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CN-121971015-A - Pressure measuring and controlling endoscope, matched accessory and pressure controlling method

CN121971015ACN 121971015 ACN121971015 ACN 121971015ACN-121971015-A

Abstract

The invention discloses a pressure measuring and controlling endoscope, a matched accessory and a pressure controlling method, belonging to the technical field of medical appliances, comprising an endoscope main body; the pressure regulating system comprises an endoscope main body, a pressure regulating valve assembly, a head end sensor, a transfusion tube, a main control chip and a control chip, wherein the pressure regulating valve assembly is arranged on the endoscope main body and used for regulating the sectional area of a fluid channel, the head end sensor is arranged at the head end of the endoscope main body and used for detecting the pressure of a target part, the transfusion tube is arranged on the endoscope main body and used for connecting an external pipeline, the main control chip is respectively and electrically connected with the pressure regulating valve assembly and the head end sensor and used for controlling the working state of the pressure regulating valve assembly according to the detection signal of the head end sensor, the pressure is detected in real time through the head end sensor and fed back to the main control chip, and the main control chip drives the pressure regulating valve core to move so as to regulate the sectional area of the fluid channel, so that the pressure regulating function is directly arranged in the endoscope main body, and automatic closed-loop control of the pressure in the cavity can be realized without depending on external special equipment.

Inventors

  • CHEN RENHUAN
  • CHEN CHANGXU
  • XU LINGWEI

Assignees

  • 善彤医疗科技(苏州)有限公司

Dates

Publication Date
20260505
Application Date
20260303

Claims (10)

  1. 1. A pressure measurement accuse pressure endoscope and supporting annex, characterized in that includes: An endoscope body; The pressure regulating valve assembly (1) is arranged on the endoscope main body and is used for regulating the sectional area of the fluid channel; A head end sensor (2) provided at the head end of the endoscope body, for detecting the pressure of a target site; the infusion tube (3) is arranged on the endoscope main body and is used for connecting an external pipeline; The main control chip (4) is electrically connected with the pressure regulating valve assembly (1) and the head end sensor (2) respectively and is used for controlling the working state of the pressure regulating valve assembly (1) according to the detection signal of the head end sensor (2); And the pressurizing mechanism is used for providing an auxiliary pressure source and realizing seamless switching of the infusion bag under the control of the main control chip (4) when the pressure regulation capability of the endoscope body is insufficient so as to maintain the continuous stability of the system pressure.
  2. 2. The pressure measurement accuse pressure endoscope and supporting annex of claim 1, characterized by also including set up in inside wireless module (5), LED lamp (6) and the host computer connecting wire (7) of endoscope main part, LED lamp (6) and wireless module (5) all are connected with main control chip (4) electricity.
  3. 3. The pressure measurement and control endoscope and associated accessories according to claim 1, characterized in that the pressure regulating valve assembly (1) comprises a pressure regulating valve seat (11) with an infusion inlet (114) and an infusion outlet (115), a pressure regulating valve core (12) arranged in the pressure regulating valve seat (11), a motor stator (13) and a motor rotor (14) connected with the pressure regulating valve core (12).
  4. 4. A pressure measurement accuse pressure endoscope and supporting annex according to claim 3, wherein motor rotor (14) include runner (141) and external screw thread (142), pressure regulating valve core (12) are provided with internal screw thread (122) with external screw thread (142) meshing.
  5. 5. The pressure measurement accuse pressure endoscope and supporting annex of claim 3, wherein pressure regulating valve seat (11) inner wall is provided with guide slot (111), pressure regulating valve core (12) outer wall is provided with guide boss (121) with guide slot (111) complex.
  6. 6. The pressure measurement accuse pressure endoscope and supporting annex of claim 3, wherein the tip of pressure regulating valve core (12) is provided with elastic head (123), the inner wall of pressure regulating valve seat (11) is provided with a plurality of seal groove (112), be provided with sealing washer (16) in the seal groove (112).
  7. 7. The pressure measurement accuse pressure endoscope and supporting annex of claim 3, wherein set up mounting hole (113) on pressure regulating valve seat (11), be provided with disk seat pressure sensor (15) in mounting hole (113), disk seat pressure sensor (15) and main control chip (4) signal connection.
  8. 8. The pressure measurement and control endoscope and associated accessories of claim 1, wherein the pressurizing mechanism comprises: A medical transfusion bracket (8); The pressurizing assembly (9) is arranged on the medical infusion support (8) and is used for fixing and extruding the medical infusion bag to provide pressure; the conveying assembly (10) is detachably connected with the pressurizing assembly (9) and is used for forming a two-way infusion channel; The conveying assembly (10) comprises a three-way pipe II (101), conical heads (103) are arranged at two ends of the three-way pipe II (101), one-way valves (102) are sleeved between the three-way pipe II (101) and the conical heads (103), and an infusion outlet pipe (104) is connected to the other end of the three-way pipe II (101).
  9. 9. The pressure measurement accuse pressure endoscope and supporting annex of claim 8, wherein pressure boost subassembly (9) include with the pressure boost gasbag (91) that conical head (103) are linked together, the top of pressure boost gasbag (91) is provided with relief valve (93), short couple (95) and long couple (96) respectively, the bottom of pressure boost gasbag (91) is provided with gravity switch (92), be provided with three-way pipe one (97) between gravity switch (92), the other end of three-way pipe one (97) is provided with air pump (94).
  10. 10. A pressure control method for a pressure measurement and control endoscope and a mating accessory, based on any one of claims 1-9, characterized by comprising the steps of: s1, continuously acquiring a target part pressure signal detected in real time by a head end sensor (2) by the main control chip (4), comparing the pressure signal with a preset safety pressure range, and generating a corresponding control decision according to a comparison result; S2, when the pressure signal deviates from a preset range, the main control chip (4) drives the pressure regulating valve assembly (1) to act preferentially, and the flow resistance is changed by adjusting the sectional area of the internal fluid channel of the main control chip, so that the pressure returns to the preset range; S3, the main control chip (4) monitors the regulating state of the pressure regulating valve assembly (1) in real time, and when the pressure regulating valve assembly (1) is judged to be at the maximum opening position but the pressure signal is still lower than the lower limit of the preset range, a supercharging control instruction is generated; S4, the main control chip (4) executes a pressurizing control instruction, the pressurizing mechanism is started to provide auxiliary pressure for the infusion pipeline, and the pressure regulating valve assembly (1) and the pressurizing mechanism are controlled in a cooperative mode continuously according to the pressure signal fed back by the head end sensor (2) until the system pressure is stable within a preset range.

Description

Pressure measuring and controlling endoscope, matched accessory and pressure controlling method Technical Field The invention relates to the technical field of medical instruments, in particular to a pressure measuring and controlling endoscope, a matched accessory and a pressure controlling method. Background Medical endoscopes are widely used as important tools for modern minimally invasive surgery in a plurality of clinical fields such as urinary surgery, gastroenterology and the like, enter the body through a natural cavity or a tiny incision of a human body, provide visual images for doctors and assist in completing diagnosis and treatment operations, in the endoscopic surgery process, maintaining proper intra-cavity pressure is crucial, tissue damage or discomfort of patients can be caused due to over-high pressure, the definition and operation space of the operation field can be affected due to over-low pressure, and therefore real-time monitoring and accurate control of intra-cavity pressure become key links for guaranteeing operation safety and effect. However, the existing endoscope does not have the capability of automatically adjusting pressure, when the pressure in the operation exceeds the preset range, doctors need to rely on external special pressure control equipment to adjust the infusion flow rate or pressure so as to realize the stabilization of the pressure in the cavity, and the external pressure control equipment is generally complex in structure and high in price, needs additional connecting pipelines and power supply support, so that the operation preparation time and operation complexity are increased, and the equipment purchase and maintenance cost of a medical institution is also increased. In addition, the existing endoscope and the pressure control device are of split design, so that pressure fluctuation is easy to be caused when an infusion bag is replaced or a pressure source is regulated in an operation, the continuity and stability of the operation are possibly affected, the portability and the integration level of an endoscope system are limited due to the use of external equipment, and quick deployment and application are difficult in partial medical scenes. Disclosure of Invention The invention overcomes the defects of the prior art and provides a pressure measuring and controlling endoscope, a matched accessory and a pressure controlling method. In order to achieve the purpose, the invention adopts the technical scheme that the pressure measuring and controlling endoscope and the matched accessories comprise: An endoscope body; The pressure regulating valve assembly is arranged on the endoscope main body and used for regulating the sectional area of the fluid channel; a head end sensor provided at a head end of the endoscope body for detecting a pressure of a target site; the infusion tube is arranged on the endoscope main body and is used for connecting an external pipeline; the main control chip is respectively and electrically connected with the pressure regulating valve assembly and the head end sensor and is used for controlling the working state of the pressure regulating valve assembly according to the detection signal of the head end sensor; And the pressurizing mechanism is used for providing an auxiliary pressure source and realizing seamless switching of the infusion bag under the control of the main control chip when the pressure regulation capability of the endoscope body is insufficient so as to maintain the continuous stability of the system pressure. In a preferred embodiment of the invention, the endoscope further comprises a wireless module, an LED lamp and a host connecting wire which are arranged in the endoscope main body, wherein the LED lamp and the wireless module are electrically connected with the main control chip. In a preferred embodiment of the present invention, the pressure regulating valve assembly includes a pressure regulating valve seat having an infusion inlet and an infusion outlet, a pressure regulating valve core disposed in the pressure regulating valve seat, a motor stator, and a motor rotor connected to the pressure regulating valve core. In a preferred embodiment of the invention, the motor rotor comprises a rotating wheel and external threads, and the pressure regulating valve core is provided with internal threads meshed with the external threads. In a preferred embodiment of the present invention, a guiding groove is provided on the inner wall of the pressure regulating valve seat, and a guiding boss matched with the guiding groove is provided on the outer wall of the pressure regulating valve core. In a preferred embodiment of the invention, an elastic head is arranged at the end part of the pressure regulating valve core, a plurality of sealing grooves are arranged on the inner wall of the pressure regulating valve seat, and sealing rings are arranged in the sealing grooves. In a preferred embodiment of the invention, the