CN2317872Y - Disposable automatic continuous micro-medicine-injection pump - Google Patents
Disposable automatic continuous micro-medicine-injection pump Download PDFInfo
- Publication number
- CN2317872Y CN2317872Y CN 98201655 CN98201655U CN2317872Y CN 2317872 Y CN2317872 Y CN 2317872Y CN 98201655 CN98201655 CN 98201655 CN 98201655 U CN98201655 U CN 98201655U CN 2317872 Y CN2317872 Y CN 2317872Y
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- China
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- medicine
- medicine bag
- holder
- medicinal liquid
- lower house
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Abstract
The utility model relates to a disposable automatic continuous micro-medicine-injection device which is composed of a medicine storage injection device, a medicine guide tube and a flow controller, wherein the medicine storage injection device is composed of a casing and a medicine bag which is driven by standard constant pressure; the medicine bag is fixed on a medicine bag fixing seat on a lower casing; a medicine channel is arranged at the axial line position of the medicine bag fixing seat on the lower casing and a base; the middle part of the medicine channel is provided with a one-way valve; one end of the medicine guide tube is connected with the base through an inserting guide needle and a pressing nut; the flow controller is fixed on the medicine guide tube. The utility model has the advantages of homogeneous medicine injection speed, constant time, small dosage, good effect and small side effect, and can be widely used for the analgesia in preoperative period, such as chest analgesia and abdominal cavity analgesia, long-term analgesia for patients with tumour, thorax and intraperitoneal chemotherapy, and continuous medicine injection for vein and hepatic artery.
Description
This utility model relates to a kind of disposable trace killer injecting pump continuously automatically, is specially adapted to the analgesia in peri-operation period such as breast, abdominal cavity etc., also is widely used in the continuous injection of the prolonged control of pain of tumor patient and intraperitoneal chemotherapy and vein, Hepatic artery etc. etc.
At present, it has been recognized that the peri-operation period treatment of pain should be as one of hospital's work routinely.Carry out correct and effectively the peri-operation period analgesia not only can allow patient comfortable, happy and improve the security, and can reduce bad pain reaction and reduce complication, promote patient's early recovery.One of basic skills that the peri-operation period town is painful is that the epidural space town is painful, its advantage be few side effects, medicine and the screening of its effective dose easily, can repeated application, safe ready, its general requirement is that continuous infusion is answered in the epidural space administration.Up to the present, the disposable trace that injects analgesic continuously through epidural catheter of also finding to be used for peri-operation period by retrieval medicine injecting device continuously automatically.
The purpose of this utility model provides that a kind of injection speed is even, the time is lasting, dosage is little, effective, few side effects, disposable trace applied widely killer injecting pump continuously automatically.
The purpose of this utility model realizes in the following manner:
This utility model is by the drug storage medicine injecting device, medicinal liquid conduit and flow controller are formed, the drug storage medicine injecting device is formed by housing with by the medicine bag that accurate constant voltage drives, upper shell and lower house that housing is made by transparent material are formed, on, lower house is detachable the connection, top at upper shell is provided with steam vent, medicine bag is fixed on the medicine bag holder of lower house, the medicine bag holder on lower house and the axial location of base are provided with medicine liquid channel, be provided with check valve at the medicine liquid channel middle part, medicinal liquid conduit one end links by inserting guide pin and clamp nut and base, and flow controller is fixed on the medicinal liquid conduit.
During use, with syringe the medicine liquid channel inlet of medicinal liquid on lower house injected medicine bag, and then the medicine liquid channel that the medicinal liquid conduit is inserted on the guide pin insertion lower house enters the mouth, when inserting, back down check valve, the messenger drug liquid stream goes out, and medicinal liquid plays therapeutical effect along the medicinal liquid conduit through flow controller adjustment and the intravital different parts of control medicinal liquid injection people.
Below in conjunction with drawings and Examples this utility model is further described:
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 is the sketch map after the medicine bag of embodiment 1 fills medicine.
Fig. 3 is the structural representation of the drug storage medicine injecting device of embodiment 2 of the present utility model.
Fig. 4 is the structural representation of flow regulator.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the structural representation of quantitative flow amount controller.
Fig. 7 is the vertical view (after removing last over cap) of Fig. 6.
Fig. 8 is the A-A cutaway view of Fig. 6.
Fig. 9 is the structural representation of epidural catheter holder.
Figure 10 is the vertical view of Fig. 9.
Figure 11 is the left view of Fig. 9.
By Fig. 1,2, embodiment 1 shown in the 4-11 as can be known, this utility model is by the drug storage medicine injecting device, medicinal liquid conduit and flow controller are formed, the drug storage medicine injecting device is formed by housing with by the medicine bag that accurate constant voltage drives, upper shell that housing is made by transparent material (2) and lower house (8) are formed, on, lower house is detachable the connection, be provided with steam vent (1) on the top of upper shell, medicine bag is fixed on the medicine bag holder (9) of lower house, medicine bag holder (9) on lower house is provided with medicine liquid channel with the axial location of base (12), be provided with check valve (10) at the medicine liquid channel middle part, medicinal liquid conduit (15) one ends link with base (12) by inserting guide pin (13) and clamp nut (11), and flow controller is fixed on the medicinal liquid conduit.
Difformities such as that the hull shape of drug storage medicine injecting device can adopt is cylindrical, imitative capitate or ellipse, when housing adopts when cylindrical, its housing diameter is 4cm, length is 10cm.Medicine bag drug storage amount as required and not the coexisting between the 20-150 milliliter of specification.
Medicine bag shown in Figure 1 is a tubulose latex medicine bag (7), one end of tubulose latex medicine bag (7) is fixed on the medicine bag holder (9) of lower house with jump ring (4), the other end of tubulose latex medicine bag (7) is fixed on the guiding trocar sheath (5) with jump ring (4), the top of guiding trocar sheath (5) is provided with guiding medicated cap (3), be provided with guiding inner sleeve (6) on the medicinal liquid holder top of lower house, guiding inner sleeve (6) inserts among the guiding trocar sheath (5).
Internal diameter is 8mm before the injection of tubulose latex medicine bag, and external diameter is 10mm, and the effective length of medicine bag is 5cm between two jump rings, but once 50 milliliters of drug storages, when adjusting injection speed and being 2 milliliters/hour, sustainable use about 24 hours the patient painless.
Flow controller shown in Fig. 4,5 adopts flow regulator (14), the profile of flow regulator (14) is a cuboid, the bottom is provided with medicinal liquid catheter channel (21) therein, is provided with pressure pipe bolt hole and pressure pipe bolt (20) directly over medicinal liquid catheter channel (21).
During use the medicinal liquid conduit is passed the medicinal liquid catheter channel of flow regulator (14), adjusting pressure pipe bolt 120) extruding medicinal liquid conduit reaches required value to regulate medicinal liquid flow, the advantage of this flow regulator is the precision height, be convenient to adjust, and the pressure pipe bolt is positioned at the pressure pipe bolt hole, is difficult for touching or loosening when patient activity.
Flow controller also can adopt quantitative flow amount controller (seeing Fig. 6-8), and the quantitative flow amount controller is made up of capillary current limiting tube (23) and upper and lower over cap (22), (24), and upper and lower over cap is that clamping connects.The quantitative flow amount controller is to adopt the superfine capillary current limiting tube of internal diameter to carry out current limliting.
For cooperating epidural catheter to use at epidural space, still comprise that one is exclusively used in the fixedly epidural catheter holder of epidural catheter (seeing Fig. 9-11), the profile of epidural catheter holder (26) is a flat cuboid, be provided with an epidural catheter passage (25) that is 80-100 ° in the top, its vertical catheter channel is a through hole, and a slit (27) parallel with axis arranged at the top of its horizontal duct passage.Epidural catheter holder profile also can be butterfly or ellipse.
The epidural catheter holder is that plastic cement or flexible plastic are made, and epidural catheter or other pipeline are walked crosswise and passed wherein, turn back about 90 ° be stuck in the inside the semi-open type pipeline in, with immobilization with adhesive tape on skin.The epidural catheter holder can guarantee that epidural catheter or other pipeline fixedly secure on human body skin, but does not deviate from and life-time service from epidural space when activity.
In Fig. 1, (16) are clamp nut, and (17) are the ascending pipe joint.
The embodiment 2 shown in Figure 2 medicine bag of its drug storage medicine injecting device as different from Example 1 is a spherical latex medicine bag (19), and spherical latex medicine bag (19) is fixed on the medicine bag holder (9) of lower house with jump ring (4).
From embodiment 1,2 as can be seen, their medicine bag that is driven by accurate constant voltage all is the medicine bag of being made by latex, the medicine bag that its latex is made is the power source of this device, and medicine bag is because the injection of medicinal liquid and increase gradually and produce pressure to medicinal liquid, and this pressure is about constant voltage (being accurate constant voltage).
Embodiment 3 of the present utility model is that the steam vent (1) at upper shell locates to be equipped with check valve, is placed with the foaming agent powder of 0.1-2g between housing and medicine bag.Its medicine bag adopts health level non-toxic plastic bag, and other structure is with embodiment 1.With spicule this check valve is backed down during use, earlier medicinal liquid is injected medicine bag, then spicule is removed, inject little water from this check valve again, water and foaming agent effect produce gas, medicine bag is produced one than constant pressure, so that arrange medicinal liquid smoothly, and the check valve at steam vent place can not be overflowed the intravital gas of shell.
The utility model has the advantages that the principle that meets epidural space analgesia continuous use, rate of administration is even, Longer duration, drug dose is little, and analgesic effect is good, few side effects. Another advantage of the present utility model is Applied widely, can be widely used in peri-operation period such as chest, abdominal postoperative analgesia. Some is needed longer-term Analgesic patient such as late tumor patient or special requirement analgesic patient is arranged also can be inserted at epidural space firmly The film outer catheter adopts this therapy. In addition, also can be used for chest, abdominal cavity, that waits in the intravenous, arteria hepatica is continuous The specific (special) requirements of a small amount of injection chemotherapy or the slowly a small amount of injection of continuous long period of intravenous etc.
Claims (8)
1, the automatically continuous medicine injecting device of a kind of disposable trace, it is characterized in that it is by the drug storage medicine injecting device, medicinal liquid conduit and flow controller are formed, the drug storage medicine injecting device is formed by housing with by the medicine bag that accurate constant voltage drives, upper shell that housing is made by transparent material (2) and lower house (8) are formed, on, lower house is detachable the connection, be provided with steam vent (1) on the top of upper shell, medicine bag is fixed on the medicine bag holder (9) of lower house, medicine bag holder (9) on lower house is provided with medicine liquid channel with the axial location of base (12), be provided with check valve (10) at the medicine liquid channel middle part, medicinal liquid conduit (15) one ends link with base (12) by inserting guide pin (13) and clamp nut (11), and flow controller is fixed on the medicinal liquid conduit.
2, killer injecting pump according to claim 1 is characterized in that medicine bag is a spherical latex medicine bag (19), and spherical latex medicine bag (19) is fixed on the medicine bag holder (9) of lower house with jump ring (4).
3, killer injecting pump according to claim 1, it is characterized in that medicine bag is a tubulose latex medicine bag (7), one end of tubulose latex medicine bag (7) is fixed on the medicine bag holder (9) of lower house with jump ring (4), the other end of tubulose latex medicine bag (7) is fixed on the guiding trocar sheath (5) with jump ring (4), the top of guiding trocar sheath (5) is provided with guiding medicated cap (3), be provided with guiding inner sleeve (6) on the medicinal liquid holder top of lower house, guiding inner sleeve (6) inserts among the guiding trocar sheath (5).
4, killer injecting pump according to claim 1 is characterized in that the steam vent (1) at upper shell locates to be equipped with check valve, is placed with the foaming agent powder of 0.1-2g between housing and medicine bag.
5, according to claim 2 or 3 or 4 described killer injecting pumps, it is characterized in that flow controller adopts flow regulator (14), the profile of flow regulator (14) is a cuboid, the bottom is provided with medicinal liquid catheter channel (21) therein, is provided with pressure pipe bolt hole and pressure pipe bolt (20) directly over medicinal liquid catheter channel (21).
6, according to claim 2 or 3 or 4 described killer injecting pumps; it is characterized in that flow controller adopts the quantitative flow amount controller; the quantitative flow amount controller is made up of capillary current limiting tube (23) and upper and lower over cap (22), (24), and upper and lower over cap is that clamping connects.
7, killer injecting pump according to claim 5, it is characterized in that it also has an epidural catheter holder (26), the profile of epidural catheter holder is a flat cuboid, be provided with an epidural catheter passage (25) that is 80-100 ° in the top, its vertical catheter channel is a through hole, and a slit (27) parallel with axis arranged at the top of its horizontal duct passage.
8, killer injecting pump according to claim 6, it is characterized in that it also has an epidural catheter holder (26), the profile of epidural catheter holder is a flat cuboid, be provided with an epidural catheter passage (25) that is 80-100 ° thereon, its vertical catheter channel is a through hole, and a slit (27) parallel with axis arranged at the top of its horizontal duct passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98201655 CN2317872Y (en) | 1998-03-03 | 1998-03-03 | Disposable automatic continuous micro-medicine-injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98201655 CN2317872Y (en) | 1998-03-03 | 1998-03-03 | Disposable automatic continuous micro-medicine-injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2317872Y true CN2317872Y (en) | 1999-05-12 |
Family
ID=33958878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98201655 Expired - Fee Related CN2317872Y (en) | 1998-03-03 | 1998-03-03 | Disposable automatic continuous micro-medicine-injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2317872Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376294C (en) * | 2002-11-08 | 2008-03-26 | 山东威高集团医用高分子制品股份有限公司 | Precision antalgic transfusion device |
| CN105056339A (en) * | 2015-08-07 | 2015-11-18 | 北京伏尔特技术有限公司 | Continuous positive pressure indwelling needle and installation and using method thereof |
-
1998
- 1998-03-03 CN CN 98201655 patent/CN2317872Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376294C (en) * | 2002-11-08 | 2008-03-26 | 山东威高集团医用高分子制品股份有限公司 | Precision antalgic transfusion device |
| CN105056339A (en) * | 2015-08-07 | 2015-11-18 | 北京伏尔特技术有限公司 | Continuous positive pressure indwelling needle and installation and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |