CN216090692U - Snare with scales and capable of accurately controlling diameter - Google Patents
Snare with scales and capable of accurately controlling diameter Download PDFInfo
- Publication number
- CN216090692U CN216090692U CN202121732819.9U CN202121732819U CN216090692U CN 216090692 U CN216090692 U CN 216090692U CN 202121732819 U CN202121732819 U CN 202121732819U CN 216090692 U CN216090692 U CN 216090692U
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- Prior art keywords
- snare
- pull rod
- outer shell
- wall
- graduated
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims description 8
- 238000004033 diameter control Methods 0.000 claims description 3
- 208000037062 Polyps Diseases 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000002045 lasting effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a snare with scales, which can accurately control the diameter, and comprises: the snare comprises an outer shell, a handle and a snare, wherein the outer shell is a main supporting structure of the snare, threads are formed in the inner wall of the outer shell, the outer wall of the outer shell is fixedly provided with the handle, and the front-view cross section structure of the handle is an I-shaped structure; the pull rod, swing joint is in the inboard of shell body, the surface of pull rod is provided with the screw thread, the screw thread of pull rod with intermeshing connects between the inner wall screw thread of shell body, the pull rod with constitute rotating-structure between the shell body, this snare can conveniently enclose at the in-process of operation and get to change the pull formula structure of snare into spiral structure, can conveniently carry out the snare to the position that needs the excision, and do not need to stimulate the pull rod position all the time and just can carry out lasting snare to the position that needs the excision after enclosing positions such as polyp, the medical personnel of being convenient for singlehanded snare operation that lasts.
Description
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a snare with scales, which can accurately control the diameter.
Background
In the operation process, the snare is usually used as a grabbing device, which is equivalent to a mechanical arm for snaring polyps and the like on the body of a patient, and the polyps are conveniently cut off, most of the existing snares are of a pull-out type, and if the positions of the polyps and the like on the body of the patient needing to be cut need to be continuously grabbed, a pull rod needs to be pulled all the time, so that the labor intensity of use is increased, and the operation process is troublesome;
and the diameter of snare rope that present snare can not accurate control leads to using convenient inadequately to can produce the shake when pulling the pull rod when the polyp is got to the circle, lead to easily that the object of getting by the circle drops from the snare.
Therefore, the snare with the scales, which can accurately control the diameter, needs to be designed aiming at the problems, the convenience of looping and taking an object can be improved, and the looping and taking diameter of the snare can also be accurately improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a snare with scales, which can accurately control the diameter, so as to solve the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: a graduated snare capable of precise diameter control comprising:
the snare comprises an outer shell, a handle and a snare, wherein the outer shell is a main supporting structure of the snare, threads are formed in the inner wall of the outer shell, the outer wall of the outer shell is fixedly provided with the handle, and the front-view cross section structure of the handle is an I-shaped structure;
the pull rod is movably connected to the inner side of the outer shell, threads are arranged on the outer surface of the pull rod, the threads of the pull rod are meshed with the threads on the inner wall of the outer shell, and a rotating structure is formed between the pull rod and the outer shell;
the connecting block is fixedly connected to the lower end of the pull rod, and the connecting block is of an inverted trapezoidal structure;
the sheath pipe is rotatably connected below the connecting block, and the structure of the sheath pipe is a cylindrical structure.
Preferably, the outer case further comprises:
the scale frame is fixedly connected to the outer wall of the front side of the outer shell, and a transparent observation port is arranged in the middle of the scale frame;
and the scale marks are uniformly marked on the outer wall of the front side of the scale frame.
Preferably, the pull rod further comprises:
the marking line is marked on the outer wall of the pull rod and can be observed through the transparent window of the scale frame;
the pull ring is fixedly arranged at the top end of the pull rod, and the structure of the pull ring is an annular structure.
Preferably, the connecting block further comprises:
the buckle is fixedly arranged at the lower end of the connecting block;
the rotary cake is rotatably arranged on the inner side of the buckle, the rotary cake is connected with the buckle in a clamping manner, and the lower end of the rotary cake is fixedly connected with the sheath tube.
Preferably, the sheath further comprises:
the rope sleeving rope is fixedly connected to the lower end of the sheath tube, and two ends of the rope sleeving rope are fixedly installed at the lower end of the sheath tube respectively;
and the clamping block is fixedly arranged on the left side of the sheath tube.
Preferably, the fixture block further comprises:
the clamping groove is formed in the inner wall of the left side of the outer shell, and a clamping structure is formed between the clamping groove and the clamping block;
and the sealing plug is fixedly arranged in the shell body, and the sealing plug is connected to the outer side of the sheath tube in a sleeved mode.
