CN201164650Y - Ultra thin type venous indwelling needle with negative-pressure - Google Patents
Ultra thin type venous indwelling needle with negative-pressure Download PDFInfo
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- CN201164650Y CN201164650Y CNU2007200579185U CN200720057918U CN201164650Y CN 201164650 Y CN201164650 Y CN 201164650Y CN U2007200579185 U CNU2007200579185 U CN U2007200579185U CN 200720057918 U CN200720057918 U CN 200720057918U CN 201164650 Y CN201164650 Y CN 201164650Y
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Abstract
The utility model relates to an ultrathin venous indwelling needle with negative pressure, which comprises an indwelling needle casing tube (2) and a T-shaped tube, wherein, an elasticrubber cap is arranged at the rear end of the T-shaped tube for sealing, and an indwelling needle core (1) enters into the T-shaped tube after passing through the elasticrubber cap, and then enters into the indwelling needle casing tube with the needle point going beyond the casing tube; the front end of a liquid inlet pipe (6) is connected with the side tube of the T-shaped tube, a strip-shaped sliding and fastening plate (10) is arranged at the middle end of the liquid inlet pipe, the rear end of the liquid inlet pipe is connected with a negative-pressure sacculus (7), and the other end of the negative-pressure sacculus (7) is connected with an infusion connector (8). As a steel connecting tube is lined at the root part of the casing tube, the strength of the casing tube is strengthened, the expensive biomaterial is omitted, and the cost is decreased, thereby being able to be widely popularized; as the tip end of the needle point is positioned at the internal periphery of the needle tube wall, the needle point damage to the opposite sides of the vessel wall is reduced.
Description
Technical field
This utility model relates to a kind of venous detaining needle, relates in particular to a kind of ultrathin venous detaining needle of negative pressure that carries.
Background technology
Venous detaining needle footpath is extensive use of at medical field, and oneself is through developing into three kinds of (I II III) types, but in clinical practice uses, finds all to exist defective in various degree:
(1) common remaining needle itself does not have depression generator, so many times the vein inanition, when vein forces down, protecting soil is difficult to see when implementing venipuncture find blood back, thereby have influence on nurse's judgement, cause puncture failure, repeatedly puncture, increase patient's misery, delay treatment opportunity, these situations old age, children's, lose blood, particularly see among the patient such as dehydration more.
(2) common remaining needle is owing to itself can not produce negative pressure, so the blood back chamber is bigger, pedestal is generally thicker; And (III) the type remaining needle is not with flank; So fixing insecure, easy pull-off.
(3) common remaining needle (I.II type) does not have the nut socket with homemade transfusion device, and it is not firm that homemade fluid and blood transfusion apparatus is connected with it; Pedestal+transfusion device convergence part hard partial-length is longer, is unfavorable for the site of puncture activity, and leakage easily gets loose.
(4) the indwelling casing tube root of common remaining needle and the easiest distortion of pedestal joining place, discounting cause remaining needle obstructed, the influence transfusion; Pedestal is thick more, sleeve pipe is thin more, movable manyly, fixing occur especially easily twisting when not firm, the discounting phenomenon.
(5) nook closing member of common remaining needle most advanced is positioned at the outer of nook closing member pipe, if be punctured vessel diameter hour, seen blood back in the puncture needle, and that needle point has damaged the offside blood vessel wall, causes puncture failure easily.
(6) the remaining needle sleeve pipe uses biomaterial, and price is higher, can not be extensive use of, and domestic hospital uses the remaining needle overwhelming majority to keep somewhere in patient body to be no more than 24 hours, to have formed waste.
Summary of the invention
This utility model purpose is: the above-mentioned six big defectives of improving existing remaining needle, provide a kind of medical personnel of making when the patient is punctured, improve puncture success rate, be convenient to properly fixing, reduce and keep somewhere the needle tubing warpage, reduce the incidence rate of injured blood vessel oppose side wall when puncturing, and may reduce the ultrathin remaining needle of band negative pressure of cost.
This utility model carries the ultrathin remaining needle of negative pressure, comprises remaining needle sleeve pipe and T shape pipe, the flexible rubber cap sealing in T shape pipe rear end, and the remaining needle nook closing member penetrates the elasticity rubber cap and enters T type pipe, enters the remaining needle sleeve pipe again, and needle point exceeds sleeve pipe; The feed tube front end connects the side pipe of T shape pipe, and the feed tube middle-end is provided with a bar shaped slip clamping plate, and the feed tube rear end links to each other with a negative pressure sacculus, and the negative pressure sacculus other end links to each other with infusion connector.Described remaining needle sleeve pipe is lined with connection tube in the rear end, and is connected with T shape pipe front end by connection tube, and described casing seat is made up of pedestal and T type pipe two parts, and the pedestal left side forms a flank; T type pipe is the part of remaining needle pipeline, and front end and remaining needle sleeve pipe join, and the rear end is by the gum elastic cap closure, and the puncture nook closing member stings rubber and enters T type pipe, enters the remaining needle sleeve pipe again, and needle point exceeds sleeve pipe; The side pipe of feed tube and T type pipe joins, and the T bore is suitable with steel connection tube external diameter.
This utility model T type pipe can also change one section into and bend to 90 degree soft transparent plastic tubes, sweep wraps up a property rubber tube outward closely, the puncture nook closing member stings rubber tube and plastic tube wall enters plastic tube from the dorsal part of curved section bullet song, pass steel connection tube, sleeve pipe, tip portion exceeds the sleeve pipe front end, and flexible plastic flexible pipe rear end extends to feed tube.
Negative pressure ball described in the utility model is hollow flat ball or oval flat ball, is provided with a spring in the oval ball of flat ball or flat, and negative pressure ball front end or rear and front end have one or two tubules to communicate with its inner chamber respectively, and negative pressure is passed to puncture needle needle point place.
Puncture nook closing member described in the utility model, its needle point increases a little inclined-plane at the big inclined-plane of common needle point offside, makes the most advanced inwall that is positioned at needle tubing of needle point; Have a side opening with needle point 1.0--2.0cm place, side opening is positioned at big inclined-plane one side.
Be lining in Injector Bushing pipe rear end and T shape pipe front end in the steel connection tube described in the utility model, and two pipes are connected, its front end surpasses pedestal 1.0-2.0cm, and its internal diameter is slightly larger than the nook closing member external diameter, and its external diameter is slightly less than the cover external diameter of pipe.
Below this utility model is further described:
This utility model comprises that light transmissive material makes the remaining needle sleeve pipe, and remaining needle sleeve pipe rear end is connected with catheter block; Catheter block is divided into pedestal and T type pipe two parts, T type pipe front end is linked to each other by a liner steel connection tube with the trocar cannula rear end, rear end one side pipe links to each other with feed tube, the rear end is then sealed by a gum elastic, the puncture nook closing member stings rubber and enters T type pipe, the steel internal lining pipe enters the remaining needle sleeve pipe again, and needle point exceeds sleeve pipe; Or T type pipe changes one section into and bends to 90 degree soft transparent plastic tubes, sweep wraps up one section elastic rubber tube outward closely, the puncture nook closing member stings rubber tube and plastic tube wall enters plastic tube from the dorsal part of bending, passes steel connection tube, sleeve pipe, and tip portion exceeds the sleeve pipe front end.The feed tube rear end links to each other with a negative pressure sacculus, and the negative pressure sacculus other end links to each other with infusion connector; Or two joints of feed tube rear end connection, one links to each other with transfusion device, and another joint then links to each other with negative pressure ball.
