CN201299609Y - Row-tooth thread-drawing type external tissue extender and special tool for installing same - Google Patents
Row-tooth thread-drawing type external tissue extender and special tool for installing same Download PDFInfo
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- CN201299609Y CN201299609Y CNU2008201589348U CN200820158934U CN201299609Y CN 201299609 Y CN201299609 Y CN 201299609Y CN U2008201589348 U CNU2008201589348 U CN U2008201589348U CN 200820158934 U CN200820158934 U CN 200820158934U CN 201299609 Y CN201299609 Y CN 201299609Y
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- silica gel
- toothrow
- skin
- microscler
- gel strip
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Abstract
The utility model relates to a row-tooth thread-drawing type external tissue extender for closing the high-tension wounds step by step and a special tool for installing the external tissue extender, which comprises two long silicone rubber strips (4) arranged respectively along the two sides of a skin wound and a 7# Mersilk (5), wherein, a plurality of conical row teeth (6) arranged in a line at equal intervals are arranged on the lower surfaces of the long silicone rubber strips (4); and a threading tube orifice (7) that allows the 7# Mersilk (5) to pass through freely, a lower concave circular notch (8), a thread clamping groove (9) and a silk thread locking buckle (10) are respectively arranged in the center of each row tooth (6) and on the upper surfaces of the long silicone rubber strips. The utility model has the advantages of stable material biology, simple construction, reasonable biomechanics and convenient installing operation, and is widely suitable for closing the irregular high-tension wounds.
Description
Technical field
This utility model relates to a kind of external skin expansion medical apparatus that is applied to skin wound, especially a kind of toothrow stay-supported skin drawing and stretching belt of progressively closing the high-tension wound surface.
Background technology
Bone fascial bursa in the surgical operation cuts and subtracts a wound, and the high-tension wound surface such as skin injury that caused behind wound, bark fetching operation, cicatrix excision, the tumor resection utilize direct suturing skill to be difficult to primary suture and close.The high-tension wound surface is the problem that the doctor of Clinical Surgery often runs into.Through medical worker effort for many years, to the further investigation and the clinical trial of the biological characteristics of skin, skin stretches art and is considered to a kind of " closing reliably " (sure-closure) method of wound surface.
With the immediate prior art of the present invention be: state's invention patent disclosure in 12 days July in 2006, " skin wound surface stiching instrument " (Granted publication CN1263428C) by the Zhang Shengping design, referring to accompanying drawing 1, be the how secondary stitching thread guiding device 2 that the base band 1 that sticks on the skin wound surface is provided with parallel arranged, stitching thread 3 passes respectively and connects both sides stitching thread guiding device; Described stitching thread guiding device 2 is that C shape is cyclic, its C shape annular distance limiting slit zygonema 3 is therefrom slided and is passed, its C shape ring breach then allows stitching thread through C shape ring breach, remove the restriction of C shape annular distance and the top of leap wound, through offside C shape ring breach, again by the restriction of offside C shape annular distance, form the connecting line of new connection both sides stitching thread guiding device, provide good utensil for closing the high-tension wound surface.But also exist following weak point: mainly be to stick on fixedly one deck base band 1 of wound surface both sides, base band 1 flexibility is poor, when sewing up the wound skin of high spot, base band 1 can not be along with the convex-concave change of shape of wound, make the skin edge of wound both sides be difficult to opposite joint, increase the difficulty and the healing effect of skin healing.Skin is subjected to sticking for a long time with tractive of base band easily to produce pruritus, vesicle, base band can be progressively the loosening even avulsion from skin, skin such as turns at problem during tractive in occurring.
Design such as Blomqvist etc. and Steenfos is also produced vitro skin drawing and stretching belt ETE by Sweden Hojmed AB company, at material, also demonstrate a lot of details defectives in structural design and the clinical practice: (1) is installed when ETE threads a needle and easily silicone band is pulled from syringe needle; (2) silicone band can skid off from the friction stopper during tractive; (3) though the silicone band of its design and stopper frictional force be 3.5N, disturb very big to the coefficient of friction of stopper after the transudate of wound surface and the transudate drying.This just makes the pulling force uneven distribution on each root silicone band; (4) silicone band can slide in wearing the skin wound during tractive silicone band, and the patient has pain in various degree; (5) T type structure tension to skin in traction process of being combined to form of the stopper of single silicone band and column mainly concentrates on the silicone band inboard, and compressive stress then concentrates on the cylinder veutro of stopper.So reduce the chronic dissection of silicone band to skin, reduce the pressure of stopper to skin, be the detailed problem that haves much room for improvement.
May 9 calendar year 2001, Chinese utility model patent was disclosed, form by a draw point, a silicone band and two friction stoppers by " skin drawing and stretching belt " (the Granted publication CN2429118Y) that defends late autumn, Wei Yuzhi design, draw point is fixed on an end of silicone band, and silicone band inserts in the friction stopper and can clamp.Its structure is consistent with the production vitro skin drawing and stretching belt ETE of Sweden Hojmed AB company.
The prior art relevant with " skin stretching, extension art " also has:
February 22 nineteen ninety-five, Chinese utility model patent was disclosed, " skin external expander " (Granted publication CN 2189906Y) by the design of Zhang Mingli Wang Dawei is a kind of skin external expander that skin scar is used of repairing, and is made up of traction chuck, draft arm and governor motion thereof.Traction chuck is fixed in the end of draft arm, is used for clamping cicatrix place skin, and governor motion is used to regulate the opening and closing of draft arm.In addition, also having skin expansion to keep folder cooperates.
July 19 nineteen ninety-five, Chinese utility model patent was disclosed, " beauty and shaping skin spreader " (Granted publication CN 2203587Y) by the Zhou Lian design is on a spiral major axis, assembling near-end U-shaped arm and far-end U-shaped arm, on the inboard major axis of near-end U-shaped arm, the suit stop nut, offer square pit in far-end U-shaped arm outer side center, the square transmission nut that assembling cooperates with major axis, major axis termination assembling locking nut.At near-end U-shaped arm lateral symmetry mount lamellar track, far-end U-shaped arm both sides fluting cooperates with slide, at two pairs of sharp little hooks of two U-shaped arm base plates symmetry assembling downwards.
Above-mentioned skin spreader substantially all is a metal material, with the histocompatibility relative mistake (some people is to metal allergy) of human body; Hard metal structure and flexible skin biomechanics differ greatly, and metal hanger inevitably causes cutting to the skin subcutaneous tissue during tractive; Complex structure is installed to and afterwards fixes and carry inconvenience on the human body.
The utility model content
Technical problem to be solved in the utility model is: for overcoming the deficiencies in the prior art, a kind of material bio-stable is provided, configuration is simple, biomechanics is reasonable, fitting operation is convenient, be widely used in the toothrow stay-supported skin drawing and stretching belt that various irregular high-tension wounds are progressively closed, it can be fixed on the toothrow silica gel strip skin edge of wound both sides easily, at any time adjust sutural connection rate of tension according to the requirement of skin wounds, make the skin wound edge of wound progressively near final normal healing, this utility model also provides a kind of erecting tools of toothrow stay-supported skin drawing and stretching.
This utility model solves this technical problem the technical scheme that is adopted: a kind of toothrow stay-supported skin drawing and stretching belt, comprise that two microscler silica gel strip and 7# that arrange along the skin wound both sides respectively admire silk thread, described microscler silica gel strip lower surface has the frosted layer, is provided with a plurality of conical toothrow of the equidistant arrangement of embarking on journey at the lower surface of microscler silica gel strip; Each toothrow center and corresponding microscler silica gel strip upper surface have can pass freely through the threading pore that 7# admires silk thread, and the threading pore has recessed round breach in the exit of microscler silica gel strip upper surface; Described microscler silica gel strip forms a unit by per two toothrow positions, and every unitary upper surface is established a clamp groove, and the connecting portion between per two units is narrow relatively; On first recessed round breach of the first module of described every microscler silica gel strip and/or last recessed round breach of last unit the silk thread tab is arranged.This silk thread tab is recessed round breach to be expanded into the ball-and-socket of 3/4 sphere, establishes the bulb stopper on it.
A kind of specific purpose tool that above-mentioned toothrow stay-supported skin drawing and stretching belt is installed, it is characterized in that a branch ostium guide needle, this opening guide needle is by the rustless steel hollow needle, and afterbody parcel plastic handgrip constitutes, and the pinhole diameter of rustless steel hollow needle is greater than the external diameter of above-mentioned conical toothrow; This opening guide needle can be punched on skin, can guide the conical toothrow of silica gel strip to pass skin simultaneously.
After this utility model is installed in wound surface edge skin, allow band pin 7# admire the microscler silica gel strip that silk thread passed and connected the both sides layout respectively; When silk thread passes last recessed round breach of first recessed round breach of first module of microscler silica gel strip and/or last unit, through the silk thread tab bulb is pressed into ball-and-socket and reaches the locking silk thread; In the technical program, when admiring silk thread and tightened up by continuous sequence, both sides 7# can increase stitching tension force accordingly when connecting.The toothrow tractive skin of silica gel strip is progressively closed up, impel wound skin edge under uniformly suitable stitching tension force, to be combined normal healing.The doctor in art, postoperative can both regulate the stitching tension force of wound according to clinical needs arbitrarily.
Compared with prior art, the beneficial effect that this utility model produced is:
1) to change the base band that sticks on the skin wound surface be microscler silica gel strip to this utility model, and microscler silica gel strip and silk thread tab all adopt the medical silica-gel material close with the skin elasticity modulus to make.The biomechanics characteristic and the skin of silica gel material are close, be fixed on the skin surface of wound both sides by the punching of the toothrow under the microscler silica gel strip, this just makes when tractive closure wound surface, thereby microscler silica gel strip and skin produce close deformation and have avoided concentrating of tractive stress, even and the good biocompatibility of silica gel material makes that drawing and stretching belt is kept somewhere for a long time on skin when closing big wound surface and also can not produce the tissue immunological rejection.
2) the opening guide needle is the design of hollow cast, and syringe needle is sharp inclined-plane.Syringe needle can be on skin opening from inside to outside, the bore of pin is a bit larger tham the external diameter of toothrow, can guide toothrow to pass skin.
3) toothrow with the microscler silica gel strip of conical toothrow is the hollow cone shape, can insert smoothly during installation in the opening guiding needle tubing, admire the threading pore that silk thread can pass toothrow, the inside pipe wall of toothrow and the back side of silica gel strip are smooth, admire silk thread and can slide smoothly on its surface.During tractive toothrow relatively thicker external diameter of pipe reduced and admired the chronic cutting of fine rule skin, the traction force of admiring fine rule simultaneously can make the deformation of toothrow generation to horizontal direction, this moment, the outside of belly of toothrow and silica gel strip produced clamping action to edge of wound skin, prevented to turn in the edge of wound skin when tractive.Silica gel strip stops that the partial design of skin becomes slab construction, has significantly reduced the pressure to skin, thereby has improved the blood fortune of edge of wound skin, prevents the necrosis of edge of wound skin in compression.The outside of belly of silica gel strip designs for frosted, has increased the frictional force between silica gel strip and the skin, helps silica gel strip firmly controlling edge of wound skin.There is the clamp groove at the back side of silica gel strip, and the tractive that fine rule carries out continuous sequence is admired in clamping when making things convenient for stretching.Per two holes of silica gel strip form a stretching unit, and the silica gel strip between the unit is existing to narrow, is convenient to the kinking break-in, to meet the irregular wound of various forms.
4) the band pin admire for No. 7 silk thread wherein pin be arc, syringe needle is blunt nosed, backshank be tubulose securely clamping admire the end of a thread No. 7, this design is convenient will admire the threading pore that silk thread passes toothrow smoothly.Admiring silk thread is by coming unstuck braiding, the making of series of process such as coating.So admire when silk thread contacts with wound surface and organize the foreign body rejection little, intensity is enough to tolerate skin and stretches needed 3-4.5kg distraction force, admiring the slick surface of silk thread simultaneously is convenient to it and slides in the surface of microscler silica gel strip and toothrow, make distraction force be evenly distributed in the skin of edge of wound both sides, thereby avoided concentrating of distraction force.Skin is the organ that sensory nerve ending distributes and enriches the most, admires silk thread and directly do not contact skin all the time when stretching is slided, thereby the pain of patient in the stretching process is reduced greatly.
5) silica gel silk thread snap close designs for ball-and-socket joint, and bulb and ball-and-socket are 3/4 sphere, and bulb is a bit larger tham ball-and-socket, helps locking the back bulb and is difficult for skidding off.The surface of bulb and ball-and-socket is a milled sand surface simultaneously, and silk thread penetrates from the ball-and-socket top from ball-and-socket bottom aperture and passes, and locking ball-and-socket joint back nest face can be admired silk thread thereby lock to the effect of the flexible tight embedding of silk thread.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is the structural representation of the documents of prior art;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the A-A section enlarged diagram of Fig. 2;
Fig. 4 is the B-B section enlarged diagram of Fig. 2;
Fig. 5 is the sketch map of opening guide needle.
Among the figure: 1 base band; 2 stitching thread guiding devices; 3 stitching thread; 4 microscler silica gel strips; 5 admire silk thread; 6 toothrows; 7 threading pores; 8 recessed round breach; 9 clamp grooves; 10 silk thread tab; 11 bulb stoppers; 12 rustless steel hollow needles; 13 plastic handgrips.
The specific embodiment
As shown in Figure 2, a kind of toothrow stay-supported skin drawing and stretching belt, comprise that two microscler silica gel strip 4 and 7# that arrange along the skin wound both sides respectively admire silk thread 5, described microscler silica gel strip 4 lower surfaces design for frosted, are provided with a plurality of conical toothrow 6 of embarking on journey and equidistantly arranging; Described microscler silica gel strip 4 forms a unit by per two toothrow positions, and every unitary upper surface is established a clamp groove 9, and the connecting portion between per two units is narrow relatively; On first recessed round breach of the first module of described every microscler silica gel strip 4 and/or last recessed round breach of last unit silk thread tab 10 is arranged.
Be illustrated in figure 3 as the A-A section enlarged diagram of Fig. 2; Silk thread tab 10 among the figure is first recessed round breach of first module of microscler silica gel strip 4 to be expanded into the ball-and-socket of 3/4 sphere, establishes bulb stopper 11 on it.
Be illustrated in figure 4 as the B-B section enlarged diagram of Fig. 2; Conical toothrow 6 centers and corresponding microscler silica gel strip upper surface have threading pore 7, and the threading pore has recessed round breach 8 in the exit of microscler silica gel strip 4 upper surfaces.
Be illustrated in figure 5 as a branch ostium guide needle, this opening guide needle is by rustless steel hollow needle 12, and afterbody parcel plastic handgrip 13 constitutes, and the pinhole diameter of rustless steel hollow needle is greater than the external diameter of conical toothrow 6.
When using this this utility model, earlier with the local anesthesia of wound edge, after the debridement, the free subcutaneous 1-1.5cm of edge of wound, begin from edge of wound one end, with opening guide needle opening from inside to outside on skin, aimming circle taper toothrow 6 passes skin apart from wound edge 0.5-1.0cm, successively microscler silica gel strip 4 is mounted on the edge of wound both sides, keeps the length of microscler silica gel strip 4 and wound isometric.Again by shown in Figure 2 on microscler silica gel strip 4 the level threading in turn that turns up, the installation of drawing and stretching belt has promptly been finished at the two ends of line with the locking of silica gel snap close.Follow and strain the stretching stretching, extension that silk thread 5 last adjustment silk thread snap closes 10 locking silk threads are finished a skin continuously successively.Every 1-2 days row skin drawing and stretchings once, the edge of wound contact skin stops tractive up to both sides later on, directly sews up or removes drawing and stretching belt again up to wound healing.
Claims (3)
1, a kind of toothrow stay-supported skin drawing and stretching belt, comprise that two microscler silica gel strip (4) and 7# that arrange along the skin wound both sides respectively admire silk thread (5), it is characterized in that: described microscler silica gel strip (4) lower surface has the frosted layer, is provided with a plurality of conical toothrow (6) of the equidistant arrangement of embarking on journey at the lower surface of microscler silica gel strip (4); Each toothrow (6) center and corresponding microscler silica gel strip upper surface have can pass freely through the threading pore (7) that 7# admires silk thread (5), and the threading pore has recessed round breach (8) in the exit of microscler silica gel strip (4) upper surface; Described microscler silica gel strip (4) forms a unit by per two toothrow positions, and every unitary upper surface is established a clamp groove (9), and the connecting portion between per two units is narrow relatively; On first recessed round breach of the first module of described every microscler silica gel strip (4) and/or last recessed round breach of last unit silk thread tab (10) is arranged.
2, toothrow stay-supported skin drawing and stretching belt according to claim 1 is characterized in that: described silk thread tab (10) is recessed round breach to be expanded into the ball-and-socket of 3/4 sphere, establishes bulb stopper (11) on it.
3, a kind of specific purpose tool that the described toothrow stay-supported of claim 1 skin drawing and stretching belt is installed, it is characterized in that: a branch ostium guide needle, this opening guide needle is by rustless steel hollow needle (12), afterbody parcel plastic handgrip (13) constitutes, and the pinhole diameter of rustless steel hollow needle is greater than the external diameter of conical toothrow (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201589348U CN201299609Y (en) | 2008-10-24 | 2008-10-24 | Row-tooth thread-drawing type external tissue extender and special tool for installing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201589348U CN201299609Y (en) | 2008-10-24 | 2008-10-24 | Row-tooth thread-drawing type external tissue extender and special tool for installing same |
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| Publication Number | Publication Date |
|---|---|
| CN201299609Y true CN201299609Y (en) | 2009-09-02 |
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| CNU2008201589348U Expired - Fee Related CN201299609Y (en) | 2008-10-24 | 2008-10-24 | Row-tooth thread-drawing type external tissue extender and special tool for installing same |
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| CN (1) | CN201299609Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374683A (en) * | 2017-01-14 | 2017-11-24 | 中国人民解放军第四医院 | A kind of skin-closure device |
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2008
- 2008-10-24 CN CNU2008201589348U patent/CN201299609Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107374683A (en) * | 2017-01-14 | 2017-11-24 | 中国人民解放军第四医院 | A kind of skin-closure device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20111024 |