CN201668793U - Needle tube retraction type positive pressure remaining needle - Google Patents
Needle tube retraction type positive pressure remaining needle Download PDFInfo
- Publication number
- CN201668793U CN201668793U CN2010201987234U CN201020198723U CN201668793U CN 201668793 U CN201668793 U CN 201668793U CN 2010201987234 U CN2010201987234 U CN 2010201987234U CN 201020198723 U CN201020198723 U CN 201020198723U CN 201668793 U CN201668793 U CN 201668793U
- Authority
- CN
- China
- Prior art keywords
- needle
- sleeve
- positive pressure
- needle tube
- transfusion
- 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 - Lifetime
Links
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 239000008280 blood Substances 0.000 abstract description 12
- 210000004369 blood Anatomy 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000007789 sealing Methods 0.000 abstract 2
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 230000023555 blood coagulation Effects 0.000 description 4
- 238000001802 infusion Methods 0.000 description 4
- 210000003462 vein Anatomy 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a needle tube retraction type positive pressure remaining needle, which mainly comprises a sleeve, a three-way type sleeve seat and a needle tube, wherein the rear end of the sleeve is fixedly connected in the sleeve seat through a cis needle tube, a sealing plug is arranged in the sleeve seat, the needle tube is hermetically inserted through the sealing plug and the cis needle tube to penetrate in the sleeve, the rear part of the sleeve seat is provided with a needle handle sleeve for connecting a needle handle and a puncture needle safety protective sleeve assembly formed by a front protective sleeve and a rear protective sleeve, the sleeve seat is laterally connected with a transfusion three-way joint through a connecting duct, and one liquid inlet of the transfusion three-way joint is connected with a positive pressure joint. When medical devices such as a syringe and the like are pulled out from the positive pressure joint, the positive pressure joint ensures that liquid flows in a forward direction along a transfusion direction, thereby preventing blood from flowing to the sleeve from a patient, effectively eliminating liquid backflow and avoiding the blood from blockage or coagulation in the sleeve. The utility model is an ideal needle tube retraction type positive pressure venous remaining needle.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, specifically a kind of needle tubing retracting type malleation remaining needle.
Background technology
We know, venous detaining needle is a kind of medical apparatus and instruments that is used for the venous indwelling transfusion, it mainly includes remaining needle sleeve pipe, three way type casing seat, puncture needle tubing etc., the sleeve pipe rear end is by being fastened in the casing seat along needle tubing, hemostatic seal plug also is housed in the casing seat, the puncture needle tubing was inserted sealing-plug hermetically and along needle tubing, was positioned at the remaining needle sleeve pipe, and three way type casing seat side direction is connected with other infusion pipeline joint.After medical personnel use venous indwelling at the patient's vein vascular puncture, the needle tubing that will puncture is extracted from casing seat rear end and remaining needle sleeve pipe, comparatively softish sleeve portion is kept somewhere in the patient's vein blood vessel, carried out continuously to the patient or transfusion discontinuously by the remaining needle sleeve pipe.Because the existing infusion pipeline joint that links to each other with the three way type sleeve pipe does not have the malleation connecting device, when from armarium such as infusion pipeline joint extraction syringes, owing to be subjected to factor affecting such as human blood-pressure, tend to cause the outflow of liquid return and blood of human body, cause blood to flow out by the patient, enter sleeve pipe, cause blood, have a strong impact on the safety of using and infuse of venous detaining needle at sleeve pipe internal congestion or blood clotting.
Summary of the invention
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, provide a kind of rational in infrastructure, easy to use, safe and reliable, avoiding remaining needle to extract the back medical personnel is accidentally injured by pin, and effectively stop blood to flow out and enter sleeve pipe, avoid the needle tubing retracting type malleation remaining needle of blood at sleeve pipe internal congestion or blood clotting by the patient.
The technical scheme in the invention for solving the above technical problem is: a kind of needle tubing retracting type malleation remaining needle; mainly include sleeve pipe; the three way type casing seat; needle tubing; the sleeve pipe rear end is by being fastened in the casing seat along needle tubing; sealing-plug is housed in the casing seat; needle tubing was inserted sealing-plug and suitable needle tubing hermetically; in sleeve pipe; the casing seat rear portion is provided with needle handle cover that connects needle handle and the puncture needle safeguard protection grip assembly of being made up of preceding protective sleeve and back protective sleeve; the casing seat side direction is connected with the transfusion three way cock by connecting duct, it is characterized in that: be connected with positive pressure connector on transfusion three way cock's the inlet.
This utility model is owing to connect a positive pressure connector on an inlet of needle tubing retracting type remaining needle, against existing technologies, medical personnel are from armarium such as positive pressure connector extraction syringes the time, guaranteed by the forward flow of liquid towards the transfusion direction, thereby when having prevented that blood from flowing into sleeve pipe by the patient, eliminated liquid return effectively, avoided blood at sleeve pipe internal congestion or blood clotting.
Description of drawings
Below in conjunction with accompanying drawing this utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
1. positive pressure connectors among the figure, 2. transfusion three way cock, 3. connecting duct, 4. clip, 5. needle handle cover, 6. back protective sleeve, 7. before protective sleeve, 8. needle handle, 9. sealing-plug, 10. casing seat, 11. along needle tubings, 12. sleeve pipes, 13. needle tubings, 14. sheaths.
The specific embodiment
As seen from Figure 1, a kind of needle tubing retracting type of this utility model malleation remaining needle, mainly include remaining needle sleeve pipe 12, three way type casing seat 10, needle tubing 13, sleeve pipe 12 rear ends are by being fastened in the casing seat 10 along needle tubing 11, hemostasis sealing-plug 9 is housed in the casing seat 10, puncture needle tubing 13 inserted sealing-plug 9 hermetically and along needle tubing 11, in remaining needle sleeve pipe 10, sleeve pipe 12 front end outsides are with sheath 14.
This utility model remaining needle is the needle tubing retracting type.Its needle tubing 13 rear portions are provided with needle handle 8 and the needle handle cover 5 that is connected needle handle; needle handle cover 5 is fastened on protective sleeve 6 outsides, back; casing seat 10 rear portions are provided with the puncture needle safeguard protection grip assembly of being made up of preceding protective sleeve 7 and back protective sleeve 6; the needle handle cover 5 that is provided with the single-blade fin links to each other by perpendicular muscle with the cylindrical needle handle in inboard; needle handle cover 5 is fastened on protective sleeve 6 outsides, back; it can drive needle handle 8 and slide backward along back protective sleeve 6; preceding protective sleeve 7 front ends are plugged in the casing seat back end interface; the rear end is connected with back protective sleeve 6 tight fits, and back protective sleeve 6 is axially arranged with needle handle slide-and-guide groove.Owing to be connected with puncture needle safeguard protection grip assembly at the casing seat rear portion; like this; medical personnel are when extracting the retained needle puncture needle assembly; puncture needle and needle point can be fully by upper shield in safety protective cover; realized safe disposal; the possibility of having avoided medical personnel to be accidentally injured by pin and having caught has been stopped remaining needle and has been extracted the threat that the back constitutes medical personnel.The annexation of above-mentioned composition, structure and each parts belongs to prior art in the existing description of the applicant's patent 2006200854099 " single-blade high-safety needle staying on vein ", repeats no more.
This utility model characteristics are: casing seat 10 side direction are connected with transfusion three way cock 2 by connecting duct 3, are connected with positive pressure connector 1 on transfusion three way cock's 2 the inlet.During normal infusion, medicinal liquid can inject positive pressure connector 1 by the upstream medical apparatus and instruments, and then props up through casing seat 10 side direction and mouthful to enter casing seat 10 ante-chambers and flow to sleeve pipe 12, enters vein blood vessel at last.
Positive pressure connector described in the utility model is made up of upper shell, lower house, Elastic valve core, Elastic valve core is arranged in upper shell chamber and upstream-end opening, the one end is fixedlyed connected with lower house, the other end controllably seals with the upper shell upstream-end opening, variation by own vol, force the liquid in the chamber to produce a positive pressure, realized liquid, prevented the generation of blood backflow situation by the forward flow of chamber towards the human body direction to liquid flow direction.The annexation of described positive pressure connector composition, structure and each parts belongs to prior art, repeats no more
This utility model connects a positive pressure connector on needle tubing retracting type remaining needle, during from armarium such as positive pressure connector extraction syringes, positive pressure connector has guaranteed by the forward flow of liquid towards the transfusion direction, thereby when having prevented that blood from flowing into sleeve pipe by the patient, eliminated liquid return effectively, avoided blood at sleeve pipe internal congestion or blood clotting.It is a kind of ideal needle tubing retracting type malleation remaining needle.
Claims (1)
1. needle tubing retracting type malleation remaining needle; mainly include sleeve pipe, three way type casing seat, needle tubing; the sleeve pipe rear end is by being fastened in the casing seat along needle tubing; sealing-plug is housed in the casing seat; needle tubing was inserted sealing-plug and suitable needle tubing hermetically; in sleeve pipe; the casing seat rear portion is provided with needle handle cover that connects needle handle and the puncture needle safeguard protection grip assembly of being made up of preceding protective sleeve and back protective sleeve; the casing seat side direction is connected with the transfusion three way cock by connecting duct, it is characterized in that: be connected with positive pressure connector on transfusion three way cock's the inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201987234U CN201668793U (en) | 2010-05-21 | 2010-05-21 | Needle tube retraction type positive pressure remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201987234U CN201668793U (en) | 2010-05-21 | 2010-05-21 | Needle tube retraction type positive pressure remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201668793U true CN201668793U (en) | 2010-12-15 |
Family
ID=43326207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201987234U Expired - Lifetime CN201668793U (en) | 2010-05-21 | 2010-05-21 | Needle tube retraction type positive pressure remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201668793U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362239A (en) * | 2016-10-08 | 2017-02-01 | 谢世庚 | Anti-puncturing venous indwelling needle |
| WO2017113852A1 (en) * | 2015-12-30 | 2017-07-06 | 江苏阳普医疗科技有限公司 | Medical catheter assembly with non-detachable puncture needle |
| CN114699599A (en) * | 2014-12-01 | 2022-07-05 | 河南曙光健士实业发展有限公司 | Remaining needle with slow-release positive pressure device |
-
2010
- 2010-05-21 CN CN2010201987234U patent/CN201668793U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114699599A (en) * | 2014-12-01 | 2022-07-05 | 河南曙光健士实业发展有限公司 | Remaining needle with slow-release positive pressure device |
| CN114699599B (en) * | 2014-12-01 | 2023-06-27 | 河南曙光健士实业发展有限公司 | Indwelling needle with slow-release positive pressure device |
| WO2017113852A1 (en) * | 2015-12-30 | 2017-07-06 | 江苏阳普医疗科技有限公司 | Medical catheter assembly with non-detachable puncture needle |
| CN106362239A (en) * | 2016-10-08 | 2017-02-01 | 谢世庚 | Anti-puncturing venous indwelling needle |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |