CN201223594Y - Disposable infusion device for preventing blood return - Google Patents
Disposable infusion device for preventing blood return Download PDFInfo
- Publication number
- CN201223594Y CN201223594Y CNU2008201511023U CN200820151102U CN201223594Y CN 201223594 Y CN201223594 Y CN 201223594Y CN U2008201511023 U CNU2008201511023 U CN U2008201511023U CN 200820151102 U CN200820151102 U CN 200820151102U CN 201223594 Y CN201223594 Y CN 201223594Y
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- China
- Prior art keywords
- liquid
- following
- hole
- loam cake
- diffusion chamber
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- Expired - Fee Related
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Abstract
The utility model discloses a disposable blood non-return transfusion device which comprises a transfusion puncture outfit, a dropping funnel composite member for a puncture outfit, an upper catheter, a lower catheter, an adjuster, a drug-adding three-way tube and a 6% Ruhr movable locking type external taper, wherein the transfusion puncture outfit is installed at one end of the dropping funnel composite member for the puncture outfit; one end of the lower catheter is connected with the dropping funnel composite member for the puncture outfit, while the other end of the lower catheter penetrates the adjuster to be connected with the drug-adding three-way tube; the drug-adding three-way tube is connected with the 6% Ruhr movable locking type external taper through the upper catheter; and a one-way valve is connected in series with the lower catheter. The one-way valve allows the liquid to unilaterally flow, so that the blood backflow phenomenon caused by various factors during the transfusion process is avoided.
Description
Technical field:
The utility model relates to a kind of disposable infusion set, is exactly a kind of disposable use blood return preventing infusion device that has check valve specifically.
Background technology:
At present the disposable transfusion device that uses is in infusion process, and the patient may changing position, perhaps goes out, and may cause transfusion position than liquid level height in the dropping funnel like this, and the human pressure is higher than the tube for transfusion internal pressure, blood back can occur like this.And blood back may cause blood vessel blockage for a long time, thus the health of harmful to human.
Above-mentioned situation has seriously exposed the congenital design defect of common disposable transfusion device aspect transfusion operation.
Common disposable transfusion device is in infusion process, and the back untimely replacing or pull out if transfusion finishes is not in time found as patient and nursing staff.Can produce the air thrombosis to a certain extent.
Common disposable transfusion device is in infusion process, and the patient may changing position, perhaps goes out, and may cause transfusion position than liquid level height in the dropping funnel like this, and the human pressure is higher than the tube for transfusion internal pressure, blood back can occur like this.And blood back may cause blood vessel blockage for a long time.
Common disposable transfusion device is after transfusion finishes, and the patient may changing position etc., may cause transfusion position than liquid level height in the dropping funnel like this, and the human pressure is higher than the tube for transfusion internal pressure, blood back can occur like this.And blood back may cause blood vessel blockage for a long time.
The utility model content:
This utility model purpose provides a kind of disposable use blood return preventing infusion device simple in structure, easy to use, and the clinical infusion process that is used for prevents blood back.
To achieve these goals, the technical solution of the utility model is as follows:
Disposable use blood return preventing infusion device, comprise vein puncture device, perforator dropping funnel molectron, upper conduit, downcomer, actuator, dosing threeway, the removable locking-type external taper in 6% Rule, described vein puncture device is installed in an end of described perforator dropping funnel molectron, one end of described downcomer connects described perforator dropping funnel molectron, the other end passes actuator and connects the dosing threeway, the dosing threeway connects the removable locking-type external taper in 6% Rule by upper conduit, it is characterized in that serial connection one check valve on described downcomer.
Check valve of the present utility model is by loam cake, constitute by diaphragm, following, being provided with one in the described loam cake connects last liquid-through hole, first diffusion chamber of whole loam cake and seals anchor ring, describedly go up liquid-through hole, second diffusion chamber and sealing anchor ring three concentric, and go up liquid-through hole and first diffusion chamber connects; Be provided with one in described following and connect whole following following liquid-through hole, second diffusion chamber and some projectioies, described liquid-through hole down is concentric and perforation mutually with second diffusion chamber, described some projectioies are positioned at second diffusion chamber and are that the center of circle is distributed on described liquid-through hole periphery down with the central axis of described down liquid-through hole, outstanding following and stretch in first diffusion chamber of described loam cake of described some projectioies; Described loam cake and a following sealing paste lump together, and the described diaphragm that ends is installed between described loam cake and following, and is arranged in the sealing anchor ring of described loam cake; Upper and lower liquid-through hole and downcomer on described loam cake and following connect.
Check valve of the present utility model allows the liquid one-way flow, is unlikely in the infusion process owing to a variety of causes causes blood back.
Owing to have above structure, at the blood back that a variety of causes causes, this utility model beneficial effect is:
1, in the clinical transfusion process, can squeeze dropping funnel and reduce liquid residue
2, can prevent blood back in the infusion process
3, blood refluxes in the time of can avoiding arterial infusion
4, the fast transfusion of can pressurizeing
5, below check valve, can prevent that liquid can be back in the dropping funnel during feeding operations, make dosing can enter blood fast, and not by Macrodilution, clinical efficacy be good.
Description of drawings:
Further specify this utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the disposable use blood return preventing infusion device of this utility model.
Fig. 2 is the one-way valve structures sketch map of the disposable use blood return preventing infusion device of this utility model.
The specific embodiment:
For technological means, creation characteristic that this utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth this utility model.
Referring to Fig. 1, disposable use blood return preventing infusion device, comprise vein puncture device 1, perforator dropping funnel molectron 2, upper conduit 3, downcomer 4, actuator 5, dosing threeway 6, the removable locking-type external taper 7 in 6% Rule, vein puncture device 1 is installed in an end of perforator dropping funnel molectron 2, one end of downcomer 4 connects perforator dropping funnel molectron 2, the other end passes actuator 5 and connects dosing threeway 6, dosing threeway 6 connects the removable locking-type external taper 7 in 6% Rule by upper conduit 3, seals in a check valve 3 in downcomer 4.
Referring to Fig. 2, check valve 8 by loam cake 80, by diaphragm 81, constitute for following 82, being provided with one in the loam cake 80 connects last liquid-through hole 801, first diffusion chamber 802 of whole loam cake 80 and seals anchor ring 803, last liquid-through hole 801, second diffusion chamber 802 and sealing anchor ring 803 three's concentrics, and go up liquid-through hole 801 and first diffusion chamber 802 connects.
Be provided with one in the following seat 82 and connect whole following following liquid-through hole 821, second diffusion chamber 822 and some protruding 823, following liquid-through hole 821 and the 822 concentric and perforations mutually of second diffusion chamber, some protruding 823 central axis that are positioned at second diffusion chamber 822 and following liquid-through hole 821 are that the center of circle is distributed on down liquid-through hole 821 peripheries.
This embodiment seals in a check valve 8 in downcomer 4, because by diaphragm 81 and loam cake 80, the gap is very little between following 82, when the liquid reverse flow, medicinal liquid enters into second diffusion chamber by following 82 following liquid-through hole 821 and gathers 822, promotes the sealing anchor rings 803 in diaphragm 81 contact loam cakes 80 and seals; When the liquid forward flow, medicinal liquid enters into first diffusion chamber by the last liquid-through hole 801 of loam cake 80 and gathers 802, promote to move downward by diaphragm 81 and since by diaphragm 81 by following 82 some protruding 823 support and can not and between following 82 formation seal, so allow liquid to pass through.Adopt said structure, be unlikely in the infusion process owing to a variety of causes causes blood back.
Referring to Fig. 2, check valve 8 by loam cake 80, by diaphragm 81, constitute for following 82, being provided with one in the loam cake 80 connects last liquid-through hole 801, first diffusion chamber 802 of whole loam cake 80 and seals anchor ring 803, last liquid-through hole 801, second diffusion chamber 802 and sealing anchor ring 803 three's concentrics, and go up liquid-through hole 801 and first diffusion chamber 802 connects.
Be provided with one in the following seat 82 and connect whole following following liquid-through hole 821, second diffusion chamber 822 and some protruding 823, following liquid-through hole 821 and the 822 concentric and perforations mutually of second diffusion chamber, some protruding 823 central axis that are positioned at second diffusion chamber 822 and following liquid-through hole 821 are that the center of circle is distributed on down liquid-through hole 821 peripheries.
This embodiment seals in a check valve 8 in downcomer 4, because by diaphragm 81 and loam cake 80, the gap is very little between following 82, when the liquid reverse flow, medicinal liquid enters into second diffusion chamber by following 82 following liquid-through hole 821 and gathers 822, promotes the sealing anchor rings 803 in diaphragm 81 contact loam cakes 80 and seals; When the liquid forward flow, medicinal liquid enters into first diffusion chamber by the last liquid-through hole 801 of loam cake 80 and gathers 802, promote to move downward by diaphragm 81 and since by diaphragm 81 by following 82 some protruding 823 support and can not and between following 82 formation seal, so allow liquid to pass through.Adopt said structure, be unlikely in the infusion process owing to a variety of causes causes blood back.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; this utility model is not restricted to the described embodiments; that describes in the foregoing description and the description just illustrates principle of the present utility model; under the prerequisite that does not break away from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements all fall in claimed this utility model scope.The claimed scope of this utility model is defined by appending claims and equivalent thereof.
Claims (2)
1, disposable use blood return preventing infusion device, comprise vein puncture device, perforator dropping funnel molectron, upper conduit, downcomer, actuator, dosing threeway, the removable locking-type external taper in 6% Rule, described vein puncture device is installed in an end of described perforator dropping funnel molectron, one end of described downcomer connects described perforator dropping funnel molectron, the other end passes actuator and connects the dosing threeway, the dosing threeway connects the removable locking-type external taper in 6% Rule by upper conduit, it is characterized in that serial connection one check valve on described downcomer.
2. disposable use blood return preventing infusion device according to claim 1, it is characterized in that, described check valve is by loam cake, constitute by diaphragm, following, being provided with one in the described loam cake connects last liquid-through hole, first diffusion chamber of whole loam cake and seals anchor ring, describedly go up liquid-through hole, second diffusion chamber and sealing anchor ring three concentric, and go up liquid-through hole and first diffusion chamber connects; Be provided with one in described following and connect whole following following liquid-through hole, second diffusion chamber and some projectioies, described liquid-through hole down is concentric and perforation mutually with second diffusion chamber, described some projectioies are positioned at second diffusion chamber and are that the center of circle is distributed on described liquid-through hole periphery down with the central axis of described down liquid-through hole, outstanding following and stretch in first diffusion chamber of described loam cake of described some projectioies; Described loam cake and a following sealing paste lump together, and the described diaphragm that ends is installed between described loam cake and following, and is arranged in the sealing anchor ring of described loam cake; Upper and lower liquid-through hole and downcomer on described loam cake and following connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201511023U CN201223594Y (en) | 2008-07-22 | 2008-07-22 | Disposable infusion device for preventing blood return |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201511023U CN201223594Y (en) | 2008-07-22 | 2008-07-22 | Disposable infusion device for preventing blood return |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201223594Y true CN201223594Y (en) | 2009-04-22 |
Family
ID=40596472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201511023U Expired - Fee Related CN201223594Y (en) | 2008-07-22 | 2008-07-22 | Disposable infusion device for preventing blood return |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201223594Y (en) |
-
2008
- 2008-07-22 CN CNU2008201511023U patent/CN201223594Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI SHUANGGE INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: LI XIANYU Effective date: 20110726 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201400 NO. 1888, HUHANG HIGHWAY, FENGXIAN DISTRICT, SHANGHAI TO: 201400 NO. 1888, HUHANG HIGHWAY, FENGPU-JIANGHAI ECONOMIC PARK, FENGXIAN DISTRICT, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110726 Address after: 201400, Shanghai, Fengxian District, a Jianghai Jianghai Economic Zone, Shanghai Hangzhou Highway No. 1888 Patentee after: Double-Dove Industrial Co., Ltd. Address before: 201400, No. 1888, Shanghai Hangzhou highway, Shanghai, Fengxian District Patentee before: Li Xianyu |
|
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI JUMIN BIOTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI SHUANGGE INDUSTRIAL CO., LTD. Effective date: 20141014 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20141014 Address after: 201400 No. 1888, No. sixth, Shanghai Hangzhou highway, Shanghai Patentee after: SHANGHAI JUMIN BIOLOGICAL TECHNOLOGY CO., LTD. Address before: 201400, Shanghai, Fengxian District, a Jianghai Jianghai Economic Zone, Shanghai Hangzhou Highway No. 1888 Patentee before: Double-Dove Industrial Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20160722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |