CN211534860U - Skin traction system and skin traction device thereof - Google Patents
Skin traction system and skin traction device thereof Download PDFInfo
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- CN211534860U CN211534860U CN201921120786.5U CN201921120786U CN211534860U CN 211534860 U CN211534860 U CN 211534860U CN 201921120786 U CN201921120786 U CN 201921120786U CN 211534860 U CN211534860 U CN 211534860U
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- winding roller
- skin
- locking
- retractor
- sleeve
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Abstract
The utility model relates to a skin tractive system and skin tractive ware thereof. The utility model discloses a skin tractive ware is when using, rotate the winding roller and twine the stay wire on the winding roller, the winding roller is in the locking position, realize locking through the structure of splining and cooperation structure cooperation, thereby prevent that the winding roller from returning back, when needs are not hard up to act as go-between, promote the winding roller along the winding roller, make it move from the locking displacement to unblock position, the structure of splining like this breaks away from the cooperation with cooperation structure, the winding roller is in free state, the stay wire is not hard up from the winding roller and breaks away from under the effect of reverse action, thereby realize not hard up of acting as go-between. The utility model discloses a skin tractive ware only need axial displacement winding roller when unblock and locking can, need not to operate convenient operation during the use to other parts.
Description
Technical Field
The utility model relates to a skin tractive system and skin tractive ware thereof.
Background
When skin tissue is damaged, the skin needs to be stretched by means of a special medical instrument, so that the damaged skin can grow under the action of tension until a wound surface is healed. The skin retractor is an apparatus capable of realizing the function, for example, chinese patent document with application publication number CN109480942A discloses a skin retractor, which is to thread two steel needles on the skin on both sides of a wound, simultaneously thread two steel needles through a pull wire to exert a pulling force on the two steel needles, wind the free end of the pull wire on a winding roller of the retractor, adjust the length of the pull wire wound on the winding roller by rotating the winding roller, thereby adjust the pulling force of the pull wire, the volume of the pull wire is small, the overlapping and crossing are convenient, accidental touch of a patient during use is avoided, the safety is high, and the pull wire is adopted to facilitate the traction of an opposite wound. The locking mechanism of the winding roller of the tractor specifically adopts the locking sleeve and the square structure on the winding roller to realize locking, when in use, the winding roller is required to be operated, and the locking between the winding roller and the winding roller can be realized only by operating the locking sleeve simultaneously, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model provides a skin retractor, which solves the technical problem that the prior skin retractor is inconvenient to operate; and simultaneously, the utility model also provides a skin tractive system of using above-mentioned skin tractive ware.
The utility model discloses a skin tractive ware adopts following technical scheme:
the skin retractor comprises a retractor body with an installation cavity extending along the vertical direction, a jacking part arranged in the installation cavity, and an elastic part used for providing elastic force for the jacking part, the retractor body is rotatably assembled with a wire winding roller for winding corresponding pull wires, the jacking piece is provided with a pull wire channel which is communicated with the mounting cavity and used for the corresponding pull wires to pass through, the winding roller is connected with a locking mechanism for locking the winding roller, the locking mechanism comprises a rotation stopping structure arranged on the winding roller and a matching structure which can be matched with the rotation stopping structure and is arranged on the retractor body, the winding roller is in guide movable fit with the retractor body along the axial direction of the winding roller and is provided with a locking position where the rotation stopping structure is matched with the matching structure and an unlocking position where the rotation stopping structure is separated from the matching structure.
And the winding roller is connected with a locking elastic piece which keeps the winding roller in a locking position.
One end of the winding roller is suspended to the outside of the retractor body and is provided with an operating sleeve, and the locking elastic piece is sleeved on the winding roller and is positioned in an inner cavity of the operating sleeve.
The retractor body is provided with a guide structure for guiding the winding roller to move between a locking position and an unlocking position along the axial direction of the winding roller.
The guiding structure is a guiding sleeve sleeved on the winding roller, one end of the guiding sleeve extends into the inner cavity of the operating sleeve, the other end of the guiding sleeve is pressed against the retractor body, and the locking elastic piece is a cylindrical spring pressed between the guiding sleeve and the operating sleeve.
