CA1231874A - Solution container having integral power source - Google Patents
Solution container having integral power sourceInfo
- Publication number
- CA1231874A CA1231874A CA000456506A CA456506A CA1231874A CA 1231874 A CA1231874 A CA 1231874A CA 000456506 A CA000456506 A CA 000456506A CA 456506 A CA456506 A CA 456506A CA 1231874 A CA1231874 A CA 1231874A
- Authority
- CA
- Canada
- Prior art keywords
- solution
- container
- battery means
- pump
- battery
- 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.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
SOLUTION CONTAINER HAVING INTEGRAL POWER SOURCE
Abstract of the Disclosure A flexible collapsible solution container (12) carries battery means (16) permanently attached to the solution container with the terminals (36),(38) of the battery being accessible to connect with electrically operated pump means (24) for pumping the contents of the solution container.
Abstract of the Disclosure A flexible collapsible solution container (12) carries battery means (16) permanently attached to the solution container with the terminals (36),(38) of the battery being accessible to connect with electrically operated pump means (24) for pumping the contents of the solution container.
Description
2 3 1 ~7L~
SOLUTION CONTAINER HAVING INTEGRAL POWER SOURCE
Technical Field and Pior Art In U. S. pa-tent 4,416,595 of Harry W. Cromie entitled "MINIATURE ROTARY INFUSION PUMP WITH SLIDE
LATCH AND DETACHABLE POWER SOURCE", a wearable pump design is disclosed for providing measured amounts of parenteral solution on a continuous basis to a patient. The parenteral solution may be carried in a bag which, in turn, is carried with the pump.
Similarly, Olson U. S. patent 4,540,351 discloses a pressure pump for fluids having jaws and end slots, being an alternate design of a pump having similar purposes as the pump of the Cromie applica-tion.
In the devices disclosed in the above two patent applications, and other known devices similar to concept to them, the pump is electrically operated and, typical-ly, a single bag of solution is used by a patient over a 24 hour period for the controlled administration of cancer chemotherapeutic agent, analgesic, insulin, or other desired medication. In the prior art, such pumps have carried batteries to power the pumping action over the 24 hour period.
Unfortunately, it has been found that in some instances patients neglect to change the batteries in the pump as often as is desired, with the result that the battery in the pump will go dead during the middle of the day, causing the continuous, long-term administration of critical medication to stop. This may not be noted by the patient for a substantial period of time, since a major purpose of pumps of the type described is to permit the patient to operate independently throughout the day, away from the hospital or any other medical supervision in his everyday activities.
The consequent failure of administration of critical medication for a period of hours may well result in a I ~3 8 7 11 significant medical setback for the patient, all because of his absentminded failure to replace the batteries of the pump.
In accordance with this invention, an alternate power system for the pumping of solutions to and from flexible collapsible containers is provided, being set up so that the patient cannot make the mistake of failing to change the batteries. Thus, the patient is better protected against accidental oYersigh~s on his part, and the critical medication can be provided to an independently living patient with greater reliability of administration and less medical supervision. This is accomp1ished by attacking the battery to the flexible, collapsible solution container so that the two are used as a single disposable unit. Accordingly, each flexible solution container of critical medication is administered by the pump being powered by a fresh battery every time, thus avoiding unnecessary and potentially critical failures of power in the pump systems.
The invention can also be used in other ureas, for example, for the administration of large vo1umes of parenteral solution (a liter or more) to ambulator patients.
Description of the Invention In accordance with this invention, a flexible, collapsible solution container and battery means having terminals are permanently attached together, with the terminals being accessible to connect with electrically operated pump means for pumping the contents of the solution container.
In one embodiment, the battery means may be carried within a compartment of the container, the compartment being separate from the solution carried in the container.
In another embodiment, the solution container and battery means may be permanently attached together in peripherally sealed, side-by-side relation. the battery means may preferably be relatively flat, defining a length and width which are at ~L~3~
least foux times greater than its thickness, and, in the second embodiment described above, the terminals may be positioned on the face of the battery which is opposed to the solution container.
Flat batteries of the type described are commerclally available from the Polaroid Company and may be modified by conventional means to be used in accordance with this invention, particularly in one of the embodiments described above.
Other aspects of this invention are as follows:
In combination, a flexible, collapsible solution container and battery means having terminals, said solution container and battery means being permanently attached together with said terminals being accessible to connect with electrically operated pump means for pumping the contents of said solution container.
In combination, a flexible, collapsible solution eontainer and battery means having terminals, said solution container and battery means being permanently attached together in peripherally sealed side-by-side relation, said battery means defining a length and width whieh are at least four times greater than its thickness, said terminals being aceessible to conneet with eleetrieally operated pump means for pumping the eontents of said solution eontainer.
In infusion pump means eapable of pumping solution rom a flexible eollapsible solution eontainer, the improvement eomprising, in eombination, a flexible collapsible solution eontainer in pumping relation with said infusion pump means, and battery means having terminals, said sQlution eontainer and battery means being permanently attaehed together, with said terminals in eontact with terminals of the solution pump means, whereby said battery means provides power to said solution pump means for pumping solution from said eollapsible solution eontainer.
In solution pump means defining a housing, for pumping solution from a flexible, eollapsible container, the improvement comprising, in eombination:
SOLUTION CONTAINER HAVING INTEGRAL POWER SOURCE
Technical Field and Pior Art In U. S. pa-tent 4,416,595 of Harry W. Cromie entitled "MINIATURE ROTARY INFUSION PUMP WITH SLIDE
LATCH AND DETACHABLE POWER SOURCE", a wearable pump design is disclosed for providing measured amounts of parenteral solution on a continuous basis to a patient. The parenteral solution may be carried in a bag which, in turn, is carried with the pump.
Similarly, Olson U. S. patent 4,540,351 discloses a pressure pump for fluids having jaws and end slots, being an alternate design of a pump having similar purposes as the pump of the Cromie applica-tion.
In the devices disclosed in the above two patent applications, and other known devices similar to concept to them, the pump is electrically operated and, typical-ly, a single bag of solution is used by a patient over a 24 hour period for the controlled administration of cancer chemotherapeutic agent, analgesic, insulin, or other desired medication. In the prior art, such pumps have carried batteries to power the pumping action over the 24 hour period.
Unfortunately, it has been found that in some instances patients neglect to change the batteries in the pump as often as is desired, with the result that the battery in the pump will go dead during the middle of the day, causing the continuous, long-term administration of critical medication to stop. This may not be noted by the patient for a substantial period of time, since a major purpose of pumps of the type described is to permit the patient to operate independently throughout the day, away from the hospital or any other medical supervision in his everyday activities.
The consequent failure of administration of critical medication for a period of hours may well result in a I ~3 8 7 11 significant medical setback for the patient, all because of his absentminded failure to replace the batteries of the pump.
In accordance with this invention, an alternate power system for the pumping of solutions to and from flexible collapsible containers is provided, being set up so that the patient cannot make the mistake of failing to change the batteries. Thus, the patient is better protected against accidental oYersigh~s on his part, and the critical medication can be provided to an independently living patient with greater reliability of administration and less medical supervision. This is accomp1ished by attacking the battery to the flexible, collapsible solution container so that the two are used as a single disposable unit. Accordingly, each flexible solution container of critical medication is administered by the pump being powered by a fresh battery every time, thus avoiding unnecessary and potentially critical failures of power in the pump systems.
The invention can also be used in other ureas, for example, for the administration of large vo1umes of parenteral solution (a liter or more) to ambulator patients.
Description of the Invention In accordance with this invention, a flexible, collapsible solution container and battery means having terminals are permanently attached together, with the terminals being accessible to connect with electrically operated pump means for pumping the contents of the solution container.
In one embodiment, the battery means may be carried within a compartment of the container, the compartment being separate from the solution carried in the container.
In another embodiment, the solution container and battery means may be permanently attached together in peripherally sealed, side-by-side relation. the battery means may preferably be relatively flat, defining a length and width which are at ~L~3~
least foux times greater than its thickness, and, in the second embodiment described above, the terminals may be positioned on the face of the battery which is opposed to the solution container.
Flat batteries of the type described are commerclally available from the Polaroid Company and may be modified by conventional means to be used in accordance with this invention, particularly in one of the embodiments described above.
Other aspects of this invention are as follows:
In combination, a flexible, collapsible solution container and battery means having terminals, said solution container and battery means being permanently attached together with said terminals being accessible to connect with electrically operated pump means for pumping the contents of said solution container.
In combination, a flexible, collapsible solution eontainer and battery means having terminals, said solution container and battery means being permanently attached together in peripherally sealed side-by-side relation, said battery means defining a length and width whieh are at least four times greater than its thickness, said terminals being aceessible to conneet with eleetrieally operated pump means for pumping the eontents of said solution eontainer.
In infusion pump means eapable of pumping solution rom a flexible eollapsible solution eontainer, the improvement eomprising, in eombination, a flexible collapsible solution eontainer in pumping relation with said infusion pump means, and battery means having terminals, said sQlution eontainer and battery means being permanently attaehed together, with said terminals in eontact with terminals of the solution pump means, whereby said battery means provides power to said solution pump means for pumping solution from said eollapsible solution eontainer.
In solution pump means defining a housing, for pumping solution from a flexible, eollapsible container, the improvement comprising, in eombination:
3~
said housing removably retaining a flexible collapsible solution container, and battery means having terminals said solution container and battery means being permanently attached together, the terminals of said battery means being in electrical connection with said solution pump means whereby said battery provides the power to said pump means Eor pumping of the contents of said solution container.
Desciption of In the drawings, Figure 1 is a perspective view of the flexible collapsible solution container and attached battery means of this invention in the process of being installed in electrically operated pump means, for daylong, parenteral application of a critical medication to a patient who will carry the operating pump and solution container with him throughout the day while the critical medication is administered through an intravenous catheter on a controlled, continuous basis.
Figure 2 is a perspective view showing the bag and battery installed in the pump of Figure 1, so that the pump now is ready for attachment to the patient's intravenous catheter.
Figure 3 is a plan view of another embodiment of the collapsible solution container and attached battQry of this invention.
Description of Specific Embodiments Referring to Figures 1 and 2, the combined flexible, collapsible solution container and battery 10 of this invention is disclosed, with solution bag 12 being typically made in generally conventional manner of a pair of heat-sealed thermoplastic sheets of plastic such as polyvinyl chloride, with the heat sealing taking place at periphery 14. Flat battery 16, of a type which is available from the Polaroid Corporation, is carried on top of bag 12 as shown in Figure 1, and sealed thereto at periphery 14. This sealing may be accomplished by an ultrasonic welting technique, a solvent sealing technique, or use of an adhesive around tile periphery 14, or, if desired, between the adjoining faces of bag 12 and battery 16, to render them permanently attached together.
As shown, bag 12 carrles connection tube 18 which, in turn, may connect to transfer set 20 of conventional design which, in turn, may terminate with an IV needle or a luer lock adapter 22 as may be desired, to either make an IV connection with the patient or a connection with an indwelling IY catheter so that cri tica1 medication of bag 12 may be transferred tO the patient. Luer lock adaptor 22 is covered with removable protector 23.
Pump 24 may be of a design as described in the cited patent applications, and specifically the above-cited Olson patent application, except as otherwise described herein.
Housing 26 is provided which carries pump head 28 which may be of the design of the previously cited Olson patent application, with the further modification that a notch 30 is 2~ provided in latch 32 which locks and unlocks pivotable jaws 33, within which a portion of tubing 20 is provided. Tubing 20 surrounds a pressure head (not shown) which moves in a circular path of motion, compressiny tubing 20 against the closed jaws 33 in the circular path of motion, and thus forcing solution downstream through adaptor 22 at a predetermined rate of flow as governed by pump control 34.
