CN2259907Y - Two ends controlled medical automatic infusion pump - Google Patents

Abstract

The utility model discloses a two ends controlled medical automatic injection pump, comprising a control table, an injection pump and a cable between the control table and the injection pump. The utility model is characterized in that panels of the control table and the injection pump are equally provided with selecting keys of three running states of injection, reset and stopping. The running state selecting keys which are arranged on the control table and the injection pump are respectively connected with a respective running state selecting unit, and homonymy ends of the three selecting keys are mutually connected. The panel of the injection pump is provided with selecting keys of 60 ml and 100 ml injectors. The utility model causes an operator to conveniently perform injection operation, reset operation, running stopping operation, etc. no matter in an operating room or in a scanning room.

Description

A kind of double-ended control automatic medical injection pump

This utility model relates to technical field of medical instruments, specifically a kind of double-ended control automatic medical injection pump.

Prior art ZL92223337.3 has provided the automatic syringe pump of a kind of medical distant control, and it has solved the remote controlled injection problem of contrast agent of CT and radiology department, can make the staff avoid x ray irradiation x.The part yet it still comes with some shortcomings, for example its operation control can only be carried out at control station one end, makes troubles for the operation of syringe pump one end that is in compartment; Its injection volume metering demonstration is located at syringe pump one end, so the compartment operator are difficult for observing variable.

The purpose of this utility model is to provide a kind of double-ended control automatic medical injection pump, make operator in control cabinl pulpit (place, control station place) or scanning room (or bulb chamber, place, syringe pump place) all can operate control and can observe injection (or resetting) variable syringe pump easily.

The purpose of this utility model is achieved through the following technical solutions, specifically comprise control station, syringe pump and the connection cord between the two, it is characterized in that said control station and syringe pump are provided with one group of running status separately and select circuit, and be equipped with injection key, reset key and three kinds of running status options buttons of stop key on its panel.Three kinds of running status options buttons on control station and the syringe pump respectively with separately comprise non-inverting buffer, d type flip flop, injection operation display lamp, the display lamp that resets, stop running status selected cell such as display lamp and link that the lead of end of the same name in cable of three kinds of running status options buttons on said control station and the syringe pump connects mutually.

Advantage of the present utility model is two independent extension sets of a whole set of instrument, console section is placed in operating room, and syringe pump partly is placed in scanning room's (or bulb chamber), and two extension sets are linked to each other by cable.Compartment is installed the present situation that meets domestic and foreign hospitals image section office, is not increasing any security protection facility, is satisfying under the condition of clinical diagnosis requirement, makes medical personnel not be subjected to roentgen radiation x; This machine for the CT angiographic diagnosis can provide needed multiple contrast-medium injection condition in delaying sweep, dynamic scan, the synchronous scanning application, can improve the reinforced effects and the focus Differential Diagnosis level of image in the setting of console section function button greatly.And the function button of syringe pump part be operator's safety, the patient does preform injection check, very convenient with the injection volume of routine patient under the numeral demonstration quantitative selection nearby quickly.This utility model also can be used for interventional therapy, and the accurate injection of each X of section line angiographic diagnosis and anesthetis, cancer therapy drug etc. are for clinical medicine provides armarium of new generation.

This utility model has following accompanying drawing:

Fig. 1 automatic medical injection pump overall schematic

Fig. 2 running status selected cell electricity principle schematic (control station part)

Fig. 3 running status selected cell electricity principle schematic (syringe pump part)

Fig. 4 syringe pump modular construction sketch map

Below in conjunction with accompanying drawing this utility model is elaborated.

Fig. 1 is this utility model overall schematic, comprises control station 1, syringe pump 2 and the connection cord between the two 3.Be equipped with injection key I (S1), reset key R (S2) and three kinds of running status options buttons of stop key S (S3) on the panel of control station 1 and syringe pump 2, and the respective wire of end of the same name in cable 3 of these three kinds of running status options button S1, S2, S3 connects mutually.Like this, though operator at control cabinl pulpit or in the scanning room, all can be to three kinds of running statuses of the present utility model--injection (INJECTION), reset (RESET) and stop (STOP) and control, make the operation of syringe pump convenient.Three kinds of running status options buttons on control station and the syringe pump link with separately running status selected cell respectively, the circuit of running status selected cell is formed and connecting mode can adopt the circuit that is used for control station one end in the prior art to form and connecting mode, also can design, make up by known technology.

Fig. 2, Fig. 3 have provided a kind of running status selected cell electricity principle schematic, and wherein Fig. 2 is a partly circuit diagram of control station, and Fig. 3 is a partly circuit diagram of syringe pump.The running status selected cell comprises that non-inverting buffer IC8, the d type flip flop IC7 of these two parts, injection move display lamp P1, the display lamp P2 that resets, stop display lamp P3.Running status selection key S1, the end I of the same name of S2, S3, R, S in this two parts circuit connect respectively by the respective wire correspondence in the cable 3, can carry out the both-end operation.For example: when pressing control station injection key S1,3 feet of non-inverting buffer among Fig. 2, Fig. 3 (for example can select CD4050 for use) IC8:A all obtain a high level, its outfan is the homophase high level, this high level is delivered to 4 feet of IC7, simultaneously through diode D1 (available 4148)) deliver to 9 feet of IC8:D, then its high level is delivered on the clock end 9 of IC7, and when the arbitrary input of D0～D3 of 9 feet of IC7 and IC7 obtained high level simultaneously, the outfan of IC7 could the change state.Make 3 feet of d type flip flop IC7 (as selecting CD40175 for use) be electronegative potential, the injection operation display lamp P1 of two parts is bright; Control station is the 2 feet output high potential of d type flip flop IC7 partly, cause electrical switch (for example can select CD4066 for use) IC9:A and IC9:D conducting, make injection deliver to three-phase pulse generator IC10 (for example can select CH250 for use) through electrical switch IC9:A when quantizing pulse, again because of the conducting of electrical switch IC9:D, 1 foot that then makes three-phase pulse generator IC10 is a high potential, and to make 2 feet of three-phase pulse generator IC10 by NAND gate IC11:A (can adopt CD4011) be electronegative potential, impel the three-phase pulse sequence of IC10 output, through power amplification, motor is just changeed, inject operation.The 2 feet output high potential of the d type flip flop IC7 of two parts, control IC6:A13 foot separately also is a high level, and the IC6:B12 foot all is a low level, make the injection measurement unit of control station part and the metering units that resets of syringe pump part all carry out subtraction, the medicinal liquid in the expression syringe reduces gradually.And for example: when pressing the key S3 out of service of arbitrary end, then the non-inverting buffer IC8:C among Fig. 2, Fig. 3 obtains high potential, and the upset of d type flip flop IC7 makes that to stop display lamp P3 bright.At this moment, because of electrical switch IC9:A, IC9:C end, no pulse is sent into pulse generator IC10, and motor promptly stops operating, and syringe pump is out of service.For another example: when needs reset operation, press the operation key S2 that resets of arbitrary end, 5 feet of the buffer IC8:B in two part circuit obtain a high potential simultaneously, and through the conversion of trigger IC7, the display lamp P2 that resets in the two part circuit is bright.At this moment, control station is the 7 feet output high potential of trigger IC7 partly, make all conductings of electrical switch IC9:B, IC9:C, 1 foot that makes three-phase pulse generator IC10 is a low level, and 2 is high level, reset pulse is delivered to IC10 through 3 feet and the electrical switch IC9:C of IC6:C, simultaneously, again because of the IC9:B conducting, making 2 feet of IC10 through inverter ic 11:A is high level, 1 foot low level, IC10 output makes the pulse train of motor counter-rotating, and syringe pump is resetted.7 feet of Bu Fen IC7 are because of the output high level separately, make 13 feet of the IC6:A of two parts obtain low level, and 12 feet of IC6:B are high level, make the injection volume metering units of control station and the amount of the resetting metering units of syringe pump part all do additive operation, expression medicinal liquid inhalation syringe.Design of the present utility model makes the operator all can realize the selection of running status at control station or the arbitrary end of the injection pump housing, and can point out selected running status with display lamp.

Because the operator changes, select syringe normally to carry out at scanning room's syringe pump one end, for this reason, this utility model is provided with 60ml on said syringe pump panel, 100ml syringe options button S5, S4,60ml syringe options button S5 with comprise non-inverting buffer IC35:b, d type flip flop IC34,60ml syringe display lamp P11 (see figure 3), electrical switch IC33:A, 60ml syringe agitator IC32, isolating diode D11, equivalent changer IC23 (see figure 2), the 60ml automatic stop photoelectrical coupler PH4 that resets, Schmidt trigger IC31:A, IC31:b and isolating diode D6 constitute (see figure 3) 60ml syringe and select circuit.100ml syringe options button S4 constitutes 100ml syringe selection circuit with comprising non-inverting buffer IC35:A, d type flip flop IC34,100ml syringe display lamp P10, electrical switch IC33:B, 100ml syringe with reset automatic stop photoelectrical coupler PH1, Schmidt trigger IC9:A, IC9:B and isolating diode D4 of agitator IC12, isolating diode D12, equivalent changer IC23,100ml.Reset automatic stop photoelectrical coupler PH1, PH4 of said 100ml and 60ml is separately positioned on the left end and the middle part of the pump housing 14, i.e. 26 among Fig. 4 and 25.

Below to be placed in syringe pump partly the syringe options button and the work process of related circuit be described.

When using the 100ml syringe, press the 100ml options button S4 among Fig. 3 earlier, non-inverting buffer (can select CD4050 for use) IC35:A exports high potential, making 3 feet of d type flip flop IC34 (can select CD40175 for use) is electronegative potential, at this moment, display lamp P10 is bright, now selects the 100ml syringe for use to point out; The 2 feet output of trigger IC34 then is high level, through cable 3, arrive control station, make electrical switch (can select CD4066 for use) IC33:B conducting, then deliver to equivalent changer IC23 (can select CD4527 for use) through electrical switch IC33:B and isolating diode D12 (can select 4148 for use) corresponding to agitator (can select CD4047 for use) the IC12 output signal of 100ml syringe, when at this moment selecting the injection operation, changer IC23 output and the corresponding equivalent pulse of 100ml syringe stroke, deliver to three-phase pulse generator IC10, drive motors is injected operation.When resetting operation, the dark slide 23 (referring to Fig. 4) that is located on the nut 20 is moved from right to left, up to its blocking 100ml automatic stop photoelectrical coupler 26 that resets (is the PH1 among Fig. 3, can select GK122 for use) time, the F point of photoelectrical coupler PH1 is a high potential, through Schmidt trigger IC9:A and IC9:B (referring to Fig. 3, IC9 can select CD40106 for use) after the shaping, send a high voltage to arrive 7 feet of buffer IC8:C among Fig. 2, Fig. 3 simultaneously through isolating diode D4, impel IC8, IC7 conversion, stopping light P3 is all bright, motor 11 automatic stops.

When selecting the 60ml syringe for use, should press 60ml syringe options button S5 earlier, 5 feet of electrical switch IC35:b obtain a high potential, then 6 feet of trigger IC34 are electronegative potential, display lamp P11 is bright, to select the 60ml syringe to point out now, simultaneously, 7 feet of trigger IC34 are high level, deliver to control station through cable 3, then make electrical switch IC33:A and IC33:C conducting simultaneously among Fig. 2, the IC33:A conducting, the 60ml syringe is passed through smoothly with agitator IC32 (can select CD4047 for use) pulse, deliver to 9 feet of equivalent changer IC23 through isolating diode D11, simultaneously, electrical switch IC33:C conducting, then be the 60ml automatic stop photoelectrical coupler 25 (be the PH4 among Fig. 3, can select GK122 for use) that resets, Schmidt trigger IC31:A and IC31:b provide power Vcc.At this moment, when pressing the injection operation, be patient's injection then with the 60ml syringe.When resetting operation, when dark slide 23 moves left to photoelectrical coupler 25, because of the IC33:C conducting, and PH4 gets electric its F point output high level, after trigger IC31 shaping, deliver to 7 feet, one high potential of the buffer IC8:C of Fig. 2, Fig. 3 by isolating diode D6, motor is shut down.

No matter select the syringe of any specification to inject when moving, dark slide 23 runs to pump housing low order end and stops that D5 sent high level by diode when injection stopped photoelectrical coupler 24 (be PH2 among Fig. 3, can select GK122 for use) automatically, and motor stops operating.

Fig. 4 is a syringe pump assembly frame for movement sketch map, and it still can adopt structure of the prior art, is made of machine power, pump assembly and syringe fixed support.Motor 11 is fixedlyed connected with small belt pulley 12, and screw mandrel 15 is fixedlyed connected with big belt pulley 13, is connected with driving belt 16 between the large and small belt pulley 13,12.Screw mandrel 15 two ends are supported by bearing 17,18, are installed in the pump housing 14, and the outside of screw mandrel 15 is set with the operation sleeve 19 with the coaxial output of motive force.The outer ring of bearing 17 and the pump housing 14 tight fits, the outer ring of bearing 18 and operation sleeve 19 clearance fit.Screw mandrel 15 is provided with nut 20, and when screw mandrel rotated, nut can move forward and backward vertically.Fixedlying connected with nut 20 in the rear end of operation sleeve 19, can axially seesaw with nut.In order to guarantee that sleeve 19 does not rotate, (for example downside) has locating slot 30 vertically on telescopic outer wall, and the pump housing 14 is provided with the alignment pin 31 of precession locating slot 30.Like this, when leading screw rotated, nut will drive sleeve along axis front and back rectilinear motion.Syringe pump can be injected easily in order to make, localized automatic control, this utility model has been done corresponding improvement to being provided with of original spacing automatic control, concrete scheme is as follows: the top of the pump housing 14 has groove 32, dark slide 23 is installed on the nut 20, dark slide 23 is stretched out from groove 32, and can prolong the groove rectilinear motion.The front end of the pump housing 14 is provided with the spacing photoelectrical coupler 24 of injection, and the middle part of the pump housing and rear end are provided with 60ml and the 100ml spacing photoelectrical coupler 25,26 that resets.Adopt photoelectrical coupler, dark slide to inject, reset the automatic circuit theory of controlling as previously mentioned.

Claims (2)

1. double-ended control automatic medical injection pump, comprise control station (1), syringe pump (2) and the connection cord between the two (3), it is characterized in that being equipped with on the panel of said control station (1) and syringe pump (2) injection key S1, three kinds of running status options buttons of reset key S2 and stop key S3, three kinds of running status options button S1 on control station (1) and the syringe pump (2), S2, S3 respectively with separately comprise non-inverting buffer IC8, d type flip flop IC7, injection operation display lamp P1, the display lamp P2 that resets links three kinds of running status options button S1 on said control station (1) and the syringe pump (2) with the running status selected cell that stops display lamp P3, S2, the lead of the end of the same name of S3 in cable (3) connects mutually.

2. automatic syringe pump according to claim 1, it is characterized in that said syringe pump panel is provided with 60ml, 100ml syringe options button S5, S4,60ml syringe options button S5 with comprise non-inverting buffer IC35:b, d type flip flop IC34,60ml syringe display lamp P11, electrical switch IC33:A, 60ml syringe agitator IC32, isolating diode D11, equivalent changer IC23, the 60ml automatic stop photoelectrical coupler (25) that resets, Schmidt trigger IC31:A, the 60ml syringe of IC31:b and isolating diode D6 selects circuit to link, 100ml syringe options button S4 with comprise non-inverting buffer IC35:A, d type flip flop IC34, the 100ml automatic stop photoelectrical coupler (26) that resets, Schmidt trigger IC9:A, the 100ml syringe of IC9:B and isolating diode D4 selects circuit to link, said 100ml and the 60ml automatic stop photoelectrical coupler (26 that resets, 25) be separately positioned on the left end and the middle part of the pump housing (14).

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