CN211270895U - Cable type skin stretching and closing device - Google Patents

Abstract

The utility model provides a cable formula skin draws a closing device. Comprises a cable, a skin traction mechanism, a locking mechanism and an adjusting mechanism; the cable bears the traction force of the skin pulled by the skin traction mechanism; the skin traction mechanism is fixed relative to the skin and the cable, and transmits traction force between the skin and the cable; the locking mechanism comprises a female part sleeved on the cable and a male part movably connected with the female part, the female part can slide relative to the cable after the male part is loosened, and the female part is fixed relative to the flexible rope after the male part is locked; the adjusting mechanism adjusts the distance between the two skin traction mechanisms so as to realize the contraction closure of the skin to be pulled on two sides of the wound, and comprises a pressure regulating sleeve, a pressure regulating spring and a sliding sleeve which are sequentially pushed and matched, and the pressure regulating sleeve sequentially drives the pressure regulating spring and the sliding sleeve to move when moving relative to the cable. The device has the advantages of freely and flexibly stretching the skin, accurately adjusting the stretching force of the skin, simultaneously combining negative pressure suction to stretch the wound surface, being convenient to operate and the like.

Description

Cable type skin stretching and closing device

Technical Field

The utility model relates to an orthopedic surgery, wound surgery surgical instruments technical field, concretely relates to cable formula skin draws a closing device.

Background

Skin defects caused by clinical trauma are common and are usually repaired by skin grafting or skin flaps, but the other donor area of a patient can be damaged by the method, skin stretching is a method for effectively treating the skin defects, and the skin stretching is a method for promoting the division and proliferation, the growth, the increase of cell gaps and the increase of inherent elasticity of skin tissues by acting on the skin soft tissues through continuous mechanical stretching force so as to obtain 'extra' complete skin soft tissues and close wound surfaces. The skin stretching operation has the advantages of rapid wound surface closing, simple operation, few complications and the like, is a method for self-repairing soft tissue defect organisms, and needs a special traction device (namely a skin stretching closer) for assistance.

The existing common skin stretching closer on the market is only suitable for regular simple wound surfaces, small wound surfaces and not suitable for complex wound surfaces, particularly the wound surfaces with muscles or other tissues protruding out of the skin around the wound surfaces in the middle of the wound surfaces cannot realize skin stretching, cannot be used with a wound surface negative pressure suction device at the same time, and are easy to cause wound surface infection. Therefore, a skin stretching closer which has a simple structure, is convenient to use, can be combined with a wound surface negative pressure suction device and can realize free stretching is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a simple structure, convenient to use, can combine the surface of a wound negative pressure suction device, can realize freely drawing the cable formula skin that stretches a closing device.

The utility model discloses cable formula skin leads a closing device's technical scheme is realized like this: the cable type skin stretching and closing device comprises a cable, a skin traction mechanism, a locking mechanism and an adjusting mechanism;

the cable is used for penetrating into the locking mechanism, the adjusting mechanism and the skin traction mechanism and bearing the traction force of the skin traction mechanism on the skin;

the skin traction mechanism is used for being fixed relative to the skin to be dragged and the cable and transmitting traction force between the skin to be dragged and the cable;

the locking mechanism is used for locking relative to the cable and stopping and limiting one side of the adjusting mechanism after locking, and a cable hole for the cable to pass through is formed in the locking mechanism; the locking mechanism comprises a female part sleeved on the cable and a male part movably connected with the female part, the female part can slide relative to the cable after the male part is loosened, and the female part is fixed relative to the cable after the male part is locked;

the adjusting mechanism is used for adjusting the distance between the two skin traction mechanisms so as to realize the contraction closure of skin to be pulled on two sides of a wound, and comprises a pressure regulating sleeve, a pressure regulating spring and a sliding sleeve which are sequentially pushed and matched, the pressure regulating sleeve sequentially drives the pressure regulating spring and the sliding sleeve to move when moving relative to a cable, and the outer wall of the sliding sleeve is provided with a pressure dial gauge which is in sliding fit with the inner wall of the pressure regulating sleeve and used for displaying the pressure of the spring.

Furthermore, two skin traction mechanisms are arranged on the cable in a penetrating mode, one skin traction mechanism is fixed relative to the flexible rope, and the other skin traction mechanism is in pushing fit with the sliding sleeve. In this way, the distance can be adjusted by only one adjusting mechanism, and the distance can also be adjusted by two parallel adjusting mechanisms.

Further, the adjusting mechanism further comprises an inner tube sleeved between the cable and the pressure regulating sleeve, and the pressure regulating spring is sleeved on the inner tube.

Furthermore, the outer part of the inner pipe is provided with external threads, the tail end of the pressure regulating sleeve is internally provided with internal threads, and the pressure regulating sleeve is in threaded fit with the inner pipe. Adopt the screw thread mode to adjust, it is accurate and convenient, advance to the inner tube head end when pressure regulating sleeve pipe tail end, loosen locking mechanical system's son, with pressure regulating sleeve pipe head end back of a roll to the inner tube tail end again, screw up the fixed cable of son, the pressure regulating next time again.

