CN104096283B - Prevent medicine liquid leakage exempts from pin infusion connector - Google Patents
Prevent medicine liquid leakage exempts from pin infusion connector Download PDFInfo
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- CN104096283B CN104096283B CN201310127676.2A CN201310127676A CN104096283B CN 104096283 B CN104096283 B CN 104096283B CN 201310127676 A CN201310127676 A CN 201310127676A CN 104096283 B CN104096283 B CN 104096283B
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Abstract
The present invention for it is a kind of prevent medicine liquid leakage exempt from pin infusion connector, it is to be internally formed conduit in sleeve, the internal face bottom end projection of conduit has block edge, the inside of sleeve is sequentially provided with moving member and feather valve, the top of sleeve sets the connecting seat of promising ducted body, moving member is ducted body, it is arranged at the inside of sleeve, feather valve is provided with guide rod, guide rod is located in conduit, passage is formed between guide rod and conduit, the outside wall surface bottom end of guide rod is closely against the block edge of conduit, make the bottom mouth of pipe closing of conduit, feather valve contact is located between connecting seat and moving member, the inside of feather valve is provided with inserted link, feather valve is set not connected with inside connecting seat.When using, it is that syringe is first incorporated into connecting seat, doser is incorporated into sleeve bottom end with ejection moving member again, and then compress feather valve, now, block edge of the bottom of the guide rod of feather valve away from conduit, therefore the bottom mouth of pipe of conduit is in open state, decoction is provided whereby smoothly to be injected in patient.
Description
Technical field
The present invention be on medical fluid injector, it is espespecially a kind of can prevent medicine liquid leakage really exempt from pin infusion connector.
Background technology
Medical fluid injector is to be used to inject decoction in patient, and traditional medical fluid injector is to be provided with pin in syringe
Head, can inject the decoction inside syringe in patient via syringe needle, still, syringe needle easily punctures article, even stab medical care
Personnel, therefore, development has at present a kind of exempts from pin type medical fluid injector without syringe needle.
It is above-mentioned exempt from pin type medical fluid injector in use, be through the combination exempted between pin infusion connector and doser,
The inside that makes to exempt from pin infusion connector and doser have been internally formed a transfusion runner, and whereby, the decoction inside syringe can pass through
In transfusion runner injection patient, however, the airtight effect for exempting from pin infusion connector of prior art is not good, when injection is finished,
It is intended to doser being detached in when exempting from pin infusion connector, can often occurs the situation of medicine liquid leakage and cause danger, therefore still need to be subject to
Improvement.
The content of the invention
In view of the shortcoming of foregoing prior art, the present invention provide it is a kind of prevent medicine liquid leakage exempt from pin infusion connector, lead to
Cross be designed with can mutually tight against sleeve and feather valve, to reach the effect for preventing medicine liquid leakage.
To reach foregoing goal of the invention, the present invention propose it is a kind of prevent medicine liquid leakage exempt from pin infusion connector, it includes
There are a sleeve, a moving member, a feather valve and a connecting seat, wherein：The sleeve has an outer tube, and the outer tube is internally formed
There is a conduit, the internal face bottom end projection of the conduit has a block edge；The moving member is a ducted body, and it is movably arranged at
The inside of sleeve and the outside for being sheathed on conduit；The feather valve, should sequentially provided with compressed pipe on compressed pipe once, a cylinder and one
Run through on cylinder provided with least one perforation, with being interconnected inside compressed pipe on this by the perforation inside the lower compressed pipe,
The inside of lower compressed pipe is provided with a guide rod, and the feather valve is compressiblly arranged at the inside of sleeve, and lower compressed pipe is closely arranged
In the outside of the conduit of sleeve, guide rod is located in the conduit of sleeve, and a passage is formed between guide rod and conduit, the passage with it is upper
Do not connected inside compressed pipe, the outside wall surface bottom end of guide rod is closely against the block edge of conduit, make the bottom mouth of pipe closing of conduit；The company
Joint chair is a ducted body, and it is arranged at the top of sleeve, feather valve contact is located between connecting seat and moving member, and feather valve
Upper compressed pipe inside be provided with an inserted link, the perforation of the cylinder of feather valve is not connected with inside connecting seat.
It is described prevent medicine liquid leakage exempt from pin infusion connector, wherein：One is formed between the outer tube and conduit of the sleeve
Run through on annular slab, the annular slab and be provided with multiple spacing holes；The moving member has a ring body, and the downward projection in bottom surface of the ring body has
Multiple limiting plates, limiting plate correspondence, which runs through, to be inserted in the spacing hole of the annular slab of sleeve.
It is described prevent medicine liquid leakage exempt from pin infusion connector, wherein the connecting seat top is formed with a connecting tube, bottom
A ring block is formed with, the ring block is plugged inside the top of the outer tube of sleeve.
It is described prevent medicine liquid leakage exempt from pin infusion connector, wherein：Run through on the cylinder of the feather valve provided with a perforation,
The top of the guide rod is connected with the internal face bottom end of the perforation, and multiple grooves are arranged with the internal face of perforation, the grade groove
Bottom be in open shape and be communicated in inside lower compressed pipe, the passage formed between guide rod and conduit is connected with groove；The connection
The downward projection in inside of the ring block of seat, which has in the inserted link, the outside wall surface of inserted link, is arranged with multiple grooves, the top of the grade groove
In opening shape and being communicated in inside connecting tube, the outside wall surface bottom end of inserted link is closely against the inwall of the perforation of the cylinder of feather valve
Face, makes not connect with the perforation of cylinder inside compressed pipe.
It is described prevent medicine liquid leakage exempt from pin infusion connector, it includes sleeve, moving member, feather valve and connecting seat etc.
Lower compressed pipe, cylinder, upper compressed pipe and the guide rod of four components, wherein feather valve are integrally formed and are made, the connecting tube of connecting seat,
Ring block and inserted link, which are integrally formed, to be made.
It is described prevent medicine liquid leakage exempt from pin infusion connector, wherein：The downward projection in bottom surface of the cylinder of the feather valve is set
There is the guide rod, the upward projection of top surface of cylinder, which is provided with the inserted link, cylinder to run through, is provided with multiple perforation, and grade perforation, which is looped around, to be led
Around bar and inserted link, the lateral surface top end of guide rod is formed with a rim, and the rim is plugged to be formed between guide rod and conduit
Passage top inside, make passage with perforation do not connect, the top of inserted link is formed with an expansion section, the lateral surface of the expansion section
It is closely against the internal face of the ring block of connecting seat, makes not connect with inside connecting seat inside compressed pipe.
It is described prevent medicine liquid leakage exempt from pin infusion connector, it includes sleeve, moving member, feather valve and connecting seat etc.
Lower compressed pipe, cylinder, upper compressed pipe, guide rod and the inserted link of four components, wherein feather valve are integrally formed and are made.
It is described prevent medicine liquid leakage exempt from pin infusion connector, wherein：The downward projection in bottom surface of the cylinder of the feather valve is set
There is the guide rod, the upward projection of top surface of cylinder, which is provided with the inserted link, cylinder to run through, is provided with multiple perforation, and grade perforation, which is looped around, to be led
Around bar and inserted link, the lateral surface top end of guide rod is formed with a rim, and the rim is plugged to be formed between guide rod and conduit
Passage top inside, make passage with perforation do not connect, the top of inserted link is formed with an expansion section；The ring block of the connecting seat
Internal face projection have a flange, the lateral surface of the expansion section of inserted link is closely against the flange, makes inside compressed pipe and connecting seat
Inside is not connected.
It is described prevent medicine liquid leakage exempt from pin infusion connector, it includes sleeve, moving member, feather valve, inserted link and company
Five components such as joint chair, the wherein lower compressed pipe of feather valve, cylinder, upper compressed pipe and guide rod are integrally formed and are made.
Described prevents the top difference for exempting from pin infusion connector, the wherein upper and lower compressed pipe of the feather valve of medicine liquid leakage
Be formed with a top plate, the top plate, which runs through, is provided with a through hole, the downward projection in bottom surface of cylinder is formed with the guide rod, the top surface of cylinder to
Upper projection, which is formed with the inserted link, cylinder to run through, is provided with multiple perforation, and grade perforation is looped around around guide rod and inserted link, sleeve
The top of conduit compresses the top plate of lower compressed pipe, the top plate of lower compressed pipe is resisted against cylinder and is closed perforation, and then make guide rod
The passage formed between conduit is not connected with perforation, and the top of inserted link is formed with an expansion section, and the lateral surface of the expansion section is tight
The wall surface of the hole of the through hole of the top plate of compressed pipe is butted on, makes not connect with inside connecting seat inside compressed pipe.
It is described prevent medicine liquid leakage exempt from pin infusion connector, its include sleeve, moving member, upper compressed pipe, cylinder, under
Six components such as compressed pipe and connecting seat, wherein guide rod and inserted link is shaped on cylinder.
It is provided by the present invention prevent medicine liquid leakage exempt from pin infusion connector, the advantage and effect that can be obtained are promoted at least
Including：When doser, which is detached in, exempts from pin infusion connector, the negative-pressure sucking for exempting to produce inside pin infusion connector can make to residue in exempt from
Decoction outside pin infusion connector flows into inside, and the upper and lower compressed pipe of feather valve is provided with recovery elastic force and can voluntarily extended
Reset, and there are three layers of obturation effect, and then actually reach and prevent effect of medicine liquid leakage.
Brief description of the drawings
The following drawings is only intended to, in doing schematic illustration and explanation to the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the stereo appearance figure of first embodiment of the invention.
Fig. 2 is the three-dimensional exploded view of first embodiment of the invention.
Fig. 3 is the perspective cross section exploded view of first embodiment of the invention.
Fig. 4 is the diagrammatic cross-section of first embodiment of the invention.
Fig. 5 is the use state diagrammatic cross-section of first embodiment of the invention.
Fig. 6 is the operation chart of first embodiment of the invention combination syringe.
Fig. 7 is that the first embodiment of the invention for being combined with syringe is connected to the schematic diagram of doser.
Fig. 8 to Figure 10 is the use state diagrammatic cross-section that first embodiment of the invention is combined with syringe and doser.
Figure 11 is the three-dimensional exploded view of second embodiment of the invention.
Figure 12 is the perspective cross section exploded view of second embodiment of the invention.
Figure 13 is the diagrammatic cross-section of second embodiment of the invention.
Figure 14 is the use state diagrammatic cross-section of second embodiment of the invention.
Figure 15 to Figure 17 is the use state diagrammatic cross-section that second embodiment of the invention is combined with syringe and doser.
Figure 18 is the three-dimensional exploded view of third embodiment of the invention.
Figure 19 is the perspective cross section exploded view of third embodiment of the invention.
Figure 20 is the diagrammatic cross-section of third embodiment of the invention.
Figure 21 is the use state diagrammatic cross-section of third embodiment of the invention.
Figure 22 is the three-dimensional exploded view of fourth embodiment of the invention.
Figure 23 is the perspective cross section exploded view of fourth embodiment of the invention.
Figure 24 is the diagrammatic cross-section of fourth embodiment of the invention.
Figure 25 is the use state diagrammatic cross-section of fourth embodiment of the invention.
Figure 26 to Figure 29 is the stereo appearance figure of the spherical compressed pipe of the present invention.
Main element label declaration：
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now control illustrates this hair
Bright embodiment.
Refer to shown in Fig. 1 to Fig. 4, it is of the invention prevent medicine liquid leakage exempt from pin infusion connector, it includes a sleeve
10th, a moving member 20, a feather valve 30 and a connecting seat 40.
The sleeve 10 has an outer tube 11, and the bottom of the outer tube 11 is formed with internal thread 111, the inside of outer tube 11 and adjacent
A conduit 12 is formed with the internal thread 111, the internal face bottom end projection of the conduit 12 has a block edge 121, in outer tube 11 with
An annular slab 13 is formed between conduit 12, interval, which is run through, on the annular slab 13 is provided with multiple axial limiting holes 131.
The moving member 20 is a ducted body, and it, which has in a ring body 21, the top surface of the ring body 21, is arranged with one first annular groove
211, the downward projection in bottom surface interval of ring body 21 has multiple limiting plates 22, and the limiting plate 22 corresponds to the annular slab 13 of sleeve 10
Spacing hole 131, the moving member 20 is movably arranged at the inside of sleeve 10, and ring body 21 is sheathed on the conduit 12 of sleeve 10
Outside is simultaneously located at the top of annular slab 13, and limiting plate 22 is through being inserted in the spacing hole 131 of annular slab 13, so as to limits compression aspect
20 only can carry out axial displacement relative to sleeve 10.
The feather valve 30, should from the bottom to top sequentially provided with compressed pipe 33 on compressed pipe 31 once, a circular cylinder 32 and one
Lower compressed pipe 31 can restore to the original state with compressed pipe 33 on this by outer force deformation and after external force disappearance, run through being provided with the cylinder 32
An at least axial through bore 321, the lower inside of compressed pipe 31 is pushed with being interconnected inside upper compressed pipe 33 by the perforation 321
The inside of the draw 31 is provided with a guide rod 34, and the external diameter of the guide rod 34 is less than the internal diameter of the conduit 12 of sleeve 10, and the feather valve 30 can
Compressively it is arranged at the inside of sleeve 10 and positioned at the top of moving member 20, and lower compressed pipe 31 is closely sheathed on the conduit of sleeve 10
12 outside, the tube wall bottom end of lower compressed pipe 31 is placed in the first annular groove 211 of the ring body 21 of moving member 20, conduit 12
Outside wall surface top end is closely against the internal face top end of lower compressed pipe 31, make space 35 between lower compressed pipe 31 and conduit 12 with
The perforation 321 of cylinder 32 is not connected, and guide rod 34 is located in the conduit 12 of sleeve 10, has gap between guide rod 34 and conduit 12
And a passage 36 is formed with, the passage 36 inside upper compressed pipe 33 with not connected, and the outside wall surface bottom end of guide rod 34, which is closely against, to be led
The block edge 121 of pipe 12, makes the bottom mouth of pipe closing of conduit 12.
The connecting seat 40 is a ducted body, and its top is formed with a connecting tube 41, and bottom is formed with a ring block 42, the company
Adapter 41 is formed with external screw thread 411, and the connecting seat 40 sets the top for being positioned at sleeve 10, and ring block 42 is plugged positioned at sleeve
Inside the top of 10 outer tube 11, the bottom of feather valve 30 is set to be resisted against the ring body 21 of moving member 20, the top of feather valve 30 is supported
The ring block 42 of connecting seat 40 is peaked at, but the perforation 321 of the cylinder 32 of feather valve 30 inside connecting seat 40 with not connecting.
Refer to shown in Fig. 1 to Fig. 5, be first embodiment of the invention.
The internal face of the outer tube 11 of the sleeve 10 has an annular button block 112, the internal face of outer tube 11 close to upper edge projection
Interval projection has multiple axial fixture blocks 113.
The downward projection of bottom surface centre of the cylinder 32 of the feather valve 30 is formed with the guide rod 34, the top surface center of cylinder 32
Locate upward projection and be formed with an inserted link 37, cylinder 32 interval to run through provided with multiple perforation 321, grade perforation 321, which is looped around, to be led
Around bar 34 and inserted link 37, the lateral surface top end of guide rod 34 is formed with a rim 341, and the rim 341 is plugged positioned at guide rod 34
Inside the top of the passage 36 formed between conduit 12, passage 36 is set not connected with perforation 321, the inserted link 37 is located at upper compression
The inside of pipe 33, the top of inserted link 37 is formed with an expansion section 371, and the lateral surface of the expansion section 371 is closely against connecting seat 40
The internal face bottom end of ring block 42, makes the inside of compressed pipe 33 with not connected inside connecting seat 40, the upper and lower compressed pipe 33,
31 tube wall is in wavy, or, refer to shown in Figure 26, the tube wall of the upper and lower compressed pipe 330,310 is in spherical.
One second annular groove 421 is arranged with the bottom surface of the ring block 42 of the connecting seat 40, second annular groove 421 provides elasticity
Housed at the tube wall top of the upper compressed pipe 33 of valve 30, an annular catching groove 422 is arranged with the outside wall surface of ring block 42 and multiple
Axial neck 423, the catching groove 422 correspondence is fastened on the button block 112 of the outer tube 11 of sleeve 10, to prevent connecting seat 40 and sleeve 10
It is mutually disengaged, the neck 423 correspondence is sticked in the fixture block 113 of the outer tube 11 of sleeve 10, to prevent connecting seat 40 and the phase of sleeve 10
Mutually rotation.
In the first embodiment of the invention, four structures such as sleeve 10, moving member 20, feather valve 30 and connecting seat 40 are included
Lower compressed pipe 31, cylinder 32, upper compressed pipe 33, guide rod 34 and the inserted link 37 of part, wherein feather valve 30 are integrally formed and are made.
Refer to shown in Fig. 6, first embodiment of the invention exempts from pin infusion connector in use, being first by connecting seat 40
External screw thread 411 rotation is incorporated into syringe 50, refer to shown in Fig. 7, then regarding different situations by appropriate doser 60,60A,
60B rotates the internal thread 111 for being incorporated into sleeve 10, described below to be illustrated with doser 60 for a wherein embodiment, refers to Fig. 5
And shown in Fig. 8, when sleeve 10 is combined with doser 60, doser 60 can push against the limiting plate 22 of moving member 20 relative to sleeve 10
It is mobile, moving member 20 is moved up relative to sleeve 10, and then make the upper and lower compressed pipe 33 of feather valve 30,31 compressions,
Now, the block edge 121 of conduit 12 of the bottom of the guide rod 34 of feather valve 30 away from sleeve 10, the bottom mouth of pipe for making conduit 12 is in open
State, and the top of the rim 341 away from the passage 36 formed between guide rod 34 and conduit 12 on the top of guide rod 34 are put, makes passage 36
Connected with the perforation 321 of cylinder 32, the expansion section 371 of inserted link 37 departs from the internal face of the ring block 42 tight against connecting seat 40, makes
The inside of upper compressed pipe 33 is connected with the inside of connecting seat 40, and sleeve 10 with doser 60 when continuing with respect to being combined with screw thread rotation,
The inside of the insertion of conduit 12 doser 60 of sleeve 10 and the feather valve 61 for pushing against doser 60, make the bottom mouth of pipe of conduit 12 with adding
The inside of medicine device 60 is connected, whereby, and that exempts from the inside of pin infusion connector and doser 60 has been internally formed a transfusion runner, refers to
Shown in Fig. 9, the decoction 70 inside syringe 50 sequentially flows through exempt from pin infusion connector, doser 60 and be connected with doser 60 defeated
In liquid pipe 80 and then injection patient's body.
Refer to shown in Fig. 4 and Figure 10, when injection is finished and when will exempt from pin infusion connector and be separated with doser 60, feather valve
30 upper and lower compressed pipe 33,31 is provided with recovery elastic force and can voluntarily extend reset, and the upper top of compressed pipe 33 is by connecting seat 40
Support limitation, and produce following three layers of obturation effect：First, the bottom of the guide rod 34 of feather valve 30, which is replied, is closely against sleeve 10
The block edge 121 of conduit 12 simultaneously closes the bottom mouth of pipe of conduit 12；2nd, the rim 341 on the top of guide rod 34 is replied and is inserted in guide rod
Inside the top of the passage 36 formed between 34 and conduit 12；3rd, the expansion section 371 of inserted link 37, which is replied, is closely against connecting seat 40
The internal face of ring block 42.When being separated due to exempting from pin infusion connector with doser 60, the inside of feather valve 30 can produce negative pressure suction
Power, makes to residue in the decoction flow direction inside exempted from outside pin infusion connector, and feather valve 30 can produce three layers of obturation effect, Jin Eryou
Effect, which reaches, prevents effect of medicine liquid leakage.
Refer to shown in Figure 11 to Figure 14, be second embodiment of the invention.
Feather valve 30A cylinder 32A centre runs through provided with a perforation 321A, and guide rod 34A top is worn with this
Multiple axial notch 322A are arranged with hole 321A internal face bottom end connection, the internal face interval for the 321A that perforates, this etc. is recessed
Groove 322A bottom is in open shape and is communicated in inside lower compressed pipe 31A, the passage 36A formed between guide rod 34A and conduit 12A
Connected with groove 322A, the tube wall of upper and lower compressed pipe 33A, the 31A are in wavy, or, refer to shown in Figure 27, this is upper and lower
Compressed pipe 330A, 310A tube wall are in spherical.
One second annular groove 421A is arranged with connecting seat 40A ring block 42A bottom surface, second annular groove 421A is provided
Housed at feather valve 30A upper compressed pipe 33A tube wall top, the ring block 42A downward projection in inside has an inserted link 43A, should
Multiple axial groove 431A are arranged with inserted link 43A outside wall surface interval, grade groove 431A is annularly arranged, groove 431A's
Top is in open shape and is communicated in inside connecting tube 41A, and inserted link 43A is located at feather valve 30A upper compressed pipe 33A inside,
Inserted link 43A outside wall surface bottom end is closely against feather valve 30A cylinder 32A perforation 321A internal face top end, makes pressure
Do not connected with cylinder 32A perforation 321A inside draw 33A.
In second embodiment of the invention, include sleeve 10A, moving member 20A, feather valve 30A and connecting seat 40A etc. four
Lower compressed pipe 31A, cylinder 32A, upper compressed pipe 33A and the guide rod 34A of individual component, wherein feather valve 30A are integrally formed and are made, even
Joint chair 40A connecting tube 41A, ring block 42A and inserted link 43A is integrally formed and is made.
Refer to shown in Fig. 7, second embodiment of the invention exempt from pin infusion connector in use, sequentially combine syringe 50
With appropriate doser 60,60A, 60B, it is described below with doser 60 be a wherein embodiment, refer to Figure 14 and Figure 15 institutes
Show, when sleeve 10A is combined with doser 60, doser 60 can push against moving member 20A and be moved relative to sleeve 10A, make feather valve
30A upper and lower compressed pipe 33A, 31A compression, now, feather valve 30A guide rod 34A conduit 12A of the bottom away from sleeve 10A
Block edge 121A, make the conduit 12A bottom mouth of pipe in open state and connect with the inside of doser 60, and connecting seat 40A's is slotting
Bar 43A outside wall surface bottom end departs from the perforation 321A of the cylinder 32A tight against feather valve 30A internal face, makes compressed pipe 33A
Inside connect by inserted link 43A groove 431A with cylinder 32A perforation 321A, whereby, exempt from pin infusion connector inside and
The transfusion runner for being internally formed an offer liquid medicine flow of doser 60, is referred to shown in Figure 16, the medicine inside syringe 50
Liquid 70, which is sequentially flowed through, exempts from pin infusion connector, doser 60 and the woven hose 80 being connected with doser 60 and then injects in patient's body.
Refer to shown in Figure 13 and Figure 17, when injection finishes and will exempt from pin infusion connector and be separated with doser 60, elasticity
Valve 30A upper and lower compressed pipe 33A, 31A is provided with recovery elastic force, and limit is supported in upper compressed pipe 33A tops by connecting seat 40A
System, and produce following three layers of obturation effect：First, sealing sleeve 10A conduit 12A is replied in feather valve 30A guide rod 34A bottom
The bottom mouth of pipe；2nd, feather valve 30A lower compressed pipe 31A internal face replys the outside wall surface for being closely against conduit 12A；3rd, connect
Reply the perforation 321A for the cylinder 32A for being closely against feather valve 30A internal face in seat 40A inserted link 43A bottom.And pin is exempted from cooperation
The negative-pressure sucking produced inside infusion connector, and then effective reach prevents effect of medicine liquid leakage.
Refer to shown in Figure 18 to Figure 21, be third embodiment of the invention.
The feather valve 30B cylinder 32B downward projection of bottom surface centre is formed with the guide rod 34B, cylinder 32B and is spaced
It is looped around through provided with multiple perforation 321B, grade perforation 321B around guide rod 34B, guide rod 34B lateral surface top end is formed
There are a rim 341B, rim 341B to plug inside the passage 36B formed between guide rod 34B and conduit 12B top, make
Passage 36B is not connected with perforation 321B, and the cylinder 32B upward projection of top surface centre is provided with an inserted link 37B, inserted link 37B
Positioned at upper compressed pipe 33B inside, inserted link 37B top is formed with an expansion section 371B, upper and lower compressed pipe 33B, the 31B's
Tube wall is in wavy, or, refer to shown in Figure 28, the tube wall of upper and lower compressed pipe 330B, the 310B are in spherical.
One second annular groove 421B is arranged with connecting seat 40B ring block 42B bottom surface, second annular groove 421B is provided
Housed at feather valve 30B upper compressed pipe 33B tube wall top, ring block 42B internal face bottom end projection has a flange
424B, inserted link 37B expansion section 371B lateral surface are closely against flange 424B, make inside compressed pipe 33B and connecting seat 40B
Inside is not connected.
In third embodiment of the invention, include sleeve 10B, moving member 20B, feather valve 30B, inserted link 37B and connection
Seat five components such as 40B, wherein feather valve 30B lower compressed pipe 31B, cylinder 32B, upper compressed pipe 33B and guide rod 34B one into
Type is made.
Refer to shown in Fig. 7, third embodiment of the invention exempt from pin infusion connector in use, be sequentially combine syringe
50 and appropriate doser 60,60A, 60B, it is described below with doser 60 for a wherein embodiment, please refer to Figure 21 institutes
Show, when sleeve 10B is combined with doser 60, doser 60 can push against moving member 20B and be moved relative to sleeve 10B, make feather valve
30B upper and lower compressed pipe 33B, 31B compression, now, feather valve 30B guide rod 34B conduit 12B of the bottom away from sleeve 10B
Block edge 121B, make the conduit 12B bottom mouth of pipe in open state and connected with the inside of doser 60, and guide rod 34B tops
Tops of the rim 341B away from the passage 36B formed between guide rod 34B and conduit 12B, makes passage 36B and cylinder 32B perforation
321B is connected, and inserted link 37B expansion section 371B departs from the flange 424B of the ring block 42B tight against connecting seat 40B, makes compression
Inside pipe 33B with being connected inside connecting seat 40B, whereby, the inside and doser 60 for exempting from pin infusion connector have been internally formed one
The transfusion runner of liquid medicine flow is provided.
Refer to shown in Figure 20, when injection is finished and when will exempt from pin infusion connector and be separated with doser 60, feather valve 30B's
Upper and lower compressed pipe 33B, 31B are provided with recovery elastic force, and limitation is supported in upper compressed pipe 33B tops by connecting seat 40B, and produces
Raw following three layers of obturation effect：First, sealing sleeve 10B conduit 12B bottom is replied in feather valve 30B guide rod 34B bottom
The mouth of pipe；2nd, the rim 341B on guide rod 34B tops replys the top for being inserted in the passage 36B formed between guide rod 34B and conduit 12B
End is internal；3rd, inserted link 37B expansion section 371B replys the flange 424B for the ring block 42B for being closely against connecting seat 40B.And coordinate
Exempt from the negative-pressure sucking produced inside pin infusion connector, and then effective reach prevents effect of medicine liquid leakage.
Refer to shown in Figure 22 to Figure 23, be fourth embodiment of the invention.
Feather valve 30C lower compressed pipe 31C is located between moving member 20C and cylinder 32C, and upper compressed pipe 33C is located at post
Between body 32C and connecting seat 40C, lower compressed pipe 31C top is formed with a top plate 311C, and top plate 311C centre runs through
Top provided with through hole a 312C, upper compressed pipe 33C is formed with a top plate 331C, and top plate 331C centre, which runs through, is provided with one
The top surface centre that through hole 332C, cylinder the 32C downward projection of bottom surface centre are formed with the guide rod 34C, cylinder 32C is dashed forward upwards
Stretch to be formed with an inserted link 37C, cylinder 32C to be spaced to run through and be provided with multiple perforation 321C, grade perforation 321C is looped around guide rod 34C
Around inserted link 37C, sleeve 10C conduit 12C top compresses lower compressed pipe 31C top plate 311C bottom surface, makes top plate
311C is resisted against cylinder 32C and closes perforation 321C bottom, and then makes the passage 36C that is formed between guide rod 34C and conduit 12C
Do not connected with perforation 321C, inserted link 37C is located at upper compressed pipe 33C inside, and inserted link 37C top is formed with an expansion section
371C, expansion section 371C lateral surface is closely against compressed pipe 33C top plate 331C through hole 332C wall surface of the hole, makes pressure
With not connected inside connecting seat 40C inside draw 33C, the tube wall of upper and lower compressed pipe 33C, the 31C are in wavy, or, it please join
Read shown in Figure 29, the tube wall of upper and lower compressed pipe 330C, the 310C are in spherical.
In fourth embodiment of the invention, include sleeve 10C, moving member 20C, upper compressed pipe 31C, cylinder 32C, push
Six components such as draw 33C and connecting seat 40C, wherein guide rod 34C and inserted link 37C are shaped on cylinder 32C.
Refer to shown in Fig. 7, fourth embodiment of the invention exempt from pin infusion connector in use, be sequentially combine syringe
50 with appropriate doser 60,60A, 60B, it is described below with doser 60 be a wherein embodiment, please refer to Figure 25 institutes
Show, when sleeve 10C is combined with doser 60, doser 60 can push against moving member 20C and be moved relative to sleeve 10C, make feather valve
30C upper and lower compressed pipe 33C, 31C compression, now, feather valve 30C guide rod 34C conduit 12C of the bottom away from sleeve 10C
Block edge 121C, make the conduit 12C bottom mouth of pipe in open state and connected with the inside of doser 60, and the conduit 12 of sleeve 10
Top depart from and compress lower compressed pipe 31C top plate 311C, make under the passage 36C formed between guide rod 34C and conduit 12C passes through
Compressed pipe 31C top plate 311C through hole 312C and connected with cylinder 32C perforation 321C, and inserted link 37C expansion section 371C
Disengaging makes inside compressed pipe 33C and connecting seat 40C tight against upper compressed pipe 33C top plate 331C through hole 332C wall surface of the hole
Inside connection, whereby, exempts from the inside of pin infusion connector and the transfusion stream for being internally formed an offer liquid medicine flow of doser 60
Road.
Refer to shown in Figure 24, when injection is finished and when will exempt from pin infusion connector and be separated with doser 60, feather valve 30C's
Upper and lower compressed pipe 33C, 31C are provided with recovery elastic force, and limitation is supported in upper compressed pipe 33C tops by connecting seat 40C, and produces
Raw following three layers of obturation effect：First, sealing sleeve 10C conduit 12C bottom is replied in feather valve 30C guide rod 34C bottom
The mouth of pipe；2nd, the top plate 311C for compressing lower compressed pipe 31C is replied on conduit 12C top；3rd, inserted link 37C expansion section 371C is replied
It is closely against compressed pipe 33C top plate 331C through hole 332C wall surface of the hole.And the negative of pin infusion connector inside generation is exempted from cooperation
Suction is pressed, and then effective reach prevents effect of medicine liquid leakage.
Schematical embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to.It is any
Those skilled in the art, the equivalent variations made on the premise of the design of the present invention and principle is not departed from and modification, all should
Belong to the scope of protection of the invention.
Claims (11)
1. it is a kind of prevent medicine liquid leakage exempt from pin infusion connector, it is characterised in that what this prevented medicine liquid leakage exempts from pin infusion connector
Include a sleeve, a moving member, a feather valve and a connecting seat, wherein：
The sleeve has an outer tube, and the outer tube has been internally formed a conduit, and the internal face bottom end projection of the conduit has a gear
Edge；
The moving member is a ducted body, and it can movably be arranged at the inside of the sleeve and be sheathed on the outside of the conduit；
The feather valve runs through on the cylinder and perforated provided with least one sequentially provided with compressed pipe on once compressed pipe, a cylinder and one,
With being interconnected inside compressed pipe on this by the perforation inside the lower compressed pipe, the inside of the lower compressed pipe is led provided with one
Bar, the feather valve can compressively be arranged at the inside of the sleeve, and the lower compressed pipe is closely sheathed on the outer of the conduit of the sleeve
Side, the guide rod is located in the conduit of the sleeve, and a passage is formed between the guide rod and the conduit, the passage and compressed pipe on this
Inside is not connected, and the outside wall surface bottom end of the guide rod is closely against the block edge of the conduit, makes the bottom mouth of pipe closing of the conduit；
The connecting seat is a ducted body, and it is arranged at the top of the sleeve, the feather valve contact is located at the connecting seat and the shifting
Between moving part, and the inside of the upper compressed pipe of the feather valve is provided with an inserted link, the perforation of the cylinder of the feather valve is connected with this
Seat is internal not to be connected.
2. prevent medicine liquid leakage as claimed in claim 1 exempts from pin infusion connector, it is characterised in that：
An annular slab is formed between the outer tube of the sleeve and the conduit, runs through being provided with multiple spacing holes on the annular slab；
The moving member has a ring body, and the downward projection in bottom surface of the ring body has multiple limiting plates, and limiting plate correspondence, which runs through, to be plugged
In the spacing hole of the annular slab of the sleeve.
3. prevent medicine liquid leakage as claimed in claim 2 exempts from pin infusion connector, it is characterised in that the connecting seat top is formed
There is a connecting tube, bottom is formed with a ring block, and the ring block is plugged inside the top of the outer tube of the sleeve.
4. prevent medicine liquid leakage as claimed in claim 3 exempts from pin infusion connector, it is characterised in that：
Run through on the cylinder of the feather valve provided with being perforated described in one, the top of the guide rod connects with the internal face bottom end of the perforation
Connect, multiple grooves are arranged with the internal face of the perforation, the bottom of the plurality of groove is in open shape and is communicated in down the compressed pipe
Inside, passage formed between the guide rod and the conduit is connected with the groove；
The downward projection in inside of the ring block of the connecting seat, which has in the inserted link, the outside wall surface of the inserted link, is arranged with multiple grooves, should
The top of multiple grooves is in open shape and is communicated in inside the connecting tube, and the outside wall surface bottom end of the inserted link is closely against the feather valve
Cylinder perforation internal face, make on this not connect with the perforation of the cylinder inside compressed pipe.
5. prevent medicine liquid leakage as claimed in claim 4 exempts from pin infusion connector, it is characterised in that includes the sleeve, be somebody's turn to do
Four components such as moving member, the feather valve and the connecting seat, wherein the lower compressed pipe of the feather valve, cylinder, upper compressed pipe and lead
Bar, which is integrally formed, to be made, and connecting tube, ring block and the inserted link of the connecting seat, which are integrally formed, to be made.
6. prevent medicine liquid leakage as claimed in claim 3 exempts from pin infusion connector, it is characterised in that the cylinder of the feather valve
The downward projection in bottom surface is provided with the guide rod, and the upward projection of top surface of the cylinder, which is provided with to run through on the inserted link, the cylinder, is provided with multiple institutes
Perforation is stated, the plurality of perforation is looped around around the guide rod and the inserted link, and the lateral surface top end of the guide rod is formed with a ring
Edge, the rim is plugged inside the top of the passage formed between the guide rod and conduit, the passage is not connected with the perforation
Logical, the top of the inserted link is formed with an expansion section, and the lateral surface of the expansion section is closely against the internal face of the ring block of the connecting seat,
Make on this inside compressed pipe with not connected inside the connecting seat.
7. prevent medicine liquid leakage as claimed in claim 6 exempts from pin infusion connector, it is characterised in that includes the sleeve, be somebody's turn to do
Four components such as moving member, the feather valve and the connecting seat, the wherein lower compressed pipe of the feather valve, cylinder, upper compressed pipe, guide rod
And inserted link is integrally formed and is made.
8. prevent medicine liquid leakage as claimed in claim 3 exempts from pin infusion connector, it is characterised in that：
The downward projection in bottom surface of the cylinder of the feather valve is provided with the guide rod, and the upward projection of top surface of cylinder is provided with the inserted link, the post
Run through on body and be provided with multiple perforation, the plurality of perforation is looped around around the guide rod and the inserted link, the outside of the guide rod
Face top end is formed with a rim, and the rim is plugged inside the top of the passage formed between the guide rod and conduit, is made
The passage is not connected with the perforation, and the top of the inserted link is formed with an expansion section；
The internal face projection of the ring block of the connecting seat has a flange, and the lateral surface of the expansion section of the inserted link is closely against the flange,
Make on this inside compressed pipe with not connected inside the connecting seat.
9. prevent medicine liquid leakage as claimed in claim 8 exempts from pin infusion connector, it is characterised in that includes the sleeve, be somebody's turn to do
Five components such as moving member, the feather valve, the inserted link and the connecting seat, the wherein lower compressed pipe of the feather valve, cylinder, upper compression
Pipe and guide rod are integrally formed and are made.
10. it is as claimed in claim 3 prevent medicine liquid leakage exempt from pin infusion connector, it is characterised in that the feather valve it is upper and lower
The top of compressed pipe is respectively formed with a top plate, and the top plate, which runs through, is provided with a through hole, and the downward projection in bottom surface of the cylinder is formed with
The guide rod, the upward projection of top surface of the cylinder is formed with the inserted link, runs through being provided with multiple perforation, the plurality of institute on the cylinder
State perforation to be looped around around the guide rod and inserted link, the top of the conduit of the sleeve compresses the top plate of the lower compressed pipe, pushes this
The top plate of the draw is resisted against the cylinder and closes the perforation, and then makes the passage and the institute that are formed between the guide rod and the conduit
State perforation not connect, the top of the inserted link is formed with an expansion section, and the lateral surface of the expansion section is closely against the top of compressed pipe on this
The wall surface of the hole of the through hole of plate, makes on this inside compressed pipe with not connected inside the connecting seat.
11. it is as claimed in claim 10 prevent medicine liquid leakage exempt from pin infusion connector, it is characterised in that include the sleeve,
The moving member, six components, the wherein guide rod and inserted link one such as compressed pipe, the cylinder, the lower compressed pipe and the connecting seat on this
It is body formed on the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310127676.2A CN104096283B (en) | 2013-04-12 | 2013-04-12 | Prevent medicine liquid leakage exempts from pin infusion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310127676.2A CN104096283B (en) | 2013-04-12 | 2013-04-12 | Prevent medicine liquid leakage exempts from pin infusion connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104096283A CN104096283A (en) | 2014-10-15 |
| CN104096283B true CN104096283B (en) | 2017-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310127676.2A Active CN104096283B (en) | 2013-04-12 | 2013-04-12 | Prevent medicine liquid leakage exempts from pin infusion connector |
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| CN (1) | CN104096283B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106267545B (en) * | 2015-05-20 | 2019-05-17 | 蔡溪进 | Anti-stiff closes type joint |
| CN105879214A (en) * | 2016-05-27 | 2016-08-24 | 淄博嘉尚国际贸易有限公司 | Screwed needleless medicine adding joint |
| TWI645871B (en) | 2018-03-19 | 2019-01-01 | 蔡溪進 | Infusion closed connector for preventing leakage of medical fluid or body fluid |
| CN110384858B (en) * | 2018-04-18 | 2021-05-18 | 蔡溪进 | Transfusion closed joint for preventing leakage of liquid medicine or body fluid |
| CN113749943A (en) * | 2020-06-04 | 2021-12-07 | 明基三丰医疗器材（上海）有限公司 | Needleless connection device |
| TWI748600B (en) * | 2020-08-14 | 2021-12-01 | 蔡溪進 | Closed connector with compression butt joint disassembly and absorption of residual liquid medicine |
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