CN205234557U - Annular skin leads a ware - Google Patents

Abstract

The utility model provides an annular skin leads a ware: including the tractive line, the body of rod, the hollow tube, the gliding fixation clamp of the body of rod relatively, with around the surface of a wound for the skin tractive line sew up in succession, pass through the hollow tube with tractive line both sides terminal chiasma after sewing up, and with the terminal tensioning respectively in tractive line both sides on the fixation clamp that corresponds the side, it removes the certain distance to correspond the tip with the fixation clamp to the body of rod, make around the surface of a wound skin in the effect of tractive line down towards surface of a wound center drawing to certain degree, then keep tensile on being fixed in the body of rod with the fixation clamp, skin constantly tightens up to surface of a wound center under the effect of tractive line around the surface of a wound, thereby reduce the surface of a wound gradually. The utility model discloses simple structure is light and handy, to patient's activity influence little, be applicable to anomalous defect of skin, can alleviate patient economic burden.

Description

Annular Skin stretching device

Technical field

The utility model belongs to medical instruments field, is specifically related to a kind of annular Skin stretching device.

Background technology

Wound is harm humans health from ancient times, along with continuous progress and industrialization and agricultural modernization and the communications and transportation of societyIndustry development, wound does not only reduce, and has on the contrary the trend of increasing, the skin tissue defects due to treatment wound always withBe subject to great attention. Orthopaedic trauma often runs into the surface of a wound of skin tissue defects clinically, and traditional processing mode isAfter debridement, by changing dressings, the surface of a wound is clean, the closed surface of a wound of row skin-grafting again after granulation tissue well-grown. Traditional dermatoplastic treatmentThere is the complication such as infect skin donor site, skin donor site tissue fluid exosmoses, limb deep venous embolism, peripheral nerve injury, be subject to skinDistrict's skin wears no resistance, wound healing time length, skin-grafting area skin graft contracture, cicatrization impact are attractive in appearance and limb function etc.Complication.

The method of reparing skin defect is more, common are grafts, skin flaps, organization engineering skin, skin expansionZhang Shu, skin extending art etc., these methods respectively have shortcoming, as split-thickness skin graft transplant because of entrained skin organ imperfect,Postoperative skin pigmentation, skin grafts poor flexibility; Variation after full thickness skin graft is transplanted is less, and effect is more stable and holdFor a long time, but skin donor site is limited, long-pending when excessive when getting surface, needs to transplant in addition the closed surface of a wound of split-thickness skin graft. Skin flap transplantationOr it is large to shift operating difficulty, skin donor site wound is very big, and operative failure rate is high, and has a strong impact on skin beauty. Organizational projectSkin technology has obtained huge advance made, but can't be widely used in clinical, further developing, improve after, organize workJourney skin technology will have good development prospect. It is unrivaled excellent that skin soft-tissue expansion has traditional restorative procedurePoint, but tissue expansion needs Repeated Operation, treatment cycle is long, and complication rate is also quite high.

Skin extending art is a kind of method of effective treatment defect of skin, and the viscoplasticity of skin itself is skin extending artHistological basis, the extensibility of skin can be divided into intrinsic elasticity, mechanical stretching, biological extensibility, chemical extensibility,When being pulled under the effect of skin in external force, the collagenous fibres in corium and elastomer are elongated to be and are arranged in parallel, when outsideWhen power exceeds its intrinsic ability to bear, there is trickle fracture in elastomer, and the curling ability of collagenous fibres declines, and produces skinThe mechanical creep effect of skin; Skin be drawn into a certain degree required power extend in time gradually decline be called skin shouldPower slackness, the stress relaxation of skin and mechanical stretching are the bases that skin is stretched expansion. Skin extending art is utilizedSurface of a wound surrounding skin is closed skin wound by extend under external force tractive, and application is stretched the closed surface of a wound of art outside shapingSection, orthopaedic srugery, general surgery and vascular surgery have better application, have obtained good clinical effectiveness, are a kind ofDefect of skin restorative procedure, has simple and quick feature reliably, and easy to implement, wound is little, and few intercurrent disease is correctSelection indication can avoid some unnecessary grafts and skin flap transplantation, transfer. Bashir proposes with outside skinThe method of stretching is drawn both sides surface of a wound edge over to one's side, reaches the object of closure of wound, treats so acute war wound convenient and practical.During the Gulf War, utilize sword-shaped needle and rubber belt, the row skin traction treatment war wound surface of a wound, has obtained good result. State planted agentDelay directly to sew up Secondary wound closure following fasciotomy and ankle skin tissue defects with skin drawing and stretching belt and obtained good therapeutic effect.

The enforcement of skin extending art need to realize by Skin stretching device, though have now a lot of type Skin stretching devices forSkin extending art, but have nothing in common with each other shortcoming, limit the extensive use of skin extending art. For example, some Distraction ApparatusFor heaviness, comparatively difficulty is installed, comfortable wearing is not good; The accurately stretching of some Distraction Apparatus, regulative mode comparativelyExtensive.

Utility model content

The purpose of this utility model is to provide a kind of annular Skin stretching device.

For achieving the above object, the utility model has adopted following technical scheme:

Comprise drag wire and the body of rod, the middle part of the described body of rod is provided with hollow pipe, and the both sides of hollow pipe are respectively arranged with canThe geometrical clamp for the corresponding end of fixing drag wire that the body of rod slides relatively, is provided with on the body of rod for geometrical clamp is fixed onAdjustable detent mechanism on the body of rod.

Described drag wire is steel wire.

Described steel wire diameter is more than 1mm, smooth surface.

The described body of rod is threaded rod.

Described hollow pipe adopts the elasticity macromolecular material with biocompatibility to make.

One end of described geometrical clamp is placed on the body of rod, and the other end is provided with ring-type through wires hole, on ring-type through wires hole, is provided with useIn the drag wire that penetrates ring-type through wires hole is pushed to fixing screw.

Described adjustable detent mechanism comprises the nut that is arranged at geometrical clamp both sides, on the body of rod, be provided with described nut inThe external screw thread of threaded engagement.

Surface of a wound surrounding skin is sewed up continuously with drag wire, after stitching, drag wire both-side ends is intersected by hollow pipe, andDrag wire both-side ends is tensioned to respectively on the geometrical clamp of respective side, geometrical clamp is moved to a spacing to the corresponding end of the body of rodFrom, make surface of a wound surrounding skin under drag wire effect towards surface of a wound centre pull to a certain degree, then geometrical clamp is fixedOn the body of rod, keep stretching. Surface of a wound surrounding skin constantly tightens up to surface of a wound center under drag wire effect, thereby dwindles graduallyThe surface of a wound.

The beneficial effects of the utility model are: 1. can intuitively observe the variation of the surface of a wound and surrounding tissue; 2. operation wound is little,Can under local anaesthesia, implement operation, little on skin impact itself, do not disturb normal agglutination; 3. simple in structure light and handy,Good biocompatibility is little to patient's Activity Effects; 4. be applicable to irregular defect of skin; 5. price is low, can alleviatePatient economy burden.

Brief description of the drawings

Fig. 1 is the structural representation of annular Skin stretching device described in the utility model;

In figure: 1: steel wire; 2: geometrical clamp; 3: threaded rod; 4: hollow pipe; 5: coupling part; 6: the first nuts;7: the second nuts; 8: screw.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is elaborated.

Annular Skin stretching device chief component described in the utility model is as follows, referring to Fig. 1:

1) steel wire 1, as tractive skin edge;

2) steel wire fixing clip 2: steel wire is fixed in one end, and (there is screw 8 on top, and tightening can be by fixing steel wire extruding after screw 8In the ring-type through wires hole of this end), the other end is connected on threaded rod 3, can horizontally slip along threaded rod 3;

3) threaded rod 3: steel wire fixing clip 2 on slide;

4) hollow pipe 4: can allow steel wire intersect through, because of directly contacting with skin, suggestion employing good biocompatibility,There is certain flexible macromolecular material to make;

5) connecting portion 5: the parts of connecting thread bar 3 and hollow pipe 4, make hollow pipe 4 be fixed on threaded rod 3 middle parts,Hollow pipe 4 both sides arrange respectively a steel wire fixing clip 2;

6) the first nut 6: rotate on threaded rod 3, can promote steel wire fixing clip 2 and slide laterally;

7) the second nut 7: rotate on threaded rod 3, play fixing steel wire fixing clip 2 positions together with the first nut 6Effect.

Described annular Skin stretching device operating procedure is as follows: be with pin steel wire 1 around the surface of a wound apart from surface of a wound edge 1.5cm withContinuous stitching is done at upper (width) skin place, and (running part and subcutaneous running part on the skin replacing, be shown in surface of a wound week in Fig. 1The outermost annular section enclosing). Sew up surface of a wound surrounding skin, after one week, steel wire bilateral terminal chiasma is passed through to hollow pipe 4. SteelAfter being pulled to some tension, silk two ends are individually fixed on the steel wire fixing clip 2 on threaded rod 3, and fixing with screw 8.The first nut 6 is to threaded rod 3 far-end rotations, and steel wire end is constantly tightened up like this. Be tensioned to a certain degree, in the other directionTightening the fixing steel wire fixing clip 2 of the second nut 7 realization acts on. Every day timing tractive steel wire, realize ring like steel wire constantly toTighten up at center, drives skin edge, dwindles the surface of a wound.

Prove that described annular Skin stretching device is reasonable in design, apply convenience, few side effects, determined curative effect by zoopery,Can further promote the clinical practice of skin extending art.

Indication: the various surface of a wound closures of leaving over after wound, best and VSD (biological dressing) coupling.

Contraindication: when stump skin quality not good, as the skin of atrophy, raying, poor activity (serious extruding, avulsion)Skin or while there is out of contior infection, all can not apply this Skin stretching device.

The utility model is easy for installation, can realize fine adjustment.

Claims (7)

1. an annular Skin stretching device, is characterized in that: comprise drag wire and the body of rod, establish at the middle part of the described body of rodBe equipped with hollow pipe (4), the both sides of hollow pipe (4) be respectively arranged with that the body of rod relatively slides for fixing drag wire pairAnswer the geometrical clamp (2) of end, on the body of rod, be provided with for geometrical clamp (2) is fixed on to the adjustable localization machine on the body of rodStructure.

2. a kind of annular Skin stretching device according to claim 1, is characterized in that: described drag wire is steel wire (1).

3. a kind of annular Skin stretching device according to claim 2, is characterized in that: described steel wire (1) diameter isMore than 1mm, smooth surface.

4. a kind of annular Skin stretching device according to claim 1, is characterized in that: the described body of rod is threaded rod (3).

5. a kind of annular Skin stretching device according to claim 1, is characterized in that: described hollow pipe (4) adoptsThe elasticity macromolecular material with biocompatibility is made.

6. a kind of annular Skin stretching device according to claim 1, is characterized in that: one of described geometrical clamp (2)End is placed on the body of rod, and the other end is provided with ring-type through wires hole, is provided with for to penetrating ring-type through wires hole on ring-type through wires holeDrag wire push fixing screw (8).

7. a kind of annular Skin stretching device according to claim 1, is characterized in that: described adjustable detent mechanism bagDraw together the nut that is arranged at geometrical clamp both sides, on the body of rod, be provided with the external screw thread with the screw-internal thread fit of described nut.