16 results about "Catheter drainage" patented technology

The present application relates to the technical field of gas detection, and particularly relates to a catheter drainage detection device and method. The device comprises the following steps: determining the initial opening degree of a pressure difference regulating valve and a flow regulating valve according to a gas flow characteristic value; determining whether the gas flow rate fluctuates according to the average flow rate change amount of the gas flow rate in the catheter at two adjacent time points; determining the adjustment of the initial opening degree of the flow regulating valve according to the difference between the average flow rate change amount of the gas in the catheter and a preset average flow rate change amount; determining whether the gas flow rate fluctuation tends to be stable and adjusting according to the fluctuation attenuation of the adjusted gas flow rate; determining the optimization of the pressure difference regulating valve and the preset fluctuation attenuation according to the predicted opening degree value of the pressure difference regulating valve after the change of the gas characteristics based on historical data; and completing the detection of the gas after the optimization of the pressure difference regulating valve and the preset fluctuation attenuation. The present application solves the problems of multi-gas adaptive detection and response speed.

To provide a system for percutaneous drainage of a drainage site.SOLUTION: A system for percutaneous drainage of a drainage site includes a catheter, a drain tube, a first pump, a flush tube, a second pump, and a controller. The catheter includes a drain lumen defined by a first portion of the catheter wall and the septum, and a flush lumen defined by a second portion of the catheter wall and the septum and separated from the drain lumen by the septum. The septum has at least one septum hole disposed therein such that the drain lumen and the flush lumen are in communication via the at least one septum hole. The catheter wall has at least one wall aperture disposed therein such that the drain lumen is in communication with the drainage site when the distal end portion of the catheter is disposed within the drainage site.SELECTED DRAWING: Figure 1A

The invention discloses an external pressure device for preventing ascites leakage after an abdominal cavity catheter drainage tube is pulled out, and relates to the technical field of medical instruments, and the external pressure device is characterized by comprising a body, the front surface of the body is a plane, and the back surface of the body is a spherical convex surface. The external pressure device is the same as the go pieces in shape. The diameter of the body ranges from 1.5 cm to 3.5 cm, and the height of the body ranges from 0.5 cm to 1.5 cm. Fixing grooves are formed in the front face of the body. According to the external pressure device, continuous and uniform pressure can be applied to an abdominal cavity puncture point through the spherical convex surface, ascites leakage is effectively prevented, and the problems of clothes and bedding pollution, skin impregnation and the like caused by ascites leakage are reduced. The drainage tube can be stably fixed through the design of the fixing groove, looseness and displacement of the drainage tube are prevented, and smooth drainage is guaranteed.

The utility model discloses a thoracic cavity closed drainage bottle, which comprises a drainage bottle, the drainage bottle is provided with a drainage tube and a negative pressure tube, the end part of the drainage tube is provided with two switch valves A, a suction head is arranged between the two switch valves A, the negative pressure tube is provided with a switch valve B, and the end part of the negative pressure tube is connected with a portable pressure regulator. And the drainage bottle is provided with a detachable portable belt. Compared with the prior art, the drainage tube has the advantages that the switch valve A plays a role in isolating air, so that the air is prevented from entering the thoracic cavity along the catheter and the drainage tube, and the safety of drainage liquid sample collection is high; the negative pressure tube is directly connected with the portable pressure regulator without connecting a long catheter, so that the patient is not interfered to get out of bed to move.

The utility model relates to a medical catheter, a drainage tube and a catheter. The medical catheter comprises a catheter body, a temperature measuring assembly and a pressure measuring piece. The tube body is provided with a drainage cavity and a measuring cavity which are independent of each other, the drainage cavity and the measuring cavity both penetrate through the near end and the far end of the tube body, and the drainage cavity is used for perfusing or extracting liquid medicine from a target cavity. The temperature measuring assembly comprises a temperature measuring probe, the temperature measuring probe is arranged at the far end of the measuring cavity, and the temperature measuring probe is used for acquiring the temperature of the liquid medicine in the target cavity. The pressure measuring piece is connected to the near end of the measuring cavity in a sealed mode and used for obtaining the pressure in the measuring cavity. According to the medical catheter, the drainage tube and the catheter, the accuracy and the safety of liquid medicine perfusion can be improved.

In order to solve the technical problem of poor stability of a catheter in vivo in the prior art, the utility model provides the extracorporeal circulation catheter with the sensor, the extracorporeal circulation catheter comprises an intracorporeal end head, the intracorporeal end head is provided with a drainage port along the catheter wall, and the sensor is arranged at the front end and / or the rear end of the drainage port. The sensor is additionally arranged near the drainage opening of the catheter to monitor the liquid pressure of the catheter in the environments where the catheter is located at different positions, and the aorta pressure waveform of a patient is combined, so that the position of the head of the inner end of the catheter can be judged, an operator can be conveniently guided to insert the catheter in place without monitoring, and the operation efficiency is improved. And in addition, the position of the extracorporeal circulation guide pipe and the flow and pressure conditions in the guide pipe can be monitored during the operation period of the extracorporeal centrifugal pump, so that the stability and safety of the guide pipe in the body are improved.

An apparatus for supporting a catheter drainage bag or wound care drainage bag on a wheelchair includes an upper arm having a free end and a second end, a lower arm having an end connected to the second end of the upper arm and a supporting end, a cross bar extending perpendicular to longitudinal dimensions of the upper arm and the lower arm, and suspending arms extending between the supporting end of the lower arm and ends of the cross bar. A wheelchair with a catheter drainage bag or wound care drainage bag supporting apparatus is also provided.

The application relates to the field of auxiliary unblocking technology of salivary gland ducts, and discloses an auxiliary unblocking device for salivary gland ducts, which comprises a conveying mechanism fixedly connected to the outer wall of a main body and used for conveying or extracting physiological saline, a pushing mechanism slidingly connected to the inner wall of the main body and used for plugging the salivary gland duct, and a drainage mechanism fixedly connected to the inner wall of the conveying mechanism and used for controlling the flow direction of the physiological saline. When the taper pipe passes through impurities, the impurities are arranged between the taper pipe and the main body, the operator pushes the push rod, the sponge ball reaches the inside of the salivary gland duct, the sponge ball is blocked by the elasticity of the sponge ball and the spring sheet, the physiological saline is arranged between the sponge ball and the end of the main body, the inside of the duct is rapidly accumulated with enough pressure, effective turbulent flow is formed, the impurity dispersion efficiency is improved, and the cleaning speed is accelerated.

The invention relates to the technical field of auxiliary smoothing of a salivary gland duct, and discloses an auxiliary smoothing device for the salivary gland duct, which comprises a conveying mechanism fixedly connected to the outer wall of a main body and used for conveying or extracting normal saline, and a thrust mechanism slidably connected to the inner wall of the main body and used for blocking the salivary gland duct, the drainage mechanism is fixedly connected to the inner wall of the conveying mechanism and used for controlling the flowing direction of normal saline, by arranging the push rod, when the taper pipe crosses impurities and the impurities are located between the taper pipe and the main body, an operator pushes the push rod to enable the sponge ball to reach the interior of the salivary gland catheter, and the sponge ball can be driven by the sponge ball through elasticity brought by the sponge ball and an elastic piece; in this way, normal saline is located between the sponge ball and the end of the main body, enough pressure is rapidly accumulated in the catheter, effective turbulent flow is formed, the impurity dispersing efficiency is improved, and the cleaning speed is increased.

The utility model relates to the technical field of abdominal cavity puncture, in particular to an anti-falling device of an abdominal cavity puncture indwelling catheter drainage tube. Comprising a positioning mechanism and a connecting belt, the positioning mechanism comprises a U-shaped shell, one end of the connecting belt is fixedly arranged at the position, close to the bottom end, of one side of the U-shaped shell, a medical adhesive tape is fixedly connected to the lower side wall of the U-shaped shell, a cover plate is hinged to the upper side wall of the U-shaped shell, and a positioning assembly is arranged on the cover plate. After the drainage tube is preliminarily fixed in the U-shaped shell through the pre-positioning clamp, medical staff rotates the cover plate in the direction close to the U-shaped shell, one end of the clamping hook is clamped into the clamping groove, the position of the cover plate on the U-shaped shell is fixed through cooperation of the clamping hook and the clamping groove, the cover plate stops the drainage tube from moving out of the U-shaped shell, and the drainage tube is fixed through the clamping hook and the clamping groove. Therefore, the drainage tube is secondarily fixed, medical staff can conveniently fix the drainage tube in the U-shaped shell, and the efficiency of fixing the drainage tube on the abdomen of a patient by the medical staff is improved.

System and methods for draining an abscess with a catheter. The system includes a catheter and a stiffener. The catheter has a first lumen and a second lumen. The stiffener is sized to fit inside the first lumen. The stiffener defines a channel sized to fit the second lumen such that a distal end of the stiffener can pass into and through the first lumen of the catheter with the second lumen positioned in the channel of the stiffener while the stiffener slides through the first lumen.

The invention provides a catheter drainage device for a biliopancreatic operation, and relates to the technical field of medical instruments. The limiting assembly is mounted on the right side of the drainage assembly; the suction assembly is mounted on the right side of the drainage assembly; the driving assembly is mounted on the left side of the drainage assembly; the positioning assembly is mounted on the left side of the driving assembly; the stabilizing assemblies are installed on the front side and the rear side of the drainage assembly. The sealed collection box is mounted in the rectangular drainage box body in a sliding manner; the U-shaped handle is fixedly mounted on the right side of the sealed collection box; the semicircular protection head is fixedly mounted at the bottom of the drainage hose; the reciprocating motion block drives the drainage hose to move back and forth in a reciprocating mode, manual movement of the drainage hose by medical staff is simulated, and drainage can be conveniently conducted on different positions of a biliopancreatic operation; the problems that only the same position can be sucked during drainage, medical workers need to frequently move a drainage tube to adjust the drainage position, and the labor intensity of the medical workers is large are solved.

The utility model discloses a simulation catheter teaching simulation appliance, which comprises a rubber arm, a rubber hand and a fixing ring, cavities are arranged in the rubber arm and the rubber hand, the fixing ring is fixedly connected onto the rubber arm for fixing and assisting, a circulation mechanism is arranged on the fixing ring, and the circulation mechanism is connected with the rubber arm. The circulating mechanism comprises a water injection bottle, a double-end catheter, a drainage tube and an adjusting knob; the water injection bottle is communicated with the rubber arm and the rubber hand through the double-end catheter; by means of the mechanism, a user can adjust the flow according to teaching requirements and simulate the blood flow speed in different physiological states, students can visually feel the impact force of the blood flow on the catheter and the stability of the catheter in the blood flow, more real and dynamic operation experience is provided for the students, the mastering degree of the students on catheter operation skills is effectively improved, and the teaching efficiency is improved. Understanding of the vascular structure and catheter operation is enhanced, and the ability to deal with real operation scenes is improved.

The application discloses intensive care nursing drainage equipment and belongs to the technical field of medical nursing equipment, which comprises a supporting seat and an extension seat, the surface of the supporting seat is concave in an arc shape, and further comprises a fixed sleeve ring fixedly installed on the surface of the extension seat, the upper surface of the fixed sleeve ring is fixedly connected with a vertical plate, the top of the vertical plate is fixedly connected with a rotating seat, the surface of the rotating seat is hingedly connected with a connecting plate, one end of the connecting plate close to the supporting seat is rotatably connected with an arc-shaped plate, the lower surface of the connecting plate is provided with a synchronous assembly, the position of the upper side of the supporting seat close to the synchronous assembly is provided with a lifting assembly for lifting a drainage tube, the synchronous assembly comprises two convex plates fixedly connected with the lower surface of the connecting plate, and the lower surface of the convex plate is fixedly connected with a guide groove plate. The application solves the problem that when a catheter is used for drainage for a severe patient whose nervous system is damaged due to a car accident or other reasons, the hands of the patient are not controlled to move and are easy to entangle and touch and damage the catheter, and the effusion backflow.

A surgical method for insertion of an implant for eye diseases may include: cutting a portion of a sclera of an eyeball to form a scleral flap to be lifted up from the eyeball; inserting an end of a tube including a hole for aqueous humor drainage from an anterior chamber of the eyeball into the eyeball through an area beneath the scleral flap; and covering the tube exposed to outside of the eyeball with the scleral flap. Herein, an opposite end of the tube is not inserted into the eyeball. Further, covering with the scleral flap comprises the step of placing the scleral flap on the tube without suturing of the scleral flap that leads to blockage or narrowing of a route of the aqueous humor drainage through the tube exposed to the outside of the eyeball.

The invention relates to the technical field of hepatobiliary and pancreatic surgical drainage, and discloses a novel hepatobiliary and pancreatic surgical drainage device which comprises a drainage frame, the top of the drainage frame is communicated with a ball valve, the top of the ball valve is communicated with a connecting pipe, a catheter is inserted into the surface of the connecting pipe, and a drainage component is arranged in the drainage frame; the drainage component comprises a negative pressure frame, and the top of the negative pressure frame is fixedly connected with the top of the inner wall of the drainage frame. After a catheter is placed at the position, needing to be treated, of a patient, a lifting ring is pushed to slide on the surface of a drainage frame, a bent frame is pushed to move downwards through a rotating ring when the lifting ring slides downwards, a sliding rod pushes a pressure plate to move in a negative pressure frame through movement of the bent frame, and negative pressure can be generated when the pressure plate moves in the negative pressure frame; negative pressure is transmitted into the catheter through the ball valve and the connecting pipe, the catheter discharges pus in the body of a patient through the negative pressure, the pressure plate can generate the negative pressure when moving downwards in the negative pressure frame, and the negative pressure providing stability of the negative pressure frame is improved.