CN2320263Y

CN2320263Y - Automatic timing and quantitative medicine injector

Info

Publication number: CN2320263Y
Application number: CN 98220124
Authority: CN
Inventors: 孙华; 荐世春
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-01-23
Filing date: 1998-01-23
Publication date: 1999-05-26
Anticipated expiration: 2008-01-23

Abstract

The utility model discloses an automatic timing and quantitative medicine injector. An infusion needle, an injector and a liquid bottle are communicated by a three-way pipe, a connection pipe between the three-way pipe and the liquid bottle is positioned in a trepan boring, the end part of a plunger on the injector is positioned at a stepping head position of a stepping motor controlled by an electric control circuit, a positioning block provided with a trepan boring and a pore canal and communicated with a machine casing is positioned on the machine casing, a shut-off valve controlled by an electric control circuit is positioned on the positioning block, a pushing shaft is arranged on the shut-off valve, the pushing shaft is positioned in the pore canal, and the task of automatic timing and quantitative medicine injection can be completed.

Description

The quantitative medicine injecting device of self-timing

This utility model relates to a kind of medical apparatus and instruments, is specially the quantitative medicine injecting device of a kind of self-timing.

At present, medical institutions to patient at regular time and quantity repeatedly intravenous drug all adopt usual way, be that medical personnel are earlier with aseptic empty needle suction medicine, and then separation transfusion sword-shaped needle vein advances, every injection once will repeat once, this method has not only that work is loaded down with trivial details, labor intensity is big, ineffective defective, and have the defective that is difficult to accurately control dosage and shot to shot turnaround, all need an acupuncture owing to whenever be administered once simultaneously, bring multiple acupuncture misery to patient, this is the another unsurmountable defective of its existence.

Task of the present utility model is to provide a kind of quantitative medicine injecting device of self-timing that is enough to overcome above-mentioned defective for medical institutions.

The technical solution of the utility model is: be connected with liquid bottles, syringe and transfusion needle respectively by tee T, and by by the step motor control syringe of time relay control with by tube for transfusion by the shutoff valve controlling liquid bottle of time relay control, realize that stop valve work makes liquid bottles stop transfusion when motor is worked, promote transfusion device work simultaneously and finish the task of injection, infusion bottle begins transfusion when stepping motor quits work, thereby finishes the task of transfusion.

Specific tasks of the present utility model be with reference to the accompanying drawings shown in scheme realize.

Accompanying drawing 1 has provided the novel structural representation of this reality;

Accompanying drawing 2 has provided the electrical control circuit figure in the accompanying drawing 1.

In accompanying drawing 1, (1) is liquid bottles, (2) be the Mo Feishi dropper, (3) be adjustable clamp, (4) be tee T, (5) be filter, (6) be infusion needle, (7) be connection tube, (8) be syringe, (9) be motor, (10) be casing, (11) be shutoff valve, (12) be support, (13) be locating rack, (14) be display lamp, (15) be base, (16) be switch, (17) be adjusting knob inject time, (18) be adjusting knob blanking time, (19) be trepanning, (20) be locating piece, (21) be spring, (22) be impeller-hub, (23) be Rubber end, (24) be connection tube, (25) be the duct.

In accompanying drawing 2, K is the switch (16) in the accompanying drawing 1, and D is a fuse, and X is the display lamp (14) in the accompanying drawing 1, K ₁, K ₂Be the time relay, K _1-1, K _1-2Be the time relay (K ₁) normally-closed contact, K _1-3Be time relay K ₁Normally opened contact, K _2-1Be time relay K ₂Normally-closed contact, M be motor (9) in the accompanying drawing 1, K ₃Be shutoff valve (11) in the accompanying drawing 1.

With reference to the accompanying drawings, one end of tee T (4) is connected with connection tube (24), adjustable clamp (3) is passed through in trepanning (19) back that connection tube (24) passes on the positioning seat (20), Mo Feishi dropper (2) back is connected with liquid bottles (1) on hanging on the support (12) that has base (15), second end of tee T (4) is connected with syringe (8) by connection tube (7), the 3rd end of tee T (4) is connected with infusion needle (6) through filter (5) back, on support (12), be positioned with casing (10), upward be positioned with syringe (8) in casing (10) by locating rack, end in casing (10) is positioned with locating piece (20), end at locating piece (20) has trepanning (19), centre at the other end of locating piece (20) has the duct that has step (25) that is connected with trepanning (19), be positioned with shutoff valve (11) in the end of the locating piece that has duct (25) one ends, shutoff valve (11) is provided with the impeller-hub (22) that has Rubber end (23) in its end, and its impeller-hub (22) is placed among the duct (25), step in the duct (25) is provided with spring (21), the other end in casing (10) is positioned with motor (9) and makes the stepping head of its this motor (9) place the end of the plunger on the syringe (8) to locate, on the panel of casing (10), be respectively arranged with the time adjusting knob (17) and (18) and display lamp (14) and the switch (16) that have the graduated time relay, in casing (10), be equipped with by time relay K ₁And K ₂The electrical apparatus control circuit of forming.

2 electrical apparatus control circuits described in the utility model are with reference to the accompanying drawings: an end of alternating current power supply by after fuse D and the K switch respectively with time relay K ₁, K ₂An end and the time relay K of actuating coil ₁Normally-closed contact K _1-2An end be connected time relay K ₁The other end of actuating coil passes through by time relay K ₁One group of normally-closed contact K _1-1With time relay K ₂One group of normally-closed contact K _2-1Be connected time relay K with the other end of alternating current power supply behind the parallel circuit of forming ₁Normally-closed contact K _1-2The other end respectively by motor M and shutoff valve K ₃The back is connected time relay K with the other end of alternating current power supply ₂The other end of actuating coil is by time relay K ₁Normally opened contact K _1-3The back is connected with the other end of alternating current power supply.

Below will be described as follows work process of the present utility model with reference to the accompanying drawings:

Use this utility model to patient at regular time and quantity repeatedly during intravenous drug, earlier the medicine of predesignating is inserted respectively in syringe (8) and the liquid bottles (1), then according to respectively adjusting knob inject time (17) and adjusting knob blanking time (18) being placed pre-determined inject time and blanking time after the corresponding position, connect K switch, at this moment time relay K ₁Timework, motor M work pushing syringe (8) is injected, and shutoff valve (11) work simultaneously promotes Rubber end (23) and gives the transfusion of connection tube (24) one pressure closing liquid bottles, when the time relay K ₁When marching to official hour, K ₁Its normally-closed contact K works _1-1Disconnect K _1-3Closure is cut off the working power of motor and shutoff valve, and motor quits work and finishes shot task, shutoff valve quits work simultaneously, shutoff valve under the effect of spring (21) (11) reinstatement attitude, liquid bottles (1) continues transfusion, at this moment time relay K ₂K is worked as in timework ₂When proceeding to official hour, K ₂Quit work its normally-closed contact K _2-1Closure, time relay K ₁The injection process second time is carried out in the work of reclocking, and goes round and begins again inject time, the blanking time of intravenous injection repeatedly at regular time and quantity that can be predetermined in advance according to people.

In sum, can effectively realize task of the present utility model, for society provides a kind of self-timing quantitative medicine injecting device, and have simple in structure, easy to use, the characteristics that degree of accuracy is high.

Claims

1, the quantitative medicine injecting device of self-timing, comprise liquid bottles (1), Mo Feishi dropper (2), adjustable clamp (3), tee T (4), filter (5), infusion needle (6), connection tube (7), syringe (8), motor (9), casing (10), shutoff valve (11), support (12), locating rack (13), display lamp (14), base (15), switch (16), adjusting knob inject time (17), adjusting knob blanking time (18), trepanning (19), locating piece (20), spring (21), impeller-hub (22), Rubber end (23), connection tube (24), duct (25) and by time relay K ₁, K ₂The electrical apparatus control circuit of forming, it is characterized in that tee T (4) one ends are connected with connection tube (24), adjustable clamp (3) is passed through in trepanning (19) back that connection tube (24) passes on the positioning seat (20), Mo Feishi dropper (2) back is connected with liquid bottles (1) on hanging on the support (12) that has base (15), second end of tee T (4) is connected with syringe (8) by connection tube (7), the 3rd end of tee T (4) is connected with infusion needle (6) through filter (5) back, on support (12), be positioned with casing (10), upward be positioned with syringe (8) in casing (10) by locating rack, end in casing (10) is positioned with locating piece (20), end at locating piece (20) has trepanning (19), centre at the other end of locating piece (20) has the duct that has step (25) that is connected with trepanning (19), be positioned with shutoff valve (11) in the end of the locating piece that has duct (25) one ends, shutoff valve (11) is provided with the impeller-hub (22) that has Rubber end (23) in its end, and its impeller-hub (22) is placed among the duct (25), step in the duct (25) is provided with spring (21), the other end in casing (10) is positioned with motor (9) and makes the stepping head of its this motor (9) place the end of the plunger on the syringe (8) to locate, on the panel of casing (10), be respectively arranged with the time adjusting knob (17) and (18) and display lamp (14) and the switch (16) that have the graduated time relay, in casing (10), be equipped with by time relay K ₁And K ₂The electrical apparatus control circuit of forming.

2, the quantitative medicine injecting device of self-timing according to claim 1, it is characterized in that said electrical apparatus control circuit be alternating current power supply an end by after fuse D and the K switch respectively with time relay K ₁, K ₂An end and the time relay K of actuating coil ₁Normally-closed contact K _1-2An end be connected time relay K ₁The other end of actuating coil passes through by time relay K ₁One group of normally-closed contact K _1-1With time relay K ₂One group of normally-closed contact K _2-1Be connected time relay K with the other end of alternating current power supply behind the parallel circuit of forming ₁Normally-closed contact K _1-2The other end respectively by motor M and shutoff valve K ₃The back is connected time relay K with the other end of alternating current power supply ₂The other end of actuating coil is by time relay K ₁Normally opened contact K _1-3The back is connected with the other end of alternating current power supply.