CN2184442Y

CN2184442Y - Medical multifunction intravenous drip alarm

Info

Publication number: CN2184442Y
Application number: CN 92242826
Authority: CN
Inventors: 明鉴; 肖占军; 荆张强
Original assignee: BUILDING MATERIAL DESIGN INST
Current assignee: BUILDING MATERIAL DESIGN INST
Priority date: 1992-12-25
Filing date: 1992-12-25
Publication date: 1994-12-07
Anticipated expiration: 2002-12-25

Abstract

The utility model relates to a medical multifunction intravenous drip alarm, which comprises a sensing device which is composed of clamping capacitance sheets, a liquid crystal display device, an automatic alarm and a processing and output display circuit. The utility model has the advantages that the utility model combines sound, light and digital display into integration. The frequency of the intravenous drip ranges from upper limit alarm and lower limit alarm. When the intravenous drip finishes or the intravenous drip is blocked, the intravenous drip alarm can give an alarm automatically, the frequency of the intravenous drip can be normally displayed, and time and capacity can be automatically displayed in the way of accumulation. The utility model can replace nursing personnel to monitor the situation of the intravenous drip, improves nursing conditions, and avoids medical accidents.

Description

Medical multifunction intravenous drip alarm

This utility model belongs to a kind of alarm device, particularly a kind of medical multi-functional drop alarm device.

Have an intravenous drip and obtain general application as conventional and effective treatment means at medical department, but it is more time-consuming to have an intravenous drip, and the next door must have the nursing staff to observe the drop situation at any time, easily increase nursing staff's feeling of fatigue, under individual cases, also can occur because nursing is inconsiderate, in time not remove and drip and air is imported the accident of blood vessel.

The purpose of this utility model provides a kind of medical multifunctional drop alarm, has drop frequency upper and lower limit and reports to the police, and drop finishes, obstruction is reported to the police, normal demonstration of drop frequency and time, the capacity Presentation Function that adds up automatically.Thereby alleviate nursing staff's work load, avoid malpractice to take place.

The purpose of this utility model is achieved in that it comprises sensing device, liquid crystal indicator, autoalarm, processing and output display circuit, and its technical scheme main points are:

A, sensing device are formed by clamping capacitance sheet, and it connects with liquid crystal indicator;

B, the display that processing and output display circuit are made of latch decoder/driver is received the decoder driver outfan in the control gate circuit, on second enumerator of the output termination time counter of crystal oscillation circuit, outfan in the input termination crystal oscillation circuit of booster circuit, the outfan of alarm detection circuit divides three tunnel corresponding end that connect d type flip flop and JK flip-flop, d type flip flop in the alarm detection circuit and the outfan of JK flip-flop through with the outfan of door circuit taking alarm, the outfan of the CP termination alarm detection circuit of first digit counter in the drop enumerator, the final output termination time counter in the frequency divider.

The utility model has the advantages that: collection sound, light, digital display are shown one; The drop frequency is positioned at upper and lower limit and reports to the police; Drop finishes, blocks automatically reports to the police; The normal demonstration of drop frequency; The demonstration that adds up automatically of time, capacity; Substitute the nursing staff and monitor, improve nursing condition, avoid the generation of malpractice.

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is sensing device of the present utility model and liquid crystal indicator sketch map.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is circuit theory diagrams of the present utility model.

Fig. 4 is the decade computer circuit diagram.

Fig. 5 is the sextuple denotation counter circuit diagram.

See Fig. 1,2, sensing device clamps capacitance sheets 1 by two to be formed, and it connects with liquid crystal indicator 2, during use, clamping capacitance sheet 1 is stuck on the plastics pipeline section of drop sebific duct and gets final product.See Fig. 3-5, the circuit diagram principle is as follows:

The control gate circuit is the circuit that is used for distinguishing control time and capacity demonstration, form by 4 selection/decoding circuits, from a high position to the low level in respectively corresponding one group of several 4 numeral one, each selection/decoding circuit by 1 decoder driver and 4 or, 8 forms with door, 8 with in each meet time counter and four corresponding digit order number binary numbers of capacity enumerator one respectively with an input.8 outfans with door connect respectively 4 or input, 4 or gate output terminal are received the corresponding position of decoder input respectively.To send 4 bits of one group of correspondence.Above-mentioned and door and or door also can be with DG4081A 42 inputs of CMOS integrated circuit and 42 inputs or the door replacement discrete component of door and DG4071A.

Time counter is to be used for counting the time of having an intravenous drip, and it forms second, branch, hour counter by 3 decade computer SJC and two sextuple denotation counter SJC.The D15 1HZ outfan of CP termination 15 frequency dividing circuits of first enumerator LJC, the CP end that overflows second enumerator LJC of termination of first enumerator SJC, and the like, connecting enumerator in turn, the Q end of each enumerator connects the input of the corresponding digit order number of control gate respectively.Each enumerator all adopts elements such as JK flip-flop, NAND gate, not gate to be formed by connecting, and also can replace discrete device with TTL integrated circuit DG74726 four JK flip-flops.The count pulse of this circuit is to be realized by the 1HZ square wave of frequency divider after to oscillating circuit 15 frequency divisions.

Drop capacity enumerator is used for counting the drop number, has automatic accumulation function, and the final capacity of display is a milliliter.It is made up of 5 decade computer SJC, the input CP of the first digit counter SJC receives the outfan of drop testing circuit, the CP end that overflows second enumerator of termination of enumerator SJC, and the like, connect enumerator in turn, the Q end of each enumerator connects the input of the corresponding numeral of control gate respectively.

Crystal oscillation circuit is used for producing time-base signal, frequency of oscillation is 32768HZ, produces the second enumerator that the 1HZ signal connects time counter through 15 frequency divisions, connects the colon display segment of liquid crystal display simultaneously.Form by diode D1, D2, resistance R 1, quartz crystal, field effect transistor BG1, BG2, variable capacitance C1, capacitor C 2.Crystal oscillation circuit is exported termination frequency dividing circuit input CP and is met input CP through not gate.

The drop testing circuit is made up of bridge circuit and adjustable resistance R7, amplifier, power supply, and bridge circuit is made up of two resistance R 5, R6 and two capacitor C 7, C8.The outfan contact of amplifier drips the input CP of capacity enumerator input CP and alarm detection circuit drop number enumerator SJC.

The alarm detection circuit is the circuit that is used for detecting drop frequency fault, output alarm signal, it by 5 JK flip-flops and 6 d type flip flops, 5 not gates, 5 with door, 1 or form.The input CP contact of a drop counter TO76 drips the testing circuit outfan, and outfan Q is divided into two-way: the first via is connected to RD end through not gate, and the second the tunnel receives the Sd end of 5 JK flip-flops through not gate.Third Road is connected to the CP end of 5 d type flip flops, 5 another J ends of each Q termination of JK flip-flop, and clock signal is connected to the Q end of ten frequency dividers.Each JK flip-flop outfan Q is divided into two-way, one the tunnel is connected to the D end of 5 d type flip flops, another road is connected to and door 1 input, with door 1 output termination lamp L1 input, link to each other respectively with the

input

1,2 of door 3,4,5,3 are connected to the Q end of the 4th d type flip flop with 2 of door, with door 5 in addition two inputs 3,4 be connected to the Q end of second and third d type flip flop respectively, with the Q end of 3 first d type flip flops of termination of door 3.Or the two input terminations and door 4,5 outfans of door 1.Or door 1 and connect input with door 2 through not gate with the outfan of door 3, or door 1 output termination lamp L4, with door 2 output termination lamp L3, meet lamp L2 with door 3 outputs.Be determined by experiment the drop frequency 80-87 time for normal, exceed this scope and report to the police, when drop stops or also reporting to the police during too fast being aligned.

Warning circuit is connected into by power supply E, capacitor C 5, C6, speaker Y, audion BG3, BG4, resistance R 2, R3, R4, lamp L1, L2, L3, L4, diode D ' 5, D ' 6, D ' 7, D ' 8.Audion BG3, BG4 constitute oscillating circuit, and frequency of oscillation depends on R2 and C6 numerical value.The input of alarm call testing circuit outfan taking alarm,, fault normal to drop carried out sound, light shows and warning.

Connect the conventional connection of pressing the corresponding function circuit between this utility model each several part functional circuit inside and the circuit.All JK flip-flops, d type flip flop, with device models such as door or door, not gate, NAND gate can be with all same function devices replacements, about electronic component model and value thereof by corresponding function circuit routine requirement value.

Claims

1, a kind of medical multifunctional drop alarm comprises sensing device and liquid crystal indicator, autoalarm, processing and output display circuit, it is characterized in that:

2, drop alarm according to claim 1 is characterized in that: time counter is by the CP end that overflows the termination sextuple denotation counter of decade computer.

3, drop alarm according to claim 1 is characterized in that: drop capacity enumerator is formed by connecting by decade computer.

4, drop alarm according to claim 1, it is characterized in that: frequency divider is formed by connecting by JK flip-flop.