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CN-122005976-A - Anti-leakage abdominal cavity drainage tube

CN122005976ACN 122005976 ACN122005976 ACN 122005976ACN-122005976-A

Abstract

The application relates to the technical field of medical appliances for delivering media to a human body, in particular to an anti-leakage abdominal cavity drainage tube. The application discloses an anti-leakage abdominal cavity drainage tube, wherein a sealing air bag is annular and sleeved on the periphery of a connector, a sheet-shaped pressure sensor is arranged at one end of a piston part, which is far away from a needle cylinder, the anti-leakage abdominal cavity drainage tube provided by the application has a crescent cross section and provides a foundation for clamping an inner pressure measuring tube, the pressure measuring air bag is connected to the front end of the inner pressure measuring tube, the sealing air bag is annular and sleeved on the periphery of the connector, an inflation tube of the sealing air bag passes through a groove and does not interfere with the fixation of a pressing head, at the moment, the sealing air bag and the pressing head together realize the fixation and closure of the anti-leakage abdominal cavity drainage tube on an operation opening, and when an injector assembly is operated, the pressure measuring air bag is inflated, the pressure sensor can obtain a pressure signal, and then the pressure signal is converted into a pressure value, and the abdominal cavity internal pressure can be converted.

Inventors

  • ZHUO YUE
  • ZHANG YA
  • YE XI
  • WANG JIE
  • FU LIRONG
  • TANG SHANHONG

Assignees

  • 中国人民解放军西部战区总医院

Dates

Publication Date
20260512
Application Date
20260330

Claims (10)

  1. 1. An anti-leakage abdominal cavity drainage tube, comprising: The middle part of the cross section of the inner suction pipe is eccentrically provided with a circular channel so as to be crescent, and the outer wall of the front end of the inner suction pipe is provided with a plurality of liquid inlets; the inner pressure measuring pipe is clamped and fixed in the channel; the pressure measuring air bag is connected to the front end of the inner pressure measuring pipe; The connector is columnar, a liquid receiving pipe and an air receiving pipe which are communicated to the rear end of the connector are arranged at the front end of the connector, the front ends of the liquid receiving pipe and the air receiving pipe are respectively connected with the inner suction pipe and the inner pressure measuring pipe, the connector extends to a groove at the rear end from the middle part, and a thread structure is arranged at the periphery of the rear end of the connector; The pressing head is in threaded connection with the rear end of the connector, and a buffer layer is arranged at one end of the pressing head, which is close to the inner suction tube; an outer suction tube connected to the rear end of the liquid receiving tube, wherein the inner suction tube and the outer suction tube are both hoses; the outer pressure measuring tube is connected to the rear end of the gas receiving tube, and the free end of the outer pressure measuring tube is detachably provided with a first sealing head, wherein the inner pressure measuring tube and the outer pressure measuring tube are made of soft plastic, aluminum and copper; the sealing air bag is annular and sleeved on the periphery of the connector, an inflation tube which penetrates through the groove is led out of the sealing air bag, a second sealing head is detachably arranged at the free end of the inflation tube, and the sealing air bag and the pressure measuring air bag are made of elastic materials; The injector assembly comprises a needle cylinder and a piston part which are mutually matched, wherein the needle cylinder is detachably connected to the outer end of the outer pressure measuring tube, and a sheet-shaped pressure sensor is arranged at one end, far away from the needle cylinder, of the piston part.
  2. 2. The anti-leakage abdominal cavity drainage tube according to claim 1, wherein the rear end of the air receiving tube is identical to the free end of the air charging tube in shape.
  3. 3. The anti-leakage abdominal drainage tube according to claim 1, wherein the pressure sensor comprises a sensing part, a processing part, a power supply and a display part, the sensing part is piezoelectric, the power supply supplies power to the processing part and the display part, and the processing part processes signals of the sensing part and displays the processed signals on the display part.
  4. 4. A drain tube according to any one of claims 1 to 3, wherein the outer diameter of the inner suction tube is 1.5 to 3 times the diameter of the channel.
  5. 5. A drain tube according to any one of claims 1 to 3, wherein the pressure measuring bladder is cylindrical.
  6. 6. A drain tube according to any one of claims 1 to 3, wherein the materials of the pressure measuring bladder and the sealing bladder are elastic silica gel or polyurethane.
  7. 7. A drain tube according to any one of claims 1 to 3, wherein the needle cylinder is provided with graduations.
  8. 8. A drain tube according to any one of claims 1 to 3, wherein the buffer layer is a foam material.
  9. 9. A drain tube according to any one of claims 1 to 3, wherein the free end of the outer suction tube is detachably connected to a negative pressure bag.
  10. 10. A drain tube according to any one of claims 1 to 3, wherein the front end of the inner suction tube is closed and rounded.

Description

Anti-leakage abdominal cavity drainage tube Technical Field The invention relates to the technical field of medical appliances for delivering media to a human body, in particular to an anti-leakage abdominal cavity drainage tube. Background In the prior art, as a medical apparatus commonly used in surgery, an abdominal cavity drainage tube is generally made of materials with excellent biocompatibility, such as silica gel or polyurethane, and the main body of the abdominal cavity drainage tube is a soft and elastic hollow hose structure, and the tail end of the abdominal cavity drainage tube is always designed into a smooth round head shape so as to reduce the risk of irritation and damage to surrounding tissues. The core functional structure of the drainage tube mainly comprises a tube body side hole, a built-in supporting structure and a standardized interface part. The side hole of the tube body refers to a plurality of tiny holes which are distributed in a spiral shape along the tail end area of the catheter or the tube body, and the aperture of the side hole is generally between 1 and 3 millimeters. The supporting structure is a metal spring ring or a hard plastic inner core embedded in part of the high-end drainage tube, and has the functions of enhancing the rigidity of the tube body, preventing the tube cavity from collapsing during negative pressure suction, and being particularly suitable for drainage of viscous liquid such as pus, accumulated blood or necrotic tissues and the like. The standardized connector is positioned at the tail end of the drainage tube and is used for connecting negative pressure suction equipment or a disposable drainage bag so as to ensure smooth and controllable drainage process. In clinical use, the closure between the drainage tube and the surgical wound of the patient's abdominal wall is typically secured by means of medical adhesive or sterile gauze on the surface of the skin. However, this conventional fixing method is difficult to achieve firm fixing of the drainage tube, and effusion or effusion in the abdominal cavity may leak along the tube wall, not only impairing the adhesive effect of the rubberized fabric or gauze, resulting in an increased risk of displacement or falling off of the drainage tube, but also possibly causing impregnation, contamination or even infection of surrounding skin, causing additional hygiene and nursing problems. Meanwhile, the conventional drainage tube cannot monitor the pressure in the abdominal cavity, and the cost of the pressure sensor is increased, and meanwhile, the action of a patient is inconvenient. Disclosure of Invention The invention mainly aims to provide an anti-seepage abdominal cavity drainage tube, and aims to solve the problems that the drainage tube is inconvenient to fix, liquid is easy to leak along the tube wall and pressure test is difficult to realize. In order to achieve the above object, the present invention provides an anti-leakage abdominal cavity drainage tube, comprising: The middle part of the cross section of the inner suction pipe is eccentrically provided with a circular channel so as to be crescent, and the outer wall of the front end of the inner suction pipe is provided with a plurality of liquid inlets; the inner pressure measuring pipe is clamped and fixed in the channel; the pressure measuring air bag is connected to the front end of the inner pressure measuring pipe; The connector is columnar, a liquid receiving pipe and an air receiving pipe which are communicated to the rear end of the connector are arranged at the front end of the connector, the front ends of the liquid receiving pipe and the air receiving pipe are respectively connected with the inner suction pipe and the inner pressure measuring pipe, the connector extends to a groove at the rear end from the middle part, and a thread structure is arranged at the periphery of the rear end of the connector; The pressing head is in threaded connection with the rear end of the connector, and a buffer layer is arranged at one end of the pressing head, which is close to the inner suction tube; an outer suction tube connected to the rear end of the liquid receiving tube, wherein the inner suction tube and the outer suction tube are both hoses; the outer pressure measuring tube is connected to the rear end of the gas receiving tube, and the free end of the outer pressure measuring tube is detachably provided with a first sealing head, wherein the inner pressure measuring tube and the outer pressure measuring tube are made of soft plastic, aluminum and copper; the sealing air bag is annular and sleeved on the periphery of the connector, an inflation tube which penetrates through the groove is led out of the sealing air bag, a second sealing head is detachably arranged at the free end of the inflation tube, and the sealing air bag and the pressure measuring air bag are made of elastic materials; The injector assembly comprises a needle cylinder a