CN207694024U - Disposable medical fluid injector - Google Patents
Disposable medical fluid injector Download PDFInfo
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- CN207694024U CN207694024U CN201720637684.5U CN201720637684U CN207694024U CN 207694024 U CN207694024 U CN 207694024U CN 201720637684 U CN201720637684 U CN 201720637684U CN 207694024 U CN207694024 U CN 207694024U
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- injection
- medical fluid
- fluid injector
- sealing
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Abstract
The utility model provides a kind of disposable medical fluid injector, including：Needle section, with syringe needle pedestal and the puncture needle being connected on the syringe needle pedestal；Injection-tube, front end are connected with the syringe needle pedestal, and the injection-tube has the seal chamber for holding liquid；Propeller, the propulsion assembly being connected with occupying device and with the occupying device, the occupying device have can front end compatible with the front inner wall of injection-tube male part, the occupying device is sealingly disposed in the seal chamber；The occupying device can move under the action of the propulsion assembly from the rear end of the seal chamber to the front end of the seal chamber, until the front end male part is resisted against the front inner wall of the injection-tube；Sealing cover is sealedly connected on the rear end of the injection-tube.The disposable medical fluid injector of the utility model can ensure that the liquid in it is all injected use, simple in structure, easy to operate.
Description
Technical field
The utility model is about a kind of syringe, more particularly to the disposable medicine applied in a kind of medical instruments field
Liquid syringe.
Background technology
In the past, it is often used ampoule bottle in medical field and contains liquid, capacity is generally 1ml~25ml.Ampoule bottle is because of it
Good airproof performance is usually used in the packaging of injection liquid and oral solution, but ampoule bottle has unlatching due to itself material and is stranded
Difficulty, and be easy clast after opening and fallen into the problems in bottle；In addition, with ordinary syringe extract ampoule bottle in liquid it
Before, there is also the contaminated possibility of liquid.
Disposable encapsulated injector used at present integrates storage and function of injection, effectively prevents clast pollution medicine
Liquid and liquid exposure and the existing contaminated problem of liquid.The disposable encapsulated injector mainly by sequentially connected syringe needle,
Protecting pipe and the propulsion tube composition for containing liquid, which is in corrugated tube shape, can be compressed axially, when being injected
When, syringe needle can puncture protecting pipe, the direction of backward syringe needle compress propulsion tube, the liquid in propulsion tube is squeezed out to reach
The purpose of syringe needle.
There is also following shortcomings for the disposable encapsulated injector：
1) because also having one section of protecting pipe to exist between the inner cavity of propulsion tube and syringe needle, after propulsion tube is fully compressed, in
Liquid cannot completely from syringe needle project, there are problems that liquid waste；
2) it when injecting, is made of plastic material due to propulsion tube, there is certain pliability, to syringe needle side
During compressing propulsion tube, there is double swerve in propulsion tube, and needle position is unstable when causing to inject, and give patient
Bring pain.
Therefore, it is necessary to a kind of new syringe be provided, to overcome the above problem.
Utility model content
The purpose of this utility model is to provide a kind of disposable medical fluid injector, can ensure that the liquid in it is all noted
Use is penetrated, it is simple in structure, it is easy to operate.
Following technical proposal can be used to realize in the above-mentioned purpose of the utility model：
The utility model provides a kind of disposable medical fluid injector, including：
Needle section, with syringe needle pedestal and the puncture needle being connected on the syringe needle pedestal；
Injection-tube, front end are connected with the syringe needle pedestal, and the injection-tube has the seal chamber for holding liquid；
Propeller, the propulsion assembly being connected with occupying device and with the occupying device, the occupying device has can be with institute
The compatible front end male part of front inner wall of injection-tube is stated, the occupying device is sealingly disposed in the seal chamber；It is described to account for
Position device can move under the action of the propulsion assembly from the rear end of the seal chamber to the front end of the seal chamber, until described
Front end male part is resisted against the front inner wall of the injection-tube；
Sealing cover is sealedly connected on the rear end of the injection-tube.
