CN2436166Y - Disposable self-controlled electronic liquid tranfusion pump - Google Patents
Disposable self-controlled electronic liquid tranfusion pump Download PDFInfo
- Publication number
- CN2436166Y CN2436166Y CN 00218731 CN00218731U CN2436166Y CN 2436166 Y CN2436166 Y CN 2436166Y CN 00218731 CN00218731 CN 00218731 CN 00218731 U CN00218731 U CN 00218731U CN 2436166 Y CN2436166 Y CN 2436166Y
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- valve
- diaphragm
- inner chamber
- rotating shaft
- pump
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- Expired - Fee Related
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Abstract
The utility model relates to a disposable self-controlled electronic liquid injecting pump, which is an apparatus for continuously injecting physic liquor, particularly injecting trace amount of physic liquor. The disposable self-controlled electronic liquid injecting pump comprises a pump body 1, a liquor inlet valve 4, a liquor outlet valve 3, a quantitative diaphragm 12, an annular permanent magnet 11, a rotary shaft 9 and an electromagnet 7, wherein, both pole shoes 6 of the electromagnet 7 are buckled outside the pump body 1, and the pole shoes 6 are opposite to the magnet poles of the permanent magnet 11; the liquor inlet valve 4 and the liquor outlet valve 3 are both a needle valve. DC current pulse output by an electronic control device makes the electromagnet control the permanent magnet to rotate backwards and forwards for open or close the liquor inlet valve 4 and the liquor outlet valve 3 by turns to control the physic liquor to flow out slowly, and the transfusion operation can be completed.
Description
This utility model relates to a kind of medicinal liquid to be continued to inject, and particularly trace injects the apparatus of usefulness, a kind of disposable automatic control electronics topping-up pump.
It is the therapeutic device that surgical patient operation back pain relieving, cancer patient pain relieving are used that the trace that lasting pain relieving is used continues infusion appliance.Chinese patent 93208989.5 has been introduced a kind of structure of improved lasting infusion appliance, is made up of compression pump, filter, reducer, entry needle etc.The reducer of control medicinal liquid flow adopts elongated pipe to form, when internal diameter is 0.24mm, and the about 1m of length, length was about 20mm when internal diameter was tens microns.
The purpose of this utility model is the transfusion pump structure that proposes a kind of Electronic Control medicinal liquid flow, a kind of disposable automatic control electronics topping-up pump.
This disposable automatic control electronics topping-up pump, comprise the pump housing, inlet, liquid outlet, the feed liquor valve, liquid valve, with quantitative diaphragm, inner chamber is arranged on the pump housing, inlet and liquid outlet are on the relative two side, the middle part of inner chamber, the feed liquor valve is in the inlet, liquid valve is in the liquid outlet, it also comprises the permanent magnet of annular, rotating shaft and electric magnet, permanent magnet is enclosed within on the first half of rotating shaft, and fix with rotating shaft, permanent magnet and rotating shaft are in the front portion in the inner chamber, permanent magnet and rotating shaft can be that axle rotates with the rotating shaft, the magnetic direction of permanent magnet and rotating shaft axially perpendicular, two pole shoes of electric magnet are buckled in the outside of the pump housing, and it is relative with the magnetic pole of the intravital permanent magnet of pump, one projection is arranged on the side at rotating shaft rear portion, described feed liquor valve and liquid valve are all needle valve, the spool that comprises aciculiform, valve opening, and spring, spool passes valve opening, the end of spool has a gradually thick tapered tail, this afterbody is pressed to valve opening by spring, the sealing that matches with the limit, hole of valve opening of the taper seat of tapered tail, the head of the head of the spool of feed liquor valve and the spool of liquid valve is in the both sides of the projection in the described rotating shaft, quantitatively diaphragm is in the rear portion of inner chamber, quantitative diaphragm-operated edge seals mutually with the sidewall of inner chamber, quantitative diaphragm-operated front is relative with the front end of rotating shaft, and its back is relative with the bottom surface of inner chamber, quantitatively forms a quantitative chamber between diaphragm and bottom surface, between quantitative diaphragm-operated center and the bottom surface spring is arranged, there is a hole that communicates with the external world at the center of inner chamber bottom surface.
When this disposable automatic control electronics topping-up pump uses, its magnet spool links to each other with the outfan of the electronic-controlled installation of the dc pulse current that can export certain width, its inlet links to each other with the liquid feed device of the medicinal liquid of supplying with certain pressure, for example link to each other with rubber bile duct formula compression pump, its liquid outlet then links to each other with entry needle.When the electronic-controlled installation no-output, permanent magnet is subjected to the attraction of electric magnet bipolar shoe, makes the projection in the rotating shaft be in the position that contacts, makes liquid valve to open with the spool of liquid valve, and this can adjust when assembling in advance.The feed liquor valve then is in the position of cutting out.When DC pulse of electronic-controlled installation output, the bipolar shoe of electric magnet is magnetized, it is opposite with the magnetic direction of permanent magnet that the magnetic of pole shoe is redefined for, the magnetic pole that makes permanent magnet is by the repulsion of the pole shoe of electric magnet institute, permanent magnet turns over an angle, projection in the rotating shaft forwards to the spool of feed liquor valve and contacts, and the feed liquor valve is opened, and liquid valve is closed.Have the medicinal liquid of pressure to enter in the inner chamber by the feed liquor valve, medicinal liquid protrudes quantitative diaphragm-operated center, up to contacting with the bottom surface.After pulse current disappeared, the magnetic field of electric magnet disappeared, and permanent magnet is returned to original position again, and the feed liquor valve is closed again and liquid valve is opened, and the medicinal liquid in the inner chamber is just because quantitatively diaphragm and the elasticity of withstanding diaphragm-operated spring flow out from liquid valve.When electronic-controlled installation is exported a DC pulse again, just carry out the next round circulation.Quantitatively the every action of diaphragm once, the amount of liquid medicine of output is one, just can regulate the speed of infusing the blanking time of regulating electronic-controlled installation output pulse.So this disposable automatic control electronics topping-up pump can be selected different amount of infusion easily, more exactly according to different patients' individual variation, can control by patient oneself according to several infusion models of doctor's setting.
Accompanying drawing 1 is the vertical view of this disposable automatic control electronics topping-up pump;
Accompanying drawing 2 is the front view of disposable automatic control electronics topping-up pump;
Accompanying drawing 3 is the A-A cutaway view of Fig. 2;
Accompanying drawing 4 is the B-B cutaway view of Fig. 2;
Accompanying drawing 5 is the C-C cutaway view of Fig. 2;
Accompanying drawing 6 is another structure chart of disposable automatic control electronics topping-up pump;
Accompanying drawing 7 is the structure principle chart of needle valve;
Accompanying drawing 8 is the structure chart of stable-pressure device;
Accompanying drawing 9 is the use principle figure of disposable automatic control electronics topping-up pump;
Accompanying drawing 10 is the use principle figure that the disposable automatic control electronics topping-up pump of stable-pressure device is arranged,
Accompanying drawing 11 is a kind of schematic diagrams of electronic-controlled installation.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, this disposable automatic control electronics topping-up pump comprises the pump housing 1, inlet 5, liquid outlet 2, feed liquor valve 4, liquid valve 3 and quantitative diaphragm 12.Inner chamber 8 is arranged on the pump housing.Inlet 5 and liquid outlet 2 are on the relative two side, the middle part of inner chamber.Feed liquor valve 4 is in the inlet, and liquid valve 3 is in the liquid outlet.As shown in Figure 4 and Figure 5, this disposable automatic control electronics topping-up pump also comprises permanent magnet 11, rotating shaft 9 and the electric magnet 7 of annular.Permanent magnet 11 is enclosed within on the first half of rotating shaft 9, and fixes with rotating shaft, and permanent magnet and rotating shaft are in the front portion in the inner chamber 8, and permanent magnet and rotating shaft can be that axle rotates with the rotating shaft, the magnetic direction of permanent magnet and rotating shaft axially perpendicular.Two pole shoes 6 of electric magnet 7 are buckled in the outside of the pump housing 1, and relative with the magnetic pole of the intravital permanent magnet 11 of pump.Dotted arrow among Fig. 4 is depicted as the magnetic direction of permanent magnet.As Fig. 3 and shown in Figure 5, a projection 10 is arranged on the side at rotating shaft 9 rear portions.Described feed liquor valve 4 and liquid valve 3 are all needle valve.As shown in Figure 7, above-mentioned needle valve comprises spool 22, valve opening 19 and the spring 21 of aciculiform, and spool passes valve opening, and the end of spool has a gradually thick tapered tail 20, this afterbody is pressed to valve opening 19 by spring 21, the sealing that matches with the limit, hole of valve opening of the taper seat of tapered tail 20.As Fig. 3 and shown in Figure 5, the head of the spool of the head of the spool of feed liquor valve 4 and liquid valve 3 is in the both sides of the projection 10 in the described rotating shaft 9.Quantitatively diaphragm 12 is in the rear portion of inner chamber 8, and quantitatively the edge of diaphragm 12 seals mutually with the sidewall of inner chamber 8.Quantitatively the front of diaphragm 12 is relative with the front end of rotating shaft 9, and its back is relative with the bottom surface 15 of inner chamber.Quantitatively 15 of diaphragm 12 and bottom surfaces form a quantitative chamber 16.Quantitatively between the center of diaphragm 12 and the bottom surface spring 37 is arranged.There is a hole 13 that communicates with the external world at the center of inner chamber bottom surface 15.
When this disposable automatic control electronics topping-up pump uses, when the electronic-controlled installation no current was exported, permanent magnet 11 was subjected to the attraction of two pole shoes 6 of electric magnet, and the projection 10 in the rotating shaft is contacted with the spool of liquid valve 3, liquid valve 3 is opened, and 4 on feed liquor valve is in the position of cutting out.Medicinal liquid in the inner chamber just because the elasticity of quantitative diaphragm 12 and spring 37 flows out, is returned to original shape up to quantitative diaphragm from liquid valve.When DC pulse of electronic-controlled installation output, the bipolar shoe 6 of electric magnet is magnetized.The magnetic of pole shoe makes the magnetic pole of permanent magnet 11 by the repulsion of the pole shoe of electric magnet institute, permanent magnet turns over an angle, projection 10 in the rotating shaft forwards to the spool of feed liquor valve 4 and contacts, feed liquor valve 4 is opened, liquid valve 3 is closed, have the medicinal liquid of pressure to enter in the inner chamber by the feed liquor valve, medicinal liquid protrudes the center of quantitative diaphragm 12, contacts with bottom surface 15.Fig. 4 and Fig. 5 shaft 9 residing positions are that electronic-controlled installation has the DC pulse position in when output.After pulse current disappeared, the magnetic field of electric magnet disappeared, and permanent magnet is returned to original position again, and feed liquor valve 4 is closed again and liquid valve 3 is opened, and the medicinal liquid in the inner chamber flows out from liquid valve 3 once more, circulates next time.
As shown in Figure 6, this disposable automatic control electronics topping-up pump, can also comprise valve piece 14, this valve piece is in a side of the bottom surface, inner chamber 15 of quantitative diaphragm 12, spring 37 is between valve piece 14 and the inner chamber bottom surface 15, one inlet opening 17 is arranged on the sidewall in the quantitative chamber 16 between valve piece and the inner chamber bottom surface 15, and this inlet opening 17 is connected by a pipe 18 with described liquid outlet 2.The hole 13 of inner chamber bottom center becomes liquid outlet, the center of valve piece 14 have one with the projection 30 of liquid outlet 13 fitted seal.The disposable automatic control electronics topping-up pump work process of this structure is as follows: when DC pulse of electronic-controlled installation output, permanent magnet 11 rotates an angle, projection 10 in the rotating shaft contacts with the spool of feed liquor valve 4, and feed liquor valve 4 is opened, and liquid valve 3 is closed.Have the medicinal liquid of pressure to enter in the inner chamber by the feed liquor valve, medicinal liquid protrudes the center of quantitative diaphragm 12.Quantitatively the medicinal liquid in the chamber 16 flows out from liquid outlet 13, and the projection 30 on valve piece 14 contacts with the liquid outlet 13 of bottom surface 15 and seals.During the output of electronic-controlled installation no pulse electric current, permanent magnet 11 returns to the home position.Projection 10 in the rotating shaft forwards to the spool of liquid valve and contacts, feed liquor valve 4 cuts out, and liquid valve 3 is opened, and the medicinal liquid in the inner chamber is just owing to the elasticity of diaphragm 12 and spring 37 flows out from liquid valve 3, enter in the quantitative chamber 16 via inlet opening 17, be returned to initial position up to quantitative diaphragm 12.When pulse current comes again, carry out next one circulation.
Be the schematic diagram of this disposable automatic control electronics topping-up pump when using shown in the accompanying drawing 9.31 is liquid feed device among the figure, can be a rubber bile duct formula compression pump; 32 is electronic-controlled installation; 33 is disposable automatic control electronics topping-up pump; 34 is injection needle.
As Fig. 8 and shown in Figure 10, this disposable automatic control electronics topping-up pump can also comprise a stable-pressure device 35.As shown in Figure 8, above-mentioned stable-pressure device comprises columnar shell 23, voltage stabilizing diaphragm 24 and needle valve 25.Voltage stabilizing diaphragm 24 is positioned at shell 23, and its edge seals mutually with the sidewall of shell 23, and the front side of voltage stabilizing diaphragm 24 contacts with the spring 26 of an adjustable in pressure.Needle valve 25 is in the rear portion of shell, and the center of the rear side of voltage stabilizing diaphragm 24 contacts with the head of the spool of needle valve.The rear portion of needle valve is an inlet 28.On the sidewall of shell 23, between voltage stabilizing diaphragm 24 and the needle valve valve opening liquid outlet 29 is arranged, the inlet 5 before this liquid outlet 29 and the described feed liquor valve 4 is connected by pipe 36.27 is the set screw of spring 26 among the figure.The operation principle of this stable-pressure device is: after the medicinal liquid of elevated pressures entered the inlet 28 of stable-pressure device, medicinal liquid promoted voltage stabilizing diaphragm 24, and the spool of needle valve 25 also moves forward together, up to the afterbody of needle valve valve opening was sealed up.The pressure of stable-pressure device herb liquid is determined by the elasticity of spring 26 that mainly when the hydraulic pressure in the liquid feed device changed, the medicinal liquid of stable-pressure device output can keep more stable pressure.After using this stable-pressure device, begin to end,, can guarantee that still transfusion speed is stable though the rubber bile duct in the rubber bile duct formula compression pump can reduce because of dwindling pressure from transfusion.
The electronic-controlled installation of this disposable automatic control electronics topping-up pump can be designed to various forms.Figure 11 is a kind of electronic-controlled installation that utilizes vibration frequency division ic chip 1 and count integration block IC2 to form.The benchmark oscillator signal that is produced by IC1 is behind frequency division, and after the conversion of IC2 count integration block, the output positive pulse signal ends after the control pliotron BG conducting again, thereby the electric magnet 7 in the disposable automatic control electronics topping-up pump is worked off and on.The conversion K switch can be exported the interval of pulse in order to adjusting among the figure, thereby regulates transfusion speed, and this permutator can be controlled by patient oneself.
Claims (3)
1, a kind of disposable automatic control electronics topping-up pump, comprise the pump housing (1), inlet (5), liquid outlet (2), feed liquor valve (4), liquid valve (3), with quantitative diaphragm (12), inner chamber (8) is arranged on the pump housing, inlet (5) and liquid outlet (2) are on the relative two side, the middle part of inner chamber, feed liquor valve (4) is in the inlet, liquid valve (3) is in the liquid outlet, it is characterized in that, it also comprises the permanent magnet (11) of annular, rotating shaft (9) and electric magnet (7), permanent magnet (11) is enclosed within on the first half of rotating shaft (9), and fix with rotating shaft, permanent magnet and rotating shaft are in the front portion in the inner chamber (8), permanent magnet and rotating shaft can be that axle rotates with the rotating shaft, the magnetic direction of permanent magnet and rotating shaft axially perpendicular, two pole shoes (6) of electric magnet (7) are buckled in the outside of the pump housing (1), and it is relative with the magnetic pole of the intravital permanent magnet of pump (11), on the side at rotating shaft (9) rear portion a projection (10) is arranged, described feed liquor valve (4) and liquid valve (3) are all needle valve, the spool (22) that comprises aciculiform, valve opening (19), and spring (21), spool passes valve opening, the end of spool has a gradually thick tapered tail (20), this afterbody is pressed to valve opening (19) by spring (21), the sealing that matches with the limit, hole of valve opening of the taper seat of tapered tail (20), the head of the spool of the head of the spool of feed liquor valve (4) and liquid valve (3) is in the both sides of the projection (10) in the described rotating shaft, quantitatively diaphragm (12) is in the rear portion of inner chamber (8), quantitatively the edge of diaphragm (12) seals mutually with the sidewall of inner chamber (8), quantitatively the front of diaphragm (12) is relative with the front end of rotating shaft, its back is relative with the bottom surface (15) of inner chamber, quantitatively form a quantitative chamber (16) between diaphragm (12) and bottom surface (15), quantitatively between the center of diaphragm (12) and bottom surface (15) spring (37) is arranged, there is a hole (13) that communicates with the external world at the center of inner chamber bottom surface (15).
2, disposable automatic control electronics topping-up pump as claimed in claim 1, it is characterized in that it also comprises valve piece (14), this valve piece is in a side of the bottom surface, inner chamber (15) of quantitative diaphragm (12), spring (37) is between valve piece (14) and inner chamber bottom surface (15), on the sidewall in the quantitative chamber (16) between valve piece and inner chamber bottom surface (15) inlet opening (17) is arranged, this inlet opening (17) is connected by a pipe (18) with described liquid outlet (2), the hole of inner chamber bottom center (13) becomes liquid outlet, the center of valve piece (14) have one with the projection (30) of liquid outlet (13) fitted seal.
3, disposable automatic control electronics topping-up pump as claimed in claim 1 or 2, it is characterized in that it also comprises a stable-pressure device (35), this stable-pressure device comprises columnar shell (23), voltage stabilizing diaphragm (24) and needle valve (25), voltage stabilizing diaphragm (24) is positioned at shell (23), its edge seals mutually with the sidewall of shell (23), the front side of voltage stabilizing diaphragm (24) contacts with the spring (26) of an adjustable in pressure, needle valve (25) is in the rear portion of shell, the center of the rear side of voltage stabilizing diaphragm (24) contacts with the head of the spool of needle valve, the rear portion of needle valve is inlet (28), on the sidewall of shell (23), one liquid outlet (29) is arranged between voltage stabilizing diaphragm (24) and the needle valve valve opening, and the preceding inlet (5) of this liquid outlet (29) and described feed liquor valve (4) is connected by pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00218731 CN2436166Y (en) | 2000-08-06 | 2000-08-06 | Disposable self-controlled electronic liquid tranfusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00218731 CN2436166Y (en) | 2000-08-06 | 2000-08-06 | Disposable self-controlled electronic liquid tranfusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2436166Y true CN2436166Y (en) | 2001-06-27 |
Family
ID=33584045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00218731 Expired - Fee Related CN2436166Y (en) | 2000-08-06 | 2000-08-06 | Disposable self-controlled electronic liquid tranfusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2436166Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103110460A (en) * | 2013-01-22 | 2013-05-22 | 苏波 | Detection therapeutic device and remote monitoring shoe |
| CN104033348A (en) * | 2014-06-09 | 2014-09-10 | 四川大学 | Digital quantitative continuous liquid injection pump |
| CN104323758A (en) * | 2013-01-22 | 2015-02-04 | 苏波 | Detection and treatment device and remote monitoring shoe |
| CN102538891B (en) * | 2010-12-31 | 2016-04-20 | 深圳迈瑞生物医疗电子股份有限公司 | A kind of integrated fluid proportioning device and scaling method thereof and sample analyser |
-
2000
- 2000-08-06 CN CN 00218731 patent/CN2436166Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538891B (en) * | 2010-12-31 | 2016-04-20 | 深圳迈瑞生物医疗电子股份有限公司 | A kind of integrated fluid proportioning device and scaling method thereof and sample analyser |
| CN103110460A (en) * | 2013-01-22 | 2013-05-22 | 苏波 | Detection therapeutic device and remote monitoring shoe |
| CN104323758A (en) * | 2013-01-22 | 2015-02-04 | 苏波 | Detection and treatment device and remote monitoring shoe |
| CN104323758B (en) * | 2013-01-22 | 2016-04-20 | 苏波 | A kind of detection therapy equipment and long distance monitoring footwear |
| CN104033348A (en) * | 2014-06-09 | 2014-09-10 | 四川大学 | Digital quantitative continuous liquid injection pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |