CN1220533C

CN1220533C - Alarm against reversion of infusion

Info

Publication number: CN1220533C
Application number: CN 02105064
Authority: CN
Inventors: 黄海树
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-02-19
Filing date: 2002-02-19
Publication date: 2005-09-28
Anticipated expiration: 2022-02-19
Also published as: CN1439434A

Abstract

The present invention relates to a warning device against the reversion of infusion. An upper cover and a lower base are mainly combined to form a holding space, the top, the bottom and the side of the holding space are respectively provided with a main liquid inlet and outlet branch pipe and a liquid outlet pipe, and a ring flange is arranged at the connection position between the liquid outlet pipe and the holding space. The peripheral of the ring flange is provided with concave parts, the ring flange is sheathed with a conic valve with a through hole in center, a buoy with a convex plug part at bottom is arranged in the holding space formed by the combination of the upper cover and the lower base, and the middle section of the buoy is provided with a magnetic substance. The edge of the upper cover can be provided with the warning device, and a magnetic reed switch is arranged in the warning device. When the buoy descends along with the liquid level in the holding space, the magnetic substance arranged at the middle section of the buoy approaches to the magnetic reed switch of the warning device, the magnetic force of the buoy can trigger and conduct a buzzer to send out a warning sound, or a warning message is communicated with an earphone of a nurse through an earphone jack, or the message is transmitted to a nursing station by radio. Because the buoy descends along with the liquid level in the holding space, the convex plug part is abutted on the central hole of the conic valve and can seal the liquid outlet pipe when the infusion is terminated, or the warning device can be repeatedly used when nursing personnel comes forward to reload an infusion bottle.

Description

The alarm against reversion of infusion device

Technical field

The invention relates to the alarm against reversion of infusion device, be meant a kind ofly after the infusion water clock finishes especially, can seal the water clock pipe automatically, avoid air admission and start alarming device simultaneously, pointing out relevant nurse personnel to do relative processing, and reusable infusion set.

Background technology

In the medical procedure in modern times, the utilization of drop (transfusion) drug injection suitable extensively with general, yet at the end in fluid infusion, hydraulic pressure in the syringe can reduce suddenly because of a dropping liquid is exhausted gradually, then cause blood not enough in injection needle adverse current blood back because of hydraulic pressure, what is more, after a dropping liquid is used up fully, air in the syringe might flow in the blood vessel of sufferer, causes puzzlement, inconvenience even dangerous patient safety in the medical care; So carry out in the process in drop (transfusion) injection, often need to nurse in the mode of artificial visual, monitor to examine and know whether a dropping liquid (transfusion) injects end of a period, to avoid the generation of said circumstances, so, no matter be nurse personnel or the quilt sufferer of notes itself of looking after sufferer, in the very long process of fluid infusion, all need to notice at any time whether the medicament of injection is exhausted, and cause suitable nurse pressure with inconvenient.

Therefore, except controlling with the special electronic instrument of costliness the time and flow of fluid infusion, other has many more relevant control technologys to be disclosed, for example: Fig. 1,2, shown in 3, it is first case (the Taiwan patent gazette the is announced No. 381494) structural map of prior art, it mainly includes: a main body 2 of being made up of the first half housings 20 and the second half housings 21, its top is provided with the room 200 that extends up and down, room 200 sides then are provided with the through hole 203 that is communicated with this room 200 and main body 2 one sides, and be provided with L shaped sleeve pipe 30 and flexible pipe 31 in room 200 and through hole 203 junctions, be equiped with buzzer 22 in side in addition, two leads of this buzzer 22 are attached on two indirection point of sleeve pipe 30 bottom surfaces; One needle for inserting bottle 3, be to insert admittedly in described sleeve pipe 30 with the bottom, and front end then is interspersed in the drop bottle, and the liquid outlet 36 of its nearly bottom is over against the flexible pipe 31 of sleeve pipe 30 side ports, make the flexible pipe 31 of this side ports be connected tube for transfusion 32, the tube wall of this needle for inserting bottle 3 is provided with the inlet 33 that is interlinked to the outside in addition vertically; One magnetic induction combination 4, include be installed with needle for inserting bottle 3 inner and can be with a buoyancy aid 34 of liquid surface lifting, be fixed in first Magnetitum 40 of buoyancy aid 34 bottoms and be installed with in the room 200 and can move up and down second Magnetitum 411,412 of movable block 410 upper and lowers, when buoyancy aid 34 is reduced to the appropriate location with liquid level, first Magnetitum 40 will attract second Magnetitum 411 to rise and sleeve pipe 30 bottom surfaces that recline, and impels two point to start buzzer 32 automatically by the electric conductivity connection circuit of this second Magnetitum 411 and sends caution sound sound; Yet, see all said structures, its not only whole structure of forming and very meticulous, complicated, the high cost of action, make product be difficult for having competitiveness, and tiny buoyancy aid 34, Magnetitum 40,411,412, also easily because of buoyancy, the magnetic force deficiency, and cause the untrue situation of action, and this structure back secondary of can't sterilizing uses, and a disposability increases the increase of cost on foot.

Other has structure as shown in Figure 4, the structure that is prior art second case (the Taiwan patent is checked and approved No. the 394026th, bulletin) partly cuts open figure, it mainly comprises: a plug socket 20, one transfusion body 30 and a pair of closed ball 40, wherein plug socket 20 centers are provided with a tip shape hollow inserting column 21, transfusion body 30 lower ends are provided with one can supply noose winding injection catheter 60 than path noose section 31, and plug socket 20 nooses can be adhered to transfusion body 30 upper end open, it is characterized in that: transfusion body 30 inner hypomeres are provided with a convergent conial channel 32 and connect one than path passage 33, the hypomere of this convergent conial channel 32 is provided with a circular arc resisting groove 321, the suitable buoyancy of closed ball 40 tools, and be placed in the transfusion body 30, liquid in a drop bottle drips off, and when the liquid in the transfusion body 30 are reduced to suitable capacity, by take advantage of a situation landing and support the circular arc resisting groove 321 of the convergent conial channel 32 be affixed on transfusion body 30 of closed ball 40, automatically form closed and block the residual liquid top of air around closed ball 40, enter in the blood of human body through injection catheter 60 to avoid air; Yet, because the influence of machining accuracy and structural objective condition, when in fact using, this closed ball 40 and can't complete closed transfusion body 30 in circular arc resisting groove 321, and can gappedly produce in the two, cause and still have doubt in the air admission human body.

Still have above-mentioned shortcoming about aforementioned existing transfusion injection device, the creator is at the road of those shortcoming research improvement, and generation of the present invention is arranged finally.

Summary of the invention

The present invention aims to provide a kind of alarm against reversion of infusion device, reach sealing drain pipe when transfusion stops, prevent the air admission human body, and send the caution sound, can establish tool radio transmitting apparatus or earphone jack in addition, link the nursing station in many ways or increase the caregiver and receive the alerting that reaches before the transfusion water clock finishes.

Be a kind of transfusion backstop of the present invention alarming device, it is characterized in that comprising at least: cover portion on, bottom side tool one opening, its top side extends upward two parallel primary branch, secondary arms, on this primary branch and be provided with a needle for inserting bottle; One lower base, top side tool opening can overlap a synthetic accommodation space with the aforementioned cover portion of going up, and the lower base bottom side is also extended a drain pipe downwards, convexedly stretches in the lower base above this drain pipe and with a ring flange, and this ring flange periphery also is provided with a recess; One floating drum is the hollow cylinder of being located in the aforementioned accommodation space of going up between cover portion, lower base, and its top side extends in the secondary arm with a mark post, and the floating drum bottom side then is provided with the medium pore of a protruding piston part corresponding to taper valve, and the shrinkage pool of lower base top; One taper valve is the soft body that an oblique cone extends, and it is provided with a medium pore in central authorities, and this medium pore periphery and bending form the annular groove of an opening to the vertex of a cone, can be sleeved on the ring flange of lower base; Descend with liquid level in the accommodation space by this floating drum, and protruding piston part that can the floating drum bottom side is inserted in the medium pore of taper valve, slows down the action that drop seals even to form one.

The present invention is further characterized in that cover portion side is in addition in conjunction with an alarming device on this, be embedded with a magnetic reed switch that is connected in buzzer in this alarming device, floating drum then is provided with a magnetic in this mark post stage casing, utilize this floating drum to descend with liquid level, make its magnet touch magnetic reed switch, make magnetic reed switch conducting buzzer and can send the caution sound through magnetic reed switch side; The upper end of alarming device is provided with two upper clip arms, is provided with a recess in this upper clip arm, but clamping is in the primary branch of last cover portion; The bottom side of alarming device is provided with two lower clip arms, and correspondence is provided with clip slot between this two lower clip arm, and goes up other and horizontal expansion one inserted sheet in cover portion bottom side, utilizes this inserted sheet to extend transversely into this clip slot, can form a location; The appropriate location of aforementioned alarming device can be installed or can not radiofication discharger; The appropriate location of aforementioned alarming device can be established the tool earphone jack; The mark post transverse section of aforementioned floating drum is to be round shape; The mark post transverse section of aforementioned floating drum is to be ellipticity; Aforementioned floating drum makes the magnetic of establishing in the stage casing can keep a fixed directivity when lifting is floated in the caution space, departs from so that the magnetic reed switch of corresponding alarming device is unexpected.

As for detailed construction of the present invention, application principle, effect and effect then can be understood completely with reference to the explanation that following adjoint is done.

Description of drawings

Fig. 1 is the STRUCTURE DECOMPOSITION figure of prior art first case.

Fig. 2 is the drop state profile () according to Fig. 1 structure.

Fig. 3 is the drop state profile (two) according to Fig. 1 structure.

Fig. 4 is the section of structure of prior art second case.

Fig. 5 is a combination appearance figure of the present invention.

Fig. 6 is a section construction exploded view of the present invention.

Fig. 7 is a detail structure exploded view of the present invention.

Fig. 8 is a planar configuration sketch map of the present invention.

Fig. 9 A prolongs among Fig. 7 of the present invention shown in the A-A tangent line, the generalized section at taper valve and shrinkage pool position.

Fig. 9 B is the action diagram () of floating drum of the present invention and taper valve.

Fig. 9 C is the action diagram (two) of floating drum of the present invention and taper valve.

Fig. 9 D is the action diagram (three) of floating drum of the present invention and taper valve.

Fig. 9 E is the action diagram that floating drum rose when drain pipe was squeezed among the present invention.

The specific embodiment

As shown in Figures 1 to 4, it is the structure of prior art transfusion injection device, its constitute with and disappearance, as previously mentioned, repeated description no longer herein.

Fig. 5 to Fig. 9 is each cage structure sketch map of the present invention, can find out clearly that by each figure the present invention mainly comprises: go up parts such as cover portion 1, lower base 2, floating drum 3, taper valve 4 and alarming device 5; Wherein should go up cover portion 1 be the ostiolate valve jacket in a bottom side, and in bottom side openings side horizontal expansion one inserted sheet 11, last cover portion 1 top side also extends upward two parallel primary branches 12, and secondary arm 13 is on this primary branch 12 and be provided with a needle for inserting bottle 121; Lower base 2 is the ostiolate valve jackets in a top side, and a drain pipe 23 is extended downwards in its bottom side, and this drain pipe 23 also convexedly stretches in the lower base 2 with a ring flange 22, and these ring flange 22 peripheries also are provided with a recess 21; Floating drum 3 is hollow cylinders, its upper and lower mark post 32 that extends respectively, and protruding piston part 31 is in these mark post 32 stage casings and be provided with a magnetic 33; Taper valve 4 is to be the soft body (can be the silica gel material, its structure is please joined shown in Fig. 9 A in addition) that oblique cone extends, and is provided with a medium pore 41 in central authorities, 42 of the annular grooves of these medium pore 41 peripheries and bottom side, and bending forms the arc edge 421 of an opening to the vertex of a cone; The upper and lower end of alarming device 5 extends two jig arm 51, lower clip arm 52 to homonymy, be provided with a recess 511 in this upper clip arm 51, in these recess 511 sides and be embedded with a magnetic reed switch 53 that is connected in buzzer 54, lower clip arm 52 then is arranged with clip slot 521 in recess two sides, and appropriate location can be established tool (or not establishing) by radio transmitting apparatus 55 and/or earphone jack 56.

During assembling, please join Fig. 5 to shown in Figure 8, to go up cover portion 1, lower base 2 relative fits, and form an accommodation space, floating drum 3 then can place in this accommodation space, and be sheathed in the secondary arm 13 with mark post 32, the drain pipe 23 of lower base 2 is then inserted in the protruding piston part 31 of floating drum 3, and then, the inserted sheet 11 of above cover portion 1 embeds clip slots 521, make lower clip arm 52, upper clip arm 51 be held on inserted sheet 11, primary branch 12 peripheries of cover portion 1 respectively, cover portion 1 on this, lower base 2 are combined with alarming device 5; When using, with needle for inserting bottle 121 insertion point drop bottles, make the liquid in the drop bottle flow into the cover portion 1 of going up through primary branch 12, in the accommodation space that lower base is 2,3 on floating drum rises with liquid level and floats, and when a drop bottle water clock finishes, liquid promptly stops to be replenished by primary branch 12, along with the medium pore 41 of liquid by taper valve 4, flow out gradually through drain pipe 23, make the decline (joining in addition shown in Fig. 9 B to Fig. 9 C) gradually thereupon of the floating drum 3 on the liquid level in the accommodation space, and the magnetic 33 on the floating drum 3 also descends through magnetic reed switch 53 sides (with ginseng Fig. 8), make magnetic reed switch 53 passage buzzers 54 send the caution sound, remind the nurse personnel to change a drop bottle; When last cover portion 1, liquid is lower than one suitably (please join Fig. 9 C Fig. 9 D) during height in the accommodation space that lower base is 2, its buoyancy deficiency is so that floating drum 3 rises floats, though this moment, filled on the medium pore 41 of taper valve 4 the protruding piston part 31 of floating drum 3, and the inner fovea part 310 of 31 upper ends, protruding piston part, the arc edge 421 of also being close to taper valve 4 medium pores 41, but allow still between protruding piston part 31 and medium pore 41 walls that the liquid that is close to the sealing but denier is arranged flows into, so not only can prolong the time of liquid outflow drain pipe 23 in the accommodation space, and can keep drain pipe 23 to keep still having transfusion in the long period to drop pipeline between human body, and make that to insert in the intravital syringe needle of people moistening slightly, and unexpected syringe needle solidifies obstruction because of the platelet in the blood, avoid because of the too dry situation that produces blood coagulation, and along with liquid level position is more and more low, these protruding piston part 31 plugs close on medium pore 41 also more and more tight, till absorption is nearly vacuum seal fully.

Please join shown in Figure 7 again, wherein mark post 32 transverse section of floating drum 3 are to be round shape or ellipticity, so, and when floating drum when lifting is floated in accommodation space, make the magnetic of establishing in its stage casing 33 can keep a fixed directivity, with corresponding alarming device 53 unexpected departing from of 5 magnetic reed switch.

Join again shown in Fig. 9 E, drain pipe 23 when lower base 2, when the transfusion water clock extremely needs to change the some drop bottle, because of the protruding piston part 31 of floating drum 3 is that medium pore 41 with taper valve 4 is the sealing of vac sorb shape, this floating drum 3 action of also can't floating automatically behind the new some drop bottle if peg graft, therefore, in the time of can extruding drain pipe 23 by hand the back pressure impulse force of transfusion make floating drum 3 be squeezed pushing to floating, the device that formation can be moved once more.

From the above mentioned as can be known, alarm against reversion of infusion device of the present invention has the effect of infuse non-return and timely caution really, really had usability, novelty and progressive on the industry, only, the above, only being a preferred embodiment of the present invention, is not to be used for limiting scope of the invention process.Be that all equalizations of being done according to the present patent application claim change and modification, be all the contained lid of claim of the present invention.

Claims

1, a kind of alarm against reversion of infusion device is characterized in that comprising at least:

Cover portion on one, bottom side tool one opening, its top side extends upward two parallel primary branch, secondary arms, on this primary branch and be provided with a needle for inserting bottle;

One lower base, top side tool opening can overlap a synthetic accommodation space with the aforementioned cover portion of going up, and the lower base bottom side is also extended a drain pipe downwards, convexedly stretches in the lower base above this drain pipe and with a ring flange, and this ring flange periphery also is provided with a recess;

One floating drum is the hollow cylinder of being located in the aforementioned accommodation space of going up between cover portion, lower base, and its top side extends in the secondary arm with a mark post, and the floating drum bottom side then is provided with the medium pore of a protruding piston part corresponding to taper valve, and the shrinkage pool of lower base top;

One taper valve is the soft body that an oblique cone extends, and it is provided with a medium pore in central authorities, and this medium pore periphery and bending form the annular groove of an opening to the vertex of a cone, can be sleeved on the ring flange of lower base.

One alarming device, be embedded with a magnetic reed switch that is connected in buzzer in the described alarming device, floating drum then is provided with a magnetic in this mark post stage casing, utilize this floating drum to descend with liquid level, make its magnet touch magnetic reed switch, make magnetic reed switch conducting buzzer and can send the caution sound through magnetic reed switch side.

2, alarm against reversion of infusion device according to claim 1 is characterized in that the upper end of alarming device is provided with two upper clip arms, is provided with a recess in this upper clip arm, but clamping is in the primary branch of last cover portion.

3, alarm against reversion of infusion device as claimed in claim 1, the bottom side that it is characterized in that alarming device is provided with two lower clip arms, and correspondence is provided with clip slot between this two lower clip arm, and goes up other and horizontal expansion one inserted sheet in cover portion bottom side, utilize this inserted sheet to extend transversely into this clip slot, can form a location.

4, alarm against reversion of infusion device as claimed in claim 1 is characterized in that aforementioned alarming device can establish the tool radio transmitting apparatus.

5, alarm against reversion of infusion device as claimed in claim 1 is characterized in that aforementioned alarming device can not radiofication discharger.

6, alarm against reversion of infusion device as claimed in claim 1 is characterized in that aforementioned alarming device can establish the tool earphone jack.

7, alarm against reversion of infusion device as claimed in claim 1, the mark post transverse section that it is characterized in that aforementioned floating drum is to be round shape.

8, alarm against reversion of infusion device as claimed in claim 1 is characterized in that the mark post transverse section of aforementioned floating drum is to be ellipticity.

9, as claim 1 or 7 or 8 described alarm against reversion of infusion devices, when it is characterized in that aforementioned floating drum lifting being floated in the caution space, make the magnetic of establishing in the stage casing can keep a fixed directivity, depart from so that the magnetic reed switch of corresponding alarming device is unexpected.