CN203935470U - The gradual remaining needle guiding device in a kind of tip - Google Patents
The gradual remaining needle guiding device in a kind of tip Download PDFInfo
- Publication number
- CN203935470U CN203935470U CN201420329556.0U CN201420329556U CN203935470U CN 203935470 U CN203935470 U CN 203935470U CN 201420329556 U CN201420329556 U CN 201420329556U CN 203935470 U CN203935470 U CN 203935470U
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- CN
- China
- Prior art keywords
- blood back
- needle
- tube
- utility
- model
- 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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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
This utility model relates to the gradual remaining needle guiding device in a kind of tip.This utility model comprises indwelling casing tube and is plugged in the puncture needle in indwelling casing tube, described indwelling casing tube is comprised of remaining needle positioning pipe, reducing connecting tube and blood back observing tube successively, described puncture needle is comprised of top sharp portion and needle tubing successively, on described needle tubing, be provided with blood back groove, described blood back groove is arranged in blood back observing tube.This utility model, by progressive structure, has increased the space of the observation ward of blood back groove, has avoided medical personnel because observe the malpracticees such as needle point piercing blood vessel unclear and that cause.
Description
Technical field
This utility model relates to the gradual remaining needle guiding device in a kind of tip.
Background technology
After traditional catheter tip molding design molding; while coordinating with notch pin, the distance of notch place and conduit cavity can become very narrow; therefore often there will be remaining needle at notch place, not observe blood back in use or blood back is slow, when medical personnel push away notch pin forward again, just may cause the malpractice of needle point piercing blood vessel.
Utility model content
Technical problem to be solved in the utility model is to provide the gradual remaining needle guiding device in a kind of tip.
This utility model adopts following technical scheme:
This utility model comprises indwelling casing tube and is plugged in the puncture needle in indwelling casing tube, described indwelling casing tube is comprised of remaining needle positioning pipe, reducing connecting tube and blood back observing tube successively, described puncture needle is comprised of top sharp portion and needle tubing successively, on described needle tubing, be provided with blood back groove, described blood back groove is arranged in blood back observing tube.
Good effect of the present utility model is as follows:
This utility model, by progressive structure, has increased the space of the observation ward of blood back groove, has avoided medical personnel because observe the malpracticees such as needle point piercing blood vessel unclear and that cause.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model structural representation.
Accompanying drawing 2 is this utility model sectional structure schematic diagram.
The specific embodiment
As shown in accompanying drawing 1-2, this utility model comprises indwelling casing tube 1 and is plugged in the puncture needle 2 in indwelling casing tube 1, described indwelling casing tube 1 is comprised of remaining needle positioning pipe 1-3, reducing connecting tube 1-2 and blood back observing tube 1-1 successively, described puncture needle 2 is comprised of top sharp portion 2-2 and needle tubing 2-1 successively, on described needle tubing 2-1, be provided with blood back groove 2-3, described blood back groove 2-3 is arranged in blood back observing tube 1-1.This utility model, by progressive structure, has increased the space of the observation ward of blood back groove, has avoided medical personnel because observe the malpracticees such as needle point piercing blood vessel unclear and that cause.
Claims (1)
1. the gradual remaining needle guiding device in tip, it is characterized in that it comprises indwelling casing tube (1) and is plugged in the puncture needle (2) in indwelling casing tube (1), described indwelling casing tube (1) is comprised of remaining needle positioning pipe (1-3), reducing connecting tube (1-2) and blood back observing tube (1-1) successively, described puncture needle (2) is comprised of top sharp portion (2-2) and needle tubing (2-1) successively, on described needle tubing (2-1), be provided with blood back groove (2-3), described blood back groove (2-3) is arranged in blood back observing tube (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329556.0U CN203935470U (en) | 2014-06-20 | 2014-06-20 | The gradual remaining needle guiding device in a kind of tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329556.0U CN203935470U (en) | 2014-06-20 | 2014-06-20 | The gradual remaining needle guiding device in a kind of tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203935470U true CN203935470U (en) | 2014-11-12 |
Family
ID=51854819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329556.0U Expired - Fee Related CN203935470U (en) | 2014-06-20 | 2014-06-20 | The gradual remaining needle guiding device in a kind of tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203935470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185077A (en) * | 2017-05-26 | 2017-09-22 | 浙江优特格尔医疗用品有限公司 | A kind of catheter tip molding structure of venous detaining needle |
| CN115382049A (en) * | 2022-08-22 | 2022-11-25 | 中国人民解放军联勤保障部队第九八一医院 | Trocar |
-
2014
- 2014-06-20 CN CN201420329556.0U patent/CN203935470U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185077A (en) * | 2017-05-26 | 2017-09-22 | 浙江优特格尔医疗用品有限公司 | A kind of catheter tip molding structure of venous detaining needle |
| CN115382049A (en) * | 2022-08-22 | 2022-11-25 | 中国人民解放军联勤保障部队第九八一医院 | Trocar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20160620 |