CN204468877U - The venous detaining needle of the anti-return blood blood coagulation of a kind of energy - Google Patents
The venous detaining needle of the anti-return blood blood coagulation of a kind of energy Download PDFInfo
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- CN204468877U CN204468877U CN201520058729.4U CN201520058729U CN204468877U CN 204468877 U CN204468877 U CN 204468877U CN 201520058729 U CN201520058729 U CN 201520058729U CN 204468877 U CN204468877 U CN 204468877U
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- blood
- sleeve pipe
- needle
- prevention valve
- remaining needle
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A venous detaining needle for the anti-return blood blood coagulation of energy, comprises remaining needle sleeve pipe, blood return prevention valve, puncture needle, and puncture threeway, holds needle handle, PVC hose, singlehanded tongs, infusion tee, remaining needle sheath; Wherein: the sidewall of remaining needle sleeve pipe is with opening, and the rear end of opening is connected with the blood return prevention valve of energy opening and closing, and blood return prevention valve is elastic component; The front end of remaining needle sleeve pipe is with the soft stifled enclosuring structure of film like silica gel; The tail section exterior of puncture needle is with holding needle handle; Remaining needle sleeve pipe inner band has puncture needle, and remaining needle sleeve pipe is connected with PVC hose by puncture threeway; The outer cover of remaining needle sleeve pipe has remaining needle sheath.This utility model advantage: theory structure is simple, easy to use, according to the pressure change inside and outside remaining needle sleeve pipe, blood return prevention valve realizes folding automatically, the generation of effective anti-return blood blood coagulation problem, reduces infection chance, avoid patient to increase misery, alleviate the workload of medical personnel.
Description
Technical field
This utility model relates to medical apparatus field, particularly the venous detaining needle of the anti-return blood blood coagulation of a kind of energy.
Background technology
At present, existing remaining needle, does not have blood return prevention structure, in use, easily occurs blood back and the situation of blood coagulation, and clinical cannot continuation uses.After can only extracting, again puncture, the risk of the wound infection of increase, increases the misery of patient, brings the workload of repetition also to the operation of medical personnel.
Utility model content
The purpose of this utility model is that spy provides the venous detaining needle of the anti-return blood blood coagulation of a kind of energy in order to effectively prevent remaining needle blood back in use and the generation of blood coagulation situation.
This utility model provides the venous detaining needle of the anti-return blood blood coagulation of a kind of energy, it is characterized in that: the venous detaining needle of the anti-return blood blood coagulation of described energy, comprise remaining needle sleeve pipe 1, blood return prevention valve 2, puncture needle 3, puncture threeway 4, hold needle handle 5, PVC hose 6, singlehanded tongs 7, infusion tee 8, remaining needle sheath 9;
Wherein: the sidewall of remaining needle sleeve pipe 1 is with opening 101, and the rear end of opening 101 is connected with the blood return prevention valve 2 of energy opening and closing, and blood return prevention valve 2 is elastic component; When the external pressure of remaining needle sleeve pipe 1 is greater than internal pressure, blood return prevention valve 2 closes; When the internal pressure of remaining needle sleeve pipe 1 is greater than external pressure, blood return prevention valve 2 outwards opens;
The front end of remaining needle sleeve pipe 1 with the soft stifled enclosuring structure of film like silica gel, after puncture needle 3 is worn out, can under elastic reaction, self-closed;
The tail section exterior of puncture needle 3 is with holding needle handle 5; Remaining needle sleeve pipe 1 inside is with puncture needle 3, and remaining needle sleeve pipe 1 is connected with PVC hose 6 by puncture threeway 4; PVC hose 6 is connected with infusion tee 8; PVC hose 6 is connected with singlehanded tongs 7; The outer cover of remaining needle sleeve pipe 1 has remaining needle sheath 9.
The shape of described blood return prevention valve 2, entirety is list structure, and opening is arc-shaped.
Described blood return prevention valve 2 is 4 ~ 12, is distributed on the surface of remaining needle sleeve pipe 1, and the width of single blood return prevention valve 2 and length ratio are 1:4 ~ 6, and larger length easily guarantees the timely folding of blood return prevention valve 2 when external and internal pressure changes.
The width of described blood return prevention valve 2 and the diameter ratio of remaining needle sleeve pipe 1 are 1:5.
The upper rear end of described opening 101 with chamfering structure 102, opening 101 front end with step-like structure 103; The rear end of blood return prevention valve 2 and the rear end of opening 101 are connected, and the front end of blood return prevention valve 2 is overlapped on step-like structure 103.
Advantage of the present utility model:
The venous detaining needle of the anti-return blood blood coagulation of energy described in the utility model, theory structure is simple, easy to use, under transfusion state and stopping infusion two states, according to the pressure change inside and outside remaining needle sleeve pipe, blood return prevention valve realizes folding automatically, the generation of effective anti-return blood blood coagulation problem, reduce infection chance, avoid patient to increase misery, alleviate the workload of medical personnel.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, this utility model is described in further detail:
Fig. 1 is the venous detaining needle overall structure schematic diagram of the anti-return blood blood coagulation of energy;
Fig. 2 is remaining needle sleeve pipe and blood return prevention valve close-up schematic view;
Fig. 3 is blood return prevention valve closed type sectional view;
Fig. 4 is blood return prevention valve sectional view when opening.
Detailed description of the invention
Embodiment 1
Present embodiments provide the venous detaining needle of the anti-return blood blood coagulation of a kind of energy, it is characterized in that: the venous detaining needle of the anti-return blood blood coagulation of described energy, comprise remaining needle sleeve pipe 1, blood return prevention valve 2, puncture needle 3, puncture threeway 4, hold needle handle 5, PVC hose 6, singlehanded tongs 7, infusion tee 8, remaining needle sheath 9;
Wherein: the sidewall of remaining needle sleeve pipe 1 is with opening 101, and the rear end of opening 101 is connected with the blood return prevention valve 2 of energy opening and closing, and blood return prevention valve 2 is elastic component; When the external pressure of remaining needle sleeve pipe 1 is greater than internal pressure, blood return prevention valve 2 closes; When the internal pressure of remaining needle sleeve pipe 1 is greater than external pressure, blood return prevention valve 2 outwards opens;
The front end of remaining needle sleeve pipe 1 with the soft stifled enclosuring structure of film like silica gel, after puncture needle 3 is worn out, can under elastic reaction, self-closed;
The tail section exterior of puncture needle 3 is with holding needle handle 5; Remaining needle sleeve pipe 1 inside is with puncture needle 3, and remaining needle sleeve pipe 1 is connected with PVC hose 6 by puncture threeway 4; PVC hose 6 is connected with infusion tee 8; PVC hose 6 is connected with singlehanded tongs 7; The outer cover of remaining needle sleeve pipe 1 has remaining needle sheath 9.
The shape of described blood return prevention valve 2, entirety is list structure, and opening is arc-shaped.
Described blood return prevention valve 2 is 4, is distributed on the surface of remaining needle sleeve pipe 1, and the width of single blood return prevention valve 2 and length ratio are 1:6, and larger length easily guarantees the timely folding of blood return prevention valve 2 when external and internal pressure changes.
The width of described blood return prevention valve 2 and the diameter ratio of remaining needle sleeve pipe 1 are 1:5.
The upper rear end of described opening 101 with chamfering structure 102, opening 101 front end with step-like structure 103; The rear end of blood return prevention valve 2 and the rear end of opening 101 are connected, and the front end of blood return prevention valve 2 is overlapped on step-like structure 103.
Embodiment 2
Present embodiments provide the venous detaining needle of the anti-return blood blood coagulation of a kind of energy, it is characterized in that: the venous detaining needle of the anti-return blood blood coagulation of described energy, comprise remaining needle sleeve pipe 1, blood return prevention valve 2, puncture needle 3, puncture threeway 4, hold needle handle 5, PVC hose 6, singlehanded tongs 7, infusion tee 8, remaining needle sheath 9;
Wherein: the sidewall of remaining needle sleeve pipe 1 is with opening 101, and the rear end of opening 101 is connected with the blood return prevention valve 2 of energy opening and closing, and blood return prevention valve 2 is elastic component; When the external pressure of remaining needle sleeve pipe 1 is greater than internal pressure, blood return prevention valve 2 closes; When the internal pressure of remaining needle sleeve pipe 1 is greater than external pressure, blood return prevention valve 2 outwards opens;
The front end of remaining needle sleeve pipe 1 with the soft stifled enclosuring structure of film like silica gel, after puncture needle 3 is worn out, can under elastic reaction, self-closed;
The tail section exterior of puncture needle 3 is with holding needle handle 5; Remaining needle sleeve pipe 1 inside is with puncture needle 3, and remaining needle sleeve pipe 1 is connected with PVC hose 6 by puncture threeway 4; PVC hose 6 is connected with infusion tee 8; PVC hose 6 is connected with singlehanded tongs 7; The outer cover of remaining needle sleeve pipe 1 has remaining needle sheath 9.
The shape of described blood return prevention valve 2, entirety is list structure, and opening is arc-shaped.
Described blood return prevention valve 2 is 8, is distributed on the surface of remaining needle sleeve pipe 1, and the width of single blood return prevention valve 2 and length ratio are 1:5, and larger length easily guarantees the timely folding of blood return prevention valve 2 when external and internal pressure changes.
The width of described blood return prevention valve 2 and the diameter ratio of remaining needle sleeve pipe 1 are 1:5.
The upper rear end of described opening 101 with chamfering structure 102, opening 101 front end with step-like structure 103; The rear end of blood return prevention valve 2 and the rear end of opening 101 are connected, and the front end of blood return prevention valve 2 is overlapped on step-like structure 103.
Embodiment 3
Present embodiments provide the venous detaining needle of the anti-return blood blood coagulation of a kind of energy, it is characterized in that: the venous detaining needle of the anti-return blood blood coagulation of described energy, comprise remaining needle sleeve pipe 1, blood return prevention valve 2, puncture needle 3, puncture threeway 4, hold needle handle 5, PVC hose 6, singlehanded tongs 7, infusion tee 8, remaining needle sheath 9;
Wherein: the sidewall of remaining needle sleeve pipe 1 is with opening 101, and the rear end of opening 101 is connected with the blood return prevention valve 2 of energy opening and closing, and blood return prevention valve 2 is elastic component; When the external pressure of remaining needle sleeve pipe 1 is greater than internal pressure, blood return prevention valve 2 closes; When the internal pressure of remaining needle sleeve pipe 1 is greater than external pressure, blood return prevention valve 2 outwards opens;
The front end of remaining needle sleeve pipe 1 with the soft stifled enclosuring structure of film like silica gel, after puncture needle 3 is worn out, can under elastic reaction, self-closed;
The tail section exterior of puncture needle 3 is with holding needle handle 5; Remaining needle sleeve pipe 1 inside is with puncture needle 3, and remaining needle sleeve pipe 1 is connected with PVC hose 6 by puncture threeway 4; PVC hose 6 is connected with infusion tee 8; PVC hose 6 is connected with singlehanded tongs 7; The outer cover of remaining needle sleeve pipe 1 has remaining needle sheath 9.
The shape of described blood return prevention valve 2, entirety is list structure, and opening is arc-shaped.
Described blood return prevention valve 2 is 12, is distributed on the surface of remaining needle sleeve pipe 1, and the width of single blood return prevention valve 2 and length ratio are 1:4, and larger length easily guarantees the timely folding of blood return prevention valve 2 when external and internal pressure changes.
The width of described blood return prevention valve 2 and the diameter ratio of remaining needle sleeve pipe 1 are 1:5.
The upper rear end of described opening 101 with chamfering structure 102, opening 101 front end with step-like structure 103; The rear end of blood return prevention valve 2 and the rear end of opening 101 are connected, and the front end of blood return prevention valve 2 is overlapped on step-like structure 103.
Claims (5)
1. the venous detaining needle of the anti-return blood blood coagulation of energy, it is characterized in that: the venous detaining needle of the anti-return blood blood coagulation of described energy, comprise remaining needle sleeve pipe (1), blood return prevention valve (2), puncture needle (3), puncture threeway (4), hold needle handle (5), PVC hose (6), singlehanded tongs (7), infusion tee (8), remaining needle sheath (9);
Wherein: the sidewall of remaining needle sleeve pipe (1) is with opening (101), and the rear end of opening (101) is connected with the blood return prevention valve (2) of energy opening and closing, and blood return prevention valve (2) is elastic component; The front end of remaining needle sleeve pipe (1) is with the soft stifled enclosuring structure of film like silica gel; The tail section exterior of puncture needle (3) is with holding needle handle (5); Remaining needle sleeve pipe (1) is inner with puncture needle (3), and remaining needle sleeve pipe (1) is connected with PVC hose (6) by puncture threeway (4); PVC hose (6) is connected with infusion tee (8); PVC hose (6) is connected with singlehanded tongs (7); The outer cover of remaining needle sleeve pipe (1) has remaining needle sheath (9).
2. according to the venous detaining needle of the anti-return blood blood coagulation of energy according to claim 1, it is characterized in that: the shape of described blood return prevention valve (2), entirety is list structure, and opening is arc-shaped.
3. according to the venous detaining needle of the anti-return blood blood coagulation of energy according to claim 1, it is characterized in that: described blood return prevention valve (2) is 4 ~ 12, be distributed on the surface of remaining needle sleeve pipe (1), width and the length ratio of single blood return prevention valve (2) are 1:4 ~ 6.
4. according to the venous detaining needle of the anti-return blood blood coagulation of energy according to claim 1, it is characterized in that: the width of described blood return prevention valve (2) and the diameter ratio of remaining needle sleeve pipe (1) are 1:5.
5. according to the venous detaining needle of the anti-return blood blood coagulation of energy according to claim 1, it is characterized in that: the upper rear end of described opening (101) with chamfering structure (102), opening (101) front end with step-like structure (103); The rear end of blood return prevention valve (2) and the rear end of opening (101) are connected, and the front end of blood return prevention valve (2) is overlapped on step-like structure (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058729.4U CN204468877U (en) | 2015-01-28 | 2015-01-28 | The venous detaining needle of the anti-return blood blood coagulation of a kind of energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058729.4U CN204468877U (en) | 2015-01-28 | 2015-01-28 | The venous detaining needle of the anti-return blood blood coagulation of a kind of energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204468877U true CN204468877U (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520058729.4U Expired - Fee Related CN204468877U (en) | 2015-01-28 | 2015-01-28 | The venous detaining needle of the anti-return blood blood coagulation of a kind of energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204468877U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013044A (en) * | 2015-07-30 | 2015-11-04 | 西安交通大学第一附属医院 | One-way valve type retaining needle |
| CN108992740A (en) * | 2018-09-18 | 2018-12-14 | 苏州大学附属儿童医院 | It can be realized the bottle plug puncture unit and infusion apparatus of more bags of medical fluid sequential infusions |
| US10837955B2 (en) | 2017-01-10 | 2020-11-17 | Instrumentation Laboratory Company | Clot mitigating probe for blood analyzing instrument |
-
2015
- 2015-01-28 CN CN201520058729.4U patent/CN204468877U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105013044A (en) * | 2015-07-30 | 2015-11-04 | 西安交通大学第一附属医院 | One-way valve type retaining needle |
| CN105013044B (en) * | 2015-07-30 | 2018-05-29 | 西安交通大学第一附属医院 | One-way valve formula remaining needle |
| US10837955B2 (en) | 2017-01-10 | 2020-11-17 | Instrumentation Laboratory Company | Clot mitigating probe for blood analyzing instrument |
| US11543403B2 (en) | 2017-01-10 | 2023-01-03 | Instrumentation Laboratory Company | Clot mitigating probe for blood analyzing instrument |
| CN108992740A (en) * | 2018-09-18 | 2018-12-14 | 苏州大学附属儿童医院 | It can be realized the bottle plug puncture unit and infusion apparatus of more bags of medical fluid sequential infusions |
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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 |
Granted publication date: 20150715 Termination date: 20160128 |
|
| EXPY | Termination of patent right or utility model |