CN216317770U

CN216317770U - Bearded needle pull rod type skin stretching closer

Info

Publication number: CN216317770U
Application number: CN202122512457.9U
Authority: CN
Inventors: 姜秀娟; 周鑫鑫; 韩凯
Original assignee: Qinglikang Medical Technology Suzhou Co ltd
Current assignee: Qinglikang Medical Technology Suzhou Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-19
Anticipated expiration: 2031-10-19

Abstract

The utility model provides a crochet hook pull rod type skin stretching closer, which comprises: one side of the pull rod is provided with a tooth groove; the middle of each joint is provided with a through hole, and the pull rod penetrates through the through holes in the middle of the two joints; the buckle is fixedly arranged above the joint and is movably matched with the tooth groove on one side of the pull rod; and the two groups of crochet hooks are respectively and fixedly connected below the two joints, and the hook directions of the two groups of crochet hooks are opposite. The utility model is used for wound skin stretching which is difficult to be directly sutured, the pull rod and the crochet hook are used for wound skin stretching, the stretching force can be conveniently adjusted and can be reversibly adjusted, the utility model can adapt to plane and non-plane irregular wounds, the volume is small, the skin wound is small, the postoperative activity of a patient is not influenced, the operation is very convenient, and the price is low.

Description

Bearded needle pull rod type skin stretching closer

Technical Field

The utility model relates to the technical field of surgical instruments clinically applicable to trauma surgery, orthopedics and plastic surgery, in particular to a crochet hook pull rod type skin stretching closer.

Background

Skin defects are a very troublesome problem that surgeons often need to deal with clinically. Common causes of skin defects include tumors, scars, trauma, inflammation, skin lesions and the like, and skin defects with large areas cannot be directly sutured to close wounds. At present, the main clinical treatment modes for skin defects at home and abroad comprise skin patch transplantation, flap transplantation, artificial skin, skin dilatation, skin stretching and the like. The common treatment is flap transplantation or skin dilation, which is complicated and highly complicated.

The skin stretching and extending operation uses a skin stretching and extending closer, normal skin at two sides of a skin defect wound extends under external force stretching by utilizing the extensibility of the skin, the distance of the wound edge is gradually reduced or closed, the stress relaxation of the skin is realized, so that extra skin is obtained, the reduction or closing of the wound surface is realized, the skin stretching and extending operation has the characteristics of no need of skin grafting, quick closing of the wound surface, reduction of complications and the like, and the skin stretching and extending operation becomes a new skin defect treatment mode.

Skin stretch closures can be classified as invasive and non-invasive depending on whether they are invasive inside the skin. The invasive method generally adopts kirschner wires, steel needles, leather nails, suture lines, steel wires, elastic bands, rubber bands and the like to invade the skin stretching closer into the skin to be fixed with the skin stretching closer. The non-invasive method adopts the mode of pasting to adhere the skin stretching closer on the skin surface and fix with it. The existing skin stretching closer clinically or in the research and development stage at present has the following defects: 1. the structure is too complex, the clinical installation operation is complicated, the time consumption is long, and the operation burden of medical staff is increased; 2. the traction force is insufficient or excessive, and the traction force cannot be locally and effectively adjusted so as to meet the requirements of the traction force of different parts of the wound; 3. mostly, the stretching is unidirectionally adjusted, and the back-off cannot be realized or is not easy to realize after the stretching is over-tight; 4. the cross section is designed to be planar and cannot adapt to non-planar or irregular wound wounds; 5. the volume is large, and inconvenience is brought to the patient who cannot stretch and close the operating table in a short time and needs to wear the operating table for a long time after the operation; 6. the price is high, and the economic burden of the patient is heavy.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the background art, the utility model aims to provide a crochet hook pull rod type skin stretching closer, which adopts a pull rod and a crochet hook to stretch the skin of a wound, has the advantages of convenient adjustment of the stretching force, reversible adjustment, small skin wound, adaptation to irregular wounds of planes and non-planes, small volume and very convenient operation.

In order to achieve the above object, the present invention provides a bearded needle pull rod type skin stretching closer, comprising: one side of the pull rod is provided with a tooth groove; the middle of each joint is provided with a through hole, and the pull rod penetrates through the through holes in the middle of the two joints; the buckle is fixedly arranged above the joint and is movably matched with the tooth groove on one side of the pull rod; and the two groups of crochet hooks are respectively and fixedly connected below the two joints, and the hook directions of the two groups of crochet hooks are opposite.