In the embodiment of the utility model, the occupying device also have back-end sealing portion, the back-end sealing portion with
The front end male part is connected, and the propulsion assembly is connected to the back-end sealing portion.
In the embodiment of the utility model, the outer wall in the back-end sealing portion is equipped with sealing and scrapes cutting members, described close
Envelope scrapes outer diameter of the outer diameter more than the back-end sealing portion of cutting members.
In the embodiment of the utility model, it is more on the outside of the back-end sealing portion by being set in that cutting members is scraped in the sealing
Road sealing ring composition.
In the embodiment of the utility model, it is close on the outside of the back-end sealing portion by being set in that cutting members is scraped in the sealing
The multiple ring convex ribs composition of seal ring and projection on the sealing ring.
In the embodiment of the utility model, the propulsion assembly includes propulsion tube and pushing away in the propulsion tube
Bar, the push rod can be connected in the propulsion tube, and the front end of the propulsion tube is connected with the occupying device.
In the embodiment of the utility model, the side wall of the propulsion tube, which is equipped with, is clamped recess portion, before the push rod
End is equipped with clamping protrusion, and in the state that the clamping protrusion is matched with the clamping recess portion, the push rod is connected in described
Propulsion tube.
In the embodiment of the utility model, the state of the rear end of the injection-tube is connected in the seal cap sealing
Under, one end of the push rod is located in the propulsion tube, and the other end is located in the sealing cover.
In the embodiment of the utility model, the propulsion assembly is located in the sealing cover；Alternatively, the propulsion group
One end of part is located in the injection-tube, and the other end is located in the sealing cover.
In the embodiment of the utility model, the shape of the front end male part of the occupying device is cone cylinder body shape, hemisphere
Shape or cone shape.
In the embodiment of the utility model, the rear end of the syringe needle pedestal is equipped with connector sleeve, is set in the connector sleeve
There are internal thread segment, the front end of the injection-tube to be equipped with connector, the outer wall of the connector is equipped with external thread section, the internal thread
Section and the external thread section bolt.
In the embodiment of the utility model, the length of the external thread section is more than the length of the internal thread segment.
In the embodiment of the utility model, the connector sleeve has roof, and the front end of the internal thread segment is apart from institute
Stating roof has one to puncture distance, and the rear end of the puncture needle is located in the connector sleeve, and diaphragm seal is equipped in the connector,
The connector sleeve is connected in the state of the connector, and the puncture needle is located at the outside of the diaphragm seal.
In the embodiment of the utility model, in the state that the front end face of the roof and the connector abuts against
Under, diaphragm seal described in the needle pierces.
In the embodiment of the utility model, the seal chamber is by the diaphragm seal, the occupying device and the injection
The tube wall of pipe, which encloses, to be set to be formed.
In the embodiment of the utility model, the sealing cover includes sealing flange and is removably attachable to described close
The seal sleeve of flange is sealed, the sealing flange is welded to connect in the rear end of the injection-tube.
It is equipped in the embodiment of the utility model, between the seal sleeve and the sealing flange and easily tears portion.
The characteristics of disposable medical fluid injector of the utility model and advantage are：The disposable medical fluid injector collection stores medicine
Liquid and injection are integrally designed, and can realize the free of contamination purpose of liquid before use, and convenient for storage and use of taking.In addition,
The disposable medical fluid injector is by the front end male part of the occupying device of propeller, it can be achieved that the front inner wall with injection-tube is mutually fitted
With contact, to ensure that occupying device can completely push out the liquid in injection-tube, avoid sending out the case where wasting liquid
It is raw.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the three-dimensional structure diagram of the disposable medical fluid injector of the utility model.
Fig. 2 is the three-dimensional cutaway view of the use state one of the disposable medical fluid injector of the utility model.
Fig. 3 is the three-dimensional cutaway view of the use state two of the disposable medical fluid injector of the utility model.
Fig. 4 is the three-dimensional structure diagram of the needle section of the utility model.
Fig. 5 is the front view of the needle section of the utility model.
Fig. 6 is the front sectional view of the needle section of the utility model.
Fig. 7 is the three-dimensional structure diagram of the injection-tube of the utility model.
Fig. 8 is the front view of the injection-tube of the utility model.
Fig. 9 is the three-dimensional structure diagram of the occupying device of the utility model.
Figure 10 is the front sectional view of the occupying device of the utility model.
Figure 11 is the side view of the occupying device of the utility model.
Figure 12 is the three-dimensional structure diagram of the embodiment one of the propulsion tube of the utility model.
Figure 13 is the sectional view of the embodiment one of the propulsion tube of the utility model.
Figure 14 is the three-dimensional structure diagram of the embodiment two of the propulsion tube of the utility model.
Figure 15 is the sectional view of the embodiment two of the propulsion tube of the utility model.
Figure 16 is the three-dimensional structure diagram of the embodiment one of the push rod of the utility model.
Figure 17 is the sectional view of the embodiment one of the push rod of the utility model.
Figure 18 is the three-dimensional structure diagram of the embodiment two of the push rod of the utility model.
Figure 19 is the sectional view of the embodiment two of the push rod of the utility model.
Figure 20 is the main view section view of the use state two of another embodiment of the disposable medical fluid injector of the utility model
Scheme, sealing cover is eliminated in the figure.
Figure 21 is the three-dimensional structure diagram of the sealing cover of the utility model.
Figure 22 is the side view of the sealing cover of the utility model.
Figure 23 is the front sectional view of the sealing cover of the utility model.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1 to Figure 3, the utility model provides a kind of disposable medical fluid injector, including needle section 1, injection-tube
2, propeller 3 and sealing cover 4, wherein：The puncture needle that needle section 1 has syringe needle pedestal 11 and is connected on the syringe needle pedestal 11
12；The front end 21 of injection-tube 2 is connected with the syringe needle pedestal 11, and the injection-tube 2 has the seal chamber 22 for holding liquid；It promotes
The propulsion assembly 32 that device 3 has occupying device 31 and is connected with the occupying device 31, the occupying device 31 has can be with the injection
The 24 compatible front end male part 311 of front inner wall of pipe 2, the occupying device 31 are sealingly disposed in the seal chamber 22；Institute
Stating occupying device 31 can be from the rear end of the seal chamber 22 to the front end of the seal chamber 22 under the action of the propulsion assembly 32
It is mobile, until the front end male part 311 is resisted against the front inner wall 24 of the injection-tube 2；Sealing cover 4 is sealedly connected on described
The rear end 23 of injection-tube 2.
The disposable medical fluid injector collection storage liquid of the utility model and injection are integrally designed, before capable of realizing use
The free of contamination purpose of liquid, and convenient for storage and use of taking.In addition, disposable medical fluid injector the accounting for by propeller 3
The front end male part 311 of position device 31 contacts, it can be achieved that being adapted with the front inner wall 24 of injection-tube 2, to ensure that occupying device
31 can completely push out the liquid in injection-tube 2, avoid occurring the case where wasting liquid.
Specifically, as shown in Figures 4 to 6, needle section 1 is by syringe needle pedestal 11 and the puncture needle being threaded through on syringe needle pedestal 11
12 compositions, puncture needle 12 have injection front end 121 and puncture rear end 122, injection front end 121 and puncture rear end 122 and all have point
Sharp head, convenient for being pierced into.In the present embodiment, the rear end of syringe needle pedestal 11 extends to form connector sleeve 111, the connector sleeve 111 it is interior
Wall is equipped with internal thread segment 112, which has roof 113, and the front end of internal thread segment 112 has one apart from the roof 113
Distance d is punctured, the rear end 122 that punctures of puncture needle 12 is located in the connector sleeve 111, and can slightly stretch out outside connector sleeve 111.
