CN208660031U - A kind of medical connector - Google Patents
A kind of medical connector Download PDFInfo
- Publication number
- CN208660031U CN208660031U CN201721201555.8U CN201721201555U CN208660031U CN 208660031 U CN208660031 U CN 208660031U CN 201721201555 U CN201721201555 U CN 201721201555U CN 208660031 U CN208660031 U CN 208660031U
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- CN
- China
- Prior art keywords
- diaphragm valve
- port
- sliding part
- valve seat
- medical connector
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- 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.)
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of medical connector, including diaphragm valve seat, diaphragm 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 equipped in 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 perfusion tube extended along abutting part to sliding part is equipped in diaphragm valve, perfusion tube includes cutting tip and base portion, cutting tip is arranged towards sliding part and the sliding part of its face is equipped with slit, there are distances between slit and cutting tip, perfusion tube connected by its base portion with diaphragm valve seat to be formed with second port perforation fluid channel, the outer wall of perfusion tube connects with the inner wall of diaphragm valve seat and forms the abutting slot with abutting part cooperation.The utility model can effectively prevent drug or blood backflow, automatic exhaust, be conducive to patient health, easy to use, reduce the labor intensity and use cost of health care workers.
Description
Technical field
The utility model relates to a kind of medical instrument, especially a kind of medical connector.
Background technique
Currently, medical staff before being infused, generally needs first to connect infusion apparatus to sufferer whole infusion treatment utensil
Interior air discharge, after remaining needle is successfully punctured with confirmation blood backflash, with tongs indwelling needle catheter temporary closure with
Anti- patient's blood is persistently back to infusion apparatus and mixes with drug, then adjusts infusion apparatus flow control and controlled with the infusion for doing next step
It treats.If subsequent appearance interrupts infusion or needs to make up a prescription again, a catheter of transfusion system is also needed to remove stage makeup and costume with indwelling needle catheter connector.
During removing stage makeup and costume, medical staff must repeated application tongs indwelling needle catheter temporary closure to prevent patient's blood from overflowing and
Exposure similarly in the case where preparing drug and connectionless remaining needle, also needs that infusion apparatus is exhausted and temporarily seals
Catheter of transfusion system is closed, it is above-described to be vented more inconvenient, medical staff's labour of getting up with the operation of temporary closure conduit
Intensity is larger.
Summary of the invention
The technical problems to be solved in the utility model is in view of the deficiencies of the prior art, to propose a kind of doctor easy to use
With connector, liquid reflux can be prevented in infusion, and there is self-bleeding function.
Technical problem to be solved in the utility model is achieved through the following technical solutions.The utility model is one
Kind of medical connector, its main feature is that, including diaphragm valve seat, diaphragm valve seat includes first port and second port, and with first
The valve support chamber that port and second port communicate, valve support chamber is interior to be equipped with hollow elastic diaphragm valve, and diaphragm valve includes compression unit, sliding
Portion and abutting part, sliding part and abutting part connect with compression unit both ends respectively, and the sliding part is located in first port, diaphragm valve
Interior equipped with the perfusion tube extended along its abutting part to its sliding part, perfusion tube includes cutting tip and base portion, and cutting tip direction is slided
The sliding part of portion's setting and its face is equipped with slit, and there are distance between slit and the cutting tip, the perfusion tube passes through
Its base portion connects the fluid channel to be formed with second port perforation with diaphragm valve seat, the outer wall of the perfusion tube and diaphragm valve seat
Inner wall connects and forms the abutting slot with abutting part cooperation.
Further, at least one stopping projection is equipped on the diaphragm valve at abutting part, is set on diaphragm valve seat
There is the retainer with stopping projection cooperation.
Further, the retainer is set as the blind hole cooperated with stopping projection or through-hole.
Further, the retainer is set as the through-hole cooperated with stopping projection, and stopping projection is to being externally connected with complex
Pull ring.
Further, the outer wall of the diaphragm valve seat of the through-hole face is equipped with the first rubber cap placement section, the first rubber
The first rubber cap for covering the through-hole is equipped in Capsule placement section.
Further, the diaphragm valve seat between the second port of the valve support chamber and perfusion tube base portion is equipped at least one
A gas vent being connected to fluid channel is covered with hydrophobic filter film on gas vent.
Further, the diaphragm valve seat outer wall of the gas vent face is equipped with the second rubber cap placement section, the second rubber
The second rubber cap of covering hydrophobic filter film is equipped in Capsule placement section.
Further, when the diaphragm valve is in uncompressed state, sliding part flushed with first port to be formed it is erasable
The surface wiped.
Further, the slit is set as trident, cross or X-shaped notch.
Further, the first port is set as the shape matched with Ruhr lock type or Rule gliding style connector.
Compared with prior art, it is equipped with perfusion tube in the valve support chamber of the diaphragm valve seat of the utility model, under normality, diaphragm valve
The slit of sliding part is in normally off, and the fluid channel by the cutting tip of second port to perfusion tube is close by elastic diaphragm valve
Envelope.When first port is connect with the connector of external infusion set (such as needle-free transfusion catheter, syringe), diaphragm valve is pushed away
Power, sliding part are constantly slided towards second port direction；When sliding part slides to the cutting tip of perfusion tube, slit thereon is punctured
After end is opened, the infusion channel of first port to second port is penetrated through, and can carry out fluid medicine conveying.Work as infusion-completed
Or when the dressing of midway, infusion apparatus and connector need to be disconnected, at this point, the sliding part of diaphragm valve recoils to first port, thereon
Slit can be closed automatically, again be sealed second port to the access between perfusion tube, in this way, drug or blood can not only be prevented
Liquid reflux, additionally it is possible to which limitation prevents bacterium from entering the connector after infusion apparatus disconnection, is conducive to the health of patient.If suffering from
Person needs dressing in infusion process, can connect infusion set with the utility model connector again after preparing medical fluid, after
It is continuous to use.The utility model is easy to operate, reduces the labor intensity of health care workers, and can repeatedly be used continuously, drop
Low medical treatment cost.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model；
Fig. 2 is state diagram when the utility model is used.
Specific embodiment
Combined with specific embodiments below and its attached drawing, the utility model is described in further detail, but this is practical new
The embodiment of type is not limited only to this.
Embodiment 1, referring to Fig.1-2, including diaphragm valve seat 10, diaphragm 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 equipped with hollow elastic diaphragm valve
20, hollow elasticity diaphragm valve 20 includes sliding part 22, abutting part 24 and compression unit 26, sliding part 22 and abutting part 24 respectively with pressure
26 both ends of contracting portion connect, and the sliding part 22 is located in first port 11, are equipped in diaphragm valve 20 and slide along its abutting part 24 to it
The perfusion tube 60 that dynamic portion 22 extends, perfusion tube 60 include cutting tip 61 and base portion 62, and cutting tip 61 is arranged towards sliding part and it
The sliding part of face is equipped with slit 21, and there are distance between slit 21 and the cutting tip 61, the perfusion tube 60 passes through it
Base portion 62 connect with diaphragm valve seat 10 to be formed with second port 17 penetrate through fluid channel, the outer wall 63 of the perfusion tube 60 with every
The inner wall 18 of film valve seat 10 connects and forms the abutting slot 70 with the abutting part 24 cooperation, the inner wall of the abutting part 24 and outer
Inner wall 18 of the wall respectively with the outer wall 63 of perfusion tube 60 and diaphragm valve seat 10 fits.
Embodiment 2 in medical connector described in embodiment 1, is set at its abutting part 24 on the diaphragm valve 20
There is at least one stopping projection 25, diaphragm valve seat 10 is equipped with the retainer cooperated with stopping projection 25.When infusion set and institute
When stating connector disconnection, diaphragm valve 20 is due to generating rebound by compression, the abutting slot 70 on abutting part 24 and diaphragm valve seat 10
Between generate thrust mutually, may make between 20 entirety of diaphragm valve and diaphragm valve seat 10 generate relative movement, influence subsequent
It uses, setting stopping projection 25 and retainer cooperate the whole slide that can prevent diaphragm valve 20, ensure making for the connector
Use effect.
Embodiment 3, in medical connector as described in example 2, the retainer is set as and stopping projection 25 cooperates
Blind hole or through-hole 19.
Embodiment 4, in medical connector described in embodiment 2 or 3, the retainer is set as and stopping projection 25 cooperates
Through-hole 19, stopping projection 25 is to being externally connected with complex pull ring 23.The complex pull ring 23 is to pull and adjustment diaphragm valve 20
Deformation after being squeezed contracting.
Embodiment 5, in medical connector as described in example 4, the outer wall of the diaphragm valve seat 10 of 19 face of through-hole
It is equipped with the first rubber cap placement section 14, is equipped with the first rubber cap for covering the through-hole 19 in the first rubber cap placement section 14
30.The area coverage of first rubber cap 30 is enough to cover the through-hole 19 cooperated with stopping projection 25, for prevent dust or other
Impurity enters connector by the through-hole 19.
Embodiment 6, in medical connector described in embodiment 1, the base portion 62 of the second port 17 and perfusion tube 60
Between diaphragm valve seat 10 be equipped at least one gas vent 16 for being connected to the fluid channel, be covered on gas vent 16 thin
Aqueous filter membrane 50.The hydrophobic filter film 50 avoids the risk of patient's air embolism, venous detaining needle dress to be vented
With the connector in use, simplifying operating process without first connection infusion apparatus exhaust.
Embodiment 7, in medical connector described in embodiment 6,10 outer wall of diaphragm valve seat of 16 face of gas vent
It is equipped with the second rubber cap placement section 15, the second rubber of covering hydrophobic filter film 50 is equipped in the second rubber cap placement section 15
Cap 40.Second rubber cap 40 protecting hydrophobic filter film 50, be also convenient for medical staff open according to the actual situation exhaust or
Close exhaust.
Hydrophobic filter film 50(hydrophobic filter membrane described in embodiment 6 and embodiment 7) it can
Be commercially available or the prior art disclosed in any one can be applied to the hydrophobic filter film 50 of the utility model, that is, cure
With gas filtration film, also referred to as hydrophobicity medical micro porouse filter membrane, gas is allowed to pass freely through, while liquid being prevented to pass through, it is such as hydrophobic
Property PTFE filter membrane, hydrophobicity PVDF miillpore filter.
Embodiment 8, in 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 and are arranged.
Embodiment 9, in medical connector described in embodiment 1-8 any one, the diaphragm valve 20 is in uncompressed
When state, sliding part 22 flushes the surface to form erasable with first port 11, facilitates medical staff right before starting infusion
The diaphragm valve 20 of connector carries out disinfection, to prevent patient from being infected by germ.
Embodiment 10, in medical connector described in embodiment 1-9 any one, the slit 21 is set as trident and cuts
Mouthful.
Embodiment 11, in medical connector described in embodiment 1-9 any one, the slit 21 is set as cross and cuts
Mouthful.
Embodiment 12, in medical connector described in embodiment 1-9 any one, the slit 21 is set as X-shaped and cuts
Mouthful.
The shape of slit 21 described in embodiment 10-12 is not limited to the notch of above-mentioned several shapes, as long as can make
The sliding part 22 of diaphragm valve 20 can be opened in by compression process by the cutting tip 61 of perfusion tube 60, realize diaphragm valve seat 10
First port 11 and the shape of its second port 17 perforation can be applied in the utility model connector.
Embodiment 13, in medical connector described in embodiment 1-12 any one, the first port 11 be set as with
The shape that Ruhr lock type connector 80 matches.
Embodiment 14, in medical connector described in embodiment 1-12 any one, the first port 11 be set as with
The shape that Rule gliding style connector matches.
The utility model connector does not connect use with existing conventional infusion device (such as needle-free transfusion catheter, syringe)
When, the slit 21 on the sliding part 22 of diaphragm valve 20 is in normally off, by the second port 17 of diaphragm valve seat 10 to perfusion tube
The fluid channel of 60 cutting tip 61 is sealed by elastic diaphragm valve 20.
In use, referring to Fig. 2, when the first port 11 of diaphragm valve seat 10 is connect with the connector of infusion set (shown in Fig. 2
Be equipped with the screw thread 12 that cooperates with Ruhr lock type connector 80 for the outer wall of first port 11, and with 80 screw thread phase of Ruhr lock type connector
Connect), diaphragm valve 20 is constantly slided towards 17 direction of second port by thrust, sliding part 22；When sliding part 22 and perfusion tube 60
Cutting tip 61 touch, and slit 21 thereon is punctured after end 61 opens, the first port 11 of diaphragm valve seat 10 to second end
The infusion channel of mouth 17 is penetrated through, and fluid medicine conveying can be carried out.It, need to be by infusion apparatus when infusion-completed or midway dressing
It is disconnected with connector, at this point, the sliding part 22 of diaphragm valve 20 recoils in first port 11, slit 21 thereon can close automatically
It closes, again seals second port 17 to the access between perfusion tube 60.If patient needs dressing or supplement in infusion process
Infusion set can connect with the utility model connector again after preparing medical fluid, continue to use by medical fluid.
In entire infusion process, the fluid in infusion set and connector can be arranged by gas vent 16
Gas, certainly, medical staff can according to the actual situation open the second rubber cap 40 to be vented, or the second rubber cap 40 is covered
To stop exhaust.
The utility model connector in actual production, can be used transparent material and be made, in order to which people are to even
The situation of change for connecing Fluid Volume or gas flow in device is observed.In addition, the section of the compression unit 26 of the diaphragm valve 20 is set
It is set 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
Capsule 30 and the second rubber cap 40 can individually, connectionless setting, it is independent to use.
Claims (10)
1. a kind of medical connector, it is characterised in that: including diaphragm valve seat, diaphragm 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 equipped 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
In mouthful, the perfusion tube extended along its abutting part to its sliding part is equipped in diaphragm valve, perfusion tube includes cutting tip and base portion, is punctured
The sliding part towards sliding part setting and its face is held to be equipped with slit, there are distances between slit and the cutting tip, described
Perfusion tube connected by its base portion with diaphragm valve seat to be formed with second port perforation fluid channel, the outer wall of the perfusion tube with
The inner wall of diaphragm valve seat connects and forms the abutting slot with abutting part cooperation.
2. medical connector according to claim 1, it is characterised in that: set at its abutting part on the diaphragm valve
There is at least one stopping projection, diaphragm valve seat is equipped with the retainer cooperated with stopping projection.
3. medical connector according to claim 2, it is characterised in that: the retainer is set as cooperating with stopping projection
Blind hole or through-hole.
4. medical connector according to claim 2 or 3, it is characterised in that: the retainer is set as and stopping projection
The through-hole of cooperation, stopping projection is to being externally connected with complex pull ring.
5. medical connector according to claim 4, it is characterised in that: the outer wall of the diaphragm valve seat of the through-hole face
It is equipped with the first rubber cap placement section, is equipped with the first rubber cap for covering the through-hole in the first rubber cap placement section.
6. medical connector according to claim 1, it is characterised in that: between the second port and perfusion tube base portion
Diaphragm valve seat be equipped at least one gas vent for being connected to fluid channel, be covered with hydrophobic filter film on gas vent.
7. medical connector according to claim 6, it is characterised in that: the diaphragm valve seat outer wall of the gas vent face
It is equipped with the second rubber cap placement section, the second rubber cap of covering hydrophobic filter film is equipped in the second rubber cap placement section.
8. medical connector according to claim 1, it is characterised in that: when the 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: the slit be set as trident, cross or
X-shaped notch.
10. medical connector according to claim 1, it is characterised in that: the first port is set as and Ruhr lock type
Or the shape that Rule gliding style connector matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721201555.8U CN208660031U (en) | 2017-09-19 | 2017-09-19 | A kind of medical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721201555.8U CN208660031U (en) | 2017-09-19 | 2017-09-19 | A kind of medical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208660031U true CN208660031U (en) | 2019-03-29 |
Family
ID=65819532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721201555.8U Active CN208660031U (en) | 2017-09-19 | 2017-09-19 | A kind of medical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208660031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107684645A (en) * | 2017-09-19 | 2018-02-13 | 江苏苏云医疗器材有限公司 | Medical connector |
-
2017
- 2017-09-19 CN CN201721201555.8U patent/CN208660031U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107684645A (en) * | 2017-09-19 | 2018-02-13 | 江苏苏云医疗器材有限公司 | Medical connector |
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| GR01 | Patent grant |