CN102188761B - A kind of positive-pressure pinch valve - Google Patents
A kind of positive-pressure pinch valve Download PDFInfo
- Publication number
- CN102188761B CN102188761B CN201110060313.2A CN201110060313A CN102188761B CN 102188761 B CN102188761 B CN 102188761B CN 201110060313 A CN201110060313 A CN 201110060313A CN 102188761 B CN102188761 B CN 102188761B
- Authority
- CN
- China
- Prior art keywords
- clamp
- pipe
- sacculus
- pipe capsule
- capsule
- 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.)
- Expired - Fee Related
Links
- 239000002775 capsule Substances 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 238000001802 infusion Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 7
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 239000008280 blood Substances 0.000 description 6
- 210000004369 blood Anatomy 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 239000003146 anticoagulant agent Substances 0.000 description 4
- 229940127219 anticoagulant drug Drugs 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 229920000669 heparin Polymers 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 230000003292 diminished effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- ZFGMDIBRIDKWMY-PASTXAENSA-N heparin Chemical compound CC(O)=N[C@@H]1[C@@H](O)[C@H](O)[C@@H](COS(O)(=O)=O)O[C@@H]1O[C@@H]1[C@@H](C(O)=O)O[C@@H](O[C@H]2[C@@H]([C@@H](OS(O)(=O)=O)[C@@H](O[C@@H]3[C@@H](OC(O)[C@H](OS(O)(=O)=O)[C@H]3O)C(O)=O)O[C@@H]2O)CS(O)(=O)=O)[C@H](O)[C@H]1O ZFGMDIBRIDKWMY-PASTXAENSA-N 0.000 description 2
- 229960001008 heparin sodium Drugs 0.000 description 2
- 208000031220 Hemophilia Diseases 0.000 description 1
- 208000009292 Hemophilia A Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- -1 volume increases Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention is made up of dummy pipe, pipe capsule, clamp and rear tube, it is characterized in that: front and back conduit is bonded in the outlet at pipe capsule two ends respectively, and pipe capsule is placed in the interior space that clamp encloses; In liquid infusion process, the present invention is placed on the pipeline of indwelling, when infused and pull out with the connection of indwelling part after, clamp is extruded with hands, convex tongue on clamp is engaged with buckle, simultaneously, on clamp two to its in the outstanding pressing plate in space diminish forcing on pipe capsule space in sacculus until space is squeezed off in it, now, the liquid in sacculus will flow to orientation treatment and form malleation.When reusing, only need open clamp, sacculus will automatically recover the unimpeded of infusion pipeline under the effect of natural resiliency.
Description
Technical field
The present invention relates to a kind of liquid infusion pipe capsule valve, especially a kind of a kind of positive-pressure pinch valve that can produce malleation for medical object, prevent venous return.
Background technology
At present, in infusion process, because of the restriction of disease event or the condition of patient own, often need prolonged and repeated infusion treatment, or need repeatedly interim medicinal liquid to be filled in liquid-transport pipe-line in infusion process, enter the object that human vas reaches disease therapy; For reducing the destruction to patient's Superficial veins blood vessel, also for alleviating the misery of patient and alleviating medical personnel's labor intensity, mostly this situation is the structure being connected in series tee T and calparine cap in the pipeline of intravenous transfusion device, in the process needing long-term infusion to treat during disease.Its scheme is coordinated with venous detaining needle by calparine cap (caulking gum) to form fixing can puncture by needle tubing and realize opening/pull out the venous transfusion passage that needle tubing realizes closing.But there is certain defect and deficiency in above-mentioned technology: each use before will to calparine cap treating puncture rubber seal cap partly sterilised, and puncture after calparine cap plug with entry needle and be communicated with tube for transfusion, can medicinal liquid be entered in tube for transfusion by puncture needle tubing, troublesome poeration and have by the danger of pricking wound; In clinical, also normal because of some disease (as hemophilia or disturbances of blood coagulation), make patient can not use the anticoagulant such as heparin and the closed mode of this calparine cap to tube for transfusion and remaining needle is restricted; Because not having the anticoagulant such as heparin sodium in calparine cap, at infuse medical fluid, after treatment terminates, medical personnel are needed to annotate in tube for transfusion a certain amount of anticoagulant with syringe and entry needle puncture calparine cap again, the tube for transfusion preventing blood backflow from causing and indwelling pintle block up, and this makes the operation of medical personnel more loaded down with trivial details and inconvenient; Also operate thus, this rubber seal cap called after calparine cap; Tube sealing is called by the anticoagulant operation behavior of this calparine cap injecting heparin sodium.
In sum, disposable infusion set dosing assembly and need to improve to the tube sealing mode of venous detaining needle.The joint valve technical scheme with malleation liquidproof/blood backflow of the liquid chamber up and down that the piston that I discloses a kind of upright shape in CN200610007910.8 is formed and fluid passage and gas passage juxtaposition, its principal character is: Breakup of Liquid Ring gos deep into housing inner circumferential around piston and base, and enter centre hole of base through base side opening, then enter tube for transfusion; And compressed air in piston derives the external world through base center and fluid passage another tube chamber arranged side by side through another side opening; I am in CN200610103369.0, disclose another kind to realize needleless connection and pull out connecting rear self-closed, generation malleation, prevent the joint valve scheme of blood backflow, it is characterized in that: in the shell forming joint, axially arrange a pipe having the front end of multiple side opening to close, the lower end of pipe is communicated with the liquid outlet of interface; Be set with a rubber bag tank in the periphery of pipe, the top of capsule thickeies, and there are a circular hole and tube wall slipper seal in center, has the four paws elastic support that can expand outwardly under pressure between rubber bag tank and tube wall.Carry out grafting with liquid plug and interface, rubber bag tank front end to the intrinsic pressure contracting of shell, is made stent-expansion by pressure, the passive expansion of capsule, volume increases, and liquid to enter in capsule and to transfusion device Cemented filling through tube wall side opening, after transfusion terminates, pull out infusion plug, earth pressure release, rubber bag tank upwards resets, close tube wall upper-side hole, the rapid resilience of rubber bag tank resets, and CF body is flowed out rapidly to drain pipe direction through tube wall lower-side hole, realizes positive pressure.
ICU Medical, Inc. discloses the technical scheme of malleation flow valve of the same race in CN97181779.0 and CN200410076931.6 and CN200610100685.2, it is characterized in that: can accept in the inner chamber of the opening of ansi standard joint at one, if an elastic packing silica gel plug and with opening close fit, there is gap the centre of plug, can open under external force pressure, fluid in ANSI joint is made to enter in the liquid chambers in inner chamber, this chamber is easily extensible under external force pressure, after external force is removed, collapsible by liquid heats to drain pipe direction, avoid blood backflow formed bolt block up.
Above technical scheme is all the malleation implementation connected based on needleless, and its common deficiency is exactly the danger that there is microorganism intrusion, also has baroque factor simultaneously.
The present invention proposes a kind of scheme avoiding above-mentioned deficiency newly, not only can realize malleation, but also the danger of microorganism intrusion can be exempted, also there is simple, the easy to operate feature of structure simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of liquid infusion pipe capsule valve with positive-pressure function newly.
The present invention is made up of dummy pipe, pipe capsule, clamp and rear tube, it is characterized in that: front and back conduit is bonded in the outlet at pipe capsule two ends respectively, and pipe capsule is placed in the interior space that clamp encloses; In liquid infusion process, the present invention is placed on the pipeline of indwelling, when infused and pull out with the connection of indwelling part after, clamp is extruded with hands, convex tongue on clamp is engaged with buckle, simultaneously, on clamp two to its in the outstanding pressing plate in space diminish forcing on pipe capsule space in sacculus until space is squeezed off in it, now, the liquid in sacculus will flow to orientation treatment and form malleation.When reusing, only need open clamp, sacculus will automatically recover the unimpeded of infusion pipeline under the effect of natural resiliency;
Again, the clamp in the invention described above can also be made up of deck and push boat, it is characterized in that: push boat can be arranged on deck and also can promote after deck is gone forward, and pipe capsule is between deck and push boat, is placed in the interior space of deck simultaneously; In liquid infusion process, the present invention is placed on the pipeline of indwelling, when infused and pull out with the connection of indwelling part after, use hand propelled push boat, the interior space of sacculus on the pipe capsule between deck and push boat is diminished until space is squeezed off in it, now, the liquid in sacculus will flow to orientation treatment and form malleation.When reusing, only need promote push boat to another direction, sacculus will automatically recover the unimpeded of infusion pipeline under the effect of natural resiliency.
Above-mentioned a kind of positive-pressure pinch valve, will not change clinical manipulation code and have following advantage in infusion process:
● clear in structure, simple structure, the basis of traditional remaining needle pipeline only increases an elastic tube capsule to be provided with regard to the malleation achieving remaining needle.
● simple to operate, only just can need to finish the work expection by lower clip after transfusion completes.
● owing to the indwelling pipeline of remaining needle being squeezed off into two parts in the process providing malleation, so the space of the abiotic pipeline section be communicated with blood has diminished, also mitigate the pressure oscillation (blood pressure) of blood to the ability of the unexpected exchange of liquid in this abiotic pipeline section simultaneously, thus be more conducive to the safety of no-rod tractor tube sealing.
Because a kind of positive-pressure pinch valve of the present invention have employed the method for capsule pipe internal volume change to realize providing of malleation, it is the innovation scheme breaking through existing all technical schemes, use retained transfusion system of the present invention will have no-rod tractor tube sealing, tube sealing safety high, exempt from the advantages such as microorganism intrusion, simple operation, the direction that the remaining needle using the technology of the present invention to produce will be technological progress, productivity dynamics.
Accompanying drawing explanation
Fig. 1 is package assembly schematic diagram of the present invention
Fig. 2 is functional configuration profile of the present invention
Fig. 3 is the functional configuration profile of another exemplary embodiments of the present invention
Detailed description of the invention
Technical scheme for a better understanding of the present invention, the present invention will be described in detail by reference to the accompanying drawings.
Fig. 1 is package assembly schematic diagram of the present invention, known by this figure: a kind of positive-pressure pinch valve of the present invention is made up of dummy pipe 1, pipe capsule 2, clamp 3 and rear tube 4, wherein: dummy pipe 1 and rear tube 4 are bonded in the outlet at pipe capsule 2 two ends, pipe capsule 2 is placed in the interior space that clamp 3 encloses; Pipe capsule 2 has the pipeline section of sacculus 2A outwardly for middle part, and the interior space of sacculus 2A is greater than the volume of connection puncture needle or plug, and pipe capsule 2 is made up of medical elastic material; Clamp 3 is the nonocclusive thin plate of the approximate figure of eight that bends continuously, has symmetrical inwardly outstanding pressing plate 3A, at the porose 3D in two ends up and down of the figure of eight, be respectively equipped with convex tongue 3C and buckle 3B in thin plate end at the middle part of the figure of eight.
Fig. 2 is functional configuration profile of the present invention, from this figure: in liquid infusion process, the present invention is placed on the pipeline of indwelling, wherein, dummy pipe 1 and rear tube 4 pass through from the hole 3D clamp 3, the diameter of hole 3D is less than the diameter of pipe capsule 2 two ends pipe, pipe capsule 2 is placed in the interior space of clamp 3 and can not arbitrarily shifts out, (can be puncture needle when having infused and having pulled out with the connection of indwelling part, also can be plug) after, with hands extruding clamp 3, convex tongue 3C on clamp 3 is engaged with buckle 3B, simultaneously, two pressing plate 3A on clamp 3 diminish until space is squeezed off in it by forcing on pipe capsule 2 space in sacculus 2A, now, liquid in sacculus 2A will flow to orientation treatment and form malleation.When reusing, only the convex tongue 3C on clamp 3 need be made to open with the engaging between buckle 3B, sacculus 2A will automatically recover the unimpeded of infusion pipeline under the effect of natural resiliency.
Fig. 3 is the functional configuration profile of another exemplary embodiments of the present invention, known by this figure: the present invention can also be made up of dummy pipe 1, pipe capsule 2, deck 3F, push boat 3E and rear tube 4, wherein: dummy pipe 1 and rear tube 4 are bonded in the outlet at pipe capsule 2 two ends respectively, pipe capsule 2 is placed in the interior space that deck 3F encloses, push boat 3E to be arranged on deck 3F and to be clipped in wherein by pipe capsule 2, and deck 3F is italic shape; In liquid infusion process, the present invention is placed on the pipeline of indwelling, when infused and pull out with the connection of indwelling part after, with hand propelled push boat 3E, the interior space of sacculus 2A on the pipe capsule 2 between deck 3F and push boat 3E is diminished until space is squeezed off in it, now, the liquid in sacculus 2A will flow to orientation treatment and form malleation.When reusing, only need promote push boat 3E to another direction, sacculus 2A will automatically recover the unimpeded of infusion pipeline under the effect of natural resiliency.
Now, just again can start infusion treatment, after infusion-completed, said method still can be used to realize providing of malleation, and avoid the use of heparin, alleviate the labor intensity of medical personnel.
Claims (6)
1. a positive-pressure pinch valve, be made up of dummy pipe (1), pipe capsule (2), clamp (3) and rear tube (4), wherein: dummy pipe (1) and rear tube (4) are bonded in the outlet at pipe capsule (2) two ends, pipe capsule (2) is placed in the interior space that clamp (3) encloses;
Pipe capsule (2) has the pipeline section of sacculus (2A) outwardly for middle part, and pipe capsule (2) is made up of medical elastic material, and the interior space of sacculus (2A) is greater than the volume of connection puncture needle or plug;
Clamp (3) is the nonocclusive thin plate of the approximate figure of eight that bends continuously, symmetrical inwardly outstanding pressing plate (3A) is had at the middle part of the figure of eight, at the two ends up and down of the figure of eight porose (3D), be respectively equipped with convex tongue (3C) and buckle (3B) in thin plate end;
Or, clamp (3) is made up of deck (3F) and push boat (3E), pipe capsule (2) is between deck (3F) and push boat (3E), be placed in the interior space of deck (3F), push boat (3E) can be arranged on deck (3F) and above also can promote after deck (3F) goes forward simultaneously.
2. a kind of positive-pressure pinch valve according to claim 1, it is characterized by: the dummy pipe (1) on pipe capsule (2) and rear tube (4) pass through from the hole (3D) clamp (3), the diameter in hole (3D) is less than the diameter of pipe capsule (2) two ends pipe, and pipe capsule (2) is placed in the interior space of clamp (3) and can not arbitrarily shifts out.
3. a kind of positive-pressure pinch valve according to claim 1, it is characterized by: when the convex tongue (3C) on clamp (3) engages with buckle (3B), two pressing plates (3A) on clamp (3) diminish until space is squeezed off in it by forcing the interior space of the upper sacculus (2A) of pipe capsule (2), now, the liquid in sacculus (2A) will flow to orientation treatment and form malleation.
4. a kind of positive-pressure pinch valve according to claim 1, it is characterized by: when push boat (3E) is at the upper driven forward of deck (3F), the interior space of the upper sacculus (2A) of pipe capsule (2) can be forced to diminish until space is squeezed off in it, now, the liquid in sacculus (2A) will flow to orientation treatment and form malleation.
5. a kind of positive-pressure pinch valve according to claim 1, it is characterized by: when the card between the convex tongue (3C) on clamp (3) and buckle (3B) is opened and closes, the upper sacculus (2A) of pipe capsule (2) recovers the unimpeded of infusion pipeline automatically by under the effect of natural resiliency restoring force.
6. a kind of positive-pressure pinch valve according to claim 1, it is characterized by: when push boat (3E) on deck (3F) to when pushing back dynamic, the upper sacculus (2A) of pipe capsule (2) recovers the unimpeded of infusion pipeline automatically by under the effect of natural resiliency restoring force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110060313.2A CN102188761B (en) | 2011-03-14 | 2011-03-14 | A kind of positive-pressure pinch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110060313.2A CN102188761B (en) | 2011-03-14 | 2011-03-14 | A kind of positive-pressure pinch valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102188761A CN102188761A (en) | 2011-09-21 |
| CN102188761B true CN102188761B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110060313.2A Expired - Fee Related CN102188761B (en) | 2011-03-14 | 2011-03-14 | A kind of positive-pressure pinch valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN102188761B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104922760B (en) * | 2015-06-24 | 2018-03-20 | 湛江健力源医疗用品有限公司 | A kind of remaining needle with flow regulator |
| CN104922761B (en) * | 2015-06-24 | 2018-03-20 | 湛江健力源医疗用品有限公司 | A kind of remaining needle with double duct |
| CN107485757B (en) * | 2017-08-16 | 2023-07-18 | 裴泽军 | Novel indwelling needle |
| CN107362412A (en) * | 2017-08-16 | 2017-11-21 | 裴泽军 | Double sacculus remaining needles |
| CN107854750A (en) * | 2017-12-12 | 2018-03-30 | 威海洁瑞医用制品有限公司 | Can closed remaining needle |
| CN113713212A (en) * | 2021-09-13 | 2021-11-30 | 苏州市立医院 | Anesthesia needle structure that convenient medicine that department of anesthesia used |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101111284A (en) * | 2005-02-02 | 2008-01-23 | 弗雷森纽斯医疗护理德国有限责任公司 | Hose clamp |
| CN201179243Y (en) * | 2008-04-10 | 2009-01-14 | 姜华 | Flow regulator |
| CN201279324Y (en) * | 2008-11-04 | 2009-07-29 | 陈庆强 | Transfusion catheter adjuster capable of preventing bubble generation |
| CN201492755U (en) * | 2009-09-22 | 2010-06-02 | 侯莉莎 | Non-blood return remaining needle |
| CN201492738U (en) * | 2009-09-22 | 2010-06-02 | 侯莉莎 | Transfusion device with flexible pressure-resisting tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2275218C (en) * | 1996-12-16 | 2008-10-14 | Icu Medical, Inc. | Positive flow valve |
-
2011
- 2011-03-14 CN CN201110060313.2A patent/CN102188761B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101111284A (en) * | 2005-02-02 | 2008-01-23 | 弗雷森纽斯医疗护理德国有限责任公司 | Hose clamp |
| CN201179243Y (en) * | 2008-04-10 | 2009-01-14 | 姜华 | Flow regulator |
| CN201279324Y (en) * | 2008-11-04 | 2009-07-29 | 陈庆强 | Transfusion catheter adjuster capable of preventing bubble generation |
| CN201492755U (en) * | 2009-09-22 | 2010-06-02 | 侯莉莎 | Non-blood return remaining needle |
| CN201492738U (en) * | 2009-09-22 | 2010-06-02 | 侯莉莎 | Transfusion device with flexible pressure-resisting tube |
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| Publication number | Publication date |
|---|---|
| CN102188761A (en) | 2011-09-21 |
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