CN212788566U - Outer channel type tissue traction system and tissue traction device - Google Patents
Outer channel type tissue traction system and tissue traction device Download PDFInfo
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- CN212788566U CN212788566U CN202020294177.8U CN202020294177U CN212788566U CN 212788566 U CN212788566 U CN 212788566U CN 202020294177 U CN202020294177 U CN 202020294177U CN 212788566 U CN212788566 U CN 212788566U
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Abstract
The utility model provides an outer passageway formula tissue tractive system and tissue tractive ware. The lower end of the retractor body is used for abutting and matching with skin, and the lower end of the retractor body is provided with a guide channel for the stay wire to pass through and guiding the stay wire; the winding roller is used for winding the upper end of the pull wire, and one end of the winding roller, which extends out of the retractor body, is provided with a wire fixing structure for fixing the pull wire; the elastic piece is used for providing an elastic acting force for pulling the pull wire to pull outwards, the lower end of the elastic piece is in abutting fit with the retractor body, and the upper end of the elastic piece is in abutting fit with the winding roller; the locking structure is used for locking the winding roller. One end of the pull wire penetrates through the guide channel at the lower part of the retractor body, and the other end of the pull wire penetrates through the retractor body and is fixed on the winding roller through the wire fixing structure. Has the advantages of convenient threading, easy cleaning and easy observation.
Description
Technical Field
The utility model relates to an outer passageway formula tissue tractive system and tissue tractive ware.
Background
In the prior art, when wounds of tissues such as skin, bones, muscles, ligaments, joint capsules, blood vessels, nerves and tendons of a patient are large, the tissues on two sides of the wounds often need to be gradually stretched until the wounds heal by means of external force.
There are many skin retractors in the prior art, such as the skin retractor system and the skin retractor thereof disclosed in chinese patent application publication No. CN110432994A, which is provided with a retractor body of an installation cavity extending along the up-down direction, a top pressing piece arranged in the installation cavity and an elastic piece used for providing elastic force for the top pressing piece, rotate on the puller body and be equipped with the wire winding roller that is used for twining corresponding acting as go-between, roof pressure spare have with the installation cavity intercommunication, a passageway of acting as go-between for supplying corresponding acting as go-between to pass through, be connected with the locking mechanism with its locking on the wire winding roller, locking mechanism including set up on the wire winding roller stall structure and can with stall structure cooperation and set up the cooperation structure on the puller body, the wire winding roller is along its axial and puller body direction removal cooperation and have stall structure and cooperation locking position and unblock position.
However, when the skin retractor in the above patent is used, threading is required in the internal cavity, which is very inconvenient, especially for flexible pull wires, a threading tool is generally required, which is very cumbersome, and the condition of the pull wire is inconvenient to observe in the using process, and the subsequent cleaning is also very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tissue retractor which is convenient for threading, easy to clean and easy to observe; it is still another object of the present invention to provide an outer channel tissue retraction system using the above tissue retractor.
The utility model discloses a technical scheme who organizes tractive ware is realized like this:
the tissue retractor comprises:
the lower end of the retractor body is used for abutting and matching with skin, and a guide channel for the stay wire to pass through and guiding the stay wire is arranged at the lower end of the retractor body;
the winding roller is used for winding the upper end of the pull wire, and one end of the winding roller, which extends out of the retractor body, is provided with a wire fixing structure for fixing the pull wire;
the elastic piece is used for providing an elastic acting force for pulling the pull wire outwards, the lower end of the elastic piece is in abutting fit with the retractor body, and the upper end of the elastic piece is in abutting fit with the winding roller;
and the locking structure is used for locking the winding roller.
On the basis of the scheme, the drawing device is further improved in that a vertical splitting groove is formed in the drawing device body, the elastic piece is sleeved outside the drawing device body, the winding roller is assembled in the vertical splitting groove in a sliding mode, and one end, far away from the wire fixing structure, of the winding roller is fixedly connected with the elastic piece at the lower portion of the winding roller.
On the basis of the scheme, the winding device is further improved in that a rotation stopping plane used for being matched with the vertical splitting groove in a rotation stopping mode is arranged on one section of the winding roller, and the winding roller can move for a certain distance along the axial direction so that the rotation stopping plane extends into the vertical splitting groove.
On the basis of the scheme, the wire fixing structure is further improved in that one end of the wire winding roller, which is far away from the wire fixing structure, is connected with an elastic piece at the lower part of the wire winding roller through an elastic rope. One end of the winding roller, which is far away from the wire fixing structure, is also provided with a limiting table for preventing the elastic rope from slipping.
On the basis of the scheme, the lower end of the retractor body is a conical head in a further improvement mode.
On the basis of the scheme, the drawing device is further improved in that a blocking platform is arranged at the lower part of the drawing device body, the lower end of the elastic piece is in pushing fit with the blocking platform, and a guide hole for the drawing wire to pass through is formed in one side, close to the wire fixing structure on the winding roller, of the blocking platform.
On the basis of the scheme, the wire fixing structure is further improved to be a through hole arranged along the radial direction of the winding roller.
The utility model discloses an outer passageway formula tissue traction system's technical scheme is realized like this:
the outer channel tissue retraction system comprises:
a pull wire for pulling tissue or a steel needle threaded into the tissue;
the lower end of the retractor body is used for being matched with skin in an abutting mode, and a guide channel for the stay wire to pass through and guide the stay wire is arranged at the lower end of the retractor body;
the winding roller is used for winding the upper end of the pull wire, and one end of the winding roller, which extends out of the retractor body, is provided with a wire fixing structure for fixing the pull wire;
the elastic piece provides an elastic acting force for pulling the pull wire outwards, the lower end of the elastic piece is in abutting fit with the retractor body, and the upper end of the elastic piece is in abutting fit with the winding roller;
the locking structure is used for locking the winding roller;
one end of the pull wire penetrates through the guide channel at the lower part of the retractor body, and the other end of the pull wire penetrates through the retractor body and is fixed on the winding roller through the wire fixing structure.
On the basis of the scheme, the drawing device is further improved in that a vertical splitting groove is formed in the drawing device body, the elastic piece is sleeved outside the drawing device body, the winding roller is assembled in the vertical splitting groove in a sliding mode, and one end, far away from the wire fixing structure, of the winding roller is fixedly connected with the elastic piece at the lower portion of the winding roller.
On the basis of the scheme, the winding device is further improved in that a rotation stopping plane used for being matched with the vertical splitting groove in a rotation stopping mode is arranged on one section of the winding roller, and the winding roller can move for a certain distance along the axial direction so that the rotation stopping plane extends into the vertical splitting groove.
On the basis of the scheme, the wire fixing structure is further improved in that one end of the wire winding roller, which is far away from the wire fixing structure, is connected with an elastic piece at the lower part of the wire winding roller through an elastic rope. One end of the winding roller, which is far away from the wire fixing structure, is also provided with a limiting table for preventing the elastic rope from slipping.
On the basis of the scheme, the lower end of the retractor body is a conical head in a further improvement mode.
On the basis of the scheme, the drawing device is further improved in that a blocking platform is arranged at the lower part of the drawing device body, the lower end of the elastic piece is in pushing fit with the blocking platform, and a guide hole for the drawing wire to pass through is formed in one side, close to the wire fixing structure on the winding roller, of the blocking platform.
On the basis of the scheme, the wire fixing structure is further improved to be a through hole arranged along the radial direction of the winding roller.
By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a tissue tractive ware and outer passageway formula tissue tractive system is for prior art, through serving the solidus structure that sets up with the winding roller, sets up guide way at the lower extreme of tractive ware body for act as go-between can be outside at tractive ware body, and the dismouting of acting as go-between is more convenient, has made things convenient for the washing moreover and has looked over the state of acting as go-between.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a front view of embodiment 1 of the outer channel tissue-pulling system of the present invention;
FIG. 2 is a side cross-sectional view of FIG. 1;
fig. 3 is a perspective view of the winding roller of fig. 1;
fig. 4 is an internal cross-sectional view of embodiment 2 of the outer channel tissue-pulling system of the present invention;
wherein: 1-a retractor body, 11-a vertical split groove, 2-an elastic piece, 3-a winding roller, 31-a stopping table, 32-a limiting table, 33-a perforation, 4-an elastic rope, 5-a stay wire, 7-a guide hole and 8-a stopping table; 9-fixed tube, 10-locking spring, 20-washer, 30-fixed sleeve, 40-guide sleeve, 50-operating sleeve and 60-rotation stopping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an outer passageway formula tissue traction system's embodiment 1: as shown in fig. 1-3, the outer channel tissue-pulling system comprises: the device comprises a pull wire 5, a retractor body 1, a winding roller 3, an elastic piece 2 and a locking structure.
A pull wire 5 for pulling tissue or for pulling a steel needle penetrating through tissue; the pull wire 5 in this embodiment may be a nylon wire, a fishing line, a metal wire, or the like, and the pull wire 5 may be a medical common wire in the prior art.
The skin-supporting retractor comprises a retractor body 1, wherein the lower end of the retractor body 1 is used for abutting and matching with skin, and a guide channel for a pull wire 5 to pass through and guiding the pull wire 5 is arranged at the lower end of the retractor body 1; the retractor body 1 in this embodiment is cylindrical, the spring serving as the elastic member 2 is sleeved outside the retractor body, and the lower portion of the retractor body is provided with a stop table 8 so as to be in abutting fit with the lower end of the spring. The guide channel in this embodiment is a guide hole 7, and a radially extending arc-shaped groove is further formed at the tip of the lower portion of the retractor body 1 so as to support against the steel needle. The retractor body 1 is provided with a vertical splitting groove 11, the elastic piece 2 is sleeved outside the retractor body 1, the winding roller 3 is assembled in the vertical splitting groove 11 in a sliding mode, and one end, far away from the wire fixing structure, of the winding roller 3 is fixedly connected with the elastic piece 2 at the lower portion of the winding roller. As shown in fig. 2, the vertical splitting slot 11 is a long slot split from top to bottom, and the surfaces of both sides of the splitting slot are planes so as to be in rotation stopping fit with the rotation stopping table 31 on the winding roll 3, thereby locking the winding roll 3.
The winding roller 3 is used for winding the upper end of the pull wire 5, and one end of the winding roller 3, which extends out of the retractor body 1, is provided with a wire fixing structure for fixing the pull wire 5; as shown in fig. 3, the middle of the winding roller 3 in this embodiment is cylindrical, the diameter of the cylinder is smaller than that of the vertical splitting slot 11, and one end of the cylinder is provided with a limiting table 32 with a larger diameter, so that the elastic rope 4 can be conveniently limited. The other end of the winding roller 3 is provided with a square rotation stopping table 31, the distance between any pair of rotation stopping planes of the rotation stopping table 31 is slightly smaller than the width of the vertical splitting groove 11, so that when the winding roller 3 moves to the position where the rotation stopping table 31 is located in the vertical splitting groove 11 along the axial direction, the rotation stopping effect on the winding roller 3 can be realized by the stop cooperation between the side surface of the vertical splitting groove 11 and one pair of rotation stopping planes of the rotation stopping table 31, the winding roller 3 is placed to rotate, and the locking effect on the winding roller 3 is achieved. And a section of the rotation stopping table 31 close to the end face on the same side of the winding roller 3 is also provided with a through hole 33 extending in the radial direction for the pull wire 5 to pass through so as to facilitate the fixation of one end of the pull wire 5, and the fixed pull wire 5 can be wound on the winding roller 3 along with the co-rotation of the winding roller 3.
The elastic piece 2 provides an elastic acting force for pulling the pull wire 5 outwards, the lower end of the elastic piece 2 is matched with the retractor body 1 in a propping mode, and the upper end of the elastic piece 2 is matched with the winding roller 3 in a propping mode; the winding roller 3 in this embodiment is a helical metal spring, but in other embodiments, it may be replaced with a non-metal spring, or with an elastic metal sheet or an elastic non-metal sheet, etc.
A locking structure for locking the winding roller 3; the locking structure in this embodiment mainly refers to a rotation stopping structure of the rotation stopping table 31 on the winding roller 3 and the vertical splitting slot 11, which are matched with each other.
One end of the pull wire 5 passes through a guide channel at the lower part of the retractor body 1, and the other end of the pull wire passes through the outside of the retractor body 1 and is fixed on the winding roller 3 through a wire fixing structure.
The lower part of the retractor body 1 is provided with a baffle table 8, the lower end of the elastic part 2 is matched with the baffle table 8 in a pushing way, and one side of the baffle table 8, which is close to the wire fixing structure on the winding roller 3, is provided with a guide hole 7 for the pull wire 5 to guide and pass through.
When in use, the spring is sleeved on the retractor body 1, the winding roller 3 is horizontally placed in the vertical splitting groove 11, one end of the winding roller 3 close to the limiting platform 32 is bound at the upper end of the spring through the elastic rope 4, such as a rubber rope, one end of the pull wire 5 passes through the through hole 33 of the winding roller 3 and is bound and fixed, the other end of the pull wire 5 passes through the guide hole 7 arranged on the baffle platform 8 from the outside of the retractor body 1, then passes through the guide hole 7 at the tip end of the lower end of the retractor body 1 and passes through skin or other tissues to be pulled or a steel needle, when the pulling force needs to be increased, the winding roller 3 is pushed towards one side close to the stopping platform 31, the stopping platform 31 is moved out of the vertical splitting groove 11, the winding roller 3 is unlocked, the winding roller 3 is rotated to continuously wind the pull wire 5 on the winding roller 3, the realization can set up vertical width to the taut effect of 5 acting as go-between on tractive ware body 1, looks over the pulling force through the position of observing winding roller 3, after pulling to suitable position, moves winding roller 3 towards the one side that is close to spacing platform 32 for only revolving stage 31 gets into vertical cleft 11 in, realizes the locking to winding roller 3. Due to the existence of the elastic rope 4, the winding roller 3 is labor-saving when being locked, and the winding roller 3 is ensured not to be overturned out from the vertical splitting groove 11 when being pulled on one side of the stay wire 5 at one end, so that the winding roller 3 is locked.
In other embodiments, the rotation stop 31 may be replaced by a pentagonal prism, a hexagonal prism, a triangular prism, or the like, and is not limited to a quadrangular prism.
The utility model discloses an outer passageway formula tissue traction system's embodiment 2: as shown in fig. 4, this embodiment is an optimized improvement based on the solution of the patent with application publication No. CN110432994A, and the requirement of switching the internal channel to the external channel is realized by improving two parts of the winding roller 3 and the retractor body 1. Specifically, the right side of the winding roller 3 is provided with an extension, and the extension is provided with a through hole 33 to facilitate fixing of the wire 5, and the wire 5 can be conveniently wound at the lower end of the retractor body 1 from the outside of the retractor body 1. The retractor body 1 is free from a middle through channel, and only a guide hole 7 is arranged at the tip of the lower end of the retractor body so that the pull wire 5 can pass through the guide hole. In use, the difference from the cited patent is that the threading and cleaning of the pull wire 5 is more convenient, and the observation of the pull wire 5 is also more convenient.
The utility model discloses a tissue tractive ware and outer passageway formula tissue tractive system is for prior art, through serving the solidus structure that sets up with the winding roller, sets up guide way at the lower extreme of tractive ware body for act as go-between can be outside at tractive ware body, and the dismouting of acting as go-between is more convenient, has made things convenient for the washing moreover and has looked over the state of acting as go-between.
It should be noted that: the outer channel tissue retraction system can be applied to skin, bone, muscle, ligament, joint capsule, blood vessel, nerve, tendon, etc. and is not limited to use on skin wounds.
In other embodiments, the guide channel as the guide hole may be replaced with a guide groove.
In other embodiments, the lower end of the retractor body may not be provided with a conical head, but instead be a cylinder of smaller diameter.
The utility model discloses a tissue tractive ware's specific embodiment and the difference of above-mentioned outer passageway formula tissue tractive system lie in, and the tissue tractive ware does not contain and acts as go-between, and the same part is no longer repeated.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A tissue retractor, comprising:
the lower end of the retractor body is used for abutting and matching with skin, and a guide channel for the stay wire to pass through and guiding the stay wire is arranged at the lower end of the retractor body;
the winding roller is used for winding the upper end of the pull wire, and one end of the winding roller, which extends out of the retractor body, is provided with a wire fixing structure for fixing the pull wire;
the elastic piece is used for providing an elastic acting force for pulling the pull wire outwards, the lower end of the elastic piece is in abutting fit with the retractor body, and the upper end of the elastic piece is in abutting fit with the winding roller;
and the locking structure is used for locking the winding roller.
2. The tissue retractor according to claim 1, wherein the retractor body is provided with a vertical slot, the elastic member is sleeved outside the retractor body, the winding roller is slidably assembled in the vertical slot, and one end of the winding roller, which is far away from the thread fixing structure, is fixedly connected with the elastic member at the lower part of the winding roller.
3. The tissue retractor of claim 2 wherein the winding roller has a stop surface on one of the segments for engaging the vertical slots, the winding roller being axially movable a distance to allow the stop surface to extend into the vertical slots.
4. The tissue retractor of claim 3 wherein the end of the winding roller remote from the thread-securing structure is connected to the elastic member below it by an elastic cord; one end of the winding roller, which is far away from the wire fixing structure, is also provided with a limiting table for preventing the elastic rope from slipping.
5. The tissue retractor of any of claims 1-4 wherein the lower end of the retractor body is a conical head.
6. The tissue retractor according to any of claims 1 to 4 wherein the retractor body is provided at a lower portion thereof with a stopper, the lower end of the elastic member is in pushing engagement with the stopper, and the stopper is provided at a side thereof adjacent to the thread fixing structure on the winding roller with a guide hole for guiding the pulling thread therethrough.
7. The tissue retractor of any of claims 1-4 wherein the thread-securing structure is a perforation disposed radially along the winding roller.
8. An outer channel tissue retraction system comprising a pull wire and a steel needle for retracting tissue or for retracting through tissue, and further comprising a tissue retractor according to any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294177.8U CN212788566U (en) | 2020-03-11 | 2020-03-11 | Outer channel type tissue traction system and tissue traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020294177.8U CN212788566U (en) | 2020-03-11 | 2020-03-11 | Outer channel type tissue traction system and tissue traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212788566U true CN212788566U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020294177.8U Active CN212788566U (en) | 2020-03-11 | 2020-03-11 | Outer channel type tissue traction system and tissue traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212788566U (en) |
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2020
- 2020-03-11 CN CN202020294177.8U patent/CN212788566U/en active Active
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