CN107684645A - Medical connector - Google Patents
Medical connector Download PDFInfo
- Publication number
- CN107684645A CN107684645A CN201710852002.7A CN201710852002A CN107684645A CN 107684645 A CN107684645 A CN 107684645A CN 201710852002 A CN201710852002 A CN 201710852002A CN 107684645 A CN107684645 A CN 107684645A
- Authority
- CN
- China
- Prior art keywords
- port
- barrier film
- sliding part
- valve seat
- medical connector
- 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.)
- Pending
Links
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
Abstract
A kind of medical connector, including barrier film valve seat, barrier film valve seat includes first port and second port, and the valve support chamber communicated with first port and second port, hollow elastic diaphragm valve is provided with valve support chamber, diaphragm valve includes compression unit, sliding part and abutting part, sliding part and abutting part connect with compression unit both ends respectively, sliding part is located in first port, the woven hose extended along abutting part to sliding part is provided with diaphragm valve, woven hose includes cutting tip and base portion, cutting tip is set towards sliding part and the sliding part of its face is provided with slit, distance is left between slit and cutting tip, woven hose connected by its base portion with barrier film valve seat to be formed with second port insertion fluid passage, the outer wall of woven hose connect with the inwall of barrier film valve seat and formed with abutting part coordinate abutting groove.The present invention can effectively prevent medicine or blood backflow, automatic exhaust, be advantageous to patient health, easy to use, reduce the labor intensity and use cost of health care workers.
Description
Technical field
The present invention relates to a kind of medicine equipment, particularly a kind of medical connector.
Background technology
At present, medical personnel typically need first to connect transfusion device with overall infusion treatment utensil before being infused to sufferer
Interior air discharge, after remaining needle is successfully punctured with confirming blood backflash, with tongs indwelling needle catheter temporary closure with
Anti- patient's blood is persistently back to transfusion device and mixed with medicine, then adjusts the control of transfusion device flow and controlled with doing the transfusion of next step
Treat.If follow-up occur interrupting transfusion or need to make up a prescription again, a catheter of transfusion system is also needed to be removed stage makeup and costume with indwelling needle catheter connector.
During removing stage makeup and costume, medical personnel must repeated application tongs indwelling needle catheter temporary closure to prevent patient's blood from overflowing and
Exposure, similarly, in the case where preparing medicine and connectionless remaining needle, also need that transfusion device is exhausted and temporarily seals
Catheter of transfusion system is closed, it is above-described to be vented more inconvenient, medical personnel's work of getting up with the operation of temporary closure conduit
Intensity is larger.
The content of the invention
The technical problem to be solved in the present invention is in view of the shortcomings of the prior art, it is proposed that a kind of medical company easy to use
Device is connect, can prevent liquid from flowing back in transfusion, and there is self-bleeding function.
The technical problems to be solved by the invention are achieved through the following technical solutions.The present invention is a kind of medical company
Connect device, be characterized in, including barrier film valve seat, barrier film valve seat includes first port and second port, and with first port and
The valve support chamber that Two-port netwerk communicates, valve support chamber is interior to be provided with hollow elastic diaphragm valve, and diaphragm valve includes compression unit, sliding part and abutting
Portion, sliding part and abutting part connect with compression unit both ends respectively, and the sliding part is located in first port, and edge is provided with diaphragm valve
The woven hose that its abutting part extends to its sliding part, woven hose include cutting tip and base portion, cutting tip set towards sliding part and
The sliding part of its face is provided with slit, leaves distance between slit and the cutting tip, the woven hose by its base portion with
Barrier film valve seat connects the fluid passage to be formed with second port insertion, and the outer wall of the woven hose connects with the inwall of barrier film valve seat
And form the abutting groove coordinated with the abutting part.
Further, at least one stopping projection is provided with abutting part on described diaphragm valve, is set on barrier film valve seat
There is the retainer coordinated with stopping projection.
Further, described retainer is set to blind hole or the through hole coordinated with stopping projection.
Further, described retainer is set to the through hole coordinated with stopping projection, and stopping projection is to being externally connected with complex
Draw ring.
Further, the outer wall of the barrier film valve seat of described through hole face is provided with the first rubber cap placement section, the first rubber
The first rubber cap for covering the through hole is provided with Capsule placement section.
Further, the barrier film valve seat between the second port of described valve support chamber and woven hose base portion is provided with least one
The individual steam vent connected with fluid passage, covered with hydrophobic filter film on steam vent.
Further, the barrier film valve seat outer wall of described steam vent face is provided with the second rubber cap placement section, the second rubber
The second rubber cap of covering hydrophobic filter film is provided with Capsule placement section.
Further, when described diaphragm valve is in uncompressed state, its sliding part flushed with first port to be formed it is erasable
The surface wiped.
Further, described slit is set to trident, cross or X-shaped otch.
Further, described first port is set to the shape being engaged with Ruhr lock type or Rule gliding style joint.
Compared with prior art, be provided with woven hose in the valve support chamber of barrier film valve seat of the invention, under normality, diaphragm valve slip
The slit in portion is in normally off, is sealed by the fluid passage of the cutting tip of second port to woven hose by elastic diaphragm valve.When
First port and external infusion set（Such as needle-free transfusion catheter, syringe）Joint connection when, diaphragm valve by thrust, its
Sliding part constantly slides towards second port direction；When sliding part slides to the cutting tip of woven hose, slit thereon is punctured end and beaten
After opening, the infusion channel of first port to second port is penetrated, you can carries out fluid medicine conveying.When infusion-completed or in
During the dressing of way, transfusion device and connector need to be disconnected, now, the sliding part of diaphragm valve recoils to first port, slit thereon
It can automatically close, again seal second port to the path between woven hose, so, can not only prevent medicine or blood from returning
Stream, additionally it is possible to which limitation prevents bacterium from entering the connector after transfusion device disconnects, and is advantageous to the health of patient.If patient exists
Dressing is needed in infusion process, infusion set can be connected with connector of the present invention again after decoction is prepared, be continuing with.This
Invent easy to operate, reduce the labor intensity of health care workers, and can repeatedly be used continuously, reduce medical treatment cost.
Brief description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the state diagram when present invention uses.
Embodiment
With reference to specific embodiment and its accompanying drawing, the present invention is described in further detail, but the implementation of the present invention
Mode is not limited only to this.
Embodiment 1, reference picture 1-2, including barrier film valve seat 10, barrier film valve seat 10 include first port 11 and second port
17, and the valve support chamber 13 communicated with first port 11 and second port 17, valve support chamber 13 is interior to be provided with hollow elastic diaphragm valve
20, hollow elastic diaphragm valve 20 includes sliding part 22, abutting part 24 and compression unit 26, sliding part 22 and abutting part 24 respectively with pressure
The both ends of contracting portion 26 connect, and the sliding part 22 is located in first port 11, are provided with along its abutting part 24 to it and slide in diaphragm valve 20
The woven hose 60 that dynamic portion 22 extends, woven hose 60 include cutting tip 61 and base portion 62, and cutting tip 61 is set towards sliding part and it
The sliding part of face is provided with slit 21, and distance is left between slit 21 and the cutting tip 61, and the woven hose 60 passes through it
Base portion 62 connect with barrier film valve seat 10 to be formed with second port 17 penetrate fluid passage, the outer wall 63 of the woven hose 60 with every
The inwall 18 of film valve seat 10 connects and formed the abutting groove 70 coordinated with the abutting part 24, the inwall of the abutting part 24 and outer
Wall fits with the outer wall 63 of woven hose 60 and the inwall 18 of barrier film valve seat 10 respectively.
Embodiment 2, in the medical connector described in embodiment 1, set on described diaphragm valve 20 at its abutting part 24
There is at least one stopping projection 25, barrier film valve seat 10 is provided with the retainer coordinated with stopping projection 25.When infusion set and institute
When stating connector disconnection, diaphragm valve 20 by compression due to producing resilience, its abutting part 24 and the abutting groove 70 on barrier film valve seat 10
Between mutually produce thrust, may make between the entirety of diaphragm valve 20 and barrier film valve seat 10 produce relative movement, influence follow-up
Use, set stopping projection 25 to coordinate the whole slide that can prevent diaphragm valve 20 with retainer, ensure making for the connector
Use effect.
Embodiment 3, in the medical connector described in embodiment 2, described retainer is set to and stopping projection 25 coordinates
Blind hole or through hole 19.
Embodiment 4, in the medical connector described in embodiment 2 or 3, described retainer is set to coordinate with stopping projection 25
Through hole 19, stopping projection 25 is to being externally connected with complex draw ring 23.The complex draw ring 23 is pulling and adjust diaphragm valve 20
The deformation being squeezed after contracting.
Embodiment 5, in the medical connector described in embodiment 4, the outer wall of the barrier film valve seat 10 of the described face of through hole 19
The first rubber cap placement section 14 is provided with, the first rubber cap for covering the through hole 19 is provided with the first rubber cap placement section 14
30.The area coverage of first rubber cap 30 is enough to cover the through hole 19 coordinated with stopping projection 25, for prevent dust or other
Impurity enters connector by the through hole 19.
Embodiment 6, in the medical connector described in embodiment 1, the base portion 62 of described second port 17 and woven hose 60
Between barrier film valve seat 10 be provided with least one steam vent 16 connected with the fluid passage, covered with dredging on steam vent 16
Water-based filter membrane 50.Described hydrophobic filter film 50 avoids the risk , Jing Veins remaining needles of patient's air embolism from filling to be vented
With the connector in use, without transfusion device exhaust is first connected, operating process is simplified.
Embodiment 7, in the medical connector described in embodiment 6, the outer wall of barrier film valve seat 10 of the described face of steam vent 16
The second rubber cap placement section 15 is provided with, the second rubber of covering hydrophobic filter film 50 is provided with the second rubber cap placement section 15
Cap 40.Second rubber cap 40 protecting hydrophobic filter film 50, also allow for medical personnel according to actual conditions open exhaust or
Close exhaust.
Hydrophobic filter film 50 described in embodiment 6 and embodiment 7（hydrophobic filter membrane）Can
To be commercially available or disclosed any one can be applied to the hydrophobic filter film 50 of the present invention, i.e. medical air in the prior art
Body filter membrane, also referred to as hydrophobicity medical micro porouse filter membrane, allow gas to pass freely through, while prevent liquid by such as hydrophobicity
PTFE filter membranes, hydrophobicity PVDF miillpore filters.
Embodiment 8, in the medical connector described in embodiment 7, the first rubber cap placement section 14 and the second rubber cap
Placement section 15 is disposed adjacent, and the second rubber cap 40 and the first rubber cap 30 are integrally formed setting.
Embodiment 9, in the medical connector described in embodiment 1-8 any one, described diaphragm valve 20 is in uncompressed
During state, its sliding part 22 flushes the surface to form erasable with first port 11, facilitates medical personnel right before transfusion is started
The diaphragm valve 20 of connector carries out disinfection, to prevent patient by courses of infection.
Embodiment 10, in the medical connector described in embodiment 1-9 any one, described slit 21 is set to trident and cut
Mouthful.
Embodiment 11, in the medical connector described in embodiment 1-9 any one, described slit 21 is set to cross and cut
Mouthful.
Embodiment 12, in the medical connector described in embodiment 1-9 any one, described slit 21 is set to X-shaped and cut
Mouthful.
The shape of slit 21 described in embodiment 10-12 is not limited to the otch of above-mentioned several shapes, as long as it can make
The sliding part 22 of diaphragm valve 20 can be opened in by compression process by the cutting tip 61 of woven hose 60, realize barrier film valve seat 10
First port 11 and the shape of its second port 17 insertion can apply in connector of the present invention.
Embodiment 13, in the medical connector described in embodiment 1-12 any one, described first port 11 be set to
The shape that Ruhr lock type joint 80 is engaged.
Embodiment 14, in the medical connector described in embodiment 1-12 any one, described first port 11 be set to
The shape that Rule gliding style joint is engaged.
Connector of the present invention not with existing conventional infusion device（Such as needle-free transfusion catheter, syringe）Connection in use,
Slit 21 on the sliding part 22 of diaphragm valve 20 is in normally off, by the second port 17 of barrier film valve seat 10 to woven hose 60
The fluid passage of cutting tip 61 is sealed by elastic diaphragm valve 20.
In use, reference picture 2, when the first port 11 of barrier film valve seat 10 is connected with the joint of infusion set（Shown in Fig. 2
For first port 11 outer wall be provided with Ruhr lock type joint 80 coordinate screw thread 12, and with the screw thread phase of Ruhr lock type joint 80
Connect）, diaphragm valve 20 is by thrust, and its sliding part 22 is constantly towards the slip of the direction of second port 17；When sliding part 22 and woven hose 60
Cutting tip 61 touch, and slit 21 thereon be punctured end 61 open after, the end of first port 11 to the second of barrier film valve seat 10
The infusion channel of mouth 17 is penetrated, you can carries out fluid medicine conveying., need to be by transfusion device when infusion-completed or midway dressing
Disconnected with connector, now, the sliding part 22 of diaphragm valve 20 is recoiled in first port 11, and slit 21 thereon can close automatically
Close, again seal second port 17 to the path between woven hose 60.If patient needs dressing or supplement in infusion process
Decoction, infusion set can be connected with connector of the present invention again after decoction is prepared, be continuing with.
In whole infusion process, the fluid in infusion set and connector can be arranged by steam vent 16
Gas, certainly, medical personnel can be opened the second rubber cap 40 to be vented according to actual conditions, or the second rubber cap 40 is covered
To stop exhaust.
Connector of the present invention can be made, in order to which people are to connector in actual production using transparent material
Interior Fluid Volume or the situation of change of gas flow are observed.In addition, the section of the compression unit 26 of the diaphragm valve 20 is arranged to
Waveform, meanwhile, no matter whether the first rubber cap placement section 14 and the second rubber cap placement section 15 are disposed adjacent, the first rubber cap
30 and second rubber cap 40 can individually, connectionless setting, it is independent to use.
Claims (10)
- A kind of 1. medical connector, it is characterised in that：Including barrier film valve seat, barrier film valve seat includes first port and second port, And the valve support chamber communicated with first port and second port, valve support chamber is interior to be provided with hollow elastic diaphragm valve, and diaphragm valve includes Compression unit, sliding part and abutting part, sliding part and abutting part connect with compression unit both ends respectively, and the sliding part is located at first end It is intraoral, the woven hose extended along its abutting part to its sliding part is provided with diaphragm valve, woven hose includes cutting tip and base portion, punctures Hold the sliding part towards sliding part setting and its face to be provided with slit, distance is left between slit and the cutting tip, it is described Woven hose connected by its base portion with barrier film valve seat to be formed with second port insertion fluid passage, the outer wall of the woven hose with The inwall of barrier film valve seat connect and formed with the abutting part coordinate abutting groove.
- 2. medical connector according to claim 1, it is characterised in that：Set on described diaphragm valve at its abutting part There is at least one stopping projection, barrier film valve seat is provided with the retainer coordinated with stopping projection.
- 3. medical connector according to claim 2, it is characterised in that：Described retainer is set to coordinate with stopping projection Blind hole or through hole.
- 4. the medical connector according to Claims 2 or 3, it is characterised in that：Described retainer is set to and stopping projection The through hole of cooperation, stopping projection is to being externally connected with complex draw ring.
- 5. medical connector according to claim 4, it is characterised in that：The outer wall of the barrier film valve seat of described through hole face The first rubber cap placement section is provided with, the first rubber cap for covering the through hole is provided with the first rubber cap placement section.
- 6. medical connector according to claim 1, it is characterised in that：Between described second port and woven hose base portion Barrier film valve seat be provided with least one steam vent connected with fluid passage, covered with hydrophobic filter film on steam vent.
- 7. medical connector according to claim 6, it is characterised in that：The barrier film valve seat outer wall of described steam vent face The second rubber cap placement section is provided with, the second rubber cap of covering hydrophobic filter film is provided with the second rubber cap placement section.
- 8. medical connector according to claim 1, it is characterised in that：When described diaphragm valve is in uncompressed state, Its sliding part flushes the surface to form erasable with first port.
- 9. medical connector according to claim 1, it is characterised in that：Described slit be set to trident, cross or X-shaped otch.
- 10. medical connector according to claim 1, it is characterised in that：Described first port is set to and Ruhr lock type Or the shape that Rule gliding style joint is engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852002.7A CN107684645A (en) | 2017-09-19 | 2017-09-19 | Medical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710852002.7A CN107684645A (en) | 2017-09-19 | 2017-09-19 | Medical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107684645A true CN107684645A (en) | 2018-02-13 |
Family
ID=61156430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710852002.7A Pending CN107684645A (en) | 2017-09-19 | 2017-09-19 | Medical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107684645A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124147B (en) * | 2019-05-17 | 2022-05-03 | 深圳安特医疗股份有限公司 | Protective cap and method for sterilizing infusion tube by using protective cap |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596618A (en) * | 2011-06-08 | 2014-02-19 | 株式会社Jms | Male member |
| CN104888310A (en) * | 2015-06-19 | 2015-09-09 | 河南曙光健士医疗器械集团股份有限公司 | Blood return prevention infusion connector |
| US20160129235A1 (en) * | 2014-11-12 | 2016-05-12 | Rymed Technologies, Llc | Needleless, Intermittent, Neutral Displacement IV Injection Port |
| CN105916535A (en) * | 2013-11-18 | 2016-08-31 | 霍基-罗伯茨公司 | Medical luer connector |
| CN106730119A (en) * | 2017-02-17 | 2017-05-31 | 河南曙光汇知康生物科技股份有限公司 | A kind of transfusion needleless joint |
| CN206482932U (en) * | 2016-08-31 | 2017-09-12 | 广东龙心医疗器械有限公司 | Exhaust joint |
| CN208660031U (en) * | 2017-09-19 | 2019-03-29 | 江苏苏云医疗器材有限公司 | A kind of medical connector |
-
2017
- 2017-09-19 CN CN201710852002.7A patent/CN107684645A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103596618A (en) * | 2011-06-08 | 2014-02-19 | 株式会社Jms | Male member |
| CN105916535A (en) * | 2013-11-18 | 2016-08-31 | 霍基-罗伯茨公司 | Medical luer connector |
| US20160129235A1 (en) * | 2014-11-12 | 2016-05-12 | Rymed Technologies, Llc | Needleless, Intermittent, Neutral Displacement IV Injection Port |
| CN104888310A (en) * | 2015-06-19 | 2015-09-09 | 河南曙光健士医疗器械集团股份有限公司 | Blood return prevention infusion connector |
| CN206482932U (en) * | 2016-08-31 | 2017-09-12 | 广东龙心医疗器械有限公司 | Exhaust joint |
| CN106730119A (en) * | 2017-02-17 | 2017-05-31 | 河南曙光汇知康生物科技股份有限公司 | A kind of transfusion needleless joint |
| CN208660031U (en) * | 2017-09-19 | 2019-03-29 | 江苏苏云医疗器材有限公司 | A kind of medical connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124147B (en) * | 2019-05-17 | 2022-05-03 | 深圳安特医疗股份有限公司 | Protective cap and method for sterilizing infusion tube by using protective cap |
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