CN104922761B - A kind of remaining needle with double duct - Google Patents
A kind of remaining needle with double duct Download PDFInfo
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- CN104922761B CN104922761B CN201510352652.6A CN201510352652A CN104922761B CN 104922761 B CN104922761 B CN 104922761B CN 201510352652 A CN201510352652 A CN 201510352652A CN 104922761 B CN104922761 B CN 104922761B
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- liquid
- inner tube
- flexible pipe
- outer catheter
- remaining needle
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- 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
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- 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)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
A kind of remaining needle with double duct, including indwelling flexible pipe, indwelling needle, the extension flexible pipe for extending base, being connected to indwelling needle and extending between base, the only liquid device being installed on extension flexible pipe, the extension flexible pipe includes outer catheter and inner tube, inlet of the lower end of outer catheter and inner tube respectively with indwelling needle is connected, at least one upper end of outer catheter and inner tube is connected with extending the liquid outlet of base, and only liquid device is installed on the position that outer catheter overlaps with inner tube and internally pipe forms continuous positive pressure.The present invention is due to using the extension flexible pipe with outer catheter and inner tube with the structure that only liquid device is combined with continuous positive pressure, it can reliably clamp and extend flexible pipe formation only liquid, outer catheter is extruded using only liquid device and large area continuous extrusion is carried out to inner tube and is allowed to deform upon again, blood backflow reaches the purpose of preventing thrombosis into indwelling flexible pipe caused by blood backflow caused by effectively avoiding extension tube flexible pipe resilience siphon and intravascular vein pressure fluctuate.
Description
Technical field
The present invention relates to a kind of remaining needle, belong to technical field of medical instruments.
Background technology
Existing remaining needle generally comprises indwelling flexible pipe, indwelling needle, extends base, is connected to indwelling needle and extension tube
Extensions flexible pipe between seat, the liquid stopping clamp being installed on extension flexible pipe, and existing liquid stopping clamp generally comprises holder, integrated device
In the intermediate plate on holder, holder, which is placed through, to be extended on flexible pipe, and can will extend flexible pipe by the cooperation of intermediate plate and holder clamps to be formed
Only liquid.But because existing liquid stopping clamp extends intermediate plate of the flexible pipe in liquid stopping clamp during extension flexible pipe is clamped due to clamping
A resilience is had after release, the former extension flexible pipe clamped is formed an elastic rebound and is caused blood backflow to indwelling flexible pipe
It is interior, cause blood backflow and form thrombus, influence the performance of remaining needle.Simultaneously because the tip of indwelling flexible pipe is open
, the pressure oscillation brought with patient respiration and heartbeat change also occurs that blood back and blood platelet and blood coagulation substance are entered and stayed
Put the phenomenon that blood coagulation plugging is caused in flexible pipe, especially because liquid stopping clamp is actively installed in extension tube, in infusion-completed and
Only after liquid during, liquid stopping clamp is easily swung on indwelling needle, cause extend flexible pipe in liquid produce siphonage and
Vessel inner blood is drawn back into indwelling flexible pipe, blood backflow is caused and forms thrombus, has a strong impact on the usage time of remaining needle,
Therefore existing remaining needle typically can only use 1-2 days just as the formation of thrombus and remaining needle must be pulled out, more renew
Remaining needle.
The content of the invention
It is an object of the invention to presence regarding to the issue above and deficiency, there is provided one kind is simple in construction, only liquid effect is steady
It is fixed reliable, can effectively avoid the thrombotic remaining needle with double duct.
The technical proposal of the invention is realized in this way：
A kind of remaining needle with double duct, it is characterised in that including indwelling flexible pipe, indwelling needle, extend base, connection
In indwelling needle and the extension flexible pipe extended between base, it is installed on to extend on flexible pipe and stops liquid device, wherein the extension is soft
Pipe include outer catheter and inner tube, the wherein lower end of outer catheter and inner tube is connected with the inlet of indwelling needle respectively, outer catheter with
At least one upper end of inner tube is connected with extending the liquid outlet of base, and only liquid device is installed on the position that outer catheter overlaps with inner tube
Put, and should only liquid device be the only liquid device that continuous positive pressure can be formed to the inner tube extended on flexible pipe.
Above-mentioned only liquid device is liquid stopping clamp, and positioned at liquid stopping clamp pressure contact portion point between the intermediate plate and holder of the liquid stopping clamp
The front portion of contact up and down at be additionally provided with it is at least one it is flexible with it is larger clamping area can to extend flexible pipe formed hold
The elastic pressuring clamping device of continuous malleation.
Above-mentioned elastic pressuring clamping device can be integrally formed on intermediate plate simultaneously position with the upper contact head of liquid stopping clamp pressure contact portion point
Elastic clamping body in a sideways u shape between intermediate plate and holder；Can also be integrally formed on intermediate plate and positioned at intermediate plate with
Vertical elastic body between holder；Can also be integrally formed in the hollow cylinder on intermediate plate and between intermediate plate and holder and
The combination for the spring being installed in the hollow cylinder.
The structure that wherein upper end of outer catheter and inner tube is connected with extending the liquid outlet of base, both can be in above-mentioned inner tube
Hold and be connected with extending the liquid outlet of base, outer catheter upper end open is sealingly fastened on inner tube lateral wall.Can also be above-mentioned outer
Conduit upper end is connected with extending the liquid outlet of base, and the upper end of inner tube is located in outer catheter.It can also be above-mentioned outer catheter upper end
All it is connected with the upper end of inner tube with extending the liquid outlet of base.
Malleation for the further raising present invention stops liquid effect and avoids the formation of thrombus, ensures that liquid stopping clamp will not drive only
Liquid presss from both sides bending or the reflexed of the extension flexible pipe between indwelling needle, and one end of above-mentioned liquid stopping clamp, which is provided with, is securable to indwelling needle side
Sleeve on wall inlet, liquid stopping clamp, on the inlet of indwelling needle, are avoided because stopping by the sleeve Hard link fixing device
Liquid folder swings and causes to extend the swing of flexible pipe and the appearance of twisted phenomena.Now, it is further to improve indwelling of the present invention
The application and practicality of pin, the present invention is increased the operating space of medical personnel in operation and reduce medical care people
The probability of member's touching extension tube, avoids the blood siphonage caused by the swing for extending flexible pipe.And facilitate medical personnel
One-handed performance, while right-hand man's operation is similarly convenient, solves the medical personnel that original left hand is conventional hand, opens clamp and uses
The shortcomings that left hand is difficult to open, while liquid stopping clamp foreign body sensation caused by being fixed on indwelling needle can be also reduced, make its angle
A triangle body is formed with remaining needle Y shape seat, reduces liquid stopping clamp and blows out scope, hand can be made to be reduced in activity and collide liquid stopping clamp and touch
Make the chance of the movement of Y shape seat, the chance of caused indwelling flexible pipe reflexed in the blood vessels.It is upper that above-mentioned sleeve is arranged at liquid stopping clamp
Opposite direction end position in liquid stopping clamp openend.
The present invention using the extension flexible pipe with outer catheter and inner tube and the only liquid device with continuous positive pressure due to mutually being tied
The structure of conjunction, the increase of the continuous positive pressure pressing device particularly with larger clamping area, had both enable liquid stopping clamp intermediate plate reliable
Ground, which clamps, extends flexible pipe formation only liquid, extrudes outer catheter using only liquid device again and carries out large area continuous extrusion to inner tube and be allowed to
Occur compared with large deformation, entered so as to extrude interior liquid in pipe in indwelling flexible pipe, pressure is conducted effectively to reach in indwelling flexible pipe
Acted on to continuous positive pressure, blood backflow and intravascular vein pressure ripple caused by so as to effectively avoid extension flexible pipe resilience siphon
Blood backflow caused by dynamic is into indwelling flexible pipe, while liquid in the spatia that outer catheter forms with inner tube or gas are formed
Lasting malleation, the malleation chamber formed between wall, and also the normal pressure of the malleation intracavitary acts in the inner tube in outer catheter all the time,
Continuous positive pressure is formed in inner tube leading portion, this malleation is consistently greater than human body internal jugular vein pressure, prevents blood backflow from forming thrombus, reaches anti-
The purpose of thrombus simultaneously extends the usage time of remaining needle by 7-10 days, reduces patient because puncturing the pain and payment for medical care brought repeatedly
Increase.Especially, the sleeve structure of liquid stopping clamp makes liquid stopping clamp Hard link be fixed on indwelling needle, avoids because liquid stopping clamp is put
Swing and the appearance of twisted phenomena dynamic and that cause extension flexible pipe, it effectively prevent indwelling needle end and extend flexible pipe swing and distortion
Siphonage is caused to make blood backflow in indwelling needle.The interaction of continuous positive pressure device and sleeve pipe makes indwelling needle simultaneously
Interior liquid forms a continuous positive pressure, further avoid the backflow of blood, reaches the purpose of preventing thrombosis, and structure of the present invention
Simply, make easily practical.
Describe the realization of the present invention in detail below in conjunction with accompanying drawing.
Brief description of the drawings
Fig. 1 is the status architecture schematic diagram that only liquid device is opened of first embodiment of the invention.
Fig. 2 is the status architecture schematic diagram that only liquid device clamps of first embodiment of the invention.
Fig. 3 is the status architecture schematic diagram that only liquid device is opened of second embodiment of the invention.
Fig. 4 is the status architecture schematic diagram that only liquid device clamps of second embodiment of the invention.
Fig. 5 is the status architecture schematic diagram that only liquid device is opened of third embodiment of the invention.
Fig. 6 is the status architecture schematic diagram that only liquid device clamps of third embodiment of the invention.
Fig. 7 is the status architecture schematic diagram that only liquid device is opened of fourth embodiment of the invention.
Fig. 8 is the status architecture schematic diagram that only liquid device is opened of fourth embodiment of the invention.
Fig. 9 is the status architecture schematic diagram that only liquid device clamps of fifth embodiment of the invention.
Figure 10 is the status architecture schematic diagram that only liquid device is opened of fifth embodiment of the invention.
Figure 11 is the status architecture schematic diagram that only liquid device clamps of sixth embodiment of the invention.
Figure 12 is the status architecture schematic diagram that only liquid device is opened of sixth embodiment of the invention.
Figure 13 is Fig. 3 of the present invention partial enlargement structural representation.
Figure 14 is Fig. 4 of the present invention partial enlargement structural representation.
Embodiment
As shown in Fig. 1 to Figure 14, a kind of remaining needle with double duct of the present invention, its feature is to include indwelling
Flexible pipe 11, indwelling needle 1, extend base 5, be connected to indwelling needle 1 and extend base 5 between extension flexible pipe, be installed on and prolong
Only liquid device on long soft-pipe, wherein the extension flexible pipe includes outer catheter 4 and inner tube 3, wherein under outer catheter 4 and inner tube 3
The inlet respectively with indwelling needle 1 is held to be connected, at least one upper end of outer catheter 4 and inner tube 3 and the liquid outlet for extending base 5
Connection, only liquid device be installed on the position that outer catheter 4 overlaps with inner tube 3, and should only liquid device be can be on extension flexible pipe
Pipe 3 forms the only liquid device of continuous positive pressure.Above-mentioned only liquid device is liquid stopping clamp 2, and the intermediate plate 23 and holder of the liquid stopping clamp 2
Between 22 positioned at liquid stopping clamp 2 press the upper contact head of contact portion point, be additionally provided with lower contact front portion it is at least one it is flexible have compared with
The big elastic pressuring clamping device 25 that continuous positive pressure can be formed to extending flexible pipe for clamping area.As shown in Figures 1 to 12, above-mentioned bullet
Property pressing device 25 be to press the upper contact head of contact portion point to be integrally formed on intermediate plate 23 and positioned at intermediate plate 23 and holder 22 with liquid stopping clamp 2
Between clamping body in a sideways u shape.Can also be that above-mentioned elastic pressuring clamping device 25 is formed as one on intermediate plate 23 and position
Vertical elastic body between intermediate plate 23 and holder 22.Above-mentioned elastic pressuring clamping device 25 is formed as one on intermediate plate 23 and position
The combination of hollow cylinder and spring between intermediate plate 23 and holder 22.The wherein upper end and extension tube of outer catheter 4 and inner tube 3
Seat 5 liquid outlet connection structure, both can be as shown in Figure 1, Figure 2, shown in Fig. 7, Fig. 8, the above-mentioned upper end of inner tube 3 with extend base 5
Liquid outlet connection, the upper end open of outer catheter 4 is sealingly fastened on the lateral wall of inner tube 3.Can also be such as Fig. 3, Fig. 4, Fig. 9, figure
Shown in 10, the above-mentioned upper end of outer catheter 4 is connected with extending the liquid outlet of base 5, and the upper end of inner tube 3 is located in outer catheter 4.On now
State and be provided with micropore 31 positioned at only one section of inner tube between liquid device and indwelling needle 1 in inner tube 3, the micropore 31 is poor in no pressure
When automatic retracting and effectively prevent the liquid in inner tube from being back to outer catheter inner chamber, and when malleation decoction being present in outer catheter inner chamber
The micropore 31 can open to form microchannel and make the decoction in outer catheter inner chamber slowly drop in inner tube at positive pressure afterwards
And press into vein blood vessel and prevent blood backflow from avoiding thrombosis into retaining needle flexible tube 11.Can also be Fig. 5, Fig. 6,
Shown in Figure 11, Figure 12, the upper end of the above-mentioned upper end of outer catheter 4 and inner tube 3 is all connected with extending the liquid outlet of base 5.The present invention by
In using the extension flexible pipe 2 with outer catheter 4 and inner tube 3 with stopping the structure that is combined of liquid device with continuous positive pressure, especially
It is the increase of the continuous positive pressure pressing device with larger clamping area, the intermediate plate 23 of liquid stopping clamp 2 is reliably clamped extension
Flexible pipe, which is formed, stops liquid, the progress large area continuous extrusion of inner tube 3 is allowed to occur larger using only liquid device extruding outer catheter 4 again
Deformation, entered so as to extrude liquid in inner tube 3 in indwelling flexible pipe 11, pressure is conducted effectively to reach in indwelling flexible pipe 11 and held
Continuous positive pressure, blood backflow and intravascular vein pressure ripple caused by so as to effectively avoid the resilience siphon of extension tube flexible pipe 2
Blood backflow caused by dynamic is into indwelling flexible pipe 11, while liquid or gas in the spatia that outer catheter 4 and inner tube 3 form
Form lasting malleation, the malleation chamber formed between wall, and the normal pressure of the malleation intracavitary act on all the time it is interior in outer catheter 4
On pipe 3, continuous positive pressure is formed in the leading portion of inner tube 3, this malleation is consistently greater than human body internal jugular vein pressure, prevents blood backflow from forming blood
Bolt.The usage time for reaching the purpose of preventing thrombosis and extending remaining needle reduced patient because puncturing the pain brought repeatedly by 7-10 days
Bitter and medical expense increase.
Malleation for the further raising present invention stops liquid effect and avoids the formation of thrombus, ensures that liquid stopping clamp will not drive only
The bending of extension flexible pipe 2 between liquid folder 2 and indwelling needle 1 or reflexed, as shown in Fig. 7 to Figure 12, one end of above-mentioned liquid stopping clamp 2 is set
There is a sleeve 21 being securable on the side wall inlet of indwelling needle 1, liquid stopping clamp 2 is by the Hard link fixing device of sleeve 21 in staying
On the inlet for putting needle stand 1, avoid because liquid stopping clamp 2 is swung and caused by extend flexible pipe swing and twisted phenomena appearance.Now,
Further to improve the application of remaining needle of the present invention and practicality, the present invention is set to increase medical care in operation
The operating space of personnel and the probability for reducing medical personnel's touching extension tube, avoid the blood caused by the swing for extending flexible pipe
Liquid siphonage.And facilitate medical personnel's one-handed performance, while right-hand man's operation is similarly convenient, it is normal to solve original left hand
With the medical personnel of hand, the shortcomings that clamp is difficult to open with left hand is opened, while can also reduce liquid stopping clamp 2 because being fixed on indwelling
Caused foreign body sensation on needle stand 1, its angle and remaining needle Y shape seat is formed a triangle body, reduce liquid stopping clamp 2 and blow out scope,
Hand can be made to reduce the chance that collision liquid stopping clamp 2 touches the movement for making Y shape seat in activity, caused indwelling flexible pipe 11 is anti-in the blood vessels
The chance of folding.Above-mentioned sleeve is arranged at the opposite direction end position for being located at the openend 24 of liquid stopping clamp 2 on liquid stopping clamp 2.The set of liquid stopping clamp 2
21 structures of cylinder make the Hard link of liquid stopping clamp 2 be fixed on indwelling needle 1, effectively avoid swing of the liquid stopping clamp 2 on indwelling needle 1,
Effectively avoid because liquid stopping clamp swing and caused by extend flexible pipe swing and twisted phenomena appearance.Siphonage is caused to return blood
Flow in indwelling needle tubing.The interaction of continuous positive pressure device and sleeve pipe makes the liquid use in indwelling needle 1 form one simultaneously
Individual continuous positive pressure, the backflow of blood is avoided, reach the purpose of preventing thrombosis, and the present invention is simple in construction, makes easily practical.
Claims (11)
1. a kind of remaining needle with double duct, it is characterised in that including indwelling flexible pipe（11）, indwelling needle（1）, extend base
（5）, be connected to indwelling needle（1）With extending base（5）Between extension flexible pipe, be installed on extend flexible pipe on only liquid device,
Wherein described extension flexible pipe includes outer catheter（4）And inner tube（3）, wherein outer catheter（4）And inner tube（3）Lower end respectively with indwelling
Needle stand（1）Inlet connection, only inner tube（3）Lower ending opening and inlet be in fluid communication, outer catheter（4）And inner tube（3）'s
At least one upper end is with extending base（5）Liquid outlet connection, only liquid device is installed on outer catheter（4）With inner tube（3）Overlap
Position, and should only liquid device for can to extend flexible pipe on inner tube（3）Form the only liquid device of continuous positive pressure.
2. remaining needle according to claim 1, it is characterised in that above-mentioned only liquid device is liquid stopping clamp（2）, and it is described only
Liquid presss from both sides（2）Intermediate plate（23）With holder（22）Between be located at liquid stopping clamp（2）Upper contact head, the lower contact of pressure contact portion point are also set at front portion
There is at least one flexible elastic pressuring clamping device that continuous positive pressure can be formed to extending flexible pipe with larger clamping area
（25）.
3. remaining needle according to claim 2, it is characterised in that above-mentioned elastic pressuring clamping device（25）For with liquid stopping clamp（2）
The upper contact head of pressure contact portion point is integrally formed at intermediate plate（23）Go up and be located at intermediate plate（23）With holder（22）Between it is in a sideways u shape
Clamping body.
4. remaining needle according to claim 2, it is characterised in that above-mentioned elastic pressuring clamping device（25）Be formed as one in
Intermediate plate（23）Go up and be located at intermediate plate（23）With holder（22）Between vertical elastic body.
5. remaining needle according to claim 2, it is characterised in that above-mentioned elastic pressuring clamping device（25）Be formed as one in
The combination of hollow cylinder and spring on intermediate plate (23) and between intermediate plate (23) and holder (22).
6. remaining needle according to claim 1, it is characterised in that above-mentioned inner tube（3）Upper end is with extending base（5）Go out liquid
Mouth connection, outer catheter（4）Upper end open is sealingly fastened in inner tube（3）On lateral wall.
7. remaining needle according to claim 1, it is characterised in that above-mentioned outer catheter（4）Upper end is with extending base（5）Go out
Liquid mouth connects, inner tube（3）Upper end be located at outer catheter（4）It is interior.
8. remaining needle according to claim 7, it is characterised in that above-mentioned inner tube（3）It is upper to be located at only liquid device and indwelling needle
（1）Between one section of inner tube be provided with micropore（31）, the micropore（31）The automatic retracting in no pressure difference and effectively prevent inner tube
In liquid be back to outer catheter inner chamber, and micropore after malleation decoction in outer catheter inner chamber be present（31）Can be in positive pressure
Lower opening forms microchannel and the decoction in outer catheter inner chamber is slowly dropped in inner tube and is pressed to and prevented into vein blood vessel
Blood backflow avoids thrombosis into retaining needle flexible tube (11).
9. remaining needle according to claim 1, it is characterised in that above-mentioned outer catheter（4）Upper end and inner tube（3）Upper end all
With extending base（5）Liquid outlet connection.
10. remaining needle according to claim 1, it is characterised in that above-mentioned liquid stopping clamp（2）One end be provided be securable to stay
Put needle stand（1）Sleeve on side wall inlet（21）, liquid stopping clamp（2）Pass through the sleeve（21）Hard link fixing device is in remaining needle
Seat（1）Inlet on, avoid because of liquid stopping clamp（2）Swing and cause to extend the swing of flexible pipe and the appearance of twisted phenomena.
11. remaining needle according to claim 10, it is characterised in that above-mentioned sleeve（21）It is arranged at liquid stopping clamp（2）It is upper to be located at only
Liquid presss from both sides（2）Openend（24）Opposite direction end position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352652.6A CN104922761B (en) | 2015-06-24 | 2015-06-24 | A kind of remaining needle with double duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510352652.6A CN104922761B (en) | 2015-06-24 | 2015-06-24 | A kind of remaining needle with double duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104922761A CN104922761A (en) | 2015-09-23 |
| CN104922761B true CN104922761B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510352652.6A Active CN104922761B (en) | 2015-06-24 | 2015-06-24 | A kind of remaining needle with double duct |
Country Status (1)
| Country | Link |
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| CN (1) | CN104922761B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104399144B (en) * | 2014-12-01 | 2017-12-22 | 河南曙光健士医疗器械集团股份有限公司 | A kind of remaining needle of band sustained release malleation |
| CN108079402A (en) * | 2017-12-28 | 2018-05-29 | 谢世庚 | Combined pressurization liquid stopping clamp |
| CN107998484A (en) * | 2017-12-28 | 2018-05-08 | 谢世庚 | Washing pipe formula liquid stopping clamp |
| CN109316647A (en) * | 2018-11-26 | 2019-02-12 | 薛玉民 | A kind of micro-fluidic preventing thrombosis venous detaining needle |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7124996B2 (en) * | 2004-07-16 | 2006-10-24 | Cardinal Health 303, Inc. | Automatic clamp apparatus for IV infusion sets used in pump devices |
| JP4906408B2 (en) * | 2006-06-19 | 2012-03-28 | ユニチカ株式会社 | Indwelling catheter |
| CN102188761B (en) * | 2011-03-14 | 2015-08-05 | 张亚根 | A kind of positive-pressure pinch valve |
| CN203400402U (en) * | 2013-08-15 | 2014-01-22 | 王幸明 | Remaining needle anti-reflux valve and remaining needle provided with remaining needle anti-reflux valve |
| CN204208133U (en) * | 2014-10-21 | 2015-03-18 | 广东龙心医疗器械有限公司 | Liquid stopping clamp |
| CN204181960U (en) * | 2014-10-24 | 2015-03-04 | 北京天地和协科技有限公司 | A kind of remaining needle |
| CN204275171U (en) * | 2014-12-01 | 2015-04-22 | 邹卫平 | A kind of remaining needle with slow release malleation |
| CN104399145B (en) * | 2014-12-18 | 2016-11-23 | 邓杜娟 | A kind of double lumen tube self-sealing venous detaining needle |
| CN104645448B (en) * | 2015-02-02 | 2018-07-13 | 湛江健力源医疗用品有限公司 | A kind of reverse flow resistant indwelling needle |
| CN204864342U (en) * | 2015-06-24 | 2015-12-16 | 湛江健力源医疗用品有限公司 | Keep somewhere needle with two pipes |
-
2015
- 2015-06-24 CN CN201510352652.6A patent/CN104922761B/en active Active
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| CN104922761A (en) | 2015-09-23 |
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Address after: No. 679 Guangyuan Road, Longtou Town, Potou District, Zhanjiang City, Guangdong Province, 524001 Patentee after: Zhanjiang Jianliyuan Medical Supplies Co.,Ltd. Address before: 524043 No. 26, Renmin Avenue Middle, Zhanjiang City, Guangdong Province Patentee before: ZHANJIANG JIANLIYUAN MEDICAL PRODUCTS Co.,Ltd. |