CN203989224U - Medical switch contacts - Google Patents
Medical switch contacts Download PDFInfo
- Publication number
- CN203989224U CN203989224U CN201420177565.2U CN201420177565U CN203989224U CN 203989224 U CN203989224 U CN 203989224U CN 201420177565 U CN201420177565 U CN 201420177565U CN 203989224 U CN203989224 U CN 203989224U
- Authority
- CN
- China
- Prior art keywords
- infusion
- plinth
- infusion connector
- connector
- medical
- 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.)
- Expired - Lifetime
Links
- 238000001802 infusion Methods 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 25
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 208000019802 Sexually transmitted disease Diseases 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- ZFGMDIBRIDKWMY-PASTXAENSA-N heparin Chemical compound CC(O)=N[C@@H]1[C@@H](O)[C@H](O)[C@@H](COS(O)(=O)=O)O[C@@H]1O[C@@H]1[C@@H](C(O)=O)O[C@@H](O[C@H]2[C@@H]([C@@H](OS(O)(=O)=O)[C@@H](O[C@@H]3[C@@H](OC(O)[C@H](OS(O)(=O)=O)[C@H]3O)C(O)=O)O[C@@H]2O)CS(O)(=O)=O)[C@H](O)[C@H]1O ZFGMDIBRIDKWMY-PASTXAENSA-N 0.000 description 2
- 229960001008 heparin sodium Drugs 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 206010051986 Pneumatosis Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000000262 cochlear duct Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Abstract
This utility model relates to a kind of medical medical auxiliary apparatus, a kind of for separating liquid on medical care precess, collaborate and take out the switch of the occasions such as note drain, particularly a kind of medical switch contacts, comprise plinth, infusion connector and fluid joint, total one or two or multiple infusion connector are connected with plinth respectively, its composition main points are: infusion connector is tightly connected with mode and the plinth corresponding position of the headstock motion that can connect, be connected across the infusion channel of infusion connector inner core and crossing between sap cavity of plinth inner core, infusion channel is through valve and mistake sap cavity are communicated with the liquid outlet channel of fluid joint inner core thus.Advantage: transfusion finishes to withdraw from after puncture needle, can not produce negative pressure, is used easy to operately, is applicable to medical multiple occasion and uses.Can be using fluid joint as infusion connector, and using infusion connector as fluid joint, now can be suitable for medicinal liquid shunting occasion, i.e. one end feed flow, multiterminal fluid, this is a kind of unexpected effect.
Description
Technical field
This utility model relates to a kind of medical medical auxiliary apparatus, be a kind of for separating liquid on medical care precess, collaborate and take out the switch, particularly a kind of medical switch contacts of the occasions such as note drain.
Background technology
In existing field of medical technology in order to realize liquid interflow and to take out the operations such as note drain, adopt method as shown in Figure 1, that breeches joint directly connects people's non small cellCatheter, form multichannel communicating passage, breeches joint interface Zhi Luduan is connected with pin infusion connector or no-needle transfusion joint, and infusion connector is used for connecting the medical apparatus and instruments such as transfusion device.This breeches joint is not suitable for medicinal liquid shunting occasion, i.e. one end feed flow, multiterminal fluid; In transfusion occasion, when transfusion finishes, after heparin sodium washing pipe, withdraw from puncture needle, can produce negative pressure, cause sufferer backflow of blood to enter inlying catheter end in blood vessel, need drive refluence blood operation in conduit, operate too loaded down with trivial details, if otherwise driveing blood operates, breeches joint must be refuted and be connect the expensive needleless joint that can produce forward liquid flow, and sufferer is caused to not small economy burden; And in batch (-type) transfusion occasion, cannot turn-off medicinal liquid injection channel, end liquid stream by external flow control valve, because outside stopcock distance Y type joint also has a segment distance, can make just in infusion medicinal liquid diffuses into the tube chamber blocking, make sufferer be subject to dose deficiency, thereby in order to realize intermittently for medicine, the puncture needle that need extract infusion system disconnects feed flow, while needs, refute again and connect puncture needle, then connect feed flow, also have in infusion drain occasion, exist with the same problem defect of batch (-type) transfusion occasion, aforesaid operations is also very loaded down with trivial details.
