Arm-fastening device for sphygmomanometer, pulse sensor, sphygmomanometer apparatus comprising the device and sensor, and method for manufacturing pulse sensor

An arm-fastening device for a pulse diagnosis apparatus comprising:

• an arm-fixing recess capable of receiving a portion of an arm, in which a radial bone is located, at an incline such that an inner portion of the arm faces a person to be examined;
• an arm contact surface provided in a lower portion of the arm-fixing recess, wherein the portion of an arm, in which a radial bone is located, is supposed to be placed in the arm contact surface;
• a body having the arm contact surface in an upper portion thereof;
• a main frame provided in a lower end of the body to fix the body;
• a horizontal rotation adjustment part spaced apart from a front portion of the body at a predetermined interval in an oblique direction, and fixed to the main frame such that the horizontal rotation adjustment part is horizontally rotatable;
• and
• an arm-fixing unit having a vertical rotation adjustment part, wherein the vertical rotation adjustment part is fixedly provided on an upper end of the horizontal rotation adjustment part such that the vertical rotation adjustment part is vertically rotatable.

A pulse sensor comprising:

• a board having at least one first hole;
• a sensor chip attached to one side of the board such that the sensor chip closes the first hole of the board and is electrically connected to the board;
• a pad attached to the other side of the board, wherein the pad-is intended to come into contact with a pulse of a user;
• and
• a pressure transferring member disposed inside the first hole of the board such that an input signal, which is received by the pad, is sent to the sensor chip.

A pulse diagnosis apparatus comprising:

• an arm-fixing recess capable of receiving a portion of an arm, in which a radial bone is located, at an incline such that an inner portion of the arm faces a person to be examined;
• an arm contact surface provided in a lower portion of the arm-fixing recess, wherein the portion of an arm, in which a radial bone is located, is supposed to be placed in the arm contact surface;
• a body having the arm contact surface in an upper portion thereof;
• a main frame provided in a lower end of the body to fix the body;
• a horizontal rotation adjustment part spaced apart from a front portion of the body at a predetermined interval in an oblique direction, and fixed to the main frame such that the horizontal rotation adjustment part is horizontally rotatable;
• and
• an arm-fixing unit having a vertical rotation adjustment part, wherein the vertical rotation adjustment part is fixedly provided on an upper end of the horizontal rotation adjustment part such that the vertical rotation adjustment part is vertically rotatable;
• a horizontal frame distanced a predetermined interval from a side surface of an arm-fixing unit, wherein the horizontal frame is elongated and fixed to a main frame in a height direction;
• a horizontal control motor fixed to a side surface of the horizontal frame to provide a rotational force for a horizontal movement;
• a horizontal ball screw fixedly connected to a rotation shaft of the horizontal control motor such that the horizontal ball screw is rotatable;
• a horizontal motion guide fixed to an upper end of the horizontal frame;
• a vertical frame in contact with and connected to an upper portion of the horizontal frame, wherein both inner surfaces of a lower portion of the vertical frame are fitted into the horizontal motion guide such that the vertical frame is reciprocally movable;
• a horizontal guide block disposed on a lower inner surface of the vertical frame and fitted into the horizontal motion guide;
• a horizontal ball screw nut fixed to a lower portion of the vertical frame and meshed with the horizontal ball screw;
• a vertical control motor fixed to an upper end of the vertical frame, wherein vertical control motor provides a rotational force for a vertical movement;
• a vertical ball screw fixed to a rotation shaft of the vertical control motor such that the vertical ball screw is rotatable;
• a vertical movement guide fixed to a front portion of the vertical frame;
• a vertical movement bracket in contact with the front portion of the vertical frame such that the vertical movement bracket is vertically movable;
• a vertical guide block provided on both inner portions of a surface of the vertical movement bracket that faces the vertical movement guide, wherein the vertical guide block is capable of being fitted into the vertical movement guide;
• a vertical ball screw nut fixed to an inner portion of a side surface of the vertical movement bracket that faces the vertical movement guide, the vertical ball screw nut being meshed with the vertical ball screw;
• a large rotation motor fixed to the vertical movement bracket such that the large rotation motor provides an angular rotational force;
• a large turntable fixed to a rotation shaft of the large rotation motor such that the large turntable is angularly rotatable;
• a large rotation arm fixed to the large turntable such that the large rotation arm is angularly rotatable with respect to the vertical movement bracket;
• a small rotation motor fixed to a side surface of the large rotation arm such that the small rotation motor provides an angular rotational force;
• a small turntable fixed to a rotation shaft of the small rotation motor such that the small turntable is angularly rotatable;
• a small rotation arm fixed to the small turntable such that the small rotation arm is angularly rotatable with respect to the large rotation arm;
• an actuator fixed to the small rotation arm in a vertical lengthwise direction;
• a pulse diagnosis unit fixed to a lower end of the actuator, wherein the pulse diagnosis unit has a pulse sensor for converting a physical value of a pulse into an electrical signal, and is capable of pressing in an oblique direction;
• a central processing unit fixedly provided in the main frame, wherein the central processing unit processes an electrical signal output from the horizontal control motor, the vertical control motor, the large rotation motor, the small rotation motor, and the actuator;
• an image display unit outputting a signal processed by the central processing unit;
• and
• an operating unit allowing a processing signal of an operator to be input into the central processing unit.