CN209548470U - A kind of disposable venous infusion needle protective case - Google Patents

A kind of disposable venous infusion needle protective case Download PDF

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Publication number
CN209548470U
CN209548470U CN201821591998.7U CN201821591998U CN209548470U CN 209548470 U CN209548470 U CN 209548470U CN 201821591998 U CN201821591998 U CN 201821591998U CN 209548470 U CN209548470 U CN 209548470U
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CN
China
Prior art keywords
sleeve
limited block
needle
protective case
guide groove
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Active
Application number
CN201821591998.7U
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Chinese (zh)
Inventor
梅艳
曹毅
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Jiangsu Zhiyu Medical Equipment Co ltd
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JIANGSU ZHIYU MEDICAL INSTRUMENT Co Ltd
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Priority to CN201821591998.7U priority Critical patent/CN209548470U/en
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Publication of CN209548470U publication Critical patent/CN209548470U/en
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Abstract

The utility model provides a kind of disposable venous infusion needle protective case, the utility model simple structure and reasonable design;The plugging structure of first sleeve avoids puncture needle syringe needle from being exposed to outer, improves the reliability of protection, reduces medical installation problems;The socket connection of first sleeve and second sleeve, it is easy to use, convenient for promoting the use of, guarantee the compactness of connection.

Description

A kind of disposable venous infusion needle protective case
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of disposable venous infusion needle protective case.
Background technique
Venous transfusion is using atmospheric pressure and fluid pressure principle that a large amount of sterile liquids, electrolyte, drug is defeated by vein Enter intracorporal method, be to be clinically used for correcting water, electrolyte and acid-base imbalance, restores interior ambient stable and maintain body just The critical treatment measure of normal physiological function.
Disposable venous infusion needle is the required medical instruments in venous transfusion, and the disposable transfusion device discarded after use must Centralized recovery is needed, is uniformly processed, during recovery processing, the exposed syringe needle of disposable venous infusion needle is easy to stab medical care people Member, especially when the user of disposable venous infusion needle is hepatitis patient, aids patient, needle, which is stabbed, will lead to medical staff's sense It catches an illness poison, seriously threatens the body and mind and life of medical staff.The existing aseptic measure of disposable venous infusion needle, is mainly adopted The nested structure made of elastic material or rigid plastics, however the protective case of this nested structure cannot have with intravenous infusion needle Effect is fixed, and is easy to loosen, anti-infectious effect is poor.
Utility model content
In order to solve the problems in the existing technology, the utility model provides a kind of disposable venous infusion needle protection Set, have the characteristics that it is easy to use, be not easy to loosen.
The technical solution that the utility model solves the above problems are as follows: a kind of disposable venous infusion needle protective case, including protect Sheath ontology, double-vane transfusion needle, transfusion catheter;
Double-vane transfusion needle is inserted into protective case ontology;
Protective case ontology includes first sleeve, second sleeve, and first sleeve is hollow cylinder structure, first sleeve internal diameter For R1, outer diameter R2;
First sleeve upper surface blocks, and first sleeve cylindrical surface is equipped with guide groove, and guide groove is located at first sleeve The left and right sides, guide groove and first sleeve centerline axis parallel guide groove rectangular cross-section structure, guiding groove width is L1, is led It is L2 to slot length, guiding groove height is H1;
Second sleeve is cylindrical structure, and second sleeve radius is R3, R3 > R2;Second sleeve upper surface is equipped with round convex Platform, round boss central axis are overlapped with second sleeve central axis, and round boss radius is R4, R4=R1;
Second sleeve upper surface is equipped with locating part, and locating part is located at the left and right sides of round boss;Locating part includes Main positive stop strip, the first limited block, the second limited block, main positive stop strip and round boss upper surface are connected as a body structure;Main limit Rectangular cross-section structure, main positive stop strip width are L1, and main positive stop strip length is L2, and main positive stop strip height is H2, H1 < H2;
First limited block, the second limited block are located at the both ends of main positive stop strip, the first limited block, the second limited block and master Positive stop strip is connected as a body structure;Be projected as arc structure of first limited block in horizontal plane, the first limited block inner arc surface institute Pair radius is R2;For second limited block in the arc structure that is projected as of horizontal plane, second limited block exterior arc surface institute's pair radius is R1;
Further, double-vane transfusion needle includes catheter connecting joint, needle handle, puncture needle, catheter connecting joint one end and infusion Conduit connection, the other end are connected to puncture needle, and needle handle is fixed on catheter connecting joint two sides.
Further, needle handle passes through guide groove, and locating part and guide groove cooperate, in main positive stop strip insertion guide groove, Locating part pushes against needle handle.
Further, protective case ontology uses hard material.
Further, it is equipped with hygienic cotton balls in first sleeve or sponge block, hygienic cotton balls or sponge block are fixed on first set Cylinder upper surface.
The utility model has the utility model has the advantages that the utility model simple structure and reasonable design;The closure knot of first sleeve Structure avoids puncture needle syringe needle from being exposed to outer, improves the reliability of protection, reduces medical installation problems;First sleeve and the The socket connection of two sleeves, it is easy to use, convenient for promoting the use of, guarantee the compactness of connection.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model (1).
Fig. 2 is the utility model structure diagram (2).
In figure: 2- double-vane transfusion needle, 3- transfusion catheter, 4- catheter connecting joint, 5- needle handle, 6- puncture needle, 7- first set Cylinder, 8- second sleeve, 9- guide groove, 10- round boss, 11- locating part, the main positive stop strip of 12-, the first limited block of 13-, 14- the Two limited blocks.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further described the utility model.
A kind of disposable venous infusion needle protective case, including protective case ontology, double-vane transfusion needle 2, transfusion catheter 3;
Double-vane transfusion needle 2 includes catheter connecting joint 4, needle handle 5, puncture needle 6,4 one end of catheter connecting joint and transfusion catheter 3 Connection, the other end are connected to puncture needle 6, and needle handle 5 is fixed on 4 two sides of catheter connecting joint;
Double-vane transfusion needle 2 is inserted into protective case ontology;
Protective case ontology is plastic part, and protective case ontology includes first sleeve 7, second sleeve 8, and first sleeve 7 is hollow Cylindrical structure, 7 internal diameter of first sleeve are R1, outer diameter R2;
7 upper surface of first sleeve blocks, and hygienic cotton balls is equipped in first sleeve 7, and hygienic cotton balls is bonded in first sleeve 7 End face;7 cylindrical surface of first sleeve is equipped with guide groove 9, and guide groove 9 is located at the left and right sides of first sleeve 7, guide groove 9 With 7 centerline axis parallel of first sleeve, 9 rectangular cross-section structure of guide groove, 9 width of guide groove is L1, and 9 length of guide groove is L2,9 height of guide groove are H1;
Second sleeve 8 is cylindrical structure, and 8 radius of second sleeve is R3, R3 > R2;8 upper surface of second sleeve is equipped with circle Boss 10,10 central axis of round boss are overlapped with 8 central axis of second sleeve, and 10 radius of round boss is R4, R4=R1;
8 upper surface of second sleeve is equipped with locating part 11, and locating part 11 is located at the left and right sides of round boss 10;Limit Part 11 includes main positive stop strip 12, the first limited block 13, the second limited block 14, and main positive stop strip 12 is connected as a body with round boss 10 Structure;Main 12 rectangular cross-section structure of positive stop strip, main 12 width of positive stop strip are L1, and main 12 length of positive stop strip is L2, main positive stop strip 12 height are H2, H2 < H1;
First limited block 13, the second limited block 14 are located at the both ends of main positive stop strip 12, the first limited block 13, second limit Position block 14 and main positive stop strip 12 are connected as a body structure;Be projected as arc structure of first limited block 13 in horizontal plane, the first limit Position 13 inner arc surface institute's pair radius of block is R2;Be projected as arc structure of second limited block 14 in horizontal plane, the second limited block 14 Exterior arc surface institute's pair radius be R1, the first limited block 13,14 central axis of the second limited block with 8 central axis weight of second sleeve It closes;
After the completion of patient's infusion, medical staff takes out puncture needle 6 from the patient, cuts transfusion catheter 3, will be double Wing transfusion needle 2 is inserted into protective case ontology, and needle handle 5 is inserted into guide groove 9, pushes needle handle 5 to travel forward along guide groove 9, needle handle 5 After upper surface pushes against 9 upper surface of guide groove, locating part 11 is inserted into guide groove 9, main positive stop strip 12 and 9 phase interworking of guide groove It closes, 11 upper surface of locating part pushes against 5 lower end surface of needle handle, the frictional force between main positive stop strip 12 and guide groove 9, the first limited block 13, the frictional force of the second limited block 14 and second sleeve 8, second sleeve 8 and first sleeve 7 are clamped.
Many other changes and modifications may be made without departing from the spirit and scope of the utility model.It should be appreciated that this reality It is not limited to specific embodiment with novel, the scope of the utility model is defined by the following claims.

Claims (4)

1. a kind of disposable venous infusion needle protective case, which is characterized in that led including protective case ontology, double-vane transfusion needle, infusion Pipe;
Double-vane transfusion needle is inserted into protective case ontology;
Protective case ontology includes first sleeve, second sleeve, and first sleeve is hollow cylinder structure, and first sleeve internal diameter is R1, outer diameter R2;
First sleeve upper surface blocks, and first sleeve cylindrical surface is equipped with guide groove, and guide groove is located at a left side for first sleeve Right two sides, guide groove and first sleeve centerline axis parallel guide groove rectangular cross-section structure, guiding groove width are L1, guide groove Length is L2, and guiding groove height is H1;
Second sleeve is cylindrical structure, and second sleeve radius is R3, R3 > R2;Second sleeve upper surface is equipped with round boss, circle Shape boss central axis is overlapped with second sleeve central axis, and round boss radius is R4, R4=R1;
Second sleeve upper surface is equipped with locating part, and locating part is located at the left and right sides of round boss;Locating part includes main limit Position item, the first limited block, the second limited block, main positive stop strip and round boss upper surface are connected as a body structure;Main positive stop strip is cut Face is rectangular configuration, and main positive stop strip width is L1, and main positive stop strip length is L2, and main positive stop strip height is H2, H1 < H2;
First limited block, the second limited block are located at the both ends of main positive stop strip, the first limited block, the second limited block and main limit Item is connected as a body structure;First limited block is in the arc structure that is projected as of horizontal plane, and the first limited block inner arc surface institute is half-and-half Diameter is R2;For second limited block in the arc structure that is projected as of horizontal plane, second limited block exterior arc surface institute's pair radius is R1.
2. a kind of disposable venous infusion needle protective case as described in claim 1, which is characterized in that the double-vane transfusion needle packet Catheter connecting joint, needle handle, puncture needle are included, catheter connecting joint one end is connected to transfusion catheter, and the other end is connected to puncture needle, Needle handle is fixed on catheter connecting joint two sides.
3. a kind of disposable venous infusion needle protective case as claimed in claim 2, which is characterized in that the needle handle passes through guiding Slot, locating part and guide groove cooperate, and in main positive stop strip insertion guide groove, locating part pushes against needle handle.
4. a kind of disposable venous infusion needle protective case as described in claim 1, which is characterized in that the protective case ontology is adopted Use hard material.
CN201821591998.7U 2018-09-28 2018-09-28 A kind of disposable venous infusion needle protective case Active CN209548470U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821591998.7U CN209548470U (en) 2018-09-28 2018-09-28 A kind of disposable venous infusion needle protective case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821591998.7U CN209548470U (en) 2018-09-28 2018-09-28 A kind of disposable venous infusion needle protective case

Publications (1)

Publication Number Publication Date
CN209548470U true CN209548470U (en) 2019-10-29

Family

ID=68298254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821591998.7U Active CN209548470U (en) 2018-09-28 2018-09-28 A kind of disposable venous infusion needle protective case

Country Status (1)

Country Link
CN (1) CN209548470U (en)

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Address after: 225400 No. 88, Nanyuan Road, Dasheng Industrial Park, Jichuan Street, Taixing City, Taizhou City, Jiangsu Province

Patentee after: Jiangsu Zhiyu Medical Equipment Co.,Ltd.

Address before: 225400 No. 88, Nanyuan Road, Dasheng Industrial Park, Jichuan Street, Taixing City, Taizhou City, Jiangsu Province

Patentee before: JIANGSU ZHIYU MEDICAL EQUIPMENT CO.,LTD.

CP01 Change in the name or title of a patent holder