CN2568216Y - Novel intervenient catheter - Google Patents
Novel intervenient catheter Download PDFInfo
- Publication number
- CN2568216Y CN2568216Y CN 02254061 CN02254061U CN2568216Y CN 2568216 Y CN2568216 Y CN 2568216Y CN 02254061 CN02254061 CN 02254061 CN 02254061 U CN02254061 U CN 02254061U CN 2568216 Y CN2568216 Y CN 2568216Y
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- CN
- China
- Prior art keywords
- catheter
- handle
- conduit
- sealing ring
- utility
- 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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- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a novel intervenient catheter. The utility model comprises a catheter body, a catheter handle and a narrow sealing ring. The utility model is characterized in that one branch catheter handle is arranged on the back section of the catheter body or on the catheter handle; a catheter cavity of the branch catheter handle is communicated with a catheter cavity of the catheter body or the catheter handle; the communicating point is positioned at the front part of the narrow sealing ring; a hemostatic valve is arranged on a channel of the catheter cavity of the branch catheter handle. When the intervention intubation operation is carried out, a guide wire does not need to be taken out from the catheter, and contrast agents are injected inside blood vessels to observe the condition that the catheter enters the blood vessels. The good continuity can be maintained in the whole intubation process, and consequently, the intubation operation becomes simple and practical.
Description
Technical field:
This utility model belongs to medical science interventional therapeutic technique field.
Background technology:
Interventional therapy is emerging medical field, and interposing catheter is the apparatus that is mainly used in the blood vessel intervention diagnosis and therapy.When carrying out the blood vessel intervention diagnosis and therapy, at first carry out the Seldinger vascular puncture, then conduit is inserted in the blood vessel, again seal wire is inserted into the conduit from the catheter tip opening as required, through the operation that cooperatively interacts of conduit and seal wire, conduit is inserted to checks in the target vessel that will enter and treat.Present guide-tube structure is made of catheter body, conduit handle, is provided with a narrow sealing ring at the end of conduit cavity, and the internal diameter of narrow sealing ring is less than the lumen diameter at other positions of conduit, and slightly greater than the external diameter of seal wire.The effect of narrow sealing ring is to stop blood to flow out after seal wire inserts conduit.When getting involved intubate after conduit is inserted into a certain vessel segment, if whether the degree of depth of observation conduit intravasation is suitable, in the time of will confirming maybe whether conduit enters predetermined target vessel, just seal wire need be extracted out from conduit, and then be connected in conduit handle end openings portion with syringe, in blood vessel, inject contrast agent through conduit again and observe.Like this, not only time-consuming, and conduit is also deviate from from the vessel branch that has inserted easily after seal wire is extracted out, the syringe that connected of conduit handle end is operated and can be affected for conduit in addition, uses very inconvenient.
Summary of the invention:
The purpose of this utility model provides a kind of easy and simple to handle, does not need to extract seal wire out can inject liquid such as contrast agent and heparin saline in blood vessel interposing catheter from conduit.
To achieve these goals, this utility model comprises: catheter body, conduit handle, narrow sealing ring, on catheter body back segment or conduit handle, be provided with a branched pipe handle, the tube chamber of branched pipe handle is connected with the tube chamber of catheter body or conduit handle, connectivity points is positioned at the front portion of narrow sealing ring, is provided with a haemostatic valve on the path of the tube chamber of branched pipe handle.Like this, when getting involved the intubate operation, after conduit and seal wire are inserted into a certain vessel segment, if whether want to observe the degree of depth of conduit intravasation suitable, in the time of will confirming maybe whether conduit enters into predetermined target vessel, do not need again seal wire to be extracted out from conduit, just can utilize the branched pipe handle to connect syringe, in blood vessel, inject contrast agent in the gap between conduit cavity inwall and seal wire periphery again by branched pipe handle tube chamber; When not using the branched pipe handle, haemostatic valve can be closed, make whole intubate process maintain good seriality, thereby make the intubate of intervention diagnosis and therapy operate become simple and easy to do.
Description of drawings:
Below in conjunction with accompanying drawing this utility model is elaborated.
Fig. 1 is the structural representation of this utility model first embodiment.
Fig. 2 is the structural representation of this utility model second embodiment.
