RU108975U1 - System for intracavitary exposures - Google Patents

Abstract

 A system for intracavitary influences, including three catheters, the first of which is equipped with a clamp, a pressure measuring device is connected to the second, and a pumping device is connected to the third with a clamp, as well as a three-port port, characterized in that a thick plastic needle is additionally connected to the first catheter, and at the third catheter, the injection device is made in the form of a 150 ml Janet syringe and is equipped with a plastic fitting; the connection of the third catheter with the three-way port is carried out by means of two bends of the second identical three-way port, to the third bend of which is connected an additional catheter equipped with a clamp with a second injection device made in the form of a 20 ml syringe; three-way ports are interconnected, as well as with catheters of injection devices and the first catheter using plastic adapters.

Description

The utility model relates to medicine, in particular to surgery, and can be used to measure and correct intracavitary pressure, as well as to introduce various gaseous substances into the body cavity for therapeutic or experimental purposes.

A device for measuring bone marrow pressure is known / RF Patent No. 2320257, АВВ 5/00, BIPM No. 9, 03/27/2008, g / including a manometer, connecting hose and a tip made with a longitudinal through channel, the outer surface of which is threaded, a hexagon for a nut a wrench, with a fitting designed to connect one of the two ends of the connecting hose, worn with an elastic gasket on the fitting and creating, when the tip is screwed into the hole, a sealed connection to the bone surface. The distal end of the through canal is configured to cross it in the transverse direction with at least one more through canal to increase the area of interaction with the bone marrow to an area commensurate with the cross-sectional area of the longitudinal through canal. However, this device is intended only for measuring intraosseous pressure and does not provide for its correction and local therapy with the introduction of the necessary drugs.

Closest to the proposed one is the device used in the method for measuring intra-abdominal pressure / RF Patent No. 2284747, АВВ 5/03, BIPM No. 28, 10/10/2006 g /, including intraoperative implantation of a sterile balloon of elastic material, latex rubber with a capacity of 60 ml, in free abdominal cavity. After implantation, the balloon is connected to a polyvinyl chloride catheter equipped with a clamp, which is brought to the anterior abdominal wall through a separate puncture in the flank area. In this case, the catheter is connected using a three-port port with a device for pumping air, for example a syringe, and with an apparatus for measuring pressure using two similar catheters with clamps. They pump air into the balloon in the abdominal cavity, creating an artificial reservoir that allows you to measure intra-abdominal pressure during the postoperative period and is easily removed after the procedure. However, this device is designed only to measure intra-abdominal pressure without the possibility of its correction and the introduction of the necessary substances into the abdominal cavity. In addition, the determination of intra-abdominal pressure occurs indirectly: through an intermediate reservoir, which complicates the measurement process and reduces the accuracy of the results.

The objective of the proposed utility model is the measurement and correction of intracavitary pressure, ensuring the safe introduction of various gaseous substances in the body cavity.

The problem is solved due to the fact that a thick plastic needle is additionally connected to the first catheter, and at the third catheter, the injection device is made in the form of a 150 ml Janet syringe and is equipped with a plastic fitting; the connection of the third catheter with the three-way port is carried out by means of two bends of the second identical three-way port, to the third bend of which is connected an additional catheter equipped with a clamp with a second injection device made in the form of a 20 ml syringe; three-way ports are interconnected, as well as with catheters of injection devices and the first catheter using plastic adapters.

The system for intracavitary exposures (Fig. 1) consists of a mechanical or electronic pressure gauge (1) with a mercury scale equipped with a rubber catheter (2), a 150 ml disposable Janet syringe (3), equipped with a plastic fitting (4), and a 20 ml syringe (5), two plastic three-way ports (6, 7), equipped with four plastic adapters (8, 9, 10, 11), three polyvinyl chloride catheters (15, 16, 17) with plastic clips (12, 13, 14) and a thick plastic needle (18) with air valve (19). The system is assembled by connecting to one of the three-way ports (7) a manometer (1) on a rubber catheter (2) and two plastic adapters (9, 11), to one of which (11) a PVC catheter (17) is attached, directed into the body cavity and to the other (9) - the second three-port port (6), from which, in turn, through the two plastic adapters (8, 10) a PVC catheter (15) with a fitting (4) and a Janet syringe (3) and polyvinyl chloride leave catheter (16) with a 20 ml syringe (5). A thick plastic needle taken from the drip infusion system (18) taken from the drip infusion system is additionally attached to the free end of the polyvinyl chloride catheter (17), having previously cut off the dropper from its base and closing the air valve (19).

The operation of the system begins after preliminary puncture of the body cavity and its drainage using a thick plastic needle (18) on a polyvinyl chloride catheter (17). Before starting work on the system, all the clamps are closed (12, 13, 14) and, after anesthetics on the prepared and treated surgical field, they are injected with a thick plastic needle (18) on the catheter (17), passing through the tissue layers (20) to the lumen of the cavity ( 21), using, if necessary, a small incision of the superficial tissues at the puncture site with possible dissection of the muscle layers to facilitate accurate needle advancement (18). Work begins with the measurement of intracavitary pressure, opening the clamp (14) on the catheter (17), and the pressure gauge (1) is recorded. If it is necessary to correct the intracavitary pressure or introduce the necessary gaseous substances into the cavity, the Janet syringe (3) is filled with the desired gaseous substance and connected to the system sealed with clamps (12, 13) through the fitting (4) on the polyvinyl chloride catheter (15), after which the Janet syringe (3) communicates with the body cavity, opening the clamp (12) of the polyvinyl chloride catheter (15), and the substance is slowly introduced, controlling the change in the pressure digits on the pressure gauge (1). If there is excess pressure in the cavity, as well as when an excess volume of gas is introduced into the cavity, a vacuum is created in the Jean syringe (3) with the clamp open (12) until lower numbers appear on the pressure gauge (1). In the same way, an additional 20 ml syringe (5) is used with the clamp (13) of the polyvinyl chloride catheter (16) open, intended for more accurate correction of the pressure in the cavity and the volume of introduced gaseous substances. In this case, after reaching the desired pressure in the cavity, the readings of the device (1) are additionally controlled by blocking the clamp (12 or 13) of the working syringe (3 or 5) or both clamps (12, 13) when working with two syringes (3, 5). If it is necessary to equalize the pressure inside and outside the cavity, it is communicated with the external environment, opening the air valve (19) of the plastic needle (18). After the manipulation, a thick plastic needle (18) is hermetically removed from the cavity, if necessary, suturing the incision at the puncture site. In the case of repeated use of the device, work is completed without removing the needle (18) from the cavity, disconnecting the polyvinyl chloride catheter (17) from the adapter (11), having previously closed the clamp (14), and then use the left catheter (17) on the needle (18) for further manipulations by hemming his skin. If there is a tubular drainage installed in the cavity, communication of the system elements with the cavity can be carried out by connecting the external end of the drainage tube to the adapter (11) without using a catheter (17) on the needle (18).

The advantages of the proposed utility model are: the possibility of correcting intracavitary pressure and the possibility of intracavitary injections of various gaseous substances.

Claims (1)

The system for intracavitary influences, including three catheters, the first of which is equipped with a clamp, a pressure measuring device is connected to the second, and a pumping device is connected to the third with a clamp, as well as a three-port port, characterized in that a thick plastic needle is additionally connected to the first catheter, and at the third catheter, the injection device is made in the form of a 150 ml Janet syringe and is equipped with a plastic fitting; the connection of the third catheter with the three-way port is carried out by means of two bends of the second identical three-way port, to the third bend of which is connected an additional catheter equipped with a clamp with a second injection device made in the form of a 20 ml syringe; three-way ports are interconnected, as well as with catheters of injection devices and the first catheter using plastic adapters.