CN102872492A - Infusion back-flow pressing back device - Google Patents
Infusion back-flow pressing back device Download PDFInfo
- Publication number
- CN102872492A CN102872492A CN2011101926390A CN201110192639A CN102872492A CN 102872492 A CN102872492 A CN 102872492A CN 2011101926390 A CN2011101926390 A CN 2011101926390A CN 201110192639 A CN201110192639 A CN 201110192639A CN 102872492 A CN102872492 A CN 102872492A
- Authority
- CN
- China
- Prior art keywords
- transfusion
- tube
- adverse current
- sack body
- elastic sack
- 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.)
- Pending
Links
- 238000001802 infusion Methods 0.000 title abstract description 16
- 230000002411 adverse Effects 0.000 claims description 35
- 239000003814 drug Substances 0.000 claims description 17
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000005060 rubber Substances 0.000 claims description 11
- 229940079593 drug Drugs 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 5
- 239000008280 blood Substances 0.000 abstract description 17
- 210000004369 blood Anatomy 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 4
- 239000002775 capsule Substances 0.000 abstract 5
- 208000015181 infectious disease Diseases 0.000 abstract 1
- 230000000474 nursing effect Effects 0.000 description 7
- 210000003462 vein Anatomy 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002439 hemostatic effect Effects 0.000 description 1
- 239000003978 infusion fluid Substances 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention mainly provides an infusion back-flow pressing back device, mainly comprising an infusion tube, an elastic capsule, a first blocker and a second blocker; the infusion tube is provided with an output end, an input end, and a channel for communicating the output end and the input end; the elastic capsule is arranged on the infusion tube; an inner chamber communicated with the channel is arranged in the elastic capsule; the first blocker is arranged on the infusion tube between the elastic capsule and the output end; the first blocker can reciprocate between a loose position and a close position under stress; the second blocker is arranged on the infusion tube between the elastic capsule and the input end, and the second blocker can reciprocate between the loose position and the close position under stress. With the adoption of the device, the blood is pressed back without disassembling and separating a syringe needle from the infusion tube, so that the infection risk is reduced and the using convenience is enhanced; the first blocker and the second blocker can not at all affect the channel of the infusion tube when not in use, so that the flow and the flow rate in an infusion process are unlikely to be affected.
Description
Technical field
The present invention is relevant with medical apparatus, refers to that in more detail a kind of transfusion adverse current pushes back device.
Background technology
At present, (its transfusion may be normal saline solution, medicine, nutrient when the healthcare givers injects transfusion to the vein blood vessel of sufferer ... Deng), except using syringe (manpower pressurization) or other special equipment to pressurize (pumping pressurization), generally all transfusion bag is hung on the eminence position, makes transfusion can utilize gravity via tube for transfusion and syringe needle and enter in the vein blood vessel of human body.
But, in the process of infusing, Chang Yinwei drip speed not and vein pressure is excessive or because of drop bottle excessively low ... Deng, and so that blood has the facts that is back in the tube for transfusion of driving in the wrong direction to occur.At this moment, general nursing personnel's the practice, first syringe needle is separated with tube for transfusion, and the blood in the tube for transfusion outwelled, the recycling one extra syringe with the transfusion suction in the transfusion bag in syringe, and take off the syringe needle of this syringe, and this syringe that is filled with transfusion is connected with original syringe needle with the human body contact, by infusing the blood in the transfusion needle head is pushed back to vein blood vessel.
Yet the above-mentioned practice not only considerably bothers and expends time in operation, also can have influence on the carrying out of other treatment.Moreover.Since syringe needle and tube for transfusion separate push back finish to assembling between, all may allow sufferer and nursing staff be infected.And, owing to push back employed syringe and syringe needle all must additionally be obtained (purchasing), and abandoned later using, therefore the problem of wasting resource and medical treatment cost is arranged.
For the problems referred to above, then there is the dealer to propose solution, such as Chinese patent application the 200520080527.6th (CN2812952Y) number case, a kind of can be in infusion process the manual quick infusion connection tube of counterflow-preventing, it is that a pressurization sacculus with elastic recovery is arranged at the middle part of connection tube, counterflow-preventing pipe on the feed tube is built in the pressurization sacculus, counterflow-preventing pipe on the drain pipe is built in the sacculus funnel, the pressurization sacculus links to each other with drain pipe with feed tube, can be in normal infusion, carry out in case of necessity quick infusion, and prevent that when infusion-completed blood backflow from stopping up piercing needle.
But, because when transfusion, drop will have speed otherwise vein pressure during greater than infusion pressure, blood easily refluxes, although above-mentioned CN2812952Y case utilizes two counterflow-preventing pipes in case the Hemostatic Oral Liquid adverse current can hinder transfusion and flow to body interior flow and speed, therefore the easier backflow of blood, and if the supply that flow is little, speed can have influence on transfusion slowly when adding treatment prescription simultaneously in the transfusion, then can have influence on the treatment (such as the quantity delivered of anesthesia or medicine) to sufferer.
Summary of the invention
In view of this, one purpose of the present invention is to provide a kind of transfusion adverse current to push back device, can push back program under the situation that need not separate syringe needle and tube for transfusion, with the danger of avoiding sufferer and nursing staff to be infected.
Another object of the present invention is to provide a kind of transfusion adverse current to push back device, the comparatively simple and easy and person that do not expend time in of its operation sequence.
Another purpose of the present invention is to provide a kind of transfusion adverse current to push back device, and it need not additionally use other medical apparatus, with resource and the medical treatment cost of avoiding waste.
A further object of the present invention is to provide a kind of transfusion adverse current to push back device, can not hinder transfusion and carrying out flow and the speed in the body of flowing to when middle.
Edge this, the present invention provides a kind of transfusion adverse current to push back device, it consists predominantly of: tube for transfusion has outfan, input and is communicated with the runner of this outfan and this input; Elastic sack body is arranged on this tube for transfusion, and its inside has inner room, is communicated with the runner of this tube for transfusion; The first block device is arranged at the position on the tube for transfusion between this elastic sack body and this outfan, and this first block device is stressed in unclasping the position to reciprocating action between make position; The second block device is arranged at the position on the tube for transfusion between this elastic sack body and this input, and this second block device is stressed in unclasping the position to reciprocating action between make position.
Above-mentioned transfusion adverse current pushes back device, and wherein, the outfan of this tube for transfusion is connected on the syringe needle, and this input then is connected on the transfusion bag, and the transfusion in this transfusion bag can be flowed in the human body through this syringe needle via the runner of this tube for transfusion.
Above-mentioned transfusion adverse current pushes back device, and wherein, this elastic sack body is connected in one piece this tube for transfusion and is positioned on the position, arbitrary place between this outfan and this input, and flow velocity and flow that can influential transfusion.
Above-mentioned transfusion adverse current pushes back device, wherein, this elastic sack body have after stressed can elastic recovery the pre-power of elasticity.
Above-mentioned transfusion adverse current pushes back device, and wherein, this first block device, the second block device are any of switch, anchor clamps, valve body.
Above-mentioned transfusion adverse current pushes back device, and wherein, when this first block device is positioned at when unclasping the position, the outfan of this tube for transfusion to the runner between this elastic sack body is unimpeded state; When this first block device was positioned at make position, the outfan of this tube for transfusion to the runner between this elastic sack body was closed state.
Above-mentioned transfusion adverse current pushes back device, and wherein, when this second block device is positioned at when unclasping the position, the input of this tube for transfusion to the runner between this elastic sack body is unimpeded state; When this second block device was positioned at make position, the input of this tube for transfusion to the runner between this elastic sack body was closed state.
Above-mentioned transfusion adverse current pushes back device, wherein, is provided with drug feeding device at elastic sack body.
Above-mentioned transfusion adverse current pushes back device, and wherein, this drug feeding device and elastic sack body are one-body molded, and its material is selected from any of rubber, silica gel, Elastic plastic-rubber.
Above-mentioned transfusion adverse current pushes back device, and wherein, this elastic sack body material is selected from any of rubber, silica gel, Elastic plastic-rubber.
Be with, the present invention can reduce the obstruction that causes because of blood back flow, and need not again to have an injection, alleviating the pain of sufferer, and can utilize elastic sack body to fill with punching, blood can be flow back in the human body again, with the quantity of minimizing use syringe and syringe needle, and can avoid waste resource and medical treatment cost.And device of the present invention can not hinder that infusion liquid enters flow in the body and flow velocity and the supply problem that has influence on transfusion just like the counterflow-preventing pipe in the prior art.The present invention is owing to need not syringe needle to be separated with tube for transfusion again, therefore can reduce the danger that sufferer and nursing staff infect, not only comparatively convenient in operation, can save time and more can promote convenience in the use, to reduce the load in nursing staff's work.
Description of drawings
Fig. 1: be the three-dimensional exploded view of a preferred embodiment of the present invention.
Fig. 2: be three-dimensional combination figure embodiment illustrated in fig. 1.
Fig. 3: be assembled sectional view embodiment illustrated in fig. 1.
Fig. 4～8: be motion flow sketch map embodiment illustrated in fig. 1.
Fig. 9: be the three-dimensional combination figure of another preferred embodiment of the present invention.
Figure 10: be mode of operation sketch map embodiment illustrated in fig. 9.
Wherein:
The specific embodiment
For making your juror further understanding and approval be arranged to feature of the present invention and characteristics, hereby enumerate following preferred embodiment and cooperate description of drawings as follows:
See also Fig. 1～8, a kind of transfusion adverse current that a preferred embodiment of the present invention provides pushes back device 100, and it consists predominantly of a tube for transfusion 10, an elastic sack body 20, one first block device 30 and one second block device 40, wherein;
See also Fig. 1～3, this tube for transfusion 10 is the body of a hollow, one end is an outfan 11, the other end is an input 12, these tube for transfusion 10 inside have one and are communicated with the runner 13 of flowing through for transfusion with this outfan 11 and this input 12, the outfan 11 of this tube for transfusion 10 can be connected on the syringe needle 14, this input 12 then can be connected on the transfusion bag (not shown), and the transfusion in this transfusion bag can be flowed in the vein blood vessel of human body through this syringe needle 14 via the runner 13 in this tube for transfusion 10.
See also Fig. 1～3, this elastic sack body 20, be connected in one piece on the position, a place that this tube for transfusion 10 is positioned at 12 of this outfan 11 and this inputs, this elastic sack body 20 have after stressed can elastic recovery the pre-power of elasticity, these elastic sack body 20 inside have an inner room 21, the both sides of this inner room 21 are communicated with the runner 13 of this tube for transfusion 10 respectively, and this elastic sack body 20 preferablies are close to the position of syringe needle 14.These elastic sack body 20 materials can be selected rubber, silica gel, plastic cement or other equivalent materials.
See also Fig. 1～3, this first block device 30 is arranged on this tube for transfusion 10, and is positioned on tube for transfusion 10 positions of 11 of elastic sack body 20 and this outfans, and this first block device 30 can be subjected to External Force Acting and unclasp reciprocating action between the position in a make position to.The first block device 30 in the present embodiment is anchor clamps.
See also Fig. 1～3, this second block device 40, be arranged on this tube for transfusion 10, and be positioned on tube for transfusion 10 positions of 12 of elastic sack body 20 and inputs, and the preferably is near the position of elastic sack body 20, and this second block device 40 can be subjected to External Force Acting and unclasp reciprocating action between the position in a make position to.The second block device 40 in the present embodiment is anchor clamps.
Be with, the above-mentioned transfusion adverse current that is a preferred embodiment provided by the present invention pushes back each member and the assembling mode introduction thereof of device 100, then its handling characteristics is described below again:
When normal condition, as shown in Figure 3, this first block device 30 is positioned at the state that unclasps the position with this second block device 40, make transfusion in this transfusion bag can be sequentially flow to this syringe needle 14 via the input 12 of tube for transfusion 10, runner 13, outfan 11, enabling to infuse via this syringe needle 14 flows in the vein blood vessel of human body.And because the first block device 30 and the second block device 40 are unclasping the position, do not affect the circulation of runner 13, therefore flow and the flow velocity of transfusion are unaffected.
When, during blood of human body generation adverse current, be that the blood of human body is when entering toward the outfan 11 of tube for transfusions 10 via this syringe needle 14, operational approach is positioned on the make position at first operating this second block device 40, make tube for transfusion 10 runners 13 that are positioned at these the second block device 40 positions present closed state (as shown in Figure 4), and the blood in this runner 13 can't be passed through.Then, just but the application of force is pushed (as shown in Figure 5 F) with this elastic sack body 20, the pressure of these elastic sack body 20 inner rooms 21 is increased, and make this inner room 21 and this second block device 40 to transfusion and blood in 11 runners of this outfan 13 understand pressurized and flow to human body, until this inner room 21 and this second block device 40 to 11 runners 13 of this outfan transfusion and blood through behind this first block device 30, just can operate this first block device 30 is positioned at (as shown in Figure 6) on the make position, make this blood just can't go again adverse current, opened to this second block device 40 this moment again unclasps the position, restoring force by elastic sack body 20, and this second block device 40 to the transfusion between transfusion bag is sucked in this inner room 21 (as shown in Figure 7), just can operate again this first block device 30 is opened into this moment and unclasp the position, make the runner 13 of this tube for transfusion 10 be complete unimpeded state (as shown in Figure 8), and make transfusion can be normally by transfusion bag via this tube for transfusion 10 and syringe needle 14 and flow in the human body.
The present invention is owing to can utilize elastic sack body to fill with punching, blood can be flow back in the human body again, problem and the puzzlement that therefore can make things convenient for and solve fast blood back flow, and the obstruction of having avoided adverse current to cause, and except can conveniently adverse current directly being pushed back, also avoided traditionally because of the necessary processing trouble of adverse current and added syringe and the syringe needle problem used, reducing the quantity of using syringe and syringe needle, and can avoid waste resource and medical treatment cost.The most important thing is, during pushing back device and do not use among the present invention, can not affect the runner of tube for transfusion fully, and hinder the supply problem that infusion flow and flow velocity cause without counterflow-preventing pipe in the prior art.And therefore the present invention can reduce the danger that sufferer and nursing staff infect owing to need not syringe needle to be separated with tube for transfusion again.Moreover the present invention is very convenient in operation, can not only save time and more can promote convenience in the use, to reduce the load in nursing staff's work.
In addition, because this first and second block device is mainly as the runner of Seal and open tube for transfusion among the present invention, therefore this first and second block device can be any can unlatching and the ordinary articles that seals, such as switch, anchor clamps, valve body ... Deng, it is the purpose of attainable cost invention all.
