Cable

Claim 2

An exercise cable for an electrocardiogram machine, comprising: at least three wires adapted to be connected to a patient; a connector portion having five pins attached therein for connection with the socket of a conventional electrocardiogram machine, said pins including a v-lead pin, a left arm pin, a right arm pin, a left leg pin, and a right leg pin; a housing portion connected to said connector portion, said pins in said connector portion extending into said housing portion; the left arm, left leg, and right arm pins in the connector portion being wired together, one wire of the cable being connected to said wired-together pins, another wire of said cable being connEcted to the v-lead pin, and the remaining wire of said cable being connected to the right leg pin, so as to provide a three-wire unipolar exercise cable compatible with a standard electrocardiogram machine.

Claim 3

An exercise cable for an electrocardiogram machine, comprising: at least three wires adapted to be connected to a patient; a connector portion having five pins attached therein for connection with the socket of a conventional electrocardiogram machine, said pins including a v-lead pin, a left arm pin, a right arm pin, a left leg pin, and a right leg pin; a housing portion connected to said connector portion, said pins in said connector portion extending into said housing portion; the left arm, left leg and right arm pins in the connector portion being wired together in the housing portion; means for filtering out muscle noise to provide a more accurate record of heart activity, said means being mounted in the housing portion of the exercise cable; one wire of said cable being connected to said wired-together pins, another wire of said cable being connected to the v-lead pin, and the remaining wire of said cable being connected to the right leg pin, so as to provide a three-wire unipolar exercise cable compatible with a standard electrocardiogram machine, said filtering means being connected between said v-lead pin and the wired-together pins within said housing portion.

Claim 4

An exercise cable for an electrocardiogram machine, comprising: at least three wires adapted to be connected to a patient; a connector portion having five pins attached therein for connection with the socket of a conventional electrocardiogram machine, said pins including a v-lead pin, a left arm pin, a right arm pin, a left leg pin, and a right leg pin; a housing portion connected to said connector portion, said pins in said connector portion extending into said housing portion; the left arm, left leg and right arm pins in the connector portion being wired together in the housing portion; means for filtering out muscle noise to provide a more accurate record of heart activity, said means being mounted in the housing portion of the exercise cable; one wire of said cable being connected to said wired-together pins, another wire of said cable being connected to the v-lead pin, and the remaining wire of said cable being connected to the right leg pin, so as to provide a three-wire unipolar exercise cable compatible with a standard electrocardiogram machine, said filtering means being connected between said v-lead pin and the wired-together pins within said housing portion.

Claim 5

The exercise cable described in claim 2, wherein said means for filtering out muscle noise is a resistor connected between said v-lead pin and the wired-together pins in the housing portion.

Claim 6

An exercise cable for an electrocardiogram machine comprising: at least three wires adapted to be connected to a patient; a connector portion having five pins attached therein for connection with the socket of a conventional electrocardiogram machine, said pins including a v-lead pin, a left arm pin, a right arm pin, a left leg pin, and a right leg pin; a housing portion connected to said connector portion, said pins in said connector portion extending into said housing portion; the left arm, left leg and right arm pins in the connector portion being wired together in the housing portion; an electric switch and an electrical resistor associated with said housing portion, said electric switch controlling the connection of said electrical resistor across said connected pins and said v-lead pin in the housing portion for selectively eliminating muscle noise; one wire of said cable being connected to said connected pins, another wire of said cable being connected to the v-lead pin, and the remaining wire of said cable being connected to the right leg pin, so as to provide a three-wire unipolar exercise cable compatible with a standard electrocardiogram machine.

Claim 7

An exercise cable for an electrocardiogram machine comprising: at least three wires adapted to be connected to a patient; a connector portion having five pins attached therein for connection with the socket of a conventional electrocardiogram machine, said pins including a v-lead pin, a left arm pin, a right arm pin, a left leg pin, and a right leg pin; a housing portion connected to said connector portion, said pins in said connector portion extending into said housing portion; the left arm, left leg and right arm pins in the connector portion being wired together in the housing portion; an electric switch and an electrical resistor associated with said housing portion, said electric switch controlling the connection of said electrical resistor across said connected pins and said v-lead pin in the housing portion for selectively eliminating muscle noise; one wire of said cable being connected to said connected pins, another wire of said cable being connected to the v-lead pin, and the remaining wire of said cable being connected to the right leg pin, so as to provide a three-wire unipolar exercise cable compatible with a standard electrocardiogram machine.

Claim 8

A multiple v-lead exercise cable for an electrocardiogram machine comprising: at least three wires adapted to be connected to a patient; a connector portion having five pins attached therein for connection with the socket of a conventional electrocardiogram machine, said pins including a v-lead pin, a left arm pin, a right arm pin, a left leg pin, and a right leg pin; a housing portion connected to said connector portion; said pins in said connector portion extending into said housing portion; the left arm, left leg and right arm pins in the connector portion being wired together in the housing portion; one wire of the cable being connected to the right leg pin, and another wire of the cable being connected to said wired-together pins; a rotary switch having a slider and a plurality of fixed contacts; a wire connected between said v-lead pin and the slider of said rotary switch; a wire in the cable extending from each fixed contact in said rotary switch so that by rotating the rotary slider of said switch any of the wires connected to said contact may be connected to the v-lead pin in said housing portion, whereby a physician can initially make all the v-lead connections with said wires connected to said fixed contact of said rotary switch on The body of the patient, and then leave a technician to operate the electrocardiogram machine and rotate the slider of said switch to make sequential recordings of v-lead connections around the heart.

Claim 9

A multiple v-lead exercise cable for an electrocardiogram machine comprising: at least three wires adapted to be connected to a patient; a connector portion having five pins attached therein for connection with the socket of a conventional electrocardiogram machine, said pins including a v-lead pin, a left arm pin, a right arm pin, a left leg pin, and a right leg pin; a housing portion connected to said connector portion; said pins in said connector portion extending into said housing portion; the left arm, left leg and right arm pins in the connector portion being wired together in the housing portion; one wire of the cable being connected to the right leg pin, and another wire of the cable being connected to said wired-together pins; a rotary switch having a slider and a plurality of fixed contacts; a wire connected between said v-lead pin and the slider of said rotary switch; a wire in the cable extending from each fixed contact in said rotary switch so that by rotating the rotary slider of said switch any of the wires connected to said contact may be connected to the v-lead pin in said housing portion, whereby a physician can initially make all the v-lead connections with said wires connected to said fixed contact of said rotary switch on The body of the patient, and then leave a technician to operate the electrocardiogram machine and rotate the slider of said switch to make sequential recordings of v-lead connections around the heart.

Claim 10

The multiple v-lead exercise cable described in claim 5 including means for filtering out muscle noise, said means being mounted in the housing portion of the v-lead cable, and being connected between said v-lead pin and the wired-together pins inside the housing portion of the cable.

Claim 11

The multiple v-lead exercise cable described in claim 6, wherein said means for filtering out muscle noise comprises a resistor connected between said v-lead pin and the wired-together pins inside the housing of the cable.

Claim 12

The multiple v-lead exercise cable described in claim 7 including a control switch mounted on the body of the housing portion, said control switch being connected between said resistor and said v-lead pin in the housing portion for selectively filtering out muscle noise during operation of the electrocardiogram machine.

Claim 13

A multiple lead exercise cable for an electrocardiogram machine comprising a connector portion having five pins attached therein for connection with the socket of a conventional electrocardiogram machine, said pins including a v-lead pin for attachment to a wire adapted to lead to the pericardium of a patient, a rotary switch having a slider and a plurality of fixed contacts, a wire connected between said v-lead pin and the slider of said rotary switch, a wire in the cable extending from each fixed contact of said rotary switch so that by rotating the rotary slider of said switch any of the wires connected to said contact may be connected to the v-lead pin in said housing; the free end of each wire connected to a fixed contact in the rotary switch being adapted to be connected to various parts of the pericardium of the patient; three other pins of said connector being connected together, and wires connected from the connected pins and from the remaining pin in the connector portion for attachment to the arms and legs of the patient, whereby a physician can initially make all the v-lead connections with said wires connected to said fixed contacts of said rotary switch on the body of a patient, and then leave a technician to operate the electrocardiogram machine and rotate the slider of said switch to make sequential recordings of the v-lead connections around the heart.

Claim 14

A multiple lead exercise cable for an electrocardiogram machine comprising a connector portion having five pins attached therein for connection with the socket of a conventional electrocardiogram machine, said pins including a v-lead pin for attachment to a wire adapted to lead to the pericardium of a patient, a rotary switch having a slider and a plurality of fixed contacts, a wire connected between said v-lead pin and the slider of said rotary switch, a wire in the cable extending from each fixed contact of said rotary switch so that by rotating the rotary slider of said switch any of the wires connected to said contact may be connected to the v-lead pin in said housing; the free end of each wire connected to a fixed contact in the rotary switch being adapted to be connected to various parts of the pericardium of the patient; three other pins of said connector being connected together, and wires connected from the connected pins and from the remaining pin in the connector portion for attachment to the arms and legs of the patient, whereby a physician can initially make all the v-lead connections with said wires connected to said fixed contacts of said rotary switch on the body of a patient, and then leave a technician to operate the electrocardiogram machine and rotate the slider of said switch to make sequential recordings of the v-lead connections around the heart.