CN104043161A - Straight-type indwelling needle - Google Patents
Straight-type indwelling needle Download PDFInfo
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- CN104043161A CN104043161A CN201410295935.7A CN201410295935A CN104043161A CN 104043161 A CN104043161 A CN 104043161A CN 201410295935 A CN201410295935 A CN 201410295935A CN 104043161 A CN104043161 A CN 104043161A
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Abstract
A straight-type indwelling needle comprises an indwelling needle base and an indwelling needle hose. The lower portion of a cavity of the indwelling needle base is provided with a sealing plug made of soft elastic medical materials. The cavity of the indwelling needle is internally provided with a hard hollow liquid guiding rod which can penetrate through the sealing plug in an insertion mode, stretches into the bottom of the cavity of the indwelling needle base and is made of medical materials. The upper portion of the hard hollow liquid guiding rod is communicated with an externally-connected infusion device. According to the straight-type indwelling needle, due to the fact that the structure that the sealing plug is combined with the liquid guiding rod is ingeniously adopted, the sealing plug can be utilized for reliably sealing and isolating the indwelling needle hose and the bottom of the cavity of the indwelling needle base, it is ensured that the phenomenon that blood backflows to the exterior of the cavity of the indwelling needle base is avoided after a puncture needle is pulled out when puncturing is completed, cross infection of a medical worker and a patient is eliminated, the medical worker can pull out the puncture needle with one hand, labor intensity of the medical worker is reduced, and pressing pain and damage to blood vessels of the patient are relieved. The straight-type indwelling needle is simple and reliable in structure and high in practicability, and facilitates promotion and popularization.
Description
Technical field
The present invention relates to a kind of remaining needle, particularly a kind of straight type remaining needle without transfusion needle, belongs to technical field of medical instruments.
Background technology
Existing two kinds of remaining needles, a kind of is straight type remaining needle (or being penholder type remaining needle), another kind is Y type remaining needle.Wherein, there is following shortcoming in straight type remaining needle in infusion process: the one, while connecting transfusion device, all transfusion needle will be inserted into indwelling needle cavity bottom, and indwelling needle cavity is uncovered, and easily pollute remaining needle cavity; The 2nd, after extracting puncture needle, there will be the phenomenon of blood backflow, easily cause medical personnel and patient's cross infection; The 3rd, can not one-handed performance, live injection site blood vessel with hand and prevent blood backflow, and puncture needle is duromer, easily damage and tenderness patient's blood vessel; The 4th, anticoagulant tube sealing and must every eight hours once, be not suitable for blood coagulation and hinder patient; The 5th, in secondary when transfusion, by putting on calparine cap on indwelling needle, with transfusion needle, be inserted into remaining needle cavity, after < < nursing supervision standard > > regulation sharp weapon pollute, need special-purpose sharp disposable container to collect, increase nursing staff's working strength and have the probability of damaging staff, also not meeting the requirement of the World Health Organization (WHO).Although Y type remaining needle can be accomplished the requirement of no-needle transfusion, but because Y type remaining needle connects longer transfusion catheter, not only affected patient's limb activity, patient is careless slightly just easily collision in daily routines, involve and cause pain, and be difficult for fixing, easily crooked, cause siphonage, blood is drawn onto in indwelling flexible pipe and forms thrombosis, when can forming long strip type thrombosis during to conduit, blood reflux causes plugging, needs of patients punctures again, medical treatment cost is high, also strengthened nurse's workload, and increased thrombosis and entered the risk in patient body, and blood backflow is during to conduit, can cause that patients ' psychological is panic, increase patients ' psychological burden.Meanwhile, during tube sealing, use more anticoagulant, be not suitable for the problematic patient of clotting mechanism.In addition, the material of Y type remaining needle base is harder, larger to the pressure of local skin, is not suitable for edema patient.
Summary of the invention
The object of the invention is to for above-mentioned existing problems and deficiency, provide a kind of without transfusion needle being inserted into indwelling needle cavity and reliably medicinal liquid being sent in retaining needle flexible tube swimmingly and delivering in vein blood vessel, and blood can not be back to outside indwelling needle cavity and there is anti-return effect, meet the straight type remaining needle that World Health Organization (WHO) advocates the requirement of no-needle transfusion.
Technical scheme of the present invention is achieved in that
Straight type remaining needle of the present invention, comprise indwelling needle and retaining needle flexible tube, be characterized in described indwelling needle cavity bottom be provided with a use soft there is the sealing-plug that elastic medical material is made, in indwelling needle cavity, be provided with one and can insert the hard hollow fluid-directing rod of being made by medical material of wearing sealing plug and extending into indwelling needle cavity bottom, the top of this hard hollow fluid-directing rod is communicated with external infusion set.
For further making the present invention there is reliable positive-pressure function, to guarantee that the present invention can effectively and for a long time prevent blood backflow, do not have the formation of thrombosis, the middle part of above-mentioned sealing-plug is provided with a tubaeform hole body, between the bottom surface of this is tubaeform hole body and sealing-plug bottom surface, it is a flaky texture, this flaky texture forms an one-way valve structures being punctured micropore that acupuncture forms after the broken elasticity by itself, after puncture needle is extracted, this micropore automatic retracting and effectively stop the blood backflow in retaining needle flexible tube.And sealing plug combines with the sealing device on indwelling needle cavity top and forms a liquid storage cylinder that can produce malleation, and in liquid storage cylinder, store after malleation medicinal liquid, the micropore that sealing plug bottom forms can under positive pressure, open and make medicinal liquid in liquid storage cylinder slowly drop to retaining needle flexible tube in and press to and stop blood backflow in retaining needle flexible tube to vein blood vessel, avoid the formation of thrombosis.
In order to make the structure of above-mentioned hard hollow fluid-directing rod form varied, both can be that the bottom of above-mentioned hard hollow fluid-directing rod is for can insert the hollow mast of wearing sealing-plug, its top is the interface tube that can be connected with external general transfusion catheter, now, in order to further facilitate being connected and fixed of this hard hollow fluid-directing rod and indwelling needle cavity, above-mentioned hard hollow fluid-directing rod can be both that its upper part integrated is provided with a ring dish that can be fixed in indwelling needle cavity, this ring dish is provided with the interface tube that can be connected with external general transfusion catheter, also can be that its upper part integrated is provided with a female cover lid of tool that can spiral be connected in indwelling needle cavity hatch, this cover lid is provided with the interface tube that can be connected with external general transfusion catheter, above-mentioned hard hollow fluid-directing rod can also be that bottom is can insert to put on the hollow mast of stating sealing-plug, its upper part integrated is provided with a ring-type plunger that can be used for being fixed on indwelling needle cavity hatch, and the external peripheral surface of this ring-type plunger is provided with the external screw thread can general infusion connector female with external tool being connected, above-mentioned hard hollow fluid-directing rod can also be that its upper part integrated is provided with a female cover lid of tool that can spiral be connected in indwelling needle cavity hatch, this cover lid upper part integrated is provided with a ring-type plunger, and the external peripheral surface of this ring-type plunger is provided with the external screw thread can general infusion connector female with external tool being connected.And the bottom of above-mentioned hard hollow fluid-directing rod is set to be difficult for stab the arc body of the rounding off of human body.
The present invention is due to the structure that adopts dexterously sealing-plug to combine with fluid-directing rod, both can utilize sealing-plug to come seal isolation retaining needle flexible tube and an indwelling seat cavity bottom reliably, guarantee to there will not be the phenomenon of blood backflow outside indwelling needle cavity after extracting puncture needle puncture is complete, eliminate medical personnel and patient's cross infection and make medical personnel can singlehanded carry out the operation of extracting of puncture needle, reduce medical personnel's labor intensity and alleviate the tenderness of patient's blood vessel and damage phenomenon.Utilize hollow catheter reliably and successfully the medicinal liquid in external infusion set to be delivered in retaining needle flexible tube, needn't adopt transfusion needle to carry medicinal liquid, the straight type remaining needle of this structure is more met in the world to the requirement of remaining needle and development trend.Simultaneously, by adopting the structure that a hole body is set at sealing-plug middle part, both can utilize the sealing-plug tiny space segment of seal isolation retaining needle flexible tube part and indwelling needle cavity bottom reliably, guarantee to there will not be the phenomenon outside blood backflow indwelling needle cavity after using puncture needle to puncture, both made medical personnel's extracting with one-handed performance puncture needle easily, effectively prevent again patient and medical personnel's cross infection, nor there will be the phenomenon of tenderness patient's blood vessel, and avoid the pollution of surrounding to medicinal liquid and blood, eliminate and existingly utilize the movement of piston to produce the low problem of the existing reliability of malleation, reach the object of safe infusion.Utilize dexterously again malleation chamber that the liquid storage cylinder that forms between sealing-plug and hard hollow fluid-directing rod top forms after transfusion completes and the non-return valve function of the micropore on the flaky texture between medical sealing-plug bottom surface, utilize the interior medicinal liquid storing of this malleation chamber slowly to drip along the puncture micropore of the bottom, tubaeform hole at the center of sealing-plug, make this puncture micropore form a check valve, the backflow of effectively and reliably anti-Hemostatic Oral Liquid, and simple to operate, be easy to grasp, be conducive to applying at each different medical unit.Only need be when medicinal liquid be totally lost soon during its operational applications, while extracting transfusion needle, transfusion needle is stayed for some time slightly in this liquid storage cylinder and adjust the adjusting button of transfusion device, making to regulate button to last pushing away, to make suddenly liquid in liquid-transport pipe-line produce flashy outburst flows and injects in liquid storage cylinder, make to store in this liquid storage cylinder the medicinal liquid of malleation, thereby the gas compressing in this liquid storage cylinder forms enough large malleation, and extracting completely after transfusion needle, after medicinal liquid in this liquid storage cylinder can be lentamente under its positive pressure punctures along puncture needle and transfusion needle in the tubaeform hole from sealing-plug pierce through micropore in continue to be depressed into vein blood vessel in dropping to retaining needle flexible tube, until the pressure in liquid storage cylinder forms a kind of poised state when blood pressure in human vein equates, effectively guarantee that blood can not produce backflow for a long time yet, reliably and safely avoid the formation of thrombosis, and (most of tube-sealing solutions are anticoagulant not need to adopt anti-freezing liquid to carry out tube sealing, some patient bans use of), both alleviated nurse's labor intensity, reduce again patient's medical expense.And the present invention is simple in structure, reliable, with low cost, practical, be conducive to extensively popularize application.
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Accompanying drawing explanation
Fig. 1 is the structural representation of hollow fluid-directing rod state one of the present invention.
Fig. 2 is the structural representation that the present invention uses the fluid-directing rod of hollow shown in Fig. 1.
Fig. 3 is the structural representation of hollow fluid-directing rod state two of the present invention.
Fig. 4 is the structural representation that the present invention uses the fluid-directing rod of hollow shown in Fig. 3.
Fig. 5 is the structural representation of hollow fluid-directing rod state three of the present invention.
Fig. 6 is the structural representation that the present invention uses the fluid-directing rod of hollow shown in Fig. 5.
Fig. 7 is the structural representation of hollow fluid-directing rod state four of the present invention.
Fig. 8 is the structural representation that the present invention uses the fluid-directing rod of hollow shown in Fig. 7.
Fig. 9 is the structural representation of hollow fluid-directing rod state five of the present invention.
Figure 10 is the structural representation that the present invention uses the fluid-directing rod of hollow shown in Fig. 9.
The specific embodiment
As shown in Fig. 1-Figure 10, straight type remaining needle of the present invention, comprise indwelling needle 1 and retaining needle flexible tube 2, described indwelling needle 1 cavity bottom be provided with a use soft there is the sealing-plug 3 that elastic medical material is made, in indwelling needle 1 cavity, be provided with one and can insert the hard hollow fluid-directing rod 4 of being made by medical material of wearing sealing plug 3 and extending into indwelling needle cavity bottom, the top of this hard hollow fluid-directing rod 4 is communicated with external infusion set.For further making the present invention there is reliable positive-pressure function, to guarantee that the present invention can effectively and for a long time prevent blood backflow, do not have the formation of thrombosis, the middle part of above-mentioned sealing-plug 3 is provided with a tubaeform hole body 31, between the bottom surface of this is tubaeform hole body 31 and sealing-plug 3 bottom surfaces, it is a flaky texture, this flaky texture forms an one-way valve structures being punctured micropore that acupuncture forms after the broken elasticity by itself, after puncture needle is extracted, this micropore automatic retracting and effectively stop the blood backflow in retaining needle flexible tube 2, and in liquid storage cylinder 5, store after malleation medicinal liquid, this micropore can under positive pressure, open and make medicinal liquid in liquid storage cylinder 5 slowly drop to retaining needle flexible tube 2 in and press to and stop blood backflow in retaining needle flexible tube to vein blood vessel, avoid the formation of thrombosis.The structure of above-mentioned hard hollow fluid-directing rod 4 forms can be varied, both can be as shown in Fig. 9-Figure 10, the bottom of above-mentioned hard hollow fluid-directing rod 4 is for can insert the hollow mast of wearing sealing-plug 3, its top is the interface tube that can be connected with external general transfusion catheter, now, for this hollow fluid-directing rod and indwelling needle cavity are connected to a fixed, on this indwelling needle cavity, device has a general calparine cap 6, above-mentioned hollow fluid-directing rod is connected and fixed on indwelling needle cavity through this calparine cap 6, in order to further facilitate being connected and fixed of this hard hollow fluid-directing rod 4 and indwelling needle 1 cavity, above-mentioned hard hollow fluid-directing rod 4 can be both as Figure 1-Figure 2, this hollow fluid-directing rod upper part integrated is provided with a ring dish 41 that can be fixed in indwelling needle 1 cavity, this ring dish 41 is provided with the interface tube that can be connected with external general transfusion catheter, also can be as Figure 3-Figure 4, this hollow fluid-directing rod upper part integrated is provided with a female cover lid 42 of tool that can spiral be connected in indwelling needle 1 cavity hatch, this cover lid 42 is provided with the interface tube that can be connected with external general transfusion catheter, above-mentioned hard hollow fluid-directing rod 4 can also be as shown in Fig. 5-Fig. 6, the hollow mast of stating sealing-plug 3 is put on for inserting in this hollow fluid-directing rod bottom, its upper part integrated is provided with one and can be used for being fixed on the ring-type plunger 43 on indwelling needle 1 cavity hatch, and the external peripheral surface of this ring-type plunger 43 is provided with the external screw thread can general infusion connector female with external tool being connected, above-mentioned hard hollow fluid-directing rod 4 can also be as shown in Fig. 7-Fig. 8, this hollow fluid-directing rod upper part integrated is provided with a female cover lid 42 of tool that can spiral be connected in indwelling needle 1 cavity hatch, these cover lid 42 upper part integrateds are provided with a ring-type plunger 43, and the external peripheral surface of this ring-type plunger 43 is provided with the external screw thread can general infusion connector female with external tool being connected.And the bottom of above-mentioned hard hollow fluid-directing rod 4 is set to be difficult for stab the arc body of the rounding off of human body.
The present invention is due to the structure that adopts dexterously sealing-plug to combine with fluid-directing rod, both can utilize sealing-plug to come seal isolation retaining needle flexible tube and an indwelling seat cavity bottom reliably, guarantee to there will not be the phenomenon of blood backflow outside indwelling needle cavity after extracting puncture needle puncture is complete, eliminate medical personnel and patient's cross infection and make medical personnel can singlehanded carry out the operation of extracting of puncture needle, reduce medical personnel's labor intensity and alleviate the tenderness of patient's blood vessel and damage phenomenon.Utilize hollow catheter reliably and successfully the medicinal liquid in external infusion set to be delivered in retaining needle flexible tube, needn't adopt transfusion needle to carry medicinal liquid, the straight type remaining needle of this structure is more met in the world to the requirement of remaining needle and development trend.Simultaneously, by adopting the structure that a hole body is set at sealing-plug middle part, both can utilize the sealing-plug tiny space segment of seal isolation retaining needle flexible tube part and indwelling needle cavity bottom reliably, guarantee to there will not be the phenomenon outside blood backflow indwelling needle cavity after using puncture needle to puncture, both made medical personnel's extracting with one-handed performance puncture needle easily, effectively prevent again patient and medical personnel's cross infection, nor there will be the phenomenon of tenderness patient's blood vessel, and avoid the pollution of surrounding to medicinal liquid and blood, eliminate and existingly utilize the movement of piston to produce the low problem of the existing reliability of malleation, reach the object of safe infusion.Utilize dexterously again malleation chamber that the liquid storage cylinder that forms between sealing-plug and hard hollow fluid-directing rod top forms after transfusion completes and the non-return valve function of the micropore on the flaky texture between medical sealing-plug bottom surface, utilize the interior medicinal liquid storing of this malleation chamber slowly to drip along the puncture micropore of the bottom, tubaeform hole at the center of sealing-plug, make this puncture micropore form a check valve, the backflow of effectively and reliably anti-Hemostatic Oral Liquid, and simple to operate, be easy to grasp, be conducive to applying at each different medical unit.Only need be when medicinal liquid be totally lost soon during its operational applications, while extracting transfusion needle, transfusion needle is stayed for some time slightly in this liquid storage cylinder and adjust the adjusting button of transfusion device, making to regulate button to last pushing away, to make suddenly liquid in liquid-transport pipe-line produce flashy outburst flows and injects in liquid storage cylinder, make to store in this liquid storage cylinder the medicinal liquid of malleation, thereby the gas compressing in this liquid storage cylinder forms enough large malleation, and extracting completely after transfusion needle, after medicinal liquid in this liquid storage cylinder can be lentamente under its positive pressure punctures along puncture needle and transfusion needle in the tubaeform hole from sealing-plug pierce through micropore in continue to be depressed into vein blood vessel in dropping to retaining needle flexible tube, until the pressure in liquid storage cylinder forms a kind of poised state when blood pressure in human vein equates, effectively guarantee that blood can not produce backflow for a long time yet, reliably and safely avoid the formation of thrombosis, and (most of tube-sealing solutions are anticoagulant not need to adopt anti-freezing liquid to carry out tube sealing, some patient bans use of), both alleviated nurse's labor intensity, reduce again patient's medical expense.And the present invention is simple in structure, reliable, with low cost, practical, be conducive to extensively popularize application.
The present invention describes by embodiment, but the present invention is not construed as limiting, with reference to description of the invention, other variations of the disclosed embodiments, as the professional person for this area easily expects, within such variation should belong to the scope of the claims in the present invention restriction.
Claims (8)
1. a straight type remaining needle, comprise indwelling needle (1) and retaining needle flexible tube (2), it is characterized in that described indwelling needle (1) cavity bottom be provided with a use soft there is the sealing-plug (3) that elastic medical material is made, in indwelling needle (1) cavity, be provided with one and can insert the hard hollow fluid-directing rod (4) of being made by medical material of wearing sealing plug (3) and extending into indwelling needle cavity bottom, the top of this hard hollow fluid-directing rod (4) is communicated with external infusion set.
2. straight type remaining needle according to claim 1, the middle part that it is characterized in that above-mentioned sealing-plug (3) is provided with a tubaeform hole body (31), between the bottom surface of this is tubaeform hole body (31) and sealing-plug (3) bottom surface, it is a flaky texture, this flaky texture forms an one-way valve structures being punctured micropore that acupuncture forms after the broken elasticity by itself, after puncture needle is extracted, this micropore automatic retracting and effectively stop the blood backflow in retaining needle flexible tube (2), and store after malleation medicinal liquid in liquid storage cylinder (5), this micropore can under positive pressure, open and make medicinal liquid in liquid storage cylinder (5) slowly drop to retaining needle flexible tube (2) in and press to and stop blood backflow in retaining needle flexible tube to vein blood vessel, avoid the formation of thrombosis.
3. straight type remaining needle according to claim 1, is characterized in that the bottom of above-mentioned hard hollow fluid-directing rod (4) is for can insert the hollow mast of wearing sealing-plug (3), and its top is the interface tube that can be connected with external general transfusion catheter.
4. straight type remaining needle according to claim 3, the upper part integrated that it is characterized in that above-mentioned hard hollow fluid-directing rod (4) is provided with a ring dish (41) that can be fixed in indwelling needle (1) cavity, and this ring dish (41) is provided with the interface tube that can be connected with external general transfusion catheter.
5. straight type remaining needle according to claim 3, the upper part integrated that it is characterized in that above-mentioned hard hollow fluid-directing rod (4) is provided with a female cover lid of tool (42) that can spiral be connected in indwelling needle (1) cavity hatch, and this cover lid (42) is provided with the interface tube that can be connected with external general transfusion catheter.
6. straight type remaining needle according to claim 1, the hollow mast of stating sealing-plug (3) is put on for inserting in the bottom that it is characterized in that above-mentioned hard hollow fluid-directing rod (4), its upper part integrated is provided with one and can be used for being fixed on the ring-type plunger (43) on indwelling needle (1) cavity hatch, and the external peripheral surface of this ring-type plunger (43) is provided with the external screw thread can general infusion connector female with external tool being connected.
7. straight type remaining needle according to claim 1, the upper part integrated that it is characterized in that above-mentioned hard hollow fluid-directing rod (4) is provided with a female cover lid of tool (42) that can spiral be connected in indwelling needle (1) cavity hatch, this cover lid (42) upper part integrated is provided with a ring-type plunger (43), and the external peripheral surface of this ring-type plunger (43) is provided with the external screw thread can general infusion connector female with external tool being connected.
8. straight type remaining needle according to claim 1, the bottom that it is characterized in that above-mentioned hard hollow fluid-directing rod (4) is set to be difficult for stab the arc body of the rounding off of human body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410295935.7A CN104043161A (en) | 2014-06-27 | 2014-06-27 | Straight-type indwelling needle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410295935.7A CN104043161A (en) | 2014-06-27 | 2014-06-27 | Straight-type indwelling needle |
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| CN104043161A true CN104043161A (en) | 2014-09-17 |
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| CN201410295935.7A Pending CN104043161A (en) | 2014-06-27 | 2014-06-27 | Straight-type indwelling needle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106166315A (en) * | 2016-05-12 | 2016-11-30 | 卢小兵 | Muscle remaining needle |
| CN106620950A (en) * | 2016-12-23 | 2017-05-10 | 欧阳小青 | Puncturing-proof infusion connector |
| CN108211046A (en) * | 2018-01-09 | 2018-06-29 | 韩笑峰 | A kind of preventing thrombosis venous detaining needle and its application method |
| CN112494750A (en) * | 2020-12-02 | 2021-03-16 | 潍坊医学院附属医院 | Venous indwelling needle anti-leakage device for nursing |
| CN114732998A (en) * | 2022-03-30 | 2022-07-12 | 中国人民解放军联勤保障部队第九二〇医院 | Medical tube-sealing-free shallow vein indwelling needle |
| CN114732998B (en) * | 2022-03-30 | 2024-04-26 | 中国人民解放军联勤保障部队第九二〇医院 | Medical tube sealing-free shallow vein indwelling needle |
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| CN101316621A (en) * | 2005-10-11 | 2008-12-03 | 科维蒂恩股份公司 | Iv catheter with in-line valve and methods related thereto |
| CN201286927Y (en) * | 2008-08-26 | 2009-08-12 | 江西洪达医疗器械集团有限公司 | Sealing batching plug of venous indwelling needle |
| CN203342194U (en) * | 2013-05-15 | 2013-12-18 | 福建省百仕韦医用高分子股份有限公司 | Medical infusion adapter which is provided with check valve and connected with extracorporal indwelling catheter |
| CN203971058U (en) * | 2014-06-27 | 2014-12-03 | 陈伟权 | A kind of straight type remaining needle |
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| US20020128604A1 (en) * | 2001-03-12 | 2002-09-12 | Hiroaki Nakajima | Indwelling catheter |
| CN101316621A (en) * | 2005-10-11 | 2008-12-03 | 科维蒂恩股份公司 | Iv catheter with in-line valve and methods related thereto |
| CN201286927Y (en) * | 2008-08-26 | 2009-08-12 | 江西洪达医疗器械集团有限公司 | Sealing batching plug of venous indwelling needle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106166315A (en) * | 2016-05-12 | 2016-11-30 | 卢小兵 | Muscle remaining needle |
| CN106166315B (en) * | 2016-05-12 | 2019-03-22 | 卢小兵 | Muscle remaining needle |
| CN106620950A (en) * | 2016-12-23 | 2017-05-10 | 欧阳小青 | Puncturing-proof infusion connector |
| CN108211046A (en) * | 2018-01-09 | 2018-06-29 | 韩笑峰 | A kind of preventing thrombosis venous detaining needle and its application method |
| CN108211046B (en) * | 2018-01-09 | 2020-12-01 | 刘芹 | Anti-thrombus venous indwelling needle and use method thereof |
| CN112494750A (en) * | 2020-12-02 | 2021-03-16 | 潍坊医学院附属医院 | Venous indwelling needle anti-leakage device for nursing |
| CN114732998A (en) * | 2022-03-30 | 2022-07-12 | 中国人民解放军联勤保障部队第九二〇医院 | Medical tube-sealing-free shallow vein indwelling needle |
| CN114732998B (en) * | 2022-03-30 | 2024-04-26 | 中国人民解放军联勤保障部队第九二〇医院 | Medical tube sealing-free shallow vein indwelling needle |
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Application publication date: 20140917 |