Please join again Fig. 9, shown in 10, axonometric chart and sectional drawing for another embodiment of the present invention, present embodiment is identical with the embodiment of Fig. 1～8, a kind of transfusion adverse current pushes back device 100, its formation comprises all elements of previous embodiment and adopts the similar elements numbering, because its each member, assembling mode and handling characteristics are as above-mentioned, then repeat no more in this, and present embodiment and previous embodiment difference are: present embodiment is provided with at least one drug feeding device 50 at elastic sack body 20, so that the purposes of adding medicament when infusing to be provided, drug feeding device 50 in the present embodiment is by elastic sack body 20 bodies ridge outward, can adopt the material the same with elastic sack body 20 and one-body molded, its material such as rubber, silica gel, Elastic plastic-rubbers etc. are made, and its preferably is shaped as strip, enter with the puncture of the syringe needle of handled easily syringe.And owing to adopt the good material of recovery, so syringe needle is when taking out, the hole that syringe needle causes can auto-closing.The feeding operations method is for transferring to make position with the second block device 40 first, syringe needle 61 with dosing syringe 60 is worn in the elastic sack body 20 by drug feeding device 50, and after the dosing, syringe needle 61 withdraws from, two option of operation are arranged afterwards: 1, to elastic sack body 20 pressurizations, make medicine enter fast human body; Or 2, unclamp the second block device 40, allow medicament along with a dropping liquid enters human body.Its advantage is, it is available that medicine enters the speed of human body, for example: general medication can enter in the human body by elastic sack body 20 direct weightings fast, if and can make us uncomfortable medicine such as heart medication or antibiotic etc., then can select to enter human body with a dropping liquid at leisure, make patient comparatively comfortable when medication.
Above institute takes off, and only is preferred embodiment provided by the present invention, is not the scope that limits the embodiment of the invention, and the equalization that all related art techniques persons in the art do according to the present invention changes, and all should belong to the scope that the present invention is contained.
Claims (10)
1. a transfusion adverse current pushes back device, it is characterized in that, consists predominantly of:
Tube for transfusion has outfan, input and is communicated with the runner of this outfan and this input;
Elastic sack body is arranged on this tube for transfusion, and its inside has inner room, is communicated with the runner of this tube for transfusion;
The first block device is arranged at the position on the tube for transfusion between this elastic sack body and this outfan, and this first block device is stressed in unclasping the position to reciprocating action between make position;
The second block device is arranged at the position on the tube for transfusion between this elastic sack body and this input, and this second block device is stressed in unclasping the position to reciprocating action between make position.
2. transfusion adverse current according to claim 1 pushes back device, it is characterized in that: the outfan of this tube for transfusion is connected on the syringe needle, this input then is connected on the transfusion bag, and the transfusion in this transfusion bag can be flowed in the human body through this syringe needle via the runner of this tube for transfusion.
3. transfusion adverse current according to claim 1 pushes back device, it is characterized in that: this elastic sack body is connected in one piece this tube for transfusion and is positioned on the position, arbitrary place between this outfan and this input.
4. transfusion adverse current according to claim 1 pushes back device, it is characterized in that: this elastic sack body have after stressed can elastic recovery the pre-power of elasticity.
5. transfusion adverse current according to claim 1 pushes back device, it is characterized in that: this first block device, the second block device are any of switch, anchor clamps, valve body.
6. transfusion adverse current according to claim 1 pushes back device, it is characterized in that: when this first block device is positioned at when unclasping the position, the outfan of this tube for transfusion to the runner between this elastic sack body is unimpeded state; When this first block device was positioned at make position, the outfan of this tube for transfusion to the runner between this elastic sack body was closed state.
7. transfusion adverse current according to claim 1 pushes back device, it is characterized in that: when this second block device is positioned at when unclasping the position, the input of this tube for transfusion to the runner between this elastic sack body is unimpeded state; When this second block device was positioned at make position, the input of this tube for transfusion to the runner between this elastic sack body was closed state.
8. transfusion adverse current according to claim 1 pushes back device, it is characterized in that: be provided with drug feeding device at elastic sack body.
9. transfusion adverse current according to claim 8 pushes back device, it is characterized in that: this drug feeding device and elastic sack body are one-body molded, and its material is selected from any of rubber, silica gel, Elastic plastic-rubber.
According to claim 1 or 4 described transfusion adverse currents push back device, it is characterized in that: this elastic sack body material is selected from any of rubber, silica gel, Elastic plastic-rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101926390A CN102872492A (en) | 2011-07-11 | 2011-07-11 | Infusion back-flow pressing back device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101926390A CN102872492A (en) | 2011-07-11 | 2011-07-11 | Infusion back-flow pressing back device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102872492A true CN102872492A (en) | 2013-01-16 |
Family
ID=47474152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101926390A Pending CN102872492A (en) | 2011-07-11 | 2011-07-11 | Infusion back-flow pressing back device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102872492A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837224A (en) * | 2018-07-16 | 2018-11-20 | 杭州光启医疗科技发展有限公司 | The medical fluid delivery instrument of anti-backflow |
| CN113573753A (en) * | 2019-01-07 | 2021-10-29 | 金圣起 | Multi-way connecting component of infusion device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148575Y (en) * | 1993-02-19 | 1993-12-08 | 毛华雄 | Medical disposable infusion drainage apparatus |
| EP1066845A1 (en) * | 1999-01-12 | 2001-01-10 | Tsukada Medical Research Co., Ltd. | Continuous transfusion injection unit assembly |
| CN2812952Y (en) * | 2005-02-12 | 2006-09-06 | 邓美华 | Anti-counter flow hand pressing quickening infusion connecting tube |
-
2011
- 2011-07-11 CN CN2011101926390A patent/CN102872492A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2148575Y (en) * | 1993-02-19 | 1993-12-08 | 毛华雄 | Medical disposable infusion drainage apparatus |
| EP1066845A1 (en) * | 1999-01-12 | 2001-01-10 | Tsukada Medical Research Co., Ltd. | Continuous transfusion injection unit assembly |
| CN2812952Y (en) * | 2005-02-12 | 2006-09-06 | 邓美华 | Anti-counter flow hand pressing quickening infusion connecting tube |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108837224A (en) * | 2018-07-16 | 2018-11-20 | 杭州光启医疗科技发展有限公司 | The medical fluid delivery instrument of anti-backflow |
| CN108837224B (en) * | 2018-07-16 | 2021-02-02 | 青岛市精神卫生中心（青岛市第七人民医院、青岛市心理咨询中心） | Liquid medicine delivery device capable of preventing backflow |
| CN113573753A (en) * | 2019-01-07 | 2021-10-29 | 金圣起 | Multi-way connecting component of infusion device |
| CN113573753B (en) * | 2019-01-07 | 2023-06-27 | 金圣起 | Multi-way connecting assembly of transfusion device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102985050A (en) | Drug solution delivery device for medical use | |
| US20140207118A1 (en) | Lock Connection Device for Medical Fluid Lines | |
| CN107252513A (en) | Fluid transfer device | |
| JP6379033B2 (en) | Automatic rapid infusion or blood transfusion device | |
| CN206473617U (en) | Improved intravenous tube group for embedded catheters irrigation | |
| CN201200674Y (en) | Infusion device | |
| CN102872492A (en) | Infusion back-flow pressing back device | |
| CN219681341U (en) | Intravenous injection kit and hand pump thereof | |
| CN107149556B (en) | The defeated net type medical Transfusion device of drop of capsule built in infusion bottle or infusion bag | |
| CN201423062Y (en) | Liquid medicine intercepting and keeping infusion apparatus | |
| CN203989226U (en) | Novel operated transfusion device | |
| CN203694231U (en) | Needle-free connecting piece type infusion apparatus | |
| CN203724554U (en) | Venous needle | |
| CN208049128U (en) | A kind of straight type remaining needle of operation | |
| CN202314654U (en) | Double-filtration blood return prevention infusion apparatus | |
| JPH07171198A (en) | Medical solution combined infusion tube | |
| CN211611055U (en) | Infusion device | |
| CN110464640A (en) | A kind of internal medicine medication nursing device | |
| CN204106698U (en) | A kind of needleless connects automatic liquid-stopping infusion set | |
| CN205831803U (en) | A kind of indwelling blood sampling combination unit | |
| CN217409564U (en) | On-off device for liquid injection | |
| CN203647772U (en) | Disposable oxygen dissolver | |
| CN208809065U (en) | The non-disposable washing pipe type infusion bag of PVC | |
| CN217162767U (en) | Remaining needle | |
| CN216725209U (en) | Intravenous nutrition transfusion bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130116 |