CN109481783B - Safety venous indwelling needle - Google Patents
Safety venous indwelling needle Download PDFInfo
- Publication number
- CN109481783B CN109481783B CN201811484994.3A CN201811484994A CN109481783B CN 109481783 B CN109481783 B CN 109481783B CN 201811484994 A CN201811484994 A CN 201811484994A CN 109481783 B CN109481783 B CN 109481783B
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- CN
- China
- Prior art keywords
- needle
- needle tube
- seat
- pipe
- catheter
- 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.)
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Links
- 230000004323 axial length Effects 0.000 claims abstract description 6
- 210000000078 claw Anatomy 0.000 claims description 25
- 238000001990 intravenous administration Methods 0.000 claims description 10
- 239000007799 cork Substances 0.000 claims description 4
- 238000001802 infusion Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010013954 Dysphoria Diseases 0.000 description 1
- 206010073753 Fear of injection Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229940127558 rescue medication Drugs 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding 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
- 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
- A61M2005/1587—Needles 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
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
The invention discloses a safe venous indwelling needle which comprises a catheter assembly and a needle tube assembly which are connected with each other, wherein the catheter assembly comprises a catheter seat and a catheter, the needle tube assembly at least comprises a needle tube seat and a needle tube, the needle tube seat is fixedly arranged in a needle tube seat sleeve with an opening and a hollow interior, an accommodating space is formed between the needle tube seat and the needle tube seat sleeve, a drawing assembly is arranged in the accommodating space, the drawing assembly is folded in the interior of the needle tube seat sleeve in an initial state, and the far end of the drawing assembly is fixedly connected with the catheter seat; in the use state, the drawing component deforms to enable the axial length of the drawing component to be increased so as to completely wrap the needle tube. The invention has simple and exquisite structure, effectively seals the abandoned needle heads and avoids stabbing medical care personnel; and the tube body of the needle tube is sealed, so that secondary pollution caused by liquid dripping in the needle tube due to improper taking is avoided, and finally, the discarded needle tube is prevented from being broken carelessly and other people are prevented from being stabbed.
Description
Technical Field
The invention relates to the field of infusion apparatuses, in particular to a safe venous indwelling needle with an anti-drip effect.
Background
In order to reduce pain and fear of injection caused by repeated venipuncture of patients, lighten the dysphoria emotion of family members, facilitate clinical medication, rescue medication of emergency and critical patients, lighten the workload of nurses, reduce the pain of patients and realize wide clinical application of intravenous indwelling needles.
The existing venous indwelling needle is used for retreating the needle, the needle head is polluted by blood of a patient, medical staff is easy to be stabbed by the needle head to easily infect diseases when the indwelling needle is pulled out or cleaned and discarded, and meanwhile, the discarded needle head is exposed in the environment to easily cause environmental pollution, so that serious potential safety hazards exist. Therefore, the existing venous indwelling needle is generally provided with an anti-needling device for the needle head, and the anti-needling device is generally provided with a spring sheet or a movable body to block the needle tube so that the needle tube cannot be penetrated out again. However, the needle-punching prevention device is not a closed structure, and liquid medicine and blood of a patient can remain in the used needle tube, so that the liquid in the needle can flow out when medical staff takes the indwelling needle, thereby causing secondary pollution; and the used remaining needle has a larger part of the needle tube exposed outside, and the needle tube is extremely fine and is easy to break, so that potential safety hazards exist.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a safe venous indwelling needle.
The aim of the invention is achieved by the following technical scheme:
the safe venous indwelling needle comprises a catheter assembly and a needle tube assembly which are connected with each other, wherein the catheter assembly comprises a catheter seat and a catheter fixed at the far end of the catheter seat and used for transfusion, the needle tube assembly at least comprises a needle tube seat and a needle tube, the near end of the needle tube is inserted into the needle tube seat and fixed with each other, the far end of the needle tube penetrates through the hollow interior of the catheter and stretches out, the needle tube seat is fixedly arranged in a needle tube seat sleeve with an opening and a hollow interior, an accommodating space is formed between the needle tube seat sleeve and the needle tube seat sleeve, a drawing assembly is arranged in the accommodating space, the drawing assembly is in an initial state and a use state, and in the initial state, the drawing assembly is folded in the interior of the needle tube seat sleeve, and the far end of the drawing assembly is fixedly connected with the catheter seat; in the use state, the drawing component deforms to enable the axial length of the drawing component to be increased so as to completely wrap the needle tube, and the radial projection of the needle tube is enabled to fall on the inner wall of the drawing component.