Optionally, the crochet hook comprises a main body part and a hook part, and an included angle between the main body part of the crochet hook and the pull rod is 10-90 °.

Optionally, the thickness of the pull rod is between 0.1 mm and 15 mm.

Optionally, the number of the set of crochet hooks is at least 2.

Optionally, the length of the crochet hook is 1-10 mm.

Optionally, a plurality of bearded needle pull rod type skin stretching closers are used side by side.

Optionally, when the skin stretching closer is used side by side, two adjacent pull rods are in the same or opposite directions.

Optionally, when a plurality of bearded needle pull rod type skin stretching closers are used side by side, the joints on two adjacent bearded needle pull rod type skin stretching closers are connected through the connecting strip.

Optionally, the crochet hook is connected with the joint in an integral injection molding mode, a mechanical matching mode or an adhesive bonding mode.

Optionally, the crochet hook is made of a metal material, and the joint, the pull rod and the buckle are made of a plastic or metal material.

The utility model has the following beneficial effects:

the utility model is used for wound skin stretching which is difficult to be directly sutured, the pull rod and the crochet hook are used for wound skin stretching, the stretching force can be conveniently adjusted and can be reversibly adjusted, the utility model can adapt to plane and non-plane irregular wounds, the volume is small, the skin wound is small, the postoperative activity of a patient is not influenced, the operation is very convenient, and the price is low. The skin stretching closer has the advantages of wide clinical indications, convenient operation, operation time saving, capability of quickly and effectively reducing skin defects, capability of solving the defects of products in the existing market, capability of effectively reducing the requirements on skin grafting and flap surgery, no need of secondary surgery and good application prospect.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.

Fig. 1 shows a single-row one-way drawing overall structure schematic diagram of one embodiment of the utility model.

Fig. 2 shows the detail of the crochet hook of the utility model and the schematic diagram of the angle between the crochet hook and the connector.

FIG. 3 shows a schematic of tie rod gullet and thickness of the present invention.

Figure 4 shows a multi-row one-way pulling overall (cross-connect) of one embodiment of the present invention.

Fig. 5 shows a multi-row bi-directional pulling overall (cross-connect) of one embodiment of the present invention.

Description of reference numerals:

1-crochet hook, 2-crochet hook, 3-joint, 4-joint, 5-draw bar, 6-buckle, 7-through hole, 8-main body part, 9-hook part and 10-connecting strip

Detailed Description

Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein.

Referring to fig. 1 to 5, the bearded needle pull rod type skin stretching closer according to the present invention includes: one side of the pull rod 5 is provided with a tooth socket; the middle of each joint is provided with a through hole 7, the pull rod 5 penetrates through the through holes 7 in the middle of the two joints, one joint 3 is positioned at the starting end of the pull rod 5, and the other joint 4 is positioned on the tooth groove of the pull rod 5; the buckle 6 is fixedly arranged above the joint and is movably matched with the tooth groove on one side of the pull rod 5; two groups of crochet hooks are respectively and fixedly connected below the two connectors, the hook directions of the two groups of crochet hooks are opposite, referring to fig. 1, one group of crochet hooks 1 is connected below the connector 3, and one group of crochet hooks 2 is connected below the connector 4.

In the bearded needle pull rod type skin stretching closer, the buckle 6 can be lifted or fallen, when the buckle is lifted, the pull rod 5 penetrating through the through hole 7 in the middle of the joint can realize drawing movement, when the buckle 6 falls, the buckle is tightly clamped with the tooth socket on one side of the pull rod 5, and the pull rod 5 is fixed. The pull rod can be pulled and fixed by the aid of the buckles matched with the tooth grooves, and the pull rod can be pulled reversibly because the buckles can be lifted up or fall down. The utility model adopts the pull rod, the buckle and the crochet hook to draw the skin of the wound, the tension force can be conveniently adjusted and can be reversibly adjusted, the utility model can adapt to the irregular wound of a plane and a non-plane, has small wound to the skin and smaller volume, does not influence the postoperative activity of a patient, and has very convenient operation and low price.

In one embodiment of the clip, the clip 6 may be attached to one of the connectors 4 (see fig. 1, 2, 4 and 5). In another embodiment, a snap (not shown) may be attached to both connectors.

In an example of the crochet hook, referring to fig. 2, the crochet hook comprises a main body part 8 and a hook part 9, and the main body part 8 of the crochet hook forms an angle of 10-90 ° with the pull rod 5.

In one example of a pull rod, referring to fig. 3, the pull rod 5 has a thickness of 0.1-15mm, and can have different rigidities to fit different wounds in a plane and a curved surface.

In an example of a crochet hook, with reference to fig. 1, 4 and 5, the number of said set of crochet hooks 1 is at least 2. The number of the crochet hooks is not limited thereto and may be selected according to the wound condition of the patient.

In one example of a crochet hook, the length of the crochet hook is 1-10 mm.

The crochet hook pull rod type skin stretching closer can be used independently according to clinical conditions, and can also be used in a plurality of combinations. Referring to fig. 4 and 5, multiple bearded needle pull rod type skin stretching closures may be used side by side. When used side by side, the skin stretching closer can be directly used side by side, and a plurality of crochet hook pull rod type skin stretching closers can be connected by using the connecting strip. Referring to the embodiment shown in fig. 4 and 5, the connectors on two adjacent skin stretching closures may be connected by a connecting strip 10.

When a plurality of bearded needle pull rod type skin stretching closer are used side by side, the directions of two adjacent pull rods can be the same, refer to fig. 4. The directions of two adjacent pull rods can be opposite, refer to fig. 5. In one embodiment, referring to FIG. 4, the tie rod directions may all be the same. In another embodiment, the tie rod directions may be partially the same and partially reversed (not shown). The direction of the pull rod is selected according to the wound condition of a patient when the medical device is used compositely.

When the crochet hook pull rod type skin stretching closer is used, firstly, the crochet hook (with buckles on one side or both sides) connected with the connector is oppositely penetrated into two sides of a wound in the direction of a hook, then the pull rod is inserted into the through hole of the connector, and the skin is stretched by pulling the pull rod. If the pull rod is pulled too tightly or the tension is too large, the buckle can be lifted, and the pull rod is retracted to a proper position. When the skin on the two sides of the wound is gradually pulled and stretched to the magnitude of the tension capable of being sutured, the wound is sutured or closed without further pulling, then the buckles are sequentially lifted, the pull rod is taken out, and the crochet hook is taken out.

In the bearded needle pull rod type skin stretching closer, the bearded needle is connected with the joint in an integral injection molding mode, a mechanical matching mode or an adhesive bonding mode.

In the bearded needle pull rod type skin stretching closer, the bearded needle is made of metal materials, and the joint, the pull rod and the buckle are made of plastic or metal materials.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. A bearded needle pull rod type skin stretching closer is characterized by comprising:

one side of the pull rod is provided with a tooth groove;

the middle of each joint is provided with a through hole, and the pull rod penetrates through the through holes in the middle of the two joints;

the buckle is fixedly arranged above the joint and is movably matched with the tooth groove on one side of the pull rod;

and the two groups of crochet hooks are respectively and fixedly connected below the two joints, and the hook directions of the two groups of crochet hooks are opposite.

2. The bearded needle pull rod type skin stretching closer as claimed in claim 1, wherein the bearded needle comprises a main body part and a hook part, and the included angle between the main body part of the bearded needle and the pull rod is 10-90 °.

3. The bearded needle pull rod type skin stretching closer of claim 1, wherein the thickness of the pull rod is between 0.1-15 mm.

4. The bearded needle pull rod type skin stretching closer according to claim 1, wherein the number of the group of bearded needles is at least 2.

5. The bearded needle pull rod type skin stretching closer according to claim 1, wherein the length of the bearded needle is 1-10 mm.

6. The bearded needle pull rod type skin stretching closer of claim 1, wherein a plurality of bearded needle pull rod type skin stretching closer are used side by side.

7. The bearded needle pull rod type skin stretching closer of claim 6, wherein a plurality of bearded needle pull rod type skin stretching closer are used side by side, wherein the directions of two adjacent pull rods are the same or opposite.

8. The bearded needle pull rod type skin stretching closer of claim 6, wherein when a plurality of bearded needle pull rod type skin stretching closer are used side by side, the joints on two adjacent bearded needle pull rod type skin stretching closer are connected by a connecting strip.

9. The bearded needle pull rod type skin stretching closer according to claim 1, wherein the bearded needle is connected with the joint by means of integral injection molding, mechanical fit or adhesive bonding.

10. The bearded needle pull rod type skin stretching closer as claimed in claim 1, wherein the bearded needle is made of metal material, and the joint, the pull rod and the buckle are made of plastic or metal material.