CN100376294C - Precision antalgic transfusion device - Google Patents
Precision antalgic transfusion device Download PDFInfo
- Publication number
- CN100376294C CN100376294C CNB02135801XA CN02135801A CN100376294C CN 100376294 C CN100376294 C CN 100376294C CN B02135801X A CNB02135801X A CN B02135801XA CN 02135801 A CN02135801 A CN 02135801A CN 100376294 C CN100376294 C CN 100376294C
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- CN
- China
- Prior art keywords
- storage capsule
- drug storage
- antalgic
- precision
- transfusion device
- 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 - Lifetime
Links
- 230000000146 antalgic effect Effects 0.000 title claims abstract description 17
- 239000003814 drug Substances 0.000 claims abstract description 87
- 239000007788 liquid Substances 0.000 claims abstract description 72
- 239000002775 capsule Substances 0.000 claims abstract description 46
- 230000000694 effects Effects 0.000 claims abstract description 10
- 229940079593 drug Drugs 0.000 claims description 45
- 238000005096 rolling process Methods 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 7
- 238000001802 infusion Methods 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 238000009432 framing Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 208000002193 Pain Diseases 0.000 abstract description 6
- 230000036407 pain Effects 0.000 abstract description 5
- 208000004404 Intractable Pain Diseases 0.000 abstract description 3
- 206010028980 Neoplasm Diseases 0.000 abstract description 3
- 201000011510 cancer Diseases 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract 3
- 238000010276 construction Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000000202 analgesic effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 208000004550 Postoperative Pain Diseases 0.000 description 2
- 230000036592 analgesia Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000599 controlled substance Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005497 microtitration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007901 soft capsule Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
- A61M5/152—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags pressurised by contraction of elastic reservoirs
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to a precision antalgic transfusion device which is provided with a protective casing body, an elastic medicine storage capsule, a flow regulator, a dripping hopper, a catheter, a filter and an injection needle joint, wherein under the action of the shrinkage force of the elastic medicine storage capsule, liquid medicine which is collected in the elastic medicine storage capsule is transfused through the catheter; a three-way type supporting frame is arranged in the protective casing body; a liquid medicine inlet with a one-way valve is arranged on the radial part of the three-way type supporting frame; the axial direction of the three-way type supporting frame is a supporting sleeve of the elastic medicine storage capsule; a liquid medicine through hole is arranged on the wall of the elastic medicine storage capsule; the elastic medicine storage capsule is fixed to the outer side of the supporting sleeve; a liquid medicine outlet at the front end of the three-way type supporting frame is communicated with the liquid medicine filter; the liquid medicine filter is connected with the flow regulator which is arranged at the lower end of the protective casing body through a throttle pipe. The present invention has the advantages of simple construction, uniform and stable medicine feeding speed, adjustable flow, lasting time and favourable pain alleviating effect and can be widely applied to treat pain after operations, pain at the last stage of cancer and various kinds of intractable pain.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, specifically a kind of precision antalgic transfusion device.
Background technology
As everyone knows, in the treatment of postoperative pain, cancer of late stage pain and various intractable pains, intravenous injection anesthesia, analgesic are a kind of means commonly used clinically, and it can alleviate patient's misery effectively, allow patient comfort, happiness, improve the security.At present, both at home and abroad methods such as micro-continuous schedule medicine analgesia and patient-controlled medicine analgesia that adopt realize more.Mostly flow is by placing the pipeline reducer to control; the continuous schedule medicine injects and adopts elastomeric material (silica gel) medicine bag; rely on the contractility compressing medicinal liquid of expansion capsule self; do power source with this; its driving pressure constant voltage that is as the criterion basically to medicinal liquid; announced the automatically continuous killer injecting pump of a kind of disposable trace as patent 98201655.7; it is by the drug storage medicine injecting device; medicinal liquid conduit and flow controller are formed; the drug storage medicine injecting device is made up of protection housing and medicine bag; medicine bag is fixed on the medicine bag holder of lower house; flow controller is fixed on the medicinal liquid conduit; be present in medicinal liquid in the medicine bag under the effect of capsule contractility, continue to inject human body micro-ly by flow controller.Its complex structure, it is stable inadequately, accurate to inject dose, and safeguarding needs knack; After the injection medicinal liquid finished, the residual quantity of medicine bag herb liquid was big, and waste is serious, and product price is also more expensive.In the medicine bag, the inflow of medicinal liquid, outflow are carried out in the same position conversion of housing, thereby can not on one side medicinal liquid be injected in patient's body constantly, inject medicinal liquid Yi Bian replenish simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, and a kind of simple structure is provided, safety, and injection speed is even, stable, and flow is adjustable, and is effective, and cost is low, precision antalgic transfusion device easy to use.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of precision antalgic transfusion device of the present invention; it is provided with the protection housing; elasticity drug storage capsule; flow regulator; dropping funnel; conduit; filter; the entry needle joint; under the effect of elasticity drug storage capsule contractility; export by the medicinal liquid that conduit will be concealed in the elasticity drug storage capsule; it is characterized in that: be provided with a three way type bracing frame in the protection housing; its radial component is provided with the medicinal liquid inlet port of band check valve; axially be drug storage capsule support set; wall is provided with liquid through-hole; elasticity drug storage capsule is fixed on the support set outside; the medicine liquid outlet of supporting framing front end is connected with a liquid medicine filter, and liquid medicine filter is connected with the flow regulator that is located at protection housing lower end by throttle pipe.
It is the upper and lower shell body structure that the present invention protects housing, and upper and lower casing is fastened on the bracing frame in aggregates, and the upper shell top is provided with pore and the erecting by overhang that has filter membrane, and the lower house lower end is provided with flow regulator.Accurate flow regulator is made up of rolling disc, upper body (also being the lower house of protection housing), lower body, and the rolling disc end face is provided with week cutting from deep to shallow, by the rotation rolling disc, by the cutting depth control infusion flow of upper body, lower body through hole corresponding position.
In the elasticity drug storage capsule support set of the present invention sliding bar is housed, sliding bar external diameter and length are substantially equal to the internal diameter and the length of support set, and described elasticity drug storage capsule upper end is fixed on the sliding bar top with jump ring.Like this, under the effect of elasticity drug storage capsule elastic contractile force, sliding bar can be discharged being stored in the support set herb liquid, does not stay residual liquid during use in the support set.
The present invention is owing to be provided with bracing frame and elasticity drug storage capsule in the protection housing, and Flow-rate adjustment adopts accurate flow regulator to carry out, and uses against existing technologies; drug storage capsule of the present invention has the better elastic contractility; flow regulator can micro-fine tuning, and the medicinal liquid turnover separates, and does not stay residual liquid in the support set.During use, need not use power supply, only rely on the capsular elastic contractile force of drug storage, accurate constant voltage continues to drive injects medicinal liquid, and by flow regulator control flow, evenly administration, easy to use.Simple structure of the present invention, light, injection speed is even, stable, and flow is adjustable, good analgesic effect.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a support frame structure sketch map of the present invention.
Fig. 3 is a sliding bar structural representation of the present invention.
Fig. 4 is a flow regulator structural representation of the present invention.
Fig. 5 is flow regulator of the present invention upper body (protection housing lower house) structural representation.
Fig. 6 is a flow regulator lower body structural representation of the present invention.
Fig. 7 is a flow regulator rolling disc structural representation of the present invention.
Fig. 8 is the vertical view of Fig. 7.
Fig. 9 is a liquid medicine filter structural representation of the present invention.
Figure 10 is a dropping funnel structural representation of the present invention.
1. entry needle joints among the figure, 2. filter 3. blocks and stretches tight, 4. dropping funnel; 5. conduit, 6. flow regulator, 7. throttle pipe, 8. liquid medicine filter; 9. protection housing, 10. elasticity drug storage capsule, 11. bracing frames; 12. the medicinal liquid inlet port, 13. check valves, 14. support sets; 15. liquid through-hole, 16. medicine liquid outlets, 17. sliding bars; 18. jump ring, 19. jump rings, 20. blocks.
The specific embodiment
From Fig. 1, Fig. 2 as can be seen; a kind of precision antalgic transfusion device of the present invention; it is provided with that entry needle joint 1, filter 2, card stretch tight 3, dropping funnel 4, conduit 5, flow regulator 6, protection housing 9, elasticity drug storage capsule 10, and elasticity drug storage capsule 10 is positioned at protection housing 9.The protection housing 9 play a part the protection capsule be not squeezed, scratch, prevent the drug storage capsules break after medicinal liquid spill on one's body the patient.Medicinal liquid is exported by the medicinal liquid that conduit will be concealed in the elasticity drug storage capsule under the effect of elasticity drug storage capsule 10 contractilitys, injects in patient's body.Filter 2 is used for filtering liquid medicine; Card stretches tight and 3 is fastened on the conduit outside, is used for opening or by the circulation of conduit herb liquid; Dropping funnel 4 is visual dropping funnel, can clearly observe the flow of medicinal liquid.Above-mentioned composition and effect belong to prior art, and this does not describe in detail.
The present invention protects and is provided with a three way type bracing frame 11 in the housing 9, and its radial component is provided with the medicinal liquid inlet port 12 of band check valve 13, check valve 13 effect be to guarantee that medicinal liquid can only advance, and can not go out.Bracing frame 11 axially is drug storage capsule support set 14, and wall is provided with liquid through-hole 15, and elasticity drug storage capsule 10 is fixed on support set 14 outsides.Internal diameter and length when the external diameter of support set and length are substantially equal to the contraction of elasticity drug storage capsule.For fixed reliable, its available jump ring 18 is fastened on the capsular bottom of elasticity drug storage on the base of support set 14.The medicine liquid outlet 16 of bracing frame 11 front ends is connected with liquid medicine filter 8, and liquid medicine filter 8 is connected with the accurate flow regulator 6 that is located at protection housing lower end by throttle pipe 7.
Medicinal liquid of the present invention joins support set 14 by medicinal liquid inlet port 12, is provided with liquid through-hole 15 by its wall and enters elasticity drug storage capsule 10, and elasticity drug storage capsule 10 expands.After dosing finished, under the effect of elasticity drug storage capsule contractility, medicinal liquid was discharged through liquid medicine filter 8, throttle pipe 7 and flow regulator 6 from the medicine liquid outlet 16 of bracing frame 11 front ends.
The present invention protects housing 9 to be the upper and lower shell body structure; upper shell 91, lower house 92 are fastened on the bracing frame 11, make up in aggregatesly, and upper shell 91 bottoms are provided with a bottom 93; its engaging is squeezed in jump ring 18 outsides, and the top is provided with pore 94 and the erecting by overhang 95 that has filter membrane.Lower house 92 bottoms are provided with accurate flow regulator 6.
It can also be seen that from Fig. 1, Fig. 3 in the elasticity drug storage capsule support set 14 of the present invention sliding bar 17 is housed, the structure of sliding bar 17 as shown in Figure 3.Its external diameter and length are substantially equal to the internal diameter and the length of support set, and the upper end of elasticity drug storage capsule 10 is fixed on sliding bar 17 tops with jump ring, and the outside also is provided with block 20.When adding medicinal liquid, sliding bar 17 pressurizeds are supporting elasticity drug storage capsule and are moving up.When dripping drug delivery liquid, under the effect of elasticity drug storage capsule elastic contractile force, sliding bar 17 moves down, and can discharge being stored in support set 14 herb liquids, makes and does not stay residual liquid in the support set.
Fig. 4 is a flow regulator structural representation of the present invention.As can be seen, flow regulator of the present invention is made up of rolling disc 61, upper body 62 (also being the lower house 92 of protection housing), lower body 63 from Fig. 4,5,6,7,8.Be provided with catheter adapter 64 among Fig. 5 in the upper body 62, bottom face is provided with all annular grooves 65; Lower body 63 is provided with catheter adapter 67 among Fig. 6, and the upper surface is provided with all annular grooves 68.Upper body, lower body catheter adapter place 64,67 correspondingly are provided with through hole.Upper body 62 and lower body 63 are connected and fixed by center 66, upper body 62 and lower body 63 joint through hole alignment.Fig. 7, rolling disc shown in Figure 8 61 are clipped between upper body 62 and the lower body 63, and wherein centre bore 69 is enclosed within on the center 66 of upper body 62, and whole rolling disc 61 can rotate around it by the rotation handwheel 70 that its outside is provided with.The end face that rolling disc 61 contacts with upper body, lower body is respectively equipped with week cutting 71 from deep to shallow, is provided with a through hole 72 in cutting 71 bosoms.When the present invention used, the through hole of cutting 71 on the through hole of upper body 62, rolling disc 61 end faces and through hole 72, lower body had been formed whole infusion channel.By the rotation rolling disc, by the cutting depth control infusion flow of upper body, lower body through hole corresponding position.Use flow regulator of the present invention can be accurately, trace regulates infusion flow.
Fig. 9 is a liquid medicine filter structural representation of the present invention.This liquid medicine filter is positioned at the protection housing, and it is provided with upper shell 81, lower house 82 and microporous filter membrane purifying layer 83.The big opening end of infundibulate upper shell 81, lower house 82 is closely pegged graft, and microporous filter membrane purifying layer 83 is clipped between the upper and lower shell susceptor body, to the medicinal liquid filtration, guarantees the safety of transfusion.
Figure 10 is a dropping funnel structural representation of the present invention.Dropping funnel 4 is visual dropping funnel, is provided with a micropipette 41 in it, can connect by conduit, so that accurate, micro-titration medicinal liquid.Dropping funnel 4 two ends are connected with conduit by dropping funnel lid 42.Dropping funnel 4 can conveniently be observed the flow velocity and the flow of transfusion device by transparent material processing.
The present invention also is provided with helmet on entry needle joint 1, so as not to contaminated, guarantee safe in utilization.
Drug storage capsule 10 of the present invention is the soft capsules of elasticity with elastic contractile force, and the drug storage capsule increases gradually owing to the injection of medicinal liquid, and produces the pressure to medicinal liquid, this pressure is about constant voltage, during use, need not use power supply, only rely on the capsular elastic contractile force of drug storage, accurate constant voltage continues to drive the injection medicinal liquid.
When the present invention uses, at first, clamp card and stretch tight 3, close transfusion perfusion circuit, the medicinal liquid for preparing is injected drug storage capsule 10 through medicinal liquid inlet port 12 with syringe.Open card and stretch tight 3, regulate flow regulator, rely on the capsular elastic contractile force of drug storage, medicinal liquid enters conduit 5 by some parts, and last medicinal liquid flows to injection needle through entry needle joint 1, enters human body.
Simple structure of the present invention, light, injection speed is even, stable, and flow is adjustable, and the time is lasting, good analgesic effect.Can be widely used in the treatment of postoperative pain, cancer of late stage pain and various intractable pains.
Claims (10)
1. precision antalgic transfusion device; it is provided with the protection housing; elasticity drug storage capsule; flow regulator; dropping funnel; conduit; filter; the entry needle joint; under the effect of elasticity drug storage capsule contractility; export by the medicinal liquid that conduit will be concealed in the elasticity drug storage capsule; it is characterized in that: be provided with a three way type bracing frame in the protection housing; its radial component is provided with the medicinal liquid inlet port of band check valve; axially be drug storage capsule support set; wall is provided with liquid through-hole; elasticity drug storage capsule is fixed on the support set outside; the medicine liquid outlet of supporting framing front end is connected with liquid medicine filter, and liquid medicine filter is connected with the described flow regulator that is located at protection housing lower end by throttle pipe.
2. precision antalgic transfusion device as claimed in claim 1; it is characterized in that said protection housing is the upper and lower shell body structure; upper and lower casing is fastened on the bracing frame in aggregates, and the upper shell top is provided with pore and the erecting by overhang that has filter membrane, and the lower house lower end is provided with described flow regulator.
3. precision antalgic transfusion device as claimed in claim 1 is characterized in that the external diameter of said support set and length are substantially equal to internal diameter and the length of elasticity drug storage capsule when shrinking.
4. precision antalgic transfusion device as claimed in claim 2 is characterized in that the capsular bottom of said elasticity drug storage is fastened on the base of support set with jump ring.
5. precision antalgic transfusion device as claimed in claim 4 is characterized in that said protection housing upper shell bottom is provided with a bottom, and its engaging is squeezed in the jump ring outside.
6. precision antalgic transfusion device as claimed in claim 1, it is characterized in that in the said elasticity drug storage capsule support set sliding bar being housed, sliding bar external diameter and length are substantially equal to the internal diameter and the length of support set, and the capsular upper end of elasticity drug storage is fixed on the sliding bar top with jump ring.
7. precision antalgic transfusion device as claimed in claim 6 is characterized in that said sliding bar and elasticity drug storage capsule top also are provided with a block.
8. precision antalgic transfusion device as claimed in claim 1 or 2, it is characterized in that said flow regulator is made up of rolling disc, upper body, lower body, the rolling disc end face is provided with week cutting from deep to shallow, by the rotation rolling disc, by the cutting depth control infusion flow of upper body, lower body through hole corresponding position.
9. precision antalgic transfusion device as claimed in claim 1 is characterized in that said liquid medicine filter is positioned at the protection housing, and it is provided with upper shell, lower house and microporous filter membrane purifying layer, and the microporous filter membrane purifying layer is clipped between the upper and lower shell susceptor body.
10. precision antalgic transfusion device as claimed in claim 1 is characterized in that being provided with in the said dropping funnel micropipette, and the dropping funnel two ends are connected with conduit by the dropping funnel lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02135801XA CN100376294C (en) | 2002-11-08 | 2002-11-08 | Precision antalgic transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02135801XA CN100376294C (en) | 2002-11-08 | 2002-11-08 | Precision antalgic transfusion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1498660A CN1498660A (en) | 2004-05-26 |
| CN100376294C true CN100376294C (en) | 2008-03-26 |
Family
ID=34231507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02135801XA Expired - Lifetime CN100376294C (en) | 2002-11-08 | 2002-11-08 | Precision antalgic transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100376294C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905046B (en) * | 2010-08-30 | 2012-07-04 | 威海威高医用材料有限公司 | Micro-dose flow regulator |
| CN103933643A (en) * | 2014-04-29 | 2014-07-23 | 河南莲花医疗用品有限公司 | Infusion device flow fine-adjustment device |
| CN103948988A (en) * | 2014-05-05 | 2014-07-30 | 山东建筑大学 | Venous transfusion device with driving plate type flow regulation device |
| CN105107054B (en) * | 2015-07-20 | 2018-09-04 | 北京伏尔特技术有限公司 | The sustainable slow liquid dispensing apparatus of one kind and its installation method |
| CN105056339B (en) * | 2015-08-07 | 2018-08-24 | 北京伏尔特技术有限公司 | A kind of continuous positive pressure remaining needle and its installation method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961725A (en) * | 1974-04-09 | 1976-06-08 | Clark Richard A | Method and apparatus for dispensing fluids under pressure |
| US5178610A (en) * | 1990-07-05 | 1993-01-12 | Nissho Corporation | Liquid infusion device |
| JPH1147271A (en) * | 1996-03-11 | 1999-02-23 | Jms Co Ltd | Constant injector |
| CN2317872Y (en) * | 1998-03-03 | 1999-05-12 | 张凤瑞 | Disposable automatic continuous micro-medicine-injection pump |
| CN1236325A (en) * | 1997-12-24 | 1999-11-24 | 巴克斯特国际有限公司 | Sealed movable pump |
| CN2358894Y (en) * | 1999-02-09 | 2000-01-19 | 王锦淇 | Continuous mecroscale syringe |
| JP2001157710A (en) * | 1999-12-02 | 2001-06-12 | Sumitomo Bakelite Co Ltd | Tool for sustainable injection of chemical |
| CN2468498Y (en) * | 2001-03-09 | 2002-01-02 | 中国人民解放军第四军医大学口腔医学院 | Adjustable type self-control ease pain pump |
| CN2488522Y (en) * | 2001-04-10 | 2002-05-01 | 上海中山医疗科技发展公司 | Automatic controlled continuous infusion pump |
| CN2579436Y (en) * | 2002-11-08 | 2003-10-15 | 山东威高集团医用高分子制品股份有限公司 | Precision analgesia infusion system |
-
2002
- 2002-11-08 CN CNB02135801XA patent/CN100376294C/en not_active Expired - Lifetime
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961725A (en) * | 1974-04-09 | 1976-06-08 | Clark Richard A | Method and apparatus for dispensing fluids under pressure |
| US5178610A (en) * | 1990-07-05 | 1993-01-12 | Nissho Corporation | Liquid infusion device |
| JPH1147271A (en) * | 1996-03-11 | 1999-02-23 | Jms Co Ltd | Constant injector |
| CN1236325A (en) * | 1997-12-24 | 1999-11-24 | 巴克斯特国际有限公司 | Sealed movable pump |
| CN2317872Y (en) * | 1998-03-03 | 1999-05-12 | 张凤瑞 | Disposable automatic continuous micro-medicine-injection pump |
| CN2358894Y (en) * | 1999-02-09 | 2000-01-19 | 王锦淇 | Continuous mecroscale syringe |
| JP2001157710A (en) * | 1999-12-02 | 2001-06-12 | Sumitomo Bakelite Co Ltd | Tool for sustainable injection of chemical |
| CN2468498Y (en) * | 2001-03-09 | 2002-01-02 | 中国人民解放军第四军医大学口腔医学院 | Adjustable type self-control ease pain pump |
| CN2488522Y (en) * | 2001-04-10 | 2002-05-01 | 上海中山医疗科技发展公司 | Automatic controlled continuous infusion pump |
| CN2579436Y (en) * | 2002-11-08 | 2003-10-15 | 山东威高集团医用高分子制品股份有限公司 | Precision analgesia infusion system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1498660A (en) | 2004-05-26 |
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Granted publication date: 20080326 |