CN209490364U - A kind of balloon-expandable guiding elongate catheter - Google Patents
A kind of balloon-expandable guiding elongate catheter Download PDFInfo
- Publication number
- CN209490364U CN209490364U CN201821684499.2U CN201821684499U CN209490364U CN 209490364 U CN209490364 U CN 209490364U CN 201821684499 U CN201821684499 U CN 201821684499U CN 209490364 U CN209490364 U CN 209490364U
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- China
- Prior art keywords
- guiding
- catheter
- elongate catheter
- hypotube
- sacculus
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- 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
- A61M25/1002—Balloon catheters characterised by balloon shape
-
- 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
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0662—Guide tubes
-
- 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
- A61M2025/1072—Balloon catheters with special features or adapted for special applications having balloons with two or more compartments
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Child & Adolescent Psychology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The utility model discloses a kind of balloon-expandables to guide elongate catheter, it include: guiding catheter and hypotube, the guiding catheter is from closely to being far followed successively by embedded polymer wrapped end, proximal marker band, braided steel wire section, distal marker band and noninvasive head end, the noninvasive head end is being provided with sacculus, it is connected with contrast solution drainage tube with the sacculus, the hypotube is plugged in guiding catheter.This practical balloon-expandable guiding elongate catheter can protrude into coronary artery from guiding catheter distal end in PCI operation, have good outer surface transporting, successfully pass complex lesions.
Description
Technical field
The utility model relates to medical catheter, especially a kind of guiding extension for performing the operation through leather hose arterial intervention is led
Pipe.
Background technique
Percutantnoeus coronary intervention (PCI) operation, also referred to as cardiac stent are performed the operation, and are made by puncture vessel
Conduit moves ahead in the blood vessel, reaches at coronary ostium, and bracket is transported to the portion for needing to place with special conveyer system
Then position places, withdraws from conduit and terminate to perform the operation.The operation has many advantages, such as that short treating period, wound are small, significant in efficacy, sends out in recent years
Exhibition is rapid.
The general operation step of PCI operation is: 1. send guiding catheter to coronary artery mouth；2. being sent along guiding catheter and guiding seal wire extremely
Coronary artery stenosis distal end；3. sending predilation sacculus to lesion to be expanded along seal wire, narrow positions is expanded；4. along seal wire
Bracket is discharged to the pressurization of bracket sacculus after sending bracket to diseased region positioning；5. sending high pressure in rear dilating sacculus to bracket along seal wire
Expandable stent after power, radiography, which is shown in after stent-expansion is satisfied, withdraws from seal wire and conduit.
Predilation sacculus, bracket even seal wire are by lesion difficulty when frequently encountering complex lesions in PCI operation, at present
There are many schemes solved, and the utility model proposes a kind of novel guiding elongate catheter, come solve to encounter in PCI operation
Problem.
Utility model content
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide one kind can in PCI operation
Sacculus coronarius, there is good outer surface transporting, successfully pass complex lesions is protruded into from guiding catheter distal end
Expanding guides elongate catheter.
To achieve the above object, the technical solution of the utility model is as follows:
A kind of balloon-expandable guiding elongate catheter, comprising: guiding catheter and hypotube, the guiding catheter is from closely to remote
It is followed successively by embedded polymer wrapped end, proximal marker band, braided steel wire section, distal marker band and noninvasive head end, close to institute
It states noninvasive head end and is provided with sacculus, be connected with contrast solution drainage tube with the sacculus, the hypotube is plugged in guiding catheter.
Further, the sacculus includes internal layer supporting walls, outer layer expansion wall and intermediate filling liquid chamber.
Further, the intermediate filling liquid is intracavitary is provided with several points for being orientated along warp direction, surrounding distribution along weft
Intermediate filling liquid chamber is separated into several filling liquid units by next door.
Further, each filling liquid unit is respectively connected with contrast solution drainage tube.
Further, described partition wall setting 3-4.
Further, hydrophilic coating is coated on the outside of the tube wall of the guiding catheter.
Further, the sacculus is arranged between the braided steel wire section and the distal marker band, alternatively, being arranged in institute
It states between distal marker band and the noninvasive head end.
Further, the hypotube is stainless steel hypotube, and the length is 120cm.
Further, the hypotube has surgical instrument.
Further, the internal diameter of the guiding catheter is 1.45mm, and outer diameter 1.68mm, the length is 25cm.
The balloon-expandable guiding elongate catheter of the utility model has the advantage that: hypotube improves pushability；Guiding is led
The embedded polymer wrapped end of braided steel wire section and proximal end provides bigger support to successfully pass lesion on pipe, distal end
Noninvasive head end avoids damage during push to vascular wall using flexible material, and distal marker band and proximal marker band are convenient for
Judge the extension elongation of guiding catheter, sacculus makes guiding catheter be capable of fixing designated position in the blood vessel, is convenient for subsequent branch
The feeding of frame.
Hydrophilic coating can be realized the smooth transportation of guiding catheter, reduce friction.
Partition wall makes sacculus form the filling liquid unit for capableing of independent control degrees of expansion in the circumferential, convenient in complicated disease
Become the alignment of region adjustment guiding catheter and blood vessel.
The surgical instrument compatible with hypotube includes: dilatation balloon, bracket, turnery head, intravascular ultrasound and Cutting balloon
Deng.
Detailed description of the invention
Fig. 1 is that the balloon-expandable of the utility model guides the structural schematic diagram of elongate catheter；
Fig. 2 is the sectional schematic diagram after balloon inflation；
Fig. 3 is the sectional schematic diagram of another angle after balloon inflation；
Wherein: 1 guiding catheter, 2 hypotube
11 13 braided steel wire section of embedded 12 proximal marker band of polymer wrapped end, 14 sacculus, 15 distal marker band 16
Noninvasive head end
141 outer layer expansion wall, 142 internal layer supporting walls, 143 filling liquid unit, 144 partition wall
Specific embodiment
The principles of the present invention and feature are made a more thorough explanation below in conjunction with attached drawing and example.This is practical
It is novel to be presented as a variety of different forms, it should not be construed as limited to the exemplary embodiments described herein.
The spatially relative terms such as "upper", "lower", "left", "right" can be used herein for ease of explanation, be used for
Relationship of the elements or features relative to another elements or features shown in explanatory diagram.It should be understood that in addition to figure
Shown in except orientation, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure
Device be squeezed, the element for being stated as being located at other elements or feature "lower" will be located into other elements or feature "upper".
Therefore, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or position
In other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.
The specific embodiment for guiding elongate catheter for the balloon-expandable of the utility model as shown in Figure 1, Figure 2 and Figure 3,
It mainly include two parts: guiding catheter 1 and hypotube 2 in the present embodiment, hypotube 2 is stainless steel hypotube, the length is
The internal diameter of 120cm, guiding catheter 2 are 1.45mm, outer diameter 1.68mm, and the length is 25cm, hypotube 2 is plugged on guiding catheter
In 1.Hypotube 2 has surgical instrument, and the surgical instrument compatible with hypotube 2 includes: dilatation balloon, bracket, turnery head, blood vessel
Interior ultrasound and Cutting balloon etc..
Guiding catheter 1 is from closely to far successively are as follows: embedded polymer wrapped end 11, proximal marker band 12, braided steel wire section
13, the tube wall outside of sacculus 14, distal marker band 15 and noninvasive head end 16, guiding catheter 1 is coated with hydrophilic coating；Certain sacculus
14 can also be arranged between remote table extreme 15 and noninvasive head end 16.Sacculus 14 is connected with contrast solution drainage tube and (does not show in figure
Out).
Sacculus 14 includes: internal layer supporting walls 142, outer layer expansion wall 141 and intermediate filling liquid chamber；Intermediate filling liquid is intracavitary to be provided with
Several are orientated along warp direction, surround the partition wall 144 being distributed along weft, if intermediate filling liquid chamber is separated by partition wall 144
Dry filling liquid unit 143.It is specifically provided with three partition walls 144 in the present embodiment, intermediate filling liquid chamber is separated into three filling liquids
Unit 143, the quantity of partition wall 144 are preferably 3 or 4.It is respectively connected with contrast solution drainage tube on each filling liquid unit 143, is made
The degrees of expansion for obtaining each filling liquid unit 143 being capable of independent control.
The foregoing describe several preferred embodiments of the application, but the application is without being limited thereto, all ordinary skills
For personnel in the case where not departing from spirit herein, any improvement and/or deformation made belong to the protection scope of the application.
Claims (10)
1. a kind of balloon-expandable guides elongate catheter characterized by comprising guiding catheter and hypotube, it is described to lead
Pipe is from closely to being far followed successively by embedded polymer wrapped end, proximal marker band, braided steel wire section, distal marker band and noninvasive head
End is being provided with sacculus close to the noninvasive head end, is being connected with contrast solution drainage tube with the sacculus, the hypotube is plugged on
In guiding catheter.
2. guiding elongate catheter as described in claim 1, which is characterized in that the sacculus includes that internal layer supporting walls, outer layer are swollen
Swollen wall and intermediate filling liquid chamber.
3. guiding elongate catheter as claimed in claim 2, which is characterized in that the intermediate filling liquid is intracavitary to be provided with several edges
Warp direction orientation, the partition wall that distribution is surround along weft, are separated into several filling liquid units for intermediate filling liquid chamber.
4. guiding elongate catheter as claimed in claim 3, which is characterized in that each filling liquid unit is respectively connected with contrast solution
Drainage tube.
5. guiding elongate catheter as claimed in claim 3, which is characterized in that described partition wall setting 3-4.
6. guiding elongate catheter as described in claim 1, which is characterized in that be coated with parent on the outside of the tube wall of the guiding catheter
Water coating.
7. guiding elongate catheter as described in claim 1, which is characterized in that sacculus setting the braided steel wire section with
Between the distal marker band, alternatively, being arranged between the distal marker band and the noninvasive head end.
8. guiding elongate catheter as described in claim 1, which is characterized in that the hypotube is stainless steel hypotube, length
Degree is 120cm.
9. guiding elongate catheter as described in claim 1, which is characterized in that the hypotube has surgical instrument.
10. guiding elongate catheter as described in claim 1, which is characterized in that the internal diameter of the guiding catheter is 1.45mm, outside
Diameter is 1.68mm, and the length is 25cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684499.2U CN209490364U (en) | 2018-10-17 | 2018-10-17 | A kind of balloon-expandable guiding elongate catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684499.2U CN209490364U (en) | 2018-10-17 | 2018-10-17 | A kind of balloon-expandable guiding elongate catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209490364U true CN209490364U (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821684499.2U Active CN209490364U (en) | 2018-10-17 | 2018-10-17 | A kind of balloon-expandable guiding elongate catheter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181506A (en) * | 2021-04-23 | 2021-07-30 | 谱高医疗科技(南京)有限公司 | Micro catheter with weaving and spring winding composite structure |
| CN113768675A (en) * | 2021-07-26 | 2021-12-10 | 连云港市第一人民医院 | Extension catheter for coronary artery stent implantation operation |
| WO2023103541A1 (en) * | 2021-12-10 | 2023-06-15 | 深圳北芯生命科技股份有限公司 | Extended guide catheter |
-
2018
- 2018-10-17 CN CN201821684499.2U patent/CN209490364U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113181506A (en) * | 2021-04-23 | 2021-07-30 | 谱高医疗科技(南京)有限公司 | Micro catheter with weaving and spring winding composite structure |
| CN113768675A (en) * | 2021-07-26 | 2021-12-10 | 连云港市第一人民医院 | Extension catheter for coronary artery stent implantation operation |
| WO2023103541A1 (en) * | 2021-12-10 | 2023-06-15 | 深圳北芯生命科技股份有限公司 | Extended guide catheter |
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