CN202027752U - Double-balloon catheter for bifurcate blood vessel opening - Google Patents
Double-balloon catheter for bifurcate blood vessel opening Download PDFInfo
- Publication number
- CN202027752U CN202027752U CN2011200524174U CN201120052417U CN202027752U CN 202027752 U CN202027752 U CN 202027752U CN 2011200524174 U CN2011200524174 U CN 2011200524174U CN 201120052417 U CN201120052417 U CN 201120052417U CN 202027752 U CN202027752 U CN 202027752U
- Authority
- CN
- China
- Prior art keywords
- sacculus
- fluid
- tube
- balloon catheter
- rear end
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M25/1011—Multiple balloon catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/04—Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts
- A61F2/06—Blood vessels
- A61F2002/065—Y-shaped blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/10—Balloon catheters
- A61M2025/1043—Balloon catheters with special features or adapted for special applications
- A61M2025/1045—Balloon catheters with special features or adapted for special applications for treating bifurcations, e.g. balloons in y-configuration, separate balloons or special features of the catheter for treating bifurcations
Abstract
The utility model relates to a double-balloon catheter for a bifurcate blood vessel opening, which can effectively solve the problem of accurate positioning for a lesion implanting support at the bifurcate blood vessel opening. The technical scheme is characterized in that: a netted support is arranged on a first balloon, a central wire guiding tube penetrates the balloons, developing points are embedded on a tube wall of the first balloon, an inner cavity inside of the central wire guiding tube is a wire guiding cavity, a front end of the wire guiding cavity is a wire guiding inlet, and a back end of the wire guiding cavity is a wire guiding outlet; front ends of the first and second balloons are hermetically connected with an front end of the central wire guiding tube, back ends of the first and second balloons are connected with front ends of liquid delivering tubes, liquid delivering cavities are arranged among the balloons, the liquid delivering tubes and the central wire guiding tube, the liquid delivering cavities extend from inner of the balloons to the back ends and are connected to joints. The double-balloon catheter in the utility model has simple, novel and unique structure, can be effectively used for treatments to disabled blood vessels with a puncture shaping surgery; in addition, the double-balloon catheter has the advantages of accurate positioning and safe use, thus the double-balloon catheter is especially suitable for expanding the support for the bifurcate blood vessel opening, and is an innovation of equipment for treating the bifurcate fine blood vessels.
Description
One, technical field
This utility model relates to medical apparatus and instruments, in the puncture shaping surgery especially for interventional therapeutic technique, at the dual balloon catheter of a kind of bifurcated vessels opening of bifurcated vessels opening pathological changes.
Two, background technology
Foley's tube is a kind of blood vessel internal shaping art instrument, it is under the guiding of medical imaging device, foley's tube is inserted the narrow positions of blood vessel with the percutaneous puncture technology, and under strictness monitoring, carry out balloon expandable and expand, make the narrow positions of blood vessel obtain expansion, thereby recover the vessel lumen diameter, improve blood flow.Along with coming out one after another of various supports, foley's tube and then shoulder the function of stent delivery system again.Support preceding pressure in advance in entering patient's body is held on the sacculus, the sacculus band support and is arrived the stenotic lesion place, and the expansible while support of balloon expandable is strutted, sacculus put push back withdraw from after contracting external, support will be stayed in patient's body for a long time, and the support blood vessels tube chamber is with anti-restenosis.
In percutaneous transluminal angio plasty, usually need accurate location when being positioned at the pathological changes implant frame of bifurcated opening part, if entering front end when placing, support (claims far-end again, as follows) too many, nearly section pathological changes can not cover fully, effect is dissatisfied, otherwise, support is outstanding too many to near-end, and then unsettled dissociating of back-end support (claiming near-end again, as follows) can't be adherent, easily the hyperamization bolt forms, in main blood vessel more than the outstanding 3mm, in the future as need radiography or interventional therapy once more, guiding catheter can't put in place and hide some dangers for as support.It is generally acknowledged with the outer 0.5-1.0mm of the outstanding pathological changes of near-end and be advisable, but that because the beating of heart being everlasting often and slidably reciprocating in the tube chamber in the support location, adds the multiple factors such as elasticity of apparatus, makes that accurately the location is very difficult.So, how to solve this technical barrier?
Three, summary of the invention
At above-mentioned situation, the purpose of this utility model just provides a kind of dual balloon catheter of bifurcated vessels opening, the pinpoint problem of support when the pathological changes that can effectively solve the bifurcated vessels opening part is implanted.
The technical scheme that this utility model solves is: the rear end at first foley's tube increases by one second sacculus, the full back of this second sacculus caliber is slightly larger than lesion vessels, support is not carried when putting in place as yet fully, low pressure fills second sacculus in advance, continuing to be fed forward foley's tube then puts in place fully, because the full back of second sacculus caliber is slightly larger than lesion vessels, stop and to move ahead and be fixed in the stenotic lesion position, full then first sacculus, and the release support, can prevent that like this first foley's tube from excessively advancing, it is too many to enter front end, can prevent outstanding to the back-end too many again, unsettled dissociating of rear end can't be adherent, reaches pinpoint purpose, is suitable for the processing of opening part pathological changes, as left trunk pathological changes, dissection of aorta.
Its structure of this utility model is, comprise network, sacculus and fluid-through tube, network is installed on first sacculus, the rear end of first sacculus is provided with second sacculus, the wire leading pipe at center runs through first sacculus and second sacculus, is positioned on the tube wall at the first sacculus position to be embedded with the development point, and the inner chamber of the wire leading pipe at center is a guidewire lumen, its front end is the seal wire inlet, and the rear end is the seal wire outlet; The front end of first sacculus is connected with the wire leading pipe forward end seal at center, the rear end of first sacculus is connected with the first fluid-through tube front end, it between the wire leading pipe at first sacculus and first fluid-through tube and center first fluid-through chamber, first fluid-through chamber extends to the rear end body from the inside of first sacculus always, communicates with first interface; The front end of second sacculus links to each other with the forward end seal of first fluid-through tube, the rear end of second sacculus links to each other with the front end of second fluid-through tube, be second fluid-through chamber between second sacculus and second fluid-through tube and first fluid-through tube, second fluid-through chamber extends to the rear end body from the inside of second sacculus always and communicates with second interface.
This utility model is simple in structure, and is novel unique, is effective to the treatment of puncture shaping surgery to lesion vessels, and accurate positioning is safe in utilization, be specially adapted at bifurcated vessels opening expandable stent, and be the innovation on the thin vascular treatment equipment of bifurcated.
Four, description of drawings
Fig. 1 is the structural front view (quick exchange formula) of dual balloon catheter of the present utility model.
Fig. 2 is another example structure front view (coaxial-type) of this utility model.
Five, the specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is done detailed explanation.
By shown in Figure 1, this utility model comprises network, sacculus and fluid-through tube, network 1 is installed on first sacculus 2, the rear end of first sacculus 2 is provided with second sacculus 3, the wire leading pipe 4 at center runs through first sacculus and second sacculus, is positioned to be embedded with the point 5 that develops on the tube wall at the first sacculus position, and the inner chamber of the wire leading pipe at center is a guidewire lumen 6, its front end is a seal wire inlet 7, and the rear end is seal wire outlet 8; The front end of first sacculus is connected with the wire leading pipe forward end seal at center, the rear end of first sacculus is connected with first fluid-through tube, 9 front ends, it between the wire leading pipe 4 at first sacculus and first fluid-through tube 9 and center first fluid-through chamber 10, first fluid-through chamber 10 extends to the rear end body from the inside of first sacculus always, communicates with first interface 12; The front end of second sacculus links to each other with the forward end seal of first fluid-through tube 9, the rear end of second sacculus links to each other with the front end of second fluid-through tube 13, be second fluid-through chamber 14 between second sacculus and second fluid-through tube 13 and first fluid-through tube 9, second fluid-through chamber 14 extends to the rear end body always and communicates with second interface 15 from the inside of second sacculus, constitute seal wire quick exchange formula dual balloon catheter structure.
In order to guarantee result of use, connecting device 11, the first interfaces 12 are equipped with in said first fluid-through tube 9 and second fluid-through tube, 13 rear ends, second interface 15 places on the connecting device 11; Said development point 5 has two, is embedded respectively in the front-end and back-end of the first sacculus inner guide wire pipe, is used for the accurate location of operation process conduit;
Said first fluid-through tube 9, second fluid-through tube 13 and network all are to be made by existing medical material, as medical grade rubber or medical macromolecular materials, as block copolymer PEBAX, polyethylene or the polyamide etc. of polyethers and polyamide.
When this utility model uses, network pressed in advance be held on first sacculus, seal wire (not drawing among the figure) penetrates guidewire lumen 6 from the front end seal wire import 7 of the wire leading pipe 4 at center, and pass from seal wire outlet 8, the conduit system of this pair sacculus arrives the diseased region of blood vessel along seal wire, before network is about to put in place, thereby in second fluid-through chamber 14, inject contrast solution by second interface 15 and expand second sacculus, make its slightly larger in diameter in the lesion vessels opening, continuing to be fed forward foley's tube then puts in place fully, make first sacculus be fixed in stenotic lesion position owing to second sacculus stops to move ahead this moment, having avoided network to locate in the tube chamber of being everlasting often slidably reciprocates, in first fluid-through chamber 10, inject contrast solution by first interface 12 then, thereby full first sacculus also discharges network, pumpback first fluid-through chamber 10, contrast solution in second fluid-through chamber 14 is withdrawn from dual balloon catheter external.
Structure shown in Figure 2 is the same with structure shown in Figure 1 in essence, just on the exit position of seal wire, difference is arranged, and saved connecting device 11, the rear end of the wire leading pipe 4 at described center is seal wire outlet 8, seal wire directly passes wire leading pipe by wire leading pipe 4 front ends at center, seal wire outlet 8 by the wire leading pipe rear end passes, the blister cavities of first sacculus connects first fluid-through chamber 10, and communicate with first interface 12, second sacculus connects second fluid-through chamber 14, and communicate with second interface 15, constitute coaxial-type dual balloon catheter structure; In use, the same with embodiment shown in Figure 1, network pressed in advance be held on first sacculus, seal wire (not drawing among the figure) penetrates guidewire lumen 6 from the front end seal wire import 7 of the wire leading pipe 4 at center, and directly pass from the seal wire outlet 8 at the wire leading pipe rear portion of guidewire lumen, the conduit system of this pair sacculus arrives the diseased region of blood vessel along seal wire, before network is about to put in place, thereby in second fluid-through chamber 14, inject contrast solution by second interface 15 and expand second sacculus, make its slightly larger in diameter in the lesion vessels opening, continuing to be fed forward foley's tube then puts in place fully, make first sacculus be fixed in stenotic lesion position owing to second sacculus stops to move ahead this moment, having avoided network to locate in the tube chamber of being everlasting often slidably reciprocates, in first fluid-through chamber 10, inject contrast solution by first interface 12 then, thereby full first sacculus also discharges network, pumpback first fluid-through chamber 10, contrast solution in second fluid-through chamber 14 is withdrawn from dual balloon catheter external.
Described front-end and back-end are priorities of passing when using with seal wire and deciding, and when concrete operations, are to be front end with the end in this device intravasation, and stretching out an EV end is the rear end.
By above-mentioned situation as can be seen, this utility model is owing to increase by second sacculus in the first sacculus rear end, the second sacculus caliber is greater than lesion vessels, before network put in place, the full also rivet of low pressure discharged network then in openings in blood vessels in advance, can prevent that like this sacculus silk-guiding pipe from excessively advancing, it is too many to enter front end, can prevent from again to give prominence to the back-end too much, and unsettled dissociating of rear end can't be adherent, having avoided support to locate in the tube chamber of being everlasting often slidably reciprocates, reach pinpoint purpose, be suitable for the processing of opening part pathological changes, as left trunk pathological changes, dissection of aorta, the location accurately, and is safe in utilization, helps the treatment to lesion vessels greatly.
Claims (4)
1. the dual balloon catheter of a bifurcated vessels opening, comprise network, sacculus and fluid-through tube, it is characterized in that, network (1) is installed on first sacculus (2), and the rear end of first sacculus (2) is provided with second sacculus (3), and the wire leading pipe at center (4) runs through first sacculus and second sacculus, be positioned on the tube wall at the first sacculus position and be embedded with development point (5), the inner chamber of the wire leading pipe at center is guidewire lumen (6), and its front end is a seal wire inlet (7), and the rear end is seal wire outlet (8); The front end of first sacculus is connected with the wire leading pipe forward end seal at center, the rear end of first sacculus is connected with first fluid-through tube (9) front end, be first fluid-through chamber (10) between the wire leading pipe (4) at first sacculus and first fluid-through tube (9) and center, first fluid-through chamber (10) extends to the rear end body from the inside of first sacculus always, communicates with first interface (12); The front end of second sacculus links to each other with the forward end seal of first fluid-through tube (9), the rear end of second sacculus links to each other with the front end of second fluid-through tube (13), be second fluid-through chamber (14) between second sacculus and second fluid-through tube (13) and first fluid-through tube (9), second fluid-through chamber (14) extends to the rear end body always and communicates with second interface (15) from the inside of second sacculus, constitute seal wire quick exchange formula dual balloon catheter structure.
2. the dual balloon catheter of bifurcated vessels opening according to claim 1, it is characterized in that, connecting device (11) is equipped with in said first fluid-through tube (9) and second fluid-through tube (13) rear end, and first interface (12), second interface (15) place on the connecting device (11).
3. the dual balloon catheter of bifurcated vessels opening according to claim 1 is characterized in that, said development point (5) has two, is embedded the front-end and back-end at the first sacculus inner guide wire pipe respectively.
4. the dual balloon catheter of bifurcated vessels opening according to claim 1, it is characterized in that, the rear end of the wire leading pipe at said center (4) is seal wire outlet (8), seal wire directly passes wire leading pipe by wire leading pipe (4) front end at center, seal wire outlet (8) by the wire leading pipe rear end passes, the blister cavities of first sacculus connects first fluid-through chamber (10), and communicate with first interface (12), second sacculus connects second fluid-through chamber (14), and communicate with second interface (15), constitute coaxial-type dual balloon catheter structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200524174U CN202027752U (en) | 2011-03-02 | 2011-03-02 | Double-balloon catheter for bifurcate blood vessel opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200524174U CN202027752U (en) | 2011-03-02 | 2011-03-02 | Double-balloon catheter for bifurcate blood vessel opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202027752U true CN202027752U (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200524174U Expired - Fee Related CN202027752U (en) | 2011-03-02 | 2011-03-02 | Double-balloon catheter for bifurcate blood vessel opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202027752U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767811A (en) * | 2014-01-24 | 2014-05-07 | 中国人民解放军第三军医大学第二附属医院 | Accurate positioning support system |
| CN105726179A (en) * | 2016-05-16 | 2016-07-06 | 南京医科大学第一附属医院 | Te-type side branch double-balloon stent system for bifurcation lesion interventional therapy |
| CN105769401A (en) * | 2016-04-28 | 2016-07-20 | 南京医科大学第附属医院 | Special-shaped side branch balloon stent system for bifurcation lesion interventional therapy |
| CN105853035A (en) * | 2016-04-28 | 2016-08-17 | 南京医科大学第附属医院 | Special-type main and side branch saccule stent system for interventional therapy of bifurcation lesions |
| CN106420128A (en) * | 2016-11-25 | 2017-02-22 | 徐英恺 | Stent positioning system |
| WO2018019165A1 (en) * | 2016-07-29 | 2018-02-01 | 孙英贤 | Stent delivery system |
| CN110169844A (en) * | 2019-06-28 | 2019-08-27 | 北京大学第三医院（北京大学第三临床医学院） | A kind of positioning device for opening a window to overlay film frame |
| US10413346B2 (en) | 2015-08-24 | 2019-09-17 | Mayo Foundation For Medical Education And Research | Surgical cutting device |
-
2011
- 2011-03-02 CN CN2011200524174U patent/CN202027752U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103767811A (en) * | 2014-01-24 | 2014-05-07 | 中国人民解放军第三军医大学第二附属医院 | Accurate positioning support system |
| US10413346B2 (en) | 2015-08-24 | 2019-09-17 | Mayo Foundation For Medical Education And Research | Surgical cutting device |
| CN105769401A (en) * | 2016-04-28 | 2016-07-20 | 南京医科大学第附属医院 | Special-shaped side branch balloon stent system for bifurcation lesion interventional therapy |
| CN105853035A (en) * | 2016-04-28 | 2016-08-17 | 南京医科大学第附属医院 | Special-type main and side branch saccule stent system for interventional therapy of bifurcation lesions |
| CN105726179A (en) * | 2016-05-16 | 2016-07-06 | 南京医科大学第一附属医院 | Te-type side branch double-balloon stent system for bifurcation lesion interventional therapy |
| CN105726179B (en) * | 2016-05-16 | 2019-02-15 | 张健 | A kind of double saccule support systems of special type side branch for bifurcated lesions interventional therapy |
| WO2018019165A1 (en) * | 2016-07-29 | 2018-02-01 | 孙英贤 | Stent delivery system |
| CN106420128A (en) * | 2016-11-25 | 2017-02-22 | 徐英恺 | Stent positioning system |
| CN106420128B (en) * | 2016-11-25 | 2019-06-21 | 徐英恺 | A kind of bracket positioning system |
| CN110169844A (en) * | 2019-06-28 | 2019-08-27 | 北京大学第三医院（北京大学第三临床医学院） | A kind of positioning device for opening a window to overlay film frame |
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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: 20111109 Termination date: 20120302 |