CN104069583A - Heart and blood vessel expanding device - Google Patents
Heart and blood vessel expanding device Download PDFInfo
- Publication number
- CN104069583A CN104069583A CN201410350843.4A CN201410350843A CN104069583A CN 104069583 A CN104069583 A CN 104069583A CN 201410350843 A CN201410350843 A CN 201410350843A CN 104069583 A CN104069583 A CN 104069583A
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- pipe
- radial dilatation
- expansion device
- air bag
- bar portion
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Abstract
The invention discloses a heart and blood vessel expanding device, which includes a handle, a rod part, a radial expanding mechanism and a guide head that are sequentially arranged, wherein the radial expanding mechanism includes an air bag or a support tube arranged at the front end of the rod part; the outer side of the air bag or the support tube is wrapped with a layer of compressed radial expanding tube; the outer side of the radial expanding tube is wrapped with an easily absorbed adventitia layer; an easily torn seam is arranged on one side of the easily absorbed adventitia layer. After the improvement, the heart and blood vessel expanding device has the advantages that the support rod is thinner and good in flexibility, can freely move in vessels without affecting normal transfusion of vessels, the easily absorbed adventitia layer can be opened by controlling the easily torn seam at a proper position, so that the radial expanding tube on the inner side can expand, and the function that the radial expanding tube expands in the radial direction in situ to support the inner wall of vessels is realized; the rod can be withdrawn easily, and no friction to the inner walls of vessels during the entire operation process is caused; the heart and blood vessel expanding device is simple and reasonable in structure, and highly facilitates popularization and implementation.
Description
Technical field
The present invention relates to the medical apparatus and instruments of cardiovascular technical field, particularly a kind of for expanding cardiovascular narrow zone improve blood flow to cardiovascular expansion device.
Background technology
Existing vessel dilator pushed enter the mode taked of blood vessel be that dilator is inserted in a stay pipe, after stay pipe gos deep in blood vessel, in stay pipe, utilize a push rod that dilator is pushed blood vessel.Existing problems: the one, dilator is flexible, is expansible departing from after stay pipe port, and thrust subsequently easily causes dilator and blood vessel friction, makes blood vessel impaired; The 2nd, the internal-and external diameter of stay pipe is all larger, be difficult for passing through after running into narrow blood vessel, and easily artery-clogging, dilator departs from comparatively difficulty of stay pipe.
Summary of the invention
The object of the invention is, for existing cardiovascular expansion device ubiquity complex structure, unhandy problem, provides a kind of cardiovascular expansion device that can regulate.
For achieving the above object, adopt following technical scheme: a kind of cardiovascular expansion device, comprise successively handle, bar portion, radial dilatation mechanism and guide head, wherein, described radial dilatation mechanism comprises an air bag that is arranged on bar portion front end, is enclosed with the compressed radial dilatation pipe of one deck in air bag outside, and in the outside of radial dilatation pipe, parcel one deck easily absorbs theca externa, and, be provided with and easily tear seam in a side that easily absorbs theca externa; Be provided with the trachea being communicated with air bag in bar portion, and be arranged on the gas-filled switching tube of handle position.Can force the seam that easily tears of easy absorption theca externa to split by inflation in air bag, thereby make compressed radial dilatation pipe Automatic-expanding, be fitted in blood vessel and reach support object.Radially be provided with interior lacing wire in described air bag inwall both sides, keep evenly expanding thereby can retrain air bag.Have circular membrane groove in described air bag arranged outside, described radial dilatation pipe box is loaded in circular membrane groove, and described easy absorption theca externa is positioned at circular membrane groove.
A kind of cardiovascular expansion device, comprise successively handle, bar portion, radial dilatation mechanism and guide head, wherein, described radial dilatation mechanism comprises a stay pipe that is arranged on bar portion front end, in stay pipe outside, parcel one deck has the compressed radial dilatation pipe of one deck, in the outside of radial dilatation pipe, parcel one deck easily absorbs theca externa, and, be provided with and easily tear seam in a side that easily absorbs theca externa; The described seam that easily tears easily tears seam for the formula of taking out stitches, or easily tears seam for zip mode; A side in described bar portion is provided with wire casing vertically, described in the formula of taking out stitches easily tear the bracing wire that seam or zip mode easily tear seam and be arranged in wire casing, the end of bracing wire is positioned at handle position.Have circular membrane groove in described stay pipe arranged outside, described radial dilatation pipe box is loaded in circular membrane groove, and described easy absorption theca externa is positioned at circular membrane groove.Described radial dilatation pipe is network structure, and the shell fragment by fold between adjoining cells connects, and keeps expansion prestressing force.The compressed pipe that described radial dilatation pipe is fold, and keep expansion prestressing force, on compressed pipe, be provided with through hole.Bar portion can be a kind of elongated flexible material, under guide head effect, can adjust voluntarily direction along blood vessel trend.
Beneficial effect: after the present invention improves, support bar is thinner, flexible, can be freed from migration in blood vessel, vasoinert normal blood transfusion function, make layer open outside easily absorption at correct position by controlling easily to tear to stitch, the radial dilatation pipe of inner side is launched, reach the effect of original place radial development support blood vessels inwall.After radial expansion pipe is compressed, there is radial development prestressing force, easily tear the rear radial expansion pipe of seam cracking and get final product Automatic-expanding.Wherein easily tear seam and can make its cracking by air pressure, also can, by slide fastener or the formula of taking out stitches, make its cracking by stay cord control.After radial expansion pipe is compressed, be hidden in bar portion front end, do not affect the advance and retreat operation of bar portion.Easily absorbing skin can be a kind of protein film, is easy to absorb.The present invention sends to destination by tiny rod member by the radial expansion pipe of compression, can be in destination's original place radial development, and to exit rod member and be very easy to, whole operating process can not cause friction to blood vessel.It is simple and reasonable, is beneficial to very much promotion and implementation.
Brief description of the drawings
Fig. 1 is one of structural representation of the present invention;
Fig. 2 is the A-A cross-sectional view of Fig. 1;
Fig. 3 is the radial development view of Fig. 2;
Fig. 4 is two of structural representation of the present invention;
Fig. 5 is local interior's structural representation of Fig. 4;
Fig. 6 is the local appearance structural representation of Fig. 4;
Fig. 7 is another kind of radial expansion tubular construction schematic diagram;
Fig. 8 has a kind of radial expansion tubular construction schematic diagram.
In figure, label 1 is handle, and 2 is bar portion, and 3 is radial dilatation mechanism, 30 is circular membrane groove, and 31 is air bag, and 32 is stay pipe, and 33 is easily to absorb adventitia, 34 is interior lacing wire, and 35 is wire casing, and 36 is trachea, and 37 is gas-filled switching tube, 38 is pull head, and 39 is mesh, and 4 is guide head, and 5 is radial dilatation pipe, 5a is netted radial expansion pipe, and 5b is Wrinkled radial expansion pipe one, and 5c is that Wrinkled radial expansion pipe two, 6 is blood vessel, 7 easily tear seam for splitting formula, and 8 easily tear seam for zip mode, and 9 easily tear seam for the formula of taking out stitches.
detailed description of the invention
Embodiment 1: the first cardiovascular expansion device, referring to Fig. 1, comprises handle 1, bar portion 2, radial dilatation mechanism 3 and guide head 4 successively.Referring to Fig. 2 and Fig. 3, radial dilatation mechanism 3 comprises an air bag 31 that is arranged on bar portion front end, be enclosed with the compressed radial dilatation pipe 5 of one deck in air bag 31 outsides, in the outside of radial dilatation pipe 5, parcel one deck easily absorbs theca externa 33, and, be provided with and split formula and easily tear seam 7 in a side that easily absorbs theca externa 33, after being expanded, can split.Be provided with the trachea 36 being communicated with air bag 31 in bar portion 2, and be arranged on the gas-filled switching tube 37 of handle position.Radial dilatation mechanism 3 is carried to by bar portion 2 to be deep into after the inner correct position of blood vessel 6, can force air bag 31 to expand to inflation in air bag 31, the formula of splitting that makes easily to absorb adventitia 33 is easily torn seam 7 and is split, thereby make compressed radial dilatation pipe 5 original place Automatic-expandings, be fitted in blood vessel 6 inwalls and reach support object.In the present invention, radial dilatation pipe 5 is netted radial expansion pipe 5a.For example adopt protein film under the invertase effect in blood, to be decomposed and to absorb and easily absorb adventitia 33, do not affect the normal supporting role of radial dilatation pipe.
Visible in Fig. 2 and Fig. 3, be radially provided with interior lacing wire 34 in air bag 31 inwall both sides, keep evenly expanding thereby can retrain air bag 31.
In addition, described bar portion 2 can be a kind of elongated flexible material, for example, adopt needle tubing that similar Minimally Invasive Surgery uses etc.Under guide head effect, can adjust voluntarily direction along blood vessel trend
Embodiment 2: the second cardiovascular expansion device, accompanying drawing is not drawn, and content is substantially the same manner as Example 1, something in common does not repeat, different: have circular membrane groove in described air bag arranged outside, described radial dilatation pipe box is loaded in circular membrane groove, described easy absorption theca externa is positioned at circular membrane groove.