Compared with the prior art, the utility model has the beneficial effects that: the graduated snare capable of accurately controlling the diameter adopts a novel structural design, can conveniently loop and take in the operation process, changes the drawing structure of the snare into a spiral structure, can conveniently snare the part to be cut, can continuously snare the part to be cut without pulling a pull rod part all the time after looping the polyp and other parts, and is convenient for medical personnel to perform continuous snare operation with one hand;
1. the length of the pull rod extending out of the outer shell can be directly read by utilizing the indication number of the scale marks on the scale mark aligning frame on the pull rod, so that the length of the pull rod indirectly driving the casing rope to enter the outer shell can be obtained, the diameter of the casing rope can be further obtained, the pull rod can be made to stretch out and draw back on the outer shell by rotating the pull rod through the meshing of the threads of the pull rod and the threads on the inner side of the outer shell, and the operation cutting part of the pull rod can be loosened after the cutting part is sleeved by the pull rod and cannot be loosened from the casing rope by utilizing the threaded meshing between the pull rod and the outer shell;
2. and through the rotating-structure between buckle and the commentaries on classics cake, can make the pull rod can not drive the sheath pipe and rotate when rotating to the convenient snare to the excision position, and utilize the effect of fixture block and draw-in groove, can conveniently restrict pivoted effect to the sheath pipe, thereby prevent to produce between sheath pipe and the shell body and rotate.
Drawings
FIG. 1 is a schematic isometric view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a front cross-sectional structural view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is an enlarged cross-sectional view of the structure at B in FIG. 3 according to the present invention.
In the figure: 1. an outer housing; 2. a handle; 3. a scale frame; 4. scale lines; 5. a pull rod; 6. aligning the marked lines; 7. a pull ring; 8. buckling; 9. cake turning; 10. a sheath tube; 11. a sealing plug; 12. sleeving a rope; 13. connecting blocks; 14. a clamping block; 15. a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a graduated snare capable of precise diameter control comprising:
the snare comprises an outer shell 1 which is a main supporting structure of the snare, wherein threads are formed on the inner wall of the outer shell 1, a handle 2 is fixedly installed on the outer wall of the outer shell 1, and the front-view cross section structure of the handle 2 is an I-shaped structure;
the pull rod 5 is movably connected to the inner side of the outer shell 1, threads are arranged on the outer surface of the pull rod 5, the threads of the pull rod 5 are meshed with the threads on the inner wall of the outer shell 1, and a rotating structure is formed between the pull rod 5 and the outer shell 1;
the connecting block 13 is fixedly connected to the lower end of the pull rod 5, and the connecting block 13 is of an inverted trapezoidal structure;
the sheath tube 10 is rotatably connected below the connecting block 13, and the sheath tube 10 is of a cylindrical structure.
The outer case 1 further includes:
the scale frame 3 is fixedly connected to the outer wall of the front side of the outer shell 1, and a transparent observation port is arranged in the middle of the scale frame 3;
and scale marks 4 which are uniformly marked on the outer wall of the front side of the scale frame 3.
The pull rod 5 further comprises:
the marking line 6 is marked on the outer wall of the pull rod 5, the marking line 6 can be observed through a transparent window of the scale frame 3, the length of the pull rod 5 extending out of the outer shell 1 can be directly read by aligning the marking line 6 with the scale mark 4 on the scale frame 3, so that the length of the pull rod 5 indirectly driving the rope sleeving rope 12 to enter the outer shell 1 can be obtained, and the diameter of the rope sleeving rope 12 can be further obtained;
and the pull ring 7 is fixedly arranged at the top end of the pull rod 5, and the pull ring 7 is of an annular structure.
The connecting block 13 further comprises:
the buckle 8 is fixedly arranged at the lower end of the connecting block 13;
change cake 9, its rotation is installed in the inboard of buckle 8, and the connected mode between commentaries on classics cake 9 and the buckle 8 is connected for the block, changes fixed connection between the lower extreme of cake 9 and the sheath pipe 10, through buckle 8 and the rotating-structure between the commentaries on classics cake 9, can be so that pull rod 5 can not drive sheath pipe 10 and rotate when the rotation.
The sheath 10 further comprises:
a noose rope 12 fixedly connected to the lower end of the sheath tube 10, both ends of the noose rope 12 being fixedly mounted to the lower end of the sheath tube 10, respectively;
and a latch 14 fixedly installed at the left side of the sheath tube 10.
The latch 14 further includes:
the clamping groove 15 is formed in the left inner wall of the outer shell 1, a clamping structure is formed between the clamping groove 15 and the clamping block 14, the clamping block 14 can be clamped, and therefore the sheath tube 10 is prevented from rotating;
sealing plug 11, its fixed mounting is in the inside of shell body 1, and sealing plug 11 cup joints the outside of connecting at sheath pipe 10, can play the inside sealed effect of outer shell body 1, prevents that impurity from entering into the inside of shell body 1.
The working principle is as follows: when the device is used, firstly, as shown in figures 1-5, when a cutting part needs to be snared in the operation process, firstly, the handle 2 on the outer shell 1 is held, so that the snare extends into the cutting part, then, the cutting part needs to be snared by using the noose rope 12, then, the pull ring 7 is held by using the other hand and rotates, the pull ring 7 drives the pull rod 5 and the outer shell 1 to rotate, the pull rod 5 extends out of the outer shell 1, then, the pull rod 5 drives the sheath tube 10 to retract towards the inner side of the outer shell 1 by using the connection function of the buckle 8 and the rotary cake 9, the sheath tube 10 drives the noose rope 12 to retract towards the inner part of the outer shell 1, when the noose rope 12 is continuously retracted into the outer shell 1, the diameter of the noose rope 12 can be continuously reduced, so that the cutting part can be snared, and when the pull rod 5 is continuously extended out of the outer shell 1, the marking line 6 can be driven to move together, the moving length of the pull rod 5 can be read out through the scale marks 4 on the scale frame 3 corresponding to the marking line 6, so that the extending length of the lasso rope 12 can be calculated, and the diameter of the lasso rope 12 can be obtained, moreover, as the clamping block 14 on the sheath tube 10 is clamped in the clamping groove 15, the sheath tube 10 and the outer shell 1 can be prevented from rotating, and when the pull rod 5 rotates, the rotation can be generated between the clamping block 8 on the connecting block 13 and the rotary cake 9 connected on the sheath tube 10, so that the sheath tube 10 can not be driven to rotate, and after the cutting part is sheathed, the pull rod 5 can be loosened, through the threaded engagement of the pull rod 5 and the outer shell 1, the lasso rope 12 can be continuously tightened to the cutting part, and the sealing plug 11 blocks impurities from entering the outer shell 1, thereby preventing the use of the snare from being influenced, the use of the snare is thus completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A graduated snare capable of precise diameter control, comprising:
the snare comprises an outer shell (1) which is a main supporting structure of the snare, wherein threads are formed in the inner wall of the outer shell (1), a handle (2) is fixedly installed on the outer wall of the outer shell (1), and the front-view cross section structure of the handle (2) is an I-shaped structure;
the pull rod (5) is movably connected to the inner side of the outer shell (1), threads are arranged on the outer surface of the pull rod (5), the threads of the pull rod (5) are meshed with the threads of the inner wall of the outer shell (1) to be connected, and a rotating structure is formed between the pull rod (5) and the outer shell (1);
the connecting block (13) is fixedly connected to the lower end of the pull rod (5), and the connecting block (13) is of an inverted trapezoidal structure;
the sheath pipe (10) is rotatably connected below the connecting block (13), and the structure of the sheath pipe (10) is a cylindrical structure.
2. A graduated snare according to claim 1, wherein the outer housing (1) further comprises:
the scale frame (3) is fixedly connected to the outer wall of the front side of the outer shell (1), and a transparent observation port is arranged in the middle of the scale frame (3);
and the scale marks (4) are uniformly marked on the outer wall of the front side of the scale frame (3).
3. A graduated snare according to claim 2, wherein the pull rod (5) further comprises:
the marking line (6) is marked on the outer wall of the pull rod (5), and the marking line (6) can be observed through a transparent window of the scale frame (3);
and the pull ring (7) is fixedly arranged at the top end of the pull rod (5), and the structure of the pull ring (7) is an annular structure.
4. A graduated snare according to claim 1, wherein the connection block (13) further comprises:
the buckle (8) is fixedly arranged at the lower end of the connecting block (13);
the rotary cake (9) is rotatably arranged on the inner side of the buckle (8), the rotary cake (9) is connected with the buckle (8) in a clamping manner, and the lower end of the rotary cake (9) is fixedly connected with the sheath tube (10).
5. A graduated snare according to claim 1, wherein the sheath (10) further comprises:
the rope sleeving rope (12) is fixedly connected to the lower end of the sheath tube (10), and two ends of the rope sleeving rope (12) are fixedly installed at the lower end of the sheath tube (10) respectively;
and the fixture block (14) is fixedly arranged on the left side of the sheath tube (10).
6. A graduated snare according to claim 5, wherein the cartridge (14) further comprises:
the clamping groove (15) is formed in the inner wall of the left side of the outer shell (1), and a clamping structure is formed between the clamping groove (15) and the clamping block (14);
and the sealing plug (11) is fixedly arranged in the outer shell (1), and the sealing plug (11) is connected to the outer side of the sheath tube (10) in a sleeved mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121732819.9U CN216090692U (en) | 2021-07-28 | 2021-07-28 | Snare with scales and capable of accurately controlling diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121732819.9U CN216090692U (en) | 2021-07-28 | 2021-07-28 | Snare with scales and capable of accurately controlling diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216090692U true CN216090692U (en) | 2022-03-22 |
Family
ID=80723444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121732819.9U Expired - Fee Related CN216090692U (en) | 2021-07-28 | 2021-07-28 | Snare with scales and capable of accurately controlling diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216090692U (en) |
-
2021
- 2021-07-28 CN CN202121732819.9U patent/CN216090692U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220322 |