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CN-121987286-A - Bone backbone minimal access surgery grinds and bores

CN121987286ACN 121987286 ACN121987286 ACN 121987286ACN-121987286-A

Abstract

The invention relates to the technical field of orthopedic medical instruments, in particular to a grinding drill for minimally invasive surgery of an orthopedic spine. The invention provides a minimally invasive surgical abrasive drill for an orthopaedics backbone, which comprises a holding handle and the like, wherein the left side of the holding handle is fixedly connected with a connecting and fixing ring, the left end of the connecting and fixing ring is provided with a mounting sleeve, a driving motor is arranged in the holding handle, an output shaft of the driving motor is connected with a quick disengaging mechanism, one end of the quick disengaging mechanism, which is far away from the driving motor, is connected with an abrasive drilling rod, the abrasive drilling rod penetrates through the connecting and fixing ring and the mounting sleeve, the left end of the abrasive drilling rod is provided with an abrasive grinding head, and the left side of the mounting sleeve is provided with a sliding groove. According to the design of the grinding protective sleeve and the elastic lug, the elastic lug and the groove are locked in a fit mode, so that the grinding protective sleeve is retracted and wrapped with the grinding head, and the risk that nerve roots below and around are rubbed when the position of the grinding head is deviated is effectively prevented.

Inventors

  • WANG HAIYING
  • ZHANG ZHILONG
  • MA FENGHUA
  • Shelzati Ahemaiti River
  • HOU YANJIE

Assignees

  • 新疆医科大学第二附属医院

Dates

Publication Date
20260508
Application Date
20260303

Claims (10)

  1. 1. The utility model provides a bone backbone minimally invasive surgery grinds brill, which is characterized by including grip handle (1), connect fixed ring (2), install sleeve (3), grinding bistrique (4), grinding drilling rod (5), driving motor (6), grinding lag (7), sliding ring (71), elastic lug (72) and battery (11), grip handle (1) left side fixedly connected with connect fixed ring (2), connect fixed ring (2) left end and be equipped with install sleeve (3), be equipped with driving motor (6) in grip handle (1), be connected with quick release mechanism on output shaft (61) of driving motor (6), the one end that quick release mechanism kept away from driving motor (6) is connected with grinding drilling rod (5), grinding drilling rod (5) run through connect fixed ring (2) and install sleeve (3), grinding drilling rod (5) left end is equipped with grinding bistrique (4), open in the left side of installing sleeve (3) has spout (31), spout (31) are connected with grinding lag (7), grinding lag (7) right-hand member is equipped with sliding ring (71), be equipped with four outside evenly and slide (71) are equipped with elastic lug (72) and the same to the number of left and right sides (72), the elastic protruding block (72) is matched with the groove (32), and a battery (11) is arranged in the holding handle (1).
  2. 2. The bone spinal minimally invasive surgical abrasive drill is characterized in that the quick-release mechanism comprises a driving claw disc (62), a driven claw disc (51), a sliding sleeve (17), a mounting seat (18), an elastic piece (19) and a pulling plate (20), wherein the driving claw disc (62) is fixedly connected to the outer side of an output shaft (61) of a driving motor (6), the driven claw disc (51) is fixedly connected to the right end of a grinding drill rod (5), the driven claw disc (51) is meshed with the driving claw disc (62), a bushing mounting groove is formed in the outer side of the left portion of the driven claw disc (51), two mounting seats (18) are arranged at the right end of a connecting fixing ring (2), the elastic pieces (19) are arranged in the two mounting seats (18), one ends, far away from the mounting seats (18), of the elastic pieces (19) are connected with the pulling plate (20), the sliding sleeve (17) is connected between the two pulling plates (20), the sliding sleeve (17) is positioned in the bushing mounting groove, and the sliding sleeve (17) is not contacted with the outside of the bushing mounting groove.
  3. 3. The bone spinal minimally invasive surgical abrasive drill according to claim 2, further comprising a flushing conveying pipe (8), a connecting pipe (82) and a bone-suction chip pipe (9), wherein the bone-suction chip pipe (9) is connected to the left side of the connecting fixing ring (2) in a penetrating mode, the flushing conveying pipe (8) is sleeved on the outer side of the bone-suction chip pipe (9), the connecting pipe (82) is communicated with the right end of the flushing conveying pipe (8), the connecting pipe (82) is externally connected with a flushing device, and the right end of the bone-suction chip pipe (9) is externally connected with a medical negative pressure suction device.
  4. 4. The bone spinal minimally invasive surgical abrasive drill according to claim 3, further comprising a heat radiation fan (12), wherein the right end of the holding handle (1) is provided with a heat radiation opening, the heat radiation fan (12) is arranged in the holding handle (1), and the heat radiation fan (12) is positioned on the right side of the driving motor (6).
  5. 5. The bone spine minimally invasive surgical abrasive drill according to claim 4, further comprising a filter screen (13), wherein the filter screen (13) is arranged in the heat dissipation port.
  6. 6. The bone spinal minimally invasive surgical abrasive drill according to claim 5, further comprising a control button (10), wherein the control button (10) is arranged at the top of the holding handle (1), and the driving motor (6) and the heat dissipation fan (12) are electrically connected with the control button (10).
  7. 7. The bone spinal minimally invasive surgical abrasive drill according to claim 6, further comprising an anti-slip grip ring (14), wherein the anti-slip grip ring (14) is arranged on the outer side of the grip handle (1).
  8. 8. The bone spinal minimally invasive surgical abrasive drill according to claim 7, further comprising a fixing piece (33), wherein the fixing piece (33) is arranged at the top of the mounting sleeve (3), and the top of the fixing piece (33) is connected with the bottom of the bone fragments suction tube (9).
  9. 9. The bone spinal minimally invasive surgical abrasive drill according to claim 8, wherein the edge of the suction hole (91) of the bone fragments suction tube (9) is provided with a smooth transition chamfer.
  10. 10. The bone spinal minimally invasive surgical abrasive drill according to claim 9, further comprising an elastic contact pin (16) and a calibration sleeve (15), wherein the left end of the abrasive protection sleeve (7) is in threaded connection with the calibration sleeve (15), and a plurality of elastic contact pins (16) are arranged on the inner side wall of the calibration sleeve (15).

Description

Bone backbone minimal access surgery grinds and bores Technical Field The invention relates to the technical field of orthopedic medical instruments, in particular to a grinding drill for minimally invasive surgery of an orthopedic spine. Background Minimally invasive surgical techniques have evolved rapidly over the last decades, and minimally invasive spinal surgery, one of the latest developments in spinal treatment, has also evolved with dramatic changes, including improvements in equipment, advances in imaging techniques, and understanding of biomechanics, etc., having had a dramatic impact on the treatment and efficacy of spinal patients. The minimally invasive spine surgery has the advantages of reducing postoperative pain, reducing surgical wounds, shortening hospitalization time, reducing medical expenses and the like, and is favored by spine surgeons and patients. Through retrieving in current publication, patent publication number CN 111658064A's patent discloses a bone backbone minimal access surgery grinds bores, belongs to medical instrument technical field, has solved the problem that current bone backbone minimal access surgery grinds bores can not change drill bit length, and its technical essential is including connecting wire, connector, calibrated scale, length adjustment subassembly, first holding rod, first clamping device, second holding rod and drill bit subassembly, the connecting wire is connected with the connector, the connector is connected with first holding rod, first holding rod top is provided with length adjustment subassembly, length adjustment subassembly top is provided with the calibrated scale, still be provided with first clamping device in the first holding rod, first holding rod still is connected with the second holding rod, second holding rod below is provided with drill bit subassembly, and this bone backbone minimal access surgery grinds bores still has following defect: The bone spine minimally invasive surgery abrasive drill has the advantage of conveniently adjusting the length of the drill bit, but in spine minimally invasive surgery, when the abrasive drill is used for grinding target bones below the spine, the high-speed rotation abrasive grinding head is easy to influence due to small shake of hands of doctors or change of anatomical angles of the spine, position deviation occurs, nerve roots, spinal cords or surrounding soft tissues below and around are directly rubbed, so that limbs are numb and movement weakness of patients after operation are caused, and potential safety hazards exist. Therefore, there is a need to design a minimally invasive surgical burr of the spinal column in orthopedics. Disclosure of Invention In order to overcome the defect that when the abrasive drill is used for grinding the bone of the lower target, the high-speed rotary grinding head is easy to influence due to small shake of hands of doctors or change of anatomical angles of the spine, and position deviation occurs, the invention provides the abrasive drill for the minimally invasive surgery of the spine of orthopedics. The utility model provides a bone backbone minimal access surgery grinds bores, including holding the handle, connect solid fixed ring, the installation sleeve, the grinding bistrique, the grinding drilling rod, driving motor, the grinding lag, the slip ring, elastic lug and battery, it is connected with solid fixed ring to hold handle left side fixedly connected with, it is equipped with the installation sleeve to connect solid fixed ring left end, be equipped with driving motor in the handle to hold, be connected with quick release mechanism on driving motor's the output shaft, quick release mechanism keeps away from driving motor's one end and is connected with the grinding drilling rod, the grinding drilling rod runs through solid fixed ring and installation sleeve, the grinding drilling rod left end is equipped with the grinding bistrique, it has the spout to open in the installation sleeve left side, sliding type is connected with the grinding lag, grinding lag right-hand member is equipped with the slip ring, four evenly distributed's elastic lug is equipped with the recess corresponding and equal in quantity with the elastic lug position in the left and right sides of spout, elastic lug agrees with the recess, be equipped with the battery in the handle of holding. As a preferred technical scheme of the invention, the quick-release mechanism comprises a driving claw disc, a driven claw disc, a sliding sleeve, mounting seats, elastic pieces and pull plates, wherein the driving claw disc is fixedly connected to the outer side of an output shaft of a driving motor, the driven claw disc is fixedly connected to the right end of a grinding drill rod, the driven claw disc is meshed with the driving claw disc, a bushing mounting groove is formed in the outer side of the left part of the driven claw disc, two mounting seats are arranged at the right end of a