CN1240148A - Multi-purpose safety automatic infusion intravenous indwelling needle - Google Patents

Multi-purpose safety automatic infusion intravenous indwelling needle Download PDF

Info

Publication number
CN1240148A
CN1240148A CN 98102703 CN98102703A CN1240148A CN 1240148 A CN1240148 A CN 1240148A CN 98102703 CN98102703 CN 98102703 CN 98102703 A CN98102703 A CN 98102703A CN 1240148 A CN1240148 A CN 1240148A
Authority
CN
China
Prior art keywords
needle
sleeve
indwelling
soft
joint
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 98102703
Other languages
Chinese (zh)
Other versions
CN1135122C (en
Inventor
刘文能
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CNB981027032A priority Critical patent/CN1135122C/en
Publication of CN1240148A publication Critical patent/CN1240148A/en
Application granted granted Critical
Publication of CN1135122C publication Critical patent/CN1135122C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

A multipurpose safe automatic transfusion venous indwelling needle comprises a three-fork pipe joint, an indwelling soft needle, a steel needle and a transfusion pipe, wherein the first joint end and the second joint end of the three-fork pipe joint are axially aligned, a rubber cap sleeve is nested at the second joint end, the indwelling soft needle is nested at the first joint end of the three-fork pipe joint, the steel needle is slidably sleeved in a sleeve which is nested at the second joint end of the three-fork pipe joint, the needle body axially penetrates through the indwelling soft needle, the transfusion pipe is connected with the third joint end of the three-fork pipe joint in series, and liquid medicine is injected into a patient through the indwelling soft needle. After the indwelling soft needle and the needle body are inserted into the vein of a patient, the needle body is pulled back from the rear side of the sleeve, so that the needle body is retracted and buckled in the sleeve, the puncture and infection of the exposed needle body can be avoided, and the injection procedure can be finished easily.

