CN2318028Y

CN2318028Y - Portable thermal jointing clippers for imedical plastic tube sealing mouth

Info

Publication number: CN2318028Y
Application number: CN 97243113
Authority: CN
Inventors: 张兆明; 孙健芳; 李国荣
Original assignee: HUIYANG MEDICAL (SHANGHAI) CO Ltd
Current assignee: HUIYANG MEDICAL (SHANGHAI) CO Ltd
Priority date: 1997-12-25
Filing date: 1997-12-25
Publication date: 1999-05-12
Anticipated expiration: 2007-12-25

Abstract

The utility model discloses a sealing heat seal pliers. The utility model comprises a high-frequency heat seal head and a high-frequency signal generator. The high-frequency signal generator is formed by connecting a high-frequency oscillating circuit, a high-frequency amplification circuit, a driving circuit and an output circuit orderly. The output of the high-frequency signal generator is connected to the high-frequency heat seal head, the high-frequency heat seal head and the high-frequency signal generator are designed into an integral holding pliers, the holding pliers is divided into a hand holding handgrip and a base, the hand held handgrip is fixed on the base through a cutter seat, the high-frequency heat seal head is arranged at the head part of the base and the high-frequency signal generator is arranged in an internal cavity of the base. The heat seal pliers has the advantages of small size, convenient carrying, convenient use, etc.

Description

Portable medical is moulded the channel closure thermal jointing clipper

This utility model relates to and is used to collect, the auxiliary device of storage or pumping blood, blood plasma or medical liquid container, refers to that particularly a kind of portable medical moulds the channel closure thermal jointing clipper.

Hospital, the blood station, center, units such as biological product are to blood, blood plasma is carried, gather all is to come storing blood with the soft bag of special-purpose plastics, blood plasma, be connected with the PVC flexible pipe on the soft bag of the plastics blood plasma of this special use, blood, blood plasma enters in the soft bag by this flexible pipe, or flow out soft bag, after entering soft bag, blood or blood plasma to seal the PVC flexible pipe, existing flexible pipe seal the comparatively huge sealing machine of employing, this sealing machine is owing to adopted the electronic vacuum pipe, so volume is bigger, be not easy to carry, also often be prone to fault, and can only fixed placement in a certain place, for the occasion that the blood sampling or need of flowing be sealed blood taking bag immediately, very inconvenience seems, adopt side folder that hose port is clamped temporarily, softer bag is delivered to central station and seal.

This utility model purpose provides a kind of portable medical and moulds the channel closure thermal jointing clipper.

To achieve these goals, this utility model adopts following technical scheme: seal thermal jointing clipper and include high frequency heat syncephalon, HF signal generator, HF signal generator is connected in sequence by high-frequency oscillating circuits, high-frequency amplifier circuit, drive circuit, output circuit, and the output of HF signal generator is connected to the high frequency heat syncephalon; High frequency heat syncephalon and HF signal generator are designed to the incorporate pincers of holding, hold pincers and be divided into shake hands handle and base, shake hands being fixed on the base by a tool rest, the high frequency heat syncephalon is installed in the head of base, the high frequency heat syncephalon is by fixed down weldering cutter and movably go up and weld knife tackle and become, base and shake hands between be provided with a making leaf spring, HF signal generator places the inner chamber of base.

Because this utility model is designed to the incorporate pincers of holding with HF signal generator and high frequency heat syncephalon, the head of holding the base of pincers is provided with fixed weldering cutter down and movably goes up the weldering cutter, the whole pincers of holding can be held in hands, when pressing down when shaking hands, can seal being sandwiched in the plastic flexible pipe that welds up and down between the cutter, thus this seal thermal jointing clipper have small-sized, carry, advantage easy to use.

Below in conjunction with drawings and Examples, this utility model is done one describes in detail:

Fig. 1 is this utility model structural representation.

Fig. 2 is this utility model circuit theory block diagram.

Fig. 3 is this utility model circuit theory diagrams.

See also Fig. 1, shown in Figure 2, seal thermal jointing clipper and include high frequency heat syncephalon 1, HF signal generator 2, HF signal generator 2 (empty frame part among Fig. 2) is by high-frequency oscillating circuits 23, high-frequency amplifier circuit 24, drive circuit 25, output circuit 26 is connected in sequence, after producing high-frequency oscillation signal, oscillating circuit 23 delivers to amplifying circuit 24 and drive circuit 25, the output of drive circuit 25 is connected to output circuit 26, output circuit 26 generation high-frequency high-voltage signals are connected to high frequency heat syncephalon 1 as the output of whole HF signal generator 2, and the output frequency of HF signal generator 2 can reach 40MH _z, high pressure can reach 2500V _P-PHigh frequency heat syncephalon 1 and HF signal generator 2 are designed to the incorporate pincers of holding, the size of holding pincers just can be gripped by operator's hands, holding pincers is divided into and shakes hands 4 and base 5, shake hands and be fixed in 4 on the base 5 by a tool rest 51, high frequency heat syncephalon 1 is installed in the head of base 5, and high frequency heat syncephalon 1 is made up of fixed following weldering cutter 11 and movably last weldering cutter 12, it is one inverted "L" shaped that last weldering cutter 12 is designed to, and can be arranged in the base 5, in base 5, moving, 11 on following weldering cutter is fixed on the base 5.Shaking hands, it is one inverted "L" shaped also to be designed to 4, shake hands and pass through a pin 41 interlock mutually to 4 with last weldering cutter 12, pin 41 and spring 41 all place the groove at weldering cutter 12 rear portions, base 5 and shake hands and between 4, be provided with a making leaf spring 6, and HF signal generator 2 places the inner chamber of base 5.

Please consult Fig. 2 and shown in Figure 3 again, in this utility model, can before oscillating circuit 23, connect successively mu balanced circuit 21 and the time control circuit 22, mu balanced circuit 21 provides more stable running voltage for whole HF signal generator 2, the time control circuit 22 be used to control working time of HF signal generator 2, before mu balanced circuit 21, be connected to a filter circuit 28, the output of filter circuit 28 is connected to output circuit 26, also can directly be used as the running voltage of output circuit 28 by DC input voitage by filter circuit 28, DC input voitage is as the running voltage of each circuit.In addition, the time be connected to indicating circuit 29 behind the control circuit 22, behind output circuit 26, be connected to a smooth indicating circuit 27, the timing and the output of control circuit 22 shows when showing respectively.Particular circuit configurations is described below: mu balanced circuit 21 is by regulator block IC1, capacitor C 1-C4 constitutes, the time control circuit 22 by ic chip 2, resistance R 6-R7, capacitor C 8-C9 constitutes, oscillating circuit 23 is made of crystal oscillator Q, amplifying circuit 24 is by transistor G2, in all L3, resistance R 8-R10, capacitor C 10, C11, C13 constitutes, drive circuit 25 is by transistor G3, in all L4, resistance 13, capacitor C 29 constitutes, output circuit 26 is by transistor G4, booster transformer B, resistance R 14, R18, capacitor C 17, C18 constitutes, filter coil L1, L2 constitutes filter circuit 28, sound indicating circuit 29 is by transistor G1, buzzer Y, resistance R 19, R20, R3-R5 constitutes, light indicating circuit 27 is by transistor G5-G6, luminous tube D1, coil L5, resistance R 15-R17, capacitor C 28 constitutes, filter circuit 28 is made of L2, remaining electric capacity is the bypass filter capacitor, and K is a press button.All circuit all are loaded on the wiring board, and this wiring board is loaded on base 5 inner chambers of holding pincers.

Please consult shown in Figure 1 again, upper surface salient mounting at base 5 is provided with positioning seat 52, the button 53 of button switch K also protrudes from the surface of base 5, the lower surface of handgrip 4 of being in one's hands is equiped with a lower lock block 43, supply socket 54 is installed on the rear portion of base 5, the dc supply of thermal jointing clipper obtains thus, when pressing down 4 when shaking hands, lower lock block 43 just in time presses down the button of K switch, make power supply be connected to mu balanced circuit 21, the whole thermal jointing clipper that seals gets final product work, and the effect of positioning seat 52 can make to shake hands and locate after opening K switch to 4.

Claims

1, a kind of portable medical is moulded the channel closure thermal jointing clipper, include high frequency heat syncephalon (1), HF signal generator (2), HF signal generator (2) is by high-frequency oscillating circuits (23), high-frequency amplifier circuit (24), drive circuit (25), output circuit (26) is connected in sequence, the output of HF signal generator (2) is connected to high frequency heat syncephalon (1), it is characterized in that: high frequency heat syncephalon (1) and HF signal generator (2) are designed to the incorporate pincers of holding, hold pincers and be divided into shake hands (4) and a base (5), shake hands (4) are fixed on the base (5) by a tool rest (51), high frequency heat syncephalon (1) is installed in the head of base (5), high frequency heat syncephalon (1) is by fixed down weldering cutter (11) and movably go up and weld cutter (12) and form, base (5) and shaking hands being provided with a making leaf spring (6) between (4), HF signal generator (2) places the inner chamber of base (5).

2, portable medical as claimed in claim 1 is moulded the channel closure thermal jointing clipper, it is characterized in that: the upper surface salient mounting at said base (5) is provided with positioning seat (52), the button of button switch K (53) also protrudes from the upper surface of base (5), the lower surface of handgrip (4) of being in one's hands is equiped with a lower lock block (43), and supply socket (54) is installed on the rear portion of base (5).