Utility model content
The purpose of this utility model is to overcome weak point of the prior art, and provides a kind of transfusion to finish to withdraw from after puncture needle, can not produce negative pressure, and can turn-off medicinal liquid injection channel, carried out batch (-type) transfusion, used easy to operately, be applicable to the medical switch contacts that medical multiple occasion is used.
The purpose of this utility model is to realize by following technology:
Medical switch contacts, comprise plinth, infusion connector and fluid joint, total one or two or multiple infusion connector are connected with plinth respectively, plinth is connected with human body indwelling apparatus conduit by fluid joint, its composition main points are: infusion connector is tightly connected with mode and the plinth corresponding position of the headstock motion that can connect, through infusion connector connect headstock motion and the valve opening or turn-off is connected across the infusion channel of infusion connector inner core and crossing between sap cavity of plinth inner core, infusion channel is through valve and mistake sap cavity are communicated with the liquid outlet channel of fluid joint inner core thus.
Like this, can arbitrarily turn-off or open the corresponding infusion connector of this switch by this valve, be carried out batch (-type) transfusion, and use easy to operate.And due to the more close indwelling apparatus of the calparine cap conduit on the relative infusion connector of this valve, in the time withdrawing from puncture needle operation, extract heparin sodium washing pipe pin, can not produce negative pressure like this.
And this infusion connector becomes in fact the gauge tap of valve for this reason.
The purpose of this utility model can also realize by following approach.
The mode that infusion connector moves up and down with the headstock that connects is connected with plinth spring pre-tightening, shift motion low level end points infusion connector and plinth card touch locking, after release, pressed down freedom by spring bullet from the headstock that connects to the infusion connector of the high-order end points of shift motion, the shutoff of above-mentioned low level end points and the corresponding valve of high-order end points difference and open-minded.
In fact the structure of above-mentioned this gauge tap is exactly the structure that single pencil lead ball-point moves up and down by pressure-controlled pen core, in this case, ball pen end press head and pen core are equivalent to the application's infusion connector, ball pen cylindrical shell is equivalent to the application's plinth, because this structure is a kind of known technology, no longer repeated here.
The mode that infusion connector rotates with the headstock that connects is connected with plinth, the shutoff of two corresponding valves of end points difference of rotational travel and open-minded.
The axis that this is rotationally connected or with the axis coaxle of infusion connector or intersect vertically or tilt crossing.
The further optimization of this structure is:
Plinth is a kind of cylindrical shape, the cylindrical shape socket therewith of infusion connector one termination, the center of rotation of socket place and columnar axis coaxle, but tilt crossing with the axis of infusion connector, the cylindrical cavity of plinth was sap cavity, on the cylinder side wall of socket place, be penetrated with logical liquid aperture, turn to its infusion channel of infusion connector logical liquid aperture connection just therewith of opening end points.
In the time having two infusion connectors, these two infusion connectors are the corresponding two ends that are arranged on this circle tube joint seat respectively.
Fluid joint is by a circular cone male contact and is inserted in its peripheral traveling nut and forms, male contact rear end has a nut axis limitation of activity in this protruding ring card, male contact inserts the circular cone famale connector being connected with non small cellCatheter, and on traveling nut and famale connector, thread spins.
Due to traveling nut and the clamping effect of ring card, make fluid joint outer surface and famale connector inner surface closely cooperate, so liquid outlet channel is connected with famale connector inner chamber and inlying catheter tube chamber.
In sum, this utility model compared to existing technology tool has the following advantages: transfusion finishes to withdraw from after puncture needle, can not produce negative pressure, and can turn-off medicinal liquid injection channel, is carried out batch (-type) transfusion, uses easy to operately, is applicable to medical multiple occasion and uses.Three way cock can be exchanged to direction and use, as infusion connector, and using infusion connector as fluid joint, now can be suitable for medicinal liquid shunting occasion by fluid joint, i.e. one end feed flow, multiterminal fluid, this is a kind of unexpected effect.
brief description of the drawings:
Fig. 1 is a kind of joint of the prior art and structural representation together with indwelling apparatus outside human body hose connection.
Fig. 2 is the structural representation together with medical switch contacts and indwelling apparatus outside human body described in this utility model embodiment 1 hose connection.
Fig. 3 is the structural representation that the famale connector of medical switch contacts and the outer indwelling apparatus of human body links together described in this utility model most preferred embodiment.
Fig. 4 is the left view of medical switch contacts described in Fig. 2 and Fig. 3.
Fig. 5 is the structure cross-sectional schematic of the infusion connector in medical switch contacts described in this utility model embodiment.
Fig. 6 is Fig. 5 left view.
Fig. 7 is medical switch contacts on-state schematic diagram described in this utility model embodiment.
Label declaration:
Logical liquid aperture 1.2 liquid outlet channels 1.3 of 1 plinth 1.1 are crossed sap cavity 2 sealing ring 3 end cap 4 infusion connector 4.1 infusion channel 4.2 aperture passage 4.3 installing hole 4.4 rotational slide vestibules
Below in conjunction with accompanying drawing, this utility model is carried out to more detailed description.
Detailed description of the invention
Embodiment 1:
As shown in Fig. 2, Fig. 4 and Fig. 5, Fig. 6, medical switch contacts is made up of plinth 1, infusion connector 4, fluid joint and valve, plinth 1 is a kind of T font body forming that passed through mutually by three cylindrical body, the end of T font body first half two ends cylinder is symmetrical arranged end cap 3 and sealing ring 2, this horizontal cylinder inner chamber was sap cavity 1.3, and vertical cylinder type body is fluid joint, its inner chamber is liquid outlet channel 1.2, and liquid outlet channel 1.2 is connected with mistake sap cavity 1.3.Plinth 1T font first half two ends periphery is multidiameter shape, and fluid fittings body is direct and non small cellCatheter is affixed; Infusion connector 4 bottoms have a rotational slide vestibule 4.4, vestibule and plinth 1 two ends multidiameter periphery match, by interference fits and be tightly connected, can on multidiameter, freely rotate, vestibule is axial and infusion connector axis is in a certain angle, infusion channel is a female cone passage, and channel bottom is an aperture passage 4.2, and it is connected with rotational slide vestibule 4.4.O-ring seal 2 use medical elastic soft materials are made, and are arranged at rotational slide vestibule 4.4 two terminal circles and install in vestibule, and sealing ring 2 end faces and vestibule end face are close to.Plinth 1 two ends multidiameter is through sealing ring 2 endoporus, rotational slide vestibule 4.4, and axle head is concordant with sealing ring 2 end faces, and cascaded surface and sealing ring 2 other ends are close to.End cap 3 is ladder cylinders, on small end and plinth 1, crossing 1.3 liang of stomidiums of sap cavity matches, end cap small end is through sealing ring, inserted 1.3 liang of stomidiums of sap cavity, realize sealing tight fit, end cap 3 scala media treads are closely oppressed sealing ring 2 end faces simultaneously, and carry out affixed with plinth 1T word first half both ends of the surface.With on the cylinder side wall of rotational slide vestibule 4.4 corresponding positions, be penetrated with logical liquid aperture 1.1, rotation infusion connector 4 is when opening end points, aperture passage 4.2 overlaps with this logical liquid aperture 1.1, the two is communicated with, thereby infusion channel 4.1 is communicated with liquid outlet channel 1.2 via aperture passage 4.2, logical liquid aperture 1.2, mistake sap cavity 1.3.
This utility model is so work: in the time that two infusion connectors and plinth axis coexist a plane, 1.1 one-tenth about 90 degree of infusion connector aperture passage 4.2 and logical liquid aperture on plinth stagger, because having, the rotational slide vestibule surface of plinth multidiameter outer surface and infusion connector is sealed and matched, infusion channel 4.1 is all cut off with crossing sap cavity 1.3, and each passage is different.When needs are wherein when a road infusion connector infusion operation, only need to swing this infusion connector, and make aperture passage 4.2 and logical liquid aperture 1.1 approximately overlapping, so this side infusion connector passes through aperture passage 4.2, logical liquid aperture 1.1 and crosses sap cavity 1.3 and liquid outlet channel 1,2 are communicated with, can infusion or extracting liquid.In the time not needing this wing passage, only need swing back infusion connector, can turn-off fluid passage.When a side infusion channel wherein is communicated with, while needing again opposite side infusion channel, can as above operate and swing opposite side infusion connector, make opposite side infusion channel be communicated with liquid outlet channel, so realize liquid interflow infusion function, when needed, can block at any time wherein arbitrary passage, reach batch (-type) infusion object.According to needs of medical treatment, coordinate by swinging infusion connector, also can easily realize aspiration drainage cavity hydrops pneumatosis and infused drug.
It is same as the prior art that the present embodiment is not stated part.
Most preferred embodiment:
As shown in Figure 3, medical switch contacts, due to fluid joint not with flexible pipe fixed-link, and can be a kind of free-standing three-way cock.Its fluid joint is by a circular cone male contact and is inserted in its peripheral traveling nut and forms, male contact rear end has a protruding ring card, nut axis limitation of activity is in ring card, male contact inserts the circular cone famale connector being connected with non small cellCatheter, on traveling nut and famale connector, thread spins, due to traveling nut and the clamping effect of ring card, make fluid joint outer surface and famale connector inner surface closely cooperate, so liquid outlet channel is connected with famale connector inner chamber and inlying catheter tube chamber.
When sending out in colony's sexually transmitted disease (STD), need infusion medicinal liquid, and the not enough occasion of staff can adopt as Fig. 3 stand alone type three-way cock, and switch is connected in series, can realize the unified medicine that supplies, many people are subject to medicine simultaneously, have greatly saved manpower, have reduced medical worker's labor intensity.
It is identical with embodiment 1 that the present embodiment is not stated part.
Claims (7)
1. medical switch contacts, comprise plinth, infusion connector and fluid joint, total one or more infusion connector is connected with plinth respectively, plinth is connected with human body indwelling apparatus conduit by fluid joint, it is characterized in that, infusion connector is tightly connected with mode and the plinth corresponding position of the headstock motion that can connect, through infusion connector connect headstock motion and the valve opening or turn-off is connected across the infusion channel of infusion connector inner core and crossing between sap cavity of plinth inner core, infusion channel is through valve and mistake sap cavity are communicated with the liquid outlet channel of fluid joint inner core thus.
2. medical switch contacts according to claim 1, it is characterized in that, the mode that infusion connector moves up and down with the headstock that connects is connected with plinth spring pre-tightening, shift motion low level end points infusion connector and plinth card touch locking, after release, pressed down freedom by spring bullet from the headstock that connects to the infusion connector of the high-order end points of shift motion, the shutoff of above-mentioned low level end points and the corresponding valve of high-order end points difference and open-minded.
3. medical switch contacts according to claim 1, is characterized in that, the mode that infusion connector rotates with the headstock that connects is connected with plinth, the shutoff of two corresponding valves of end points difference of rotational travel and open-minded.
4. medical switch contacts according to claim 3, is characterized in that, the axis that this is rotationally connected or with the axis coaxle of infusion connector or intersect vertically or tilt crossing.
5. according to the medical switch contacts described in claim 3 or 4, it is characterized in that, plinth is a kind of cylindrical shape, the cylindrical shape socket therewith of infusion connector one termination, the center of rotation of socket place and columnar axis coaxle, but crossing with the axis inclination of infusion connector, the cylindrical cavity of plinth was sap cavity, on the cylinder side wall of socket place, be penetrated with logical liquid aperture, turn to its infusion channel of infusion connector logical liquid aperture connection just therewith of opening end points.
6. medical switch contacts according to claim 5, is characterized in that, in the time having two infusion connectors, these two infusion connectors are the corresponding two ends that are arranged on this circle tube joint seat respectively.
7. medical switch contacts according to claim 1, it is characterized in that, fluid joint is by a circular cone male contact and is inserted in its peripheral traveling nut and forms, male contact rear end has a nut axis limitation of activity in this protruding ring card, male contact inserts the circular cone famale connector being connected with non small cellCatheter, and on traveling nut and famale connector, thread spins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177565.2U CN203989224U (en) | 2014-04-11 | 2014-04-11 | Medical switch contacts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420177565.2U CN203989224U (en) | 2014-04-11 | 2014-04-11 | Medical switch contacts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203989224U true CN203989224U (en) | 2014-12-10 |
Family
ID=52029309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420177565.2U Expired - Lifetime CN203989224U (en) | 2014-04-11 | 2014-04-11 | Medical switch contacts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203989224U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015154301A1 (en) * | 2014-04-11 | 2015-10-15 | 福建省百仕韦医用高分子股份有限公司 | Medical switch connector |
| CN107320843A (en) * | 2017-08-11 | 2017-11-07 | 韩旭 | A kind of medical catheter rapid shunting device |
| CN107519567A (en) * | 2017-08-11 | 2017-12-29 | 韩旭 | A kind of device for shunting and collaborating for medical catheter |
-
2014
- 2014-04-11 CN CN201420177565.2U patent/CN203989224U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015154301A1 (en) * | 2014-04-11 | 2015-10-15 | 福建省百仕韦医用高分子股份有限公司 | Medical switch connector |
| CN107320843A (en) * | 2017-08-11 | 2017-11-07 | 韩旭 | A kind of medical catheter rapid shunting device |
| CN107519567A (en) * | 2017-08-11 | 2017-12-29 | 韩旭 | A kind of device for shunting and collaborating for medical catheter |
| CN107320843B (en) * | 2017-08-11 | 2018-05-22 | 韩旭 | A kind of medical catheter rapid shunting device |
| CN107519567B (en) * | 2017-08-11 | 2020-06-05 | 王岩 | Device for medical catheter shunting and confluence |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2013230399A5 (en) | ||
| CN103127576A (en) | Multi-bottle infusion device | |
| CN203989224U (en) | Medical switch contacts | |
| CN203915620U (en) | Medical rotary switch joint | |
| CN103736174A (en) | Two-way filtration syringe | |
| CN203001687U (en) | Perfusion connector of disposable indwelling catheter | |
| CN205073412U (en) | Venous indwelling needle | |
| CN201618217U (en) | Multichannel infusion set | |
| CN203694266U (en) | Automatic filtering injector | |
| CN203915521U (en) | A kind of stomach-Nasal-feeding pump coupling systems for tubes with three-position valve | |
| CN203989466U (en) | Medical malleation switch contacts | |
| CN207055734U (en) | The more siphunculus of transfusion counterflow-preventing | |
| CN203694233U (en) | Injector preventing backflow | |
| CN204121527U (en) | A kind of reverse flow resistant indwelling needle | |
| CN209900426U (en) | Bladder perfusion apparatus | |
| CN103705997A (en) | Injection piece of infusion set | |
| CN205252202U (en) | Dedicated transfusion device for chemotherapy | |
| CN203139223U (en) | Multi-bottle transfusion device | |
| CN210044605U (en) | Infusion bottle plug puncture device with anti-drop function | |
| CN207429144U (en) | A kind of lumbar puncture needle for improving processing safety | |
| CN205360221U (en) | Isobaric tube clipper of constant volume of two -chamber PICC pipe | |
| CN203694265U (en) | Bidirectional filtering type injector | |
| CN105616159A (en) | Totally-enclosed multifunctional medicine dispensing and getting device | |
| CN205434557U (en) | Medical transfusion system | |
| CN103691026A (en) | Anti-countercurrent injection part |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230904 Granted publication date: 20141210 |
|
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240411 Granted publication date: 20141210 |