CN104922762B - One kind has sleeved remaining needle - Google Patents
One kind has sleeved remaining needle Download PDFInfo
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- CN104922762B CN104922762B CN201510352653.0A CN201510352653A CN104922762B CN 104922762 B CN104922762 B CN 104922762B CN 201510352653 A CN201510352653 A CN 201510352653A CN 104922762 B CN104922762 B CN 104922762B
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- stopping clamp
- liquid stopping
- hose
- contact
- indwelling
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Abstract
One kind has sleeved remaining needle, including indwelling hose, indwelling needle, the extension hose for extending tube socket, being connected to indwelling needle and extending between tube socket, the liquid stopping clamp being installed on extension hose, it is characterized in that one end of above-mentioned liquid stopping clamp is equipped with the sleeve being securable on indwelling needle side wall inlet, liquid stopping clamp by the sleeve Hard link fixing device on the inlet of indwelling needle, avoid because liquid stopping clamp swing and caused by extend hose swing and twisted phenomena appearance.The present invention is due to using the sleeved liquid stopping clamp structure of tool, liquid stopping clamp Hard link is set to be fixed on indwelling needle, avoid because liquid stopping clamp is swung and caused by extend the swing of hose and the appearance of twisted phenomena, effectively prevent that indwelling needle end extension tube is swung and distortion causes siphonage to make blood backflow in indwelling needle.
Description
Technical field
The present invention relates to a kind of remaining needle, belong to the field of medical instrument technology.
Background technology
Existing remaining needle generally comprises indwelling hose, indwelling needle, extends tube socket, is connected to indwelling needle and extension tube
Extensions hose between seat, the liquid stopping clamp being installed on extension hose, and existing liquid stopping clamp generally comprises holder, integrated device
In the intermediate plate on holder, holder, which is placed through, to be extended on hose, and can will extend hose by the cooperation of intermediate plate and holder clamps to be formed
Only liquid.But since liquid stopping clamp is actively installed in extension tube, after infusion-completed and only liquid during, liquid stopping clamp easily exists
Swung on indwelling needle, the liquid for causing to extend in hose produces siphonage and vessel inner blood is drawn back into indwelling hose
It is interior, cause blood backflow and form thrombus, seriously affect the usage time of remaining needle, therefore existing remaining needle can only generally make
With 1-2 days just as the formation of thrombus and remaining needle must be pulled out, the remaining needle more renewed.Especially because existing only liquid
Be clipped in clamp extend hose during due to the intermediate plate of liquid stopping clamp release after moment because hose bounce-back cause clamp prolong
Long soft-pipe has a rebound, the former extension hose clamped is formed an elastic rebound and is caused blood backflow to indwelling hose
It is interior, cause blood backflow and form thrombus, influence the performance of remaining needle.Simultaneously because the tip of indwelling hose is open
, the pressure oscillation brought with patient respiration and heartbeat change also occurs that blood back and blood platelet and blood coagulation substance are entered and stayed
Put the phenomenon that blood coagulation plugging is caused in hose.
The content of the invention
It is an object of the invention to presence regarding to the issue above and deficiency, there is provided one kind ensures that liquid stopping clamp will not drive only
Liquid presss from both sides bending or the reflexed of the extension hose between indwelling needle, avoid extending the liquid in hose produce siphonage and by blood
In pipe suctioned blood in indwelling hose, cause blood backflow and thrombosed remaining needle.
On this basis, it is a further object of the present invention to provide it is a kind of it is simple in structure, only liquid effect stability it is reliable, can
Effectively avoid the remaining needle with spring contact of thrombosis.
The technical proposal of the invention is realized in this way：
One kind has a sleeved remaining needle, including indwelling hose, indwelling needle, extend tube socket, be connected to indwelling needle with
The extension hose extended between tube socket, the liquid stopping clamp being installed on extension hose, it is characterised in that one end of above-mentioned liquid stopping clamp is set
There is the sleeve being securable on indwelling needle side wall inlet, liquid stopping clamp is by the sleeve Hard link fixing device in indwelling needle
Inlet on, avoid because liquid stopping clamp swing and caused by extend hose swing and twisted phenomena appearance.
At this time, to further improve application range and practicality of the present invention, the present invention is made in operation may be used
Increase the operating space of medical staff and reduce the probability that medical staff touches extension tube, avoid the swing institute by extending hose
Caused by blood siphonage.And facilitate medical staff's one-handed performance, while right-hand man's operation is similarly convenient, solves original
Left hand is the medical staff of common hand, opens the shortcomings that clamp is difficult to open with left hand, while can also reduce liquid stopping clamp because of fixation
The caused foreign body sensation on indwelling needle, makes its angle and remaining needle Y shape seat form a triangle body, reduces liquid stopping clamp and blows out model
Enclose, hand can be made to reduce the chance that collision liquid stopping clamp touches the movement for making Y shape seat in activity, caused indwelling hose is anti-in the blood vessels
The chance of folding.Above-mentioned sleeve is arranged at the opposite direction end position for being located at liquid stopping clamp openend on liquid stopping clamp.
To realize the further object of the present invention, ensureing the present invention, only liquid effect stability is reliable, can effectively avoid thrombus shape
Into it is to use to be different from liquid stopping clamp hard sheet that above-mentioned liquid stopping clamp, which presses at least one contact in the upper contact head of contact portion point, lower contact,
The spring contact that continuous positive pressure can be formed to extending hose of body.Either positioned at only between the intermediate plate and holder of above-mentioned liquid stopping clamp
Liquid clamp be additionally provided with the front portion of contact up and down of contact portion point it is at least one it is flexible with larger clamping area can be to prolonging
Long soft-pipe forms the elastic pressuring clamping device of continuous positive pressure.
The present invention is due to using having sleeved liquid stopping clamp structure, making liquid stopping clamp Hard link be fixed on indwelling needle, keeping away
Exempt from because liquid stopping clamp swing and caused by extend hose swing and twisted phenomena appearance, effectively prevent indwelling needle end extension tube
Swing and distortion causes siphonage to make blood backflow in indwelling needle.Particularly there is the spring contact or bullet of continuous positive pressure
Property pressing device increase, the liquid stopping clamp intermediate plate is reliably clamped to extend hose and formed and is stopped liquid, but also using continuous positive pressure
Spring contact or the sustainable extruding indwelling needle end of elastic pressuring clamping device extend hose and are allowed to deform upon, extruding liquid in pipe into
Enter in indwelling hose, pressure is conducted effectively to form positive pressure in indwelling hose, effectively avoid liquid stopping clamp in operation moment
The blood backflow caused by blood siphon caused by hose rebounds.During remaining needle indwelling, and utilize spring contact or elasticity
Pressing device makes that blood backflow will not be produced because vein pressure fluctuates in indwelling hose, avoids to the continuous positive pressure of extension hose
For blood backflow into indwelling hose, the usage time for achieving the purpose that preventing thrombosis and extending remaining needle reduced patient by 7-10 days
Because puncturing the increase of the pain brought and medical expense repeatedly.Especially, the tube-in-tube structure of liquid stopping clamp and spring contact or elasticity
The interaction of pressing device makes the liquid in indwelling needle form a continuous positive pressure, further avoid the reflux of blood,
Achieve the purpose that preventing thrombosis, and the configuration of the present invention is simple, make easily highly practical.
The present invention is further illustrated below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the liquid stopping clamp open mode structure diagram of first embodiment of the invention；
Fig. 2 is the liquid stopping clamp clamped condition structure diagram of first embodiment of the invention.
Fig. 3 is the liquid stopping clamp open mode structure diagram of second embodiment of the invention.
Fig. 4 is the liquid stopping clamp clamped condition structure diagram of second embodiment of the invention.
Fig. 5 is the liquid stopping clamp open mode structure diagram of third embodiment of the invention.
Fig. 6 is the liquid stopping clamp clamped condition structure diagram of third embodiment of the invention.
Fig. 7 is the liquid stopping clamp open mode structure diagram of fourth embodiment of the invention.
Fig. 8 is the liquid stopping clamp clamped condition structure diagram of fourth embodiment of the invention.
Fig. 9 is the liquid stopping clamp open mode structure diagram of fifth embodiment of the invention.
Figure 10 is the liquid stopping clamp clamped condition structure diagram of fifth embodiment of the invention.
Figure 11 is the liquid stopping clamp open mode structure diagram of sixth embodiment of the invention.
Figure 12 is the liquid stopping clamp clamped condition structure diagram of sixth embodiment of the invention.
Figure 13 is the liquid stopping clamp open mode structure diagram of seventh embodiment of the invention.
Figure 14 is the liquid stopping clamp clamped condition structure diagram of seventh embodiment of the invention.
Embodiment
As shown in Fig. 1 to Figure 14, a kind of sleeved remaining needle of tool of the present invention, including indwelling hose 11, indwelling
Needle stand 1, extend tube socket 4, the extension hose 2 being connected between indwelling needle 1 and extension tube socket 4, be installed on extension hose 2
Liquid stopping clamp, it is characterised in that one end of above-mentioned liquid stopping clamp 3 is equipped with the sleeve 35 being securable on 1 side wall inlet of indwelling needle,
Liquid stopping clamp 3 by the 35 Hard link fixing device of sleeve on the inlet of indwelling needle 1, avoid because liquid stopping clamp swing and caused by
Extend the swing of hose 2 and the appearance of twisted phenomena.
At this time, to further improve application range and practicality of the present invention, the present invention is made in operation may be used
Increase the operating space of medical staff and reduce the probability that medical staff touches extension tube, avoid the swing due to extending hose 2
Caused blood siphonage.And facilitate medical staff's one-handed performance, while right-hand man's operation is similarly convenient, solves original
Carry out the medical staff that left hand is common hand, open the shortcomings that clamp is difficult to open with left hand, at the same can also reduce liquid stopping clamp 3 because
Caused foreign body sensation on indwelling needle 1 is fixed on, its angle is formed a triangle body with remaining needle Y shape seat, reduces liquid stopping clamp 3
Blow out scope, hand can be made to reduce the chance that collision liquid stopping clamp 3 touches the movement for making Y shape seat, caused indwelling hose 11 in activity
The chance of reflexed in the blood vessels.Above-mentioned sleeve 35 is arranged on liquid stopping clamp 3 positioned at the opposite direction end of 3 openend 33 of liquid stopping clamp position
Put.
To realize the further object of the present invention, ensureing the present invention, only liquid effect stability is reliable, can effectively avoid thrombus shape
Into embodiment of the present invention one is that above-mentioned liquid stopping clamp 3 presses at least one contact in the upper contact head 31 of contact portion point, lower contact 32
It is the spring contact that continuous positive pressure can be formed to extending hose 2 used different from 3 hard body of liquid stopping clamp.At this time either
It is that flexible can form continuous positive pressure to extending hose 2 that above-mentioned liquid stopping clamp 3, which presses the upper contact head 31 of contact portion point, lower contact 32,
Point-like spring contact.Can also be above-mentioned liquid stopping clamp 3 press the upper contact head 31 of contact portion point, lower contact 31 be it is flexible have compared with
The big planar spring contact that continuous positive pressure can be formed to extending hose 2 for clamping area.Embodiment of the present invention two is above-mentioned
Pressed between the intermediate plate 31 and holder 31 of liquid stopping clamp 3 positioned at liquid stopping clamp 3 be additionally provided with the front portion of contact up and down of contact portion point it is at least one
The flexible elastic pressuring clamping device 34 that continuous positive pressure can be formed to extending hose 1 with larger clamping area.At this time both
Can be that the elastic pressuring clamping device 34 stated is to press the upper contact head of contact portion point to be integrally formed on intermediate plate 31 and positioned at folder with liquid stopping clamp 3
Elastic clamping body in a sideways u shape between piece 31 and holder 32.Can also be that above-mentioned elastic pressuring clamping device 34 is integrated shape
Into in the vertical elastic body on intermediate plate 31 and between intermediate plate 31 and holder 32.It can also be above-mentioned elastic pressuring clamping device 34
It is formed as one in the hollow cylinder on intermediate plate 31 and between intermediate plate 31 and holder 32 and is installed in the hollow cylinder
The combination of spring.The present invention is due to using 3 structure of liquid stopping clamp with sleeve 35, making 3 Hard link of liquid stopping clamp be fixed on indwelling
On needle stand 1, avoid because liquid stopping clamp 3 is swung and caused by extend hose 2 swing and twisted phenomena appearance, effectively prevent indwelling
1 end of needle stand extends that hose 2 is swung and distortion causes siphonage to make blood backflow in indwelling needle 1.Particularly have and continue
The increase of the spring contact or elastic pressuring clamping device of positive pressure, had both enable 3 intermediate plate 31 of liquid stopping clamp reliably clamp extension hose 2 and had been formed
Only liquid, and be allowed to using the sustainable extruding indwelling needle of the spring contact or elastic pressuring clamping device 1 end extension hose 2 of continuous positive pressure
Deform upon, extruding liquid in pipe enters in indwelling hose 11, and pressure is conducted effectively to form positive pressure in indwelling hose 11, is had
Effect avoids blood backflow caused by blood siphon caused by liquid stopping clamp 3 rebounds in operation moment because of hose.Stayed in remaining needle
During putting, and spring contact or elastic pressuring clamping device are utilized to extending the continuous positive pressure of hose 2, making in indwelling hose 11 will not be because
Vein pressure fluctuation produces blood backflow, avoids blood backflow into indwelling hose 11, achievees the purpose that preventing thrombosis and extension is stayed
The usage time of pin is put by 7-10 days, reduces increase of the patient because puncturing the pain brought and medical expense repeatedly.Especially, only
35 structure of sleeve of liquid folder 3 and the interaction of spring contact or elastic pressuring clamping device make the liquid in indwelling needle 1 form one
A continuous positive pressure, further avoid the reflux of blood, achieve the purpose that preventing thrombosis, and the configuration of the present invention is simple, and it is easy to make
It is highly practical.
Claims (7)
1. one kind has sleeved remaining needle, including indwelling hose（11）, indwelling needle（1）, extend tube socket（4）, be connected to and stay
Put needle stand（1）With extending tube socket（4）Between extension hose（2）, be installed on extension hose（2）On liquid stopping clamp（3）, its feature
It is：Liquid stopping clamp（3）One end be equipped be securable to indwelling needle（1）Sleeve on side wall inlet（35）, liquid stopping clamp（3）It is logical
Cross the sleeve（35）Hard link fixing device is in indwelling needle（1）Inlet on, avoid because of liquid stopping clamp（3）Swing and cause to prolong
Long soft-pipe（2）Swing and twisted phenomena appearance.
2. remaining needle according to claim 1, it is characterised in that：Sleeve（35）It is arranged at liquid stopping clamp（3）It is upper to be located at only liquid
Folder（3）Openend（33）Opposite direction end position.
3. remaining needle according to claim 1, it is characterised in that：Liquid stopping clamp（3）Press in the upper contact head of contact portion point, lower contact
At least one contact is to use to be different from liquid stopping clamp（3）Hard body can to extend hose（2）Form the bullet of continuous positive pressure
Property contact.
4. remaining needle according to claim 3, it is characterised in that：Liquid stopping clamp（3）Pressing the upper contact head of contact portion point, lower contact is
It is flexible can to extend hose（2）Form the point-like spring contact of continuous positive pressure.
5. remaining needle according to claim 3, it is characterised in that：Liquid stopping clamp（3）Pressing the upper contact head of contact portion point, lower contact is
It is flexible with it is larger clamping area can to extend hose（2）Form the planar spring contact of continuous positive pressure.
6. remaining needle according to claim 1, it is characterised in that：Liquid stopping clamp（3）Intermediate plate（31）With holder（32）Between
Positioned at liquid stopping clamp（3）Being additionally provided with the front portion of contact up and down of pressure contact portion point at least one flexible has larger clamping area
Can to extend hose（2）Form the elastic pressuring clamping device of continuous positive pressure（34）.
7. remaining needle according to claim 6, it is characterised in that：Elastic pressuring clamping device（34）It is formed as one in intermediate plate
（31）Go up and be located at intermediate plate（31）With holder（32）Between hollow cylinder and the combination of spring that is installed in the hollow cylinder
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352653.0A CN104922762B (en) | 2015-06-24 | 2015-06-24 | One kind has sleeved remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352653.0A CN104922762B (en) | 2015-06-24 | 2015-06-24 | One kind has sleeved remaining needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104922762A CN104922762A (en) | 2015-09-23 |
| CN104922762B true CN104922762B (en) | 2018-05-01 |
Family
ID=54110399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510352653.0A Active CN104922762B (en) | 2015-06-24 | 2015-06-24 | One kind has sleeved remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104922762B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105854122B (en) * | 2016-06-08 | 2022-04-12 | 广东龙心医疗器械有限公司 | Anti-thrombus indwelling needle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101035592A (en) * | 2004-07-16 | 2007-09-12 | 卡迪纳尔健康303公司 | Automatic clamp apparatus for IV infusion sets used in pump devices |
| CN202036607U (en) * | 2011-03-28 | 2011-11-16 | 浙江康德莱医疗器械股份有限公司 | Positive pressure fluid stopping clamp |
| CN103861181A (en) * | 2014-03-31 | 2014-06-18 | 苏州市雅思精密模具有限公司 | Positive pressure liquid stop clamp |
| CN203647794U (en) * | 2013-12-26 | 2014-06-18 | 尹建敏 | Safe indwelling needle for blood sampling and transfusing |
| CN204208133U (en) * | 2014-10-21 | 2015-03-18 | 广东龙心医疗器械有限公司 | Liquid stopping clamp |
| CN204890807U (en) * | 2015-06-24 | 2015-12-23 | 湛江健力源医疗用品有限公司 | Keep somewhere needle with sleeve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7654996B2 (en) * | 2002-11-04 | 2010-02-02 | Lawrence Allan Lynn | Catheter flushing fluid lock system and method |
-
2015
- 2015-06-24 CN CN201510352653.0A patent/CN104922762B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101035592A (en) * | 2004-07-16 | 2007-09-12 | 卡迪纳尔健康303公司 | Automatic clamp apparatus for IV infusion sets used in pump devices |
| CN202036607U (en) * | 2011-03-28 | 2011-11-16 | 浙江康德莱医疗器械股份有限公司 | Positive pressure fluid stopping clamp |
| CN203647794U (en) * | 2013-12-26 | 2014-06-18 | 尹建敏 | Safe indwelling needle for blood sampling and transfusing |
| CN103861181A (en) * | 2014-03-31 | 2014-06-18 | 苏州市雅思精密模具有限公司 | Positive pressure liquid stop clamp |
| CN204208133U (en) * | 2014-10-21 | 2015-03-18 | 广东龙心医疗器械有限公司 | Liquid stopping clamp |
| CN204890807U (en) * | 2015-06-24 | 2015-12-23 | 湛江健力源医疗用品有限公司 | Keep somewhere needle with sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104922762A (en) | 2015-09-23 |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: No. 679 Guangyuan Road, Longtou Town, Potou District, Zhanjiang City, Guangdong Province, 524001 Patentee after: Zhanjiang Jianliyuan Medical Supplies Co.,Ltd. Address before: 524043 No. 26, Renmin Avenue Middle, Zhanjiang City, Guangdong Province Patentee before: ZHANJIANG JIANLIYUAN MEDICAL PRODUCTS Co.,Ltd. |