CN109480942B - Skin retractor and skin retraction system using the same - Google Patents
Skin retractor and skin retraction system using the same Download PDFInfo
- Publication number
- CN109480942B CN109480942B CN201811644053.1A CN201811644053A CN109480942B CN 109480942 B CN109480942 B CN 109480942B CN 201811644053 A CN201811644053 A CN 201811644053A CN 109480942 B CN109480942 B CN 109480942B
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- mounting
- skin
- retractor
- stay wire
- winding roller
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- 238000004804 winding Methods 0.000 claims abstract description 58
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000005491 wire drawing Methods 0.000 claims description 2
- 206010052428 Wound Diseases 0.000 description 22
- 208000027418 Wounds and injury Diseases 0.000 description 22
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010072170 Skin wound Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
Abstract
The present invention relates to a skin retractor and a skin retraction system using the same. When the skin retractor is used, two steel needles are penetrated on the skin at two sides of a wound, traction force is applied to the two steel needles by penetrating the two steel needles through the stay wire, the free end of the stay wire is wound on a winding roller of the retractor, and the length of the stay wire wound on the winding roller is adjusted by rotating the winding roller, so that the tension of the stay wire is adjusted, the stay wire is small in volume and convenient to overlap and cross, accidental touching of a patient during use is avoided, safety is high, and the opposite wound is conveniently pulled by adopting the stay wire.
Description
Technical Field
The present invention relates to a skin retractor and a skin retraction system using the same.
Background
At present, when skin tissues are damaged, the skin is required to be expanded by medical means, so that the damaged skin can grow under the action of expansion force until the wound surface heals. In the prior art, a skin traction device is generally adopted to realize traction and expansion of skin, for example, chinese patent literature with an authorized bulletin number of CN103654893B discloses a medical adjustable wound suture device, namely, the skin traction device, the suture device comprises a first fixed block and a second fixed block which are arranged on skin at two sides of a wound, suture holes are formed in the first fixed block and the second fixed block, a stay wire is arranged on the first fixed block, the stay wire is a surgical medical wire, the second fixed block is of a hollow structure, a spring is arranged in the second fixed block, one end of the spring is connected with the second fixed block, the other end of the spring is connected with a push rod, a hole is formed in one symmetrical side face of the second fixed block, and the stay wire penetrates through the stay wire hole at one side of the second fixed block and then passes through the stay wire hole at the other side of the second fixed block after penetrating through the stay wire hole at one side of the second fixed block. The invention adopts the movable surgical medical stay wire to continuously draw the wound edge, so that the wound is gradually closed. The suture instrument needs to properly adjust the tension degree of the stay wire according to the tissue swelling degree of a patient every day by a doctor, if the tension is too high, the stay wire is loosened, and if the tension is reduced, the stay wire is tensioned, so that the experience requirement on the doctor is very high, and if the doctor judges that the suture instrument is wrong, the wound healing can be influenced.
There is also in the prior art a skin retractor capable of displaying tension force, the skin retractor system comprising a shank fixation system and a retractor steel needle, the shank fixation system comprising an adjustment assembly and a fixation hook device, wherein the adjustment assembly comprises: the device comprises a threaded rod, a fixed wheel nut, a pressure regulating component, a pressure regulating spring, a sliding sleeve and a fixed nut; the pressure of the pressure regulating component applied to the pressure regulating spring is read through a sliding sleeve pressure scale through the cooperation of the pressure regulating component, the pressure regulating spring and the sliding sleeve; the fixed hook device is arranged between the sliding sleeve and the fixed nut and comprises a body part and a hook part, wherein the body part and the hook part are in threaded connection or fastening connection or integrated into one piece. When the skin retractor is used, the steel needles are penetrated into the skin, then the two steel needles are pulled and tensioned through the hook rod fixing system, and the pressure is adjusted and displayed through the adjusting component of the hook rod fixing system. As described above, in the use of the skin retractor, a hook rod fixing system needs to be built on a skin wound, and when the shape of the wound is abnormal, a plurality of hook rod fixing systems are needed to be matched to realize the expansion of the wound, so that a plurality of hook rod fixing systems can appear on one wound, on one hand, the layout of the excessive hook rod fixing systems is very limited, on the other hand, the hook rod fixing systems are easy to accidentally touch in the use process, the safety is poor, the device of the hook rod fixing system has a large weight, and the expansion of the wound is also influenced by the deviation of the gravity center position of the device of the hook rod fixing system.
Disclosure of Invention
The invention provides a skin traction system which aims at solving the problem that the existing skin traction device is poor in safety; meanwhile, the invention also provides a skin retractor in the skin retractor system.
The skin retractor adopts the following technical scheme:
the skin retractor comprises a retractor body with a mounting cavity extending along the up-down direction, wherein a pressing piece and an elastic piece for providing elastic force for the pressing piece are assembled in the mounting cavity in a guiding and moving mode, a limiting structure for preventing the pressing piece from being separated from the mounting cavity is arranged on the retractor body, the pressing piece is provided with a head which extends out of the lower portion of the mounting cavity and is used for being in pressing fit with a corresponding steel needle, the pressing piece is provided with a stay wire channel which is communicated with the mounting cavity and is used for allowing a corresponding stay wire to pass through, a winding roller which penetrates into the mounting cavity and is used for winding the corresponding stay wire is further rotatably assembled at the upper side position of the retractor body, and a locking mechanism for locking the winding roller is arranged on the retractor body.
The retractor body comprises a mounting barrel extending along the up-down direction, the inner cavity of the mounting barrel forms the mounting cavity, the limiting structure is an inward turning edge arranged at the lower position of the mounting barrel, an opening used for the pressing piece to enter the mounting cavity is formed in the upper portion of the mounting barrel, and a mounting sleeve used for mounting the winding roller is arranged at the upper position of the mounting barrel.
The installation sleeve is provided with an installation hole, and the upper part of the installation cylinder is inserted into the installation hole.
The mounting cylinder is in interference fit with the mounting hole, and a stop table matched with the end part of the mounting cylinder is arranged in the mounting hole.
The locking mechanism comprises a locking sleeve which is rotatably arranged on the retractor body, a penetrating channel which is used for the winding roller to penetrate through is arranged on the locking sleeve, a rotation stopping structure is arranged on the winding roller, the penetrating channel is provided with a locking part and an unlocking part, and the locking sleeve is provided with a locking position which is used for enabling the locking part to be matched with the rotation stopping structure and an unlocking position which is used for enabling the unlocking part to be matched with the rotation stopping structure.
The winding roller is provided with a winding part used for winding the stay wire and an operating part which is positioned outside the retractor body and used for operation, and the winding part is provided with a perforation used for the stay wire to pass through.
The elastic piece is a cylindrical spring arranged in the mounting cavity.
And a penetrating channel penetrating the stay wire channel and used for inserting a torsion piece between two stay wires in the stay wire channel is arranged at the head part of the pressing piece.
An indication scale for displaying the traction force is arranged on the outer wall of the pressing piece.
The skin traction system adopts the following technical scheme:
skin traction system includes skin tractor and two steel needles that are used for wearing on the wound both sides skin, wears to be equipped with the acting as go-between two steel needles, and skin tractor includes the tractor body that has the installation chamber that extends along the upper and lower direction, guide movement is equipped with the top casting die in the installation chamber, is used for providing elastic force's elastic component to the top casting die, be equipped with on the tractor body and be used for preventing the top casting die is deviate from the limit structure in the installation chamber, the top casting die has to stretch out to the installation chamber lower part be used for with corresponding steel needle top press fit's head, and the top casting die has with the installation chamber intercommunication be used for the acting as go-between of corresponding acting as go-between, the upside position department of tractor body is still rotated and is equipped with the wire winding roller that goes deep into in the installation chamber, be equipped with on the tractor body and be used for locking the wire winding roller, the free end of acting as go-between is passed the passageway and is twined on the wire winding roller.
The retractor body comprises a mounting barrel extending along the up-down direction, the inner cavity of the mounting barrel forms the mounting cavity, the limiting structure is an inward turning edge arranged at the lower position of the mounting barrel, an opening used for the pressing piece to enter the mounting cavity is formed in the upper portion of the mounting barrel, and a mounting sleeve used for mounting the winding roller is arranged at the upper position of the mounting barrel.
The installation sleeve is provided with an installation hole, and the upper part of the installation cylinder is inserted into the installation hole.
The mounting cylinder is in interference fit with the mounting hole, and a stop table matched with the end part of the mounting cylinder is arranged in the mounting hole.
The locking mechanism comprises a locking sleeve which is rotatably arranged on the retractor body, a penetrating channel which is used for the winding roller to penetrate through is arranged on the locking sleeve, a rotation stopping structure is arranged on the winding roller, the penetrating channel is provided with a locking part and an unlocking part, and the locking sleeve is provided with a locking position which is used for enabling the locking part to be matched with the rotation stopping structure and an unlocking position which is used for enabling the unlocking part to be matched with the rotation stopping structure.
The winding roller is provided with a winding part used for winding the stay wire and an operating part which is positioned outside the retractor body and used for operation, and the winding part is provided with a perforation used for the stay wire to pass through.
The elastic piece is a cylindrical spring arranged in the mounting cavity.
And a penetrating channel penetrating the stay wire channel and used for inserting a torsion piece between two stay wires in the stay wire channel is arranged at the head part of the pressing piece.
An indication scale for displaying the traction force is arranged on the outer wall of the pressing piece.
The wire drawing device further comprises a guide needle used for guiding the free end of the wire to pass through the wire, and one end of the guide needle is provided with a hook used for hooking the wire.
The beneficial effects of the invention are as follows: when the skin retractor is used, two steel needles are penetrated on the skin at two sides of a wound, traction force is applied to the two steel needles by penetrating the two steel needles through the stay wire, the free end of the stay wire is wound on a winding roller of the retractor, and the length of the stay wire wound on the winding roller is adjusted by rotating the winding roller, so that the tension of the stay wire is adjusted, the stay wire is small in volume and convenient to overlap and cross, accidental touching of a patient during use is avoided, safety is high, and the opposite wound is conveniently pulled by adopting the stay wire.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic view showing the structure of a skin retractor in embodiment 1 of the skin retraction system of the present invention;
FIG. 2 is a schematic view of the internal structure of the skin retractor of FIG. 1;
FIG. 3 is a schematic view of the ram of FIG. 1;
FIG. 4 is a schematic view of the internal structure of the ram;
FIG. 5 is a schematic view of the mounting cartridge of FIG. 1;
FIG. 6 is a schematic view of the internal structure of the mounting cylinder;
FIG. 7 is a schematic view of the mounting sleeve of FIG. 1;
FIG. 8 is a schematic view of the construction of the mounting sleeve;
FIG. 9 is a schematic view of the wire-wound roll of FIG. 1;
FIG. 10 is a schematic view of the locking collar of FIG. 1;
FIG. 11 is a schematic view of the structure of the introducer needle;
FIG. 12 is a schematic view of the hook on the introducer needle;
fig. 13 is a schematic structural view of a skin retractor in embodiment 2 of the skin retraction system of the present invention;
fig. 1 to 12 correspond to embodiment 1, in which: 1. a pressing piece; 2. a mounting cylinder; 3. a locking sleeve; 4. a wire winding roller; 5. a mounting sleeve; 6. a guide needle; 11. a head; 12. an arc surface; 13. a pull wire channel; 14. an everting edge; 21. an inversion edge; 22. an opening at the lower end; 31. a baffle; 32. a locking part; 33. an unlocking part; 41. a winding part; 42. perforating; 43. a rotation stopping structure; 51. a stop table; 52. a wire winding roller mounting hole; 61. a hook; 62. a torsion part.
Fig. 13 corresponds to example 2, in which: 011. a head; 012. and (5) putting through the channel.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In an embodiment 1 of the skin stretching system of the present invention, the skin stretching system comprises a skin stretching device and two steel needles for penetrating the skin on two sides of a wound, a pulling wire is penetrated between the two steel needles, the skin stretching device comprises a stretching device body with a mounting cavity extending along the up-down direction as shown in fig. 1 to 12, the mounting cavity is provided with a pressing piece 1 in a guiding movement manner, an elastic piece for providing elastic force for the pressing piece 1 is arranged on the stretching device body, a limiting structure for preventing the pressing piece 1 from being pulled out of the mounting cavity is arranged on the stretching device body, the pressing piece 1 is provided with a head 11 which extends to the lower part of the mounting cavity and is used for being in pressing fit with the corresponding steel needle, the pressing piece 1 is provided with a pulling wire channel 13 communicated with the mounting cavity and used for the corresponding pulling wire to pass through, a winding roller 4 for winding the corresponding pulling wire is also rotatably arranged at the upper side position of the stretching device body, a locking mechanism for locking the winding roller 4 is arranged on the stretching device body, and the free end of the pulling wire passes through the pulling wire channel 13 and is wound on the winding roller 4.
The retractor body comprises a mounting cylinder 2 extending along the up-down direction, the structure of the mounting cylinder 2 is as shown in fig. 5 and 6, the inner cavity of the mounting cylinder 2 forms a mounting cavity, the limiting structure is an inward turning edge 21 arranged at the lower position of the mounting cylinder 2, the upper part of the mounting cylinder 2 is provided with an opening for the pressing piece 1 to enter into the mounting cavity, in the embodiment, the mounting cavity is a cylindrical inner cavity, the upper end opening of the mounting cavity is used for mounting the pressing piece 1, and the lower end opening 22 at the inward turning edge 21 is used for the pressing piece 1 to extend downwards.
In the present embodiment, a mounting bush 5 for mounting the wire winding roller 4 is provided at an upper position of the mounting cylinder 2. The mounting sleeve 5 is structured as shown in fig. 7 and 8, and the mounting sleeve 5 is provided with a mounting hole in which the upper portion of the mounting cylinder 2 is inserted. Specifically, the mounting cylinder 2 is interference fit with the mounting hole, and a stopper stand 51 is provided in the mounting hole, which is stopper-fitted with the end of the mounting cylinder 2. The installation cylinder 2 and the installation sleeve 5 are arranged in a split mode and are connected through a strong-mounting structure, and therefore machining and assembling of parts are facilitated. The middle part of the installation sleeve 5 is provided with a through hole structure, so that the stay wire is conveniently wound on the winding roller 4.
In this embodiment, the locking mechanism includes a locking sleeve 3 rotatably disposed on the retractor body, the structure of the locking sleeve 3 is shown in fig. 10, a through channel for the winding roller 4 to pass through is provided on the locking sleeve 3, a rotation stopping structure 43 is provided on the winding roller 4, in this embodiment, the rotation stopping structure 43 specifically adopts a quadrangular prism structure, the through channel has a locking portion 32 and an unlocking portion 33, and the locking sleeve 3 has a locking position for matching the locking portion 32 with the rotation stopping structure 43 and an unlocking position for matching the unlocking portion 33 with the rotation stopping structure 43. The inner wall of the lower part of the locking sleeve 3 is also provided with a baffle table 31, and the baffle table 31 is used for being matched with the lower end surface of the mounting sleeve 5 in a blocking and limiting manner.
In the present embodiment, as shown in fig. 9, the wire winding roller 4 has a wire winding portion 41 for winding the wire and an operating portion for operation outside the retractor body, the wire winding portion 41 having a cylindrical structure for being rotatably fitted in the wire winding roller mounting hole 52, wherein a through hole 42 for passing the wire is provided at a position, and the operating portion having a cylindrical structure may be provided with anti-slip patterns on an outer periphery of the operating portion for convenience of operation.
In this embodiment, the elastic member is a cylindrical spring disposed in the mounting cavity, and the lower end of the cylindrical spring is configured to be in press fit with the upper end surface of the pressing member 1, and the upper end is configured to be in press fit with the stop table 51 of the mounting sleeve 5.
In this embodiment, as shown in fig. 3 and 4, the structure of the pressing member 1 is shown in fig. 3 and 4, the pressing member 1 is in a stepped shaft shape, the inside of the pressing member 1 is in a hollow structure for a pull wire to pass through, an everting edge 14 is arranged at the upper position of the pressing member 1 and is used for being in blocking fit with an everting edge 21 on the mounting cylinder 2, a head 11 is a thinner part, and an arc surface 12 is arranged at the outermost end of the head 11, so that the pressing fit with a steel needle is facilitated.
In this embodiment, in order to facilitate the control of the pulling force, an indication scale for displaying the pulling force is provided on the outer wall of the pressing member 1, and the compression amount of the spring can be read through the cooperation of the lower end surface of the mounting cylinder 2 and the indication scale, and different compression amounts correspond to different pulling forces.
In this embodiment, there is also included a guide needle 6 for guiding the free end of the wire to pass through the wire, the structure of which is shown in fig. 11 and 12, and one end of the guide needle 6 is provided with a hook 61 for hooking the wire. When the guide needle is used, the hook end of the guide needle 6 passes through the perforation and the skin retractor from top to bottom, the hook 61 of the guide needle extends out of the retractor, then the stay wire is hooked on the hook, the stay wire can pass through the perforation by pulling the stay wire upwards, and finally the guide needle is taken down to rotate the winding roller, so that the stay wire can be wound on the winding roller.
When the skin retractor is used, two steel needles are penetrated on the skin at two sides of a wound, traction force is applied to the two steel needles by penetrating the two steel needles through the stay wire, the free end of the stay wire is wound on a winding roller of the retractor, and the length of the stay wire wound on the winding roller is adjusted by rotating the winding roller, so that the tension of the stay wire is adjusted, the stay wire is small in volume and convenient to overlap and cross, accidental touching of a patient during use is avoided, safety is high, and the opposite wound is conveniently pulled by adopting the stay wire. The stay wire can be suture steel wire or other stay wires with certain strength in the specific use process.
In example 2 of the skin stretching system of the present invention, as shown in fig. 13, a penetrating passage 012 penetrating the stay passage for inserting a torsion member between two stays in the stay passage is provided at the head 011 position of the pressing member. When the skin retractor is specifically used, after the wound is closed at the later stage of retraction, the skin retractor needs to be taken down, at the moment, the torsion of a cylindrical structure is adopted to pass through the threading channel, the torsion piece passes through the space between the two stay wires, and the skin retractor is rotated at the moment, so that the two stay wires are twisted and knotted, and finally, the wound surface is left, the stay wires are prevented from being separated from the skin, and when the skin retractor is specifically used, one end, deviating from the hook, of the guide needle 6 in the embodiment 1 can be bent, so that the torsion part 62 is formed.
In other embodiments of the present invention, the mounting sleeve and the mounting cylinder may be integrally provided, and in this case, the lower end of the mounting cylinder may be provided as a split structure, so that the installation of the pressing member is facilitated, for example, a screw sleeve is provided at the lower end of the mounting cylinder; the mounting sleeve can also be inserted into the inner cavity of the mounting cylinder; the mounting sleeve and the mounting cylinder can be connected through a threaded structure or can be connected through adhesive; the locking sleeve is not arranged, a plurality of jacks are arranged on the retractor body at the moment, a plurality of jacks are also arranged on the operating wheel, when the retractor is required to be locked, the two jacks are connected through one bolt to enable the two jacks to be locked, and the jacks and the bolt form a locking mechanism; the elastic piece can also adopt a disc spring.
In the embodiment of the skin retractor of the present invention, the structure of the skin retractor is the same as that of the embodiment of the skin retractor system described above, and will not be described again.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. Skin retractor, its characterized in that: the traction device comprises a traction device body with a mounting cavity extending along the up-down direction, wherein a pressing piece is assembled in the mounting cavity in a guiding movement manner, an elastic piece is used for providing elastic force for the pressing piece, a limiting structure is arranged on the traction device body and used for preventing the pressing piece from being separated from the mounting cavity, the pressing piece is provided with a head part which extends out of the lower part of the mounting cavity and is used for being in pressing fit with a corresponding steel needle, the pressing piece is provided with a stay wire channel which is communicated with the mounting cavity and is used for allowing a corresponding stay wire to pass through, a winding roller which penetrates into the mounting cavity and is used for winding the corresponding stay wire is also rotatably assembled at the upper side position of the traction device body, and a locking mechanism used for locking the winding roller is arranged on the traction device body; the retractor body comprises a mounting barrel extending along the up-down direction, the inner cavity of the mounting barrel forms a mounting cavity, the limiting structure is an inward turning edge arranged at the lower position of the mounting barrel, an opening for the pressing piece to enter the mounting cavity is formed in the upper part of the mounting barrel, a mounting sleeve for mounting the winding roller is arranged at the upper position of the mounting barrel, and a through hole structure is arranged at the middle position of the mounting sleeve; the winding roller is provided with a winding part used for winding the stay wire and an operating part which is positioned outside the retractor body and used for operation, and a perforation used for the stay wire to pass through is arranged at the middle position of the winding part.
2. The skin retractor of claim 1, wherein: the installation sleeve is provided with an installation hole, and the upper part of the installation cylinder is inserted into the installation hole.
3. The skin retractor of claim 2, wherein: the mounting cylinder is in interference fit with the mounting hole, and a stop table matched with the end part of the mounting cylinder is arranged in the mounting hole.
4. A skin retractor according to any of claims 1-3, wherein: the locking mechanism comprises a locking sleeve which is rotatably arranged on the retractor body, a penetrating channel which is used for the winding roller to penetrate through is arranged on the locking sleeve, a rotation stopping structure is arranged on the winding roller, the penetrating channel is provided with a locking part and an unlocking part, and the locking sleeve is provided with a locking position which is used for enabling the locking part to be matched with the rotation stopping structure and an unlocking position which is used for enabling the unlocking part to be matched with the rotation stopping structure.
5. A skin retractor according to any of claims 1-3, wherein: the elastic piece is a cylindrical spring arranged in the mounting cavity.
6. A skin retractor according to any of claims 1-3, wherein: and a penetrating channel penetrating the stay wire channel and used for inserting a torsion piece between two stay wires in the stay wire channel is arranged at the head part of the pressing piece.
7. Skin traction system, including skin tractor and two steel needles that are used for wearing on the wound both sides skin, wear to be equipped with the acting as go-between two steel needles, skin tractor is according to any one of claims 1-6, the free end of acting as go-between passes the passageway of acting as go-between is twined on the winding roller.
8. The skin stretching system of claim 7, wherein: the wire drawing device further comprises a guide needle used for guiding the free end of the wire to pass through the wire, and one end of the guide needle is provided with a hook used for hooking the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811644053.1A CN109480942B (en) | 2018-12-29 | 2018-12-29 | Skin retractor and skin retraction system using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811644053.1A CN109480942B (en) | 2018-12-29 | 2018-12-29 | Skin retractor and skin retraction system using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109480942A CN109480942A (en) | 2019-03-19 |
| CN109480942B true CN109480942B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811644053.1A Active CN109480942B (en) | 2018-12-29 | 2018-12-29 | Skin retractor and skin retraction system using the same |
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| Country | Link |
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| CN (1) | CN109480942B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432994A (en) | 2019-07-17 | 2019-11-12 | 郑州壹毫米医药科技有限公司 | Skin drawing system and its skin drawing device |
| CN112168257A (en) * | 2020-10-30 | 2021-01-05 | 杭州中奥工业设计有限公司 | Flexible skin stretching system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198010A (en) * | 2010-09-29 | 2011-09-28 | 周星 | Implanted tongue traction device, traction plate, traction threads, tractor and method |
| CN204428087U (en) * | 2014-12-19 | 2015-07-01 | 中国人民解放军第四军医大学 | A kind of for peeling off the Multifunction operating appliances with tractive thyroid gland leaf |
| CN104826219A (en) * | 2015-04-25 | 2015-08-12 | 宋若怡 | Elastic skin expander and skin traction system and hook rod fixing system thereof |
| CN107374683A (en) * | 2017-01-14 | 2017-11-24 | 中国人民解放军第四医院 | A kind of skin-closure device |
| CN209611223U (en) * | 2018-12-29 | 2019-11-12 | 郑州壹毫米医药科技有限公司 | Skin drawing device and the skin drawing system for using the skin drawing device |
-
2018
- 2018-12-29 CN CN201811644053.1A patent/CN109480942B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198010A (en) * | 2010-09-29 | 2011-09-28 | 周星 | Implanted tongue traction device, traction plate, traction threads, tractor and method |
| CN204428087U (en) * | 2014-12-19 | 2015-07-01 | 中国人民解放军第四军医大学 | A kind of for peeling off the Multifunction operating appliances with tractive thyroid gland leaf |
| CN104826219A (en) * | 2015-04-25 | 2015-08-12 | 宋若怡 | Elastic skin expander and skin traction system and hook rod fixing system thereof |
| CN107374683A (en) * | 2017-01-14 | 2017-11-24 | 中国人民解放军第四医院 | A kind of skin-closure device |
| CN209611223U (en) * | 2018-12-29 | 2019-11-12 | 郑州壹毫米医药科技有限公司 | Skin drawing device and the skin drawing system for using the skin drawing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109480942A (en) | 2019-03-19 |
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