CN115429979B - Insulin pen needle-prick prevention needle tip - Google Patents

Insulin pen needle-prick prevention needle tip Download PDF

Info

Publication number
CN115429979B
CN115429979B CN202210953393.2A CN202210953393A CN115429979B CN 115429979 B CN115429979 B CN 115429979B CN 202210953393 A CN202210953393 A CN 202210953393A CN 115429979 B CN115429979 B CN 115429979B
Authority
CN
China
Prior art keywords
needle
cap
channel
seat
block
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.)
Active
Application number
CN202210953393.2A
Other languages
Chinese (zh)
Other versions
CN115429979A (en
Inventor
陈晶晶
黄靓
严晓玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Affiliated Hospital of Nantong University
Original Assignee
Affiliated Hospital of Nantong University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Affiliated Hospital of Nantong University filed Critical Affiliated Hospital of Nantong University
Priority to CN202210953393.2A priority Critical patent/CN115429979B/en
Publication of CN115429979A publication Critical patent/CN115429979A/en
Application granted granted Critical
Publication of CN115429979B publication Critical patent/CN115429979B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A61M5/3202Devices for protection of the needle before use, e.g. caps
    • 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
    • A61M5/3205Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321Means for protection against accidental injuries by used needles

Landscapes

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

Abstract

The invention discloses an insulin pen anti-needling needle point, which comprises an outer needle cap, an inner needle cap and a needle head; the needle comprises a needle body and a needle seat, and a plurality of grooves are formed in the periphery of the needle seat; the outer needle cap comprises a cap body and a movable ring; the movable ring is arranged at the rear end of the cap body and is hinged with the cap body; the inner side wall of the movable ring is provided with a plurality of convex blocks matched with the grooves; the movable ring is limited on the needle seat through a limiting component. The invention is convenient for installing the outer needle cap and prevents the outer needle cap from being stabbed when being installed.

Description

Insulin pen needle-prick prevention needle tip
Technical Field
The invention relates to the technical field of medical equipment, in particular to an insulin pen anti-needling needle point.
Background
Insulin injection devices such as insulin pens and injection needles have been widely used as a method for treating diabetes. The main function of the device is to accurately infuse insulin into the body of a diabetic patient through an injection device, so as to achieve the purpose of controlling the blood sugar of the patient.
The existing injection needle comprises a needle seat, a needle head, an inner needle cap and an outer needle cap, wherein the outer needle cap and the inner needle cap are sequentially removed before use, and the insulin injection needle is directly exposed outside. The injection needle cannot be reused after being used, and the injection needle needs to be taken down after injection, and the existing injection needle has no protective structure, so that accidental mistaken contact with the needle is easy to happen to cause cross infection.
Disclosure of Invention
The invention aims to solve the technical problem of providing an insulin pen needle-pricking prevention needle tip, which is convenient for installing an outer needle cap and prevents the outer needle cap from being pricked when being installed.
In order to solve the technical problems, the invention adopts the following technical scheme: an insulin pen needle-penetration-preventing needle tip comprises an outer needle cap, an inner needle cap and a needle head; the needle head comprises a needle head body and a needle head seat; the needle head seat comprises an external connecting sleeve and an injection needle mounting seat arranged in the connecting sleeve; a plurality of grooves are formed in the periphery of the connecting sleeve; the outer needle cap comprises a cap body and a movable ring; the movable ring is arranged at the rear end of the cap body and is hinged with the cap body; the inner side wall of the movable ring is provided with a plurality of convex blocks matched with the grooves; the movable ring is limited on the connecting sleeve through a limiting assembly; the needle head seat is also provided with an inner needle cap detaching assembly.
Further, the inner side wall of the cap body is provided with a convex strip which is matched with the groove.
Further, a first magnetic block is arranged outside the needle seat; the outer side of the cap body is provided with a second magnetic block.
Further, the limiting component is a limiting stop block arranged at the forefront end of the groove.
Further, a protective sleeve is arranged outside the needle seat; the protective sleeve is connected with the needle head seat in a sliding way; the outer side of the protective sleeve is provided with a plurality of grooves; the movable ring is connected with the protective sleeve in a sliding way.
Further, the rear end of the needle seat is provided with a limiting baffle ring, and the rear end of the protective sleeve is connected with the limiting baffle ring through a reset spring.
Further, the inner needle cap detaching assembly comprises a push ring arranged at the front end of the injection needle mounting seat, a push ring control assembly arranged in the injection needle mounting seat and a trigger assembly arranged on the connecting sleeve; push ring control components are symmetrically arranged on two sides of the injection needle mounting seat, and each push ring control component comprises a first channel, a second channel, a telescopic spring, a fixed block and a movable block; the first channel and the second channel are vertically arranged and communicated with each other; the first channel is arranged at one end of the injection needle mounting seat, which faces the inner needle cap, and the front end of the first channel is open; the second channel is arranged on one side of the injection needle mounting seat facing the inner side wall of the connecting sleeve, and the end part of the second channel is open; the movable block is connected with the fixed block through a telescopic spring, and is close to the inner needle cap; the fixed block is connected with the second channel in a sliding way, and the movable block is controlled by the trigger component to enter the first channel.
Further, the triggering component comprises a guide rod connected with the fixed block; a chute is arranged on the outer side wall of the connecting sleeve; a sliding block is arranged in the sliding groove; the sliding block is arranged in the sliding groove through a reset spring, and the front end of the sliding block is provided with a first inclined plane; the top of the guide rod extends into the sliding groove, and a second inclined plane is arranged at the rear side of the top of the guide rod.
Further, a cotton ball channel is arranged at the head end of the outer needle cap; the side wall of the outer needle cap is provided with a cotton ball body; the rear side of the cotton ball body is in sliding connection with the inner side wall of the outer needle cap; the forefront end of the cotton ball channel is provided with a hauling rope perforation, one end of the hauling rope penetrates through the hauling rope perforation to be connected with the cotton ball, and the other end is connected with a pull ring at the outer side of the outer needle cap.
The beneficial effects of the invention are as follows:
