Class 604/214 - Mechanical means (e.g., piston, clamp, etc.) moved to collapse reservoir

Subclass of Class 604 - Surgery
Definition: Subject matter including a mechanism operated by a person
No. of patents: 40
Last issue date: 03/04/2008

Number	Title	Issue Date
7337922	Platen pump An infusion pump for expelling a fluid from a collapsible fluid reservoir to a patient. The pump includes a housing having a chamber therein for receiving the fluid reservoir. A first wall is provided on the housing for contacting the fluid reservoir, and a second w...	03/04/2008
7178692	Paste dispenser with center post A method of and apparatus for dispensing paste from a collapsible container elongate about an axis from a first closed end to a second open end, the method comprising rotating one of the first end and second end relative to the other to twist the container about the...	02/20/2007
7101354	Mixing syringe with and without flush A displaceable valved stopper is disclosed which partitions a conventional syringe into proximal and distal chambers to provide a multi-chamber, mixing syringe assembly. Also the valved stopper and a valve assembly are disclosed for use in a single conventional syri...	09/05/2006
7077826	Syringe and method of using Syringes and methods of using are described which protect the syringe barrel cavity from contaminants. A first syringe is formed with a corrugated sheath or non-corrugated sheath which is positioned internal or external to the syringe barrel cavity. A second syringe...	07/18/2006
7011650	Multiple-dose syringe with collapsible container A multiple-dose syringe including a barrel with a closed end and an open end, the closed end having an injection port that may be adapted to receive a needle, or that may be adapted to engage a commercially available needle-less system for fluidly connecting a syrin...	03/14/2006
6948636	Device for administering liquids A device for dispensing liquid from a bag has upper and lower casing halves and a closure holding together the casing halves. A pressure piston in the casing can press the bag against the lower casing half. This piston is operated by a rocking lever having an upper ...	09/27/2005
6926695	Sealant applicator and method employing impulse clearing A sealant applicator suitable for dispensing a coagulable sealant, for example a two-component fibrin sealant mixed in the applicator, employs impulse clearing to remove residual coagulated or coagulating material from the dispensing pathway and mixing chamber, if p...	08/09/2005
6364860	Resettable display of a device for metered administration of a fluid drug A resettable display of a device for metered administration of a fluid drug, comprising a housing, a fluid container containing the fluid and provided in or on said housing, an actuating device shiftably mounted by a length in or on said housing, which, u...	04/02/2002
6077252	Single or multiple dose syringe An improved single- or multiple-dose syringe having a conventional housing and an improved plunger configuration carrying a medicament- or saline-filled cartridge the contents of which are sequentially dispensed after the dispensing of a volume of a drawn...	06/20/2000
5891102	Self-administration device for liquid drugs A self-administration device includes a cylindrical casing opened at one end but closed at the opposite end. The closed opposite end is provided with a drug inflow port and a drug outflow port. An easily deformable and restorable reservoir is housed in th...	04/06/1999
5836922	Container for delivery of flowable material A container for delivery of flowable material has a plastic, deformable container body which can be compressed in its longitudinal direction and a neck of smaller diameter attached to one body end with formation of a projection. The delivery through the n...	11/17/1998
5337925	Injection device for injecting a fluid into food This injection device comprises a housing having a handgrip for operating it. A collapsible fluid container is adapted to fit in the housing under the pressure element of the handgrip. The container has a fill opening with a closure and an injection stem ...	08/16/1994
5330427	Prefilled suppository applicator This invention relates to a suppository applicator adapted for administering medicament in a suppository form to a body cavity. More particularly, it relates to a one-piece injection molded article having a main body portion and a flexible chamber whereby...	07/19/1994
5328477	Liquid infusion system A liquid infusion system includes a flexible, flat, collapsible bag for storing liquid. An outlet communicates with the bag and a valve is used to control liquid outflow through the outlet tube. A rigid housing encloses the bag with the outlet tube projec...	07/12/1994
5226572	Bulb actuator for dropper closure A bulb actuator for a dropper closure wherein an overcap is mounted on the dropper closure. A bulb squeeze member is slidably mounted in the overcap and has a pair of fingers engaging and straddling the bulb. The fingers are cammed inwardly to squeeze the...	07/13/1993
5213566	Prefilled suppository applicator This invention relates to a suppository applicator adapted for administering medicament in a suppository form to a body cavity. More particularly, it relates to a onepiece injection molded article having a main body portion and a flexible chamber whereby ...	05/25/1993
4909790	Liquid infusion device A liquid infusion device comprises a bladder assembly and a flow-regulating portion. The bladder assembly comprises a tubular outer shaft, an inner shaft slidably received within the outer shaft and a bladder covering the outer and inner shafts. The bladd...	03/20/1990
4880409	Feeding device A device for feeding a dosage of mashed food into the mouth of a patient. The device consists of a spoon-like feeding head (10) having an internal feeding channel (11), which is connected to a tubular, flexible container (20). The latter can be compressed...	11/14/1989
4781689	Spring-operated liquid-dispensing device A housing having exterior lateral side walls, top and bottom side walls and a single internal wall running adjacent to a lateral side wall. The housing defines an internal rectangular compartment and a parallel side track between the adjacent internal and...	11/01/1988
4738379	Cartridge and its extractor A cartridge holds liquid, fluid or semi-fluid substances in tubes, and the cartridge is set in an extractor. The cartridge can all extract the charged substance, prevent it from flowing out, and extract the substance quantitatively. Another embodiment of ...	04/19/1988
4692157	Squeeze-actuated syringe with position-selectable lock A squeeze-actuated syringe includes a longitudinal body adapted to receive a collapsible ampul. A handle is attached by a hinge to one end of the body, the other end of which is adapted to receive a fitting on the ampul. The handle has a projection or pad...	09/08/1987
4674655	Volume-variable container for fluids A variable-volume container for fluids that is formed of a body portion and two end portions. The body portion comprises four rigid walls with each wall being joined to the next adjacent wall by a longitudinal fold line to permit collapsing of the contain...	06/23/1987
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, to which it is releasably attached. It comprises hinged pla...	02/24/1987
4581021	Squeeze-actuated syringe A syringe for use with collapsible ampoules pre-filled with a liquid medicament includes a body that forms an open receptacle for the ampoule and a handle attached by a hinge to one end of the body so as to be in opposed relationship with the ampoule. The...	04/08/1986
4557728	Spring-operated liquid-dispensing device Involved is a device, noteworthy by its compact construction, portability and use of a cooperating pair of constant torque springs to dispense liquid under a uniform force, in which any binding in the slide that is urged through movement by the torque spr...	12/10/1985
4543096	Eyedrop dispenser with eyelid opening means An eyedrop dispenser is disclosed which includes a plastic squeeze bottle having a dispensing nozzle at one end. A collar overfits the dispenser end of the bottle and carries a pair of cooperating, forwardly extending fingers for eyelid contacting purpose...	09/24/1985
4500308	Autotransfusion device with twisted collection bag An autotransfusion device having a rigid cylindrical housing with an end wall, a movable piston located in the housing, and a deformable collection bag attached between the end wall and the piston is disclosed. When the piston is moved towards the end wal...	02/19/1985
4457752	Surgically implantable pump An internally powered pump is surgically implanted to eject liquid under control of the experimenter. The pump reservoir is flexible and contains the liquid to be ejected. The reservoir is collapsed by a piston which is pushed by a compressed spring. The ...	07/03/1984
4447232	Spring-operated liquid-dispensing device A device, noteworthy by its compact construction, portability and use of a constant torque spring to dispense liquid under a uniform force, in which binding due to possible rotative movement in the slide that is powered by the torque spring is obviated, s...	05/08/1984
4325369	Disposable container for a syringe A disposable container for forming the end wall of the open end of a barrel of a syringe and for being retained thereon by the resilient interaction of a surface of the barrel and the resilient periphery of a circumferential flange at the intersection of ...	04/20/1982
4245639	Self-inflating urinary catheter A self-inflating urinary catheter which includes a retention balloon has a fluid reservoir communicating with the balloon, a wall in the reservoir comprising an elastic membrane arranged to retain fluid in an unpressurized state, a plunger arranged to dep...	01/20/1981
4236516	Syringe and disposable container therefor In a syringe comprising a barrel and a plunger reciprocably mounted therein the end wall of the barrel at the discharge end thereof is formed by a disposable container removably attached to the barrel. A flexible wall portion of the container facing the p...	12/02/1980
4227534	Self-inflating urinary catheter A self-inflating urinary catheter which includes a retention balloon has a fluid-filled, unpressurized, deformable reservoir communicating with the balloon. An elastic diaphragm is arranged to squeeze the reservoir against another surface so as to pressur...	10/14/1980
4131217	Device for emptying a container A device for emptying a container of the type comprising two domed parts of different stiffnesses sealed along a joint and having an outwardly directed flange adjacent the joint. A holder for the container has an opening and a member defining a gap to pos...	12/26/1978
4112949	Apparatus for collecting body fluid Apparatus for collecting body fluid utilizes a condition of negative pressure in a chamber for drawing body fluid from an area of a wound at a relatively constant flow rate. The apparatus includes a piston assembly movable in a housing from a first to a s...	09/12/1978
4072249	Container suitable for smaller quantities of fluid or semi-fluid substances A container for dispensing fluid and semifluid liquids and pastes, such as for medicinal use, is provided with a top flexible dome and a bottom dome which may or may not be flexible. The contents which are stored in the space between the two domes is sque...	02/07/1978
4043042	Applicator for tooth sealant The specification describes an applicator for the treatment of teeth with small amounts of polymerizable material. The applicator is in the form of an elongated member having an applicator head which contains a chamber enclosing a similarly-shaped resilie...	08/23/1977
3998223	Syringe apparatus A modified hand-held syringe suitable for medical and biological purposes ving a disposable resilient balloon-like diaphragm for advantageously assuring the delivery of fluid at a more even pressure than that attained by thumb pressure applied to a non-mo...	12/21/1976
3930761	Portable and manually operable peristaltic pump A peristaltic pump comprising a portable housing capable of being held in the hand and which carries means defining an elongated surface, a tube leading past the housing in contact with the elongated surface that includes near one end of the housing, a no...	01/06/1976

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Class 604/214 - Mechanical means (e.g., piston, clamp, etc.) moved to collapse reservoir