Description

Multipurpose high-safety needle staying on vein for automatic infusion
The present invention relates to a kind of sanitation and health-care field and be input into medium in the body or impose on apparatus on the body, particularly relate to a kind of multipurpose high-safety needle staying on vein for automatic infusion.
Employed venous detaining needle (IV.X-RAY CATHETER NEEDLE) all is to be engaged in intravenous injection with single injection needle for medical personnel to use in medical treatment at present, and above-mentioned existing venous detaining needle, see also shown in Figure 1, it comprises: one keeps somewhere a soft pin 100 and a draw point 200, wherein the needle body 200a of this draw point 200 is placed through among the soft pin 100a of portion that keeps somewhere soft pin 100, to increase the hardness of the soft pin 100a of portion, can successfully insert in the patient's vein so that keep somewhere the soft pin 100a of portion of soft pin 100, after the soft pin 100a of portion that will keep somewhere soft pin 100 inserts vein, the medical worker must push down the soft pin 100a of portion with proficiency F, to prevent that the intravital blood of patient from refluxing, and another hands needs simultaneously draw point 200 to be pulled back, and it is extracted out from keep somewhere soft pin 100, then again a tube for transfusion 300 serial connections are kept somewhere soft pin 100, and finish injecting step, but above-mentioned existing remaining needle still has following shortcoming in use:
1, when medical personnel pinned the soft pin 100a of portion that keeps somewhere soft pin 100 on the other hand, another hands detaches draw point 200 again, is connected in series tube for transfusion 300 again, seems in a rush in operation, and was extremely inconvenient.
2, when draw point 200 was extracted out, it promptly is exposed to the external world fully, causes medical personnel to be wounded by stabbing easily, and infects diseases such as AIDS, acute, chronic hepatitis, and was very dangerous.
Because the defective that above-mentioned existing venous detaining needle exists, the inventor is based on abundant practical experience and Professional knowledge, through constantly studying, design, and after studying sample repeatedly and improving, creates the present invention finally.
Main purpose of the present invention is, overcome the defective that existing venous detaining needle exists, and provide a kind of multipurpose high-safety needle staying on vein for automatic infusion of new structure, make it be provided with a Y-pipe joint, one keeps somewhere soft pin, one draw point and a tube for transfusion, and make medical personnel when application is of the present invention, after the soft pin of indwelling can being thrust patient's vein together with the draw point needle body, layback moves back this draw point needle body behind the sleeve, and make to contract in this draw point needle body and be snapped in the sleeve, can avoid the draw point needle body to expose, injure the accidental situation that catches and thorn takes place, and can finish injecting step at leisure.
Another object of the present invention is to, a kind of multipurpose high-safety needle staying on vein for automatic infusion is provided, make its have simple structure, assembling easy, easy to operate, have safety, and can be widely applicable for the effect that multipurposes such as the transfusion of adult, child or animal medical treatment or blood transfusion are used.
The objective of the invention is to realize by following technical scheme.A kind of multipurpose high-safety needle staying on vein for automatic infusion according to the present invention's proposition, it comprises a Y-pipe joint, indwelling soft pin, a draw point and a tube for transfusion, it is characterized in that: above-mentioned Y-pipe joint, its first, second tip side is an axial alignment, and a terminal nested rubber cap sleeve of this second tip side; The soft pin of above-mentioned indwelling, it includes a needle stand, and its bottom is concaved with a cover cave, and on first tip side that is nested in this Y-pipe joint, and the top of this needle stand upwards is connected with a soft pin portion; Above-mentioned draw point, include a pedestal sliding sleeve in a sleeve, this telescopic top section is nested in second tip side of this Y-pipe joint, and the top of this pedestal lengthways upwards is connected with a needle body, with operatively sliding this soft pin portion of keeping somewhere soft pin that places, be provided with a clamping part at least on this pedestal in addition, with this telescopic snapping portion of slippage buckle downwards operatively, so that this needle body withdraws from this soft pin portion fully, and firmly be built in this sleeve; Above-mentioned tube for transfusion, its first pipe end is serially connected with the 3rd tip side of this Y-pipe joint, injects in patient's body for carrying medicinal liquid to keep somewhere soft pin through this.
Purpose of the present invention can also further realize by following technical measures.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, its bottom of the pedestal of wherein said draw point is provided with a pull bar for lengthways extending, and is concaved with at least one groove that fractures on this pull bar at least.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, the clamping part of wherein said draw point pedestal, it is to be concaved with a circular rabbet at this pedestal periphery, and this telescopic snapping portion, be provided with a lip portions for the root edge at this telescopic hollow trepanning forms, the circular rabbet correspondence of this pedestal periphery is snapped in this telescopic lip portions.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, the clamping part of wherein said draw point pedestal, its for from this pedestal bottom upwards ring be concaved with a caulking groove, and should be telescopic snapping portion for from its bottom upwards ring be equipped with a prominent ring wall, with the corresponding mutual buckle of clamping part of pedestal.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, it is a nested hose coupling for second pipe end of wherein said tube for transfusion, the outer rim of this hose coupling is provided with an enclosing cover, to cover the outlet of this hose coupling.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, it is provided with a needle cover the soft pin of wherein said indwelling, and this needle cover upwards is concaved with a protective jacket cave from its bottom, be nested in outside the needle stand, and contain this soft pin portion in it.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, the clamping part of wherein said draw point pedestal, it is for being concaved with a L type groove at least on its circumferential surface, and should be telescopic snapping portion for from telescopic hollow trepanning at least projection be provided with prominent a pin.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, it is a nested hose coupling for second pipe end of wherein said tube for transfusion, the outer rim of this hose coupling is provided with an enclosing cover, to cover the outlet of this hose coupling.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, it is provided with a needle cover the soft pin of wherein said indwelling, and this needle cover upwards is concaved with a protective jacket cave from its bottom, be nested in outside the needle stand, and contain this soft pin portion in it.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, its end of the pull bar of the pedestal of wherein said draw point is provided with leader portion.
The present invention compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, the present invention mainly comprises: a Y-pipe joint, and its first tip side, second tip side axially align, and the nested rubber cap sleeve of this second tip side; One keeps somewhere first tip side that soft pin is nested in this Y-pipe joint; One draw point sliding sleeve is in a sleeve, and this sleeve is nested on second tip side of this Y-pipe joint, and this draw point needle body axially is placed through this and keeps somewhere among the soft pin; One tube for transfusion is serially connected with the 3rd tip side of this Y-pipe joint, injects in patient's body for carrying medicinal liquid to keep somewhere soft pin through this; So, medical personnel are when application is of the present invention, after the soft pin of indwelling can being thrust patient's vein together with the draw point needle body, layback moves back this draw point needle body behind the sleeve, and the buckle that contracts in this draw point needle body is hidden in this sleeve, can avoid the draw point needle body to expose, and the thorn that meets accident injures the situation that catches etc., and can finish the injecting program of venous detaining needle at leisure.
Because present invention be primarily characterized in that first tip side of this Y-pipe joint is the nested soft pin of an indwelling that is provided with, and its second tip side is the nested sleeve that is provided with, and make the sliding needle body of putting a draw point in this sleeve, and this needle body operatively axially is placed through keep somewhere in the soft pin portion of soft pin, the 3rd tip side of this Y-pipe joint is that serial connection one tube for transfusion enters in the Y-pipe joint with the guiding medicinal liquid in addition; Be built in the sleeve so the needle body of draw point is shunk back in injection, can be with this sleeve discard processing in the lump, and have following advantage:
1, have safety:
Because the needle body of draw point does not expose, so can avoid stabbing other people accidental situation effectively, has safety.
2, easy to operate:
It is convenient that it manipulates more existing venous detaining needle, can be more calm in the operation.
3, simple structure, assembling are easy.
4, multipurpose is used:
The present invention can be widely applicable for multipurposes such as the transfusion of adult, child or animal medical treatment or blood transfusion and use.
In sum, draw point needle body of the present invention does not expose in sleeve for hiding snaps into position, so the safety can guarantee to handle Biohazard Waste the time; In addition during the needle body of the draw point of the present invention in removing soft pin portion, do not need as existing venous detaining needle, must first on the other hand pressure keep somewhere soft pin by this, thus very calm on manipulating, and highlight practicality of the present invention and novelty more.No matter it structurally or bigger improvement is all arranged on the function, and have than much progress technically, and produced handy and practical effect, and have the effect of enhancement really, thereby be suitable for practicality more, really is a new and innovative, progressive, practical new design.
Concrete structure of the present invention is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is the structural representation of existing venous detaining needle.
Fig. 2 is an exploded perspective view of the present invention.
Fig. 3 is an axonometric chart of the present invention.
Structural representation when Fig. 4 is the soft pin insertion of indwelling of the present invention patient.
Fig. 5 pulls back among Fig. 4 to move back and the fixing structural representation of draw point needle body.
Fig. 6 takes off draw point needle body and telescopic structural representation among Fig. 5.
Fig. 7 is the structural representation of draw point second embodiment of the present invention.
Fig. 8 is the structural representation of draw point the 3rd embodiment of the present invention.
Below in conjunction with accompanying drawing and preferred embodiment, to its concrete structure of multipurpose high-safety needle staying on vein for automatic infusion, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
See also Fig. 2 to shown in Figure 6, multipurpose high-safety needle staying on vein for automatic infusion of the present invention, it mainly comprises a Y-pipe joint 1, indwelling soft pin 2, a draw point 3 and a tube for transfusion 4, wherein:
Above-mentioned Y-pipe joint 1 makes its first, second tip side 11,12 be axial alignment, and a terminal nested rubber cap sleeve 121 of this second tip side 12;
The soft pin 2 of above-mentioned indwelling is nested on first tip side 11 of Y-pipe joint 1;
Above-mentioned draw point 3 includes a needle body 32 sliding sleeves in a sleeve 33, and the needle body 32 of draw point 3 axially is placed through in the soft pin 2 of indwelling; And
Above-mentioned tube for transfusion 4 is serially connected with the 3rd tip side 13 of Y-pipe joint 1, for carrying medicinal liquid to inject in patient's bodies through keeping somewhere soft pin 2;
So medical personnel are when using injection, can be with after keeping somewhere the needle body 32 of soft pin 2 and inserting patient's vein in the lump together with draw point 3, move back the needle body 32 of draw point 3 from sleeve 33 back laybacks, and make and be hidden in the sleeve 33 in the needle body 32 of draw point 3 with contracting buckle, expose with the needle body 32 of avoiding this draw point 3, and stab, accident such as infection, and make the medical worker can finish injecting program by easy stages.
See also Fig. 2 to shown in Figure 4, the soft pin 2 of above-mentioned indwelling, it includes the soft pin of a needle stand 21, a portion 22 and a needle cover 23, wherein, and this needle stand 21, its bottom is concaved with a cover cave 211 in being, on first tip side 11 that is nested in Y-pipe joint 1; This soft pin portion 22 extends upward from the top of needle stand 21, and axially runs through and be provided with an injection orifice 221; This needle cover 23 upwards is concaved with a protective jacket cave 231 from its bottom, being nested in outside the needle stand 21, and contain this soft pin portion 22 in it.
Above-mentioned draw point 3, it comprises a pedestal 31, a needle body 32 and a sleeve 33, wherein: this pedestal 31, its bottom is provided with a pull bar 311 for lengthways connecting to stretch, and is provided with a clamping part 312 on this pedestal 31 at least; This needle body 32 is embedded in the pedestal 31 and is and lengthways extends upward setting, with the sliding soft pin portion 22 of keeping somewhere soft pin 2 that places identically; This sleeve 33, include a hollow trepanning 331 with sliding sleeve outside pedestal 31, and contain this needle body 32 in it, the top section of the hollow trepanning 331 of this sleeve 33 is for to be nested in outside the rubber cap sleeve 121 of Y-pipe joint 1 second tip side 12 identically, on the inner wall of hollow trepanning 331, be provided with a snapping portion 332 at least in addition, with the clamping part 312 that is snapped in pedestal 31 accordingly;
The pedestal 31 of this draw point 3, its bottom lengthwise extend pull bar 311 its ends that are provided with and are provided with the 311a of leader portion, often to be exposed to outside the sleeve 33, draw withdraw of the needle body 32 for medical personnel;
See also Fig. 2 to shown in Figure 6, the clamping part 312 of above-mentioned pedestal 31, it can form on pedestal 31 and be provided with a circular rabbet (being clamping part 312), and the snapping portion 332 of sleeve 33, can form at the root edge of the hollow trepanning 331 of this sleeve 33 and be provided with a lip portions, make at this pedestal 31 operatively during the downward slippage of interlock needle body 32, the formed circular rabbet of its periphery (being clamping part 312), can be snapped in the lip portions (being snapping portion 332) of sleeve 33 accordingly, needle body 32 firmly is built in the sleeve 33, does not hurt sb.'s feelings and can not expose.
See also shown in Figure 7, be draw point second embodiment of the present invention, the draw point 3a that present embodiment disclosed, the clamping part 312a of its pedestal 31a, be upwards to encircle from its bottom to be concaved with a caulking groove with modifying, and the 332a of snapping portion of sleeve 33a, for modify ground from its bottom upwards ring be equipped with a prominent ring wall, accordingly with the mutual buckle of clamping part 312a of pedestal 31a.
Other sees also shown in Figure 8, be draw point the 3rd embodiment of the present invention, the draw point 3b that present embodiment disclosed, the clamping part 312b of its pedestal 31b, for can on its circumferential surface, being concaved with a L type groove at least with modifying, the 332b of snapping portion of other sleeve 33b, be provided with a prominent pin for modifying ground formation, the clamping part 312b of this pedestal 31b, it is the 332b of snapping portion of slippage downwards and rotary manipulation ground this sleeve of buckle 33b, make the clamping part 312b slippage downwards of this pedestal 31b, and rotary manipulation be snapped in the 332b of snapping portion of this sleeve 33b; The version of this clamping part and snapping portion, the present invention also will not limit.
See also shown in Figure 5, disclosed draw point 3, the periphery of the pull bars 311 that extend downwards of 31 of pedestals wherein, also be concaved with at least one groove 311b that fractures, be beneficial to medical personnel pull back move back pull bar 311 after, can be beneficial to unload lower sleeve 33 backs and needle body 32 discard processing in the lump according to this groove 311b that fractures this pull bar 311 (shown in the imaginary line of Fig. 5) that fractures.
Above-mentioned tube for transfusion 4, its first pipe end 41 be for being serially connected with the 3rd tip side 13 of Y-pipe joint 1, and second pipe end 42 of tube for transfusion 4 is serial connection one hose coupling 43, and infusion pipe 5 waits other tube for transfusion for example to connect.These hose coupling 43 its outer rims are provided with an enclosing cover 431, to cover the outlet of hose coupling 43.
Below application scenarios of the present invention is described as follows.See also Fig. 1, Fig. 4, shown in Figure 5, when the present invention uses, can be earlier hose coupling 43 serial connections of tube for transfusion 4 second ends be waited other tube for transfusion as infusion pipe 5, and take off and overlap the needle cover 23 that is overlying on outside the soft pin 2 of indwelling, as shown in Figure 4, since this moment draw point 3 needle body 32 for slide the soft pin portion 22 that places the soft pin 2 of indwelling identically, making soft pin portion 22 have enough intensity can insert in the vein of patient B smoothly, in addition since second tip side, 12 ends of Y-pipe joint 1 nested rubber cap sleeve 121 for flexibly being coated on needle body 32 outer rims of draw point 3, die and enter the medicinal liquid of Y-pipe joint 1, the worry that this second tip side 12 of having no way of leaks through tube for transfusion 4.
As shown in Figure 5, then medical personnel are from the end of sleeve 33, the handle portion 311a that is connected with pull bar 311 ends pulls back and moves back pedestal 31, that is draw withdraw of the needle body 32 in the lump, this needle body 32 is withdrawed from fully in soft pin portion 22, and make the clamping part 312 of pedestal 31 and the snapping portion 332 mutual buckles of sleeve 33, make this needle body 32 buckle stably, be built in the sleeve 33, this moment, medical personnel can be according to the groove 311b that fractures on the pull bar 311, outer pull bar 311 parts of sleeve 33 fractureed (shown in imaginary line among Fig. 5) will be protruded in, and when drawing withdraw of the needle body 32, the medicinal liquid that enters Y-pipe joint 1 from tube for transfusion 4 promptly automatically injects in the body of patient B by keeping somewhere soft pin 2 from first tip side 11.
See also shown in Figure 6, then medical personnel can be with sleeve 33 together with the needle body 32 that is built in the draw point 3 in the sleeve 33 in the lump from second tip side, 12 removals, with discard processing in the lump, and finish the injecting program of remaining needle, when if this moment, needs of patients was injected other medicament, then can insert syringe cylinders, inject and get final product, use very convenient by the rubber cap sleeve 121 of second tip side, 12 ends.
Because draw point 3 needle bodies 32 of the present invention do not expose in sleeve 33 for hiding the ground snaps into position, it is hereby ensured the safety when handling Biohazard Waste; In addition during the needle body 32 of the draw point 3 of the present invention in removing soft pin portion 22, do not need as existing venous detaining needle, must the first pressure of proficiency keep somewhere soft pin 2 by this, thus very calm on manipulating, and highlight practicality of the present invention and novelty more.
Because it is the nested soft pin 2 of an indwelling that is provided with that the present invention is characterised in that first tip side 11 of this Y-pipe joint 1, and its second tip side 12 is the nested sleeves 33 that are provided with, make the sliding needle body 32 of putting a draw point 3 in the sleeve 33, and needle body 32 operatively axially is placed through keep somewhere in the soft pin portion 22 of soft pin 2, the 3rd tip side 13 of this Y-pipe joint 1 is that serial connection one tube for transfusion 4 enters in the Y-pipe joint 1 with the guiding medicinal liquid in addition; Therefore when injection, the needle body 32 of draw point 3 is shunk back be built in the sleeve 33, can be with sleeve 33 discard processing in the lump.Because the needle body 32 of draw point 3 does not expose, so can effectively avoid stabbing other people accidental situation, has safety.It is convenient that it manipulates more existing venous detaining needle, and operation is gone up can be more calm, and its simple structure, assembling are easily, can be widely used in being grown up, multipurpose uses such as the transfusion of child or animal medical treatment or blood transfusion.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.

Claims (10)

1、一种多用途安全自动输液静脉留置针,其包括一三叉管接头、一留置软针、一钢针及一输液管,其特征在于:1. A multi-purpose safe automatic infusion intravenous indwelling needle, which includes a trident tube joint, an indwelling soft needle, a steel needle and an infusion tube, characterized in that: 上述的三叉管接头,其第一、第二接头端为轴向对正,且该第二接头端的末端嵌套一橡胶帽套;The above-mentioned three-prong pipe joint, its first and second joint ends are axially aligned, and the end of the second joint end is nested with a rubber cap; 上述的留置软针,其包括有一针座,其底端凹设有一套穴,以嵌套于该三叉管接头的第一接头端上,且该针座的顶端向上连设一软针部;The above-mentioned indwelling soft needle includes a needle base, a set of holes is recessed at the bottom end to be nested on the first joint end of the trifurcated pipe joint, and a soft needle part is provided upwardly on the top of the needle base; 上述的钢针,包括有一座体滑套于一套筒中,该套筒的顶段嵌套于该三叉管接头的第二接头端,且该座体的顶端纵长地向上连设一针体,以操作地滑置于该留置软针的软针部中,另该座体上至少设置有一卡扣部,以操作地向下滑移卡扣该套筒的一扣接部,以使该针体完全退出该软针部,并稳固地内藏于该套筒中;The above-mentioned steel needle includes a seat body slidingly sleeved in a sleeve, the top section of the sleeve is nested in the second joint end of the trident pipe joint, and the top end of the seat body is connected with a needle lengthwise upward. The body is operatively slid into the soft needle part of the indwelling soft needle, and at least one buckle part is provided on the seat body, so as to operatively slide down and buckle a buckle part of the sleeve, so that The needle body completely withdraws from the soft needle portion and is firmly embedded in the sleeve; 上述的输液管,其第一管端串接于该三叉管接头的第三接头端,供输送药液经该留置软针注入患者体内。The first tube end of the above-mentioned infusion tube is connected in series with the third joint end of the three-pronged tube joint, so that the drug solution can be injected into the patient's body through the indwelling soft needle. 2、根据权利要求1所述的多用途安全自动输液静脉留置针,其特征在于其中所述的钢针的座体其底端为纵长地延伸设有一拉杆,并在该拉杆上至少凹设有至少一折断凹槽。2. The multi-purpose safe automatic infusion intravenous indwelling needle according to claim 1, characterized in that the bottom end of the base of the steel needle extends lengthwise and is provided with a pull rod, and on the pull rod is at least recessed There is at least one breaking groove. 3、根据权利要求2所述的多用途安全自动输液静脉留置针,其特征在于其中所述的钢针座体的卡扣部,其是在该座体周缘凹设有一环凹部,而该套筒的扣接部,为在该套筒的中空套孔的底缘形成设有一突缘部,该座体周缘的环凹部对应卡扣于该套筒的突缘部。3. The multi-purpose safe automatic infusion intravenous indwelling needle according to claim 2, characterized in that the buckle part of the steel needle seat body is provided with a ring concave part on the periphery of the seat body, and the sleeve The fastening portion of the barrel is formed with a flange portion at the bottom edge of the hollow sleeve hole of the sleeve, and the ring concave portion on the peripheral edge of the base is correspondingly buckled to the flange portion of the sleeve. 4、根据权利要求3所述的多用途安全自动输液静脉留置针,其特征在于其中所述的钢针座体的卡扣部,其为从该座体底端向上环凹设有一嵌槽,而该套筒的扣接部为从其底端向上环突设有一突环壁,与座体的卡扣部对应相互卡扣。4. The multi-purpose safe automatic infusion intravenous indwelling needle according to claim 3, characterized in that the buckle part of the steel needle seat is provided with a recessed ring from the bottom end of the seat upwards, And the fastening part of the sleeve is provided with a protruding ring wall protruding upward from its bottom end, corresponding to the buckling part of the seat body to buckle with each other. 5、根据权利要求4所述的多用途安全自动输液静脉留置针,其特征在于其中所述的输液管的第二管端其为嵌套一软管接头,该软管接头的外缘连设有一外盖,以盖合该软管接头的出口。5. The multi-purpose safe automatic infusion intravenous indwelling needle according to claim 4, characterized in that the second end of the infusion tube is nested with a hose connector, and the outer edge of the hose connector is connected with An outer cover is provided to cover the outlet of the hose connector. 6、根据权利要求5所述的多用途安全自动输液静脉留置针,其特征在于其中所述的留置软针其设有一针头盖,该针头盖从其底端向上凹设有一防护套穴,嵌套于针座之外,且包容该软针部于其内。6. The multi-purpose safe automatic infusion intravenous indwelling needle according to claim 5, characterized in that the indwelling soft needle is provided with a needle cover, and the needle cover is recessed upward from the bottom end with a protective sleeve hole, embedded It is set outside the needle base and accommodates the soft needle part inside. 7、根据权利要求3所述的多用途安全自动输液静脉留置针,其特征在于其中所述的钢针座体的卡扣部,其为在其周缘面上至少凹设有一L型槽,而该套筒的扣接部为从套筒的中空套孔至少突伸设有一突销。7. The multi-purpose safe automatic infusion intravenous indwelling needle according to claim 3, characterized in that the buckle part of the steel needle base is at least provided with an L-shaped groove on its peripheral surface, and The fastening portion of the sleeve is provided with at least one protruding pin protruding from the hollow sleeve hole of the sleeve. 8、根据权利要求7所述的多用途安全自动输液静脉留置针,其特征在于其中所述的输液管的第二管端其为嵌套一软管接头,该软管接头的外缘连设有一外盖,以盖合该软管接头的出口。8. The multi-purpose safe automatic infusion intravenous indwelling needle according to claim 7, characterized in that the second end of the infusion tube is nested with a hose connector, and the outer edge of the hose connector is connected with An outer cover is provided to cover the outlet of the hose connector. 9、根据权利要求8所述的多用途安全自动输液静脉留置针,其特征在于其中所述的留置软针其设有一针头盖,该针头盖从其底端向上凹设有一防护套穴,嵌套于针座之外,且包容该软针部于其内。9. The multi-purpose safe automatic infusion intravenous indwelling needle according to claim 8, characterized in that the indwelling soft needle is provided with a needle cover, and the needle cover is recessed upward from the bottom end with a protective sleeve hole embedded in it. It is set outside the needle base and accommodates the soft needle part inside. 10、根据权利要求6或9所述的多用途安全自动输液静脉留置针,其特征在于其中所述的钢针的座体的拉杆其末端连设有一把手部。10. The multi-purpose safe automatic infusion intravenous indwelling needle according to claim 6 or 9, wherein the end of the pull rod of the base of the steel needle is connected with a handle.
CNB981027032A 1998-06-23 1998-06-23 Multipurpose safety automatic transfusion vein retaining needle Expired - Fee Related CN1135122C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB981027032A CN1135122C (en) 1998-06-23 1998-06-23 Multipurpose safety automatic transfusion vein retaining needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB981027032A CN1135122C (en) 1998-06-23 1998-06-23 Multipurpose safety automatic transfusion vein retaining needle

Publications (2)

Publication Number Publication Date
CN1240148A true CN1240148A (en) 2000-01-05
CN1135122C CN1135122C (en) 2004-01-21

Family

ID=5217514

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB981027032A Expired - Fee Related CN1135122C (en) 1998-06-23 1998-06-23 Multipurpose safety automatic transfusion vein retaining needle

Country Status (1)

Country Link
CN (1) CN1135122C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006045214A1 (en) * 2004-10-27 2006-05-04 Chang-Ming Yang A safety drawing or injecting system
CN103830802A (en) * 2012-11-21 2014-06-04 黄水莲 Disposable secure transfusion remaining needle
CN104436364A (en) * 2014-12-17 2015-03-25 温州京环科技有限公司 Safety self-destructive intravenous infusion needle
CN105496516A (en) * 2015-12-07 2016-04-20 曾鹏泉 Closed arteriovenous puncture trocar

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008049331A1 (en) 2006-10-23 2008-05-02 Sun Medical-Scientific (Shanghai) Co., Ltd. Safety transfusion catheter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006045214A1 (en) * 2004-10-27 2006-05-04 Chang-Ming Yang A safety drawing or injecting system
CN100522267C (en) * 2004-10-27 2009-08-05 杨章民 Safety extraction or injection system
CN103830802A (en) * 2012-11-21 2014-06-04 黄水莲 Disposable secure transfusion remaining needle
CN103830802B (en) * 2012-11-21 2016-01-27 黄水莲 Single use safety transfusion remaining needle
CN104436364A (en) * 2014-12-17 2015-03-25 温州京环科技有限公司 Safety self-destructive intravenous infusion needle
CN105496516A (en) * 2015-12-07 2016-04-20 曾鹏泉 Closed arteriovenous puncture trocar
CN105496516B (en) * 2015-12-07 2020-07-24 曾鹏泉 Closed arteriovenous puncture trocar

Also Published As

Publication number Publication date
CN1135122C (en) 2004-01-21

Similar Documents

Publication Publication Date Title
JP3031338B2 (en) Multipurpose safe automatic infusion venous catheter
CN1218695A (en) disposable safety syringe
EP0747084B1 (en) Catheter arrangement with interlocking sequenced guarding members for protecting cannula
EP0494932A1 (en) Safety winged needle medical devices
CN1741829A (en) Safety guards for medical needles
CN1878584A (en) Safety shield for medical needles
CN1449844A (en) Needle assembly
EP2279769A1 (en) Single-use self-destruction safety syringe without fluid residua
CN1135122C (en) Multipurpose safety automatic transfusion vein retaining needle
CN1771070A (en) Safety needle and catheter assembly
CN1134272C (en) Multipurpose safety automatic transfusion vein retaining needle
US20120289899A1 (en) Self-locking single use syringe
US6719722B1 (en) Safety syringe
CN101480511B (en) Disposable safety syringe with syringe needle capable of automatically retracting
CN105214181B (en) Safety injector and its needle body needle stand pumpback device
CN1153592C (en) Multipurpose safety automatic transfusion vein retaining needle
JP2003505161A (en) Safety syringe
US5971959A (en) Automatic safety infusion catheter needle
CN2618563Y (en) Safety portable hemostix
CN2686631Y (en) Needle-exchanging auxiliary adapter structure of pull-back safety syringe
KR200234981Y1 (en) Injector for a once
CN222018727U (en) A safe infusion needle
CN114366937B (en) An environmentally friendly disposable indwelling needle with no dead angle and anti-stab
CN215537351U (en) An anti-needle puncture syringe
CN1163276C (en) Intravenous injector with safety retractable needle

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee