阅读说明：本技术 一种医用骨科开缝器 (Medical orthopaedic slotting device ) 是由 陶涛 于 2019-10-09 设计创作，主要内容包括：本发明涉及一种医用骨科开缝器,包括外壳体、转盘、钻头、支撑板和连接块,所述的转盘转动连接在外壳体内,所述的钻头设置有三个,三个钻头依次连接在转盘上,所述的支撑板固定安装在外壳体的上端内,所述的连接块设置在支撑板的顶部,所述的支撑板上安装有第一电动缸7,第一电动缸的出轴端穿过支撑板并通过联轴器与传动杆16相连,所述的传动杆的端部设置有电磁铁,所述的电磁铁通过第一电动缸的驱动伸入至钻头的杆体内并与杆体内的铁块相连,所述的传动杆还与旋转驱动机构相连,所述的支撑板上固定有第一伺服电机,第一伺服电机的出轴端连接在转盘的中心处。本设计具有结构简单、易于制造和实用高效的优点。(The invention relates to a medical orthopaedic slotting device, which comprises a shell, a rotary disc, a drill bit, a supporting plate and a connecting block, the rotary table is rotationally connected in the outer shell, three drill bits are arranged, the three drill bits are sequentially connected on the rotary table, the supporting plate is fixedly arranged in the upper end of the outer shell, the connecting block is arranged at the top of the supporting plate, a first electric cylinder 7 is arranged on the supporting plate, the output shaft end of the first electric cylinder passes through the supporting plate and is connected with a transmission rod 16 through a coupling, the end part of the transmission rod is provided with an electromagnet, the electromagnet extends into the rod body of the drill bit through the driving of the first electric cylinder and is connected with an iron block in the rod body, the transmission rod is further connected with the rotary driving mechanism, a first servo motor is fixed on the supporting plate, and the output shaft end of the first servo motor is connected to the center of the rotary table. The design has the advantages of simple structure, easy manufacture, practicality and high efficiency.)

1. The utility model provides a medical orthopedics ware that cracks which characterized in that: the drilling machine comprises an outer shell, a rotary disc (4), three drill bits, a supporting plate (5) and a connecting block (2), wherein the rotary disc (4) is rotatably connected in the outer shell, the number of the drill bits is three, the three drill bits are sequentially connected on the rotary disc (4), the supporting plate is fixedly installed in the upper end of the outer shell, the connecting block is arranged at the top of the supporting plate, a first electric cylinder (7) is installed on the supporting plate, the output shaft end of the first electric cylinder penetrates through the supporting plate and is connected with a transmission rod (16) through a coupler, the end part of the transmission rod is provided with an electromagnet, the electromagnet stretches into a rod body of the drill bit and is connected with an iron block in the rod body through the driving of the first electric cylinder, the transmission rod is also connected with a rotary driving mechanism, a first servo motor (6) is fixed on the supporting plate (5), and the output shaft end of the first servo motor is connected, the rotary disc rotates along with the output shaft end of the first servo motor.

2. The medical orthopedic slotted instrument according to claim 1, characterized in that: the three drill bits are sequentially a first drill bit (3-1), a second drill bit (3-2) and a third drill bit (3-3), the size of the drill bit part of the first drill bit is larger than that of the drill bit part of the third drill bit, and the size of the drill bit part of the third drill bit is larger than that of the drill bit part of the second drill bit.

3. The medical orthopedic slotted instrument according to claim 1, characterized in that: the outer shell body is formed by connecting an upper shell body (1-1) and a lower shell body (1-2) from top to bottom, a first annular mounting seat (9) is arranged on the inner wall of the upper shell body, a second annular mounting seat (10) is arranged on the inner wall of the lower shell body, the first annular mounting seat, the inner wall of the upper shell body, the inner wall of the lower shell body and the second annular mounting seat sequentially enclose a bearing mounting seat, and the rotary table is connected into the bearing mounting seat through a bearing.

4. The medical orthopedic slotted instrument according to claim 1, characterized in that: the shaft coupling comprises an outer cylinder, an inner cylinder, a cover plate (14), a first puller bolt (15) and a second puller bolt, wherein the outer cylinder is formed by connecting an upper semicircular cylinder (13) and a lower semicircular cylinder up and down, the inner cylinder is rotatably connected between the upper semicircular cylinder (13) and the lower semicircular cylinder, an output shaft end of a first electric cylinder extends into the outer cylinder from one end of the outer cylinder, a first threaded hole is formed in the top of the upper semicircular cylinder, the first puller bolt is connected in the first threaded hole, the first puller bolt penetrates through the first threaded hole to be connected with the output shaft end of the electric cylinder, the output shaft end of the electric cylinder is fixed in the outer cylinder through friction force, one end of a transmission rod extends into the inner cylinder from the other end of the outer cylinder, a threaded hole is formed in the outer wall of the inner cylinder, the second puller bolt penetrates through the counter bore threaded hole to be connected with the transmission rod, the transmission rod is fixed in the inner barrel through friction force, the second puller bolt is connected in the counter bore threaded hole in an embedded terrain mode, the cover plate is detachably mounted at the top of the upper semicircular barrel, and the counter bore threaded hole is located under the cover plate.

5. The medical orthopedic slotted instrument according to claim 1, characterized in that: the rotary driving mechanism comprises a second servo motor (19), a first gear (12) and a second gear (11), the second servo motor is connected to the supporting plate through a translation mechanism, the first gear is sleeved on the output shaft end of the second servo motor, the second gear is sleeved on the transmission rod, and the first gear and the second gear are in gear joint with each other.

6. The medical orthopedic slotted instrument according to claim 5, characterized in that: the translation mechanism comprises a sliding rail (17) arranged at the bottom of the supporting plate, a sliding block (18) and a second electric cylinder (20), the second electric cylinder is fixed on the inner wall of the upper shell and connected with the sliding block, and the second servo motor is connected to the sliding rail in a sliding mode through the sliding block.

Technical Field

The invention relates to the technical field of medical equipment, in particular to a medical orthopedic slotting device.

Background

In bone surgery, it is often necessary to open a slot, i.e. drill a hole, in a bone using a drill and then fix the bone using a steel wire. However, in the prior art, the bone slotting device can only open a circular hole on the bone, and the circular hole cannot effectively reduce the rotation and slippage between the osteotomy blocks due to the special shape of the circular hole. In addition, holes with various specifications need to be drilled in one operation sometimes, but the existing slotting device usually only can drill a hole with one size, and has great limitation, so that the design of a medical orthopedic slotting device for solving the problem is very important.

Disclosure of Invention

The three drill bits are arranged on the rotary table, and the drill bits with the adaptive sizes can be selected for drilling in the actual working process, so that the effect of improving the practical performance of the drill bits is achieved, and the medical orthopedic slotting device is provided.

In order to solve the technical problem, the invention provides a medical orthopaedic slotting device which is characterized in that: comprises an outer shell, a rotary table, a drill bit, a supporting plate and a connecting block, wherein the rotary table is rotationally connected in the outer shell, the three drill bits are sequentially connected on the rotary table, the supporting plate is fixedly arranged in the upper end of the outer shell, the connecting block is arranged at the top of the supporting plate, a first electric cylinder 7 is arranged on the supporting plate, the output shaft end of the first electric cylinder penetrates through the supporting plate and is connected with the transmission rod 16 through a coupler, the end part of the transmission rod is provided with an electromagnet, the electromagnet extends into the rod body of the drill bit through the driving of the first electric cylinder and is connected with an iron block in the rod body, the transmission rod is further connected with the rotary driving mechanism, a first servo motor is fixed on the supporting plate, the output shaft end of the first servo motor is connected to the center of the rotary table, and the rotary table rotates along with the output shaft end of the first servo motor.

Further: the three drill bits are sequentially a first drill bit, a second drill bit and a third drill bit, the size of the drill bit part of the first drill bit is larger than that of the drill bit part of the third drill bit, and the size of the drill bit part of the third drill bit is larger than that of the drill bit part of the second drill bit.

And further: the shell body constitute by last casing and lower casing upper and lower connection, the inner wall of last casing on be provided with first annular mount pad, the inner wall of lower casing on be provided with second annular mount pad, first annular mount pad, the inner wall of last casing, the inner wall of casing and second annular mount pad enclose into a bearing installation seat in proper order, the carousel pass through the bearing and connect in the bearing installation seat.

And further: the coupler comprises an outer barrel, an inner barrel, a cover plate, a first puller bolt and a second puller bolt, wherein the outer barrel is formed by connecting an upper semicircular barrel and a lower semicircular barrel, the inner barrel is rotatably connected between the upper semicircular barrel and the lower semicircular barrel, the shaft outlet end of a first electric cylinder extends into the outer barrel from one end of the outer barrel, the top of the upper semicircular barrel is provided with a first threaded hole, the first threaded hole is internally connected with the first puller bolt, the first puller bolt passes through the first threaded hole to be connected with the shaft outlet end of the electric cylinder, the shaft outlet end of the electric cylinder is fixed in the outer barrel through friction force, one end of a transmission rod extends into the inner barrel from the other end of the outer barrel, the outer wall of the inner barrel is provided with a counter bore threaded hole, and the second puller bolt passes through the threaded hole to be connected with the transmission rod, the transmission rod is fixed in the inner cylinder body through friction force, the second tightening bolt is connected in a counter bore threaded hole in an embedded terrain mode, the cover plate is detachably mounted at the top of the upper semicircular cylinder body, and the counter bore threaded hole is located under the cover plate.

And further: the rotary driving mechanism comprises a second servo motor, a first gear and a second gear, the second servo motor is connected to the supporting plate through a translation mechanism, the first gear is sleeved on the output shaft end of the second servo motor, the second gear is sleeved on the transmission rod, and the first gear and the second gear are in gear joint with each other.

And further: translation mechanism including setting up slide rail, slider and the electronic jar of second in backup pad bottom, the electronic jar of second fix on the inner wall of last casing and link to each other with the slider, second servo motor pass through slider sliding connection on the slide rail.

After the structure is adopted, the three drill bits are arranged on the rotary table, and the drill bits with the adaptive sizes can be selected for drilling in the actual working process, so that the effect of improving the practical performance of the rotary table is achieved; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an internal structural view of the present invention.

Fig. 3 is a top view of the coupling.

Fig. 4 is a structural view of the rotation driving mechanism.

Detailed Description

As shown in fig. 1 and fig. 2, the medical orthopedic slotting device comprises an outer shell, a rotary table 4, three drill bits, a support plate 5 and a connecting block 2, wherein the rotary table 4 is rotatably connected in the outer shell, the three drill bits are sequentially connected on the rotary table 4, the support plate is fixedly installed in the upper end of the outer shell, the connecting block is arranged at the top of the support plate, a first electric cylinder 7 is installed on the support plate, the output shaft end of the first electric cylinder penetrates through the support plate and is connected with a transmission rod 16 through a coupler, the end part of the transmission rod is provided with an electromagnet, the electromagnet is driven by the first electric cylinder to extend into a rod body of the drill bit and is connected with an iron block in the rod body, the transmission rod is further connected with a rotary driving mechanism, a first servo motor 6 is fixed on the support plate 5, and the output shaft end of the first servo motor is connected at the center of the rotary table, the rotary disc rotates along with the output shaft end of the first servo motor. According to the invention, the three drill bits are arranged on the turntable, so that the drill bits with the adaptive sizes can be selected for drilling in the actual working process, and the effect of increasing the practical performance is achieved; and the design also has the advantages of simple structure, easy manufacture, practicality and high efficiency.

The three drill bits shown in fig. 2 are a first drill bit 3-1, a second drill bit 3-2 and a third drill bit 3-3 in sequence, wherein the size of the drill bit part of the first drill bit is larger than that of the drill bit part of the third drill bit, and the size of the drill bit part of the third drill bit is larger than that of the drill bit part of the second drill bit.

The outer shell shown in fig. 2 is formed by connecting an upper shell 1-1 and a lower shell 1-2 up and down, a first annular mounting seat 9 is arranged on the inner wall of the upper shell, a second annular mounting seat 10 is arranged on the inner wall of the lower shell, the first annular mounting seat, the inner wall of the upper shell, the inner wall of the lower shell and the second annular mounting seat sequentially enclose a bearing mounting seat, and the turntable is connected in the bearing mounting seat through a bearing.

The coupler shown in fig. 3 comprises an outer cylinder, an inner cylinder, a cover plate 14, a first puller bolt 15 and a second puller bolt, wherein the outer cylinder is formed by connecting an upper semicircular cylinder 13 and a lower semicircular cylinder up and down, the inner cylinder is rotatably connected between the upper semicircular cylinder 13 and the lower semicircular cylinder, an output shaft end of a first electric cylinder extends into the outer cylinder from one end of the outer cylinder, a first threaded hole is formed in the top of the upper semicircular cylinder, the first puller bolt is connected in the first threaded hole, the first puller bolt passes through the first threaded hole and is connected with the output shaft end of the electric cylinder, the output shaft end of the electric cylinder is fixed in the outer cylinder through friction force, one end of a transmission rod extends into the inner cylinder from the other end of the outer cylinder, a counter bore threaded hole is formed in the outer wall of the inner cylinder, and the second puller bolt passes through the counter bore and is connected with the transmission rod, the transmission rod is fixed in the inner cylinder body through friction force, the second tightening bolt is connected in a counter bore threaded hole in an embedded terrain mode, the cover plate is detachably mounted at the top of the upper semicircular cylinder body, and the counter bore threaded hole is located under the cover plate.

The rotary driving mechanism shown in fig. 4 includes a second servo motor 19, a first gear 12 and a second gear 11, the second servo motor is connected to the support plate through a translation mechanism, the first gear is sleeved on an output shaft end of the second servo motor, the second gear is sleeved on the transmission rod, and the first gear and the second gear are in gear joint with each other.

The translation mechanism shown in fig. 4 comprises a slide rail 17 arranged at the bottom of the support plate, a slide block 18 and a second electric cylinder 20, wherein the second electric cylinder is fixed on the inner wall of the upper shell and connected with the slide block, and the second servo motor is connected on the slide rail in a sliding manner through the slide block.