CN106039468A - Intravascular indwelling catheter - Google Patents

Intravascular indwelling catheter Download PDF

Info

Publication number
CN106039468A
CN106039468A CN201610635119.5A CN201610635119A CN106039468A CN 106039468 A CN106039468 A CN 106039468A CN 201610635119 A CN201610635119 A CN 201610635119A CN 106039468 A CN106039468 A CN 106039468A
Authority
CN
China
Prior art keywords
catheter
conduit
inlying catheter
ink vessel
vessel transfusing
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.)
Pending
Application number
CN201610635119.5A
Other languages
Chinese (zh)
Inventor
赵鹏
赵永利
闫志新
张兰春
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.)
First Affiliated Hospital of Xinxiang Medical University
Original Assignee
First Affiliated Hospital of Xinxiang Medical 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 First Affiliated Hospital of Xinxiang Medical University filed Critical First Affiliated Hospital of Xinxiang Medical University
Priority to CN201610635119.5A priority Critical patent/CN106039468A/en
Publication of CN106039468A publication Critical patent/CN106039468A/en
Pending legal-status Critical Current

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
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/005Ingredients of undetermined constitution or reaction products thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/02Inorganic materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/04Macromolecular materials
    • A61L29/06Macromolecular materials obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L29/00Materials for catheters, medical tubing, cannulae, or endoscopes or for coating catheters
    • A61L29/14Materials characterised by their function or physical properties, e.g. lubricating compositions
    • 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0043Catheters; Hollow probes characterised by structural features
    • 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
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/158Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
    • A61M2005/1587Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body suitable for being connected to an infusion line after insertion into a patient
    • 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/0021Catheters; Hollow probes characterised by the form of the tubing
    • A61M25/0023Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
    • A61M25/0026Multi-lumen catheters with stationary elements
    • A61M2025/0039Multi-lumen catheters with stationary elements characterized by lumina being arranged coaxially
    • 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/02General characteristics of the apparatus characterised by a particular materials

Abstract

The invention discloses an intravascular indwelling catheter which is composed of a needle core, a catheter body, a three-way catheter body, an isolation plug, a lengthened catheter body and a heparin cap. The outer side of the catheter body is movably sleeved with a protective sleeve, the catheter body is integrally manufactured and formed by the indwelling catheter and an externally-arranged catheter, the indwelling catheter is smaller than the externally-arranged catheter in inner diameter, a clamping strip is axially arranged on the inner side wall of the externally-arranged catheter, the cross section of the clamping strip is of an inverted 'T'-shaped structure, the length of the externally-arranged catheter is 0.1-0.3 time of the length of the indwelling catheter, a needle core seat is arranged at the rear end of the needle core, a groove is formed in the needle core seat and is correspondingly matched with the clamping strip, and the catheter body is made from a polyurethane material. A catheter body structure and a needle core structure are optimized and improved, the phenomenon of rotary offset of the catheter body in the puncture process of an indwelling catheter can be avoided by utilizing alignment of the clamping strip and the groove, convenience is brought to operation of a medical worker, and the success rate is improved. In addition, the proportion and size are optimized, the puncture influence is reduced, and the intravascular indwelling catheter has the advantages of being simple in design, quick and convenient to operate and high in success rate.

Description

A kind of Ink vessel transfusing inlying catheter
Technical field
The present invention relates to field of medical article technology, particularly to a kind of Ink vessel transfusing inlying catheter.
Background technology
Venous detaining needle is also known as venous catheter needle, and the building block of core includes being retained in leading of endovascular softness Pipe, and stainless guiding puncture nook closing member.During use, conduit is punctured into together with nook closing member Ink vessel transfusing, when conduit fully enters After blood vessel, withdraw out nook closing member, only soft catheter retaining at Ink vessel transfusing thus is carried out infusion treatment.Use venous detaining needle pin When patient is carried out vein puncture, owing to easily occurring sliding between puncture needle core and conduit, it is easily caused needle point and thrusts vein Ink vessel transfusing and conduit still causes indwelling tube to send tube failure outside wall of vein, the most existing needle handle of holding generally uses circular arc flank, When causing medical personnel to operate propelling movement, easily occur pushing to slide, cause that puncture failure occurs, increase patient suffering, the most existing lead Generally there is the defect that antibiotic property, weatherability and corrosion resistance are the most poor in tube material, cannot meet the requirement of modern medical service.
Summary of the invention
It is an object of the invention to solve above-mentioned deficiency, it is provided that a kind of Ink vessel transfusing inlying catheter, have and design simple, operation The feature that convenient, success rate is high, and the tube material used has good elasticity, antibiotic property, weatherability, corrosion resistance, blood Liquid phase capacitive and native blood vessels comply with performance.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of Ink vessel transfusing inlying catheter, by nook closing member, is positioned at the conduit outside described nook closing member, connects the three of described tube at one end Admittance pipe, it is positioned at elongate catheter that the batching pig of described threeway rear end of conduit communicates with described threeway tube at one end and is positioned at institute The calparine cap stating elongate catheter rear end is constituted, and outside described conduit, activity is cased with a protective jacket, and described conduit is by interior inlying catheter Molding integrally manufactured with external conduit, described interior inlying catheter internal diameter is less than described external catheter diameter, in described external conduit Sidewall is axially arranged with a card article, and described card sliver transvers section is inverse-T-shaped structure, and described external catheter length is that described interior indwelling is led 0.1 times-0.3 times of length of tube, described nook closing member rear end is provided with a needle core base, is provided with a groove, described groove in described needle core base Being corresponding matching with described card article, described conduit is prepared from by the raw material of following weight portion:
Isocyanates PM200, Sucrose polyethers polyhydric alcohol 30-50 part, glycerin polyether polyhydric alcohol 20-30 part, cross-linking agent 2-5 Part, surfactant 3-5 part, chemicals-resistant modifying agent 5-10 part, heat filling 10-20 part, infrared external reflection titanium dioxide 3.6- 5.4 parts, light stabilizer 0.7-1.3 part, catalyst 0.6-1.4 part, Fructus Sapindi Mukouossi Fructus Gleditsia alcohol extraction thing 5-10 part.
Described protective jacket length is more than described catheter length, and described protective jacket wall thickness dimension is 0.08mm-0.12mm.
Described batching pig side is provided with one and holds needle handle, described in hold needle handle be sector structure, described in hold needle handle both side surface It is provided with some antiskid particles.
Described external catheter length is 0.15 times of described interior inlying catheter length.
Described chemicals-resistant modifying agent is the acrylic acid series additive containing perfluoroalkyl.
Described infrared external reflection titanium dioxide particle diameter is 1000nm-1300nm, TiO2Content is 80%-90%, and surface is wrapped Coating SiO2With Al2O3Content be 10-20%.
Described light stabilizer be ultraviolet absorbent UV-531, UV absorbent UVP-327, light stabilizer 744 with And one or more mixture in UV absorbent UV-9.
Described heat filling is magnesium oxide, zinc oxide, aluminium hydroxide, boron nitride, aluminium nitride in mass ratio 1;1∶2∶3∶1 Mixing gained, the particle diameter of described heat filling is more than 98% in 0.5um-2.0um, purity.
Described catalyst is amines catalyst, metal gellike type catalyst and metal class catalyst for trimerization in mass ratio 2; 1;3 mixing gained;Described cross-linking agent is glycerol and/or triethanolamine;Described surfactant is surfactant B 8525 And/or surfactant LK221.
The present invention compared with prior art has following outstanding advantages and an effect:
Optimal improvements guide-tube structure of the present invention and nook closing member structure, utilize the para-position of card article and groove that remaining needle can be avoided to exist Piercing process occurs the phenomenon of conduit rotation offset, facilitates medical personnel to operate, improve success rate, simultaneously optimized proportion chi Very little, reduce puncture impact, have that design is simple, simple operation, feature that success rate is high, the tube material simultaneously used tool Have good elasticity, antibiotic property, weatherability, corrosion resistance, blood compatibility and native blood vessels complies with performance.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;
Fig. 2 is conduit and the nook closing member axial sectional structure schematic diagram of the embodiment of the present invention;
Fig. 3 is external conduit and the nook closing member horizontal sectional structure schematic diagram of the embodiment of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot Conjunction is specifically illustrating, and the present invention is expanded on further.
As shown in Figure 1 to Figure 3, a kind of Ink vessel transfusing inlying catheter that the present invention provides, by nook closing member 1, it is positioned at outside nook closing member 1 Conduit 2, the threeway conduit 4 connecting conduit 2 one end, the batching pig 5 that is positioned at threeway conduit 4 rear end communicate with threeway conduit 4 one end Elongate catheter 6 and be positioned at the calparine cap 7 of elongate catheter 6 rear end and constitute, batching pig 5 side is provided with one and holds needle handle 51, holds needle handle 51 in sector structure, and the straight flange side of sector is rearward position, facilitates medical personnel to push, and holds in needle handle 51 both side surface It is provided with some antiskid particles 52, facilitates medical personnel to be affectedly bashful, it is to avoid occur sliding, improve operational stability, movable outside conduit 2 Being cased with a protective jacket 3, protective jacket 3 length is more than conduit 2 length, and protective jacket 3 wall thickness dimension is 0.08mm-0.12mm, and raising is led The protective action of pipe 2, conduit 2 is by interior inlying catheter 22 and the external integrally manufactured molding of conduit 21, easily manufactured, interior inlying catheter 22 internal diameters are less than external conduit 21 internal diameter, and external conduit 21 medial wall is axially arranged with a card article 23, and card article 23 cross section is inverted " t " Shape structure, 0.1 times-0.3 times of a length of interior inlying catheter 22 length of external conduit 21, nook closing member 1 rear end is provided with a needle core base 11, Being provided with a groove 12 in needle core base 11, groove 12 and card article 23, in corresponding matching, are designed by optimization, use this structure screens pair Connect, the stability of screens can be improved, it is to avoid occur that conduit 2 occurs unusual fluctuation in piercing process, improve stablizing of integrated piercing Property, increasing puncture success rate, described conduit is prepared from by the raw material of following weight portion:
Isocyanates PM200, Sucrose polyethers polyhydric alcohol 30-50 part, glycerin polyether polyhydric alcohol 20-30 part, cross-linking agent 2-5 Part, surfactant 3-5 part, chemicals-resistant modifying agent 5-10 part, heat filling 10-20 part, infrared external reflection titanium dioxide 3.6- 5.4 parts, light stabilizer 0.7-1.3 part, catalyst 0.6-1.4 part, Fructus Sapindi Mukouossi Fructus Gleditsia alcohol extraction thing 5-10 part.
Described chemicals-resistant modifying agent is the acrylic acid series additive containing perfluoroalkyl.
Described infrared external reflection titanium dioxide particle diameter is 1000nm-1300nm, TiO2Content is 80%-90%, and surface is wrapped Coating SiO2With Al2O3Content be 10-20%.
Described light stabilizer be ultraviolet absorbent UV-531, UV absorbent UVP-327, light stabilizer 744 with And one or more mixture in UV absorbent UV-9.
Described heat filling is magnesium oxide, zinc oxide, aluminium hydroxide, boron nitride, aluminium nitride in mass ratio 1: 1: 2: 3: 1 Mixing gained, the particle diameter of described heat filling is more than 98% in 0.5um-2.0um, purity.
Described catalyst is amines catalyst, metal gellike type catalyst and metal class catalyst for trimerization in mass ratio 2; 1;3 mixing gained;Described cross-linking agent is glycerol and/or triethanolamine;Described surfactant is surfactant B 8525 And/or surfactant LK221
Further, 0.15 times of a length of interior inlying catheter 22 length of the external conduit of the present invention 21.
Optimal improvements conduit 2 structure of the present invention and nook closing member 1 structure, utilize the para-position of card article 23 and groove 12 can avoid staying Put pin and the phenomenon of conduit rotation offset occurs in piercing process, facilitate medical personnel to operate, improve success rate, optimize ratio simultaneously Example size, reduces puncture impact, have that design is simple, simple operation, feature that success rate is high.
As known by the technical knowledge, the present invention can be by other essence without departing from its spirit or the embodiment party of essential feature Case realizes.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only.Institute The change within the scope of the present invention or within being equal to the scope of the present invention is had all to be included in the invention.

Claims (9)

1. an Ink vessel transfusing inlying catheter, by nook closing member, is positioned at the conduit outside described nook closing member, connects the threeway of described tube at one end Conduit, it is positioned at elongate catheter that the batching pig of described threeway rear end of conduit communicates with described threeway tube at one end and is positioned at described The calparine cap of elongate catheter rear end is constituted, and outside described conduit, activity is cased with a protective jacket, it is characterised in that: described conduit is by interior Inlying catheter and the integrally manufactured molding of external conduit, described interior inlying catheter internal diameter is less than described external catheter diameter, described outside Putting conduit medial wall and be axially arranged with a card article, described card sliver transvers section is inverse-T-shaped structure, and described external catheter length is described 0.1 times-0.3 times of interior inlying catheter length, described nook closing member rear end is provided with a needle core base, is provided with a groove in described needle core base, Described groove and described card article are corresponding matching, and described conduit is prepared from by the raw material of following weight portion:
Isocyanates PM200, Sucrose polyethers polyhydric alcohol 30-50 part, glycerin polyether polyhydric alcohol 20-30 part, cross-linking agent 2-5 part, table Face activating agent 3-5 part, chemicals-resistant modifying agent 5-10 part, heat filling 10-20 part, infrared external reflection titanium dioxide 3.6-5.4 part, Light stabilizer 0.7-1.3 part, catalyst 0.6-1.4 part, Fructus Sapindi Mukouossi Fructus Gleditsia alcohol extraction thing 5-10 part.
A kind of Ink vessel transfusing inlying catheter the most according to claim 1, it is characterised in that: described protective jacket length is more than described Catheter length, described protective jacket wall thickness dimension is 0.08mm-0.12mm.
A kind of Ink vessel transfusing inlying catheter the most according to claim 1, it is characterised in that: described batching pig side is provided with one and holds Needle handle, described in hold needle handle be sector structure, described in hold needle handle both side surface and be provided with some antiskid particles.
A kind of Ink vessel transfusing inlying catheter the most according to claim 1, it is characterised in that: described external catheter length is described 0.15 times of interior inlying catheter length.
A kind of Ink vessel transfusing inlying catheter the most according to claim 1, it is characterised in that: described chemicals-resistant modifying agent is for containing There is the acrylic acid series additive of perfluoroalkyl.
A kind of Ink vessel transfusing inlying catheter the most according to claim 1, it is characterised in that: described infrared external reflection titanium dioxide Particle diameter is 1000nm-1300nm, TiO2Content is 80%-90%, surface coating layer SiO2With Al2O3Content be 10-20%.
A kind of Ink vessel transfusing inlying catheter the most according to claim 1, it is characterised in that: described light stabilizer is ultraviolet One or many in absorbent UV-531, UV absorbent UVP-327, light stabilizer 744 and UV absorbent UV-9 Plant mixture.
A kind of Ink vessel transfusing inlying catheter the most according to claim 1, it is characterised in that: described heat filling is oxidation Magnesium, zinc oxide, aluminium hydroxide, boron nitride, aluminium nitride in mass ratio 1: 1: 2: 3: 1 mixes gained, the particle diameter of described heat filling At 0.5um-2.0um, purity is more than 98%.
A kind of Ink vessel transfusing inlying catheter the most according to claim 1, it is characterised in that: described catalyst is amines catalysis Agent, metal gellike type catalyst and metal class catalyst for trimerization in mass ratio 2;1;3 mixing gained;Described cross-linking agent is glycerol And/or triethanolamine;Described surfactant is surfactant B 8525 and/or surfactant LK221.
CN201610635119.5A 2016-07-30 2016-07-30 Intravascular indwelling catheter Pending CN106039468A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610635119.5A CN106039468A (en) 2016-07-30 2016-07-30 Intravascular indwelling catheter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610635119.5A CN106039468A (en) 2016-07-30 2016-07-30 Intravascular indwelling catheter

Publications (1)

Publication Number Publication Date
CN106039468A true CN106039468A (en) 2016-10-26

Family

ID=57480292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610635119.5A Pending CN106039468A (en) 2016-07-30 2016-07-30 Intravascular indwelling catheter

Country Status (1)

Country Link
CN (1) CN106039468A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106963332A (en) * 2017-04-07 2017-07-21 徐州市第人民医院 A kind of endoscope sheath inserting tube

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2820200Y (en) * 2005-08-03 2006-09-27 韩晶 Closed venous retaining needle
CN103239775A (en) * 2012-02-13 2013-08-14 王治明 Venous indwelling needle
CN103571171A (en) * 2012-07-23 2014-02-12 上海东大聚氨酯有限公司 High-density polyurethane pipe bracket, composite polyether and raw material composition of pipe bracket, and preparation methods
CN103858945A (en) * 2014-03-20 2014-06-18 广州恒广复合材料有限公司 Natural plant fungicide and preparation method thereof
CN205145283U (en) * 2015-11-27 2016-04-13 四川普瑞斯生物科技有限公司 Prevent withdraw of needle formula vein and keep somewhere needle
CN105729438A (en) * 2016-03-27 2016-07-06 苏州科技学院 Thin tiny component sucking and placing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2820200Y (en) * 2005-08-03 2006-09-27 韩晶 Closed venous retaining needle
CN103239775A (en) * 2012-02-13 2013-08-14 王治明 Venous indwelling needle
CN103571171A (en) * 2012-07-23 2014-02-12 上海东大聚氨酯有限公司 High-density polyurethane pipe bracket, composite polyether and raw material composition of pipe bracket, and preparation methods
CN103858945A (en) * 2014-03-20 2014-06-18 广州恒广复合材料有限公司 Natural plant fungicide and preparation method thereof
CN205145283U (en) * 2015-11-27 2016-04-13 四川普瑞斯生物科技有限公司 Prevent withdraw of needle formula vein and keep somewhere needle
CN105729438A (en) * 2016-03-27 2016-07-06 苏州科技学院 Thin tiny component sucking and placing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106963332A (en) * 2017-04-07 2017-07-21 徐州市第人民医院 A kind of endoscope sheath inserting tube

Similar Documents

Publication Publication Date Title
CN103736170A (en) Anti-puncture remaining needle
PE20100033A1 (en) SYRINGE WITH RECESSED NOZZLE AND PROTECTIVE COVER FOR USE WITH FRONT ACCESSORIES
CN203915654U (en) A kind of venous detaining needle with malleation anti-backflow device
CN106039468A (en) Intravascular indwelling catheter
CN204072962U (en) Spiral push-rod preventing thrombosis venous detaining needle
CN204033996U (en) A kind of deep venous thrombosis thrombolysis device
CN108578826A (en) A kind of anti-blood back venous detaining needle
CN205494549U (en) Time blood observation window of puncture ware
CN201609542U (en) Closed type arteriovenous indwelling needle for no-needle blood sampling
CN204619056U (en) For injecting the dual chamber syringe of high viscosity medicament
CN204181950U (en) A kind of Needleless seal formula infusion connector
CN103656799B (en) Precharging type syringe
CN203139256U (en) Novel deep vein puncture remaining needle
CN201602777U (en) Valve type spacer for remaining needle
CN202185012U (en) Venous retention needle without heparin cap and guide tube seat thereof
CN103656790B (en) A kind of disposable counterflow-preventing bushing type intravenous infusion needle
CN209060192U (en) A kind of new type of safe remaining needle
CN203634583U (en) Pre-filling injector
CN203291313U (en) Safe intravenous infusion remaining needle component
CN202554635U (en) Venous indwelling needle
CN101011613A (en) Safety type sealed venous detaining needle
CN203342136U (en) Disposable anti-reflux sleeve type intravenous infusion needle
CN204446699U (en) A kind of novel cyst suction therapy external member
CN103157153A (en) Safe venous indwelling needle used for preventing thrombus
CN212395525U (en) Novel safety remaining needle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20161026