CN103784179B - Blood vessel restraint device - Google Patents
Blood vessel restraint device Download PDFInfo
- Publication number
- CN103784179B CN103784179B CN201410031957.2A CN201410031957A CN103784179B CN 103784179 B CN103784179 B CN 103784179B CN 201410031957 A CN201410031957 A CN 201410031957A CN 103784179 B CN103784179 B CN 103784179B
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- China
- Prior art keywords
- blood vessel
- framework
- rigid frame
- restraint device
- blood
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- 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
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- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 239000000806 elastomer Substances 0.000 claims abstract description 7
- 241000283984 Rodentia Species 0.000 claims description 3
- 210000004369 blood Anatomy 0.000 abstract description 13
- 239000008280 blood Substances 0.000 abstract description 13
- 230000002792 vascular Effects 0.000 abstract description 9
- 230000006378 damage Effects 0.000 abstract description 7
- 206010033892 Paraplegia Diseases 0.000 abstract description 4
- 210000003038 endothelium Anatomy 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 239000007943 implant Substances 0.000 abstract description 3
- 210000004026 tunica intima Anatomy 0.000 abstract description 3
- 206010061660 Artery dissection Diseases 0.000 abstract description 2
- 230000017531 blood circulation Effects 0.000 description 11
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 6
- 208000007536 Thrombosis Diseases 0.000 description 5
- 231100000216 vascular lesion Toxicity 0.000 description 4
- 206010002329 Aneurysm Diseases 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000000302 ischemic effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000003902 lesion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 206010053567 Coagulopathies Diseases 0.000 description 1
- 241001484259 Lacuna Species 0.000 description 1
- 208000031816 Pathologic Dilatation Diseases 0.000 description 1
- 241000294142 Vascellum Species 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 239000002473 artificial blood Substances 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 230000035602 clotting Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 210000000278 spinal cord Anatomy 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/12—Surgical instruments, devices or methods for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels or umbilical cord
- A61B17/12009—Implements for ligaturing other than by clamps or clips, e.g. using a loop with a slip knot
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Reproductive Health (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of blood vessel restraint device, comprise the rigid frame of hollow columnar; A radially side of rigid frame disconnects; Also comprise and be fixed on the elastomer that forms semi-ring nested structure between described rigid frame frame, blood vessel restraint device of the present invention, can strengthen the tension stress performance of vascular wall, prevents blood vessel dilatation, breaks, avoid apparatus directly to contact with blood vessel endothelium and blood, protected blood and blood vessel endothelium; Avoided extracorporal circulatory system, simple to operate, the time is short, wound is little, can significantly improve result for the treatment of, can, in conjunction with placing bare bracket treatment artery dissection in tube chamber, will inside and outside vascular wall, clamp simultaneously, has improved the mechanical strength of vascular wall; Reduce the damage to aortic tunica intima, reduce the formation rate of intimal tear, do not have interior leakage; The function that has protection endangium, can reduce the bolt rate that causes; And bare bracket do not affect the blood confession of aortic branch blood vessel, reduce the incidence of paraplegia, that can implant is wider, the false chamber of adequate closure, reduce existing the disadvantage of later stage vacation chamber sustainable existence dysraphism.
Description
Technical field
The present invention relates to a kind of medicine equipment, relate in particular to a kind of blood vessel restraint device.
Background technology
Aneurysm is very dangerous clinically a kind of vascular diseases, once finding aneurysm patient, needs as early as possibleIt is treated accordingly, and the measure for the treatment of at present is mainly divided into: 1. operation vascular replacement. Curative effectFor definitely, but this type of patient of patient mostly is advanced age, and operation wound is large, and most of patients needs extracorporal circulatory system,Peri operative mortality is higher, and the complication such as postoperative thrombus, important blood vessels branch are narrow, previous anastomotic expansionFor common. 2. utilize Wicresoft's interventional therapeutic technique of inner cavity insulation principle, it is with thinner defeated of a set of caliberSend system, the overlay film frame that the band of confined state is supported is sent to vascular lesion position, after accurately locating,By its release and cover lesion vessels, isolated vascular lesion position also forms new channel of blood flow, props up at overlay filmBetween frame and lesion vessels, form false chamber, in false chamber, lose after blood supply its inner remained blood shape graduallyBecome thrombus flesh to change into vascular tissue, thereby reach the object for the treatment of, but this kind of methods for the treatment of is also modalSending out disease has: 1. interior leakage: refer to that false chamber is completely not isolated, still have blood flow. Once enter overlay film frame near-end and bloodNot laminating completely between pipe, under blood flow impacts, this lacuna can bear larger pressure, so that blood flow runs through wholeIndividual gap, leaks in forming, and after interior leakage occurs, false chamber is difficult to complete thrombosis, can cause false chamber Ectasia,The complication such as aorta rupture, finally treat unsuccessfully; 2. overlay film frame causes new cut: the reason of this complicationMore, wherein, overlay film frame and blood flow contact area are large, are subject to larger blood flow impact force, for stableFrame, proximal stent need to have compared with hightension compressing sustainer avoids displacement, and this oppressive force becomes in sustainerThe major reason that membrane damage, cut form, and endangium maintain clotting system stable in effect weigh to closing, at present artificial blood vessel's displacement, chamber, overlay film frame completely cuts off etc. and to have treated all grievous injury in local blood vesselFilm, causes hematoclasis, thrombosis; 3. thrombus: overlay film frame and blood flow contact area are large, blood vesselEndothelium is difficult to cover overlay film frame, remains in the higher bolt rate that causes, and the 4. important organ ischemic such as paraplegia performance, forOverlay film frame stops due to important blood vessels branch blood flow.
Therefore, for addressing the above problem, need one to be used for the treatment of aneurysmal medicine equipment, anti-tampon,The generation of the complication such as important organ ischemic, interior leakage, inner film injury, significantly improves result for the treatment of.
Summary of the invention
In view of this, the object of this invention is to provide a kind of blood vessel restraint device, can effectively anti-tampon, weightWant the generation of the complication such as internal organs ischemic, interior leakage, inner film injury, can significantly improve result for the treatment of.
Blood vessel restraint device of the present invention, comprises the rigid frame of hollow columnar; Described rigid frame radiallyOne side disconnects; Also comprise and be fixed on the elastomer that forms semi-ring nested structure between described rigid frame frame;
Further, described rigid frame comprises and is the first hinged framework of hinge shape and the second framework;
Further, described rigid frame also comprises for by the first framework and the fixing locking of the second framework lockingMechanism;
Further, described lockable mechanism comprises along the lock pin of the first framework and the setting of the second framework hinge; DescribedThe corresponding lock pin of the first framework is provided with the first locking hole; The corresponding lock pin of the second framework is provided with the second locking hole; DescribedLock pin is spline pin, and described the first locking hole and the second locking hole are to close with spline pin rodent the splined hole of locking;
Further, on described lock pin, each key crest top land is provided with around lock pin and is circumferentially with anti-slip tank;
Further, described anti-slip tank is helicla flute;
Further, described elastomer comprises along rigid frame and axially arranging and many along rigid frame axially-alignedIndividual curved wire.
The invention has the beneficial effects as follows: blood vessel restraint device of the present invention, is used for the treatment of aneurysm and prevention bloodWhen enlargement of pipe disease, can compress lesion locations from blood vessel outside, strengthen the tension stress of vascular wallCan, prevent blood vessel dilatation, break, avoid apparatus directly to contact with blood vessel endothelium and blood, protect bloodAnd blood vessel endothelium; Extracorporal circulatory system has been avoided in this type of operation, simple to operate, the time is short, and wound is little, can be significantlyImprove result for the treatment of, simultaneously can be in conjunction with placing bare bracket treatment artery dissection in tube chamber, by vascular wall curb pinsTightly, improved the mechanical strength of vascular wall; The object of bare bracket is support envelope, makes it and former surface of a wound laminating,Little with blood flow contact area, be subject to impulsive force little, be difficult for displacement, therefore proximal stent need to be oppressed compared with small tension receiving coilSustainer can be avoided displacement, reduces the damage to aortic tunica intima, reduces the formation rate of intimal tear, noIn existing, leak; Bare bracket and blood flow contact area are little, have the function of protection endangium, can reduce and cause boltRate; And bare bracket do not affect the blood confession of aortic branch blood vessel, without avoiding the important nutrient vessel of spinal cordOrigin place, the incidence of reduction paraplegia, that can implant is wider, and the false chamber of adequate closure, reduces existingThe disadvantage of later stage vacation chamber sustainable existence dysraphism.
Brief description of the drawings
Fig. 1 is front view of the present invention;
Fig. 2 is the top view of Fig. 1.
Detailed description of the invention
Fig. 1 is front view of the present invention; Fig. 2 is the top view of Fig. 1, as shown in the figure: the blood of the present embodimentPipe restraint device, comprises the rigid frame 1 of hollow columnar; A radially side of described rigid frame 1 disconnects shapeThe gap 2 that becomes to have certain width, can be enclosed within blood vessel outside, rigidity by rigid frame 1 by this gap 2Framework 1 internal diameter is slightly less than corresponding vascular lesion position external diameter, and rigid frame 1 can be consolidated in vessel outer wall by bandingFixed, for the position that has branch vessel, this gap 2 can be to branch's blood towards a side at branch vessel placePipe is stepped down, and also can offer slot to make way in gap 2 limit portions to the situation that branch vessel diameter is larger; Also bagDraw together and be fixed on the elastomer 3 that forms semi-ring nested structure between described rigid frame 1 frame, elastomer 3 can beAdapt to a certain extent the bending of blood vessel, can make it to shrink for diseased region provides elastic force effectively treatment simultaneouslyAneurysm; The ring wale that rigid frame 1 frame comprises the end, two ends that forms rigid support be fixedly connected withLongeron between two annular girders, the corresponding gap of ring wale 2 places disconnect and are semi-annular shape; Longeron is at least rightAnswer gap 2 both sides portions respectively to arrange one; This blood vessel restraint device can be moving in conjunction with placing bare bracket treatment in tube chamberArteries and veins interlayer, bare bracket is prior art, the elasticity silk screen that its structure is shell-like, as application number is200810106140.1 disclosed a kind of internally bare bracket of vascellum, can will clamp inside and outside vascular wall, have improved bloodThe mechanical strength of tube wall; The object of bare bracket is support envelope, makes it and former surface of a wound laminating, contacts with blood flowArea is little, is subject to impulsive force little, is difficult for displacement, therefore proximal stent need to be oppressed sustainer compared with small tension receiving coilAvoid displacement, reduce the damage to aortic tunica intima, reduce the formation rate of intimal tear, do not have interior leakage;Bare bracket and blood flow contact area are little, have the function of protection endangium, can reduce the bolt rate that causes; And nakedSupport does not affect the blood confession of aortic branch blood vessel, without the origin place that avoids the important nutrient vessel of spinal cord, fallsThe incidence of low paraplegia, that can implant is wider, the false chamber of adequate closure, reduce existing later stage vacationThe disadvantage of chamber sustainable existence dysraphism.
In the present embodiment, described rigid frame 1 comprises and is the first hinged framework 4 of hinge shape andTwo frameworks 5, the first framework 4 and the second framework 5 half buckling states form the rigidity with above-mentioned gap 2Framework 1, is convenient to this rigid frame 1 to be fastened on vessel outer wall, the auxiliary fixing dress such as recycling bolt or pinPut the first framework 4 is carried out to the relative implantation that fixedly completes rigid frame 1 with the second framework 5.
In the present embodiment, described rigid frame 1 also comprises for by the first framework 4 and the second framework 5 lockingsFixing lockable mechanism, makes rigid frame 1 be fixed on vessel outer wall, prevents that rigid frame 1 is shifted, and guaranteesResult for the treatment of.
In the present embodiment, described lockable mechanism comprises along the lock of the first framework 4 and the second framework 5 hinges settingsPin 6; The corresponding lock pin 6 of described the first framework 4 is provided with the first locking hole 8; The corresponding lock pin 6 of the second framework 5Be provided with the second locking hole 9; Described lock pin 6 is spline pin, described the first locking hole 8 and the second locking hole 9For closing with spline pin rodent the splined hole of locking, the backlash of spline tooth is rationally set, can be by lock pin 6 to theOne framework 4 and the second framework 5 carry out multi-faceted fixing, practical, and rigid frame 1 is fastened on to blood vesselAfter outer wall compression, lock pin 6 is inserted in the first locking hole 8 and the second locking hole 9, simple to operateConvenient; Lock pin 6 outside diameters are slightly larger than the first locking hole 8 and the interior circular diameter of the second locking hole 9, make lock pin6 insert after with the first locking hole 8 and the second locking hole 9 interference fit, prevent that lock pin 6 from coming off, keep thePosition stability between one framework 4 and the second framework 5.
In the present embodiment, on described lock pin 6, each key crest top land is provided with around lock pin 6 and is circumferentially with anti-slip tank 7,Can reduce the contact area between lock pin 6 and the first locking hole 8 and the second locking hole 9, be beneficial to lock pin 6 and showThere is small deformation in face, to insert smoothly in the first locking hole 8 and the second locking hole 9, and can improveCoefficient of friction between lock pin 6 and the first locking hole 8 and the second locking hole 9, further improve lock pin 6 withSyndeton intensity between the first locking hole 8 and the second locking hole 9, prevents that lock pin 6 from coming off.
In the present embodiment, described anti-slip tank 7 is helicla flute, not only easy to process, and on each key toothThe circular flute length of Length Ratio of the groove forming, non-skid property is better.
In the present embodiment, described elastomer 3 comprises along the axial setting of rigid frame 1 and along rigid frame 1 axleTo the multiple curved wire of arranging, wire, along the cylinder bending at rigid frame 1 place, utilizes curved goldThe effect that belongs to the elastic recovering force of silk is shunk vascular lesion position, can also adapt to preferably shape of blood vessel.
Finally explanation, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, althoughWith reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art should be appreciated thatCan modify or be equal to replacement technical scheme of the present invention, and not depart from technical solution of the present inventionAim and scope, it all should be encompassed in the middle of claim scope of the present invention.
Claims (4)
1. a blood vessel restraint device, is characterized in that: the rigid frame that comprises hollow columnar; Described rigidityA radially side of framework disconnects; Also comprise being fixed on and between described rigid frame frame, form semi-ring nested structureElastomer; Described rigid frame comprises and is the first hinged framework of hinge shape and the second framework; DescribedRigid frame also comprises for by the first framework and the fixing lockable mechanism of the second framework locking; Described locking machineStructure comprises along the lock pin of the first framework and the setting of the second framework hinge; The corresponding lock pin of described the first framework is provided with theOne locking hole; The corresponding lock pin of the second framework is provided with the second locking hole; Described lock pin is spline pin, described firstLocking hole and the second locking hole are to close with spline pin rodent the splined hole of locking.
2. blood vessel restraint device according to claim 1, is characterized in that: each key tooth on described lock pinEnd face is provided with the anti-slip tank circumferential around lock pin.
3. blood vessel restraint device according to claim 2, is characterized in that: described anti-slip tank is spiralGroove.
4. according to the blood vessel restraint device described in the arbitrary claim of claim 1-3, it is characterized in that: instituteStating elastomer comprises along axially setting the multiple curved wire along rigid frame axially-aligned of rigid frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031957.2A CN103784179B (en) | 2014-01-22 | 2014-01-22 | Blood vessel restraint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031957.2A CN103784179B (en) | 2014-01-22 | 2014-01-22 | Blood vessel restraint device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103784179A CN103784179A (en) | 2014-05-14 |
| CN103784179B true CN103784179B (en) | 2016-05-18 |
Family
ID=50660539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410031957.2A Expired - Fee Related CN103784179B (en) | 2014-01-22 | 2014-01-22 | Blood vessel restraint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103784179B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2218111C1 (en) * | 2002-07-17 | 2003-12-10 | Латыпов Виктор Равильевич | Device for obturating renal blood vessels |
| CN101965162A (en) * | 2007-12-15 | 2011-02-02 | 恩多斯潘有限公司 | Extra-vascular wrapping for treating aneurysmatic aorta in conjunction with endovascular stent-graft and methods thereof |
| CN102258391A (en) * | 2010-05-28 | 2011-11-30 | 微创医疗器械(上海)有限公司 | External hoop for blood vessels |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200501913A (en) * | 2003-01-15 | 2005-01-16 | Univ Miami | Venous anti-reflux implant |
| US9155641B2 (en) * | 2006-03-09 | 2015-10-13 | Cook Medical Technologies Llc | Expandable stent grafts |
-
2014
- 2014-01-22 CN CN201410031957.2A patent/CN103784179B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2218111C1 (en) * | 2002-07-17 | 2003-12-10 | Латыпов Виктор Равильевич | Device for obturating renal blood vessels |
| CN101965162A (en) * | 2007-12-15 | 2011-02-02 | 恩多斯潘有限公司 | Extra-vascular wrapping for treating aneurysmatic aorta in conjunction with endovascular stent-graft and methods thereof |
| CN102258391A (en) * | 2010-05-28 | 2011-11-30 | 微创医疗器械(上海)有限公司 | External hoop for blood vessels |
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| Publication number | Publication date |
|---|---|
| CN103784179A (en) | 2014-05-14 |
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Effective date of registration: 20181026 Address after: 510640 2414-2416 of the main building 371, five mountain road, Tianhe District, Guangzhou, Guangdong. Patentee after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 408000 No. 2, Gao sun Tang Road, Fuling District, Chongqing. Patentee before: Li Baotong |
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Effective date of registration: 20181102 Address after: 233000 Anhui Bengbu City Huaguang Avenue Jiahe residential area independent commercial building (two floor) Patentee after: Bengbu Zhongzhi Intellectual Property Operation Co.,Ltd. Address before: 510640 2414-2416 of the main building 371, five mountain road, Tianhe District, Guangzhou, Guangdong. Patentee before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. |
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