Further, the inner tube and the female member are integrally formed.

Furthermore, the skin traction mechanism comprises a hook piece and a traction needle fixed relative to the hook piece, a cable hole for a cable to pass through and a set screw inserted into the cable hole in the radial direction to fix the cable are formed in the upper portion of the hook piece, a needle groove for inserting the traction needle is formed in the lower portion of the hook piece, and a compression screw used for compressing the traction needle at the needle groove is correspondingly arranged at the needle groove.

Furthermore, a compression pad is sleeved on the compression screw, and a V-shaped compression groove is formed in the compression pad. The setting of compressing tightly the pad makes the traction needle fixed more firm, and difficult slippage or rock.

Further, the hook piece comprises an upper part and a lower part which are arranged in a split mode, the two parts are in threaded connection through internal threads and external threads, the cable hole is located on the upper part, and the needle groove is located on the lower part. This allows the angle between the cable and the pull pin to be adjusted.

Furthermore, the skin traction mechanism comprises a traction plate and a skin suture frame, wherein the traction plate is L-shaped and fixed with the skin suture frame through a rivet, the upper edge of the traction plate is penetrated on a cable through a cable hole, and the skin suture frame is provided with a threading hole so as to suture and fix the skin on the skin suture frame through a needle and a thread.

Further, the skin suture frame is made of flat plate processing round holes or square holes or is formed by splicing round rods, threads can be arranged on the round rods, and suture friction force is increased.

Further, the cable hole on the traction plate can be set to be 1 hole or 2 holes.

Further, skin drive mechanism is including arranging the hook fixing base and fixing a plurality of crochet hooks that are used for the hook skin on arranging the hook fixing base side by side, arranges on the hook fixing base along the direction of buckling of crochet hook and is provided with the cable hole that supplies the cable to pass and radially inserts in the cable hole in order to realize the holding screw fixed to the cable.

Furthermore, guide holes are further formed in the two sides, transverse to the cable holes, of the upper edge of the row hook fixing seat, and guide rods penetrate through the guide holes when the row hook fixing seat is used. This prevents the bearded needle from rotating when using a set of cable-type skin stretching closure devices.

Furthermore, 3 or more than 3 crochet hooks can be arranged on the skin traction mechanism row hook fixing seat according to the width of the row hook fixing seat.

Furthermore, skin drive mechanism is including fixing the hook-shaped piece in cable one end, the cover is equipped with the pressure pad on the hook-shaped piece, the needle groove that is used for cartridge traction needle is enclosed with the hook portion of hook-shaped piece to the pressure pad, still be equipped with through the screw on the hook-shaped piece and be used for pressing the pressure pad towards the extruded extrusion nut of needle groove, cable formula skin draws a closing device still including being used for the pole clamp with two cable cross connection together, be provided with the cable hole that two axes cross set up on the pole clamp, the flexible pad of pole clamp front side suit on the cable.

Furthermore, a flexible pad and a pasting pipe for pasting a negative pressure pasting film are sequentially sleeved on the front side of the sliding sleeve on the cable. The negative pressure pad pasting can be conveniently pasted.

Furthermore, the adjusting mechanism is arranged in a manner that the tail end of the sliding sleeve is sleeved outside the pressure regulating sleeve and is in sliding connection with the pressure regulating sleeve, the head end of the sliding sleeve is sleeved on the cable and is in sliding connection with the cable, the pressure regulating sleeve is sleeved outside the inner pipe, the inner wall of the tail end of the sliding sleeve is provided with threads and is in threaded connection with the inner pipe, the pressure regulating spring is sleeved outside the outer wall of the inner pipe, the tail end of the pressure regulating spring is abutted against the pressure regulating sleeve, and the head end.

Furthermore, the spring pressure indicating device of the adjusting mechanism is set as a pointer, the tail end of the pointer is arranged outside the pressure regulating sleeve and is in sliding connection with the pressure regulating sleeve, the head end of the pointer is sleeved on the cable and is in sliding connection with the cable, the pressure regulating sleeve is sleeved outside the inner pipe, the inner wall of the tail end of the pointer is provided with threads and is in threaded connection with the inner pipe, the pressure regulating spring is sleeved on the outer wall of the inner pipe and the cable, the tail end of the pressure regulating spring is abutted against the pressure regulating sleeve, and.

Furthermore, the pointer of the adjusting mechanism is fixed on the hook-shaped piece, the row hook fixing seat and the traction plate of the skin traction mechanism which are connected with the adjusting mechanism.

Furthermore, the locking mechanism is separated from the adjusting mechanism, the female member is a cylindrical sleeve and is sleeved on the cable, the front end of the female member abuts against the tail end of the inner tube, and the side wall of the female member is radially provided with a sub-member which is a fastening jackscrew and used for fixing the cable.

Furthermore, the locking mechanism is integrated with the adjusting mechanism, a groove is formed in the side wall of the female piece and used for allowing the cable to pass through, threads are formed in the inner wall of the female piece and connected with the male piece in a threaded mode, the male piece is a fastening jackscrew, and the cable can be fixed in the groove of the female piece by screwing in the male piece.

