CN212326601U - Annular skin stretching and closing device - Google Patents

Abstract

An annular skin stretching closer, the annular skin stretching closer comprising: an annular skeleton (1); the locking device comprises a plurality of locking seats (2) arranged on the periphery of an annular framework (1), wherein each locking seat (2) is vertically provided with a locking screw hole (203), a locking screw (205) is screwed in each locking screw hole (203), and the locking seat (2) is locked on the annular framework (1) by the locking screw (205); each locking seat (2) is provided with a radial screw hole (204), an adjusting screw (3) with the head extending into the ring is screwed in the radial screw hole (204), and the adjusting screw (3) is divided into a screw shaft (301), a rotary handle (302) at the tail and a shaft neck (303) at the head; the shaft neck (303) is provided with a crochet hook seat (4), and the crochet hook seat (4) is provided with a crochet hook (5) which does not rotate along with the adjusting screw rod (3). The invention can gather the wound from the periphery in a ring shape, and can apply the corresponding pulling force towards the center of the wound according to different needle insertion points.

Description

Annular skin stretching and closing device

Technical Field

The utility model belongs to the field of medical equipment, a skin stretching closer (SSD) for treating skin defects, skin and subcutaneous tissue defects is related to, and the SSD is particularly suitable for treating III-IV phase pressure injuries (bedsore) to gradually reduce the wound until the growth and the healing.

Background

Partial skin and/or subcutaneous tissue defects of the body are often associated with various trauma, pressure injuries. Pressure injury, especially III-IV stage pressure injury, has the disadvantages of huge wound surface injury, multi-level tissue necrosis, serious infection of wound and surrounding soft tissues, deletion of whole skin and subcutaneous tissues of the wound surface after debridement, and exposure of muscles, tendons and local bones. The traditional concept is used for treating small soft tissue defects by drug replacement, the soft tissue defects are naturally healed, and large defects can be locally used for closing wounds by using drugs for promoting wound healing, punctiform skin grafting, local skin flap transposition and other modes.

The journal of microsurgery of china 2018, 2.8, vol.41, vol.1, published a text "application of skin stretch closer to wound repair of refractory bedsores" (author: heiepian, lie, liu tian bo, liu yanling, wangjiang ning), which is written: bedsores often occur in patients who lie in bed for a long time due to paraplegia after spinal trauma, intertrochanteric fracture of femur, fracture of femoral neck or cerebrovascular accident, and the elderly are among the patients. Patients with sacrococcygeal refractory bedsores may be associated with infection or malnutrition, and the disease is likely to cause infection, even septicemia, and ultimately death. Since conservative treatments such as dressing change of wound surface cannot be cured radically and often aggravate the original condition, surgical operation treatment is generally selected. The traditional surgical treatment methods comprise debridement and skin grafting, local skin flap repair, free skin flap repair and the like, but the treatment period is long, multiple operations are required, and the risk of infection and the like is high. The skin stretching closer is an auxiliary instrument which can gradually close the wound surface under the condition of tension reduction, and is applied to the repair of the wound surface of limb trauma and the wound surface of diabetic foot ulcer. The penmen adopted the pull-rod type skin expander produced by the Bayer Weimm Chinese science and technology development Limited in clinic, and obtained good effects.

Chinese patent publication No. 2019, 2.19 discloses a double-reverse pulling skin expander and its use, publication No. (CN109350159A), its structure includes a bidirectional pulling device, a suture fixing device, a steel cable, a hook, symmetrically arranged suture fixing devices fixed together with the skin on both sides of the wound; the steel cable is sleeved with the sewing and fixing device; two sides of the double-reverse traction device are connected with symmetrically arranged steel cables. Through the double-reverse traction device, the two arc steel cables which are symmetrically placed tend to be straightened and approach to each other, namely, a double-reverse traction force is generated, the skin around the wound is indirectly pulled through the suture fixing device under the action, the skin on two sides of the wound is indirectly pulled to the central line, the two symmetrical flaps are slowly drawn close to each other, and finally the wound is closed. However, the double-reverse traction skin expander is suitable for traction of regular wounds, such as use of wound which is difficult to close due to the fact that local soft tissue is not damaged and the soft tissue around the wound is swollen; for patients with irregular wounds and large soft tissue defects, force points of local skin traction are prone to be stressed unevenly; the traction apparatus has the traction force point only on the skin, and for the aged patients with loose skin and weak subcutaneous soft tissue, the application of the apparatus is easy to cause the formation of cavities around the wound, thereby causing the wound not to heal.

Chinese patent publication No. 2019, 10.1 discloses a row-hook type skin stretching closer, publication No. (CN110292406A), which comprises an adjusting component and a fixed hook device, wherein the adjusting component comprises a threaded rod, a pressure regulating member and a pressure regulating spring, the device comprises a sliding sleeve and a fixing nut, wherein the fixing hook device comprises a fixing hook body and a plurality of hooks arranged on the fixing hook body, a round hole is transversely formed in the upper portion of the fixing hook body, the fixing nut and a pressure regulating member are respectively and rotatably arranged at two ends of a threaded rod, the pressure regulating spring and the sliding sleeve are sequentially sleeved on the threaded rod, the pressure regulating member, the pressure regulating spring and the sliding sleeve are sequentially pushed and matched, an inner sleeve and an outer sleeve which are mutually sleeved are sleeved on the threaded rod between the sliding sleeve and the fixing nut in a sleeved mode, the two fixing hook devices are slidably sleeved on the inner sleeve through the round hole and are respectively pushed and matched with the outer sleeve and the fixing nut in; or an inner sleeve is not arranged, and a polished rod section is arranged in the middle of the threaded rod; thereby ensuring that the fixing hook device cannot be blocked when sliding. The row-hook type skin stretching closer is mainly characterized in that the fixing hooks of the row-hook type skin stretching closer hook into the subcutaneous part and gather wounds bilaterally, symmetrically and gradually. It is particularly suitable for the wound which cannot be sutured and appears due to swelling after the operation incision. However, the row-hook type skin stretching closer cannot ensure the stress balance of the skin on one side in the stretching process, so that the stress concentration of the stretched skin is easily caused, and blisters or necrosis occurs when the tension is too large; the tool is relatively large in size and is not suitable for being used for wounds on the supine pressed side of a human body; and is not suitable for patients with wounds on different planes of the body surface.

Chinese patent publication No. 2019, 3 month and 22, discloses a skin stretching closer, publication No. (CN109498091A), which is characterized in that: the utility model provides a skin draws a closer, it includes two stickers and draws a rack, the sticker includes pasting portion and supporting part, the supporting part includes backup pad and self-locking mechanism, self-locking mechanism includes the connecting plate, cross cab apron and operation panel, draw a rack including drawing a portion and fixed part, a plurality of racks of upper surface equipartition of drawing a portion, the medial surface of rack is vertical face, the lateral surface is the inclined plane, the lower surface of connecting plate is equipped with the tooth's socket, the supporting part of two stickers sets up relatively, the fixed part card of drawing a rack establishes the cab apron department of crossing of a sticker, the free end passes the draw a rack through-hole of two stickers. The device provided by the utility model simple structure, tensile strength are strong and can realize the auto-lock of a mechanism that leads. The device can be used for drawing and closing the skin on two sides of the wound, is suitable for small wounds, does not pollute the wound, and can be used for closing the operation incision. However, for large and deep wounds, the traction of soft tissues under the wound is difficult, exuded and infected wounds exist, the wound closure is difficult, the wound surface is shielded by the rack, and the wound surface is difficult to treat after use; after the large and deep wound is used, the lower lacuna of the wound can be generated due to the close of the skin, no traction of subcutaneous soft tissue or weak traction force relative to the skin.

The above documents all have a fatal problem that the pulling force to the peripheral skin is not uniform in the case of a wound having a circular or elliptical shape, and the pulling force cannot be applied appropriately for different crochet hooks (skin force application points). Moreover, the existing skin stretching closer has more complex structure and inconvenient operation. Especially, the existing skin stretching closer mostly shields the wound, is not favorable for doctors to observe the wound condition, and is also not favorable for wound nursing.

Disclosure of Invention

The illizalov (Ilizarov) physician is a famous orthopedist in the former soviet union, and one of the important discovery principles is the "tension stress biological principle", namely: under tensile stress, active tissue formation occurs not only in bone, but also in soft tissue. Adult and new tissue formation and growth processes share many common features compared to early and late birth tissue formation. In the 70 th 20 th century, Ilizarov center conducted a number of tensile stress soft tissue regeneration animal experiments and achieved some experimental results (including clinical applications) to confirm that the stimulatory effect of tensile stress on tissues has a tissue growth promoting effect. Further studies have demonstrated that: nerves, blood vessels, and muscle tissues, under stress stimulation with slow traction, exhibit a biological process of cell division and regeneration similar to that of bone cells. Even if the striated muscle cells which are considered to be no longer divided and regenerated by normal adults originally appear, stellate cell proliferation occurs in slow traction, and then the stellate cells are divided into myoblasts and finally form new muscle tissues; in the slow nerve traction and extension process, nucleus pulposus proteins can be secreted by nerve marrow cells to promote the regeneration of nerve tissues.

The utility model discloses use soft tissue tensile stress principle promptly, in huge skin breach (local tension is big, be difficult to sew up), perhaps skin and subcutaneous soft tissue defect patient, utilize annular skin to draw a closer, from the wound around 1-2cm normal skin of department and subcutaneous tissue (normal tissue around the wound promptly), to wound center tractive, make around the wound normal soft tissue (skin and subcutaneous tissue) slowly regenerate under certain tension, promote around the wound normal tissue to the wound center growth, the wound reduces gradually, until the wound is closed completely.

The utility model aims at the not enough of current SSD technique, design one kind and adapt to various skin wounds, skin and subcutaneous tissue gather to the wound center around can never equidirectional tractive wound, can adjust crochet hook impetus position at any time according to the wound circumstances needs, the degree of depth, local condition adjustment wound is to closing the position, can apply corresponding tractive force (skin stress) to specific crochet hook impetus position, a structure is simple, and convenient for operation, the volume is not big, it is little to normal tissue influence on every side, be favorable to the doctor to observe the surface of a wound condition simultaneously, the annular skin that also is favorable to wound nursing work draws a closer.

The utility model adopts the technical proposal that: an annular skin stretching closer, the annular skin stretching closer comprising:

an annular skeleton;

a plurality of locking seats are arranged on the periphery of the annular framework, each locking seat is vertically provided with a locking screw hole, a locking screw is screwed in each locking screw hole, and the locking seat is locked on the annular framework by the locking screw; the locking screw is unscrewed, and the corresponding locking seat can be randomly moved between two adjacent locking seats and repositioned; the shape of the annular framework is usually circular, and can be elliptical or even rectangular when necessary; the cross-sectional shape of the annular skeleton is generally rectangular or circular; the locking seat and the annular framework can be locked in other equivalent modes;

each locking seat is provided with a radial screw hole, an adjusting screw rod with a head extending into the ring is screwed in the radial screw hole, and the adjusting screw rod is divided into a screw rod shaft, a rotary handle at the tail part and a shaft neck at the head part;

the shaft neck is provided with a crochet hook seat, the crochet hook seat is provided with a crochet hook which does not rotate along with the adjusting screw rod, and the crochet hook is divided into a crochet hook rod, a crochet hook bend and a crochet hook tip. When the adjusting screw rod is screwed in, the crochet hook applies a pulling force towards the center of the wound to the corresponding skin acting point.

Preferably: the annular framework is a non-closed ring, two ends of the non-closed ring are designed into tenon-and-mortise structures which are matched with each other, and a tenon-and-mortise hoop is sleeved on the non-closed ring; horizontal holes are formed in the locking seat along the direction of the annular framework, the annular framework penetrates through the horizontal holes, the locking screw holes are communicated with the horizontal holes, and the locking seat is locked on the annular framework after the locking screws penetrate through the locking screw holes. According to the design, one end of the non-closed ring needs to penetrate through the horizontal hole of the locking seat, all the locking seats required by the design are penetrated into the horizontal hole, the mortise and tenon structures at the two ends of the non-closed ring are buckled, and the mortise and tenon structures are hooped by the mortise and tenon hoops to prevent the mortise and tenon dislocation. In this case, the shape of the non-closed loop is circular or elliptical.

Or: the annular framework is a closed ring, an open slot is formed in the locking seat along the direction of the annular framework, the annular framework is embedded in the open slot, the locking screw hole is communicated with the open slot, and the locking screw penetrates through the locking screw hole to lock the locking seat on the annular framework.

Of course, the locking seat can be locked on the annular framework by using the visor of the locking screw, but the possibility of accidental falling failure exists in the mode.

Preferably: the open slot is the ladder groove, and annular skeleton inlays in the ladder of ladder groove.

Preferably: the open slot is a swing angle slot, namely, two side faces of the open slot are designed into inclined planes. The swinging groove is designed to ensure that the locking seat can properly deviate in the horizontal direction, so that the adjusting screw rod can not only stretch along the radial direction, but also can be adjusted by proper left-right swinging. Thus, the adjusting screw can not only apply radial centripetal force to the crochet hook, but also apply a certain tangential force to the crochet hook.

Preferably: the hook needle seat is provided with a shaft hole along the radial direction, a bearing is matched in the shaft hole, the shaft neck is matched in the bearing hole, the hook needle seat is provided with an end face screw hole along the radial direction, an end face screw with a cap peak is screwed in the end face screw hole, and the hook rod is fixed between the cap peak of the end face screw and the end face of the hook needle seat. The design mode realizes that the crochet hook does not rotate along with the adjusting screw rod, but can apply centripetal traction force along with the skin of the front feeding acting point of the adjusting screw rod. However, with this design, if the hook needle is removed without loosening the end face screw, the adjusting screw rod is retracted, and the hook needle is retracted synchronously, which may risk pulling the new skin apart.

Or: the diameter of the shaft neck is smaller than that of the screw shaft, the shaft neck forms a hook needle seat, the tail part of the hook rod is bent into an arc-shaped hook, and the arc-shaped hook is hung on the shaft neck. By the design mode, the crochet hook can not rotate along with the adjusting screw rod. When the adjusting screw rod advances, the crochet hook can apply centripetal traction force to the acting point; when the adjusting screw rod retreats, the crochet hook automatically falls off from the shaft neck.

Or: the shaft neck section is provided with a shaft center hole which forms a hook needle seat, the tail part of the hook rod is bent into a hook handle, and the hook handle is inserted into the shaft center hole. By the design mode, the crochet hook can not rotate along with the adjusting screw rod. When the adjusting screw rod advances, the crochet hook can apply centripetal traction force to the skin acting point; when the adjusting screw rod retreats, the crochet hook automatically falls off from the axle center hole.

Besides the design and assembly form of the three types of the crochet hook seats and the crochet hooks, the skin of the crochet hooks can apply centripetal force to the acting points without rotating along with the adjusting screw rod when the adjusting screw rod rotates in a screwing mode in a plurality of equivalent modes.

Preferably: the cross section of the hook tip is polygonal, and is generally triangular (prismatic).

Preferably: the end surface of the hook needle seat is provided with a vertical groove, and the hook rod is embedded into the vertical groove. Thus, the hook needle can be further limited.

The utility model discloses in, the hook bending section designs into the circular arc section about 110 and is suitable.

The utility model has the advantages that: the design purpose is completely achieved. Can obviously shorten the healing time of the wound of the patient, does not influence the usual dressing change treatment, reduces the times of the surgical treatment of the patient, reduces the risk in the treatment process and avoids the iatrogenic complications possibly caused by other external devices. The utility model discloses still have following characteristics: 1. the volume is small, the weight is light, and the influence on surrounding normal tissues is small when the implant is implanted; 2. normal skin and subcutaneous tissues around the wound are accelerated to be polymerized to the center of the wound, and the wound is reduced; 3. the wound can be polymerized circularly from the periphery, and other common polymerization modes can be adopted according to the requirement; 4. the problem of single plane or single tissue level polymerization wound is solved; 5. the operation is simple and flexible, the temporary adjustment under different conditions is facilitated, and the wound is convenient to nurse; 6. is suitable for wounds of different parts of a patient: limbs, thorax and abdomen, lumbodorsal, sacrococcygeal; 7. is suitable for various types of wounds: surgical incisions, irregular open defect wounds, large defect wounds; 8. the corresponding centripetal pulling force can be applied according to different bearded needle force points; 9. if necessary, a certain tangential force can also be applied.

Drawings

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

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Fig. 3 is a schematic view of the assembly of the screw rod and the crochet hook with the crochet hook seat of the utility model.

Fig. 4 is a top view of the ring-shaped frame of the present invention being a closed ring.

Fig. 5 is a schematic view of the end mortise-tenon joint of the non-closed ring of the annular frame of the present invention.

Fig. 6 is a schematic perspective view of a locking seat when the annular frame of the present invention is a closed ring.

Fig. 7 is a schematic perspective view of another locking seat of the present invention when the annular frame is a closed ring.

Fig. 8 is a schematic perspective view of the locking seat when the annular frame of the present invention is a non-closed ring.

Fig. 9 is a schematic view of the adjusting screw structure of the present invention.

Fig. 10 is a perspective view of the crochet hook base of the present invention in one direction.

Fig. 11 is a perspective view of the crochet hook base of the present invention in another direction.

Fig. 12 is a schematic view of an end face of the crochet hook of the present invention assembled with the crochet hook base.

Fig. 13 is a schematic view of the structure of the crochet hook of the present invention.

Fig. 14 is a front view of fig. 7.

Fig. 15 is a left side view of fig. 7.

Fig. 16 is a sectional view B-B of fig. 14.

Fig. 17 is a side view of the tail of the hook stem bent into an arcuate hook.

FIG. 18 is a schematic view of an arc hook on a journal.

Fig. 19 is a schematic view of the shank inserted in the axial hole.

In the figure: 1. the novel hook comprises an annular framework, 101, a closed ring, 102, a non-closed ring, 103, a mortise and tenon structure, 104, a mortise and tenon hoop, 2, a locking seat, 201, an open slot, 202, a horizontal hole, 203, a locking screw hole, 204, a radial screw hole, 205, a locking screw, 206, a swing angle groove, 3, an adjusting screw, 301, a screw shaft, 302, a rotating handle, 303, a shaft neck, 304, a shaft center hole, 4, a hook needle seat, 401, an end face screw, 402, a shaft hole, 403, a bearing, 404, a vertical groove, 405, an end face screw hole, 5, a hook needle, 501, a hook rod, 502, a hook bend, 503, a hook tip, 504, an arc hook, 505 and a hook handle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to figures 1, 2, 3, 6, 7, 8 and 9, an annular skin stretching closer comprising:

an annular frame 1;

a plurality of locking seats 2 are arranged on the periphery of the annular framework 1, each locking seat 2 is vertically provided with a locking screw hole 203, a locking screw 205 is screwed in each locking screw hole 203, and the locking screw 205 locks the locking seat 2 on the annular framework 1;

each locking seat 2 is provided with a radial screw hole 204, an adjusting screw rod 3 with a head extending into the ring is screwed in the radial screw hole 204, and the adjusting screw rod 3 is divided into a screw rod shaft 301, a rotary handle 302 at the tail part and a shaft neck 303 at the head part;

the shaft neck 303 is provided with a crochet hook seat 4, and the crochet hook seat 4 is provided with a crochet hook 5 which does not rotate along with the adjusting screw 3. The crochet hook 5 is divided into a crochet hook rod 501, a crochet hook 502 and a crochet hook point 503.

As shown in fig. 1, 5 and 8, the annular framework 1 is a non-closed ring 102, two ends of the non-closed ring 102 are designed into tenon-and-mortise structures 103 which are mutually matched, and a tenon-and-mortise hoop 104 is sleeved on the non-closed ring 102; horizontal holes 202 are formed in the locking seat 2 along the direction of the annular framework 1, the annular framework 1 penetrates through the horizontal holes 202, the locking screw holes 203 are communicated with the horizontal holes 202, and the locking screw 205 penetrates through the locking screw holes 203 to lock the locking seat 2 on the annular framework 1.

As shown in fig. 1, 2, 4, 6 and 7, the annular frame 1 is a closed ring 101, an opening groove 201 is formed in the locking seat 2 along the direction of the annular frame 1, the annular frame 1 is embedded in the opening groove 201, the locking screw hole 203 is communicated with the opening groove 201, and the locking screw 205 passes through the locking screw hole 203 and then locks the locking seat 2 on the annular frame 1.

As shown in fig. 2, 6 and 7, the opening groove 201 is a stepped groove, and the ring frame 1 is embedded in a step of the stepped groove.

As shown in fig. 7, 14, 15 and 16, the opening groove 201 is a swing angle groove 206.

As shown in fig. 2, 3, 10, 11, 12 and 13, the hook needle holder 4 is provided with a shaft hole 402 along the radial direction, the shaft hole 402 is provided with a bearing 403, the shaft neck 303 is fitted in the bearing 403, the hook needle holder 4 is provided with an end face screw hole 405 along the radial direction, an end face screw 401 with a cap peak is screwed in the end face screw hole 405, and the hook rod 501 is fixed between the cap peak of the end face screw 401 and the end face of the hook needle holder 4.

As shown in fig. 17 and 18, the present invention can also be configured as follows: the diameter of the shaft neck 303 is smaller than that of the screw shaft 301, the shaft neck 303 forms a hook needle seat 4, the tail part of the hook rod 501 is bent into an arc-shaped hook 504, and the arc-shaped hook 504 is hung on the shaft neck 303.

As shown in fig. 19, the present invention may also be configured as follows: the section of the shaft neck 303 is provided with a shaft center hole 304, the shaft center hole 304 forms a hook needle seat 4, the tail part of the hook rod 501 is bent into a hook handle 505, and the hook handle 505 is inserted into the shaft center hole 304.

The cross-sectional shape of the hook tip 503 may be polygonal (e.g., triangular, not shown).

As shown in fig. 10 and 12, the end face of the crochet hook seat 4 is provided with a vertical groove 404, and the crochet hook 501 is embedded in the vertical groove 404.

Use to the patient the utility model discloses an annular skin leads and opens closure before, should assess the patient's condition comprehensively: 1. understanding and matching of the family members to the treatment: treatment cost support; the diet is reasonably matched; 2. evaluating the stability of other basic diseases of the patient without the tendency of deterioration; if the organism of the patient gradually declines, various basic diseases have been in the terminal stage, the disease condition is critical, and no treatment significance is provided; 3. the basic care of the patient is guaranteed (bedsore care is very important, and the condition is aggravated if improper care treatment is not effective); 4. the wound is cleaned or relatively cleaned, the tension is not large, and the wound which can be closed is implanted without an annular skin stretching closer; clean, high-tension and difficult-to-close wound can be implanted by the annular skin stretching closer; the wound is polluted, the wound with large tension and difficult closing needs debridement treatment, the annular skin stretching closer is implanted after the wound is bright red and the infection of surrounding soft tissues is controlled, and the condition of the patient is aggravated after the surrounding tissues are implanted with serious infection.

The operation steps are as follows:

preoperative design: 1. taking the position of the wound of the patient facing upwards, and setting a crochet hook needle inserting point with a marking pen 1-2cm away from the edge of the wound, wherein if a cavity gap appears below the skin edge, the crochet needle inserting point can be properly widened to 2-3cm away from the edge of the wound; at the moment, an operator and an assistant simulate a crochet needle inserting point by fingers, and the inserting point is symmetrically arranged; pushing skin around the wound to the center of the wound, determining the condensation effect of the wound, the displacement condition of a skin flap between needle insertion points of a crochet needle and the folding condition of the skin flap, properly adjusting the skin displacement condition and the folding condition of the skin flap, ensuring that the skin at the edge of the wound is too folded and too dispersed after the wound is polymerized as far as possible, and finally confirming the position of each needle insertion point and marking; confirming the number of needle insertion points, and preparing a crochet needle according to the number of the needle insertion points; 2. measuring the diameter of the wound, selecting a proper size annular framework (the annular framework is required to completely cover the wound), and assembling components of the annular skin stretching closer except for the crochet hook according to the determined number of needle points and the position of each needle point.

Operation: 1. a wound disinfection drape is used for cutting necrotic tissues and skin margins, and hydrogen peroxide, normal saline and povidone iodine are used for washing the wound; 2. the method comprises the following steps of hooking a hook needle into a preset needle inlet point, adjusting the needle inlet depth according to local skin, and meeting the requirement that the hook needle is hooked into the needle inlet point: a. the hook tip is approximately towards the center of the wound; b. the skin around the wound is different in thickness, so that the hook tip enters the fascia layer of the patient to a depth; c. in order to ensure that the skin and the subcutaneous tissues hooked by the hook tip converge towards the center of the wound, the force balance of the skin and the subcutaneous tissues is ensured after the skin and the subcutaneous tissues are hooked; 3. assembling the crochet hook 5 on the corresponding crochet hook seat at the position of 0.5-1cm away from the skin of the needle inserting point of the crochet hook hooked into the skin; 4. the position of the locking seat is finely adjusted, so that excessively convex wrinkles formed on the skin between the crochet hooks are avoided; 5. the wound is reduced according to the skin tension around the needle insertion point, and the requirements are as follows: a. symmetrically screwing the adjusting screw 3 into the center of the wound; b. the local tension of the skin cannot be too large, and secondary skin necrosis can occur when the local tension is too large; when the skin tension is too small, no polymerization effect exists, and the skin tension is properly generated by adjusting the adjusting screw to the corresponding point; at the moment, the size of the wound is smaller than the original size of the wound, and the wound is filled with sterile gauze; changing the dressing every day; in order to avoid iatrogenic pressure sores, the annular framework is packed and wrapped by a cotton pad, the annular skin stretching closer is fixed on a patient by using an adhesive tape or a bandage, the annular skin stretching closer is detached every day when changing medicines, and the skin condition below the annular skin stretching closer is observed.

And (3) postoperative treatment: postoperative wound nursing, avoid annular skin to stretch closure ware and skin compression around it, closely observe the skin tension condition around the needle track three times a day to and the skin condition of annular skeleton 1 below, have the following possible condition: (1) observing a needle feeding point and the skin below the annular skin stretching closer, wherein the needle feeding point is infected or not, the skin is infected or not, if the annular skin stretching closer is seriously infected, the annular skin stretching closer needs to be detached, and if the annular skin stretching closer is seriously infected, the position of a hook needle needs to be adjusted or a cotton pad is stuffed below the annular skin stretching closer to protect the pressed skin; (2) when the adjusting screw is screwed in, if the local skin flap is folded due to larger gap of the crochet needle and the skin is protruded to grow, the position of the locking seat can be temporarily adjusted; (3) the local tension is stable, the skin color is ruddy, and the adjusting screw rods can be symmetrically screwed into the adjusting screw rods for 1mm every day after 7-10 days after the operation until the wound is completely closed. If the local skin tension is too large, local skin ischemia can be seen in 6-8 hours, the color becomes dark, local tensive blisters can appear after 12-24 hours, and the local skin necrosis is seen over 24 hours, so the observation is particularly important, once the local skin tension is found, the crochet hook needs to be symmetrically detached from the crochet hook seat, the local skin is decompressed, the local skin tension is released, and the blood circulation is improved; (4) gradually reducing the wound until the wound is closed, and maintaining the wound to be closed for 1-2 weeks without large local skin tension.

The above is only an example for further explaining the present invention, and the specific product design of the annular skin stretching closer and the operation method can be adjusted and changed.

Claims (10)

1. An annular skin stretching closer, the annular skin stretching closer comprising:

an annular skeleton (1);

the locking device comprises a plurality of locking seats (2) arranged on the periphery of an annular framework (1), wherein each locking seat (2) is vertically provided with a locking screw hole (203), a locking screw (205) is screwed in each locking screw hole (203), and the locking seat (2) is locked on the annular framework (1) by the locking screw (205);

each locking seat (2) is provided with a radial screw hole (204), an adjusting screw (3) with the head extending into the ring is screwed in the radial screw hole (204), and the adjusting screw (3) is divided into a screw shaft (301), a rotary handle (302) at the tail and a shaft neck (303) at the head;

the shaft neck (303) is provided with a crochet hook seat (4), the crochet hook seat (4) is provided with a crochet hook (5) which does not rotate along with the adjusting screw rod (3), and the crochet hook (5) is divided into a crochet hook rod (501), a crochet hook bend (502) and a crochet hook tip (503).

2. The annular skin stretching closure of claim 1, wherein: the annular framework (1) is a non-closed ring (102), two ends of the non-closed ring (102) are designed into tenon-and-mortise structures (103) which are matched with each other, and tenon-and-mortise hoops (104) are sleeved on the non-closed ring (102); horizontal holes (202) are formed in the locking seat (2) along the direction of the annular framework (1), the annular framework (1) penetrates through the horizontal holes (202), the locking screw holes (203) are communicated with the horizontal holes (202), and the locking screw (205) penetrates through the locking screw holes (203) and then locks the locking seat (2) on the annular framework (1).

3. The annular skin stretching closure of claim 1, wherein: annular skeleton (1) is closed ring (101), and it has open slot (201) to open along annular skeleton (1) direction on locking seat (2), and annular skeleton (1) inlays in open slot (201), and locking screw (203) and open slot (201) intercommunication, and locking screw (205) pass behind locking screw (203) with locking seat (2) locking on annular skeleton (1).

4. The annular skin stretching closure of claim 3, wherein: the open slot (201) is a step slot, and the annular framework (1) is embedded in a step of the step slot.

5. The annular skin stretching closure of claim 3 or 4, wherein: the opening groove (201) is a swing angle groove (206).

6. The annular skin stretching closure of claim 1, wherein: the hook needle seat (4) is provided with a shaft hole (402) along the radial direction, the shaft hole (402) is matched with a bearing (403), a shaft neck (303) is matched in the hole of the bearing (403), the hook needle seat (4) is provided with an end face screw hole (405) along the radial direction, an end face screw (401) with a cap peak is screwed in the end face screw hole (405), and the hook rod (501) is fixed between the cap peak of the end face screw (401) and the end face of the hook needle seat (4).

7. The annular skin stretching closure of claim 1, wherein: the diameter of the shaft neck (303) is smaller than that of the screw shaft (301), the shaft neck (303) forms a hook needle seat (4), the tail part of the hook rod (501) is bent into an arc-shaped hook (504), and the arc-shaped hook (504) is hung on the shaft neck (303).

8. The annular skin stretching closure of claim 1, wherein: the section of the journal (303) is provided with an axial hole (304), the axial hole (304) forms a hook needle seat (4), the tail part of the hook rod (501) is bent into a hook handle (505), and the hook handle (505) is inserted into the axial hole (304).

9. The annular skin stretching closure of claim 1, wherein: the cross section of the hook tip (503) is polygonal.

10. The annular skin stretching closure of claim 6, wherein: the end surface of the hook needle seat (4) is provided with a vertical groove (404), and the hook rod (501) is embedded into the vertical groove (404).

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