CN213489111U

CN213489111U - Special hollow drill for orthopedics department

Info

Publication number: CN213489111U
Application number: CN202021622913.4U
Authority: CN
Inventors: 冉淑华
Original assignee: TIANJIN HEALMEDS TECHNOLOGY CO LTD
Current assignee: TIANJIN HEALMEDS TECHNOLOGY CO LTD
Priority date: 2020-08-06
Filing date: 2020-08-06
Publication date: 2021-06-22
Anticipated expiration: 2030-08-06

Abstract

The utility model discloses a special core drill of orthopedics, including the drill body, the bottom fixedly connected with handle of the drill body, the one end of the drill body is provided with the one end of core bit seat, and the other end of core bit seat is provided with core bit, the top fixed mounting of the drill body has the support, and the support has two, is provided with the slide between two supports, runs through threaded hole and screw thread on the slide and installs the screw rod, and the support passes through the bearing and rotates and install the connecting axle, and the connecting axle runs through the support, and the both ends fixed connection of screw rod is in the one end of connecting axle, the top fixed mounting of the drill body has servo motor, and servo motor's transmission shaft free end passes through connecting piece fixed connection at the other end of connecting axle, and the top of. This special core drill of orthopedics can realize when patient's skeleton department drilling, and the normal saline that sprays in real time is cooled down moist to patient's drilling position.

Description

Special hollow drill for orthopedics department

Technical Field

The utility model discloses the orthopedics field specifically is special core drill of orthopedics.

Background

A power tool for use in surgery to drill a hole in a bone. Is suitable for providing mechanical power to carry out bone tissue operation. The electric bone drill bit is divided into a bone drill bit, a pendulum saw bit and a hollow drill bit, wherein the hollow drill bit converts the high rotating speed of a motor into the rotating speed suitable for drilling a bone hole through a planetary gear reducer, a stainless steel drill chuck is arranged at an output part and can clamp a drill bit of 0.8-8mm, and the output shaft is a hollow shaft and can pass through a Kirschner needle below 4.5.

When current special core drill of orthopedics was implemented drilling in patient's skeleton department, the drilling position need spray normal saline and carry out the cooling of hollow drill bit, and the spraying of normal saline often all is artifical manual going on, can't implement automatically according to the drilling progress and spray normal saline, and when hollow drill bit drilled on the skeleton, human skeleton and muscle skin tissue can be gathered to hollow drill bit inside, and the later stage is difficult to the clearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special core drill of orthopedics to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the special hollow drill for orthopedics comprises a drill body, wherein a handle is fixedly connected to the bottom of the drill body, one end of the drill body is provided with one end of a hollow drill bit seat, the other end of the hollow drill bit seat is provided with a hollow drill bit, two supports are fixedly installed at the top of the drill body, a sliding seat is arranged between the two supports, a threaded hole is formed in the sliding seat in a penetrating mode, a screw rod is installed on the sliding seat in a threaded mode, a connecting shaft is rotatably installed on the supports through bearings, the connecting shaft penetrates through the supports, the two ends of the screw rod are fixedly connected to one end of the connecting shaft, a servo motor is fixedly installed at the top of the drill body, the free end of a transmission shaft of the servo motor is fixedly connected to the other end of the connecting shaft through a connecting piece, a spray head is arranged at the top, the liquid storage tank is fixedly installed at the bottom of the drill body, the micropump is fixedly installed at the top of the drill body, the wire arranging rod is fixedly installed between the two supports, the liquid guide pipe is wound on the wire arranging rod, one end of the liquid guide pipe is communicated with the liquid inlet end of the spray head, the other end of the liquid guide pipe is communicated with the liquid outlet end of the micropump, and the distance sensor is fixedly installed on the spray head.

Preferably, the control input end of the single chip microcomputer is fixedly connected with the distance sensor, and the control output end of the single chip microcomputer is electrically connected with the micropump and the servo motor respectively.

Preferably, the handle is provided with a drill switch.

Preferably, the connecting end of the hollow drill bit is fixedly provided with a mounting seat, the two sides of the mounting seat are fixedly provided with guide blocks, the guide blocks are symmetrically arranged, a mounting groove is formed in the hollow drill bit seat, a guide groove is formed in the mounting groove, the mounting groove is matched with the mounting seat, and the guide groove is matched with the guide blocks.

Preferably, a mounting through hole penetrates through the mounting seat, the mounting through hole is communicated with the inside of the hollow drill bit, a convex block is arranged on the inner wall of the mounting through hole, and the convex block and the guide block are located on the same horizontal line.

Preferably, the guide block and the mounting seat are provided with a limiting hole in a penetrating manner, and the limiting hole is not communicated with the mounting through hole.

Preferably, the slide base is provided with a through hole in a penetrating manner and is provided with a limiting shaft in a sliding manner, and the limiting shaft is fixedly arranged on the two brackets.

Preferably, the liquid storage tank contains physiological saline.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) when the special hollow drill for orthopedics is used, the distance position of the spray head from a bone drill hole of a patient is monitored in real time through the distance sensor, monitoring data are transmitted to the single chip microcomputer, the single chip microcomputer detects and analyzes the data, the micro pump is controlled to be started, the servo motor is controlled to be started to drive the spray head to move left and right, the hollow drill bit stretches into the bone of the patient from the bone drill hole of the patient, when the drilling position of the hollow drill and the patient is continuously changed, the spray head is controlled to be always kept close to the drilling position of the patient, and physiological saline is sprayed on the bone drill hole of the patient, so that when the bone drill hole of the patient is drilled, the physiological saline is automatically sprayed in real time to cool and moisten the drilling position of the patient, the physiological saline does not need to be manually sprayed, the temperature of the friction position between the drill bit, the hollow drill bit is not heated uniformly and is broken, and meanwhile, the bone can be prevented from being injured due to overhigh friction temperature of the drill hole by cooling the hollow drill bit.

(2) This special core drill of orthopedics sets up the through-hole with the inside intercommunication of core drill on core drill's mount pad when using, and convenient drilling finishes, and the through-hole of direct on the mount pad inserts the shower and washes the core drill to the convenient washing to the inside hollow position of core drill.

Drawings

Fig. 1 is a schematic structural diagram of a hollow drill special for orthopedics.

Fig. 2 is a top view of a screw rod in the orthopedic hollow drill.

Fig. 3 is a schematic view of a hollow drill bit in the hollow drill special for orthopaedics.

Fig. 4 is a side view of a core bit seat of the orthopaedic special core drill.

Fig. 5 is a sectional view of a mounting seat in the hollow drill special for orthopedics department.

In the figure: 1. a micro-pump; 2. a liquid storage tank; 3. a handle; 4. a single chip microcomputer; 5. a servo motor; 6. a support; 7. a slide base; 8. a wire arranging rod; 9. a catheter; 1

0. A connecting plate; 11. a shower head; 12. a sleeve; 13. a distance sensor; 14. drilling a switch; 15. A screw; 16. a drill body; 17. a hollow bit seat; 18. a hollow drill bit; 19. a mounting seat; 20. a guide block; 21. mounting a through hole; 22. a limiting hole; 23. mounting grooves; 24. a guide groove; 25. a connecting shaft; 26. and a limiting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in the embodiment of the present invention, the present invention provides a hollow drill for orthopedics department: the drill bit comprises a drill body 16, a handle 3 is fixedly connected to the bottom of the drill body 16, one end of the drill body 16 is provided with one end of a hollow drill bit seat 17, the other end of the hollow drill bit seat 17 is provided with a hollow drill bit 18, a support 6 is fixedly installed at the top of the drill body 16, two supports 6 are provided, a sliding seat 7 is arranged between the two supports 6, a threaded hole is formed in the sliding seat 7 in a penetrating mode, a screw rod 15 is installed on the sliding seat 7 in a threaded mode, a connecting shaft 25 is installed on the support 6 in a rotating mode through a bearing, the connecting shaft 25 penetrates through the supports 6, two ends of the screw rod 15 are fixedly connected to one end of the connecting shaft 25, a servo motor 5 is fixedly installed at the top of the drill body 16, the free end of a transmission shaft of the servo motor 5 is fixedly connected to the other end of the connecting shaft 25 through a, the other end of connecting plate 10 fixed mounting is at the top of sleeve pipe 12, the bottom fixed mounting of drilling body 16 holds liquid case 2, and the top fixed mounting of drilling body 16 has micropump 1, and fixed mounting has reason line pole 8 between two supports 6, and the winding is installed catheter 9 on the reason line pole 8, and the one end of catheter 9 and the inlet end of shower head 11 communicate, and the other end of catheter 9 and the play liquid end of micropump 1 communicate, and fixed mounting has distance sensor 13 on the shower head 11.

In this embodiment, preferably, the control input end of the single chip microcomputer 4 is fixedly connected with the distance sensor 13, and the control output end of the single chip microcomputer 4 is electrically connected with the micropump 1 and the servo motor 5 respectively.

In this embodiment, it is preferable that the handle 3 is provided with a drill switch 14.

In this embodiment, preferably, the connecting end of the hollow drill bit 18 is fixedly provided with an installation seat 19, two sides of the installation seat 19 are fixedly provided with guide blocks 20, the guide blocks 20 are symmetrically arranged, an installation groove 23 is formed in the hollow drill bit seat 17, a guide groove 24 is formed in the installation groove 23, the installation groove 23 is matched with the installation seat 19, and the guide groove 24 is matched with the guide block 20.

In this embodiment, preferably, an installation through hole 21 is formed through the installation seat 19, the installation through hole 21 is communicated with the inside of the hollow drill 18, a protrusion is arranged on an inner wall of the installation through hole 21, and the protrusion and the guide block 20 are located on the same horizontal line.

In this embodiment, preferably, the guide block 20 and the mounting seat 19 are provided with a limiting hole 22 in a penetrating manner, and the limiting hole 22 is not communicated with the mounting through hole 21.

In this embodiment, preferably, the sliding base 7 is provided with a through hole in a penetrating manner and is slidably mounted with a limiting shaft 26, and the limiting shaft 26 is fixedly mounted on the two brackets 6.

In the present embodiment, the liquid storage tank 2 preferably contains physiological saline.

The utility model discloses a theory of operation and use flow: when the special hollow drill for orthopedics is used, an orthopedics doctor holds the handle 3 by hand, the special hollow drill for orthopedics is started to drill a bone of a patient through the drill switch 14, the distance position of the spray head 11 from the bone drill of the patient is monitored in real time through the distance sensor 13 during drilling, monitoring data are transmitted to the single chip microcomputer 4, the single chip microcomputer 4 detects and analyzes the data and controls the micro pump 1 to be started, the servo motor 5 is controlled to be started to drive the spray head 11 to move left and right, when the hollow drill 18 extends into the bone of the patient towards the bone drill of the patient, the hollow drill and the patient continuously change the drill positions, the spray head 11 is controlled to always keep close to the drill hole of the patient, and physiological saline is sprayed to the bone drill hole of the patient, so that the physiological saline is automatically sprayed to cool and moisten the drill hole of the patient in real, need not artifical manual normal saline that sprays, drill bit and skeleton friction department high temperature when avoiding drilling, the drill bit is low excessively in the partial temperature in outside, lead to hollow bit 18 to be heated inhomogeneous and the condition of breaking off, it is also can avoid the skeleton to be injured because of the drilling friction temperature is too high to cool down hollow bit 18 simultaneously, set up the through-hole with the inside intercommunication of hollow bit 18 on the mount pad 19 of hollow bit 18, convenient drilling finishes, the direct through-hole on mount pad 19 inserts the shower and washes hollow bit, thereby the convenient washing to the inside hollow position of hollow bit 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Special core drill of orthopedics, including drill body (16), its characterized in that: the bottom of the drill body (16) is fixedly connected with a handle (3), one end of the drill body (16) is provided with one end of a hollow drill bit seat (17), the other end of the hollow drill bit seat (17) is provided with a hollow drill bit (18), the top of the drill body (16) is fixedly provided with two supports (6), a sliding seat (7) is arranged between the two supports (6), a threaded hole is formed in the sliding seat (7) in a penetrating manner, a screw rod (15) is installed in a threaded manner, the support (6) is rotatably provided with a connecting shaft (25) through a bearing, the connecting shaft (25) penetrates through the support (6), two ends of the screw rod (15) are fixedly connected to one end of the connecting shaft (25), the top of the drill body (16) is fixedly provided with a servo motor (5), and the free end of a transmission shaft of the servo motor (5), the top of boring body (16) is provided with shower head (11), and the cover is established and fixed mounting has sleeve pipe (12) on shower head (11), and the top of slide (7) runs through and fixed mounting has the one end of connecting plate (10), and the other end fixed mounting of connecting plate (10) is at the top of sleeve pipe (12), the bottom fixed mounting of boring body (16) holds liquid case (2), and the top fixed mounting of boring body (16) has micropump (1), and fixed mounting has reason line pole (8) between two supports (6), twines on reason line pole (8) and installs catheter (9), and the one end of catheter (9) and the inlet end intercommunication of shower head (11), the other end of catheter (9) and the play liquid end intercommunication of micropump (1), fixed mounting has distance sensor (13) on shower head (11).

2. The hollow drill special for orthopedics department of claim 1, characterized in that: the bottom of handle (3) is provided with singlechip (4), the control input and distance sensor (13) fixed connection of singlechip (4), the control output of singlechip (4) is connected with micropump (1), servo motor (5) electricity respectively.

3. The hollow drill special for orthopedics department of claim 1, characterized in that: the handle (3) is provided with a drill switch (14).

4. The hollow drill special for orthopedics department of claim 1, characterized in that: the connecting end fixed mounting of hollow drill bit (18) has mount pad (19), and the both sides fixed mounting of mount pad (19) has guide block (20), and guide block (20) symmetry sets up, has seted up mounting groove (23) in hollow drill bit seat (17), has seted up guide way (24) in mounting groove (23), and mounting groove (23) and mount pad (19) phase-match, guide way (24) and guide block (20) phase-match.

5. The special hollow drill for orthopedics department according to claim 4, characterized in that: the mounting base (19) is internally provided with a mounting through hole (21) in a penetrating manner, the mounting through hole (21) is communicated with the inside of the hollow drill bit (18), the inner wall of the mounting through hole (21) is provided with a convex block, and the convex block and the guide block (20) are positioned on the same horizontal line.

6. The special hollow drill for orthopedics department according to claim 4, characterized in that: the guide block (20) and the mounting seat (19) are provided with a limiting hole (22) in a penetrating mode, and the limiting hole (22) is not communicated with the mounting through hole (21).

7. The hollow drill special for orthopedics department of claim 1, characterized in that: the sliding seat (7) is provided with a through hole in a penetrating mode and is provided with a limiting shaft (26) in a sliding mode, and the limiting shaft (26) is fixedly installed on the two supports (6).

8. The hollow drill special for orthopedics department of claim 1, characterized in that: the liquid storage tank (2) is filled with physiological saline.