Class / Patent application number | Description | Number of patent applications / Date published |
604114000 | Electric means | 34 |
20080208121 | Method for creating a channel through a foreign material - A method for creating a channel through a foreign material located in a body of a patient, the foreign material defining a material first surface and a substantially opposed material second surface, the channel extending through the foreign material between the material first and second surfaces, the method using an apparatus including a substantially elongated member defining a proximal end region and a substantially longitudinally opposed distal end region, the apparatus including an electrode located about the distal end region, the method comprising: introducing the distal end region into the body of the patient; positioning the electrode substantially adjacent to the material first surface; energizing the electrode with a radiofrequency current; and using the electrode energized with the radiofrequency current to deliver energy into the foreign material to create the channel. | 08-28-2008 |
20080228142 | PORTABLE INTRAVENOUS FLUID HEATING SYSTEM - The present invention discloses a portable intravenous fluid heating system comprising (a) a metallic heated conduit for warming IV fluids passed therethrough at a continuously regulated normal body temperature and transporting said IV fluids; and, (b) a controller unit including a power source operative to apply an electric potential across said conduit. The conduit comprises a wall made of a metallic material capable of producing resistance heat by the passage of electric current, such that said IV fluid is heated by the contact with said wall. | 09-18-2008 |
20080281268 | Portable Device for Heating Up Intravenous Fluids - A system is disclosed for heating a flow of intravenous fluid comprising an intravenous tube ( | 11-13-2008 |
20080300540 | Injector and thermal jacket for use with same - An apparatus for injecting a material comprising an injector barrel in communication with a delivery needle and a plunger, wherein at least a portion of the plunger is slidably disposed within a proximal portion of the injector barrel, and a proximal end of the delivery needle is in communication with a distal end of the injector barrel, and a thermal jacket surrounding at least a portion of the length of the injector barrel is disclosed. The thermal jacket may be used to regulate the temperature of the material to be delivered. | 12-04-2008 |
20090082726 | Infusion Fluid Heating Apparatus - An infusion fluid heating apparatus applicable to various types of infusion tube with different length dimensions includes a front-side tube fitting groove or a rear-side tube fitting groove formed on one of surfaces of a heating plate that receives an infusion tube in a first length between an inlet opening and an outlet opening open at the end surfaces of the heating plate. The groove also receives the infusion tube in a second length shorter than the first length. Therefore, the groove uses the second length for a relatively short infusion tube, capable of heating the tube appropriately and achieving high versatility. In addition, the tube fitting groove uses the first length for an infusion bag with a relatively long infusion tube, capable of heating the tube appropriately and increasing the maximum infusion fluid flow. | 03-26-2009 |
20090149811 | FLUID VOLUME MEASUREMENT DEVICE FOR MEDICAL USE - Medical device for the delivery and/or the extraction of fluid to and/or from a patient, said medical device comprising a pumping unit ( | 06-11-2009 |
20090287150 | Universal Rechargeable Limited Reuse Assembly For Ophthalmic Hand Piece - The present invention is a universal limited reuse assembly for an ophthalmic hand piece having a power source for providing power to a tip segment, a controller for controlling the operation of the tip segment, a motor with a shaft, a mechanical linkage interface located on an end of the shaft, an interface for connecting the limited reuse assembly to the tip segment, and a housing at least partially enclosing the power source, the controller, and the motor. The limited reuse assembly is connectable to and removable from two or more types of tip segments. Each of the two or more types of tip segments is configured to perform a different procedure. | 11-19-2009 |
20100057003 | Drug Heating Cycle Limiter For Injection Device - An injection assembly includes a dispensing chamber housing, a temperature control device, a thermal sensor, a switch, and a controller. The dispensing chamber housing has an inner surface and an outer surface. The inner surface partially defines a dispensing chamber for receiving a quantity of a substance. The temperature control device at least partially surrounds the dispensing chamber housing and alters a temperature of a substance in the dispensing chamber. The thermal sensor is located near the temperature control device and reads a temperature near the temperature control device. The switch is coupled to the temperature control device. The controller controls the temperature control device and the switch such that a first voltage is applied to the temperature control device until the temperature control device reaches a desired temperature, and a second voltage is applied to the temperature control device thereafter to maintain the temperature control device at the desired temperature. | 03-04-2010 |
20100106089 | Temperature control device and thermal sensor assembly for medical device - A dispensing assembly has a dispensing chamber housing, a temperature control device, a thermal sensor, and an interface. The dispensing chamber housing has an inner surface, an outer surface, and a wall thickness. The inner surface partially defines a dispensing chamber for receiving a quantity of a substance. The temperature control device at least partially surrounds the dispensing chamber housing. The temperature control device alters a temperature of a substance in the dispensing chamber. The temperature control device and the thermal sensor are located on a substrate. The substrate is wrapped around an exterior surface of the dispensing chamber housing. The interface is connected to the temperature control device and the thermal sensor. An interface connector is connected to the interface. The distance between the temperature control device and the thermal sensor is approximately equal to the wall thickness of the dispensing chamber housing. | 04-29-2010 |
20100145272 | Wax Micro Actuator - An actuator comprises a cavity containing a working medium that reversibly expands as it undergoes a phase change from a solid to a liquid state, a diaphragm disposed adjacent the cavity such that expansion and contraction of the expandable working medium causes the diaphragm to deflect, and a semiconductor element disposed in the cavity, wherein the semiconductor element is adapted to heat the working medium to cause it to undergo the phase change into the liquid state. The actuator may be used in a pump for an infusion system. | 06-10-2010 |
20100145273 | Method for producing a heating device having a heating profile for medical instruments and a heating device produced by that method - A method for producing a temperature control means ( | 06-10-2010 |
20100168671 | Method 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 disposed within a pressure device bag and is positioned proximate the liquid-filled bag in the receptacle. The inflatable pressure device expands within the pressure device bag upon inflation and exerts pressure on the liquid-filled bag. A heating element may be disposed on the inflatable pressure device bag to heat the liquid-filled bag to a desired temperature. The liquid may alternatively be maintained at a desired temperature, while flowing to a patient via a heating assembly disposed along a tube. The heating assembly includes a sleeve having a slot for receiving the tube and a plurality of individually controlled heaters. An infrared sensing device is mounted proximate a drip chamber to ascertain a drip count, while a temperature sensor is disposed within a holder that is positioned toward the entry site on a patient. A heat controller controls the heaters based on a drip count, while a safety controller disables heater operation in response to liquid temperature exceeding the desired temperature. Thus, the safety controller and heat controller, in combination, control the heating assembly heaters based on liquid temperature and flow rate, respectively. Alternatively, the liquid-filled bag may be heated to a desired temperature whereby the heating assembly includes a single heater controlled by a controller to maintain the liquid at the desired temperature during infusion of the liquid into a patient. | 07-01-2010 |
20100174237 | Skin cooling apparatus and method - Skin cooling apparatus is provided for use with a medical treatment device such as a hypodermic syringe or a skin ablation laser or other electromagnetic source. The skin cooling apparatus provides selective, localized cooling of the target area that is acted upon by the medical treatment device. Included is a support body engaging at least a portion of the medical treatment device, for supporting and orienting the medical treatment device to the target area. A solid state cooling device such as a thermoelectric or Peltier device is carried by the support body and includes a cooling surface facing the target area of a patient's skin surface. The support body may be flexible so as to allow the medical treatment device to be inclined relative to the skin surface. The support body may also include aiming structure for directing the medical treatment device to a particular point within the target area. | 07-08-2010 |
20100222740 | REPLACEABLE HEATING CARTRIDGE FOR USE WITH A WARMING DEVICE FOR MEDICAL TREATMENT - A replaceable heating cartridge for use with a warming device to heat or warm a fluid. The replaceable heating cartridge comprises a heater having first and second sides, a first connecting portion to receive a fluid from an external source, a second connecting portion to supply a heated fluid, a plurality of barrier members disposed on each side of the heater, and a pair of cover members. Each cover member is disposed on one side of the heater and configured to couple to each other with the heater and the barrier members therein between to form a body with a fluid path. The fluid path wraps around the heater multiple times to warm the fluid flowing through the fluid path from the first connecting portion to supply the heated fluid at the second connecting portion. An air filter is disposed on the fluid path to remove air from the fluid. Preferably, one of the cover member further comprises a plurality of openings to discharge the air removed from the fluid by the air filter. | 09-02-2010 |
20100280454 | METHOD AND APPARATUS FOR WARMING OR COOLING A FLUID - A method and system for heating or cooling a fluid to be delivered into the body of a patient is provided and may include a controller and a fluid delivery line assembly. The fluid delivery line may include sterile fluid pathway and for communicating a fluid from a source to a destination, one or more terminating connectors, and an integral resistance element for producing heat in response to electrical current. The fluid delivery line may also include one or more thermal sensor positioned within the fluid pathway for detecting and reporting the temperature of the fluid being delivered. The controller may include an embedded control/feedback logic program with novel heat balance algorithm to precisely control the amount of heat applied to the fluid. The fluid delivery line assembly may be disposable with at least one of the thermal sensors being reusable while maintaining sterility within the fluid pathway. | 11-04-2010 |
20100305504 | SYRINGE SET AND HEATING DEVICE FOR SAME - A syringe set includes a syringe and a heating device. The heating device includes a heating module in thermal engagement with the syringe and a body supporting the heating module. The heating module includes a first electrode, a second electrode and a heating element. The heating element includes a plurality of carbon nanotubes forming at least one electrically conductive path. The first electrode and the second electrode electrically connect with the carbon nanotubes. | 12-02-2010 |
20110166518 | APPARATUS AND METHODS FOR TREATING HOLLOW ANATOMICAL STRUCTURES - A method of performing therapy on tissue using a medical apparatus. The apparatus includes a shaft configured for insertion into a hollow anatomical structure (HAS) and has a tissue sensor and a therapeutic energy application device both located on the shaft. The method comprises: receiving electrical power at a first power level and directing the first-level power to the tissue sensor and not to the therapeutic energy application device, thereby enabling tissue sensing with the tissue sensor; receiving electrical power at a second power level higher than the first-level power; and, in response to receipt of the second-level power, directing the second-level power to the therapeutic energy application device, thereby enabling performance of therapy on the tissue with the therapeutic energy application device. Additional methods and apparatus are disclosed as well. | 07-07-2011 |
20110166519 | APPARATUS AND METHODS FOR TREATING HOLLOW ANATOMICAL STRUCTURES - A method of performing therapy on tissue using a medical apparatus. The apparatus includes a shaft configured for insertion into a hollow anatomical structure (HAS) and has a tissue sensor and a therapeutic energy application device both located on the shaft. The method comprises: receiving electrical power at a first power level and directing the first-level power to the tissue sensor and not to the therapeutic energy application device, thereby enabling tissue sensing with the tissue sensor; receiving electrical power at a second power level higher than the first-level power; and, in response to receipt of the second-level power, directing the second-level power to the therapeutic energy application device, thereby enabling performance of therapy on the tissue with the therapeutic energy application device. Additional methods and apparatus are disclosed as well. | 07-07-2011 |
20110288480 | DIALYSIS MACHINE HAVING MULTI-INPUT VOLTAGE CAPABLE HEATER - A medical fluid heating system operable with different supply voltages including first and second heater elements: first and second power lines, first, second and third switches in electrical communication with the first and second power lines, the switches configured such that (i) in a first switch state the first and second heater elements are placed in series, solely via a closing of the first switch, for operation with a first supply voltage applied to the first and second power lines, and (ii) in a second switch state the first and second heater elements are placed in parallel, via the second and third switches, for operation with a second supply voltage applied to the first and second power lines, and a control element configured to automatically set the switches in the first or the second switch state based upon a signal sent to the control element indicative of the first or the second supply voltage. | 11-24-2011 |
20110319818 | ELECTRIC MOXIBUSTION DEVICE | 12-29-2011 |
20120078178 | ELECTRICAL POWER SOURCE FOR AN INTRAVENOUS FLUID HEATING SYSTEM - An apparatus heats fluids. A number of lithium-ion cells are positioned within a housing. A first connector is positioned on a first end of the housing and operably connected to the number of lithium-ion cells. The first connector is configured to receive electrical power from a power source. A second connector is positioned on a second end of the housing and operably connected to the number of lithium-ion cells. A heating element has a tube for transferring fluid. The heating element is configured to connect to the second connector. A controller is positioned within the housing and operably connected to the number of lithium-ion cells and the second connector. The controller is configured to monitor a rate at which the electrical power is received by the heating element and limit an amount of the electrical power received by the heating element when the rate reaches a predetermined level. | 03-29-2012 |
20120203176 | INTRAVENOUS FLUID WARMING SYSTEM - A fluid warming device may include a housing comprising a main body, a heat exchange body receiving compartment, and a cover movably coupled to the main body between an open position and a closed position; a heater assembly disposed within the main body and having a heat conducting surface disposed proximate the heat exchange body receiving compartment; and a heat exchange body removably disposable in the heat exchange body receiving compartment of the main body and having an input port and an output port to couple the heat exchange body to tubing to flow a fluid to be warmed through the heat exchange body. In another aspect, a fluid warming system increases or decreases power to a heater assembly to adjust the fluid temperature to ensure that the fluid is at an appropriate temperature when it reaches the patient. | 08-09-2012 |
20120220938 | INTRAVENOUS FLUID HEATER - A compact and highly efficient intravenous fluid heater includes a heat exchanger assembly, sensors for sensing respective temperatures of entering and exiting fluids of the flow path, a controller for controlling the heat generated by the heat exchanger assembly, based upon the temperatures of the exiting fluids, heating of the fluid in the flow path by the heating element so as to cause the fluid in the flow path to be substantially uniformly heated to a desired infusion temperature prior to exiting the heater. The heat exchanger assembly uses thin film heating elements having a predetermined set temperature and that transfers heat directly to a standard intravenous tube coil wrapped around the battery housing. The intravenous fluid heater is located in a housing with the intravenous fluid lines extending there from for standard connection with an intravenous line or source of intravenous fluid. | 08-30-2012 |
20120316498 | Intravenous fluid monitoring device - A device for automatic monitoring intravenous fluid flow rate and temperature. The inventive device is capable of automatically adjusting the temperature of the fluid administered to a patient and recording the fluid flow rate and temperature. The device is also capable of transferring data to an electronic data storage repository via a wire connection or wirelessly. | 12-13-2012 |
20120330234 | DEVICE FOR HEATING FLOWING FLUIDS AND PRODUCTION METHOD - The invention relates to a device for heating flowing fluids, in particular intravenous fluids, comprising a fluid housing containing at least one fluid channel, through which the fluid can be conducted from an inlet of the fluid housing to an outlet of the fluid housing, a heating unit containing at least one electric flat heating element for heating the fluid flowing through the fluid channel, and a temperature control unit containing at least one temperature sensor arranged on the flat heating element, wherein the flat heating element is arranged inside the fluid housing, wherein the flat heating element at least partially forms a wall of the fluid channel, wherein at least one linear fluid channel extends between the inlet of the fluid housing and the outlet of the fluid housing. | 12-27-2012 |
20130041317 | Intravenous Fluid Heater - This invention is directed to a portable intravenous fluid heater that can weight less than 10 oz having an internal power supply internal tubing that is heated by a heating element; a logic assembly; an external power terminal for connecting an external power supply; and computer readable instructions, that when executed by the processor, perform the steps of receiving output temperature from the fluid output heat sensor, removing power from the heating element if the output temperature is above a predetermined temperature to reduce the temperature of fluid exiting the tubing and delivering power to the heating element when the output temperature is below a predetermined temperature. | 02-14-2013 |
20130197438 | Microfluidic Delivery Systems - A microfluidic delivery system ( | 08-01-2013 |
20140066849 | WARMER FOR MEDICAL TREATMENT - A warmer for medical treatment includes a heater including a resist pattern for generating heat on front and back surfaces of the heater, a partition and cover respectively disposed on the front and back surfaces of the heater to surround the heater, thereby forming a passage, through which a fluid flows, together with the heater. The warmer also includes a first connection part for introducing the fluid into the passage, a second connection part for discharging the fluid from the passage, a pore defined in the cover, a filter disposed on an inner surface of a portion of the cover in which the pore is defined, and an air discharger coupled to the cover to discharge air contained in the fluid through the filter and the pore. | 03-06-2014 |
20140236083 | MEDICAL TUBING - A medical tube has a tube wall, a first end and a second end. At least one heater wire is wrapped around the wall. Near or at one of the first end or the second end, there is at least one recess in an outer surface of the wall. The heater wire passes over the at least one tube recess such that the wire does not contact the wall in the area of the tube recess. Also disclosed are methods of making the tube and components used in making the tube. | 08-21-2014 |
20140303557 | ELECTRICAL POWER SOURCE FOR AN INTRAVENOUS FLUID HEATING SYSTEM - An apparatus heats fluids. A number of lithium-ion cells are positioned within a housing. A first connector is positioned on a first end of the housing and opperably connected to the number of lithium-ion cells. The first connector is configured to receive electrical power from a power source. A second connector is positioned on a second end of the housing and opperably connected to the number of lithium-ion cells. A heating element has a tube for transferring fluid. The heating element is configured to connect to the second connector. A controller is positioned within the housing and opperably connected to the number of lithium-ion cells and the second connector. The controller is configured to monitor a rate at which the electrical power is received by the heating element and limit an amount of the electrical power received by the heating element when the rate reaches a predetermined level. | 10-09-2014 |
20140343493 | STORAGE DEVICES AND STORAGE METHODS FOR INJECTABLE SUBSTANCES - Devices to store injectable substances can include a chamber configured to store an injectable substance, a thermal bank, and an insulated cover. In some embodiments, the thermal bank is located inside of the insulated cover and at least a portion of the chamber is located inside of the thermal bank. | 11-20-2014 |
20150088066 | ARTHROSCOPIC SURGICAL TEMPERATURE CONTROL SYSTEM - An arthroscopic surgical temperature control system and method able to monitor and control the temperature within a surgical site during arthroscopic ablation procedures in order to prevent tissue damage is provided. | 03-26-2015 |
20150305985 | ENTERAL FEEDING WARMING SYSTEM - An enteral feeding warming system for warming enteral feeding fluid and delivering the feeding fluid to an infant or other patient comprises a pump, a warming device, and an enteral feeding tube. The pump may be connected to an enteral feeding fluid source. The warming device includes a housing, a heating element, a heat spreader, a temperature sensor, a controller, a display, a number of user inputs, and a power source. The housing includes outer walls defining an interior chamber and a feeding tube channel separate from the interior chamber. The interior chamber retains the heating element, heat spreader, temperature sensor, and controller therein. The feeding tube channel includes a number of turns and straight sections for increasing an effective length of the feeding tube channel and receives an intermediate portion of the enteral feeding tube therein. | 10-29-2015 |
20160136340 | TEMPERATURE-ADJUSTED HEATER FOR TRANSFUSION - A temperature-adjusted heater for transfusion includes a clamping member and a temperature-controlled unit. The clamping member defines a through hole, for a transfusion tube pass through and fixed therein. The temperature-controlled unit connecting to power supply, includes a heating member, an adjusting current circuit, and an adjusting button. The heating member is mounted in the clamping member, in communication with the through hole, and firmly against the transfusion tube. The heating member and the adjusting button are in series with the adjusting current circuit, and the adjusting button is operated to change the resistance value of the adjusting current circuit. | 05-19-2016 |