CN1277874A - Multi-purpose, safety and full automatic type long term retainable needle for intravenous transfusion - Google Patents
Multi-purpose, safety and full automatic type long term retainable needle for intravenous transfusion Download PDFInfo
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- CN1277874A CN1277874A CN 99109184 CN99109184A CN1277874A CN 1277874 A CN1277874 A CN 1277874A CN 99109184 CN99109184 CN 99109184 CN 99109184 A CN99109184 A CN 99109184A CN 1277874 A CN1277874 A CN 1277874A
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Abstract
The present invention relates to a multipurpose safe automatic infusion vein retaining needle which includes: a Y-pipe joint, its first and second terminals are axially alligned, the third terminal is serially conected to medicinal liquid infusion pipe; a retaining soft needle is inserted on first joining terminal; a steel needle device with its bottom end grasped on protecting sleeve, the top end of protecting sleeve is jacketed on the second joining terminal. When it is applied by medical worker, the retaining soft needle with the steel needle is thrusted onto the patient, then the steel needle with protective sleeve is released, and the steel needle will automatically drop into the rotecting sleeve.
Description
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 of the draw point device about transfusion vein indwelling needle.The pedestal of its draw point portion bottom of the draw point device of transfusion vein indwelling needle of the present invention often flexibly sliding sleeve, be snapped in this protective sleeve, make medical personnel when using, this draw point portion and this protective sleeve are triped, make this draw point portion automatically spring into, drop in this protective sleeve, and collected by institute's protective sleeve, be beneficial to Treatment of Medical ' Waste.The present invention be directed to this China invites the person is 98102703.2 on June 23rd, 1998 to the application number of Patent Office of the People's Republic of China's submission successively, name is called " multipurpose high-safety needle staying on vein for automatic infusion ", application number is 98117343.8, and name is called the improvement of the application for a patent for invention case that " multipurpose high-safety needle staying on vein for automatic infusion " wait and invents.
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 this soft pin 100a of portion, make the soft pin 100a of portion that keeps somewhere soft pin 100 can successfully be inserted in patient's the blood vessel, after the soft pin 100a of portion that will keep somewhere soft pin 100 inserts vein blood vessel, the medical worker must push down this soft pin 100a of portion with a finger F, to prevent that the intravital blood of patient from refluxing, and the 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 drop tube for transfusion 300 is serially connected with this and keeps somewhere soft pin 100, thereby finish the step of injection, make medicinal liquid can successfully inject human body, but above-mentioned existing remaining needle, it 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.
This shows that above-mentioned existing venous detaining needle still has many defectives, and the assistant officer waits to be improved.
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, make it include a Y-pipe joint, and keep somewhere soft pin, a draw point device and a tube for transfusion, wherein: this Y-pipe joint, its first, second tip side axially aligns, and its 3rd tip side can be connected in series a medicinal liquid tube for transfusion; This keeps somewhere soft pin, is nested in first tip side of this Y-pipe joint; This draw point device, contain a draw point portion and a protective sleeve, wherein the pedestal of this draw point portion bottom often flexibly sliding sleeve, be snapped in this protective sleeve, the top section of this protective sleeve is socketed on second tip side of this Y-pipe joint identically in addition, pedestal top projection one needle stand that makes this draw point portion is axially to set a draw point, make this draw point pass the top of this protective sleeve, and axial alignment be placed through this and keep somewhere among the soft pin, and be equipped with guide hole at this needle stand, outwards flow out smoothly with the guiding medicinal liquid; So make medical personnel when using, after can earlier the soft pin of this indwelling being thrust the patient together with this draw point, this draw point portion and this protective sleeve are triped, make this draw point portion automatically spring into, drop in this protective sleeve, and collected by this protective sleeve, be beneficial to Treatment of Medical ' Waste.
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, one keeps somewhere soft pin, an one draw point device and a tube for transfusion, it is characterized in that wherein: above-mentioned Y-pipe joint, include tube body, epimere at the tube body of this hollow defines first tip side that is formed with hollow, and the hypomere at this tube body defines second tip side that formation is provided with hollow, first tip side, second tip side is an axial alignment, and at the terminal nested rubber cap sleeve that is provided with of this second tip side, and outside projection is provided with one the 3rd tip side between first tip side of this tube body and second tip side, to be connected in series a tube for transfusion; The soft pin of above-mentioned indwelling includes a needle stand, and this needle stand bottom is concaved with a cover cave, and on first tip side that is nested in the Y-pipe joint, and the top of this needle stand upwards is provided with a soft pin portion; Above-mentioned draw point device, it includes a draw point portion and a protective sleeve, this draw point portion wherein, the pedestal of its bottom is sliding sleeve often, be snapped in this protective sleeve epimere, and between this draw point portion and protective sleeve, flexibly shore and be provided with a spring, with downward this draw point portion of pushing tow often, this protective sleeve in addition, its top section is socketed on second tip side of this Y-pipe joint identically, the pedestal top projection of this draw point portion is provided with a needle stand axially to set a draw point, this draw point passes the top of this protective sleeve, and axial alignment be placed through and keep somewhere among the soft pin, and be equipped with guide hole at this needle stand, flow out smoothly outwards with the guiding medicinal liquid, when operatively triping with protective sleeve in this draw point portion, this draw point portion is by means of the spring involution that stays between this draw point portion and protective sleeve, automatically spring into, drop in this protective sleeve, and collected by this protective sleeve.
Purpose of the present invention can also further realize by following technical measures.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, wherein said draw point device comprises a draw point portion, one protective sleeve and a spring, wherein: this draw point portion, its bottom is defined to form and is provided with a pedestal, on this pedestal, axially upwards be equipped with a needle stand, and radially run through at this needle stand and to be provided with at least one guide hole, connect to stretch in the bottom of this pedestal outer rim in addition and be provided with at least one button arm, respectively the end of this button arm is equipped with a hook part, and at the nested draw point that is provided with a hollow of the top of this needle stand section in it, the center through hole of this draw point and this guide hole mutual conduction; This protective sleeve, form by a upper bush and the mutual socket buckle of a lower sleeve, the top central authorities of this upper bush are provided with a perforation for axially running through, and upwards projection is provided with a clamping tube portion, with this clamping tube portion firmly double team in this Y-pipe joint second tip side outside the nested cap sleeve, and the bottom of this upper bush is for upwards being concaved with accommodation aperture on, bottom pedestal cunning with ccontaining draw point portion places in it, and outer rim is established at least one hook portion to evagination in the bottom of this upper bush, be to be equipped with a button hole at least on the barrel of this upper bush in addition, respectively detain the hook part of arm in it with this draw point portion of buckle accordingly, and the top central authorities of this lower sleeve axially are arranged with accommodation aperture downwards, in placing so that ccontaining this draw point portion is sliding, and the top section of this lower sleeve is to define to form to be provided with a snapping pipeline section, the inner wall of this snapping pipeline section is equipped with at least one buckle teeth, with this upper bush bottom outer rim of snapping the hook portion of establishing to evagination in it; This spring, it is often shored and is arranged on this between accommodation aperture and this draw point portion pedestal.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, the upper bush of wherein said protective sleeve, at a side opening edge of this button hole respectively, outside oblique extension is provided with an elastic pressuring plate, with from outer side pressure by behind this elastic pressuring plate respectively, compel to move back the hook part of the button arm end that is snapped in each button hole accordingly.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, wherein said protective sleeve is equipped with at least one button hole, these button hole two relative peritremes respectively, obliquely pivot is provided with a plectrum, and respectively the bottom of this plectrum forms a hook portion and is inserted in this protective sleeve, with hook often in the root edge of this draw point portion bottom pedestal, and respectively the top section of this plectrum is oblique being stretched on outside the protective sleeve, after the top section of outer side pressure by this plectrum respectively, the promptly outwards moving partially accordingly respectively bottom hook portion of this plectrum, and trip with the root edge of draw point portion bottom pedestal, so that stay on spring ground involution between this draw point portion and protective sleeve, and with this draw point portion automatically spring into protective sleeve on, in the following accommodation aperture.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, wherein said protective sleeve is equipped with at least one button hole, these button hole two relative peritremes respectively, obliquely pivot is provided with a resistance sheet, respectively the top of this resistance sheet is inserted in the protective sleeve, often to lean the root edge that places draw point portion bottom pedestal, and respectively the end section of this resistance sheet is oblique being stretched on outside the protective sleeve, make after the end section of outer side pressure by this resistance sheet respectively, the promptly outwards moving partially accordingly resistance sheet that respectively is somebody's turn to do, and trip with the root edge of this draw point portion bottom pedestal so that stay on springiness ground involution between this draw point portion and protective sleeve, and with this draw point portion automatically spring into this protective sleeve on, in the following accommodation aperture.
