CN212788588U - Stepless regulation tissue traction device and tissue traction system - Google Patents
Stepless regulation tissue traction device and tissue traction system Download PDFInfo
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- CN212788588U CN212788588U CN202020293700.5U CN202020293700U CN212788588U CN 212788588 U CN212788588 U CN 212788588U CN 202020293700 U CN202020293700 U CN 202020293700U CN 212788588 U CN212788588 U CN 212788588U
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- winding roller
- retractor
- locking
- tissue
- tractive ware
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Abstract
The utility model relates to a electrodeless regulation tissue tractive ware and tissue tractive system. The utility model discloses an infinitely variable control tissue tractive ware, including tractive ware body and the elastic component of setting on the tractive ware body, rotate on the tractive ware body and install the winding roller, be equipped with on the winding roller be used for with tractive ware body complex locking portion, the tractive ware body is installed and is used for locking portion extrusion fit so that its and tractive ware body friction stall complex retaining member, owing to adopt frictional force to stall the cooperation when locking, can realize the locking of winding roller at arbitrary angle like this to realize electrodeless regulation, improved the suitability of tractive ware like this.
Description
Technical Field
The utility model relates to a electrodeless regulation tissue tractive ware and tissue tractive system.
Background
The skin tissue needs to be repaired by medical means after being damaged, and for wounds of general size, the repair can be completed by adopting common suture means. However, for some wounds with large area, the skin tissue is contracted under the elastic action after being damaged, so that the suture cannot be directly performed, and a retractor is required to be used for pulling the wound so as to gradually expand the wound to a normal size.
There are many kinds of skin retractors in the prior art, for example, chinese patent application publication No. CN110432994A discloses a skin retractor, which includes a retractor body, a pressing member disposed in an installation cavity, and an elastic member for providing elastic force to the pressing member, wherein a winding roller for winding corresponding wires is rotatably mounted on the retractor body, the pressing member has a structure communicating with the installation cavity, the wire drawing device comprises a wire drawing roller, a wire drawing channel, a locking mechanism and a locking mechanism, wherein the wire drawing roller is used for corresponding wire drawing, the locking mechanism is used for locking the wire drawing roller and comprises a rotation stopping structure arranged on the wire drawing roller and a matching structure capable of matching with the rotation stopping structure and arranged on a tractor body, the wire drawing roller is guided, moved and matched with the tractor body along the axial direction of the wire drawing roller and is provided with a locking position matched with the rotation stopping structure and a locking position matched with the matching structure, and an unlocking position disengaged from the rotation stopping structure and the matching structure. When using, rotate the winding roller and will act as go-between the winding on the winding roller, the winding roller is in the locking position, realize locking through stopping commentaries on classics structure and cooperation structure cooperation, thereby prevent that the winding roller from returning back, when needs are become flexible and act as go-between, promote the winding roller along the winding roller, make it move from the locking displacement to unblock position, stop structure and cooperation structure like this and break away from the cooperation, the winding roller is in free state, act as go-between under reverse action power effect and become flexible from the winding roller and break away from, thereby realize the not hard up of acting as go-between.
When the winding roller of the skin tractor of the type is rotated, the rotation stopping structure adopts the prismatic structure, so that the winding roller can only be adjusted in a stepped manner during adjustment, and the applicability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a stepless adjustment tissue retractor, which solves the problem of poor applicability caused by the fact that the existing retractor only can be organically adjusted; and simultaneously, the utility model also provides an use tissue tractive system of above-mentioned electrodeless regulation tissue tractive ware.
The utility model discloses an infinitely variable control tissue tractive ware adopts following technical scheme:
electrodeless regulation tissue tractive ware is in including tractive ware body and setting elastic component on the tractive ware body, rotate on the tractive ware body and install the winding roller, be equipped with on the winding roller be used for with tractive ware body complex locking portion, the tractive ware body is installed and is used for right locking portion extrusion fit is so that it and tractive ware body friction stall complex retaining member.
The locking part is to the radial outside extension of winding roller, the retaining member is for being used for right the extruded locking cap of locking part.
The locking portion is a flanging structure extending outwards in the radial direction of the winding roller, and the bottom of the locking cap is in extrusion fit with the flanging structure.
The locking cap is installed on the retractor body in a threaded mode.
The retractor body is provided with a matching sleeve, the winding roller is rotatably assembled in an inner cavity of the matching sleeve, and the locking part is matched with the end face of the matching sleeve.
And a damping pad is arranged between the locking part and the retractor body.
The damping pad is a rubber pad.
The winding roller is provided with an operation part which is suspended outside the retractor body, and an operation sleeve is rotatably arranged on the operation part.
And the winding roller is in rotation stopping fit with the operating sleeve through a prismatic structure or a spline structure.
The utility model discloses a tissue tractive system adopts following technical scheme:
tissue traction system, including electrodeless regulation tissue tractive ware and act as go-between, electrodeless regulation tissue tractive ware includes the tractive ware body and sets up elastic component on the tractive ware body, rotate on the tractive ware body and install the winding roller, be equipped with on the winding roller be used for with tractive ware body complex locking portion, it is right that the tractive ware body is installed be used for locking portion extrusion fit so that its and tractive ware body friction stall complex retaining member.
The locking part is to the radial outside extension of winding roller, the retaining member is for being used for right the extruded locking cap of locking part.
The locking portion is a flanging structure extending outwards in the radial direction of the winding roller, and the bottom of the locking cap is in extrusion fit with the flanging structure.
The locking cap is installed on the retractor body in a threaded mode.
The retractor body is provided with a matching sleeve, the winding roller is rotatably assembled in an inner cavity of the matching sleeve, and the locking part is matched with the end face of the matching sleeve.
And a damping pad is arranged between the locking part and the retractor body.
The damping pad is a rubber pad.
The winding roller is provided with an operation part which is suspended outside the retractor body, and an operation sleeve is rotatably arranged on the operation part.
And the winding roller is in rotation stopping fit with the operating sleeve through a prismatic structure or a spline structure.
The utility model has the advantages that: the utility model discloses an infinitely variable control tissue tractive ware, including tractive ware body and the elastic component of setting on the tractive ware body, rotate on the tractive ware body and install the winding roller, be equipped with on the winding roller be used for with tractive ware body complex locking portion, the tractive ware body is installed and is used for locking portion extrusion fit so that its and tractive ware body friction stall complex retaining member, owing to adopt frictional force to stall the cooperation when locking, can realize the locking of winding roller at arbitrary angle like this to realize electrodeless regulation, improved the suitability of tractive ware like this.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.
Fig. 1 is a schematic structural view of an embodiment of the infinitely adjustable tissue retractor of the present invention;
FIG. 2 is an enlarged fragmentary view of the winding roller of FIG. 1 at the location thereof;
in the figure: 1. a retractor body; 2. a winding roller; 3. an operating sleeve; 4. a fitting sleeve; 5. a locking cap; 21. a locking portion; 22. a collar; 23. a first damping pad; 24. a second damping pad; 25. a rotation stop section; 51. an internal thread.
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 embodiment of tissue traction system, as shown in fig. 1-2, tissue traction system, including electrodeless regulation tissue tractive ware and acting as go-between, electrodeless regulation tissue tractive ware includes tractive ware body 1 and sets up the elastic component on tractive ware body 1, rotates on the tractive ware body 1 and installs winding roller 2, be equipped with on the winding roller 2 be used for with 1 complex locking portion 21 of tractive ware body, the tractive ware body 1 is installed and is used for locking portion 21 press fit so that its and 1 friction stall complex retaining member of tractive ware body. In this embodiment, the retractor is further provided with a spring, a pressing member, and other components, and the structure of the retractor is the same as that of the retractor disclosed in chinese patent application publication No. CN110432994A, and is not described again.
In the present embodiment, the locking portion 21 extends outward in the radial direction of the winding roller 2, and the locking member is a locking cap 5 for pressing the locking portion 21. Specifically, the locking portion 21 is a flanged structure extending radially outward toward the winding roller 2, and the bottom of the locking cap 5 is press-fitted in the flanged structure. The matching area is increased by the matching of the locking cap 5 and the flanging, the friction force during locking is increased, and the reliability during locking is ensured.
In order to facilitate the fixing of the locking cap 5, in this embodiment, the locking cap 5 is installed on the retractor body 1 in a threaded manner, that is, an internal thread 51 is provided on the inner wall of the locking cap, and an external thread is provided on the matching sleeve. During locking, the locking cap 5 is screwed, and the bottom of the locking cap 5 applies extrusion force to the flanging structure, so that friction force is generated between the locking cap 5 and the flanging structure and between the flanging structure and the retractor body 1, and the friction force enables the winding roller 2 to be locked in a rotation stopping manner; when the wire winding roller is unlocked, the locking cap 5 is loosened, friction force contacts at the moment, and the wire winding roller 2 can rotate, so that the wire is loosened or wound to pull wires.
The matching sleeve 4 is installed on the retractor body 1, the winding roller 2 is rotatably assembled in the inner cavity of the matching sleeve 4, and the locking part 21 is matched with the end face of the matching sleeve 4. Specifically, the fitting sleeve 4 may be forcibly fitted on the retractor body 1, or may be fitted on the retractor body 1 by means of a thread or welding. The purpose of arranging the matching sleeve 4 is to form a bulge on the retractor body 1, so that the flanging of the winding roller 2 can be matched with the end face of the matching sleeve 4 to generate the friction force required by locking. Certainly, the matching sleeve 4 is not arranged, the protrusion needs to be directly arranged on the retractor body 1 at the moment, and the matching sleeve 4 is arranged to enable the matching sleeve 4 and the retractor body 1 to be assembled and assembled after being manufactured independently, so that the difficulty in machining and manufacturing is reduced.
In order to increase the friction force and simultaneously avoid the winding roller 2 from rapidly rotating under the action of the tension when the locking cap 5 is loosened, in the embodiment, a damping cushion is arranged between the locking part and the retractor body 1, and the damping cushion is a rubber cushion. Specifically, the damping pads are two, namely a first damping pad 23 arranged between the outer end face of the flanging structure and the bottom of the locking cap 5 and a second damping pad 24 arranged between the inner end face of the flanging structure and the end face of the matching sleeve 4, the damping force can be effectively increased through the matching of the two damping pads, the locking reliability is guaranteed, and the winding roller 2 is prevented from rapidly rotating during unlocking. Meanwhile, the locking part can be limited in the locking cap 5, so that the influence on reliability caused by the fact that objects in the external environment enter the locking position is avoided.
In order to facilitate the operation of the winding roller 2, the winding roller 2 has an operating part which is suspended outside the retractor body 1 and on which an operating sleeve 3 is rotatably fitted. The use of the operating sleeve 3 enables the diameter of the winding roller 2 to be increased, thereby facilitating the operation. Meanwhile, the winding roller 2 and the operation sleeve 3 can be assembled at the time of installation, so that the assembly is convenient.
In the present embodiment, the winding roller 2 may be engaged with the operation sleeve 3 through a prism structure or a spline structure, and the prism structure or the spline structure is disposed on the rotation stopping portion 25. Specifically, the operation sleeve 3 is fitted around the winding roller and then is engaged with the collar 22, so that the operation sleeve 3 is restricted on the winding roller, thereby preventing the operation sleeve 3 from being loosened and falling off.
The stepless adjusting tissue retractor of the utility model screws the locking cap when locking, the bottom of the locking cap exerts extrusion force on the flanging structure on the winding roller, and under the action of the extrusion force, the friction force among the locking cap, the flanging structure and the matching sleeve leads the winding roller to be locked by rotation stopping, and the rotation cannot occur; when the locking cap is loosened, the friction force cannot be relieved instantly due to the effect of the damping pad, the winding roller is prevented from rolling back rapidly, when the locking cap is loosened to a certain degree, the winding roller is still kept in a locking state under the action of the friction force, the operation sleeve is operated at the moment, the friction force is overcome by driving force, the winding roller can still be rotated, and therefore wire winding or wire loosening operation can be carried out. Because the friction force is adopted for rotation stopping matching during locking, the locking of the winding roller at any angle can be realized, stepless adjustment is realized, and the applicability of the tractor is improved.
In other embodiments of the present invention, the locking member may further adopt a locking screw, and the locking screw acts as a set screw to directly set the outer peripheral surface of the winding roller; a tapered hole can be formed in the matching sleeve or the retractor body 1, an inserting sleeve capable of being inserted into the tapered hole is arranged on the locking cap, and extrusion force is applied to the winding roller through the extrusion matching of the inserting sleeve and the tapered hole; the locking cap can be matched with the matching sleeve or the retractor body in a curved groove staple bolt mode; the damping pad can also be made of other materials, such as silica gel.
When the retractor of the utility model is used, the retractor can be used in cooperation with a steel needle, the steel needle is worn on the skin at the two sides of the wound at the moment, and the stay wire is wound around the two steel needles and the redundant part of the stay wire is connected to the skin retractor at the moment; in addition, when the wound retractor is used, a steel needle is not used, the retractor directly penetrates the pull wire around the skin at the edge of the wound, and meanwhile, the redundant parts at the two ends of the pull wire are wound on the retractor, so that the wound is directly pulled through one pull wire.
The tissue of the present invention is human tissue, including skin, blood vessel, nerve, tendon, muscle, joint capsule, ligament, bone, etc., that is, the tissue traction system and the tissue traction device of the present invention can all perform traction on these tissues.
The utility model discloses a stepless regulation tissue tractive ware, the structure of the stepless regulation tissue tractive ware in the embodiment of stepless regulation tissue tractive ware and above-mentioned tissue tractive system is the same, no longer gives unnecessary details.
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 (10)
1. Electrodeless regulation tissue tractive ware is in including tractive ware body and setting elastic component on the tractive ware body, rotate on the tractive ware body and install winding roller, its characterized in that: the winding roller is provided with a locking part used for being matched with the retractor body, and the retractor body is provided with a locking part which is used for matching the locking part in a pressing manner so as to enable the locking part to be in friction rotation stopping matching with the retractor body.
2. The stepless adjustable tissue retractor of claim 1, wherein: the locking part is to the radial outside extension of winding roller, the retaining member is for being used for right the extruded locking cap of locking part.
3. The stepless adjustable tissue retractor of claim 2, wherein: the locking portion is a flanging structure extending outwards in the radial direction of the winding roller, and the bottom of the locking cap is in extrusion fit with the flanging structure.
4. The stepless adjustable tissue retractor according to claim 2 or 3, wherein: the locking cap is installed on the retractor body in a threaded mode.
5. The infinitely adjustable tissue retractor according to any of claims 1-3, wherein: the retractor body is provided with a matching sleeve, the winding roller is rotatably assembled in an inner cavity of the matching sleeve, and the locking part is matched with the end face of the matching sleeve.
6. The infinitely adjustable tissue retractor according to any of claims 1-3, wherein: and a damping pad is arranged between the locking part and the retractor body.
7. The stepless adjustable tissue retractor according to claim 6, wherein: the damping pad is a rubber pad.
8. The infinitely adjustable tissue retractor according to any of claims 1-3, wherein: the winding roller is provided with an operation part which is suspended outside the retractor body, and an operation sleeve is rotatably arranged on the operation part.
9. The stepless adjustable tissue retractor of claim 8, wherein: and the winding roller is in rotation stopping fit with the operating sleeve through a prismatic structure or a spline structure.
10. A tissue retraction system, characterized by: comprising a stepless adjusting tissue retractor and a pull wire, wherein the stepless adjusting tissue retractor is the stepless adjusting tissue retractor disclosed by any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293700.5U CN212788588U (en) | 2020-03-11 | 2020-03-11 | Stepless regulation tissue traction device and tissue traction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020293700.5U CN212788588U (en) | 2020-03-11 | 2020-03-11 | Stepless regulation tissue traction device and tissue traction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212788588U true CN212788588U (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020293700.5U Active CN212788588U (en) | 2020-03-11 | 2020-03-11 | Stepless regulation tissue traction device and tissue traction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212788588U (en) |
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2020
- 2020-03-11 CN CN202020293700.5U patent/CN212788588U/en active Active
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