CN113577461A - Self-aligning needle seat and use method thereof - Google Patents

Self-aligning needle seat and use method thereof Download PDF

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Publication number
CN113577461A
CN113577461A CN202110914355.1A CN202110914355A CN113577461A CN 113577461 A CN113577461 A CN 113577461A CN 202110914355 A CN202110914355 A CN 202110914355A CN 113577461 A CN113577461 A CN 113577461A
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needle
self
aligning
locking
fixedly connected
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CN202110914355.1A
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CN113577461B (en
Inventor
王苗苗
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Fujian Yinhai Wanxiang Medical Technology Co ltd
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Wenzhou Kangzhou Medical Equipment Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3293Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles characterised by features of the needle hub
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/347Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a self-aligning needle base and a use method thereof, belonging to the field of medical appliances, the invention is suitable for anesthesia needles, in particular to spinal anesthesia needles, and comprises a self-aligning needle base and a needle head body arranged in the self-aligning needle base, wherein both ends of the needle head body are provided with needle head injection fronts inclined in the same direction, the needle head body can be effectively aligned by matching a direction guide inclined plane and a needle head direction indicating port, an assembling worker is assisted to judge the needle head injection front position, the step of the assembling worker for recognizing the needle head injection front by naked eyes is further omitted, the manpower input is reduced, the production cost is reduced, the production efficiency is improved, the economic benefit of medical appliance manufacturers is further improved, and the aligned needle head body can be fixed by locking and pressing a matching column and a needle locking bag ring, the difficulty of subsequent bonding of the needle head body is reduced, and the functionality of the self-alignment needle seat is further improved.

Description

Self-aligning needle seat and use method thereof
Technical Field
The invention relates to the field of medical appliances, in particular to a self-aligning needle base and a using method thereof, which are suitable for an anesthetic needle, especially a spinal anesthetic needle.
Background
A needle is a hollow metal needle tube that can be freely attached and detached for injecting a medicine or extracting a liquid in the medical field. The process of drawing, injecting gas or liquid with a needle is called injection. The needle is generally fixedly mounted on the needle holder for connecting a storage device such as a syringe, and the needle holder are generally fixed by gluing. The needle head is mainly used on an injector and is connected with a syringe cylinder of the injector through a needle seat.
Along with the continuous progress of medical technology, medical syringe needle is diversified gradually at present, not only restricts the cylinder and connects, can also connect different afterbody wares according to its use, for example: cervical puncture needle, epidural anesthesia needle, etc.
In the prior art, when a medical instrument manufacturer assembles a needle head and a needle seat, an assembly worker mostly needs to confirm the front and back surfaces of the needle head through naked eyes. The assembly mode not only needs to consume a large amount of manpower, improves the production cost, but also reduces the production efficiency and the economic benefit of medical instrument manufacturers.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a self-aligning needle seat and a using method thereof, which are suitable for an anesthetic needle, in particular to a spinal anesthesia needle, the needle head body can be automatically aligned effectively through the matching of the direction guide inclined plane and the needle head direction indicating port, the assembly worker can be assisted to judge the front injection position of the needle head, thereby saving the step of identifying the front injection surface of the needle head by naked eyes of an assembling worker, reducing the input of manpower, reducing the production cost, improving the production efficiency, and then improved medical instrument manufacture factory's economic benefits to press down the cooperation of inlaying post and lock needle gasbag circle through locking, can fix the syringe needle body of accomplishing to counterpointing, reduce the degree of difficulty of the follow-up bonding of syringe needle body, improve the bonding quality of syringe needle body, and then improve the functional from counterpoint type needle file.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A self-aligning needle seat comprises a self-aligning needle seat and a needle body arranged in the self-aligning needle seat, wherein the two ends of the needle body are respectively provided with a needle injection front face inclining in the same direction, a needle self-aligning hole matched with the needle body is arranged in the self-aligning needle seat, the self-aligning needle seat is internally and slidably connected with a locking pressing embedded column positioned at the lower side of the needle self-aligning hole, the upper end of the locking pressing embedded column is provided with a direction guide inclined plane matched with the needle injection front face, the front end of the self-aligning needle seat is provided with a needle direction indicating port consistent with the inclination direction of the direction guide inclined plane, the lower end of the locking pressing embedded column is fixedly connected with a plurality of pressing bag rods, the self-aligning needle seat is internally and fixedly connected with a needle pressing air bag ring positioned at the pressing bag rod, the outer end of the needle locking air bag ring is fixedly connected with a plurality of needle locking air guide pipes communicated with the needle pressing air bag rod, the upper end of the needle locking air guide pipe is communicated with the needle self-aligning hole and is matched with the needle body, the inner wall of one end, close to the needle body, of the needle locking air guide pipe is connected with a needle locking air sliding column communicated with the needle locking air sliding column in a sliding mode, and one end, close to the needle body, of the needle locking air sliding column is fixedly connected with an air drum needle locking film communicated with the needle locking air sliding column. Through the cooperation of direction guide inclined plane and syringe needle direction indication mouth, effectively make the syringe needle body can carry out independently counterpoint, supplementary equipment workman judges syringe needle injection positive position, and then the positive step of equipment workman with naked eye discernment syringe needle injection has been saved, the input of manpower has been reduced, production cost is reduced, production efficiency is improved, and then medical instrument manufacture factory's economic benefits has been improved, and press the cooperation of inlaying post and lock needle gasbag circle through locking, can fix the syringe needle body of counterpointing the completion, reduce the degree of difficulty of the follow-up bonding of syringe needle body, improve the bonding quality of syringe needle body, and then improve the functionality from counterpoint type needle file.
Further, fixedly connected with is located the board of accepting of lock needle gasbag circle downside from counterpoint type needle file, accept board upper end fixedly connected with and be located the inboard draw liquid ring of lock needle gasbag circle, the post lower extreme fixedly connected with liquid isolating ring is inlayed in the locking pressing, liquid isolating ring lower extreme extends to and draws in the liquid ring. Through the cooperation of drawing liquid ring and liquid ring, can effectively dredge from the liquid medicine passageway in the counterpoint type needle file, carry out the separation to lock needle gasbag circle, when effectively guaranteeing from the functional of counterpoint type needle file, effectively avoid from the waste of counterpoint type needle file liquid in the use, practice thrift current resource.
Furthermore, a rotation stopping sliding groove is formed in the liquid guiding ring and is in sliding connection with the liquid isolating ring, and a sealing gasket matched with the liquid isolating ring is fixedly connected to the lower inner wall of the rotation stopping sliding groove. The stopping spout carries out the position to the liquid proof ring and prescribes a limit to, can press to inlay the post when producing the removal locking, guides it, improves the locking and presses the displacement precision of inlaying the post, and then improves the locking precision of gas drum lock needle membrane to the syringe needle body, reduces the syringe needle body at the syringe needle from the downthehole offset of counterpointing.
Furthermore, the left inner wall and the right inner wall of the sealing gasket are both provided with a rotation stopping elongated slot, and the left end and the right end of the liquid isolating ring are both fixedly connected with a rotation stopping bulge matched with the rotation stopping elongated slot. The cooperation of the rotation stopping long groove and the rotation stopping bulge effectively eliminates the rotation error of the locking pressing embedded column caused by the unstable pressing force of an assembling worker, further improves the position precision of the needle head body and improves the production quality of the needle head body.
Further, two equal fixedly connected with a plurality of flexible braces of inner wall about the lock needle gasbag circle, both sides about the flexible brace cover is close to the equal fixedly connected with flexible locking sucking disc of one end mutually. When the lock needle gasbag circle produced the compression, the flexible brace of the upper and lower side was close to each other for two flexible locking sucking discs actuation each other keeps the compression stability of lock needle gasbag circle, can make the drum lock needle membrane continuously keep the locking force, improve from the stability of counterpoint type needle file and syringe needle body coupling, and can effectively liberate workman's both hands, be convenient for carry out the operation of gluing, reduce the equipment degree of difficulty.
Furthermore, the outer end of the telescopic support sleeve is fixedly connected with a plurality of magnetic particle columns, and magnetic poles carried by the magnetic particle columns on the upper side and the lower side are opposite magnetic poles. When the telescopic supporting sleeves on the upper side and the lower side are close to each other, the magnetic particle columns generate magnetic force of attraction, so that the telescopic supporting sleeves are extended, the pressing force degree between the flexible locking suckers is increased, the adsorption strength of the flexible locking suckers is further improved, and the locking force is increased.
Furthermore, the lower end of the pressing bag rod is fixedly connected with a uniform force magnetic plate, the lower end of the uniform force magnetic plate is abutted to the upper end of the locking needle air bag ring, and the magnetism of the uniform force magnetic plate and the magnetism of the magnetic particle column positioned on the upper side are of the same polarity. The even power magnetic sheet is when the pressurized bag pole drives and presses lock needle gasbag circle, and increase area of contact improves the degree of consistency of pressing force, and then the atmospheric pressure in the balanced lock needle air guide pipe improves the uniformity of air drum lock needle membrane to the magnetism of even power magnetic sheet produces the effect to the magnetic particle post, further improves the pressing force degree of flexible locking sucking disc, accelerates gaseous discharge between the flexible locking sucking disc, shortens the adsorption time, improves work efficiency.
Further, from the equal fixedly connected with a plurality of cylindricality friction beads in both ends about the counterpoint type needle file, from a plurality of spiral buckles of counterpoint type needle file lower extreme fixedly connected with. The cylindricality friction strip increases from the frictional force between counterpoint type needle file and the equipment workman point, is convenient for the equipment workman to take from the counterpoint type needle file, improves the practicality from the counterpoint type needle file to the spiral buckle can increase from the joint strength between counterpoint type needle file and the cylinder, effectively avoids from the counterpoint type needle file production to drop, can also reverse stable effect under the effect of defeated hydraulic pressure, further improves the joint strength from the counterpoint type needle file.
Furthermore, the inclination of the direction guide inclined plane is 5-75 degrees, and the direction guide inclined plane is arranged in a manner of inclining from front to back. The inclination scope on direction guide inclined plane strengthens, has certain suitability, improves the application scope from counterpoint type needle file, can satisfy the syringe needle body of different grade type and use to because the setting of the incline direction on direction guide inclined plane, make the one side that has syringe needle direction indicating port from counterpoint type needle file certainly for syringe needle injection front face, and then reduce the equipment workman's the work degree of difficulty.
In addition, the invention also discloses a use method of the self-aligning needle seat, which comprises the following steps:
s1, the assembly worker inserts the appointed end of the needle body into the self-aligning hole of the needle;
s2, slightly shaking the self-aligning needle seat by hand, and automatically aligning the needle head body under the guidance of the direction guide inclined plane to enable the front injection surface of the needle head to be consistent with a needle head direction indicating port;
s3, an assembly worker presses the needle head body by hands to enable the needle head body to extrude the locking pressing embedded column, the bag pressing rod extrudes the needle locking air bag ring, and the air drum needle locking film is expanded out and the wall surface of the needle head body is locked under the action of the needle locking air leading tube and the needle locking air sliding column;
s4, then, an assembling worker drops the bonding glue into the upper end of the self-alignment needle base to enable the self-alignment needle base to be bonded with the needle head body;
and S5, clamping the spiral buckle at the lower end of the self-alignment needle seat with the needle head to complete the assembly of the needle head body. Through the equipment step of simplifying the syringe needle body from counterpoint type needle file, reduce the equipment degree of difficulty of syringe needle body, make the equipment workman can directly judge the positive orientation of syringe needle injection through the position of syringe needle direction indication mouth, not only improved the packaging efficiency, still reduced the personnel selection cost.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through the cooperation of direction guide inclined plane and syringe needle direction indication mouth, effectively make the syringe needle body can carry out independently counterpoint, supplementary equipment workman judges syringe needle injection positive position, and then the positive step of equipment workman with naked eye discernment syringe needle injection has been saved, the input of manpower is reduced, production cost is reduced, production efficiency is improved, and then medical instrument manufacture factory's economic benefits has been improved, and press the cooperation of inlaying post and lock needle gasbag circle through locking, can fix the syringe needle body of counterpointing the completion, reduce the follow-up degree of difficulty that bonds of syringe needle body, improve the bonding quality of syringe needle body, and then improve the functionality from counterpoint type needle file.
(2) Through the cooperation of drawing liquid ring and liquid ring, can effectively dredge from the liquid medicine passageway in the counterpoint type needle file, carry out the separation to lock needle gasbag circle, when effectively guaranteeing from the functional of counterpoint type needle file, effectively avoid from the waste of counterpoint type needle file liquid in the use, practice thrift current resource.
(3) The stopping spout carries out the position to the liquid proof ring and prescribes a limit to, can press to inlay the post when producing the removal locking, guides it, improves the locking and presses the displacement precision of inlaying the post, and then improves the locking precision of gas drum lock needle membrane to the syringe needle body, reduces the syringe needle body at the syringe needle from the downthehole offset of counterpointing.
(4) The cooperation of the rotation stopping long groove and the rotation stopping bulge effectively eliminates the rotation error of the locking pressing embedded column caused by the unstable pressing force of an assembling worker, further improves the position precision of the needle head body and improves the production quality of the needle head body.
(5) When the lock needle gasbag circle produced the compression, the flexible brace of the upper and lower side was close to each other for two flexible locking sucking discs actuation each other keeps the compression stability of lock needle gasbag circle, can make the drum lock needle membrane continuously keep the locking force, improve from the stability of counterpoint type needle file and syringe needle body coupling, and can effectively liberate workman's both hands, be convenient for carry out the operation of gluing, reduce the equipment degree of difficulty.
(6) When the telescopic supporting sleeves on the upper side and the lower side are close to each other, the magnetic particle columns generate magnetic force of attraction, so that the telescopic supporting sleeves are extended, the pressing force degree between the flexible locking suckers is increased, the adsorption strength of the flexible locking suckers is further improved, and the locking force is increased.