Battery 16 carries terminals 36, 38. The combined battery and collapsible container 10 may be placed into pump housing 26, inverting the structure from the position shown in Figure 1 so that terminals 36, 38 enter respectively into contact with spring terminals 40, 42 mounted in housing 26 as shown.
Terminals 40, 42 connect to an electric motor in housing 26 for operating pump head 28. Tubing 18 and the adjacent section of tube 20 may be placed in trough 43, and lid 44 may be closed to achieve the configuration of Figure 2. The loaded pump may then 1 23 i be connected to the patient for precisely controlled administration of solution by pump 24 over an extended period of time, without risk of the battery going dead during the middle of the administration process.
referring to Figure 3, another embodilnent of bag and attached battery is disclosea. As shown, a two-chamher plastic bag 50 made in an overall conventional manner for example from a pair of peripnerally heat sealer sheets of plastic and a transverse heat seal 52, defines a pair of chambers 54, S6.
l Chamber 54 is the chamber for the desire solution for administration and communicates with port tubing 58 which, in turn, can cummunicate with a transfer set 20 if desired.
Charnber 56, isolated from solution chamber 54, carries a battery 58 which may be of the flat type, or may be another conventional type of battery, having terminals 60 protruding from the end of bay 50 for communication with a cable or wire communicating with the pump system to provide power thereto.
Bag 50 can fold along line 62, if desired for insertion into a storage chamber of a pump for ambulatory use.
The above has been offered for illustrative purposes only and is not intended to limit the scope of the invention of this application, which is as defined in the claims below.
said housing removably retaining a flexible collapsible solution container, and battery means having terminals said solution container and battery means being permanently attached together, the terminals of said battery means being in electrical connection with said solution pump means whereby said battery provides the power to said pump means Eor pumping of the contents of said solution container.
Desciption of In the drawings, Figure 1 is a perspective view of the flexible collapsible solution container and attached battery means of this invention in the process of being installed in electrically operated pump means, for daylong, parenteral application of a critical medication to a patient who will carry the operating pump and solution container with him throughout the day while the critical medication is administered through an intravenous catheter on a controlled, continuous basis.
Figure 2 is a perspective view showing the bag and battery installed in the pump of Figure 1, so that the pump now is ready for attachment to the patient's intravenous catheter.
Figure 3 is a plan view of another embodiment of the collapsible solution container and attached battQry of this invention.
Description of Specific Embodiments Referring to Figures 1 and 2, the combined flexible, collapsible solution container and battery 10 of this invention is disclosed, with solution bag 12 being typically made in generally conventional manner of a pair of heat-sealed thermoplastic sheets of plastic such as polyvinyl chloride, with the heat sealing taking place at periphery 14. Flat battery 16, of a type which is available from the Polaroid Corporation, is carried on top of bag 12 as shown in Figure 1, and sealed thereto at periphery 14. This sealing may be accomplished by an ultrasonic welting technique, a solvent sealing technique, or use of an adhesive around tile periphery 14, or, if desired, between the adjoining faces of bag 12 and battery 16, to render them permanently attached together.
As shown, bag 12 carrles connection tube 18 which, in turn, may connect to transfer set 20 of conventional design which, in turn, may terminate with an IV needle or a luer lock adapter 22 as may be desired, to either make an IV connection with the patient or a connection with an indwelling IY catheter so that cri tica1 medication of bag 12 may be transferred tO the patient. Luer lock adaptor 22 is covered with removable protector 23.
Pump 24 may be of a design as described in the cited patent applications, and specifically the above-cited Olson patent application, except as otherwise described herein.
Housing 26 is provided which carries pump head 28 which may be of the design of the previously cited Olson patent application, with the further modification that a notch 30 is 2~ provided in latch 32 which locks and unlocks pivotable jaws 33, within which a portion of tubing 20 is provided. Tubing 20 surrounds a pressure head (not shown) which moves in a circular path of motion, compressiny tubing 20 against the closed jaws 33 in the circular path of motion, and thus forcing solution downstream through adaptor 22 at a predetermined rate of flow as governed by pump control 34.
Battery 16 carries terminals 36, 38. The combined battery and collapsible container 10 may be placed into pump housing 26, inverting the structure from the position shown in Figure 1 so that terminals 36, 38 enter respectively into contact with spring terminals 40, 42 mounted in housing 26 as shown.
Terminals 40, 42 connect to an electric motor in housing 26 for operating pump head 28. Tubing 18 and the adjacent section of tube 20 may be placed in trough 43, and lid 44 may be closed to achieve the configuration of Figure 2. The loaded pump may then 1 23 i be connected to the patient for precisely controlled administration of solution by pump 24 over an extended period of time, without risk of the battery going dead during the middle of the administration process.
referring to Figure 3, another embodilnent of bag and attached battery is disclosea. As shown, a two-chamher plastic bag 50 made in an overall conventional manner for example from a pair of peripnerally heat sealer sheets of plastic and a transverse heat seal 52, defines a pair of chambers 54, S6.
l Chamber 54 is the chamber for the desire solution for administration and communicates with port tubing 58 which, in turn, can cummunicate with a transfer set 20 if desired.
Charnber 56, isolated from solution chamber 54, carries a battery 58 which may be of the flat type, or may be another conventional type of battery, having terminals 60 protruding from the end of bay 50 for communication with a cable or wire communicating with the pump system to provide power thereto.
Bag 50 can fold along line 62, if desired for insertion into a storage chamber of a pump for ambulatory use.
The above has been offered for illustrative purposes only and is not intended to limit the scope of the invention of this application, which is as defined in the claims below.
Claims (17)
1. In combination, a flexible, collapsible solution container and battery means having terminals, said solution container and battery means being permanently attached together with said terminals being accessible to connect with electrically operated pump means for pumping the contents of said solution container.
2. The container and battery means of Claim 1 in which said battery means is carried within a compartment of said container, said compartment being separate from the solution carried in said container.
3. The container and battery means of Claim 1 in which said battery means defines a length and width which are at least four times greater than its thickness.
4. In combination, a flexible, collapsible solution container and battery means having terminals, said solution container and battery means being permanently attached together in peripherally sealed side-by-side relation, said battery means defining a length and width which are at least four times greater than its thickness, said terminals being accessible to connect with electrically operated pump means for pumping the contents of said solution container.
5. The container and battery means of Claim 4 in which said terminals are positioned on the face of said battery which is opposed to said solution container.
6. The container and battery means of Claim 5 in which the periphery of said battery means is sealed to the periphery of said container.
7. In infusion pump means capable of pumping solution from a flexible collapsible solution container, the improvement comprising, in combination, a flexible collapsible solution container in pumping relation with said infusion pump means, and battery means having terminals, said solution container and battery means being permanently attached together, with said terminals in contact with terminals of the solution pump means, whereby said battery means provides power to said solution pump means for pumping solution from said collapsible solution container.
8. In solution pump means defining a housing, for pumping solution from a flexible, collapsible container, the improvement comprising, in combination:
said housing removably retaining a flexible collapsible solution container, and battery means having terminals, said solution container and battery means being permanently attached together, the terminals of said battery means being in electrical connection with said solution pump means whereby said battery provides the power to said pump means for pumping of the contents of said solution container.
said housing removably retaining a flexible collapsible solution container, and battery means having terminals, said solution container and battery means being permanently attached together, the terminals of said battery means being in electrical connection with said solution pump means whereby said battery provides the power to said pump means for pumping of the contents of said solution container.
9. The solution pump of claim 8 in which said battery means is carried within a compartment of said container, said compartment being separate from the solution carried in said container.
10. The solution pump of claim 8 in which said battery means defines a length and width which are at least four times greater than its thickness.
11. The solution pump of claim 8 in which said container and battery means are permanently attached together in peripherally sealed side-by-side relation.
12. The solution pump of claim 11 in which said terminals are positioned on the face of said battery means which is opposed to said solution container.
13. The solution pump of claim 11 in which said battery means defines a length and width which are at least four times greater than its thickness, and the periphery of said battery means is sealed to the periphery of said container.
14. The solution pump of claim 8 in which said solution container is a plastic envelope defining first and second compartments, said first compartment carrying the solution of said container, and the second compartment carrying said battery means, said compartments being spaced from each other in different sections of said solution container
15. The solution pump of claim 7 in which said solution container is a plastic envelope defining first and second compartments, said first compartment carrying the solution of said container, and the second compartment carrying said battery means, said compartments being spaced from each other in different sections of said solution container.
16. The solution pump of claim 15 in which said battery means defines a length and width which are at least four times greater than its thickness.
17. The solution pump of claim 8 in which said terminals of the battery means are positioned on a peripheral edge of said battery means and project out of said container.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51443483A | 1983-07-18 | 1983-07-18 | |
| US514,434 | 1983-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1231874A true CA1231874A (en) | 1988-01-26 |
Family
ID=24047111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000456506A Expired CA1231874A (en) | 1983-07-18 | 1984-06-13 | Solution container having integral power source |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0149613A4 (en) |
| JP (1) | JPS60501839A (en) |
| CA (1) | CA1231874A (en) |
| WO (1) | WO1985000523A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4808167A (en) * | 1987-01-16 | 1989-02-28 | Pacesetter Infusion, Ltd. | Medication infusion system with disposable pump/battery cassette |
| AU626013B2 (en) * | 1988-07-04 | 1992-07-23 | Sony Corporation | A thin electronic device having an integrated circuit chip and a power battery and a method for producing same |
| EP0399119A1 (en) * | 1989-05-25 | 1990-11-28 | Imed Corporation | An intravenous fluid infusing device |
| US5250027A (en) * | 1991-10-08 | 1993-10-05 | Sherwood Medical Company | Peristaltic infusion device with backpack sensor |
| US5984894A (en) * | 1991-04-18 | 1999-11-16 | Novo Nordisk A/S | Infuser |
| DK69491D0 (en) * | 1991-04-18 | 1991-04-18 | Novo Nordisk As | PUMP |
| WO2002068015A2 (en) * | 2001-02-22 | 2002-09-06 | Insulet Corporation | Modular infusion device and method |
| US20030130624A1 (en) | 2002-01-07 | 2003-07-10 | Kowalik Francis C. | Medical infusion system with integrated power supply and pump therefor |
| US7399401B2 (en) * | 2002-10-09 | 2008-07-15 | Abbott Diabetes Care, Inc. | Methods for use in assessing a flow condition of a fluid |
| EP2155289A2 (en) * | 2007-05-11 | 2010-02-24 | Medingo Ltd. | A positive displacement pump |
| US10625016B2 (en) * | 2015-03-13 | 2020-04-21 | Fresenius Vial Sas | Infusion device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3967292A (en) * | 1974-12-23 | 1976-06-29 | Polaroid Corporation | Film assembly including a hermetically sealed battery |
| US4010760A (en) * | 1975-05-23 | 1977-03-08 | Medtronic, Inc. | Coupling assembly for implantable electromedical devices |
| US4416595A (en) * | 1981-03-13 | 1983-11-22 | Baxter Travenol Laboratories, Inc. | Miniature rotary infusion pump with slide latch and detachable power source |
-
1984
- 1984-04-06 EP EP19840901696 patent/EP0149613A4/en not_active Withdrawn
- 1984-04-06 WO PCT/US1984/000526 patent/WO1985000523A1/en not_active Application Discontinuation
- 1984-04-06 JP JP59501644A patent/JPS60501839A/en active Pending
- 1984-06-13 CA CA000456506A patent/CA1231874A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| WO1985000523A1 (en) | 1985-02-14 |
| EP0149613A1 (en) | 1985-07-31 |
| EP0149613A4 (en) | 1987-02-12 |
| JPS60501839A (en) | 1985-10-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |