WO2014161414A1 - 一种防刺留置针 - Google Patents
一种防刺留置针 Download PDFInfo
- Publication number
- WO2014161414A1 WO2014161414A1 PCT/CN2014/072790 CN2014072790W WO2014161414A1 WO 2014161414 A1 WO2014161414 A1 WO 2014161414A1 CN 2014072790 W CN2014072790 W CN 2014072790W WO 2014161414 A1 WO2014161414 A1 WO 2014161414A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stab
- needle
- puncture
- seat
- card
- Prior art date
Links
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
- A61M5/162—Needle sets, i.e. connections by puncture between reservoir and tube ; Connections between reservoir and tube
- A61M5/1626—Needle protectors therefor
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
- A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
-
- 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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/06—Body-piercing guide needles or the like
- A61M25/0606—"Over-the-needle" catheter assemblies, e.g. I.V. catheters
Definitions
- the present invention relates to a configuration of a venous indwelling needle, and more particularly to a configuration of a venous indwelling needle capable of preventing stab wounds.
- intravenous indwelling needles are usually used, and it is only necessary to leave them in the venous blood vessels, so that multiple medical injections or blood tests can be performed.
- the venous indwelling needle currently used in the industry includes a cannula and a puncture needle.
- the venous indwelling needle is guided by the puncture needle into the venous blood vessel of the human body.
- the puncture needle is withdrawn and only the cannula is placed in the venous blood vessel. In this way, the cannula can be injected into the vein using a cannula, or blood can be drawn from the vein.
- the conventional venous indwelling needle does not properly protect the needle of the puncture needle after the puncture needle is removed from the clinical operation. Therefore, a puncture needle stuck to the patient's blood is very likely to stab the medical staff, resulting in accidental injury and infection. In addition, discarded bare needles can also pollute the environment and increase the difficulty of special treatment of medical waste. Invention disclosure
- a primary object of the present invention is to provide a configuration of a venous indwelling needle, and more particularly to a configuration of a venous indwelling needle which can prevent stab wounds.
- a secondary object of the present invention is to provide a structure for a venous indwelling needle, wherein a through hole, a card and a spring piece are arranged in a protective seat, and the puncture needle can be pierced by the card engaging the locking portion of the puncture needle and the structure of the elastic piece. The end is limited to the protection seat.
- the present invention provides a configuration of a stab-resistant indwelling needle comprising:
- a sleeve disposed at the front end of the catheter seat
- a protective seat, a through hole, a spring piece and a card are coupled to the rear end of the sleeve;
- a needle holder having an accommodation space for accommodating the protection seat;
- a puncture needle includes a puncture end and a tail end.
- the puncture needle is provided with a buckle portion adjacent to the puncture end, the tail end is fixed to the needle seat, and the puncture end passes through the through hole of the protection seat, the elastic piece and the card. And extending through the catheter seat to the front end of the sleeve;
- the puncture end is confined in the protection seat by the elastic piece, the card and the buckle portion.
- the structure of the stab-resistant indwelling needle wherein the protection seat is provided with a spring slot and a card slot for respectively setting the elastic piece and the card.
- the structure of the stab-resistant indwelling needle wherein the diameter of the card hole is larger than the diameter of the puncture needle and smaller than the width of the buckle portion.
- the structure of the stab-resistant indwelling needle wherein the elastic piece has a blocking piece, and the blocking piece is provided with a blocking wing which is blocked at the through hole of the protection seat when the blocking piece is in an unstressed state.
- the structure of the stab-resistant indwelling needle wherein the catheter hub is one of a straight catheter hub and a Y-catheter socket.
- the structure of the stab-resistant indwelling needle wherein when the catheter socket is a Y-shaped catheter socket, the Y-shaped catheter socket is provided with an isolation plug; a blood return groove is arranged between the puncture end of the puncture needle and the buckle portion.
- the structure of the intravenous indwelling needle provided by the present invention in particular, the construction of a vein indwelling needle which can prevent stab wounds.
- the through hole, the card and the elastic piece are arranged in a protective seat, and the puncture end of the puncture needle can be restricted in the protective seat by the card engaging the locking portion of the puncture needle and the structure of the elastic piece.
- the tip of the puncture needle which adheres to the blood of the patient after use can be prevented from being exposed, the safety of the medical staff can be ensured, and the difficulty in handling the medical waste can be reduced.
- FIG. 1 is an exploded perspective view of an embodiment of the present invention
- Figure 2 is a partial exploded view of another perspective of the embodiment of Figure 1;
- Figure 3 is a partial cross-sectional view showing the combination of the embodiment shown in Figure 1;
- Figure 4 is a combination diagram of the embodiment shown in Figure 1;
- Figure 5 is a schematic view of the embodiment of Figure 1 when the needle is withdrawn
- Figure 6 is a partial structural view and a partial cross-sectional view of the embodiment of Figure 1 when the needle is removed;
- Figure 7 is a schematic view showing the completion of the withdrawal of the embodiment shown in Figure 1;
- Figure 8 is a combination diagram of another embodiment of the present invention.
- Figure 9 is a partial structural exploded view of the embodiment of Figure 8. Wherein, the reference numeral
- the stab-resistant indwelling needle 10 of the present invention comprises a cannula 11, a catheter hub 12, a puncture needle 14, a protective seat 16, and a hub 18.
- the sleeve 11 is fixed to the front end of the catheter hub 12.
- the puncture needle 14 has a puncture end 143 and a tail end 145, and a buckle portion 141 is disposed adjacent to the piercing end 143.
- the protection seat 16 is provided with a through hole 161, a spring piece 15 and a card 17.
- the card 17 is provided with a card hole 173, the elastic piece 15 includes a blocking piece 153, and the blocking piece 153 is provided with a blocking wing 155.
- the needle holder 18 is provided with an accommodating space 181 for accommodating the protection seat 16.
- the blocking piece 153 of the elastic piece 15 is deformed so that the blocking wing 155 is separated from the through hole 161, passes through the card hole 173 of the card 17, and is then passed through the through hole 161 at the rear end of the protection seat 16, and is fixed in the needle holder 18.
- the cannula 11 and the catheter hub 12 are placed by the piercing end 143, and the piercing end 143 is extended beyond the front end of the cannula 11, so that the stab-resistant indwelling needle 10 can be assembled, as shown in FIG.
- FIG. 5 to FIG. 7 are respectively a schematic view of the embodiment shown in FIG. 1 when the needle is withdrawn, a partial mechanism diagram when the needle is removed, a partial cross-sectional view, and a completed schematic diagram.
- the stab-resistant indwelling needle 10 of the present invention is used, the stab-resistant indwelling needle 10 is guided by the puncture needle 14 into the venous blood vessel of the human body, and after the blood return is confirmed, the puncture needle is retracted.
- the guard 16 can be separated from the catheter hub 12, leaving only the cannula 11 in the venous vessel, as shown in FIG.
- the catheter adapter can be selected as a straight catheter hub (as shown by element 12 of Figures 1-7) or a Y-catheter socket (such as component 82 of Figures 8 and 9). Shown as:).
- a straight catheter hub as shown by element 12 of Figures 1--7
- a Y-catheter socket such as component 82 of Figures 8 and 9. Shown as:).
- An isolation plug 821 is further disposed in the Y-shaped catheter hub 82 to prevent blood or medicament from leaking out of the channel.
- a blood return groove 841 is provided between the locking portion 141 of the puncture needle 14 and the puncture end 143 for observing whether there is blood return.
- the trailing end 145 of the puncture needle 14 is enclosed in the needle hub 18.
- the locking portion 141 of the puncture needle 14 is an embodiment of a flat portion.
- the side of the flat portion can be formed into a convex shape and have a large width, and the card hole 173 of the card 17 can be caught to restrict the movement range of the puncture needle 14, as shown in Fig. 6. Shown.
- the protection seat 16 can be provided with a spring slot 163 and a card slot 167 for respectively providing the elastic piece 15 and the card 17.
- the elastic piece 15 may further be provided with a supporting piece 157 disposed in parallel with the blocking piece 153 to provide a supporting force when the blocking piece 153 is deformed to prevent the elastic piece 15 from being displaced due to the force.
- the tip of the piercing needle 14 which adheres to the blood of the patient after use can be prevented from being exposed, the safety of the medical staff can be ensured, and the difficulty in handling the medical waste can be reduced.
- the invention provides a structure of a stab-resistant indwelling needle, in particular to a venous indwelling needle capable of preventing stab wound, comprising a sleeve, a catheter seat, a protective seat, a needle seat and a puncture needle.
- the protective seat is provided with a through hole, a spring piece and a card.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016600016U JP3204337U (ja) | 2013-04-03 | 2014-03-03 | 誤刺予防が施された留置針 |
EP14780019.7A EP2982404A1 (en) | 2013-04-03 | 2014-03-03 | Stab-prevention indwelling needle |
MX2015013998A MX2015013998A (es) | 2013-04-03 | 2014-03-03 | Aguja permanente para la prevención de piquete. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320165689.4 | 2013-04-03 | ||
CN2013201656894U CN203196075U (zh) | 2013-04-03 | 2013-04-03 | 防刺留置针的构造 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014161414A1 true WO2014161414A1 (zh) | 2014-10-09 |
Family
ID=49140219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2014/072790 WO2014161414A1 (zh) | 2013-04-03 | 2014-03-03 | 一种防刺留置针 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20140303561A1 (zh) |
EP (1) | EP2982404A1 (zh) |
JP (1) | JP3204337U (zh) |
CN (1) | CN203196075U (zh) |
MX (1) | MX2015013998A (zh) |
TW (1) | TWM484437U (zh) |
WO (1) | WO2014161414A1 (zh) |
Families Citing this family (40)
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---|---|---|---|---|
WO2007006055A2 (en) | 2005-07-06 | 2007-01-11 | Vascular Pathways Inc. | Intravenous catheter insertion device and method of use |
DE602008003791D1 (de) | 2007-05-07 | 2011-01-13 | Vascular Pathways Inc | Einführung eines intravenösen katheters und blutentnahmevorrichtung und anwendungsverfahren |
US8323249B2 (en) | 2009-08-14 | 2012-12-04 | The Regents Of The University Of Michigan | Integrated vascular delivery system |
US9872971B2 (en) | 2010-05-14 | 2018-01-23 | C. R. Bard, Inc. | Guidewire extension system for a catheter placement device |
US10384039B2 (en) | 2010-05-14 | 2019-08-20 | C. R. Bard, Inc. | Catheter insertion device including top-mounted advancement components |
US11925779B2 (en) | 2010-05-14 | 2024-03-12 | C. R. Bard, Inc. | Catheter insertion device including top-mounted advancement components |
US9950139B2 (en) | 2010-05-14 | 2018-04-24 | C. R. Bard, Inc. | Catheter placement device including guidewire and catheter control elements |
US8932258B2 (en) | 2010-05-14 | 2015-01-13 | C. R. Bard, Inc. | Catheter placement device and method |
WO2011146772A1 (en) | 2010-05-19 | 2011-11-24 | Tangent Medical Technologies Llc | Safety needle system operable with a medical device |
WO2011146769A2 (en) | 2010-05-19 | 2011-11-24 | Tangent Medical Technologies Llc | Integrated vascular delivery system |
US8690833B2 (en) | 2011-01-31 | 2014-04-08 | Vascular Pathways, Inc. | Intravenous catheter and insertion device with reduced blood spatter |
EP2678065B1 (en) | 2011-02-25 | 2019-09-11 | C.R. Bard Inc. | Medical component insertion device including a retractable needle |
USD903101S1 (en) | 2011-05-13 | 2020-11-24 | C. R. Bard, Inc. | Catheter |
CN203196075U (zh) * | 2013-04-03 | 2013-09-18 | 英属维尔京群岛圣采科技投资有限公司 | 防刺留置针的构造 |
EP3102258A4 (en) | 2014-02-04 | 2017-12-27 | ICU Medical, Inc. | Self-priming systems and methods |
AU2015247343B2 (en) | 2014-04-18 | 2019-08-29 | Becton, Dickinson And Company | Needle capture safety interlock for catheter |
WO2016037127A1 (en) | 2014-09-05 | 2016-03-10 | C.R. Bard, Inc. | Catheter insertion device including retractable needle |
US11511052B2 (en) | 2014-11-10 | 2022-11-29 | Becton, Dickinson And Company | Safety IV catheter with V-clip interlock and needle tip capture |
CN104548262A (zh) * | 2015-01-12 | 2015-04-29 | 江苏磐宇科技有限公司 | 弹片式防针刺直型留置针的生产工艺 |
CN104548261A (zh) * | 2015-01-12 | 2015-04-29 | 江苏磐宇科技有限公司 | 弹片式防针刺y型留置针的生产工艺 |
CN106063957B (zh) * | 2015-04-24 | 2022-07-19 | 北京万生人和科技有限公司 | 一种静脉穿刺针 |
USD903100S1 (en) | 2015-05-01 | 2020-11-24 | C. R. Bard, Inc. | Catheter placement device |
CN107530525B (zh) * | 2015-05-15 | 2021-02-26 | 泰尔茂株式会社 | 导管组装体 |
AU2016265685B2 (en) | 2015-05-15 | 2020-04-09 | C.R. Bard, Inc. | Catheter placement device including an extensible needle safety component |
CN105709296A (zh) * | 2016-04-08 | 2016-06-29 | 广东先来医疗器械有限公司 | 一种直管防血栓静脉留置针 |
US11213656B2 (en) | 2016-04-15 | 2022-01-04 | Becton, Dickinson And Company | Medical device with anti-rotation push tab |
JP6974904B2 (ja) | 2016-04-15 | 2021-12-01 | ベクトン・ディキンソン・アンド・カンパニーBecton, Dickinson And Company | 回転防止プッシュタブを備えた医療器具 |
CN112206397B (zh) | 2016-09-12 | 2023-03-21 | C·R·巴德股份有限公司 | 导管插入装置的血液控制 |
CN106362239A (zh) * | 2016-10-08 | 2017-02-01 | 谢世庚 | 防扎伤静脉留置针 |
USD865956S1 (en) | 2017-01-25 | 2019-11-05 | Becton, Dickinson And Company | Catheter assembly |
USD821574S1 (en) | 2017-01-25 | 2018-06-26 | Becton, Dickinson And Company | Needle hub |
USD859651S1 (en) | 2017-01-25 | 2019-09-10 | Becton, Dickinson And Company | Catheter hub |
USD858755S1 (en) | 2017-01-25 | 2019-09-03 | Becton, Dickinson And Company | Catheter assembly and needle cover |
USD857194S1 (en) | 2017-01-25 | 2019-08-20 | Becton, Dickinson And Company | Needle tip shield |
CA3054969A1 (en) | 2017-03-01 | 2018-09-07 | C.R. Bard, Inc. | Catheter insertion device |
EP3762084B1 (en) | 2018-03-07 | 2024-04-24 | Bard Access Systems, Inc. | Guidewire advancement and blood flashback systems for a medical device insertion system |
USD921884S1 (en) | 2018-07-27 | 2021-06-08 | Bard Access Systems, Inc. | Catheter insertion device |
CN109893713B (zh) * | 2019-03-22 | 2023-11-14 | 江苏苏云医疗器材有限公司 | 防针刺留置针组件 |
WO2021034862A1 (en) | 2019-08-19 | 2021-02-25 | Becton, Dickinson And Company | Midline catheter placement device |
CN117883657A (zh) * | 2023-06-14 | 2024-04-16 | 广州振海医药科技有限公司 | 一种封闭式直型留置针及制备方法 |
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- 2013-04-03 CN CN2013201656894U patent/CN203196075U/zh not_active Expired - Lifetime
-
2014
- 2014-03-03 JP JP2016600016U patent/JP3204337U/ja not_active Expired - Fee Related
- 2014-03-03 WO PCT/CN2014/072790 patent/WO2014161414A1/zh active Application Filing
- 2014-03-03 EP EP14780019.7A patent/EP2982404A1/en not_active Withdrawn
- 2014-03-03 MX MX2015013998A patent/MX2015013998A/es unknown
- 2014-03-17 TW TW103204465U patent/TWM484437U/zh not_active IP Right Cessation
- 2014-04-02 US US14/243,004 patent/US20140303561A1/en not_active Abandoned
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CN101352587B (zh) * | 2007-07-25 | 2012-02-15 | 钱良 | 医疗用防针刺伤装置 |
CN201481960U (zh) * | 2009-05-14 | 2010-05-26 | 江西洪达医疗器械集团有限公司 | 一种安全型静脉留置针 |
CN201481518U (zh) * | 2009-09-11 | 2010-05-26 | 李宝兴 | 可退针芯式内瘘管针 |
CN201832267U (zh) * | 2010-10-15 | 2011-05-18 | 圣光医用制品有限公司 | 一次性安全留置针 |
US20130030370A1 (en) * | 2011-07-25 | 2013-01-31 | Tyco Healthcare Group Lp | Vascular Access Assembly and Safety Device |
CN203196075U (zh) * | 2013-04-03 | 2013-09-18 | 英属维尔京群岛圣采科技投资有限公司 | 防刺留置针的构造 |
Also Published As
Publication number | Publication date |
---|---|
US20140303561A1 (en) | 2014-10-09 |
MX2015013998A (es) | 2016-08-11 |
JP3204337U (ja) | 2016-06-02 |
CN203196075U (zh) | 2013-09-18 |
EP2982404A1 (en) | 2016-02-10 |
TWM484437U (zh) | 2014-08-21 |
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