Aforesaid multipurpose high-safety needle staying on vein for automatic infusion, the vertical clamping tube of wherein said upper bush portion, be with most elasticity folder jaws, upwards be stretched on to axially-aligned the top end face of upper bush in the form of a ring, with firm double team Y-pipe joint second tip side in ground that coincide in nested rubber cap is placed in.
The present invention compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, multipurpose high-safety needle staying on vein for automatic infusion of the present invention, it comprises: a Y-pipe joint make its first, second tip side for axially aligning, and its 3rd tip side can be connected in series a medicinal liquid tube for transfusion; One keeps somewhere soft pin, is nested in first tip side of Y-pipe joint; An and draw point device, include a draw point portion and a protective sleeve, wherein the pedestal of this draw point portion bottom often flexibly sliding sleeve, be snapped in this protective sleeve, the top section of this protective sleeve is socketed on second tip side of this Y-pipe joint identically in addition, pedestal top projection one needle stand that makes this draw point portion is axially to set a draw point, make this draw point pass the top of this protective sleeve, and axial alignment be placed through this and keep somewhere among the soft pin, and be equipped with guide hole at this needle stand, outwards flow out smoothly with the guiding medicinal liquid.So make medical personnel when using, after can earlier the soft pin of this indwelling being thrust the patient together with this draw point, this draw point portion and this protective sleeve are triped, make this draw point portion automatically spring into, drop in this protective sleeve, and collected by this protective sleeve, be very beneficial for Treatment of Medical ' Waste.
In sum, multipurpose high-safety needle staying on vein for automatic infusion of the present invention, wherein the draw point portion bottom of draw point device is a sliding sleeve flexibly often, be snapped in the protective sleeve, so medical personnel are when using, only draw point portion and protective sleeve are triped, draw point portion is automatically sprung into rapidly, drop in protective sleeve, and collected by protective sleeve, help Treatment of Medical ' Waste, very convenient in the use, no matter it is structurally or bigger improvement all arranged on the function, and produced handy and practical effect, and have the effect of enhancement really, thus be suitable for practicality more, really be a novelty, 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 the generalized section of the present invention when using.
Fig. 4 is this draw point portion sketch map of moment of triping among Fig. 3.
Fig. 5 be Fig. 4 draw point portion fully bullet fall within sketch map in this protective sleeve.
Fig. 6 is the structural representation that unloads the draw point device among Fig. 5.
Fig. 7 is the structure cutaway view of second embodiment of the invention.
Fig. 8 is the structure cutaway view of third embodiment of the invention.。
Fig. 9 is the structure cutaway view of fourth embodiment of the invention.
Figure 10 is the structure cutaway view of fifth embodiment of the 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 comprises a Y-pipe joint 1, indwelling soft pin 2, a draw point device 3 and a tube for transfusion 4, wherein:
This Y-pipe joint 1, its first tip side 11, second tip side 12 be for axially aligning, and its 3rd tip side 13 can be connected in series and is provided with a medicinal liquid tube for transfusion 4;
This keeps somewhere soft pin 2, is nested on first tip side 11 of Y-pipe joint 1;
This draw point device 3, include a draw point portion 31 and a protective sleeve 32, wherein the bottom of this draw point portion 31 often flexibly sliding sleeve, be snapped in the protective sleeve 32, in addition the top section of this protective sleeve 32 is socketed on second tip side 12 of Y-pipe joint 1 identically, is placed through among the soft pin 2 of indwelling with making draw point 314 axial alignment that draw point portion 31 set;
So make medical personnel when using, after can earlier the soft pin 2 of indwelling being thrust the patient together with this draw point 314, draw point portion 31 and protective sleeve 32 are triped, this draw point portion 31 is automatically sprung into, drop in protective sleeve 32, and collected by protective sleeve 32, be beneficial to Treatment of Medical ' Waste.
Above-mentioned Y-pipe joint 1, can make by plastic material, it includes tube body 10, define at the epimere of this tube body 10 and to be formed with one first tip side 11, and define at the hypomere of this tube body 10 and to be formed with second tip side 12, and at the terminal nested rubber cap sleeve 121 that is provided with of this second tip side 12, this first tip side 11, second tip side 12 are axially aligned according to the central axial line 10a of tube body 10, and the outside projection in the stage casing that makes this tube body 10 is provided with one the 3rd tip side 13, to be connected in series a tube for transfusion 4.
The soft pin 2 of above-mentioned indwelling, it comprises: the soft pin of a needle stand 21, a portion 22 and a needle cover 23, wherein:
This needle stand 21 is concaved with a cover cave 211, on first tip side 11 that is nested in Y-pipe joint 1 identically in its bottom;
This soft pin portion 22 extends upward from the top of needle stand 21, and axially runs through an injection orifice 221;
This needle cover 23, its bottom upwards are concaved with a protective jacket cave 231, being nested in outside the needle stand 21, and contain this soft pin portion 22 in it.
See also Fig. 2 to draw point device 3 shown in Figure 6, above-mentioned, it comprises a draw point portion 31, a protective sleeve 32 and a spring 328, wherein:
This draw point portion 31, its bottom is defined to form and is provided with a pedestal 311, the axially upwards prominent needle stand 312 of establishing on this pedestal 311, and radially run through at this needle stand 312 and to be provided with at least one guide hole 312a, in addition the bottom of pedestal 311 outer rim connect stretch be provided with at least one button arm 313 (as Fig. 2 to shown in Figure 6 for being provided with most button arms 313, and as shown in Figure 7 for only having single button arm 313), make the end of respectively detaining arm 313 be equipped with a hook part 313a, make respectively this hook part 313a accordingly Elastic buckle in the button hole 325 of protective sleeve 32, and in it, make the center through hole 314a and the guide hole 312a mutual conduction of this draw point 314 at the nested draw point 314 that is provided with a hollow of the top of needle stand 312 section;
This protective sleeve 32, form by a upper bush 32a and the mutual socket buckle of a lower sleeve 32b, wherein, the top axis of centres of this upper bush 32a is to running through a perforation 321, pass in interior with the epimere of allowing draw point 314 and needle stand 312, and the projection that makes progress of the top of upper bush 32a is provided with a clamping tube portion 322, with borrow clamping tube portion 322 firmly double team in this Y-pipe joint second tip side 12 outside the nested rubber cap sleeve 121, and the bottom of upper bush 32a upwards is arranged with accommodation aperture 323 on, in bottom pedestal 311 sliding the placing with ccontaining draw point portion 31, and establish at least one hook portion 324 to evagination in the bottom of upper bush 32a outer rim, with snapping lower sleeve 32b, at least wear a button hole 325 on the barrel of upper bush 32a in addition, respectively detain the hook part 313a of arm with buckle draw point portion 31 accordingly, and the top of this lower sleeve 32b central authorities are for axially being arranged with accommodation aperture 326 downwards, in ccontaining draw point portion 31 sliding placing, and the top section of lower sleeve 32b is provided with a snapping pipeline section 327 for defining to form, the inner wall of this snapping pipeline section 327 is equipped with at least one buckle teeth 327 ', with snapping upper bush 32a bottom outer rim the hook portion 324 of establishing to evagination in interior, firmly to be buckled in the below of upper bush 32a;
This spring 328, often stay on 311 of accommodation aperture 323 and draw point portion pedestals, make the often downward elasticity pushing tow draw point portion 31 of this spring 328, when this draw point portion 31 trips with protective sleeve 32, spring 328 flexibly involution stretches, and draw point portion 31 downward thrusting slips are also fallen in the protective sleeve 32 fully.
The vertical clamping tube of this upper bush 32a portion 322 is with most elasticity folder jaws, upwards is stretched on to axially-aligned the top end face of upper bush 32a in the form of a ring, with coincide ground firmly double team Y-pipe joint second tip side 12 nested rubber cap sleeve 121 in it.
The needle stand 312 of above-mentioned draw point portion 31, when second tip side 12 that passes Y-pipe joint 1 nested rubber cap sleeve 121, and make when draw point 314 is sliding to place soft pin portion 22, making each guide hole 312a of needle stand 312 is the top that is positioned at rubber cap sleeve 121, to be communicated with the tube for transfusion 4 that Y-pipe joint 1 the 3rd tip side 13 is connected in series, make the medicinal liquid of its conveying follow the center through hole 314a of draw point 314 outwards to flow out from each guide hole 312a.
The present invention is when using, be three tip side 13 serial connections one tube for transfusion 4 of elder generation with Y-pipe joint 1, and take off and overlap the needle cover 23 that is overlying on outside the soft pin 2 of indwelling, as shown in Figure 3, the air that originally retained in this tube for transfusion 4 this moment, just the center through hole 314a that can be earlier scurries through this draw point 314 via each guide hole 312a of draw point portion 31 disengages to the external world, even also contained medicinal liquid (as a drop bottle) can successfully outwards flow out in this tube for transfusion 4, make in tube for transfusion 4 and the Y-pipe joint 1 and be full of medicinal liquid, avoid the air tube for transfusion 4 in being injected in the human body and the medical treatment accident taking place in when injection, because this moment, draw point portion 31 draw point 314 was to coincide the normal incidence cunning is placed the soft pin portion 22 of keeping somewhere soft pin 2, making this soft pin portion 22 have enough intensity can insert in the patient's vein smoothly, in addition since second tip side, 12 ends of Y-pipe joint 1 nested rubber cap sleeve 121, be needle stand 312 outer rims that flexibly are coated on draw point portion 31, 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; Then medical personnel can compress the button arm 313 of each draw point portion 31 as Fig. 4, shown in Figure 5, make respectively that the hook part 313a of these button arm 313 ends and the button hole 325 of protective sleeve 32 trip, and at this moment, spring 328 i.e. flexibly involution, with draw point portion 31 pushing tow downwards automatically.Make these draw point portion 31 landings on protective sleeve 32, following accommodation aperture 323, in 326, promptly draw in the lump and move back this draw point 314, draw point 314 is withdrawed from the soft pin portion 22 fully, when this draw point 314 withdraws from rubber cap sleeve 121 fully as Fig. 5, when shown in Figure 6, the hole that this rubber cap sleeve 121 was promptly flexibly originally pierced through by needle stand 312 and draw point 314 from movable sealing again, and second tip side 12 that reseals Y-pipe joint 1 exports, and draw point portion 31 is hidden in the protective sleeve 32 fully, so, medical personnel just can directly unload this protective sleeve 32, promptly unload the draw point 314 that is placed in the draw point portion in the protective sleeve 32 in the lump, make this draw point 314 can be with protective sleeve 32 discard processing in the lump; As shown in Figure 6, after the draw point 314 of draw point portion 31 withdrawed from soft pin portion 22 fully, the medicinal liquid from the 3rd tip side 13 of Y-pipe joint 1 enters promptly automatically injected in patient's bodies through keeping somewhere soft pin 2 from first tip side 11.If the patient is when needing later on to inject other medicinal liquid, just can insert general syringe cylinder by the rubber cap sleeve 121 of second tip side, 12 ends, inject and get final product.
Disclosed tube for transfusion 4 can be the infusion throttle pipe, to form one group of dropping syringe; The form of certain tube for transfusion of the present invention 4, kind, the present invention will not limit.
See also shown in Figure 8, disclosed protective sleeve 32, be to modify ground each button hole 325 1 side opening edge at upper bush 32a, outside oblique extension is provided with an elastic pressuring plate 329, for medical personnel from outer side pressure by behind this each elastic pressuring plate 329, it respectively detains the hook part 313a of arm promptly to compel to move back the draw point portion that is snapped in each button hole 325 31 accordingly, draw point portion 31 and protective sleeve 32 are triped, borrowing the flexibly involution of spring 328 stay on 32 of draw point portion 31 and protective sleeves, and draw point portion 31 is automatically sprung in protective sleeve 32.
