CN207203157U - Murphy type burette - Google Patents

Abstract

The utility model discloses a kind of Murphy type burette, including body and body upper end inlet is arranged on, scale is provided with body, the liquid outlet of bottom of the pipe is connected with flow controller.Liquid flows into the inlet of flow controller from liquid outlet, into base portion, enter regulating valve helicla flute from base gap, and enter the 3rd chamber by second segment sidewall notches and the 3rd section of sidewall notches, second segment can form different liquid by area so as to adjust the flow of liquid to regulating valve from the gap of the second chamber with inclined screw groove in rotary course in the valve pocket of base, and final liquid is flowed out by the 3rd chamber into adjuster liquid outlet.Scale is provided with the utility model Murphy type burette body and conveniently observes amount of liquid, by the way that flow controller is quick, accurate control Murphy type burette flow velocity, mitigated the work load of medical personnel, is improved operating efficiency.

Description

Murphy type burette

Technical field

The utility model belongs to medical instruments field, and in particular to a kind of Murphy type burette.

Background technology

Murphy type burette is the important component of transfusion device, and medical personnel can clear view decoction by Murphy type burette The speed of conveying, and some specific drugs can be added into infusion pipeline by Murphy type burette in infusion process, side Just the time for controlling medicine to add.Murphy type burette can not accurately show amount of liquid therein at present, it has not been convenient to it is defeated to observe decoction Enter situation, the speed of its dropping liquid can not direct regulation and control, the flow regulator for being completely dependent on transfusion device is adjusted.Existing transfusion Device flow regulator extrudes transfusion catheter usually through the common cooperation of left regulation wheel and regulating tank, decreases or increases flowing through for decoction Passage is so as to reach the control to infusion flow rate, and this flow regulator has left regulation wheel resilience, extruding transfusion for a long time Conduit can cause transfusion catheter to follow the string, and then flow velocity reduces, it is difficult to ensure the stability control of infusion flow rate.Some are needed Medicine or the patient of liquid droping speed are strictly controlled, can not meet to require or adjust using existing Murphy type burette very troublesome.

Utility model content

The purpose of the utility model is to overcome above-mentioned technological deficiency, there is provided amount of liquid and controlling stream in the convenient observation dropper of one kind The Murphy type burette of speed.

The utility model uses following scheme, a kind of Murphy type burette, including body and is arranged on body upper end inlet, The body upper end is additionally provided with liquid medicine injection loophole and air inlet, and scale is provided with body, and the liquid outlet of bottom of the pipe is connected with Flow controller, the flow controller include base and regulating valve, and base is provided with controller inlet, valve pocket and goes out liquid Mouthful, valve pocket is made up of the first chamber, the second chamber and the 3rd chamber, and the first chamber, the second chamber and the 3rd chamber diameter are in reduction trend, the second chamber Controller inlet, the 3rd chamber connection controller liquid outlet are connected, regulating valve is inserted in valve pocket and can rotated in valve pocket, accordingly Regulation valve portion in ground insertion valve pocket is divided into first paragraph, second segment and the 3rd section, the first paragraph of regulating valve and the sealing of the first chamber Coordinate, second segment and the second chamber coordinate, and second segment is provided with inclined screw groove and second segment sidewall notches, between second segment and the second chamber There is gap controller inlet side, and the 3rd section coordinates with the 3rd chamber, passes through the 3rd section of side wall between the 3rd section of inner chamber and the 3rd chamber Groove connects.

To be oriented to fixed part, guide part is in 13 ° -15 ° with horizontal for the front end of the assembly side of the base and regulating valve Guide angle, fixed part are annular groove, and the L-shaped bayonet socket of the annular groove and regulating valve forms interlocking structure.

Mark regulation range scale is provided with the base cylindrical section outer wall, it is corresponding with base cylindrical section in regulating valve Face be provided with cue mark.

Scale, which is provided with, on the utility model Murphy type burette body conveniently observes amount of liquid, it is fast by flow controller Speed, accurate control Murphy type burette flow velocity, mitigate the work load of medical personnel, improve operating efficiency.

Brief description of the drawings

Fig. 1 structural representations of the present utility model.

The structural representation of Fig. 2 bases.

The structural representation of Fig. 3 regulating valves.

Schematic diagram on the inside of Fig. 4 regulating valves.

In figure, 1 dropper inlet, 2 air inlets, 3 liquid medicine injection loopholes, 4 bodys, 5 scales, 6 dropper liquid outlets, 7 flow controls Device processed, 71 bases, 711 controller inlets, 712 guide angles, 713 first chambers, 714 annular grooves, 715 controller liquid outlets, 716 the 3rd chambers, 717 second chambers, 72 regulating valves, 721 Handheld Divisions, 722 first paragraphs, 723L shape bayonet sockets, 724 second segments, 725 the 3rd Section, 726 the 3rd sections of sidewall notches, 727 second segment sidewall notches, 728 helicla flutes, 729 inner chambers, 73 gaps.

Embodiment

Murphy type burette of the present utility model, including body 4 and body upper end dropper inlet 1 is arranged on, on body End is additionally provided with liquid medicine injection loophole 3 and air inlet 2, scale 5 is provided with body, the dropper liquid outlet of bottom of the pipe is connected with flow Controller 7.

Flow controller 7 includes base 71 and regulating valve 72, and base 71 is provided with controller inlet 711, valve pocket and gone out Liquid mouth, valve pocket are made up of the first chamber 713, the second chamber 717 and the 3rd chamber 716, the first chamber 713, the second chamber 717 and the 3rd chamber 716 Diameter is in reduction trend, the second chamber 717 connection controller inlet 711, the 3rd chamber 716 connection controller liquid outlet 715, is adjusted Valve 72 is inserted in valve pocket and can rotated in valve pocket, and correspondingly the part of regulating valve 72 in insertion valve pocket is divided into first paragraph 722, the Two section 724 and the 3rd section 725, the chamber 713 of first paragraph 722 and first sealing of regulating valve 72 coordinates, the chamber of second segment 724 and second 717 coordinate, and second segment 724 is provided with inclined screw groove 728 and second segment sidewall notches 727, between the chamber 717 of second segment 724 and second There is gap 73 in the side of controller inlet 711, the 3rd section 725 coordinates with the 3rd chamber 716, the 3rd section 725 of inner chamber 729 and the 3rd Connected between chamber 716 by groove.

It is guiding fixed part in the front end of base 71 and the assembly side of regulating valve 72, guide part is in 13 ° -15 ° with level Guide angle 712, fixed part is annular groove 714, and the L-shaped bayonet socket 723 of the annular groove 714 and regulating valve forms interlocking knot Structure.The regulating valve L-shaped bayonet socket 723 has four.The quick assembling of base 71 and regulating valve 72 can be realized using the structure. The outside of regulating valve 72 forms Handheld Division 721, for grasping regulating valve.On the cylindrical section outer wall of base 71（As B is signified in Fig. 2 Show position）The scale of mark regulation range is provided with, on the face corresponding with the cylindrical section of base 71 of regulating valve 72（Such as A in Fig. 3 Indicated position）Provided with cue mark.Set scale and cue mark can fast and easy regulation flow.

Liquid in infusion bottle enters body from dropper inlet 1, and the control of flow controller 7 is flowed into from dropper liquid outlet Device inlet 711, into the part of base 71, enter regulating valve helicla flute 728 from base gap, and pass through second segment sidewall notches 727 and the 3rd section of sidewall notches 726 enter the 3rd chamber 716, the second segment 724 in rotary course in the valve pocket of base of regulating valve 72 Different liquid can be formed by area so as to adjust the flow of liquid with inclined screw groove 728 from the gap of the second chamber 717, finally Liquid enters adjuster liquid outlet by the 3rd chamber 716 and flowed out.Carried out the flow controller 7 of Murphy type burette need not be used During Flow-rate adjustment, flow controller 7 can be opened to maximum stream flow position, transfusion stream is carried out by the flow regulator of transfusion device Amount regulation.

, can be by connection infusion bottle and dropper inlet when needing to add strict control input time medicine in infusion process The connecting tube at 1 end, which clamps, stops liquid, closes the flow controller 7 of Murphy type burette, is noted from liquid medicine injection loophole 3 into Murphy type burette Enter required medicine, open air inlet 2, the regulating valve 72 of flow controller 7 is rotated to required infusion flow position, carried out Transfusion, its is easy to adjust, rapid, and the change of amount of liquid in Murphy type burette is observed by the scale on Murphy type burette, carries The security of high whole transfusion device.

Claims (4)

1. a kind of Murphy type burette, including body and body upper end inlet is arranged on, it is characterized in that the body upper end is also set There are liquid medicine injection loophole and air inlet, scale is provided with body, the liquid outlet of bottom of the pipe is connected with flow controller, the stream Amount controller includes base and regulating valve, and base is provided with controller inlet, valve pocket and liquid outlet, and valve pocket is by the first chamber, Two chambers and the 3rd chamber composition, the first chamber, the second chamber and the 3rd chamber diameter are in reduction trend, and the second chamber connects controller inlet, 3rd chamber connects controller liquid outlet, and regulating valve is inserted in valve pocket and can rotated in valve pocket, the tune correspondingly inserted in valve pocket Section valve portion is divided into first paragraph, second segment and the 3rd section, the first paragraph of regulating valve and the sealing cooperation of the first chamber, second segment and second Chamber coordinates, and second segment is provided with inclined screw groove and second segment sidewall notches, there is controller inlet side between second segment and the second chamber Gap, the 3rd section coordinates with the 3rd chamber, and the 3rd section of inner chamber is connected between the 3rd chamber by the 3rd section of sidewall notches.

2. Murphy type burette according to claim 1, it is characterized in that the front end of the assembly side of the base and regulating valve is Fixed part is oriented to, guide part is that fixed part is annular groove, and the annular groove is with adjusting in 13 ° -15 ° of guide angle with level The L-shaped bayonet socket for saving valve forms interlocking structure.

3. Murphy type burette according to claim 2, it is characterized in that the L-shaped bayonet socket of the regulating valve has four.

4. Murphy type burette according to claim 1, adjusted it is characterized in that being provided with mark on the base cylindrical section outer wall Range scale is saved, cue mark is provided with the regulating valve face corresponding with base cylindrical section.