CN204501909U - A kind of transfusion device of measurable flow speed - Google Patents
A kind of transfusion device of measurable flow speed Download PDFInfo
- Publication number
- CN204501909U CN204501909U CN201520176600.3U CN201520176600U CN204501909U CN 204501909 U CN204501909 U CN 204501909U CN 201520176600 U CN201520176600 U CN 201520176600U CN 204501909 U CN204501909 U CN 204501909U
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- Prior art keywords
- transfusion
- tube
- gas column
- flow
- air bag
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Abstract
The utility model discloses a kind of transfusion device of measurable flow speed, the tube for transfusion between puncturing head and a kettle is communicated with gas column generating mechanism; Described gas column generating mechanism comprises can crimp and the air bag of resilience, and air bag is connected with the gas storage end of three-way valve, and the inlet end of three-way valve is communicated with ambient atmosphere, and the outlet side of three-way valve is communicated with tube for transfusion; Inlet end is provided with one-way air inlet valve block, outlet side is provided with unidirectional valve block of giving vent to anger, gas column generating mechanism squeezes out gas column at every turn and enters in tube for transfusion, by gas column along with liquid medicine flow carrys out measurement flow rate.This utility model can measure infusion flow rate simply by the means of non-electronicization, and dripping number than existing people's number will accurately and reliably, simple, consuming time short, with low cost.
Description
Technical field
This utility model belongs to medical instruments field, relates to transfusion device, is specifically related to a kind of transfusion device of measurable flow speed.
Background technology
When carrying out patient medical treatment, needing medicine to be input in the blood of patient, usually using transfusion device, therefore transfusion device is an important armarium, and transfusion speed is the vital point that medical worker pays close attention in a lot of clinical course.The equipment much accurately can measuring flow rate of liquid has been had in prior art, but this equipment too precision causes high cost, and be all electronic product, in use need to use the auxiliary facilities such as support, take up room, be not suitable for transfusion device larger to consumption in clinical transfusion process and carry out liquid measure.Although application specific infusion pump can effective control rate, because infusion pump price is high, apply very inconvenient, be difficult to apply in common transfusion nursery work.Now, nursing medical worker adopts the mode of range estimation drop to add up amount of infusion usually when recording flow velocity, so not only really not statistical uncertainty, and consuming time, and labor intensity is large.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model is, provides a kind of transfusion device of measurable flow speed, can very succinctly observe flow velocity rapidly and adjust.
In order to solve the problems of the technologies described above, this utility model adopts following technical scheme to be achieved:
A kind of transfusion device of measurable flow speed, comprise be communicated with successively by tube for transfusion puncturing head, drip kettle, liquid medicine filter and syringe needle, the described tube for transfusion dripped between kettle and liquid medicine filter is provided with flow regulator, described puncturing head and be communicated with gas column generating mechanism on dripping between kettle tube for transfusion;
Described gas column generating mechanism comprises can crimp and the air bag of resilience, and air bag is connected with the gas storage end of three-way valve, and the inlet end of three-way valve is communicated with ambient atmosphere, and the outlet side of three-way valve is communicated with tube for transfusion;
Inlet end is provided with one-way air inlet valve block, when air bag resilience volume increases, gas can only enter air bag from ambient atmosphere is unidirectional; Outlet side is provided with unidirectional valve block of giving vent to anger, during air sac pressing distortion volume-diminished, gas can only enter outlet side from air bag is unidirectional and enters tube for transfusion;
Gas column generating mechanism squeezes out gas column at every turn and enters in tube for transfusion, by gas column along with liquid medicine flow carrys out measurement flow rate.
This utility model also has distinguishes technical characteristic as follows:
Described flow regulator comprises the Flow-rate adjustment cover be enclosed within tube for transfusion, and Flow-rate adjustment puts the Flow-rate adjustment bolt being provided with and can extruding tube for transfusion adjust flux.
Described puncturing head is provided with flexible barbs, and flexible barbs is by the constraint of constraint circle, and puncturing head inserts constraint circle after in transfusion bag and departs from flexible barbs, and flexible barbs stretches and is stuck in transfusion bag; Be connected by dismountable transfusion tube joint between puncturing head with tube for transfusion.
This utility model compared with prior art, has following technique effect:
Transfusion device of the present utility model can measure infusion flow rate simply by the means of non-electronicization, and dripping number than existing people's number will accurately and reliably, simple, consuming time short, with low cost.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is puncturing head constrained state schematic diagram of the present utility model.
Fig. 3 is that puncturing head of the present utility model departs from restrained condition schematic diagram.
In figure, the implication of each label is: 1-tube for transfusion, 2-puncturing head, and 3-drips kettle, 4-liquid medicine filter, 5-syringe needle, 6-flow regulator, 7-gas column generating mechanism, 8-transfusion bag; (2-1)-flexible barbs, (2-2)-constraint circle, (2-3)-transfusion tube joint, (6-1)-Flow-rate adjustment cover, (6-2)-Flow-rate adjustment bolt, (7-1)-air bag, (7-2)-three-way valve, (7-2-1)-gas storage end, (7-2-2)-inlet end, (7-2-3)-outlet side, (7-2-4)-one-way air inlet valve block, (7-2-5)-unidirectional valve block of giving vent to anger.
Below in conjunction with accompanying drawing, explanation is further explained in detail to particular content of the present utility model.
Detailed description of the invention
Below provide specific embodiment of the utility model, it should be noted that this utility model is not limited to following specific embodiment, all equivalents done on technical scheme basis all fall into protection domain of the present utility model.
Embodiment:
Defer to technique scheme, as shown in Figure 1 to Figure 3, the present embodiment provides a kind of transfusion device of measurable flow speed, comprise be communicated with successively by tube for transfusion 1 puncturing head 2, drip kettle 3, liquid medicine filter 4 and syringe needle 5, the described tube for transfusion 1 dripped between kettle 3 and liquid medicine filter 4 is provided with flow regulator 6, described puncturing head 2 and be communicated with gas column generating mechanism 7 on dripping between kettle 3 tube for transfusion 1;
Described gas column generating mechanism 7 comprises can crimp and the air bag 7-1 of resilience, air bag 7-1 is connected with the gas storage end 7-2-1 of three-way valve 7-2, the inlet end 7-2-2 of three-way valve 7-2 is communicated with ambient atmosphere, and the outlet side 7-2-3 of three-way valve 7-2 is communicated with tube for transfusion 1;
Inlet end 7-2-2 is provided with one-way air inlet valve block 7-2-4, when air bag 7-1 resilience volume increases, gas can only enter air bag 7-1 from ambient atmosphere is unidirectional; When outlet side 7-2-3 being provided with the unidirectional valve block 7-2-5 that gives vent to anger, air bag 7-1 crimp volume-diminished, gas can only enter outlet side 7-2-3 from air bag 7-1 is unidirectional and enters tube for transfusion 1;
Gas column generating mechanism 7 squeezes out gas column at every turn and enters in tube for transfusion 1, by gas column along with liquid medicine flow carrys out measurement flow rate.
Gas column generating mechanism 7 can be set to the structure be integrated with tube for transfusion 1, also can be set to the structure removably connected, and makes to be dismountable connected mode between outlet side 7-2-3 and tube for transfusion 1.
Flow regulator 6 comprises the Flow-rate adjustment cover 6-1 be enclosed within tube for transfusion 1, and Flow-rate adjustment cover 6-1 is provided with the Flow-rate adjustment bolt 6-2 that can extrude tube for transfusion 1 adjust flux, can more accurately adjust flux.
Puncturing head 2 is provided with flexible barbs 2-1, and flexible barbs 2-1 encloses 2-2 by constraint and retrains, and puncturing head 2 inserts constraint circle 2-2 disengaging flexible barbs 2-1, flexible barbs 2-1 stretching, extension after in transfusion bag 8 and is stuck in transfusion bag 8.Be connected by dismountable transfusion tube joint 2-3 between puncturing head 2 with tube for transfusion 1.Setting like this, can prevent puncturing head 2 from spinning off from transfusion bag 8.Puncturing head 2 is expendable consumed product, can change puncturing head 2 when changing transfusion bag 8.
The transfusion device of the present embodiment normally uses in use, during velocity measurement, medical worker is with hands extruding gasbag 7-1, the unidirectional valve block 7-2-5 that gives vent to anger opens under pressure, gas is injected tube for transfusion 1 by the outlet side 7-2-3 of three-way valve 7-2, gas forms gas column in tube for transfusion 1, and gas column along with liquid medicine flow, can obtain the flowing velocity of medicinal liquid under the drive of medicinal liquid according to the flowing velocity of bubble.Can also process some scales on tube for transfusion 1, be convenient for reference contrast.After gas in air bag 7-1 is discharged, unclamp hands, air bag 7-1 recoils to original state, and now under the effect of pressure differential, unidirectional air-intake valve plate 7-2-4 opens, and gas enters in air bag 1 from the inlet end 7-2-2 of three-way valve 7-2, make-up gas.Flow regulator 6 regulating flow quantity can be passed through in time according to medicinal liquid flow velocity.
Claims (3)
1. the transfusion device of a measurable flow speed, comprise be communicated with successively by tube for transfusion (1) puncturing head (2), drip kettle (3), liquid medicine filter (4) and syringe needle (5), the described tube for transfusion (1) dripped between kettle (3) and liquid medicine filter (4) is provided with flow regulator (6), it is characterized in that: the tube for transfusion (1) between described puncturing head (2) and a kettle (3) is communicated with gas column generating mechanism (7);
Described gas column generating mechanism (7) comprises can crimp and the air bag of resilience (7-1), air bag (7-1) is connected with the gas storage end (7-2-1) of three-way valve (7-2), the inlet end (7-2-2) of three-way valve (7-2) is communicated with ambient atmosphere, and the outlet side (7-2-3) of three-way valve (7-2) is communicated with tube for transfusion (1);
Inlet end (7-2-2) is provided with one-way air inlet valve block (7-2-4), when air bag (7-1) resilience volume increases, gas can only enter air bag (7-1) from ambient atmosphere is unidirectional; Outlet side (7-2-3) is provided with unidirectional valve block of giving vent to anger (7-2-5), during air bag (7-1) crimp volume-diminished, gas can only enter outlet side (7-2-3) from air bag (7-1) is unidirectional and enters tube for transfusion (1);
Gas column generating mechanism (7) squeezes out gas column at every turn and enters in tube for transfusion (1), by gas column along with liquid medicine flow carrys out measurement flow rate.
2. the transfusion device of measurable flow speed as claimed in claim 1, it is characterized in that: described flow regulator (6) comprises the Flow-rate adjustment cover (6-1) be enclosed within tube for transfusion (1), Flow-rate adjustment cover (6-1) is provided with the Flow-rate adjustment bolt (6-2) that can extrude tube for transfusion (1) adjust flux.
3. the transfusion device of measurable flow speed as claimed in claim 1, it is characterized in that: described puncturing head (2) is provided with flexible barbs (2-1), flexible barbs (2-1) is by constraint circle (2-2) constraint, retrain circle (2-2) after in puncturing head (2) insertion transfusion bag (8) and depart from flexible barbs (2-1), flexible barbs (2-1) stretches and is stuck in transfusion bag (8); Be connected by dismountable transfusion tube joint (2-3) between puncturing head (2) with tube for transfusion (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520176600.3U CN204501909U (en) | 2015-03-26 | 2015-03-26 | A kind of transfusion device of measurable flow speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520176600.3U CN204501909U (en) | 2015-03-26 | 2015-03-26 | A kind of transfusion device of measurable flow speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204501909U true CN204501909U (en) | 2015-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520176600.3U Expired - Fee Related CN204501909U (en) | 2015-03-26 | 2015-03-26 | A kind of transfusion device of measurable flow speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204501909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368337A (en) * | 2021-07-14 | 2021-09-10 | 中国人民解放军总医院海南医院 | Device for delivering chemotherapeutic drugs |
-
2015
- 2015-03-26 CN CN201520176600.3U patent/CN204501909U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368337A (en) * | 2021-07-14 | 2021-09-10 | 中国人民解放军总医院海南医院 | Device for delivering chemotherapeutic drugs |
| CN113368337B (en) * | 2021-07-14 | 2022-08-02 | 中国人民解放军总医院海南医院 | Device for delivering chemotherapeutic drugs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160326 |