CN108578826A - A kind of anti-blood back venous detaining needle - Google Patents
A kind of anti-blood back venous detaining needle Download PDFInfo
- Publication number
- CN108578826A CN108578826A CN201810471843.8A CN201810471843A CN108578826A CN 108578826 A CN108578826 A CN 108578826A CN 201810471843 A CN201810471843 A CN 201810471843A CN 108578826 A CN108578826 A CN 108578826A
- Authority
- CN
- China
- Prior art keywords
- guide sheath
- sealing strip
- needle stand
- wall
- indwelling tube
- 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
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
Abstract
The invention discloses a kind of anti-blood back venous detaining needles, including needle stand, drainage tube, flow-stopping clip, containment member and indwelling tube, defining member, it is provided with cavity in the needle stand, it further include pedestal, guide sheath and sealing strip, the pedestal is arranged the tail end in the needle stand and is threadedly coupled with the needle stand, the containment member is layer adjacent in the cavity of the needle stand tail end and is tightly connected with the cavity inner wall, the needle stand head end is fixedly connected with the indwelling tube tail end and the cavity is connect with the indwelling tube fluid communication, the drainage tube is arranged on the side wall of the needle stand and connection is connected with the cavity fluid.The present invention can prevent in blood backflow to indwelling tube, and thrombus caused by solving the problems, such as blood backflow blocks indwelling tube or thrombus is washed into patient vessel and causes medical hidden danger.
Description
Technical field
The present invention relates to infusion fields, are related specifically to a kind of anti-blood back venous detaining needle.
Background technology
General venous detaining needle is infused by puncture needle and the polyurethane indwelling tube being sleeved on puncture needle and software plastic material
Pipe forms, and brings indwelling tube into vein by puncture needle using when in initial fluid, after blood back, extracts puncture needle out, liquid is through indwelling
Pipe injects blood vessel, after completing primary infusion, in the blood vessels by indwelling tube front fractionation, to being reused when being infused next time, stays
Setting pipe can be nearly hundred hour in people's intracorporeal indwelling.The advantages of based on venous detaining needle medically and technical factor, in foreign countries
More developed country has been widely used.Application at home in recent years is also gradually increasing.It is used in venous transfusion
Disposable vein remaining needle reduces venipuncture number, extends venipuncture time interval.And easy to operate, success rate
High, Small side effects mitigate patient suffering, ensure timely, safe medication.The workload and effectively help for reducing medical staff are cured
Shield personnel avoid the blood pollution other than injection.But existing venous detaining needle usually can be because of forming in blood backflow to indwelling tube
Thrombus blocks infusion access, is impacted for infusion next time, and smaller thrombus can be washed into vein, human body elsewhere
It is attached on vein blood vessel inner wall, makes narrowed blood vessels, or even block, cause to seriously affect to patient health.
Invention content
In view of this, being prevented in blood backflow to drainage tube or indwelling tube the purpose of the present invention is to provide a kind of
Anti-blood back venous detaining needle, thrombus caused by efficiently solving blood backflow blocks indwelling tube or thrombus is washed into patient vessel
The problem of inside causing a hidden trouble.
In order to solve the above technical problems, the technical solution adopted by the present invention is as follows：Anti-blood back venous detaining needle, including needle
Seat, drainage tube, flow-stopping clip, containment member and indwelling tube, defining member are provided with cavity in the needle stand, further include pedestal, draw
Lead sheath and sealing strip, the pedestal are arranged the tail end in the needle stand and are threadedly coupled with the needle stand, and the containment member is set
It sets in the cavity for closing on the needle stand tail end and is tightly connected with the cavity inner wall, the needle stand head end is stayed with described
Set that pipe tail end is fixedly connected and the cavity is connect with the indwelling tube fluid communication, the drainage tube is arranged in the needle stand
Connection is connected on side wall and with the cavity fluid；The defining member is arranged in the indwelling tube tail end and the needle stand head end
Junction；The guide sheath head end sequentially passes through the pedestal and the containment member is layer adjacent to the defining member and enters liquid
The gap of 0.7-1.5mm is equipped in the cavity at end and between the defining member liquid inlet inner wall, the guide sheath
Tail end is arranged outside the needle stand；The sealing strip moves axially through defining member under the action of thrust along the guide sheath
It is arranged in the indwelling tube and sealing strip head end end is at least concordant with the outlet end end of the indwelling tube, the envelope
Stifled head end outer wall coordinates with the indwelling tube inner wall sealing, and the guide sheath coordinates with containment member sealing；The envelope
Stifled item exits the indwelling tube under the action of tractive force along guide sheath axial movement.
Above-mentioned anti-blood back venous detaining needle, the sealing strip is arranged in the guide sheath and the sealing strip outer wall and institute
State the cooperation of guide sheath inner wall sealing.
Above-mentioned anti-blood back venous detaining needle, the guide sheath are fixedly connected with the pedestal.
Above-mentioned anti-blood back venous detaining needle is provided with sliding member, the sliding member on the sealing strip tail end side wall
Including connection strap, internally threaded sleeve and external screw thread arc panel, guide sheath is axially provided with described in the side wall upper edge of the guide sheath
Through the guide groove of the guide sheath inner and outer wall, the notch of the guide groove is arranged on guide sheath tail end end；
The external screw thread arc panel is arranged in the internally threaded sleeve and is threadedly coupled with the internally threaded sleeve, the external screw thread arc
Shape plate is arranged outside the guide sheath and is fixedly connected by one end of the connection strap, and the other end of the connection strap passes through institute
It states guide groove to be fixedly connected with the sealing strip, the sealing strip tail end is arranged in the guide sheath；The sealing strip is in institute
Guide sheath described in the push-and-pull lower edge of sliding member is stated to move axially.
Above-mentioned anti-blood back venous detaining needle, the defining member include diversion pipe and water conservancy diversion funnel, the diversion pipe setting
It is connect in the indwelling tube tail end and with the indwelling tube fluid communication, the tail end of the diversion pipe contracts with the water conservancy diversion funnel
The fluid communication connection of mouth end, the water conservancy diversion funnel are located at outside the indwelling tube and in the needle stand；The head end of the guide sheath
Close on the water conservancy diversion funnel and with the diversion pipe and the water conservancy diversion funnel coaxial cooperation.
Above-mentioned anti-blood back venous detaining needle is equipped with 0.7- between the head end of the guide sheath and the inner wall of the water conservancy diversion funnel
The gap of 1.5mm.
Above-mentioned anti-blood back venous detaining needle, the containment member are rubber stopper or medical material software plug, the rubber stopper
Or medical material software is equipped with opening beyond the Great Wall towards the pedestal and the conical through-hole coaxial with the pedestal, the guide sheath are first
End is arranged across the conical through-hole in the cavity.
Above-mentioned anti-blood back venous detaining needle closes on the cavity inner wall of the pedestal and is provided with snap ring；The rubber
Beyond the Great Wall card slot is provided on wall；When the rubber stopper is arranged in the cavity, the snap ring is clamped with the card slot.
Above-mentioned anti-blood back venous detaining needle, the conical through-hole cone angle are 2 ° -5 °.
Above-mentioned anti-blood back venous detaining needle, the sealing strip are polyurethane strips or medical software item, the sealing strip side wall
On be provided with hydrophobic coat.
Beneficial effects of the present invention are as follows：The present invention is formed after can completely avoid infusion in blood backflow to indwelling tube
Thrombus blocks infusion channel, more avoids the thrombus formed in indwelling tube from pouring patient and intravenously leaves hidden danger to patient health,
Heparin-saline fluid-tight is used at the end of also eliminating the need patient fluid infusion simultaneously.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the fractionation structural representation of venous detaining needle of the present invention；
Fig. 2 is the axial arrangement schematic diagram of guide sheath and sealing strip cooperation in Fig. 1；
Fig. 3 is the structural schematic diagram of the containment member of venous detaining needle of the present invention.
In figure, 1- indwelling tubes；2- needle stands；3- cavitys；4- containment members；5- drainage tubes；6- flow-stopping clips；7- sealing strips；8-
Pedestal；9- internally threaded sleeves；9-1- external screw thread arc panels；10- guide sheaths；11- snap rings；12- card slots；13- connection straps；14- is fixed
Shape component.
Specific implementation mode
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings
It is bright.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
As shown in Figs. 1-3, anti-blood back venous detaining needle of the present invention, including needle stand 2, drainage tube 5, flow-stopping clip 6, containment member
4 and indwelling tube 1, defining member 14, cavity 3 is provided in the needle stand 2, which is characterized in that further includes pedestal 8, guide sheath 10
With sealing strip 7, the pedestal 8 is arranged the tail end in the needle stand 2 and is threadedly coupled with the needle stand 2, and the containment member 4 is set
Set in the cavity 3 for closing on 2 tail end of the needle stand and connect with 3 inner wall sealing of the cavity, 2 head end of the needle stand and
1 tail end of the indwelling tube is fixedly connected and the cavity 3 is connect with 1 fluid communication of the indwelling tube, and the setting of the drainage tube 5 exists
It is connect on the side wall of the needle stand 2 and with 3 fluid communication of the cavity；The defining member 4 is arranged in 1 tail end of the indwelling tube
With 2 head end junction of the needle stand；10 head end of the guide sheath sequentially passes through the pedestal 8 and the setting of the containment member 4 exists
It closes in the cavity 3 of 14 liquid inlet of the defining member and is equipped between 14 liquid inlet inner wall of the defining member
The tail end in the gap of 0.7-1.5mm, the guide sheath 10 is arranged outside the needle stand 2；The sealing strip 7 is under the action of thrust
Defining member is moved axially through along the guide sheath 10, and interior in the indwelling tube 1 and described 7 head end end of sealing strip is set extremely
Few concordant with the outlet end end of the indwelling tube 1,7 head end outer wall of the sealing strip coordinates with 1 inner wall sealing of the indwelling tube,
The guide sheath 10 coordinates with the sealing of the containment member 4；The sealing strip 7 is under the action of tractive force along the guide sheath 10
The indwelling tube 1 is exited in axial movement.Wherein, interior in the guide sheath 10 and described 7 outer wall of sealing strip is arranged in the sealing strip 7
Coordinate with 10 inner wall sealing of the guide sheath；The guide sheath 10 is fixedly connected with the pedestal 8；The defining member 14 includes
Diversion pipe and water conservancy diversion funnel, the diversion pipe are arranged in 1 tail end of the indwelling tube and connect with 1 fluid communication of the indwelling tube
It connects, the tail end of the diversion pipe is connect with the water conservancy diversion funnel necking end fluid communication, and the water conservancy diversion funnel is located at the indwelling
Pipe 1 is outer and in the needle stand 2；The head end of the guide sheath 10 close on the water conservancy diversion funnel and with the diversion pipe and described lead
Funnel coaxial cooperation is flowed, the gap of 0.7-1.5mm is equipped between the head end of the guide sheath 10 and the inner wall of the water conservancy diversion funnel.
In the present embodiment, the sealing strip 7 is identical with 1 material of the indwelling tube, or is made of medical software, 7 side wall of the sealing strip
On be provided with hydrophobic coat.
To avoid 7 head end of the sealing strip from being placed into the foreign body sensation for bringing people in the indwelling tube 1, while in order to make
State sealing strip 7 can under the action of thrust or tractive force relatively easily along the guide sheath 10 axial movement disengaging described in stay
Pipe 1 is set, and the shaking of the guide sheath 10 is avoided to impact the leakproofness of 2 structure of the needle stand, it is described in the present embodiment
Sliding member is provided on 7 tail end side wall of sealing strip, the sliding member includes connection strap 13, internally threaded sleeve 9 and external screw thread
Arc panel 9-1, guide sheath 10 described in the side wall upper edge of the guide sheath 10 is axial be provided through 10 inner wall of the guide sheath and
The notch of the guide groove of outer wall, the guide groove is arranged on 10 tail end end of the guide sheath；The external screw thread arc panel 9-1
Setting is threadedly coupled in the internally threaded sleeve 9 and with the internally threaded sleeve, and the external screw thread arc panel 9-1 is arranged in institute
It states outside guide sheath 10 and is fixedly connected by one end of the connection strap 13, the other end of the connection strap 13 passes through the guiding
Slot is fixedly connected with the sealing strip 7, and 7 tail end of the sealing strip is arranged in the guide sheath 10；The sealing strip 7 is in institute
Guide sheath 10 described in the push-and-pull lower edge of sliding member is stated to move axially.Push-and-pull lower edge of the sealing strip 7 in the sliding member
The guide sheath 10 moves axially, its working principle is that：The internally threaded sleeve 9 is rotated, the internally threaded sleeve 9 passes through described
External screw thread arc panel 9-1 described in screw drive is moved forward or back between internally threaded sleeve 9 and the external screw thread arc panel 9-1, from
And drive the sealing strip 7 to be moved axially along the guide sheath 10 by the external screw thread arc panel 9-1 and the connecting plate 13,
Realize disengaging operation of the sealing strip 7 out of the indwelling tube 1.The guide sheath 10 can reduce the sealing strip 7 and push away
The effect of power or tractive force radially wobbles when moving axially the disengaging indwelling tube 1 along the guide sheath 10, effectively reduces
The sealing strip 7 radially wobbles the influence to 2 inner sealing of the needle stand.
In order to improve the leakproofness between the guide sheath 10 and the containment member 4, especially exist in the sealing strip 7
The effect of thrust or tractive force passes in and out the indwelling tube 1 guide sheath 10 and institute in the process along the axial movement of the guide sheath 10
State the leakproofness between containment member 4, in the present embodiment, the containment member 4 is rubber stopper or medical material software plug, described
Rubber stopper or medical material software are equipped with the conical through-hole towards the pedestal 8 and coaxial with the pedestal 8 that is open beyond the Great Wall, described
10 head end of guide sheath passes through the conical through-hole to be arranged in the cavity 3, wherein the conical through-hole cone angle is 2 ° -5 °, both
It can guarantee that 10 head end of the guide sheath can pass through the rubber stopper and enter in the cavity 3, and can ensure the envelope
Leakproofness between stifled item 7 guide sheath 10 and the rubber stopper described in moving process, avoids heretofore described needle stand 2
The phenomenon of leakage appearance；7 head end of the sealing strip then passes through the water conservancy diversion funnel and the diversion pipe to be arranged in the indwelling
In pipe 1.During long-time service, the frictional force meeting the guide sheath 10 is when across the rubber stopper inner conical through-hole
Make the guide sheath 10 that the rubber stopper be driven to move, in order to avoid the rubber stopper moves, in the present embodiment, closes on institute
It states and is provided with snap ring 11 on 3 inner wall of the cavity of pedestal 8；It is provided with card slot 12 on the rubber stopper outer wall；The rubber stopper
When being arranged in the cavity 3, the snap ring 11 is clamped with the card slot 12.
When using the present invention, after the indwelling tube 1 is placed in intravenously, fluid-tight first is carried out with physiological saline, institute is used in combination
It states flow-stopping clip 6 and clamps the drainage tube 5, then rotate the internally threaded sleeve 9, to pass through the external screw thread arc panel 9-1
Push the sealing strip 7 to the movement of the outlet end of the indwelling tube 1 until 7 head end end of the sealing strip and the indwelling tube 1
Liquid outlet is concordant or the 7 head end end of sealing strip is arranged on the outside of 1 liquid outlet of the indwelling tube.Using present invention infusion
When, the drainage tube 5 is connect with the outlet end fluid communication of external infusion pipeline first, then rotates the internally threaded sleeve 9,
It is moved into the guide sheath 10 to draw the sealing strip 7 by the external screw thread arc panel 9-1, the sealing strip 7 is complete
The indwelling tube 1 and defining member 14 are exited entirely until 7 head end end of the sealing strip is concordant with the head end of the guide sheath 10,
Then opening the flow-stopping clip 6 can be infused.
In the present invention, the gap between 10 head end end of the guide sheath and the water conservancy diversion inner wall of hopper can make liquid suitable
Profit by and through the indwelling tube 1 enter vein blood vessel, and the defining member 14 can not only keep the indwelling tube 1 into
Liquid mouth is in open configuration, and normal infusion can not be carried out by avoiding 1 inner wall of the indwelling tube from being adhered, while may also be ensured that institute
The indwelling tube 1 can smoothly be passed in and out by stating sealing strip 7, and described stay is not easily accessible when 7 head end of the sealing strip being avoided to bend
It sets in pipe 1 and indwelling tube is blocked.
The above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to the present invention
The restriction of embodiment can also make on the basis of the above description for those of ordinary skill in the art
Other various forms of variations or variation here can not be exhaustive all embodiments, every skill for belonging to the present invention
Row of the obvious changes or variations that art scheme is extended out still in protection scope of the present invention.
Claims (10)
1. anti-blood back venous detaining needle, including needle stand (2), drainage tube (5), flow-stopping clip (6), containment member (4) and indwelling tube
(1), defining member (14), the needle stand (2) is interior to be provided with cavity (3), which is characterized in that further includes pedestal (8), guide sheath
(10) tail end in the needle stand (2) is set and is threadedly coupled with the needle stand (2), institute with sealing strip (7), the pedestal (8)
State containment member (4) be layer adjacent in the cavity (3) of the needle stand (2) tail end and with the cavity (3) inner wall sealing
Connection, needle stand (2) head end is fixedly connected with the indwelling tube (1) tail end and the cavity (3) is flowed with the indwelling tube (1)
Body conducting connection, the drainage tube (5) are arranged on the side wall of the needle stand (2) and are connect with the cavity (3) fluid communication；
The defining member (4) is arranged in the indwelling tube (1) tail end and the needle stand (2) head end junction；The guide sheath (10)
Head end sequentially passes through the pedestal (8) and the containment member (4) is layer adjacent to the institute of the defining member (14) liquid inlet
State the gap that 0.7-1.5mm is equipped in cavity (3) and between the defining member (14) liquid inlet inner wall, the guide sheath
(10) tail end setting the needle stand (2) outside；The sealing strip (7) is axial along the guide sheath (10) under the action of thrust
Defining member setting is moved through in the indwelling tube (1) and sealing strip (7) the head end end at least with the indwelling tube
(1) outlet end end is concordant, and sealing strip (7) the head end outer wall coordinates with the indwelling tube (1) inner wall sealing, the guiding
Sheath (10) coordinates with the containment member (4) sealing；The sealing strip (7) is under the action of tractive force along the guide sheath (10)
The indwelling tube (1) is exited in axial movement.
2. anti-blood back venous detaining needle according to claim 1, which is characterized in that the sealing strip (7) is arranged described
In guide sheath (10) and sealing strip (7) outer wall coordinates with the guide sheath (10) inner wall sealing.
3. anti-blood back venous detaining needle according to claim 2, which is characterized in that the guide sheath (10) and the pedestal
(8) it is fixedly connected.
4. anti-blood back venous detaining needle according to claim 3, which is characterized in that on sealing strip (7) the tail end side wall
It is provided with sliding member, the sliding member includes connection strap (13), internally threaded sleeve (9) and external screw thread arc panel (9-1), institute
It states guide sheath (10) described in the side wall upper edge of guide sheath (10) and is axially provided through the guide sheath (10) inner and outer wall
The notch of guide groove, the guide groove is arranged on the guide sheath (10) tail end end；The external screw thread arc panel (9-1) sets
It sets in the internally threaded sleeve (9) and is threadedly coupled with the internally threaded sleeve, external screw thread arc panel (9-1) setting exists
The guide sheath (10) is fixedly connected outside and by one end of the connection strap (13), and the other end of the connection strap (13) passes through
The guide groove is fixedly connected with the sealing strip (7), and sealing strip (7) the tail end setting is in the guide sheath (10)；Institute
Sealing strip (7) guide sheath (10) described in the push-and-pull lower edge of the sliding member is stated to move axially.
5. anti-blood back venous detaining needle according to claim 4, which is characterized in that the defining member (14) includes water conservancy diversion
Pipe and water conservancy diversion funnel, the diversion pipe setting connect in the indwelling tube (1) tail end and with the indwelling tube (1) fluid communication
It connects, the tail end of the diversion pipe is connect with the water conservancy diversion funnel necking end fluid communication, and the water conservancy diversion funnel is located at the indwelling
(1) is managed outside and in the needle stand (2)；The head end of the guide sheath (10) close on the water conservancy diversion funnel and with the diversion pipe and
The water conservancy diversion funnel coaxial cooperation.
6. anti-blood back venous detaining needle according to claim 5, which is characterized in that the head end of the guide sheath (10) and institute
State the gap that 0.7-1.5mm is equipped between the inner wall of water conservancy diversion funnel.
7. according to any anti-blood back venous detaining needles of claim 1-6, which is characterized in that the containment member (4) is
Rubber stopper or medical material software plug, the rubber stopper or medical material software be equipped with opening beyond the Great Wall towards the pedestal (8) and
The coaxial conical through-hole with the pedestal (8), guide sheath (10) head end pass through the conical through-hole to be arranged in the cavity
(3) in.
8. anti-blood back venous detaining needle according to claim 7, which is characterized in that close on the sky of the pedestal (8)
It is provided with snap ring (11) on chamber (3) inner wall；Card slot (12) is provided on the rubber stopper outer wall；The rubber stopper is arranged described
When cavity (3) is interior, the snap ring (11) is clamped with the card slot (12).
9. anti-blood back venous detaining needle according to claim 8, which is characterized in that the conical through-hole cone angle is 2 ° -5 °.
10. according to any anti-blood back venous detaining needles of claim 1-6, which is characterized in that the sealing strip (7) is poly-
Urethane item or medical software item are provided with hydrophobic coat on sealing strip (7) side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471843.8A CN108578826A (en) | 2018-05-16 | 2018-05-16 | A kind of anti-blood back venous detaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810471843.8A CN108578826A (en) | 2018-05-16 | 2018-05-16 | A kind of anti-blood back venous detaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108578826A true CN108578826A (en) | 2018-09-28 |
Family
ID=63631645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810471843.8A Pending CN108578826A (en) | 2018-05-16 | 2018-05-16 | A kind of anti-blood back venous detaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108578826A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550103A (en) * | 2019-01-27 | 2019-04-02 | 北京仰生恒泰科技有限责任公司 | A kind of functional intravenous guide tube device blocked |
| WO2020151359A1 (en) * | 2019-01-27 | 2020-07-30 | 北京仰生恒泰科技有限责任公司 | Venous catheter device capable of being sealed |
| CN112043904A (en) * | 2019-06-06 | 2020-12-08 | 曾凡洪 | Venous catheter plugging device |
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| CN102485285A (en) * | 2010-12-03 | 2012-06-06 | 谢世庚 | Thrombosis prevention device of venous indwelling needle |
| CN203989265U (en) * | 2014-06-27 | 2014-12-10 | 孙红才 | A kind of preventing thrombosis venous detaining needle |
| CN204337420U (en) * | 2014-12-23 | 2015-05-20 | 潘立齐 | Venous detaining needle |
| CN209916912U (en) * | 2018-05-16 | 2020-01-10 | 曾凡洪 | Blood return prevention venous indwelling needle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201295452Y (en) * | 2007-12-10 | 2009-08-26 | 张亚平 | Y-shaped safe arteriovenous indwelling needle with a needleless connector positive-pressure containment valve |
| CN102485285A (en) * | 2010-12-03 | 2012-06-06 | 谢世庚 | Thrombosis prevention device of venous indwelling needle |
| CN203989265U (en) * | 2014-06-27 | 2014-12-10 | 孙红才 | A kind of preventing thrombosis venous detaining needle |
| CN204337420U (en) * | 2014-12-23 | 2015-05-20 | 潘立齐 | Venous detaining needle |
| CN209916912U (en) * | 2018-05-16 | 2020-01-10 | 曾凡洪 | Blood return prevention venous indwelling needle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109550103A (en) * | 2019-01-27 | 2019-04-02 | 北京仰生恒泰科技有限责任公司 | A kind of functional intravenous guide tube device blocked |
| WO2020151359A1 (en) * | 2019-01-27 | 2020-07-30 | 北京仰生恒泰科技有限责任公司 | Venous catheter device capable of being sealed |
| CN109550103B (en) * | 2019-01-27 | 2024-01-26 | 浙江百获健康科技有限公司 | Vein catheter device capable of plugging |
| CN112043904A (en) * | 2019-06-06 | 2020-12-08 | 曾凡洪 | Venous catheter plugging device |
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