And a gasket arranged at one end of the cylindrical spring, which deviates from the guide sleeve, is arranged on the winding roller.
The rotation stopping structure is a prismatic structure arranged on the winding roller, and the matching structure is a matching groove arranged on the retractor body and matched with the prismatic structure.
The prismatic structure is a hexagonal prismatic structure.
The utility model discloses a skin tractive system adopts following technical scheme:
the skin traction system comprises a skin tractor and two steel needles which are used for being worn on the skin on two sides of wound skin, a pull wire is arranged between the two steel needles in a penetrating manner, the skin tractor comprises a tractor body with an installation cavity extending along the vertical direction, a jacking part arranged in the installation cavity and an elastic part used for providing elastic force for the jacking part, a winding roller used for winding the corresponding pull wire is assembled on the tractor body in a rotating manner, the jacking part is provided with a pull wire channel communicated with the installation cavity and used for allowing the corresponding pull wire to pass through, a locking mechanism used for locking the winding roller is connected onto the winding roller and comprises a rotation stopping structure arranged on the winding roller and a matching structure capable of being matched with the rotation stopping structure and arranged on the tractor body, and the winding roller is matched with the tractor body in a guiding and moving manner along the axial direction of the winding roller and provided with a locking position matched with the rotation stopping structure and the matching structure and a matched locking position The rotation stopping structure and the matching structure are separated from the matched unlocking position.
And the winding roller is connected with a locking elastic piece which keeps the winding roller in a locking position.
One end of the winding roller is suspended to the outside of the retractor body and is provided with an operating sleeve, and the locking elastic piece is sleeved on the winding roller and is positioned in an inner cavity of the operating sleeve.
The retractor body is provided with a guide structure for guiding the winding roller to move between a locking position and an unlocking position along the axial direction of the winding roller.
The guiding structure is a guiding sleeve sleeved on the winding roller, one end of the guiding sleeve extends into the inner cavity of the operating sleeve, the other end of the guiding sleeve is pressed against the retractor body, and the locking elastic piece is a cylindrical spring pressed between the guiding sleeve and the operating sleeve.
And a gasket arranged at one end of the cylindrical spring, which deviates from the guide sleeve, is arranged on the winding roller.
The rotation stopping structure is a prismatic structure arranged on the winding roller, and the matching structure is a matching groove arranged on the retractor body and matched with the prismatic structure.
The prismatic structure is a hexagonal prismatic structure.
The utility model has the advantages that: the utility model discloses a skin tractive ware is when using, rotate the winding roller and twine the stay wire on the winding roller, the winding roller is in the locking position, realize locking through the structure of splining and cooperation structure cooperation, thereby prevent that the winding roller from returning back, when needs are not hard up to act as go-between, promote the winding roller along the winding roller, make it move from the locking displacement to unblock position, the structure of splining like this breaks away from the cooperation with cooperation structure, the winding roller is in free state, the stay wire is not hard up from the winding roller and breaks away from under the effect of reverse action, thereby realize not hard up of acting as go-between. The utility model discloses a skin tractive ware only need axial displacement winding roller when unblock and locking can, need not to operate convenient operation during the use to other parts.
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 a skin retractor in an embodiment of the skin retraction system of the present invention;
FIG. 2 is a schematic structural view of the operating sleeve of FIG. 1;
FIG. 3 is a perspective view of FIG. 2;
fig. 4 is a schematic structural view of the fixing sleeve;
FIG. 5 is a schematic structural view of the guide sleeve;
fig. 6 is a schematic structural view of the winding roller:
in the figure: 1. an operating sleeve; 2. a gasket; 3. a winding roller; 4. locking the elastic piece; 5. a guide sleeve; 6. fixing a sleeve; 7. an elastomeric gasket; 8. a fixed tube; 9. an elastic member; 10. a piston taper tube; 31. a rotation stopping structure; 61. a mating structure; 11. an inner cavity of the operating sleeve; 12. a threaded hole; 13. a step surface; 14. a plane; 32. a threaded segment.
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 embodiment of the skin traction system of the utility model, as shown in fig. 1 to fig. 6, the skin traction system comprises a skin traction device and two steel needles for wearing on the skin on both sides of the wound skin, a pull wire is threaded between the two steel needles, the skin traction device comprises a traction device body with an installation cavity extending along the up-and-down direction, a top pressure piece arranged in the installation cavity, an elastic piece 9 for providing elastic force to the top pressure piece, the elastic piece 9 is a cylindrical spring, a winding roller 3 for winding the corresponding pull wire is rotatably assembled on the traction device body, the top pressure piece is provided with a pull wire channel communicated with the installation cavity and used for passing the corresponding pull wire, a locking mechanism for locking the winding roller 3 is connected with the winding roller 3, the locking mechanism comprises a rotation stopping structure arranged on the winding roller 3 and a matching structure 61 capable of matching with the rotation stopping structure 31 and arranged on the traction device body, the winding roller 3 is guided and movably engaged with the retractor body in the axial direction thereof and has a locking position where the rotation stopping structure 31 is engaged with the engaging structure 61 and an unlocking position where the rotation stopping structure 31 is disengaged from the engaging structure 61.
In this embodiment, the retractor body is a split structure, and comprises a fixed sleeve 6 and a fixed pipe 8 which are in interference fit.
In this embodiment, the winding roller 3 is connected with a locking elastic member 4 for keeping the winding roller in a locking position, so that the winding roller 3 can be kept in the locking position, thereby avoiding the winding roller 3 from being loosened accidentally.
In order to facilitate the operation of the winding roller, in the embodiment, one end of the winding roller is suspended outside the retractor body and is provided with the operating sleeve 1, and the locking elastic piece 4 is sleeved on the winding roller and is positioned in the inner cavity of the operating sleeve 1. In this embodiment, the operating sleeve 1 and the winding roller are detachably connected through a thread structure, so that later assembly is facilitated. The inner cavity of the operating sleeve 1 is of a step hole structure, a threaded hole 12 at the rear end is used for being in threaded fit with the winding roller, and a step surface 13 is used for positioning. The outer circumference of the operating sleeve 1 is provided with a flat surface 14, which is formed into a flat structure, so that the operating sleeve can be conveniently rotated.
In this embodiment, in order to facilitate the circumferential movement of the winding roller, a guiding structure is disposed on the retractor body and guides the winding roller to move between the locking position and the unlocking position along the axial direction of the winding roller, specifically, the guiding structure is a guiding sleeve 5 sleeved on the winding roller, one end of the guiding sleeve 5 extends into the inner cavity of the operating sleeve 1, the other end of the guiding sleeve 5 is pressed against the retractor body, and the locking elastic member 4 is a cylindrical spring pressed between the guiding sleeve 5 and the operating sleeve 1. The winding roller is provided with a gasket 2 arranged at one end of the cylindrical spring, which is far away from the guide sleeve 5, and the gasket 2 can block the limiting operation sleeve 1 to limit the limiting operation sleeve.
During specific tractive operation, at first need press operating sleeve 1 and make the operating sleeve drive the winding roller and overcome cylindricality spring's elasticity and axial displacement, operating sleeve and winding roller all move for the uide bushing this moment to spline structure 31 and break away from cooperation structure 61, then rotate the winding roller through the operating sleeve, will act as go-between and twine on the winding roller, the back that targets in place is put around the line, reduces the power to operating sleeve axial ascending, and the elasticity of cylindricality spring makes the winding roller reset and is in and splines locking state this moment.
In order to reduce the processing complexity of the rotation stopping structure 31, in the present embodiment, the rotation stopping structure 31 is a prismatic structure disposed on the winding roller, and the engaging structure 61 is an engaging groove disposed on the retractor body and engaged with the prismatic structure. In particular, the prismatic structure is a hexagonal structure, which facilitates control of the locking angle of the winding roller, thereby providing a more accurate pulling force. One section of winding roller is equipped with and is used for with screw hole complex screw thread section, realizes releasable connection between the two.
The utility model discloses a skin tractive ware is when using, rotate the winding roller and twine the stay wire on the winding roller, the winding roller is in the locking position, realize locking through the structure of splining and cooperation structure cooperation, thereby prevent that the winding roller from returning back, when needs are not hard up to act as go-between, promote the winding roller along the winding roller, make it move from the locking displacement to unblock position, the structure of splining like this breaks away from the cooperation with cooperation structure, the winding roller is in free state, the stay wire is not hard up from the winding roller and breaks away from under the effect of reverse action, thereby realize not hard up of acting as go-between. The utility model discloses a skin tractive ware only need axial displacement winding roller when unblock and locking can, need not to operate convenient operation during the use to other parts.
In other embodiments of the present invention, the locking elastic member may also be a belleville spring; the position of the locking elastic piece can also be arranged between the rotation stopping structure and the fixed sleeve; the guide structure can also be integrated with the fixed sleeve; the rotation stopping structure can also be a locking pin arranged on the winding roller, the locking pin extends along the radial direction of the winding roller, a clamping groove used for matching the locking pin is arranged on the fixed sleeve, and the number of the clamping grooves can be multiple; the prismatic structure can also be a quadrangular prismatic structure or an elliptical structure; the rotation stopping structure can also adopt a tooth-shaped structure.
The utility model discloses an embodiment of skin tractive ware, the skin tractive ware is the same with the structure of the skin tractive ware in the embodiment of above-mentioned skin tractive system, 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 (9)
1. Skin tractive ware, including have along the installation cavity that extends from top to bottom the tractive ware body and setting be in roof pressure piece in the installation cavity, be used for to the elastic component that the roof pressure piece provided the elastic force, it is equipped with the wire winding roller that is used for twining corresponding acting as go-between to rotate on the tractive ware body, the roof pressure piece have with the installation cavity intercommunication, be used for supplying the corresponding passageway of acting as go-between that passes through of acting as go-between, be connected with the locking mechanism who is used for its locking on the wire winding roller, its characterized in that: the locking mechanism comprises a rotation stopping structure arranged on the winding roller and a matching structure capable of being matched with the rotation stopping structure and arranged on the puller body, the winding roller is matched with the puller body in a guiding and moving mode along the axial direction of the winding roller and is provided with a locking position matched with the rotation stopping structure and the matching structure and an unlocking position disengaged from the rotation stopping structure and the matching structure.
2. The skin retractor of claim 1 wherein: and the winding roller is connected with a locking elastic piece which keeps the winding roller in a locking position.
3. The skin retractor of claim 2, wherein: one end of the winding roller is suspended to the outside of the retractor body and is provided with an operating sleeve, and the locking elastic piece is sleeved on the winding roller and is positioned in an inner cavity of the operating sleeve.
4. The skin retractor of claim 3 wherein: the retractor body is provided with a guide structure for guiding the winding roller to move between a locking position and an unlocking position along the axial direction of the winding roller.
5. The skin retractor of claim 4 wherein: the guiding structure is a guiding sleeve sleeved on the winding roller, one end of the guiding sleeve extends into the inner cavity of the operating sleeve, the other end of the guiding sleeve is pressed against the retractor body, and the locking elastic piece is a cylindrical spring pressed between the guiding sleeve and the operating sleeve.
6. The skin retractor of claim 5 wherein: and a gasket arranged at one end of the cylindrical spring, which deviates from the guide sleeve, is arranged on the winding roller.
7. The skin retractor according to any of claims 1-6 wherein: the rotation stopping structure is a prismatic structure arranged on the winding roller, and the matching structure is a matching groove arranged on the retractor body and matched with the prismatic structure.
8. The skin retractor of claim 7 wherein: the prismatic structure is a hexagonal prismatic structure.
9. Skin traction system, including skin tractive ware and two steel needles that are used for wearing on wound skin both sides skin, wear to be equipped with between two steel needles and act as go-between, its characterized in that: the skin retractor according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120786.5U CN211534860U (en) | 2019-07-17 | 2019-07-17 | Skin traction system and skin traction device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921120786.5U CN211534860U (en) | 2019-07-17 | 2019-07-17 | Skin traction system and skin traction device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211534860U true CN211534860U (en) | 2020-09-22 |
Family
ID=72487937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921120786.5U Active CN211534860U (en) | 2019-07-17 | 2019-07-17 | Skin traction system and skin traction device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211534860U (en) |
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2019
- 2019-07-17 CN CN201921120786.5U patent/CN211534860U/en active Active
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