Search

CN-122005022-A - Nerve block puncture guide frame for orthopedic operation

CN122005022ACN 122005022 ACN122005022 ACN 122005022ACN-122005022-A

Abstract

The invention relates to the technical field of medical instruments, in particular to a nerve block puncture guiding frame for orthopedic surgery, which comprises a connecting frame, angle fans, a guide and a fixing bolt, wherein the angle fans are connected with the side parts of the connecting frame, angle marks are arranged on the surfaces of the angle fans, the guide is rotatably arranged on the angle fans and concentrically distributed with the angle fans, extension lines of the guide are intersected with a length shaft of an ultrasonic probe, the guide is used for penetrating and guiding a puncture needle, the guide is provided with the fixing bolt connected with the angle fans, the fixing bolt can fix the position of the guide, and the position orientation of the guide can be adjusted through the cooperation of the connecting frame, the angle fans and the guide, so that different puncture environment requirements can be rapidly met.

Inventors

  • QU MIN
  • CHEN XIAN
  • RAN XIAOLI

Assignees

  • 中国人民解放军陆军特色医学中心

Dates

Publication Date
20260512
Application Date
20260325

Claims (9)

  1. 1. A nerve block puncture guide for use in orthopedic surgery, comprising: A connecting frame (1); the angle fan (11), the angle fan (11) is connected with the side part of the connecting frame (1) and the surface is provided with an angle mark; The guide device comprises a guide device (12), wherein the guide device (12) is rotatably arranged on an angle fan (11) and is concentrically distributed with the angle fan (11), an extension line of the guide device (12) is intersected with a length shaft of an ultrasonic probe, the guide device (12) is used for penetrating and guiding a puncture needle, the guide device (12) is provided with a fixing bolt connected with the angle fan (11), and the fixing bolt can fix the position of the guide device (12).
  2. 2. A nerve block puncture guide rack for orthopedic surgery according to claim 1, characterized in that an adjusting assembly (2) is arranged between the angle fan (11) and the guide (12), the adjusting assembly (2) being capable of adjusting and locking the angle position of the guide (12).
  3. 3. A nerve block puncture guide rack for use in orthopedic surgery according to claim 2, characterized in that the adjustment assembly (2) comprises a worm (21) and a worm wheel (22), the worm (21) being rotatably connected to the angle fan (11) by means of a connecting lug, the worm wheel (22) being coaxially connected to the guide (12) and being in driving connection with the worm (21).
  4. 4. The nerve block puncture guide frame for the orthopedic surgery according to claim 2, characterized in that a pushing component (3) is further arranged at the center of the angle fan (11), and the pushing component (3) can perform puncture pushing on the guide (12).
  5. 5. The nerve block puncture guide frame for orthopedic surgery according to claim 4, wherein the pushing assembly (3) comprises a tube body (31), a first plug body (32), an extension rod (33), an operation handle (34) and a guide tube (35), the tube body (31) is rotatably connected with the center of the angle fan (11), the axis of the tube body (31) and the extending line of the center of the angle fan (11) are vertically distributed, the first plug body (32) is slidably sealed in the tube body (31), the extension rod (33) is concentrically connected with the first plug body (32) and then slidably extends out of the tube body (31) and is connected with the guide tube (12), the operation handle (34) is connected with the tube body (31) through the guide tube (35) in a liquid way, the connecting point of the guide tube (35) and the tube body (31) is located at one end far away from the extension rod (33), and the operation handle (34) can convey hydraulic oil into the tube body (31).
  6. 6. The nerve block puncture guide frame for an orthopedic operation according to claim 5, wherein the operation handle (34) comprises a handle body (341), an oil feeder (342) and a switching valve (343), the handle body (341) is provided with a liquid tank, the oil feeder (342) is arranged on the handle body (341) and can pump hydraulic oil in the liquid tank, and the number of the switching valves (343) is at least two and is used for controlling pumping switching of the hydraulic oil.
  7. 7. The nerve block puncture guide rack for orthopedic surgery according to claim 6, wherein the fluid bath comprises a pumping cavity (4), a side cavity group (41) and a cavity channel (42), the pumping cavity (4) is opened at the middle part of the handle body (341), the oil feeder (342) stretches into the pumping cavity (4), the number of the side cavity groups (41) is at least two and distributed symmetrically on the center line of the handle body (341), the side cavity group (41) comprises two bypass grooves (411) symmetrically opened on the axis of the pumping cavity (4), the number of the cavity channel (42) is at least two and symmetrically opened on the handle body (341) on the axis of the pumping cavity (4), the cavity channel (42) is communicated with the side cavity group (41) on the same side of the fluid bath, the pumping cavity (4) is communicated with the side cavity group (41), the switching valve (343) is arranged between the bypass grooves (411) on the same side and the cavity channel (42), the cavity channel (42) on the upper side is communicated with the lower channel (35) through the pipe (35) and the lower channel (35) is communicated with the outer channel (35).
  8. 8. The nerve block puncture guide frame according to claim 7, wherein the oil feeder (342) comprises a second plug body (3421), a connecting rod (3422) and a grab handle (3423), the second plug body (3421) is arranged in the pumping cavity (4) in a sliding sealing mode, the connecting rod (3422) is concentrically connected with the second plug body (3421) and penetrates through two ends of the handle body (341) in a sliding sealing mode, and the grab handles (3423) are two in number and are respectively connected with two ends of the connecting rod (3422).
  9. 9. The nerve block puncture guide frame for orthopedic surgery according to claim 6, wherein the switching valve (343) comprises a valve body (3431), valve blocks (3432) and a groove chamber (3433), the groove chamber (3433) is opened in the middle of the valve body (3431), the valve body (3431) is rotationally sealed in the handle body (341), the number of the valve blocks (3432) is at least two, the number of the valve blocks (3431) of a single valve block (3432) is two, the interval between the adjacent valve blocks (3432) is 90 degrees, the two valve blocks (3431) are connected with two bypass grooves (411) with the same level in a one-to-one correspondence manner, one valve block (3432) is a one-way liquid discharge valve (3432 b), and the other valve block (3432) is a one-way liquid inlet valve (3432 a); when the valve block (3432) corresponds to the bypass groove (411), the valve body (3431) may communicate with the corresponding-side channel (42) through the groove chamber (3433).

Description

Nerve block puncture guide frame for orthopedic operation Technical Field The invention relates to the technical field of medical instruments, in particular to a nerve block puncture guide frame for orthopedic operation. Background At present, in order to reduce pain of a patient during bone surgery, the nerve corresponding to the patient is anesthetized in a targeted manner, namely nerve blocking operation is performed, nerve impulse conduction is temporarily blocked, and local painless or pain control is realized. Compared with manual puncture, in order to improve the accuracy of puncture, the ultrasonic imaging and the guide frame are combined to assist in puncture operation at present, but the guide frame in general at present only can puncture a single fixed puncture angle in actual operation, and the problems of inconvenience in adjustment and inflexibility exist in operation. Disclosure of Invention Aiming at the defects in the prior art, the invention provides a nerve block puncture guiding frame for orthopedic operation, which aims at solving the technical problems of inconvenient operation and inflexible adjusting range in the prior art. The technical scheme adopted by the invention is that the nerve block puncture guiding frame for orthopedic operation comprises: a connecting frame; The angle fan is connected with the side part of the connecting frame, and the surface of the angle fan is provided with an angle mark; the guide device comprises a guide device, wherein the guide device is rotationally arranged on the angle fan and concentrically distributed with the angle fan, an extension line of the guide device is intersected with a length shaft of the ultrasonic probe, the guide device is used for penetrating and guiding a puncture needle, the guide device is provided with a fixing bolt connected with the angle fan, and the fixing bolt can fix the position of the guide device. By means of the structure, through the supporting connection of the connecting frame, the angle direction of the guide can be conveniently and rapidly adjusted by the aid of the angle fan, and accordingly the requirement of convenient puncture operation is met. An adjusting component is arranged between the angle fan and the guide, and the angle position of the guide can be adjusted and locked by the adjusting component. The adjusting assembly comprises a worm and a worm wheel, wherein the worm is in rotary connection with the angle fan through a connecting lug, and the worm wheel is coaxially connected with the guide and in transmission connection with the worm. By means of the structure, the self-locking structure between the worm gears and the worm rods is utilized, adjustment and locking can be more conveniently and synchronously carried out, operation convenience is improved, and stability after adjustment is improved. The circle center of the angle fan is also provided with a pushing component, and the pushing component can puncture and push the guide. The pushing assembly comprises a pipe body, a first plug body, an extension rod, an operating handle and a guide pipe, wherein the pipe body is rotationally connected with the circle center of the angle fan, the axis of the pipe body is distributed perpendicular to the circle center extension line of the angle fan, the first plug body is arranged in the pipe body in a sliding and sealing mode, the extension rod is concentrically connected with the first plug body and then slides out of the pipe body to be connected with the guide, the operating handle is connected with the pipe body through the guide pipe to form a liquid path, the connecting point of the guide pipe and the pipe body is located at one end far away from the extension rod, and the operating handle can convey hydraulic oil into the pipe body. Through the structure, hydraulic oil can be input or pumped out of the tube body through the control operation handle, so that the effect of controlling the pushing or pumping out of the puncture needle is achieved, the stability is higher compared with that of manual pushing, and manual intervention can be reduced. The operating handle comprises a handle body, an oil feeder and a switching valve, wherein the handle body is provided with a liquid groove, the oil feeder is arranged on the handle body and can pump hydraulic oil in the liquid groove, and the number of the switching valves is at least two and is used for controlling pumping switching of the hydraulic oil. The handle body is convenient for an operator to hold, the oil feeder can be matched with the liquid tank to convey the hydraulic oil correspondingly, and the switching valve can switch the conveying direction of the hydraulic oil in the liquid tank or directly cut off the liquid path so as to meet the hydraulic oil conveying under different conditions, namely, meet the requirements of different operating environments. The liquid tank comprises a pumping cavity, side cavity groups and cavity channels, w