Furthermore, the locking mechanism is integrated with the adjusting mechanism, the outer wall of the female part is provided with threads, the secondary part is a threaded sleeve and is sleeved outside the female part, the cable and the locking sleeve, the front end of the secondary part is in threaded connection with the female part, the locking sleeve is a conical sleeve with a groove in the side wall, the conical sleeve is sleeved on the cable, the front end expansion part abuts against the female part, and the rear end abuts against the inner wall of the threaded sleeve.

Furthermore, the locking mechanism is integrated with the adjusting mechanism, threads are arranged on the outer wall of the female part, the secondary part comprises a threaded sleeve and an elastic pressing claw, the elastic pressing claw is sleeved outside the female part and the cable, the front end of the elastic pressing claw is in threaded connection with the female part, a groove is formed in the side wall of the tail end, the wall of the tail end pressing claw is thickened, the threaded sleeve is sleeved outside the elastic pressing claw, threads are arranged on the inner wall of the front end and are in threaded connection with the elastic pressing claw, the threaded sleeve is screwed backwards, and the tail end of the elastic pressing claw can be fixed on the cable.

Further, the locking mechanism is designed to be separated from the adjusting mechanism, the female member is a bolt with a radial inner hole, the secondary member is a fastening washer sleeved on the bolt, and a pressing nut in threaded fit with the bolt to press the fastening washer on the cable. And (4) extruding the fastening washer by adopting an extruding nut to fix the cable in the radial inner hole of the bolt.

By adopting the technical scheme, the utility model discloses cable formula skin draws a closing device's beneficial effect does: the cable type skin stretching and closing device has the advantages that the device can stretch the skin freely and flexibly in any direction, precisely adjust the stretching force of the skin, simultaneously attract the stretching wound surface by combining the negative pressure, and is convenient to operate; when in use, the skin-wound-surface-tension-type skin-wound retractor can be flexibly combined according to the size of the wound surface of the skin and the tension, and the skin can be directly sewn on a cable by using a traction needle, a skin suture frame and a row hook, so that the skin can be pulled and closed, the skin-wound-surface-tension-type skin-wound retractor can be flexibly adjusted for different affected parts under different scenes, and the application range is very wide; in addition, during adjustment, the locking mechanism can be loosened to realize large-range large-distance adjustment, and accurate fine adjustment can also be realized by the aid of the adjusting mechanism, so that the operation is convenient; the device can freely stretch complex wound surfaces, interference and blocking are not easy to occur between stretching devices, protruding wound surfaces of middle muscles and large wound surfaces are prevented from being generated, the defects that the muscles are raised, the skin is blocked to be closed, and even muscle necrosis occurs are overcome, the device is convenient to use with a wound surface negative pressure device, the device can be used while sucking, and the defects that inflammation and frequent dressing change easily occur on the wound surfaces are overcome.

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 1 of the cable-type skin stretching and closing device of the present invention;

FIG. 2 is a schematic view taken along the cable axis of FIG. 1;

fig. 3 is a schematic structural view of an embodiment 2 of the cable-type skin stretching closure device of the present invention;

FIG. 4 is a cross-sectional view taken along the cable axis of FIG. 3;

FIG. 5 is a schematic structural view of an embodiment 3 of the cable-type skin stretching closure device of the present invention;

fig. 6 is a schematic structural view of an embodiment 4 of the cable-type skin stretching closure device of the present invention;

FIG. 7 is a schematic structural view of the skin traction mechanism of FIG. 6;

FIG. 8 is a schematic structural view of a second embodiment of a skin traction mechanism;

FIG. 9 is a schematic structural view of a third embodiment of a skin traction mechanism;

FIG. 10 is a schematic structural view of a fourth embodiment of a skin traction mechanism;

FIG. 11 is a schematic structural view of a fifth embodiment of a skin traction mechanism;

FIG. 12 is a schematic structural view of an embodiment 5 of the cable-type skin stretching closure device of the present invention;

FIG. 13 is a cross-sectional view along the cable axis of FIG. 12;

FIG. 14 is a schematic structural view of the skin traction mechanism of FIG. 12, also a schematic structural view of a sixth embodiment of the skin traction mechanism;

FIG. 15 is a schematic structural view of an embodiment 6 of the cable-type skin stretching closure device of the present invention;

FIG. 16 is a schematic structural view of a second embodiment of an adjustment mechanism and a locking mechanism;

FIG. 17 is a schematic structural view of a third embodiment of an adjustment mechanism and a locking mechanism;

FIG. 18 is a schematic structural view of a fourth embodiment of an adjustment mechanism and a locking mechanism;

FIG. 19 is a schematic structural view of a fifth embodiment of an adjustment mechanism and a locking mechanism;

FIG. 20 is a schematic structural view of a sixth embodiment of an adjustment mechanism and a locking mechanism;

FIG. 21 is a schematic structural view of a seventh embodiment of an adjustment mechanism and a locking mechanism;

FIG. 22 is a schematic structural view of an eighth embodiment of an adjustment mechanism and a locking mechanism;

FIG. 23 is a schematic illustration of a first embodiment of a skin traction mechanism with a traction needle inserted therein;

FIG. 24 is a schematic structural view of a second embodiment of a skin traction mechanism with a traction needle inserted therein;

FIG. 25 is a schematic structural view of a third embodiment of a skin traction mechanism with a traction needle inserted therein;

FIG. 26 is a schematic structural view of a fourth embodiment of a skin traction mechanism with a traction needle inserted therein;

FIG. 27 is a schematic illustration of a fifth embodiment of a skin traction mechanism with a traction needle inserted therein;

FIG. 28 is a schematic structural view of a sixth embodiment of a skin traction mechanism with a traction needle inserted therein;

FIG. 29 is a schematic structural view of a seventh embodiment of a skin traction mechanism with a traction needle inserted therein;

FIG. 30 is a schematic structural view of an eighth embodiment of a skin traction mechanism with a traction needle inserted therein;

wherein: 1-cable, 2-skin traction mechanism, 21-hook piece, 211-upper part, 212-lower part, 201-traction plate, 202-skin suture frame, 203-fixing plate, 2021-threading hole, 2001-row hook fixing seat, 2011-guide hole, 2002-crochet hook, 2003-guide rod, 210-connecting shaft, 22-traction needle, 23-pressing pad, 24-column piece, 3-locking mechanism, 31-mother piece, 32-son piece, 301-thread sleeve, 302-extrusion cone, 303-elastic claw, 304-pressure regulating nut, 305-fastening washer, 4-regulating mechanism, 41-pressure regulating sleeve, 42-pressure regulating spring, 43-sliding sleeve and 44-inner tube; 5-sticking tube, 6-flexible pad, C-cable hole, L-thread, D-screw, S-bolt, Z-needle groove, M-nut and K-screw hole.

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 cable formula skin draws an embodiment 1 of closing device: as shown in fig. 1-2, the cable type skin stretching and closing device comprises a flexible rope 1, a skin traction mechanism 2, a locking mechanism 3 and an adjusting mechanism 4;

the flexible rope 1 is used for penetrating into the locking mechanism 3, the adjusting mechanism 4 and the skin traction mechanism 2 and bearing the traction force of the skin pulled by the skin traction mechanism 2;

the skin traction mechanism 2 is used for being fixed relative to the skin to be pulled and the flexible rope 1 and transmitting traction force between the skin to be pulled and the flexible rope 1;

the locking mechanism 3 is used for locking relative to the flexible rope 1 and stopping and limiting one side of the adjusting mechanism 4 after locking, and a rope threading hole C for the flexible rope 1 to pass through is formed in the locking mechanism 3; the locking mechanism 3 comprises a female part 31 sleeved on the flexible rope 1 and a male part 32 movably connected with the female part 31, the female part 31 can slide relative to the flexible rope 1 after the male part 32 is loosened, and the female part 31 is fixed relative to the flexible rope 1 after the male part 32 is locked;

the adjusting mechanism 4 is used for adjusting the distance between the two skin traction mechanisms 2 so as to realize the contraction and closure of the skin to be dragged on two sides of the wound, and comprises a pressure regulating sleeve 41, a pressure regulating spring 42 and a sliding sleeve 43 which are sequentially pushed and matched, and the pressure regulating sleeve 41 sequentially drives the pressure regulating spring 42 and the sliding sleeve 43 to move when moving relative to the flexible rope 1.

In this embodiment, two skin traction mechanisms 2 are threaded on the flexible rope 1, wherein one skin traction mechanism 2 is fixed relative to the flexible rope 1, and the other skin traction mechanism 2 is in pushing fit with the sliding sleeve 43. In this way, the distance can be adjusted by means of only one adjusting mechanism 4, or by means of two adjusting mechanisms 4 arranged in parallel. Through the cooperation of two sets of cable type skin stretching and closing devices, the two traction needles 22 arranged in parallel are tensioned, and the traction needles 22 are inserted into the skin. The adjusting mechanism 4 further comprises an inner tube 44 sleeved between the flexible rope 1 and the pressure regulating sleeve 41, and the pressure regulating spring 42 is sleeved on the inner tube 44. The inner tube 44 is integrally formed with the female member 31. The outer portion of the inner pipe 44 is provided with external threads, the inner portion of the pressure regulating sleeve 41 is provided with internal threads, and the pressure regulating sleeve 41 is in threaded fit with the inner pipe 44. The screw thread mode is adopted for adjustment, and the adjustment is accurate and convenient. The skin traction mechanism 2 comprises a hook part 21 and a traction needle 22 fixed relative to the hook part 21, wherein the upper part of the hook part 21 is provided with a rope through hole C for the flexible rope 1 to pass through and a set screw inserted into the rope through hole C in a radial direction to fix the flexible rope 1, the lower part of the hook part 21 is provided with a needle groove Z for inserting the traction needle 22, and a compression screw for compressing the traction needle 22 at the needle groove Z is correspondingly arranged at the needle groove Z. The compression screw is sleeved with a compression pad 23, and a V-shaped compression groove is formed in the compression pad 23. The arrangement of the pressing pad 23 makes the fixing of the traction needle 22 more firm and not easy to slip or shake. In order to facilitate reading data during the movement adjustment, scales are provided on the outside of the sliding sleeve 43 in the axial direction. The inner diameter of the sleeve section of the pressure regulating sleeve 41 is consistent with the outer diameter of the sliding sleeve 43, the pressure regulating spring 42 is positioned in the sleeve section of the pressure regulating sleeve 41, and one end of the pressure regulating spring is in pushing fit with one end of the nut section of the pressure regulating sleeve 41, and the other end of the pressure regulating spring is in pushing fit with the end of the sliding sleeve 43.

The flexible rope 1 in this embodiment is a steel wire rope, and other safe and corrosion-free flexible metal ropes or plastic ropes can be adopted.

The working principle is as follows: the traction needle 22 penetrates into the skin on two sides of the wound respectively, the traction needle 22 is inserted into a needle groove Z of the hook part 21, the traction needle 22 is pressed and fixed through a screw and a pressing pad 23, the hook part 21 on the front side is fixed relative to the flexible rope 1 through the screw, the hook part 21 on the rear side is moved to a proper position, the female part 31 is locked relative to the flexible rope 1 through the screw (a sub-part 32) of the locking mechanism 3, the pressure regulating sleeve 41 is moved relative to the inner pipe 44 through rotating the pressure regulating sleeve by means of threads between the pressure regulating sleeve and the inner pipe 44, the sliding sleeve 43 and the hook part 21 on the rear side are sequentially pushed to move through the pressure regulating spring 42, the traction needle 22 is further driven to move towards the other traction needle 22, the distance between the skins is regulated, the pressure regulating sleeve 41 is regularly regulated to move for a certain distance according to the growth law of the skin and according to the doctor's advice, and if the moving distance is larger and exceeds, the screw of the locking mechanism 3 can be loosened to move the locking mechanism 3 forward a certain distance.

The utility model discloses embodiment 2 of cable formula skin tractive closing device: as shown in fig. 3-4, the difference from embodiment 1 is that a flexible pad 6 and an adhesive tube 5 for adhering a negative pressure adhesive film are sequentially sleeved on the front side of the sliding sleeve 43 on the flexible rope 1. The sticking of the negative pressure sticking film can be facilitated; meanwhile, the inner tube 44 and the female member 31 are of a split structure and are in pushing fit with each other.

The utility model discloses embodiment 3 of cable formula skin tractive closing device: as shown in fig. 5, the difference from embodiment 1 is that the skin traction mechanism 2 includes a hook member 21 fixed at one end of the flexible rope 1, a pressing pad 23 is sleeved on the hook member 21, the pressing pad 23 and a hook portion of the hook member 21 enclose a needle groove Z for inserting the traction needle 22, and a pressing nut for pressing the pressing pad 23 toward the needle groove Z is further assembled on the hook member 21 through a screw thread; the cable type skin stretching and closing device further comprises an L-shaped connecting shaft 210 used for connecting the two flexible ropes 1 together in a crossed mode, and two rope threading holes C with crossed axes are formed in the L-shaped connecting shaft 210. The two sets of cable type skin stretching and closing devices of the embodiment need to be matched together for use, so that the number of the skin traction mechanisms 2 is reduced, the structure is simplified, and the traction angle is different from that of the embodiment.

The utility model discloses embodiment 4 of cable formula skin tractive closure device: as shown in fig. 6 to 7, the difference from embodiment 1 is that the skin traction mechanism 2 includes a sliding plate 201 and a skin suture stand 202 which are detachably connected, the sliding plate 201 is L-shaped, the upper side of the sliding plate 201 is threaded on the flexible rope 1 through a threading hole C, and the skin suture stand 202 is provided with a threading hole 2021 so as to suture the skin on the skin suture stand 202 by needle thread. The skin suture frame 202 is formed by processing a round hole on a flat plate, the round hole is a threading hole 2021, and the skin is conveniently sutured on the skin suture frame 202. The sliding plate 201 and the skin suture frame 202 can be fixed by welding, bolts or adhesion. The difference in use is that the skin needs to be sutured to the skin suture stand 202.

Second embodiment of skin traction mechanism 2: as shown in fig. 8, the difference from embodiment 4 is that the skin suture stand 202 is provided with not only a circular threading hole 2021 but also two rectangular threading holes 2021 arranged side by side in the width direction of the skin suture stand 202, and the length of the rectangular threading holes 2021 extends in the longitudinal direction of the skin suture stand 202.

Third embodiment of skin traction mechanism 2: as shown in fig. 9, the difference from embodiment 4 is that the skin suture stand 202 is provided with not only a circular threading hole 2021 but also two rectangular threading holes 2021 arranged side by side in the longitudinal direction of the skin suture stand 202, and the length of the rectangular threading holes 2021 extends in the width direction of the skin suture stand 202.

