阅读说明：本技术 一种用于掌骨钢板钻孔的瞄准器 (Sighting device for drilling metacarpal steel plate ) 是由 刘玉凤 林夏莲 郑世伟 于 2019-09-23 设计创作，主要内容包括：本发明公开了一种用于掌骨钢板钻孔的瞄准器,包括工作台、瞄准器本体和辅助设备；所述瞄准器本体安装在所述工作台上；所述辅助设备用于对瞄准角度进行校准；所述瞄准器本体包括安装底座、安装板、导向构件和钻头定位头；所述钻头定位头通过连接杆安装在第二壳体上；所述辅助设备设置在安装板上；本发明整体结构设计合理,能够利用导向构件实现对钻头定位头的控制,极大的为医护人员提供了便利；另外,辅助设备能够在钻孔前以及钻孔过程中对整个操作进行堵住定位,能够有效地避免钻孔位置寻找不准确、钻孔位置发生偏差的问题；更适用于骨型较小的掌骨钢板钻孔定位中。(The invention discloses a sighting device for drilling a metacarpal steel plate, which comprises a workbench, a sighting device body and auxiliary equipment, wherein the workbench is provided with a drilling hole; the sighting device body is arranged on the workbench; the auxiliary equipment is used for calibrating the aiming angle; the sighting device body comprises an installation base, an installation plate, a guide member and a drill positioning head; the drill positioning head is arranged on the second shell through a connecting rod; the auxiliary equipment is arranged on the mounting plate; the drill bit positioning device is reasonable in overall structural design, the control of the drill bit positioning head can be realized by utilizing the guide member, and great convenience is provided for medical staff; in addition, the auxiliary equipment can block and position the whole operation before and during drilling, so that the problems of inaccurate searching of the drilling position and deviation of the drilling position can be effectively avoided; is more suitable for drilling and positioning the metacarpal bone steel plate with smaller bone type.)

1. A sighting device for drilling a metacarpal steel plate comprises a workbench (1), a sighting device body (2) and auxiliary equipment (3); the sighting device body (2) is arranged on the workbench (1); the auxiliary device (3) is used for calibrating the aiming angle; the device is characterized in that a guide rail sliding groove (10) is arranged on the workbench (1);

the sighting device body (2) comprises a mounting base (21), a mounting plate (22), a guide member (23) and a drill positioning head (24); the bottom of the mounting base (21) is provided with a sliding block (210), and the mounting base (21) is mounted on the guide rail sliding groove (10) through the sliding block (210) and can horizontally move on the guide rail sliding groove (10); the mounting plate (22) is arranged at the end point of the upper surface of the mounting base (21) through a support rod;

the guide member (23) comprises a rotating assembly (231), an X-axis moving assembly (232) and a Y-axis moving assembly (233); the rotating assembly (231) comprises a rotating fluted disc, a rotating gear and a first rotating motor; the X-axis movement assembly (232) includes a rack mounting plate (2321) and a first slider member (2322); the Y-axis movement assembly (233) comprises a slide bar (2331) and a second slider member (2332);

the rotating fluted disc is arranged at the lower end of the rack mounting plate (2321), the rotating gear is arranged at the upper end of the base (21), the rotating fluted disc is meshed with the rotating gear, and the first rotating motor provides power for the rotating gear;

a first rack is arranged on the rack mounting plate (2321); the first slider member (2322) includes a first housing, a first gear, and a second rotary motor; the first gear is arranged in the first shell, the second rotating motor is arranged on the side wall of the first shell, and the first gear is coaxially connected with the second rotating motor; the first gear is meshed with the first rack;

the sliding rod (2331) is arranged on the side wall of the first shell through a connecting rod, and the sliding rod (2331) is perpendicular to the first rack; a slide bar sliding groove (23310) is formed in the slide bar (2331), and a second rack is arranged on the side wall of the slide bar sliding groove (23310); the second slider member (2332) includes a second housing, a second gear, and an adjustment knob; the second gear is arranged in the second shell, the adjusting knob is positioned at the upper end of the upper side wall of the second shell, and the second gear is coaxially connected with the adjusting knob; the second gear is meshed with the second rack;

the drill positioning head (24) is arranged on the second shell through a connecting rod; the auxiliary device (3) is arranged on the mounting plate (22).

2. The aiming device for drilling the metacarpal steel plate is characterized in that the workbench (1) comprises a mounting seat (11) provided with universal wheels, a telescopic supporting rod (12) vertically arranged on the mounting seat (11), and a mounting platform (13) arranged on the telescopic supporting rod (12); the number of the guide rail sliding grooves (10) is two, and the two guide rail sliding grooves (10) are arranged on the mounting table (13) in parallel.

3. The aiming device for drilling the metacarpal steel plate as claimed in claim 1, wherein the drill positioning head (24) is mounted on the second housing through an L-shaped connecting rod, and the L-shaped connecting rod is perpendicular to the sliding rod (2331).

4. The aimer for drilling of metacarpal steel plates, according to claim 1, wherein the drill positioning head (24) comprises a seating block (241) and a positioning block (242), the positioning block (242) is ratchet-connected with the seating block (241); a drill bit hole (2420) is formed in the positioning block (242); the mounting block (241) is mounted on the second housing through a connecting rod.

5. The aiming device for drilling the metacarpal steel plate as claimed in any one of claims 1, 3 and 4, wherein the drill positioning head (24) is connected with the L-shaped connecting rod through an adjustable rotary joint.

6. The aiming device for drilling the steel metacarpal plate as claimed in claim 1, wherein the auxiliary equipment (3) adopts a small X-ray machine.

7. The sight for the drilling of metacarpal steel plates according to claim 6, characterized in that the auxiliary device (3) is arranged on the mounting plate (22) by a mechanical arm.

8. The aiming device for drilling the steel metacarpal plate as claimed in claim 2, wherein the telescopic supporting rod (12) is perpendicular to the mounting seat (11).

Technical Field

The invention relates to the technical field of orthopedic auxiliary medical instruments, in particular to a sighting device for drilling a metacarpal steel plate.

Background

When a patient with serious fracture is treated, the fracture part of the patient needs to be reduced by an operation; after fracture reduction, because of instability, the fracture is easy to be relocated, so that the fracture needs to be fixed at a satisfactory position by adopting different methods to ensure that the fracture is gradually healed. The operation reduction is fixed by steel plates, steel needles, intramedullary needles, screws and the like for operation incision.

An orthopedic electric drill is needed when the surgical reduction is carried out; the conventional orthopedic electric drill has the use method that: and (4) holding the orthopedic electric drill for drilling. However, medical staff do not adopt any auxiliary equipment in actual operation, and the fracture position of the X-ray film and the position of the drilled hole are judged only by the fracture position of the X-ray film and experience.

However, since the bone shape is small relative to the human metacarpal portion, it is difficult to grasp the actual drilling position in the actual drilling, and the distance to the fracture portion cannot be determined in detail in the actual drilling, which causes a further pain to the patient.

Disclosure of Invention

In view of the problems, the invention provides a sighting device for drilling a metacarpal steel plate, which can judge the distance from a fracture part in detail.

The technical scheme of the invention is as follows: a sighting device for drilling a metacarpal steel plate comprises a workbench, a sighting device body and auxiliary equipment; the sighting device body is arranged on the workbench; the auxiliary equipment is used for calibrating the aiming angle; a guide rail sliding groove is formed in the workbench;

the sighting device body comprises an installation base, an installation plate, a guide member and a drill positioning head; the bottom of the mounting base is provided with a sliding block, and the mounting base is mounted on the guide rail sliding groove through the sliding block and can horizontally move on the guide rail sliding groove; the mounting plate is arranged at the end point of the upper surface of the mounting base through a support rod;

the guide component comprises a rotating assembly, an X-axis moving assembly and a Y-axis moving assembly; the rotating assembly comprises a rotating fluted disc, a rotating gear and a first rotating motor; the X-axis moving assembly comprises a rack mounting plate and a first slider member; the Y-axis moving assembly comprises a slide bar and a second slider member;

the rotary fluted disc is arranged at the lower end of the rack mounting plate, the rotary gear is arranged at the upper end of the base, the rotary fluted disc is meshed with the rotary gear, and the first rotary motor provides power for the rotary gear;

a first rack is arranged on the rack mounting plate; the first slider member includes a first housing, a first gear, and a second rotating motor; the first gear is arranged in the first shell, the second rotating motor is arranged on the side wall of the first shell, and the first gear is coaxially connected with the second rotating motor; the first gear is meshed with the first rack;

the sliding rod is arranged on the side wall of the first shell through a connecting rod and is perpendicular to the first rack; a sliding rod sliding groove is formed in the sliding rod, and a second rack is arranged on the side wall of the sliding rod sliding groove; the second slider member comprises a second housing, a second gear and an adjustment knob; the second gear is arranged in the second shell, the adjusting knob is positioned at the upper end of the upper side wall of the second shell, and the second gear is coaxially connected with the adjusting knob; the second gear is meshed with the second rack;

the drill positioning head is arranged on the second shell through a connecting rod; the auxiliary equipment is arranged on the mounting plate.

Furthermore, the workbench comprises a mounting seat provided with universal wheels, a telescopic supporting rod vertically arranged on the mounting seat and a mounting platform arranged on the telescopic supporting rod; the two guide rail sliding grooves are arranged on the mounting table in parallel; the installation seat provided with the universal wheels is more convenient for the movement of the device, and is more convenient and faster in use; the telescopic supporting rod can meet the requirement of an operating table with a wider height range.

Furthermore, the drill positioning head is mounted on the second shell through an L-shaped connecting rod, and the L-shaped connecting rod is perpendicular to the sliding rod; the inconvenience caused by the fact that the drill positioning head and the Y-axis moving assembly are crossed when the drill positioning head and the Y-axis moving assembly are used can be effectively avoided.

Further, the drill positioning head comprises a mounting block and a positioning block, and the positioning block is connected with the mounting block in a ratchet manner; a drill bit hole is arranged on the positioning block; the mounting block is mounted on the second shell through a connecting rod; the ratchet connection mode can be adjusted the drilling angle, and is more practical when the actual operation is operated.

Furthermore, the drill positioning head is connected with the L-shaped connecting rod through an adjustable rotary joint; the angle adjustment of three-dimensional position can be realized, and the use is more convenient and fast in the actual operation, and is not limited.

Furthermore, the auxiliary equipment adopts a small X-ray machine; specifically, an interventional therapy X-ray machine with a brand of a middle connector and a model of RX2 is adopted.

Further, the auxiliary equipment is arranged on the mounting plate through a mechanical arm; can realize the removal of all-round, multi-angle, accomplish the assistance-localization real-time operation.

Furthermore, the arrangement block is provided with a clamping block, the clamping block can clamp the auxiliary equipment, the auxiliary equipment can be fixed after being aligned with the drill bit hole, and in the actual drilling operation, the auxiliary equipment is aligned with the drill bit hole, clamped and fixed, and the deviation caused in the actual drilling operation process can be timely found to be corrected.

Compared with the prior art, the invention has the beneficial effects that: the drill bit positioning device is reasonable in overall structural design, the control of the drill bit positioning head can be realized by utilizing the guide member, and great convenience is provided for medical staff; in addition, the auxiliary equipment can block and position the whole operation before and during drilling, so that the problems of inaccurate searching of the drilling position and deviation of the drilling position can be effectively avoided; is more suitable for drilling and positioning the metacarpal bone steel plate with smaller bone type.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the construction of the drill bit positioning head of the present invention;

the automatic sighting device comprises a workbench 1, a guide rail sliding groove 10, an installation seat 11, a telescopic supporting rod 12, a telescopic supporting rod 13, an installation table 2, a sighting device body 21, an installation base 21, a sliding block 210, a mounting plate 22, a guide member 23, a rotating assembly 231, an axis 232-X moving assembly 2321, a rack mounting plate 2322, a first sliding block member 2322, an axis 233-Y moving assembly 2331, a sliding rod sliding groove 23310, a second sliding block member 2332, a drill bit positioning head 24, a mounting block 241, a clamping block 2410, a positioning block 242, a drill bit hole 2420 and auxiliary equipment 3.

Detailed Description