摘要:
A band stop filter is provided for a lead wire of an active medical device (AMD). The band stop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the lead wire of the AMD, wherein values of capacitance and inductance are selected such that the band stop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the band stop filter to attenuate current flow through the lead wire along a range of selected frequencies. In a preferred form, the band stop filter is integrated into a TIP and/or RING electrode for an active implantable medical device.
摘要:
Disclosed is a method of preparing a compound represented by the following structural formula: ##STR1## and physiological salts thereof. R.sup.1 is --H, an aliphatic group, a substituted aliphatic group, an aryl group or a substituted aryl group.R.sup.2 is a substituted or unsubstituted 2-hydroxy-1-ethyl group.Ring A is a substituted or unsubstituted aryl group.Ring B is substituted or unsubstituted at position two.The method comprises reacting a substituted or unsubstituted aryl hydrazine or salt derived from a substituted or unsubstituted aryl hydrazine with a compound represented by the following structural formula: ##STR2##
摘要翻译:公开了一种制备由以下结构式表示的化合物及其生理盐的方法。 R 1是-H,脂族基团,取代的脂族基团,芳基或取代的芳基。 R2是取代或未取代的2-羟基-1-乙基。 环A是取代或未取代的芳基。 环B在第2位取代或未取代。 该方法包括使取代或未取代的芳基肼或衍生自取代或未取代的芳基肼的盐与由以下结构式表示的化合物反应:
摘要:
A clip for closing a puncture in a body lumen comprises a clip having a resiliently expandable circumference and a plurality of barbed prongs extending at least approximately in the same direction from one edge of the clip. A device for deploying such a clip is described. A method for deploying such a clip is also described.
摘要:
A clip for closing a puncture hole in a blood vessel comprises a ring having a resiliently expandable circumference and a plurality of barbed prongs extending at least approximately in the same direction from one edge of the ring. A device for deploying such a clip is also described.
摘要:
The magnetic switch assembly of an embodiment generally comprises a switch housing coupled to and/or adjacent to a magnet housing. The switch housing may be coupled to, for example, a door frame, a window frame, or other substantially fixed location. The magnet housing including at least one magnet may be coupled to, for example, a door or other substantially mobile location adjacent to the switch housing. The proximity to or distance from the magnets in the magnet housing may actuate one or more reed switches within the switch housing to open and/or close a circuit and/or otherwise generate a signal that may be communicated to, for example, a security system to detect whether the door is open or closed.
摘要:
A radio frequency identification (RFID) system for use with active implantable medical devices (AIMD) implanted in a patient comprises an interrogator and an RFID tag comprising a substrate, an RFID chip, and an antenna. The RFID is typically enclosed in a biocompatible and hermetically sealed container comprising a ceramic housing, an end cap and an encapsulant. The RFID tag or sealed container may be affixed to an AIMD or surgically implanted in a patient adjacent to an AIMD. Alternatively, the sealed container may be injected into body tissue by a large needle syringe. The RFID tag may store information about an AIMD including manufacturer, model number and serial number. The RFID tag may also store information about a treating physician and/or patient including the treating physician's name and contact information, the patient's name, contact information, medical condition, treatment and other relevant information.
摘要:
An apparatus (10) for initiating and dispensing an incendiary comprises a feed mechanism (12) for advancing a line of series connected incendiaries to a dispensing location D; an injection device (14); and a cutter (16). The injection device (14) injects a substance such as glycol into the incendiary as it is moved toward, but prior to reaching, the dispensing location D. The glycol reacts exothermically with another substance such as potassium permanganate in the incendiary. The cutter (16) cuts the incendiary into which the glycol has been injected from the line of series connected incendiary. After the incendiary has been injected with the glycol and cut by the cutter (16) from the line, the feed mechanism (12) advances the incendiary to the dispensing location D where it is dispensed by the action of gravity from the apparatus (10).
摘要:
A clip for closing a puncture hole in a blood vessel comprises a ring 12 having a resiliently expandable circumference and a plurality of barbed prongs 14 extending at least approximately in the same direction from one edge of the ring. A device for deploying such a clip is also described.
摘要:
An incendiary 10 includes a plurality of containers 12 each containing a volume of a first substance such as potassium permanganate which, when mixed with a second substance such as glycol which is injected at a later time, reacts exothermically to generate a flame. Frangible couplings in the form of tabs 16 couple or connect adjacent containers 12 together. Thus the incendiary 10 is in the form of a flexible belt having a plurality of containers 12 which are mutually held together until separated by a dispensing/initiating machine. Each container 12 includes a flat surface 22 and a receptacle 18 having an opening 20 which opens onto the flat surface 22. A seal 24 extends across and closes the opening 20.
摘要:
A method and apparatus for determining the degree of grade ( slope ) upon which an earth moving machine is operating wherein a movable sighting device is mounted on the machine in such manner that the forces of gravity cause the device to move such that an operator looking at external reference objects may control and confirm the angle of grade ( slope ) of the earth being worked upon.