CN109011006A - A kind of remaining needle needle assembly - Google Patents
A kind of remaining needle needle assembly Download PDFInfo
- Publication number
- CN109011006A CN109011006A CN201810897907.0A CN201810897907A CN109011006A CN 109011006 A CN109011006 A CN 109011006A CN 201810897907 A CN201810897907 A CN 201810897907A CN 109011006 A CN109011006 A CN 109011006A
- Authority
- CN
- China
- Prior art keywords
- needle
- steel needle
- steel
- rear portion
- pin hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
- A61M2005/1586—Holding accessories for holding infusion needles on the body
Abstract
A kind of remaining needle needle assembly, the needle assembly include conduit tube component and steel needle component, and steel needle component includes steel needle and needle handle, and conduit tube component includes catheter block, and the front end of catheter block is provided with the inlying catheter for wrapping up steel needle, is also equipped with batching pig in catheter block;The pin hole at the steel needle rear portion gradually tapers up from front to back, and the mounting hole fixed convenient for steel needle is provided on the needle handle, and colloidal sol slot is additionally provided on the needle handle on rear side of mounting hole, and the rear end penetrating mounting holes sealing of steel needle is fixed in colloidal sol slot.The steel needle modular construction is simple, safe and practical, by the contraction and sealing processing to steel needle rear portion, effectively prevents glue and enters inside steel needle, steel needle is caused to block, and ensure that clinical normal use.
Description
Technical field
The present invention relates to a kind of infusion medical instrument, especially a kind of remaining needle needle assembly.
Background technique
Remaining needle is a kind of clinical care and treats common transfusion instrument, passes through needle point and is inserted into human peripheral vascular venous
System forms infusion channel, is had the advantage, that after puncturing successfully compared with traditional transfusion needle, extracts steel needle, conduit is stayed
In vein blood vessel, conduit lienable time in vein is longer, and is not easy to puncture vascular wall.
Currently, the conduit that domestic remaining needle manufacturing enterprise uses is in process of production, since the length of conduit is not easy to control,
Application condition is big, so to adjust the length of steel needle component according to the length of conduit, the mode of adjustment is to be inserted into needle stand from steel needle
The port of one end pushes steel needle leading in-pipe, and to achieve the purpose that adjust steel needle length component, steel needle length component is determined
Afterwards, it is bonded using glue or the rear end of steel needle is fixed on needle handle using interference fit;When being bonded using glue, if steel needle
Inner hole aperture is bigger or does not close, and glue can enter inside steel needle, causes stifled needle tubing, and clinic is not available;It was using
When cooperation of being full of is fixed, if steel needle inner hole aperture is bigger or does not close, in clinical use, blood can be flowed to from steel needle inner hole
Outside needle stand, blood is caused to pollute.
Summary of the invention
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, provide, a kind of structure is simple, operation side
Just, it can effectively ensure the remaining needle needle assembly that infusion safety carries out.
The technical problem to be solved by the present invention is to what is realized by technical solution below.The present invention is a kind of indwelling
Needle needle assembly, the needle assembly include conduit tube component and steel needle component, and steel needle component includes steel needle and needle handle, conduit tube component
Including catheter block, the front end of catheter block is provided with the inlying catheter for wrapping up steel needle, is also equipped with batching pig in catheter block;Institute
The pin hole for stating steel needle rear portion gradually tapers up from front to back, and the mounting hole fixed convenient for steel needle, mounting hole are provided on the needle handle
Colloidal sol slot is additionally provided on the needle handle of rear side, the rear end penetrating mounting holes sealing of steel needle is fixed in colloidal sol slot.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The remaining needle needle assembly, the minimum-value aperture for the pin hole that the rear portion of the steel needle is shunk are 0mm-0.15mm.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The aperture of the remaining needle needle assembly, the pin hole that the rear portion of the steel needle is shunk gradually tapers up as 0mm-0.15mm, steel
The end of needle is in an end face.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The aperture of the remaining needle needle assembly, the pin hole that the rear portion of the steel needle is shunk gradually tapers up as 0mm-0.15mm, steel
The end of needle is pointed.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The aperture of the remaining needle needle assembly, the pin hole that the rear portion of the steel needle is shunk gradually tapers up as 0mm-0.15mm, steel
The end of needle is cylindrical.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The aperture of the remaining needle needle assembly, the pin hole that the rear portion of the steel needle is shunk gradually tapers up as 0mm-0.15mm, steel
The end of needle is in coniform.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The aperture of the remaining needle needle assembly, the pin hole that the rear portion of the steel needle is shunk gradually tapers up as 0mm-0.15mm, steel
The end of needle connects cylindric in circular cone.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The remaining needle needle assembly, the rear end of the steel needle, which passes through interference fit penetrating mounting holes and seals, is fixed on colloidal sol
In slot.
The technical problems to be solved by the invention can also be further realized by technical solution below, for above
The remaining needle needle assembly, the pin hole at the steel needle rear portion is realized by way of spinning, extruding or punching press gradually to be received
Contracting.
Compared with prior art, the pin hole at steel needle rear portion of the present invention gradually tapers up from front to back, and the rear end of steel needle is passed through
It wears mounting hole to be fixed in colloidal sol slot, has both been convenient for the length of the length adjustment steel needle component according to inlying catheter, has also facilitated use
Mode for dispensing glue is fixed afterwards, not only can prevent glue from entering in steel needle from the rear end of steel needle, steel needle is caused to block,
And when can effectively avoid clinical use, blood is flowed out from steel needle end, and blood is caused to pollute.The steel needle modular construction letter
It is single, safe and practical, by the contraction and sealing processing to steel needle rear portion, effectively prevents glue and enter inside steel needle, cause steel
Needle blocking, ensure that clinical normal use.
Detailed description of the invention 1
Fig. 1 is a kind of structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram of steel needle component of the present invention;
Fig. 3 is the schematic diagram that steel needle end of the present invention is in end face;
Fig. 4 is the pointed schematic diagram in steel needle end of the present invention;
Fig. 5 is the cylindrical schematic diagram in steel needle end of the present invention;
Fig. 6 is that steel needle end of the present invention is in coniform schematic diagram;
Fig. 7 is that steel needle end of the present invention is in that circular cone connects columned schematic diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, right below in conjunction with attached drawing of the present invention
Technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making wound
Every other embodiment obtained under the premise of the property made labour, shall fall within the protection scope of the present invention.
Referring to Fig.1-2, a kind of remaining needle needle assembly, the needle assembly include 1 component of conduit tube component and steel needle, steel needle
1 component includes steel needle 1 and needle handle 2, and conduit tube component includes catheter block 6, and the front end of catheter block 6 is provided with for wrapping up steel needle 1
Inlying catheter 5 is also equipped with batching pig 7 in catheter block 6;The pin hole at 1 rear portion of steel needle gradually tapers up from front to back, the needle
It is provided with the mounting hole 3 fixed convenient for steel needle 1 on handle 2, is additionally provided with colloidal sol slot 4 on the needle handle 2 of 3 rear side of mounting hole, steel needle 1
The sealing of rear end penetrating mounting holes 3 is fixed in colloidal sol slot 4;The minimum-value aperture for the pin hole that the rear portion of the steel needle 1 is shunk is 0mm-
0.15mm had not only been convenient for sealant by the back-end sealing of steel needle 1 in colloidal sol slot 4, but also has prevented sealant from entering from the rear end of steel needle 1
In steel needle 1;1 component of steel needle further includes also setting on needle handle 2 for being sleeved on the protection cap for protecting inlying catheter 5 on needle tubing seat
It is equipped with convenient for holding the hand-held part 8 taken;The blood back hole that the front of the steel needle 1 is additionally provided with convenient for observation;The pin hole at 1 rear portion of steel needle
It gradually tapers up, and passes through mounting hole 3 and be sealed in colloidal sol slot 4 by sealant, glue is not only effectively prevent to enter in steel needle 1,
And it is also possible to prevent blood and leaks from the rear end of steel needle 1;It is convenient for using rear mode for dispensing glue by the back-end sealing of steel needle 1 simultaneously
Colloidal sol slot 4 in, be easy to implement mechanical automation dispensing, improve processing efficiency.
Referring to Fig. 3, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk is gradually tapered up as 0mm-0.15mm, the end of steel needle 1
End is in an end face.Preferably, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk first gradually tapers up as 0mm, is both convenient for sealant
By the back-end sealing of steel needle 1 in colloidal sol slot 4, and prevent sealant from entering in steel needle 1 from the rear end of steel needle 1.
Referring to Fig. 4, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk is gradually tapered up as 0mm-0.15mm, the end of steel needle 1
It holds pointed.Preferably, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk first gradually tapers up as 0mm, then proceedes to shrink
A distance forms tip shape, and the length of contraction is both convenient for sealant by the back-end sealing of steel needle 1 in colloidal sol slot in 1mm-3mm
In 4, and prevent sealant from entering in steel needle 1 from the rear end of steel needle 1.
Referring to Fig. 5, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk is gradually tapered up as 0mm-0.15mm, the end of steel needle 1
It holds cylindrical.Preferably, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk first gradually tapers up as 0mm, then proceedes to shrink
A distance, the length of contraction is not only convenient for sealant by the back-end sealing of steel needle 1 in colloidal sol slot 4 in 1mm-3mm, but also prevents
Sealant enters in steel needle 1 from the rear end of steel needle 1.
Referring to Fig. 6, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk is gradually tapered up as 0mm-0.15mm, the end of steel needle 1
End is in coniform.Preferably, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk first gradually tapers up as 0mm, then gradually expands again
Exhibition, formation is coniform, has not only been convenient for sealant by the back-end sealing of steel needle 1 in colloidal sol slot 4, but also prevent sealant from steel needle 1
Rear end enters in steel needle 1.
Referring to Fig. 7, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk is gradually tapered up as 0mm-0.15mm, the end of steel needle 1
End connects cylindric in circular cone.Preferably, the aperture for the pin hole that the rear portion of the steel needle 1 is shunk first gradually tapers up as 0mm, then again
Gradually extend, revert to original state, and extend one section, formed circular cone connect it is cylindric, both convenient for sealant by the back-end sealing of steel needle 1
In colloidal sol slot 4, and prevent sealant from entering in steel needle 1 from the rear end of steel needle 1.
The rear end of the steel needle 1, which passes through interference fit penetrating mounting holes 3 and seals, to be fixed in colloidal sol slot 4, steel needle 1
Rear end is fixed on colloidal sol slot 4 in by interference fit penetrating mounting holes 3 and by sealant adhering and sealing.The aperture of mounting hole 3
It is slightly less than the outer diameter of steel needle 1, engages convenient for steel needle 1, while facilitating the length of adjustment 1 rear end of steel needle stretching mounting hole 3, in turn
Preferably cooperate with inlying catheter 5;Sealant is passed through by the back-end sealing of steel needle 1 in colloidal sol slot 4 using rear mode for dispensing glue,
Facilitate processing.
The pin hole at 1 rear portion of steel needle is realized by way of spinning, extruding or punching press to be gradually tapered up, and is easy to implement automatic
Change processing.
Claims (9)
1. a kind of remaining needle needle assembly, it is characterised in that: the needle assembly includes conduit tube component and steel needle component, steel needle group
Part includes steel needle and needle handle, and conduit tube component includes catheter block, and the front end of catheter block is provided with the inlying catheter for wrapping up steel needle,
Batching pig is also equipped in catheter block;The pin hole at the steel needle rear portion gradually tapers up from front to back, is provided with just on the needle handle
Colloidal sol slot, the rear end penetrating mounting holes sealing of steel needle are additionally provided on needle handle on rear side of the mounting hole that steel needle is fixed, mounting hole
It is fixed in colloidal sol slot.
2. remaining needle needle assembly according to claim 1, it is characterised in that: the pin hole that the rear portion of the steel needle is shunk
Minimum-value aperture be 0mm-0.15mm.
3. remaining needle needle assembly according to claim 1, it is characterised in that: the pin hole that the rear portion of the steel needle is shunk
Aperture gradually taper up as 0mm-0.15mm, the end of steel needle is in an end face.
4. remaining needle needle assembly according to claim 1, it is characterised in that: the pin hole that the rear portion of the steel needle is shunk
Aperture gradually taper up as 0mm-0.15mm, the end of steel needle is pointed.
5. remaining needle needle assembly according to claim 1, it is characterised in that: the pin hole that the rear portion of the steel needle is shunk
Aperture gradually taper up as 0mm-0.15mm, the end of steel needle is cylindrical.
6. remaining needle needle assembly according to claim 1, it is characterised in that: the pin hole that the rear portion of the steel needle is shunk
Aperture gradually taper up as 0mm-0.15mm, the end of steel needle is in coniform.
7. remaining needle needle assembly according to claim 1, it is characterised in that: the pin hole that the rear portion of the steel needle is shunk
Aperture gradually taper up as 0mm-0.15mm, the end of steel needle connects cylindric in circular cone.
8. remaining needle needle assembly described in -7 any one according to claim 1, it is characterised in that: the rear end of the steel needle
Pass through interference fit penetrating mounting holes and seal and is fixed in colloidal sol slot.
9. remaining needle needle assembly described in -7 any one according to claim 1, it is characterised in that: the steel needle rear portion
Pin hole is realized by way of spinning, extruding or punching press and is gradually tapered up.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810897907.0A CN109011006A (en) | 2018-08-08 | 2018-08-08 | A kind of remaining needle needle assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810897907.0A CN109011006A (en) | 2018-08-08 | 2018-08-08 | A kind of remaining needle needle assembly |
Publications (1)
Publication Number | Publication Date |
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CN109011006A true CN109011006A (en) | 2018-12-18 |
Family
ID=64632239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810897907.0A Withdrawn CN109011006A (en) | 2018-08-08 | 2018-08-08 | A kind of remaining needle needle assembly |
Country Status (1)
Country | Link |
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CN (1) | CN109011006A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110559510A (en) * | 2019-09-04 | 2019-12-13 | 江西洪达医疗器械集团有限公司 | Remaining needle and assembling process thereof |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101321549A (en) * | 2005-11-01 | 2008-12-10 | 泰尔茂株式会社 | Needle-stent device |
CN203600164U (en) * | 2013-12-16 | 2014-05-21 | 江西丰临医疗科技股份有限公司 | Pen-holder straight type remaining needle tool |
CN105363098A (en) * | 2015-12-18 | 2016-03-02 | 杭州富善医疗器械有限公司 | Anti-acupuncture venous indwelling needle |
CN105771032A (en) * | 2016-03-31 | 2016-07-20 | 威海洁瑞医用制品有限公司 | Indwelling needle handle and puncture needle tube assembly structure and assembly method |
CN206434660U (en) * | 2016-10-21 | 2017-08-25 | 苏州灵岩医疗科技股份有限公司 | A kind of disposable anti-pricking wound type venous detaining needle |
CN206577202U (en) * | 2016-12-08 | 2017-10-24 | 北京万生人和科技有限公司 | A kind of venous detaining needle |
-
2018
- 2018-08-08 CN CN201810897907.0A patent/CN109011006A/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101321549A (en) * | 2005-11-01 | 2008-12-10 | 泰尔茂株式会社 | Needle-stent device |
CN203600164U (en) * | 2013-12-16 | 2014-05-21 | 江西丰临医疗科技股份有限公司 | Pen-holder straight type remaining needle tool |
CN105363098A (en) * | 2015-12-18 | 2016-03-02 | 杭州富善医疗器械有限公司 | Anti-acupuncture venous indwelling needle |
CN105771032A (en) * | 2016-03-31 | 2016-07-20 | 威海洁瑞医用制品有限公司 | Indwelling needle handle and puncture needle tube assembly structure and assembly method |
CN206434660U (en) * | 2016-10-21 | 2017-08-25 | 苏州灵岩医疗科技股份有限公司 | A kind of disposable anti-pricking wound type venous detaining needle |
CN206577202U (en) * | 2016-12-08 | 2017-10-24 | 北京万生人和科技有限公司 | A kind of venous detaining needle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110559510A (en) * | 2019-09-04 | 2019-12-13 | 江西洪达医疗器械集团有限公司 | Remaining needle and assembling process thereof |
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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
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WW01 | Invention patent application withdrawn after publication |