In the present invention, the syringe needle pedestal 11 and connector sleeve 111 are integrally formed, and in syringe needle pedestal 11 and connector sleeve
Multiple convex ribs 114 are along the circumferential direction equipped on 111 outer wall at equal intervals, those convex ribs 114 hold convenient for human hand and use；Further
, it can be arranged with protective case (not shown) in the injection front end 121 of puncture needle 12, in order to which effective protection is worn when being not used
Pricker 12, the case where avoiding accidentally injuring or polluting.
As shown in Fig. 7 to Fig. 8, injection-tube 2 is substantially in cylindrical or the cylindroid bodily form, and front end 21 is equipped with connector
25, the outer wall of the connector 25 is equipped with external thread section 251, and the connector sleeve 111 of needle section 1 by its internal thread segment 112 and is somebody's turn to do
251 bolt of external thread section is, it can be achieved that the purpose being connected with the front end 21 of injection-tube 2.In the present invention, the connector
25 have the channel 253 being connected with the seal chamber 22 of injection-tube 2, and diaphragm seal 252, the diaphragm seal 252 are equipped in the channel 253
For the liquid in the seal chamber 22 of sealing injection pipe 2.
In the present invention, the length of the external thread section 251 is more than the length of internal thread segment 112, before use, syringe needle
Portion 1 is only spirally connected by the formation of the external thread section 251 of its internal thread segment 112 and connector 25 completely, in this case, syringe needle
The diaphragm seal in the channel 253 of connector 25 and being located exactly in connector 25 is stretched into the rear end 122 that punctures of the puncture needle 12 in portion 1
252 top is without piercing through the diaphragm seal 252, that is, in the state that connector sleeve 111 is connected to connector 25, the puncture
Needle 12 is located at the outside of diaphragm seal 252；After continuing to screw in connector sleeve 111 to the direction of injection-tube 2, until the connector sleeve 111
Roof 113 and the front end face of connector 25 abut against, in this case, the puncture needle 12 puncture rear end 122 can pierce through it is close
Sealer 252, and the seal chamber 22 of injection-tube 2 is made to be connected to the formation of the injection canal 123 of puncture needle 12.
In the present invention, the outer diameter of the connector 25 is less than the outer diameter of injection-tube 2, in connector 25 and injection
A necking part 26, the internal perisporium of the necking part 26 namely the front inner wall 24 of injection-tube 2 are formed between pipe 2.In the present embodiment,
The shape of the front inner wall 24 and the shape of the front end male part 311 of the occupying device 31 of propeller 3 match, so as to ensure
Occupying device 31 can completely push out the liquid in injection-tube 2, avoid waste liquid.Further, after the injection-tube 2
End 23 is radially outward convexly equipped with outer peripheral edge 27, when in order to push propeller 3, facilitates human hand to hold and uses.
Propeller 3 is arranged in the rear end of injection-tube 2 23, with occupying device 31 and the propulsion assembly being connected with occupying device 31
32, wherein occupying device 31 is located in seal chamber 22, which is enclosed by the tube wall of diaphragm seal 252, occupying device 31 and injection-tube 2
If being formed.Shown in Fig. 9 to Figure 11, which has front end male part 311,311 energy of front end male part
The cooperation of front inner wall 24 with injection-tube 2 reclines, to ensure that the liquid in injection-tube 2 can be pushed out by occupying device 31 completely
It goes；In the present embodiment, the shape of the front end male part 311 of occupying device 31 can be cone cylinder body shape, hemispherical or cone shape.Into
One step, which also there is back-end sealing portion 312, the back-end sealing portion 312 to be connected with front end male part 311, at this
In embodiment, back-end sealing portion 312 is integrally formed with front end male part 311, which is connected to back-end sealing portion
312.Can be solid construction, or be alternatively by 312 integrally formed occupying device 31 of front end male part 311 and back-end sealing portion
Hollow-core construction can save material in this way.
