CN217118464U

CN217118464U - Object fetching bag

Info

Publication number: CN217118464U
Application number: CN202123436541.3U
Authority: CN
Inventors: 孙宝峰; 陆俊
Original assignee: Fengh Medical Co ltd
Current assignee: Fengh Medical Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-05
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a fetching bag. The object fetching bag comprises: a sleeve; the material bag comprises a bag wall, an inner cavity, a main bag opening, a first auxiliary interface and a second auxiliary interface, wherein the first auxiliary interface and the second auxiliary interface are arranged on the bag wall; the visual instrument channel structure is connected with the first auxiliary interface and used for accommodating a visual instrument to observe the inner cavity of the material bag; the auxiliary instrument is arranged in the inner cavity of the material bag and connected with the second auxiliary interface, and the auxiliary instrument can be driven to perform grabbing and releasing actions; the material bag has the state of accomodating and expandes the state, and under the state of accomodating, the material bag is folded and is accomodate in telescopic inside, and visual apparatus channel structure and auxiliary instrument all arrange along telescopic axial, and when the material bag switched into the state of expandeing by the state of accomodating, the material bag shifted out and expandes in following the sleeve, has solved among the prior art and has assisted the kneck and set up the inconvenient problem of material bag accomodating when apparatus.

Description

Object fetching bag

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a get thing bag.

Background

The bag is a product matched with an operating instrument under the laparoscope and is used for taking a biopsy sample out of an operation area during the laparoscopic operation. The access pouch typically includes a sleeve and a material pouch that is received within the sleeve and removed from the sleeve and deployed to contain the biopsy sample after entering the body.

In the traditional material bag, instruments or parts are not arranged at the auxiliary interface, and when the traditional material bag is folded in the sleeve, the occupation of the instruments at the auxiliary interface on the space is not required to be considered. To some material bags that are provided with apparatus or parts at supplementary kneck, traditional material bag sets up the structure and is difficult to be suitable for, can lead to the thickness of material bag folding back to be on the large side, is difficult for accomodating in the sleeve for the material bag is accomodate inconveniently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a get thing bag, solved among the prior art supplementary kneck and accomodate inconvenient problem when setting up the apparatus material bag.

The utility model discloses a following technical scheme realizes: an access bag comprising: a sleeve; the material bag comprises a bag wall, an inner cavity, a main bag opening, a first auxiliary interface and a second auxiliary interface, wherein the first auxiliary interface and the second auxiliary interface are arranged on the bag wall; the visual instrument channel structure is connected with the first auxiliary interface and used for accommodating a visual instrument to observe an inner cavity of the material bag; the auxiliary instrument is arranged in the inner cavity of the material bag and connected with the second auxiliary interface, and the auxiliary instrument can be driven to perform grabbing and releasing actions; the material bag has the state of accomodating and expandes the state, and under the state of accomodating, the material bag is folded and is accomodate in telescopic inside, and visual apparatus channel structure and auxiliary instrument all arrange along telescopic axial, and when the material bag switched into the state of expandeing by the state of accomodating, the material bag shifted out and expanded in following the sleeve.

Furthermore, the first auxiliary interface at least partially protrudes from the surrounding bag wall, and the second auxiliary interface at least partially protrudes from the surrounding bag wall.

Further, in the storage state, the visual instrument channel structure and the auxiliary instrument are coaxially arranged.

Further, at least a portion of the visualization instrument channel structure is a hard material.

Further, at least a portion of the visualization instrument channel structure is a transparent material.

Furthermore, the fetching bag further comprises an operating rod, and the operating rod is movably arranged inside the sleeve and used for pushing the material bag out of the sleeve.

Furthermore, the distal end of action bars has two bracers, and two bracers all are connected with action bars pivotally, and main sack is connected with two bracers detachably.

Furthermore, the object obtaining bag further comprises an elastic piece, wherein the elastic piece is arranged between the two supporting arms and used for driving the two supporting arms to be opened after the material bag is pushed out of the sleeve, so that the material bag is unfolded.

Further, both arms are made of an elastic material.

Further, the first auxiliary port and the second auxiliary port are symmetrically arranged relative to the main pocket.

