CN104324431A - Medical infusion hose and anti-thrombotic vein detained needle - Google Patents
Medical infusion hose and anti-thrombotic vein detained needle Download PDFInfo
- Publication number
- CN104324431A CN104324431A CN201410651153.2A CN201410651153A CN104324431A CN 104324431 A CN104324431 A CN 104324431A CN 201410651153 A CN201410651153 A CN 201410651153A CN 104324431 A CN104324431 A CN 104324431A
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- China
- Prior art keywords
- needle
- flexible pipe
- indwelling
- medical infusion
- hose
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- 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.)
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Classifications
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- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
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- 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
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a medical infusion hose and an anti-thrombotic vein detained needle. The medical infusion hose consists of a hose body and a clamp for clamping the hose body; the inner wall of the hose body is provided with a strip bulge or a strip groove along the axis direction. The anti-thrombotic vein detained needle is provided with the medical infusion hose. As the medical infusion hose adopts the structural form, after the clamp clamps the hose body, the clamp is not completely enclosed, the strip bulge or the strip groove can enable the hose body to remain an extremely small gap for slowly releasing hydraulic pressure, positive pressure is slowly released, the time for keeping the positive pressure is greatly prolonged, and the backflow of blood is effectively avoided, so that the formation of thrombus in the detained hose is avoided; the most critical advantage is that the strip bulge is integrally formed with the hose body, the problem that a drainage strip possibly falls off in a drainage hose is solved, and potential safety hazards existing in the infusion treatment process are radically eliminated.
Description
Technical field
The present invention relates to a kind of medical instruments, specifically a kind of medical infusion flexible pipe and preventing thrombosis venous detaining needle.
Background technology
Conventional medical infusion refers to that metal transfusion needle stays the infusion model in human body, and it is flexible pipe that venous detaining needle to refer in the process of transfusion that indwelling is endovascular, instead of traditional metal needle, can reduce like this in infusion process, to the injury of patient body.
Above-mentioned venous detaining needle is easy and simple to handle, is applicable to the puncture at any position, alleviates the misery of patient's repeated localised puncture simultaneously, alleviates the workload of nursing staff, and dark being protected suffers from welcome clinically.But venous detaining needle, in time-out transfusion, and is retained in the process of vein blood vessel, owing to forming thrombosis in blood backflow to flexible pipe, thus blocking infusion channel.In recent years, there is the patented product of many " positive pressure connector " and " counterflow-preventing ", but all the time can not the formation of anti-tampon, after utilizing existing remaining needle to complete transfusion, in order to pre-blockage resisting infusion channel, normal saline washing pipe must be used, complete rear heparin sodium tube sealing, within every 6 to 8 hours, carry out siphunculus again, therefore workload is very large, in addition, when using traditional remaining needle, when carrying out the care program of siphunculus, can a large amount of thrombosis be poured in the blood vessel of human body, produce very serious potential risk, heavy then occur must muscle infarction, apoplexy etc., there is red and swollen pain in the light then injection site of patient, injury is brought to patient, further, above-mentioned care program, need the expense of spending washing pipe liquid, the expense of tube-sealing solution and the expense of labor of nursing, these expenses are well beyond the price of remaining needle itself, therefore medical treatment cost is higher.
Patent Office of the People's Republic of China disclosed on October 2nd, 2013
open (bulletin) number iscN103330970A, patent name is the patent of self-styled preventing thrombosis venous detaining needle and using method thereof, this patent discloses a kind of self-styled preventing thrombosis venous detaining needle and using method thereof, this self-styled preventing thrombosis venous detaining needle comprises needle stand, be arranged on the conduit of needle stand front end and the puncture needle core axially across described needle stand and conduit, the inner chamber of described needle stand is cut off part and is divided into plemum and transfusing chamber two parts, described transfusing chamber is communicated with described conduit, and described obstruct section adopts medical encapsulant; Described obstruct section is provided with seepage channel, and for when described plemum and transfusing chamber exist pressure differential, the liquid in described plemum can flow into described transfusing chamber through described seepage channel automatic slowly.Self-styled preventing thrombosis venous detaining needle of the present invention and using method thereof have following Advantageous Effects; Routinely during operation suspension transfusion, automatic pipe sealing, the liquid in plemum slowly flows into transfusing chamber by described seepage channel; Along with the pressure reduction between plemum and transfusing chamber reduces, percolation flow velocity also can slow down thereupon, makes described plemum can maintain malleation for a long time.This Patent Application Publication is that the applicant researches and develops, its technical scheme, the greatest drawback existed is: this patent, in the process used, be unable to do without transfusion needle, if be directly connected with needle stand with the joint of transfusion device, then cannot infuse, and above-mentioned patent structure is complicated, technological requirement is high, during use, operate loaded down with trivial details, therefore for above-mentioned defect, therefore have developed this patent, above-mentioned technical scheme is improved, to meet the needs of real work.
In addition, the applicant is in the past for the problems referred to above, apply for preventing thrombosis venous detaining needle, particular content comprises indwelling needle, indwelling flexible pipe, puncture needle and extension tube, the sidewall of indwelling needle is provided with medicinal liquid input port, one end of indwelling needle is provided with medicinal liquid delivery outlet, indwelling flexible pipe is connected with the medicinal liquid delivery outlet of indwelling needle, the needle point of puncture needle penetrates in indwelling needle from the other end of indwelling needle, pass from indwelling flexible pipe through medicinal liquid delivery outlet, it is characterized in that: also comprise conduction hose, drainage strip and fixture, one end of described conduction hose is connected with medicinal liquid input port, the other end is connected with one end of extension tube, described drainage strip is located in conduction hose, described fixture, in order to be clipped on conduction hose.Above-mentioned technology contents causes very large attention in the exhibition of this medicine instrument, and obtains large quantities of orders.Although technique scheme has splendid technique effect, designer finds, drainage strip likely comes off in conduction hose, once the Ink vessel transfusing entering human body will cause great danger.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, a kind of formation effectively avoiding thrombosis in indwelling flexible pipe is provided, but also safe and reliable medical infusion flexible pipe.
Another object of the present invention is to provide a kind of preventing thrombosis venous detaining needle that make use of above-mentioned medical infusion flexible pipe.
For achieving the above object, the technical solution adopted in the present invention is:
A kind of medical infusion flexible pipe, it be by hookah bodies and and form in order to the fixture be clamped on hookah bodies, the internal face of described hookah bodies is provided with strip projected parts or strip groove along axis direction.
Described fixture is one-hand clip, one-hand clip or actuator, preferred one-hand clip.
A kind of preventing thrombosis venous detaining needle, comprise indwelling needle, indwelling flexible pipe, puncture needle and extension tube, the sidewall of indwelling needle is provided with medicinal liquid input port, one end of indwelling needle is provided with medicinal liquid delivery outlet, indwelling flexible pipe is connected with the medicinal liquid delivery outlet of indwelling needle, the needle point of puncture needle penetrates in indwelling needle from the other end of indwelling needle, pass from indwelling flexible pipe through medicinal liquid delivery outlet, also comprise above-mentioned medical infusion flexible pipe, one end of hookah bodies in described medical infusion flexible pipe is connected with medicinal liquid input port, and the other end is connected with one end of extension tube.
Also comprise batcher, described batcher is located in indwelling needle, and the needle point of described puncture needle passes from batcher.
The other end of described extension tube is connected with transfusion device by calparine cap or positive pressure connector.
In described medical infusion flexible pipe, the length of hookah bodies is 2 ~ 3cm, and the diameter of hookah bodies is not more than the external diameter of extension tube.
Beneficial effect of the present invention:
Owing to being provided with strip projected parts along axis direction or having strip groove on the internal face of hookah bodies, after hookah bodies clamps by fixture, thoroughly do not close, strip projected parts or strip groove can make hookah bodies leave superfine small gap for hydraulic pressure slow releasing, now, although medicinal liquid stopped flowing, again the actuator on transfusion device cuts out, hydraulic pressure in extension tube is strengthened, medicinal liquid in extension tube penetrates in indwelling flexible pipe by superfine small gap, thus malleation is obtained discharge slowly, substantially prolongs the time keeping malleation, effectively prevent the backflow of blood, thus avoid the formation of thrombosis in indwelling flexible pipe, the advantage of most critical is strip projected parts or strip groove and hookah bodies is integrated, solve the problem that drainage strip likely comes off in conduction hose, completely eliminate the potential safety hazard existed in infusion treatment process, also automated production is conducive to, reduce costs.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the structural representation of a kind of medical infusion flexible pipe of the present invention;
Fig. 2 is the schematic cross-section being provided with the hookah bodies of strip projected parts amplified shown in Fig. 1;
Fig. 3 is the schematic cross-section being provided with the hookah bodies of strip groove amplified shown in Fig. 1;
Fig. 4 is the structural representation of a kind of preventing thrombosis venous detaining needle of the present invention.
In figure: 1, indwelling needle; 2, indwelling flexible pipe; 3, puncture needle; 4, batcher; 5, extension tube; 6, medicinal liquid delivery outlet; 7, medicinal liquid input port; 8, hookah bodies; 9, strip projected parts; 10, fixture; 11, calparine cap; 12, positive pressure connector; 13, transfusion device; 14, actuator; 15, strip groove; 16, medical infusion flexible pipe.
Detailed description of the invention
As shown in Figure 1, 2, a kind of medical infusion flexible pipe 16, it be by hookah bodies 8 and and form in order to the fixture 10 be clamped on hookah bodies 8, the internal face of described hookah bodies 8 is provided with strip projected parts 9 along axis direction.
In addition, as shown in Figure 3, a kind of medical infusion flexible pipe 16, it be by hookah bodies 8 and and form in order to the fixture 10 be clamped on hookah bodies 8, the internal face of described hookah bodies 8 has strip groove 15 along axis direction.
As Fig. 1, 2, shown in 4, preventing thrombosis venous detaining needle, comprise indwelling needle 1, indwelling flexible pipe 2, puncture needle 3, batcher 4 and extension tube 5, described batcher 4 is located in indwelling needle 1, the sidewall of indwelling needle 1 is provided with medicinal liquid input port 7, one end of indwelling needle is provided with medicinal liquid delivery outlet 6, indwelling flexible pipe 2 is connected with the medicinal liquid delivery outlet 6 of indwelling needle, the needle point of puncture needle 3 penetrates in indwelling needle 1 from the other end of indwelling needle 1, through batcher 4, medicinal liquid delivery outlet 6 passes from indwelling flexible pipe 2, also comprise medical infusion flexible pipe 16, one end of hookah bodies 8 in described medical infusion flexible pipe 16 is connected with medicinal liquid input port 7, the other end is connected with one end of extension tube 5, the length of described hookah bodies 8 is 2 ~ 3cm, the diameter of hookah bodies 8 is not more than the external diameter of extension tube.Described batcher 4 is 1 ~ 2mm with the spacing of medicinal liquid delivery outlet 6.
The other end of the extension tube 5 of preventing thrombosis venous detaining needle is connected with transfusion device 13 by calparine cap 11.
The method of preventing thrombosis venous detaining needle preventing thrombosis, comprises the following steps: when A, stopping infusion, uses clamp conduction hose, stops the flowing of medicinal liquid; The actuator 14 of B, close transfusion device 13, the transfusion needle on transfusion device is extracted from calparine cap 11, and transfusion device is separated with calparine cap, and now the hydraulic pressure of extension tube 5 is greater than the pressure in indwelling flexible pipe 2; C, under the effect of hydraulic pressure, the medicinal liquid of extension tube penetrates in indwelling flexible pipe by the strip projected parts in hookah bodies or strip groove gradually, stops blood backflow in indwelling flexible pipe, thus avoids the formation of thrombosis in indwelling flexible pipe.
The above is the preferred embodiment of the present invention; certainly the interest field of the present invention can not be limited with this; should be understood that; for those skilled in the art; technical scheme of the present invention is modified or equivalent replacement, do not depart from the protection domain of technical solution of the present invention.
Claims (6)
1. a medical infusion flexible pipe, is characterized in that: it be by hookah bodies and and form in order to the fixture be clamped on hookah bodies, the internal face of described hookah bodies is provided with strip projected parts or strip groove along axis direction.
2. medical infusion flexible pipe according to claim 1, is characterized in that: described fixture is one-hand clip, one-hand clip or actuator.
3. a preventing thrombosis venous detaining needle, comprise indwelling needle, indwelling flexible pipe, puncture needle and extension tube, the sidewall of indwelling needle is provided with medicinal liquid input port, one end of indwelling needle is provided with medicinal liquid delivery outlet, indwelling flexible pipe is connected with the medicinal liquid delivery outlet of indwelling needle, the needle point of puncture needle penetrates in indwelling needle from the other end of indwelling needle, pass from indwelling flexible pipe through medicinal liquid delivery outlet, it is characterized in that: also comprise medical infusion flexible pipe according to claim 1, one end of hookah bodies in described medical infusion flexible pipe is connected with medicinal liquid input port, the other end is connected with one end of extension tube.
4. preventing thrombosis venous detaining needle according to claim 3, is characterized in that: the other end of described extension tube is connected with transfusion device by calparine cap or positive pressure connector.
5. preventing thrombosis venous detaining needle according to claim 3, is characterized in that: in described medical infusion flexible pipe, the length of hookah bodies is 2 ~ 3cm, and the diameter of hookah bodies is not more than the external diameter of extension tube.
6. preventing thrombosis venous detaining needle according to claim 3, is characterized in that: also comprise batcher, and described batcher is located in indwelling needle, and the needle point of described puncture needle passes from batcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410651153.2A CN104324431A (en) | 2014-11-17 | 2014-11-17 | Medical infusion hose and anti-thrombotic vein detained needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410651153.2A CN104324431A (en) | 2014-11-17 | 2014-11-17 | Medical infusion hose and anti-thrombotic vein detained needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104324431A true CN104324431A (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410651153.2A Pending CN104324431A (en) | 2014-11-17 | 2014-11-17 | Medical infusion hose and anti-thrombotic vein detained needle |
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| Country | Link |
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| CN (1) | CN104324431A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105944185A (en) * | 2016-04-06 | 2016-09-21 | 欧阳小青 | Thrombosis-preventing blood-stopping clip |
| CN106267449A (en) * | 2015-05-14 | 2017-01-04 | 广东龙心医疗器械有限公司 | Single use preventing thrombosis remaining needle |
| CN109276779A (en) * | 2018-09-17 | 2019-01-29 | 南京市第医院 | A kind of multi-functional remaining needle |
| CN110585526A (en) * | 2019-10-29 | 2019-12-20 | 内蒙古民族大学附属医院 | Infusion device with non-return function for low-speed infusion |
| CN110585526B (en) * | 2019-10-29 | 2024-05-31 | 内蒙古民族大学附属医院 | Infusion device with non-return function for low-speed infusion |
-
2014
- 2014-11-17 CN CN201410651153.2A patent/CN104324431A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267449A (en) * | 2015-05-14 | 2017-01-04 | 广东龙心医疗器械有限公司 | Single use preventing thrombosis remaining needle |
| CN106267449B (en) * | 2015-05-14 | 2020-03-17 | 广东龙心医疗器械有限公司 | Disposable anti-thrombus indwelling needle |
| CN105944185A (en) * | 2016-04-06 | 2016-09-21 | 欧阳小青 | Thrombosis-preventing blood-stopping clip |
| CN109276779A (en) * | 2018-09-17 | 2019-01-29 | 南京市第医院 | A kind of multi-functional remaining needle |
| CN109276779B (en) * | 2018-09-17 | 2020-12-29 | 南京市第一医院 | Multifunctional remaining needle |
| CN110585526A (en) * | 2019-10-29 | 2019-12-20 | 内蒙古民族大学附属医院 | Infusion device with non-return function for low-speed infusion |
| CN110585526B (en) * | 2019-10-29 | 2024-05-31 | 内蒙古民族大学附属医院 | Infusion device with non-return function for low-speed infusion |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| ASS | Succession or assignment of patent right |
Owner name: BEIJING WANYUAN PUDA MEDICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIE SHIGENG Effective date: 20150702 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20150702 Address after: 100085 02C, room B, No. 28, information road, No. two, Haidian District, Beijing, room -482 Applicant after: BEIJING WANYUAN PUDA MEDICAL TECHNOLOGY CO., LTD. Address before: 525400 Guangdong Province, Maoming City Bei Lu Xi Si Dianbai District People's Street No. 71 Applicant before: Xie Shigeng |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150204 |