CN201182828Y - Balloon dilating catheter for expanding lumen - Google Patents
Balloon dilating catheter for expanding lumen Download PDFInfo
- Publication number
- CN201182828Y CN201182828Y CNU2008200800825U CN200820080082U CN201182828Y CN 201182828 Y CN201182828 Y CN 201182828Y CN U2008200800825 U CNU2008200800825 U CN U2008200800825U CN 200820080082 U CN200820080082 U CN 200820080082U CN 201182828 Y CN201182828 Y CN 201182828Y
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- Prior art keywords
- sacculus
- chamber
- dilating catheter
- catheter
- expand tube
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Abstract
The utility model relates to a balloon dilatation catheter used for expanding a lumen, which comprises a two-way connector, a double-cavity rod and a balloon which are connected in sequence, an inner pipe is penetrated into the balloon, the balloon is communicated with one cavity in the double-cavity rod to form a pressure chamber, the pressure chamber is led to one end of the two-way connector, one end of the inner pipe is communicated with the other cavity of the double-cavity rod to form a guide wire cavity, the guide wire cavity is led to the other end of the two-way connector, the other end of the inner pipe passes through the end of the balloon and is connected to the top of the catheter, and the top adopts an arc cone shape. The passing ability of the catheter is enhanced by the balloon dilatation catheter, the injury to the human body lumen in the operation process is reduced, simultaneously, the trackability and the push property of the catheter are enhanced, the human body lumen can be ensure to be not injured when the catheter moving in the lumen, and the catheter can be ensured to smoothly pass through more than 98 percent of narrow regions.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to a kind of sacculus dilating catheter that is used to expand tube chamber.
Background technology
Interventional medicine is used existing 30 years history clinically, no matter in cardiovascular, cerebrovascular, peripheral vessels, tumor, or all is an important treatment means in the non-blood vessel field, is described as and one of internal medicine, surgery three big diagnosis and treatment technology arranged side by side.It is under medical imageology (X line, ultrasonic, CT) guiding, by the percutaneous puncture approach or by the original duct of human body, special conduit or apparatus are inserted into diseased region carry out radiography, diagnosis and treatment, developed recently is to tumor resection, and the operation of complexity such as organ transplantation also adopts Wicresoft to hinder interventional therapy.
At present the most extensive use heart intervention treating, neural interventional therapy, cerebrovascular interventional therapy, tumor, the interventional therapy of peripheral vessels and non-vessel lumen arranged.It mainly is by the original tube chamber of human body sacculus dilating catheter to be inserted into the pathological changes stenosis, and under the guiding and prosecution of medical imaging device, sacculus is expanded expansion, make the narrow positions expansion, recover the original function of body lumen, unimpeded as blood vessel, urinary catheter, biliary tract, lachrymal gland, fallopian tube, trachea, esophagus etc.
And the sacculus dilating catheter that uses is at present limit owing to structure and material, the propelling movement of conduit is not good, pass the pathological changes ability, overall dimensions is big, has caused a lot of inconvenience to operation process, especially when passing through serious narrow zone, the trafficability characteristic of conduit is excellent to be important, state of an illness variation, in the time of complicated, every performance of conduit seems poorer.
The utility model content
The purpose of this utility model is to overcome the defective of existing sacculus dilating catheter; a kind of improved sacculus dilating catheter that is used to expand body lumen is provided; increase the trafficability characteristic of conduit; and reduce in operation process damage to body lumen; improve the tracing property of conduit and propelling movement property simultaneously, damage and the crimping of armour tubing before operation is used.
For achieving the above object, the present invention adopts following technical scheme:
A kind of sacculus dilating catheter that is used to expand tube chamber, this sacculus dilating catheter comprises: the two logical adapters, two-chamber bar, the sacculus that connect successively, there is interior pipe to pass in the described sacculus, described sacculus is communicated with a chamber in the described two-chamber bar and forms pressure chamber, described pressure chamber leads to an end of described two logical adapters, an end of pipe is communicated with the formation guidewire lumen in described with another chamber of described two-chamber bar, described guidewire lumen is led to the other end of two logical adapters, the other end of described interior pipe passes the terminal of sacculus and is connected to the tip of conduit, and described tip is the circular arc cone shape.
Wherein, described two logical adapters are the base that has two female Luer, described two female Luer are communicated with guidewire lumen and pressure chamber respectively, make described guidewire lumen lead to the tip, be used for operation process by seal wire or detect intraluminal pressure, make described pressure chamber lead to sacculus, be used to apply inflation pressure.
Wherein, described sacculus dilating catheter also comprises sacculus protective sleeve and sacculus protection silk, and described sacculus protective sleeve is enclosed within on the sacculus, and described sacculus protection silk inserts guidewire lumen by catheter tip.
Wherein, be with the diffusion-induced stress pipe on the two-chamber bar outer wall near two logical adapters.
Wherein, the length at described tip is 0.5mm～10mm.
Wherein, described tip is made by nylon material, and itself and interior pipe are heat bonding, and described sacculus is made by nylon material, and itself and two-chamber bar are heat bonding.
Wherein, described two-chamber bar is made by nylon material.
Wherein, be fixed with two development labellings at interior pipe two ends, described development labelling is to be made by platinum.
Wherein, described base is to be made by macromolecular material, and it is gluing the connection with the two-chamber bar.
Wherein, described sacculus protective sleeve is made by macromolecular material, and described sacculus protection silk is to be made by stainless steel material.
Therefore this utility model can increase the trafficability characteristic of conduit owing to be provided with a circular arc cone shape tip at the tip of foley's tube, and reduces in operation process the damage of body lumen is improved the tracing property of conduit and propelling movement property simultaneously.It can guarantee that conduit does not damage body lumen when mobile in tube chamber, makes conduit can pass narrow zone more than 98% smoothly.
Description of drawings
Fig. 1 is used to expand the structural representation of the sacculus dilating catheter of tube chamber for this utility model;
Fig. 2 is the partial enlarged drawing of I among Fig. 1;
Among the figure: 1, tip; 2, development labelling; 3, sacculus; 4, interior pipe; 5, two-chamber bar; 6, sacculus protective sleeve; 7, sacculus protection silk; 8, base; 9, guidewire lumen; 10, pressure chamber; 11, diffusion-induced stress pipe.
The specific embodiment
The sacculus dilating catheter that is used to expand tube chamber that the utility model proposes is described as follows in conjunction with the accompanying drawings and embodiments.
Shown in Figure 1, be used to expand the structural representation of the sacculus dilating catheter of tube chamber for this utility model is a kind of, this sacculus dilating catheter comprises: the two logical adapters that connect successively, the two-chamber bar, sacculus, two logical adapters are the base 8 that has two female Luer in the present embodiment, wherein, pipe 4 and pass the far-end of sacculus 3 in sacculus 3, having, the far-end of interior pipe 4 passes sacculus 3 far-ends and is connected to the tip 1 of conduit, most advanced and sophisticated 1 is the circular arc cone shape, in pipe 4 near-end be communicated with a chamber in the two-chamber bar 5 and form a guidewire lumen 9 of leading to tip 1, this guidewire lumen 9 is led to a wherein end of base 8, the near-end of sacculus 3 is connected with another chamber of two-chamber bar 5, form sacculus 3 expansible pressure chambers 10, the other end that this pressure chamber 10 is communicated with to base 8, two female Luer of base 8 are communicated with guidewire lumen 9 and pressure chamber 10 respectively, make described guidewire lumen 9 lead to most advanced and sophisticated 1, be used for detecting intraluminal pressure or be used for operation process and pass through seal wire, make described pressure chamber 10 lead to sacculus 3, be used to apply inflation pressure.
The each several part of conduit is and is tightly connected in the present embodiment.So-called far away, near-end is to be reference with the base that has two female Luer 8 that is used to operate, near base 8 be near-end, a relative end far away is a far-end.
Be fixed with two development labellings 2 at interior pipe 4 two ends in the present embodiment, development labelling 2 is made by platinum.
Be with diffusion-induced stress pipe 11 near on two-chamber bar 5 outer walls of base 8 in the present embodiment.
Sacculus dilating catheter in the present embodiment also comprises sacculus protective sleeve 6 and sacculus protection silk 7; sacculus protective sleeve 6 is made for macromolecular material; sacculus protective sleeve 6 is enclosed within on the sacculus 3, makes sacculus avoid being subjected to damage before operation is used, and guarantees that sacculus does not break when high compression swelling.Sacculus protection silk 7 is made for stainless steel material, and described sacculus protection silk 7 inserts guidewire lumen 9 by catheter tip 1, makes sacculus avoid being subjected to the external force crimping before operation is used.
Present embodiment can increase the passing through property of conduit at the tip that presents the circular arc cone shape 1 of sacculus dilating catheter far-end, reduces the damage that conduit causes body lumen in operation process, makes conduit can pass through the diseased region and the tortuous position of tube chamber smoothly.This tip 1 is to make with nylon material, with interior pipe 4 be heat bonding; Its length is generally the 0.5-10 millimeter, is the best with 2～5 millimeters.Sacculus 3 is to make with nylon material, Pebax (nylon a kind of) or polrvinyl chloride (PVC) material, and its near-end is connected with 5 heat seals of two-chamber bar, and is better for making sealing effectiveness, far-end and interior pipe 4 heat bondings.With the sacculus that nylon, Pebax or PVC make, through certain PROCESS FOR TREATMENT, the folding memory performance of sacculus is good, after shrinking through repeatedly expanding, still can keep original folding dress lobe number, so it has good memory performance.
The interior pipe 4 of sacculus dilating catheter is made for nylon material in the present embodiment, and when making conduit have good propelling movement performance, its tracing property and support performance also have good balance.When the high compression swelling of conduit, interior pipe 4 can well keep its shape, avoids the sacculus gross distortion.Two-chamber bar 5 is made for nylon material, in the time of the profile that conduit had try one's best little, good propelling movement performance, tracing property and supportive is arranged also.When the high compression swelling of conduit, two-chamber bar 5 can well keep its shape, avoids the conduit gross distortion.The each several part of conduit can have good heat bonding performance simultaneously.Utilize sacculus dilating catheter of the present invention, can use with tremulous pulse, the vein of human body and expand at interior body lumen.
Above embodiment only is used to illustrate this utility model; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (10)
1, a kind of sacculus dilating catheter that is used to expand tube chamber, it is characterized in that, this sacculus dilating catheter comprises: the two logical adapters that connect successively, the two-chamber bar, sacculus, there is interior pipe to pass in the described sacculus, described sacculus is communicated with a chamber in the described two-chamber bar and forms pressure chamber, described pressure chamber leads to an end of described two logical adapters, an end of pipe is communicated with the formation guidewire lumen in described with another chamber of described two-chamber bar, described guidewire lumen is led to the other end of two logical adapters, the other end of described interior pipe passes the terminal of sacculus and is connected to the tip of conduit, and described tip is the circular arc cone shape.
2, the sacculus dilating catheter that is used to expand tube chamber as claimed in claim 1, it is characterized in that, described two logical adapters are the base that has two female Luer, described two female Luer are communicated with guidewire lumen and pressure chamber respectively, make described guidewire lumen lead to the tip, be used for operation process by seal wire or detect intraluminal pressure, make described pressure chamber lead to sacculus, be used to apply inflation pressure.
3, the sacculus dilating catheter that is used to expand tube chamber as claimed in claim 1; it is characterized in that; described sacculus dilating catheter also comprises sacculus protective sleeve and sacculus protection silk, and described sacculus protective sleeve is enclosed within on the sacculus, and described sacculus protection silk inserts guidewire lumen by catheter tip.
4, the sacculus dilating catheter that is used to expand tube chamber as claimed in claim 1 is characterized in that, is with the diffusion-induced stress pipe on the two-chamber bar outer wall near two logical adapters.
5, the sacculus dilating catheter that is used to expand tube chamber as claimed in claim 1 is characterized in that, the length at described tip is 0.5mm～10mm.
6, the sacculus dilating catheter that is used to expand tube chamber as claimed in claim 1 is characterized in that, described tip is made by nylon material, and itself and interior pipe are heat bonding, and described sacculus is made by nylon material, and itself and two-chamber bar are heat bonding.
7, the sacculus dilating catheter that is used to expand tube chamber as claimed in claim 1 is characterized in that, described two-chamber bar is made by nylon material.
8, the sacculus dilating catheter that is used to expand tube chamber as claimed in claim 1 is characterized in that, is fixed with two development labellings at interior pipe two ends, and described development labelling is to be made by platinum.
9, the sacculus dilating catheter that is used to expand tube chamber as claimed in claim 2 is characterized in that, described base is to be made by macromolecular material, and it is gluing the connection with the two-chamber bar.
10, the sacculus dilating catheter that is used to expand tube chamber as claimed in claim 3 is characterized in that, described sacculus protective sleeve is made by macromolecular material, and described sacculus protection silk is to be made by stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200800825U CN201182828Y (en) | 2008-04-21 | 2008-04-21 | Balloon dilating catheter for expanding lumen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200800825U CN201182828Y (en) | 2008-04-21 | 2008-04-21 | Balloon dilating catheter for expanding lumen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201182828Y true CN201182828Y (en) | 2009-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200800825U Expired - Lifetime CN201182828Y (en) | 2008-04-21 | 2008-04-21 | Balloon dilating catheter for expanding lumen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201182828Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104189989A (en) * | 2014-09-19 | 2014-12-10 | 广州启骏生物科技有限公司 | Bleeding stop balloon catheter and production method thereof |
| CN104841062A (en) * | 2015-05-22 | 2015-08-19 | 黄健 | Ureter built-in balloon dilating catheter |
| CN105363115A (en) * | 2014-08-25 | 2016-03-02 | 天津市威曼生物材料有限公司 | Balloon dilatation catheter |
| CN107596539A (en) * | 2017-10-17 | 2018-01-19 | 上海英诺伟医疗器械有限公司 | A kind of expansion of balloon catheter |
| WO2019075634A1 (en) * | 2017-10-17 | 2019-04-25 | 上海英诺伟医疗器械有限公司 | Dilatable balloon catheter |
| CN112439121A (en) * | 2019-08-27 | 2021-03-05 | 乐普（北京）医疗器械股份有限公司 | Non-compliance PTA sacculus expansion pipe |
-
2008
- 2008-04-21 CN CNU2008200800825U patent/CN201182828Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105363115A (en) * | 2014-08-25 | 2016-03-02 | 天津市威曼生物材料有限公司 | Balloon dilatation catheter |
| CN104189989A (en) * | 2014-09-19 | 2014-12-10 | 广州启骏生物科技有限公司 | Bleeding stop balloon catheter and production method thereof |
| CN104841062A (en) * | 2015-05-22 | 2015-08-19 | 黄健 | Ureter built-in balloon dilating catheter |
| CN107596539A (en) * | 2017-10-17 | 2018-01-19 | 上海英诺伟医疗器械有限公司 | A kind of expansion of balloon catheter |
| WO2019075634A1 (en) * | 2017-10-17 | 2019-04-25 | 上海英诺伟医疗器械有限公司 | Dilatable balloon catheter |
| US11504510B2 (en) | 2017-10-17 | 2022-11-22 | Innovex Medical Co., Ltd. | Dilatable balloon catheter |
| CN112439121A (en) * | 2019-08-27 | 2021-03-05 | 乐普（北京）医疗器械股份有限公司 | Non-compliance PTA sacculus expansion pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090121 |
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| CX01 | Expiry of patent term |