CN211023163U

CN211023163U - Skin retractor

Info

Publication number: CN211023163U
Application number: CN201921635208.5U
Authority: CN
Inventors: 谢海峰; 高佳烙; 周琼; 周家伊; 汪文君
Original assignee: Zhejiang Biomed Biotechnology Co ltd
Current assignee: Zhejiang Biomed Biotechnology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-17
Anticipated expiration: 2029-09-29

Abstract

The utility model provides a skin tractive ware, including screw rod, ejector pad, first spring, push pedal, fixed plate, locking screw, mounting hole, second spring and scale. The utility model has the advantages that: the utility model has simple structure, simple operation, time and labor saving, safety and reliability, and reduces the pain of patients, and no need of embedding expanders during skin tissue repair and organ reconstruction; the outside of the screw rod of the utility model is provided with the scale with the same length as the screw rod, thereby increasing the application range of the skin traction device; the utility model discloses distance between two sets of fixed plates need press through two sets of springs and just can adjust, and the speed is pressed down to the spring is slow, and distance between two sets of fixed plates is adjusted slowly to skin tractive device's regulation precision has been improved.

Description

Skin retractor

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to skin tractive ware.

Background

At present, when skin tissues are damaged, the skin needs to be expanded through a medical means so as to be expanded, and accordingly, the damaged skin can grow under the action of the expansion force until a wound surface is healed. Skin stretching devices are commonly used in the prior art to achieve stretching and dilation of the skin. However, the currently used skin traction device has the disadvantages of complex structure, high cost, low adjustment precision, long skin tensioning and expanding time and great pain for patients.

SUMMERY OF THE UTILITY MODEL

For solving above-mentioned problem comprehensively, especially to the not enough that prior art exists, the utility model provides a skin tractive ware can solve above-mentioned problem comprehensively.

In order to achieve the above object, the utility model adopts the following technical means:

a skin retractor comprises a screw rod, wherein external threads are arranged on the outer side of the screw rod, a scale is arranged on one side of the screw rod and connected with the screw rod, the scale is as long as the screw rod, push blocks are respectively arranged at two ends of the screw rod and connected with the screw rod in a threaded manner, fixing plates are arranged between the push blocks on two sides, two groups of fixing plates are arranged, the two groups of fixing plates are respectively sleeved on the outer side of the screw rod and connected with the screw rod in a sliding manner, a push plate is arranged between the fixing plates and the push blocks and also sleeved on the outer side of the screw rod and connected with the screw rod in a sliding manner, one side of the push plate is fixedly connected with one side of the fixing plates, a first spring is arranged between the push plate and the push blocks and is sleeved on the outer side of the screw rod, one end of the first spring is inserted in the push block and connected, the screw rod fixing device is characterized in that a second spring is arranged between the two groups of fixing plates and is also sleeved outside the screw rod, one end of the second spring is connected with the fixing plates in a mode of being inserted into the fixing plate on one side, the other end of the second spring is connected with the fixing plates in a mode of being inserted into the fixing plate on the other side, mounting holes are formed in the bottom ends of the fixing plates, locking screws are arranged on one sides of the bottom ends of the fixing plates and penetrate through the fixing plates and the mounting holes and are in threaded connection with the fixing plates.

Furthermore, both ends of the screw rod are respectively provided with a stop block, and the stop blocks are in threaded connection with the screw rod.

The beneficial effects are that, the dog can prevent that the ejector pad from excessively rotating and shifting out the screw rod to play spacing guard action to the ejector pad.

Furthermore, the ejector pad includes turn round and inserted block, the inserted block sets up and is connected with the turn round in turn round one side, turn round and be provided with respectively in the inserted block and change the hole, it is equipped with the internal thread to change downthehole, be equipped with first slot in the inserted block, the one end of first spring is pegged graft in first slot and is connected with first slot, the push pedal includes the push pedal body, this internal second slot that is equipped with of push pedal, the other end of first spring is pegged graft in the second slot and is connected with the second slot.

The beneficial effects of the above are that, this kind of setting can be convenient for first spring coupling ejector pad and push pedal, also can make the ejector pad pass through the effectual push pedal that promotes of first spring, and the phenomenon of excessive distortion appears in the effectual first spring that prevents.

Furthermore, the outer wall of the rotary head is provided with a raised line fixedly connected.

The beneficial effects of the utility model reside in that, the sand grip can increase the frictional force between user's hand and the rotating head to convenient to use person rotates the rotating head, improves the availability factor of rotating the head.

Further, the scale comprises a scale groove and a size sticking strip, the scale groove is arranged in the screw rod, and the size sticking strip is arranged in the scale groove and is connected with the scale groove in an adhering mode.

The beneficial effects are that, the size strip can be directly replaced in the scale groove when damaged, thereby effectively prolonging the service life of the scale.

The utility model has the advantages that: the utility model has simple structure, simple operation, time and labor saving, safety and reliability, and reduces the pain of patients, and no need of embedding expanders during skin tissue repair and organ reconstruction; the outside of the screw rod of the utility model is provided with the scale with the same length as the screw rod, thereby increasing the application range of the skin traction device; the utility model discloses distance between two sets of fixed plates need press through two sets of springs and just can adjust, and the speed is pressed down to the spring is slow, and distance between two sets of fixed plates is adjusted slowly to skin tractive device's regulation precision has been improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the screw of the present invention.

Fig. 3 is a sectional view of the push block and the push plate of the present invention.

Fig. 4 is a usage state diagram of the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the utility model provides a skin retractor, which comprises a screw rod 1, wherein the outer side of the screw rod 1 is provided with an external thread, one side of the screw rod 1 is provided with a scale 9, the scale 9 is connected with the screw rod 1, the scale 9 has the same length as the screw rod 1, two ends of the screw rod 1 are respectively provided with a push block 2, the push block 2 is in threaded connection with the screw rod 1, a fixed plate 5 is arranged between the push blocks 2 at two sides, two groups of fixed plates 5 are arranged on the fixed plates 5, which are respectively sleeved outside the screw rod 1 and are in sliding connection with the screw rod 1, a push plate 4 is arranged between the fixed plates 5 and the push blocks 2, the push plate 4 is also sleeved outside the screw rod 1 and is in sliding connection with the screw rod 1, one side of the push plate 4 is fixedly connected with one side of the fixed plate 5, a first spring 3 is arranged between the push plate 4, one end of the first spring 3 is inserted into the push block 2 and connected with the push block 2, the other end of the first spring 3 is inserted into the push plate 4 and connected with the push plate 4, a second spring 8 is arranged between the two groups of fixing plates 5, the second spring 8 is also sleeved outside the screw rod 1, one end of the second spring 8 is inserted into the fixing plate 5 on one side and connected with the fixing plate 5, the other end of the second spring 8 is inserted into the fixing plate 5 on the other side and connected with the fixing plate 5, a mounting hole 7 is arranged in the bottom end of the fixing plate 5, a locking screw 6 is arranged on one side of the bottom end of the fixing plate 5, and the locking screw 6 penetrates through the fixing plate 5 and the mounting hole 7 and is in threaded connection with the fixing plate.

Two ends of the screw rod 1 are respectively provided with a stop block 10, and the stop blocks 10 are in threaded connection with the screw rod 1. The stopper 10 can prevent the pushing block 2 from excessively rotating to move out of the screw rod 1, so that the pushing block 2 is limited and protected.

The push block 2 comprises a rotary head 201 and an insertion block 203, the insertion block 203 is arranged on one side of the rotary head 201 and connected with the rotary head 201, rotary holes 205 are respectively formed in the rotary head 201 and the insertion block 203, internal threads are arranged in the rotary holes 205, a first insertion groove 204 is formed in the insertion block 203, one end of a first spring 3 is connected with the first insertion groove 204 in an inserting mode, the push plate 4 comprises a push plate body 401, a second insertion groove 402 is formed in the push plate body 401, and the other end of the first spring 3 is connected with the second insertion groove 402 in an inserting mode. This kind of setting can be convenient for first spring 3 and connect ejector pad 2 and push pedal 4, also can make ejector pad 2 through the effectual push pedal 4 that promotes of first spring 3, and the phenomenon of excessive distortion appears in the effectual first spring 3 that prevents.

The outer wall of the rotary head 201 is provided with a convex strip 202 which is fixedly connected. The raised strips 202 can increase the friction between the hand of the user and the rotor 201, so that the rotor 201 is convenient for the user to rotate, and the use efficiency of the rotor 201 is improved.

The scale 9 comprises a scale groove 901 and a size sticker 902, the scale groove 901 is arranged in the screw 1, and the size sticker 902 is arranged in the scale groove 901 and is connected with the scale groove 901 in an adhering mode. When the size sticking strip 902 is damaged, the size sticking strip can be directly replaced in the scale groove 901, so that the service life of the scale 9 can be effectively prolonged.

Specific using process

The pin header 12 is inserted into the mounting hole 7 at the bottom end of the fixing plate 5, and the pin header 12 is fixedly connected with the fixing plate 5 through the locking screw 6. During the use, can be according to the surface of a wound size, insert row needle 12 respectively on the normal skin of both sides wound reason, then rotate both sides ejector pad 2, ejector pad 2 promotes push pedal 4 through first spring 3, and push pedal 4 promotes fixed plate 5 and removes to row needle 12 can strain skin and carry out the wound shrink. Meanwhile, the second spring 8 between the two sets of fixing plates 5 can slow down the moving speed of the fixing plates 5, so that the adjusting precision is improved, the moving distance of the fixing plates 5 can be measured through the reference scale 9, and the use by a user is facilitated.

The utility model is a skin retractor, which has simple structure, simple operation, time and labor saving, safe and reliable, and reduces the pain of patients, and the dilator does not need to be buried when repairing skin tissues and reproducing organs; the outside of the screw rod 1 of the utility model is provided with the scale 9 with the same length as the screw rod, thereby increasing the application range of the skin traction device; the utility model discloses distance between two sets of fixed plates 5 need press through two sets of springs and just can adjust, and the speed is pressed down to the spring is slow, and distance between two sets of fixed plates 5 is adjusted slowly to skin tractive device's regulation precision has been improved.

Claims

1. The skin retractor is characterized by comprising a screw rod (1), wherein external threads are arranged on the outer side of the screw rod (1), a scale (9) is arranged on one side of the screw rod (1), the scale (9) is connected with the screw rod (1), the scale (9) is as long as the screw rod (1), push blocks (2) are respectively arranged at two ends of the screw rod (1), the push blocks (2) are in threaded connection with the screw rod (1), fixing plates (5) are arranged between the push blocks (2) on two sides, the fixing plates (5) are provided with two groups, the two groups of fixing plates (5) are respectively sleeved on the outer side of the screw rod (1) and are in sliding connection with the screw rod (1), a push plate (4) is arranged between the fixing plates (5) and the push blocks (2), the push plate (4) is also sleeved on the outer side of the screw rod (1) and is in sliding connection with the screw rod (1), one side of the push plate (4) is fixedly connected, a first spring (3) is arranged between the push plate (4) and the push block (2), the first spring (3) is sleeved outside the screw rod (1), one end of the first spring (3) is inserted into the push block (2) and connected with the push block (2), the other end of the first spring (3) is inserted into the push plate (4) and connected with the push plate (4), a second spring (8) is arranged between the two groups of fixing plates (5), the second spring (8) is also sleeved outside the screw rod (1), one end of the second spring (8) is inserted into the fixing plate (5) on one side and connected with the fixing plate (5), the other end of the second spring (8) is inserted into the fixing plate (5) on the other side and connected with the fixing plate (5), a mounting hole (7) is arranged in the bottom end of the fixing plate (5), and a locking screw (6) is arranged on one side of the bottom end of the fixing plate (5), the locking screw (6) penetrates through the fixing plate (5) and the mounting hole (7) and is in threaded connection with the fixing plate (5).

2. The skin retractor according to claim 1, wherein both ends of the screw (1) are respectively provided with a stopper (10), and the stoppers (10) are in threaded connection with the screw (1).

3. The skin retractor according to claim 1, wherein the push block (2) comprises a rotary head (201) and an insertion block (203), the insertion block (203) is arranged on one side of the rotary head (201) and connected with the rotary head (201), rotary holes (205) are respectively formed in the rotary head (201) and the insertion block (203), internal threads are formed in the rotary holes (205), a first insertion groove (204) is formed in the insertion block (203), one end of the first spring (3) is inserted into the first insertion groove (204) and connected with the first insertion groove (204), the push plate (4) comprises a push plate body (401), a second insertion groove (402) is formed in the push plate body (401), and the other end of the first spring (3) is inserted into the second insertion groove (402) and connected with the second insertion groove (402).

4. A skin retractor according to claim 3, wherein the outer wall of the swivel (201) is provided with a fixedly attached rib (202).

5. A skin retractor according to claim 1, wherein the scale (9) comprises a scale groove (901) and a size strip (902), the scale groove (901) is arranged in the screw (1), and the size strip (902) is arranged in the scale groove (901) and is adhesively connected with the scale groove (901).