CN219089194U - Insertion tube anti-folding protective sleeve and endoscope - Google Patents
Insertion tube anti-folding protective sleeve and endoscope Download PDFInfo
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- CN219089194U CN219089194U CN202222849002.0U CN202222849002U CN219089194U CN 219089194 U CN219089194 U CN 219089194U CN 202222849002 U CN202222849002 U CN 202222849002U CN 219089194 U CN219089194 U CN 219089194U
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- insertion tube
- sleeve
- connecting part
- strip
- deformation structure
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- 238000003780 insertion Methods 0.000 title claims abstract description 114
- 230000037431 insertion Effects 0.000 title claims abstract description 114
- 230000001681 protective effect Effects 0.000 title claims abstract description 52
- 230000002742 anti-folding effect Effects 0.000 title claims abstract description 22
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 239000000806 elastomer Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000007423 decrease Effects 0.000 claims abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Endoscopes (AREA)
Abstract
The utility model discloses an insertion tube anti-folding protective sleeve and an endoscope, wherein the insertion tube anti-folding protective sleeve comprises a sleeve body and a buffering deformation structure, the sleeve body comprises a first connecting part and a second connecting part, the first connecting part is used for connecting a handle, one end of the second connecting part is connected with the first connecting part, and the second connecting part is provided with a second connecting channel; the diameter of the second connecting channel gradually decreases from one end of the second connecting part to the other end of the second connecting part, and the second connecting channel is used for accommodating and abutting the insertion tube; the buffer deformation structure is arranged in the second connecting channel, one side of the buffer deformation structure is connected with the inner side wall of the second connecting part, the other side of the buffer deformation structure is used for being abutted against the insertion tube, and the buffer deformation structure is made of an elastomer material. The anti-folding protective sleeve for the insertion tube can effectively prevent the insertion tube from being folded and broken, and prolong the service life of the insertion tube.
Description
Technical Field
The utility model relates to medical equipment, in particular to an insertion tube anti-folding protective sleeve and an endoscope.
Background
Endoscopes are detection instruments integrating traditional optics, ergonomics, precision machinery, modern electronics, mathematics, software and the like; has image sensor, optical lens, light source illumination, mechanical device, etc. and may be taken orally into stomach or through other natural canal.
The endoscope generally comprises a handle, an insertion tube and a tip, wherein one end of the insertion tube is inserted into the handle and connected with the handle, the other end of the insertion tube is connected with the tip, and the tip is provided with an optical lens, a light source illumination piece and other components; the handle is generally provided with an angle handle, and the insertion tube can be driven to bend by rotating the angle handle, so that the insertion tube can conveniently pass through the bent tube cavity, and meanwhile, the tip can conveniently probe a wider area. In order to protect and seal the joint of the insertion tube and the handle and further fix the connection of the insertion tube and the handle, the conventional endoscope is generally sleeved with a protective sleeve at the joint of the insertion tube and the handle, the protective sleeve is connected with the handle, and a part of the insertion tube and a part of the handle are both positioned in the protective sleeve, so that the functions of protection, sealing and further fixation are achieved. The existing protective sleeve on the endoscope is approximately in a conical sleeve shape, and a through hole which is approximately equal to the insertion tube in size is formed in the middle of the protective sleeve and is used for accommodating the insertion tube, so that the whole wall thickness of the protective sleeve is thicker, and the insertion tube is difficult to swing along the radial direction of the insertion tube in the protective sleeve; in practical use, when the insertion tube is subjected to radial force, such as accidental touching the insertion tube, for example, when the insertion tube is bent by rotating the angle handle, a lateral (or radial) pulling force is applied to the insertion tube, and when the radial force acts on the insertion tube, the insertion tube can generate radial movement and swinging trend, and due to the blocking effect of the solid sleeve wall of the existing protective sleeve, the insertion tube is difficult to swing along the radial direction in the protective sleeve, namely, most of the radial force can be borne by the insertion tube, so that the insertion tube is gradually damaged, even completely bent and broken, and the service life of the insertion tube is influenced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the anti-folding protective sleeve for the insertion tube, which can effectively prevent the insertion tube from being folded and broken and prolong the service life of the insertion tube.
The utility model also provides an endoscope with the insertion tube anti-folding protective sleeve.
An insertion tube fold-resistant protective sheath according to an embodiment of the first aspect of the present utility model includes: the sleeve body comprises a first connecting part and a second connecting part, wherein the first connecting part is used for connecting a handle, one end of the second connecting part is connected with the first connecting part, and the second connecting part is provided with a second connecting channel; the diameter of the second connecting channel gradually decreases from one end of the second connecting part to the other end of the second connecting part, and the second connecting channel is used for accommodating and abutting against an insertion tube; the buffer deformation structure is arranged in the second connecting channel, one side of the buffer deformation structure is connected with the inner side wall of the second connecting part, the other side of the buffer deformation structure is used for being abutted to the insertion tube, and the buffer deformation structure is made of an elastomer material.
The insertion tube anti-folding protective sleeve provided by the embodiment of the utility model has at least the following technical effects: the protective sleeve is provided with the buffering deformation structure, and the buffering deformation structure is made of an elastomer material, so that when external radial force acts on the insertion tube, the insertion tube can push the buffering deformation structure to deform, so that the insertion tube can generate certain radial swing, external radial acting force is buffered, the external radial acting force is transferred to the buffering deformation structure and the protective sleeve, the adverse effect of the external radial acting force on the insertion tube is reduced, and the service life of the insertion tube is prolonged.
According to some embodiments of the utility model, the buffer deformation structure comprises a plurality of strip-shaped protrusions, the strip-shaped protrusions extend along the extending direction of the second connecting channel, one side of each strip-shaped protrusion is connected with the inner side wall of the second connecting portion, the other side of each strip-shaped protrusion is used for abutting against the insertion tube, and a preset distance is reserved between any two adjacent strip-shaped protrusions.
According to some embodiments of the utility model, the strip-shaped protrusion and the sleeve are integrally formed.
According to some embodiments of the utility model, the buffer deformation structure further comprises a connecting sleeve, wherein the outer side wall of the connecting sleeve is connected with the other side of the strip-shaped protrusion, and the inner side wall of the connecting sleeve is used for abutting against the insertion tube.
According to some embodiments of the utility model, the connecting sleeve and the bar-shaped protrusion are integrally formed.
According to some embodiments of the utility model, the connecting sleeve, the strip-shaped protrusion and the sleeve body are integrally formed.
An endoscope according to an embodiment of the second aspect of the present utility model includes: a handle; the insertion tube anti-folding protective sleeve is connected with the handle; the handle is connected to the one end of inserted tube, inserted tube prevents folding protective sheath cover and establishes on the inserted tube.
The endoscope provided by the embodiment of the utility model has at least the following technical effects: the anti-folding protective sleeve for the insertion tube is arranged, so that the insertion tube connecting handle can be effectively prevented from being bent under the action of external force, and the service life of the endoscope is prolonged.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of an overall assembly of an endoscope according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the endoscope of FIG. 1 shown in a generally assembled state with the area of the protective sheath cut away;
FIG. 3 is an enlarged view of a portion of the endoscope A shown in FIG. 2;
FIG. 4 is a perspective view of an insertion tube fold-resistant protective sheath of the endoscope of FIG. 1;
FIG. 5 is a schematic cross-sectional view of the anti-folding protective sleeve of the insertion tube shown in FIG. 4;
FIG. 6 is an isometric view of a cross-sectional structure of the insertion tube fold-resistant protective sheath of FIG. 4;
FIG. 7 is an isometric view of a cross-sectional structure of an insertion tube anti-collapse protective sleeve according to another embodiment of the present utility model;
fig. 8 is a side view of the insertion tube fold-resistant protective sheath of fig. 7.
Reference numerals:
the sleeve body 100, the first connection part 110, the first connection channel 111, the second connection part 120, the second connection channel 121;
the buffer deformation structure 200, the strip-shaped protrusions 210 and the connecting sleeve 220;
a handle 300;
the tube 400 is inserted.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "tip", "inner", "outer", "axial", "radial", "circumferential", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, the sidewall means a left sidewall and/or a right sidewall.
In the description of the present utility model, the meaning of "plurality" is two or more, "greater than", "less than", "exceeding" and the like are understood to not include the present number, and "above", "below", "within" and the like are understood to include the present number. If any, the terms "first," "second," and the like are used merely for distinguishing between technical features, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be understood that "a is disposed on B", and the connection relationship or positional relationship between a and B is expressed without representing that a is necessarily disposed above B.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, removably connected, movably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The terms "bolted" and "screwed" may be equally substituted. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.
It should be understood that, in the description of the present utility model, the descriptions of the "insertion tube 400" and the "handle 300" are introduced only for illustrating the structure and the functions of the structure of the insertion tube anti-folding protection sleeve, and the "insertion tube 400" and the "handle 300" do not belong to the structure of the insertion tube anti-folding protection sleeve.
Referring to fig. 1, 3 and 6, an insertion tube fold-preventing protective sleeve (abbreviated as protective sleeve) according to an embodiment of the present utility model includes a sleeve body 100 and a buffer deformation structure 200.
The sleeve body 100 comprises a first connecting part 110 and a second connecting part 120, wherein the first connecting part 110 is used for connecting the handle 300, one end of the second connecting part 120 is connected with the first connecting part 110, and the second connecting part 120 is provided with a second connecting channel 121; the diameter of the second connection channel 121 is gradually reduced from one end of the second connection portion 120 to the other end of the second connection portion 120, and the second connection channel 121 is for receiving and abutting the insertion tube 400.
The buffer deformation structure 200 is disposed in the second connection channel 121, one side of the buffer deformation structure 200 is connected to an inner sidewall of the second connection portion 120 (a sidewall of the second connection channel 121), and the other side of the buffer deformation structure 200 is used to abut against the insertion tube 400, and the buffer deformation structure 200 is made of an elastomer material.
The insertion tube fold-preventing sheath, the sheath body 100, the first connecting portion 110, and the second connecting portion 120 are all substantially rotating bodies having the same central axis (or rotation axis), so that the sheath and the structure thereon of the present utility model have axial, radial, and circumferential direction settings. "the diameter of the second connection channel 121 gradually decreases from one end of the second connection portion 120 to the other end of the second connection portion 120", "one side of the cushion deformation structure 200 is connected to the inner side wall of the second connection portion 120, and the other side of the cushion deformation structure 200 abuts against the insertion tube 400", it can be determined that the (radial) height of the cushion deformation structure 200 also gradually decreases from one end of the second connection portion 120 to the other end of the second connection portion 120. The sleeve body 100, the first connecting part 110 and the second connecting part 120 are all in the shape of a combined structure of tubular structures or tubular structures with different diameters; more specifically, in this embodiment, the first connection portion 110 is in a straight sleeve shape, a columnar first connection channel 111 is also provided in the first connection portion 110, the first connection channel 111 is used for accommodating a connection portion of the handle 300, a side wall of the first connection channel 111 abuts against the handle 300, the second connection portion 120 is in a tapered sleeve shape, a large end of the second connection portion 120 is connected with the first connection portion 110, an inner side wall of a small end of the second connection portion 120 abuts against an outer side wall of the insertion tube 400, the second connection channel 121 is in a truncated cone shape, the insertion tube 400 is inserted into the second connection channel 121, a side wall of the small end of the second connection channel 121 abuts against the insertion tube 400, and the second connection channel 121 is communicated with the first connection channel 111; since the second connection channel 121 is in a truncated cone shape, and the diameter of the small end thereof is substantially the same as that of the insertion tube 400, and the diameter of the large end thereof is larger than that of the insertion tube 400, after the insertion tube 400 is inserted into the second connection channel 121, a certain interval and space are provided between the outer side wall of the insertion tube 400 (the outer side wall except for the small end thereof) and the side wall of the second connection channel 121, and the space is used for setting the buffer deformation structure 200. The elastomer is a polymer with elasticity; the elastomeric material may be rubber, silicone, or the like.
The protective sheath is provided with a cushioning deformation structure 200, and the cushioning deformation structure 200 is made of an elastomeric material so that when an external radial force acts on the insertion tube 400. On the one hand, the insertion tube 400 can push the buffer deformation structure 200 to deform, so that the insertion tube 400 can generate certain radial movement (or swing), thereby buffering external radial acting force, transferring the external radial acting force to the buffer deformation structure 200 and the protective sleeve, reducing adverse effects of the external radial acting force on the insertion tube 400, and prolonging the service life of the insertion tube 400. On the other hand, compared with the existing protective sleeve with a solid pipe wall (or a protective sleeve wall), the protective sleeve provided by the utility model has the advantages that the pipe wall at the big end is thinner and weakened, so that the protective sleeve is easier to bend and bend, does not obstruct radial swing of the insertion pipe 400, can play a role in buffering and absorbing external force, protects the insertion pipe 400 and prolongs the service life of the insertion pipe 400; meanwhile, the buffer deformation structure 200 is arranged to properly fill the gap between the insertion tube 400 and the sleeve body 100, so that a certain supporting effect can be achieved on the insertion tube 400 and the sleeve body 100, the sleeve body 100 is prevented from being too soft and easy to bend and bend, and the insertion tube 400 is not firmly fixed and easy to swing radially. In summary, the protective sleeve of the present utility model is provided with the buffer deformation structure 200, so that the insertion tube 400 has a certain possibility of radial swing, and meanwhile, the insertion tube 400 is prevented from being too easy to generate radial swing.
Referring to fig. 3, 4, 5 and 6, in some embodiments of the present utility model, the buffer deforming structure 200 includes a plurality of bar-shaped protrusions 210, the bar-shaped protrusions 210 extend along the extension direction of the second connection channel 121, one side of the bar-shaped protrusions 210 is connected to the inner sidewall of the second connection portion 120 (the sidewall of the second connection channel 121), the other side of the bar-shaped protrusions 210 is for abutting the insertion tube 400, and a predetermined distance is spaced between any two adjacent bar-shaped protrusions 210.
The bar-shaped protrusion 210 is made of an elastomer material and can be elastically deformed, so that external acting force is buffered, and radial swing is generated on the insertion tube 400, and the protective sleeve is bent; the two adjacent strip-shaped protrusions 210 are spaced by a predetermined distance, so that each strip-shaped protrusion 210 has a certain elastic deformation space and is not blocked from elastic deformation. It should be appreciated that the cushioning conversion structure 200 may take other forms, such as a plurality of annular projections spaced from one another, and a plurality of columnar projections.
Referring to fig. 4, 5 and 6, in some embodiments of the present utility model, the bar-shaped protrusion 210 and the sleeve 100 are integrally formed.
The strip-shaped protrusion 210 and the sleeve body 100 are integrally formed, so that the production is convenient, the strip-shaped protrusion 210 and the sleeve body 100 are firmly connected, and the strip-shaped protrusion 210 is not easy to fall off.
Referring to fig. 7 and 8, in some embodiments of the present utility model, the buffer deformation structure 200 further includes a connection sleeve 220, an outer sidewall of the connection sleeve 220 being connected to the other side of the bar-shaped protrusion 210, an inner sidewall of the connection sleeve 220 being for abutting against the insertion tube 400.
The connecting sleeve 220 is arranged, so that the positioning, connection and fixation of the insertion tube 400 are easier, and meanwhile, the insertion tube 400 is prevented from sinking between the two strip-shaped protrusions 210 when swinging radially, so that the insertion tube 400 is not easy to restore to the original position, and the protective sleeve is always in a bending state. It should be understood that the "inner" and "outer" in the present utility model take the axis of the insertion tube anti-folding protective sleeve as the center, the direction pointing to the center is the inward direction, and the direction departing from the center is the outward direction.
Referring to fig. 7 and 8, in some embodiments of the present utility model, the connection sleeve 220 and the bar-shaped protrusion 210 are integrally formed.
The connecting sleeve 220 and the strip-shaped protrusions 210 are integrally formed, so that the production is convenient, and the connecting sleeve 220 and the strip-shaped protrusions 210 are firmly connected.
Referring to fig. 7 and 8, in some embodiments of the present utility model, the connecting sleeve 220, the bar-shaped protrusion 210, and the sleeve body 100 are integrally formed.
The connecting sleeve 220, the strip-shaped protrusions 210 and the sleeve body 100 are integrally formed, so that the production is more convenient, and the firm connection between the sleeve body 100 and the buffering deformation structure 200 is ensured.
Referring to fig. 1, 2 and 3, an endoscope according to an embodiment of the present utility model includes a handle 300, an insertion tube 400, and the aforementioned insertion tube anti-folding protection sleeve, the insertion tube anti-folding protection sleeve is connected to the handle 300, one end of the insertion tube 400 is connected to the handle 300, and the insertion tube anti-folding protection sleeve is sleeved on the insertion tube 400.
The endoscope is provided with the insertion tube anti-folding protective sleeve, so that the bending of the insertion tube 400 at the position where the insertion tube 400 is connected with the handle 300 under the action of external force can be effectively prevented, and the service life of the endoscope is prolonged. In particular, for the soft lens in the endoscope, since the insertion tube 400 (snake bone) is often bent under the action of the rotating handle, the rotating disc and the traction wire, the insertion tube 400 of the soft lens is often subjected to radial force, so that the soft lens adopts the insertion tube anti-folding protective sleeve, and the beneficial effect is better.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. An insertion tube fold-resistant protective sleeve, comprising:
the sleeve body comprises a first connecting part and a second connecting part, wherein the first connecting part is used for connecting a handle, one end of the second connecting part is connected with the first connecting part, and the second connecting part is provided with a second connecting channel; the diameter of the second connecting channel gradually decreases from one end of the second connecting part to the other end of the second connecting part, and the second connecting channel is used for accommodating and abutting against an insertion tube;
the buffer deformation structure is arranged in the second connecting channel, one side of the buffer deformation structure is connected with the inner side wall of the second connecting part, the other side of the buffer deformation structure is used for being abutted to the insertion tube, and the buffer deformation structure is made of an elastomer material.
2. The insertion tube anti-folding protective sleeve according to claim 1, wherein the buffer deformation structure comprises a plurality of strip-shaped protrusions, the strip-shaped protrusions extend along the extending direction of the second connecting channel, one side of each strip-shaped protrusion is connected with the inner side wall of the second connecting portion, the other side of each strip-shaped protrusion is used for abutting against the insertion tube, and a preset distance is reserved between any two adjacent strip-shaped protrusions.
3. The insertion tube anti-fold protective sleeve according to claim 2, wherein the strip-shaped protrusions and the sleeve body are integrally formed.
4. The insertion tube anti-folding protective sleeve according to claim 2, wherein the buffer deformation structure further comprises a connecting sleeve, an outer side wall of the connecting sleeve is connected with the other side of the strip-shaped protrusion, and an inner side wall of the connecting sleeve is used for abutting against the insertion tube.
5. The insertion tube anti-fold protective sleeve according to claim 4, wherein said connecting sleeve and said strip-shaped protrusion are integrally formed.
6. The protective sleeve of claim 4 wherein said sleeve, said strip-shaped projection and said sleeve are integrally formed.
7. An endoscope, comprising:
a handle;
the insertion tube anti-fold protective sheath according to any one of claims 1 to 6, connected to the handle;
the handle is connected to the one end of inserted tube, inserted tube prevents folding protective sheath cover and establishes on the inserted tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222849002.0U CN219089194U (en) | 2022-10-26 | 2022-10-26 | Insertion tube anti-folding protective sleeve and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222849002.0U CN219089194U (en) | 2022-10-26 | 2022-10-26 | Insertion tube anti-folding protective sleeve and endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219089194U true CN219089194U (en) | 2023-05-30 |
Family
ID=86465816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222849002.0U Active CN219089194U (en) | 2022-10-26 | 2022-10-26 | Insertion tube anti-folding protective sleeve and endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219089194U (en) |
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2022
- 2022-10-26 CN CN202222849002.0U patent/CN219089194U/en active Active
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