Embodiment 3: the third cardiovascular expansion device, referring to Fig. 4, comprises handle 1, bar portion 2, radial dilatation mechanism 3 and guide head 4 successively.Referring to Fig. 5, radial dilatation mechanism 3 comprises a stay pipe 32 that is arranged on bar portion 1 front end, there is the compressed radial dilatation pipe 5 of one deck at stay pipe 32 outside parcel one decks, in the outside of radial dilatation pipe 5, parcel one deck easily absorbs theca externa 33, and, be provided with and easily tear seam in a side that easily absorbs theca externa 33, this easily tears seam and stitches 8 for zip mode easily tears; A side in described bar portion 2 is provided with wire casing 35 vertically, and bracing wire is arranged in wire casing 35, and bracing wire one end connects pull head 38, and the other end is positioned at handle position.
In the present embodiment, have circular membrane groove 30 in stay pipe arranged outside, described radial dilatation pipe 5 is set in circular membrane groove 30, and described easy absorption theca externa 33 is positioned at circular membrane groove 30.
Visible in Fig. 5, radial dilatation pipe 5 is netted radial expansion pipe 5a, and the shell fragment by fold between adjoining cells connects, and keeps expansion prestressing force.
4: the four kinds of cardiovascular expansion devices of embodiment, referring to Fig. 7 or Fig. 8, content and embodiment 1 or 3 are basic identical, and something in common does not repeat, different: the compressed pipe that radial dilatation pipe is fold, as Wrinkled radial expansion pipe one 5b in figure and Wrinkled radial expansion pipe two 5c.And keep expansion prestressing force, on compressed pipe, be provided with through hole 39.
5: the five kinds of cardiovascular expansion devices of embodiment, referring to Fig. 6, content and embodiment 1 or 3 are basic identical, something in common does not repeat, different: the seam that easily tears that easily absorbs adventitia 33 1 sides easily tears seam 9 for the formula of taking out stitches, and bracing wire is arranged in wire casing 35, outwards this bracing wire of tractive, can make easily to tear seam and take apart.
Claims (10)
1. a cardiovascular expansion device, it is characterized in that: comprise successively handle, bar portion, radial dilatation mechanism and guide head, wherein, described radial dilatation mechanism comprises an air bag that is arranged on bar portion front end, be enclosed with the compressed radial dilatation pipe of one deck in air bag outside, in the outside of radial dilatation pipe, parcel one deck easily absorbs theca externa, and, be provided with and easily tear seam in a side that easily absorbs theca externa; Be provided with the trachea being communicated with air bag in bar portion, and be arranged on the gas-filled switching tube of handle position.
2. cardiovascular expansion device according to claim 1, is characterized in that: be radially provided with interior lacing wire in described air bag inwall both sides, keep evenly expanding thereby can retrain air bag.
3. cardiovascular expansion device according to claim 1, is characterized in that: have circular membrane groove in described air bag arranged outside, described radial dilatation pipe box is loaded in circular membrane groove, and described easy absorption theca externa is positioned at circular membrane groove.
4. cardiovascular expansion device according to claim 1, is characterized in that: described radial dilatation pipe is network structure, and the shell fragment by fold between adjoining cells connects, and keeps expansion prestressing force.
5. cardiovascular expansion device according to claim 1, is characterized in that: the compressed pipe that described radial dilatation pipe is fold, and keep expansion prestressing force, on compressed pipe, be provided with through hole.
6. a cardiovascular expansion device, it is characterized in that: comprise successively handle, bar portion, radial dilatation mechanism and guide head, wherein, described radial dilatation mechanism comprises a stay pipe that is arranged on bar portion front end, in stay pipe outside, parcel one deck has the compressed radial dilatation pipe of one deck, in the outside of radial dilatation pipe, parcel one deck easily absorbs theca externa, and, be provided with and easily tear seam in a side that easily absorbs theca externa; The described seam that easily tears easily tears seam for the formula of taking out stitches, or easily tears seam for zip mode; A side in described bar portion is provided with wire casing vertically, described in the formula of taking out stitches easily tear the bracing wire that seam or zip mode easily tear seam and be arranged in wire casing, the end of bracing wire is positioned at handle position.
7. cardiovascular expansion device according to claim 1, is characterized in that: have circular membrane groove in described stay pipe arranged outside, described radial dilatation pipe box is loaded in circular membrane groove, and described easy absorption theca externa is positioned at circular membrane groove.
8. cardiovascular expansion device according to claim 1, is characterized in that: described radial dilatation pipe is network structure, and the shell fragment by fold between adjoining cells connects, and keeps expansion prestressing force.
9. cardiovascular expansion device according to claim 1, is characterized in that: the compressed pipe that described radial dilatation pipe is fold, and keep expansion prestressing force, on compressed pipe, be provided with through hole.
10. according to the cardiovascular expansion device described in claim 1-9 any one, it is characterized in that: bar portion is a kind of elongated flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410350843.4A CN104069583B (en) | 2014-07-23 | 2014-07-23 | Cardiovascular expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410350843.4A CN104069583B (en) | 2014-07-23 | 2014-07-23 | Cardiovascular expansion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104069583A true CN104069583A (en) | 2014-10-01 |
| CN104069583B CN104069583B (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410350843.4A Expired - Fee Related CN104069583B (en) | 2014-07-23 | 2014-07-23 | Cardiovascular expansion device |
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| CN (1) | CN104069583B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796137A (en) * | 2016-03-17 | 2016-07-27 | 中国人民解放军第三军医大学第二附属医院 | Medical operation channel stent |
| CN106963429A (en) * | 2017-03-30 | 2017-07-21 | 郭新辉 | The minimally invasive tunnel dilator of gasbag-type |
| CN107198601A (en) * | 2017-07-05 | 2017-09-26 | 佛山杰致信息科技有限公司 | A kind of pair of sacculus strengthens conduit |
| CN107812266A (en) * | 2017-11-30 | 2018-03-20 | 黄河科技学院 | GI Medicine bowel lavage defaecation abdominal cavity circulation cleaning device |
| CN111632255A (en) * | 2020-04-28 | 2020-09-08 | 贵州省人民医院 | Vasodilator for cardiovascular internal medicine and preparation method thereof |
| CN112155507A (en) * | 2020-09-18 | 2021-01-01 | 宁波市北仑区人民医院 | Inflatable vaginal dilator |
| CN112245781A (en) * | 2020-10-30 | 2021-01-22 | 榆林市第一医院 | Nasopharynx and larynx surface anesthesia device |
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| US5549635A (en) * | 1994-01-24 | 1996-08-27 | Solar, Rita & Gaterud, Ltd. | Non-deformable self-expanding parallel flow endovascular stent and deployment apparatus therefore |
| US20090254169A1 (en) * | 2008-04-03 | 2009-10-08 | Gardia Medical Ltd. | Delivery catheter with constraining sheath and methods of deploying medical devices into a body lumen |
| CN201888984U (en) * | 2010-12-02 | 2011-07-06 | 付蓉 | Balloon type cardiovascular dilating catheter |
| WO2012155130A1 (en) * | 2011-05-12 | 2012-11-15 | Medtronic Inc. | Delivery catheter system with micro and macro movement control |
| CN203029810U (en) * | 2013-01-18 | 2013-07-03 | 王顺强 | Novel multi-functional cardiovascular expanding device |
| CN203400395U (en) * | 2009-12-18 | 2014-01-22 | 拜耳制药股份公司 | Tear-away sheath and balloon catheter |
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2014
- 2014-07-23 CN CN201410350843.4A patent/CN104069583B/en not_active Expired - Fee Related
Patent Citations (6)
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| US5549635A (en) * | 1994-01-24 | 1996-08-27 | Solar, Rita & Gaterud, Ltd. | Non-deformable self-expanding parallel flow endovascular stent and deployment apparatus therefore |
| US20090254169A1 (en) * | 2008-04-03 | 2009-10-08 | Gardia Medical Ltd. | Delivery catheter with constraining sheath and methods of deploying medical devices into a body lumen |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105796137A (en) * | 2016-03-17 | 2016-07-27 | 中国人民解放军第三军医大学第二附属医院 | Medical operation channel stent |
| CN106963429A (en) * | 2017-03-30 | 2017-07-21 | 郭新辉 | The minimally invasive tunnel dilator of gasbag-type |
| CN107198601A (en) * | 2017-07-05 | 2017-09-26 | 佛山杰致信息科技有限公司 | A kind of pair of sacculus strengthens conduit |
| CN107812266A (en) * | 2017-11-30 | 2018-03-20 | 黄河科技学院 | GI Medicine bowel lavage defaecation abdominal cavity circulation cleaning device |
| CN111632255A (en) * | 2020-04-28 | 2020-09-08 | 贵州省人民医院 | Vasodilator for cardiovascular internal medicine and preparation method thereof |
| CN111632255B (en) * | 2020-04-28 | 2022-04-29 | 贵州省人民医院 | Vasodilator for cardiovascular internal medicine and preparation method thereof |
| CN112155507A (en) * | 2020-09-18 | 2021-01-01 | 宁波市北仑区人民医院 | Inflatable vaginal dilator |
| CN112245781A (en) * | 2020-10-30 | 2021-01-22 | 榆林市第一医院 | Nasopharynx and larynx surface anesthesia device |
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| CN104069583B (en) | 2016-08-31 |
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Effective date of registration: 20151218 Address after: 450000 Zhengzhou City, Henan province Navigation Road No. 94 Applicant after: Huanghe S & T College Address before: 452370, No. 204, building 9, Gou Xin Village, Xinhua Road office, Xinmi, Henan, Zhengzhou Applicant before: Wang Lihua |
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Granted publication date: 20160831 Termination date: 20170723 |
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