CN104368077A

CN104368077A - Three-cavity balloon catheter

Info

Publication number: CN104368077A
Application number: CN201410649233.4A
Authority: CN
Inventors: 曹广信
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-14
Filing date: 2014-11-14
Publication date: 2015-02-25
Anticipated expiration: 2034-11-14
Also published as: CN104368077B

Abstract

The invention provides a three-cavity balloon catheter which is used for solving the problem that a balloon catheter in the prior art does not have the cutting function. The three-cavity balloon catheter comprises a catheter head, the near end of the catheter head is connected with a balloon and a three-cavity tube, the three-cavity tube is connected with a handle outlet, the far end of the balloon is conical, the boundaries of the two sides of the balloon are each provided with a developing material tag block, the near end of the balloon is connected with the outer layer of the three-cavity tube, cavity channels of the three-cavity tube include the first cavity channel through which a guide wire can penetrate, the second cavity channel where medicaments can be injected, and the third cavity channel with a blood vessel knife, a knife storage area is arranged at the far end of the third cavity channel, and the blood vessel knife is arranged in the knife storage area. The three-cavity balloon catheter can break through intima to enter a true lumen in the interventional operation process, endangium of a false lumen can be cut open or broken through according to requirements, a lesion section lumen is cut for passing, and therefore repeated withdrawing and repeated puncturing of the balloon catheter can be avoided.

Description

Three chamber foley's tubes

Technical field

The present invention relates to intervention area of medical devices, refer to a kind of three chamber foley's tubes especially.

Background technology

At present, foley's tube is used for intervene operation balloon expandable stricture of artery position, organizes blood supply to improve.Foley's tube, near-end steel pipe is made up of medical stainless steel pipe, and the end of coaxial dirty pipe, is made up of high density polyethylene (HDPE).When using inferior vena cava balloon dilation diseased region, first foley's tube is delivered to diseased region, then with high pressure resistant sacculus pressurization expansion, in art after femoral artery sheath pipe inserts, quiet note heparin sodium is prevention art medium vessels spasm, before sacculus is withdrawn from, inject nitroglycerin to Endovascular.

But, in interventional procedure, sometimes wire catheter disposablely can not enter true chamber, what enter is under inner membrance, needs to break through inner membrance and enters true chamber, need cut or break through false chamber tunica intima, or by the pathological changes of entirely shutting, need to cut through pathological changes section tube chamber, with avoid foley's tube repeat exit and enter, common foley's tube does not possess this kind of structure.

Therefore, a kind of foley's tube possessing cutting function in intervene operation is needed now badly.

Summary of the invention

The present invention proposes a kind of three chamber foley's tubes, solves foley's tube in prior art and does not possess the problem of cutting function.

Technical scheme of the present invention is achieved in that a kind of three chamber foley's tubes, comprise tube head, the near-end of described tube head is connected with sacculus and three lumens, described three lumens export with handle and are connected, the far-end of described sacculus is taper, the border, both sides of described sacculus is respectively provided with a developing material tag block, the near-end of described sacculus is connected with the skin of described three lumens, the tract of described three lumens is by first tract that can pass for seal wire, second tract that can inject for medicament and the 3rd tract composition with vessel knife, the far-end of described 3rd tract is provided with Cun Dao district, described vessel knife is arranged in described Cun Dao district.

As one preferred embodiment, the mid diameter in described Cun Dao district is less than the opening diameter in described Cun Dao district.

As one preferred embodiment, described vessel knife is provided with angioscope, and the surface of described vessel knife is provided with a developing material tag block.

As one preferred embodiment, the shoulder of described sacculus is provided with folding sheath.

As one preferred embodiment, the shape of described first tract is D shape.

As one preferred embodiment, the outer wall of described three lumens is coil type.

As one preferred embodiment, the far-end of described sacculus and the far-end of described three lumens are equipped with hydrophilic coating.

After have employed technique scheme, the invention has the beneficial effects as follows: with vessel knife, the blood vessel wall at adjacent lesion position can be cut as required in interventional procedure, with avoid foley's tube repeat exit and puncture.Vessel knife is arranged in Cun Dao district, the mid diameter in Cun Dao district is less than opening diameter, vessel knife can be made the used time does not rest in Cun Dao district, and release in use, vessel knife is provided with angioscope, expansion under angioscope direct-view, handled easily personnel can observe endovascular situation in operation, the surface of vessel knife is provided with a developing material tag block, can clear development under x-ray illumination, guarantee accurate location, safe ready.

Sacculus cross section is little, and catheter propelling is good, and can easily pass through pathological changes, head end easily manipulates flexibly, easily can pass through curved blood vessel.Three chamber designs can fill and emptying sacculus fast, the diameter that the folding sheath of sacculus shoulder can make sacculus keep less before expansion, easily pass through narrow section, enhance the compatibility of sacculus and fold into sheath ability, thus recover blood flow rapidly, optimize sacculus to fill and emptying time, reduce operation risk.The D shape tube chamber design of the first tract, while the good propelling movement of maintenance and seal wire tracing property, can guarantee sacculus fast evacuation, makes the enlargement and contraction of sacculus more freely.The coil type design of three lumen outer walls, effectively for peripheral arterial, can enhance motility and fold resistance, more easily pass through the crooked position of peripheral arterial, can guarantee seal wire position stability when withdrawing.Sacculus and three lumen far-ends are covered with hydrophilic coating, are aided with level and smooth head end transitional technology, can improve the ability of passing through pathological changes, reduce operation resistance.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of embodiment of the present invention three chamber foley's tube;

Fig. 2 is the cross-sectional structure schematic diagram of three lumens;

Fig. 3 is the structural representation of vessel knife;

Fig. 4 is the structural representation of sacculus shoulder;

Fig. 5 is the structural representation of three lumen outer walls;

Fig. 6 is the close-up schematic view at K place in Fig. 1.

In figure, 1-tube head; 2-sacculus; 3-tri-lumen; 4-handle exports; 5-developing material tag block; 6-first tract; 7-second tract; 8-the 3rd tract; 9-vessel knife; 10-Cun Dao district; 11-angioscope; 12-folds sheath; 13-hydrophilic coating.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

As shown in Figures 1 to 6, a kind of three chamber foley's tubes, comprise tube head 1, the near-end of tube head 1 is connected with sacculus 2 and three lumens 3, three lumens 3 and handle export 4 and are connected, the far-end of sacculus 2 is taper, the border, both sides of sacculus 2 is respectively provided with a developing material tag block 5, the near-end of sacculus 2 is connected with the skin of three lumens 3, the tract of three lumens 3 is by first tract 6 that can pass for seal wire, second tract 7 that can inject for medicament and form with the 3rd tract 8 of vessel knife 9, the far-end of the 3rd tract 8 is provided with Cun Dao district 10, and vessel knife 9 is arranged in Cun Dao district 10.

The mid diameter in Cun Dao district 10 is less than the opening diameter in Cun Dao district 10.

Vessel knife 9 is provided with angioscope 11, and the surface of vessel knife 9 is provided with a developing material tag block 5.

The shoulder of sacculus 2 is provided with folding sheath 12.

The shape of the first tract 6 is D shape.

The outer wall of three lumens 3 is coil type.

The far-end of sacculus 2 and the far-end of three lumens 3 are equipped with hydrophilic coating 13.

This three chambeies foley's tube, with vessel knife 9, can be broken through inner membrance and enter true chamber in interventional procedure, cuts as required or breaks through false chamber tunica intima, or the pathological changes by entirely shutting, with avoid foley's tube repeat exit and puncture.Vessel knife 9 is arranged in Cun Dao district 10, the mid diameter in Cun Dao district 10 is less than opening diameter, vessel knife 9 can be made the used time does not rest in Cun Dao district 10, and release in use, vessel knife 9 is provided with angioscope 11, expansion under angioscope 11 is looked at straight, handled easily personnel can observe endovascular situation in operation, the surface of vessel knife 9 is provided with a developing material tag block 5, can clear development under x-ray illumination, guarantee accurate location, safe ready.

Sacculus 2 cross section is little, and catheter propelling is good, and can easily pass through pathological changes, head end easily manipulates flexibly, easily can pass through curved blood vessel.Three chamber designs can fill and emptying sacculus 2 fast, the diameter that the folding sheath 12 of sacculus 2 shoulder can make sacculus 2 keep less before expansion, easily pass through narrow section, enhance the compatibility of sacculus 2 and fold into sheath ability, thus recover blood flow rapidly, optimize sacculus 2 to fill and emptying time, reduce operation risk.The D shape tube chamber design of the first tract 6, while the good propelling movement of maintenance and seal wire tracing property, can guarantee sacculus 2 fast evacuation, makes the enlargement and contraction of sacculus 2 more freely.The coil type design of three lumen 3 outer walls, effectively for peripheral arterial, can enhance motility and fold resistance, more easily pass through the crooked position of peripheral arterial, can guarantee seal wire position stability when withdrawing.Sacculus 2 and three lumen 3 far-ends are covered with hydrophilic coating 13, are aided with level and smooth head end transitional technology, can improve the ability of passing through pathological changes, reduce operation resistance.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. a chamber foley's tube, it is characterized in that, comprise: tube head, the near-end of described tube head is connected with sacculus and three lumens, described three lumens export with handle and are connected, the far-end of described sacculus is taper, the border, both sides of described sacculus is respectively provided with a developing material tag block, the near-end of described sacculus is connected with the skin of described three lumens, the tract of described three lumens is by first tract that can pass for seal wire, second tract that can inject for medicament and the 3rd tract composition with vessel knife, the far-end of described 3rd tract is provided with Cun Dao district, described vessel knife is arranged in described Cun Dao district.

2. three chamber foley's tubes as claimed in claim 1, is characterized in that: the mid diameter in described Cun Dao district is less than the opening diameter in described Cun Dao district.

3. three chamber foley's tubes as claimed in claim 1, is characterized in that: described vessel knife is provided with angioscope, and the surface of described vessel knife is provided with a developing material tag block.

4. three chamber foley's tubes as claimed in claim 1, is characterized in that: the shoulder of described sacculus is provided with folding sheath.

5. three chamber foley's tubes as claimed in claim 1, is characterized in that: the shape of described first tract is D shape.

6. three chamber foley's tubes as claimed in claim 1, is characterized in that: the outer wall of described three lumens is coil type.

7. three chamber foley's tubes as claimed in claim 1, is characterized in that: the far-end of described sacculus and the far-end of described three lumens are equipped with hydrophilic coating.