Compared with the prior art, the beneficial effects of the utility model reside in that: through set up main sack on the material bag, first supplementary interface, the supplementary interface of second, visual apparatus channel structure and auxiliary instrument, visual apparatus channel structure is used for the inner chamber of holding visual apparatus in order to observe the material bag, auxiliary instrument sets up in the inner chamber of material bag and with the supplementary interface connection of second, under the state of accomodating, the material bag is folding to be accomodate in telescopic inside, and visual apparatus channel structure and auxiliary instrument all arrange along telescopic axial, can not increase the size after the material bag is folding like this, size after the material bag is folding can with telescopic internal diameter looks adaptation, telescopic space has been practiced thrift, telescopic size has been reduced, the accomodating and the expansion of material bag have been made things convenient for greatly.

Drawings

Fig. 1 is a schematic structural view of a bag in a storage state according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the bag with the sleeve removed in the storage state according to the embodiment of the present invention;

fig. 3 is a cross-sectional view of the bag in the storage state according to the embodiment of the present invention;

fig. 4 is a schematic structural view of the bag in the unfolded state according to the embodiment of the present invention;

fig. 5 is a schematic structural view of the object-taking bag with the main bag port extending out of the body in the use state of the utility model;

figure 6 is an exploded view of the access bag shown in figure 5;

FIG. 7 is a schematic view of the access bag attachment clamp mechanism shown in FIG. 5;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

FIG. 9 is a schematic view of the operative components of the clamping mechanism of FIG. 7;

fig. 10 is a partial enlarged view at B in fig. 9;

fig. 11 is a partial enlarged view at C in fig. 9.

Wherein the figures include the following reference numerals:

10. a sleeve; 20. a material bag; 201. a bag wall; 202. an inner cavity; 21. a main bag opening; 22. a first auxiliary interface; 23. a second auxiliary interface; 230. a positioning member; 232. a second inner bore; 234. a moving member; 236. a first link; 238. a second link; 239. a seal member; 24. visualizing an instrument channel structure; 26. a first inner bore; 30. an operating lever; 40. a brace arm; 50. a handle; 60. an auxiliary instrument; 601. a first jaw; 602. a second jaw; 70. an operating component; 701. fixing a handle; 702. a movable handle; 703. a circumferential groove; 721. an outer sleeve; 722. an operating lever; 725. a stopper portion; 726. An operation unit; 80. a knob; 82. and a connecting projection.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be understood that the terms "proximal" and "distal" are used herein with respect to the clinician manipulating the access bag. The term "proximal" refers to the portion that is closer to the clinician, while the term "distal" refers to the portion that is further from the clinician. I.e., proximal to the handle 50 and distal to the arm 40. However, the retrieval bag may be used in many orientations and positions, and thus these terms expressing relative positional relationships are not intended to be limiting and absolute.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "connecting" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a movable connection, or an integral part; either directly or indirectly through intervening media, either internally or in any other relationship, such as abutment. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. It is to be noted that, when a definite term is used before "connected" or "connected", it has the meaning defined by the corresponding definite term, only excluding the case where it is obviously necessary to exclude, and not excluding other possible cases, for example, "detachably connected" means detachably connected, not integrally included, but movable connected, etc. are not excluded.

Referring to fig. 1 to 2 and 5, the present embodiment provides an article taking bag, which includes a sleeve 10 and a material bag 20. The material bag 20 comprises a bag wall 201, an inner cavity 202, and a main bag opening 21, a first auxiliary interface 22 and a second auxiliary interface 23 which are arranged at intervals. First auxiliary interface 22 is connected to a visualization instrument channel structure 24, visualization instrument channel structure 24 being configured to receive a visualization instrument, which may be an endoscope, for viewing the lumen of material bag 20. The second auxiliary interface 23 is connected to an auxiliary instrument 60 disposed in the inner cavity of the material bag 20, and the auxiliary instrument 60 can be operated to act on the tissue in the material bag 20. The bag 20 has a storage state and an unfolded state. In the storage state, the material bag 20 is folded and stored inside the sleeve 10, and the visualization instrument channel structure 24 and the auxiliary instrument 60 are arranged along the axial direction of the sleeve 10. When the bag is switched from the storage state to the unfolding state, the material bag 20 is moved out of the sleeve 10 and unfolded.

In order to avoid the problem that the mouth of the material bag 20 may be contaminated and further other tissues may be contaminated when the auxiliary instrument 60 is taken out, the auxiliary instrument 60 of the present application is fixed on the inner side of the material bag 20 through the second auxiliary interface 23, so that the step of taking out is omitted, and the problem that the tumor tissue fluid pollutes the mouth of the bag and is diffused when the auxiliary instrument 60 is taken out is solved, and the auxiliary instrument may be a clamp. In addition, a first auxiliary interface 22 is provided on the bag wall 201 of the material bag 20, and the first auxiliary interface 22 is connected to the visualization instrument channel structure 24 for inserting a visualization instrument, such as an endoscope or the like, so as to help an operator control the auxiliary instrument 60 to grasp a tissue object with the aid of the visualization instrument. In the whole operation process, only the main bag opening 21 of the object-taking bag needs to be pulled out of the body in the operation process, and the visual instrument is not polluted after rotary cutting of the tumor, so that the visual instrument cannot pollute the first auxiliary interface 22 and other tissue organs when being pulled out, and in addition, the auxiliary instrument 60 is arranged in the material bag 20 and does not need to be pulled out, so that the second auxiliary interface 23 and other tissue organs cannot be polluted

In this embodiment, the aperture of the main bag mouth 21 is larger than the apertures of the first auxiliary interface 22 and the second auxiliary interface 23.

In the present embodiment, the first auxiliary port 22 and the second auxiliary port 23 each protrude at least partially from the bag wall 201 of the material bag 20 around them. Further, the first auxiliary port 22 and the second auxiliary port 23 protrude at least partially from the proximal end and the distal end of the folded material bag 20, respectively. Specifically, the first auxiliary port 22 and the second auxiliary port 23 are both formed by outwardly protruding and extending the bag wall 201 of the material bag 20, and the extending ends are open. When material bag 20 is accomodate in sleeve 10 like this, two supplementary interfaces can not repeat the stack with other positions of material bag 20 but outwards bulge along the axial separately to do not increase the thickness after material bag 20 is folding, made things convenient for accomodating and the expansion of material bag greatly.

In this embodiment, the first and second

auxiliary interfaces

22 and 23 are symmetrically disposed with respect to the primary pocket 21. No matter in the state of accomodating or in the state of expanding, first supplementary interface 22 and second supplementary interface 23 all set up for main sack 21 symmetry, like this under the state of accomodating, the part that two supplementary interfaces bulge in material bag 20 can not overlap with the other positions of material bag 20 repeatedly, and make things convenient for the setting of the apparatus of first supplementary interface 22 department. In addition, in the unfolding state, the two auxiliary interfaces have enough space, so that instruments at the two auxiliary interfaces can be better avoided.

Referring to fig. 3, in the accommodated state, the channel structure 24 of the visualization instrument and the auxiliary instrument 60 are coaxially disposed. This can reduce the space occupied by the material bag 20 when it is stored in the sleeve 10, and facilitate the unfolding and storage of the material bag 20.

In the present embodiment, in the unfolded state, the material bag 20 is olive-shaped, as shown in fig. 4. The material bag 20 is in a shape with a large middle and small two ends, and the first auxiliary connector 22 and the second auxiliary connector 23 are both located at the position with the large middle, so that instruments at the two auxiliary connectors can be better avoided without interference.

In this embodiment, at least a portion of the visualization instrument channel structure 24 is a hard material, which can form a hard channel for passage of the visualization instrument. A visualization instrument channel structure 24 is connected to the first auxiliary interface 22 and forms a perspective channel, the visualization instrument channel structure 24 is made of transparent material, and the visualization instrument channel structure 24 separates the perspective channel from the inner cavity of the material bag 20. The visual instrument channel structure 24 is preferably a hard channel, and particularly when the top end of the rod-shaped endoscope is limited in a hard supporting cylinder, a hard and thick window is arranged in front of the hard channel structure to block the hard channel structure, so that the puncture of a specimen bag can be effectively prevented, and the visual instrument channel structure 24 and the auxiliary instrument 60 which are made of hard materials are coaxially arranged in a storage state. This can reduce the space occupied by the material bag 20 when it is housed in the sleeve 10, and facilitate the deployment and storage of the material bag 20. The coaxial arrangement here includes that the longitudinal axes of the visualization instrument channel structure 24 and the support instrument 60 are substantially coincident or substantially parallel, and when substantially parallel, the orthogonal projection in the longitudinal axis direction of the smaller cross-sectional area of the visualization instrument channel structure 24 and the support instrument 60 is located within the orthogonal projection of the larger cross-sectional area of the other.

As shown in fig. 6, the first auxiliary port 22 includes a first inner hole 26, wherein the first inner hole 26 is communicated with the inner cavity 202 of the material bag 20 through the first auxiliary port 22, and the visualization instrument channel structure 24 is connected with the first inner hole 26 in a sealing manner. Visualization instrument channel structure 24 is in close fitting engagement with first bore 26 of first auxiliary port 22, and may be bonded or otherwise secured relative thereto to form a seal.

In a specific embodiment, the visualization instrument channel structure 24 is detachably disposed in the first auxiliary interface 22, the visualization instrument channel structure 24 is cylindrical and has an open end and a closed end, the closed end is disposed toward the inner cavity 202, a visualization instrument is inserted into the visualization instrument channel structure 24 and can observe the condition in the inner cavity of the material bag 20 through the visualization instrument channel structure 24, and the visualization instrument channel structure 24 is disposed between the bottom of the first auxiliary interface 22 and the inner cavity of the material bag 20 to separate the perspective channel from the inner cavity of the material bag 20. First auxiliary port 22 is in close fitting engagement with visualization instrument channel structure 24, and may be formed by bonding or the like, so that the two are relatively fixed and form a seal. The connection between visualization instrument channel structure 24 and first auxiliary interface 22 may also be other techniques known to those skilled in the art, as long as the connection enables relative fixation between visualization instrument channel structure 24 and first auxiliary interface 22 and forms a seal with first auxiliary interface 22.

In an alternative embodiment, visualization instrument channel structure 24 is integral with material bag 20, i.e., visualization instrument channel structure 24 is formed by bag wall 201 extending toward lumen 202. At least a portion of visualization instrument channel structure 24 is a transparent material to facilitate an endoscope viewing the contents of the interior cavity of material bag 20 through visualization instrument channel structure 24. Of course, the visualization instrument channel structure 24 may be made entirely of transparent material.

Referring to fig. 1 to 4, the bag further comprises a lever 30. The operating lever 30 is movably disposed inside the sleeve 10. The distal end of the lever 30 has two support arms 40, both support arms 40 being pivotally connected to the lever 30, and the main pocket 21 being detachably connected to both support arms 40. The main bag opening 21 is detachably connected with the two supporting arms 40, that is, the two supporting arms 40 can enter into or be taken out of the channel of the main bag opening 21.

Specifically, the main bag opening 21 is provided with a channel arranged circumferentially, and the two supporting arms 40 are inserted into the channel from two ends of the channel respectively. The channel is annular, and the channel takes the proximal end of the main bag opening 21 as a starting point, circles around the main bag opening 21 once again, and then returns to the starting point, and two channel openings are formed. Both arms 40 are arc-shaped and the two arms 40 are inserted into the channels from the two channel openings, respectively, thereby supporting the main bag mouth 21 in an unfolded state.

Further, the fetching bag also comprises an elastic piece. An elastic member is disposed between the two supporting arms 40 for driving the two supporting arms 40 to pivot relative to the operation rod 30 to open respectively after the material bag 20 is pushed out of the sleeve 10, so as to unfold the material bag 20. When the bag 20 is in the storage position, the two arms 40 are also housed inside the sleeve 10 and compress the elastic element. When the material bag 20 is switched to the unfolding state from the storage state, the two supporting arms 40 gradually move towards the far end of the sleeve 10 and drive the material bag 20 to be separated from the sleeve 10, and in the process of separation from the far end of the sleeve 10, under the elastic action of the elastic part, the two supporting arms 40 gradually unfold and further drive the animal material bag 20 to unfold.

Specifically, the elastic member is a spring. Of course, the elastic member may be other types of members, and may be selected according to actual requirements.

In an alternative embodiment, the two arms 40 are made of a resilient material. In particular, the arms 40 may be resilient arms having a curved shape, such that the two arms 40 are spread apart after being detached from the distal end of the sleeve 10, thereby unfolding the animal bag 20, without providing an elastic member between the two arms 40.

Referring to fig. 1, 2 and 4, the bag further comprises a handle 50. A handle 50 is attached to the proximal end of the lever 30 for engaging the lever 30 to push the bag 20 out of the sleeve 10. The handle 50 is the operation position of the user, and after the material bag 20 enters into the human body, the user holds the handle 50 and pushes towards the far end, drives the operating rod 30 and then drives the two supporting arms 40 to move towards the far end, so that the material bag 20 moves and expands from the sleeve 10, and the material bag 20 is switched to the expansion state from the storage state.

In this embodiment, the material bag 20 is made of a flexible material. The portion of the first auxiliary interface 22 protruding from the material bag 20 is made of a hard material. This makes the portion of the first auxiliary port 22 protruding from the material bag 20 less prone to deformation, facilitating the placement of instruments therein and facilitating the insertion and removal of instruments.

In addition, a split type clamp is provided to avoid the problem that the auxiliary instrument 60 may contaminate the second auxiliary port 23 or cause other infections of the body tissue when the clamp is removed at the end of the operation. Specifically, as shown in fig. 7, the auxiliary instrument 60 is a jaw head of a split type forceps, an operation component of the split type forceps is located outside the body when not in use, and the auxiliary instrument 60 is detachably connected with the operation component 70. Thereby solved the problem that the clamp need be taken out, only set up auxiliary instrument 60 in the inner chamber of material bag 20 simultaneously, operating assembly 70 is located extracorporeally not only reduces the whole volume of material bag 20 when stuffing in the human body, and operating assembly 70 is arranged extracorporeally and still is convenient for medical personnel to operate. The operating assembly 70 is detachably connected to the auxiliary instrument 60 via the second auxiliary interface 23. Specifically, the auxiliary instrument 60 is connected to the second auxiliary interface 23, and one end of the operation member 70 is inserted into the second auxiliary interface 23 and detachably connected to the second auxiliary interface 23.

Specifically, as shown in fig. 5 to 7, the second auxiliary interface 23 includes a positioning member 230, a transmission mechanism and a second inner hole 232. The positioning element 230 is disposed inside the second inner hole 232, and the positioning element 230 is hermetically connected to the second inner hole 232, according to an embodiment, an outer side of the positioning element 230 is closely attached to an inner wall of the second inner hole 232, and may be bonded or the like. The auxiliary instrument 60 is disposed at an end of the positioning member 230 facing the inner cavity, and an end of the operating assembly 70 is drivably and detachably connected with the auxiliary instrument 60 by being inserted into the positioning member 230 via an outside of the material bag 20. Specifically, the operating assembly 70 is coupled to the auxiliary instrument 60 via a transmission mechanism. Further, the operating assembly 70 is coupled to the auxiliary device 60 via the positioning member 230 and the transmission mechanism. Wherein the second inner hole 232 is communicated with the inner cavity of the material bag 20, and when the positioning member 230 is connected to the second inner hole 232, the second inner hole 232 is sealed, so that the inner cavity 202 of the material bag 20 at the second auxiliary interface 23 is not communicated with the outside.

As shown in fig. 7 to 8, the transmission mechanism includes a moving member 234 and a link assembly, the moving member 234 is movably disposed in the positioning member 230; the linkage assembly is drivingly connected to the auxiliary implement 60, wherein the moving member 234 is drivingly connected to the linkage assembly to drive the auxiliary implement 60 through the linkage assembly. The moving member 234 can move along the axial direction of the positioning member 230 on the inner wall of the positioning member 230, and the linkage assembly converts the linear motion of the moving member 234 into the grabbing and releasing actions of the auxiliary device 60.

The auxiliary instrument 60 comprises a first clamping jaw 601 and a second clamping jaw 602, wherein the first clamping jaw 601 is connected with the positioning member 230; the second jaw 602 is rotatably disposed on the first jaw 601, wherein the linkage assembly is drivingly connected to the second jaw 602 for driving the second jaw 602 to rotate relative to the first jaw 601. Wherein, the first clamping jaw 601 is fixedly connected with the positioning member 230. Alternatively, the first clamping jaw 601 and the positioning member 230 may be an integral structure. The first clamping jaw 601 includes a claw-shaped portion cooperating with the second clamping jaw 602 to perform the grabbing and releasing functions, and further includes a middle portion fixedly connected or integrally formed with the end portion of the positioning member 230 facing the inner cavity 1202, the claw-shaped portion is fixedly connected or integrally formed with the middle portion, and the second clamping jaw 602 is rotatably connected with the first clamping jaw 601 through a pin shaft disposed at the middle portion.

The linkage assembly includes a first link 236 and a second link 238 pivotally connected in sequence, wherein one end of the first link 236 is rotatably connected to the moving member 234, the other end is rotatably connected to one end of the second link 238, and the other end of the second link 238 is fixedly connected to the second jaw 602, or alternatively, the other end of the second link 238 and the second jaw 602 may be an integral structure. When the moving member 234 moves, the first link 236 and the second link 238 swing in opposite directions.

Specifically, the moving member 234 moves to drive the first connecting rod 236 to move and rotate, the first connecting rod 236 drives the second connecting rod 238 to move and rotate, and the second connecting rod 238 drives the second clamping jaw 602 to rotate relative to the first clamping jaw 601 to realize the grabbing and releasing functions of the auxiliary instrument 60. The moving member 234 moves in the direction toward the inner cavity of the material bag 20, the second clamping jaw 602 rotates clockwise in fig. 8, and the space between the second clamping jaw 602 and the first clamping jaw 601 gradually increases, so as to realize the releasing function of the auxiliary instrument 60; the moving member 234 moves away from the inner cavity 202 of the material bag 20, the second clamping jaw 602 rotates counterclockwise in fig. 8, and the space between the second clamping jaw 602 and the first clamping jaw 601 gradually decreases, so as to realize the grabbing function of the auxiliary instrument 60. The displacement member 234 does not disengage from the inner bore of the positioning member 230 during displacement to maintain the sealing of the displacement member 234 against the inner cavity 202 of the material bag 20.

As shown in fig. 8, a sealing member 239 is disposed between the moving member 234 and the positioning member 230, the sealing member 239 can separate the outer side of the material bag from the inner cavity of the material bag, and prevent the operating assembly 70 from being contaminated after the operating assembly 70 is connected to the auxiliary instrument 60, so that the operating assembly 70 does not pose a risk of planting and contamination to normal tissues. Specifically, the sealing element 239 may be a sealing ring, an outer wall of the moving element 234 is provided with a circle of mounting grooves, and the sealing element 239 is disposed in the mounting grooves and in interference fit with an inner wall of the positioning element 230.

The operation assembly 70 includes: a handle assembly and a shaft assembly, the distal end of which is removably connected to the auxiliary instrument 60. The distal end of the shaft member refers to the end distal from the handle member and the proximal end of the shaft member refers to the end proximal to the handle member.

As shown in fig. 9 and 10, the shaft assembly includes an outer sleeve 721 removably connected to the positioning member 230 and an operating lever 722 removably connected to the moving member 234. The lever 722 is movably disposed within the outer sleeve 721, and one end of the outer sleeve 721 is detachably connected to the positioning member 230. And one end of the operating rod 722 is extended from the outer sleeve 721 and detachably connected with the auxiliary instrument 60. Specifically, one end of the outer sleeve 721 is inserted into the positioning member 230 and is threadedly connected to the positioning member 230, the operating rod 722 is threadedly connected to the moving member 234, and the operating rod 722 moves to drive the moving member 234 to move. The inner walls of the positioning member 230 include a first section of inner wall and a second section of inner wall, and the first section of inner wall is closer to the outside of the material bag 20 than the second section of inner wall. The inner wall of the first section is provided with internal threads which are matched with the external threads of the outer sleeve 721; the moving member 234 is received in the second section of the inner wall of the positioning member 230, and an inner hole of the moving member 234 is provided with an inner thread for matching with the outer thread of the operating rod 722.

The handle assembly includes a fixed handle 701 and a movable handle 702, the fixed handle 701 is connected to an end of the outer sleeve 721 remote from the auxiliary instrument 60, and the movable handle 702 is connected to an end of the operating rod 722 remote from the auxiliary instrument 60. The movable handle 702 is rotatably connected to the fixed handle 701, so that the operating lever 722 is moved relative to the outer sleeve 721 by rotating the movable handle 702 relative to the fixed handle 701.

As shown in FIG. 11, the knob 80 has one end connected to the outer sleeve 721 and the other end connected to the stationary handle 701. Specifically, one end of the knob 80, which is far from the handle assembly, is fixed to the outer sleeve 721 by screws or other methods known to those skilled in the art, one end of the knob 80, which is close to the handle assembly, includes a connecting protrusion 82, the fixed handle 701 includes a circumferential groove 703, the connecting protrusion 82 is in form fit with the circumferential groove 703, so that the knob 80 and the fixed handle form a fixed connection in the longitudinal direction of the outer sleeve 721, and the knob 80 can rotate 360 degrees around the longitudinal axis of the outer sleeve 721 as the central axis with respect to the fixed handle 701, and the outer sleeve 721 is driven to rotate by the knob 80. The operating rod 722 further includes a blocking portion 725 and an operating portion 726, wherein the blocking portion 725 is spherical, the operating rod 722 penetrates through the movable handle 702, and the blocking portion 725 is located inside the movable handle 702, so that the operating rod 722 and the movable handle 702 are fixedly connected in the longitudinal axis direction of the operating rod 722, and the operating rod 722 can rotate 360 degrees relative to the movable handle 702 by using the longitudinal axis of the operating rod 722 as a central axis, the operating rod 722 can be driven to rotate by rotating the operating portion 726, and the operating rod 722 can be driven to move along the longitudinal axis direction of the outer sleeve 721 by rotating the movable handle 702.

Before the clamping mechanism is used, the operating assembly 70 on the outside of the bag body is assembled with the auxiliary device 60 located in the cavity of the material bag 20. Specifically, during assembly, the operating rod 722 is inserted into the positioning member 230, the operating portion 726 of the operating rod 722 is rotated to drive the operating rod to rotate and be in threaded connection with the moving member 234, the outer sleeve 721 is inserted into the positioning member 230, the outer sleeve 721 is driven to rotate and be in threaded connection with the positioning member 230 by rotating the knob 80, and if the outer sleeve 721 is connected first or the operating rod 722 is connected first, no fixed sequence is provided, and an operator can select the operation according to the use habit. Since the positioning member 230 is connected to the second inner hole 232, the operator holds the second auxiliary interface 23 by hand, specifically, the outer wall of the second inner hole 232 to keep the positioning member 230 still, for example, another clamp can be inserted into the abdominal cavity for auxiliary clamping, so that the positioning member 230 will not rotate when the outer sleeve 721 is screwed into the positioning member 230; the moving member 234 is connected to the assisting apparatus 60, and the assisting apparatus 60 is connected to the positioning member 230, so that the moving member 234 does not rotate with respect to the positioning member 230 when the operating lever 722 is screwed in.

The use of the pouch in this embodiment will be described in detail below with reference to the removal of uterine fibroids from the body.

When the puncture outfit is used, the three puncture outfits penetrate into an abdominal cavity to form three channels, wherein the three channels are a first channel, a second channel and a third channel in sequence, and the pneumoperitoneum state is realized at the moment. The number of channels is related to the number of instruments that need to be inserted. The endoscope is inserted into the abdominal cavity from the first channel to facilitate a posterior procedure. With the aid of the endoscope, an electrocoagulation knife or other cutting instrument is inserted into the abdominal cavity from the second channel, the fibroid is separated from the uterus, and the electrocoagulation knife is then removed. With the aid of the endoscope, the sleeve of the object-taking bag, the operating rod accommodated in the sleeve and the material bag are conveyed into the abdominal cavity from the second channel, and a pair of clamps is inserted into the abdominal cavity from the third channel.

The handle 50 is pushed to open the material bag 20 in the abdominal cavity. With the aid of the clamp, the myoma is placed into the material bag 20 from the main bag opening 21 of the material bag 20, then the support arm 40 is taken out from the passage of the main bag opening 21, the sleeve and the operating rod are drawn out from the second passage, a bag opening closing line is reserved, and then a clamp is inserted from the second passage.

The clamp of the third channel is extracted, then the third channel is inserted into the clamp handle of the split clamp, and with the assistance of the clamp of the second channel, the clamp handle is connected with the clamp head at the first auxiliary interface 22. The endoscope of the first channel is inserted into the material bag 20 from the second auxiliary port 23.

Under the assistance of the clamp of the second channel, the main bag opening 21 is tightened through the bag opening closing line, the main bag opening 21, the puncture outfit at the second channel and the clamp are together drawn out of the body, the main bag opening 21 is folded after being unfolded, and at the moment, the pneumoperitoneum disappears.

The placing ring is placed at one side of the main bag mouth 21 close to the human body, and then the sealing cover is covered. Then, a rotary cutter is inserted into the central hole of the sealing cover, a luer valve is connected to the air hole of the sealing cover to inflate the material bag 20, so that the material bag 20 is in an expansion state, and rotary cutting is performed on the tumor by using the rotary cutter, so that the volume of the tumor monomer is reduced, and the tumor monomer is convenient to move outside the body. The sealing cap and luer valve are conventional components well known to those skilled in the art and the related structure will not be described herein.

In the rotary-cut process, the clamp head at the first auxiliary interface 22 assists in clamping the tissue, so that the rotary cutter can cut the tissue conveniently, and the endoscope observes the cutting condition in real time. After the rotary cutting step is finished, the auxiliary endoscope and the grasping forceps handle are respectively separated from the material bag 20 through the forceps on the rotary cutter, and finally the rotary cutter and the material bag 20 are taken out of the body together.

In conclusion, according to the utility model discloses an get thing bag, through set up main sack 21 on material bag 20, first supplementary interface 22, second supplementary interface 23, visual apparatus channel structure 24 and auxiliary instrument 60, visual apparatus channel structure 24 is used for the inner chamber 202 of holding visual apparatus in order to observe material bag 20, auxiliary instrument 60 sets up in the inner chamber 202 of material bag 20 and is connected with second supplementary interface 23, under the state of accomodating, material bag 20 is folding to be accomodate in the inside of sleeve 10, and visual apparatus channel structure 24 and auxiliary instrument 60 all arrange along the axial of sleeve 10, can not increase the size after material bag 20 is folding like this, size after material bag 20 is folding can with the internal diameter looks adaptation of sleeve 10, sleeve 10's space has been practiced thrift, sleeve 10's size has been reduced, the accomodating and the expansion of material bag 20 have been made things convenient for greatly.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. An access bag, comprising:

a sleeve (10);

the material bag (20), the material bag (20) comprises a bag wall (201), an inner cavity (202), a main bag opening (21), a first auxiliary interface (22) and a second auxiliary interface (23), and the first auxiliary interface (22) and the second auxiliary interface (23) are arranged on the bag wall (201);

a visualization instrument channel structure (24), the visualization instrument channel structure (24) being connected with the first auxiliary interface (22), the visualization instrument channel structure (24) being for receiving a visualization instrument to view the lumen (202) of the material bag (20);

an auxiliary instrument (60), wherein the auxiliary instrument (60) is arranged in the inner cavity (202) of the material bag (20) and is connected with the second auxiliary interface (23), and the auxiliary instrument (60) can be driven to perform grabbing and releasing actions;

the material bag (20) has a storage state and an expansion state; in the storage state, the material bag (20) is folded and stored in the interior of the sleeve (10), the visual instrument channel structure (24) and the auxiliary instrument (60) are arranged along the axial direction of the sleeve (10), and when the material bag (20) is switched from the storage state to the unfolding state, the material bag (20) is moved out of the sleeve (10) and unfolded.

2. The extraction bag according to claim 1, wherein the first auxiliary port (22) protrudes at least partially from the bag wall (201) around it, and the second auxiliary port (23) protrudes at least partially from the bag wall (201) around it.

3. The extraction bag according to claim 1, wherein in the stowed condition the visualization instrument channel structure (24) is arranged coaxially with the auxiliary instrument (60).

4. The extraction bag according to claim 1, wherein at least a portion of the visualization instrument channel structure (24) is a hard material.

5. The extraction bag according to claim 1 wherein at least a portion of the visualization instrument channel structure (24) is a transparent material.

6. The bag according to claim 1, characterized in that it further comprises a lever (30), said lever (30) being movably arranged inside said sleeve (10) for pushing said bag (20) out of said sleeve.

7. The extraction bag according to claim 6, wherein the distal end of the lever (30) has two arms (40), both arms (40) being pivotably connected to the distal end of the lever (30), the main bag mouth (21) being detachably connected to both arms (40).

8. Bag according to claim 7, characterised in that it further comprises elastic means arranged between the two arms (40) for bringing the two arms (40) open after the bag (20) has been pushed out of the sleeve (10) in order to unfold the bag (20).

9. Bag according to claim 7, characterised in that both said arms (40) are made of elastic material.

10. The extraction bag according to claim 1, characterized in that said first auxiliary interface (22) and said second auxiliary interface (23) are symmetrically arranged with respect to said main bag mouth (21).