RU2020978C1 - Device for dilation of tubular organs of patient - Google Patents

Abstract

FIELD: medical equipment. SUBSTANCE: device has probe provided with elastic balloon, pump feed medium chamber, pressure in which is inspected by manometer, variable capacity receiver, working medium chamber and pressure pulser. Pressure pulser is made in form of manual hydraulic pump. Subpiston space of the pump is connected with variable capacity of receiver through channels and with working medium chamber through inlet and outlet back valves. Variable capacitance of the receiver and working medium chamber are connected by channel which is covered by throttle. Space of receiver and pump feed medium chamber are separated by pistons, which have diameters larger than diameter of piston of manual pump. Pistons of the separated chambers are connected together by rod. Capacity of receiver, pump feed chamber and pistons are made removable. Calibration is made onto rod of piston of pump feed medium chamber for regulating space of pumped medium. EFFECT: simplified design of the device; simplified exploitation. 2 cl, 1 dwg

Description

 The invention relates to medical equipment and can be used in the treatment of pathological narrowing of the tubular organs: esophagus, stomach, intestines, bile ducts, blood vessels.

 A device for dilating the tubular organs of a patient, comprising a probe with an elastic balloon, an injection chamber, the pressure of which is controlled by a manometer, a receiver of variable capacity, a working medium chamber and a pressure pulsator.

 The main disadvantage of the known device is the design complexity due to the presence of an electromagnetic system.

 The purpose of the invention is the cheapening of the design of the device and its operational properties.

 This goal is achieved by the fact that in the device for dilatation of the patient’s tubular organs containing a probe with an elastic balloon, an injection chamber, the pressure of which is controlled by a pressure gauge, a variable capacity receiver, a working medium chamber and a pressure pulsator, the latter is made in the form of a manual hydraulic pump, the piston cavity of which connected by channels with a variable receiver capacity and a medium chamber, respectively, through exhaust and inlet check valves, and a variable receiver capacity and a medium chamber are interconnected by a channel blocked by a valve, and the receiver’s tanks and the pumped chamber are separated by a piston, the diameter of which is larger than the diameter of the hand pump piston. The difference in these diameters makes it possible to reduce the complexity of the operation of the device due to the use of small manual efforts.

 To regulate the volume of the pumped medium, the reservoir capacity and the chamber of the pumped medium are separated by two pistons interconnected by a rod, and the tank of the receiver, the chamber of the pumped medium and pistons are detachable, and graduation is applied to the piston rod of the chamber of the pumped medium.

 The drawing shows the described device for dilatation of the tubular organs of the patient, General view.

 The device comprises a probe with an elastic balloon 1, a chamber of the injected medium 2, the pressure of which is controlled by a pressure gauge 3, a receiver of variable capacity 4, a chamber of the working medium 5 and a pressure pulsator 6.

 The pressure pulsator is made in the form of a manual hydraulic pump 7, the piston cavity 8 of which is connected by a channel 9 with a variable receiver capacity through an outlet check valve 10 and a channel 11 - with a working medium chamber through an inlet check valve 12. The variable reservoir capacity and the working medium chamber are interconnected by a channel 13, by a shut-off valve 14. The reservoir capacity and the chamber of the pumped medium are separated by pistons 15 and 16 connected by a rod 17. The diameters of the pistons 15 and 16 are larger than the diameter of the piston 18 of the hand pump.

 The hand pump contains a piston 18, a spring 19 and a handle 20 and creates a pulsating pressure as follows. By pressing the handle 20, the working fluid from the cavity 8 through the exhaust check valve 10 enters the reservoir 4.

 When you release the handle 20, the spring 19 returns the piston 18 to its original position. Thus from the chamber of the working medium 5 through the inlet check valve 12 receives a new portion of the working fluid. Graduation is applied to the stem 17 to control the volume of the injected medium. The chamber of the injection medium 2, the capacity of the receiver 4, the rod 17 and the piston 15 are made detachable, for example, a bayonet-type connection.

 A device for dilating the tubular organs of a patient operates as follows. After introducing the probe with an elastic balloon 1 into the region of narrowing of the channel with the help of valve 14, the basic pressure necessary to expand the balloon by the amount of narrowing of the tubular organ is created. Then, using the hand pump 7, an additional pulsating pressure is created in order to act on the walls of the organ as the constrictions expand and the base pressure decreases due to the valve 14, it is constantly corrected to the initial level according to the pressure gauge 3.

Claims (2)

 1. DEVICE FOR DILATING TUBULAR ORGANS OF A PATIENT, comprising a probe with an elastic balloon, a chamber of an injected medium with a manometer, a reviser of a variable capacity, a chamber of a working medium and a pressure pulsator, characterized in that the pressure pulsator is made in the form of a manual hydraulic pump, the piston cavity of which is connected by channels with the variable capacity of the receiver and the chamber of the working medium, respectively, through the exhaust and inlet check valves, and the variable capacity of the receiver and the chamber of the working medium are interconnected by a channel, blocking emym valve, wherein the receiver tank and the chamber pumped medium being separated by a piston, whose diameter is larger than the diameter of the piston hand pump.  2. The device according to claim 1, characterized in that the reservoir of the receiver and the chamber of the pumped medium are separated by two pistons connected by a rod, and the tank of the receiver, the chamber of the pumped medium and pistons are detachable, and a graduation is applied to the piston rod of the chamber of the pumped medium to regulate the volume of injected medium.