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Document |
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4813951 |
Self-actuated implantable pump
An implantable pump, actuated by the patient in whom the pump is implanted, to provide pain relief and/or other therapeutic benefits. There is disclosed a fully implantable pump system, including a...
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4802885 |
Self sealing subcutaneous infusion and withdrawal device
The self-sealing subcutaneous infusion and withdrawal device or septum includes a cup-shaped needle stop member that defines a fluid chamber having a fluid transfer opening. A jacket envelops the...
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4781688 |
Dispensing device for a liquid medicament
A dispensing device for a liquid medicament has a cylindrical support formed on a base which receives an application part fitted into this support and costituting a projection from a cover. An...
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4772263 |
Spring driven infusion pump
An implantable infusion pump (20) for infusing drugs or other chemicals or solutions into the body. A flexible spring diaphragm (25) forms an outer back wall portion (26) of a housing (22) of the...
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4722732 |
Intravenous fluid supply system
An intravenous fluid system incorporates an elastomeric reservoir in which the intravenous fluid is retained under pressure and fed at a controlled rate to a cannula which is inserted into the...
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4692151 |
Parenteral fluid medication reservoir pump
A parenteral fluid medication pump comprises a reservoir filled with a fluid medication, and a needle insertable into a patient. The medication is continuously discharged in small doses over an...
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4650471 |
Flow regulating device for peristalitic pumps
The present invention provides a pumping chamber to be constructed as follows: A collapsible tubing is attached to an inlet fitting and to and outlet fitting to transport a biologic fluid such as...
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4645486 |
Device for drawing and processing blood and for administering liquid via parenteral injection
This invention relates to a "plungerless" means of drawing blood and for administering liquids via parenteral injection. This means is used in conjunction with a pouch bearing an injection means,...
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4487336 |
Syringe closure assembly with attachable nozzle
This invention discloses a syringe closure used with a nozzle and flexible bag in which fluid is initially flowed. This closure apparatus includes a retainer ring of generally tubular and tapered...
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4444548 |
Suction apparatus
Suction apparatus for use in draining fluids from operative wounds or other body cavities includes a housing having a vacuum chamber, at least a portion of which serves as a storage compartment for...
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4425117 |
Device for the release of substances at defined locations in the alimentary tract
A device for the release of a substance at a defined or desired location in the alimentary tract. The device has a capsule having a separating wall therein, which forms a first chamber and a second...
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4419096 |
Elastomeric bladder assembly
Elastomeric bladder assemblies designed for operation at constant pressure to maintain a constant dispensing rate for the contents exhibit a pressure spike shortly before the end of the duty cycle....
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4386929 |
Elastomeric bladder assembly
The bladder assembly of this invention has spaced apart inlet and outlet means and the bladder is capable of expanding and contracting radially and axially upon inflation and deflation. When...
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4324242 |
Feminine syringe
A two-step release valve unit for a feminine syringe wherein a valve member and nozzle serve to open and close a dispensing port for an expandable syringe bag. The valve unit includes a slidable...
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4209014 |
Dispensing device for medicaments
An implantable device for dispensing a medicament in two modes; a basal delivery rate and an augmented rate. The device includes a permeable elastic material adapted to be repeatedly compressed by...
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4201207 |
Bladder for liquid dispenser
An improvement in liquid dispensers, especially those used to infuse liquid drugs into patients, that dispense liquid under pressure from an expansible, elastomer bladder is disclosed. The...
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4140117 |
Cartridge for liquid infusion apparatus
A removable cartridge that is used in combination with a liquid drug infusion apparatus that comprises a housing that defines an inlet and outlet and has a recess for receiving the cartridge, a...
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3993069 |
Liquid delivery device bladder
An improvement in liquid dispensers, especially those used to infuse liquid drugs into patients from an expansible elastomeric bladder of specific geometry and elastomeric properties, is disclosed....
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3895631 |
Liquid infusion unit
An improved infusion unit for intramuscular, subcutaneous intravascular delivery of liquid drug to a patient is disclosed and includes (a) a compartmented housing carrying a (b) removable,...
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3698595 |
PRESSURIZED DISPENSER
A resilient bladder-type dispenser wherein the bladder, when empty, is prestressed over a mandril extending into the dispenser. The bladder is provided with a flexible, flat bottom wall which is...
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3677444 |
MICROPUMP
A pump for delivering liquid at a relatively constant rate from a chamber having a compliant membrane wall which exerts a substantially constant resistive force when expanded under a pressure...
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3675658 |
CATHETER WITH VALVED FLUID RESERVOIR
In a self-inflating catheter provided with a reservoir of fluid under pressure, the reservoir is provided with internal slit valves, opening by distortion under digital pressure, to control the...
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3506005 |
PRESSURE INFUSION DEVICE FOR MEDICAL USE
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3496937 |
HYPODERMIC SYRINGE
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3486539 |
LIQUID DISPENSING AND METERING ASSEMBLY
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3469578 |
INFUSION DEVICE FOR AMBULATORY PATIENTS WITH FLOW CONTROL MEANS
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3468308 |
PRESSURE INFUSION DEVICE FOR AMBULATORY PATIENTS WITH PRESSURE CONTROL MEANS
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3412906 |
Plasma infusor
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3401698 |
Inflation attachment for inflatable bag catheter
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