CN204233527U - A kind of slow release valve being applicable to malleation preventing thrombosis delivery device - Google Patents
A kind of slow release valve being applicable to malleation preventing thrombosis delivery device Download PDFInfo
- Publication number
- CN204233527U CN204233527U CN201420609347.1U CN201420609347U CN204233527U CN 204233527 U CN204233527 U CN 204233527U CN 201420609347 U CN201420609347 U CN 201420609347U CN 204233527 U CN204233527 U CN 204233527U
- Authority
- CN
- China
- Prior art keywords
- valve body
- delivery device
- malleation
- slow release
- applicable
- 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.)
- Active
Links
Abstract
This utility model belongs to technical field of medical instruments, is a kind of slow release valve being applicable to malleation preventing thrombosis delivery device.This utility model is made up of the body comprising an elastic polymer valve body and accommodating valve body, by microcavity road closed under the normal pressure that is arranged at valve body, controllable release is realized when fluid pressure overcomes closure-resistive, thus make malleation preventing thrombosis delivery device realize micro-slow release, maintain the malleation of inlying catheter, prevent blood backflow, to reach the object of preventing thrombosis, safety and Simplified flowsheet.
Description
Technical field
This utility model relates to technical field of medical instruments, be specifically related to a kind of slow release valve being applicable to malleation preventing thrombosis delivery device, it has the accessory preventing from the remaining needle of inlying catheter formation thrombosis performance or the infusion syringe tool such as the malleation class device of supporting remaining needle use and specialized transfusion system are suitable for.
Background technology
The mode using tremulous pulse or venous detaining needle to carry out infusion treatment during infusion treatment has been widely used in clinical, and be day by day in universal state, but, many clinical researches are all had to report both at home and abroad, the blood coagulation caused because remaining needle uses, the problem forming thrombosis or blocking is progressively popularized with it and presents its potential significant damage gradually, based on these harm, American I UC company, the enterprise that Germany Bei Lang company B.BRAUN etc. is representative releases positive pressure connector and the main disposal method of catheter flusher these two kinds, but both exist otherwise function singleness or effect not thorough, increase the various problems such as nursing labor intensity, its effect declared and dispose meaning fail really convincing.For this reason, the technical scheme being numbered CN103845791A discloses a kind of inlying catheter trace slow release infusion set, be released slowly in inlying catheter by utilizing the liquid residued in infusion channel in malleation mode, inlying catheter is made to be in barotropic state longer, the problem prevent the blood coagulation of inlying catheter blood backflow to play, becoming bolt, program advanced technology, clear mechanism is effective.It is slow release valve that the program uses a kind of accessory, be mainly used in the speed and the flow that control the output of positive press liquid, make one of this technical scheme crucial accessory realizing slow release, design is quite exquisite, but although the program this slow release valve structure disclosed is simple, but manufacture process requirement is high, and be unfavorable for industrialization large-scale production, for the remaining needle of Clinical practice enormous amount or the adaptive medical apparatus of its periphery, there is serious production capacity restriction, it is the remarkable obstacle that this Xiang Benke benefits the technical scheme enforcement of the people, and, its micro-malleation slow release carried out during using also indwelling with inlying catheter is infused, there is potential fibre shedding risk, also should not ignore, still need to take special treatment process to guarantee its safety.This 2 point is the existing defect of this technical scheme.
Utility model content
Problem to be solved in the utility model is to provide that a kind of technological requirement is low, safety, can overcome the defect related in above-mentioned background technology, can realize the slow release valve being applicable to malleation preventing thrombosis delivery device of large-scale industrial production.
To achieve these goals, this utility model have employed following technical scheme:
A kind of slow release valve being applicable to malleation preventing thrombosis delivery device, there is elastic macromolecular material or elastic polymer material and supporter thereof combine by comprising one the valve body made, with the body of accommodating valve body, described body is one section of hollow pipe, be arranged in delivery device and be communicated with infusion pipeline, it can be independently pipeline section component, also can be certain section of infusion pipeline carried in delivery device, described valve body can be pierced through by the needle tubing of rigidity, the mode that when described valve body is with prefabrication system or to use, needle tubing pierces through obtains a microcavity road, closed under described microcavity road normal pressure, liquid can pass through by trace under pressure, in order to control slow release speed and the flow of liquid.
Further, the inwall of described body and the marginal fit of valve body.
Further, the material of described valve body is medical high polymer synthetic rubber or silica gel.
Further, described valve body is a diaphragm or cylinder or cone or is bowl-type.
According to different designs, different valve body forms can be selected to be configured.Be designed to transfusion path integrated with microcavity road time, preferred valve build formula is diaphragm or cylindric, and this utility model preferred valve build formula is cylinder; Be designed to transfusion path and microcavity road split type time, preferred valve build formula is bowl-type.
Wherein, when described valve body is bowl-type, its edge is distally gradually thin from center near-end, and its ring-shaped edge and inboard wall of tube body are close to.
Further, when described valve body is bowl-type, the direction of the projection one lateral concave side of valve body is the direction that liquid injects.
Disclosed in, some prevent in the thrombosed technical scheme of remaining needle inlying catheter blood backflow, comprise remaining needle, or round the supporting malleation class device that it uses of remaining needle, device disclosed by the CN103845791A that background technology is mentioned, or the medical apparatus such as the same transfusion device adopting the supporting remaining needle of malleation principle to use, all need unlimitedly to use a kind of slow release valve fitment, this slow release valve is arranged on the transfusion path in above-mentioned each appliances, enter inlying catheter after terminal phase of intravenous injection, with controlling micro-amounts of liquids, make it during indwelling, be in barotropic state, prevent blood back flow.Disclosed by CN103845791A scheme, such device all has a malleation source being added to liquid, microcavity road closed under the normal pressure that the mode that when described valve body is with prefabrication system or to use, needle tubing pierces through obtains, under pressure-driven, liquid can overcome the closed resistance in microcavity road, slowly ooze out from microcavity road, maintain to obtain long-acting malleation.
In technical solutions of the utility model, during default tract or use due to microcavity road, needle tubing pierces through formed tract, it is all fixing for fluid pressure during the indwelling of whole remaining needle or its supporting appliances, fluid pressure then can reduce along with slowly disengaging of liquid volume, thus in each inter-infusion interval, its indwelling pressure in early stage is larger, indwelling later stage pressure is less, correspondingly its liquid emission change curve is the form that a pre-large post-small initial spike decays gradually, as long as but its liquid emission is non-vanishing, slow release valve according to technical solutions of the utility model manufacture all effectively can keep malleation.Accordingly, the known malleation that affects is held time, the factor of speed and equivalent flow fruit, be the closing force in microcavity road in the pressure size that the liquid set by delivery device itself obtains and valve body, if the source pressure of liquid is fixed, then adjust the deformation parameter that body is added to valve body, or the length of adjustment valve body, the i.e. length in microcavity road, or footpath, the chamber size in adjustment microcavity road, the adjustment of closing force can be realized, otherwise, if the closing force in microcavity road is fixed, the then original pressure level of rearrange liquids source pressure, also the effect affecting equally speed that liquid disengages and flow can be obtained.
The delivery device such as the remaining needle of use technical solutions of the utility model or malleation class device, the multiple design of tolerable, the pattern that the transfusion path being just usually used in infusing can run through valve body carries out unitary design, also can not run through valve body and take split type type of design, during with the former type of design, microcavity road on valve body can adopt prefabrication system to obtain, also the mode pierced through by needle tubing during to use obtains, pierce through valve body by the needle tubing that other components of delivery device are subsidiary during transfusion or pass the microcavity road preset, connect normal infusion path, during the indwelling of terminal phase of intravenous injection indwelling needle catheter, needle tubing exits the state that puncture runs through valve body, then formed or recover microcavity road, realize Controlled release, during with the latter's type of design, then valve body can adopt bowl-type pattern, can realize Controlled release without the need to needle tubing puncture.
As the another kind of implementation without the need to puncture, it should be noted that, different from the linearity microcavity road that the mode that above-mentioned needle tubing punctures is formed, the microcavity road that bowl-type valve body is formed is ring-type.When described valve body is bowl-type, because its edge is distally gradually thin from center near-end, its ring-shaped edge and inboard wall of tube body are close to, and the direction of the protruding lateral concave side of valve body is the direction that liquid injects, and works as terminal phase of intravenous injection, pressurized liquid overcomes the closing force of valve body edge and inboard wall of tube body, start valve body edge imperceptibly, form the microcavity road of ring-type, liquid is released slowly in inlying catheter by microcavity road, thus realize malleation maintenance, avoid blood enter inlying catheter and form thrombosis.
With above-mentioned preset or the mode that pierces through in like manner, also can the speed of rearrange liquids slow release and flow by the thickness that regulates pressure or the adjustment valve body edge putting on liquid.
Cardinal principle of the present utility model is:
Microcavity road closed under utilizing pressure relief valve's principle that normal pressure is set, controllable release can be realized when fluid pressure overcomes closure-resistive, thus can realize implementing long-acting micro-Controlled release to inlying catheter by the closure-resistive controlling fluid pressure and microcavity road, maintain the malleation of inlying catheter, prevent blood backflow, with the object reaching anti-return blood, blood coagulation preventing thrombosis are formed.
Compared with the prior art, the beneficial effect of technical solutions of the utility model is:
1 definite effect, is applicable to carry out the remaining needle of preventing thrombosis with malleation slow release principle or supporting remaining needle uses to reach all kinds of infusion syringe tool of preventing thrombosis object, of many uses.
2 material safeties, without desquamation risk, draw materials easily, adaptability for materials is extensive, broad spectrum activity medical treatment consumptive materials is had to the positive effect reduced costs.
3 structures are simple, low to manufacture process requirement, are applicable to industrialized large-scale production, avoid technical scheme to become castles in the air, have extremely strong practicality.
Accompanying drawing explanation
Fig. 1 is the slow release valve arrangement schematic diagram that this utility model embodiment 1 presets microcavity road.
Fig. 2 be this utility model embodiment 1 preset microcavity road slow release valve puncture time structural representation.
Fig. 3 be this utility model embodiment 2 pierce through obtain microcavity road slow release valve puncture transfusion backed off after random time structural representation.
Fig. 4 is this utility model embodiment 3 bowl-type slow release valve arrangement schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Fig. 1 ~ 2, a kind of slow release valve being applicable to malleation preventing thrombosis delivery device, there is elastic macromolecular material or elastic polymer material and supporter thereof combine by comprising one the valve body 2 made, with the body 1 of accommodating valve body 2, described body 1 is one section of hollow pipe, be arranged in delivery device and be communicated with infusion pipeline, it can be independently pipeline section component, also can be certain section of infusion pipeline carried in delivery device, described valve body 2 can be pierced through by the needle tubing 3 of rigidity, described valve body 2 arranges a microcavity road 21 with prefabrication system, closed under described microcavity road 21 normal pressure, liquid can pass through by trace under pressure, in order to control slow release speed and the flow of liquid.
Further, the inwall 11 of described body 1 is set to closely sealed with the edge of valve body 2.
Further, the material of described valve body 2 is medical high polymer synthetic rubber.
Further, described valve body 2 is cylinders.
In diagram, A is to being liquid injection direction, and B is to being blood back flow direction, and when transfusion path and microcavity road 21 integrated pattern, needle tubing 3 thrusts direction with A to consistent.
Embodiment 2
As shown in Figure 3, a kind of slow release valve being applicable to malleation preventing thrombosis delivery device, there is elastic macromolecular material or elastic polymer material and supporter thereof combine by comprising one the valve body 2 made, with the body 1 of accommodating valve body 2, described body 1 is one section of hollow pipe, be arranged in delivery device and be communicated with infusion pipeline, it can be independently pipeline section component, also can be certain section of infusion pipeline carried in delivery device, described valve body 2 can be pierced through by the needle tubing of rigidity, the mode that when described valve body 2 is to use, needle tubing pierces through obtains a microcavity road 21, closed under described microcavity road 21 normal pressure, liquid can pass through by trace under pressure, in order to control slow release speed and the flow of liquid.
Further, the inwall 11 of described body 1 is set to closely sealed with the edge of valve body 2.
Further, the material of described valve body 2 is medical high polymer synthetic rubber.
Further, described valve body 2 is cylinders.
In diagram, A is to being liquid injection direction, B to being blood back flow direction, needle tubing 3 thrust direction with A to consistent.
Embodiment 3
As shown in Figure 4, a kind of slow release valve being applicable to malleation preventing thrombosis delivery device, there is elastic macromolecular material or elastic polymer material and supporter thereof combine by comprising one the valve body 2 made, with the body 1 of accommodating valve body 2, described body 1 is one section of hollow pipe, be arranged in delivery device and be communicated with infusion pipeline, it can be independently pipeline section component, also can be certain section of infusion pipeline carried in delivery device, described valve body 2 can be pierced through by the needle tubing 3 of rigidity, described valve body 2 arranges a microcavity road 21 with prefabrication system, closed under described microcavity road 21 normal pressure, liquid can pass through by trace under pressure, in order to control slow release speed and the flow of liquid.
Further, the material of described valve body 2 is medical high polymer synthetic rubber or silica gel.
Further, described valve body 2 is that its ring-shaped edge is distally gradually thin from center near-end, and edge and inboard wall of tube body 11 are close in bowl-type.
Further, the direction of the projection one lateral concave side of valve body 2 is the direction that liquid injects, namely in Fig. 4 A to.A to being liquid injection direction, B to being blood back flow direction, when valve body 2 is installed, its recess side and A to identical towards, with B to contrary.
Although the technical solution of the utility model describes with reference to specific embodiment, this description not meaning that is construed as limiting this utility model.With reference to description of the present utility model, other changes of the disclosed embodiments, all can expect for those skilled in the art, this change should belong in appended claims limited range.
Claims (6)
1. one kind is applicable to the slow release valve of malleation preventing thrombosis delivery device, there is elastic macromolecular material or elastic polymer material and supporter thereof combine by comprising one the valve body (2) made, with the body (1) of accommodating valve body (2), described body (1) is one section of hollow pipe, be arranged in delivery device and be communicated with infusion pipeline, it can be independently pipeline section component, also can be certain section of infusion pipeline carried in delivery device, described valve body (2) can be pierced through by the needle tubing of rigidity (3), it is characterized in that, the mode that when described valve body (2) is with prefabrication system or to use, needle tubing pierces through obtains a microcavity road (21), closed under described microcavity road (21) normal pressure, liquid can pass through by trace under pressure, in order to control slow release speed and the flow of liquid.
2. the slow release valve being applicable to malleation preventing thrombosis delivery device according to claim 1, is characterized in that, the inwall (11) of described body (1) is with the marginal fit of valve body (2) or be close to.
3. the slow release valve being applicable to malleation preventing thrombosis delivery device according to claim 1, is characterized in that, the material of described valve body (2) is medical high polymer synthetic rubber or silica gel.
4. the slow release valve being applicable to malleation preventing thrombosis delivery device according to claim 1, is characterized in that, described valve body (2) is a diaphragm or cylinder or cone or is bowl-type.
5. the slow release valve being applicable to malleation preventing thrombosis delivery device according to claim 4, is characterized in that, when described valve body (2) is in bowl-type, its ring-shaped edge is distally gradually thin from center near-end.
6. the slow release valve being applicable to malleation preventing thrombosis delivery device according to claim 5, is characterized in that, when described valve body (2) is in bowl-type, the direction of the projection one lateral concave side of valve body (2) is the direction that liquid injects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609347.1U CN204233527U (en) | 2014-10-15 | 2014-10-15 | A kind of slow release valve being applicable to malleation preventing thrombosis delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609347.1U CN204233527U (en) | 2014-10-15 | 2014-10-15 | A kind of slow release valve being applicable to malleation preventing thrombosis delivery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204233527U true CN204233527U (en) | 2015-04-01 |
Family
ID=52763086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420609347.1U Active CN204233527U (en) | 2014-10-15 | 2014-10-15 | A kind of slow release valve being applicable to malleation preventing thrombosis delivery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204233527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251081A (en) * | 2015-11-18 | 2016-01-20 | 谢世庚 | Positive pressure cavity type remaining needle and method of preventing thrombi through positive pressure cavity type remaining needle |
-
2014
- 2014-10-15 CN CN201420609347.1U patent/CN204233527U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251081A (en) * | 2015-11-18 | 2016-01-20 | 谢世庚 | Positive pressure cavity type remaining needle and method of preventing thrombi through positive pressure cavity type remaining needle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103330970B (en) | Automatically-sealed thrombus-prevented venous indwelling needle and use method thereof | |
| CN205515814U (en) | Double -barrelled binary channels syringe and syringe needle | |
| CN204233527U (en) | A kind of slow release valve being applicable to malleation preventing thrombosis delivery device | |
| CN104001231B (en) | Safety pump remaining needle | |
| CN105251081A (en) | Positive pressure cavity type remaining needle and method of preventing thrombi through positive pressure cavity type remaining needle | |
| CN104288862A (en) | Slow release valve applicable to positive-pressure anti-thrombotic infusion apparatuses | |
| CN105727401A (en) | Double-pipe and double-channel syringe and needle | |
| CN203370153U (en) | Anti-reflux venous indwelling needle | |
| CN203370152U (en) | Self-sealing thrombus prevention venous indwelling needle | |
| CN205127005U (en) | Needle is kept somewhere to pressure -fired | |
| CN204411414U (en) | The anti-blood of a kind of venous detaining needle fastens safety head | |
| CN205127008U (en) | Needle is kept somewhere to malleation cavate | |
| CN204072257U (en) | A kind of improvement lumbar puncture needle | |
| CN204543103U (en) | A kind of novel intelligent infusion pump | |
| CN204275170U (en) | A kind of remaining needle with slow release positive pressure devices | |
| CN207821996U (en) | A kind of aqueous humor drainage device for glaucoma | |
| CN108653872A (en) | A kind of injection/Transfusion needle pipe preventing blood backflow | |
| CN203043293U (en) | Washing and suction device used for wound surface treatment | |
| CN201939795U (en) | Disposable indwelling needle jacket | |
| CN203898839U (en) | Safe infusion device | |
| CN203885943U (en) | Indwelling needle of safety pump | |
| CN203090042U (en) | Catheter connecting device | |
| CN203898898U (en) | Novel caducous clot preventing type central venous catheter | |
| CN104117110A (en) | Micro infusion pump | |
| CN203898897U (en) | Air embolism prevention type central venous catheter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160107 Address after: 525000 two Guangdong first medical instrument Co., Ltd., No. Second District 07, private science and Technology Industrial Zone, Dianbai County, Guangdong, Maoming Patentee after: GUANGDONG XIANLAI MEDICAL DEVICES Co.,Ltd. Address before: Five road 525000 Guangdong province Maoming Shuangshan compound No. 68 room 702 No. 15 Patentee before: Li Yi |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20221215 Address after: 525000 Room 301, No. 07-2, Private Science and Technology Industrial Park, Dianhai Street, Dianbai District, Maoming, Guangdong Patentee after: Guangdong Xianlai Medical Technology Co.,Ltd. Address before: 525000 Guangdong Xianlai Medical Instrument Co., Ltd., No. 07-2, Zone 2, Private Science and Technology Industrial Park, Dianbai County, Maoming City, Guangdong Province Patentee before: GUANGDONG XIANLAI MEDICAL DEVICES Co.,Ltd. |
|
| TR01 | Transfer of patent right |