CN201365985Y - Venous valve support - Google Patents
Venous valve support Download PDFInfo
- Publication number
- CN201365985Y CN201365985Y CNU2008202267479U CN200820226747U CN201365985Y CN 201365985 Y CN201365985 Y CN 201365985Y CN U2008202267479 U CNU2008202267479 U CN U2008202267479U CN 200820226747 U CN200820226747 U CN 200820226747U CN 201365985 Y CN201365985 Y CN 201365985Y
- Authority
- CN
- China
- Prior art keywords
- valve
- vein
- valve support
- support
- venous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Surgical Instruments (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Abstract
The utility model discloses medical equipment, in particular to a venous valve support which can be applied to deep venous insufficiency cavity canal treatment. The venous valve support comprises a valve which simulates the form of the venous valve of a human lower limb and a nickel-titanium alloy support which is used to support the vessel and serves as the fixing and bearing body of the valve, wherein the nickel-titanium alloy support is an alloy tube which is cylindrical and uniformly provided with through holes or a grid-shaped cylinder wound with a nickel-titanium metal wire. The utility model provides a venous valve support for the deep venous insufficiency cavity canal treatment of the lower limb, so that the surgical trauma is small, no thrombus occurs and no repeat occurs.
Description
(1) technical field
This utility model relates to a kind of medical device, specifically relates to a kind of vein valve support that can be applied to the Insufficient intracavity governance treatment of dark venous valve, rebuilds in order to valve, makes vein recover physiological function.
(2) background technology
Great saphenous varicose vein is a commonly encountered diseases, has 10%～15% adult male and 20%～25% adult female Symptomatic great saphenous varicose vein can occur approximately.Risk factor such as the abdominal pressure of standing for a long time, reason such as heredity, phlebitis history causes increases etc.It is topmost pathology of varicose veins of the lower extremity and physiological foundation that the great saphenous vein valve insufficiency causes the anti-stream of blood, and a series of clinical symptoms and sign develop thus.
The therapeutic method of surgery that art was once becoming the topmost and standard of treatment great saphenous varicose vein is stripped off in great saphenous vein high ligation and great saphenous vein segmentation; In recent years one latent place and the ramose while of high ligation great saphenous vein thigh, the anti-stream of great saphenous vein trunk can be thoroughly eliminated in employing and the little less invasive techniques of wound develops rapidly, and becomes the important method of treatment great saphenous varicose vein.The invasive methods that present treatment great saphenous vein is opened has: printing opacity direct-view rotary-cut art, and venous lumen inner laser Closure, the vein endovenous radiofrequency melts Closure, the operation of chamber mirror communicating branch, the art formulas such as continuous seam bundle of injection of sclerosing agent treatment, varicose agglomerate.
The classical art formula of art as the treatment great saphenous varicose vein stripped off in the segmentation of great saphenous vein high ligation, experienced century more than 1, and the operation main points are: 1. correct definite femoral artery and femoral venous position and thigh-latent intersection venous is correctly handled.2. above internal malleolus, note identification saphenous nerve and saphena, careful anti-saphenous nerve damage.3. ligation communicating veins as far as possible, the complete big small saphenous vein group of peeling off.Because the high ligation of great saphenous vein, it is open operation that art is stripped off in segmentation, has in clear visual field, the art that the excision blood vessel is complete, the advantage of determined curative effect, but also exists operative incision many, the shortcoming that cicatrix is big, serious caused lower limb be the dysfunction of shank especially.
The varicose agglomerate stitches continuously to be pricked art and often is applied to the shank venous thrombosis or the patient of skin ulcer is arranged, because operative region is close with the skin adhesion, infection seriously definitely can not be peeled off by the row vein agglomerate.Superficial part vein around the cirso-agglomerate is stitched bundle continuously, block control, ulcer healing that varicose agglomerate blood reflux stream helps infecting, but must be noted that should avoid ligation communicating veins, operation back to tackle wound surface when using the varicose agglomerate stitches bundle continuously gives necessary processing.
Printing opacity direct-view rotary-cut art is to use the printing opacity head to know that demonstration expanded the operation of subcutaneous path, scope, degree so as to hypomere and shank cirso-in the demonstration thigh, draw out complete cirso-profile in conjunction with patient before the art, lumbar anesthesia is after the fossa ovalis otch, conventional then high ligation great saphenous vein and branch insert stripper and peel off the great saphenous vein trunk.But must emphasize that this art formula carries out behind the high-order thigh-saphena contact of ligation place cirso-.
Laser group operative treatment in the venous lumen is to flow at the trunk of great saphenous vein is counter, is that utilization laser produces heat energy and makes tube chamber shrink rapid machineization and form the ribbon rope, finally causes the vein closure to reach the purpose of eliminating anti-stream.Select the preceding radiography cirso-diameter of art＜6mm therapeutic effect the best, for the big vein of diameter because lumen of vessels internal diameter difference, if the velocity of recession of＜8mm laser fibers in therapeutic process will some could guarantee prognosis slowly, if the regression scope and the speed of internal diameter＞10mm laser fibers are difficult to achieve the goal.Therefore must select patient's varicose degree lighter, otherwise treatment can be not thorough.In the laser heat energy therapeutic process danger of wearing blood vessel, burned skin, fibercuts is arranged.Patient's operating technology is relevant with the minimizing complication with therapeutic effect.
It is at the anti-flow problem of saphenous trunk equally that the vein endovenous radiofrequency melts Closure, is too to utilize heat energy to stimulate tunica intima to shrink haemocoele, the closed venous lumen of fiber filling.This art formula is remarkable for patient's effect of vessel diameter＜10mm, but it is comparatively loaded down with trivial details to grasp relative laser group operative treatment, and required time is longer, and the machinery equipment costliness.
The sclerosing agent iatrotechnics need entirely shut more than 6 months vein by the thrombosis fibrosis, and thrombosis can spread to the deep vein by communicating veins and cause serious dvt, has seriously restricted the development of injection of sclerosing agent treatment.
Communicating branch ligation under the mirror of chamber: the capable thigh of endoscopic technic-latent communicating veins ligation is under the thigh 1/3, or the treatment of shank thigh-latent communicating veins.Chamber mirror labbe vein ligation must be carried out behind the great saphenous vein high ligation.Subcutaneous an amount of expansion is placed light source from the near-end otch and is appeared hypomere Dodd and Hanter communicating veins in the thigh, determines to do behind the position skin incision (＜1 eln) back and pulls out communicating veins with special drag hook and give ligation.Shank Boyd, CockeetI, CockeetII, CockeetIII be same treatment successively.Just handle thigh-saphena and communicating branch, the dark vein valve functional defect of real solution, relapse rate is very high.
The vein open operation comprises intravenous valve repair plasty, vein valve transplanting or transposition, allogeneic valve implantation fresh and stored frozen, uses maximum biosynthetic valves that substitutes that derives from present.Behind the nearly far-end blood flow of temporary interruption, vertically cut latent-femoral vein antetheca and appear and thicken odd-shaped valve, a feasible lobe or many lobes valve excise simultaneously, displacement substitutes valve repair finish after, remove the restriction of section blood flow near, far away.
Vein exterior operation, comprise vein valve parcel ring contract, wear rings, annulus prick, by valve repair urethroptasty outside the vein of angioscope.
Art, printing opacity direct-view rotary-cut art are stripped off in the segmentation of great saphenous vein high ligation, venous lumen inner laser Closure, the vein endovenous radiofrequency melts Closure, chamber mirror communicating branch operation, the therapeutic purposes of the art formulas such as continuous seam bundle of injection of sclerosing agent treatment, varicose agglomerate are to eliminate the anti-stream of great saphenous vein, this pathologic basis of venous valvular incompetence are not treated.
The purpose of vein open operation and vein exterior operation is the anti-stream due to the dark impaired function of vein of correction.The vein open operation still needs to operate on, and wound is bigger, and it is narrow higher, higher to patient's operating technology simultaneously with the thrombosis incidence rate to repair or replace vein valve operation posterior vein.
(3) summary of the invention
This utility model provides vein valve support a kind of and the Insufficient endoluminal vascular treatment of deep veins of lower limb lobe at the deficiency of present treatment great saphenous varicose vein, and operation wound is little, thrombosis can not take place, and can not take place repeatedly.
For realizing goal of the invention of the present utility model, the technical scheme that is adopted is:
It comprises the valve of apery body veins of lower extremity valve form and is used for support blood vessels and as the fixing nick-eltitanium alloy stent of supporting body of this valve, and wherein nick-eltitanium alloy stent is that have a cylindrical shape top evenly is provided with the alloy tube of through hole or by the grid-shaped cylinder of nickel-titanium metal filament winding one-tenth.
Above-mentioned vein valve support, described nick-eltitanium alloy stent structure are that draw ratio is 1.8～2.6: 1 cylinder.
Described valve is made by heterogeneity biological material or medical macromolecular materials.
Above-mentioned vein valve support, described a kind of biomaterial is Cor Sus domestica bag or bovine pericardium.
Described medical macromolecular materials are the ultra-thin cloth of real silk of medical high polymer.
Adopt this memory alloy stent of Nitinol as supporting body according to the technical solution of the utility model, it has better elastic and predetermined shape memory, and can not be subjected to blood flow and impact and be shifted, and utilizes its flexible fastening in blood vessel, accurate positioning, good biocompatibility.Correspondingly, because this columnar structured and blood vessel that is configured to footpath is corresponding, its implantation belongs to Minimally Invasive Surgery, and is little to patient's negative effect.Further, because its good biocompatibility can not produce the thromboembolism phenomenon.In addition, in order to form valve structure, this programme adopts the valve of apery body veins of lower extremity valve form, this valve is fixed on the above-mentioned support, thereby form corresponding to the venous valve structure, rebuild vascular system, because it has rebuild vascular system in physical arrangement, the Nitinol life-span is long, has eliminated the state of an illness repeatedly.And its cost is low, is beneficial to and applies.Because the back work that its implant into body is done is less relatively, saved a large amount of operating times in addition.
(4) description of drawings
Specifically illustrate this utility model below in conjunction with Figure of description, wherein:
Fig. 1 is a nick-eltitanium alloy stent structural representation among this utility model embodiment.
Fig. 2 is a valve bracket structural representation among this utility model embodiment.
Among the figure: 1, through hole, 2, the nickel-titanium metal silk, 3, valve, 4, nick-eltitanium alloy stent.
(5) specific embodiment
Below in the mode of embodiment to this utility model exemplary illustration, the obvious mode of texturing of technical characterictic and equivalents all belong to protection domain of the present utility model in this scheme
With reference to the attached Fig. 1 and 2 of explanation, this scheme vein valve support comprises the valve 3 of apery body veins of lower extremity valve form and is used for support blood vessels and as the fixing nick-eltitanium alloy stent 4 of supporting body of this valve, and wherein nick-eltitanium alloy stent is that have a cylindrical shape top evenly is provided with the alloy tube of through hole 1 or by the grid-shaped cylinder of nickel-titanium metal silk 2 coileds.Wherein the alloy tube can go out corresponding through hole by laser engraving on the Nitinol tube, because of considering its scope of application, so this alloy tube adopts ultrafine on year-on-year basis cylindrical shell, also is easy to processing, and cost is lower.On the other hand, consider that this cylindrical shell mainly plays a supporting role, so, can adopt conventional Nitinol tinsel coiled grid-shaped cylinder, Area of bearing is little, and accurate positioning.
In principle, relation corresponding to human body valve physiological structure and blood vessels caliber, the preferred described nick-eltitanium alloy stent structure of this programme is that draw ratio is 1.8～2.6: 1 cylinder, this scope almost contained the relation of veiny valve physiological structure and blood vessels caliber, can directly select valve bracket at corresponding duct of Arantius, applied widely.
Described valve is made by heterogeneity biological material or medical macromolecular materials.Wherein if adopt preferred Cor Sus domestica bag of biomaterial or bovine pericardium, these two kinds of biomaterials are easy to get, and relative with human compatibility better.If adopt the ultra-thin cloth of real silk of the preferred medical high polymer of medical macromolecular materials, the concrete title of medical high polymer cloth of real silk is the biological medical polymer cloth of real silk, be mainly used in artificial organ surgical repair, physiotherapy and rehabilitation, can not produce dysgenic material tissue, blood.Certainly, this programme adopts surgery material in the body.
Claims (5)
1. vein valve support, it is characterized in that it comprises the valve (3) of apery body veins of lower extremity valve form and is used for support blood vessels and as the fixing nick-eltitanium alloy stent of supporting body (4) of this valve, wherein nick-eltitanium alloy stent is that have a cylindrical shape top evenly is provided with the alloy tube of through hole (1) or by the grid-shaped cylinder of nickel-titanium metal silk (2) coiled.
2. vein valve support according to claim 1 is characterized in that: described nick-eltitanium alloy stent structure is that draw ratio is 1.8～2.6: 1 cylinder.
3. vein valve support according to claim 1 is characterized in that: described valve is made by heterogeneity biological material or medical macromolecular materials.
4. vein valve support according to claim 3 is characterized in that: described a kind of biomaterial is Cor Sus domestica bag or bovine pericardium.
5. vein valve support according to claim 3 is characterized in that: described medical macromolecular materials are the ultra-thin cloth of real silk of medical high polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202267479U CN201365985Y (en) | 2008-12-24 | 2008-12-24 | Venous valve support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202267479U CN201365985Y (en) | 2008-12-24 | 2008-12-24 | Venous valve support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201365985Y true CN201365985Y (en) | 2009-12-23 |
Family
ID=41484885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202267479U Expired - Fee Related CN201365985Y (en) | 2008-12-24 | 2008-12-24 | Venous valve support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201365985Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996807A (en) * | 2017-07-26 | 2020-04-10 | Rd全球研究与开发健康公司 | Internal Compression Therapy (ICT) |
-
2008
- 2008-12-24 CN CNU2008202267479U patent/CN201365985Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996807A (en) * | 2017-07-26 | 2020-04-10 | Rd全球研究与开发健康公司 | Internal Compression Therapy (ICT) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Gelbard et al. | Expanding contractures of the tunica albuginea due to Peyronie’s disease with temporalis fascia free grafts | |
| CN107920898A (en) | Including the seal member organized the formation of by the extracellular matrix with change through conduit valve prosthesis | |
| BRPI0820603B1 (en) | Medical device and kit to repair a heart valve | |
| Uygur et al. | Factors affecting outcome of one-stage anterior hypospadias repair: analysis of 422 cases | |
| CN101444441B (en) | Support type artificial venous blood vessel with valve | |
| WO2019079733A1 (en) | Materials and methods for breast neurotization with nerve grafts | |
| WO2000067679A1 (en) | Implant for restoring venous valvular function | |
| CN108553202A (en) | A kind of holder for treating Type B dissection of aorta | |
| CN201365985Y (en) | Venous valve support | |
| Egydio | Surgical treatment of Peyronie's disease: choosing the best approach to improve patient satisfaction | |
| Yiwu et al. | Exact quantitative selective annuloplasty of the tricuspid valve | |
| Mutaf | Nonmicrosurgical use of the radial forearm flap for penile reconstruction | |
| RU2479260C2 (en) | Method of finger repair in case of hand soft tissue defect | |
| Chajchir et al. | Endoscopic augmentation mastoplasty | |
| RU2664189C1 (en) | Method of prosthetic repair of all structures of the root of aorta | |
| Wang et al. | Neurovascular musculus obliquus internus abdominis flap free transfer for facial reanimation in a single stage | |
| WO2017067295A1 (en) | Artificial biological blood vessel having valve and preparation method thereof | |
| CN209107679U (en) | A kind of bracket for treating Type B dissection of aorta | |
| RU223045U1 (en) | Balloon-expandable aortic heart valve prosthesis for seamless implantation | |
| Chen et al. | Free microvascular transfer of the vermiform appendix for creation of a tracheo-oesophageal fistula: a new method of voice reconstruction | |
| Zhang et al. | Retrospective of the replantation of severed limbs in the People's Republic of China: current status and prospects | |
| Landman et al. | Initial experience with processed human cadaveric allograft skin for reconstruction of the corpus cavernosum in repair of distal extrusion of a penile prosthesis | |
| CN219720960U (en) | Support in embedded branch art in area | |
| Zhang et al. | A review of the development of interventional devices for mitral valve repair with the implantation of artificial chords | |
| RU2142752C1 (en) | Method for substituting finger soft tissue defects having injured nail bed |
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: 20091223 Termination date: 20101224 |