CN201603252U - Positive-pressure closed-type arterious and venous indwelling needle - Google Patents
Positive-pressure closed-type arterious and venous indwelling needle Download PDFInfo
- Publication number
- CN201603252U CN201603252U CN2010200614123U CN201020061412U CN201603252U CN 201603252 U CN201603252 U CN 201603252U CN 2010200614123 U CN2010200614123 U CN 2010200614123U CN 201020061412 U CN201020061412 U CN 201020061412U CN 201603252 U CN201603252 U CN 201603252U
- Authority
- CN
- China
- Prior art keywords
- needle
- stem
- positive
- puncture needle
- indwelling
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a positive-pressure closed-type arterious and venous indwelling needle which comprises a puncture needle component, an indwelling sleeve component and a needle point protecting cap, wherein the puncture needle component comprises a puncture needle seat and a puncture needle tube; the indwelling sleeve component comprises an indwelling needle catheter and a straight-through catheter seat; the indwelling needle catheter is arranged at the front end of the straight-through catheter seat which is a positive-pressure device that is internally provided with a positive-pressure part; and the puncture needle tube passes through the positive-pressure part and then extends into the indwelling needle catheter. The positive-pressure closed-type arterious and venous indwelling needle reduces the procedures of repeatedly sealing the tube and washing the tube for a plurality of times, lightens the nursing work load, improves the working efficiency, and simultaneously reduces the incidence rate of phlebitis. In addition, when an infusion apparatus or a syringe is pulled out, the liquid can be pushed in forward, so that thrombus formed by blood backflow can be avoided, and the plugging rate is reduced.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of transfusion apparatus.
Background technology
Existing remaining needle comprises puncture needle assembly, indwelling casing tube assembly and needle point helmet, wherein the puncture needle assembly comprises puncture needle needle stand and puncture needle tubing, the indwelling casing tube assembly comprises that the front portion is provided with the threeway catheter block of indwelling needle catheter, long duct, long duct seat, calparine cap and flow-stopping clip, above-mentioned triplet type catheter block comprises the through duct seat and is arranged at the bypass interface of through duct seat one side, be provided with batching pig in the through duct seat, the puncture needle tubing inserts in the indwelling needle catheter after passing batching pig.
When but existing remaining needle uses, need repeated multiple times washing pipe, tube sealing, not only increased nursing work load, also increased phlebitic incidence rate simultaneously.And in practical operation, no matter be transfusion device or syringe, when remaining needle withdraws from, the capital produces negative pressure and blood back, and forms thrombosis, prevent the generation of blood back, just must be when the withdraw of the needle while moving back feed liquor, require the nurse to have relatively abundanter behaviour's experience, otherwise, be difficult to obtain satisfied effect.
In order to address the above problem, this field designer has designed multiple remaining needle with positive-pressure function, these malleation remaining needles generally all connect in long duct seat place and establish a positive pressure devices, so that when transfusion device or syringe are extracted, not only do not have blood reflux to flow in the remaining needle, can be pushed forward into medicinal liquid on the contrary, so just avoided blood to reflux and formed thrombosis, reduce the plugging rate, and do not needed the reuse anticoagulant.
In addition, remaining needle is mainly used in transfusion clinically at present, and vein is taked blood sample all to be equipped with blood taking needle with vacuum test tube to take a blood sample in vein blood vessel, and blood sampling all is to separate to carry out with infusing, and carries out repeatedly venipuncture, causes the sufferer misery.
Summary of the invention
This utility model purpose is: a kind of positive-pressure closing type iv cannule is provided, this remaining needle has reduced repeated multiple times tube sealing, washing pipe program, alleviated nursing work load, improve work efficiency, also reduced phlebitic incidence rate simultaneously, in addition, when transfusion device or syringe are extracted, can be pushed forward into medicinal liquid, avoid blood to reflux and formed thrombosis, reduce the plugging rate.
The technical solution of the utility model is: a kind of positive-pressure closing type iv cannule, comprise puncture needle assembly, indwelling casing tube assembly and needle point helmet, described puncture needle assembly comprises puncture needle needle stand and puncture needle tubing, described indwelling casing tube assembly comprises indwelling needle catheter and through duct seat, described indwelling needle catheter is arranged on the front end of through duct seat, described through duct seat has the positive pressure devices of positive pressure part for inside, stretches in the indwelling needle catheter after the puncture needle tubing passes positive pressure part.
The afterbody of described puncture needle needle stand is formed with an opening that is communicated with the puncture needle tubing, and opening part is connected with end cap hermetically.The front portion of described end cap has an insertion section that is used to insert opening, and the periphery of insertion section is provided with a clamping ring, and the inwall of clamping ring is provided with the female thread that cooperates with the external screw thread of puncture needle needle stand afterbody.
The rear portion of described through duct endoporus is provided with step, endoporus before the step is first endoporus of slightly larger in diameter, endoporus behind the step is the second smaller endoporus of diameter, described positive pressure part comprise be arranged on first endoporus forward before end closure, the resilient sleeve of open rearward end, be connected with to the rear seal of resilient sleeve stem stem, be provided with post in the stem stem, the rear portion of stem stem is plugged in second endoporus and can slides hermetically in second endoporus, the rear end face of described stem stem is a guide face that tilts, the puncture needle tubing passes stem stem, post, insert indwelling needle catheter behind resilient sleeve inner chamber and the resilient sleeve antetheca, the front inner wall of described second endoporus has some axial diversion grooves, be formed with the diversion cavity that is communicated with guiding gutter between resilient sleeve and the through duct seat, the front portion of diversion cavity is communicated with indwelling needle catheter.
The front portion of described resilient sleeve has the less positioning boss of diameter, and the periphery of positioning boss is provided with several location double wedges, and the gap that the front opening tight fit of location double wedge and through duct seat, diversion cavity are then passed between the double wedge of location is communicated with indwelling needle catheter.
The Inner Front End of described resilient sleeve and the front end of stem stem are respectively equipped with first pad and second pad, are connected with spring between first pad and second pad, and described puncture needle tubing is located in the spring.
The front portion of described stem stem is plugged in the open rearward end of resilient sleeve and by first sealing ring and resilient sleeve and is tightly connected, and the rear portion of stem stem is slidingly connected hermetically by second sealing ring and second endoporus.
Described stem stem has the containing cavity of an open front, and post is arranged in this containing cavity.
The through-type catheter block that described through duct seat can only be communicated with for two ends forms the triplet type catheter block but also can add a bypass interface in a side.When it was the triplet type catheter block, described indwelling casing tube assembly also comprised long duct, long duct seat and the calparine cap that is connected successively with the bypass interface of through duct seat, is folded with flow-stopping clip on the described long duct.Above-mentioned long duct seat can connect the dosing part, the dosing when realizing transfusion.
This utility model advantage is:
1. this utility model has reduced repeated multiple times tube sealing, washing pipe program, alleviated nursing work load, improved work efficiency, also reduced simultaneously phlebitic incidence rate, in addition, when transfusion device or syringe are extracted, can be pushed forward into medicinal liquid, avoid blood to reflux and formed thrombosis, reduced the plugging rate.
2. when this utility model uses, before not extracting puncture needle, by still puncture needle assembly in arteries or vein blood vessel and non-puncture type hemostix, take a blood sample from the opening part of puncture needle needle stand, finish blood collection procedure and carry out normal remaining needle transfusion, so just avoided twice puncture of patient, alleviated the misery of sufferer greatly because of taking blood sample to cause.
Description of drawings
The structural representation of Fig. 1 when being through-type catheter block for the through duct seat in this utility model;
Fig. 2 is the decomposing schematic representation after the end cap of puncture needle needle stand afterbody among Fig. 1 is dismantled;
Fig. 3 is the A-A cutaway view among Fig. 1;
One of Fig. 4 user mode figure when being through-type catheter block for the through duct seat in this utility model;
Two of the user mode figure of Fig. 5 when being through-type catheter block for the through duct seat in this utility model;
The structural representation of Fig. 6 when being the triplet type catheter block for the through duct seat in this utility model;
Fig. 7 is the decomposing schematic representation after the end cap of puncture needle needle stand afterbody among Fig. 6 is dismantled;
One of Fig. 8 user mode figure when being the triplet type catheter block for the through duct seat in this utility model;
Two of the user mode figure of Fig. 9 when being the triplet type catheter block for the through duct seat in this utility model.
Wherein: 10 puncture needle assemblies; 11 puncture needle needle stands; 111 openings; 12 puncture needle tubings; 13 end caps; 131 insertion sections; 132 clamping rings
20 keep somewhere grip assembly; 21 indwelling needle catheters; 22 through duct seats; 221 steps; 222 first endoporus; 223 second endoporus; 2231 guiding gutters; 224 resilient sleeve; 2241 positioning boss; 2242 location double wedges; 225 stem stems; 226 post; 227 guide faces; 228 diversion cavity; 229 first pads; 2,210 second pads; 2211 springs; 2,212 first sealing rings; 2,213 second sealing rings; 23 bypass interfaces; 24 long ducts; 25 long duct seats; 26 calparine caps; 27 flow-stopping clips; 30 needle point helmets;
40 non-puncture type hemostixes; 41 blood taking needle assemblies; 42 conduits; 43 joints.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is further described:
Embodiment: as Fig. 1, Fig. 2 and shown in Figure 3, a kind of positive-pressure closing type iv cannule, comprise puncture needle assembly 10, indwelling casing tube assembly 20 and needle point helmet 30, described puncture needle assembly 10 comprises puncture needle needle stand 11 and puncture needle tubing 12, described indwelling casing tube assembly 20 comprises indwelling needle catheter 21 and through duct seat 22, described indwelling needle catheter 21 is arranged on the front end of through duct seat 22, described through duct seat 22 has the positive pressure devices of positive pressure part for inside, stretches in the indwelling needle catheter 21 after puncture needle tubing 12 passes positive pressure part.
The rear portion of described through duct 22 endoporus is provided with step 221, endoporus before the step 221 is first endoporus 222 of slightly larger in diameter, endoporus behind the step 221 is the second smaller endoporus 223 of diameter, described positive pressure part comprise be arranged on first endoporus 222 forward before end closures, the resilient sleeve 224 of open rearward end, be connected with to the rear seal of resilient sleeve 224 stem stem 225, be provided with post 226 in the stem stem 225, the rear portion of stem stem 225 is plugged in second endoporus 223 and can slides hermetically in second endoporus 223, the rear end face of described stem stem 225 is a guide face 227 that tilts, puncture needle tubing 12 passes stem stem 225, post 226, insert indwelling needle catheter 21 behind resilient sleeve 224 inner chambers and resilient sleeve 224 antethecas, the front inner wall of described second endoporus 223 has some axial diversion grooves 2231, be formed with the diversion cavity 28 that is communicated with guiding gutter 2231 between resilient sleeve 224 and the through duct seat 22, the front portion of diversion cavity 28 is communicated with indwelling needle catheter 21.
The front portion of described resilient sleeve 224 has the less positioning boss of diameter 2241, the periphery of positioning boss 2241 is provided with several location double wedges 2242, the gap that the front opening tight fit of location double wedge 2242 and through duct seat 22,28 of diversion cavity are passed 2242 of location double wedges is communicated with indwelling needle catheter 21.
The front end of the Inner Front End of described resilient sleeve 224 and stem stem 225 is respectively equipped with between first pad 229 and second pad, 2210, the first pads 229 and second pad 2210 and is connected with spring 2211, and described puncture needle tubing 12 is located in the spring 2211.Above-mentioned stem stem 225, first pad 229 and second pad 2210 are that plastic material makes.
The front portion of described stem stem 225 is plugged in the open rearward end of resilient sleeve 224 and by first sealing ring 2212 and is tightly connected with resilient sleeve 224, and the rear portion of stem stem 225 is slidingly connected hermetically by second sealing ring 2213 and second endoporus 223.Described stem stem 225 has the containing cavity of an open front, and post 226 is arranged in this containing cavity.
The afterbody of described puncture needle needle stand 11 is formed with an opening 111 that is communicated with puncture needle tubing 12, and opening 111 places are connected with end cap 13 hermetically.The front portion of described end cap 13 has an insertion section 131 that is used to insert opening 111, and the periphery of insertion section 131 is provided with a clamping ring 132, and the inwall of clamping ring 132 is provided with the female thread that cooperates with the external screw thread of puncture needle needle stand 11 afterbodys.
Preferred version of the present utility model is the through-type catheter block that through duct seat 22 only is communicated with for two ends, and the use of this kind remaining needle is described as follows:
As shown in Figure 4 and Figure 5, before puncture needle assembly 10 is not extracted, screw off the end cap 13 of puncture needle needle stand 11 afterbodys, rapidly non-puncture type hemostix 40 is connected with puncture needle needle stand 11 afterbodys, take to extract behind the quantitative blood sample puncture needle assembly 10 of related non-puncture type hemostix 40 then by blood taking tube, carry out normal remaining needle transfusion after finishing blood collection procedure.Or the end cap 13 that screws off puncture needle needle stand 11 afterbodys before 12 punctures of puncture needle tubing is connected with non-puncture type hemostix 40, puncture, take to extract behind the quantitative blood sample puncture needle assembly 10 of related non-puncture type hemostix 40 then by blood taking tube, carry out normal remaining needle transfusion after finishing blood collection procedure.
After puncture needle assembly 10 was extracted, the post 226 in resilient sleeve 224 antethecas and the stem stem 225 was closed the two ends pin hole respectively, makes the chamber that forms sealing in the resilient sleeve 224.Be connected through duct seat 22 this moment with transfusion device, when through duct seat 22 is inserted in the insertion section of transfusion device, promote stem stem 225 reaches, make guide face 27 and guiding gutter 2231 conductings, this moment, fluid path was opened and diversion cavity 28 volumes become big, and the medicinal liquid of transfusion device flows into guiding gutters 2231, diversion cavity 28 and indwelling needle catheter 21 backs by guide face 27 and injects human bodies; After transfusion is finished, extract transfusion device, resilient sleeve 224 is under the reset response of spring 2211, move after driving stem stem 225, and then blocking-up guide face 27 and guiding gutter 2231, realize closing of fluid path, owing to form malleation in the diversion cavity 28 at this moment, medicinal liquid in the diversion cavity 28 is squeezed and can only flows into indwelling needle catheter 21 forward, thereby continues to inject human body.Therefore, when transfusion device is extracted, not only do not have blood reflux to flow in the remaining needle, can be pushed forward into medicinal liquid on the contrary, avoided blood to reflux and formed thrombosis, reduced the plugging rate, do not need the reuse anticoagulant, widened the scope of application of remaining needle.
The claimed through duct seat 22 of this utility model not only can also connect 23 triplet type catheter block (referring to Fig. 6 to Fig. 9) for add a bypass in the one side for the through-type catheter block (referring to Fig. 1 to Fig. 5) of two ends connection.When it was the triplet type catheter block, described indwelling casing tube assembly 20 also comprised with the bypass of through duct seat 22 and connects 23 long ducts that are connected successively 24, long duct seat 25 and calparine cap 26, is folded with flow-stopping clip 27 on the described long duct 24.Above-mentioned long duct seat 25 can connect the dosing part, the dosing when realizing transfusion.This kind remaining needle blood sampling and infusion process be the same to be stated brightly, and therefore no longer doing having illustrated more.
As Fig. 4, Fig. 5, Fig. 8 and shown in Figure 9, the above-mentioned non-puncture type hemostix 40 that cooperates with this utility model comprises the blood taking needle assembly 41 supporting with vacuum test tube, and the blood sampling end of described blood taking needle assembly 41 is communicated with the joint 43 that cooperates with through duct seat 22 afterbodys by conduit 42.Above-mentioned conduit 42 can directly be plugged in interior (referring to Fig. 4) of interface of blood taking needle assembly 41, also can be connected (referring to Fig. 5, Fig. 8 and Fig. 9) with blood taking needle assembly 41 by blood taking needle catheter block 44.And described joint 3 can be screwed union 31 (referring to Fig. 4 and Fig. 8), also can be cassette joint 32 (referring to Fig. 5 and Fig. 9), can also be the straight cutting joint.
Claims (9)
1. positive-pressure closing type iv cannule, comprise puncture needle assembly (10), indwelling casing tube assembly (20) and needle point helmet (30), described puncture needle assembly (10) comprises puncture needle needle stand (11) and puncture needle tubing (12), described indwelling casing tube assembly (20) comprises indwelling needle catheter (21) and through duct seat (22), described indwelling needle catheter (21) is arranged on the front end of through duct seat (22), it is characterized in that: described through duct seat (22) has the positive pressure devices of positive pressure part for inside, stretches in the indwelling needle catheter (21) after puncture needle tubing (12) passes positive pressure part.
2. according to the described positive-pressure closing type of claim 1 iv cannule, it is characterized in that: the afterbody of described puncture needle needle stand (11) is formed with an opening (111) that is communicated with puncture needle tubing (12), and opening (111) locates to be connected with hermetically end cap (13).
3. according to the described positive-pressure closing type of claim 2 iv cannule, it is characterized in that: the front portion of described end cap (13) has an insertion section (131) that is used to insert opening (111), the periphery of insertion section (131) is provided with a clamping ring (132), and the inwall of clamping ring (132) is provided with the female thread that cooperates with the external screw thread of puncture needle needle stand (11) afterbody.
4. according to claim 1 or 2 or 3 described positive-pressure closing type iv cannules, it is characterized in that: the rear portion of described through duct seat (22) endoporus is provided with step (221), the preceding endoporus of step (221) is first endoporus (222) of slightly larger in diameter, endoporus behind the step (221) is smaller second endoporus (223) of diameter, described positive pressure part comprise be arranged on first endoporus (222) forward before end closure, the resilient sleeve of open rearward end (224), be connected with to the rear seal of resilient sleeve (224) stem stem (225), be provided with post (226) in the stem stem (225), the rear portion of stem stem (225) is plugged in second endoporus (223) and can slides hermetically in second endoporus (223), the rear end face of described stem stem (225) is a guide face (227) that tilts, puncture needle tubing (12) passes stem stem (225), post (226), insert indwelling needle catheter (21) behind resilient sleeve (224) inner chamber and resilient sleeve (224) antetheca, the front inner wall of described second endoporus (223) has some axial diversion grooves (2231), be formed with the diversion cavity (228) that is communicated with guiding gutter (2231) between resilient sleeve (224) and the through duct seat (22), the front portion of diversion cavity (228) is communicated with indwelling needle catheter (21).
5. according to the described positive-pressure closing type of claim 4 iv cannule, it is characterized in that: the front portion of described resilient sleeve (224) has the less positioning boss of diameter (2241), the periphery of positioning boss (2241) is provided with several location double wedges (2242), the gap that the front opening tight fit of location double wedge (2242) and through duct seat (22), diversion cavity (28) are then passed between location double wedge (2242) is communicated with indwelling needle catheter (21).
6. according to the described positive-pressure closing type of claim 4 iv cannule, it is characterized in that: the front end of the Inner Front End of described resilient sleeve (224) and stem stem (225) is respectively equipped with first pad (229) and second pad (2210), be connected with spring (2211) between first pad (229) and second pad (2210), described puncture needle tubing (12) is located in the spring (2211).
7. according to the described positive-pressure closing type of claim 4 iv cannule, it is characterized in that: the front portion of described stem stem (225) is plugged in the open rearward end of resilient sleeve (224) and by first sealing ring (2212) and resilient sleeve (224) and is tightly connected, and the rear portion of stem stem (225) is slidingly connected hermetically by second sealing ring (2213) and second endoporus (223).
8. according to the described positive-pressure closing type of claim 4 iv cannule, it is characterized in that: the containing cavity that described stem stem (225) has an open front, post (226) is arranged in this containing cavity.
9. according to any described positive-pressure closing type iv cannule in claim 1 or 2 or 3, it is characterized in that: a side of described through duct seat (22) is provided with a bypass interface (23), described indwelling casing tube assembly (20) also comprises long duct (24), long duct seat (25) and the calparine cap (26) that is connected successively with the bypass interface (23) of through duct seat (22), is folded with flow-stopping clip (27) on the described long duct (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200614123U CN201603252U (en) | 2010-01-12 | 2010-01-12 | Positive-pressure closed-type arterious and venous indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200614123U CN201603252U (en) | 2010-01-12 | 2010-01-12 | Positive-pressure closed-type arterious and venous indwelling needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201603252U true CN201603252U (en) | 2010-10-13 |
Family
ID=42947961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200614123U Expired - Fee Related CN201603252U (en) | 2010-01-12 | 2010-01-12 | Positive-pressure closed-type arterious and venous indwelling needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201603252U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071227A (en) * | 2013-01-24 | 2013-05-01 | 陆培华 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
| CN103272305A (en) * | 2013-05-15 | 2013-09-04 | 浙江康泰医疗器械有限公司 | Novel pen type indwelling needle |
| CN103330970A (en) * | 2013-07-25 | 2013-10-02 | 谢世庚 | Automatically-sealed thrombus-prevented venous indwelling needle and use method thereof |
| CN104162202A (en) * | 2014-06-10 | 2014-11-26 | 丁培琪 | Reverse-flowing-prevention venous indwelling needle |
| CN104757980A (en) * | 2015-04-22 | 2015-07-08 | 浙江灵洋医疗器械有限公司 | Blood return preventing collection needle |
| CN111671531A (en) * | 2020-06-12 | 2020-09-18 | 杭州牙科医院有限公司 | Root canal paste filling device for root canal therapy |
| CN111671440A (en) * | 2020-07-22 | 2020-09-18 | 徐州医科大学 | Artery blood sampling device |
| CN112156274A (en) * | 2020-09-09 | 2021-01-01 | 周建勋 | Implanted is feed through buffer for medical equipment |
-
2010
- 2010-01-12 CN CN2010200614123U patent/CN201603252U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071227A (en) * | 2013-01-24 | 2013-05-01 | 陆培华 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
| CN103071227B (en) * | 2013-01-24 | 2014-09-03 | 陆培华 | Positive-pressure pulse type flushing-pipe injector for detaining passages of blood vessels |
| CN103272305A (en) * | 2013-05-15 | 2013-09-04 | 浙江康泰医疗器械有限公司 | Novel pen type indwelling needle |
| CN103330970A (en) * | 2013-07-25 | 2013-10-02 | 谢世庚 | Automatically-sealed thrombus-prevented venous indwelling needle and use method thereof |
| CN103330970B (en) * | 2013-07-25 | 2015-01-07 | 谢世庚 | Automatically-sealed thrombus-prevented venous indwelling needle and use method thereof |
| CN104162202A (en) * | 2014-06-10 | 2014-11-26 | 丁培琪 | Reverse-flowing-prevention venous indwelling needle |
| CN104757980A (en) * | 2015-04-22 | 2015-07-08 | 浙江灵洋医疗器械有限公司 | Blood return preventing collection needle |
| CN111671531A (en) * | 2020-06-12 | 2020-09-18 | 杭州牙科医院有限公司 | Root canal paste filling device for root canal therapy |
| CN111671531B (en) * | 2020-06-12 | 2021-07-16 | 杭州牙科医院有限公司 | Root canal paste filling device for root canal therapy |
| CN111671440A (en) * | 2020-07-22 | 2020-09-18 | 徐州医科大学 | Artery blood sampling device |
| CN111671440B (en) * | 2020-07-22 | 2021-04-27 | 徐州医科大学 | Artery blood sampling device |
| CN112156274A (en) * | 2020-09-09 | 2021-01-01 | 周建勋 | Implanted is feed through buffer for medical equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201603252U (en) | Positive-pressure closed-type arterious and venous indwelling needle | |
| CN103071203A (en) | Anti-acupuncture intravenous detaining needle | |
| CN105056341B (en) | A kind of remaining needle that continuous positive pressure is provided | |
| CN201356857Y (en) | Connector pipe type positive pressure vein remaining needle | |
| CN2922935Y (en) | Straight type closed vein retaining needle | |
| CN204734799U (en) | Needleless infusion prevents that needle is kept somewhere to vein against current | |
| CN203935469U (en) | Front end visible blood-flow remaining needle with threeway | |
| CN201609542U (en) | Closed type arteriovenous indwelling needle for no-needle blood sampling | |
| CN104470433B (en) | Monoblock type vacuum blood sampler with inlying catheter | |
| CN204766842U (en) | Needleless infusion prevents that needle is kept somewhere to vein against current | |
| CN202105258U (en) | Enclosed venous remaining needle capable of collecting blood | |
| CN101756704A (en) | Remaining needle base capable of exsanguinating | |
| CN201591899U (en) | Indwelling needle bed with capability of blood drawing | |
| CN107485757B (en) | Novel indwelling needle | |
| CN201609524U (en) | Enclosed type cannule capable of sampling blood | |
| CN205867219U (en) | Straight tube is prevented thrombus vein and is kept somewhere needle | |
| CN103656790B (en) | A kind of disposable counterflow-preventing bushing type intravenous infusion needle | |
| CN201603251U (en) | Closed arteriovenous remaining needle with hemostix | |
| CN209916912U (en) | Blood return prevention venous indwelling needle | |
| CN201492762U (en) | Syringe capable of guiding guide wires therein | |
| CN204766834U (en) | A keep somewhere needle for taking extrusion impulse type malleation device | |
| CN201609367U (en) | Non-puncture type hemostix | |
| CN213964644U (en) | Infusion connector with continuous positive pressure and remaining needle | |
| CN205084114U (en) | Needle is kept somewhere to vein with hemostix | |
| CN206063501U (en) | Bladder remaining needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LINHUA MEDICAL APPLIANCES CO., LTD., SUZHOU Free format text: FORMER OWNER: WU LINYUAN Effective date: 20120705 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215101 SUZHOU, JIANGSU PROVINCE TO: 215122 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120705 Address after: 215122, Jiangsu, Suzhou Province, only 3 new road, Ting Town Patentee after: Linhua Medical Appliances Co., Ltd., Suzhou Address before: Wuzhong District Mudu town of Suzhou city in Jiangsu Province, 215101 Shandong Road No. 98 Patentee before: Wu Linyuan |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215122, Jiangsu, Suzhou Province, only 3 new road, Ting Town Patentee after: SUZHOU LINHUA MEDICAL INSTRUMENT CO., LTD. Address before: 215122, Jiangsu, Suzhou Province, only 3 new road, Ting Town Patentee before: Linhua Medical Appliances Co., Ltd., Suzhou |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101013 Termination date: 20180112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |