US5215523A — Balloon catheter inflation syringe with remote di…

Claim 1

Independent Claim 223 words

A medical device and transmitter apparatus for sensing and transmitting a sensed parameter to a remote display unit, comprising: a medical device having a sensor for sensing a condition selected from the group consisting of an operating condition of said medical device and a condition of a patent to whom said medical device is being applied and for providing a sensor signal reflective of said condition; a transmitter unit communicating with said sensor to receive said sensor signal and to transmit a sensor message indicative of said condition; a power source connected to said transmitter remit to power said transmitter unit; and a remote display device placeable at a distance from said transmitter unit, connectable to a second power source to receive operating power, and including: signal reception means for receiving said wireless transmitted sensor message and providing a sensor display signal in response thereto, and sensor display means connected to said signal reception means for receiving said sensor display signal and providing a display reflective thereof, wherein said wireless transmitter is an infrared light transmitter, said sensor message comprises an infrared signal, and said remote display device includes infrared detection means for receiving said infrared signal sensor message and signal translation means connected to said infrared detection means for receiving and translating said infrared signal into a display signal indicative of thereof.

Claim 2

Dependent Claim 223 words

A medical device and transmitter apparatus for sensing and transmitting a sensed parameter to a remote display unit, comprising: a medical device having a sensor for sensing a condition selected from the group consisting of an operating condition of said medical device and a condition of a patent to whom said medical device is being applied and for providing a sensor signal reflective of said condition; a transmitter unit communicating with said sensor to receive said sensor signal and to transmit a sensor message indicative of said condition; a power source connected to said transmitter remit to power said transmitter unit; and a remote display device placeable at a distance from said transmitter unit, connectable to a second power source to receive operating power, and including: signal reception means for receiving said wireless transmitted sensor message and providing a sensor display signal in response thereto, and sensor display means connected to said signal reception means for receiving said sensor display signal and providing a display reflective thereof, wherein said wireless transmitter is an infrared light transmitter, said sensor message comprises an infrared signal, and said remote display device includes infrared detection means for receiving said infrared signal sensor message and signal translation means connected to said infrared detection means for receiving and translating said infrared signal into a display signal indicative of thereof.

Claim 3

Dependent Claim 38 words

The apparatus of claim 1, wherein said infrared light transmitter comprises at least one infrared LED having a transmission arc constituting an angle based at said infrared LED through which said infrared LED effectively transmits said infrared signal.

Claim 4

Dependent Claim 25 words

The apparatus of claim 2, wherein said infrared light transmitter comprises a plurality of LEDs mutually positioned to have their respective said transmission arcs overlapping.

Claim 5

Dependent Claim 26 words

The apparatus of claim 2, wherein said infrared light transmitter comprises a pair of LEDs positioned to have said respective transmission arcs overlap by about 100°.

Claim 6

Dependent Claim 17 words

The apparatus of claim 1, wherein said infrared light transmitter comprises at least one infrared laser transmitter.

Claim 7

Dependent Claim 39 words

The apparatus of claim 1, wherein said sensor signal is an analog signal, and said transmission means further includes an A/D (analog to digital) converter for converting said analog signal to a transmittable digital signal constituting said sensor message.

Claim 8

Dependent Claim 33 words

The apparatus of claim 6, wherein said transmitter unit further includes a controller connected to said A/D converter to receive said digital signal and operable to control the transmission of said sensor message.

Claim 9

Dependent Claim 44 words

The apparatus of claim 7, wherein said transmitter unit further includes a timer key connected to said controller, said controller being further operable to control said wireless transmitter to transmit a clock message in response to pressing of said timer key by a user.

Claim 10

Dependent Claim 56 words

The apparatus of claim 8, wherein said remote display unit further includes a time display, and a display controller connected to said time display and said receiving unit, said display controller being operable to count time elapsed from receipt of a start clock message and to provide time display signals reflective thereof to said time display.

Claim 11

Dependent Claim 30 words

The apparatus of claim 7, wherein said controller is operable to compute said sensor message by averaging at least two successively received sensor signals to produce an averaged sensor signal.

Claim 12

Dependent Claim 35 words

The apparatus of claim 10, wherein said controller is further operable to compute said sensor message by averaging said averaged sensor signal with an immediately preceding averaged sensor signal, to produce a twice-averaged sensor signal.

Claim 13

Dependent Claim 164 words

Apparatus which includes a remote display and an inflator for inflating a balloon catheter, comprising: operable associated therewith to sense pressure within said inflator, and to provide a pressure signal reflective thereof; a transmission unit connected to receive said pressure signal from said pressure transducer, and operable to wirelessly transmit a pressure message in response thereto, said transmitter unit including a wireless transmitter; a power source connected to power said transmitter unit; and a display device constructed to be positionable at a distance from said transmitter unit, connectable to a second power source to receive operating power, and operable to receive said pressure message and to provide a pressure display reflective thereof, wherein said wireless transmitter is an infrared light transmitter, said pressure message comprises an infrared light signal, and said display device further includes infrared reception means for receiving said infrared light signal, and signal translation means for translating said infrared light signal into a pressure display signal indicative of said pressure message.

Claim 14

Dependent Claim 164 words

Apparatus which includes a remote display and an inflator for inflating a balloon catheter, comprising: operable associated therewith to sense pressure within said inflator, and to provide a pressure signal reflective thereof; a transmission unit connected to receive said pressure signal from said pressure transducer, and operable to wirelessly transmit a pressure message in response thereto, said transmitter unit including a wireless transmitter; a power source connected to power said transmitter unit; and a display device constructed to be positionable at a distance from said transmitter unit, connectable to a second power source to receive operating power, and operable to receive said pressure message and to provide a pressure display reflective thereof, wherein said wireless transmitter is an infrared light transmitter, said pressure message comprises an infrared light signal, and said display device further includes infrared reception means for receiving said infrared light signal, and signal translation means for translating said infrared light signal into a pressure display signal indicative of said pressure message.

Claim 15

Dependent Claim 40 words

The apparatus of claim 12, wherein said transmission unit further includes a controller connected to said wireless transmitter and to receive said pressure signal, said controller being operable to control the transmission of said pressure message by said wireless transmitter.

Claim 16

Dependent Claim 44 words

The apparatus of claim 13, wherein said transmission unit further includes a timer key connected to said controller, said controller being further operable to control said wireless transmitter to transmit a clock message in response to pressing of said timer key by a user.

Claim 17

Dependent Claim 65 words

The apparatus of claim 14, wherein said pressure signal is an analog signal, and said transmission unit further includes an A/D converter connected to said pressure transducer for converting said analog signal to a digital signal, and connected to said controller to send said digital signal thereto; and wherein said infrared light transmitter transmits said pressure message and said clock message in a digital format.

Claim 18

Dependent Claim 55 words

The apparatus of claim 15, wherein said display unit further includes a time display, and a display controller connected to said time display and said receiving unit, said display controller being operable to count time elapsed from receipt of a start clock message and to provide time display signals reflective thereof to said time display.

Claim 19

Dependent Claim 39 words

The apparatus of claim 12, wherein said infrared light transmitter comprises at least one infrared LED having a transmission arc constituting an angle based at said infrared LED through which said infrared LED effectively transmits said infrared light signal.

Claim 20

Dependent Claim 30 words

The apparatus of claim 17, wherein said infrared light transmitter comprises a plurality of LEDs simultaneously transmitting said infrared light signal, and arranged to have their respective transmission arcs overlapping.

Claim 21

Independent Claim 177 words

An apparatus for performing transluminal angioplasty with a balloon catheter and for displaying information relative thereto, comprising an inflator to inflate a balloon catheter; a pressure sensor positioned within said inflator for sensing the pressure exerted within said inflator to inflate said balloon catheter, said pressure sensor producing a pressure signal indicative of said pressure; a signal communicating unit associated with said inflator, connected to receive said pressure signal, and including a wireless transmitter operable to wirelessly communicate a pressure message reflective of said pressure signal; a remote monitor positionable at a distance from said signal communication unit, and operable to receive said pressure message, translate said pressure message into a pressure display signal, and display a pressure value indicative of said pressure display signal; and wherein said pressure signal is an analog signal, said wireless transmitter is constructed to transmit said pressure message in a digital format, and said signal communication unit further includes an A/D converter connected to convert said analog signal to a digitally-formatted signal and provide said digitally-formatted signal to said wireless transmitter.

Claim 22

Independent Claim 177 words

An apparatus for performing transluminal angioplasty with a balloon catheter and for displaying information relative thereto, comprising an inflator to inflate a balloon catheter; a pressure sensor positioned within said inflator for sensing the pressure exerted within said inflator to inflate said balloon catheter, said pressure sensor producing a pressure signal indicative of said pressure; a signal communicating unit associated with said inflator, connected to receive said pressure signal, and including a wireless transmitter operable to wirelessly communicate a pressure message reflective of said pressure signal; a remote monitor positionable at a distance from said signal communication unit, and operable to receive said pressure message, translate said pressure message into a pressure display signal, and display a pressure value indicative of said pressure display signal; and wherein said pressure signal is an analog signal, said wireless transmitter is constructed to transmit said pressure message in a digital format, and said signal communication unit further includes an A/D converter connected to convert said analog signal to a digitally-formatted signal and provide said digitally-formatted signal to said wireless transmitter.

Claim 23

Dependent Claim 14 words

The apparatus of claim 19, wherein said wireless transmitter is an infrared light transmitter.

Claim 24

Dependent Claim 44 words

The apparatus of claim 19, wherein said signal communication means further includes a controller key connected to said controller, said controller being operable to control said wireless transmitter to transmit a clock message in response to operation of said timer key by a user.

Claim 25

Dependent Claim 59 words

The apparatus of claim 21, wherein said remote monitor further includes a display controller connected to said receiving unit, and operable to count time elapsed from receipt of a start clock message and to provide time display signals reflective thereof; and a time display connected to receive said time display signals and to display the elapsed time indicated thereby.

Claim 26

Dependent Claim 16 words

The apparatus of claim 20, wherein said infrared light transmitter comprises at least one infrared LED.

Claim 27

Dependent Claim 110 words

An inflation syringe for inflating an attached inflatable member, comprising: a pressurizing chamber for pressurizing a balloon catheter; a pressure sensing transducer in communication with said pressurizing chamber, said transducer producing an analog electrical signal having a magnitude proportional to the pressure being sensed; conversion means electrically connected with said pressure sensing transducer for converting said analog electrical signal to a digital signal reflective of the magnitude of said analog signal; IR transmitter means electrically connected with said conversion means for transmitting said digital signal in the form of an IR signal in a format; and a power supply electrically connected to power said conversion means and said transmitter means.

Claim 28

Dependent Claim 110 words

An inflation syringe for inflating an attached inflatable member, comprising: a pressurizing chamber for pressurizing a balloon catheter; a pressure sensing transducer in communication with said pressurizing chamber, said transducer producing an analog electrical signal having a magnitude proportional to the pressure being sensed; conversion means electrically connected with said pressure sensing transducer for converting said analog electrical signal to a digital signal reflective of the magnitude of said analog signal; IR transmitter means electrically connected with said conversion means for transmitting said digital signal in the form of an IR signal in a format; and a power supply electrically connected to power said conversion means and said transmitter means.

Claim 29

Dependent Claim 41 words

The inflation syringe of claim 24, further including a transmission controller communicatively connected with said conversion means and said transmitter means for receiving said digital signal and controlling said transmitter to transmit said digital signal in accordance with a desired protocol.

Claim 30

Dependent Claim 51 words

The inflation syringe of claim 25, further including a timer key mechanically adapted to said inflation syringe, electrically connected to said transmission controller and said transmitter means, and operable by a user to initiate the transmission of a clock message indicative of a user-selected start or end of a timed interval.

Claim 31

Dependent Claim 45 words

The inflation syringe of claim 25, wherein said controller is operable to compute an averaged digital signal by averaging at least two successively received digital signals, and to cause said transmitter means to transmit said IR in a form reflective of said averaged digital signal.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1996-05-31	1996-11-30	1997-06-01	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2000-05-31	2000-11-30	2001-06-01	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2004-05-31	2004-11-30	2005-06-01	$7700.00	Window Closed / Lapsed

Balloon catheter inflation syringe with remote display

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