CN114145836A - Three-coil sleeve device applied under digestive endoscopy - Google Patents
Three-coil sleeve device applied under digestive endoscopy Download PDFInfo
- Publication number
- CN114145836A CN114145836A CN202111455696.3A CN202111455696A CN114145836A CN 114145836 A CN114145836 A CN 114145836A CN 202111455696 A CN202111455696 A CN 202111455696A CN 114145836 A CN114145836 A CN 114145836A
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- CN
- China
- Prior art keywords
- snare
- base
- wire
- traction wire
- pull wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001079 digestive effect Effects 0.000 title claims abstract description 18
- 238000001839 endoscopy Methods 0.000 title description 3
- 239000002184 metal Substances 0.000 claims abstract description 65
- 208000037062 Polyps Diseases 0.000 description 25
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1407—Loop
- A61B2018/141—Snare
Abstract
The invention discloses a three-coil snare applied under a digestive endoscope, which comprises a snare assembly and an operation assembly, wherein the snare assembly comprises a snare metal loop, a snare auxiliary traction wire, a snare base and a snare device shell, the operation assembly comprises a metal loop control rod, a metal loop control handle, a traction wire control rod, a traction wire control handle and a base assembly, one end of the snare auxiliary traction wire is connected with the end part of the snare metal loop, and the other end of the snare auxiliary traction wire is connected with the traction wire control rod and controlled by the traction wire control handle. The metal snare and the pull wire connected with the snare jointly form the snare main body, so that large polyps and difficult-to-snare polyps of the polyps at difficult positions caused by a single plane of the traditional snare are ingeniously made up, and the operability and the deformability of the snare are higher and more flexible. When the polypus is snared, the size and the angle of the snare can be further adjusted by changing the angle and the length of the pull wire, and the polypus can be snared more quickly and better.
Description
Technical Field
The invention relates to the field of snares, in particular to a three-coil snare applied under a digestive endoscope.
Background
At present, the prevailing snares in the market are annular snares, and the snares are convenient when snares are suitable for small polyps or polyp positions.
However, the existing snares have certain disadvantages:
1. when large polyps are encountered, the snare is difficult to fast and completely snare the whole polyps, and is not convenient enough;
2. in addition, when a polyp at a difficult position is encountered, due to the limitation of the plane of the snare, the polyp can be completely snared by the fact that the angle of the plane of the snare cannot be adjusted or the direction of an endoscopic probe cannot be changed within a short time, even an experienced endoscopic doctor also has the problem, the operation efficiency is greatly reduced, and meanwhile, higher anesthesia risk is brought to a patient.
Disclosure of Invention
In order to overcome the disadvantages of the prior art, it is an object of the present invention to provide a three-coil snare for use under an endoscope, which solves the problem of low efficiency.
One of the purposes of the invention is realized by adopting the following technical scheme:
a three-coil sleeve device applied under a digestive endoscope, which comprises a sleeve assembly and an operation assembly,
the snare assembly comprises a snare metal loop, a snare auxiliary traction wire, a snare base and a snare device shell, wherein one end of the snare metal loop is in a snare shape, and the other end of the snare metal loop extends into the snare device shell and is converged by a snare metal wire convergence device fixed on the snare base, passes through the snare base fixed on the inner wall of the snare device shell and then is connected and fixed on the metal loop control rod; the operating assembly comprises a snare base fixed on the inner wall of the snare device shell, a snare metal wire convergence device connected with the snare base, a metal ring operating rod connected with the snare metal ring, a metal ring operating handle connected with the metal ring operating rod, a pull wire operating handle connected with the pull wire operating rod and a base assembly, wherein one end of an auxiliary pull wire of the snare is connected with the end of the snare metal ring, and the other end of the auxiliary pull wire of the snare is connected with the pull wire operating rod and is controlled through the pull wire operating handle.
Further, a traction wire shell is arranged on the outer side of the snare auxiliary traction wire.
Further, the length of the snare auxiliary pull wire is larger than that of the pull wire shell.
Further, the snare base is provided with a snare wire convergence device.
Further, the snare base is slidably mounted to the snare device housing.
Furthermore, the base assembly is provided with a traction wire slide rail and a traction wire control slide rail which is installed in a matched mode with the traction wire slide rail, the snare assists the traction wire to be connected with the traction wire control slide rail, and the traction wire control slide rail is connected with the traction wire control handle.
Furthermore, the snare base is cylindrical, and the snare base is hollow.
Further, the base assembly is cylindrical.
Further, the area of the base assembly is larger than the area of the snare base.
Further, the metal ring operating handle is annular.
Compared with the prior art, the invention has the beneficial effects that:
the snare assembly comprises a snare metal loop, a snare auxiliary traction wire, a snare base and a snare device shell, wherein one end of the snare metal loop is in a snare shape, the other end of the snare metal loop extends into the snare device shell, and the snare metal loop is converged by a snare metal wire convergence device fixed on the snare base and then is connected and fixed on the metal loop control rod through the snare base fixed on the inner wall of the snare device shell; the operating assembly comprises a snare metal wire convergence device connected with a snare base, a metal ring operating rod connected with a metal ring, a metal ring operating handle connected with the metal ring operating rod, a pull wire operating handle connected with the pull wire operating rod and a base assembly, wherein one end of an auxiliary pull wire of the snare is connected with the end of the snare metal ring, and the other end of the auxiliary pull wire of the snare is connected with the pull wire operating rod and is controlled through the pull wire operating handle. The snare metal ring is arranged on the metal ring manipulation handle, the metal ring manipulation handle is used for guiding the snare metal ring and the snare device to release the auxiliary traction wire, the snare metal ring is further close to the polyp, the length of the snare device auxiliary traction wire and the angle of the snare metal ring are adjusted through the traction wire manipulation handle, the deformation and the angle of the snare metal ring are suitable for the size of the target polyp, in the process of the snare polyp, the traction wire manipulation handle is pulled to enable the snare device to assist the traction wire to be recovered, the snare metal ring is bent to be spoon-shaped to net the polyp, the snare process is completed more quickly, the condition that the snare device is separated from the polyp due to the fact that an endoscope shakes or a digestive tract contracts can be reduced, better and faster snare is realized, and then the polyp is cut by the power supply.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a block diagram of a preferred embodiment of a tri-coil sheath for use under an endodigestive endoscope in accordance with the present invention;
FIG. 2 is a left side view of the tri-coil sheath used under the digestive endoscope of FIG. 1;
figure 3 is a right side view of the tri-coil sheath applied under the digestive endoscope shown in figure 1.
In the figure: 10. a snare assembly; 11. sleeving a metal ring; 12. a snare auxiliary pull wire; 121. a pull wire housing; 13. a snare base; 14. sleeving a wire convergence device; 15. a snare device housing; 20. an operating component; 21. a loop manipulation lever; 22. a metal ring operating handle; 23. a pull wire lever; 24. a traction wire operating handle; 25. a base assembly; 251. a tow wire slide rail; 252. the traction wire operates the slide rail.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, a three-coil snare for digestive endoscopy comprises a snare assembly 10 and an operation assembly 20, wherein the snare assembly 10 comprises a snare metal loop 11, a snare auxiliary traction wire 12, a snare base 13 and a snare device housing 15, one end of the snare metal loop 11 is in a snare shape, and the other end of the snare metal loop extends into the snare device housing 15 and is fixedly connected with a metal loop operation rod 21 in the snare device housing 15;
the operating assembly 20 comprises a snare base 13 connected with a snare device shell 15, a snare wire convergence device 14 connected with the snare base 13, a metal loop operating handle 22 connected with a metal loop operating rod 21, a pull wire operating rod 23, a pull wire operating handle 24 connected with the pull wire operating rod 23 and a base assembly 25, wherein one end of the snare auxiliary pull wire 12 is connected with the end of the snare metal loop 11, and the other end of the snare auxiliary pull wire is connected with the pull wire operating rod 23 and is operated through the pull wire operating handle 24. According to the invention, the metal snare and the traction wire connected with the snare jointly form the snare main body, so that relatively large polyps and difficult-to-snare polyps of the polyps at difficult positions caused by a single plane of the traditional snare are ingeniously made up, and the operability and the deformability of the snare are higher and more flexible. When the polypus is snared, the size and the angle of the snare can be further adjusted by changing the angle and the length of the pull wire, and the polypus can be snared more quickly and better.
The working principle is as follows: when polyps are found, the snare metal ring 11 and the snare auxiliary pull wire 12 are released through the pull wire control handle 24 and the metal ring control handle 22, the snare metal ring 11 is further close to the polyps, the length of the snare auxiliary pull wire 12 and the angle of the snare auxiliary pull wire 12 and the snare metal ring 11 are adjusted through the pull wire control handle 24, the deformation and the angle of the snare metal ring 11 are suitable for the size of the target polyps, in the process of snaring the polyps, the pull wire control handle 24 is pulled to enable the snare auxiliary pull wire 12 to be recovered, the snare metal ring 11 is bent to be spoon-shaped to net the polyps, the snare process is completed more quickly, the situation that the snare is separated from the polyps due to endoscope shaking or digestive tract contraction can be reduced, better and faster snare is realized, and then a power supply is connected to complete polyp excision.
Preferably, a pull wire shell 121 is arranged on the outer side of the snare auxiliary pull wire 12. The length of the auxiliary pull wire 12 of the snare is larger than that of the pull wire shell 121, and therefore guiding efficiency is improved.
Preferably, the snare base 13 is provided with a snare wire convergence device 14, so that convergence efficiency is improved.
Preferably, the snare base 13 is slidably mounted to the snare device housing 15. The base component 25 is provided with a pull wire slide rail 251 and a pull wire control slide rail 252 which is matched with the pull wire slide rail 251, the snare auxiliary pull wire 12 is connected with the pull wire control slide rail 252, and the pull wire control slide rail 252 is connected with the pull wire control handle 24. The snare base 13 is cylindrical, and the snare base 13 is hollow. The base assembly 25 is cylindrical. The area of the base assembly 25 is greater than the area of the snare base 13. The eyelet lever 22 is annular in shape. Whole device compact structure, novel structure, design benefit, the suitability is strong, the facilitate promotion. According to the snare, the third traction wire skillfully makes up for larger polyps and difficult polyps for snaring at difficult positions caused by a single plane of the traditional snare, so that the snare is higher in operability and deformability and is more flexible. The snare is changed from two dimensions to three dimensions, and the size, the angle and the like of the snare can be further adjusted by changing the angle and the length of the pull wire when the polyp is snared, so that the snare can be faster and better.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A three-coil snare used under a digestive endoscope comprises a snare assembly and an operation assembly, and is characterized in that:
the snare assembly comprises a snare metal loop, a snare auxiliary traction wire, a snare base and a snare device shell, wherein one end of the snare metal loop is in a snare shape, and the other end of the snare metal loop extends into the snare device shell and is converged by a snare metal wire convergence device fixed on the snare base, passes through the snare base fixed on the inner wall of the snare device shell and then is connected and fixed on the metal loop control rod;
the operating assembly comprises a snare base fixed on the inner wall of the snare device shell, a snare metal wire convergence device connected with the snare base, a metal ring operating rod connected with the snare metal ring, a metal ring operating handle connected with the metal ring operating rod, a pull wire operating handle connected with the pull wire operating rod and a base assembly, wherein one end of an auxiliary pull wire of the snare is connected with the end of the snare metal ring, and the other end of the auxiliary pull wire of the snare is connected with the pull wire operating rod and is controlled through the pull wire operating handle.
2. The triple coil snare for use under a digestive endoscope according to claim 1, wherein: and a traction wire shell is arranged on the outer side of the auxiliary traction wire of the snare.
3. The triple coil snare for use under a digestive endoscope according to claim 2, wherein: the length of the auxiliary pull wire of the snare is larger than that of the pull wire shell.
4. The triple coil snare for use under a digestive endoscope according to claim 1, wherein: the snare base is provided with a snare wire convergence device.
5. The triple coil snare for use under a digestive endoscope according to claim 1, wherein: the snare base is slidably mounted to the snare device housing.
6. The triple coil snare for use under a digestive endoscope according to claim 1, wherein: the base component is provided with a traction wire slide rail and a traction wire control slide rail which is installed in a matched mode with the traction wire slide rail, the snare assists the traction wire to be connected with the traction wire control slide rail, and the traction wire control slide rail is connected with the traction wire control handle.
7. The triple coil snare for use under a digestive endoscope according to claim 1, wherein: the snare base is cylindrical, and the snare base is hollow.
8. The tri-coil sheath apparatus for use under a digestive endoscope according to claim 7, wherein: the base assembly is cylindrical.
9. The triple coil snare for use under a digestive endoscope according to claim 8, wherein: the area of the base assembly is greater than the area of the snare base.
10. The triple coil snare for use under a digestive endoscope according to claim 1, wherein: the metal ring operating handle is in a circular ring shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111455696.3A CN114145836B (en) | 2021-12-01 | 2021-12-01 | Three-wire snare for use under a digestive endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111455696.3A CN114145836B (en) | 2021-12-01 | 2021-12-01 | Three-wire snare for use under a digestive endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114145836A true CN114145836A (en) | 2022-03-08 |
| CN114145836B CN114145836B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111455696.3A Active CN114145836B (en) | 2021-12-01 | 2021-12-01 | Three-wire snare for use under a digestive endoscope |
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| US20030109874A1 (en) * | 2001-12-07 | 2003-06-12 | Dennis William G. | Surgical snare with steering tether and method of using same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114145836B (en) | 2024-03-22 |
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