CN109528489B - Liquid medicine blending and conveying device - Google Patents
Liquid medicine blending and conveying device Download PDFInfo
- Publication number
- CN109528489B CN109528489B CN201910088151.XA CN201910088151A CN109528489B CN 109528489 B CN109528489 B CN 109528489B CN 201910088151 A CN201910088151 A CN 201910088151A CN 109528489 B CN109528489 B CN 109528489B
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- Prior art keywords
- needle head
- needle
- conveying
- fixing seat
- gas
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- 239000007788 liquid Substances 0.000 title claims abstract description 127
- 239000003814 drug Substances 0.000 title claims abstract description 75
- 238000002156 mixing Methods 0.000 title claims abstract description 24
- 230000000149 penetrating effect Effects 0.000 claims abstract 4
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims 9
- 229940079593 drug Drugs 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/2017—Piercing means having three or more piercing ends
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a liquid medicine blending and conveying device, wherein an upper conveying part comprises a first gas conveying needle head, a first liquid conveying needle head and a first needle head fixing seat, the first gas conveying needle head and the first liquid conveying needle head are arranged in the first needle head fixing seat in a penetrating manner, a telescopic extension tube is arranged in the first gas conveying needle head, and an adjusting knob is arranged on the first needle head fixing seat; the lower conveying part comprises a second gas conveying needle head, a second liquid conveying needle head and a second needle head fixing seat, and the second gas conveying needle head and the second liquid conveying needle head are arranged in the second needle head fixing seat in a penetrating manner; the switching part comprises an air bag, a gas conveying pipe, a first liquid conveying pipe and a second liquid conveying pipe; the gas conveying pipe penetrates through the air bag and is respectively connected with the first gas conveying needle head and the second gas conveying needle head; one end of the first liquid conveying pipe is connected with the air bag, and the other end of the first liquid conveying pipe is connected with the first liquid conveying needle head; one end of the second liquid conveying pipe is connected with the air bag, and the other end of the second liquid conveying pipe is connected with the second liquid conveying needle head.
Description
Technical Field
The invention relates to the field of medical auxiliary products, in particular to a liquid medicine blending and conveying device.
Background
In the process of treating patients, western medicine profession often needs to use a plurality of medicines, and in order to exert the maximum effect of the medicine effect, medical staff generally blends various medicines in advance, so that patients can complete medicine injection at one time, and the trouble of multiple injections is avoided. However, the currently used dosing method is to extract and inject by using a syringe, and the method is slow and tedious in operation and easy to cause the impurities of the medicine; infusion leather strips are not needed, but the medicine adding is slow. Therefore, improving the drug mixing efficiency under the sealing condition is a problem to be solved urgently.
Disclosure of Invention
The invention provides a liquid medicine blending and conveying device aiming at the problems.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a liquid medicine blending and conveying device, includes upper conveying portion, lower conveying portion and switching portion, upper conveying portion with lower conveying portion sets up relatively the both ends of switching portion.
The upper conveying part comprises a first gas conveying needle head, a first liquid conveying needle head and a first needle head fixing seat, the first gas conveying needle head and the first liquid conveying needle head penetrate through the first needle head fixing seat side by side and up and down, the first gas conveying needle head comprises a first needle head end, the first liquid conveying needle head comprises a second needle head end, the first needle head end is far away from the first needle head end, the length of the first needle head fixing seat is greater than that of the second needle head end, the first needle head end is far away from the first needle head fixing seat, a telescopic extension tube is arranged in the first gas conveying needle head, an adjusting knob is arranged on one side, close to the first gas conveying needle head, of the first needle head fixing seat, and the adjusting knob is mechanically connected with the telescopic extension tube.
The lower conveying part comprises a second gas conveying needle head, a second liquid conveying needle head and a second needle head fixing seat, wherein the second gas conveying needle head and the second liquid conveying needle head are arranged side by side and vertically through and pass through the second needle head fixing seat, the second gas conveying needle head comprises a third needle head end, the second liquid conveying needle head comprises a fourth needle head end, and the third needle head end is smaller than the second needle head end in length than the fourth needle head end in length of the second needle head fixing seat.
The switching part comprises an air bag, a gas conveying pipe, a first liquid conveying pipe and a second liquid conveying pipe; the gas conveying pipe penetrates through the air bag vertically, and two ends of the gas conveying pipe are integrally connected with one end, close to the air bag, of the first gas conveying needle head and one end, close to the air bag, of the second gas conveying needle head respectively; the first liquid conveying pipe comprises a first end and a second end which are opposite, the first end is close to the gas conveying pipe and penetrates through the air bag, and the second end is integrally connected with one end, close to the air bag, of the first liquid conveying needle head; the second liquid conveying pipe comprises a third end and a fourth end which are opposite, the third end is close to the gas conveying pipe and penetrates through the air bag, and the fourth end is integrally connected with one end, close to the air bag, of the second liquid conveying needle head.
Preferably, the first needle end, the second needle end, the third needle end and the fourth needle end are inclined tips, and the inclination direction and the inclination angle of the first needle end and the second needle end are the same, and the inclination direction and the inclination angle of the third needle end and the fourth needle end are the same.
Preferably, the first needle end and the second needle end are integrally connected, and the inclined surfaces of the first needle end and the second needle end are on the same plane; the third needle end and the fourth needle end are integrally connected, and the inclined surfaces of the third needle end and the fourth needle end are on the same plane.
Preferably, the first end is sealingly connected to the balloon wall of the balloon and does not extend into the balloon.
Preferably, the third end is sealingly connected to the balloon wall of the balloon and does not extend into the balloon.
Preferably, the first liquid delivery pipe and the second liquid delivery pipe are both integrally connected with the gas delivery pipe.
Preferably, the first needle fixing seat is provided with a first needle shield, and the second needle fixing seat is provided with a second needle shield.
Preferably, the bottom of flexible extension pipe is connected the haulage rope, the haulage rope is followed first gas delivery syringe needle is worn out and is walked around first needle head end with adjust knob fixed connection, the bottom of flexible extension pipe is equipped with the sealing washer, the sealing washer with first gas delivery syringe needle inner wall closely pastes mutually.
Preferably, an external gas transmission device is arranged at one end of the gas transmission pipe, which is close to the upper transmission part, and a switch is arranged at the top end of the external gas transmission device.
Preferably, concave-convex threads are arranged on the side wall of the air bag, and anti-skid threads are arranged on the first needle head fixing seat and the second needle head fixing seat.
Compared with the prior art, the invention has the beneficial effects that: the upper transmission part and the lower transmission part can be respectively and hermetically connected with the liquid medicine to be blended, so that the liquid medicine to be blended is prevented from being polluted due to the contact of the liquid medicine to be blended and air; the gas interface of the two liquid medicine containers is connected through the gas conveying pipe, the liquid medicine in the container above can be introduced into the air bag by extruding the air bag, and the liquid medicine in the air bag can be conveyed into the container below, so that the operation is simple, and the liquid medicine waste is avoided; and drainage efficiency is high, has practiced thrift medical personnel's operation man-hour, has improved medical care's efficiency.
Drawings
Fig. 1 is a schematic structural view of a liquid medicine blending and conveying device of the present invention.
Fig. 2 is a schematic structural view of the upper conveying part of the present invention.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the invention, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural view of a liquid medicine blending and conveying device according to the present invention, and fig. 2 is a schematic structural view of an upper conveying portion according to the present invention. As shown in fig. 1 and 2, a liquid medicine blending and conveying device according to an embodiment of the present invention includes an upper conveying portion, a lower conveying portion, and a switching portion, where the upper conveying portion and the lower conveying portion are disposed at two opposite ends of the switching portion.
The upper conveying part comprises a first gas conveying needle head 1, a first liquid conveying needle head 2 and a first needle head fixing seat 3, the first gas conveying needle head 1 and the first liquid conveying needle head 2 penetrate through the first needle head fixing seat 3 side by side and up and down, the first gas conveying needle head 1 comprises a first needle head end 11, the first liquid conveying needle head 2 comprises a second needle head end 21, the length of the first needle head end 11 away from the first needle head fixing seat 3 is greater than that of the second needle head end 21 away from the first needle head fixing seat 3, a telescopic extension tube 12 is arranged in the first gas conveying needle head 1, an adjusting knob 31 is arranged on one side, close to the first gas conveying needle head 1, of the first needle head fixing seat 3, and the adjusting knob 31 is mechanically connected with the telescopic extension tube 12.
The lower conveying part comprises a second gas conveying needle head 4, a second liquid conveying needle head 5 and a second needle head fixing seat 6, the second gas conveying needle head 4 and the second liquid conveying needle head 5 are arranged side by side and penetrate through the second needle head fixing seat 6 up and down, the second gas conveying needle head 4 comprises a third needle head end 41, the second liquid conveying needle head 5 comprises a fourth needle head end 51, and the length of the third needle head end 41 from the second needle head fixing seat 6 is smaller than that of the fourth needle head end 51 from the second needle head fixing seat 6.
The switching part comprises an air bag 7, a gas conveying pipe 8, a first liquid conveying pipe 9 and a second liquid conveying pipe 10; the gas conveying pipe 8 penetrates through the airbag 7 vertically, and two ends of the gas conveying pipe 8 are integrally connected with one ends of the first gas conveying needle head 1 and the second gas conveying needle head 4, which are close to the airbag 7, respectively; the first liquid delivery tube 9 comprises a first end 91 and a second end 92 which are opposite, the first end 91 is close to the gas delivery tube 8 and penetrates through the air bag 7, and the second end 92 is integrally connected with one end of the first liquid delivery needle 2 close to the air bag 7; the second liquid delivery tube 10 comprises a third end 101 and a fourth end 102 which are opposite, the third end 101 is adjacent to the gas delivery tube 8 and penetrates the air bag 7, and the fourth end 102 is integrally connected with one end of the second liquid delivery needle 5, which is close to the air bag 7.
When in use, the upper transmission part is inserted into the upper liquid medicine container, and the lower transmission part is inserted into the lower liquid medicine container; the specific operation is that the first needle fixing seat 3 is held to pierce the first gas conveying needle 1 and the first liquid conveying needle 2 into the upper liquid medicine container, the second needle fixing seat 6 is held to pierce the second gas conveying needle 4 and the second liquid conveying needle 5 into the lower liquid medicine container, the adjusting knob 31 on the first needle fixing seat 3 is adjusted according to the height of the page after the upper Fang Yaoye container is inverted, the telescopic extension tube 12 is lifted to be above the liquid medicine level, the telescopic extension tube is ensured to be contacted with gas, the lower liquid medicine container is placed right, namely, the outlet is placed upwards, and the second gas conveying needle 4 and the second liquid conveying needle 5 are not contacted with the liquid medicine in the lower liquid medicine container; the air bag 7 is extruded, the liquid medicine in the upper liquid medicine container is introduced into the air bag 7 by the first liquid conveying pipe 9, the liquid medicine in the air bag 7 enters the lower liquid medicine container through the second liquid conveying pipe 10, the liquid medicine in the lower liquid medicine container is increased, but the volume of the lower liquid medicine container is unchanged, so that the gas of the lower liquid medicine container is conveyed into the upper liquid medicine container through the gas conveying pipe 8, the position of the gas is replaced with the liquid in the upper liquid medicine container, the gas volume in the lower liquid medicine container is reduced, the gas pressure is reduced, the gas in the upper liquid medicine container is increased, the gas pressure is increased, and the downward flowing speed of the upper liquid medicine is improved; the air bag 7 is continuously extruded, so that the liquid medicine blending speed can be further increased, the liquid medicine blending efficiency is improved, and the two liquid medicine containers are in sealing connection, so that the sealing performance is ensured, and the liquid medicine is prevented from being polluted.
Preferably, the first needle end 11, the second needle end 21, the third needle end 41 and the fourth needle end 51 are all inclined tips, and the inclination direction and the inclination angle of the first needle end 11 and the second needle end 21 are the same, and the inclination direction and the inclination angle of the third needle end 41 and the fourth needle end 51 are the same, so that the sharpness of the upper transmission part and the lower transmission part is improved, and the puncture difficulty is reduced.
Preferably, the first needle end 11 is integrally connected with the second needle end 21, and the inclined surfaces of the first needle end 11 and the second needle end 21 are on the same plane; the third needle end 41 is integrally connected with the fourth needle end 51, and the inclined surfaces of the third needle end 41 and the fourth needle end 51 are on the same plane; the smoothness during puncturing is improved, and the difficulty in puncturing caused by two tips is avoided.
Preferably, the first end 91 is sealingly connected to the balloon wall of the balloon 7 and does not extend into the balloon 7; the volume of the air bag 7 for containing the liquid medicine can be increased, if the first end 91 penetrates through the air bag wall of the air bag 7, the liquid medicine in the air bag 7 can not be contained when the liquid medicine contacts with the first end 91, and the containing amount of the air bag 7 is reduced; and the sealing connection avoids the overflow of the liquid medicine.
Preferably, the third end 101 is sealingly connected to the balloon wall of the balloon 7 and does not extend into the balloon 7; the liquid medicine in the air bag 7 can be ensured to be completely led into the liquid medicine container below, and if the third end 101 is higher than the wall of the air bag 7, part of the liquid medicine can not be led out when the air bag 7 exists; the sealing connection can prevent the liquid medicine from overflowing.
Preferably, the first liquid delivery pipe 9 and the second liquid delivery pipe 10 are both integrally connected with the gas delivery pipe 8; prevent the winding of many conveyer pipes, make whole conveyor clean and tidy easy returning.
Preferably, the first needle fixing seat 3 is provided with a first needle shield 13, and the second needle fixing seat 6 is provided with a second needle shield 14; on the one hand, the device is sealed and dustproof, and on the other hand, because the needle is sharp, the protection cover can prevent from causing accidental injury to medical staff when the device is not used.
As shown in fig. 2, preferably, the bottom of the telescopic extension tube 12 is connected with a traction rope 121, the traction rope 121 penetrates out of the first gas delivery needle head 1 and bypasses the first needle head end 11 to be fixedly connected with the adjusting knob 31, a sealing ring 122 is arranged at the bottom of the telescopic extension tube 12, and the sealing ring 122 is closely attached to the inner wall of the first gas delivery needle head 1. When in use, the adjusting knob 31 is rotated clockwise, the traction rope 121 is wound and tightened on the screw 311 of the adjusting knob 31, and then the telescopic extension tube 12 is driven to ascend, so that the purpose of extending the first gas conveying needle head 1 is achieved. A plurality of sleeves 123 can be arranged in the telescopic extension tube 12, and the first gas delivery needle 1 can be extended to be long enough by adopting the same principle as above.
Preferably, the end of the gas delivery pipe 8 near the upper delivery part is provided with an external gas delivery device 15, and the top end of the external gas delivery device 15 is provided with a switch 151 capable of being sealed for opening or closing the external gas delivery device 15. If the air pressure in the upper liquid medicine container is insufficient, the liquid medicine in the upper liquid medicine container cannot be completely blended into the lower liquid medicine container, at this time, the switch 151 on the external air delivery device 15 is turned on, and the air pressure in the upper liquid medicine container can be increased in the air delivery pipe for introducing the external air, so that the liquid medicine blending effect is improved, and the liquid medicine in the upper liquid medicine container can be completely led out. The filter device is arranged in the external air conveying device 15, so that the liquid medicine can be prevented from being polluted by external air.
Preferably, the side wall of the air bag 7 is provided with concave-convex threads; increasing the friction force when being held by hand; the first needle head fixing seat 3 and the second needle head fixing seat 6 are provided with anti-skid threads; the friction force during puncturing is increased, so that the operator saves more labor.
In the above-mentioned way, according to the liquid medicine blending and conveying device, the liquid medicine to be blended can be respectively and hermetically connected through the upper conveying part and the lower conveying part, so that the liquid medicine to be blended is prevented from being polluted due to the contact of the liquid medicine to be blended and air; the gas interface of the two liquid medicine containers is connected through the gas conveying pipe, the liquid medicine in the container above can be introduced into the air bag by extruding the air bag, and the liquid medicine in the air bag can be conveyed into the container below, so that the operation is simple, and the liquid medicine waste is avoided; and drainage efficiency is high, has practiced thrift medical personnel's operation man-hour, has improved medical care's efficiency.
The invention has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. A liquid medicine blending and conveying device is characterized in that: the device comprises an upper conveying part, a lower conveying part and a switching part, wherein the upper conveying part and the lower conveying part are oppositely arranged at two ends of the switching part;
the upper conveying part comprises a first gas conveying needle head, a first liquid conveying needle head and a first needle head fixing seat, the first gas conveying needle head and the first liquid conveying needle head are arranged in the first needle head fixing seat in a penetrating way side by side and up and down, the first gas conveying needle head comprises a first needle head end, the first liquid conveying needle head comprises a second needle head end, the length of the first needle head end away from the first needle head fixing seat is greater than that of the second needle head end away from the first needle head fixing seat, a telescopic extension tube is arranged in the first gas conveying needle head, an adjusting knob is arranged on one side, close to the first gas conveying needle head, of the first needle head fixing seat, and the adjusting knob is mechanically connected with the telescopic extension tube;
the lower conveying part comprises a second gas conveying needle head, a second liquid conveying needle head and a second needle head fixing seat, the second gas conveying needle head and the second liquid conveying needle head are arranged in the second needle head fixing seat in a penetrating way in parallel and up and down, the second gas conveying needle head comprises a third needle head end, the second liquid conveying needle head comprises a fourth needle head end, and the length of the third needle head end from the second needle head fixing seat is smaller than that of the fourth needle head end from the second needle head fixing seat;
the switching part comprises an air bag, a gas conveying pipe, a first liquid conveying pipe and a second liquid conveying pipe; the gas conveying pipe penetrates through the air bag vertically, and two ends of the gas conveying pipe are integrally connected with one end, close to the air bag, of the first gas conveying needle head and one end, close to the air bag, of the second gas conveying needle head respectively; the first liquid conveying pipe comprises a first end and a second end which are opposite, the first end is close to the gas conveying pipe and penetrates through the air bag, and the second end is integrally connected with one end, close to the air bag, of the first liquid conveying needle head; the second liquid conveying pipe comprises a third end and a fourth end which are opposite, the third end is close to the gas conveying pipe and penetrates through the air bag, and the fourth end is integrally connected with one end, close to the air bag, of the second liquid conveying needle head.
2. The medical fluid blending delivery device of claim 1, wherein: the first needle head end, the second needle head end, the third needle head end and the fourth needle head end are inclined pointed ends, the inclination direction and the inclination angle of the first needle head end and the second needle head end are the same, and the inclination direction and the inclination angle of the third needle head end and the fourth needle head end are the same.
3. The medical fluid blending delivery device of claim 2, wherein: the first needle end and the second needle end are integrally connected, and the inclined surfaces of the first needle end and the second needle end are on the same plane; the third needle end and the fourth needle end are integrally connected, and the inclined surfaces of the third needle end and the fourth needle end are on the same plane.
4. The medical fluid blending delivery device of claim 1, wherein: the first end is sealingly connected to the balloon wall of the balloon and does not extend into the balloon.
5. The medical fluid blending delivery device of claim 1, wherein: the third end is in sealing connection with the airbag wall of the airbag and does not extend into the airbag.
6. The medical fluid blending delivery device of claim 1, wherein: the first liquid conveying pipe and the second liquid conveying pipe are integrally connected with the gas conveying pipe.
7. The medical fluid blending delivery device of claim 1, wherein: the first needle fixing seat is provided with a first needle shield, and the second needle fixing seat is provided with a second needle shield.
8. The medical fluid blending delivery device of claim 1, wherein: the bottom of the telescopic extension pipe is connected with a traction rope, the traction rope penetrates out of the first gas conveying needle head and bypasses the first needle head end to be fixedly connected with the adjusting knob, a sealing ring is arranged at the bottom of the telescopic extension pipe, and the sealing ring is closely attached to the inner wall of the first gas conveying needle head.
9. The medical fluid blending delivery device of claim 1, wherein: an external gas transmission device is arranged at one end of the gas transmission pipe, which is close to the upper transmission part, and a switch is arranged at the top end of the external gas transmission device.
10. The medical fluid blending delivery device of claim 1, wherein: concave-convex threads are arranged on the side wall of the air bag, and anti-skid threads are arranged on the first needle head fixing seat and the second needle head fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088151.XA CN109528489B (en) | 2019-01-29 | 2019-01-29 | Liquid medicine blending and conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910088151.XA CN109528489B (en) | 2019-01-29 | 2019-01-29 | Liquid medicine blending and conveying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109528489A CN109528489A (en) | 2019-03-29 |
| CN109528489B true CN109528489B (en) | 2024-02-27 |
Family
ID=65838783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910088151.XA Active CN109528489B (en) | 2019-01-29 | 2019-01-29 | Liquid medicine blending and conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109528489B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426403A1 (en) * | 1989-11-01 | 1991-05-08 | David Bull Laboratories Pty. Ltd. | Transfer and dispensing device |
| GB9303748D0 (en) * | 1992-03-05 | 1993-04-14 | Doryokuro Kakunenryo | Apparatus for transferring a solution between sealed containers |
| CN2629725Y (en) * | 2003-07-18 | 2004-08-04 | 祝秀凤 | Disposable transfusion medicament feeding device |
| CN2712346Y (en) * | 2004-04-18 | 2005-07-27 | 吕海洋 | Medicine dispensing device |
| CN202505771U (en) * | 2012-03-25 | 2012-10-31 | 河北大学附属医院 | Liquid dosing device |
| CN202777079U (en) * | 2012-08-27 | 2013-03-13 | 章丽芬 | Dispensing injector |
| CN209695837U (en) * | 2019-01-29 | 2019-11-29 | 江苏省人民医院 | A kind of medical fluid blends conveying device |
-
2019
- 2019-01-29 CN CN201910088151.XA patent/CN109528489B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426403A1 (en) * | 1989-11-01 | 1991-05-08 | David Bull Laboratories Pty. Ltd. | Transfer and dispensing device |
| GB9303748D0 (en) * | 1992-03-05 | 1993-04-14 | Doryokuro Kakunenryo | Apparatus for transferring a solution between sealed containers |
| CN2629725Y (en) * | 2003-07-18 | 2004-08-04 | 祝秀凤 | Disposable transfusion medicament feeding device |
| CN2712346Y (en) * | 2004-04-18 | 2005-07-27 | 吕海洋 | Medicine dispensing device |
| CN202505771U (en) * | 2012-03-25 | 2012-10-31 | 河北大学附属医院 | Liquid dosing device |
| CN202777079U (en) * | 2012-08-27 | 2013-03-13 | 章丽芬 | Dispensing injector |
| CN209695837U (en) * | 2019-01-29 | 2019-11-29 | 江苏省人民医院 | A kind of medical fluid blends conveying device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109528489A (en) | 2019-03-29 |
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