(7) The even power magnetic sheet is when the pressurized bag pole drives and presses lock needle gasbag circle, and increase area of contact improves the degree of consistency of pressing force, and then the atmospheric pressure in the balanced lock needle air guide pipe improves the uniformity of air drum lock needle membrane to the magnetism of even power magnetic sheet produces the effect to the magnetic particle post, further improves the pressing force degree of flexible locking sucking disc, accelerates gaseous discharge between the flexible locking sucking disc, shortens the adsorption time, improves work efficiency.
(8) The cylindricality friction strip increases from the frictional force between counterpoint type needle file and the equipment workman point, is convenient for the equipment workman to take from the counterpoint type needle file, improves the practicality from the counterpoint type needle file to the spiral buckle can increase from the joint strength between counterpoint type needle file and the cylinder, effectively avoids from the counterpoint type needle file production to drop, can also reverse stable effect under the effect of defeated hydraulic pressure, further improves the joint strength from the counterpoint type needle file.
(9) The inclination scope on direction guide inclined plane strengthens, has certain suitability, improves the application scope from counterpoint type needle file, can satisfy the syringe needle body of different grade type and use to because the setting of the incline direction on direction guide inclined plane, make the one side that has syringe needle direction indicating port from counterpoint type needle file certainly for syringe needle injection front face, and then reduce the equipment workman's the work degree of difficulty.
(10) Through the equipment step of simplifying the syringe needle body from counterpoint type needle file, reduce the equipment degree of difficulty of syringe needle body, make the equipment workman can directly judge the positive orientation of syringe needle injection through the position of syringe needle direction indication mouth, not only improved the packaging efficiency, still reduced the personnel selection cost.
Drawings
FIG. 1 is a schematic view of an axial structure of the present invention;
FIG. 2 is a schematic view of the flow structure of the method of the present invention;
FIG. 3 is a schematic view of a half-section axial structure of the present invention;
FIG. 4 is a schematic diagram of the structure at A in FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the explosion structure of the locking pressing embedded column and the bearing plate of the present invention;
FIG. 6 is a schematic left sectional view of an unlocked latch needle balloon ring according to the present invention;
FIG. 7 is a schematic diagram of the structure of FIG. 6 at B in accordance with the present invention;
FIG. 8 is a schematic axial view of the locking pin airbag ring of the present invention;
FIG. 9 is a schematic structural diagram of a left-side cross section of a locking needle airbag ring during locking according to the present invention;
FIG. 10 is a schematic view of the structure of FIG. 9 at C in accordance with the present invention;
fig. 11 is a schematic structural diagram at D in fig. 9 according to the present invention.
The reference numbers in the figures illustrate:
the self-aligning type needle seat comprises a 1 self-aligning type needle seat, a 101 needle direction indicating port, a 102 spiral buckle, a 103 cylindrical friction strip, a 104 needle self-aligning hole, a 2 needle body, a 201 needle injection front face, a 3 locking pressing embedded column, a 301 direction guiding inclined plane, a 302 liquid isolating ring, a 4 bearing plate, a 401 liquid guiding ring, a 402 rotation stopping sliding groove, a 403 sealing gasket, a 5 needle locking air bag ring, a 501 needle locking air guiding pipe, a 502 needle locking air sliding column, a 503 air blowing needle locking film, a 6 bag pressing rod, a 601 force equalizing magnetic plate, a 7 telescopic supporting sleeve, a 701 magnetic particle column and an 8 flexible locking sucker.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-11, a self-aligning needle holder comprises a self-aligning needle holder 1 and a needle body 2 installed in the self-aligning needle holder 1, wherein both ends of the needle body 2 are provided with needle injection fronts 201 inclined in the same direction, referring to fig. 1 and 3, both left and right ends of the self-aligning needle holder 1 are fixedly connected with a plurality of cylindrical friction strips 103, and the lower end of the self-aligning needle holder 1 is fixedly connected with a plurality of spiral buckles 102. The cylindricality friction strip 103 increases from the frictional force between counterpoint type needle file 1 and the equipment workman points, and the equipment workman of being convenient for takes from counterpoint type needle file 1, improves the practicality from counterpoint type needle file 1 to spiral buckle 102 can increase from the joint strength between counterpoint type needle file 1 and the cylinder, effectively avoids from counterpoint type needle file 1 to produce and drops, can also reverse stable effect under the effect of hydraulic pressure, further improves from counterpoint type needle file 1's joint strength. The needle self-alignment hole 104 matched with the needle body 2 is formed in the self-alignment needle seat 1, the locking pressing embedded column 3 located on the lower side of the needle self-alignment hole 104 is connected in the self-alignment needle seat 1 in a sliding mode, the direction guiding inclined plane 301 matched with the needle injection front surface 201 is arranged at the upper end of the locking pressing embedded column 3, the needle direction indicating port 101 consistent with the inclined direction of the direction guiding inclined plane 301 is formed in the front end of the self-alignment needle seat 1, please refer to fig. 6 and 9, the inclination of the direction guiding inclined plane 301 ranges from 5 degrees to 75 degrees, and the direction guiding inclined plane 301 is arranged in a front-high-back-low inclined mode. The inclination scope of direction guide inclined plane 301 increases, has certain suitability, improves the application scope from counterpoint type needle file 1, can satisfy the syringe needle body 2 use of different grade type to because the setting of the incline direction of direction guide inclined plane 301, make the one side that has syringe needle direction indication mouth 101 from counterpoint type needle file 1 certainly be syringe needle injection front 201 face, and then reduce the equipment workman's the work degree of difficulty. The handheld cylindricality friction bead 103 department from counterpoint type needle file 1 of assembly workman inserts syringe needle body 2 in the syringe needle is from counterpoint hole 104, rock from counterpoint type needle file 1 gently, make the syringe needle of syringe needle body 2 lower extreme inject positive 201 automatic alignment under the guide of direction guide inclined plane 301, make syringe needle inject positive 201 and direction guide inclined plane 301 tie up, the assembly workman can know the orientation of syringe needle injection positive 201 fast through the position of syringe needle direction indication mouth 101, need not go the tip of observing syringe needle body 2 again. The self-aligning needle seat 1 is suitable for a needle body 2 with the outer diameter of 0.4mm to 2.0mm and the length of 15mm to 200 mm. The self-alignment needle base 1 is manufactured by adopting an integrally-formed processing method, and the locking pressing embedded column 3, the bearing plate 4 and the locking needle air bag ring 5 are embedded into the self-alignment needle base 1 in an embedding manner during processing. And then reduce the processing degree of difficulty from counterpoint type needle file 1, be convenient for from the mass production of counterpoint type needle file 1, and then reduce the manufacturing cost from counterpoint type needle file 1.
Referring to fig. 4, the lower end of the locking pressing embedded column 3 is fixedly connected with a plurality of bag pressing rods 6, the interior of the self-aligning needle base 1 is fixedly connected with a needle locking air bag ring 5 positioned on the lower side of the bag pressing rods 6, referring to fig. 6, 7, 9 and 10, the upper inner wall and the lower inner wall of the needle locking air bag ring 5 are fixedly connected with a plurality of telescopic supporting sleeves 7, and the upper telescopic supporting sleeves 7 and the lower telescopic supporting sleeves 7 are close to one end and are fixedly connected with a flexible locking sucker 8. When the needle locking air bag ring 5 produces the compression, the flexible supporting sleeve 7 of the upper and lower sides is close to each other for two flexible locking suckers 8 attract each other, the compression stability of the needle locking air bag ring 5 is kept, the air drum needle locking film 503 can be enabled to continuously keep the locking force, the stability of connection of the self-alignment needle seat 1 and the needle head body 2 is improved, the hands of workers can be effectively liberated, the dispensing operation is convenient to carry out, and the assembling difficulty is reduced. The outer end of the lock needle air bag ring 5 is fixedly connected with a plurality of lock needle air guide tubes 501 communicated with the lock needle air guide tubes, the number of the lock needle air guide tubes 501 is at least 3, so as to ensure the stability and balance of locking force, the upper end of the lock needle air guide tubes 501 is communicated with the needle head self-alignment holes 104 and is matched with the needle head body 2, please refer to fig. 11, the inner wall of one end, close to the needle head body 2, of the lock needle air guide tubes 501 is slidably connected with a lock needle air slide column 502 communicated with the needle head body, and one end, close to the needle head body 2, of the lock needle air slide column 502 is fixedly connected with an air drum lock needle film 503 communicated with the needle head body. Through the cooperation of direction guide inclined plane 301 and syringe needle direction indication port 101, effectively make syringe needle body 2 can independently counterpoint, supplementary equipment workman judges syringe needle injection positive 201 position, and then the step of equipment workman with naked eye discernment syringe needle injection positive 201 has been saved, the input of manpower has been reduced, manufacturing cost is reduced, production efficiency is improved, and then medical instrument manufacture factory's economic benefits has been improved, and press the cooperation of inlaying post 3 and lock needle gasbag circle 5 through locking, can fix syringe needle body 2 of counterpoint completion, reduce the degree of difficulty of the follow-up bonding of syringe needle body 2, improve syringe needle body 2's bonding quality, and then improve the functionality from counterpoint type needle file 1. An assembling worker presses the needle head body 2 to enable the locking pressing embedded column 3 to move downwards under stress to drive the bag pressing rod 6 to press the needle locking air bag ring 5, the volume of the needle locking air bag ring 5 is reduced, air in the needle locking air guide pipe 501 enters and blows the needle locking air sliding column 502, in the continuous pressing process, the air entering the needle locking air guide pipe 501 blows the air drum needle locking film 503 to swell, the wall surface of the needle head body 2 is extruded, the needle head body 2 is locked in the needle head self-aligning hole 104, meanwhile, when the volume of the needle locking air bag ring 5 is reduced, the upper inner wall and the lower inner wall of the needle locking air bag ring are close to each other, the telescopic supporting sleeves 7 on the upper side and the lower side are close to each other to drive the flexible locking suckers 8 to adsorb, the needle locking air bag ring 5 is locked, the air drum needle locking film 503 can continuously lock the needle head body 2, and the assembling worker can bond the self-aligning type needle head 1 and the needle base body 2 conveniently, and the connection strength of the needle head body 2 and the self-aligning needle base 1 is also improved.
Referring to fig. 5, a receiving plate 4 located on the lower side of the needle locking air bag ring 5 is fixedly connected in the self-aligning needle seat 1, a liquid guiding ring 401 located on the inner side of the needle locking air bag ring 5 is fixedly connected at the upper end of the receiving plate 4, a liquid isolating ring 302 is fixedly connected at the lower end of the locking pressing stud 3, and the lower end of the liquid isolating ring 302 extends into the liquid guiding ring 401. Through the cooperation of drawing liquid ring 401 and liquid separation ring 302, can effectively dredge the liquid medicine passageway from the counterpoint type needle file 1, carry out the separation to lock needle gasbag circle 5, when effectively guaranteeing from the functional of counterpoint type needle file 1, effectively avoid from the waste of counterpoint type needle file 1 liquid medicine in the use, practice thrift current resource. Referring to fig. 5, a rotation stopping chute 402 is formed in the liquid guiding ring 401, the rotation stopping chute 402 is slidably connected to the liquid isolating ring 302, and a sealing gasket 403 matched with the liquid isolating ring 302 is fixedly connected to a lower inner wall of the rotation stopping chute 402. The rotation stopping sliding groove 402 limits the position of the liquid isolating ring 302, can guide the locking pressing insert 3 when the locking pressing insert 3 moves, improves the displacement precision of the locking pressing insert 3, further improves the locking precision of the air drum lock needle film 503 on the needle body 2, and reduces the offset of the needle body 2 in the needle self-alignment hole 104. Referring to fig. 5, the sealing gasket 403 has rotation-stopping elongated slots formed on both left and right inner walls thereof, and the liquid-isolating ring 302 has rotation-stopping protrusions fixed to both left and right ends thereof for engaging with the rotation-stopping elongated slots. The cooperation of the rotation stopping long groove and the rotation stopping bulge effectively eliminates the rotation error of the locking pressing embedded column 3 caused by the unstable pressing force of an assembling worker, further improves the position precision of the needle head body 2 and improves the production quality of the needle head body. When the needle body 2 is pressed, locked and pressed to move the embedded column 3, the liquid isolating ring 302 slides in the rotation stopping sliding groove 402 under the limitation of the rotation stopping long groove and the rotation stopping protrusion and stops after being tightly attached to the sealing gasket 403, so that the sealing performance between the liquid isolating ring 302 and the rotation stopping sliding groove 402 is improved, the leakage of liquid medicine is reduced, and resources are effectively saved.
Example 2:
referring to fig. 1 to 11, wherein the same or corresponding components as those in embodiment 1 are designated by the same reference numerals as those in embodiment 1, only the points different from embodiment 1 will be described below for the sake of convenience. This example 2 differs from example 1 in that: referring to fig. 7 and 10, a plurality of magnetic particle columns 701 are fixedly connected to the outer end of the telescopic supporting sleeve 7, and the magnetic poles of the magnetic particle columns 701 on the upper and lower sides are opposite magnetic poles. When the telescopic supporting sleeves 7 on the upper side and the lower side are close to each other, the magnetic particle columns 701 generate attractive magnetic force, so that the telescopic supporting sleeves 7 are extended, the pressing force degree between the flexible locking suckers 8 is increased, the adsorption strength of the flexible locking suckers 8 is further improved, and the locking force is increased. Referring to fig. 7 and 10, the lower end of the bag pressing rod 6 is fixedly connected with a uniform-force magnetic plate 601, the lower end of the uniform-force magnetic plate 601 is abutted against the upper end of the needle locking air bag ring 5, and the magnetism on the uniform-force magnetic plate 601 and the magnetism on the magnetic particle column 701 positioned on the upper side are like magnetic poles. When the uniform force magnetic plate 601 is driven by the pressure bag rod 6 to press the lock needle air bag ring 5, the contact area is increased, the uniformity of pressing force is improved, the air pressure in the lock needle air guide pipe 501 is balanced, the consistency of the air drum lock needle film 503 is improved, the magnetism of the uniform force magnetic plate 601 acts on the magnetic particle column 701, the pressing force degree of the flexible locking sucker 8 is further improved, the discharge of gas between the flexible locking suckers 8 is accelerated, the adsorption time is shortened, and the working efficiency is improved. When flexible brace 7 is close to each other, the magnetic particle post 701 inter attraction of heteropolar, make flexible locking sucking disc 8 be close to each other, and the magnetic plate 601 that all exerts a force produces homopolar repellent magnetic force to the magnetic particle post 701 that lies in the upside, promote the moving speed of magnetic particle post 701, increase the pressing force degree between the flexible locking sucking disc 8, improve the efficiency of gaseous extrusion between the flexible locking sucking disc 8, and then when improving the 8 adsorption strength of flexible locking sucking disc, the adsorption time of flexible locking sucking disc 8 has been shortened, supplementary lock needle gasbag circle 5 contracts in addition effectively, and then shortened the time that the assembly workman pressed syringe needle body 2, alleviate the pressing force degree, the packaging efficiency is improved.
Example 3:
referring to fig. 1 to 11, wherein the same or corresponding components as those in embodiment 1 are designated by the same reference numerals as those in embodiment 1, only the points different from embodiment 1 will be described below for the sake of convenience. This example 3 differs from example 1 in that: referring to fig. 2, a method for using a self-aligning needle seat includes the following steps:
s1, an assembly worker inserts any end of the needle head body 2 into the needle head self-aligning hole 104;
s2, slightly shaking the self-aligning needle base 1 by hand, and automatically aligning the needle body 2 under the guidance of the direction guide inclined plane 301 to enable the front needle injection surface 201 to be consistent with the needle direction indicating port 101;
s3, an assembly worker presses the needle head body 2 with hands to enable the needle head body 2 to extrude the locking pressing embedded column 3, the bag pressing rod 6 extrudes the needle locking air bag ring 5, and the air-bulging needle locking film 503 is bulged under the action of the needle locking air guide pipe 501 and the needle locking air sliding column 502, and the wall surface of the needle head body 2 is locked;
s4, then, an assembling worker drops the bonding glue into the upper end of the self-aligning needle base 1 to glue the self-aligning needle base 1 and the needle head body 2;
and S5, clamping the spiral buckle at the lower end of the self-alignment needle base 1 with the needle head to complete the assembly of the needle head body 2. Through the equipment step of simplifying syringe needle body 2 from counterpoint type needle file 1, reduce the equipment degree of difficulty of syringe needle body 2, make the equipment workman can directly judge the positive 201 orientation of syringe needle injection through the position of syringe needle direction indication mouth 101, not only improved the packaging efficiency, still reduced the personnel selection cost.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (10)

1. The utility model provides a from counterpoint type needle file, includes from counterpoint type needle file (1) and installs syringe needle body (2) in from counterpoint type needle file (1), syringe needle body (2) are gone up both ends and all are provided with positive (201) of syringe needle injection of equidirectional slope, its characterized in that: the needle self-alignment needle seat is characterized in that a needle self-alignment hole (104) matched with the needle body (2) is formed in the self-alignment needle seat (1), a locking pressing embedded column (3) located on the lower side of the needle self-alignment hole (104) is connected in the self-alignment needle seat (1) in a sliding mode, a direction guiding inclined plane (301) matched with the front side (201) of needle injection is arranged at the upper end of the locking pressing embedded column (3), a needle direction indicating port (101) consistent with the inclined direction of the direction guiding inclined plane (301) is formed in the front end of the self-alignment needle seat (1), a plurality of bag pressing rods (6) are fixedly connected to the lower end of the locking pressing embedded column (3), a needle locking ring (5) located on the lower side of the bag pressing rods (6) is fixedly connected in the self-alignment needle seat (1), and a plurality of needle locking air guide tubes (501) communicated with the needle locking air bag ring (5) are fixedly connected to the outer end of the needle locking air bag ring (5), lock needle gas guide tube (501) upper end and syringe needle are put through mutually from counterpoint hole (104) to cooperate with syringe needle body (2), lock needle gas guide tube (501) are close to syringe needle body (2) one end inner wall sliding connection have lock needle gas traveller (502) rather than putting through mutually, lock needle gas traveller (502) are close to syringe needle body (2) one end fixedly connected with rather than the air drum lock needle membrane (503) of putting through mutually.
2. A self-aligning needle mount according to claim 1 wherein: from the interior fixedly connected with of counterpoint type needle file (1) and be located lock needle gasbag circle (5) downside accept board (4), accept board (4) upper end fixedly connected with and be located lock needle gasbag circle (5) inboard draw liquid ring (401), locking is pressed and is inlayed post (3) lower extreme fixedly connected with and separate liquid ring (302), separate liquid ring (302) lower extreme and extend to and draw in liquid ring (401).
3. A self-aligning needle mount according to claim 2 wherein: a rotation stopping sliding groove (402) is formed in the liquid guiding ring (401), the rotation stopping sliding groove (402) is in sliding connection with the liquid isolating ring (302), and a sealing gasket (403) matched with the liquid isolating ring (302) is fixedly connected to the lower inner wall of the rotation stopping sliding groove (402).
4. A self-aligning needle mount according to claim 3 wherein: the left inner wall and the right inner wall of the sealing gasket (403) are both provided with a rotation stopping elongated slot, and the left end and the right end of the liquid separation ring (302) are both fixedly connected with a rotation stopping bulge matched with the rotation stopping elongated slot.
5. A self-aligning needle mount according to claim 1 wherein: the lock needle air bag ring is characterized in that a plurality of telescopic supporting sleeves (7) are fixedly connected to the upper inner wall and the lower inner wall of the lock needle air bag ring (5), and flexible locking suckers (8) are fixedly connected to the upper inner wall and the lower inner wall of the lock needle air bag ring, wherein the telescopic supporting sleeves (7) are close to one end of the lock needle air bag ring.
6. The self-aligning needle holder of claim 5, wherein: the outer end of the telescopic supporting sleeve (7) is fixedly connected with a plurality of magnetic particle columns (701), and magnetic poles of the magnetic particle columns (701) on the upper side and the lower side are opposite magnetic poles.
7. The self-aligning needle holder of claim 6, wherein: the lower end of the capsule pressing rod (6) is fixedly connected with a uniform force magnetic plate (601), the lower end of the uniform force magnetic plate (601) is abutted to the upper end of the lock needle air bag ring (5), and magnetism carried by the uniform force magnetic plate (601) and magnetism carried by the magnetic particle column (701) positioned on the upper side are like magnetic poles.
8. A self-aligning needle mount according to claim 1 wherein: the self-aligning needle seat is characterized in that a plurality of cylindrical friction strips (103) are fixedly connected to the left end and the right end of the self-aligning needle seat (1), and a plurality of spiral buckles (102) are fixedly connected to the lower end of the self-aligning needle seat (1).
9. A self-aligning needle mount according to claim 1 wherein: the inclination of the direction guide inclined plane (301) is 5-75 degrees, and the direction guide inclined plane (301) is arranged in a manner of inclining from front to back.
10. The use method of the self-aligning needle seat according to claim 1, wherein: the method comprises the following steps:
s1, inserting any end of a needle head body (2) into a needle head self-aligning hole (104) by an assembly worker;
s2, slightly shaking the self-aligning needle seat (1) by hand, and automatically aligning the needle head body (2) under the guidance of the direction guide inclined plane (301) to enable the needle head injection front surface (201) to be consistent with the needle head direction indicating port (101);
s3, an assembly worker presses the needle head body (2) with hands to enable the needle head body (2) to extrude the locking pressing embedded column (3), the bag pressing rod (6) extrudes the needle locking air bag ring (5), and the air drum needle locking film (503) is expanded and the wall surface of the needle head body (2) is locked under the action of the needle locking air leading tube (501) and the needle locking air sliding column (502);
s4, then, an assembling worker drops the bonding glue into the upper end of the self-aligning needle base (1) to enable the self-aligning needle base (1) and the needle head body (2) to be in adhesive joint;
and S5, clamping the spiral buckle at the lower end of the self-aligning needle seat (1) with the needle head to complete the assembly of the needle head body (2).
CN202110914355.1A 2021-08-10 2021-08-10 Self-aligning needle seat Active CN113577461B (en)

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CN101411905A (en) * 2007-10-16 2009-04-22 上海顶尖堂生化科技有限公司 Needle head for safety syringe
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Effective date of registration: 20220712

Address after: 352000 Lidun Industrial Park, Lidun Town, Zhouning County, Ningde City, Fujian Province

Patentee after: Fujian Yinhai Wanxiang Medical Technology Co.,Ltd.

Address before: 325000 Haining Road, Shazhong village, Haibin street, Longwan District, Wenzhou City, Zhejiang Province

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Denomination of invention: A self aligning needle holder

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Pledgor: Fujian Yinhai Wanxiang Medical Technology Co.,Ltd.

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