CN112603448A - Rubber ring pusher of ligation gun - Google Patents
Rubber ring pusher of ligation gun Download PDFInfo
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- CN112603448A CN112603448A CN202011579051.6A CN202011579051A CN112603448A CN 112603448 A CN112603448 A CN 112603448A CN 202011579051 A CN202011579051 A CN 202011579051A CN 112603448 A CN112603448 A CN 112603448A
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- rubber ring
- ligation
- guide
- guide piece
- gun
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3205—Excision instruments
- A61B17/32056—Surgical snare instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
- A61B2017/12018—Elastic band ligators
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- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
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- Heart & Thoracic Surgery (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
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- Vascular Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention belongs to the technical field of medical auxiliary instruments, and particularly relates to a ligation gun rubber ring pusher which comprises an installation cylinder with an opening at the front side, and a guide piece, a ligation rubber ring, a multi-jaw chuck and an elastic rubber ring which are sequentially arranged in the installation cylinder from front to back; the guide piece is in a cone structure; the multi-jaw chuck is composed of a guide shaft, clamping jaws and a connecting plate, wherein a guide piece is slidably sleeved on the guide shaft, a ligation rubber ring is arranged on the rear side of the guide piece and is extruded on a rubber ring supporting surface by the guide piece, and an elastic rubber ring is sleeved on the outer side of each clamping jaw so as to be folded after the clamping jaws are opened. The ligation gun rubber ring pusher based on the application can not only install the ligation rubber ring quickly, but also improve the safety of the operation, reduce the operation content of the ligation operation and shorten the operation time.
Description
Technical Field
The invention belongs to the technical field of medical auxiliary instruments, and particularly relates to a rubber ring pusher of a ligation gun.
Background
The loop ligature gun is an important tool for loop ligature operation in the course of operations of anorectal loop ligature and the like, and has the basic function of transferring and fixing loop ligature tools such as loop ligature rubber rings or coils and the like at the operation loop ligature position. In the actual use process, the rubber ring or the elastic coil needs to be stretched manually, and then the rubber ring or the elastic coil is sleeved at the position of an adsorption tube opening at the front end of a ligation gun (a ligation device), and finally the operation is finished. However, the diameter of the rubber ring is very small (generally smaller than 10mm) after the rubber ring is contracted in a natural state, the size of the front end of the ligation gun is small, the operation is inconvenient, a doctor is often required to cooperate with two hands to prop open the rubber ring for fixing the rubber ring, the installation of the rubber ring is often required to cooperate with multiple persons, one person holds and fixes the ligation gun, the other person installs the ligation gun, in addition, the doctor generally requires to wear gloves during operation, the operation of small parts is inconvenient originally, the rubber ring has elasticity, an operator is required to continuously exert force to keep the propping state of the rubber ring and prevent the rubber ring from bouncing away during installation, and therefore the existing ligation gun is troublesome in use, long in time and incapable of being operated by one person.
Disclosure of Invention
An object of the application is to provide a ligation gun rubber ring pusher which can simplify the rubber ring installation steps, is convenient for a single person to install the rubber ring quickly, improves the operation speed and reduces the operation content.
In order to achieve the purpose, the following technical scheme is adopted in the application.
A ligation gun rubber ring pusher is used for installing a rubber ring on an adsorption pipe orifice of a ligation gun and comprises an installation cylinder 5 with an opening at the front side, and a guide part 1, a ligation rubber ring 2, a multi-jaw chuck 3 and an elastic rubber ring 4 which are sequentially arranged in the installation cylinder from front to back;
the guide piece 1 is in a cone structure, the cone bottom of the guide piece faces forwards, the cone top of the guide piece faces backwards and points to the multi-jaw chuck 3, and a through hole 1a is formed in the central conical shaft; the diameter of the conical bottom of the guide part 1 is not less than the diameter of an adsorption pipe orifice on the ligation gun;
the multi-jaw chuck 3 is composed of a guide shaft 3a inserted into the through hole, clamping jaws 3b arranged around the guide shaft in an annular array manner and a connecting plate 3c used for connecting and fixing the guide shaft 3a and the clamping jaws 3b at the rear side, a positioning part 3d is arranged at the front end of the clamping jaw 3b, one surface of the positioning part 3d departing from the guide shaft is a conical surface, and the conical surface on each positioning part 3d forms a rubber ring supporting surface; the connecting plate 3c is connected to the mounting cylinder 5;
the guide piece 1 is slidably sleeved on the guide shaft 3a, the ligation rubber ring 2 is arranged on the rear side of the guide piece 1 and is extruded on a rubber ring supporting surface by the guide piece 1, and the elastic rubber ring 4 is sleeved on the outer side of each clamping jaw so as to be folded after being opened.
According to the further improvement or optimization of the ligation gun rubber ring pusher, a plurality of guide grooves 1b are formed in the outer conical surface of the guide piece 1, and the number and the positions of the guide grooves correspond to the holding claws 3 b.
The ligation gun rubber ring pusher is further improved or optimized, the ligation gun rubber ring pusher further comprises an elastic anti-release part 6 arranged on the front side of the guide part 1, and a shrinkage hole with the diameter smaller than that of the guide shaft 3a is formed in the elastic anti-release part 6; the elastic anti-release piece is sleeved on the guide shaft through the shrinkage hole to prevent the guide piece from being separated from the guide shaft.
The ligation gun rubber ring pusher is further improved or optimized, and a cylindrical connecting structure 1c which can be sleeved into the inner side of an adsorption pipe orifice is arranged on the front side of the guide piece 1;
the conical bottom of the guide piece 1 is provided with an annular butt joint groove 1d which can be in butt joint with the adsorption pipe orifice.
The ligation gun rubber ring pusher is further improved or optimized, the connecting plate 3c is detachably connected to the rear side of the mounting cylinder, and the connecting plate is of a circular plate structure and can be buckled at the opening of the rear side of the mounting cylinder;
the connecting plate and the mounting cylinder are connected through a movable buckle structure.
The ligation gun rubber ring pusher is further improved or optimized, a blocking part 3e is arranged on the rear side of each rubber ring supporting surface on the positioning part, and a positioning surface for supporting the ligation rubber ring 2 is arranged on the front side of the blocking part 3 e.
The beneficial effects are that:
the ligation gun rubber ring pusher has strong universality, can be matched with various types of ligation guns (ligation devices), and is convenient and rapid to install a ligation rubber ring; when the device is used, the front end of the guide piece 1 is butted with an adsorption pipe orifice of a ligation gun, the multi-jaw chuck 3 (which drives the installation cylinder to approach the ligation gun) is pushed, the guide piece 1 moves towards the multi-jaw chuck 3 along the guide shaft 3a under the reverse acting force of the adsorption pipe orifice, the clamping jaws 3b on the multi-jaw chuck 3 are propped open by the guide piece 1, the ligation rubber ring sleeved at the front end of the clamping jaws is propped open and continuously pushed until the ligation rubber ring reaches the conical bottom part of the guide piece, a small distance is pushed forwards, the inner side of the ligation rubber ring loses the support of the guide piece, the ligation rubber ring is pushed by the clamping jaws to contract inwards and is sleeved at the adsorption pipe orifice, the installation of the ligation rubber ring is completed, and then the pusher is taken down. The ligation gun rubber ring pusher based on the application can not only install the ligation rubber ring on the ligation gun (device) rapidly, but also can guarantee that the positions of the whole in-process ligation rubber ring, an adsorption pipe opening and the like do not need manual operation any more, the device isolation is realized, the safety of the operation is improved, the operation content of the ligation operation is reduced, the operation time is shortened, the rubber ring pusher is simple in structure, low in cost, compact in structure and small in size, can be used as a rubber ring mounting tool of various disposable ligation devices and the like, and has good application prospect.
Drawings
FIG. 1 is a cross-sectional view of a ligation gun rubber ring pusher;
FIG. 2 is an assembly view of the ligation gun rubber ring pusher;
FIG. 3 is a first schematic structural view of the guide member;
FIG. 4 is a second schematic structural view of the guide member;
fig. 5 is a schematic structural view of a multi-jaw chuck.
Detailed Description
The present application will be described in detail with reference to specific examples.
As shown in fig. 1 to 5, the ligation gun rubber ring pusher is used for installing a rubber ring on an adsorption pipe orifice of a ligation gun, does not depend on a ligation tool, and can be used independently or used in combination as an accessory of the ligation gun.
The device comprises an installation cylinder 5 with an opening at the front side, and a guide part 1, a ligation rubber ring 2, a multi-jaw chuck 3 and an elastic rubber ring 4 which are sequentially arranged in the installation cylinder from front to back;
the guide piece 1 is in a cone structure, the cone bottom of the guide piece faces forwards, the cone top of the guide piece faces backwards and points to the multi-jaw chuck 3, and a through hole 1a is formed in the central conical shaft; the diameter of the conical bottom of the guide part 1 is not less than the diameter of an adsorption pipe orifice on the ligation gun;
the multi-jaw chuck 3 is composed of a guide shaft 3a inserted into the through hole, clamping jaws 3b arranged around the guide shaft in an annular array manner and a connecting plate 3c used for connecting and fixing the guide shaft 3a and the clamping jaws 3b at the rear side, a positioning part 3d is arranged at the front end of the clamping jaw 3b, one surface of the positioning part 3d departing from the guide shaft is a conical surface, and the conical surface on each positioning part 3d forms a rubber ring supporting surface; the connecting plate 3c is connected to the mounting cylinder 5; the outer conical surface of the guide member 1 is provided with a plurality of guide grooves 1b, and the number and positions of the guide grooves correspond to the holding claws 3 b.
The guide part is used for utilizing the cone surface to strut the ligation rubber ring in operation process, so that the diameter grow of the guide part can be sleeved on the adsorption pipe orifice of the ligation gun, through the arrangement of the guide groove corresponding to the clamping jaws, the angle of striving after the contact of each clamping jaw and the guide part can be guaranteed, the guide part can not slide left and right, the smooth installation of the ligation rubber ring is guaranteed, meanwhile, the friction between the clamping jaws and the outer conical surface of the guide part can be avoided, the surface of the guide part is kept intact, and the damage of structures such as burrs to the ligation rubber ring is prevented.
In order to better fix the ligation rubber ring, prevent the ligation rubber ring from separating and ensure that the clamping jaws can smoothly push the ligation rubber ring to advance, in the embodiment, the rear side of each rubber ring supporting surface is provided with a blocking part 3e, and the front side of the blocking part 3e is provided with a positioning surface for supporting the ligation rubber ring 2.
The positioning surfaces on the clamping claws are abutted against the rear side of the ligation rubber ring in an annular array, so that the ligation rubber ring can be smoothly pushed and uniformly stretched.
The guide piece 1 is slidably sleeved on the guide shaft 3a, the ligation rubber ring 2 is arranged on the rear side of the guide piece 1 and is extruded on a rubber ring supporting surface by the guide piece 1, and the elastic rubber ring 4 is sleeved on the outer side of each clamping jaw so as to be folded after being opened.
In order to prevent the guide part moving on the guide shaft from falling off accidentally, so that the guide part cannot slide out of the guide shaft, and can move along the guide shaft when being pushed, the anti-falling elastic device further comprises an elastic anti-falling part 6 arranged on the front side of the guide part 1, and the elastic anti-falling part 6 is provided with a contraction hole with the diameter smaller than that of the guide shaft 3 a; the elastic anti-release piece is sleeved on the guide shaft through the shrinkage hole to prevent the guide piece from being separated from the guide shaft.
Further, the following improvements are made for the convenience of using the embodiment:
in order to facilitate the connection of the guide piece and the adsorption pipe orifice, the ligation rubber ring can smoothly transit from the guide piece to the adsorption pipe orifice, in the embodiment, the front side of the guide piece 1 is provided with a cylindrical connecting structure 1c which can be sleeved into the inner side of the adsorption pipe orifice;
the tube-shape connection structure can be inserted into the adsorption pipe orifice, so that the guide piece is in close contact with the adsorption pipe orifice, the ligation rubber ring is prevented from dropping, and whether the operation angle is correct or not can be conveniently observed.
Furthermore, an annular butt joint groove 1d capable of being in butt joint with the adsorption pipe orifice is formed in the conical bottom of the guide piece 1; the annular butt joint groove is matched with the cylindrical connecting structure, so that the adsorption pipe orifice can be better fixed, and the adsorption pipe orifice is prevented from shaking randomly in the movement process of the rubber ring.
In order to facilitate assembly, the ligation rubber ring and the elastic rubber ring are conveniently installed in place before use, in the embodiment, the connecting plate 3c is detachably connected to the rear side of the installation cylinder, and the connecting plate is of a circular plate structure and can be buckled at the opening of the rear side of the installation cylinder; the connecting plate and the mounting cylinder are connected through a movable buckle structure.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (6)
1. A ligation gun rubber ring pusher is used for installing a rubber ring on an adsorption pipe orifice of a ligation gun and is characterized by comprising an installation cylinder (5) with an opening at the front side, and a guide piece (1), a ligation rubber ring (2), a multi-jaw chuck (3) and an elastic rubber ring (4) which are sequentially arranged in the installation cylinder from front to back;
the guide piece (1) is in a cone structure, the cone bottom is forward, the cone top is backward and points to the multi-jaw chuck (3), and a through hole (1a) is formed in the central cone shaft; the diameter of the conical bottom of the guide piece (1) is not less than the diameter of an adsorption pipe orifice on the ligation gun;
the multi-jaw chuck (3) is composed of a guide shaft (3a) inserted into the through hole, clamping jaws (3b) arranged around the guide shaft in an annular array mode and a connecting plate (3c) used for connecting and fixing the guide shaft (3a) and the clamping jaws (3b) at the rear side, a positioning part (3d) is arranged at the front end of the clamping jaw (3b), one surface of the positioning part (3d) departing from the guide shaft is a conical surface, and the conical surface on each positioning part (3d) forms a rubber ring supporting surface; the connecting plate (3c) is connected to the mounting cylinder (5);
the guide piece (1) is slidably sleeved on the guide shaft (3a), the ligation rubber ring (2) is arranged on the rear side of the guide piece (1) and is extruded on a rubber ring supporting surface by the guide piece (1), and the elastic rubber ring (4) is sleeved on the outer side of each clamping jaw so that the clamping jaws can be folded after being opened.
2. The ligation gun rubber ring pusher according to claim 1, wherein the outer conical surface of the guide member (1) is provided with a plurality of guide grooves (1b), the number and position of the guide grooves corresponding to the holding claws (3 b).
3. The ligation gun rubber ring pusher is characterized by further comprising an elastic anti-release piece (6) arranged on the front side of the guide piece (1), wherein a shrinkage hole with the diameter smaller than that of the guide shaft (3a) is formed in the elastic anti-release piece (6); the elastic anti-release piece is sleeved on the guide shaft through the shrinkage hole to prevent the guide piece from being separated from the guide shaft.
4. The ligation gun rubber ring pusher according to claim 1, wherein the front side of the guide member (1) is provided with a cylindrical connecting structure (1c) which can be sleeved into the inner side of the adsorption pipe orifice; the conical bottom of the guide piece (1) is provided with an annular butt joint groove (1d) which can be in butt joint with the adsorption pipe orifice.
5. The ligation gun rubber ring pusher is characterized in that the connecting plate (3c) is detachably connected to the rear side of the mounting cylinder, and the connecting plate is of a circular plate structure and can be buckled at the opening of the rear side of the mounting cylinder;
the connecting plate and the mounting cylinder are connected through a movable buckle structure.
6. The ligation gun rubber ring pusher according to claim 1, wherein the positioning part is provided with a blocking part (3e) at the rear side of each rubber ring supporting surface, and the front side of the blocking part (3e) is provided with a positioning surface for supporting the ligation rubber ring (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579051.6A CN112603448A (en) | 2020-12-28 | 2020-12-28 | Rubber ring pusher of ligation gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579051.6A CN112603448A (en) | 2020-12-28 | 2020-12-28 | Rubber ring pusher of ligation gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112603448A true CN112603448A (en) | 2021-04-06 |
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ID=75248363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011579051.6A Pending CN112603448A (en) | 2020-12-28 | 2020-12-28 | Rubber ring pusher of ligation gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112603448A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729832A (en) * | 2021-09-29 | 2021-12-03 | 微尔创（武汉）医疗科技有限公司 | Simple elastic thread ligation anastomat |
-
2020
- 2020-12-28 CN CN202011579051.6A patent/CN112603448A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729832A (en) * | 2021-09-29 | 2021-12-03 | 微尔创（武汉）医疗科技有限公司 | Simple elastic thread ligation anastomat |
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