In the present invention, the outer wall in the back-end sealing portion 312 is equipped with sealing and scrapes cutting members 313, which scrapes cutting members
313 outer diameter is more than the outer diameter in the back-end sealing portion 312, which scrapes seal chamber of the cutting members 313 for sealing injection pipe 2
22, while in the state that the rear end of 31 self sealss chamber 22 of occupying device is moved to the front end of seal chamber 22, which scrapes cutting members 313
The effect that may also function as 2 inner wall of scraping injection-tube, the liquid further ensured in injection-tube 2 are all squeezed away.
In a possible embodiments, which scrapes cutting members 313 can be by being set in the multiple-sealed of 312 outside of back-end sealing portion
Circle composition；Alternatively, as shown in Figures 9 to 11, in another possible embodiments, which scrapes cutting members 313 can be by being set in rear end
Multiple ring convex ribs 3132 composition of the sealing ring 3131 and projection in 312 outside of sealing on sealing ring 3131, such as in rear end
Annular groove 3121 can be equipped on the outer wall of sealing 312, which is embedded in the annular groove 3121.Those sealing rings or ring
Fin 3132 can not only play the role of the seal chamber 22 of sealing injection pipe 2, but also it can also make occupying device 31 in injection-tube 2
Seal chamber 22 in from the rear end of injection-tube 2 23 to its front end 21 move during, play the work of 2 inner wall of scraping injection-tube
With so that the liquid in injection-tube 2 is adequately compressed out.
The propulsion assembly 32 of propeller 3 includes propulsion tube 321 and the push rod 322 in propulsion tube 321, the push rod 322
It can be connected in propulsion tube 321, the front end of the propulsion tube 321 is connected with occupying device 31.In the present invention, propulsion tube 321
Side wall is equipped with clamping recess portion 3211, and the front end of push rod 322 is equipped with clamping protrusion 3221, in clamping protrusion 3221 and clamping recess portion
In the state that 3211 match, push rod 322 is connected in propulsion tube 321.
Specifically, in a possible embodiments, as shown in Figure 12 and Figure 13, propulsion tube 321 is substantially in cuboid, tool
There is the internal channel 3212 of cuboid, it is substantially in pushing away for cuboid which, which is used to place shown in Figure 16 and Figure 17,
Bar 322, is respectively equipped with clamping recess portion 3211 on the opposite two side of propulsion tube 321, which can be that setting exists
Through-hole on the opposite two side of propulsion tube 321 further can be equipped with clamping block 3213, the card in clamping recess portion 3211
It connects block 3213 towards 3212 projection of internal channel to be arranged, in order to the clamping protrusion with 322 front end of push rod shown in Figure 16 and Figure 17
3221 are clasped, which is rectangular flange of the projection in 322 front end of push rod；Further, in the embodiment
Push rod 322 rear end can integrally formed with holding rod 3222, convenient for human hand hold use.In addition, the front end of the propulsion tube 321
It can be equipped with outward flange 3214, which can be annular flange, be used to be connected with occupying device 31.
In another possible embodiments, as shown in Figure 14 and Figure 15, propulsion tube 321 is substantially in cylinder barrel shaped, has circle
The internal channel 3212 of tubular, the internal channel 3212 are used to place shown in Figure 18 and Figure 19 substantially in the push rod of cylinder barrel shaped
322, clamping recess portion 3211 is respectively equipped on the side wall of propulsion tube 321 diametrically, which can be that setting exists
Through-hole on the side wall of propulsion tube 321 diametrically further can be equipped with clamping block 3213 in clamping recess portion 3211, should
Clamping block 3213 is arranged towards 3212 projection of internal channel, in order to which the clamping with 322 front end of push rod shown in Figure 18 and Figure 19 is convex
Portion 3221 is clasped, which is annular flange of the projection in 322 front end of push rod；Further, the embodiment
In push rod 322 rear end can integrally formed with holding rod 3222, convenient for human hand hold use.In addition, before the propulsion tube 321
End can be equipped with outward flange 3214, which can be annular flange, be used to be connected with occupying device 31.
In the present invention, when sealing cover 4 is sealedly connected on the rear end 23 of injection-tube 2, one end position of the push rod 322
In in propulsion tube 321, the other end is located in sealing cover 4.Further, as shown in figure 20, which is located at sealing
In lid 4, that is, before use, only occupying device 31 is located in injection-tube 2, and propulsion assembly 32 is located at outside injection-tube 2 and is located at
In sealing cover 4；Alternatively, in a further embodiment, shown in Fig. 2, one end of the propulsion assembly 32 is located at injection
In pipe 2, the other end is located in sealing cover 4, that is, before use, before the propulsion tube 321 of occupying device 31 and propulsion assembly 32
End is respectively positioned in injection-tube 2, and the rear end of the propulsion tube 321 of propulsion assembly 32 and push rod 322 are respectively positioned on outside injection-tube 2 and position
In in sealing cover 4.
As shown in Figure 21 to Figure 23, the sealing cover 4 is including sealing flange 41 and is removably attachable to sealing flange 41
Seal sleeve 42, the sealing flange 41 are welded to connect in the rear end of injection-tube 2 23.
Specifically, sealing flange 41 is substantially circular in configuration, is welded to connect in the outer peripheral edge 27 of 2 rear end 23 of injection-tube
On；Seal sleeve 42 is substantially in cylinder barrel shaped, has the inner cavity 421 for holding propulsion assembly 32, in the present embodiment, the sealing
It is equipped between sleeve 42 and sealing flange 41 and easily tears portion 43, portion 43 is easily torn by this, which can removably connect
It is connected to sealing flange 41, this easily tears, and portion 43 is substantially band-like in a ring, and both sides are connected to sealing flange 41 and seal sleeve
42, this, which easily tears, can be used continuous annular thin wall and is connected between the both sides in portion 43 and sealing flange 41 and seal sleeve 42, or
Person can be equipped with multiple intermittent grooves easily tearing between the both sides in portion 43 and sealing flange 41 and seal sleeve 42, in order to easily tear
It tears between sealing flange 41 and seal sleeve 42 in portion 43；Further, this, which easily tears to be additionally provided in portion 43, tears handle 431, leads to
Cross holding and tear handle 431, and pulled to the direction far from sealing cover 4, to can realize will easily tear 43 self sealss sleeve 42 of portion with
The purpose pulled open between sealing flange 41.
The foregoing is merely several embodiments of the utility model, and those skilled in the art is according to disclosed in application documents
Content can carry out the utility model embodiment spirit and scope of the various changes or modifications without departing from the utility model.
Claims (17)
1. a kind of disposable medical fluid injector, which is characterized in that including：
Needle section, with syringe needle pedestal and the puncture needle being connected on the syringe needle pedestal；
Injection-tube, front end are connected with the syringe needle pedestal, and the injection-tube has the seal chamber for holding liquid；
Propeller, the propulsion assembly being connected with occupying device and with the occupying device, the occupying device has can be with the note
The compatible front end male part of front inner wall of pipe is penetrated, the occupying device is sealingly disposed in the seal chamber；The occupying device
It can be moved from the rear end of the seal chamber to the front end of the seal chamber under the action of propulsion assembly, until the front end
Male part is resisted against the front inner wall of the injection-tube；
Sealing cover is sealedly connected on the rear end of the injection-tube.
2. disposable medical fluid injector as described in claim 1, which is characterized in that the occupying device also has back-end sealing
Portion, the back-end sealing portion are connected with the front end male part, and the propulsion assembly is connected to the back-end sealing portion.
3. disposable medical fluid injector as claimed in claim 2, which is characterized in that the outer wall in the back-end sealing portion is equipped with
Cutting members is scraped in sealing, and described seal scrapes outer diameter of the outer diameter of cutting members more than the back-end sealing portion.
4. disposable medical fluid injector as claimed in claim 3, which is characterized in that it is described by being set in that cutting members is scraped in the sealing
Multiple-sealed circle composition on the outside of back-end sealing portion.
5. disposable medical fluid injector as claimed in claim 3, which is characterized in that it is described by being set in that cutting members is scraped in the sealing
The multiple ring convex ribs composition of sealing ring and projection on the sealing ring on the outside of back-end sealing portion.
6. disposable medical fluid injector as described in claim 1, which is characterized in that the propulsion assembly includes propulsion tube and position
Push rod in the propulsion tube, the push rod can be connected in the propulsion tube, the front end of the propulsion tube and the occupying device
It is connected.
7. disposable medical fluid injector as claimed in claim 6, which is characterized in that the side wall of the propulsion tube is equipped with clamping
The front end of recess portion, the push rod is equipped with clamping protrusion, in the state that the clamping protrusion is matched with the clamping recess portion, institute
It states push rod and is connected in the propulsion tube.
8. disposable medical fluid injector as claimed in claim 6, which is characterized in that be connected in the seal cap sealing described
In the state of the rear end of injection-tube, one end of the push rod is located in the propulsion tube, and the other end is located in the sealing cover.
9. disposable medical fluid injector as claimed in claim 6, which is characterized in that the propulsion assembly is located at the sealing cover
It is interior；Alternatively, one end of the propulsion assembly is located in the injection-tube, the other end is located in the sealing cover.
10. disposable medical fluid injector as described in claim 1, which is characterized in that the front end male part of the occupying device
Shape is cone cylinder body shape, hemispherical or cone shape.
11. disposable medical fluid injector as described in claim 1, which is characterized in that the rear end of the syringe needle pedestal, which is equipped with, to be connected
Female connector, the connector sleeve is interior to be equipped with internal thread segment, and the front end of the injection-tube is equipped with connector, and the outer wall of the connector is equipped with
External thread section, the internal thread segment and the external thread section bolt.
12. disposable medical fluid injector as claimed in claim 11, which is characterized in that the length of the external thread section is more than institute
State the length of internal thread segment.
13. disposable medical fluid injector as claimed in claim 11, which is characterized in that the connector sleeve has roof, described
The front end of internal thread segment has one to puncture distance apart from the roof, and the rear end of the puncture needle is located in the connector sleeve, described
Diaphragm seal is equipped in connector, in the state that the connector sleeve is connected to the connector, the puncture needle is located at described close
The outside of sealer.
14. disposable medical fluid injector as claimed in claim 13, which is characterized in that in the roof and the connector
In the state that front end face abuts against, diaphragm seal described in the needle pierces.
15. disposable medical fluid injector as claimed in claim 13, which is characterized in that the seal chamber by the diaphragm seal,
The tube wall of the occupying device and the injection-tube, which encloses, to be set to be formed.
16. disposable medical fluid injector as described in claim 1, which is characterized in that the sealing cover include sealing flange and
It is removably attachable to the seal sleeve of the sealing flange, the sealing flange is welded to connect in the rear end of the injection-tube.
17. disposable medical fluid injector as claimed in claim 16, which is characterized in that the seal sleeve and the sealing are convex
It is equipped between edge and easily tears portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720637684.5U CN207694024U (en) | 2017-06-02 | 2017-06-02 | Disposable medical fluid injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720637684.5U CN207694024U (en) | 2017-06-02 | 2017-06-02 | Disposable medical fluid injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207694024U true CN207694024U (en) | 2018-08-07 |
Family
ID=63020523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720637684.5U Active CN207694024U (en) | 2017-06-02 | 2017-06-02 | Disposable medical fluid injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207694024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029318A (en) * | 2017-06-02 | 2017-08-11 | 雷诺丽特恒迅包装科技（北京）有限公司 | Disposable medical fluid injector |
-
2017
- 2017-06-02 CN CN201720637684.5U patent/CN207694024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029318A (en) * | 2017-06-02 | 2017-08-11 | 雷诺丽特恒迅包装科技（北京）有限公司 | Disposable medical fluid injector |
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