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Class 604/253 - Having drip sensor


Subclass of Class 604 - Surgery
Definition: Subject matter wherein a sensing mean detects a condition
No. of patents: 86
Last issue date: 10/18/2011


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NumberTitleIssue Date
8038657Systems and methods for providing an IV administration set incorporating drip monitoring circuitry
A circuitry for counting drips and monitoring a rate of infusion is incorporated into an IV administration set. The circuitry includes a pair of leads that are positioned in the pathway of fluid droplets, such that each droplet simultaneously contacts both leads. As...
10/18/2011
7918834Drop counter
A liquid flow control system for use with infusion sets of the type comprising a liquid supply, a drip chamber 8 downstream of the liquid supply for forming liquid drops and a flexible tube 7 connecting the drip chamber with an injection needle, the sy...
04/05/2011
7819847System and methods for administering bioactive compositions
Bioactive agents are dosed by a jet dispenser using inkjet technology, such as that used in printing devices. A controller may control delivery of one or more drugs, timing of drug administration, or change drug regimens in response to a changing medical condition o...
10/26/2010
7327273Fluid monitoring device
This invention relates to a device to monitor the administration of a fluid through a conduit, such as intravenous fluid, and detect the completion of fluid delivery by monitoring the fluid level inside a chamber. The device will monitor, through an optical fluid se...
02/05/2008
7299944Fluid dispenser calibration system and method
A system and method for calibrating fluid detects an actual fluid dispensing characteristic, such as dispensing speed, and automatically adjusts the dispensing characteristic to match an ideal dispensing characteristic. The adjustment is conducted by a controller th...
11/27/2007
7255680Positive pressure infusion system having downstream resistance measurement capability
A fluid delivery system includes a first fluid container having infusion fluid for a patient. The first fluid container has an outlet and a conduit attached to the outlet. A second fluid container applies pressure to the first fluid container to force fluid out of t...
08/14/2007
7252212Long-term liquid storage and dispensing system
A liquid storage and dispensing system, and methods for its use in the storage, shipping, and accurate dispensing by manual or automated methods, of, for example, precious biologic samples such as protein, DNA or RNA, with minimal contamination, oxidation, and evapo...
08/07/2007
7190275Drip rate monitor for intravenous infusion set
An apparatus for monitoring the drip rate of an infusion fluid being administered by an intravenous infusion set comprising a housing, drop sensor, alarm and processor. The housing is attachable to a drip chamber, and the drop sensor is positioned in the housing to ...
03/13/2007
7147014Smart tree stand with water filling device
A smart water filling device comprising: a vessel, having an outlet and a space extended outwardly from one side of the vessel; a tube, one side coupled to the outlet; a float device, having a housing and a float, wherein the float is disposed inside the housing and...
12/12/2006
7107837Capacitance fluid volume measurement
A fluid volumetric pumping system has a fluid pump and capacitor plates disposed around a pump chamber of the fluid pump. The capacitance between the capacitor plates changes as the volume of fluid in the pump chamber changes. An electrical circuit measures a change...
09/19/2006
6929235Apparatus for flow rate control
A clamp having a first clamp body, a second clamp body, and a clamping structure coupled to at least one of the first and second clamp bodies. One or both of the clamp bodies form a channel adapted to receive a tube. The clamping structure is movable in the channel ...
08/16/2005
6877877Single intraveneous drip component illumination device
A single intravenous drip components illumination device containing a source of light that can illuminate IV bags or bottles, drip chambers and tubing. The directed light of the light source provides adequate lighting for use of the invention in unlit or dimly lit s...
04/12/2005
6824528Method and apparatus for pressure infusion and temperature control of infused liquids
A method and apparatus for pressure infusion and temperature control of infused liquids includes a receptacle for receiving a liquid-filled bag containing intravenous solution or other liquid and an inflatable pressure device. The inflatable pressure device is dispo...
11/30/2004
6736801Method and apparatus for monitoring intravenous drips
A method and apparatus for monitoring intravenous drips by the transmission and detection of a signal, for example a red light, through a fluid flow passage whereby detection of a signal of a given intensity activates an audible or visual indicator. A bracket is att...
05/18/2004
6679865Fluid flow meter for gravity fed intravenous fluid delivery systems
The present invention is a flow metering system for accurately metering and regulating the flow rate of fluid in a gravity fed intravenous fluid delivery system. The fluid flow is directed through a flow path guide that is suspended at an angle from one e...
01/20/2004
6673052Nonreturn warning device for an intravenous drip infusion
The present invention relates to a nonreturn warning device for an intravenous drip infusion which includes a top member and a bottom member both of which forms an accommodation which has an inlet pipe and an outlet pipe at the top and bottom thereof. The...
01/06/2004
6599282Intravenous set flow volumetric measurement device
A method and device for volumetric measurement of a drop of fluid administered in a gravity intravenous set. Radiation, preferable infrared light is passed through from the exterior of the drip chamber of the intravenous set and is detected and quantified...
07/29/2003
6575943Prewarning device for instillation of medical liquid
A prewarning device for instillation of medical liquid includes a throttling cylinder having a tubular needle connected to an open top thereof. A pointed head portion of the tubular needle is inserted into a medical liquid bottle for the medical liquid to...
06/10/2003
6571644Method and device for determining the filling level for the ascertainment of the simmering process of mineral oil products
The invention describes a method and a device for determining a filling level and can be applied to the ascertainment of the simmering process of mineral oil products. The method is characterized that by means of at least two stationary sensors, a first f...
06/03/2003
6562012Apparatus and method for measuring drop size in an intravenous drip chamber
A capacitive-based apparatus for measuring the volume of a fluid drop passing through an intravenous drip chamber. The apparatus includes a capacitor comprising two parallel plates that are a fixed distance apart and are positioned such that the fluid flo...
05/13/2003
6558346Automatic control-type, portable intravenous infusion apparatus and jacket therefor
The automatic control-type, portable intravenous infusion apparatus includes an infusion liquid container to which an infusion liquid tube is connected, pressurize it, the infusion liquid tube being provided with a drip-monitoring tube, a connector and an...
05/06/2003
6159186Infusion delivery system
Apparatus for providing control of infusion delivery using conventional infusion fluid bags includes an air bag which is pressurised by a pneumatic pump. A digital camera or imaging device is able to analyse drops passing through a drop chamber, by captur...
12/12/2000
6120475Infusion bottle monitor device
An infusion bottle monitor device has an electric circuit module, a sensing module, and a wire connected to the electric circuit module and the sensing module. The electric circuit module has a microprocessing system. The sensing module has a sensing syst...
09/19/2000
6102678Peristaltic pump
The invention is a peristaltic pump having a particularly simple construction and a low axial bulk. The pump (1) includes a rotor (20) having rollers (21,22,23) which roll against a tube (14) containing the liquid to be pumped. The compression of the tube...
08/15/2000
6083206Intravenous infusion flow rate monitoring device
An infusion monitoring device including a programming console with a data input unit for inputting infusion parameters, a calculating unit for preconditioning the parameters, and an output interface for said parameters. The programming console may be used...
07/04/2000
5982289Drip counter apparatus
In apparatus for counting a succession of falling liquid drops having teardrop shape, with a downwardly convex down side, the combination that includes a beam provider for providing a beam of electromagnetic radiation to sidewardly pass into the drop at i...
11/09/1999
5938643Drop monitoring unit for infusion sets
A drop monitoring unit for monitoring the rate of drop formation in an infusion set includes an attaching section at its upper end for attaching the drop monitoring unit to the inlet tube of the infusion set, and a pair of spaced parallel arms depending b...
08/17/1999
5899665Method and apparatus for controlling infusion volume
A flow sensor detects drops of infusion fluid that enter the drip chamber of an infusion system and generates a drop-detection signal indicating each drop detected. A setting controller receives the drop-detection signals from the flow sensor and counts t...
05/04/1999
5562615Free flow detector for an enternal feeding pump
An enteral fluid infusion system wherein fluid is pumped through a conduit from a fluid supply source to a patient by a rotary peristaltic pump operating in an intermittent duty cycle mode which includes a free flow detector. The free flow detector includ...
10/08/1996
5411052Liquid supply apparatus
Liquid supply apparatus is disclosed for controlling the supply of liquid to humidifier apparatus. The liquid supply apparatus has a chamber with an inlet through which a liquid such as water is supplied to the chamber. The chamber has a flow detector to ...
05/02/1995
5346466Drop detection method and apparatus
A drop detector circuit and method are provided for a drop detector of the type including a drop chamber and an electro-optical sensor. A detector detects drops passing through the drop detector in an optical sensing path between the detector and at least...
09/13/1994
5254102Apparatus for controlling the rate of dripping of intravenous fluid
An apparatus for controlling the rate of dripping of an intravenous fluid, comprising (i) a drip-detecting device for detecting that an intravenous fluid has dripped into a drip-feed bottle, (ii) a clock for measuring time and indicating the current time,...
10/19/1993
5186057Multi-beam liquid-drop size/rate detector apparatus
An apparatus for liquid flow detection especially adapted for use with an IV administration set includes an energy beam emitter device and an energy beam detector device. A drip chamber is connected in flow communication with a fluid reservoir of the IV a...
02/16/1993
5152424Drop counting system
An electronic apparatus for counting and recording a number of drops of fluid. The preferred embodiment of the invention is configured as a molded receptacle housing for receiving a commercially available eyedrop bottle in which the cap has been replaced ...
10/06/1992
5088990I.V. alert system
An intravenous alert system that uses CMOS circuitry. An infrared transmitter and receiver detects drops as they fall through a drip chamber. Each passing drop retriggers a counter. If the counter is not retriggered after a certain set delay time an alarm...
02/18/1992
5045069Portable infusion monitor
A portable, self contained, infusion monitor is disclosed which can be easily and quickly attached to the drip chamber of an IV set. The monitor detects each drop of liquid falling through the drip chamber and calculates the volumetric flow rate of liquid...
09/03/1991
5012496Drop counting system
An electronic apparatus for counting and recording a number of drops of fluid. The preferred embodiment of the invention is configured as a molded receptacle housing for receiving a commercially available eyedrop bottle in which the cap has been replaced ...
04/30/1991
5002539IV rate meter
A rate meter for use with an IV fluid administration system having a vertical transparent drip chamber, the rate meter having an elongated housing having a notch therein for receiving the drip chamber, and a spring bias moveable portion which engages the ...
03/26/1991
4936828Liquid drop image sensor
A liquid drop images sensor for determining the volume of liquid drops comprises a light source and an array of optical sensors which receive light energy from the source. The array is positioned relative to the source to establish a passageway therebetwe...
06/26/1990
4909797Enteral delivery set with shaded drip chamber
A drip chamber for an enteral nutrition system having an optical drip detector is provided with an opaque upper portion to reduce the amount of ambient light entering the optical sensor for the drip detector....
03/20/1990
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