See also shown in Figure 9, disclosed protective sleeve 32, be to modify ground 325 liang of relative peritremes of each button hole at upper bush 32a, obliquely pivot is provided with a plectrum 329a, make the bottom of each plectrum 329a form a hook part 329a ', and be inserted in the protective sleeve 32, with hook often in the root edge (the present invention is in this embodiment, and the arm of respectively detaining of this draw point portion is exempted to establish) of draw point portion 31A bottom pedestal 311.And respectively the top section of this plectrum 329a is oblique being stretched on outside the protective sleeve 32, make after the top section of outer side pressure by each plectrum 329a, can outwards move the respectively 329a ' of bottom ditch portion of this plectrum 329a accordingly partially, and trip with the root edge of draw point portion 31A bottom pedestal 311, so that stay on the flexibly involution of spring 328 of 32 of the 31A of draw point portion and protective sleeves, and the 31A of draw point portion is automatically sprung in the upper and lower accommodation aperture 323,326 of protective sleeve 32.
See also shown in Figure 10, disclosed protective sleeve 32, be to modify ground 325 liang of relative peritremes of each button hole at upper bush 32a, obliquely pivot is provided with a resistance sheet 329b, making respectively, the top of this resistance sheet 329b is inserted in the protective sleeve 32, often to lean the root edge (the present invention is exempted to establish at the arm of respectively detaining of this draw point portion of this embodiment) that places draw point portion 31A bottom pedestal 311, and the end section that respectively hinders sheet 329b is oblique being stretched on outside the protective sleeve 32, make after the end section of outer side pressure by each resistance sheet 329b, can outwards movingly partially accordingly respectively hinder sheet 329b, and trip with the root edge of draw point portion 31A bottom pedestal 311, so that stay on the flexibly involution of spring 328 of 32 of the 31A of draw point portion and protective sleeves, and with the 31A of draw point portion automatically spring into protective sleeve 32 on, following accommodation aperture 323, in 326.
Multipurpose high-safety needle staying on vein for automatic infusion of the present invention, wherein draw point portion 31 bottoms of draw point device be often flexibly sliding sleeve, be snapped in the protective sleeve 32, so medical personnel are when using, only draw point portion and protective sleeve are triped, can make draw point portion 31 automatically spring into rapidly, drop in protective sleeve 32, and collected by protective sleeve 32, help Treatment of Medical ' Waste, very convenient in the use.
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 (6)
1, a kind of multipurpose high-safety needle staying on vein for automatic infusion, it comprises a Y-pipe joint, indwelling soft pin, a draw point device and a tube for transfusion, it is characterized in that wherein:
Above-mentioned Y-pipe joint, include tube body, epimere at the tube body of this hollow defines first tip side that is formed with hollow, and the hypomere at this tube body defines second tip side that formation is provided with hollow, first tip side, second tip side are axial alignment, and be provided with a rubber cap sleeve at the terminal nested of this second tip side, and between first tip side of this tube body and second tip side outwards projection be provided with one the 3rd tip side, to be connected in series a tube for transfusion;
The soft pin of above-mentioned indwelling includes a needle stand, and this needle stand bottom is concaved with a cover cave, and on first tip side that is nested in the Y-pipe joint, and the top of this needle stand upwards is provided with a soft pin portion;
Above-mentioned draw point device, it includes a draw point portion and a protective sleeve, this draw point portion wherein, the pedestal of its bottom is sliding sleeve often, be snapped in this protective sleeve epimere, and between this draw point portion and this protective sleeve, flexibly shore and be provided with a spring, with downward this draw point portion of pushing tow often, this protective sleeve in addition, its top section is socketed on second tip side of this Y-pipe joint identically, the pedestal top projection of this draw point portion is provided with a needle stand axially to set a draw point, this draw point passes the top of this protective sleeve, and axial alignment be placed through this and keep somewhere among the soft pin, and be equipped with guide hole at this needle stand, flow out smoothly outwards with the guiding medicinal liquid, when operatively triping with protective sleeve in this draw point portion, this draw point portion is by means of the spring involution that stays between this draw point portion and protective sleeve, automatically spring into, drop in this protective sleeve, and collected by this protective sleeve.
2, multipurpose high-safety needle staying on vein for automatic infusion according to claim 1 is characterized in that wherein said draw point device comprises a draw point portion, a protective sleeve and a spring, wherein:
This draw point portion, its bottom is defined to form and is provided with a pedestal, on this pedestal, axially upwards be equipped with a needle stand, and radially run through at this needle stand and to be provided with at least one guide hole, connect to stretch in the bottom of this pedestal outer rim in addition and be provided with at least one button arm, respectively the end of this button arm is equipped with a hook part, and at the nested draw point that is provided with a hollow of the top of this needle stand section in it, the center through hole of this draw point and this guide hole mutual conduction;
This protective sleeve, form by a upper bush and the mutual socket buckle of a lower sleeve, the top central authorities of this upper bush are provided with a perforation for axially running through, and upwards projection is provided with a clamping tube portion, with this clamping tube portion firmly double team in this Y-pipe joint second tip side outside the nested cap sleeve, and the bottom of this upper bush is for upwards being concaved with accommodation aperture on, bottom pedestal cunning with ccontaining draw point portion places in it, and outer rim is established at least one hook portion to evagination in the bottom of this upper bush, be to be equipped with a button hole at least on the barrel of this upper bush in addition, respectively detain the hook part of arm in it with this draw point portion of buckle accordingly, and the top central authorities of this lower sleeve axially are arranged with accommodation aperture downwards, in placing so that ccontaining this draw point portion is sliding, and the top section of this lower sleeve is to define to form to be provided with a snapping pipeline section, the inner wall of this snapping pipeline section is equipped with at least one buckle teeth, with this upper bush bottom outer rim of snapping the hook portion of establishing to evagination in it;
This spring, it is often shored and is arranged on this between accommodation aperture and this draw point portion pedestal.
3, multipurpose high-safety needle staying on vein for automatic infusion according to claim 2, the upper bush that it is characterized in that wherein said protective sleeve, at a side opening edge of this button hole respectively, outside oblique extension is provided with an elastic pressuring plate, with from outer side pressure by behind this elastic pressuring plate respectively, compel to move back the hook part of the button arm end that is snapped in each button hole accordingly.
4, multipurpose high-safety needle staying on vein for automatic infusion according to claim 1, it is characterized in that wherein said protective sleeve is equipped with at least one button hole, these button hole two relative peritremes respectively, obliquely pivot is provided with a plectrum, and respectively the bottom of this plectrum forms a hook portion and is inserted in the protective sleeve, with hook often in the root edge of draw point portion bottom pedestal, and respectively the top section of this plectrum is oblique being stretched on outside the protective sleeve, after the top section of outer side pressure by this plectrum respectively, the promptly outwards moving partially accordingly respectively bottom hook portion of this plectrum, and trip with the root edge of draw point portion bottom pedestal, so that stay on spring ground involution between this draw point portion and protective sleeve, and with this draw point portion automatically spring into protective sleeve on, in the following accommodation aperture.
5, multipurpose high-safety needle staying on vein for automatic infusion according to claim 1, it is characterized in that wherein said protective sleeve is equipped with at least one button hole, these button hole two relative peritremes respectively, obliquely pivot is provided with a resistance sheet, respectively the top of this resistance sheet is inserted in the protective sleeve, often to lean the root edge that places draw point portion bottom pedestal, and respectively the end section of this resistance sheet is oblique being stretched on outside the protective sleeve, make after the end section of outer side pressure by this resistance sheet respectively, the promptly outwards moving partially accordingly resistance sheet that respectively is somebody's turn to do, and trip with the root edge of this draw point portion bottom pedestal, so that stay on springiness ground involution between this draw point portion and protective sleeve, and with this draw point portion automatically spring into this protective sleeve on, in the following accommodation aperture.
6, multipurpose high-safety needle staying on vein for automatic infusion according to claim 2, it is characterized in that the vertical clamping tube of wherein said upper bush portion, be with most elasticity folder jaws, upwards be stretched on to axially-aligned the top end face of upper bush in the form of a ring, with firm double team Y-pipe joint second tip side in ground that coincide in nested rubber cap is placed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991091841A CN1153592C (en) | 1999-06-22 | 1999-06-22 | Multi-purpose, safety and full automatic type long term retainable needle for intravenous transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991091841A CN1153592C (en) | 1999-06-22 | 1999-06-22 | Multi-purpose, safety and full automatic type long term retainable needle for intravenous transfusion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1277874A true CN1277874A (en) | 2000-12-27 |
| CN1153592C CN1153592C (en) | 2004-06-16 |
Family
ID=5273740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991091841A Expired - Fee Related CN1153592C (en) | 1999-06-22 | 1999-06-22 | Multi-purpose, safety and full automatic type long term retainable needle for intravenous transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1153592C (en) |
Cited By (7)
| 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 |
| CN102000370A (en) * | 2010-09-08 | 2011-04-06 | 陈永曦 | Retention needle tube assembly |
| CN102078644A (en) * | 2011-03-08 | 2011-06-01 | 吉林大学 | Simple, convenient and efficient device and method for extracting platelet-rich plasma |
| CN103301528A (en) * | 2013-06-18 | 2013-09-18 | 浙江康德莱医疗器械股份有限公司 | Safe intravenous infusion indwelling needle component |
| CN103349801A (en) * | 2013-07-31 | 2013-10-16 | 西安交通大学医学院第一附属医院 | Peritoneal dialysis pipe positioning, resetting and conducting device based on magnetic field guide |
| WO2016206624A1 (en) * | 2015-06-25 | 2016-12-29 | 千禧光医疗有限公司 | Safety mechanism for remaining needle and remaining needle with same |
| US11213632B2 (en) | 2017-03-24 | 2022-01-04 | Sol-Millennium Medical Hk Limited | Safety syringe and safety mechanism for use in the same |
-
1999
- 1999-06-22 CN CNB991091841A patent/CN1153592C/en not_active Expired - Fee Related
Cited By (11)
| 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 |
| CN102000370A (en) * | 2010-09-08 | 2011-04-06 | 陈永曦 | Retention needle tube assembly |
| CN102000370B (en) * | 2010-09-08 | 2013-03-13 | 福建省百仕韦医用高分子股份有限公司 | Retention needle tube assembly |
| CN102078644A (en) * | 2011-03-08 | 2011-06-01 | 吉林大学 | Simple, convenient and efficient device and method for extracting platelet-rich plasma |
| CN103301528A (en) * | 2013-06-18 | 2013-09-18 | 浙江康德莱医疗器械股份有限公司 | Safe intravenous infusion indwelling needle component |
| WO2014201709A1 (en) * | 2013-06-18 | 2014-12-24 | 浙江康德莱医疗器械股份有限公司 | Safe, intravenous infusion indwelling needle component |
| CN103349801A (en) * | 2013-07-31 | 2013-10-16 | 西安交通大学医学院第一附属医院 | Peritoneal dialysis pipe positioning, resetting and conducting device based on magnetic field guide |
| CN103349801B (en) * | 2013-07-31 | 2016-01-06 | 西安交通大学医学院第一附属医院 | The peritoneal dialysis catheter location of introduction by magnetic field, reset, pipe device |
| WO2016206624A1 (en) * | 2015-06-25 | 2016-12-29 | 千禧光医疗有限公司 | Safety mechanism for remaining needle and remaining needle with same |
| US10773018B2 (en) | 2015-06-25 | 2020-09-15 | Sol-Millennium Medical Hk Limited | Safety mechanism for a retaining needle and a retaining needle having the safety mechanism |
| US11213632B2 (en) | 2017-03-24 | 2022-01-04 | Sol-Millennium Medical Hk Limited | Safety syringe and safety mechanism for use in the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1153592C (en) | 2004-06-16 |
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Granted publication date: 20040616 Termination date: 20110622 |