CN108785848B - Anesthesia catheter connector - Google Patents

Anesthesia catheter connector Download PDF

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Publication number
CN108785848B
CN108785848B CN201811044202.0A CN201811044202A CN108785848B CN 108785848 B CN108785848 B CN 108785848B CN 201811044202 A CN201811044202 A CN 201811044202A CN 108785848 B CN108785848 B CN 108785848B
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China
Prior art keywords
half part
upper half
cavity
lower half
connector body
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Application number
CN201811044202.0A
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Chinese (zh)
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CN108785848A (en
Inventor
兰天星
卢言京
李朝东
兰天太
焦连成
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Linyi Xinghua Medical Equipment Co ltd
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Linyi Xinghua Medical Equipment Co ltd
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Priority to CN201811044202.0A priority Critical patent/CN108785848B/en
Publication of CN108785848A publication Critical patent/CN108785848A/en
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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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • A61M39/1011Locking means for securing connection; Additional tamper safeties
    • 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10Tube connectors; Tube couplings
    • A61M39/12Tube connectors; Tube couplings for joining a flexible tube to a rigid attachment
    • 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/20Closure caps or plugs for connectors or open ends of tubes
    • 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
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/04Liquids
    • A61M2202/0468Liquids non-physiological
    • A61M2202/048Anaesthetics

Abstract

The anesthesia catheter connector comprises a connector body and a protective cap fastened on the connector body, wherein the connector body comprises an upper half part and a lower half part which are matched with each other, the upper half part is arranged in a hollow mode and forms a cavity in the upper half part, and an annular boss is arranged on the upper half part in the cavity along the circumferential direction of the upper half part to divide the cavity into an upper cavity and a lower cavity; a through hole communicated with the cavity is arranged in the center of the upper half part; a locking device is arranged on two contact surfaces of the bottom end of the upper half part and the top end of the lower half part; the connector body is divided into an upper part and a lower part, an elastic piece is arranged in the middle of the lower part, when the buckle rotates to enable the connector body to be in complete contact with the upper part and the lower part, the elastic piece is extruded and locked completely, a conduit inserted into a hole in the elastic piece is locked by the elastic piece, firstly, the condition that the conduit is unlocked and leaks liquid is avoided, and secondly, the condition that the conduit is locked too tightly to cause deformation of a pipeline to influence flow and even blockage is avoided.

Description

Anesthesia catheter connector
Technical field:
the present invention relates to an anesthetic tube connector.
The background technology is as follows:
the epidural nerve block in the prior art is an anesthesia method widely applied clinically, has the advantages of simplicity in operation, low cost, easiness in management in operation, convenience in epidural analgesia after operation and the like, and the main components used in the anesthesia method are anesthesia catheters, and as the outer diameter of the anesthesia catheters is generally smaller than 1mm and cannot be directly connected with an infusion device, an anesthesia catheter connector needs to be connected in advance when medicine is infused, one end of the connector is connected with the anesthesia catheter, and the other end of the connector is connected with the infusion device. The traditional anesthetic catheter connector locks the catheter by adopting a mode of rotationally pressing the elastic piece, so that the method cannot determine the locking degree of the catheter, and the phenomenon that the catheter is not locked and leaks liquid or the locking is too tight to cause deformation of a pipeline to influence the flow and even blockage easily occurs.
The invention comprises the following steps:
the invention provides an anesthetic catheter connector, when transfusion is stopped, a protective cap can seal a connecting piece on a connector body so as to ensure that bacteria, particles and the like cannot enter a human body through the connecting piece; in addition, when the buckle rotates to enable the connector body to be in complete contact up and down, the elastic piece is extruded and locked completely, the guide pipe inserted into the hole in the elastic piece is locked by the elastic piece, firstly, the phenomenon that the guide pipe is unlocked and leaks liquid is avoided, and secondly, the phenomenon that the deformation of the pipeline affects the flow and even the blockage phenomenon is avoided due to the fact that the guide pipe is locked too tightly is avoided; solves the problems existing in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the anesthesia catheter connector comprises a connector body and a protective cap fastened on the connector body, wherein the connector body comprises an upper half part and a lower half part which are matched with each other, the upper half part is arranged in a hollow mode and forms a cavity in the upper half part, and an annular boss is arranged on the upper half part in the cavity along the circumferential direction of the upper half part to divide the cavity into an upper cavity and a lower cavity; a through hole communicated with the cavity is arranged in the center of the upper half part; a locking device is arranged on two contact surfaces of the bottom end of the upper half part and the top end of the lower half part; a flat elastic piece which can be inserted into the lower cavity is arranged on the lower half part, and a hose is inserted into the elastic piece.
The locking device is a clamping groove arranged at two ends of the upper half part and a buckle which is arranged at two ends of the lower half part and matched with the clamping groove.
The elastic piece is two valve bodies which are oppositely arranged at intervals and are provided with grooves for the hose to pass through.
And a limiting device is arranged on two contact surfaces of the bottom end of the upper half part and the top end of the lower half part.
The limiting device is a limiting clamp protrusion arranged at the bottom end part of the upper half part and a limiting groove matched with the limiting clamp protrusion and arranged at the top end part of the lower half part, and the limiting clamp protrusion moves in the limiting groove.
The limiting clamp protrusions and the limiting grooves are respectively two matched with each other and are uniformly distributed.
Elastic sleeves are arranged on the outer side walls of the upper half and/or the lower half.
An opening for the insertion tube to pass through is arranged on the front surface of the bottom of the lower half part; the opening gradually extends outwards from inside to outside.
The connector body is connected with the protective cap through threads, and anti-skid lines are arranged on the outer side wall of the protective cap.
A hollow convex column with an external opening is arranged on the inner side wall of the protective cap; the top end of the protective cap is provided with a groove matched with the infusion device, and the groove is a cross groove.
The invention adopts the structure, has reasonable structural design, and can seal the connecting piece on the connector body through the connector body and the protective cap buckled on the connector body when transfusion is stopped, so as to ensure that bacteria, particles and the like cannot enter human bodies through the connecting piece; in addition, the connector body is divided into an upper part and a lower part, an elastic piece is arranged in the middle of the lower part, when the buckle rotates to enable the connector body to be in complete contact with the upper part and the lower part, the elastic piece is extruded and locked completely, a guide pipe inserted into a hole in the elastic piece is locked by the elastic piece, firstly, the phenomenon that the guide pipe is unlocked and leaks is avoided, and secondly, the phenomenon that the guide pipe is locked too tightly to cause deformation of a pipeline to influence flow and even blockage is avoided.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic rear view of the structure of fig. 1.
Fig. 3 is a schematic cross-sectional view of fig. 1.
Fig. 4 is a schematic cross-sectional view of the lower half of the invention.
Fig. 5 is a schematic cross-sectional view of fig. 4 rotated 45 degrees.
Fig. 6 is a schematic view of the upper part of the invention.
Fig. 7 is a schematic top view of the upper half of the invention.
Fig. 8 is a schematic top view of the lower half of the invention.
Fig. 9 is a schematic structural view of the buckle in the invention.
In the figure: 1. the connector comprises a connector body, 2, a protective cap, 3, an upper half part, 4, a lower half part, 5, a cavity, 6, a through hole, 10, an elastic piece, 11, a hose, 12, a clamping groove, 13, a buckle, 14, a flap body, 15, a limiting clamping protrusion, 16, a limiting groove, 17, an elastic sleeve, 18, an opening, 19 and an annular boss.
The specific embodiment is as follows:
in order to clearly illustrate the technical features of the present solution, the present invention will be described in detail below with reference to the following detailed description and the accompanying drawings.
As shown in fig. 1-9, an anesthesia catheter connector comprises a connector body 1 and a protective cap 2 fastened on the connector body 1, wherein the connector body 1 comprises an upper half 3 and a lower half 4 which are matched with each other, the upper half 3 is arranged in a hollow way and forms a cavity 5 in the interior of the upper half 3, and an annular boss 19 is arranged on the upper half 3 in the cavity 5 along the circumferential direction of the upper half 3 to divide the cavity into an upper cavity and a lower cavity; a through hole 6 communicated with the cavity 5 is arranged in the center of the upper half part 3; a locking device is arranged on two contact surfaces of the bottom end of the upper half part 3 and the top end of the lower half part 4; a flat elastic element 10 is provided on the lower half 4, which can be inserted into the lower cavity, and a hose 11 is inserted into the elastic element 10.
The locking device comprises clamping grooves 12 arranged at two ends of the upper half part 3 and buckles 13 which are arranged at two ends of the lower half part 4 and matched with the clamping grooves 12.
The elastic member 10 is two flaps 14 which are oppositely arranged at intervals and are provided with grooves for the hose 11 to pass through.
A limiting device is arranged on two contact surfaces of the bottom end of the upper half part 3 and the top end of the lower half part 4.
The limiting device comprises a limiting clamp protrusion 15 arranged at the bottom end part of the upper half part 3 and a limiting groove 16 arranged at the top end part of the lower half part 4 and matched with the limiting clamp protrusion 15, and the limiting clamp protrusion 15 moves in the limiting groove 16.
The limiting clamp protrusions 15 and the limiting grooves 16 are respectively two matched with each other and are uniformly distributed.
Elastic sleeves 17 are provided on the outer side walls of the upper half 3 and/or the lower half 4.
An opening 18 for the insertion tube to pass through is arranged on the front surface of the bottom of the lower half part 4; the opening 18 extends gradually outwards from inside to outside.
The connector body 1 and the protective cap 2 are connected through threads, and anti-skid lines are arranged on the outer side wall of the protective cap 2.
A hollow convex column with an external opening 18 is arranged on the inner side wall of the protective cap 2; the top end of the protective cap 2 is provided with a groove matched with the infusion device, and the groove is a cross groove.
The protective cap 2 and the joint body 1 are injection molding pieces.
The elastic member 10 is made of rubber, silica gel or thermoplastic elastomer.
When in use, the protective cap 2 is taken down from the connector body 1, the lower half 4 is rotated to lead the buckle 13 to be separated from the clamping groove 12, at the moment, the elastic piece 10 is in an open state, and then a connecting piece positioned at the top of the connector body 1 is connected with an infusion appliance, wherein the connecting piece can be a luer connector or a medical liquid small-aperture connecting piece, and the like; then the anesthetic tube is inserted into the lower half 4 through the opening 18 on the lower half 4 and passes through the hose and the lower cavity in the elastic piece 10 of the lower half 4 until the anesthetic tube is abutted against the bottom end of the through hole 6, and then the lower half 4 is reversely rotated to enable the buckle 13 to be buckled in the clamping groove 12, at the moment, the elastic piece 10 is in a locking state, and the anesthetic tube connector connects and locks the anesthetic tube and the infusion apparatus; after the infusion is finished, the lower half 4 is rotated, after the buckle 13 is separated from the clamping groove 12, the anesthetic tube and the infusion apparatus are pulled out, after the infusion is finished, the protective cap 2 is covered on the connecting piece to seal the connecting piece, bacteria and particles are prevented from entering the connector through the connecting piece, and the bacteria enter the human body along the connector when the infusion is next time.
The above embodiments are not to be taken as limiting the scope of the invention, and any alternatives or modifications to the embodiments of the invention will be apparent to those skilled in the art and fall within the scope of the invention.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.

Claims (8)

1. An anesthesia catheter connector, characterized by: the connector comprises a connector body and a protective cap fastened on the connector body, wherein the connector body comprises an upper half part and a lower half part which are matched with each other, the upper half part is arranged in a hollow way and forms a cavity in the upper half part, and an annular boss is arranged on the upper half part in the cavity along the circumferential direction of the upper half part to divide the cavity into an upper cavity and a lower cavity; a through hole communicated with the cavity is arranged in the center of the upper half part; a locking device is arranged on two contact surfaces of the bottom end of the upper half part and the top end of the lower half part; the locking device is a clamping groove arranged at two ends of the upper half part and a buckle which is arranged at two ends of the lower half part and matched with the clamping groove; a flat elastic piece which can be inserted into the lower cavity is arranged on the lower half part, and a hose is inserted into the elastic piece; the elastic piece is two valve bodies which are oppositely arranged at intervals and are provided with grooves for the hose to pass through;
the lower half part is reversely rotated to enable the buckle to be buckled in the clamping groove, at the moment, the elastic piece is in a locking state, and the anesthesia catheter connector is used for connecting and locking the anesthesia catheter and the infusion appliance; after the infusion is completed, the lower half part is rotated, so that after the buckle is separated from the clamping groove, the anesthetic tube and the infusion device are pulled out.
2. An anesthesia catheter connector according to claim 1, characterized in that: and a limiting device is arranged on two contact surfaces of the bottom end of the upper half part and the top end of the lower half part.
3. An anesthesia catheter connector according to claim 2, characterized in that: the limiting device is a limiting clamp protrusion arranged at the bottom end part of the upper half part and a limiting groove matched with the limiting clamp protrusion and arranged at the top end part of the lower half part, and the limiting clamp protrusion moves in the limiting groove.
4. An anesthesia catheter connector according to claim 3, characterized in that: the limiting clamp protrusions and the limiting grooves are respectively two matched with each other and are uniformly distributed.
5. An anesthesia catheter connector according to claim 1, characterized in that: elastic sleeves are arranged on the outer side walls of the upper half and/or the lower half.
6. An anesthesia catheter connector according to claim 1, characterized in that: an opening for the insertion tube to pass through is arranged on the front surface of the bottom of the lower half part; the opening gradually extends outwards from inside to outside.
7. An anesthesia catheter connector according to claim 1, characterized in that: the connector body is connected with the protective cap through threads, and anti-skid lines are arranged on the outer side wall of the protective cap.
8. An anaesthetic catheter connector according to claim 1 or 7 wherein: a hollow convex column with an external opening is arranged on the inner side wall of the protective cap; the top end of the protective cap is provided with a groove matched with the infusion device, and the groove is a cross groove.
CN201811044202.0A 2018-09-07 2018-09-07 Anesthesia catheter connector Active CN108785848B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811044202.0A CN108785848B (en) 2018-09-07 2018-09-07 Anesthesia catheter connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811044202.0A CN108785848B (en) 2018-09-07 2018-09-07 Anesthesia catheter connector

Publications (2)

Publication Number Publication Date
CN108785848A CN108785848A (en) 2018-11-13
CN108785848B true CN108785848B (en) 2023-11-21

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ID=64082098

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811044202.0A Active CN108785848B (en) 2018-09-07 2018-09-07 Anesthesia catheter connector

Country Status (1)

Country Link
CN (1) CN108785848B (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2461587Y (en) * 2000-01-12 2001-11-28 李汉斌 Detatachable tube assembly
CN2776423Y (en) * 2005-03-31 2006-05-03 中国医学科学院生物医学工程研究所 Imbedded type medicine delivery conduit pipe
CN101068592A (en) * 2004-11-05 2007-11-07 Icu医疗公司 Soft-grip medical connector
CN101584908A (en) * 2008-05-21 2009-11-25 伯尔拉工业有限公司 The valve connector that is used for medical lines
CN103212152A (en) * 2012-01-24 2013-07-24 伯尔拉工业有限公司 Connector for medical lines
CN203169824U (en) * 2013-03-14 2013-09-04 业聚医疗器械(深圳)有限公司 Male Luer connector capable of preventing blood leakage
CN104023786A (en) * 2011-12-27 2014-09-03 尼普洛株式会社 Needleless connector
CN204840660U (en) * 2015-07-13 2015-12-09 南昌贝欧特医疗科技股份有限公司 Novel anesthesia pipe joint
CN105247257A (en) * 2013-03-29 2016-01-13 Emd密理博公司 Sterile connection/disconnection coupling and method
CN206730272U (en) * 2017-01-04 2017-12-12 临沂市兴华医用器材有限公司 A kind of anesthetic tube connector with stopper
CN208974970U (en) * 2018-09-07 2019-06-14 临沂市兴华医用器材有限公司 A kind of anesthetic tube connector

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7896863B2 (en) * 2007-06-27 2011-03-01 Tyco Healthcare Group Lp Positive displacement fluid lock port

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2461587Y (en) * 2000-01-12 2001-11-28 李汉斌 Detatachable tube assembly
CN101068592A (en) * 2004-11-05 2007-11-07 Icu医疗公司 Soft-grip medical connector
CN2776423Y (en) * 2005-03-31 2006-05-03 中国医学科学院生物医学工程研究所 Imbedded type medicine delivery conduit pipe
CN101584908A (en) * 2008-05-21 2009-11-25 伯尔拉工业有限公司 The valve connector that is used for medical lines
CN104023786A (en) * 2011-12-27 2014-09-03 尼普洛株式会社 Needleless connector
CN103212152A (en) * 2012-01-24 2013-07-24 伯尔拉工业有限公司 Connector for medical lines
CN203169824U (en) * 2013-03-14 2013-09-04 业聚医疗器械(深圳)有限公司 Male Luer connector capable of preventing blood leakage
CN105247257A (en) * 2013-03-29 2016-01-13 Emd密理博公司 Sterile connection/disconnection coupling and method
CN204840660U (en) * 2015-07-13 2015-12-09 南昌贝欧特医疗科技股份有限公司 Novel anesthesia pipe joint
CN206730272U (en) * 2017-01-04 2017-12-12 临沂市兴华医用器材有限公司 A kind of anesthetic tube connector with stopper
CN208974970U (en) * 2018-09-07 2019-06-14 临沂市兴华医用器材有限公司 A kind of anesthetic tube connector

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