CN110559510A - Remaining needle and assembling process thereof - Google Patents
Remaining needle and assembling process thereof Download PDFInfo
- Publication number
- CN110559510A CN110559510A CN201910833005.5A CN201910833005A CN110559510A CN 110559510 A CN110559510 A CN 110559510A CN 201910833005 A CN201910833005 A CN 201910833005A CN 110559510 A CN110559510 A CN 110559510A
- Authority
- CN
- China
- Prior art keywords
- needle
- catheter
- needle tube
- handle
- glue
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000003292 glue Substances 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims description 11
- 229920002545 silicone oil Polymers 0.000 claims description 9
- 238000005475 siliconizing Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 241000209094 Oryza Species 0.000 claims description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims description 5
- 235000009566 rice Nutrition 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 abstract description 2
- 238000007598 dipping method Methods 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- A61M5/158—Needles for infusions; Accessories therefor, e.g. for inserting infusion needles, or for holding them on the body
-
- 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
- A61M2207/00—Methods of manufacture, assembly or production
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
An indwelling needle and an assembling process thereof, the indwelling needle comprises a catheter component, a needle tube component and a hose component, the needle tube component comprises a needle handle connected with the catheter component and a needle tube arranged in the needle handle, the needle handle comprises a handle column and a handle arranged on the side wall of the handle column, a through hole is arranged at the connecting end of the handle column and the catheter component, and a glue dispensing groove communicated with the through hole is arranged at the other end of the handle column and the catheter component; the needle tube penetrates through the through hole and the tail end of the needle tube is provided with a flat part. After the glue is solidified in the glue dispensing groove, the flat part and the glue form an inverted buckle structure in the glue dispensing groove, and the inverted buckle structure can increase the drawing force between the needle tube and the needle handle, so that the connection strength between the needle tube and the needle handle is improved. When the needle tube is assembled, the tail end of the needle tube sequentially penetrates through the isolation plug and the needle handle, and then the tail end of the needle tube is flattened to form a flat part, so that the assembly is facilitated; after the catheter seat and the needle handle are assembled, the tail end of the needle tube is pushed to adjust the position between the needle point and the catheter, and then dispensing and curing are carried out, so that the distance is convenient to adjust.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an indwelling needle and an assembling process thereof.
Background
an indwelling needle is a medical apparatus for infusion of an indwelling needle, and mainly comprises a catheter component, a needle tube component and a hose component. Wherein, the pipe subassembly includes pipe, metal wedge and pipe seat, and the needle tubing subassembly includes needle handle and needle tubing, and the hose subassembly includes hose, hose seat, heparin cap and little block.
When the indwelling needle is clinically used, the needle tube assembly is mainly used for blood vessel puncture, the needle tube assembly is pulled out after the puncture is successful, and the catheter is retained in the blood vessel for transfusion, so the cleanliness and the separating force of the needle tube assembly have great influence on products. In the existing needle tube assembly, the tail end of the needle tube is assembled at the front end notch of the needle handle, and then the front end notch of the needle handle is subjected to glue dispensing and curing, so that glue is very easy to be dispensed at the front end of the needle tube or overflow. In addition, in the existing production process, the needle tube and the needle handle are fixed by dispensing, and then the needle tube and the catheter component are assembled and the distance is adjusted at the same time, because the assembly between the catheter and the catheter seat is difficult to avoid, errors exist, and the position between the needle tube and the needle handle is fixed at the moment, the distance is difficult to adjust, and the qualification rate of the manufactured products is low.
Disclosure of Invention
Accordingly, an object of the present invention is to provide an indwelling needle and an assembling process thereof, in which an inverted structure is formed between the distal end of a needle tube and a needle handle to improve the coupling strength between the needle tube and the needle handle, and the assembling process facilitates the adjustment of the needle distance.
in one aspect, the present invention provides an indwelling needle comprising a catheter assembly, a needle tubing assembly and a hose assembly connected to each other, the needle tubing assembly comprising a needle shaft connected to the catheter assembly and a needle tubing arranged in the needle shaft, the needle shaft comprising a shaft and a handle arranged on a sidewall of the shaft, wherein,
A through hole is formed in the connecting end of the handle column and the catheter component, a glue dispensing groove communicated with the through hole is formed in the other end of the handle column and the catheter component, and the glue dispensing groove is of a V-shaped step-shaped structure;
The needle tube penetrates through the through hole, the tail end of the needle tube is provided with a flat part, one end, facing the needle point, of the flat part is located at the joint between two adjacent steps in the glue dispensing groove, and after glue dispensing is carried out in the glue dispensing groove and glue is solidified, the flat part and the glue form a back-off structure in the glue dispensing groove.
Further, the length of the flat part ranges from 1mm to 10 mm.
furthermore, the joint between two adjacent steps in the glue dispensing groove is an inclined plane, and an included angle between the inclined plane and the inner surface of the two connected steps is an obtuse angle.
Furthermore, the bottom of the glue dispensing groove is a conical surface or a plane.
Further, when the bottom of the dispensing groove is a conical surface, the top of the conical surface faces or faces away from the needle tip.
further, the solidified glue covers the end of the needle tube and does not protrude out of the end of the glue dispensing groove.
Furthermore, a guide groove with a V-shaped section is arranged on the end face of the connecting end of the handle column and the catheter assembly, and the guide groove is coaxial with the through hole.
In another aspect, the present invention provides an assembly process of an indwelling needle, the indwelling needle comprising a catheter assembly and a needle tubing assembly, the needle tubing assembly comprising a needle handle, a needle tubing arranged in the needle handle and an isolating plug sleeved on the needle tubing, the catheter assembly comprising a catheter hub connected to the needle handle, and a metal wedge and a catheter arranged inside the catheter hub, the assembly process comprising:
The isolating plug in the needle tube assembly is sleeved in the catheter seat after being soaked in alcohol;
Flattening the needle tube to form a flattened part, wherein the flattened part is positioned between the tail end of the needle tube and the glue dispensing groove;
gradually pushing the tail end of the needle tube, detecting the rice distance between the needle tip and the catheter, and enabling the rice distance to be within a preset range of 0-1 mm;
And dispensing in the dispensing groove, stopping dispensing after the tail end of the needle tube is covered by the glue and solidifying the glue.
Further, the assembling process of the needle tube assembly comprises the following steps:
Immersing the needle tube in silicone oil, siliconizing and blowing air to enable the tail end of the needle tube to penetrate through and expose the isolating plug;
The tail end of the needle tube penetrates through the through hole in the needle handle and extends out of the outer end of the glue dispensing groove.
further, the assembly process of the catheter assembly includes:
Inserting the metal wedge into the guide pipe for assembly, detecting the insertion distance, and enabling the insertion distance to be within a preset range;
Pressing the metal wedge into the catheter seat, and cutting the redundant length of the catheter;
and soaking the conduit in silicone oil, siliconizing, blowing, performing melt head forming on the tip of the conduit, and detecting whether the melt head forming is qualified.
Compared with the prior art, in the indwelling needle, after the glue is solidified in the glue dispensing groove, the flat part and the glue form the inverted buckle structure in the glue dispensing groove, and the inverted buckle structure can increase the drawing force between the needle tube and the needle handle, so that the connection strength between the needle tube and the needle handle is improved. In addition, when the needle tube is assembled, the tail end of the needle tube sequentially penetrates through the isolation plug and the needle handle, and then the tail end of the needle tube is flattened to form a flat part, so that the assembly is facilitated; when the catheter is assembled, the catheter seat and the needle handle are assembled, the tail end of the needle tube is pushed to adjust the position between the needle point and the catheter, and then dispensing and curing are carried out, so that the distance is convenient to adjust.
Drawings
FIG. 1 is a schematic structural view of an indwelling needle according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the needle cannula and needle handle of FIG. 1;
FIG. 3 is a cross-sectional view of a needle shaft in another embodiment of the invention;
FIG. 4 is a flow chart of the assembly process of the indwelling needle of the present invention.
Description of the main element symbols:
| Catheter assembly | 10 | needle tube assembly | 11 |
| Hose assembly | 12 | needle handle | 13,13a |
| Handle column | 131 | Handle (CN) | 132 |
| Through hole | 133 | Glue dispensing groove | 134,134a |
| Guiding groove | 135 | Needle tube | 14 |
| flat portion | 141 | Isolating plug | 15 |
| conduit seat | 16 | Metal wedge | 17 |
| Catheter tube | 18 |
the following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
to facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
referring to fig. 1 to 4, an indwelling needle according to an embodiment of the present invention includes a catheter assembly 10, a needle tube assembly 11 and a hose assembly 12 connected to each other, the needle tube assembly 11 includes a needle shaft 13 connected to the catheter assembly 10 and a needle tube 14 disposed in the needle shaft 13, and the needle shaft 13 includes a shaft 131 and a handle 132 disposed on a sidewall of the shaft 131.
Referring to fig. 2, a through hole 133 is formed at a connection end of the stem 131 and the catheter assembly 10, and a dispensing slot 134 communicating with the through hole 133 is formed at the other end, the through hole 133 facilitates the needle tube 14 to pass through, and the dispensing slot 134 is used for dispensing.
It should be noted that, in this embodiment, the glue dispensing groove 134 is of a V-shaped stepped structure, so that the needle handle 13 can be easily ejected after injection molding, and the needle handle can be easily dispensed and the needle tube 14 can be pushed subsequently.
Referring to fig. 1 and 4, the needle tube 14 penetrates through the through hole 133 and the end thereof is provided with a flat portion 141, one end of the flat portion 141 facing the needle point is located at a connection position between two adjacent steps in the dispensing groove 134, after dispensing is performed in the dispensing groove 134 and the glue is cured, the flat portion 141 and the glue form an inverted structure in the dispensing groove 134, and the inverted structure can increase the pulling force between the needle tube 14 and the needle handle 13, thereby improving the connection strength therebetween.
Preferably, in this embodiment, the length of the flat portion 141 ranges from 1mm to 10 mm.
Referring to fig. 1 and 2, a connection portion between two adjacent steps in the dispensing slot 134 is an inclined plane, and an included angle between the inclined plane and an inner surface of the two connected steps is an obtuse angle, so that the purpose of the arrangement is to enable the dispensing slot 134 to be processed and to be ejected after injection molding.
In the present invention, the bottom of the dispensing slot 134 is a conical surface or a flat surface. Specifically, in this embodiment, the bottom of the dispensing groove 134 is a conical surface, and the top of the conical surface faces away from the needle tip direction, so that compared with a plane, the pulling force can be further increased by the inverted structure formed after the glue is cured.
Referring to fig. 3, in another preferred embodiment of the needle handle 13a of the present invention, in this embodiment, the bottom of the dispensing groove 134a is a conical surface, and the top of the conical surface faces the needle tip direction, the shape of the conical surface is convenient for processing, and compared with a plane, the arrangement can further increase the pulling force of the inverted structure formed after the glue is cured.
Referring again to FIG. 2, the solidified glue covers the distal end of the needle cannula 14 and does not protrude beyond the end of the dispensing slot 134, which is provided to avoid interference with subsequent assembly.
Further, a guide groove 135 having a V-shaped cross section is provided on an end surface of the connecting end of the stem 131 and the catheter assembly 10, and the guide groove 135 is coaxial with the through hole 133, so that the distal end of the needle tube 14 can smoothly pass through the through hole 133.
referring to fig. 4, the present invention provides an assembly process of an indwelling needle, which can be performed manually or by automated equipment. The indwelling needle comprises a catheter component 10 and a needle tube component 11, wherein the needle tube component 11 comprises a needle handle 13, a needle tube 14 arranged in the needle handle 13 and a separating plug 15 sleeved on the needle tube 14, the catheter component 10 comprises a catheter seat 16 connected with the needle handle 13, and a metal wedge 17 and a catheter 18 which are arranged inside the catheter seat 16, and the assembly process comprises the following steps:
S10, the septum 15 of the needle cannula assembly 11 is dipped into alcohol and inserted into the catheter hub 16. In this step, the purpose of dipping the isolating plug 15 in alcohol is to lubricate and facilitate the insertion of the isolating plug into the catheter holder 16.
S11, the needle tube 14 is flattened to form a flattened portion 141, and the flattened portion 141 is located between the tip of the needle tube 14 and the dispensing slot 134. In this step, after the glue dispensing is performed in the glue dispensing groove 134 and the glue is cured, the flat portion 141 and the glue form a reverse structure in the glue dispensing groove 134, and the pull force between the needle tube 14 and the needle handle 13 can be increased by the reverse structure.
S12, the end of the needle tube 14 is gradually pushed, and the distance between the needle tip and the catheter 18 is detected to be within a predetermined range of 0-1 mm. In this step, during assembly, the rice distance is detected by a magnifying glass or a camera with a scale, and the end of the needle tube 14 is pushed by the push rod.
S13, dispensing the glue in the dispensing slot 134, stopping dispensing after the glue covers the end of the needle tube 14, and curing the glue.
In the present invention, the assembling process of the needle tube assembly 11 includes:
S100, immersing the needle tube 14 in silicone oil, siliconizing and blowing, and enabling the tail end of the needle tube 14 to penetrate through and expose the isolating plug 15. In this step, the purpose of siliconizing the needle tube 14 by dipping in silicone oil is to increase the lubricity of the surface of the needle tube 14 for facilitating puncturing in clinical use, and the purpose of blowing air is to remove excess silicone oil on the surface of the needle tube 14.
s101, the tail end of the needle tube 14 penetrates through the through hole 133 in the needle handle 13 and extends out of the outer end of the dispensing groove 134.
It is further noted that, in the present invention, the assembly process of the catheter assembly 10 includes:
And S200, inserting the metal wedge 17 into the guide pipe 18 for assembly, detecting the insertion distance and enabling the insertion distance to be within a preset range.
s201, press metal wedge 17 into catheter hub 16 and cut the excess length of catheter 18.
s202, soaking the guide pipe 18 in silicone oil, siliconizing and blowing, performing melt head forming on the tip of the guide pipe 18, and detecting whether the melt head forming is qualified. In this step, the purpose of siliconizing the catheter 18 by dipping in silicone oil is to facilitate melt-head formation of the tip of the catheter 18, i.e. to round the end of the catheter 18 for facilitating puncture during clinical use. And includes the detection of the shape, length, notch, burr, etc. of the end of the tube 18 during the detection.
Compared with the prior art, in the indwelling needle, after the glue is solidified in the glue dispensing groove 134, the flat part 141 and the glue form an inverted structure in the glue dispensing groove 134, and the inverted structure can increase the drawing force between the needle tube 14 and the needle handle 13, so that the connection strength between the needle tube 14 and the needle handle 13 is improved. In addition, when the needle tube 14 is assembled, the tail end of the needle tube 14 passes through the isolating plug 14 and the needle handle 13 in sequence, and then the tail end of the needle tube 14 is flattened to form a flat part 141, so that the assembly is facilitated; in the assembly, after the catheter hub 16 and the needle handle 13 are assembled, the distal end of the needle tube 14 is pushed to adjust the position between the needle tip and the catheter 18, and then the dispensing and curing are performed, so as to adjust the separation distance.
the above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An indwelling needle, comprising a catheter component, a needle tube component and a hose component which are connected, wherein the needle tube component comprises a needle handle connected with the catheter component and a needle tube arranged in the needle handle, and the indwelling needle is characterized in that: the needle handle comprises a handle column and a handle arranged on the side wall of the handle column, wherein,
a through hole is formed in the connecting end of the handle column and the catheter component, a glue dispensing groove communicated with the through hole is formed in the other end of the handle column and the catheter component, and the glue dispensing groove is of a V-shaped step-shaped structure;
the needle tube penetrates through the through hole, the tail end of the needle tube is provided with a flat part, one end, facing the needle point, of the flat part is located at the joint between two adjacent steps in the glue dispensing groove, and after glue dispensing is carried out in the glue dispensing groove and glue is solidified, the flat part and the glue form a back-off structure in the glue dispensing groove.
2. The indwelling needle according to claim 1, wherein the length of the flattened portion is in the range of 1-10 mm.
3. The indwelling needle according to claim 1, wherein the junction between two adjacent steps in the dispensing slot is an inclined plane, and the angle between the inclined plane and the inner surface of the two connected steps is an obtuse angle.
4. The indwelling needle according to claim 1, wherein the bottom of the dispensing groove is tapered or flat.
5. the indwelling needle according to claim 4, wherein when the bottom of the dispensing groove is a tapered surface, the top of the tapered surface faces or faces away from the needle tip.
6. The indwelling needle according to claim 1, wherein the cured glue covers the tip of the needle tube and does not protrude beyond the port of the glue dispensing slot.
7. The indwelling needle according to claim 1, wherein a guide groove having a V-shaped cross section is provided on an end face of the connecting end of the stem and the catheter assembly, the guide groove being coaxial with the through hole.
8. an assembly process of an indwelling needle according to any one of claims 1 to 7, the indwelling needle comprising a catheter assembly and a needle assembly, the needle assembly comprising a needle shaft, a needle tube arranged in the needle shaft and a septum arranged over the needle tube, the catheter assembly comprising a catheter hub connected to the needle shaft and a metal wedge and a catheter arranged inside the catheter hub, the assembly process comprising:
The isolating plug in the needle tube assembly is sleeved in the catheter seat after being soaked in alcohol;
Flattening the needle tube to form a flattened part, wherein the flattened part is positioned between the tail end of the needle tube and the glue dispensing groove;
gradually pushing the tail end of the needle tube, detecting the rice distance between the needle tip and the catheter, and enabling the rice distance to be within a preset range of 0-1 mm;
and dispensing in the dispensing groove, stopping dispensing after the tail end of the needle tube is covered by the glue and solidifying the glue.
9. The assembly process of claim 8, wherein the assembly process of the needle cannula assembly comprises:
Immersing the needle tube in silicone oil, siliconizing and blowing air to enable the tail end of the needle tube to penetrate through and expose the isolating plug;
The tail end of the needle tube penetrates through the through hole in the needle handle and extends out of the outer end of the glue dispensing groove.
10. The assembly process of claim 8, wherein the assembly process of the catheter assembly comprises:
Inserting the metal wedge into the guide pipe for assembly, detecting the insertion distance, and enabling the insertion distance to be within a preset range;
pressing the metal wedge into the catheter seat, and cutting the redundant length of the catheter;
and soaking the conduit in silicone oil, siliconizing, blowing, performing melt head forming on the tip of the conduit, and detecting whether the melt head forming is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833005.5A CN110559510A (en) | 2019-09-04 | 2019-09-04 | Remaining needle and assembling process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833005.5A CN110559510A (en) | 2019-09-04 | 2019-09-04 | Remaining needle and assembling process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110559510A true CN110559510A (en) | 2019-12-13 |
Family
ID=68777790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910833005.5A Pending CN110559510A (en) | 2019-09-04 | 2019-09-04 | Remaining needle and assembling process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110559510A (en) |
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| CN105771032A (en) * | 2016-03-31 | 2016-07-20 | 威海洁瑞医用制品有限公司 | Indwelling needle handle and puncture needle tube assembly structure and assembly method |
| CN109011006A (en) * | 2018-08-08 | 2018-12-18 | 刘靖 | A kind of remaining needle needle assembly |
| CN209108277U (en) * | 2018-10-25 | 2019-07-16 | 袁雪 | A kind of intravenous infusion device |
| CN211096649U (en) * | 2019-09-04 | 2020-07-28 | 江西洪达医疗器械集团有限公司 | Indwelling needle |
-
2019
- 2019-09-04 CN CN201910833005.5A patent/CN110559510A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203329124U (en) * | 2013-03-29 | 2013-12-11 | 高龄月 | Novel remaining needle assembly |
| WO2014169426A1 (en) * | 2013-04-16 | 2014-10-23 | 福建省百仕韦医用高分子股份有限公司 | Handle component of telescoping protected indwelling needle |
| CN105209090A (en) * | 2013-04-16 | 2015-12-30 | 福建省百仕韦医用高分子股份有限公司 | Handle component of telescoping protected indwelling needle |
| CN203677661U (en) * | 2013-11-02 | 2014-07-02 | 福建省百仕韦医用高分子股份有限公司 | Swing-type safe syringe |
| CN105682717A (en) * | 2013-11-02 | 2016-06-15 | 福建省百仕韦医用高分子股份有限公司 | Swing-type safe syringe |
| CN105771032A (en) * | 2016-03-31 | 2016-07-20 | 威海洁瑞医用制品有限公司 | Indwelling needle handle and puncture needle tube assembly structure and assembly method |
| CN109011006A (en) * | 2018-08-08 | 2018-12-18 | 刘靖 | A kind of remaining needle needle assembly |
| CN209108277U (en) * | 2018-10-25 | 2019-07-16 | 袁雪 | A kind of intravenous infusion device |
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