KR102189695B1 - Endoscope apparatus - Google Patents

Abstract

The present invention relates to an endoscope device, and is formed to extend in a longitudinal direction, a retractor portion having a concave cross-sectional shape to the other side to form a surgical field into which a surgical instrument can be inserted on one side, and formed on the retractor portion, the endoscope It includes an endoscope channel portion to be installed, a fluid supply channel portion formed on the retractor portion and supplied with fluid for photographing the endoscope, and a traction handle portion connected to the retractor portion and formed to extend in the transverse direction. It features.

Description

Endoscopy device {ENDOSCOPE APPARATUS}

The present invention relates to an endoscopic apparatus, and more particularly, to an endoscopic apparatus, and more particularly, to an endoscopic apparatus for performing surgery while monitoring a surgical site in the body.

In general, in performing open surgery, the skin is cut to secure the entry of the surgical tool into the body and the field of view, and the skin is maintained in an open state using a fixing device such as a retractor. While the surgical field is secured by these fixing devices, surgery is being performed using the naked eye or a microscope, but only the two-dimensional shape can be confirmed, so the three-dimensional structure of the surgical site or the condition of the deeply located place can be accurately compared with the endoscopic image. There is a limit in that it is difficult to check.

The background technology of the present invention is disclosed in Korean Patent Registration No. 0244937 (registered on November 24, 1999, title of the invention: traction device for abdominal surgery).

An object of the present invention is to provide an endoscopy device capable of accurately confirming the shape and state of a surgical site while securing a surgical field through which the surgical tool can be entered while passing through the skin and inserted into the body.

The endoscopic apparatus according to the present invention includes a retractor unit formed to extend in a longitudinal direction and having a concave cross-sectional shape to the other side to form a surgical field into which a surgical instrument can be inserted; An endoscope channel portion formed on the retractor portion and in which an endoscope is installed; A fluid supply channel portion formed on the retractor portion and supplied with a fluid for photographing the endoscope; And a traction handle connected to the retractor and formed to extend in a transverse direction.

The retractor unit may include a traction body unit formed to extend in a longitudinal direction, the endoscope channel unit and the fluid supply channel unit being formed; A surgical field securing unit formed on one side of the traction body and concave to the other side; And a field formation opening portion formed to be open to one side of the surgical field securing portion, and in which the surgical field is formed.

The retractor unit is formed to be convex to the other side of the other side of the traction body, and a slim forming unit forming a cross-sectional shape of an arc shape or a crescent shape together with the surgical field securing unit; characterized in that it further comprises.

The retractor unit further comprises a traction aid formed to be bent in a transverse direction at an end of the traction body.

The retractor unit may include a first retractor unit detachably assembled to the traction handle unit; And a second retractor unit having a length longer than that of the first retractor unit and detachably assembled to the traction handle unit.

The present invention is characterized in that it further comprises a; retractor assembly portion formed at the end of the traction handle, the retractor assembly detachably assembled.

The retractor assembly unit includes: an assembly protrusion formed on the traction handle to protrude toward the retractor unit; An assembly groove portion formed to be recessed on the retractor portion and into which the assembly protrusion portion is inserted; And a fastening member that penetrates the assembly protrusion and is fastened to the retractor.

The traction handle portion, a transverse extension portion formed to extend in the transverse direction; A gripping portion coupled to one end of the lateral extension portion and having a shape capable of being gripped by hand; A bending connection part coupled to the other end of the transverse extension part, having a shape bent in a longitudinal direction in a transverse direction, and having an end connected to the retractor part; An endoscope installation portion provided with a contact portion with the endoscope, continuously formed on the lateral extension portion and the bend connection portion, and communicating with the endoscope channel portion; And a fluid control flow path part which forms a flow path through which fluid can flow, is continuously formed on the lateral extension part and the bend connection part, and communicates with the fluid supply channel part.

The bend connection part may include a bend body part formed to be bent between the lateral extension part and the retractor part; And a bend cover portion detachably coupled to the bend body portion and having a bending guide portion through which the endoscope passes through the bend body portion.

The endoscope installation portion, a seating guide portion formed concave above the transverse extension portion, extending along the longitudinal direction of the transverse extension portion; And a bending guide part formed on the bend connection part in communication with the seating guide part, extending along an extension direction of the bend connection part, and communicating with the endoscope channel part.

The fluid control flow path part includes a pipe connection part disposed on the lateral extension part by having a tube connection part connecting the water supply tube and the drain tube, and forming an entry/exit flow path part through which the fluid flows in communication with the tube connection part; And a bend passage part formed on the bend connection part to communicate with the entry/exit passage part, extends along an extension direction of the bend connection part, and communicates with the fluid supply channel part.

The retractor portion is formed to be bent in the transverse direction at the end of the traction body portion, and a bending extension portion connected to the traction handle portion; characterized in that it further comprises.

The retractor assembly unit may include an arm connection unit formed on the traction handle and having a female thread; A male connection portion formed on the retractor portion and having a male screw portion screwed to the female connection portion; And an elastic pressure welding slit portion having a slit shape crossing the end of the male connection portion and dividing the male connection portion into a plurality of spaced apart from each other.

The retractor portion is formed to be recessed on the bend extension portion, and a guide groove portion for guiding the endoscope extending from the traction handle portion toward the traction body portion to the endoscope channel portion; characterized in that it further comprises.

The guide groove is characterized in that it extends obliquely downward from the upper portion of the bending extension to the endoscope channel portion.

The retractor unit further comprises a pipe connection pipe portion having a pipe shape having a flow path formed therein, and coupled to an end portion of the traction body portion in communication with the fluid supply channel portion.

A channel connection pipe portion coupled to the fluid supply channel portion on the traction body portion in communication with the fluid supply channel portion; A bent pipe portion formed in communication with the channel connection pipe portion and having a shape bent in a transverse direction in parallel with the bend extension portion; And a tube connecting pipe portion formed at an end of the bent pipe portion and connecting the water supply tube and the drain tube.

The traction handle portion, a transverse extension portion formed to extend in the transverse direction; A gripping portion coupled to the lateral extension portion and having a shape capable of being gripped by hand; And an endoscope holding unit coupled to the lateral extension unit and on which the endoscope is seated or held.

The endoscope holding unit may include a coupling ring that is fitted around the lateral extension and is moved along the extending direction of the lateral extension or rotated with respect to the lateral extension; And a holding ring portion having a ring shape capable of holding the endoscope, connected to the coupling ring portion, and having an opening portion into which the endoscope can be inserted.

The endoscopic apparatus according to the present invention can form a surgical field into which a surgical instrument can be inserted on one side of the retractor while the retractor is inserted into the body through an incision in the skin, and through an endoscope channel portion formed on the retractor. The surgical site in the body can be monitored using an endoscope.

The present invention provides a traction force that pulls the skin in a desired direction while freely moving or tilting the retractor unit in a desired position and direction while holding the traction handle unit with one hand, or an obstacle in the body that covers the surgical site Can be overtaken, and with the other hand, surgical instruments can be inserted into the body to treat the surgical site.

In addition, the present invention, the process of performing the surgery as described above can be safely made while monitoring the state of the body by an endoscope, and can be made by forming one incision to the extent that the retractor can be inserted into the skin. The size and number of wealth can be further reduced.

In addition, according to the present invention, as an open surgical field is formed on one side of the retractor, which is not blocked by a separate fixing tool, etc., the angle of the surgical instrument can be moved more freely using the elasticity and elasticity of the skin, Accordingly, it is possible to substantially expand the range of the surgical field, and to prevent damage to the muscles caused by continuing the state of opening the skin to a preset width.

1 is a perspective view schematically showing an endoscope apparatus according to a first embodiment of the present invention.
2 is a front view schematically showing an endoscope apparatus according to a first embodiment of the present invention.
3 is a conceptual diagram illustrating a surgical field formed by the endoscope apparatus according to the first embodiment of the present invention on the sectional view A-A' of FIG. 2.
4 is a plan view schematically showing an endoscope apparatus according to a first embodiment of the present invention.
5 is a bottom view schematically showing an endoscope apparatus according to a first embodiment of the present invention.
6 is an exploded perspective view of a main part schematically showing an endoscope apparatus according to a first embodiment of the present invention.
7 is a perspective view of a main part schematically showing an endoscope apparatus according to a first embodiment of the present invention.
8 is a perspective view schematically showing an endoscope device according to a second embodiment of the present invention.
9 is a front view schematically showing an endoscope apparatus according to a second embodiment of the present invention.
FIG. 10 is a conceptual diagram illustrating a surgical field formed by an endoscopic apparatus according to a second embodiment of the present invention on a cross-sectional view B-B' of FIG. 9.
11 is a side view schematically showing an endoscope apparatus according to a second embodiment of the present invention.
12 is a cross-sectional view of a main part CC′ of FIG. 11.
13 is a cross-sectional view of a main portion DD′ of FIG. 9.

Hereinafter, embodiments of an endoscope apparatus according to the present invention will be described with reference to the accompanying drawings. In this process, thicknesses of lines or sizes of components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described later are terms defined in consideration of functions in the present invention, and may vary according to the intention or custom of users or operators. Therefore, definitions of these terms should be made based on the contents throughout the present specification.

1 is a perspective view schematically showing an endoscope apparatus according to a first embodiment of the present invention, FIG. 2 is a front view schematically showing an endoscope apparatus according to a first embodiment of the present invention, and FIG. 3 is A conceptual diagram illustrating a surgical field formed by the endoscope device according to the first embodiment of the present invention on a cross-sectional view A-A'.

1 to 3, the endoscope device 1 according to the first embodiment of the present invention includes a retractor unit 10, an endoscope channel unit 20, a fluid supply channel unit 30, and a traction handle unit ( 40), including a retractor assembly (50).

The retractor unit 10 is a device unit that penetrates the skin and is inserted into the body, and has a concave cross-sectional shape and is formed to extend in a longitudinal direction (up and down directions in FIG. 2 ). As the retractor unit 10 has a concave cross-sectional shape, a surgical field 2 into which the surgical instrument 3 can be inserted is formed in the concave inner side and the open side.

The endoscope channel unit 20 is a device unit in which an endoscope 4 is installed for photographing a surgical site in the body, is formed to be hollow inside the retractor unit 10, and is formed along the extension direction of the retractor unit 10. It is formed to be extended. The endoscope 4 has a structure that can be bent to be flexible, and extends from the side of the traction handle 40 to the lower portion of the retractor unit 10 through the inside of the endoscope channel unit 20, The surgical site will be photographed.

The fluid supply channel unit 30 is a device unit that supplies a fluid (for example, a saline) for photographing the endoscope 4, and is formed to be hollow inside the retractor unit 10, and It is formed in parallel with the endoscope channel portion 20 along the extending direction of the portion 10. In the fluid supply channel unit 30, a pair of a line for supplying a fluid and a line for discharging the fluid are disposed with the endoscope channel unit 20 interposed therebetween.

The traction grip unit 40 is a device unit for applying a traction force to the retractor unit 10 by a surgical operator such as an operating surgeon, and is connected to the upper end of the retractor unit 10 to be located outside the body, and in the transverse direction (Fig. 2). It is formed to extend in the left and right directions from above The operator of the surgery can freely adjust the position or direction of the retractor unit 10 by pulling or pushing the traction handle unit 40 while holding it.

There are differences in the shape, size, and location of body tissues for each person, and it is preferable that the retractor unit 10 has various shapes to effectively push or pull the skin or obstacles in the body under various conditions. For example, the retractor unit 10 has a first retractor unit 10A having a set length (eg, 105 mm) and a length longer than the first retractor unit 10A (eg, 141 mm) A plurality of pieces including the second retractor unit 10B having a may be provided (see FIG. 6 ).

The retractor assembly unit 50 is a device unit for selectively applying a plurality of retractor units 10 having various lengths and shapes as described above, and the retractor unit 10 is attached to and detached from the end of the traction handle unit 40. It has a structure that can be assembled as possible. If necessary, the first retractor unit 10A can be assembled and fixed to the traction handle 40 by using the retractor assembly unit 50, and when replacing, the first retractor unit 10A can be replaced with the traction handle unit 40 After separation and separation from), the second retractor unit 10B can be assembled and fixed to the traction handle unit 40.

1 to 3, the retractor unit 10 according to the first embodiment of the present invention includes a traction body part 11, a surgical field securing part 12, a field formation opening part 13, and a slim forming part. (14), including a traction aid (15). In the following description of the surgical field securing unit 12, the field formation opening unit 13, the slim forming unit 14, and the traction assist unit 15, the direction will be set based on FIG. 3 for convenience.

The traction body part 11 is a part forming the basic frame of the retractor part 10 and is formed to extend in the longitudinal direction. On the traction body 11, an endoscope channel portion 20 and a pair of fluid supply channel portions 30 are formed to be hollow. The traction body 11 penetrates the skin and is inserted into the body to provide a traction force that pulls the skin in a desired direction, and can overcome obstacles in the body that cover the surgical site using the lower part inserted into the body.

The surgical field securing unit 12 is a device for forming the surgical field 2 on the left side of the traction body 11 and is formed concave to the right on the left side of the traction body 11. The field formation opening 13 is a portion in which the surgical field 2 is formed, and is formed to be opened to the left on the left side of the surgical field securing portion 12. The surgical field 2 is formed over the inner part of the surgical field securing part 12 and the field forming opening 13.

The surgeon may freely move or tilt the retractor unit 10 to a desired position and direction while holding the traction handle 40 with one hand. This process can be safely performed while monitoring the state of the body through the endoscope (4). The surgeon can insert the surgical instrument 3 into the body and treat the surgical site through the surgical field 2 formed to be opened to the left on the left side of the retractor unit 10 with the other hand.

Here, that the surgical field 2 is formed to be open means that it is not blocked by a separate fixing tool. That is, a separate fixing tool for maintaining the open state of the skin formally is omitted, and by forming the surgical field securing unit 12 in an open form, there is no need to continuously maintain the state in which the skin is opened to a set width. Muscle damage can be minimized.

In addition, while looking at the endoscope 4, the angle of the surgical instrument 3 can be moved more freely using the elasticity and elasticity of the skin, so that the surgical field in the body can be reached by the surgical instrument 3 than it is seen from the outside. (2) is significantly wider, and it is possible to insert a larger surgical instrument (3).

The slim forming part 14 is a device part for further reducing the size of the incision part of the skin in forming the surgical field 2 of the same size, and is formed to be convex to the right on the right side of the traction body 11, and the surgical field Together with the securing portion 12, it forms a cross-sectional shape of an arc shape or a crescent shape.

Compared to the case where the upper and lower ends of the surgical field securing unit 12 and the slim forming unit 14 are directly in contact with each other, compared to the case where the upper and lower ends of the surgical field securing unit 12 and the slim forming unit 14 are spaced apart from each other, yes For example, compared to the case where the upper, lower, and middle portions of the traction body 11 have a certain width, the size of the incision of the skin may be further reduced in forming the surgical field 2 of the same size.

In addition, in Figure 3, the middle portion of the traction body 11 is formed thicker than other portions, so that the endoscope channel portion 20 can be stably formed with a set diameter (for example, 2mm to 4mm), and the endoscope channel portion It is possible to stably form a pair of fluid supply channel portions 30 with a smaller diameter on the upper side and the lower side thereof centering on (20).

The traction aid 15 is formed to be bent in the extending direction (right side in FIG. 3) of the traction handle 40 at the lower end of the traction body 11. By forming the traction aid 15 at the lower end of the traction body 11, by pulling the traction grip 40, the traction body 11 simply removes the skin or obstacles in the body of the traction grip 40. In addition to moving in the extension direction, it is possible to push or pull the obstacle in the desired direction by using the traction aid 15, and access to the narrow gap becomes easier.

4 is a plan view schematically showing an endoscope apparatus according to a first embodiment of the present invention, FIG. 5 is a bottom view schematically showing an endoscope apparatus according to a first embodiment of the present invention, and FIG. 6 is the present invention It is an exploded perspective view schematically showing a main part of the endoscope device according to the first embodiment of the present invention, and FIG. 7 is a perspective view of the main part schematically showing the endoscope device according to the first embodiment of the present invention.

4 to 6, the traction handle part 40 according to the first embodiment of the present invention includes a lateral extension part 41, a gripping part 42, a bending connection part 43, an endoscope installation part 46 , It includes a fluid control flow passage portion (47).

The transverse extension part 41 is a device part forming the main frame of the traction handle part 40 and is formed to extend in the transverse direction. The transverse extension 41 has a width enough to support and guide the endoscope 4 in order to realize a more lightweight.

The gripping part 42 has a shape that can be gripped by hand, and is coupled to the right end of the transverse extension part 41. The gripping portion 42 has a cross-sectional shape that is larger than the lateral extension portion 41 so that the palm and fingers can stably contact each other. An uneven portion for preventing slipping is formed on the gripping portion 42.

The bend connection part 43 has a shape that is bent in the longitudinal direction from the transverse direction, that is, has a shape that is curved in a'b' shape, is coupled to the left end of the transverse extension part 41, and the lower part is a retractor part It is connected with (10). Referring to FIGS. 5 and 6, the bending connector 43 according to the first embodiment of the present invention includes a bending body portion 44 and a bending cover portion 45.

The bending body portion 44 is a device that forms the main frame of the bending connection portion 43, has a shape that is bent downward, and is disposed between the lateral extension portion 41 and the retractor portion 10. The upper end of the bend body part 44 is connected to the lateral extension part 41, and the lower end of the bend body part 44 is connected to the retractor part 10.

The bend cover part 45 is a device that is detachably coupled to the bend cover part 45 to open the inside of the bend connection part 43, and has a shape corresponding to the inner part of the bend body part 44, and It is formed to extend along the extending direction of the portion 44. Between the bend body part 44 and the bend cover part 45, a bend guide part 462 through which the endoscope 4 can pass, and a bend passage part 474 through which a fluid can pass are formed.

When the bend cover part 45 is separated from the bend body part 44, the bend guide part 462 is opened. In this way, the endoscope 4 can be easily inserted and installed on the bent guide portion 462 extending in a bent shape while the bent guide portion 462 is opened. In addition, when the bend cover part 45 is separated from the bend body part 44, the bend passage part 474 is opened together, and accordingly, the internal state of the bend passage part 474 extending in a bent shape is easily checked. , Can be washed.

The endoscope installation part 46 is a device part in which the endoscope 4 is installed, and is continuously formed on the lateral extension part 41 and the bend connection part 43 by having a contact part with the endoscope 4, and the retractor part It communicates with the endoscope channel portion 20 formed in the inside of (10). 6 and 7, the endoscope installation part 46 according to the first embodiment of the present invention includes a seating guide 461 and a bending guide 462.

The seating guide portion 461 is a device portion in which the endoscope 4 is seated or held, and is formed concave above the transverse extension part 41 and the gripping part 42, and the transverse extension part 41 and the gripping part 42 It extends continuously along the longitudinal direction of ). The bending guide portion 462 is formed to extend along the extension direction of the bending connection portion 43 in the interior of the bending connection portion 43, more specifically between the bending body portion 44 and the bending cover portion 45 , The upper part is in communication with the seating guide part 461, and the lower part is in communication with the fluid supply channel part 30.

The endoscope 4 has a structure that can be flexibly bent, and is horizontal from the gripping part 42 side located at the end of the traction handle 40 to the bend connection part 43 side while being seated on the seating guide part 461 It extends, and is drawn into the bend guide part 462 formed inside the bend connection part 43 at the boundary between the lateral extension part 41 and the bend connection part 43, and extends bent downward along the bend guide part 462 , It extends to the lower part of the retractor part 10 through the inside of the endoscope channel part 20, so that the surgical site in the body is photographed.

The fluid control flow path part 47 is a device that forms a flow path through which fluid is supplied and discharged, and forms a flow path through which fluid can continuously flow inside the transverse extension part 41 and the bend connection part 43, and a fluid supply channel It communicates with the part 30. 6 and 7, the fluid control passage part 47 according to the first embodiment of the present invention includes a pipe connection part 471 and a bending passage part 474.

The pipe connection part 471 has a tube connection part 472 to which the water supply tube 5 and the drain tube 6 are connected and is disposed on the lateral extension part 41 (see FIG. 4). The pipe connection part 471 according to the first embodiment of the present invention is disposed at a left end of the lateral extension part 41 in contact with the bend connection part 43, and the left part thereof is connected to the bend connection part 43.

In the inside of the pipe connection part 471, an entry/exit passage part 473 through which a fluid can flow is formed to communicate with the tube connection part 472. The entry/exit flow path part 473 is connected to be in communication with the water supply tube 5 and forms a line for supplying fluid, and is connected to be in communication with the drain tube 6 and forms a line for discharging the fluid. A pair is arranged spaced apart from each other.

The bending flow path part 474 is inside the bend connection part 43, and more specifically, along the extension direction of the bend connection part 43 between the bend body part 44 and the bend cover part 45. It is formed to extend, the upper part is in communication with the pair of entry and exit passage portions 473, and the lower portion is in communication with the pair of fluid supply channel portions (30).

Referring to FIG. 6, the retractor assembly unit 50 according to the first embodiment of the present invention includes an assembly protrusion 51, an assembly groove 52, and a fastening member 53.

The assembly protrusion 51 is formed to protrude downward toward the retractor 10 on the lower end of the bend connection 43. The assembly groove 52 is formed to be recessed in a shape corresponding to the assembly protrusion 51 at the upper end of the retractor portion 10. The assembly protrusion 51 is provided with a pair in which a pair is spaced apart from each other, and an assembly groove 52 is also formed with a pair corresponding thereto.

In a state in which the bend connection 43 and the retractor 10 are interconnected, the assembly protrusion 51 is inserted into the assembly groove 52. By engaging the assembly protrusion 51 and the assembly groove 52 having a shape corresponding to each other as described above, the assembly between the bend connection portion 43 and the retractor portion 10 can be reliably performed in the correct position and in the forward direction. .

The fastening member 53 passes through the assembly protrusion 51 in the transverse direction, and is fastened and fixed to the retractor unit 10. A bolt member may be used as the fastening member 53, and the first retractor unit 10A and the second retractor unit 10B are subjected to a process of fastening or releasing the fastening member 53 to the retractor unit 10. ) It is possible to selectively apply one suitable for surgery among the plurality of retractor units 10 including.

Next, with reference to FIGS. 8 to 13, an endoscope apparatus 1 according to a second embodiment of the present invention will be described. In the following description of the second embodiment of the present invention with reference to FIGS. 8 to 13, the same, similar or similar to the endoscope apparatus 1 according to the first embodiment of the present invention shown in FIGS. 1 to 7 For those having corresponding configurations such as, symmetry, inversion, etc., overlapping descriptions thereof will be omitted.

8 is a perspective view schematically showing an endoscope apparatus according to a second embodiment of the present invention, FIG. 9 is a front view schematically showing an endoscope apparatus according to a second embodiment of the present invention, and FIG. 10 is B-B' is a conceptual diagram illustrating a surgical field formed by an endoscope device according to a second embodiment of the present invention on a cross-sectional view.

8 to 10, the retractor unit 10 according to the second embodiment of the present invention includes a traction body unit 11, a surgical field securing unit 12, a field formation opening unit 13, and a slim forming unit. (14), including a traction aid (15), a bending extension (16), a guide groove (17), a pipe connection pipe (18).

Retractor unit 10 according to the first embodiment of the present invention for the traction body 11, the surgical field securing unit 12, the field formation opening unit 13, the slim forming unit 14, and the traction assist unit 15 ), the description is omitted.

The bending extension part 16 is a device part for connecting the traction body part 11 extending in the longitudinal direction and the traction handle part 40 extending in the transverse direction, and has a shape bent in the transverse direction in the longitudinal direction, that is, ' It has a curved shape of a'shape, is coupled to the upper portion of the traction body part 11, and is connected to the traction handle part 40 through the retractor assembly part 50.

FIG. 11 is a side view schematically showing an endoscope apparatus according to a second embodiment of the present invention, FIG. 12 is a cross-sectional view of a main portion C-C' of FIG. 11, and FIG. 13 is a cross-sectional view of a major portion D-D' of FIG. 9.

The guide groove 17 is a device that guides the endoscope 4 extending from the traction handle 40 toward the traction body 11 to the endoscope channel 20, and is formed to be recessed on the bending extension 16 do. 8, 11, and 12, the guide groove 17 according to the second embodiment of the present invention extends downwardly inclined from the upper portion of the bend extension portion 16 to the upper end portion of the endoscope channel portion 20. The upper end of the endoscope channel part 20 is opened to the outside by the guide groove part 17 having this shape, and the endoscope 4 can easily enter the endoscope channel part 20 through the open upper end. have.

The endoscope 4 has a structure that can be flexibly bent, extends along the traction handle 40 toward the traction body 11, and is seated in the guide groove 17 along the guide groove 17. It reaches the upper end of the endoscope channel part 20 while being bent downward, enters the inside of the endoscope channel part 20 through the open upper end of the endoscope channel part 20, and then the traction body along the endoscope channel part 20 It extends downward to the lower portion of the part 11, so that the surgical site in the body is photographed.

The pipe connection pipe part 18 is a device part forming a flow path through which fluid is supplied and discharged, has a pipe shape with a flow path formed therein, and is coupled to the end of the traction body 11 in communication with the fluid supply channel part 30 do. 8 and 9, the pipe connection pipe part 18 according to the second embodiment of the present invention includes a channel connection pipe part 181, a bend pipe part 182, and a tube connection pipe part 183.

The channel connection pipe portion 181 is formed to extend in the longitudinal direction, and is coupled to the upper portion of the traction body 11 in communication with the fluid supply channel portion 30 and the upper portion. The bent pipe part 182 is formed to be in communication with the channel connection pipe part 181 and has a shape bent in a transverse direction in parallel with the bend extension part 16. The tube connection pipe part 183 is formed at the end of the bent pipe part 182, and the water supply tube 5 and the drain tube 6 are connected. The channel connection pipe part 181, the bent pipe part 182, and the tube connection pipe part 183 are formed in such a way that a flow path through which a fluid can flow is continuously communicated.

The piping connection pipe part 18 is connected in communication with the water supply tube 5 and forms a line for supplying fluid, and is connected in communication with the drain tube 6 and forms a line for discharging the fluid. A pair is disposed to be spaced apart from each other with the bend extension portion 16 interposed therebetween, and is connected to each other in communication with the pair of fluid supply channel portions 30.

8 and 9, the traction handle 40 according to the second embodiment of the present invention includes a lateral extension 41, a gripping part 42, and an endoscope holding part 48.

The transverse extension part 41 has a rod shape having a circular cross section and is formed to extend in the transverse direction. The gripping portion 42 has a shape that can be gripped by hand, and is coupled to an end portion of the transverse extension portion 42. The gripping portion 42 has a cross-sectional shape that is larger than the lateral extension portion 41 so that the palm and fingers can stably contact each other. An uneven portion for preventing slipping is formed on the gripping portion 42.

The endoscope holding part 48 is a device part for holding and supporting the endoscope 4 extending toward the traction body part 11 along the traction handle part 40 and is coupled on the lateral extension part 41. A plurality of endoscope holding units 48 may be coupled on the lateral extension unit 41 as necessary, and the plurality of endoscope holding units 48 may face different directions. 8 and 9, the endoscope holding unit 48 according to the second embodiment of the present invention includes a coupling ring portion 481 and a holding ring portion 482.

The engaging ring portion 481 is a device portion that is coupled to the lateral extension portion 41 and has a circular ring shape and is fitted around the lateral extension portion 41. The coupling ring portion 481 may be moved along the extending direction of the transverse extension part 41 by an external force, and may be rotated based on the transverse extension part 41 having a circular cross-sectional shape. The coupling ring portion 481 may be fitted around the lateral extension part 41 from the end of the lateral extension part 41, and may be moved to a desired position on the lateral extension part 41 by an external force.

The holding ring portion 482 is a device portion on which the endoscope 4 is mounted or held, has a ring shape capable of holding the endoscope 4, and is connected to the coupling ring portion 481. An opening portion 483 into which the endoscope 4 can be inserted is formed on the holding ring portion 482. The holding ring portion 482 may elastically contact the circumference of the endoscope 4 by the opening portion 483. Accordingly, the endoscope 4 can be stably seated and adhered to the holding ring portion 482, and it can be prevented from flowing down due to its own weight.

In addition, if the opening portion 483 is formed to have a width smaller than the width of the endoscope 4, the endoscope 4 having a flexible structure can be easily moved into and out of the holding ring portion 482 through the opening portion 483. While being movable, it is possible to prevent the endoscope 4 from being separated to the outside of the holding ring portion 482 by an arbitrary external force in the state where the endoscope 4 is inserted into the holding ring portion 482.

8, 9 and 12, the retractor assembly unit 50 according to the second embodiment of the present invention includes a female connection part 54, a male connection part 56, and an elastic pressure welding slit part 58. do.

The female connector 54 has a nut structure in which a female thread is formed in the inner diameter and is coupled to an end of the traction handle 40. The female connection part 54 has a width that is wider than the lateral extension part 41. The arm connection part 54 is coupled to the end of the lateral extension part 41 after inserting a plurality of endoscope holding parts 48 through the end of the lateral extension part 41, so that the endoscope holding part 48 is a lateral extension part ( 41) can be restrained stably so as not to deviate from the outside.

The male connection part 56 has a male thread part 57 that is screwed to the female connection part 54 and is formed at the end of the bend extension part 16. The elastic pressure welding slit portion 58 has a slit shape crossing the end of the male connection portion 56, and divides the male connection portion 56 into a plurality of spaced apart from each other.

The plurality of male connection parts 56 by the elastic pressure welding slit part 58 can be elastically reduced in space between the plurality of male connection parts, and the female connection part 54 ) Can be easily inserted into the interior of the female connector 54, and can be elastically pressed into the inner surface of the female connector 54 in a screwed state.

According to the endoscope device 1 according to the present invention having the configuration as described above, the surgical instrument 3 on one side of the retractor unit 10 in a state in which the retractor unit 10 is inserted into the body through an incision in the skin. It is possible to form an insertable surgical field (2), and through the endoscope channel unit 20 formed on the retractor unit 10, it is possible to monitor the internal surgical site using the endoscope 4.

According to the present invention, the surgeon can freely move or tilt the retractor unit 10 to the desired position and direction while holding the traction handle 40 with one hand, while providing a traction force that pulls the skin in the desired direction. Alternatively, it is possible to overcome the obstacles in the body covering the surgical site, and insert the surgical instrument 3 into the body with the other hand to treat the surgical site.

In addition, according to the present invention, the process of performing the surgery as described above can be safely performed while monitoring the state of the body by the endoscope 4, and one incision at a level capable of inserting the retractor 10 into the skin It can be made by forming, it is possible to further reduce the size and number of incisions.

In addition, according to the present invention, as an open surgical field 2 is formed on one side of the retractor 10, which is not blocked by a separate fixing tool, etc., using the elasticity and elasticity of the skin, the surgical instrument ( The angle of 3) can be moved more freely, and accordingly, the range of the surgical field 2 can be substantially expanded, and damage to the muscles can be prevented by continuing to open the existing skin to a set width have.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is only illustrative, and those of ordinary skill in the field to which the technology pertains, various modifications and other equivalent embodiments are possible. I will understand. Therefore, the true technical protection scope of the present invention should be determined by the following claims.

1: endoscopic device 2: surgical field
3: surgical instruments 4: endoscope
5: water supply tube 6: drain tube
10: retractor unit 10A: first retractor unit
10B: second retractor part 11: traction body part
12: surgical field securing unit 13: field formation opening unit
14: slim forming part 15: traction aid
16: bending extension 17: guide groove
18: piping connection pipe part 20: endoscope channel part
30: fluid supply channel portion 40: traction handle
41: transverse extension part 42: gripping part
43: bending connection portion 44: bending body portion
45: bending cover part 46: endoscope installation part
47: fluid control passage part 48: endoscope holding part
50: retractor assembly 51: assembly protrusion
52: assembly groove 53: fastening member
54: female connection 56: male connection
57: male thread part 58: elastic pressure welding slit part
181: channel connecting pipe part 182: bent pipe part
183: tube connecting pipe part 461: seating guide part
462: bending guide part 471: piping connection part
472: tube connection part 473: entry/exit passage part
474: bending passage part 481: coupling ring part
482: holding ring part 483: opening part

Claims (19)

A retractor unit formed to extend in the longitudinal direction and having a concave cross-sectional shape to the other side to form a surgical field into which a surgical instrument can be inserted;
An endoscope channel portion formed to be hollow inside the retractor portion and in which an endoscope is installed;
A fluid supply channel portion formed to be hollow inside the retractor portion and supplied with a fluid for photographing the endoscope; And
Including; a traction handle connected to the retractor portion and formed to extend in the transverse direction,
The retractor unit,
A traction body portion formed to extend in a longitudinal direction and having the endoscope channel portion and the fluid supply channel portion formed therein;
A surgical field securing unit formed on one side of the traction body and concave to the other side;
A field formation opening portion formed to be open to one side of the surgical field securing portion and in which the surgical field is formed; And
Includes; a slim forming portion formed to be convex to the other side of the other side of the traction body,
The surgical field securing unit and the slim forming unit, when forming the surgical field of the same size, so that the size of the cutout portion of the skin is reduced compared to that the ends of the surgical field securing unit and the slim forming unit are spaced apart from each other. It is connected by contact, and forms a cross-sectional shape of a crescent moon shape together so that the middle part of the traction body is formed thicker than the end,
The endoscope channel portion is formed to be hollow in the middle portion of the traction body,
The fluid supply channel portion has a diameter smaller than that of the endoscope channel portion, and is formed to be hollow at an end of the endoscope channel portion.
delete delete The method of claim 1,
The retractor unit,
Endoscopy apparatus further comprising a; a traction aid formed to be bent in the transverse direction at the end of the traction body.
The method of claim 1,
The retractor unit,
A first retractor unit detachably assembled to the traction handle; And
And a second retractor unit having a length longer than the first retractor unit and detachably assembled to the traction handle unit.
The method of claim 1 or 5,
And a retractor assembly unit formed at an end portion of the traction handle and detachably assembling the retractor unit.
The method of claim 6,
The retractor assembly unit,
An assembly protrusion formed on the traction handle to protrude toward the retractor;
An assembly groove portion formed to be recessed on the retractor portion and into which the assembly protrusion portion is inserted; And
And a fastening member that passes through the assembly protrusion and is fastened to the retractor.
The method of claim 1,
The traction handle part,
A transverse extension portion formed to extend in the transverse direction;
A gripping portion coupled to one end of the lateral extension and having a shape capable of being gripped by hand;
A bending connection part coupled to the other end of the transverse extension part, having a shape bent in a longitudinal direction in a transverse direction, and having an end connected to the retractor part;
An endoscope installation portion provided with a contact portion with the endoscope, continuously formed on the lateral extension portion and the bend connection portion, and communicating with the endoscope channel portion; And
And a fluid control passage part which forms a flow path through which fluid can flow, is continuously formed on the lateral extension part and the bend connection part, and communicates with the fluid supply channel part.
The method of claim 8,
The bending connection part,
A bent body portion formed to be bent between the lateral extension portion and the retractor portion; And
And a bend cover portion detachably coupled to the bend body portion and having a bending guide portion through which the endoscope passes through the bent body portion.
The method of claim 8,
The endoscope installation unit,
A seating guide portion formed concave above the lateral extension portion and extending along a longitudinal direction of the lateral extension portion; And
And a bend guide part formed on the bend connection part to communicate with the seating guide part, extends along an extension direction of the bend connection part, and communicates with the endoscope channel part.
The method of claim 8,
The fluid control passage part,
A pipe connection portion having a tube connection portion connecting the water supply tube and the drainage tube, disposed on the lateral extension portion, and forming an entry/exit passage portion through which a fluid flows in communication with the tube connection portion; And
And a bend passage part formed on the bend connection part to be in communication with the entry/exit passage part, extending along an extension direction of the bend connection part, and communicating with the fluid supply channel part.
The method of claim 1,
The retractor unit,
And a bend extension part formed to be bent in the transverse direction at the end of the traction body part and connected to the traction handle part.
The method of claim 6,
The retractor assembly unit,
An arm connection part formed on the traction handle and having a female thread;
A male connection portion formed on the retractor portion and having a male screw portion screwed to the female connection portion; And
And an elastic pressure welding slit portion having a slit shape crossing the end of the male connection portion and dividing the male connection portion into a plurality of spaced apart from each other.
The method of claim 12,
The retractor unit,
And a guide groove portion formed to be recessed on the bend extension portion and configured to guide the endoscope extending from the traction handle portion toward the traction body portion to the endoscope channel portion.
The method of claim 14,
The guide groove part,
The endoscope device, characterized in that extending obliquely downward from the upper portion of the bending extension to the endoscope channel portion.
The method of claim 12,
The retractor unit,
The endoscope apparatus further comprising: a pipe connection pipe portion having a pipe shape with a flow path formed therein, and coupled to an end portion of the traction body portion in communication with the fluid supply channel portion.
The method of claim 16,
The pipe connection pipe part,
A channel connection pipe portion coupled to the fluid supply channel portion on the traction body portion in communication with the fluid supply channel portion;
A bent pipe portion formed in communication with the channel connection pipe portion and having a shape bent in a transverse direction parallel to the bend extension portion; And
And a tube connecting pipe portion formed at an end portion of the bent pipe portion and connected to the water supply tube and the drain tube.
The method of claim 1,
The traction handle part,
A transverse extension portion formed to extend in the transverse direction;
A gripping portion coupled to the lateral extension portion and having a shape capable of being gripped by hand; And
And an endoscope holding unit coupled to the lateral extension unit and on which the endoscope is seated or held.
The method of claim 18,
The endoscope holding part,
A coupling ring part fitted around the lateral extension part and moving along the extending direction of the lateral extension part or rotating based on the lateral extension part; And
And a holding ring portion having a ring shape capable of holding the endoscope, connected to the coupling ring portion, and formed with an opening portion into which the endoscope can be inserted.

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