Fourth embodiment of skin traction mechanism 2: as shown in fig. 10, the difference from the third embodiment of the skin traction mechanism 2 is that two rope-passing holes C are arranged in parallel on the sliding plate 201 along the width direction, so that the flexible ropes 1 of two sets of cable type skin traction closure devices can pass through simultaneously.

Fifth embodiment of skin traction mechanism 2: as shown in fig. 11, the difference from the third embodiment of the skin traction mechanism 2 is that the skin suture frame 202 is made by processing a flat plate with a round hole or a square hole or by splicing a round tube, the skin suture frame 202 is welded with a fixed plate 203, and the sliding plate 201 is fixed with the fixed plate 203 by welding or bolting or bonding.

The utility model discloses cable formula skin draws an embodiment 5 of closing device: as shown in fig. 12 to 14, the difference from embodiment 1 is that the skin traction mechanism 2 includes a row hook fixing seat 2001 and a plurality of hook needles 2002 fixed in parallel on the row hook fixing seat 2001 for hooking the skin, a threading hole C for passing the flexible rope 1 and a set screw inserted into the threading hole C in the radial direction to fix the flexible rope 1 are provided on the row hook fixing seat 2001 along the bending direction of the hook needles 2002. Guide holes 2011 are further formed in the two sides, transverse to the rope threading hole C, of the row hook fixing seat 2001, when the row hook fixing seat is used, a guide rod 2003 penetrates through the guide holes 2011, and a set screw is rotated in the radial direction of the guide holes 2011 through threads so that the guide rod 2003 can be fixed relative to the row hook fixing seat 2001. This allows the bearded needle 2002 to be used without skewing when using a cable-type skin stretching closure device. As shown in fig. 12, the set screw is not provided on the row hook holder 2001 of the skin traction mechanism 2 on the side close to the adjustment mechanism 4, but is locked with respect to the flexible cord 1 by means of the locking mechanism 3.

The utility model discloses embodiment 6 of cable formula skin stretch closing device: as shown in fig. 15, the difference from embodiment 3 is that two sets of locking mechanisms 3 and corresponding adjusting mechanisms 4 are arranged at two ends of the same flexible rope 1, and two ends of the flexible rope 1 respectively pass through two rope passing holes C arranged crosswise of one L-shaped connecting shaft 210, so that the flexible rope 1 forms an annular structure, and the skin is sewn on the annular structure, and the two adjusting mechanisms 4 are adjusted to realize contraction of the annular structure, thereby realizing traction closure of the skin.

Second embodiment of the adjustment mechanism 4 and the locking mechanism 3: as shown in fig. 16, the difference from embodiment 1 is that the inner diameter of the sleeve section of the sliding sleeve 43 is the same as the outer diameter of the pressure regulating sleeve 41, the pressure regulating spring 42 is located in the sleeve section of the sliding sleeve 43, and one end of the pressure regulating spring is in pushing fit with the end of the pressure regulating sleeve 41, and the other end of the pressure regulating spring is in pushing fit with the inner step surface of the sliding sleeve 43; the pressure regulating sleeve 41 is sleeved on the inner tube 44 and is in stop fit with the annular groove of the inner tube 44 through the annular inner platform, and the inner tube 44 and the female member 31 of the locking mechanism 3 are integrally arranged. When the pressure regulating sleeve 41 is used, the pressure regulating sleeve 41 can be sleeved on the inner pipe 44 in a forced mounting mode, and the inner pipe 44 and the pressure regulating sleeve 41 are also integrally arranged.

Third embodiment of the adjusting mechanism 4 and the locking mechanism 3: as shown in fig. 17, the difference between the second embodiment of the adjustment mechanism 4 and the lock mechanism 3 is that a notch is provided on the sleeve segment side of the slide sleeve 43, and the pressure adjustment sleeve 41 is screwed into the inner tube 44.

Fourth embodiment of the adjusting mechanism 4 and the locking mechanism 3: as shown in fig. 18, the difference from embodiment 1 is that the inner tube 44 is provided separately from the female member 31 of the lock mechanism 3, and the inner tube 44 is an outer stepped tube.

Fifth embodiment of the adjustment mechanism 4 and the locking mechanism 3: as shown in fig. 19, the difference between the adjusting mechanism 4 and the fourth embodiment of the locking mechanism 3 is that a female member 31 of the locking mechanism 3 is provided with a radial slot, the rear end of a rope threading hole C of the female member 31 is provided with an internal thread section, a sub member 32 (screw) is screwed on the internal thread section, the flexible rope 1 sequentially passes through the rope threading hole C and the radial slot in a vertical state, and the screw presses and locks the flexible rope 1 in an axial direction.

Sixth embodiment of the adjusting mechanism 4 and the locking mechanism 3: as shown in fig. 20, the difference from embodiment 1 is that the locking mechanism 3 includes a locking sleeve 301 having an inner taper hole and a pressing cone 302 fitted between the flexible cord 1 and the locking sleeve 301, the locking sleeve 301 is screwed to the end of the inner tube 44, the pressing cone 302 is pressed by the taper surface of the inner taper hole of the locking sleeve 301, and the pressing cone 302 is made of an elastic body, such as rubber.

Seventh embodiment of the adjusting mechanism 4 and the locking mechanism 3: as shown in fig. 21, the difference from embodiment 1 is that a fastening washer 305 and an elastic claw 303 are provided on a flexible rope 1, a pressure regulating nut 304 is screwed on an external thread of the elastic claw 303, and the elastic claw 303 is contracted by rotating the pressure regulating nut 304, so that the flexible rope 1 is squeezed or the fastening washer 305 is squeezed against the flexible rope 1, thereby achieving locking of the flexible rope 1.

Eighth embodiment of the adjusting mechanism 4 and the locking mechanism 3: as shown in fig. 22, the difference from embodiment 1 is that the locking mechanism 3 is a structure that is separate from the inner tube 44, and includes a bolt having a radial-direction stringing hole C, a fastening washer 305, and a pressing nut, and locking is achieved by screwing the pressing nut so that the fastening washer 305 presses the flexible string 1 against the bolt.

First embodiment of skin traction mechanism 2 to which traction pins 22 are inserted: as shown in fig. 23, the skin traction mechanism 2 includes a hook member 21, a horizontal rope passing hole C is provided on an upper portion of the hook member 21, a threaded hole penetrating the rope passing hole C is provided on an upper portion of the hook member 21, a set screw is screwed into the threaded hole, a horizontally extending threaded hole is provided on an upper side of a lower portion of the hook member 21 close to the hook portion, a screw is screwed into the threaded hole, a pressing pad 23 is sleeved on the screw, and a V-shaped pressing groove is provided on the pressing pad 23. The arrangement of the pressing pad 23 makes the fixing of the traction needle 22 more firm and not easy to slip or shake. When the drawing device is used, the drawing needle 22 is inserted between the pressing groove and the hook part of the hook part 21, and the drawing needle 22 is pressed on the needle groove Z by screwing the screw.

Second embodiment of skin traction means 2 for inserting traction needles 22: as shown in fig. 24, the difference from the first embodiment of the skin traction mechanism 2 in which the traction needle 22 is inserted is that a hook member 21 is provided with a screw thread, a pressing pad 23 is sleeved on the hook member 21, a nut is screwed on the upper portion of the pressing pad 23, and the pressing pad 23 is pressed toward the lower hook portion by the nut, so that the traction needle 22 is fixed between the pressing groove and the hook portion of the pressing pad 23.

A third embodiment of the skin traction mechanism 2 for insertion of the traction needle 22: as shown in fig. 25, the difference from the first embodiment of the skin traction mechanism 2 in which the traction needle 22 is inserted is that the hook member 21 is replaced with a column member 24 having two cross-shaped through holes, an upper through hole of the column member 24 is a threading hole C, a lower through hole is a threading hole (needle groove Z), and the flexible cord 1 and the traction needle 22 are fixed to the column member 24 by two fastening screws, respectively.

A fourth embodiment of the skin traction mechanism 2 in which the traction needle 22 is inserted: as shown in fig. 26, the difference from the third embodiment of the skin traction mechanism 2 in which the traction needle 22 is inserted is that the threading hole C is replaced with an L-shaped hole, and the upper set screw presses the flexible cord 1 at the corner of the threading hole C from the axial direction.

Fifth embodiment of skin traction mechanism 2 with traction needle 22 inserted: as shown in fig. 27, the difference from the third embodiment of the skin traction mechanism 2 inserted with the traction needle 22 is that the lower part of the column 24 is provided with a light hole, a bolt assembly is inserted into the light hole, a pressing pad 23 is sleeved on the bolt, a pressing groove is arranged on one side of the pressing pad 23 close to the column 24, and the traction needle 22 can be pressed on the column 24 by tightening the bolt assembly.

A sixth embodiment of the skin traction mechanism 2 in which the traction needle 22 is inserted: as shown in fig. 28, the difference from the fifth embodiment of the skin traction mechanism 2 inserted with the traction needle 22 is that the horizontal radial direction of the threading hole C of the upper part of the hook member 21 is provided with a threaded hole with a horizontal axis and is provided with a set screw, and at the same time, the hook member 21 is divided into an upper part 211 and a lower part 212, and the two parts are connected by the matching of the stud and the threaded hole, in such a way that the direction adjustment of the traction needle 22 and the flexible rope 1 can be realized by the rotation between the upper part 211 and the lower part 212.

A seventh embodiment of the skin traction mechanism 2 in which the traction needle 22 is inserted: as shown in fig. 29, the difference from the sixth embodiment of the skin traction mechanism 2 inserted with the traction needle 22 is that the lower part 212 is not hook-shaped, but is replaced by a column, the horizontal direction of the column is opened with a needle hole for inserting the traction needle 22, and an inclined set screw is arranged at the needle hole, and the traction needle 22 is fixed relative to the lower part 212 by screwing the set screw.

An eighth embodiment of the skin traction mechanism 2 to which the traction needle 22 is inserted: as shown in fig. 30, the difference from the sixth embodiment of the skin traction mechanism 2 in which the traction needle 22 is inserted is that the lower part 212 is provided with a screw thread, the lower part 212 is sleeved with the pressing pad 23, a nut is screwed on the pressing pad 23, and the pressing pad 23 is pressed downward by the nut, so that the traction needle 22 is pressed and fixed to the hook part.

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 (14)

1. The cable type skin stretching and closing device is characterized by comprising a cable, a skin traction mechanism, a locking mechanism and an adjusting mechanism;

the cable is used for penetrating into the locking mechanism, the adjusting mechanism and the skin traction mechanism and bearing the traction force of the skin traction mechanism on the skin;

the skin traction mechanism is used for being fixed relative to the skin to be dragged and the cable and transmitting traction force between the skin to be dragged and the cable;

the locking mechanism is used for locking relative to the cable and stopping and limiting one side of the adjusting mechanism after locking, and a cable hole for the cable to pass through is formed in the locking mechanism; the locking mechanism comprises a female part sleeved on the cable and a male part movably connected with the female part, the female part can slide relative to the cable after the male part is loosened, and the female part is fixed relative to the cable after the male part is locked;

the adjusting mechanism is used for adjusting the distance between the two skin traction mechanisms so as to realize the contraction closure of the skin to be pulled on two sides of the wound, and comprises a pressure regulating sleeve, a pressure regulating spring and a sliding sleeve which are sequentially pushed and matched, and the pressure regulating sleeve sequentially drives the pressure regulating spring and the sliding sleeve to move when moving relative to the cable.

2. The cable-based skin stretching closure device of claim 1, wherein two skin traction mechanisms are threaded on the cable, one of the skin traction mechanisms is fixed relative to the cable, and the other skin traction mechanism is in pushing engagement with the sliding sleeve.

3. The cable-type skin stretching and closing device according to claim 1 or 2, wherein the adjusting mechanism further comprises an inner tube sleeved between the cable and the pressure regulating sleeve, and the pressure regulating spring is sleeved on the inner tube.

4. The cable-type skin stretching and closing device according to claim 3, wherein the inner tube is externally provided with external threads, the pressure regulating sleeve is internally provided with internal threads, and the pressure regulating sleeve is in threaded fit with the inner tube.

5. The cabled skin stretching closure device according to claim 4, wherein the inner tube is integrally formed with the female member.

6. The cable-type skin stretching and closing device according to claim 1 or 2, wherein the skin stretching mechanism comprises a hook member and a stretching pin fixed relative to the hook member, the upper part of the hook member is provided with a cable hole for passing the cable and a set screw radially inserted into the cable hole to fix the cable, the lower part of the hook member is provided with a pin slot for inserting the stretching pin, and the pin slot is correspondingly provided with a compression screw for compressing the stretching pin at the pin slot.

7. The cable-type skin stretching and closing device according to claim 6, wherein the pressing screw is sleeved with a pressing pad, and the pressing pad is provided with a V-shaped pressing groove.

8. The cable-type skin stretching and closing device according to claim 7, wherein the hook member comprises an upper portion and a lower portion which are separately arranged, the upper portion and the lower portion are screwed together through an internal thread and an external thread, the cable hole is formed on the upper portion, and the needle groove is formed on the lower portion.

9. The cable-type skin stretching and closing device according to claim 1 or 2, wherein the skin stretching mechanism comprises a stretching plate and a skin suture frame which are detachably connected, the stretching plate is L-shaped, the upper edge of the stretching plate is threaded on the cable through a cable hole, and the skin suture frame is provided with a threading hole so as to fix the skin on the skin suture frame through a needle thread.

10. The cable-type skin stretching closure device according to claim 9, wherein the skin suture frame is made of a flat plate with round or square holes or is spliced by round rods.

11. The cable type skin stretching and closing device according to claim 1 or 2, wherein the skin traction mechanism comprises a row of hook fixing seats and a plurality of hook needles which are fixed on the row of hook fixing seats in parallel and used for hooking the skin, cable holes for the cables to pass through and set screws which are inserted into the cable holes in the radial direction are arranged on the row of hook fixing seats along the bending direction of the hook needles so as to fix the cables.

12. The cable-type skin stretching and closing device according to claim 11, wherein guide holes are further formed in the row hook fixing seat along two sides transverse to the cable hole, and guide rods are inserted into the guide holes in use.

13. The cable-type skin stretching and closing device according to claim 1, wherein the skin stretching mechanism comprises a hook member fixed at one end of the cable, a pressing pad is sleeved on the hook member, the pressing pad and the hook portion of the hook member enclose a needle groove for inserting the stretching needle, and a pressing nut for pressing the pressing pad towards the needle groove is further assembled on the hook member through threads; the cable type skin stretching and closing device further comprises a rod clamp used for connecting the two cables in a cross mode, and cable holes are formed in the rod clamp.

14. The cable type skin stretching and closing device according to claim 1 or 2, wherein a flexible pad and an adhesive tube for adhering a negative pressure adhesive film are sequentially sleeved on the front side of the sliding sleeve on the cable.

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