1) The outer needle cap comprises the cap body and the movable ring, the movable ring is in sliding connection with the needle seat and is limited on the needle seat, the cap body is hinged with the movable ring, and through the structural arrangement, the cap body and the needle seat are conveniently in butt joint installation after injection is finished, and accidental puncture during installation of the outer needle cap is avoided.
2) The inner cap body is taken down through the inner needle cap detaching assembly, so that contact between the hand and the position of the injection needle is reduced, and accidental puncture is effectively avoided.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
FIG. 3 is a schematic view showing the movement of the movable ring to the foremost end of the needle holder.
Fig. 4 is a schematic view of the inner cap removed after the cap is turned over.
Fig. 5 is a schematic diagram showing the connection between the protective sheath and the needle holder in embodiment 2.
Fig. 6 is a schematic structural view of the inner needle cap removal assembly.
Fig. 7 is a schematic view of an outer needle cap with a cotton ball.
Detailed Description
The technical scheme of the present invention will be clearly and completely described in the following detailed description.
Examples
Referring to fig. 1-4, an insulin pen needle-penetration-preventing tip of the present invention comprises an outer needle cap 1, an inner needle cap 2 and a needle head 3.
The needle 3 comprises a needle body 31 and a needle seat 32; the needle head seat 32 comprises an external connecting sleeve and an injection needle mounting seat arranged in the connecting sleeve; a plurality of grooves 33 are formed in the periphery of the connecting sleeve; the inner needle cap 2 is sleeved on the injection needle and positioned at the front end of the mounting seat 322, and the rear end of the inner needle cap 2 is propped against the front end of the mounting seat 322. The outer needle cap is sleeved on the periphery of the connecting sleeve, and the inner needle cap 2 is hidden inside the connecting sleeve. The needle head seat is also provided with an inner needle cap detaching assembly.
The outer needle cap 1 in this embodiment comprises a cap body 11 and a moving ring 12.
The movable ring 12 is disposed at the rear end of the cap 11 and is hinged with the cap 11. The front end of one side of the movable ring 12 is fixedly provided with a first connecting seat, the rear end of one side of the cap 11 is provided with a second connecting seat, the first connecting seat is connected with the second connecting seat through a rotating shaft, and the cap 11 can turn around the rotating shaft.
According to the invention, the inner side wall of the movable ring 12 is provided with the plurality of protruding blocks 13 matched with the grooves 33, and the movable ring 12 is provided with the protruding blocks which are in sliding connection with the grooves 33 on the needle seat 32, so that the movable ring is limited to move transversely only and cannot rotate around the needle seat 32, and therefore, the movable ring 12 or the cap 11 can be rotated to drive the needle seat 32 to rotate, so that the needle is convenient to mount and dismount.
The moving ring 12 of the present invention is limited on the needle seat 32 by a limiting component, which is a limit stop 34 arranged at the forefront end of the groove 33. The present invention ensures that the shift ring 12 does not disengage from the needle mount 32 through the provision of a limiting assembly.
Preferably, the inner side wall of the cap 11 is provided with the convex strips 14 which are matched with the grooves 33, so that when the cap 11 is rotated, the needle seat 32 is driven to rotate, and the joint of the cap and the movable ring 12 is prevented from being damaged when the cap 11 is rotated.
Preferably, the first magnetic block 51 is arranged outside the needle seat 32; the outer side of the cap 11 is provided with a second magnetic block 52.
In the embodiment, the first magnetic block 51 and the second magnetic block 52 which are mutually attracted are arranged; after the cap body is turned over, the cap body is adsorbed on the side wall of the needle seat 32, so that insulin injection is not affected.
The working principle of the embodiment is as follows:
when the needle tip of the embodiment is used, firstly, the needle tip is arranged on an insulin pen, then, the cap body is pulled to drive the movable ring to move to the forefront end of the needle head seat, then, the cap body overturns along the rotating shaft, the cap body is adsorbed on the side wall of the needle head seat, the inner needle cap 2 is taken down, air is discharged, the metering of the insulin pen is regulated according to the dosage opened by a doctor, injection is carried out, after the injection is finished, the cap body can be controlled by one hand to overturn to a position horizontal to the insulin pen along the rotating shaft, the cap body and the needle head seat are aligned, the cap body is pushed, and after the cap body is overturned, the cap body covers the needle head body and the inside of the cap body, so that the needle head is prevented from being stabbed by the needle head. Can avoid the problems that the needle seat cannot be aligned and the needle is easy to be stabbed when the needle cap is outside the single glove in the prior art.
Examples
As shown in fig. 5, on the basis of embodiment 1, the present embodiment is provided with a shield 4 outside the needle holder 32; the protective sleeve 4 is connected with the needle seat 32 in a sliding way; the outer side of the protective sleeve 4 is provided with a plurality of grooves; the movable ring 12 is slidably connected to the protective sheath 4.
The rear end of the needle seat 32 is provided with a limit stop ring 5, and the rear end of the protective sleeve 4 is connected with the limit stop ring 5 through a return spring 6.
The protecting sleeve 4 in the embodiment extends to the front end of the needle seat 32, and the foremost end of the needle body 31 is positioned in the protecting sleeve 4, so that puncture can be effectively prevented, and when injection is performed, a certain pressure is generated on the protecting sleeve 4 by a body to push the protecting sleeve 4 to retreat, so that the needle body 31 is exposed, and injection is not influenced; after the injection is finished, the protective sleeve 4 is reset under the action of the reset spring 6, so that the puncture is effectively prevented; finally, the outer cap body can be easily installed by turning over and pushing the cap body as in the embodiment 1.
Examples
As shown in fig. 6, the present invention provides an inner needle cap removal assembly on needle hub 32; the inner needle cap detaching assembly comprises a pushing ring 71 arranged at the front end of the injection needle mounting seat, a pushing ring control assembly arranged in the injection needle mounting seat and a triggering assembly arranged on the connecting sleeve; the two sides of the injection needle mounting seat are symmetrically provided with pushing ring control components, and the pushing ring control components comprise a first channel 72, a second channel 73, a telescopic spring 74, a fixed block 75 and a movable block 76; the first channel 72 and the second channel 73 are vertically arranged and communicated with each other; the first channel 72 is arranged at one end of the injection needle mounting seat facing the inner needle cap 2, and the front end of the first channel is open; the second channel 73 is arranged on one side of the injection needle mounting seat facing the inner side wall of the connecting sleeve, and the end part of the second channel is open; the movable block 76 is connected with the fixed block 75 through the telescopic spring 74, and the movable block 76 is close to the inner needle cap 2; the fixed block 75 is slidably connected with the second channel 73, and the movable block 76 is controlled by the trigger assembly to enter the first channel 72.
The trigger assembly of the present invention includes a guide bar 77 connected to a fixed block 75; the outer side wall of the connecting sleeve is provided with a sliding groove 78; a sliding block 79 is arranged in the sliding groove 78; the sliding block 79 is installed in the sliding groove 78 through a return spring, and the front end of the sliding block 79 is provided with a first inclined plane 80; the top of the guide rod 77 extends into the sliding groove 78, and a second inclined plane 81 is arranged at the rear side of the top of the guide rod 77.
According to the invention, by pushing the sliding block 79, the first inclined surface 80 of the sliding block 79 is matched with the second inclined surface 81 arranged at the rear side of the top of the guide rod 77, the guide rod 77 is pressed downwards in the forward moving process of the sliding block, the guide rod drives the fixed block 75 to move downwards, and a synchronizing rod is arranged between the fixed block and the movable block; the synchronizing rod is fixed on the fixed block 75, a round hole matched with the synchronizing rod is formed in the movable block, the movable block is sleeved on the synchronizing rod through the round hole, therefore, the fixed block synchronously drives the movable block to move downwards, when the movable block moves downwards to the first channel, the movable block is ejected out of the first channel under the action of the telescopic spring 74, and the movable block drives the push ring 71 to push the inner needle cap 2 down from the injection needle.
The cotton ball channel 86 is arranged at the head end of the outer needle cap 1; the side wall of the outer needle cap 1 is provided with a cotton ball 82; the rear side of the cotton ball 82 is in sliding connection with the inner side wall of the outer needle cap 1; the forefront end of the cotton ball channel 86 is provided with a hauling rope perforation 83, one end of the hauling rope 84 passes through the hauling rope perforation 83 to be connected with the cotton ball 82, and the other end is connected with a pull ring 85 on the outer side of the outer needle cap 1.
After insulin injection, the injection site is required to be pressed by a cotton swab and the like, the cotton swab is required to be found when the insulin injection site is used at ordinary times, and the insulin injection site is inconvenient to use, and the insulin injection site is inconvenient to operate when the insulin injection site is injected by one hand with the cotton swab. According to the invention, the cotton ball 82 is arranged in the outer needle cap 1, so that the cotton ball is not polluted, and can be pulled out through the pull ring before or after injection, and is positioned at the port of the outer cap body, the outer cap is covered, and the injection position is pressed by the cotton ball at the end part of the outer cap body.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the invention, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present invention.

Claims (7)

1. An insulin pen needle penetration-preventing needle tip comprises an outer needle cap (1), an inner needle cap (2) and a needle head (3); the method is characterized in that: the needle (3) comprises a needle body (31) and a needle seat (32); the needle head seat (32) comprises an external connecting sleeve and an injection needle mounting seat arranged in the connecting sleeve; a plurality of grooves (33) are formed in the periphery of the connecting sleeve; the outer needle cap (1) comprises a cap body (11) and a movable ring (12); the movable ring (12) is arranged at the rear end of the cap body (11) and is hinged with the cap body (11); the inner side wall of the movable ring (12) is provided with a plurality of convex blocks (13) matched with the grooves (33); the movable ring (12) is limited on the connecting sleeve through a limiting assembly; the needle seat (32) is also provided with an inner needle cap detaching assembly;
the inner needle cap detaching assembly comprises a pushing ring (71) arranged at the front end of the injection needle mounting seat, a pushing ring control assembly arranged in the injection needle mounting seat and a triggering assembly arranged on the connecting sleeve; the two sides of the injection needle mounting seat are symmetrically provided with pushing ring control components, and the pushing ring control components comprise a first channel (72), a second channel (73), a telescopic spring (74), a fixed block (75) and a movable block (76); the first channel (72) and the second channel (73) are vertically arranged and are communicated with each other; the first channel (72) is arranged at one end of the injection needle mounting seat, which faces the inner needle cap (2), and the front end of the first channel is open; the second channel (73) is arranged on one side of the injection needle mounting seat facing the inner side wall of the connecting sleeve, and the end part of the second channel is open; the movable block (76) is connected with the fixed block (75) through the telescopic spring (74), and the movable block (76) is close to the inner needle cap (2); the fixed block (75) is in sliding connection with the second channel (73), and the movable block (76) is controlled by the trigger component to enter the first channel (72);
the trigger assembly comprises a guide rod (77) connected with the fixed block (75); a chute (78) is arranged on the outer side wall of the connecting sleeve; a sliding block (79) is arranged in the sliding groove (78); the sliding block (79) is arranged in the sliding groove (78) through a return spring, and the front end of the sliding block (79) is provided with a first inclined surface (80); the top of the guide rod (77) extends into the chute (78), and a second inclined plane (81) is arranged at the rear side of the top of the guide rod (77).
2. An insulin pen needle-stick prevention tip according to claim 1, characterized in that: the inner side wall of the cap body (11) is provided with a convex strip (14) corresponding to the groove (33).
3. An insulin pen needle-stick prevention tip according to claim 1, characterized in that: the needle seat (32) is externally provided with a first magnetic block (51); and a second magnetic block (52) is arranged on the outer side of the cap body (11).
4. An insulin pen needle-stick prevention tip according to claim 1, characterized in that: the limiting component is a limiting stop block (34) arranged at the forefront end of the groove (33).
5. An insulin pen needle-stick prevention tip according to claim 1, characterized in that: a protective sleeve (4) is arranged outside the needle seat (32); the protective sleeve (4) is connected with the needle seat (32) in a sliding way; the outer side of the protective sleeve (4) is provided with a plurality of grooves; the movable ring (12) is connected with the protective sleeve (4) in a sliding way.
6. An insulin pen needle-stick prevention tip according to claim 1, characterized in that: the rear end of the needle seat (32) is provided with a limiting stop ring (5), and the rear end of the protective sleeve (4) is connected with the limiting stop ring (5) through a return spring (6).
7. An insulin pen needle-stick prevention tip according to claim 1, characterized in that: the cotton ball channel (86) is arranged at the head end of the outer needle cap (1); the side wall of the outer needle cap (1) is provided with a cotton ball body (82); the rear side of the cotton ball body (82) is in sliding connection with the inner side wall of the outer needle cap (1); the forefront end of the cotton ball channel (86) is provided with a traction rope perforation (83), one end of a traction rope (84) passes through the traction rope perforation (83) to be connected with the cotton ball body (82), and the other end is connected with a pull ring (85) at the outer side of the outer needle cap (1).
CN202210953393.2A 2022-08-10 2022-08-10 Insulin pen needle-prick prevention needle tip Active CN115429979B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210953393.2A CN115429979B (en) 2022-08-10 2022-08-10 Insulin pen needle-prick prevention needle tip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210953393.2A CN115429979B (en) 2022-08-10 2022-08-10 Insulin pen needle-prick prevention needle tip

Publications (2)

Publication Number Publication Date
CN115429979A CN115429979A (en) 2022-12-06
CN115429979B true CN115429979B (en) 2023-09-26

Family

ID=84242769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210953393.2A Active CN115429979B (en) 2022-08-10 2022-08-10 Insulin pen needle-prick prevention needle tip

Country Status (1)

Country Link
CN (1) CN115429979B (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06121836A (en) * 1991-02-22 1994-05-06 Mitsubishi Heavy Ind Ltd Safety cover for syringe needle
JP3157011U (en) * 2009-11-10 2010-01-28 品強科技精密有限公司 Rotary safety needle
CN106983930A (en) * 2017-05-26 2017-07-28 南通大学附属医院 A kind of injection pen for being easy to observe insulin surplus
CN208552742U (en) * 2017-07-31 2019-03-01 魏富贵 Safety-type insulin syringe needle
CN211704778U (en) * 2019-12-02 2020-10-20 自贡市第一人民医院 Medical puncture needle
CN212854254U (en) * 2020-04-27 2021-04-02 袁平 Insulin pen needle dismounting and collecting device
CN112642026A (en) * 2020-12-18 2021-04-13 河南科技大学第一附属医院 Injection needle head for insulin injection pen, needle head picker and needle head set
CN213220076U (en) * 2020-08-12 2021-05-18 田玥 Insulin injection needle capable of preventing puncture wound
CN213312492U (en) * 2020-08-24 2021-06-01 重庆医科大学附属永川医院 Efficient anesthetic needle
CN114668926A (en) * 2022-02-24 2022-06-28 上海市浦东新区公利医院(第二军医大学附属公利医院) Insulin injection pen and using method thereof
CN217014946U (en) * 2022-01-20 2022-07-22 金月 Insulin injection pen capable of automatically pulling out needle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3574947B1 (en) * 2018-06-01 2023-08-30 Tianjin Huahong Technology Co., Ltd. Disposable injection needle
CN108992744B (en) * 2018-06-29 2020-11-03 苏州沙力医疗器械有限公司 Rotary locking type safe insulin injection needle

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06121836A (en) * 1991-02-22 1994-05-06 Mitsubishi Heavy Ind Ltd Safety cover for syringe needle
JP3157011U (en) * 2009-11-10 2010-01-28 品強科技精密有限公司 Rotary safety needle
CN106983930A (en) * 2017-05-26 2017-07-28 南通大学附属医院 A kind of injection pen for being easy to observe insulin surplus
CN208552742U (en) * 2017-07-31 2019-03-01 魏富贵 Safety-type insulin syringe needle
CN211704778U (en) * 2019-12-02 2020-10-20 自贡市第一人民医院 Medical puncture needle
CN212854254U (en) * 2020-04-27 2021-04-02 袁平 Insulin pen needle dismounting and collecting device
CN213220076U (en) * 2020-08-12 2021-05-18 田玥 Insulin injection needle capable of preventing puncture wound
CN213312492U (en) * 2020-08-24 2021-06-01 重庆医科大学附属永川医院 Efficient anesthetic needle
CN112642026A (en) * 2020-12-18 2021-04-13 河南科技大学第一附属医院 Injection needle head for insulin injection pen, needle head picker and needle head set
CN217014946U (en) * 2022-01-20 2022-07-22 金月 Insulin injection pen capable of automatically pulling out needle
CN114668926A (en) * 2022-02-24 2022-06-28 上海市浦东新区公利医院(第二军医大学附属公利医院) Insulin injection pen and using method thereof

Also Published As

Publication number Publication date
CN115429979A (en) 2022-12-06

Similar Documents

Publication Publication Date Title
US7465294B1 (en) Retractable hypodermic needle
US5749856A (en) Needle stick protective apparatus for manual catheter placement devices
EP0719565B1 (en) Safety catheter assembly having safety stop push button
EP1011757B1 (en) Parenteral fluid transfer apparatus
EP0893136B1 (en) Intravenous cannula
EP0356810B1 (en) Self-Sheathing hypodermic needle
EP0730880B1 (en) Catheter-advancement actuated needle retracted system
US7329238B2 (en) Safety needle medical bearing devices
US5011475A (en) Protector for intravenous and syringe needles
US20120323181A1 (en) Intravenous Catheter Introducer with Needle Retraction Controlled by Catheter Hub Seal
US6126641A (en) Shielded IV catheter insertion assemblies
US5634909A (en) Auto-retracting needle injector system
JP6091696B2 (en) Needle retractor
US20020004652A1 (en) Protective device for a fillable injection syringe
KR19980018811A (en) MEDICAL DEVICES
US20070123830A1 (en) Safety syringe
CA2433913A1 (en) Bluntable needle assembly with open-ended blunting probe
US20100160869A1 (en) Medical Needle Assemblies
CA2406994A1 (en) Medical device with shield having a retractable needle
WO2010132196A1 (en) Iv catheter introducer
JP2010535558A (en) Injection device
US4950253A (en) Needle ejector structure for a syringe
CN114146253A (en) Infusion needle structure of medicine infusion device
EP0808634B1 (en) Medical device with means protecting against inadvertent needle-stick
CN115429979B (en) Insulin pen needle-prick prevention needle tip

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant