CN104922758A - Remaining needle with elastic contact - Google Patents
Remaining needle with elastic contact Download PDFInfo
- Publication number
- CN104922758A CN104922758A CN201510352153.7A CN201510352153A CN104922758A CN 104922758 A CN104922758 A CN 104922758A CN 201510352153 A CN201510352153 A CN 201510352153A CN 104922758 A CN104922758 A CN 104922758A
- Authority
- CN
- China
- Prior art keywords
- stopping clamp
- liquid stopping
- contact
- flexible pipe
- pressure
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A remaining needle with an elastic contact comprises a remaining soft pipe, a remaining needle base, an extending pipe base, an extending soft pipe connected between the remaining needle base and the extending pipe base and a liquid stopping clamp arranged on the extending soft pipe. The remaining needle is characterized in that at least one of an upper contact and a lower contact of a pressing-contacting part of the liquid stopping clamp is an elastic contact which can form continuous positive pressure on the extending soft pipe with different liquid stopping clamp hard bodies. The liquid stopping clamp structure with the elastic contact is used, the elastic pressure between the upper contact and the lower contact is larger than human body venous pressure, blood back flowing is effectively prevented, the extending pipe is clamped, and the problem that liquid at the back end enters the remaining soft pipe is avoided. When large external force is applied to the back end of the extending pipe and the external force is larger than the pressure between the elastic contacts of the liquid stopping clamp, the elastic contacts can be slightly stretched so that high-pressure liquid in the back portion of a cavity of the extending pipe can pass, positive pressure is formed in the remaining soft pipe and a front cavity of the extending pipe, and blood flowing back into the remaining soft pipe is forced to flow back to into a blood vessel.
Description
Technical field
The present invention relates to a kind of remaining needle, belong to technical field of medical instruments.
Background technology
Existing remaining needle generally comprises indwelling flexible pipe, indwelling needle, prolongation base, is connected to indwelling needle and extends prolongation flexible pipe between base, is installed on the liquid stopping clamp extended on flexible pipe, and existing liquid stopping clamp generally comprises holder, the integrated device intermediate plate on holder, holder is placed through and extends on flexible pipe, can be clamped extend flexible pipe to be formed and stops liquid by coordinating of intermediate plate and holder.But because existing liquid stopping clamp is clamping in the process extending flexible pipe because the prolongation flexible pipe of clamping has a resilience after the intermediate plate of liquid stopping clamp unclamps, the prolongation flexible pipe of former clamping is made to form an elastic rebound and cause blood backflow to arrive in indwelling flexible pipe, cause blood backflow and form thrombosis, affecting the serviceability of remaining needle.Simultaneously because the tip of indwelling flexible pipe is open, change with patient respiration and heart beating the pressure oscillation brought also to there will be blood back and platelet and blood coagulation substance and enter into the phenomenon causing blood coagulation plugging in indwelling flexible pipe, particularly because liquid stopping clamp is installed in extension tube actively, in infusion-completed and the process after stopping liquid, liquid stopping clamp easily swings on indwelling needle, the liquid extended in flexible pipe is caused to produce siphonage and be drawn back into by vessel inner blood in indwelling flexible pipe, cause blood backflow and form thrombosis, have a strong impact on the service time of remaining needle, therefore existing remaining needle generally can only use just remaining needle must be pulled out because of the formation of thrombosis for 1-2 days, the remaining needle more renewed.
Summary of the invention
The object of the invention is to the existence for the problems referred to above and deficiency, provide a kind of structure simple, only liquid effect stability reliable, can effectively avoid thrombotic remaining needle.
Technical scheme of the present invention is achieved in that
A kind of remaining needle with spring contact, comprise indwelling flexible pipe, indwelling needle, prolongation base, be connected to indwelling needle and extend prolongation flexible pipe between base, be installed on the liquid stopping clamp extended on flexible pipe, described liquid stopping clamp pressure touch in the upper contact head of part, lower contact has at least a contact be adopt be different from the rigid body of liquid stopping clamp can to the spring contact extending flexible pipe formation continuous positive pressure.
The structure composition that above-mentioned liquid stopping clamp pressure touches contact up and down is partly varied, can be that above-mentioned liquid stopping clamp pressure touches the upper contact head of part, lower contact is all have the elastic point-like spring contact that can form continuous positive pressure to prolongation flexible pipe.Also can be that above-mentioned liquid stopping clamp presses the upper contact head touching part to be have the elastic point-like spring contact that can form continuous positive pressure to prolongation flexible pipe, lower contact be the hard point-like contact identical with liquid stopping clamp body.Also can be that above-mentioned liquid stopping clamp presses the lower contact touching part to be have the elastic point-like spring contact that can form continuous positive pressure to prolongation flexible pipe, upper contact head be the hard point-like contact identical with liquid stopping clamp body.Also can be that above-mentioned liquid stopping clamp presses the contact up and down touching part to be have the elastic planar spring contact that can form continuous positive pressure to prolongation flexible pipe with larger clamping area.Also can be that above-mentioned liquid stopping clamp presses the upper contact head touching part to be have the elastic planar spring contact that can form continuous positive pressure to prolongation flexible pipe with larger clamping area, lower contact be the hard planar contact identical with liquid stopping clamp body.Also can be that above-mentioned liquid stopping clamp presses the lower contact touching part to be have the elastic planar spring contact that can form continuous positive pressure to prolongation flexible pipe with larger clamping area, upper contact head be the hard planar contact identical with liquid stopping clamp body.
For improving the formation that malleation of the present invention is stopped liquid effect and avoided thrombosis further, ensure that liquid stopping clamp can not drive the bending of the prolongation flexible pipe between liquid stopping clamp and indwelling needle or opisthotonos, one end of above-mentioned liquid stopping clamp is provided with the sleeve that can be fixed on indwelling needle sidewall inlet, liquid stopping clamp, is avoided causing because liquid stopping clamp swings extending the swing of flexible pipe and the appearance of twisted phenomena by this sleeve Hard link fixture on the inlet of indwelling needle.Now, for improving range of application of the present invention and practicality further, make the present invention can strengthen the working place of medical personnel in operation and reduce the probability that medical personnel touch extension tube, avoid the blood siphonage that the swing owing to extending flexible pipe causes.And facilitate medical personnel's one-handed performance, right-hand man's operation is simultaneously convenient too, solve the medical personnel that original left hand is conventional hands, open the shortcoming that clamp left hand is difficult to open, simultaneously also can reducing liquid stopping clamp because of being fixed on the foreign body sensation that indwelling needle causes, making its angle and remaining needle Y shape seat form a triangle body, reduction liquid stopping clamp is blown out scope, hands can be made to reduce when activity and collide the chance that liquid stopping clamp touches the movement making Y shape seat, the indwelling flexible pipe caused is in the chance of Ink vessel transfusing opisthotonos.Above-mentioned sleeve is arranged at opposite direction end position liquid stopping clamp being positioned at liquid stopping clamp opening.
The present invention has the liquid stopping clamp structure of spring contact owing to adopting, the elastic pressure between upper contact head, lower contact is greater than the pressure of human vein pressure, both effectively stops blood backflow, clamps again extension tube and avoids the liquid of rear end to enter in indwelling flexible pipe.When liquid stopping clamp is in the transients of clamping extension tube, both the blood siphonage extending flexible pipe resilience and cause had been reduced, continue to compress by the elastic pressure between spring contact again and extend flexible pipe, in the anterior cavity of prolongation flexible pipe and indwelling flexible pipe, form lasting malleation and stop blood backflow.During remaining needle indwelling, utilize again elastic pressuring clamping device to the continuous positive pressure of indwelling flexible pipe, make to produce blood backflow because of venous pressure fluctuation in indwelling flexible pipe, and when applying larger external force in extension tube rear end, during the pressure that this external force is greater than between liquid stopping clamp spring contact, the spring contact of liquid stopping clamp can be allowed the highly pressurised liquid in extension tube chamber rear pass through by slightly strutting, and enter in indwelling flexible pipe, thus continuous positive pressure is formed again in indwelling flexible pipe and in the anterior cavity of extension tube, being forced by the blood be back in indwelling flexible pipe gets back in blood vessel, reach the object of preventing thrombosis and the service time extending remaining needle to 7-10 days, reduce the increase of misery that patient brings because of repeated localised puncture and medical expense.Especially, the sleeve structure of liquid stopping clamp makes liquid stopping clamp Hard link be fixed on indwelling needle, avoid causing because liquid stopping clamp swings extending the swing of flexible pipe and the appearance of twisted phenomena, effectively prevent indwelling needle end extension tube and to swing and distortion causes siphonage to make blood backflow in indwelling needle.The interaction of continuous positive pressure device and sleeve pipe simultaneously makes the liquid in indwelling needle form a continuous positive pressure, further avoid the backflow of blood, reaches the object of preventing thrombosis, and structure of the present invention is simple, makes easily practical.
Realization of the present invention is described in detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the liquid stopping clamp open mode structural representation of first embodiment of the invention.
Fig. 2 is the liquid stopping clamp clamped condition structural representation of first embodiment of the invention.
Fig. 3 is the liquid stopping clamp open mode structural representation of second embodiment of the invention.
Fig. 4 is the liquid stopping clamp clamped condition structural representation of second embodiment of the invention.
Fig. 5 is the liquid stopping clamp open mode structural representation of third embodiment of the invention.
Fig. 6 is the liquid stopping clamp clamped condition structural representation of third embodiment of the invention.
Fig. 7 is the liquid stopping clamp open mode structural representation of fourth embodiment of the invention.
Fig. 8 is the liquid stopping clamp clamped condition structural representation of fourth embodiment of the invention.
Detailed description of the invention
As shown in Figures 1 to 8, a kind of remaining needle with spring contact of the present invention comprises indwelling flexible pipe 11, indwelling needle 1, extends base 4, is connected to indwelling needle 1 and extends prolongation flexible pipe 2 between base 4, is installed on the liquid stopping clamp 3 extended on flexible pipe 2, described liquid stopping clamp 3 press touch part upper contact head 31, has at least a contact to be adopt the spring contact that can form continuous positive pressure to prolongation flexible pipe 2 being different from the rigid body of liquid stopping clamp 3 in lower contact 32.Above-mentioned liquid stopping clamp 3 is pressed and is touched upper contact head 31 partly, the structure of lower contact 32 forms varied, can be as shown in Figures 1 to 6, the upper contact head 31 of the tactile part of above-mentioned liquid stopping clamp 3 pressure, lower contact 32 be all have the elastic point-like spring contact that can form continuous positive pressure to prolongation flexible pipe 2.Also can be that above-mentioned liquid stopping clamp 3 presses the upper contact head 31 touching part to be have the elastic point-like spring contact that can form continuous positive pressure to prolongation flexible pipe 2, lower contact 32 be the hard point-like contact identical with liquid stopping clamp 3 body.Also can be that above-mentioned liquid stopping clamp 3 presses the lower contact 32 touching part to be have the elastic point-like spring contact that can form continuous positive pressure to prolongation flexible pipe 2, upper contact head 31 be the hard point-like contact identical with liquid stopping clamp 3 body.Also can be that the upper contact head 31 of the tactile part of above-mentioned liquid stopping clamp 3 pressure, lower contact 32 are all have the elastic planar spring contact that can form continuous positive pressure to prolongation flexible pipe 2 with larger clamping area as shown in Fig. 7 to Fig. 8.Also can be that above-mentioned liquid stopping clamp 3 presses the upper contact head touching part to be have the elastic planar spring contact that can form continuous positive pressure to prolongation flexible pipe 2 with larger clamping area, lower contact 32 be the hard planar contact identical with liquid stopping clamp 3 body.Also can be that above-mentioned liquid stopping clamp 3 presses the lower contact 32 touching part to be have the elastic planar spring contact that can form continuous positive pressure to prolongation flexible pipe 2 with larger clamping area, upper contact head 31 be the hard planar contact identical with liquid stopping clamp 3 body.The present invention has liquid stopping clamp 3 structure of spring contact owing to adopting, the elastic pressure between upper contact head 31, lower contact 32 is greater than the pressure of human vein pressure, both effectively stops blood backflow, and clamping prolongation flexible pipe 2 avoids the liquid of rear end to enter in indwelling flexible pipe 11 again.When liquid stopping clamp 3 extends in the transients of flexible pipe 2 in clamping, both the blood siphonage extending flexible pipe 2 resilience and cause had been reduced, continue to compress by the elastic pressure between spring contact again and extend flexible pipe 2, in the prolongation anterior cavity of flexible pipe 2 and indwelling flexible pipe 11, form lasting malleation and stop blood backflow.During remaining needle indwelling, utilize again elastic pressuring clamping device to the continuous positive pressure of indwelling flexible pipe 1, make to produce blood backflow because of venous pressure fluctuation in indwelling flexible pipe 11, and when applying larger external force in prolongation flexible pipe 2 rear end, during the pressure that this external force is greater than between liquid stopping clamp spring contact, the spring contact of liquid stopping clamp 3 can be allowed the highly pressurised liquid extended in flexible pipe 2 chamber rear pass through by slightly strutting, and enter in indwelling flexible pipe 11, thus continuous positive pressure is formed again in indwelling flexible pipe 11 and in the anterior cavity of prolongation flexible pipe 2, being forced by the blood be back in indwelling flexible pipe 11 gets back in blood vessel, reach the object of preventing thrombosis and the service time extending remaining needle to 7-10 days, reduce the increase of misery that patient brings because of repeated localised puncture and medical expense.
For improving the formation that malleation of the present invention is stopped liquid effect and avoided thrombosis further, ensure that liquid stopping clamp 3 can not drive the bending of the prolongation flexible pipe 2 between liquid stopping clamp 3 and indwelling needle 1 or opisthotonos, as shown in Figures 3 to 8, one end of above-mentioned liquid stopping clamp 3 is provided with the sleeve 35 that can be fixed on indwelling needle 1 sidewall inlet, liquid stopping clamp 3, is avoided causing the prolongation swing of flexible pipe 2 and the appearance of twisted phenomena because liquid stopping clamp 3 swings by this sleeve 35 Hard link fixture on the inlet of indwelling needle 1.Now, for improving range of application of the present invention and practicality further, make the present invention can strengthen the working place of medical personnel in operation and reduce the probability that medical personnel touch prolongation flexible pipe 2, avoid the blood siphonage that the swing owing to extending flexible pipe 2 causes.And facilitate medical personnel's one-handed performance, right-hand man's operation is simultaneously convenient too, solve the medical personnel that original left hand is conventional hands, open the shortcoming that clamp left hand is difficult to open, also can reduce liquid stopping clamp 3 because being fixed on the foreign body sensation that indwelling needle 1 causes simultaneously, its angle and remaining needle Y shape seat is made to form a triangle body, reduce liquid stopping clamp 3 to blow out scope, hands can be made when activity to reduce collision liquid stopping clamp 3 and touch the chance making the movement of Y shape seat, the indwelling flexible pipe 11 caused is in the chance of Ink vessel transfusing opisthotonos.As shown in Figure 5 to Figure 6, above-mentioned sleeve 35 is arranged at opposite direction end position liquid stopping clamp 3 being positioned at liquid stopping clamp 3 opening 33.The sleeve structure of liquid stopping clamp 3 makes liquid stopping clamp 3 Hard link be fixed on indwelling needle 1, avoid causing because liquid stopping clamp 3 swings and extend the swing of flexible pipe 2 and the appearance of twisted phenomena, effectively prevent indwelling needle 1 end and extend flexible pipe 2 and to swing and distortion causes siphonage to make blood backflow in indwelling needle 1.The interaction of continuous positive pressure device and sleeve 35 simultaneously makes the liquid in indwelling needle 1 form a continuous positive pressure, further avoid the backflow of blood, reaches the object of preventing thrombosis, and structure of the present invention is simple, makes easily practical.
Claims (9)
1. one kind has the remaining needle of spring contact, comprise indwelling flexible pipe (11), indwelling needle (1), extend base (4), be connected to indwelling needle (1) with the prolongation flexible pipe (2) extended between base (4), be installed on the liquid stopping clamp (3) extended on flexible pipe (2), it is characterized in that described liquid stopping clamp (3) pressure touch in the upper contact head (31) of part, lower contact (32) have at least a contact be adopt be different from liquid stopping clamp (3) hard body can to the spring contact of prolongation flexible pipe (2) formation continuous positive pressure.
2. remaining needle according to claim 1, is characterized in that above-mentioned liquid stopping clamp (3) pressure touches upper contact head (31) partly, lower contact (32) is all have the elastic point-like spring contact that can form continuous positive pressure to prolongation flexible pipe (2).
3. remaining needle according to claim 1, it is characterized in that above-mentioned liquid stopping clamp (3) pressure touches upper contact head (31) is partly have the elastic point-like spring contact that can form continuous positive pressure to prolongation flexible pipe (2), and lower contact (32) is the hard point-like contact identical with liquid stopping clamp (3) body.
4. remaining needle according to claim 1, it is characterized in that above-mentioned liquid stopping clamp (3) pressure touches lower contact (32) is partly have the elastic point-like spring contact that can form continuous positive pressure to prolongation flexible pipe (2), and upper contact head (31) is the hard point-like contact identical with liquid stopping clamp (3) body.
5. remaining needle according to claim 1, is characterized in that above-mentioned liquid stopping clamp (3) pressure touches upper contact head (31) partly, lower contact (32) is all have the elastic planar spring contact that can form continuous positive pressure to prolongation flexible pipe (2) with larger clamping area.
6. remaining needle according to claim 1, it is characterized in that above-mentioned liquid stopping clamp (3) pressure touches upper contact head (31) is partly have the elastic planar spring contact that can form continuous positive pressure to prolongation flexible pipe (2) with larger clamping area, and lower contact (32) is the hard planar contact identical with liquid stopping clamp (3) body.
7. remaining needle according to claim 1, it is characterized in that above-mentioned liquid stopping clamp (3) pressure touches lower contact (32) is partly have the elastic planar spring contact that can form continuous positive pressure to prolongation flexible pipe (2) with larger clamping area, and upper contact head (31) is the hard planar contact identical with liquid stopping clamp (3) body.
8. remaining needle according to claim 1, it is characterized in that one end of above-mentioned liquid stopping clamp (3) is provided with the sleeve (35) that can be fixed on indwelling needle (1) sidewall inlet, liquid stopping clamp (3), is avoided causing the swing of prolongation flexible pipe (2) and the appearance of twisted phenomena because liquid stopping clamp swings by this sleeve (35) Hard link fixture on the inlet of indwelling needle (1).
9. remaining needle according to claim 8, is characterized in that above-mentioned sleeve (35) is arranged at opposite direction end position liquid stopping clamp (3) being positioned at liquid stopping clamp (3) opening (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352153.7A CN104922758B (en) | 2015-06-24 | 2015-06-24 | A kind of remaining needle of flexible contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352153.7A CN104922758B (en) | 2015-06-24 | 2015-06-24 | A kind of remaining needle of flexible contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104922758A true CN104922758A (en) | 2015-09-23 |
| CN104922758B CN104922758B (en) | 2018-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510352153.7A Active CN104922758B (en) | 2015-06-24 | 2015-06-24 | A kind of remaining needle of flexible contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104922758B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194764A (en) * | 2015-09-30 | 2015-12-30 | 上卫医疗器械（苏州）有限公司 | Liquid flow stop clamp |
| CN105709296A (en) * | 2016-04-08 | 2016-06-29 | 广东先来医疗器械有限公司 | Straight-tube anti-thrombus venous indwelling needle |
| CN107998485A (en) * | 2016-10-28 | 2018-05-08 | 邹最 | A kind of preventing thrombosis for venous transfusion is flexible to stop liquid structure and only liquid suit |
| WO2022048132A1 (en) * | 2020-09-02 | 2022-03-10 | 苏州林华医疗器械股份有限公司 | Continuous positive pressure maintaining needle |
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| 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 |
| CN201847966U (en) * | 2010-09-29 | 2011-06-01 | 柳丰萍 | Easy-blood-returning infusion needle |
| CN202314702U (en) * | 2011-11-09 | 2012-07-11 | 王海红 | Medical retention needle with elastic positive pressure tube sealing 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 |
| CN204017024U (en) * | 2014-08-22 | 2014-12-17 | 嘉兴市天和制药有限公司 | Vessel clamp |
| CN104399143A (en) * | 2014-12-01 | 2015-03-11 | 邹卫平 | An indwelling needle with a slow-release positive pressure device |
| CN204208133U (en) * | 2014-10-21 | 2015-03-18 | 广东龙心医疗器械有限公司 | Liquid stopping clamp |
| CN204766840U (en) * | 2015-06-24 | 2015-11-18 | 陈伟权 | Keep somewhere needle with spring contact |
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2015
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060015074A1 (en) * | 2002-11-04 | 2006-01-19 | Lynn Lawrence A | Catheter flushing fluid lock system and method |
| 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 |
| CN201847966U (en) * | 2010-09-29 | 2011-06-01 | 柳丰萍 | Easy-blood-returning infusion needle |
| CN202314702U (en) * | 2011-11-09 | 2012-07-11 | 王海红 | Medical retention needle with elastic positive pressure tube sealing clamp |
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| 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 |
| CN204017024U (en) * | 2014-08-22 | 2014-12-17 | 嘉兴市天和制药有限公司 | Vessel clamp |
| CN204208133U (en) * | 2014-10-21 | 2015-03-18 | 广东龙心医疗器械有限公司 | Liquid stopping clamp |
| CN104399143A (en) * | 2014-12-01 | 2015-03-11 | 邹卫平 | An indwelling needle with a slow-release positive pressure device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105194764A (en) * | 2015-09-30 | 2015-12-30 | 上卫医疗器械（苏州）有限公司 | Liquid flow stop clamp |
| CN105709296A (en) * | 2016-04-08 | 2016-06-29 | 广东先来医疗器械有限公司 | Straight-tube anti-thrombus venous indwelling needle |
| CN107998485A (en) * | 2016-10-28 | 2018-05-08 | 邹最 | A kind of preventing thrombosis for venous transfusion is flexible to stop liquid structure and only liquid suit |
| WO2022048132A1 (en) * | 2020-09-02 | 2022-03-10 | 苏州林华医疗器械股份有限公司 | Continuous positive pressure maintaining needle |
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|---|---|
| CN104922758B (en) | 2018-03-16 |
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