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CN-121987302-A - Auxiliary positioning device for spinal surgery

CN121987302ACN 121987302 ACN121987302 ACN 121987302ACN-121987302-A

Abstract

The invention relates to the technical field of medical equipment, in particular to an auxiliary positioning device for spinal surgery. Including the mount, still including locating the first positioning mechanism on the mount, first positioning mechanism includes the longitudinal locating rack of sliding connection in the mount to and the horizontal locating rack of slip cap in longitudinal locating rack, be equipped with second positioning mechanism in the horizontal locating rack, second positioning mechanism is including rotating the annular frame of connecting in horizontal locating rack, and the inner wall rigid coupling of annular frame has the rectangle track to be equipped with the lantern ring with the rectangle track dislocation, the rigid coupling has the pipe in the lantern ring. According to the invention, the first positioning mechanism is arranged, so that the spine with different lateral bending degrees can be more comprehensively coped with, the position of the catheter is conveniently and rapidly adjusted, and the second positioning mechanism is arranged, so that the position of the catheter can be automatically adjusted and compensated when the catheter is rotated, the axis of the catheter always faces the positioning point of the skin of a patient, repeated measurement and positioning are not needed, and the operation efficiency is improved.

Inventors

  • Lv Nanning
  • ZHANG HAO
  • LI HONGYE
  • FENG XIAOXIAO

Assignees

  • 连云港市第二人民医院(连云港市临床肿瘤研究所)

Dates

Publication Date
20260508
Application Date
20260317

Claims (10)

  1. 1. The auxiliary positioning device for the spinal surgery comprises a fixed frame (1) and is characterized by further comprising a first positioning mechanism arranged on the fixed frame (1), wherein the first positioning mechanism comprises a longitudinal positioning frame (201) which is slidably connected in the fixed frame (1), and a transverse positioning frame (202) which is slidably sleeved in the longitudinal positioning frame (201), a second positioning mechanism is arranged in the transverse positioning frame (202), the second positioning mechanism comprises an annular frame (203) which is rotatably connected in the transverse positioning frame (202), a rectangular track (204) is fixedly connected to the inner wall of the annular frame (203), a lantern ring (205) which is staggered with the rectangular track (204) is arranged, and a guide pipe (206) is fixedly connected in the lantern ring (205).
  2. 2. The spinal surgery auxiliary positioning device according to claim 1, wherein the first positioning mechanism further comprises a hollowed-out frame (301) which is elastically and slidably connected in the longitudinal positioning frame (201), limiting pins A (302) are symmetrically and fixedly connected to the hollowed-out frame (301), and two rows of pin holes A matched with the limiting pins A (302) are formed in the fixing frame (1).
  3. 3. The spinal surgery auxiliary positioning device according to claim 2, wherein the first positioning mechanism further comprises an operation frame (401) movably connected in the longitudinal positioning frame (201), the operation frame (401) is respectively abutted to the transverse positioning frame (202) and the hollowed-out frame (301), and operation plates (402) are symmetrically fixedly connected to the operation frame (401).
  4. 4. The spinal surgery auxiliary positioning device according to claim 3, wherein the first positioning mechanism further comprises two groups of limiting pins B (501) symmetrically fixedly connected to the operation frame (401), 匚 -shaped rods (502) positioned above the operation frame (401) are symmetrically fixedly connected to the longitudinal positioning frame (201), and a row of pin holes B matched with the limiting pins B (501) are formed in the 匚 -shaped rods (502).
  5. 5. The spinal surgery auxiliary positioning device according to claim 1, wherein the second positioning mechanism comprises a limiting pin C (601) penetrating through and slidably mounted on the annular frame (203), and a plurality of pin holes C which are annularly and equidistantly arranged are formed in the transverse positioning frame (202).
  6. 6. The spinal surgery auxiliary positioning device according to claim 1, wherein the second positioning mechanism further comprises a sliding block (701) elastically and slidably connected in the rectangular track (204), the sliding block (701) is rotatably connected with the collar (205), a compensating gear (702) is fixedly connected to one side, away from the sliding block (701), of the collar (205), and a compensating rack (703) meshed with the compensating gear (702) is fixedly connected in the annular frame (203).
  7. 7. The spinal surgery auxiliary positioning device according to claim 6, wherein a handle (801) is fixedly connected to a rotating shaft of the compensating gear (702).
  8. 8. The spinal surgery assistance positioning device according to claim 7, wherein the rotation of the compensating gear (702) by the handle (801) not only enables the rotation of the catheter (206) but also enables the sliding block (701) to slide along the rectangular track (204), thereby enabling the automatic adjustment of the position of the catheter (206) according to the rotation angle of the catheter (206) and ensuring that the landing point of the puncture needle passing through the catheter (206) is aligned with the positioning point of the skin of the patient.
  9. 9. The spinal surgery auxiliary positioning device according to claim 8, wherein a lifting plate (901) is slidably connected to the rectangular track (204), an adjusting block (902) is fixedly connected to the sliding block (701), and a row of tooth grooves matched with the adjusting block (902) are formed in the lifting plate (901).
  10. 10. The spinal surgery auxiliary positioning device according to claim 9, wherein a pull rod (1001) is connected to the rectangular track (204) in a penetrating and sliding manner, the pull rod (1001) is fixedly connected to the lifting plate (901), and a compression spring sleeved on the pull rod (1001) is arranged between the lifting plate (901) and the rectangular track (204).

Description

Auxiliary positioning device for spinal surgery Technical Field The invention relates to the technical field of medical equipment, in particular to an auxiliary positioning device for spinal surgery. Background In spinal surgery, ‌ precise positioning ‌ is a key element for ensuring safety, effectiveness and minimally invasive surgery, and any positioning deviation can cause serious complications due to the fact that the spine is adjacent to the spinal cord, nerve roots, large blood vessels and other important structures. When the positioning device in the prior art is used, the positioning device is fixed on an operating table, and then the catheter used for guiding the puncture needle is rotated according to the spine structure, the body position and the pathological state of a patient, so that the catheter is accurately guided to the puncture needle. Disclosure of Invention In order to overcome the disadvantages of the prior art, the invention provides an auxiliary positioning device for spinal surgery. The utility model provides a backbone surgery auxiliary positioning device, includes the mount, still including locating first positioning mechanism on the mount, first positioning mechanism includes sliding connection is in longitudinal positioning frame in the mount, and the slip cap is in transverse positioning frame in the longitudinal positioning frame, be equipped with second positioning mechanism in the transverse positioning frame, second positioning mechanism is including rotating the ring frame of connecting in the transverse positioning frame, the inner wall rigid coupling of ring frame has the rectangle track, and be equipped with the lantern ring of rectangle track dislocation, the rigid coupling has the pipe in the lantern ring. Optionally, the first positioning mechanism further comprises a hollow frame which is elastically and slidably connected in the longitudinal positioning frame, limiting pins A are symmetrically and fixedly connected on the hollow frame, and two rows of pin holes A matched with the limiting pins A are formed in the fixing frame. Optionally, the first positioning mechanism further comprises an operation frame movably connected in the longitudinal positioning frame, the operation frame is respectively abutted to the transverse positioning frame and the hollowed-out frame, and operation plates are symmetrically and fixedly connected to the operation frame. Optionally, the first positioning mechanism further comprises two groups of limiting pins B symmetrically and fixedly connected to the operation frame, 匚 -shaped rods located above the operation frame are symmetrically and fixedly connected to the longitudinal positioning frame, and a row of pin holes B matched with the limiting pins B are formed in the 匚 -shaped rods. Optionally, the second positioning mechanism comprises a limiting pin C penetrating through and slidably mounted on the annular frame, and a plurality of pin holes C which are annularly and equidistantly arranged are formed in the transverse positioning frame. Optionally, the second positioning mechanism further comprises a sliding block elastically and slidably connected in the rectangular track, the sliding block is rotationally connected with the lantern ring, a compensation gear is fixedly connected to one side, away from the sliding block, of the lantern ring, and a compensation rack meshed with the compensation gear is fixedly connected in the annular frame. Optionally, a handle is fixedly connected on the rotating shaft of the compensating gear. Optionally, through the handle rotation compensation gear not only can realize the rotation of pipe, can also make the slider is along the rectangle track slides, realizes according to the rotation angle of pipe to the position automatically regulated of pipe, guarantees that the pjncture needle passes the landing point of pipe aims at the setpoint of patient's skin. Optionally, a lifting plate is slidably connected in the rectangular track, an adjusting block is fixedly connected on the sliding block, and a row of tooth grooves matched with the adjusting block are formed in the lifting plate. Optionally, a pull rod is connected to the rectangular track in a penetrating and sliding manner, the pull rod is fixedly connected to the lifting plate, and a compression spring sleeved on the pull rod is arranged between the lifting plate and the rectangular track. The beneficial effects of the invention are as follows: 1. According to the invention, the first positioning mechanism is arranged, so that the spine with different lateral bending degrees can be more comprehensively coped with, the position of the catheter is conveniently and rapidly adjusted, and the second positioning mechanism is arranged, so that the position of the catheter can be automatically adjusted and compensated when the catheter is rotated, the axis of the catheter always faces the positioning point of the skin of a patient, repeated measur