CN2453921Y - Continuous self-control analgesic liquid injector - Google Patents
Continuous self-control analgesic liquid injector Download PDFInfo
- Publication number
- CN2453921Y CN2453921Y CN 00248763 CN00248763U CN2453921Y CN 2453921 Y CN2453921 Y CN 2453921Y CN 00248763 CN00248763 CN 00248763 CN 00248763 U CN00248763 U CN 00248763U CN 2453921 Y CN2453921 Y CN 2453921Y
- Authority
- CN
- China
- Prior art keywords
- threeway
- conduit
- medicinal liquid
- storage cylinder
- liquid storage
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 68
- 230000000202 analgesic effect Effects 0.000 title abstract description 5
- 230000010412 perfusion Effects 0.000 claims description 17
- 230000036592 analgesia Effects 0.000 claims description 10
- 238000001802 infusion Methods 0.000 claims description 8
- 230000002045 lasting effect Effects 0.000 claims description 7
- 239000007901 soft capsule Substances 0.000 claims description 7
- 239000003814 drug Substances 0.000 abstract description 12
- 208000002193 Pain Diseases 0.000 abstract description 9
- 230000036407 pain Effects 0.000 abstract description 9
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 229940079593 drug Drugs 0.000 description 9
- 230000008676 import Effects 0.000 description 3
- 208000004404 Intractable Pain Diseases 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 2
- 208000004550 Postoperative Pain Diseases 0.000 description 2
- 201000011510 cancer Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000599 controlled substance Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010253 intravenous injection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 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
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a last automatic control formula analgetic liquid injector, it is including the liquid storage cylinder, fill with quantitative injector, trace pipe, check valve, filter, syringe needle joint, tee bend etc. the liquid storage cylinder lower extreme passes through the pipe and a tee bend links to each other, and this tee bend is connected through little buret and two other tee bends respectively, and these two tee bends are linked together each other, still communicate with filling with quantitative injector and syringe needle joint etc. respectively. The utility model discloses simple structure both can be automatic, last, pour into the liquid medicine into uniformly, still can be according to the painful condition, pour into the liquid medicine into by patient's automatic control, and its security is high, and it is effectual to alleviate pain.
Description
This utility model relates to a kind of medical apparatus and instruments, specifically a kind of lasting autocontrol analgesia medicinal liquid infusion appliance.
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, effective 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 patient-controlled medicine analgesia and the analgesia of micro-continuous schedule medicine that adopt realize more.Announced a kind of disposable patient-controlled pain relieving syringe as patent 97241859.8, comprise compression pump, filter, connecting duct, current limiter and contact pin and calibrated shot tube, single-way flow restricting valve etc., its complex structure, it is stable inadequately, accurate to inject dose, action need knack, price are also more expensive.
The purpose of this utility model is exactly in order to overcome above-mentioned the deficiencies in the prior art, a kind of simple structure, light is provided, both can be automatically, evenly, stable medicinal liquid is injected human body, patient again can be according to the lasting autocontrol analgesia medicinal liquid infusion appliance of pain situation oneself control injection.
For achieving the above object, a kind of lasting autocontrol analgesia medicinal liquid infusion appliance of this utility model, it includes liquid storage cylinder, perfusion calibrated shot device, the trace conduit, conduit, check valve, flow-stopping clip, filter, the entry needle joint, it is characterized in that it also comprises three threeways 3,6,9, the liquid storage cylinder lower end links to each other with threeway 3 by conduit, this threeway in addition two interfaces respectively by micro tube and threeway 6,9 connect, threeway 6 also is communicated with calibrated shot device and threeway 9 with perfusion, threeway 9 another interfaces are by conduit and filter, the entry needle joint is communicated with, be provided with check valve in the conduit between threeway 6 and the threeway 9, flow-stopping clip is installed on the conduit.
This utility model liquid storage cylinder is the soft capsule with elastic contractile force, and the soft capsule of drug storage 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 elastic contractile force of the soft capsule of drug storage, accurate constant voltage continues to drive, and injects medicinal liquid.Micro tube adopts tiny aperture, and its internal diameter is 0.001～0.2mm.Medicinal liquid can be controlled flow by micro tube, on the one hand, relies on the driving of the liquid storage cylinder with elastic contractile force, medicinal liquid automatically, continue, directly inject human body equably through parts such as threeways 3,9; On the other hand, the dependence perfusion preestablishes with the calibrated shot device, and medicinal liquid is absorbed in the liquid storage cylinder of its certain volume, and according to pain situation operation perfusion calibrated shot device control knob, the injection medicinal liquid is realized oneself's control by patient oneself.This utility model simple structure, light, the injection amount is even, stable, and can be as required by patient-controlled, good analgesic effect.
The utility model will be further described below in conjunction with accompanying drawing:
Fig. 1 is a structural representation of the present utility model.
As can be seen from Figure 1, a kind of lasting autocontrol analgesia medicinal liquid infusion appliance of this utility model, it includes liquid storage cylinder 1, perfusion calibrated shot device 15, trace conduit 4,5, conduit 2, check valve 8, flow-stopping clip 7, filter 10, entry needle joint 11, three threeways 3,6,9 etc., wherein liquid storage cylinder 1 lower end links to each other with threeway 3 by conduit 2, micro tube 4 is passed through in this threeway two interfaces in addition respectively, 5 with threeway 6,9 connect, threeway 6 also is communicated with calibrated shot device 15 and threeway 9 with perfusion, threeway 9 another interfaces are by conduit 2 and filter 10, entry needle joint 11 is communicated with, be provided with check valve 8 in the conduit 2 between threeway 6 and the threeway 9, flow-stopping clip 7 is installed on the conduit.
What this utility model liquid storage cylinder 1 adopted is the soft capsule with elastic contractile force, the soft capsule of drug storage increases gradually owing to the injection of medicinal liquid, and generation is to the pressure of medicinal liquid, this pressure is about constant voltage, during use, need not use power supply, only rely on the elastic contractile force of the soft capsule of drug storage, accurate constant voltage continues to drive the injection medicinal liquid.Liquid storage cylinder 1 inlet is provided with check valve 13 and helmet 14.The medicinal liquid for preparing injects liquid storage cylinder 1 with syringe by the medicinal liquid import.Micro tube 4,5 adopts tiny aperture, its internal diameter is 0.001～0.2mm, during use, medicinal liquid can be by micro tube 4,5 control flows, on the one hand, liquid storage cylinder 1 ground that dependence has elastic contractile force drives, medicinal liquid automatically, continue, directly inject human body equably through parts such as threeway 3, micro tube 5, threeways 9; On the other hand, the dependence perfusion preestablishes with calibrated shot device 15, and medicinal liquid is absorbed in the liquid storage cylinder of its certain volume, and according to pain situation operation perfusion calibrated shot device control knob, the injection medicinal liquid is realized oneself's control by patient oneself.Pour into the drug storage chamber that is provided with certain volume in the calibrated shot device 15, piston rod is provided with control knob 16, presses control knob 16, and medicinal liquid can enter human body by threeway 6, conduit 2, check valve 8, threeway 9, filter 10 etc.Piston rod is provided with back-moving spring, after being pressed, control knob 16 can automatically reset, guarantee the negative pressure state of perfusion in the calibrated shot device 15, under the negative pressure state, through the medicinal liquid that micro tube 4 and threeway 3 are come at first enter perfusion with calibrated shot device 15 in, like this, patient oneself can be according to the pain situation, the operation perfusion is injected medicinal liquid with calibrated shot device control knob 16, realizes oneself's control.After drug storage chamber medicinal liquid is full of in pouring into calibrated shot device 15, when not injecting, can controls it by flow-stopping clip 7 and not flow.Micro tube 5 effusive medicinal liquids can be automatically, enter human body through threeway 9, conduit, filter 10, entry needle joint 11 etc. constantly, realize the trace of medicinal liquid, evenly, the stable injection.
Be provided with check valve 8 in the conduit 2 between this utility model threeway 6 and the threeway 9, the effect of check valve 8 is to guarantee that medicinal liquid enters human body smoothly, stops medicinal liquid to flow backwards, and supravasal flow-stopping clip 7 is used for controlling medicinal liquid and flows.The ultra-fine filter membrane material aperture that filter 10 adopts is even, careful, good filtration effect.This utility model also is respectively equipped with helmet 14,12 on medicinal liquid import, entry needle joint 11, so as not to contaminated, guarantee safe in utilization.
When this utility model uses, at first, the check valve 13 of medicinal liquid in the medicinal liquid import for preparing is injected in the liquid storage cylinder 1 with syringe.Then medicinal liquid is injected and be full of conduit, push perfusion, medicinal liquid is flowed out from entry needle joint 11 with calibrated shot device 15 control knobs 16, perfusion automatically resets with the piston of calibrated shot device 15, its drug storage chamber is negative pressure state, and micro tube 4,5 control medicinal liquids flow out, on request trace, evenly provide.Medicinal liquid preferentially enters perfusion with in the negative pressure drug storage chamber in the calibrated shot device 15, and patient oneself can be according to the pain situation, and the operation perfusion is injected medicinal liquid with calibrated shot device control knob 16, realizes oneself's control.After drug storage chamber medicinal liquid is full of in pouring into calibrated shot device 15, when not needing to inject, flow with flow-stopping clip 7 controls.Simultaneously, liquid storage cylinder 1 ground that dependence has elastic contractile force drives, medicinal liquid flows out through micro tube 5 control, automatically, continue, directly enter human body equably through conduit 2, threeway 3,9, filter 10, entry needle joint 11 etc., realize the trace of medicinal liquid, evenly, the stable injection.
This utility model simple structure, light, injection amount continue, evenly, stable, and can be as required by patient-controlled, good analgesic effect can be widely used in the treatment of postoperative pain, cancer of late stage pain and various intractable pains.
Claims (3)
1, a kind of lasting autocontrol analgesia medicinal liquid infusion appliance, it includes liquid storage cylinder, perfusion calibrated shot device, the trace conduit, conduit, check valve, flow-stopping clip, filter, the entry needle joint, it is characterized in that it also comprises three threeways (3), (6), (9), the liquid storage cylinder lower end links to each other with threeway (3) by conduit, this threeway in addition two interfaces respectively by micro tube and threeway (6), (9) connect, threeway (6) also is communicated with calibrated shot device and threeway (9) with perfusion, another interface of threeway (9) is by conduit and filter, the entry needle joint is communicated with, be provided with check valve in the conduit between threeway (6) and the threeway (9), flow-stopping clip is installed on the conduit.
2, lasting autocontrol analgesia medicinal liquid infusion appliance as claimed in claim 1 is characterized in that said liquid storage cylinder is the soft capsule with elastic contractile force, and its inlet is provided with check valve and helmet.
3, lasting autocontrol analgesia medicinal liquid infusion appliance as claimed in claim 1 is characterized in that said micro tube adopts tiny aperture, and its internal diameter is 0.001～0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248763 CN2453921Y (en) | 2000-09-27 | 2000-09-27 | Continuous self-control analgesic liquid injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248763 CN2453921Y (en) | 2000-09-27 | 2000-09-27 | Continuous self-control analgesic liquid injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2453921Y true CN2453921Y (en) | 2001-10-17 |
Family
ID=33607337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00248763 Expired - Fee Related CN2453921Y (en) | 2000-09-27 | 2000-09-27 | Continuous self-control analgesic liquid injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2453921Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451798A (en) * | 2020-11-20 | 2021-03-09 | 重庆倍加医疗器械有限公司 | Mechanical injector |
-
2000
- 2000-09-27 CN CN 00248763 patent/CN2453921Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112451798A (en) * | 2020-11-20 | 2021-03-09 | 重庆倍加医疗器械有限公司 | Mechanical injector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG WEIGAO GROUP MEDICAL POLYMER MANUFACTURIN Free format text: FORMER NAME OR ADDRESS: WEIHAI CITY MEDICAL HIGH POLYMER CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Shandong shingna medical manufacturing Limited by Share Ltd Patentee before: Medical High-Polymer Co., Ltd., Weihai City |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |