CN202951127U - Novel positive pressure backflow-proof-type connector - Google Patents
Novel positive pressure backflow-proof-type connector Download PDFInfo
- Publication number
- CN202951127U CN202951127U CN 201220387571 CN201220387571U CN202951127U CN 202951127 U CN202951127 U CN 202951127U CN 201220387571 CN201220387571 CN 201220387571 CN 201220387571 U CN201220387571 U CN 201220387571U CN 202951127 U CN202951127 U CN 202951127U
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- silica gel
- gel plug
- positive pressure
- reverse flow
- flow pattern
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Abstract
A novel positive pressure backflow-proof-type connector mainly comprises an outer shell, a base, a valve shell, a large silica gel plug and a small silica gel plug. The outer shell, the base and the large silica gel plug constitute a positive pressure device. The valve shell and the small silica gel plug constitute a backflow-proof device. Compared with the prior art, the connector has the advantages of being simple in structure, convenient to use and small in size and the like.
Description
Technical field
This utility model relates to medical medical instruments field, is specifically related to the anti-reverse flow pattern joint of a kind of clinical Novel positive pressure commonly used.
Background technology
Hospital is all generally scalp acupuncture to be through on calparine cap infuse when using remaining needle now, also to rinse remaining needle with heparin when pulling out pin, and also want withdraw of the needle limit, limit to push away liquid in the withdraw of the needle, in case being back to, Hemostatic Oral Liquid stops up flexible pipe in remaining needle, therefore, thereby the generation that effectively prevents the phenomenon of leakage makes patient obtain better therapeutic effect and the fastest resume speed, reduces pricking wound, and the incidence rate that reduces nosocomial infection is a thing of being badly in need of solution; When the patient repeatedly transfuses blood; usually can use remaining needle; the general joint of syringe that adopts is connected with remaining needle; but when infusion-completed is pulled up the joint of syringe; because the effect of negative pressure can make blood backflow in remaining needle; immobilising blood easily solidifies, and blood coagulation can cause the obstruction of remaining needle, and next time, transfusion just can't be carried out again.
The utility model content
The purpose of this utility model is a kind of anti-reverse flow pattern joint of Novel positive pressure that is fit to clinical use that designs in order to address the above problem.
The anti-reverse flow pattern joint of Novel positive pressure mainly is made of shell, base, valve casing, large silica gel plug, little silica gel plug, and its housing, base, large silica gel plug consist of positive pressure devices, and valve casing, little silica gel plug consist of anti-backflow device;
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that shell inner cavity is provided with bar-shaped trough, when increasing shell wall thickness, can prevent when large silica gel plug is pushed, and large silica gel plug and outer casing inner wall too are close to and result in blockage.
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that shell side props up the accent tail end and be provided with bracing frame, and little silica gel plug is played a supporting role;
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that large silica gel plug, little silica gel plug consist of one by head end and body end;
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that the body end of large silica gel plug, little silica gel plug is hollow structure, body end afterbody all and exterior;
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that the head end lateral wall of large silica gel plug, place, body end lateral wall are equipped with arc groove, and the degree of depth of groove is no more than the wall thickness of large silica gel plug;
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that the head end top of large silica gel plug is closed state;
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that little silica gel plug head end place is provided with liquid and flows into groove, prevents when infusing, and due to the extruding silica gel plug, causes the head end of infusion connector and little silica gel plug to fit tightly, and causes liquid smooth and easyly to flow into;
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that being provided with the sealing platform bottom little silica gel plug head end, can closely be connected with valve casing;
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that base upper end lateral part is provided with the liquid inflow entrance, and conduit junction, lower end tail end is provided with steam vent;
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that valve casing props up with shell side, base is ultrasonic bonding with the shell bottom and is connected.
The anti-reverse flow pattern joint of above-mentioned Novel positive pressure is characterized in that large silica gel plug, little silica gel plug are the silica gel material and form.
This utility model compared with prior art has the advantages such as simple in structure, easy to use, that volume is little.
Description of drawings
Fig. 1 is this utility model structural representation
Fig. 2 is this utility model cutaway view
Fig. 3 is cut-away view of outer cover
Fig. 4 is large silica gel plug structural representation
Fig. 5 is the cutaway view of large silica gel plug
Fig. 6 is little silica gel plug structural representation
Fig. 7 is little silica gel plug cutaway view
Fig. 8 is the understructure schematic diagram
Fig. 9 is the upward view of base
The specific embodiment
The anti-reverse flow pattern joint of Novel positive pressure, mainly consisted of by shell 1, base 2, valve casing 3, large silica gel plug 4, little silica gel plug 5, its housing 1, base 2, large silica gel plug 4 consist of positive pressure devices, valve casing 3, little silica gel plug 5 consist of anti-backflow device, shell 1 inner chamber is provided with bar-shaped trough 6, when increasing shell 1 wall thickness, can prevent when large silica gel plug 4 is pushed, large silica gel plug 4 too is close to and results in blockage with shell 1 inwall, shell 1 side is propped up the accent tail end and is provided with bracing frame 7, and little silica gel plug 5 is played a supporting role; Large silica gel plug 4, little silica gel plug 5 consist of one by head end 8 and body end 9, the body end 8 of large silica gel plug 4, little silica gel plug 5 is hollow structure, body end 8 afterbodys all and exterior, head end 8 lateral walls of large silica gel plug 4, body end 9 places, lateral walls are equipped with arc groove 10, the degree of depth of arc groove 10 is no more than the wall thickness of large silica gel plug 4, and head end 8 tops of large silica gel plug 4 are closed state; Little silica gel plug 5 head end 8 places are provided with liquid and flow into groove 11, prevent when infusing, due to the extruding silica gel plug, cause the head end 8 of infusion connector and little silica gel plug 5 to fit tightly, cause liquid smooth and easyly to flow into, head end 8 bottoms of little silica gel plug 5 are provided with sealing platform 12, can closely be connected with valve casing 3; On base, 2 end lateral parts are provided with liquid inflow entrance 13, conduit junction, lower end tail end is provided with steam vent 14, when large silica gel plug 4 is extruded, the gas of large silica gel plug 4 inside can be discharged from the steam vent 14 on base 2 along with extruding, after infusion-completed withdraws from connection, it is inner that gas can flow into large silica gel plug from steam vent 14, thereby large silica gel plug 4 is restored to the original state; Valve casing 3 props up with shell 1 side, base 2 is ultrasonic bonding with shell 1 bottom and is connected.
During concrete operations, can infuse for a long time by joint side Zhi Jinhang, after infusion administering catheter and side are propped up and are connected, little silica gel plug 5 is inwardly pushed, medicinal liquid flows to liquid inflow entrance 13 along liquid inflow groove 11 and completes transfusion state, and after infusion-completed withdrawed from tube for transfusion, little silica gel plug 5 was because elastic reaction returns to original state, make sealing platform 12 be in sealing state with valve casing 3, thereby prevent blood reflux; During interim dosing, syringe is connected with nipple tip, the large silica gel plug 4 of syringe nipple extruding, the pushing syringe injection, liquid can be on shell 1 inwall bar shaped notch place flow down, converge through the liquid inflow entrance 13 on base 2 and flow in connecting duct, dosing is complete withdraw from syringe after, large silica gel plug 4 is restorable the time, can form an of short duration pressure between shell 1 inwall and large silica gel plug 4 outer walls, this pressure can continue conductive pipe junction promotion with the liquid that remains in joint, thereby anti-Hemostatic Oral Liquid and medicinal liquid backflow.
Be more than preferred embodiment of the present utility model, all changes of doing according to technical solutions of the utility model when the function that produces does not exceed the scope of technical solutions of the utility model, all belong to protection of the present utility model.
Claims (12)
1. the anti-reverse flow pattern joint of Novel positive pressure, mainly be made of shell, base, valve casing, large silica gel plug, little silica gel plug, it is characterized in that shell, base, large silica gel plug consist of positive pressure devices, and valve casing, little silica gel plug consist of anti-backflow device.
2. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1, it is characterized in that shell inner cavity is provided with bar-shaped trough, when increasing shell wall thickness, can prevent when large silica gel plug is pushed, large silica gel plug and outer casing inner wall too are close to and result in blockage.
3. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1 is characterized in that shell side props up the accent tail end and be provided with bracing frame, and little silica gel plug is played a supporting role.
4. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1, is characterized in that large silica gel plug, little silica gel plug consist of one by head end and body end.
5. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1, is characterized in that the body end of large silica gel plug, little silica gel plug is hollow structure, body end afterbody all and exterior.
6. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1, is characterized in that the head end lateral wall of large silica gel plug, place, body end lateral wall are equipped with arc groove, and the degree of depth of groove is no more than the wall thickness of large silica gel plug.
7. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1 is characterized in that the head end top of large silica gel plug is closed state.
8. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1 is characterized in that little silica gel plug head end place is provided with liquid and flows into groove.
9. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1, is characterized in that being provided with the sealing platform bottom little silica gel plug head end, can closely be connected with valve casing.
10. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1 is characterized in that base upper end lateral part is provided with the liquid inflow entrance, and conduit junction, lower end tail end is provided with steam vent.
11. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1 is characterized in that valve casing props up with shell side, base is ultrasonic bonding with the shell bottom and is connected.
12. the anti-reverse flow pattern joint of Novel positive pressure according to claim 1 is characterized in that large silica gel plug, little silica gel plug are the silica gel material and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387571 CN202951127U (en) | 2012-08-03 | 2012-08-03 | Novel positive pressure backflow-proof-type connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220387571 CN202951127U (en) | 2012-08-03 | 2012-08-03 | Novel positive pressure backflow-proof-type connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202951127U true CN202951127U (en) | 2013-05-29 |
Family
ID=48456722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220387571 Expired - Fee Related CN202951127U (en) | 2012-08-03 | 2012-08-03 | Novel positive pressure backflow-proof-type connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202951127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169519A (en) * | 2015-10-28 | 2015-12-23 | 苏州鱼跃医疗科技有限公司 | Positive-pressure needle-free connecting piece |
-
2012
- 2012-08-03 CN CN 201220387571 patent/CN202951127U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105169519A (en) * | 2015-10-28 | 2015-12-23 | 苏州鱼跃医疗科技有限公司 | Positive-pressure needle-free connecting piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HENAN TUOREN MEDICAL APPLIANCES GROUP CO., LTD. Free format text: FORMER NAME: XINXIANG TUOREN MEDICAL APPLIANCES CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 453400, Henan County, Xinxiang City, Changyuan Province Meng Gang reed Garden Industrial Zone Patentee after: HENAN TUOREN MEDICAL DEVICE Co.,Ltd. Address before: Xinxiang City, Henan Province, Changyuan 453400 Gangwei Meng industrial park a group Patentee before: Xinxiang City Tuoren Medical Device Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160205 Address after: 453400 Changyuan County, Henan Province, the village of Industrial Zone Patentee after: HENAN TUOREN BEISITE MEDICAL DEVICES Co.,Ltd. Address before: 453400, Henan County, Xinxiang City, Changyuan Province Meng Gang reed Garden Industrial Zone Patentee before: HENAN TUOREN MEDICAL DEVICE Co.,Ltd. |
|
| 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: 20130529 Termination date: 20210803 |