CN103736170A - Anti-puncture remaining needle - Google Patents
Anti-puncture remaining needle Download PDFInfo
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- CN103736170A CN103736170A CN201310474561.0A CN201310474561A CN103736170A CN 103736170 A CN103736170 A CN 103736170A CN 201310474561 A CN201310474561 A CN 201310474561A CN 103736170 A CN103736170 A CN 103736170A
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- needle
- puncture
- point
- needle point
- assembly
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Abstract
An anti-puncture remaining needle comprises a syringe needle assembly. The syringe needle assembly comprises a cannula base and a puncture needle. The front end of the cannula base is provided with a remaining hose, an isolation stopper is installed inside the cannula base, and the cannula base is divided into an infusion cavity and a needle base cavity through the isolation stopper. The puncture needle comprises a puncture steel needle and a needle handle, and the front end of the puncture steel needle is provided with a side notch for observing returning blood. The needle base cavity is internally provided with a retractable needle tip anti-puncture assembly. The retractable needle tip anti-puncture assembly comprises a needle tip containing cavity. The middle of the top of the needle tip containing cavity is provided with an elastic sealing cover, and the middle of the bottom of the needle tip containing cavity is provided with a line-shaped cut matched with the side notch for observing the returning blood. According to the anti-puncture remaining needle, a needle tip can be protected when a puncture needle core is pulled out, a medical worker is prevented from being punctured and suffered from cross infection, and the anti-puncture remaining needle is stable, reliable, safe and sanitary.
Description
Technical field
The invention belongs to the infusion set field of using while carrying out venous transfusion to clinical patients in medical field, relate to a kind of remaining needle, relate in particular to a kind of Anti-stabbing remaining needle.
Background technology
Venous detaining needle claims again intravenous needle, the trocar, because it can reduce patient because of cause painful of venipuncture repeatedly and to the fear of having an injection, alleviates impatience, be convenient to clinical application, the rescue medication of urgency, critical patient, alleviates nurse's workload, and in clinical application widely.The building block of remaining needle core comprises the indwelling flexible pipe that can be retained in endovascular softness, and stainless guiding puncture nook closing member (puncture draw point), during use, together with indwelling flexible pipe is upright with puncture, puncture in blood vessel, after keeping somewhere the whole intravasations of flexible pipe, withdraw out puncture draw point, thereby only soft indwelling flexible pipe is retained in, in blood vessel, carry out infusion treatment.And when medical worker is when extracting puncture puncture draw point out, the needle point that can be punctured draw point while dealing with improperly is stabbed, and causes infection, if patient is the patient of SARS, AIDS, hepatitis B or other infectious disease, the consequence that cross infection causes is hardly imaginable.
Therefore, researching and developing and a kind ofly novel have Anti-stabbing function and working stability is reliable, the remaining needle of safety and sanitation, is the content that those skilled in the art important research.
Summary of the invention
The present invention proposes a kind of can protection needle point during nook closing member extracting puncture, avoid that medical personnel stab, cross infection, and Anti-stabbing remaining needle reliable and stable, safety and sanitation.
For achieving the above object, the technical solution used in the present invention is: a kind of Anti-stabbing remaining needle, comprise needle assembly, described needle assembly comprises casing seat and puncture needle, described casing seat front end is provided with indwelling flexible pipe, batching pig is housed in casing seat, and casing seat is divided into fluid injection chamber and needle stand chamber by batching pig; Described puncture needle comprises puncture draw point and needle handle, and the front end of described puncture draw point is provided with for the side channel mouth of observing blood back; Described needle stand intracavity is arranged with the anti-stab assembly of telescopic needle point; The anti-stab assembly of described telescopic needle point comprises needle point container cavity; The top of described needle point container cavity is provided with the needle point protection mouthful of passing for described puncture draw point, and this needle point protection mouth is provided with elastic closure; The bottom of described needle point container cavity is provided with the designated port coordinating with the side channel mouth of described puncture draw point, or the bottom of described needle point container cavity and described needle handle clamping.
Preferred technical scheme is: the anti-stab assembly of described telescopic needle point is combined by outer sleeve and inner sleeve; Described inner sleeve is set in formation needle point container cavity in outer sleeve; The periphery wall at described inner sleeve top is provided with the limit rib of establishing with needle stand cavity wall card; On described inner sleeve cylinder body outer wall, be provided with pull locking mechanism with described outer sleeve cylinder inboard wall; The top of described inner sleeve is provided with the needle point protection mouthful of passing for described puncture draw point, and this needle point protection mouth is provided with elastic closure; Centre position, described outer sleeve bottom is provided with the designated port coordinating with the side channel mouth of described puncture draw point.
Preferred technical scheme is: described elastic closure and inner sleeve are structure as a whole.
Preferred technical scheme is: described elastic closure and inner sleeve are Split type structure.
Preferred technical scheme is: the anti-stab assembly of described telescopic needle point mainly by be arranged on bottom, needle stand chamber back-up ring, be arranged on the connector of bottom, needle stand chamber and be arranged on back-up ring and connector between stretching, extension spring form; Described connector is provided with the limit rib with the clamping of described needle stand cavity wall; Described connector top be provided with the needle point protection mouthful of passing for described puncture draw point, this needle point protection mouth is provided with elastic closure; The centre position of described back-up ring is provided with the designated port coordinating with the side channel mouth of described puncture draw point; One end of described stretching, extension spring acts on connector, and its other end acts on described back-up ring; In described stretching, extension spring, be formed centrally needle point container cavity.
Preferred technical scheme is: the anti-stab assembly of described telescopic needle point is mainly comprised of connector and stretching, extension spring; Described connector is provided with the limit rib with the clamping of described needle stand cavity wall; The top of described connector is provided with the needle point protection mouthful of passing for described puncture draw point, and this needle point protection mouth is provided with elastic closure; One end of described stretching, extension spring acts on connector, its other end and described needle handle clamping; In described stretching, extension spring, be formed centrally needle point container cavity.
Preferred technical scheme is: described needle handle is provided with Handheld Division.
Preferred technical scheme is: also comprise fluid injection adapter assembly, between described fluid injection adapter assembly and needle assembly, through conduit, be connected.
Due to the utilization of technique scheme, the advantage that the present invention compared with prior art has is:
The present invention by being provided with telescopic needle point guard assembly between batching pig and puncture needle needle handle, puncture needle is contained in casing seat through needle point guard assembly, after vein puncture finishes, extract puncture needle out, the procephalic side channel mouth of observing for blood back of pin is during through the yi word pattern designated port of the needle point container cavity bottom of the anti-stab assembly of needle point, the side channel mouth of needle point leading portion is buckled in yi word pattern designated port place (when stretching spring and needle handle clamping, needle handle also can drive telescopic needle point guard assembly to depart from remaining needle), make the anti-stab assembly of needle point along with puncture needle departs from casing seat together, the needle point guard component recovery naturalness that departs from casing seat, make the elastic closure at needle point container cavity top cover needle point, needle point is stayed in needle point container cavity, can not pass again, thereby needle point guard is got up, can not stab again medical personnel, reach the anti-stab object with preventing cross infection of safety.
The present invention is reasonable in design, simple in structure, easy to use, in infusion process, need not place especially puncture needle, has stopped the phenomenon of the easy scathing of puncture needle, has avoided cross infection; Facilitated clinical use.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the embodiment of the present invention one structural representation;
Fig. 2 is the embodiment of the present invention two structural representations
Fig. 3 is the anti-stab assembly structure for amplifying of the embodiment of the present invention one use needle point schematic diagram;
Fig. 4 is the integral structure schematic diagram of the inner sleeve of the anti-stab assembly of the embodiment of the present invention one use needle point;
Fig. 5 is the split-type structural schematic diagram of the inner sleeve of the anti-stab assembly of the embodiment of the present invention one use needle point;
Fig. 6 is a kind of embodiment structure for amplifying of the anti-stab assembly of embodiment of the present invention dual-purpose needle point schematic diagram;
Fig. 7 is the structural representation of yi word pattern designated port of the needle point container cavity bottom of the embodiment of the present invention one and embodiment bis-.
Fig. 8 is the another kind of embodiment structure for amplifying of the anti-stab assembly of embodiment of the present invention dual-purpose needle point schematic diagram;
Fig. 9 is the anti-stab component protection puncture of needle point of the present invention draw point needle point schematic diagram.
In above accompanying drawing: 1, casing seat; 2, puncture draw point; 3, batching pig; 4, fluid injection chamber; 5, needle stand chamber; 6, needle handle; 61, Handheld Division; 7, side channel mouth; 8, needle point container cavity; 9, elastic closure; 10, yi word pattern designated port; 11, outer sleeve; 12, inner sleeve; 121, limit rib; 13, pull locking mechanism; 14, back-up ring; 15, connector; 16, stretch spring; 17, keep somewhere flexible pipe; 18, grab.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-:
As shown in Fig. 1,3～5,7,9, a kind of Anti-stabbing remaining needle, comprises needle assembly, described needle assembly comprises casing seat 1 and puncture needle, described casing seat 1 front end is provided with keeps somewhere flexible pipe 17, and batching pig 3 is housed in casing seat 1, and casing seat 1 is divided into fluid injection chamber 4 and needle stand chamber 5 by batching pig 3; Described puncture needle comprises puncture draw point 2 and needle handle 6, and described needle handle 6 is provided with Handheld Division 61.The front end of described puncture draw point 2 is provided with the side channel mouth 7 of observing for blood back; In described needle stand chamber 5, be provided with the anti-stab assembly of telescopic needle point; The anti-stab assembly of described telescopic needle point comprises needle point container cavity 8; The crown center position of described needle point container cavity 8 is provided with elastic closure 9, and the centre position, bottom of described needle point container cavity 8 is provided with the yi word pattern designated port 10 coordinating with the described side channel mouth 7 of observing for blood back.Also comprise fluid injection adapter assembly (not shown), between described fluid injection adapter assembly and needle assembly, through conduit, be connected.
The anti-stab assembly of described telescopic needle point is for to be combined by outer sleeve 11 and inner sleeve 12; Described inner sleeve jacket casing 12 is located at the interior formation needle point of outer sleeve 11 container cavity 8; The periphery wall at described inner sleeve 12 tops is provided with the limit rib 121 of establishing with needle stand chamber 5 inwall cards; The periphery wall of described outer sleeve 11 cylindrical shells and needle stand chamber 5 inwalls closely cooperate; On described inner sleeve 12 cylinder body outer walls, be provided with pull locking mechanism 13 with described outer sleeve 11 cylinder inboard walls; Described inner sleeve 12 crown center positions are provided with elastic closure 9; Described outer sleeve 11 centre positions, bottom are provided with the yi word pattern designated port 10 coordinating with the described side channel mouth 7 of observing for blood back.When assembling, thereby inner sleeve 12 is shorter with the superimposed length of outer sleeve 11, thereby can be arranged in needle stand chamber 5, the anti-stab assembly of telescopic needle point is stuck on 5 inwalls of needle stand chamber by the limit rib 121 at inner sleeve 12 tops, thereby the anti-stab assembly of telescopic needle point is relatively fixed in needle stand chamber 5.And puncture draw point 2 passes the anti-stab assembly of telescopic needle point until the front portion of remaining needle from the side of elastic closure 9.By the anti-stab component design of needle point, be that telescopic object is: during shortening, be convenient to be contained in needle stand chamber 5, and overtime can be protected the needle point of puncture draw point.
Described pull locking mechanism 13 is for being located at the locking convex tendon on inner sleeve cylinder body outer wall and being located at the chute coordinating with locking convex tendon on outer sleeve 11 cylinder inboard walls.
Described elastic closure 9 can be structure as a whole, and can be also Split type structure.When being Split type structure, assemble more convenient.
Embodiment bis-:
As shown in Fig. 2,6,8, an Anti-stabbing remaining needle, and the difference of embodiment mono-is: the anti-stab assembly of described telescopic needle point mainly by be arranged on 5 bottoms, needle stand chamber back-up ring 14, be arranged on the connector 15 on 5 tops, needle stand chamber and be arranged on back-up ring 14 and connector 15 between stretching, extension spring 16 form; Described connector 15 is cylindrical, and its periphery wall is provided with the limit rib (not shown) of establishing with needle stand chamber 5 inwall cards; The centre position of described connector 15 is provided with elastic closure 9; The centre position of described back-up ring 14 is provided with the yi word pattern designated port 10 coordinating with the described side channel mouth 7 of observing for blood back; One end of described stretching, extension spring 16 acts on connector, and its other end acts on described back-up ring 14; In described stretching, extension spring 16, be formed centrally needle point container cavity 8.During assembling, thereby stretch spring 16, in compressive state, make the anti-stab length component of telescopic needle point shorter.Another kind of concrete embodiment is: the anti-stab assembly of telescopic needle point is only comprised of connector 15 and stretching, extension spring 16, stretch spring 16 and be provided with grab 18, and needle handle correspondence is provided with draw-in groove, and both form interface arrangment.
Other structures are identical with embodiment mono-, repeat no more here.
The present invention by being provided with telescopic needle point guard assembly between batching pig 3 and puncture needle needle handle 6, puncture draw point 2 is contained in casing seat 1 through needle point guard assembly, after vein puncture finishes, extract puncture draw point 2 out, the anterior side channel mouth of observing for blood back 7 of puncture draw point 2 is during through the yi word pattern designated port 10 of needle point container cavity 8 bottoms of the anti-stab assembly of needle point, the side channel mouth 7 of needle point leading portion is buckled in yi word pattern designated port 10 places, first the anti-stab assembly of needle point is elongated, while adopting inner sleeve 12 with outer sleeve 11 nestable structure, inner sleeve 12 is pulled out part in outer sleeve 11, until the spacing inner sleeve 12 that makes of pull locking mechanism 13 is unlikely to all to pull out from outer sleeve 11, and while adopting embodiment bis-structure, be that spring becomes extended state from compressive state.At this moment, because telescopic needle point guard assembly is in elongated condition, the needle point of the draw point 2 that therefore punctures is all positioned at container cavity 8, and elastic closure 9 seals telescopic needle point guard assembly makes needle point by telescopic needle point guard component protection.While pulling on Handheld Division 61, telescopic needle point guard assembly is along with puncture draw point 2 departs from needle stand chamber 5 together, the needle point guard component recovery naturalness that departs from casing seat 1, make the elastic closure 9 at needle point container cavity 8 tops cover needle point, needle point is stayed in needle point container cavity 8, can not be passed again, thereby needle point guard is got up, can not stab again medical personnel, reach the anti-stab object with preventing cross infection of safety.And while adopting interface arrangment, due to needle handle with stretch the clamping relation of spring, needle handle also can drive telescopic needle point guard assembly to depart from needle stand chamber.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (8)
1. an Anti-stabbing remaining needle, comprises needle assembly, and described needle assembly comprises casing seat and puncture needle, and described casing seat front end is provided with indwelling flexible pipe, and batching pig is housed in casing seat, and casing seat is divided into fluid injection chamber and needle stand chamber by batching pig; Described puncture needle comprises puncture draw point and needle handle, and the front end of described puncture draw point is provided with for the side channel mouth of observing blood back; It is characterized in that: described needle stand intracavity is arranged with the anti-stab assembly of telescopic needle point; The anti-stab assembly of described telescopic needle point comprises needle point container cavity; The top of described needle point container cavity is provided with the needle point protection mouthful of passing for described puncture draw point, and this needle point protection mouth is provided with elastic closure; The bottom of described needle point container cavity is provided with the designated port coordinating with the side channel mouth of described puncture draw point, or the bottom of described needle point container cavity and described needle handle clamping.
2. Anti-stabbing remaining needle according to claim 1, is characterized in that: the anti-stab assembly of described telescopic needle point is combined by outer sleeve and inner sleeve; Described inner sleeve is set in formation needle point container cavity in outer sleeve; The periphery wall at described inner sleeve top is provided with the limit rib of establishing with needle stand cavity wall card; On described inner sleeve cylinder body outer wall, be provided with pull locking mechanism with described outer sleeve cylinder inboard wall; The top of described inner sleeve is provided with the needle point protection mouthful of passing for described puncture draw point, and this needle point protection mouth is provided with elastic closure; Centre position, described outer sleeve bottom is provided with the designated port coordinating with the side channel mouth of described puncture draw point.
3. Anti-stabbing remaining needle according to claim 2, is characterized in that: described elastic closure and inner sleeve are structure as a whole.
4. Anti-stabbing remaining needle according to claim 2, is characterized in that: described elastic closure and inner sleeve are Split type structure.
5. Anti-stabbing remaining needle according to claim 1, is characterized in that: the anti-stab assembly of described telescopic needle point mainly by be arranged on bottom, needle stand chamber back-up ring, be arranged on the connector of bottom, needle stand chamber and be arranged on back-up ring and connector between stretching, extension spring form; Described connector is provided with the limit rib with the clamping of described needle stand cavity wall; Described connector top be provided with the needle point protection mouthful of passing for described puncture draw point, this needle point protection mouth is provided with elastic closure; The centre position of described back-up ring is provided with the designated port coordinating with the side channel mouth of described puncture draw point; One end of described stretching, extension spring acts on connector, and its other end acts on described back-up ring; In described stretching, extension spring, be formed centrally needle point container cavity.
6. Anti-stabbing remaining needle according to claim 1, is characterized in that: the anti-stab assembly of described telescopic needle point is mainly comprised of connector and stretching, extension spring; Described connector is provided with the limit rib with the clamping of described needle stand cavity wall; The top of described connector is provided with the needle point protection mouthful of passing for described puncture draw point, and this needle point protection mouth is provided with elastic closure; One end of described stretching, extension spring acts on connector, its other end and described needle handle clamping; In described stretching, extension spring, be formed centrally needle point container cavity.
7. Anti-stabbing remaining needle according to claim 1, is characterized in that: described needle handle is provided with Handheld Division.
8. Anti-stabbing remaining needle according to claim 1, is characterized in that: also comprise fluid injection adapter assembly, between described fluid injection adapter assembly and needle assembly, through conduit, be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474561.0A CN103736170A (en) | 2013-10-12 | 2013-10-12 | Anti-puncture remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310474561.0A CN103736170A (en) | 2013-10-12 | 2013-10-12 | Anti-puncture remaining needle |
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| Publication Number | Publication Date |
|---|---|
| CN103736170A true CN103736170A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310474561.0A Pending CN103736170A (en) | 2013-10-12 | 2013-10-12 | Anti-puncture remaining needle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096288A (en) * | 2014-07-21 | 2014-10-15 | 上海锦泽夏本医疗器械有限公司 | Stabbing prevention puncture needle |
| CN104826195A (en) * | 2015-05-12 | 2015-08-12 | 黄彦召 | Novel straight remaining needle |
| CN105903100A (en) * | 2016-04-06 | 2016-08-31 | 西安医学院第二附属医院 | Anticoagulant vein puncture indwelling needle |
| CN106362239A (en) * | 2016-10-08 | 2017-02-01 | 谢世庚 | Anti-puncturing venous indwelling needle |
| CN107041977A (en) * | 2017-05-25 | 2017-08-15 | 端源医疗科技无锡有限公司 | The disposable dialysis soft pin of the anti-hemorrhage of automatic back springing type |
| CN107789703A (en) * | 2017-11-16 | 2018-03-13 | 广东龙心医疗器械有限公司 | The indwelling structure and remaining needle of a kind of remaining needle |
| CN107929871A (en) * | 2018-01-10 | 2018-04-20 | 程基才 | A kind of free style can retention transfusion system without draw point essence control |
| CN108113883A (en) * | 2016-11-29 | 2018-06-05 | 南方医科大学珠江医院 | Drawing liquid container and liquid pumping method |
| CN109893713A (en) * | 2019-03-22 | 2019-06-18 | 江苏苏云医疗器材有限公司 | Anti- needle pierces indwelling needle assembly |
| CN113679454A (en) * | 2021-08-26 | 2021-11-23 | 佳县中医院(佳县红十字会医院) | Abdominocentesis catheter placement drainage device |
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| CN203989261U (en) * | 2013-10-12 | 2014-12-10 | 苏州市雅思精密模具有限公司 | Anti-stabbing remaining needle |
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| EP1344544A1 (en) * | 2000-12-18 | 2003-09-17 | Terumo Kabushiki Kaisha | Protector and storage needle assembly |
| CN101011613A (en) * | 2007-02-02 | 2007-08-08 | 方峥评 | Safety type sealed venous detaining needle |
| CN201042538Y (en) * | 2007-05-24 | 2008-04-02 | 吴林元 | Safe lien needle |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096288A (en) * | 2014-07-21 | 2014-10-15 | 上海锦泽夏本医疗器械有限公司 | Stabbing prevention puncture needle |
| CN104826195A (en) * | 2015-05-12 | 2015-08-12 | 黄彦召 | Novel straight remaining needle |
| CN105903100A (en) * | 2016-04-06 | 2016-08-31 | 西安医学院第二附属医院 | Anticoagulant vein puncture indwelling needle |
| CN106362239A (en) * | 2016-10-08 | 2017-02-01 | 谢世庚 | Anti-puncturing venous indwelling needle |
| CN108113883A (en) * | 2016-11-29 | 2018-06-05 | 南方医科大学珠江医院 | Drawing liquid container and liquid pumping method |
| CN107041977A (en) * | 2017-05-25 | 2017-08-15 | 端源医疗科技无锡有限公司 | The disposable dialysis soft pin of the anti-hemorrhage of automatic back springing type |
| CN107789703A (en) * | 2017-11-16 | 2018-03-13 | 广东龙心医疗器械有限公司 | The indwelling structure and remaining needle of a kind of remaining needle |
| CN107929871A (en) * | 2018-01-10 | 2018-04-20 | 程基才 | A kind of free style can retention transfusion system without draw point essence control |
| CN109893713A (en) * | 2019-03-22 | 2019-06-18 | 江苏苏云医疗器材有限公司 | Anti- needle pierces indwelling needle assembly |
| CN109893713B (en) * | 2019-03-22 | 2023-11-14 | 江苏苏云医疗器材有限公司 | Needle-stick-preventing indwelling needle assembly |
| CN113679454A (en) * | 2021-08-26 | 2021-11-23 | 佳县中医院(佳县红十字会医院) | Abdominocentesis catheter placement drainage device |
| CN113679454B (en) * | 2021-08-26 | 2024-01-09 | 佳县中医院(佳县红十字会医院) | Drainage device for abdominocentesis tube placement |
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Application publication date: 20140423 |