CN116999134A - Ultrasonic intervention puncture device and method - Google Patents

Ultrasonic intervention puncture device and method Download PDF

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Publication number
CN116999134A
CN116999134A CN202311177468.3A CN202311177468A CN116999134A CN 116999134 A CN116999134 A CN 116999134A CN 202311177468 A CN202311177468 A CN 202311177468A CN 116999134 A CN116999134 A CN 116999134A
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CN
China
Prior art keywords
puncture
ultrasonic
fixedly connected
electrically connected
sliding
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Pending
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CN202311177468.3A
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Chinese (zh)
Inventor
段涛
张吉云
范玉术
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Individual
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Individual
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Priority to CN202311177468.3A priority Critical patent/CN116999134A/en
Publication of CN116999134A publication Critical patent/CN116999134A/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3403—Needle locating or guiding means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
    • A61B17/3421—Cannulas
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00115—Electrical control of surgical instruments with audible or visual output
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/34—Trocars; Puncturing needles
    • A61B17/3403—Needle locating or guiding means
    • A61B2017/3413—Needle locating or guiding means guided by ultrasound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound
    • A61B2090/3782—Surgical systems with images on a monitor during operation using ultrasound transmitter or receiver in catheter or minimal invasive instrument

Abstract

The application is applicable to the technical field of medical instruments, and provides an ultrasonic intervention puncture device and an ultrasonic intervention puncture method, wherein the ultrasonic intervention puncture device comprises an ultrasonic diagnostic apparatus and an ultrasonic probe electrically connected with the ultrasonic diagnostic apparatus; the side surface of the ultrasonic probe is fixedly connected with a guide assembly; the circumferential side surface of the semi-ring guiding plate is provided with an annular groove; an extrusion block is arranged between the inner walls of the annular grooves in a sliding way; an arc-shaped extrusion spring is arranged between the extrusion block and the inner wall of the annular groove; the side surface of the fixed plate is fixedly connected with a mounting frame; a sliding piece is arranged between the inner walls of the mounting frames in a sliding way; an electric push rod is fixedly arranged on the side surface of the fixed plate; the side surface of the sliding part is fixedly arranged at the telescopic end of the electric push rod; a puncture part is rotatably arranged between the inner walls of the mounting grooves. The device detects the patient body through the ultrasonic probe, and when the ultrasonic probe detects and determines the focus area, signals are transmitted to the controller, so that the actions of all parts are controlled, the adjustment of the puncture angle of the puncture piece is completed, and the efficiency and the accuracy of the puncture angle adjustment are improved.

Description

Ultrasonic intervention puncture device and method
Technical Field
The application relates to the technical field of medical instruments, in particular to an ultrasonic intervention puncture device and an ultrasonic intervention puncture method.
Background
Interventional puncture refers to various minimally invasive operations performed by inserting a puncture needle, a catheter and the like into a patient body for the purpose of diagnosis or treatment, intracavity probe ultrasonic intervention is an important means in tumor interventional diagnosis and treatment technology, ultrasound has the advantage of real-time guidance, and interventional biopsy and treatment have been widely applied to clinic; the ultrasonic guided percutaneous puncture method is characterized in that a special surgical instrument is introduced by using an ultrasonic guided percutaneous puncture or small incision with a few millimeters, and diagnosis and treatment such as flushing, sucking, medication and the like are carried out on a lesion part, so that the surgical treatment is more accurate, and the ultrasonic guided percutaneous puncture method has the advantages of small wound, high efficiency, safety, few complications, quick recovery, no damage to the original anatomical structure and the like.
Through retrieval, an ultrasonic intervention guiding device with the publication number of CN219397494U comprises an ultrasonic probe, wherein a puncture frame which is used for guiding a puncture needle and can adjust the angle of the puncture needle is arranged on the outer side of the ultrasonic probe; by adjusting the puncture angle of the puncture needle guide rail on the puncture frame, medical staff can perform puncture interventional treatment on a patient.
However, this supersound is intervened guiding device simple structure, intelligent degree are lower, need the puncture angle of the last felting needle guide rail of manual adjustment puncture frame for the doctor is difficult to carry out the position adjustment of puncturing according to actual conditions, is inconvenient for seeking suitable angle of puncturing, needs many times adjustment puncture angle, has reduced the efficiency of puncture operation.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide an ultrasonic intervention puncture device and an ultrasonic intervention puncture method, which are used for detecting a patient body through an ultrasonic probe, and transmitting signals to a controller when the ultrasonic probe detects and determines a focus area, so that the actions of all parts are controlled, the adjustment of the puncture angle of a puncture part is completed, and the efficiency and the accuracy of the adjustment of the puncture angle are improved.
In order to achieve the above purpose, the present application provides the following technical solutions:
an ultrasonic interventional puncture device comprises an ultrasonic diagnostic apparatus and an ultrasonic probe electrically connected with the ultrasonic diagnostic apparatus; the side surface of the ultrasonic probe is fixedly connected with a guide assembly; the guide assembly comprises a fixed plate fixedly arranged on the side surface of the ultrasonic diagnostic apparatus; the surface of the fixed plate is provided with a mounting groove; shaft holes are symmetrically formed in two sides of the inner wall of the mounting groove; the bottom surface of the fixed plate is fixedly connected with a semi-annular plate coaxial with the shaft hole; the circumferential side surface of the semi-annular plate is provided with an annular groove; an extrusion block is arranged between the inner walls of the annular grooves in a sliding manner; an arc-shaped extrusion spring is arranged between the extrusion block and the inner wall of the annular groove; the side surface of the fixed plate is fixedly connected with a mounting frame; a sliding piece is arranged between the inner walls of the mounting frames in a sliding manner; an electric push rod is fixedly arranged on the side face of the fixed plate; the side surface of the sliding piece is fixedly arranged at the telescopic end of the electric push rod; a puncture part is rotatably arranged between the inner walls of the mounting grooves; the arc-shaped extrusion spring drives the extrusion block to tightly prop the puncture piece on the side face of the sliding piece.
The application is further provided with: the surface of the fixed plate is sequentially provided with a controller, an encoder and a potentiometer; the encoder and the potentiometer are electrically connected with the electric push rod respectively; the output end of the controller is respectively and electrically connected with the encoder and the potentiometer.
The application is further provided with: the side surface of the ultrasonic probe and the side surface of the fixed plate are respectively and fixedly connected with a first handle and a second handle; a reset button for controlling the reset of the electric push rod is arranged on the side face of the first handle; the side surface of the second handle is provided with a forward rotation button and a reverse rotation button in sequence; the reset button, the forward rotation button and the reverse rotation button are respectively and electrically connected with the controller.
The application is further provided with: the penetration member includes a guide sleeve; the circumference sides of the guide sleeve are symmetrically provided with rotating shafts which are rotatably arranged in the shaft holes; a puncture needle is slidably arranged in the guide sleeve; one end of the puncture needle is fixedly connected with a limiting tube; the end part of the limiting pipe is connected with a liquid pumping hose; the sliding piece comprises a sliding plate; the two opposite side surfaces of the sliding plate are fixedly connected with sliding rails; a stop lever is arranged on the side surface of the sliding plate; and sliding grooves which are in sliding fit with the sliding rails are symmetrically formed in two sides of the inner wall of the mounting frame.
The application is further provided with: a limit groove is formed in the peripheral side face of the guide sleeve; a limiting block which is in sliding fit with the limiting groove is arranged on the peripheral side surface of the limiting pipe; the periphery of the guide sleeve is provided with a guide groove, and baffle plates are symmetrically and fixedly connected to the periphery of the guide sleeve at two sides of the guide groove; a connecting shaft is rotatably arranged between the two baffles; the connecting shaft is fixedly connected with a gear; the circumferential side surface of the limiting pipe is provided with teeth meshed with the gears in a linear array from top to bottom; a miniature servo motor is fixedly arranged on the side surface of the baffle; the output end of the miniature servo motor is fixedly connected with the connecting shaft; the output end of the controller is electrically connected with the miniature servo motor.
The application is further provided with: arc-shaped strips are symmetrically arranged on the peripheral side face of the guide sleeve; annular sliding grooves which are in running fit with the arc-shaped strips are symmetrically formed in two sides of the inner wall of the annular groove; a positioning needle is fixedly connected to the end part of the rotating shaft; the side surface of the fixed plate is fixedly connected with a semi-annular strip which is coaxial with the shaft hole; scale grooves are uniformly formed in the side surfaces of the semi-annular strips; a display screen is fixedly arranged on the side surface of the fixed plate; the output end of the controller is electrically connected with the display screen.
The application is further provided with: the controller is internally provided with a control module, a receiving module, a calculation processing module and a display module; the output end of the control module is respectively and electrically connected with the encoder, the potentiometer and the miniature servo motor, and the input end of the control module is respectively and electrically connected with the reset button, the forward rotation button and the reverse rotation button; the input end of the receiving module is electrically connected with the ultrasonic diagnostic apparatus, and the output end of the receiving module is electrically connected with the calculation processing module; the input end of the computing processing module is electrically connected with the receiving module, and the output end of the computing processing module is electrically connected with the display module and the control module respectively; the output end of the display module is electrically connected with the display screen.
The application is further provided with: a cable is connected between the ultrasonic probe and the ultrasonic diagnostic apparatus; the side face of the ultrasonic diagnostic apparatus is provided with a power line, and the side face of the ultrasonic diagnostic apparatus is provided with a liquid crystal screen; the bottom surface of the ultrasonic diagnostic apparatus is fixedly connected with a supporting plate; a sealing cavity is formed in the supporting plate; through holes are uniformly formed in the ground in the sealing cavity; the through hole is internally provided with a sucker; the inner wall of the sealing cavity is provided with a vent pipe in a penetrating way; a stop valve is arranged on the vent pipe; the surface of the supporting plate is fixedly connected with a piston cylinder; a piston is slidably arranged in the piston cylinder; the piston surface is provided with a piston rod; an exhaust pipe is arranged on the peripheral side surface of the piston cylinder near the bottom, and an exhaust pipe communicated with the sealing cavity is arranged on the bottom surface of the piston cylinder; and the exhaust pipe are respectively provided with a check valve.
A method of ultrasonically interventional lancing devices comprising the steps of:
t1, in an initial state, the electric push rod pushes the sliding piece to slide along the inner wall of the mounting frame, so that the stop lever pushes the guide sleeve to rotate until the puncture piece is perpendicular to the fixed plate, at the moment, the arc-shaped extrusion spring is in a compressed state, and the positioning needle points to the scale mark of the scale groove '0';
the ultrasonic probe is used for detecting the body of a patient, and when the ultrasonic probe is used for detecting and determining a focus area, the information of the thickness of the viscera of the human body, the depth of the focus in the human tissue, the size of the focus and the like can be obtained through the position of an echo signal obtained by fixed-point transmission of the ultrasonic probe, and the information is displayed on a liquid crystal screen on an ultrasonic diagnostic instrument;
t3, the ultrasonic diagnostic apparatus transmits signals to a receiving module in the controller, the calculation processing module calculates the rotation angle of the puncture member, the angle calculation result is displayed on a display screen through a display module, the control module controls the electric push rod to shrink by a specified length to drive the stop lever to move towards the ultrasonic probe, and the puncture member is driven to rotate anticlockwise by a specified angle under the elastic acting force of the arc extrusion spring, so that the guide sleeve is pressed on the stop lever by the extrusion block, and the adjustment of the puncture angle of the puncture member is completed;
and T4, the miniature servo motor is controlled to be started to drive the gear to rotate slowly, and the limiting tube is driven to descend slowly through the engagement of the teeth on the limiting tube and the gear, so that the puncture needle is driven to descend slowly, and the puncture action is realized.
The application has the advantages that:
1. according to the application, the first handle and the second handle are respectively held by two hands, the ultrasonic probe is used for detecting the body of a patient, when the ultrasonic probe is used for detecting and determining the focus area, the information such as the thickness of the viscera of the human body, the depth of the focus in the human tissue and the size of the focus can be obtained through the position of the echo signal obtained by fixed-point transmission of the ultrasonic probe, and the information is displayed on the liquid crystal screen on the ultrasonic diagnostic apparatus and transmitted to the controller, so that the guiding assembly is controlled to rotate at a designated angle, the intellectualization of the device is improved, the manual operation is replaced, and the accuracy of the puncture operation is improved.
2. According to the application, signals are transmitted to the receiving module in the controller through the ultrasonic diagnostic apparatus, the calculation processing module calculates the rotation angle of the puncture member, the angle calculation result is displayed on the display screen through the display module, the control module controls the electric push rod to shrink by a specified length to drive the stop lever to move towards the ultrasonic probe, and the puncture member is driven to rotate anticlockwise by a specified angle under the elastic acting force of the arc-shaped extrusion spring, so that the guide sleeve is pressed on the stop lever by the extrusion block, the adjustment of the puncture angle of the puncture member is completed, and the efficiency and accuracy of the puncture angle adjustment are improved.
3. According to the application, the teeth on the limiting tube are meshed with the gears, so that the puncture part is fixed, and the miniature servo motor is controlled to be started to drive the gears to slowly rotate, so that the limiting tube is driven to slowly descend, the puncture needle is driven to slowly descend, the puncture action is realized, and the efficiency of the puncture operation is further improved.
Drawings
Fig. 1 is a schematic structural view of an ultrasonic interventional puncture device according to the present application.
Fig. 2 is a schematic structural view of the ultrasonic diagnostic apparatus of the present application.
Fig. 3 is a schematic diagram of the structure of the ultrasonic diagnostic apparatus according to the present application at the right viewing angle.
Fig. 4 is a schematic structural view of an ultrasonic probe and guide assembly of the present application.
Fig. 5 is a schematic view of an ultrasonic probe and guide assembly according to another embodiment of the present application.
Fig. 6 is an enlarged view of area a of fig. 5 in accordance with the present application.
FIG. 7 is a schematic view of the structure of the piercing member of the present application.
FIG. 8 is a schematic view of another angle of the piercing member of the present application.
Fig. 9 is an enlarged view of region B of fig. 8 in accordance with the present application.
Fig. 10 is a schematic structural view of the sliding member of the present application.
Fig. 11 is a control schematic of the present application.
Fig. 12 is a schematic diagram of a calculation processing module in the actual state of the present application.
Fig. 13 is a schematic diagram of a calculation processing module in an approximate state of the present application.
In the figure: 1. an ultrasonic diagnostic apparatus; 2. an ultrasonic probe; 3. a fixing plate; 4. a mounting groove; 5. a shaft hole; 6. a semi-annular plate; 7. an annular groove; 8. extruding a block; 9. arc-shaped extrusion springs; 10. a mounting frame; 11. a slider; 12. an electric push rod; 13. a piercing member; 14. a controller; 15. an encoder; 16. a potentiometer; 17. a first handle; 18. a second handle; 19. a reset button; 20. a forward rotation button; 21. reversing the button; 22. a guide sleeve; 23. a rotating shaft; 24. a puncture needle; 25. a limiting tube; 26. a liquid suction hose; 27. a slide plate; 28. a slide rail; 29. a stop lever; 30. a chute; 31. a limit groove; 32. a limiting block; 33. a guide groove; 34. a baffle; 35. a gear; 36. teeth; 37. a miniature servo motor; 38. an arc-shaped strip; 39. an annular chute; 40. a positioning needle; 41. a semi-annular strip; 42. a scale groove; 43. a display screen; 44. a cable; 45. a power line; 46. a liquid crystal panel; 47. a support plate; 48. sealing the cavity; 49. a through hole; 50. a suction cup; 51. a vent pipe; 52. a piston cylinder; 53. a piston rod; 54. an exhaust pipe; 55. and (5) an exhaust pipe.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present application, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present application.
Example 1
Referring to fig. 1-13, the present application provides the following technical solutions:
an ultrasonic interventional puncture device, in particular, comprises an ultrasonic diagnostic apparatus 1 and an ultrasonic probe 2 electrically connected with the ultrasonic diagnostic apparatus 1; the side surface of the ultrasonic probe 2 is fixedly connected with a guide component; the guiding component comprises a fixed plate 3 fixedly arranged on the side surface of the ultrasonic diagnostic apparatus 1; the surface of the fixed plate 3 is provided with a mounting groove 4; shaft holes 5 are symmetrically formed on two sides of the inner wall of the mounting groove 4; the bottom surface of the fixed plate 3 is fixedly connected with a semi-annular plate 6 coaxial with the shaft hole 5; an annular groove 7 is formed in the circumferential side surface of the semi-annular plate 6; a squeezing block 8 is slidably arranged between the inner walls of the annular grooves 7; an arc-shaped extrusion spring 9 is arranged between the extrusion block 8 and the inner wall of the annular groove 7; the side surface of the fixed plate 3 is fixedly connected with a mounting frame 10; a sliding piece 11 is arranged between the inner walls of the mounting frame 10 in a sliding way; the side surface of the fixed plate 3 is fixedly provided with an electric push rod 12; the side surface of the sliding piece 11 is fixedly arranged at the telescopic end of the electric push rod 12; a puncture piece 13 is rotatably arranged between the inner walls of the mounting grooves 4; the arc-shaped extrusion spring 9 drives the extrusion block 8 to tightly prop the puncture piece 13 on the side surface of the sliding piece 11.
The first working principle of this embodiment: in the initial state, the electric push rod 12 pushes the sliding part 11 to slide along the inner wall of the mounting frame 10, so that the sliding part 11 pushes the puncturing part 13 to rotate until the puncturing part 13 is perpendicular to the fixing plate 3, at this time, the arc-shaped extrusion spring 9 is in a compressed state, the body of a patient is detected through the ultrasonic probe 2, when the ultrasonic probe 2 detects and determines a focus area, a signal is transmitted to a receiving module in the controller 14 through the position of an echo signal obtained by fixed-point emission of the ultrasonic probe 2, the calculation of the rotating angle of the puncturing part 13 is performed by a calculation processing module, an angle calculation result is displayed on the display screen 43 through the display module, the electric push rod 12 is controlled by the control module to shrink a designated length, the stop lever 29 is driven to move towards the ultrasonic probe 2, and the puncturing part 13 is driven to rotate anticlockwise by a designated angle under the elastic force of the arc-shaped extrusion spring 9, so that the puncturing part 13 is pressed on the sliding part 11 by the extrusion block 8, and the puncture angle of the puncturing part 13 is adjusted.
Example two
Referring to fig. 1 to 13, the second embodiment is an improvement based on the first embodiment, specifically, the surface of the fixing plate 3 is sequentially provided with a controller 14, an encoder 15 and a potentiometer 16; the encoder 15 and the potentiometer 16 are respectively and electrically connected with the electric push rod 12; the output end of the controller 14 is respectively and electrically connected with the encoder 15 and the potentiometer 16; the side surface of the ultrasonic probe 2 and the side surface of the fixed plate 3 are fixedly connected with a first handle 17 and a second handle 18 respectively; the side surface of the first handle 17 is provided with a reset button 19 for controlling the reset of the electric push rod 12; the side surface of the second handle 18 is provided with a forward rotation button 20 and a reverse rotation button 21 in sequence; the reset button 19, the forward rotation button 20 and the reverse rotation button 21 are electrically connected to the controller 14 at their output ends.
The second working principle of this embodiment: encoder 15: the number of turns of the motor main shaft is accurately fed back through the pulse number, so that the stroke change of the electric push rod 12 is accurately calculated, and accurate control is realized; potentiometer 16: the motor resistance feedback device is used for feeding back the magnitude of the motor resistance inside the electric push rod 12, so that the stroke position of the electric push rod 12 is reflected, the aim of controlling the electric push rod 12 to stop at any position in the stroke is finally achieved, and the accurate expansion and contraction of the electric push rod 12 is realized; after the puncture operation is finished, the electric push rod 12 is controlled to reset by the controller 14 by pressing the reset button 19; the forward and reverse rotation of the micro servo motor 37 is controlled by the forward rotation button 20 and the reverse rotation button 21, thereby achieving penetration or removal of the puncture element 13.
Example III
Referring to fig. 1 to 13, the third embodiment is modified from the second embodiment in that the puncture member 13 includes a guide sleeve 22; the circumference side surface of the guide sleeve 22 is symmetrically provided with a rotating shaft 23 which is rotatably arranged in the shaft hole 5; a puncture needle 24 is slidably arranged in the guide sleeve 22; one end of the puncture needle 24 is fixedly connected with a limit tube 25; the end part of the limiting pipe 25 is connected with a liquid pumping hose 26; the slider 11 includes a slide plate 27; the two opposite side surfaces of the sliding plate 27 are fixedly connected with sliding rails 28; the side surface of the sliding plate 27 is provided with a stop lever 29; sliding grooves 30 which are in sliding fit with the sliding rails 28 are symmetrically formed on two sides of the inner wall of the mounting frame 10; a limit groove 31 is formed in the peripheral side face of the guide sleeve 22; a limiting block 32 which is in sliding fit with the limiting groove 31 is arranged on the peripheral side surface of the limiting tube 25; the peripheral side surface of the guide sleeve 22 is provided with a guide groove 33, and baffle plates 34 are symmetrically and fixedly connected on the two sides of the guide groove 33; a connecting shaft is rotatably arranged between the two baffles 34; the connecting shaft is fixedly connected with a gear 35; the side surface of the periphery of the limiting pipe 25 is provided with teeth 36 meshed with the gear 35 in a linear array from top to bottom; a miniature servo motor 37 is fixedly arranged on the side surface of a baffle 34; the output end of the micro servo motor 37 is fixedly connected with the connecting shaft; the output end of the controller 14 is electrically connected with the micro servo motor 37.
The third working principle of the embodiment: the ultrasonic diagnostic apparatus 1 transmits signals to a receiving module in the controller 14, the calculation processing module calculates the rotation angle of the puncture member 13, the angle calculation result is displayed on the display screen 43 through the display module, the control module controls the electric push rod 12 to shrink by a specified length to drive the stop lever 29 to move towards the ultrasonic probe 2, the puncture member 13 is driven to rotate anticlockwise by a specified angle under the elastic acting force of the arc-shaped extrusion spring 9, the guide sleeve 22 is pressed on the stop lever 29 by the extrusion block 8, and the adjustment of the puncture angle of the puncture member 13 is completed; the miniature servo motor 37 is controlled to be started to drive the gear 35 to rotate slowly, and the limiting tube 25 is driven to descend slowly through the engagement of the teeth 36 on the limiting tube 25 and the gear 35, so that the puncture needle 24 is driven to descend slowly, and the puncture action is realized.
Example IV
Referring to fig. 1-13, the fourth embodiment is modified based on the third embodiment, specifically, the guide sleeve 22 is symmetrically provided with arc strips 38 on the peripheral side; annular sliding grooves 39 which are in running fit with the arc-shaped strips 38 are symmetrically formed on two sides of the inner wall of the annular groove 7; a positioning needle 40 is fixedly connected with the end part of a rotating shaft 23; the side surface of the fixed plate 3 is fixedly connected with a semi-annular strip 41 coaxial with the shaft hole 5; the side surface of the semi-annular strip 41 is uniformly provided with scale grooves 42; a display screen 43 is fixedly arranged on the side surface of the fixed plate 3; the output of the controller 14 is electrically connected to the display 43.
The fourth working principle of the embodiment is as follows: after the angle adjustment of the puncture member 13 is completed, the scale groove 42 pointed by the positioning needle 40 is watched, and compared with the angle value in the display screen 43 to judge whether the angle value is within the error range, and if the angle value is within the error range, the puncture operation is started.
Example five
Referring to fig. 1 to 13, the fifth embodiment is an improvement based on the fourth embodiment, specifically, a control module, a receiving module, a computing processing module and a display module are disposed in the controller 14; the output end of the control module is respectively and electrically connected with the encoder 15, the potentiometer 16 and the micro servo motor 37, and the input end of the control module is respectively and electrically connected with the reset button 19, the forward rotation button 20 and the reverse rotation button 21; the input end of the receiving module is electrically connected with the ultrasonic diagnostic apparatus 1, and the output end of the receiving module is electrically connected with the calculation processing module; the input end of the computing processing module is electrically connected with the receiving module, and the output end of the computing processing module is electrically connected with the display module and the control module respectively; the display module output is electrically connected to the display screen 43.
The fifth working principle of the embodiment:
and (3) recording: the length of the guide sleeve 22 and the radius of the semi-annular plate 6 are R; the radius of the gear lever 29 is r; the height of the ultrasonic probe 2 is H; measuring the depth a of a focus area in the body of a patient by the ultrasonic probe 2; the horizontal movement distance of the guide sleeve 22 when rotating from the initial position to the specified position is X1; the horizontal distance between the shaft hole 5 and the ultrasonic probe 2 is L; the horizontal distance from the gear lever 29 to the shaft hole 5 is c; the length between BC in fig. 13 is b.
Since the diameter of the guide sleeve 22 and the radius R of the rod 29 for placing the puncture needle 24 are far smaller than the values of R, H, a, L and the focal region compared with R, H, a, L and the focal region, the position from the initial position to the end of the rod 29 in the actual state can be approximately regarded as the position of the rod 29 in fig. 13, that is, X1 is about X2, it is easy to know from fig. 13 that Rt delta ABC-Rt delta AGJ, rt delta ACF-Rt delta AED, c/r=x2/b, b/l=r/(h+a), and then X2 = (L X c)/(h+a), wherein L, c, H are all determined to be known values, so that the horizontal moving distance X1 when the guide sleeve 22 rotates from the initial position to the designated position can be calculated only by the calculation processing module by measuring the depth a between the ultrasonic probe 2 and the focal region by the ultrasonic diagnostic apparatus 1, and the puncture needle 13 can be realized by controlling the electric push rod 12 by the controller 14 to control the puncture needle length of the designated puncture needle 13.
Example six
Referring to fig. 1 to 13, the sixth embodiment is modified from the first embodiment in that a cable 44 is connected between the ultrasonic probe 2 and the ultrasonic diagnostic apparatus 1; the ultrasonic diagnostic apparatus 1 is provided with a power line 45 on the side surface and a liquid crystal screen 46 on the side surface; the bottom surface of the ultrasonic diagnostic apparatus 1 is fixedly connected with a supporting plate 47; the support plate 47 is internally provided with a sealing cavity 48; through holes 49 are uniformly formed in the ground in the sealing cavity 48; suction cups 50 are arranged in the through holes 49; the inner wall of the sealing cavity 48 is provided with a vent pipe 51 in a penetrating way; a stop valve is arranged on the vent pipe 51; the surface of the supporting plate 47 is fixedly connected with a piston cylinder 52; a piston is slidably arranged in the piston cylinder 52; the piston surface is provided with a piston rod 53; an exhaust pipe 54 is arranged on the peripheral side surface of the piston cylinder 52 near the bottom, and an exhaust pipe 55 communicated with the sealing cavity 48 is arranged on the bottom surface of the piston cylinder; the exhaust pipe 55 and the exhaust pipe 54 are provided with check valves.
The sixth working principle of this embodiment: in the human body propagation process, the ultrasound can generate echo signals reflecting the structure and characteristic differences of human tissues according to the difference of acoustic characteristic impedance among the tissues of the human body. The reception of echo signals is also done by the transducer in the ultrasound probe. In a common medical ultrasonic diagnostic apparatus, the transmission and the reception of ultrasound are mostly realized by the same transducer which works at intervals according to time sequence, namely, the ultrasonic wave is generated by a narrow pulse excitation transducer, and then the reflected ultrasonic wave is received by the same transducer in real time, so that a real-time echo signal is obtained in a reciprocating way, and the medical ultrasonic diagnostic apparatus is mainly divided into different types such as A type, B type, M type and D type according to the different modes of processing and displaying the echo signal.
The ultrasonic diagnostic apparatus 1 adopted by the application is an A-type medical ultrasonic diagnostic apparatus, the display of the ultrasonic diagnostic apparatus belongs to amplitude adjustment, the amplitude of echo is used for representing the intensity of interface reflection, the abscissa on the fluorescent screen 46 of the A-type medical ultrasonic diagnostic apparatus represents the propagation time of ultrasonic waves, and the ordinate represents the amplitude of echo signals. According to the position of the echo signal, the depth, the size and the like of the focus in human tissues can be determined. The abscissa has a time or distance scale for determining the depth at which the interface generating the echo signal is located. Therefore, by determining the position of the echo signal obtained by the fixed-point transmission of the ultrasonic probe, the information of the thickness of the viscera of the human body, the depth of the focus in the human tissue, the size of the focus and the like can be obtained.
A method of ultrasonically interventional lancing devices comprising the steps of:
in the initial state, the electric push rod 12 pushes the sliding piece 11 to slide along the inner wall of the mounting frame 10, so that the stop lever 29 pushes the guide sleeve 22 to rotate until the puncture piece 13 is perpendicular to the fixed plate 3, at the moment, the arc-shaped extrusion spring 9 is in a compressed state, and the positioning needle 40 points to the scale mark of 0' of the scale groove 42;
the first handle 17 and the second handle 18 are respectively held by the hands T2, the ultrasonic probe 2 detects the body of a patient, when the ultrasonic probe 2 detects and determines the focus area, the information of the thickness of the viscera of the human body, the depth of the focus in the human tissue, the size of the focus and the like can be obtained through the position of an echo signal obtained by fixed-point transmission of the ultrasonic probe 2, and the information is displayed on the liquid crystal screen 46 on the ultrasonic diagnostic apparatus 1;
t3, the ultrasonic diagnostic apparatus 1 transmits signals to a receiving module in the controller 14, the calculation processing module calculates the rotation angle of the puncture member 13, the angle calculation result is displayed on the display screen 43 through the display module, the control module controls the electric push rod 12 to shrink for a specified length to drive the stop lever 29 to move towards the ultrasonic probe 2, the puncture member 13 is driven to rotate anticlockwise for a specified angle under the elastic acting force of the arc-shaped extrusion spring 9, the guide sleeve 22 is pressed on the stop lever 29 by the extrusion block 8, and the adjustment of the puncture angle of the puncture member 13 is completed;
and T4, by controlling and starting the micro servo motor 37, the gear 35 is driven to rotate slowly, and the limiting tube 25 is driven to descend slowly through the engagement of the teeth 36 on the limiting tube 25 and the gear 35, so that the puncture needle 24 is driven to descend slowly, and the puncture action is realized.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
The above description is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above examples, and all technical solutions belonging to the concept of the present application belong to the protection scope of the present application. It should be noted that modifications and adaptations to the present application may occur to one skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.

Claims (9)

1. An ultrasonic interventional puncture device comprises an ultrasonic diagnostic apparatus (1) and an ultrasonic probe (2) electrically connected with the ultrasonic diagnostic apparatus (1); the method is characterized in that:
the side surface of the ultrasonic probe (2) is fixedly connected with a guide assembly; the guide assembly comprises a fixed plate (3) fixedly arranged on the side surface of the ultrasonic diagnostic apparatus (1); the surface of the fixed plate (3) is provided with a mounting groove (4); shaft holes (5) are symmetrically formed in two sides of the inner wall of the mounting groove (4); the bottom surface of the fixed plate (3) is fixedly connected with a semi-annular plate (6) coaxial with the shaft hole (5);
an annular groove (7) is formed in the peripheral side face of the semi-annular plate (6); an extrusion block (8) is arranged between the inner walls of the annular grooves (7) in a sliding manner; an arc-shaped extrusion spring (9) is arranged between the extrusion block (8) and the inner wall of the annular groove (7); the side surface of the fixed plate (3) is fixedly connected with a mounting frame (10); a sliding piece (11) is arranged between the inner walls of the mounting frame (10) in a sliding way; an electric push rod (12) is fixedly arranged on the side surface of the fixed plate (3); the side surface of the sliding piece (11) is fixedly arranged at the telescopic end of the electric push rod (12);
a puncture piece (13) is rotatably arranged between the inner walls of the mounting grooves (4); the arc-shaped extrusion spring (9) drives the extrusion block (8) to tightly prop the puncture piece (13) on the side face of the sliding piece (11).
2. An ultrasound interventional puncture device according to claim 1, wherein: the surface of the fixed plate (3) is sequentially provided with a controller (14), an encoder (15) and a potentiometer (16); the encoder (15) and the potentiometer (16) are respectively and electrically connected with the electric push rod (12); the output end of the controller (14) is respectively and electrically connected with the encoder (15) and the potentiometer (16).
3. An ultrasound interventional puncture device according to claim 2, wherein: the side surface of the ultrasonic probe (2) and the side surface of the fixed plate (3) are fixedly connected with a first handle (17) and a second handle (18) respectively; a reset button (19) for controlling the reset of the electric push rod (12) is arranged on the side surface of the first handle (17); a forward rotation button (20) and a reverse rotation button (21) are sequentially arranged on the side surface of the second handle (18); the output ends of the reset button (19), the forward rotation button (20) and the reverse rotation button (21) are respectively and electrically connected with the controller (14).
4. An ultrasound interventional puncture device according to claim 3, wherein: the piercing member (13) comprises a guide sleeve (22); the peripheral side surface of the guide sleeve (22) is symmetrically provided with a rotating shaft (23) which is rotatably arranged in the shaft hole (5); a puncture needle (24) is slidably arranged in the guide sleeve (22); one end of the puncture needle (24) is fixedly connected with a limiting tube (25); the end part of the limiting pipe (25) is connected with a liquid suction hose (26); the slider (11) comprises a slide plate (27); slide rails (28) are fixedly connected to two opposite side surfaces of the slide plate (27); a stop lever (29) is arranged on the side surface of the sliding plate (27); sliding grooves (30) which are in sliding fit with the sliding rails (28) are symmetrically formed in two sides of the inner wall of the mounting frame (10).
5. An ultrasound interventional puncture device according to claim 4, wherein: a limit groove (31) is formed in the peripheral side face of the guide sleeve (22); a limiting block (32) which is in sliding fit with the limiting groove (31) is arranged on the peripheral side surface of the limiting pipe (25); a guide groove (33) is formed in the peripheral side surface of the guide sleeve (22), and baffle plates (34) are symmetrically and fixedly connected to the peripheral side surface of the guide sleeve on two sides of the guide groove (33); a connecting shaft is rotatably arranged between the two baffles (34); a gear (35) is fixedly connected to the connecting shaft; teeth (36) meshed with the gear (35) are distributed on the peripheral side surface of the limiting pipe (25) in a linear array from top to bottom; a miniature servo motor (37) is fixedly arranged on the side surface of the baffle plate (34); the output end of the miniature servo motor (37) is fixedly connected with the connecting shaft; the output end of the controller (14) is electrically connected with the miniature servo motor (37).
6. An ultrasound interventional puncture device according to claim 5, wherein: arc-shaped strips (38) are symmetrically arranged on the peripheral side surface of the guide sleeve (22); annular sliding grooves (39) which are in running fit with the arc-shaped strips (38) are symmetrically formed in two sides of the inner wall of the annular groove (7); a positioning needle (40) is fixedly connected to the end part of the rotating shaft (23); the side surface of the fixed plate (3) is fixedly connected with a semi-annular strip (41) coaxial with the shaft hole (5); scale grooves (42) are uniformly formed in the side surfaces of the semi-annular strips (41); a display screen (43) is fixedly arranged on the side surface of the fixed plate (3); the output end of the controller (14) is electrically connected with the display screen (43).
7. An ultrasound interventional puncture device according to claim 6, wherein: the controller (14) is internally provided with a control module, a receiving module, a calculation processing module and a display module; the output end of the control module is respectively and electrically connected with the encoder (15), the potentiometer (16) and the miniature servo motor (37), and the input end of the control module is respectively and electrically connected with the reset button (19), the forward rotation button (20) and the reverse rotation button (21); the input end of the receiving module is electrically connected with the ultrasonic diagnostic apparatus (1), and the output end of the receiving module is electrically connected with the calculation processing module; the input end of the computing processing module is electrically connected with the receiving module, and the output end of the computing processing module is electrically connected with the display module and the control module respectively; the output end of the display module is electrically connected with the display screen (43).
8. An ultrasound interventional puncture device according to claim 1, wherein: a cable (44) is connected between the ultrasonic probe (2) and the ultrasonic diagnostic apparatus (1); the side surface of the ultrasonic diagnostic apparatus (1) is provided with a power line (45), and the side surface of the ultrasonic diagnostic apparatus is provided with a liquid crystal screen (46); the bottom surface of the ultrasonic diagnostic apparatus (1) is fixedly connected with a supporting plate (47); a sealing cavity (48) is formed in the supporting plate (47); through holes (49) are uniformly formed in the ground in the sealing cavity (48); a sucking disc (50) is arranged in the through hole (49); the inner wall of the sealing cavity (48) is provided with a vent pipe (51) in a penetrating way; a stop valve is arranged on the vent pipe (51); the surface of the supporting plate (47) is fixedly connected with a piston cylinder (52); a piston is slidably arranged in the piston cylinder (52); the piston surface is provided with a piston rod (53); an exhaust pipe (54) is arranged on the peripheral side surface of the piston cylinder (52) close to the bottom, and an exhaust pipe (55) communicated with the sealing cavity (48) is arranged on the bottom surface of the piston cylinder; and the exhaust pipe (55) and the exhaust pipe (54) are respectively provided with a one-way valve.
9. A method of an ultrasound interventional puncture device according to any of claims 1 to 8, comprising the steps of:
under the initial state, the electric push rod (12) pushes the sliding part (11) to slide along the inner wall of the mounting frame (10), so that the stop lever (29) pushes the guide sleeve (22) to rotate until the puncture part (13) is perpendicular to the fixed plate (3), at the moment, the arc-shaped extrusion spring (9) is in a compressed state, and the positioning needle (40) points to the scale mark of '0' of the scale groove (42);
t2, holding the first handle (17) and the second handle (18) by two hands respectively, detecting the body of a patient by the ultrasonic probe (2), and when the ultrasonic probe (2) detects and determines a focus area, obtaining the information of the thickness of the viscera of the human body, the depth of the focus in the human tissue, the size of the focus and the like by the position of an echo signal obtained by fixed-point transmission of the ultrasonic probe (2) and displaying the information on a liquid crystal screen (46) on the ultrasonic diagnostic instrument (1);
t3, the ultrasonic diagnostic apparatus (1) transmits signals to a receiving module in the controller (14), the calculation processing module calculates the rotation angle of the puncture piece (13), the angle calculation result is displayed on the display screen (43) through the display module, the control module controls the electric push rod (12) to shrink a designated length to drive the stop lever (29) to move towards the ultrasonic probe (2), and the puncture piece (13) is driven to rotate anticlockwise by the elastic acting force of the arc-shaped extrusion spring (9) by a designated angle, so that the guide sleeve (22) is pressed on the stop lever (29) by the extrusion block (8), and the adjustment of the puncture angle of the puncture piece (13) is completed;
t4, through control start miniature servo motor (37), drive gear (35) and rotate slowly, through the meshing of tooth (36) and gear (35) on spacing pipe (25), drive spacing pipe (25) slowly decline to drive pjncture needle (24) slowly decline, realize the puncture action.
CN202311177468.3A 2023-09-13 2023-09-13 Ultrasonic intervention puncture device and method Pending CN116999134A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311177468.3A CN116999134A (en) 2023-09-13 2023-09-13 Ultrasonic intervention puncture device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311177468.3A CN116999134A (en) 2023-09-13 2023-09-13 Ultrasonic intervention puncture device and method

Publications (1)

Publication Number Publication Date
CN116999134A true CN116999134A (en) 2023-11-07

Family

ID=88569215

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311177468.3A Pending CN116999134A (en) 2023-09-13 2023-09-13 Ultrasonic intervention puncture device and method

Country Status (1)

Country Link
CN (1) CN116999134A (en)

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