The ultrathin remaining needle of this utility model band negative pressure, wherein said remaining needle sleeve pipe is made by transparent or semitransparent biomaterial, plastic material, metal material, front end wraps tightly nook closing member, rear end and nook closing member have fine clearance, back terminal inner lining has the steel connection tube, and terminal inner lining is in T type pipe front inner wall behind the steel connection tube, and the formation sleeve pipe is connected with T shape pipe, the internal diameter of remaining needle sleeve pipe and T type pipe is slightly less than the external diameter of steel connection tube, and steel connection tube internal diameter is slightly larger than the external diameter of nook closing member.When the remaining needle sleeve pipe was made by metal tube, metal connecting tube can be cancelled, and is substituted by the metal canula rear portion.
The ultrathin remaining needle of this utility model band negative pressure, wherein said casing seat is made up of pedestal and T type pipe two parts, and pedestal is made by rigid plastics, mainly is parcel T type pipe, is convenient to the fixedly effect of remaining needle, and forms a flank in the left side; T type pipe is the part of remaining needle pipeline, and front end and remaining needle sleeve pipe join, and the rear end is sealed by gum elastic, and the puncture nook closing member stings rubber and enters T type pipe, enters the remaining needle sleeve pipe again, and needle point exceeds sleeve pipe; The side pipe of feed tube and T type pipe joins.Or T type pipe changes one section into and bends to 90 degree soft transparent plastic tubes, sweep wraps up one section elastic rubber tube outward closely, the puncture nook closing member stings rubber tube and plastic tube wall enters plastic tube from the dorsal part of bending, pass steel connection tube, sleeve pipe, tip portion exceeds the sleeve pipe front end, puncture finishes and extracts nook closing member, and the gum elastic of coated outside plays the effect of the pin hole on the sealing plastic tube, and flexible plastic flexible pipe rear end extends to feed tube.
The ultrathin remaining needle of this utility model band negative pressure, wherein said remaining needle nook closing member, front end is made by the hollow metal tubule, and a flat handle shape is made after curving the right angle by duroplasts parcel needle tubing rear portion in the rear end, and operator's finger grips when being used to puncture.Needle point and existing remaining needle needle point difference are: (1) has the most advanced most peripheral that is positioned at tube wall of remaining needle needle point now, and the most advanced tube wall that is positioned at of this remaining needle needle point is all, promptly increase by a little inclined-plane at the big inclined-plane of common needle point offside, be beneficial to reduce needle point when making the remaining needle sleeve pipe, in order to increase the intensity of plastic material, can be at the levigate 0.1mm external diameter of the needle tubing periphery of needle point and needle point basilar part, like this inserting needle then pin drive sleeve pipe, the withdraw of the needle is unaffected, and the smaller rear portion of Injector Bushing tube opening helps preventing that the sleeve opening cracking from turning up.
The ultrathin remaining needle of this utility model band negative pressure, wherein said feed tube is made by nontoxic soft moulding, the effect of casing seat and infusion connector is pressed by the company of playing, the middle part is provided with a bar shaped slip clamping plate, slip clamp is pulled the feed tube that is provided with bar shaped and is passed through the hole, feed tube passes through the diameter of the stomidium footpath in hole greater than described feed tube, and the width of its other end is less than the double wall thickness that prolongs pipe.
The ultrathin remaining needle of this utility model band negative pressure, wherein said negative pressure sacculus can be designed to multiple structure, inserts at a plurality of positions.Wherein best as follows: (1) negative pressure sacculus is to be hollow flat ball or the oval ball of flat in one, plastics or rubber by certain intensity are made, in it spring can be arranged, unclamp the shape that oneself to resile after shriveling, thereby generation negative pressure, rear and front end have tubule to communicate with inner chamber respectively, are connected between the rear end and joint of feed tube.(2) the negative pressure sacculus is to be hollow flat ball or the oval ball of flat in one, plastics or rubber by certain intensity are made, and in it spring can be arranged, and unclamp the shape that can oneself resile after shriveling, there is tubule to link to each other before it, tubule is provided with two check valves, by shriveling and loosening negative pressure ball, can produce the suction to gas in the remaining needle pipeline, thereby make and produce negative pressure in the pipeline, the feed tube rear end can connect two joints, and one of them connects tube for transfusion, and another connects the negative pressure sacculus; Or negative pressure gasbag front end tubule do not establish check valve, is connected with one of them joint of feed tube rear end.(3) the negative pressure sacculus also can link to each other with the remaining needle nook closing member, is arranged at handle part, then gets rid of air in it by pinching handle, loosens then in the remaining needle pipeline that has sealed to produce certain negative pressure.
When this utility model carried the use of negative pressure ultrathin type remaining needle, the operator at first shriveled negative pressure sacculus reuse slip clamp plate holder and closes feed tube; The right hand is held needle handle puncture then, needle point enter subcutaneous after, decontrol sliding clamp, so be negative pressure in the needle tubing of puncture needle at this moment, in case negative pressure will suck vessel inner blood in the nook closing member very soon in the needle point intravasation, needle tubing, and allows the operator observe by side opening, stop inserting needle and fixing nook closing member immediately, advance sleeve pipe, after sleeve pipe enters certain depth, pull out nook closing member, fixedly remaining needle pedestal, i.e. complete operation;
Because this remaining needle sleeve pipe root has steel connection tube liner to strengthen, when the site of puncture was movable, ferrule boot can not give a discount influenced transfusion; Because the reinforcement of steel connection tube is arranged, and the sleeve pipe pipe wall material can be used plastic production, replace expensive biomaterial, reduce the remaining needle cost; In the most advanced week that is positioned at the nook closing member tube wall of needle point, can prevent that when lumen of vessels is more tiny the operator from time not setting level needle tubing and causing the damage of needle point to the blood vessel oppose side wall.
The advantage of the ultrathin remaining needle of this utility model band negative pressure is:＜1〉this remaining needle can control oneself forms negative pressure that puncture person is observed blood back as early as possible is very favourable, common retained needle puncture was difficult to occur blood back when especially inanition, venous pressure were extremely low in blood vessel, and this remaining needle is then very easily successful.＜2〉this remaining needle " the more common remaining needle of type pipe is little, and pedestal is thin and have a flank, thus can attached subsides be fixed on the site of puncture, be difficult for slippage.＜3〉this remaining needle sleeve pipe rear portion is taken over by metal inner lining and is gained in strength, so puncture back patient activity, it is obstructed that sleeve pipe and pedestal connecting portion are difficult for warpage.＜4〉this remaining needle needle point is most advanced is positioned at needle tubing week, so be not easy the injured blood vessel offside during puncture, increases success rate.＜5〉reduced expensive biomaterial and helped reducing cost, cut the waste, helped substituting the steel puncture needle and in vast outpatient, promote the use of.
Further describe below in conjunction with the specific embodiment of accompanying drawing the ultrathin remaining needle of band negative pressure of the present utility model.
Description of drawings
Fig. 1 is first kind of example structure sketch map of the present utility model.
Fig. 2 is the partial enlarged drawing of figure one.
Fig. 3 is second kind of example structure sketch map of the present utility model.
Fig. 4 is the partial enlarged drawing of figure three.
Fig. 5 is the first example structure sketch map of negative pressure sacculus in this utility model.
Fig. 6 is the second example structure sketch map of negative pressure sacculus in this utility model.
Fig. 7 is the 3rd an example structure sketch map of negative pressure sacculus in this utility model.
Fig. 8 is the 4th an example structure sketch map of negative pressure sacculus in this utility model.
The specific embodiment
Embodiment 1, with reference to figure 1:
As seen from Figure 1, the ultrathin remaining needle of this utility model band negative pressure comprises and keeps somewhere nook closing member 1 that front end is made by the steel needle tubing, and the rear end bends to 90 degree and links to each other with a rigid plastics needle handle; Remaining needle sleeve pipe 2 is made by transparent or semitransparent biomaterial, plastic material or metal tube; Steel connection tube 3, its internal diameter are slightly larger than keeps somewhere nook closing member 1, and external diameter is slightly larger than remaining needle sleeve pipe 2, is lining in sleeve pipe 2 rear ends and T type pipe 4 front tube intracavity in closely; T type pipe 4, T type pipe rear end is sealed by gum elastic medicated cap 9, and indwelling nook closing member 1 penetrates rubber cap 9 and directly goes into T type pipe 4, goes into remaining needle sleeve pipe 1 through steel connection tube 3, and needle point exceeds sleeve opening; Feed tube 6, front end links to each other with the side pipe of T type pipe 4, and middle-end cover one clamps slide plate 10, and the rear end links to each other with the screw socket joint, and wherein a screw socket joint and negative pressure sacculus 7 join, and another screw socket joint 8 links to each other with the transfusion device joint.
When the remaining needle sleeve pipe was made by metal tube, metal connecting tube can be cancelled, and is substituted by the metal canula rear portion, the metal canula rear portion directly and the T front end join.
With reference to figure 2 is the partial enlarged drawing of Fig. 1.
Remaining needle nook closing member 1 most advanced and sophisticated big inclined-plane offside has a little inclined-plane as seen from Figure 2, the most advanced week that is positioned at needle tubing, needle point and needle point substrate needle tubing are thin than plan and control outside the shank portion, the Injector Bushing mouth of pipe and nook closing member parcel are tightr, shank has a side opening apart from the about 1.0cm of needle point place, and side opening is opened in the big inclined-plane of nook closing member one side.
As seen from Figure 3, the ultrathin remaining needle of this utility model band negative pressure comprises and keeps somewhere nook closing member 1 that front end is made by the steel needle tubing, and the rear end bends to 90 degree and links to each other with a rigid plastics needle handle; Remaining needle sleeve pipe 2, by transparent or semitransparent biomaterial, plastic material or metal tube are made; Steel connection tube 3, its internal diameter are slightly larger than keeps somewhere nook closing member 1, and external diameter is slightly larger than remaining needle sleeve pipe 2, is lining in sleeve pipe 2 rear ends and feed tube 6 front tube intracavity in closely; Feed tube 6, make by the soft transparent plastic tube, one section bends to 90 degree behind the steel connecting leg convergence part, sweep wraps up one section elastic rubber tube outward closely, the puncture nook closing member stings rubber tube and plastic tube wall enters plastic tube from the dorsal part of bending, pass steel connection tube, sleeve pipe, tip portion exceeds the sleeve pipe front end.Feed tube rear end 6 links to each other with a negative pressure sacculus 7, and the negative pressure sacculus other end links to each other with screw socket joint 8; Or two joints of feed tube rear end connection, one links to each other with transfusion device, and another joint then links to each other with the negative pressure sacculus.
When the remaining needle sleeve pipe was made by metal tube, metal connecting tube can be cancelled, and is substituted by the metal canula rear portion, and the metal canula rear portion directly links to each other with the feed tube that lucite pipe is made.
With reference to figure 4 is Fig. 3 partial enlarged drawing.
Remaining needle nook closing member 1 most advanced and sophisticated big inclined-plane offside has a little inclined-plane as seen from Figure 4, the most advanced week that is positioned at needle tubing, needle point and needle point substrate needle tubing are thin than plan and control outside the shank portion, the Injector Bushing mouth of pipe and nook closing member parcel are tightr, shank has a side opening apart from the about 1.0cm of needle point place, side opening is opened in the big inclined-plane of nook closing member one side, and telescopic root has steel connection tube 3 liners to strengthen.
A kind of manufacturing way of negative pressure sacculus as seen from Figure 5: insert sustainable formula negative pressure sacculus, 11 is connection tube, is used for linking to each other with remaining needle screw socket joint; 33 is the rubber system check valve in the embedded connection tube, and gas or liquid can only be along the directions of arrow among the figure, to the one-way movement of air bag direction; 22 is another check valve, and it is made of with rubber ring 44 that is wrapped in outside it aperture at connection tube rear portion, and gas or liquid can only be along the directions of arrow among the figure, by discharging outside pipe in the pipe; 55 is the negative pressure capsule, spherical or flat is oval spherical for hollow flat, plastics or rubber by certain intensity are made, unclamp the shape that oneself to resile after shriveling, by extruding with unclamp the negative pressure capsule, can establish the negative pressure capsule that a spring supports is flattened in it and resile,, thereby produce negative pressure at its intracavity from the suction of sustainable generation to gas in the remaining needle or liquid.
This is the another kind of production method of negative pressure sacculus as seen from Figure 6: single needle handle negative pressure sacculus, 11 are the puncture nook closing member, 22 is that hollow flat is spherical, by the negative pressure capsule that the plastics or the rubber of certain intensity are made, can establish a spring 33 in it, be embedded in needle handle central authorities, communicate with pipe in the nook closing member by tubule, unclamp the shape that oneself to resile after shriveling, by extruding with unclamp the negative pressure capsule, generation is to the suction of gas in the remaining needle or liquid, thereby produces negative pressure at its intracavity.
By the figure seven another kind of manufacturing way of negative pressure sacculus as can be seen: plug-in type single negative pressure sacculus, 11 is connection tube, is used for linking to each other with remaining needle screw socket joint; 22 is the negative pressure capsule, spherical or flat is oval spherical for hollow flat, plastics or rubber by certain intensity are made, in it spring 33 can be arranged, unclamp the shape that oneself to resile after shriveling, by pushing and unclamping the negative pressure capsule, produce suction, thereby produce negative pressure at its intracavity to gas in the remaining needle or liquid.
The another kind of manufacturing way of negative pressure sacculus as seen from Figure 8: fixed single negative pressure sacculus, 11,33 be connection tube, between feed tube and screw socket joint in the access remaining needle pipeline; 22 is the negative pressure capsule, spherical or flat is oval spherical for hollow flat, plastics or rubber by certain intensity are made, in it spring 44 can be arranged, unclamp the shape that oneself to resile after shriveling, by pushing and unclamping the negative pressure capsule, produce suction, thereby produce negative pressure at its intracavity to gas in the remaining needle or liquid.
The above only is the preferable implementation example of this patent, is not to the restriction on any situation of this patent, simple modification, equivalent variations and the modification of any situation that every foundation technical spirit of the present invention is done the foregoing description; All still belong in the scope of the technology of the present invention side etc.
Claims (5)
1, the ultrathin venous detaining needle of a kind of band negative pressure, comprise remaining needle sleeve pipe (2) and T shape pipe, it is characterized in that: the flexible rubber cap sealing in T shape pipe rear end, remaining needle nook closing member (1) penetrates the elasticity rubber cap and enters T type pipe, enter the remaining needle sleeve pipe again, needle point exceeds sleeve pipe; Feed tube (6) front end connects the side pipe of T shape pipe, and the feed tube middle-end is provided with a bar shaped slip clamping plate (10), and the feed tube rear end links to each other with a negative pressure sacculus (7), and the negative pressure sacculus other end links to each other with infusion connector (8).
2, according to the ultrathin venous detaining needle of the described band negative pressure of claim 1, it is characterized in that: described remaining needle sleeve pipe (2) back terminal inner lining has connection tube (3), and be connected by connection tube and T shape pipe (4) front end, described casing seat is made up of pedestal and T type pipe two parts, and the pedestal left side forms a flank; T type pipe is the part of remaining needle pipeline, and front end and remaining needle sleeve pipe join, and the rear end is by the gum elastic cap closure, and the puncture nook closing member stings rubber and enters T type pipe, enters the remaining needle sleeve pipe again, and needle point exceeds sleeve pipe; The side pipe of feed tube and T type pipe joins, and the T bore is suitable with steel connection tube external diameter.
3, according to the ultrathin venous detaining needle of the described band negative pressure of claim 1, it is characterized in that: described negative pressure ball is hollow flat ball or oval flat ball, be provided with a spring in the oval ball of flat ball or flat, negative pressure ball front end or rear and front end have one or two tubules to communicate with its inner chamber respectively, and negative pressure is passed to puncture needle needle point place.
4, according to the ultrathin venous detaining needle of the described band negative pressure of claim 1, it is characterized in that: described puncture nook closing member (1), its needle point increases a little inclined-plane at the big inclined-plane of common needle point offside, makes the most advanced inwall that is positioned at needle tubing of needle point; Have a side opening with needle point 1.0--2.0cm place, side opening is positioned at big inclined-plane one side.
5, according to the ultrathin venous detaining needle of the described band negative pressure of claim 2, it is characterized in that: be lining in Injector Bushing pipe rear end and T shape pipe front end in the described steel connection tube (3), and two pipes are connected, its front end surpasses pedestal 1.0-2.0cm, its internal diameter is slightly larger than the nook closing member external diameter, and its external diameter is slightly less than the cover external diameter of pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200579185U CN201164650Y (en) | 2007-09-28 | 2007-09-28 | Ultra thin type venous indwelling needle with negative-pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200579185U CN201164650Y (en) | 2007-09-28 | 2007-09-28 | Ultra thin type venous indwelling needle with negative-pressure |
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| Publication Number | Publication Date |
|---|---|
| CN201164650Y true CN201164650Y (en) | 2008-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200579185U Expired - Fee Related CN201164650Y (en) | 2007-09-28 | 2007-09-28 | Ultra thin type venous indwelling needle with negative-pressure |
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| CN (1) | CN201164650Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102836479A (en) * | 2012-09-13 | 2012-12-26 | 苏州林华医疗器械有限公司 | Security-type venous indwelling needle |
| CN104958804A (en) * | 2015-06-04 | 2015-10-07 | 重庆广播电视大学 | Toxin expelling device |
| CN105435330A (en) * | 2015-12-12 | 2016-03-30 | 上海宝舜医疗器械有限公司 | Blood return observation window of puncture set |
| CN106860953A (en) * | 2017-04-13 | 2017-06-20 | 王辉 | A kind of automatic exhaust automatic liquid-stopping sensitive blood returning transfusion system tool and its technical scheme |
| CN108635666A (en) * | 2018-07-17 | 2018-10-12 | 锦州诺德医疗器械科技有限公司 | A kind of calparine cap |
| CN110585520A (en) * | 2019-09-27 | 2019-12-20 | 苏州林华医疗器械股份有限公司 | Negative pressure type visible blood return retaining needle for jugular vein |
| CN113995486A (en) * | 2021-12-20 | 2022-02-01 | 张洪阳 | Arteriovenous puncture sensitivity-improving balloon indwelling needle |
-
2007
- 2007-09-28 CN CNU2007200579185U patent/CN201164650Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102836479A (en) * | 2012-09-13 | 2012-12-26 | 苏州林华医疗器械有限公司 | Security-type venous indwelling needle |
| CN102836479B (en) * | 2012-09-13 | 2014-04-09 | 苏州林华医疗器械有限公司 | Security-type venous indwelling needle |
| CN104958804A (en) * | 2015-06-04 | 2015-10-07 | 重庆广播电视大学 | Toxin expelling device |
| CN105435330A (en) * | 2015-12-12 | 2016-03-30 | 上海宝舜医疗器械有限公司 | Blood return observation window of puncture set |
| CN106860953A (en) * | 2017-04-13 | 2017-06-20 | 王辉 | A kind of automatic exhaust automatic liquid-stopping sensitive blood returning transfusion system tool and its technical scheme |
| CN108635666A (en) * | 2018-07-17 | 2018-10-12 | 锦州诺德医疗器械科技有限公司 | A kind of calparine cap |
| CN110585520A (en) * | 2019-09-27 | 2019-12-20 | 苏州林华医疗器械股份有限公司 | Negative pressure type visible blood return retaining needle for jugular vein |
| CN113995486A (en) * | 2021-12-20 | 2022-02-01 | 张洪阳 | Arteriovenous puncture sensitivity-improving balloon indwelling needle |
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