CN102657563A - Bracket positioning device for interventional treatment of vascular opening diseases - Google Patents
Bracket positioning device for interventional treatment of vascular opening diseases Download PDFInfo
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- CN102657563A CN102657563A CN2012101576476A CN201210157647A CN102657563A CN 102657563 A CN102657563 A CN 102657563A CN 2012101576476 A CN2012101576476 A CN 2012101576476A CN 201210157647 A CN201210157647 A CN 201210157647A CN 102657563 A CN102657563 A CN 102657563A
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- support frame
- frame positioning
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Abstract
The invention discloses a bracket positioning device for the interventional treatment of vascular opening diseases, consisting of a long wire and a cylinder structure with expandable positioning feet. The cylinder structure and the long wire send a bracket delivery system to an opening part of a blood vessel required to be planted with a bracket. The positioning feet play a role in positioning and supporting. The long wire pushes the positioning feet out from guiding catheters, thereby achieving the adhesion of an artery onto a wall; moreover, the development parts of the positioning feet can form one development plane. The bracket positioning device for the interventional treatment of the vascular opening diseases has the advantages of simple processing as an integral sintering structure, processing and shaping through thermal treatment, relatively low cost and convenient use.
Description
Technical field
The present invention relates to a kind of minimally invasive medical apparatus, particularly a kind of support frame positioning device that is used for openings in blood vessels pathological changes interventional therapy.
Background technology
Compare traditional coronary bypass surgery, adopt Wicresoft's intervene operation wound of stent in the treatment little, effective, become the narrow main method of present treatment cardiovascular.Coronary ostium pathological changes for cardiovascular in narrow, the normal therapeutic strategy that adopts also is implantable intravascular support (an abbreviation support).In the clinical solution of coronary ostium portion stenotic lesion, realize that the intervention effect can effectively be improved in the accurate location of support.
The support location of opening diseased region is a difficult problem always.
If support apart from the opening pathological changes too far away lid opening incessantly, it is incomplete to cause speckle to cover, restenosis rate is very high, needs once more implant frame to cover pathological changes.
If support is too near apart from the opening pathological changes, promptly mount proximal end excessively covers the pathological changes near-end, protrudes on the aorta, influences the adherent and corresponding treatment of further conduit, and is prone to cause the support dislocation.Simultaneously; Because stenotic lesion is nearer apart from the opening pathological changes; The percutaneous arteria coronaria inserts after guiding catheter gets into arteria coronaria opening pathological changes in the art, causes guiding catheter to stop up remaining tube chamber or stimulates pathological changes to cause spasm, incarceration possibly occur; Coronary blood flow is stagnated, and will cause pernicious complication such as severe cardiac myocardial ischemia, malignant arrhythmia even sudden death like not timely discovery.
Summary of the invention
The objective of the invention is to; Be provided for the support frame positioning device in the openings in blood vessels pathological changes interventional therapy; To overcome the above-mentioned shortcoming and defect of existing in prior technology, the use of this support frame positioning device helps the doctor in operation process, to realize the accurate location of support.Be applicable to left coronary artery, right coronary artery and Vein Bridge blood vessel and renal artery blood vessel.
The technical problem that will solve required for the present invention, can realize through following technical scheme:
Support frame positioning device in a kind of stent delivery system that is used for openings in blood vessels pathological changes interventional therapy; Comprise: housing structure; The tinsel that adopts marmem to process is processed the cylinder-like structure of hollow out; Housing structure is arranged in the guiding catheter of stent delivery system, and support is set in the housing structure; Long filament is the tinsel section of extending upward of housing structure, and housing structure is released or the indentation guiding catheter; And a plurality of angles; Be the downward extension of the tinsel of housing structure; The end setting of angle has the development section that the coating of material is not passed through in radiation, and wherein, angle is linear structure in guiding catheter; Angle stretches out the bending structure that guiding catheter presents the tinsel memory outward, and a plurality of bending structures are fixed in the opening lesions with guiding catheter.
Further, the support frame positioning device that is used for openings in blood vessels pathological changes interventional therapy of the present invention can also have such characteristic: the external diameter of housing structure and the internal diameter of guiding catheter are complementary.
Further; The support frame positioning device that is used for openings in blood vessels pathological changes interventional therapy of the present invention can also have such characteristic: the bending structure of angle is " L " type; One end is connected with the tinsel of housing structure; The other end is free development section, and the quantity of angle is 4, and the development section of 4 angles forms the development plane.
Further, the support frame positioning device that is used for openings in blood vessels pathological changes interventional therapy of the present invention can also have such characteristic: the outside dimension that angle expands the bending structure after opening is 4mm-15mm.
Further, the support frame positioning device that is used for openings in blood vessels pathological changes interventional therapy of the present invention can also have such characteristic: the end of long filament is a handle.
Further, the support frame positioning device that is used for openings in blood vessels pathological changes interventional therapy of the present invention can also have such characteristic: the coating that material is not passed through in radiation is the platinum coating.
Further, the support frame positioning device that is used for openings in blood vessels pathological changes interventional therapy of the present invention can also have such characteristic: tinsel adopts Nitinol to process thread nitinol alloy wire.
Further; The support frame positioning device that is used for openings in blood vessels pathological changes interventional therapy of the present invention can also have such characteristic: housing structure adopts nitinol alloy wire to interlock and is entwined, and it is integral structure that long filament, housing structure and angle adopt the nitinol alloy wire heat treatment.
Beneficial effect of the present invention:
The present invention is made up of a long filament and the housing structure that has distensible angle.The opening of the blood vessel that needs implant frame delivered to stent delivery system together by housing structure and long filament.
The present invention is in operating process, and angle plays the effect of location and support.By long filament angle is released from guiding catheter, realized arterial vascular adherently, and the development section of angle can form a development plane.
Housing structure is that the coiling of nitinol alloy wire forms, and uses heat treatment one-body molded.Long filament, housing structure and angle are the part of coiling silk, do not have welding and the problem of cutting between Nitinol, so this support frame positioning device can not rupture.
Description of drawings
Fig. 1 is a structural representation of the present invention,
Fig. 2 is a partial enlarged drawing of the present invention.
Fig. 3 is a side view of the present invention.
Reference numeral:
The specific embodiment
Below in conjunction with specific embodiment, the present invention is described further.Should be understood that following examples only are used to the present invention is described but not are used to limit scope of the present invention.
Embodiment
Fig. 1 is a structural representation of the present invention, and Fig. 2 is a partial enlarged drawing of the present invention.
As depicted in figs. 1 and 2, a kind of support frame positioning device that is used for openings in blood vessels pathological changes interventional therapy is used for comprising in the stent delivery system of openings in blood vessels pathological changes interventional therapy: angle 10, housing structure 20 and long filament 30.
The tinsel that housing structure 20 adopts marmem to process is processed the cylinder-like structure of hollow out, and housing structure 20 is arranged in the guiding catheter of stent delivery system, and intravascular stent (abbreviation support) is set in the housing structure 20.
The present invention of the present invention can place guiding catheter, and the external diameter of housing structure and the internal diameter of guiding catheter are complementary, and are 4F to 14Fr.The diameter of guiding catheter is 4F to 14Fr.The diameter of housing structure 20 can change with guiding catheter; The external diameter of housing structure 20 is slightly less than the internal diameter of guiding catheter; With this mechanical performance that changes structure, make housing structure 20 and guiding catheter mating surface have than slight drag, make things convenient for device to release and reclaim.
As depicted in figs. 1 and 2, long filament 30 is the tinsel section of extending upward of housing structure, and housing structure 20 is released or the indentation guiding catheter.The end of long filament 30 is a handle.Handle is processed by plastic material, and with the color of long filament 30 tangible difference is arranged.
Fig. 3 is a side view of the present invention.Like Fig. 1-shown in Figure 3, four downward extensions of tinsel that angle 10 is a housing structure, the end setting of angle 10 has the development section 11 that the coating of material is not passed through in radiation.In the present embodiment, radiating the coating of not passing through material is the platinum coating.
Like Fig. 1-shown in Figure 2, the bending structure of angle is " L " type, and an end is connected with the tinsel of housing structure, and the other end is free development section, and is as shown in Figure 3, and the quantity of angle is 4, and the development section of 4 angles forms the development plane.The outside dimension that angle 10 expands the bending structure after opening is 4mm-15mm.
The present invention is in operating process, and angle 10 plays the effect of location and support.By long filament 30 angle 10 is released from guiding catheter, realized arterial vascular adherently, and the development section 11 of angle 10 can form a development plane.
Support frame positioning device of the present invention can make the operator in support being implanted to the blood vessel near-end 2mm of opening pathological changes, become easier.
Above specific embodiments of the invention is illustrated, but the present invention is as limit, and only otherwise break away from aim of the present invention, the present invention can also have various variations.
Claims (8)
1. the support frame positioning device in the stent delivery system that is used for openings in blood vessels pathological changes interventional therapy is characterized in that, comprising:
Housing structure, the tinsel that adopts marmem to process is processed the cylinder-like structure of hollow out, and said housing structure is arranged in the guiding catheter of said stent delivery system, in the said housing structure support is set;
Long filament is the said tinsel section of extending upward of said housing structure, and said housing structure is released or the said guiding catheter of indentation; And
A plurality of angles are the downward extension of said tinsel of said housing structure, and the end setting of said angle has the development section that the coating of material is not passed through in radiation,
Wherein, said angle is linear structure in said guiding catheter, and said angle stretches out the bending structure that said guiding catheter presents said tinsel memory outward, and a plurality of bending structures are fixed in said opening lesions with said guiding catheter.
2. support frame positioning device according to claim 1 is characterized in that: the external diameter of said housing structure and the internal diameter of said guiding catheter are complementary.
3. support frame positioning device according to claim 1; It is characterized in that: the said bending structure of said angle is " L " type; One end is connected with the said tinsel of said housing structure; The other end is free development section, and the quantity of said angle is 4, and the development section of 4 said angles forms the development plane.
4. support frame positioning device according to claim 3 is characterized in that: the outside dimension that said angle expands the said bending structure after opening is 4mm-15mm.
5. support frame positioning device according to claim 1 is characterized in that: the end of said long filament is a handle.
6. support frame positioning device according to claim 1 is characterized in that: the coating that material is not passed through in said radiation is the platinum coating.
7. support frame positioning device according to claim 1 is characterized in that: said tinsel adopts Nitinol to process thread nitinol alloy wire.
8. support frame positioning device according to claim 1 is characterized in that: said housing structure adopts nitinol alloy wire to interlock and is entwined, and it is integral structure that said long filament, said housing structure and said angle adopt the nitinol alloy wire heat treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101576476A CN102657563A (en) | 2012-05-18 | 2012-05-18 | Bracket positioning device for interventional treatment of vascular opening diseases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101576476A CN102657563A (en) | 2012-05-18 | 2012-05-18 | Bracket positioning device for interventional treatment of vascular opening diseases |
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| Publication Number | Publication Date |
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| CN102657563A true CN102657563A (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101576476A Pending CN102657563A (en) | 2012-05-18 | 2012-05-18 | Bracket positioning device for interventional treatment of vascular opening diseases |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069769A (en) * | 2019-12-31 | 2020-04-28 | 江苏尼科医疗器械有限公司 | Laser processing method of metal inner tube of guide catheter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040111143A1 (en) * | 2002-12-06 | 2004-06-10 | Fischell Robert E. | Introducer sheath for the ostial placement of a stent |
| US20040181272A1 (en) * | 2001-01-05 | 2004-09-16 | Chambers Jeffrey W. | Stent positioning system and method |
| US20070225788A1 (en) * | 2006-03-24 | 2007-09-27 | Fischell Robert E | Device and method for placing a stent at the ostium of a blood vessel |
| US20080082155A1 (en) * | 2006-05-30 | 2008-04-03 | Ostidl Solutions, Llc | Means and method for the accurate placement of a stent at the ostium of an artery |
| US20080228146A1 (en) * | 2007-03-13 | 2008-09-18 | Yoav Shaked | Positioning device for ostial lesions |
| CN202568544U (en) * | 2012-05-18 | 2012-12-05 | 上海理工大学 | Support positioning device for vascular open lesions interventional therapy |
-
2012
- 2012-05-18 CN CN2012101576476A patent/CN102657563A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040181272A1 (en) * | 2001-01-05 | 2004-09-16 | Chambers Jeffrey W. | Stent positioning system and method |
| US20040111143A1 (en) * | 2002-12-06 | 2004-06-10 | Fischell Robert E. | Introducer sheath for the ostial placement of a stent |
| US20070225788A1 (en) * | 2006-03-24 | 2007-09-27 | Fischell Robert E | Device and method for placing a stent at the ostium of a blood vessel |
| US20080082155A1 (en) * | 2006-05-30 | 2008-04-03 | Ostidl Solutions, Llc | Means and method for the accurate placement of a stent at the ostium of an artery |
| US20080228146A1 (en) * | 2007-03-13 | 2008-09-18 | Yoav Shaked | Positioning device for ostial lesions |
| CN202568544U (en) * | 2012-05-18 | 2012-12-05 | 上海理工大学 | Support positioning device for vascular open lesions interventional therapy |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111069769A (en) * | 2019-12-31 | 2020-04-28 | 江苏尼科医疗器械有限公司 | Laser processing method of metal inner tube of guide catheter |
| CN111069769B (en) * | 2019-12-31 | 2022-02-25 | 江苏尼科医疗器械有限公司 | Laser processing method of metal inner tube of guide catheter |
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Application publication date: 20120912 |