CN112315539B - Special orthopedics saw is cut off to rib - Google Patents
Special orthopedics saw is cut off to rib Download PDFInfo
- Publication number
- CN112315539B CN112315539B CN202011199569.7A CN202011199569A CN112315539B CN 112315539 B CN112315539 B CN 112315539B CN 202011199569 A CN202011199569 A CN 202011199569A CN 112315539 B CN112315539 B CN 112315539B
- Authority
- CN
- China
- Prior art keywords
- bone saw
- saw
- gear
- bone
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/147—Surgical saws ; Accessories therefor with circularly moving saw blades, i.e. non-reciprocating saw blades
Abstract
The invention discloses a special orthopedic saw for rib truncation, which comprises an upper bone saw shell, a lower bone saw shell, a transmission structure, a bone sawing structure and a traction structure. The upper shell and the lower shell of the bone saw are shells of the device, the main motor drives the upper shell and the lower shell of the bone saw to move when working, and the upper shell and the lower shell of the bone saw are engaged through gears to drive the bone saw structure to move to complete bone sawing action when being attached. In order to prevent secondary injury caused by scratching human tissues, the invention adopts the fillet design and uses the medical silicon rubber material, and can greatly reduce the probability of misoperation when in use and simultaneously reduce the difficulty of operation of doctors.
Description
Technical Field
The invention relates to the field of special medical instruments, in particular to an orthopedic saw special for rib truncation.
Background
At present, with the medical needs, many patients who need thoracotomy for thoracic outlet syndrome, severe scoliosis or thoracic cavity diseases need to cut off the rib for treatment, and a lot of important organs, blood vessels and nerves are arranged near the rib of the human body, so that extremely serious consequences can be caused if the operation is wrong. In order to solve such problems, application number CN201320125268.9 discloses a rib cutting forceps, which uses a fixed handle and a movable handle for cutting, and reduces the difficulty of the operation to some extent, but the cutting process still needs manual operation, and the injury to the patient caused by the operation and the unprocessed broken bone section are not considered.
Disclosure of Invention
The invention provides a special orthopedic saw for rib truncation, which comprises an upper bone saw shell, a lower bone saw shell, a transmission structure, a bone sawing structure and a traction structure.
The upper shell and the lower shell of the bone saw are shells of the device.
The transmission structure comprises: a slide rail bracket, a lower fixed slide frame, a lower movable slide block, a lower transmission screw rod, an upper fixed slide frame, an upper movable slide block, an upper transmission screw rod, a first bevel gear, a second bevel gear, a third bevel gear, a first transmission shaft, a slide rail gear bracket, a fourth bevel gear, a first gear outer bracket, a fifth bevel gear, a sixth bevel gear, a seventh bevel gear, a second gear outer bracket, an upper telescopic transmission shaft, a lower telescopic transmission shaft, a second transmission shaft, a first small bevel gear and a second small bevel gear, the bone saw comprises a small bevel gear III, a supporting rod, a transmission shaft III, a belt pulley I, a belt pulley II, a large transmission gear I, a transmission shaft IV, a small transmission gear, a large transmission gear II, a belt transmission group, a small bevel gear IV, a small bevel gear V, a tooth-shaped sliding block, a transmission shaft V, a transmission shaft VI, a bone saw lower shell sliding groove, a rotating shaft, a bone saw upper shell sliding groove, an outer support I, a main motor, an outer support II and a tooth-shaped sliding block screw rod; the sliding rail bracket is a base frame, a sliding rail is arranged on the inner side of the sliding rail bracket, a lower fixing sliding frame is fixedly arranged on a lower shell of the bone saw, a lower moving sliding block is fixedly arranged on the lower fixing sliding frame, a screw hole formed on the lower moving sliding block is in threaded fit with a lower transmission screw rod, one end of the lower transmission screw rod is rotatably arranged on the sliding rail bracket, the other end of the lower transmission screw rod is rotatably arranged on a sliding rail gear bracket, an upper fixing sliding frame is fixedly arranged on an upper shell of the bone saw, an upper moving sliding block is fixedly arranged on the upper fixing sliding frame, a screw hole formed on the upper moving sliding block is in threaded fit with an upper transmission screw rod, one end of the upper transmission screw rod is rotatably arranged on the sliding rail bracket, the other end of the upper transmission screw rod is rotatably arranged on the sliding rail gear bracket, a bevel gear I is fixedly arranged on the lower transmission screw rod and is rotatably connected with the sliding, a second bevel gear is matched with a third bevel gear, the third bevel gear is fixedly arranged at one end of a first transmission shaft and is rotationally connected with a sliding rail gear support, one end of the first transmission shaft is rotationally arranged on the sliding rail gear support, the other end of the first transmission shaft is rotationally arranged on a first gear outer support, the sliding rail gear support is fixedly arranged on the sliding rail support, a fourth bevel gear is fixedly arranged at the other end of the first transmission shaft and is rotationally connected with a first gear outer support, the fourth bevel gear is matched with a fifth bevel gear, the first gear outer support is fixedly arranged on the sliding rail support, the fifth bevel gear is fixedly arranged on a lower telescopic transmission shaft and is rotationally connected with a second gear outer support, the sixth bevel gear is fixedly arranged on the second transmission shaft and is rotationally connected with a second gear outer support, the sixth bevel gear is matched with a seventh bevel gear, and the seventh bevel gear is fixedly, a second gear outer support is fixedly arranged on an upper shell of the bone saw, an upper telescopic transmission shaft is rotatably arranged on the second gear outer support, a lower telescopic transmission shaft is rotatably arranged on the first gear outer support, one end of the second transmission shaft is rotatably arranged on the second gear outer support, the middle of the second transmission shaft is rotatably arranged on the upper shell of the bone saw, a first small bevel gear is fixedly arranged at the other end of the second transmission shaft, the first small bevel gear is matched with a second small bevel gear component, the second small bevel gear is rotatably arranged on a support rod, the second small bevel gear is matched with a third small bevel gear component, the third small bevel gear is fixedly arranged at one end of a third transmission shaft, the support rod is fixedly arranged on the bone saw support, the third transmission shaft is rotatably connected with the upper shell of the bone saw, the other end of the third transmission shaft is fixedly arranged on a main motor, a first belt pulley is fixedly arranged on, the first belt pulley is connected with the second belt pulley through a belt, the first large transmission gear is fixedly arranged on the fourth transmission shaft and is rotationally connected with the upper shell of the bone saw, one end of the fourth transmission shaft is rotationally arranged on the upper shell of the bone saw, the other end of the fourth transmission shaft is rotationally arranged on the first outer bracket, the small transmission gear is fixedly arranged at one end of the fifth transmission shaft and is rotationally connected with the lower shell of the bone saw, the small transmission gear is matched with the second large transmission gear, the second large transmission gear is fixedly arranged at one end of the rotating shaft and is rotationally connected with the lower shell of the bone saw, the large belt pulley on the belt transmission set is fixedly arranged on the fifth transmission shaft, the small belt pulley on the belt transmission set is fixedly arranged on the sixth transmission shaft, the large belt pulley and the small belt pulley on the belt transmission set are connected through the small belt, the fourth small bevel gear is fixedly, the fourth bevel pinion is matched with the fifth bevel pinion to form a gear, the fifth bevel pinion is fixedly installed on a toothed slider lead screw and is in rotating connection with a lower bone saw shell sliding chute, a toothed slider is in sliding connection with the lower bone saw shell sliding chute, a screw hole is formed in the toothed slider and is in threaded connection with the toothed slider lead screw, the fifth transmission shaft is rotatably installed on the lower bone saw shell, the sixth transmission shaft is rotatably installed on the lower bone saw shell, the lower bone saw shell sliding chute is fixedly installed at the bottom of the inner side of the lower bone saw shell, a rotating shaft is rotatably installed on the lower bone saw shell, the upper bone saw shell sliding chute is fixedly installed at the upper inner side of the upper bone saw shell, the first outer bracket is fixedly installed on the upper bone saw shell, the first main motor is fixedly installed on the first outer bracket, and the second outer bracket is fixedly installed;
the traction structure comprises: the bone saw traction device comprises a traction device support, a traction device, a traction belt fixing frame and a traction belt, wherein the traction device support is fixedly arranged on an upper shell of a bone saw, the traction device is fixedly arranged on the traction device support, the traction belt fixing frame is fixedly arranged on the bone saw support, one end of the traction belt is fixedly connected to the traction belt fixing frame, and one end of the traction belt is fixedly connected to the traction device.
Further, the saw bone structure comprises: a bone saw bracket sliding block, a bone saw bracket, a thin guide rod supporting frame, a bone saw driving wheel, a bone saw thin guide rod, a bone knife wheel and a high-speed motor, bone saw support slider become sliding connection with the last shell spout of bone saw, bone saw support slider fixed mounting is on bone saw support, bone saw support fixed mounting is on thin guide arm support frame, thin guide arm support frame front end fixed mounting is on thin guide arm of bone saw, thin guide arm support frame rear end fixed mounting is on the bone saw action wheel, it installs on thin guide arm of bone saw to file bone cutter wheel rotation, high-speed motor fixed mounting is on the bone saw action wheel, bone saw support slider becomes "protruding" font cooperation with the last shell spout of bone saw, bone saw support slider, bone saw support frame, thin guide arm support frame, the bone saw action wheel, the thin guide arm of bone saw, it can not drop on the track of shell spout to file bone saw, high-speed motor passes through bone saw support slider and restricts the slip on the track of shell spout on the bone saw.
Furthermore, the front ends of the upper bone saw shell and the lower bone saw shell are designed to be rounded corners for avoiding scratching human tissues when entering a human body, and the front ends of the upper bone saw shell and the lower bone saw shell are made of medical silicon rubber.
Furthermore, the front ends of the upper bone saw shell and the lower bone saw shell are provided with gaps, and the ribs can be clamped between the gaps when the upper bone saw shell and the lower bone saw shell are attached.
Furthermore, the outer sides of the lower fixed sliding frame and the upper fixed sliding frame are provided with sliding blocks matched with the sliding rails on the inner sides of the sliding rail brackets.
Furthermore, a coil spring is installed in the retractor, the coil spring is lengthened when the bone sawing mechanism moves forwards, and the coil spring is rewound when the bone sawing mechanism moves backwards to limit the bone sawing mechanism at the tail end of the sliding groove of the shell of the bone saw, so that the bone sawing mechanism is prevented from sliding when the bone sawing mechanism does not work.
Furthermore, the upper telescopic transmission shaft is provided with a hole, and the lower telescopic transmission shaft is provided with a bulge matched with the hole on the upper telescopic transmission shaft, so that the upper telescopic transmission shaft and the lower telescopic transmission shaft can synchronously rotate and stretch.
Furthermore, the lower surface of the bone saw bracket is provided with teeth matched with the teeth on the upper surface of the toothed sliding block.
Furthermore, the bone sawing mechanism further comprises a saw chain (not shown), the outer side of the saw chain is provided with a saw blade, the inner side of the saw chain is provided with teeth, the bone saw driving wheel is matched with the saw chain to form a chain, the outer edge of the bone filing cutter wheel is provided with teeth matched with the teeth on the inner side of the saw chain, the bone filing cutter wheel is matched with the saw chain to form the chain, the bone saw driving wheel is connected with the bone filing cutter wheel through the saw chain, a gap is formed in the middle of the outer edge of the thin bone saw guide rod, the teeth on the inner side of the saw chain are matched with the gap on the outer edge of the thin bone saw guide rod, and the saw chain is in sliding connection with the thin bone saw guide.
Compared with the prior art, the invention has the beneficial effects that: (1) in order to prevent secondary injury caused by scratching human tissues, the invention adopts a fillet design and uses a medical silicon rubber material; (2) the invention can automatically work when being placed at a designated position; (3) when the invention is used, bone sawing and bone filing are carried out simultaneously; (4) when the invention is used, the probability of operation error can be greatly reduced, and the difficulty of operation of doctors is reduced.
Drawings
FIG. 1 is an overall schematic view of the present invention.
FIG. 2 is a schematic de-jacketing view of the present invention.
FIG. 3 is a schematic view of the interior of the lower housing of the present invention.
Fig. 4 is a schematic view of the interior of the upper housing of the present invention.
Fig. 5 is a side view of the present invention.
Reference numerals: 1-sawing the bone to obtain the shell; 2-sawing the shell of the bone; 3-a slide rail bracket; 4-lower fixed carriage; 5-moving the sliding block downwards; 6-lower driving screw rod; 7-upper fixed carriage; 8-moving the slide block upwards; 9-upper driving screw rod; 10-a retractor holder; 11-a retractor; 12-bevel gear one; 13-bevel gear two; 14-bevel gear three; 15-a first transmission shaft; 16-a slide rail gear rack; 17-bevel gear four; 18-gear outer bracket one; 19-bevel gear five; 20-bevel gear six; 21-bevel gear seven; 22-gear outer bracket two; 23-mounting a telescopic transmission shaft; 24-lower telescopic transmission shaft; 25-a second transmission shaft; 26-bevel pinion one; 27-bevel pinion two; 28-bevel pinion three; 29-a support bar; 30-transmission shaft III; 31-a first belt pulley; 32-a belt; 33-pulley two; 34-bone saw mount slide block; 35-a bone saw support; 36-thin guide rod support; 37-bone saw driving wheel; 38-large transmission gear I; 39-bone saw thin guide rod; 40-bone-contusion cutter wheel; 41-transmission shaft four; 42-small drive gear; 43-big transmission gear two; 44-traction belt fixing frame; 45-a traction belt; 46-a belt drive set; 47-bevel pinion four; 48-bevel pinion five; 49-tooth type slide block; 50-transmission shaft five; 51-transmission shaft six; 52-bone saw lower housing chute; 53-rotation axis; 54-bone saw upper housing runner; 55-outer support one; 56-main motor; 57-outer support two; 58-high speed motor; 59-tooth type slider screw.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
Example (b): the special bone saw for rib truncation shown in fig. 1, 2, 3, 4 and 5 comprises an upper bone saw housing 1, a lower bone saw housing 2, a transmission structure, a bone sawing structure and a traction structure.
The upper bone saw housing 1 and the lower bone saw housing 2 are the housings of the device.
The transmission structure includes: a slide rail bracket 3, a lower fixed slide frame 4, a lower movable slide block 5, a lower transmission screw 6, an upper fixed slide frame 7, an upper movable slide block 8, an upper transmission screw 9, a first bevel gear 12, a second bevel gear 13, a third bevel gear 14, a first transmission shaft 15, a slide rail gear bracket 16, a fourth bevel gear 17, a first gear outer bracket 18, a fifth bevel gear 19, a sixth bevel gear 20, a seventh bevel gear 21, a second gear outer bracket 22, an upper telescopic transmission shaft 23, a lower telescopic transmission shaft 24, a second transmission shaft 25, a first small bevel gear 26, a second small bevel gear 27, a third small bevel gear 28, a support rod 29, a third transmission shaft 30, a first belt pulley 31, a belt 32, a second belt pulley 33, a first large transmission gear 38, a fourth transmission shaft 41, a small transmission gear 42, a second large transmission gear 43, a belt transmission group 46, a fourth small bevel gear 47, a fifth small bevel gear 48, a tooth-shaped slide block 49, The bone saw comprises a bone saw lower shell sliding groove 52, a rotating shaft 53, a bone saw upper shell sliding groove 54, an outer bracket I55, a main motor 56, an outer bracket II 57 and a tooth-shaped sliding block screw 59; the bone saw is characterized in that the slide rail bracket 3 is a base frame, a slide rail is arranged on the inner side of the slide rail bracket, a lower fixed slide block 4 is fixedly arranged on a lower shell 2 of the bone saw, a lower movable slide block 5 is fixedly arranged on the lower fixed slide block 4, a screw hole is formed on the lower movable slide block 5 and forms threaded fit with a lower transmission screw 6, one end of the lower transmission screw 6 is rotatably arranged on the slide rail bracket 3, the other end of the lower transmission screw 6 is rotatably arranged on a slide rail gear bracket 16, an upper fixed slide block 7 is fixedly arranged on an upper fixed slide block 7, a screw hole is formed on the upper movable slide block 8 and forms threaded fit with an upper transmission screw 9, one end of the upper transmission screw 9 is rotatably arranged on the slide rail bracket 3, the other end of the upper transmission screw 9 is rotatably arranged on a slide rail gear bracket 16, a bevel gear I12 is fixedly arranged on the lower, a bevel gear I12 is in gear fit with a bevel gear III 14, a bevel gear II 13 is fixedly arranged on an upper transmission screw rod 9 and is in rotary connection with a sliding rail gear support 16, the bevel gear II 13 is in gear fit with the bevel gear III 14, the bevel gear III 14 is fixedly arranged on one end of a transmission shaft I15 and is in rotary connection with the sliding rail gear support 16, one end of the transmission shaft I15 is rotatably arranged on the sliding rail gear support 16, the other end of the transmission shaft I15 is rotatably arranged on a gear outer support I18, the sliding rail gear support 16 is fixedly arranged on the sliding rail support 3, a bevel gear IV 17 is fixedly arranged on the other end of the transmission shaft I15 and is in rotary connection with the gear outer support I18, the bevel gear IV 17 is in gear fit with a bevel gear V19, the gear outer support I18 is fixedly arranged on the sliding rail support 3, and the bevel gear V19 is fixedly arranged on, a bevel gear six 20 is fixedly arranged on a transmission shaft II 25 and is rotationally connected with a gear outer bracket II 22, the bevel gear six 20 is in gear fit with a bevel gear seven 21, the bevel gear seven 21 is fixedly arranged on an upper telescopic transmission shaft 23 and is rotationally connected with a gear outer bracket II 22, the gear outer bracket II 22 is fixedly arranged on the bone saw upper shell 1, the upper telescopic transmission shaft 23 is rotationally arranged on the gear outer bracket II 22, a lower telescopic transmission shaft 24 is rotationally arranged on a gear outer bracket I18, one end of the transmission shaft II 25 is rotationally arranged on the gear outer bracket II 22, the middle of the transmission shaft II 25 is rotationally arranged on the bone saw upper shell 1, a bevel pinion I26 is fixedly arranged on the other end of the transmission shaft II 25, the bevel pinion I26 is in gear fit with a bevel pinion II 27, the bevel pinion II 27 is rotationally arranged on a support rod 29, the bevel pinion II 27 is in gear fit with the bevel pinion III 28, a small bevel gear three 28 is fixedly arranged at one end of a transmission shaft three 30, a support rod 29 is fixedly arranged on a bone saw bracket 35, the transmission shaft three 30 is rotatably connected with the upper shell 1 of the bone saw, the other end of the transmission shaft three 30 is fixedly arranged on a main motor 56, a belt pulley one 31 is fixedly arranged on the transmission shaft three 30, a belt pulley two 33 is fixedly arranged on a transmission shaft four 41, the belt pulley one 31 is connected with the belt pulley two 33 through a belt 32, a large transmission gear one 38 is fixedly arranged on the transmission shaft four 41 and is rotatably connected with the upper shell 1 of the bone saw, one end of the transmission shaft four 41 is rotatably arranged on the upper shell 1 of the bone saw, the other end of the transmission shaft four 41 is rotatably arranged on an outer bracket one 55, a small transmission gear 42 is fixedly arranged at one end of the transmission shaft five 50 and is rotatably connected with the lower shell 2 of the bone saw, the small transmission gear 42 is in gear fit with the large transmission gear two 43, the, the belt transmission set 46 is provided with a large belt pulley and a small belt pulley, the large belt pulley on the belt transmission set 46 is fixedly arranged on a transmission shaft five 50, the small belt pulley on the belt transmission set 46 is fixedly arranged on a transmission shaft six 51, the large belt pulley and the small belt pulley of the belt transmission set 46 are connected through a small belt, a small bevel gear four 47 is fixedly arranged at one end of the transmission shaft six 51 and is rotationally connected with the lower bone saw shell 2, the small bevel gear four 47 is in gear fit with the small bevel gear five 48, the small bevel gear five 48 is fixedly arranged on a toothed slider lead screw 59 and is rotationally connected with the lower bone saw shell slide groove 52, the toothed slider 49 is in sliding connection with the lower bone saw shell slide groove 52, a screw hole on the toothed slider 49 is in threaded fit with the toothed slider lead screw 59, the transmission shaft five 50 is rotationally arranged on the lower bone saw shell 2, the transmission shaft six 51 is rotationally arranged on the lower bone saw shell 2, the lower bone saw shell slide groove 52, the rotating shaft 53 is rotatably arranged on the lower shell 2 of the bone saw, the sliding chute 54 of the upper shell of the bone saw is fixedly arranged on the upper part of the inner side of the upper shell 1 of the bone saw, the first outer bracket 55 is fixedly arranged on the upper shell 1 of the bone saw, the main motor 56 is fixedly arranged on the first outer bracket 55, and the second outer bracket 57 is fixedly arranged on the upper shell 1 of the bone saw.
The traction structure includes: the bone saw retractor comprises a retractor support 10, a retractor 11, a traction belt fixing frame 44 and a traction belt 45, wherein the retractor support 10 is fixedly installed on a shell 1 on a bone saw, the retractor 11 is fixedly installed on the retractor support 10, the traction belt fixing frame 44 is fixedly installed on a bone saw support 35, one end of the traction belt 45 is fixedly connected onto the traction belt fixing frame 44, and one end of the traction belt 45 is fixedly connected onto the retractor 11.
The sawed bone structure includes: the bone saw comprises a bone saw support sliding block 34, a bone saw support 35, a thin guide rod support frame 36, a bone saw driving wheel 37, a bone saw thin guide rod 39, a bone saw blade wheel 40 and a high-speed motor 58, wherein the bone saw support sliding block 34 is in sliding connection with an upper shell sliding groove 54 of the bone saw, the bone saw support sliding block 34 is fixedly arranged on the bone saw support frame 35, the bone saw support frame 35 is fixedly arranged on the thin guide rod support frame 36, the front end of the thin guide rod support frame 36 is fixedly arranged on the bone saw thin guide rod 39, the rear end of the thin guide rod support frame 36 is fixedly arranged on the bone saw driving wheel 37, the bone saw blade wheel 40 is rotatably arranged on the bone saw thin guide rod 39, the high-speed motor 58 is fixedly arranged on the bone saw driving wheel 37, the bone saw support sliding block 34 is in convex-shaped fit with the upper shell sliding groove 54 of the bone saw, the bone saw support sliding block 34, the bone saw support frame 35, the thin guide, The high speed motor 58 is constrained by the bone saw mount slide 34 to slide on the rails of the housing runner 54 on the bone saw without falling out.
When the bone saw is used, the front ends of the upper bone saw shell 1 and the lower bone saw shell 2 are provided with gaps, and the ribs can be clamped between the gaps when the upper bone saw shell 1 and the lower bone saw shell 2 are attached.
When the invention is used, the outer sides of the lower fixed sliding frame 4 and the upper fixed sliding frame 7 are provided with sliding blocks matched with the sliding rails on the inner sides of the sliding rail brackets 3.
When the bone saw is used, the retractor 11 is internally provided with the coil spring, the coil spring is elongated when the bone sawing mechanism moves forwards, and the coil spring is rewound when the bone sawing mechanism moves backwards to limit the bone sawing mechanism at the tail end of the shell sliding groove 54 on the bone saw, so that the bone sawing mechanism is prevented from sliding when the bone saw does not work.
When the bone saw mechanism is used, the bone saw mechanism further comprises a saw chain (not shown), a saw blade is arranged on the outer side of the saw chain, teeth are arranged on the inner side of the saw chain, the bone saw driving wheel 37 is matched with the saw chain to form a chain, teeth matched with the teeth on the inner side of the saw chain are arranged on the outer edge of the bone saw wheel 40, the bone saw wheel 40 is matched with the saw chain to form the chain, the bone saw driving wheel 37 is connected with the bone saw wheel 40 through the saw chain, a gap is formed in the middle of the outer edge of the thin bone saw guide rod 39, the teeth on the inner side of the saw chain are matched with the gap on the outer edge of the thin bone saw guide rod 39, and the saw chain is in sliding connection with the.
The working principle is as follows: when the main motor 56 works, the third bevel gear 28 on the third transmission shaft 30 is driven to rotate, the sixth bevel gear 20 on the second transmission shaft 25 is driven to rotate through the gear transmission among the first bevel gear 26, the second bevel gear 27 and the third bevel gear 28, the seventh bevel gear 21 is driven to rotate through the gear matching, simultaneously drives the upper telescopic transmission shaft 23 to rotate, the upper telescopic transmission shaft 23 is matched with the lower telescopic transmission shaft 24, the lower telescopic transmission shaft 24 rotates along with the rotation of the upper telescopic transmission shaft 23, meanwhile, a fifth bevel gear 19 on a lower telescopic transmission shaft 24 is driven to rotate, the fifth bevel gear 19 drives a fourth bevel gear 17 to rotate through gear matching, the fourth bevel gear 17 drives a third bevel gear 14 to rotate through a first transmission shaft 15, the third bevel gear 14 drives a screw rod on a first bevel gear 12 and a second bevel gear 13 to rotate through gear matching, the motion of the upper shell 1 and the lower shell 2 of the bone saw is completed through the transmission of the lower moving slide block 5. When the main motor 56 works, the first belt pulley 31 on the third transmission shaft 30 is driven to rotate, the second belt pulley 33 is driven to rotate through the belt 32, the first large transmission gear 38 on the fourth transmission shaft 41 is driven to rotate, when the upper bone saw shell 1 is attached to the lower bone saw shell 2, the first large transmission gear 38 is meshed with the second large transmission gear 43, the first large transmission gear 38 drives the second large transmission gear 43 to rotate, the second large transmission gear 43 is in gear fit with the small transmission gear 42, the second large transmission gear 43 drives the small transmission gear 42 to rotate, the small transmission gear 42 drives the fifth transmission shaft 50 to rotate, the fourth small bevel gear 47 on the sixth transmission shaft 51 is driven to rotate through the belt transmission set 46, the fourth small bevel gear 47 drives the tooth-shaped slide block lead screw 59 on the fifth small bevel gear 48 to rotate through gear fit, so that the tooth-shaped slide block 49 moves on the tooth-shaped slide block lead screw 59, when the upper bone saw, the teeth on the tooth-shaped sliding block 49 are matched with the teeth below the bone saw bracket 35, the tooth-shaped sliding block 49 can drive the whole bone saw structure to move together, when the bone saw structure moves, the small bevel gear II 27 is separated from the small bevel gear I26 and the small bevel gear III 28, and the upper shell 1 and the lower shell 2 of the bone saw stop moving. The upper bone saw shell 1 and the lower bone saw shell 2 are separated, and the bone saw structure is reversed.
Claims (8)
1. The utility model provides a rib cuts special orthopedics saw, includes that casing (1), bone saw down casing (2), transmission structure, saw bone structure and traction structure on the bone saw, its characterized in that: the upper bone saw shell (1) and the lower bone saw shell (2) are shells of special orthopedic saws for rib truncation;
the transmission structure comprises: the device comprises a sliding rail support (3), a lower fixed sliding frame (4), a lower moving slide block (5), a lower transmission screw rod (6), an upper fixed sliding frame (7), an upper moving slide block (8), an upper transmission screw rod (9), a first bevel gear (12), a second bevel gear (13), a third bevel gear (14), a first transmission shaft (15), a sliding rail gear support (16), a fourth bevel gear (17), a first gear outer support (18), a fifth bevel gear (19), a sixth bevel gear (20), a seventh bevel gear (21), a second gear outer support (22), an upper telescopic transmission shaft (23), a lower telescopic transmission shaft (24), a second transmission shaft (25), a first small bevel gear (26), a second small bevel gear (27), a third small bevel gear (28), a support rod (29), a third transmission shaft (30), a first belt pulley (31), a belt (32), a second belt pulley (33), a first large transmission gear (, A transmission shaft IV (41), a small transmission gear (42), a large transmission gear II (43), a belt transmission group (46), a small bevel gear IV (47), a small bevel gear V (48), a tooth-shaped sliding block (49), a transmission shaft V (50), a transmission shaft VI (51), a bone saw lower shell sliding groove (52), a rotating shaft (53), a bone saw upper shell sliding groove (54), an outer support I (55), a main motor (56), an outer support II (57) and a tooth-shaped sliding block screw rod (59); the bone saw is characterized in that the slide rail bracket (3) is a base frame, a slide rail is arranged on the inner side of the slide rail bracket, the lower fixed slide frame (4) is fixedly arranged on the lower shell (2) of the bone saw, the lower movable slide block (5) is fixedly arranged on the lower fixed slide frame (4), a screw hole is arranged on the lower movable slide block (5) and forms threaded fit with the lower transmission lead screw (6), one end of the lower transmission lead screw (6) is rotatably arranged on the slide rail bracket (3), the other end of the lower transmission lead screw (6) is rotatably arranged on the slide rail gear bracket (16), the upper fixed slide frame (7) is fixedly arranged on the upper shell (1) of the bone saw, the upper movable slide block (8) is fixedly arranged on the upper fixed slide frame (7), a screw hole is arranged on the upper movable slide block (8) and forms threaded fit with the upper transmission lead screw (9), one end of the upper transmission lead screw (9) is rotatably arranged on the slide rail bracket (, a bevel gear I (12) is fixedly arranged on a lower transmission screw rod (6) and is in rotary connection with a sliding rail gear bracket (16), the bevel gear I (12) is in gear fit with a bevel gear III (14), a bevel gear II (13) is fixedly arranged on an upper transmission screw rod (9) and is in rotary connection with the sliding rail gear bracket (16), the bevel gear II (13) is in gear fit with the bevel gear III (14), the bevel gear III (14) is fixedly arranged on one end of a transmission shaft I (15) and is in rotary connection with the sliding rail gear bracket (16), one end of the transmission shaft I (15) is rotatably arranged on the sliding rail gear bracket (16), the other end of the transmission shaft I (15) is rotatably arranged on a gear outer bracket I (18), the sliding rail gear bracket (16) is fixedly arranged on the sliding rail bracket (3), a bevel gear IV (17) is fixedly arranged on the other end of the transmission shaft I (15) and is in rotary connection with the gear outer bracket I, a bevel gear IV (17) is in gear fit with a bevel gear V (19), a gear outer bracket I (18) is fixedly arranged on the sliding rail bracket (3), the bevel gear V (19) is fixedly arranged on a lower telescopic transmission shaft (24) and is in rotary connection with the gear outer bracket I (18), a bevel gear VI (20) is fixedly arranged on a transmission shaft II (25) and is in rotary connection with a gear outer bracket II (22), the bevel gear VI (20) is in gear fit with a bevel gear VII (21), the bevel gear VII (21) is fixedly arranged on an upper telescopic transmission shaft (23) and is in rotary connection with the gear outer bracket II (22), the gear outer bracket II (22) is fixedly arranged on the bone saw upper shell (1), the upper telescopic transmission shaft (23) is rotatably arranged on the gear outer bracket II (22), the lower telescopic transmission shaft (24) is rotatably arranged on the gear outer bracket I (18), one end of the transmission shaft II (25) is rotatably arranged on the gear outer bracket II (22), the middle of a second transmission shaft (25) is rotatably arranged on the upper casing (1) of the bone saw, a first bevel pinion (26) is fixedly arranged at the other end of the second transmission shaft (25), the first bevel pinion (26) is in gear fit with a second bevel pinion (27), the second bevel pinion (27) is rotatably arranged on a support rod (29), the second bevel pinion (27) is in gear fit with a third bevel pinion (28), the third bevel pinion (28) is fixedly arranged at one end of a third transmission shaft (30), the support rod (29) is fixedly arranged on a support (35) of the bone saw, the third transmission shaft (30) is in rotary connection with the upper casing (1) of the bone saw, the other end of the third transmission shaft (30) is fixedly arranged on a main motor (56), a first belt pulley (31) is fixedly arranged on the third transmission shaft (30), a second belt pulley (33) is fixedly arranged on a fourth transmission shaft (41), the first belt pulley (31) is connected with the second belt (33) through a belt (32), a large transmission gear I (38) is fixedly arranged on a transmission shaft IV (41) and is rotationally connected with the upper shell (1) of the bone saw, one end of the transmission shaft IV (41) is rotationally arranged on the upper shell (1) of the bone saw, the other end of the transmission shaft IV (41) is rotationally arranged on an outer bracket II (57), a small transmission gear (42) is fixedly arranged at one end of a transmission shaft V (50) and is rotationally connected with the lower shell (2) of the bone saw, the small transmission gear (42) is in gear fit with a large transmission gear II (43), the large transmission gear II (43) is fixedly arranged at one end of a rotating shaft (53) and is rotationally connected with the lower shell (2) of the bone saw, a belt transmission set (46) is provided with a large belt pulley and a small belt pulley, a large belt pulley on the belt transmission set (46) is fixedly arranged on the transmission shaft V (50), a small belt pulley on the belt transmission set (46), the big belt pulley and the small belt pulley of the belt transmission group (46) are connected through a small belt, a small bevel gear four (47) is fixedly arranged at one end of a transmission shaft six (51) and is rotationally connected with the lower bone saw shell (2), the small bevel gear four (47) is in gear fit with a small bevel gear five (48), the small bevel gear five (48) is fixedly arranged on a tooth-shaped slide block lead screw (59) and is rotationally connected with a lower bone saw shell slide groove (52), a tooth-shaped slide block (49) is in sliding connection with the lower bone saw shell slide groove (52), a screw hole is arranged on the tooth-shaped slide block (49) and is in threaded fit with the tooth-shaped slide block lead screw (59), the transmission shaft five (50) is rotationally arranged on the lower bone saw shell (2), the transmission shaft six (51) is rotationally arranged on the lower bone saw shell (2), the lower bone saw shell slide groove (52) is fixedly arranged at the bottom of the inner side of the lower bone saw shell (2), a rotating shaft (53) is rotationally arranged on, the upper bone saw shell sliding groove (54) is fixedly arranged at the upper part of the inner side of the upper bone saw shell (1), the first outer bracket (55) is fixedly arranged on the upper bone saw shell (1), the main motor (56) is fixedly arranged on the first outer bracket (55), and the second outer bracket (57) is fixedly arranged on the upper bone saw shell (1);
the traction structure comprises: the bone saw traction device comprises a traction device support (10), a traction device (11), a traction belt fixing frame (44) and a traction belt (45), wherein the traction device support (10) is fixedly arranged on an upper shell (1) of the bone saw, the traction device (11) is fixedly arranged on the traction device support (10), the traction belt fixing frame (44) is fixedly arranged on a bone saw support (35), one end of the traction belt (45) is fixedly connected to the traction belt fixing frame (44), and one end of the traction belt (45) is fixedly connected to the traction device (11);
the sawed bone structure comprises: the bone saw comprises a bone saw support sliding block (34), a bone saw support (35), a thin guide rod support frame (36), a bone saw driving wheel (37), a bone saw thin guide rod (39), a bone saw support frame (40) and a high-speed motor (58), wherein the bone saw support sliding block (34) is in sliding connection with an upper shell sliding chute (54) of the bone saw, the bone saw support sliding block (34) is fixedly arranged on the bone saw support frame (35), the bone saw support frame (35) is fixedly arranged on the thin guide rod support frame (36), the front end of the thin guide rod support frame (36) is fixedly arranged on the thin guide rod (39) of the bone saw, the rear end of the thin guide rod support frame (36) is fixedly arranged on the bone saw driving wheel (37), the bone saw wheel (40) is rotatably arranged on the thin guide rod (39) of the bone saw, the high-speed motor (58) is fixedly arranged on the bone saw driving wheel (37), the bone saw support sliding block (34) is in convex fit, the bone saw support sliding block (34), the bone saw support (35), the thin guide rod support frame (36), the bone saw driving wheel (37), the bone saw thin guide rod (39), the bone knife filing wheel (40) and the high-speed motor (58) are limited by the bone saw support sliding block (34) to slide on a track of the shell sliding groove (54) on the bone saw and cannot fall off.
2. The orthopedic saw special for rib truncation according to claim 1, wherein: the bone saw upper shell (1) and the bone saw lower shell (2) are designed to be round corners at the front ends of the bone saw upper shell (1) and the bone saw lower shell (2) for avoiding scratching human tissues when entering a human body, and the front ends of the bone saw upper shell (1) and the bone saw lower shell (2) are made of medical silicon rubber.
3. The orthopedic saw special for rib truncation according to claim 1, wherein: the front ends of the upper bone saw shell (1) and the lower bone saw shell (2) are provided with gaps, and the ribs can be clamped in the gaps when the upper bone saw shell (1) and the lower bone saw shell (2) are attached.
4. The orthopedic saw special for rib truncation according to claim 1, wherein: and sliding blocks matched with the sliding rails on the inner sides of the sliding rail brackets (3) are arranged on the outer sides of the lower fixed sliding frame (4) and the upper fixed sliding frame (7).
5. The orthopedic saw special for rib truncation according to claim 1, wherein: the retractor (11) is internally provided with a coil spring, the coil spring is elongated when the saw bone structure moves forwards, and the coil spring is rewound to limit the saw bone structure at the tail end of a sliding groove (54) of an upper shell of the bone saw when the saw bone structure moves backwards, so that the saw bone structure is prevented from sliding when the special bone saw for rib truncation does not work.
6. The orthopedic saw special for rib truncation according to claim 1, wherein: the upper telescopic transmission shaft (23) is provided with a hole, and the lower telescopic transmission shaft (24) is provided with a bulge matched with the hole on the upper telescopic transmission shaft (23), so that the upper telescopic transmission shaft (23) and the lower telescopic transmission shaft (24) can synchronously rotate and stretch.
7. The orthopedic saw special for rib truncation according to claim 1, wherein: the lower surface of the bone saw bracket (35) is provided with teeth matched with the teeth on the upper surface of the tooth-shaped sliding block (49).
8. The orthopedic saw special for rib truncation according to claim 1, wherein: the saw bone structure still include the saw chain, the saw chain outside have the saw sword, the saw chain inboard has the tooth, bone saw action wheel (37) become the chain cooperation with the saw chain, it has the tooth with the inboard tooth matched with of saw chain to contort bone break pulley (40) outer fringe, it becomes the chain cooperation with the saw chain to contort bone break pulley (40), bone saw action wheel (37) with it is connected through the saw chain to contort bone break pulley (40), thin guide arm of bone saw (39) outer fringe in the middle of have the space, the inside tooth of saw chain cooperatees with the space on the thin guide arm of bone saw (39) outer fringe, the saw chain becomes sliding connection with thin guide arm of bone saw (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199569.7A CN112315539B (en) | 2020-10-30 | 2020-10-30 | Special orthopedics saw is cut off to rib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199569.7A CN112315539B (en) | 2020-10-30 | 2020-10-30 | Special orthopedics saw is cut off to rib |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112315539A CN112315539A (en) | 2021-02-05 |
| CN112315539B true CN112315539B (en) | 2021-05-11 |
Family
ID=74324022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011199569.7A Active CN112315539B (en) | 2020-10-30 | 2020-10-30 | Special orthopedics saw is cut off to rib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112315539B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3714237A1 (en) * | 1987-04-29 | 1988-11-17 | Rainer Dr Dr Sachse | Circularly oscillating saw |
| US8021368B2 (en) * | 2004-01-14 | 2011-09-20 | Hudson Surgical Design, Inc. | Methods and apparatus for improved cutting tools for resection |
| CN2908195Y (en) * | 2005-05-20 | 2007-06-06 | 郑诚恭 | Pneumatic carving apparatus |
| US20070073303A1 (en) * | 2005-09-09 | 2007-03-29 | Namba Robert S | Bone-cutting circular saw |
| CN203182981U (en) * | 2013-03-19 | 2013-09-11 | 桐庐广硕医疗器械有限公司 | Rib cutting pincers |
| CN204318840U (en) * | 2014-12-15 | 2015-05-13 | 王爱平 | A kind of bone-cutting device of department of otorhinolaryngology |
| CN207897807U (en) * | 2017-12-28 | 2018-09-25 | 宁夏羊万荣清真肉食品有限公司 | A kind of sheep bone cutting device for processing |
| CN210124814U (en) * | 2019-05-05 | 2020-03-06 | 陈红艳 | Cutting knife saw with adjustable cutting surface for medical orthopedics |
| CN111466994B (en) * | 2020-04-16 | 2022-06-17 | 河南省洛阳正骨医院（河南省骨科医院） | Multifunctional orthopedic saw special for orthopedic surgery |
-
2020
- 2020-10-30 CN CN202011199569.7A patent/CN112315539B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN112315539A (en) | 2021-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2367432A (en) | Surgical saw | |
| CN208262008U (en) | A kind of cutter device for pushing and clamping convenient for steel pipe | |
| CN112315539B (en) | Special orthopedics saw is cut off to rib | |
| CN110327085B (en) | Auxiliary device for abdominal operation | |
| JPH08503866A (en) | Powered peeling knife with unidirectional rotating cutting blade | |
| CN105996712A (en) | Portable pineapple peeler | |
| CN211681527U (en) | Burnishing device is used in electromechanical device processing | |
| CN114407206B (en) | Forearm gypsum demolishs device for orthopedics | |
| CN2897515Y (en) | Automatic saw machine | |
| CN215092403U (en) | Workbench of milling machine | |
| CN217256476U (en) | Chinese-medicinal material section device | |
| CN209970795U (en) | Protective disposable skin preparation knife | |
| RU2392096C2 (en) | Method for treatment of cogs in helical cylindrical geared wheels and device for its realisation | |
| CN111358018A (en) | A chinese yam device of skinning for food processing chinese yam reprocessing | |
| CN215503245U (en) | Multifunctional orthopedic saw special for orthopedic surgery | |
| CN108839198A (en) | A kind of chopping block making apparatus | |
| CN220408826U (en) | Safe toast bread slicer | |
| CN210914125U (en) | Five-dimensional mechanical trolley | |
| CN218138189U (en) | Shaver head and electric shaver | |
| CN211890951U (en) | Edible mushroom processing is with automatic stripping and slicing equipment | |
| CN217095997U (en) | Cutting device is used in processing of commercial car water-cooling board casing | |
| CN210819814U (en) | Safe type saw bone machine | |
| CN219538424U (en) | Multifunctional special surgical saw | |
| CN213406497U (en) | Ware is tailor to chassis that accidental injury is prevented to integral type | |
| CN220613170U (en) | Steel construction preparation cutting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Xiaoxing Inventor after: Li Yahua Inventor after: Ma Haihui Inventor before: Ma Haihui |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210421 Address after: 201801 Shanghai city Jiading District Malu Town Longpan Road No. 125 building 6 floor A District 2 Applicant after: SHANGHAI BOJIN MEDICAL INSTRUMENT Co.,Ltd. Address before: 657020 No.1 Guoxue Road, Zhaoyang District, Zhaotong City, Yunnan Province Applicant before: Ma Haihui |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |