CN110898284A - Multifunctional infusion connector - Google Patents
Multifunctional infusion connector Download PDFInfo
- Publication number
- CN110898284A CN110898284A CN201911301287.0A CN201911301287A CN110898284A CN 110898284 A CN110898284 A CN 110898284A CN 201911301287 A CN201911301287 A CN 201911301287A CN 110898284 A CN110898284 A CN 110898284A
- Authority
- CN
- China
- Prior art keywords
- connector
- flow
- pipeline
- pressure stabilizing
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001802 infusion Methods 0.000 title claims description 18
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000000087 stabilizing effect Effects 0.000 claims description 22
- 238000004088 simulation Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 6
- 239000000645 desinfectant Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 241001465754 Metazoa Species 0.000 description 4
- 239000002872 contrast media Substances 0.000 description 4
- 241000283973 Oryctolagus cuniculus Species 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000002512 chemotherapy Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 238000001959 radiotherapy Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 101000666730 Homo sapiens T-complex protein 1 subunit alpha Proteins 0.000 description 1
- 102100038410 T-complex protein 1 subunit alpha Human genes 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 210000004731 jugular vein Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/105—Multi-channel connectors or couplings, e.g. for connecting multi-lumen tubes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M39/16—Tube connectors; Tube couplings having provision for disinfection or sterilisation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
Abstract
A multifunctional transfusion connector is characterized in that a connector body is Y-shaped, so that a pipeline can be connected to two pipelines from two outlets through an inlet, and a flow speed adjusting device and a one-way flow structure are arranged in the connector, so that liquid can only enter from the inlet and flow out from the outlets.
Description
Technical Field
The invention belongs to the field of medical equipment, and particularly relates to a multifunctional infusion connector.
Background
CT enhancement examination is a medical examination project which is relatively wide in clinical application at present, and comprises common enhancement scanning, CTA and various CT perfusion imaging, the adopted injection mode is high-pressure bolus injection, the flow rate and the flow rate of the high-pressure bolus injection are different in different examination projects, the flow rate of the common enhancement is about 2-3 ml/s, the flow rate of the common CTA is about 3-4 ml/s, the CCTA is 4-6 ml/s, and the flow rate of the perfusion imaging is often more than 5 ml/s. Along with the acceleration of the velocity of flow, the risk of contrast medium seepage also obviously increases, to the patient who passes through the treatment of radiotherapy and chemotherapy, its venous pressure-bearing capacity descends obviously, is the high risk crowd that contrast medium seepage takes place, descends above-mentioned various enhancement examinations at conventional velocity of flow, its risk is higher than ordinary normal crowd far away, following two kinds of effective solution at present, 1, adopt the great vessel puncture, 2, reduce the velocity of flow. The common large blood vessel puncture mainly comprises femoral vein puncture and jugular vein puncture, the operation is troublesome, and the leakage is difficult to press. The reduction of the flow rate will inevitably affect the overall strengthening effect of the examination, and is not beneficial to the diagnosis.
The development of animal experiments is an important means for medical image research, and due to the problem of expenditure, most students often choose to use animals with small body sizes for relevant subject research, especially rabbit experiments, and because the ear veins of rabbits are fine, the injection pressure which can be borne by the rabbits is very small, for example, 0.4ml/s, the leakage risk is as high as about 35%, which causes serious waste of experimental materials and experimental time, reduces the flow rate, reduces the leakage risk, but the CT strengthening effect is reduced, and the experimental result is affected.
Disclosure of Invention
In view of the prior art, the invention aims to provide a multifunctional infusion connector.
The technical scheme of the invention is realized as follows: a multifunctional transfusion connector is characterized in that a connector body is Y-shaped, so that a pipeline can be connected to two pipelines from two outlets through an inlet, and a flow speed adjusting device and a one-way flow structure are arranged in the connector, so that liquid can only enter from the inlet and flow out from the outlets.
The design has the advantages that the leakage risk of the high-pressure bolus injection contrast agent during the current CT enhancement examination is reduced, and particularly, the contrast examination of patients with extremely poor venous conditions (radiotherapy, chemotherapy and hemodialysis patients) or animal experiments of small animals are reduced; the one-way flow structure can effectively solve the problem that the connecting pipe is polluted due to blood backflow, and the utilization rate of the product is increased.
Furthermore, the unidirectional flow structure is that two pieces of flow stopping simulation valves which are elastically attached together enable the separated liquid of the flow stopping simulation valves to smoothly flow when the liquid flows in the forward direction, and the liquid stops flowing when the flow stopping simulation valves are attached together when the liquid flows in the reverse direction, so that the design can play a good unidirectional flow limiting role.
Furthermore, the one-way flow structure is that the monolithic diaphragm is fixed at one end of the stepped pipeline, when the liquid flows in the forward direction, the diaphragm is opened, and when the liquid flows in the reverse direction, the diaphragm is attached to the pipeline to close the pipeline on the stepped pipe orifice, so that the design is simple, and the processing cost is lower.
Further, flow rate adjusting device is including setting up pinch roller and the pinch roller casing outside the hose, and the pinch roller casing cover is equipped with the pinch roller groove on the hose and inside and makes the gyro wheel remove along the pinch roller groove and can extrude or release the hose, can reach the purpose of adjustment speed through the cross sectional area of gyro wheel adjustment hose like this.
Furthermore, the pinch roller groove is provided with a plurality of bending inflection points, so that the roller can stably stay on the inflection points, the stable control of the flow velocity on different inflection points can be ensured by setting the inflection points, and the flow velocity cannot be changed due to slight vibration.
Furthermore, the connector is provided with a pressure stabilizing structure, so that the pressure at the liquid outlet end of the connector is stabilized within a certain range, and the pressure is prevented from being changed greatly under special conditions.
Furthermore, the pressure stabilizing structure is provided with a closed pressure stabilizing cavity, a connecting pipe is arranged below the pressure stabilizing cavity, an upper piston and a lower piston are arranged in the connecting pipe, sterile gas is filled in the upper piston and the lower piston, a pipeline below the lower piston is connected with a liquid outlet of the connector, so that the pressure in the pipeline is the same as the pressure in the connector, disinfectant is arranged above the upper piston and extends into the pressure stabilizing cavity to occupy partial volume of the pressure stabilizing cavity, and the rest space of the pressure stabilizing cavity is filled with the sterile gas, so that the height of liquid can be stabilized within a certain range, and the pressure intensity can also be stabilized within a certain range.
Furthermore, the volume ratio of the disinfectant to the sterile gas is 1:4, so that the pressure change can be well controlled within a certain range, and a sufficient buffer space is provided.
Drawings
FIG. 1 is a schematic view of a multi-function infusion connector according to the present invention;
FIG. 2 is a close-up view of a one-way flow structure of a multi-functional infusion connector of the present invention;
FIG. 3 is an open view of a one-way flow structure of a multi-function infusion connector of the present invention;
FIG. 4 is a close-up view of a one-way flow structure of a multi-functional infusion connector of the present invention;
FIG. 5 is an open view of a one-way flow structure of a multi-function infusion connector of the present invention;
FIG. 6 is a schematic view of a flow rate adjustment device of a multi-function infusion connector of the present invention;
fig. 7 is a schematic view of a pressure stabilizing structure of the multifunctional infusion connector of the present invention.
Detailed Description
As required, detailed embodiments of the present invention are disclosed herein, but it is to be understood that the disclosed embodiments are merely exemplary of the invention that may be embodied in various and alternative forms. The figures are not necessarily to scale and certain features may be exaggerated or minimized to show details of particular components. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in figure 1, the main body of the connector 1 is Y-shaped, so that a pipeline can be connected from an inlet to an outlet and can flow out of two outlets and be connected to two pipelines, a flow rate adjusting device 2 and a one-way flow structure 3 are arranged in the connector 1, so that liquid can only enter from the inlet and flow out of the outlet, a joint of a common male pipeline and a common female pipeline can be connected with a Y-shaped tee 17 to realize simultaneous injection of two kinds of contrast agents 16, and the two pipelines are connected with two veins of a human body 18 to realize a liquid separating and shunting function.
As shown in fig. 2 and fig. 3, the unidirectional flow structure 3 is two pieces of flow stopping simulation valves 4 which are elastically attached together, so that when liquid flows in the forward direction, the flow stopping simulation valves 4 can smoothly flow, and when liquid flows in the reverse direction, the flow stopping simulation valves 4 are attached together, the liquid stops flowing.
As shown in FIG. 4 and FIG. 5, the unidirectional flow structure 3 is that a single membrane 5 is fixed at one end of a stepped pipe 19, when liquid flows forwards, the membrane 5 is opened, and when liquid flows backwards, the membrane 5 is attached to the pipe to close the pipe on a stepped pipe opening.
As shown in fig. 6 and 7, the flow rate adjusting device 2 includes a pressure roller 6 disposed outside the flexible tube 8 and a pressure roller housing 7, wherein the pressure roller housing 7 is sleeved on the flexible tube 8 and has a pressure roller groove 9 inside so that the pressure roller can press or release the flexible tube 8 when moving along the pressure roller groove 9. The roller groove 9 is provided with a plurality of curved inflection points so that the roller can stably stay at the inflection points. The connector 1 is provided with a pressure stabilizing structure 10, so that the pressure at the liquid outlet end of the connector 1 is stabilized within a certain range. The pressure stabilizing structure 10 is provided with a closed pressure stabilizing cavity 11, a connecting pipe 12 is arranged below the pressure stabilizing cavity 11, an upper piston 13 and a lower piston 14 are arranged in the connecting pipe 12, the upper piston 13 and the lower piston 14 are filled with sterile gas, a pipeline below the lower piston 14 is connected with a liquid outlet of the connector 1, so that the pressure in the pipeline is the same as the pressure in the connector 1, a disinfectant 15 is arranged above the upper piston 13 and extends into the pressure stabilizing cavity 11 to occupy part of the volume of the pressure stabilizing cavity 11, and the rest space of the pressure stabilizing cavity 11 is filled with the sterile gas. The volume ratio of the sterilizing liquid 15 to the sterile gas is 1: 4.
Claims (8)
1. A multifunctional transfusion connector is characterized in that: the connector (1) is characterized in that the connector body is Y-shaped, so that a pipeline can be connected to two pipelines from two outlets through one inlet, and a flow rate adjusting device (2) capable of adjusting the flow rate and a one-way flow structure (3) are arranged in the connector (1) to ensure that liquid can only enter from the inlet and flow out from the outlets.
2. The multi-function infusion connector of claim 1, wherein: the unidirectional flow structure (3) is formed by two flow stopping simulation valves (4) which are elastically attached together, so that when liquid flows in the forward direction, the liquid separated by the flow stopping simulation valves (4) can smoothly flow, and when the liquid flows in the reverse direction, the liquid attached together by the flow stopping simulation valves (4) stops flowing.
3. The multi-function infusion connector of claim 1, wherein: the unidirectional flow structure (3) is characterized in that a single membrane (5) is fixed at one end of the stepped pipeline, when liquid flows forwards, the membrane (5) is opened, and when the liquid flows backwards, the membrane (5) is attached to the pipeline to close the pipeline to the stepped pipe orifice.
4. The multi-function infusion connector of claim 2 or 3, wherein: the flow velocity adjusting device (2) comprises a pressing wheel (6) and a pressing wheel shell (7) which are arranged outside the hose (8), wherein the pressing wheel shell (7) is sleeved on the hose (8) and is internally provided with a pressing wheel groove (9) so that the roller can move along the pressing wheel groove (9) to extrude or release the hose (8).
5. The multi-function infusion connector of claim 4, wherein: the pressing wheel groove (9) is provided with a plurality of bending inflection points, so that the roller can stably stay on the inflection points.
6. The multi-function infusion connector of claim 5, wherein: the connector (1) is provided with a pressure stabilizing structure (10) so that the pressure at the liquid outlet end of the connector (1) is stabilized within a certain range.
7. The multi-function infusion connector of claim 6, wherein: the pressure stabilizing structure (10) is provided with a closed pressure stabilizing cavity (11), a connecting pipe (12) is arranged below the pressure stabilizing cavity (11), an upper piston (13) and a lower piston (14) are arranged in the connecting pipe (12), the upper piston (13) and the lower piston (14) are filled with sterile gas, a pipeline below the lower piston (14) is connected with a liquid outlet of the connector (1) to enable the pressure in the pipeline to be the same as the pressure in the connector (1), a disinfectant (15) is arranged above the upper piston (13) and extends into the pressure stabilizing cavity (11) to occupy part of the volume of the pressure stabilizing cavity (11), and the rest space of the pressure stabilizing cavity (11) is filled with the sterile gas.
8. The multi-function infusion connector of claim 7, wherein: the volume ratio of the disinfectant (15) to the sterile gas is 1: 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301287.0A CN110898284B (en) | 2019-12-17 | 2019-12-17 | Multifunctional transfusion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301287.0A CN110898284B (en) | 2019-12-17 | 2019-12-17 | Multifunctional transfusion connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110898284A true CN110898284A (en) | 2020-03-24 |
| CN110898284B CN110898284B (en) | 2024-05-07 |
Family
ID=69826041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911301287.0A Active CN110898284B (en) | 2019-12-17 | 2019-12-17 | Multifunctional transfusion connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110898284B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198316Y (en) * | 1994-06-14 | 1995-05-24 | 魏家禄 | Automatic blocking device for pipe adverse flow |
| CN2561421Y (en) * | 2002-08-26 | 2003-07-23 | 上海长海医院 | Disposable speed control quantitative infusion adjuster |
| CN202445746U (en) * | 2012-01-22 | 2012-09-26 | 邵璇 | Novel vein-imitated suction tube |
| CN202682382U (en) * | 2012-05-10 | 2013-01-23 | 马延爱 | Device for connecting ventricular canal and nasal feeding pump pipe |
| KR20130075128A (en) * | 2011-12-27 | 2013-07-05 | 주식회사 인성메디칼 | Connection catheter appliances for simultaneous venography of both upper and lower extremity veins |
| CN204995977U (en) * | 2015-09-08 | 2016-01-27 | 北京积水潭医院 | Two low limbs radiography pipes |
| CN105387241A (en) * | 2015-12-23 | 2016-03-09 | 钱建民 | Advanced roller flow control valve and application |
| CN205729954U (en) * | 2016-04-25 | 2016-11-30 | 中国人民解放军第四军医大学 | A kind of can the deep venouspuncture of compensator or trimmer pressure |
| CN207203177U (en) * | 2017-03-15 | 2018-04-10 | 中国人民解放军南京军区南京总医院 | Infusion flow adjuster with fixing device |
| CN207898732U (en) * | 2017-08-29 | 2018-09-25 | 梧州市人民医院 | Double lower limb phlebography shares connecting tube |
| CN108969840A (en) * | 2018-06-11 | 2018-12-11 | 杭州光启医疗科技发展有限公司 | With the drug delivery system for weakening medicinal liquid flow fluctuation and pressure oscillation function |
| CN209060199U (en) * | 2017-08-19 | 2019-07-05 | 樊华 | A kind of perfusion tube flow control device |
| CN211797996U (en) * | 2019-12-17 | 2020-10-30 | 温州医科大学附属第一医院 | Multifunctional infusion connector |
-
2019
- 2019-12-17 CN CN201911301287.0A patent/CN110898284B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2198316Y (en) * | 1994-06-14 | 1995-05-24 | 魏家禄 | Automatic blocking device for pipe adverse flow |
| CN2561421Y (en) * | 2002-08-26 | 2003-07-23 | 上海长海医院 | Disposable speed control quantitative infusion adjuster |
| KR20130075128A (en) * | 2011-12-27 | 2013-07-05 | 주식회사 인성메디칼 | Connection catheter appliances for simultaneous venography of both upper and lower extremity veins |
| CN202445746U (en) * | 2012-01-22 | 2012-09-26 | 邵璇 | Novel vein-imitated suction tube |
| CN202682382U (en) * | 2012-05-10 | 2013-01-23 | 马延爱 | Device for connecting ventricular canal and nasal feeding pump pipe |
| CN204995977U (en) * | 2015-09-08 | 2016-01-27 | 北京积水潭医院 | Two low limbs radiography pipes |
| CN105387241A (en) * | 2015-12-23 | 2016-03-09 | 钱建民 | Advanced roller flow control valve and application |
| CN205729954U (en) * | 2016-04-25 | 2016-11-30 | 中国人民解放军第四军医大学 | A kind of can the deep venouspuncture of compensator or trimmer pressure |
| CN207203177U (en) * | 2017-03-15 | 2018-04-10 | 中国人民解放军南京军区南京总医院 | Infusion flow adjuster with fixing device |
| CN209060199U (en) * | 2017-08-19 | 2019-07-05 | 樊华 | A kind of perfusion tube flow control device |
| CN207898732U (en) * | 2017-08-29 | 2018-09-25 | 梧州市人民医院 | Double lower limb phlebography shares connecting tube |
| CN108969840A (en) * | 2018-06-11 | 2018-12-11 | 杭州光启医疗科技发展有限公司 | With the drug delivery system for weakening medicinal liquid flow fluctuation and pressure oscillation function |
| CN211797996U (en) * | 2019-12-17 | 2020-10-30 | 温州医科大学附属第一医院 | Multifunctional infusion connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110898284B (en) | 2024-05-07 |
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