The specific embodiment:
Fig. 1 shows the structural representation of this utility model first embodiment, and this utility model comprises as shown in Figure 1: catheter body 1, conduit handle 2, narrow sealing ring 3.The terminal inner chamber of conduit handle 2 is funnel-form, so that insertion seal wire, the internal diameter of narrow sealing ring is less than the lumen diameter at other positions of conduit, and slightly greater than the external diameter of seal wire, to guarantee after seal wire inserts in the conduit, can to stop blood to flow out, on conduit handle 2, be provided with a branched pipe handle 4, the tube chamber 7 of branched pipe handle 4 is connected with the tube chamber of conduit handle 2, connectivity points is positioned at the front portion of narrow sealing ring 3, on the path of the tube chamber 7 of branched pipe handle, be provided with a manual knob haemostatic valve 5, when getting involved the intubate operation, if whether the degree of depth of wanting to observe the conduit intravasation suitably the time, does not need seal wire to be extracted out from conduit, just can utilize the branched pipe handle to connect syringe again, open manual knob haemostatic valve 5, contrast agent is injected in the blood vessel in the gap between conduit cavity inwall and seal wire periphery by branched pipe handle tube chamber 7 again.
Fig. 2 shows the structural representation of this utility model second embodiment, and this utility model comprises as shown in Figure 2: catheter body 1, conduit handle 2, narrow sealing ring 3.The terminal inner chamber of conduit handle 2 is funnel-form, so that insertion seal wire, the internal diameter of narrow sealing ring is less than the lumen diameter at other positions of conduit, and slightly greater than the external diameter of seal wire, to guarantee after seal wire inserts in the conduit, can to stop blood to flow out, on conduit handle 2, be provided with a branched pipe handle 4, the tube chamber 7 of branched pipe handle 4 is connected with the tube chamber of conduit handle 2, connectivity points is positioned at the front portion of narrow sealing ring 3, on the path of the tube chamber 7 of branched pipe handle, be provided with a unidirectional flap valve haemostatic valve 6, unidirectional flap valve haemostatic valve 6 is only with unidirectional opening, when getting involved the intubate operation, if whether the degree of depth of wanting to observe the conduit intravasation is suitably the time, do not need again seal wire to be extracted out from conduit, just can utilize the branched pipe handle to connect syringe, when in branched pipe handle tube chamber, injecting contrast agent, unidirectional flap valve haemostatic valve 6 is washed open, and the contrast agent gap between conduit cavity inwall and seal wire periphery again injects in the blood vessel; When not using the branched pipe handle, unidirectional flap valve haemostatic valve is closed automatically.
Claims (3)
1, a kind of novel interposing catheter, comprise: catheter body (1), conduit handle (2), narrow sealing ring (3), it is characterized in that on catheter body (1) back segment or conduit handle (2), being provided with a branched pipe handle (4), the tube chamber (7) of branched pipe handle (4) is connected with the tube chamber of catheter body or conduit handle, connectivity points is positioned at the front portion of narrow sealing ring (3), is provided with a haemostatic valve on the path of the tube chamber (7) of branched pipe handle (4).
2, novel interposing catheter according to claim 1 is characterized in that described haemostatic valve is manual knob haemostatic valve (5).
3, novel interposing catheter according to claim 1 is characterized in that described haemostatic valve is a unidirectional flap valve haemostatic valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02254061 CN2568216Y (en) | 2002-09-14 | 2002-09-14 | Novel intervenient catheter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02254061 CN2568216Y (en) | 2002-09-14 | 2002-09-14 | Novel intervenient catheter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2568216Y true CN2568216Y (en) | 2003-08-27 |
Family
ID=33723021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02254061 Expired - Fee Related CN2568216Y (en) | 2002-09-14 | 2002-09-14 | Novel intervenient catheter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2568216Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261297A (en) * | 2017-08-01 | 2017-10-20 | 郑州大学第附属医院 | The interposing catheter of multistage controlled deflection |
| CN111150921A (en) * | 2020-01-22 | 2020-05-15 | 上海庆之医疗科技有限公司 | Intravascular interventional robot, catheter and intravascular interventional system |
| CN114588493A (en) * | 2022-03-18 | 2022-06-07 | 深圳市爱博医疗机器人有限公司 | Double-cavity radiography catheter and integrated radiography catheter |
-
2002
- 2002-09-14 CN CN 02254061 patent/CN2568216Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261297A (en) * | 2017-08-01 | 2017-10-20 | 郑州大学第附属医院 | The interposing catheter of multistage controlled deflection |
| CN111150921A (en) * | 2020-01-22 | 2020-05-15 | 上海庆之医疗科技有限公司 | Intravascular interventional robot, catheter and intravascular interventional system |
| CN114588493A (en) * | 2022-03-18 | 2022-06-07 | 深圳市爱博医疗机器人有限公司 | Double-cavity radiography catheter and integrated radiography catheter |
| CN114588493B (en) * | 2022-03-18 | 2024-04-16 | 深圳爱博合创医疗机器人有限公司 | Double-cavity radiography catheter and integrated radiography catheter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |