Search

CN-121987303-A - Cricothyroid membrane puncture auxiliary device convenient to location

CN121987303ACN 121987303 ACN121987303 ACN 121987303ACN-121987303-A

Abstract

The invention relates to the technical field of medical assistance, in particular to a cricothyroid membrane puncture auxiliary device convenient to position, which comprises a needle cylinder and an arc-shaped positioning plate, wherein puncture needles are fixedly communicated with the bottom of the needle cylinder, two sides of the positioning plate are symmetrically and slidingly connected with arc-shaped fixing plates, the bottoms of the fixing plates are fixedly connected with L-shaped bending frames, the positioning plate is provided with a positioning component for determining the position of a cricothyroid membrane through pressure change and a guiding component for guiding the puncture needles, one side of the positioning plate is provided with an arc-shaped supporting frame, the bottoms of the supporting frames are fixedly connected with the tops of the adjacent bending frames, and the side walls of the supporting frames are provided with driving components for driving the positioning plate to slide along the length direction of the fixing plates. According to the invention, through the design of the locating plate, the position of the thyroid cartilage of the patient can be rapidly identified by analyzing the pressure change of each contact point after the device is contacted with the neck of the patient, and the locating plate position can be automatically adjusted, so that accurate puncture locating and puncture guiding can be provided for doctors.

Inventors

  • CHENG QIAN
  • HE CHAO

Assignees

  • 华中科技大学同济医学院附属同济医院

Dates

Publication Date
20260508
Application Date
20260324

Claims (10)

  1. 1. The utility model provides a cyclic mail membrane puncture auxiliary device convenient to location, includes cylinder (20), and the fixed intercommunication of cylinder (20) bottom has pjncture needle (21), and characterized in that still includes and is curved locating plate (1), and locating plate (1) both sides symmetry sliding connection has fixed plate (2) that are the arc, and fixed plate (2) bottom all fixedly connected with is bending bracket (3) that are the L type; the bottom of the bending frame (3) is provided with a fixing component for integrally fixing the device on the patient bed through magnetic force; the inner side walls of the fixing plates (2) are respectively provided with a wrapping component for fixing necks with different widths; the positioning plate (1) is provided with a positioning component for determining the position of the cricothyroid membrane through pressure change and a guiding component for guiding the puncture needle (21); one side of the positioning plate (1) is provided with an arc-shaped supporting frame (8), the bottom of the supporting frame (8) is fixedly connected with the tops of the adjacent bending frames (3), the side wall of the supporting frame (8) is provided with a driving component for driving the positioning plate (1) to slide along the length direction of the fixed plate (2), and one bending frame (3) is provided with a gas supply component for conveying gas to the wrapping component.
  2. 2. The auxiliary device for cricothyroid membrane puncture convenient to position according to claim 1, wherein the driving component comprises a plurality of electric control cylinders (10) fixedly connected to one sides of the supporting frames (8) close to the positioning plate (1), and output shafts of the electric control cylinders (10) are fixedly connected with the side walls of the positioning plate (1).
  3. 3. The convenient-to-position cricothyroid membrane puncture auxiliary device according to claim 1, wherein the positioning component comprises a silica gel layer (15) fixedly connected to the inner side wall of the positioning plate (1) and a positioning system; The positioning system comprises a pressure monitoring module, a distance measuring module, an intelligent analysis module and an execution module; The pressure monitoring module comprises a plurality of pressure sensors embedded in the silica gel layer (15), wherein the pressure monitoring module is used for acquiring pressure distribution data between the neck of a patient and the silica gel layer (15) and transmitting the pressure distribution data to the intelligent analysis module; The distance measuring module comprises a position encoder embedded in the fixed plate (2), wherein the distance measuring module is used for recording the vertical distance between each point on the silica gel layer (15) and one side of the locating plate (1) close to the support frame (8) through the position encoder, generating locating data and transmitting the locating data to the intelligent analysis module; The intelligent analysis module is used for receiving the pressure distribution data and the positioning data, identifying an annular distribution ring in the pressure distribution data, and a pressure maximum point and a pressure minimum point of the annular distribution ring, and analyzing the vertical distance between the pressure minimum point in the annular distribution ring and one side of the positioning plate (1) close to the support frame (8); And the execution module is used for receiving the positioning instruction and controlling the output distance of the output shaft of the electric control cylinder (10) according to the vertical distance between the pressure minimum point in the annular distribution ring and one side of the positioning plate (1) close to the support frame (8).
  4. 4. The positioning-facilitating cricothyroid membrane puncture assistance device of claim 1 wherein the packaging assembly comprises a fixed balloon (16) fixedly attached to the inside wall of the fixed plate (2).
  5. 5. The convenient-to-position cricothyroid membrane puncture auxiliary device according to claim 1, wherein a grip (9) is fixedly connected to the side wall of the support frame (8).
  6. 6. The convenient-to-position cricothyroid membrane puncture auxiliary device according to claim 1, wherein the air supply assembly comprises an air pump (7) fixedly connected to one of the bending frames (3), the fixed air bags (16) are all communicated with the air pump (7), a first button (14) for controlling the operation of the air pump (7) is fixedly connected to the handle (9), control valves are all communicated to the fixed air bags (16), the control valves are all communicated with the outside, and a second button (22) for controlling the operation of the control valves is fixedly connected to the handle (9).
  7. 7. The auxiliary device for cricothyroid membrane puncture convenient to position according to claim 1, wherein the guiding component comprises a connecting plate (12) fixedly connected to one side of the positioning plate (1) close to the supporting frame (8), and a conical guiding cylinder (11) is fixedly connected to one side of the connecting plate (12) away from the positioning plate (1).
  8. 8. The convenient-to-position cricothyroid membrane puncture auxiliary device as claimed in claim 1, wherein the fixing component comprises a magnetic suction plate (17) fixedly connected to the bottom of the bending frame (3).
  9. 9. The auxiliary device for the cricothyroid membrane puncture convenient to position according to claim 1 is characterized in that a piston box (5) is fixedly connected to the outer side wall of one bending frame (3), a piston plate (18) is slidably matched in the piston box (5) along the length direction of the piston box, a bending rod (4) is fixedly connected to one side, away from the guide cylinder (11), of the positioning plate (1), one end, away from the positioning plate (1), of the bending rod (4) penetrates through the side wall of the piston box (5) and is fixedly connected with the piston plate (18), a limiting air bag (19) is fixedly sleeved on a puncture needle (21), the side wall of the piston box (5) is communicated with the limiting air bag (19), and a through hole is formed in one side, close to the guide cylinder (11), of the piston box (5).
  10. 10. The auxiliary device for the cricothyroid membrane puncture convenient to position according to claim 9 is characterized in that scale marks are arranged on the top of a piston box (5), an indicator needle (13) is fixedly connected to one side, close to the piston box (5), of a guide cylinder (11), a display (6) is fixedly connected to the top of the piston box (5), and the display (6) is used for displaying the vertical distance between the minimum pressure point and one side, close to a support frame (8), of a positioning plate (1).

Description

Cricothyroid membrane puncture auxiliary device convenient to location Technical Field The invention relates to the technical field of medical assistance, in particular to a cricothyroid membrane puncture auxiliary device convenient to position. Background The cricothyroid membrane puncture is a key first-aid technology for clinically rescuing patients with upper respiratory tract obstruction and dyspnea, and is characterized in that the cricothyroid membrane is rapidly and accurately punctured to establish a temporary airway. The cricothyroid membrane is positioned in a narrow gap between the anterior cervical thyroid cartilage and the cricoid cartilage, the anatomical position is deeper, the body surface positioning mainly depends on palpation experience of doctors, and the problems of inaccurate positioning, high dependence on experience of operators, particular difficulty in neck swelling or obesity of patients and the like exist, so that the cricothyroid membrane puncture operation needs to be assisted by an auxiliary device. In the prior art, the cyclothyrocentesis is mainly assisted by an ultrasonic technology, and research in paper (Zhang Liangcheng, 2024) on the application effect of the cyclothyrocentesis under ultrasonic guidance in a difficult tracheal intubation indicates a cyclothyrocentesis method under ultrasonic guidance, namely, the method comprises the steps of transversely placing a probe on the surface of thyroid cartilage, observing that the thyroid cartilage is in a V-shaped low-echo structure, moving the probe towards the tail end, observing that a cyclothyrocentesis membrane with high echo appears between the thyroid cartilage and the annular cartilage, injecting 2% lidocaine 3mL when gas is sucked back, and ordering a patient to cough after puncture is successful. ". However, the paper indicates that "acute upper respiratory tract obstruction is a common critical emergency in first aid, patient choking death can be caused when the first aid is not in time, and the first requirement of rescuing patients is to grasp time and quickly establish respiratory passages. In the actual first aid process, the position of the thyroid cartilage is identified by means of ultrasonic equipment, the ultrasonic probe is operated to repeatedly detect different areas of the neck of a patient, the position of the thyroid cartilage is identified by means of experience of doctors, and finally puncture first aid is carried out, so that steps are complicated, and the rescue efficiency is affected. Accordingly, the present invention provides a convenient positioning of a cricothyroid membrane puncture assistance device to solve the above-mentioned problems. Disclosure of Invention In order to solve the problems, the invention provides a cricothyroid membrane puncture auxiliary device convenient to position, and through the design of a positioning plate, the position of the thyroid cartilage of a patient can be rapidly identified by analyzing the pressure change of each contact point after the device is contacted with the neck of the patient, and the position of the positioning plate can be automatically adjusted, so that accurate puncture positioning and puncture guiding are provided for doctors. The technical scheme is that the auxiliary device for cricothyroid membrane puncture convenient to position comprises a needle cylinder and an arc-shaped positioning plate, wherein puncture needles are fixedly communicated with the bottom of the needle cylinder, two sides of the positioning plate are symmetrically and slidingly connected with arc-shaped fixing plates, the bottoms of the fixing plates are fixedly connected with L-shaped bending frames, fixing components for integrally fixing the device on a patient bed through magnetic force are arranged at the bottoms of the bending frames, wrapping components for fixing necks with different widths are arranged on the inner side walls of the fixing plates, positioning components for determining the positions of cricothyroid membranes through pressure change and guiding components for guiding the puncture needles are arranged on the positioning plate, arc-shaped supporting frames are arranged on one side of the positioning plate, the bottoms of the supporting frames are fixedly connected with the tops of adjacent bending frames, driving components for driving the positioning plate to slide along the length direction of the fixing plate are arranged on the side wall of one bending frame, and an air supply component for conveying air to the wrapping components is arranged on one bending frame. The technical principle of the scheme is as follows: The method comprises the steps of erecting an arc-shaped frame formed by a positioning plate, a fixing plate and a bending frame on the neck of a patient, fixing the bending frame and a sickbed by using the fixing assembly, inputting gas into the wrapping assembly by using the gas supply assembly, expanding the wrapping assemb