WO1997023251A1 - Infusion device with fill assembly - Google Patents
Infusion device with fill assembly Download PDFInfo
- Publication number
- WO1997023251A1 WO1997023251A1 PCT/US1996/020243 US9620243W WO9723251A1 WO 1997023251 A1 WO1997023251 A1 WO 1997023251A1 US 9620243 W US9620243 W US 9620243W WO 9723251 A1 WO9723251 A1 WO 9723251A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- subassembly
- fluid
- assembly
- cover
- Prior art date
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
-
- 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
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/148—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags
- A61M5/152—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons flexible, e.g. independent bags pressurised by contraction of elastic reservoirs
-
- 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
- A61M2209/00—Ancillary equipment
- A61M2209/04—Tools for specific apparatus
-
- 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
- A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
-
- 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
- A61M5/178—Syringes
- A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
Definitions
- the present invention relates generally to fluid delivery devices for infusion of beneficial agents into a patient. More particularly, the invention concerns infusion devices which include a novel fill assembly for filling the fluid reservoir of the infusion devices.
- the present inventor has devised a number of highly novel fluid delivery devices for use by ambulatory patients which embody self-contained stored energy means for delivering fluids from the reservoir of the device at precisely controlled rates.
- the devices employ various types of materials to construct the stored energy sources including elastomeric film materials and expandable cellular materials such as elastomeric foams.
- the elastomeric films or the expandable cellular materials function to controllably force the fluid from the reservoir and outwardly of the device at precise rates.
- Exemplary of these novel fluid delivery devices are those disclosed in U.S. Patent Nos.
- Patent No. 5,411 ,480 has particular relevance to the present invention, this patent is hereby inco ⁇ orated by reference in its entirety as though fully set forth herein.
- the devices described in the aforementioned patents can be used with minimal professional assistance in an alternate health care environment, such as the home. Certain of the devices can also be comfortably and conveniently removably affixed to the patient's body and can be used for the continuous infusion of antibiotics, hormones, steroids, blood clotting agents, analgesics, and like medicinal agents. Similarly, the devices can be used for I-V chemotherapy and can accurately delivery fluids to the patient in precisely the correct quantities and at extended microfusion rate over time.
- the thrust of the present invention is to provide a novel fluid delivery apparatus that includes a unique fill assembly that can be used to controllably fill the fluid reservoir of the apparatus in the field.
- the fill assemblies of the present invention include a fluid containing vial assembly mounted within a unique adapter assembly which functions to conveniently mate the vial assembly with several different types of fluid delivery devices that embody self-contained stored energy means.
- the adapter assembly of the invention interconnects the fluid containing vial with the fluid delivery device so that the reservoir of the device can be controllably filled with the fluid contained within the vial assembly. After the reservoir is thus filled, the stored energy means of the fluid delivery device will function to controllably expel the fluid from the device.
- the novel fill assembly of the invention is specially designed for use with various types of fluid delivery devices and enables the fluid reservoir of the devices to be aseptically filled in the field shortly before use with a wide variety of medicinal fluids.
- Another object of the present invention is to provide an apparatus of the aforementioned character in which the fill assembly comprises a vial assembly of generally conventional construction that can be prefilled with a wide variety of medicinal fluids.
- Another object of the present invention is to provide a fill assembly of the type described in the preceding paragraph in which the prefilled vial assembly is partially received within a novel adapter assembly that functions to operably couple the vial assembly with the fluid delivery device.
- Another object of the invention is to provide an apparatus as described in the preceding paragraphs in which the adapter assembly includes locking means for locking the assembly to the fluid delivery device following filling,of the fluid reservoir of the device.
- Another object of the invention is to provide an adapter assembly of the character described that is highly versatile in that it can be used with a wide variety of fluid delivery devices.
- Another object of the invention is to provide a novel adapter assembly which is easy to use, is inexpensive to manufacture, and one which maintains the prefilled vial in sterile condition until time of use.
- Figure 1 is a generally perspective exploded view of one form of the adapter assembly of the present invention.
- Figure 2 is a enlarged, cross-sectional view of the adapter assembly illustrated in Figure 1 as it appears in an assembled configuration.
- Figure 3 is a cross-sectional view similar to Figure 2, but showing the appearance of the component parts of the invention after the plunger of the container has been telescopically moved from a first to a second position.
- Figure 4 is a cross-sectional view taken along lines 4-4 of Figure 2.
- Figure 5 is a generally perspective, exploded view of one form of fluid delivery device of the invention with which the adapter assembly: shown in Figure 1 can be operably interconnected.
- Figure 6 is a plan view of the fluid delivery device shown in Figure 5.
- Figure 7 is a cross-sectional view taken along lines 7-7 of Figure 6.
- Figure 7A is a cross-sectional view taken along lines 7A-7A of Figure 6.
- Figure 8 is a cross-sectional view taken along lines 8-8 of Figure 6.
- Figure 8A is a cross-sectional view taken along lines 8A-8A of Figure 6.
- Figure 9 is a cross-sectional view of an alternate form of fluid delivery device with which the adapter assembly of Figure 1 can be operably associated.
- Figure 10 is a transverse cross-sectional view of the delivery device shown in Figure 9.
- Figure 1OA is a cross-sectional view similar to Figure 9 but showing the compaction 5 of the stored energy means of the device as the fluid reservoir is filled.
- Fill assembly 12 is specially designed for use with fluid delivery apparatus of a character presently to be described which includes a base and a stored energy means for forming in conjunction with the base a fluid reservoir for containing medicinal fluids to be controllably infused into a patient.
- the fill assembly of this form of the invention 5 comprises a container subassembly 14, an adapter assembly 15, and a cover subassembly 17, the character of which will presently be described.
- Container subassembly 14 includes a body portion 16, having a fluid chamber 18 for containing an injectable fluid "F" provided with first and second open ends 20 and 22 ( Figures 2 and 3).
- First open end 20 is sealably closed by closure means here provided in the form of a pierceable septum assembly 24. Septum 0 assembly 24 is held securely in position by a clamping ring 24a.
- a plunger 26 is telescopically movable within chamber 18 of container subassembly 14 from a first location shown in Figure 2 where it is proximate first open end 22 to a second position shown in Figure 3 where it is proximate first open end 20.
- the vial portion of container subassembly 14 can be constructed from various materials such as glass and plastic.
- the adapter subassembly 15 comprises a hollow housing 30 having a first open end 32 and a second closed end 34 ( Figure
- Container subassembly 14 is telescopically receivable within open end 32 of housing 30 in the manner shown in Figure 3 so that the housing can be moved from the first extended position shown in Figure 2 to the second vial encapsulation position shown in Figure 3.
- pusher means shown here as an elongated pusher rod 36 which functions to move plunger 26 within fluid chamber 18 from the first position shown,in Figure 2 to the second position shown in Figure 3.
- pusher rod 36 has a first end 36a interconnected with closure wall 34 and an opposite end 36b which engages plunger 26 and causes telescopic movement of the plunger within chamber 18 of container subassembly 14 as housing 30 is moved from the extended position into the vial encapsulating position shown in Figure 3.
- housing 30 is provided with circumferentially spaced-apart protuberances 40 which engage and center container subassembly 14 within housing 30. Due to the small surface area presented by protuberances
- Cover subassembly 17 of the fill assembly of the present form of the invention includes a spiral wound frangible portion 42 having a first open end 44 for telescopically receiving body portion 16 of container subassembly 14 ( Figure 2) and a second closed end 46.
- Portion 42 initially circumscribes a major portion of container subassembly 14 in the manner best seen in Figure 2.
- An integral pull tab 42a is provided to permit the spiral wound portion to be pulled from container subassembly 14 so as to expose a substantial portion of body 16.
- a medicament label 50 circumscribes spiral wound portion 42 and serves to prevent accidental unwinding of the spiral portion from the container subassembly 14.
- the spiral portion upon pulling tab 42a, the spiral portion will unwind and, in so doing, will tear medicament label 50 so that the spiral portion 42 of the covering as well as a cylindrical portion 52 which, also comprises a part of the cover assembly, can be slipped from the container 14 so as to expose to view septum assembly 24.
- venting apertures 54 which are covered by a porous vent patch 56 which can be constructed from any suitable porous material that will permit air entrapped within the interior of cover subassembly 17 to be expelled to atmosphere as the subassembly is placed over container subassembly 14.
- FIG. 5 one form of the fluid delivery assembly usable with the fill assembly of the invention is there illustrated and generally identified by the numeral 60. While fill assembly 12 can be used with a wide variety of different types of fluid delivery assembly, the assembly shown in Figures 5 through 8 is representative of one type of such fluid delivery assembly .
- This assembly comprises a base subassembly 62, a cover subassembly 64 receivable over base subassembly 62, and a stored energy means for forming in conjunction with base subassembly 62 a fluid reservoir ( Figure 7).
- the stored energy means comprises a thin elastomeric membrane 66 the periphery of which is clamped in engagement with an upraised portion 68 formed on a base member 70 by a clamping ring 72.
- Base subassembly 62 in addition to base member 70, includes a thin, planar shaped foam pad 71.
- Foam pad 71 is provided with adhesive on both its upper and lower surfaces. The adhesive on the upper surface of the pad enables the pad to be affixed to the lower surface of base member 70.
- a peel strip 71a is connected to the bottom surface of foam pad 71 by the adhesive provided thereon.
- cover subassembly 64 includes a cover member 74 and a medicament label 65.
- Cover member 74 is provided with an elongated receiving chamber 76 which is adapted to receive the fill subassembly of the invention.
- the fill subassembly communicates via passageways 78, 80 and 81 with the fluid reservoir 82 which is formed between elastomeric membrane 66 and base member 70 ( Figures 6 and 7).
- Passageways 78 and 80 are formed within a housing 84 which is connected to cover member 74, while passageway 81 is formed within upraised portion 68 of base member 70.
- the outboard ends of passageway 80 are closed by bonded closure plugs "P".
- Housing 84 comprises a part of the cover subassembly of the invention and includes an outlet passageway 86 which communicates with a luer assembly 88 via flow control means generally designated by the numeral 90 ( Figures 7 and 8A).
- the flow control means here comprises an assemblage made up of four disc-like wafers. Wafers 94 and 96 of the assemblage comprise porous glass distribution frits, while intermediate wafers 98 and 100 comprise a filter member and a rate control member respectively.
- Rate control member 100 is preferably constructed from a porous medium such as a polycarbonate material having extremely small flow apertures ablatively drilled by an excimer laser ablation process. Both the orifice size and unit distribution can be closely controlled by this process. However, a number of other materials can also be used to construct this permeable member, including metals, ceramics, cermet, glass and plastic.
- the rate control member can be specifically tailored to accommodate multiple flow regimens including very low flow and intermediate flow conditions.
- housing 84 includes a generally cylindrically shaped hollow hub-like portion 102 which extends into receiving channel 76 when the housing 84 is mated with cover member 74.
- hub-like portion 102 Formed within hub-like portion 102 is a hollow piercing cannula 104 the purpose of which will presently be described.
- the internal bore of hollow cannula 104 comprises the previously identified fluid passageway 78 which is in fluid communication with flow passageway 80 of housing 84.
- the cover subassembly is first removed from the container subassembly by pulling on pull-tab 42a. This will cause the spiral portion 42 of the cover subassembly to tear away from the container subassembly so that it can be separated from the forwardly disposed portion 52. Once the spiral wound portion 42 is removed, cylindrical portion 52 can also be removed and discarded. Removal of the cover subassembly exposes the forward portion of the container subassembly and readies the adapter subassembly for interconnection with the fluid delivery assembly.
- closure plug 106 of the cover subassembly Prior to mating the adapter assembly with the fluid delivery assembly, closure plug 106 of the cover subassembly must be removed in the manner illustrated in Figure 5. This done, the fill assembly can be telescopically inserted into receiving chamber 76 and pushed forwardly in the direction indicated by the arrow 107 in Figure 7A. A force exerted in the direction of the arrow will cause the adapter subassembly to move to the right as viewed in
- membrane 66 will be distended outwardly in the manner shown in Figure 7 to a position where it engages inner wall 74a of cover member 74.
- Ring 72 which is in clamping engagement with upstanding portion 68 of base 70 functions to capture and seal the membrane against portion 68 and prevent leakage of fluid around the perimeter of the membrane.
- a vent means shown as vent port "V" is provided in cover member 74 for venting of gases between the membrane and inner wall 74a to atmosphere.
- membrane 66 can comprise a single film layer or can comprise a laminate construction made up of a number of cooperating layers. In this regard, reference should be made to columns 10 and 11 of United States Patent No.
- Inlet 1 12 is sealably closed by an elastomeric pierceable member 114 which can be pierced by fluid delivery means well known in the art, such as a hypodermic syringe 1 15, so that a second fluid or other additive can be added to reservoir 82.
- the selected additive can be added to the reservoir either prior to or subsequent to the filling of the reservoir through use of the fill assembly in the manner described in the preceding paragraphs.
- a functional support 1 16 which is of the character more completely defined in inco ⁇ orated patent 5,41 1 ,480.
- functional support 1 16 can take the form of any one of the functional supports illustrated in Figure 45 of the inco ⁇ orated patent and described therein.
- reservoir 82 is filled either with fluid from the container subassembly of the fill assembly, or from the adding means, or by a combination of both, the fluid will remain in the reservoir until such time as the luer cap 89 is removed from luer assembly 88 so as to open the outlet flow path of the fluid delivery assembly. Once the outlet flow path 120 of the assembly is opened, distendable membrane 66 will tend to return to its less distended configuration causing fluid to flow from reservoir 82 outwardly through flow passageways 81 and 86 and then into the outlet port 120 of the device via the flow control means 90.
- hollow housing 30 includes locking means for locking the housing within receiving chamber 76 of cover 74 after the fill subassembly has been mated with the fluid delivery assembly.
- These locking means are here provided in the form of a series of locking teeth 122 and 124 respectively. As indicated in Figure 7A, these locking teeth and constructed so that they will slide under a flexible locking tab 126, which is provided proximate the entrance of receiving chamber 76, as the adapter subassembly is urged inwardly of receiving chamber 76.
- this viewing means takes the form of an elongated viewing window 130 which is provided in housing 30 ( Figure 1).
- the body portion 16 of the container subassembly is provided with a plurality of longitudinally spaced-apart index lines, or marks 132, which can be viewed through window 130 as the container subassembly is urged forwardly of housing 30 in the manner previously described.
- Index lines 132 provide reference points for observing the volume of fluid remaining within the container subassembly.
- Figures 9 through 10A another embodiment of the present invention is there illustrated. This embodiment is similar in many respects to the embodiment shown in Figures 1 through 8 and, accordingly like numbers have been used to identify like components.
- the stored energy source rather than comprising a distendable membrane, here uniquely comprises an expandable mass such as as a cellular mass of the character designated in the drawings by the numeral 150 ( Figures 9 and 10).
- the fluid delivery apparatus comprises a base subassembly 62, a cover subassembly 64 receivable over base subassembly 62, and the earlier identified stored energy means-for forming in conjunction with base subassembly 62 a fluid reservoir.
- the stored energy means here comprises a resiliently, compressible and expandable cellular mass 150 which, as best seen in Figure 9, overlays upraised portion 68 of base member 70. Disposed between the upper surface 68a of portion 68 and the lower surface 150a of cellular mass 150 is a barrier member 154, the pu ⁇ ose of which will presently be described.
- Cover 64 is provided with an elongated receiving chamber 76 which is adapted to receive the fill assembly of the invention. As before, the fill assembly communicates via passageway 78, 80 and 81 with a fluid reservoir 156 which, as best seen in Figure 10A, is formed between barrier member 154 and the upper surface 68a of portion 68.
- Passageways 78 and 80 are formed within a housing 84 which is of identical construction to that previously described.
- housing 84 also includes an outlet passageway 86 which communicates with a luer assembly 88 via flow control means 90 which are also identical to that previously described.
- the cover subassembly is first removed from the container subassembly in the manner previously described.
- the closure plug 106 of the cover subassembly is next removed and the fill assembly is telescopically inserted into receiving chamber 76 in the same manner as previously described and pushed forwardly to cause the piercing cannula 104 to pierce septum 24.
- a fluid flow path between chamber 18 of container subassembly 16 and reservoir 156 Figure 10A
- a continued movement of the adapter subassembly will cause pusher rod 36 to move plunger 26 forwardly of chamber 18.
- cellular mass 150 as well as barrier member 154 can be constructed from a wide variety of materials.
- barrier member 154 this member can be constructed from any suitable deformable barrier film and, if desired, can be constructed from a number of suitable elastomers of the same general character as those used to construct distendable membrane 66.
- barrier materials can include: Krayton (tradename), styrene-butadien-styrene block copolymer (chemical name), sold by Shell Chemical Company; Urethane sold by Argotec; Polyester, sold by Eastman Kodak, DuPont, Hoechst; Barex, sold by British Petroleum; Elastomers such as fluoroelastomers, fluorosilicone, sold by 3M and Austnont; SaranHB (tradename), polyester/polyadipate copolymer, sold by Dow Chemical; Eypal-F (tradename), polyphophazine fluoroelastomer, sold by Ethyl Co ⁇ ., Gulf South Research Institute or Hygienic; Isobutylene-isoprene, sold by Polysar, Inc.; Neoprene (tradename), polychloroprene latex (chemical name), sold by DuPont.
- Krayton tradename
- reservoir 156 is provided with a second fluid inlet 1 1 1 which communicates with a fluid passageway 1 12.
- Inlet 1 1 1 is sealably closed by an elastomeric pierceable member 1 14 which, as before, can be pierced by fluid delivery means well known in the art, such as a hypodermic syringe 1 15, so that a second fluid or other additive can be added to reservoir 156 in the manner previously described.
- fluid delivery means well known in the art, such as a hypodermic syringe 1 15, so that a second fluid or other additive can be added to reservoir 156 in the manner previously described.
- reservoir 156 Once reservoir 156 is filled either with fluid from the container subassembly of the fill assembly, or from the adding means, or by a combination of both, the fluid will remain in the reservoir until such time as the luer cap 89 is removed from luer assembly 88 so as to open the outlet flow path of the fluid delivery assembly. Once the outlet flow path of the assembly is opened, cellular mass 150 will controllably expand causing fluid to flow from reservoir 156 outwardly through flow passageways 81 and 86 and then into the outlet port 120 of the device via the flow control means 90.
- locking means of the character previously described are provided for locking housing 30 within receiving chamber 76 of cover 74 after the fill assembly has been mated with the fluid delivery assembly.
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- 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
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9612778-3A BR9612778A (en) | 1995-12-22 | 1996-12-23 | Infusion device with filling assembly. |
JP9523808A JP2000502918A (en) | 1995-12-22 | 1996-12-23 | Injection device with filling assembly |
EP96944477A EP0959919A1 (en) | 1995-12-22 | 1996-12-23 | Infusion device with fill assembly |
KR1019980704818A KR19990076704A (en) | 1995-12-22 | 1996-12-23 | Injection device with filling assembly |
AU14364/97A AU726165B2 (en) | 1995-12-22 | 1996-12-23 | Infusion device with fill assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/577,059 | 1995-12-22 | ||
US08/577,059 US5741242A (en) | 1995-12-22 | 1995-12-22 | Infusion device with fill assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997023251A1 true WO1997023251A1 (en) | 1997-07-03 |
Family
ID=24307115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1996/020243 WO1997023251A1 (en) | 1995-12-22 | 1996-12-23 | Infusion device with fill assembly |
Country Status (9)
Country | Link |
---|---|
US (1) | US5741242A (en) |
EP (1) | EP0959919A1 (en) |
JP (1) | JP2000502918A (en) |
KR (1) | KR19990076704A (en) |
CN (1) | CN1209072A (en) |
AU (1) | AU726165B2 (en) |
BR (1) | BR9612778A (en) |
CA (1) | CA2241146A1 (en) |
WO (1) | WO1997023251A1 (en) |
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US9180242B2 (en) | 2012-05-17 | 2015-11-10 | Tandem Diabetes Care, Inc. | Methods and devices for multiple fluid transfer |
US9555186B2 (en) | 2012-06-05 | 2017-01-31 | Tandem Diabetes Care, Inc. | Infusion pump system with disposable cartridge having pressure venting and pressure feedback |
US9173998B2 (en) | 2013-03-14 | 2015-11-03 | Tandem Diabetes Care, Inc. | System and method for detecting occlusions in an infusion pump |
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1995
- 1995-12-22 US US08/577,059 patent/US5741242A/en not_active Expired - Fee Related
-
1996
- 1996-12-23 EP EP96944477A patent/EP0959919A1/en not_active Ceased
- 1996-12-23 BR BR9612778-3A patent/BR9612778A/en not_active Application Discontinuation
- 1996-12-23 WO PCT/US1996/020243 patent/WO1997023251A1/en not_active Application Discontinuation
- 1996-12-23 AU AU14364/97A patent/AU726165B2/en not_active Ceased
- 1996-12-23 KR KR1019980704818A patent/KR19990076704A/en not_active Application Discontinuation
- 1996-12-23 CN CN96199964A patent/CN1209072A/en active Pending
- 1996-12-23 JP JP9523808A patent/JP2000502918A/en active Pending
- 1996-12-23 CA CA002241146A patent/CA2241146A1/en not_active Abandoned
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US5545139A (en) * | 1989-06-16 | 1996-08-13 | Science Incorporated | Fluid container for use with a fluid delivery apparatus |
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Title |
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See also references of EP0959919A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR19990076704A (en) | 1999-10-15 |
AU726165B2 (en) | 2000-11-02 |
CA2241146A1 (en) | 1997-07-03 |
EP0959919A1 (en) | 1999-12-01 |
BR9612778A (en) | 2001-01-02 |
JP2000502918A (en) | 2000-03-14 |
EP0959919A4 (en) | 1999-12-01 |
US5741242A (en) | 1998-04-21 |
AU1436497A (en) | 1997-07-17 |
CN1209072A (en) | 1999-02-24 |
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