Preferably, the needle tube seat comprises a rod part and a taper part, and the diameter of the taper part gradually expands from a first end to a second end; the tail end of the second end of the conical part is provided with a groove, the diameter of the groove is consistent with that of the rod part, and when the drawing assembly is in a use state, the drawing assembly is clamped with the groove.
Preferably, the drawing assembly comprises a first drawing pipe and a second drawing pipe, the second drawing pipe is sleeved on the first drawing pipe, a boss is arranged at the front end of the first drawing pipe, a sliding groove matched with the boss is arranged on the side wall of the second drawing pipe, the second drawing pipe and the first drawing pipe can slide relatively, and an elastic claw for clamping the boss is arranged at the tail end of the sliding groove.
Preferably, the first drawing tube is sleeved on the needle tube seat, a petal-shaped claw is arranged at the opening of the tail end of the first drawing tube, the claw has certain elasticity, and the claw slides along the conical part, gradually expands from the first end to the second end and finally is clamped with the groove.
Preferably, the front end of the second drawing tube is further provided with a clamping table, the side wall of the conduit seat is provided with a bayonet matched with the clamping table, and the clamping table and the bayonet can be buckled or separated.
Preferably, the distal end of the catheter holder is provided with a through hole for fixing the catheter, and one side of the catheter holder is further provided with a branch pipe for connecting with an injection joint.
Preferably, a soft plug is arranged in the catheter seat, and the soft plug is sleeved on the needle tube and is tightly matched with the interior of the catheter seat.
Preferably, the proximal end of the cork is provided with an anti-needling device.
Preferably, the drawing component is of an integrated structure.
Preferably, a handle is arranged on one side of the needle tube seat sleeve.
The beneficial effects of the invention are mainly as follows: the structure is simple and exquisite, the waste needle head is effectively sealed by arranging the drawing component outside the needle tube, and the used needle head is prevented from stabbing medical staff; secondly, the tube body of the needle tube is sealed, so that secondary pollution caused by liquid dripping in the needle tube due to improper taking is avoided; finally, the potential safety hazard of stabbing other people caused by carelessly breaking the waste needle tube is avoided.
Drawings
The technical scheme of the invention is further described below with reference to the accompanying drawings:
fig. 1: the initial state schematic diagram of the drawing component of the embodiment of the invention;
fig. 2: the use state schematic diagram of the drawing component of the embodiment of the invention;
fig. 3: an explosion schematic diagram of an embodiment of the invention;
fig. 4: an explosion schematic of an embodiment of the invention.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. The embodiments are not limited to the present invention, and structural, methodological, or functional modifications of the invention from those skilled in the art are included within the scope of the invention.
As shown in fig. 1 to 2, the present invention discloses a safety type intravenous indwelling needle, comprising a catheter assembly and a needle tube assembly which are connected with each other, wherein the catheter assembly comprises a catheter seat 1 and a catheter (not shown in the drawings) fixed at the distal end thereof for transfusion, the needle tube assembly at least comprises a needle tube seat 2 and a needle tube 3, the proximal end of the needle tube 3 is inserted into the needle tube seat 2 and fixed with each other, the top end of the catheter seat 1 is provided with a through hole 12 for fixing the catheter, the distal end of the needle tube 3 penetrates through the hollow interior of the catheter and extends out, and one side of the catheter seat 1 is also provided with a branch tube 13 for connecting an injection joint. These are prior art and are not described in detail herein.
The front end of the needle tube seat 2 is provided with a round hole, and a part of the proximal end of the needle tube 3 is inserted into the round hole and fixed in the round hole. The tail end of the needle tube seat 2 is fixedly arranged in a needle tube seat sleeve 24 with an opening and a hollow interior, and an accommodating space is formed between the needle tube seat sleeve and the needle tube seat sleeve. The fixing mode of the two can be bonding or ultrasonic welding or other equivalent modes. Of course, those skilled in the art will recognize that it is also possible to manufacture the two integrally, only by ensuring that there is one receiving space.
In order to prevent the problem of infection caused by improper taking of the indwelling needle and dripping of the residual blood and liquid medicine in the needle tube 3 onto the body of the medical staff, in the specific embodiment of the invention, a drawing component is arranged in the accommodating space, and the drawing component is a device capable of freely changing the axial length of the drawing component. Specifically, the retraction assembly has an initial condition in which it is fully retracted within the needle cannula housing 24 and a use condition in which it is, of course, somewhat exposed. In the use state, the drawing component is deformed to enable the axial length of the drawing component to be increased so as to completely wrap the needle tube 3, and the radial projection of the needle tube 3 is enabled to fall on the inner wall of the drawing component.
The two states correspond to the initial unused state and the used state of the venous indwelling needle respectively. Of course, when the drawing assembly is in the initial state, the distal end of the drawing assembly is fixedly connected with the catheter holder 1.
As shown in fig. 3, in the preferred embodiment, a plurality of sections of pipes are spliced to form the drawing assembly, the drawing assembly comprises a first drawing pipe 4 and a second drawing pipe 5, the second drawing pipe 5 is sleeved on the first drawing pipe 4, a boss 41 is arranged at the front end of the first drawing pipe 4, a sliding groove 51 matched with the boss 41 is arranged on the side wall of the second drawing pipe 5, and the second drawing pipe 5 and the first drawing pipe 4 can slide relatively. The tail end of the chute 51 is provided with an elastic claw 52 for clamping the boss 41, and the width of the opening of the elastic claw 52 is smaller than the width of the chute 51. When the boss 41 passes the elastic claw 52, the elastic claw 52 is deformed, and the opening of the elastic claw 52 is expanded to the outside to expand the width so as to pass the boss 41. The lower part of the elastic claw 52 is provided with a hollowed-out part matched with the boss 41, the boss 41 is clamped with the hollowed-out part through the elastic claw 52, at the moment, the elastic claw 52 is affected by self elasticity, naturally contracts an opening of the elastic claw to an original width, and clamps the boss 41, so that the second drawing tube cannot retract.
The needle tube holder 2 includes a shaft portion 21 and a tapered portion 22, and the tapered portion 22 gradually expands in diameter from a first end 221 to a second end 222. The tail end of the second end 222 of the cone-shaped portion 22 is provided with a groove 23, and the diameter of the groove 23 is consistent with the diameter of the rod portion 21. The first drawing tube 4 is sleeved on the needle tube seat 2, a petal-shaped convex claw 42 is arranged at the opening of the tail end of the first drawing tube 4, and the convex claw 42 has certain elasticity. The diameter of the claw 42 which is not deformed is the same as the diameter of the rod 21, when the first drawing tube 4 is drawn outwards and passes through the tapered portion 22, the claw 42 can be deformed to expand the diameter thereof, so that the opening of the first drawing tube 4 passes through the tapered portion 22, and then the end of the claw 42 has a certain radian and is clamped with the groove 23. The diameter of the opening of the claw 42 is reduced under the elastic action of the claw 42, so that the claw 42 cannot slide back and forth after being clamped with the groove 23.
As shown in fig. 4, in the preferred embodiment, the second drawing tube 5 is connected with the catheter seat 1 in a clamping manner, a clamping table 53 is disposed at the front end of the second drawing tube 5, a bayonet 11 matched with the clamping table 53 is disposed on the side wall of the catheter seat 1, the clamping table 53 is buckled with the bayonet 11 to realize the fixed connection between the second drawing tube 5 and the catheter seat 1, the clamping table 53 and the bayonet 11 can be separated, and the clamping table 53 can be pulled out directly outwards. In other embodiments, the second pull tube 5 and the catheter hub 1 may be connected by any suitable connection method, such as a push-type buckle, a downward push, a threaded connection, a rotational separation, etc. Those skilled in the art will recognize that other equivalent means of connection or disconnection are also within the scope of the present invention.
In addition to the implementation of the preferred embodiment, in other embodiments the drawer assembly may be of unitary construction, for example consisting of a single telescopic tube, similar to a bellows construction. In addition, other means for effecting the axial distance change are possible, such as those skilled in the art will recognize, for example, an antenna, or a hose of variable diameter and wall thickness, etc.
As shown in fig. 2, a soft plug 14 is disposed inside the catheter seat 1, and the soft plug 14 is sleeved on the needle tube 3 and is tightly matched with the inside of the catheter seat 1. When the needle tube 3 is used, the needle tube 3 is withdrawn back from the soft plug 14, and the soft plug 14 can seal the bottom of the catheter seat 1. The cork 14 is made of a material having a high density, such as rubber. The proximal end of the cork 14 is provided with an anti-needling device, which is arranged inside the catheter hub 1 in an initial state, and which is arranged at the distal end of the needle tube after the intravenous needle has been used. Because the anti-needling device is relatively common and has various forms, the anti-needling device does not belong to the technical key point of the invention and is not repeated here.
As shown in fig. 1 and 2, a handle 25 is provided on one side of the needle cannula sleeve 24 to facilitate the medical personnel to pinch and pull back out of the needle cannula assembly.
The invention has a simple and exquisite structure, and the following outline describes the operation process of the preferred embodiment of the invention:
in the initial state, as shown in fig. 1, the drawing component is sleeved on the needle tube seat 2 and is folded inside the needle tube seat sleeve 24, at this time, the distal end of the drawing component is fixedly connected with the catheter seat 1, and the distal end of the needle tube 3 passes through the hollow interior of the catheter and extends out of the round hole at the top end of the catheter, and is inserted into the catheter.
When in use, medical staff inserts the needle tube 3 comprising the external catheter into a blood vessel of a patient, and withdraws the needle tube 3 backwards after the insertion is successful, meanwhile, the axial length of the drawing component extends to wrap the needle tube 3, and when the radial projection of the needle tube 3 is all located on the inner wall of the drawing component, the catheter seat 1 and the drawing component are separated. The catheter seat 1 comprises an infusion part of the catheter at the distal end of the catheter seat left on the body of a patient, the needle tube assembly is completely separated from the catheter assembly, the separated needle tube 3 is sealed in the drawing assembly, and liquid remained in the needle tube 3 cannot drip. Of course, an anti-needling device may alternatively be provided at the front end of the needle cannula 3.
The order of movement between the first drawing tube 4, the second drawing tube 5 and the needle tube holder 2 may be sequential, may be simultaneous, or may be staggered.
The invention avoids the risk of secondary pollution caused by liquid leakage in the needle tube due to improper taking, and is safe and reliable.
It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides a safe type vein keep somewhere needle, includes interconnect's pipe subassembly and needle tubing set spare, the pipe subassembly includes catheter hub (1) and fixes at its distal end, the pipe that is used for the infusion, the needle tubing set spare includes needle tube hub (2) and needle tubing (3) at least, the proximal end of needle tubing (3) is inserted and is located in needle tube hub (2) and mutually fixed, the distal end of needle tubing (3) passes the cavity inside of pipe and stretches out, its characterized in that: the needle tube seat (2) is fixedly arranged in a needle tube seat sleeve (24) with an opening and a hollow interior, an accommodating space is formed between the needle tube seat sleeve and the needle tube seat sleeve, a drawing component is arranged in the accommodating space, the drawing component has an initial state and a use state, in the initial state, the drawing component is folded in the needle tube seat sleeve (24), and the far end of the drawing component is fixedly connected with the catheter seat (1); in a use state, the drawing component is deformed to enable the axial length of the drawing component to be increased so as to completely wrap the needle tube (3), and the radial projection of the needle tube (3) is enabled to fall on the inner wall of the drawing component; the needle tube seat (2) comprises a rod part (21) and a conical part (22), and the diameter of the conical part (22) gradually expands from a first end (221) to a second end (222); the tail end of the second end (222) of the conical part (22) is provided with a groove (23), the diameter of the groove (23) is consistent with that of the rod part (21), and when the drawing assembly is in a use state, the drawing assembly is clamped with the groove (23); the drawing assembly comprises a first drawing pipe (4) and a second drawing pipe (5), the second drawing pipe (5) is sleeved on the first drawing pipe (4), a boss (41) is arranged at the front end of the first drawing pipe (4), a sliding groove (51) matched with the boss (41) is formed in the side wall of the second drawing pipe (5), the second drawing pipe (5) and the first drawing pipe (4) can slide relatively, and an elastic claw (52) used for clamping the boss (41) is arranged at the tail end of the sliding groove (51).
2. The safety intravenous needle of claim 1, wherein: the needle tube seat (2) is sleeved with the first drawing tube (4), a petal-shaped convex claw (42) is arranged at the opening of the tail end of the first drawing tube (4), and the convex claw (42) has certain elasticity to enable the convex claw (42) to slide along the conical part (22) and gradually expand from the first end (221) to the second end (222) and finally be clamped with the groove (23).
3. The safety intravenous needle of claim 2, wherein: the front end of the second drawing pipe (5) is also provided with a clamping table (53), the side wall of the conduit seat (1) is provided with a bayonet (11) matched with the clamping table (53), and the clamping table (53) and the bayonet (11) can be buckled or separated.
4. A safety intravenous needle as claimed in any one of claims 1 to 3 wherein: the far end of the catheter seat (1) is provided with a through hole (12) for fixing the catheter, and one side of the catheter seat (1) is also provided with a branch pipe (13) for connecting an injection joint.
5. The safety intravenous needle of claim 4, wherein: the inside of pipe seat (1) is provided with soft stopper (14), soft stopper (14) cover is established on needle tubing (3) to with the inside tight fit of pipe seat (1).
6. The safety intravenous needle of claim 5, wherein: the proximal end of the cork (14) is provided with an anti-needling device.
7. The safety intravenous needle of claim 1, wherein: the drawing component is of an integrated structure.
8. The safety intravenous needle of claim 1, wherein: a handle (25) is arranged on one side of the needle tube seat sleeve (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484994.3A CN109481783B (en) | 2018-12-06 | 2018-12-06 | Safety venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484994.3A CN109481783B (en) | 2018-12-06 | 2018-12-06 | Safety venous indwelling needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109481783A CN109481783A (en) | 2019-03-19 |
| CN109481783B true CN109481783B (en) | 2024-03-26 |
Family
ID=65709518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811484994.3A Active CN109481783B (en) | 2018-12-06 | 2018-12-06 | Safety venous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109481783B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839686B (en) * | 2020-09-04 | 2021-03-02 | 首都医科大学附属北京天坛医院 | Indwelling needle with infusion channel with variable radial size |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071203A (en) * | 2012-12-12 | 2013-05-01 | 山东新华安得医疗用品有限公司 | Anti-acupuncture intravenous detaining needle |
| CN103301528A (en) * | 2013-06-18 | 2013-09-18 | 浙江康德莱医疗器械股份有限公司 | Safe intravenous infusion indwelling needle component |
| CN103691031A (en) * | 2013-12-16 | 2014-04-02 | 苏州林华医疗器械有限公司 | Safety venous indwelling needle |
| CN209519182U (en) * | 2018-12-06 | 2019-10-22 | 苏州林华医疗器械股份有限公司 | Safe type venous retaining needle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143080B (en) * | 2013-01-11 | 2016-05-11 | 英属维尔京群岛圣采科技投资有限公司 | High-safety needle staying on vein |
-
2018
- 2018-12-06 CN CN201811484994.3A patent/CN109481783B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071203A (en) * | 2012-12-12 | 2013-05-01 | 山东新华安得医疗用品有限公司 | Anti-acupuncture intravenous detaining needle |
| CN103301528A (en) * | 2013-06-18 | 2013-09-18 | 浙江康德莱医疗器械股份有限公司 | Safe intravenous infusion indwelling needle component |
| CN103691031A (en) * | 2013-12-16 | 2014-04-02 | 苏州林华医疗器械有限公司 | Safety venous indwelling needle |
| CN209519182U (en) * | 2018-12-06 | 2019-10-22 | 苏州林华医疗器械股份有限公司 | Safe type venous retaining needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109481783A (en) | 2019-03-19 |
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