Medical electric drill

Abstract

The utility model provides a medical electric drill. The medical electric drill comprises a shell, a clamping part and a drill bit. One end of the shell is connected with one end of the clamping part, and the other end of the clamping part is arranged at one end of the drill bit in a sleeving mode. The clamping part is provided with a fixing hole for embedding a fixed key; a motor, a coupler and a speed reducer are arranged in the shell, the clamping part is connected with the coupler, the coupler is connected with the speed reducer, and the speed reducer is connected with the motor; an extension piece is arranged at the top of the shell, and an external connection piece is arranged at one end of the extension piece. The drill bit can adapt to various scenes, falling is effectively avoided, waiting time is saved, and buffering during rotation of the drill bit is achieved through the speed reducer.

Description

Technical Field

[0001] The present application relates to the technical field of electric drills, and in particular to a medical electric drill. Background Art

[0002] Medical electric drills are mainly used to process harder tissues such as human bones. The vibrations they produce are relatively small, and the requirements for speed and torque are relatively low. They focus more on the ease of use during surgery, especially in orthopedic surgery, where electric drills are used for drilling medical treatments.

[0003] At present, the existing technology has the problem that the electric drill is not clamped stably, and the fall of the electric drill will cause the surgical patient to wait for disinfection, which consumes a lot of time; and the strength of the existing electric drill cannot be adjusted. Utility Model Content

[0004] In view of the above problems, the present application is proposed to provide a medical electric drill that overcomes the above problems or at least partially solves the above problems, comprising:

[0005] A medical electric drill comprises a housing, a clamping part and a drill bit;

[0006] One end of the housing is connected to one end of the clamping portion, and the other end of the clamping portion is sleeved on one end of the drill bit;

[0007] The clamping portion is provided with a fixing hole for fixing the key to be embedded;

[0008] The housing is provided with a motor, a coupling and a reducer, respectively; the clamping portion is connected to the coupling, the coupling is connected to the reducer, and the reducer is connected to the motor;

[0009] An extension piece is arranged on the top of the shell, and an external connection piece is arranged on one end of the extension piece.

[0010] Furthermore, it also includes a protrusion, which is arranged between the shell and the extension piece, the shell is connected to the protrusion, and the protrusion is connected to the extension piece.

[0011] Furthermore, the shell is provided with a first screw hole and a second screw hole, and the protrusion is provided with a third screw hole corresponding to the first screw hole and a fourth screw hole corresponding to the second screw hole, the first screw hole and the third screw hole are connected by a first bolt, and the second screw hole and the fourth screw hole are connected by a second bolt.

[0012] Furthermore, the protruding member is provided with a fifth screw hole, the extending member is provided with a through hole at a position corresponding to the fifth screw hole, and the fifth screw hole and the through hole are connected by a third bolt.

[0013] Furthermore, it comprises a hand drill key wrench, and the hand drill key wrench is arranged at the other end of the extension piece.

[0014] Furthermore, a handle is included, and the handle is provided at the bottom of the shell.

[0015] Furthermore, the handle is provided with a switch button, and the switch button is electrically connected to the motor.

[0016] Furthermore, it also includes an adjustment button, which is arranged on the protruding member and is electrically connected to the motor.

[0017] Furthermore, it also includes a penetrating piece, which penetrates the extending piece and is connected to the protruding piece.

[0018] Furthermore, the motor is a brushless DC motor.

[0019] This application has the following advantages:

[0020] In the embodiments of the present application, relative to the prior art that "the prior art has the problem that the electric drill is unstable, and the falling of the electric drill will cause the surgical patient to wait for disinfection, which consumes a lot of time; and the strength of the existing electric drill cannot be adjusted", the present application provides a solution of "a medical electric drill", specifically: "a medical electric drill, comprising a shell, a clamping part and a drill bit; one end of the shell is connected to one end of the clamping part, and the other end of the clamping part is sleeved on one end of the drill bit; the clamping part is provided with a fixing hole for fixing the key to be embedded; a motor, a coupling and a reducer are respectively provided in the shell, the clamping part is connected to the coupling, the coupling is connected to the reducer, and the reducer is connected to the motor; an extension piece is provided on the top of the shell, and an external connection piece is provided at one end of the extension piece". The "shell, clamping part and drill bit" solve the problem of "the unstable clamping of the electric drill in the prior art, and the falling of the electric drill will cause the surgical patient to wait for disinfection, which consumes a lot of time; and the strength of the existing electric drill cannot be adjusted", and achieves the effect of "being able to adapt to a variety of scenarios, effectively avoiding falling, saving waiting time, and realizing buffering when the drill bit rotates through the reducer". BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the present application, the drawings required for use in the description of the present application will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0022] Figure 1It is a structural schematic diagram of a medical electric drill provided in one embodiment of the present application;

[0023] Figure 2 It is a cross-sectional view of a medical electric drill provided in one embodiment of the present application.

[0024] In the attached figure: 1. Shell; 2. Clamping part; 3. Drill bit; 4. Fixing hole; 5. Motor; 6. Coupling; 7. Reducer; 8. Extension piece; 9. External part; 10. Protruding piece; 11. Hand drill key wrench; 12. Handle; 13. Switch button; 14. Adjustment button; 15. Fixing key; 16. Through-piece. DETAILED DESCRIPTION

[0025] In order to make the objects, features and advantages of the present application more obvious and understandable, the present application is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0026] Reference Figure 1-2 , showing a structural schematic diagram and a cross-sectional view of a medical electric drill provided in one embodiment of the present application;

[0027] A medical electric drill, comprising a housing 1, a clamping portion 2 and a drill bit 3;

[0028] One end of the housing 1 is connected to one end of the clamping part 2, and the other end of the clamping part 2 is sleeved on one end of the drill bit 3;

[0029] The clamping portion 2 is provided with a fixing hole 4 for fixing the key 15 to be embedded;

[0030] The housing 1 is provided with a motor 5, a coupling 6 and a reducer 7, respectively. The clamping portion 2 is connected to the coupling 6, the coupling 6 is connected to the reducer 7, and the reducer 7 is connected to the motor 5.

[0031] An extension piece 8 is disposed on the top of the housing 1 , and an external connection piece 9 is disposed at one end of the extension piece 8 .

[0032] In the embodiments of the present application, relative to the prior art that "the prior art has the problem that the electric drill is unstable, and the falling of the electric drill will cause the surgical patient to wait for disinfection, which consumes a lot of time; and the strength of the existing electric drill cannot be adjusted", the present application provides a solution of "a medical electric drill", specifically: "a medical electric drill, comprising a shell 1, a clamping part 2 and a drill bit 3; one end of the shell 1 is connected to one end of the clamping part 2, and the other end of the clamping part 2 is sleeved on one end of the drill bit 3; the clamping part 2 is provided with a fixing hole 4 for fixing the key 15 to be embedded; a motor 5, a coupling 6 and a reducer 7 are respectively provided in the shell 1, the clamping part 2 is connected to the coupling 6, the coupling 6 is connected to the reducer 7, and the reducer 7 is connected to the motor 5; an extension piece 8 is provided on the top of the shell 1, and an external connection piece 9 is provided at one end of the extension piece 8". The "shell 1, clamping part 2 and drill bit 3" solve the problem of "unstable clamping of the electric drill in the prior art, and the falling of the electric drill will cause the surgical patient to wait for disinfection, which consumes a lot of time; and the strength of the existing electric drill cannot be adjusted", and achieves the effect of "being able to adapt to a variety of scenarios, effectively avoiding falling, saving waiting time, and achieving buffering when the drill bit 3 rotates through the reducer 7".

[0033] Next, a medical electric drill in this exemplary embodiment will be further described.

[0034] In an embodiment of the present invention, the drill bit 3 can be replaced with different sizes or types according to user needs.

[0035] In an embodiment of the present invention, by providing a fixing hole 4 on the clamping portion 2 , the drill bit 3 can be fixed by inserting the fixing key 15 into the fixing hole 4 , thereby stabilizing the drill bit 3 .

[0036] In one embodiment of the utility model, the speed reducer 7 can be used to buffer the force when the drill bit 3 rotates; the speed reducer plays a role in matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuator, and can reduce the rotation speed and increase the torque.

[0037] In one embodiment of the utility model, the coupling 6 refers to a device that connects two shafts or a shaft and a rotating part, rotates together during the transmission of motion and power, and does not disengage under normal circumstances; it is sometimes also used as a safety device to prevent the connected parts from being subjected to excessive loads, thereby playing a role in overload protection; in this application, it plays the role of connecting the reducer 7 and the connecting clamping part 2.

[0038] In an embodiment of the present invention, the external component 9 is used for external surgical control equipment, such as a robotic arm, etc., and the effect is better when used in conjunction with the robotic arm.

[0039] In one embodiment of the utility model, it also includes a protrusion 10, which is arranged between the shell 1 and the extension member 8, the shell 1 is connected to the protrusion 10, and the protrusion 10 is connected to the extension member 8; in a specific embodiment, the protrusion 10 is arranged on the top of the shell 1, and the top of the protrusion 10 is connected to the bottom of the extension member 8.

[0040] In one embodiment of the utility model, the shell 1 is provided with a first screw hole and a second screw hole, the protruding member 10 is provided with a third screw hole corresponding to the first screw hole and a fourth screw hole corresponding to the second screw hole, the first screw hole and the third screw hole are connected by a first bolt, and the second screw hole and the fourth screw hole are connected by a second bolt; in a specific embodiment, the shell 1 and the protruding member 10 are fixed by bolts and screw holes.

[0041] In one embodiment of the utility model, the protruding member 10 is provided with a fifth screw hole, and the extending member 8 is provided with a through hole corresponding to the fifth screw hole, and the fifth screw hole and the through hole are connected by a third bolt; in a specific embodiment, the through hole is provided through the extending member 8, and the third bolt is connected to the fifth screw hole of the protruding member 10 through the through hole, thereby achieving fixation.

[0042] In one embodiment of the utility model, it includes a hand drill key wrench 11, which is arranged at the other end of the extension piece 8; in a specific embodiment, the hand drill key wrench 11 is one of the accessories of the hand drill, used for installing and replacing the drill bit 3; it is usually composed of two chucks and an adjusting spiral scale line, and the distance between the two chucks can be adjusted according to the diameter of the drill bit 3.

[0043] In one embodiment of the utility model, a handle 12 is further included. The handle 12 is provided at the bottom of the shell 1. In a specific embodiment, the handle 12 is convenient for holding. In a specific implementation, the handle 12 provides better grip stability during manual use.

[0044] In an embodiment of the utility model, the handle 12 is provided with a switch button 13 , and the switch button 13 is electrically connected to the motor 5 ; in a specific embodiment, the motor 5 is started by the switch button 13 .

[0045] In one embodiment of the utility model, it also includes an adjustment button 14, which is arranged on the protrusion 10 and is electrically connected to the motor 5; in a specific embodiment, the adjustment button 14 can realize adjustable steering, which is divided into three gears, the first gear is clockwise rotation, the second gear is stop, and the third gear is counterclockwise rotation.

[0046] In an embodiment of the present invention, a penetration piece 16 is further included. The penetration piece 16 penetrates the extension piece 8 and is connected to the protrusion piece 10 . The extension piece 8 is fixed to the protrusion piece 10 through the penetration piece 16 .

[0047] In an embodiment of the present invention, the motor 5 is a brushless DC motor 5; in a specific embodiment, the brushless DC motor 5 is composed of a motor body and a driver.

[0048] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0049] Although the preferred embodiments of the present application have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the present application.

[0050] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or terminal device including the elements.

[0051] The above is a detailed introduction to a medical electric drill provided by the present application. Specific examples are used in this article to illustrate the principle and implementation method of the present application. The description of the above embodiments is only used to help understand the method and its core idea of ​​the present application. At the same time, for those skilled in the art, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as limiting the present application.

Claims

1. A medical electric drill, characterized in that: It includes a housing, a clamping portion and a drill bit; One end of the housing is connected to one end of the clamping portion, and the other end of the clamping portion is sleeved on one end of the drill bit; The clamping portion is provided with a fixing hole for fixing the key to be embedded; The housing is provided with a motor, a coupling and a reducer, respectively; the clamping portion is connected to the coupling, the coupling is connected to the reducer, and the reducer is connected to the motor; An extension piece is arranged on the top of the shell, and an external connection piece is arranged on one end of the extension piece.

2. The medical electric drill according to claim 1, characterized in that: It also includes a protruding piece, which is arranged between the shell and the extension piece, the shell is connected to the protruding piece, and the protruding piece is connected to the extension piece.

3. The medical electric drill according to claim 2, characterized in that: The shell is provided with a first screw hole and a second screw hole, the protrusion is provided with a third screw hole corresponding to the first screw hole and a fourth screw hole corresponding to the second screw hole, the first screw hole and the third screw hole are connected by a first bolt, and the second screw hole and the fourth screw hole are connected by a second bolt.

4. The medical electric drill according to claim 2, characterized in that: The protruding member is provided with a fifth screw hole, and the extending member is provided with a through hole at a position corresponding to the fifth screw hole, and the fifth screw hole is connected to the through hole by a third bolt.

5. The medical electric drill according to claim 1, characterized in that: It also includes a hand drill key wrench, which is arranged at the other end of the extension piece.

6. The medical electric drill according to claim 1, characterized in that: A handle is also included, and the handle is arranged at the bottom of the shell.

7. The medical electric drill according to claim 6, characterized in that: The handle is provided with a switch button, and the switch button is electrically connected to the motor.

8. The medical electric drill according to claim 2, characterized in that: It also includes an adjustment button, which is arranged on the protruding member and is electrically connected to the motor.

9. The medical electric drill according to claim 2, characterized in that: A penetrating member is also included, and the penetrating member penetrates through the extending member and is connected to the protruding member.

10. The medical electric drill according to claim 1, characterized in that: The motor is a brushless DC motor.

Images