| Covidien AG Patent applications |
| Patent application number | Title | Published |
|---|
| 20120101491 | Thermocouple Measurement System - A thermocouple measuring circuit for sensing a temperature at a measuring point is provided. The thermocouple measurement circuit ( | 04-26-2012 |
| 20120095456 | Articulating Bipolar Electrosurgical Instrument - A bipolar electrosurgical instrument has a pair of pivotable juxtaposed jaw members and a locking mechanism operatively associated with a second of the jaw members. The locking mechanism has a first position engaged with the second jaw member for preventing movement of the second jaw member between an axially aligned orientation and at least one angled orientation, and a second position. The second position is disengaged from the second jaw member allowing for movement of the second jaw member between the axially aligned orientation and the at least one angled orientation. The instrument has an actuation mechanism operatively connected to a first of the jaw members with the actuation mechanism operable to move the first jaw member between an axially aligned first orientation and at least one angled orientation. An articulation knob is operatively associated with the locking mechanism and effectuates independent operation of the locking and actuation mechanisms. | 04-19-2012 |
| 20120078196 | ADMINISTRATION FEEDING SET - An administration feeding set for use with a flow control apparatus to deliver fluid from at least one fluid source to a patient. The set includes tubing for flow of fluid along a fluid pathway and a mounting member on the tubing adapted to engage the flow control apparatus. The mounting member has at least two receiving portions co-axial with the fluid pathway. The set also includes one or more identification members selectively positioned on one or more of the at least two receiving portions of the mounting member to permit identification of the administration feeding set as having a particular functional configuration different from another functional configuration. | 03-29-2012 |
| 20120059367 | Electrosurgical System Employing Multiple Electrodes - A system for heat ablation of tissue, the system comprising a radiofrequency source configured to supply RF energy to at least two electrodes for treating tissue, at least one return electrode configured to return the RF energy to the radiofrequency source, a controller configured to sequentially apply the RF energy to each of the at least two electrodes for a pre-determinable period of time and circuitry configured to switch the RF energy to an internal load. The RF energy is applied simultaneously to the internal load and at least one of the at least two electrodes. The controller is configured to apply the RF energy to the next electrode in the sequence when the amount of time the applied RF energy is off is greater than a predetermined minimum off time. | 03-08-2012 |
| 20120004779 | Aliquot Correction for Feeding Set Degradation - A peristaltic pump is able to deliver accurate volumes over the life of a pump set that is operated on by the pump to drive the flow of fluid. The pump delivers fluid in small volumes or aliquots. In order to deliver fluid at any particular selected flow rate, the pump determines how often the rotor will rotate. The pump is able to calculate aliquot volume based on selected flow rate, but also on a factor that compensates for changes in the dimensions of the pump set over its life. | 01-05-2012 |
| 20110253716 | Medical Waste Disposal System - A method of medical waste disposal comprising (a) positioning an open end of a container relative to a hood assembly such that the hood assembly substantially covers the open end of the container; (b) depositing medical waste in the container through a passage defined by the hood assembly until the container is at least partially full; (c) placing a lid over the open end of the container such that the open end is substantially closed; (d) disposing of the container; (e) sterilizing the hood assembly; and (f) repeating step (a). | 10-20-2011 |
| 20110202056 | Laparoscopic Apparatus for Performing Electrosurgical Procedures - A system and apparatus for irrigating a surgical site during an electrosurgical procedure are disclosed. The system includes a hand piece having an elongated housing connected to a multi-lumen tube extending proximally from the housing and having an irrigation tube for delivering irrigation fluid, a suction tube for withdrawing irrigation fluid, and electrical wiring, a first controls for adjusting flow of irrigation fluid within the irrigation tube and second controls for adjusting flow of irrigation fluid within the suction tube. A valve cassette is connected to the multi-lumen tube, which includes an irrigation valve configured to control the flow within the irrigation tube and a suction valve configured to control the flow within the suction tube. A hardware control module controls the irrigation valve and the suction valve based on control signals from the first and second controls. | 08-18-2011 |
| 20110196368 | Open Vessel Sealing Instrument - A disposable open electrosurgical forceps for sealing tissue is disclosed in the present disclosure. The disposable open electrosurgical forceps comprise a pair of first and second shaft members containing a fiber reinforced thermoplastic blend material having fiber strands of at least 2 millimeters in length. Each shaft member includes a jaw member disposed at a distal end thereof which are movable from a first position in spaced relation relative to one another to at least one subsequent position wherein the jaw members cooperate to grasp tissue therebetween. Each of the jaw members also includes an electrically conductive sealing plate for communicating electrosurgical energy through tissue held therebetween. At least one of the jaw members includes a knife channel defined along a length thereof which is dimensioned to reciprocate a cutting mechanism therealong. An actuator is included for selectively advancing the cutting mechanism from a first position wherein the cutting mechanism is disposed proximal to tissue held between the jaw members to at least one subsequent position wherein the cutting mechanism is disposed distal to tissue held between the jaw members. The actuator includes a trigger which cooperates with a rack and pinion system to advance the cutting mechanism from the first to second positions through tissue held therebetween. | 08-11-2011 |
| 20110190761 | Temperature Sensing Return Electrode Pad - An electrosurgical return electrode is disclosed. The return electrode includes a conductive pad having one or more temperature monitoring zones and a patient-contacting surface configured to conduct electrosurgical energy and a temperature sensing circuit coupled to the conductive pad. The temperature sensing circuit includes at least one diode disposed within the at least one temperature monitoring zone, the at least one diode having a predetermined forward voltage drop that is indicative of temperature of at least one temperature monitoring zone. | 08-04-2011 |
| 20110178516 | System and Method for Closed Loop Monitoring of Monopolar Electrosurgical Apparatus - An electrosurgical system is disclosed comprising a generator configured to electrosurgical coagulation waveforms. The generator includes a closed loop control system for controlling the electrosurgical coagulation waveforms. The closed loop control system includes a sensor configured to sense a tissue property and/or an energy property and to transmit the tissue property and/or the energy property as one or more sensor signals having an amplitude. The control system also includes a gain controller configured to process the at least one sensor signal to reduce the amplitude of the sensor signals and to obtain a signal to noise ratio of the at sensor signals within a predetermine range. A microprocessor coupled to the generator and is configured to adjust the electrosurgical coagulation waveforms as a function of the sensor signals. | 07-21-2011 |
| 20110162796 | Method for Manufacturing an End Effector Assembly - A method of manufacturing a jaw member of an end effector assembly for use with an electrosurgical instrument is disclosed that includes the steps of providing an electrically conductive tissue engaging plate and a jaw support; covering one side of the electrically conductive tissue engaging plate with an electrically insulative, thermally non-degrading coating; placing and securing the electrically conductive tissue engaging plate and the jaw support into a jaw mold; and introducing a liquid substance into the jaw mold and allowing the liquid substance to cure around the electrically conductive tissue engaging plate and the jaw support. Alternatively, the method includes the steps of: providing an electrically conductive tissue engaging plate and a jaw support; covering one side of the electrically conductive tissue engaging plate with an electrically insulative, thermally non-degrading coating; and securing the side of the electrically conductive tissue engaging plate onto the jaw support with an adhesive. | 07-07-2011 |
| 20110106079 | Insulating Boot for Electrosurgical Forceps - Either an endoscopic or open bipolar forceps includes a flexible, generally tubular insulating boot for insulating patient tissue, while not impeding motion of the jaw members. The jaw members are movable from an open to a closed position and the jaw members are connected to a source of electrosurgical energy such that the jaw members are capable of conducting energy through tissue held therebetween to effect a tissue seal. A knife assembly may be included that allows a user to selectively divide tissue upon actuation thereof. The insulating boot may be made from a viscoelastic, elastomeric or flexible material suitable for use with a sterilization process including ethylene oxide. An interior portion of the insulating boot may have at least one mechanically interfacing surface that interfaces with a mechanically interfacing surface formed between the shaft and a jaw member or with a mechanically interfacing surface disposed or formed on the shaft or a jaw member. | 05-05-2011 |
| 20110092971 | Electrosurgical Pencil with Advanced ES Controls - An electrosurgical system is provided that includes an electrosurgical generator; and an electrosurgical pencil selectively connectable to the electrosurgical generator. The electrosurgical pencil includes an elongated housing; at least one electrocautery end effector removably supportable within the housing and extending distally from the housing, the electrocautery end effector being connected to the electrosurgical generator; and at least one voltage divider network supported on the housing. The at least one voltage divider network is electrically connected to the electrosurgical generator and controls at least one of the intensity of electrosurgical energy being delivered to the electrosurgical pencil and the mode of electrosurgical energy being delivered to the electrosurgical pencil. The voltage divider network generates a plurality of characteristic voltages which are measurable by the electrosurgical generator and which electrosurgical generator in turn transmits a corresponding waveform duty cycle at a particular intensity to the electrocautery end effector of the electrosurgical pencil. | 04-21-2011 |
| 20100280410 | Needle Assembly with Removable Depth Stop - A needle assembly ( | 11-04-2010 |
| 20100249722 | Administration Feeding Set - An administration feeding set for use with a flow control apparatus to deliver fluid from at least one fluid source to a patient. The set includes tubing for flow of fluid along a fluid pathway and a mounting member on the tubing adapted to engage the flow control apparatus. The mounting member has at least two receiving portions co-axial with the fluid pathway. The set also includes one or more identification members selectively positioned on one or more of the at least two receiving portions of the mounting member to permit identification of the administration feeding set as having a particular functional configuration different from another functional configuration. | 09-30-2010 |
| 20100249719 | Methods for Manually Injecting/Aspirating Fluids Through Small Diameter Catheters and Needles and Manual Injection/Aspiration Systems Including Small Diameter Catheters and Needles - A system for increasing rates at which fluids may be manually forced through injection/aspiration elements, such as catheters and needles, includes the injection/aspiration elements, as well as a syringe including a pair of crossed handles, one associated with the barrel of the syringe, the other associated with the plunger of the syringe, to provide a mechanical advantage. The system may include and injection/aspiration element of small (e.g., 0.052 inch or smaller) inner diameter and small outer diameter (e.g., 5 French or less). Such systems enable the use of a single hand to hold and operate a syringe in a variety or procedures, including angiography, angioplasty, discography, glue/cement injection, and a variety of aspiration procedures (e.g., biopsy, sampling, media removal, etc.). | 09-30-2010 |
| 20100217153 | Device for Shielding a Sharp Tip of a Cannula and Method of Using the Same - A safety device for shielding a sharp tip of a tubular needle includes a shaft sized and shaped for being received into the passage of the tubular needle through a first end of the passage and extending to a second end of the passage. A shield is associated with the shaft and is constructed for receiving and substantially shielding the sharp tip of the needle. A catch is associated with the shaft. The catch prevents the withdrawal of the shaft from the passage of the needle when the shield is shielding the sharp tip of the needle. | 08-26-2010 |
| 20100217152 | Device for Shielding a Sharp Tip of a Cannula and Method of Using the Same - A safety device for shielding a sharp tip of a tubular needle includes a shaft sized and shaped for being received into the passage of the tubular needle through a first end of the passage and extending to a second end of the passage. A shield is associated with the shaft and is constructed for receiving and substantially shielding the sharp tip of the needle. A catch is associated with the shaft. The catch prevents the withdrawal of the shaft from the passage of the needle when the shield is shielding the sharp tip of the needle. | 08-26-2010 |
| 20100198144 | METHOD FOR USING A PUMP SET HAVING SECURE LOADING FEATURES - A controller for operating a pumping apparatus to supply fluid to a patient through a pump set includes a processor programmed to instruct a first source of electromagnetic radiation to emit electromagnetic radiation in a direction for striking a safety interlock of the pump set. The processor activates a first electromagnetic radiation detector to detect the electromagnetic radiation emitted from the first source. The processor instructs a second source of electromagnetic radiation to emit electromagnetic radiation in a direction for striking the safety interlock. The processor activates a second electromagnetic radiation detector to detect the electromagnetic radiation emitted from the second source. The processor controls the pumping apparatus to operate for pumping fluid in the pump set only when electromagnetic radiation emitted from the first source is detected by the first detector and when the electromagnetic radiation emitted from the second source is not detect by the second detector. | 08-05-2010 |
| 20100194001 | DIE FOR MOLDING OF A CUFF ON A PLASTIC TUBE - A die for molding a cuff on a plastic tube, including an upper shell and a lower shell defining a molding cavity between them; each of the shells has an external structure and an internal wall for defining a half of the molding cavity and for defining a hollow space with the external structure. The molding cavity and hollow spaces are separated from each other by internal walls. The die includes openings which are connected with the molding cavity and the hollow spaces respectively. | 08-05-2010 |
| 20100192956 | METHOD FOR MANUFACTURING A CUFF ON PLASTIC TUBE PROVIDED WITH AN EXTERNAL SHEATH - Method for manufacturing a cuff on a plastic tube comprising an inner tube and an outer sheath covering said inner tube. The outer sheath comprises at least a portion to be molded for producing a cuff. The method comprises a covering step including an injection operation in which air is intermittently or continuously injected between the inner tube and sheath. | 08-05-2010 |
| 20100126670 | APPARATUS FOR MANUFACTURING EXTRUDED COILED TUBES FOR MEDICAL PURPOSES - An apparatus for manufacturing extruded coiled tubes for medical purposes is provided which includes rotary shafts protruding from a spindle, each rotary shaft being coupled to a respective flexible shaft resting on a series of supporting elements substantially equidistant to each other and supported by a main central shaft; at least an extrusion head to extrude a ribbon, and at least an extrusion head to extrude a rib; the ribbon and the rib being co-extruded, side by side, and being wound on an ideal surface formed by the external surfaces of the flexible shafts. The apparatus is characterized in that for changing the pitch with which the rib is wound on a base tubular element, formed on its turn by the winding coil of the ribbon, at least two twisting bars operated by a crank are used to rotate the supporting elements with a pre-defined angle. | 05-27-2010 |
| 20100056994 | PUMPING APPARATUS WITH SECURE LOADING FEATURES - A pumping apparatus and pump set for use to deliver a supply of liquid to a patient. The feeding set has a conduit for the nutrient liquid and a safety interlock device associated with the conduit. The pumping apparatus has a pumping device and a control system for controlling operation of the pump. An electromagnetic radiation source is operatively connected to the control system of the pump for emitting an electromagnetic radiation signal in a direction for striking the safety interlock device of the feeding set. The safety interlock device being adapted to affect the direction of the electromagnetic radiation. An electromagnetic radiation detector is operatively connected to the control system for receiving the electromagnetic radiation signal when the direction is affected by the safety interlock device, and provides an indication to the control system that the feeding set conduit is properly positioned in the feeding pump. | 03-04-2010 |
| 20090301593 | HOSES WITH CONNECTION PORTIONS - A hose consisting of a smooth tubular wall and a rib wound spirally on the smooth tubular wall. The hose includes at least one duct portion and at least one connection portion; in the connection portions, the rib is wound spirally with a narrower pitch than on the duct portions. | 12-10-2009 |
| 20090301479 | FILTER AND/OR HME DEVICE FOR RESPIRATORY CIRCUITS COMPRISING A CONDENSATION TRAP - A filter and/or HME device including an upper shell suitable to be connected to ventilation means, a lower shell suitable to be connected to a tracheal or tracheostomy tube of a patient, a filter and/or HME element disposed between the upper shell and the lower shell and a condensation screen disposed in front of the filter and/or HME element and facing the lower shell wherein the condensation screen has a conical wall extending from the opposite part of the filter and/or HME element to produce, together with a portion of the lower shell a collection chamber for the condensation that forms. | 12-10-2009 |
| 20090233350 | RESPIRATORY APPARATUS WITH A BIOBURDEN INDICATOR - A respiratory apparatus includes a bioburden indicator, having an input valve for the entry of air to be analysed, an element for bioburden analysis, and a suction valve suited to be connected to a suction system to suck up the air to be analysed. | 09-17-2009 |
| 20090205659 | DEVICE FOR DETECTING RELATIVE HUMIDITY IN A RESPIRATORY CIRCUIT - A device for detecting the relative humidity in a respiratory circuit is provided which includes a housing closed towards the outside by a transparent element, and towards the inside by a membrane permeable to the humidified gas passing through the equipment to which the device is applied and wherein the housing includes a humidity indicator element. | 08-20-2009 |
| 20090205195 | METHOD OF MAKING ELECTRONIC THERMOMETER WITH ANTI-THEFT FEATURE - A method of making an electronic thermometry assembly includes assembling a magnetic source capable of generating a magnetic field into a housing of the mount. A microcontroller including a resettable anti-theft counter for recording a use-parameter of the thermometer is mounted on a circuit board so that the thermometer is disabled in an anti-theft mode when the counter reaches a pre-selected number. A solid-state sensor in communication with the microcontroller is mounted on the circuit board. The sensor is capable of being activated by the magnetic field of the magnetic source to signal to the microcontroller to reset the anti-theft counter. The circuit board is assembled with the microcontroller and solid-state sensor thereon into a housing of the thermometer. | 08-20-2009 |
| 20090191066 | ALIQUOT CORRECTION FOR FEEDING SET DEGRADATION - A peristaltic pump is able to deliver accurate volumes over the life of a pump set that is operated on by the pump to drive the flow of fluid. The pump delivers fluid in small volumes or aliquots. In order to deliver fluid at any particular selected flow rate, the pump determines how often the rotor will rotate. The pump is able to calculate aliquot volume based on selected flow rate, but also on a factor that compensates for changes in the dimensions of the pump set over its life. | 07-30-2009 |
| 20090177170 | Closable Male Luer Connector - The present invention provides a closable male luer connector ( | 07-09-2009 |
| 20090165792 | ANTI-CONDENSATION DEVICE FOR CATHETERS - An anti-condensation arrangement ( | 07-02-2009 |
| 20090135884 | ELECTRONIC THERMOMETER WITH FLEX CIRCUIT LOCATION - An electronic thermometer is configured for ease and accuracy in construction. A probe of the thermometer includes a flex circuit containing electronic components used to measure temperature and transmit signals to a calculating unit of the thermometer. A resilient locator can function to pre-position the flex circuit prior to final fixation so that the electronic components are reliably positioned in manufacture | 05-28-2009 |
| 20090133694 | DEVICE FOR DETECTING A DANGEROUS RESISTANCE TO FLOW IN A FLOW OF GAS THROUGH A FILTER EQUIPPED, IN CASE, WITH AN HME | 05-28-2009 |
| 20090078251 | SYSTEM AND METHOD OF CONDITIONING RESPIRATORY GASES - A respiratory gas conditioning system and method are provided and includes an inhale branch (IB), an exhale branch (EB), a low-dead-space heat and moisture exchanger (HME), and a connector ( | 03-26-2009 |
| 20080300542 | Male Luer Connector - Certain embodiments of the present invention include a male luer connector having a valve arrangement for keeping a passage that extends through the male luer connector closed when the male luer connector is not attached to a corresponding female luer connector. This passage of the male luer connector may opened by connecting the male luer connector to a female luer connector. The valve arrangement of the male luer connector may include a movable sealing element arranged around a central fluid conduit. In some embodiments, the male luer connector may include a filter that is permeable to gas, but substantially impermeable to liquid, thus allowing gas to be purged from the male luer connector while substantially preventing liquid from leaking from the connector at least when the male luer connector is not connected to a female luer connector. | 12-04-2008 |
| 20080283053 | MEDICAL HEAT AND MOISTURE EXCHANGER (HME) - An HME (heat and moisture exchanger) ( | 11-20-2008 |
