CN209864876U - Medical electric drill and indwelling needle - Google Patents

Abstract

The utility model provides a medical electric drill, which comprises a machine body, a motor, a battery and an output shaft, wherein the battery and the motor are arranged in the machine body, the battery is electrically connected with the motor, the output shaft is connected with the motor, the output end extends out of the machine body, the medical electric drill also comprises an electric quantity detection module and a display, the display is arranged at the bottom of the machine body, and the electric quantity detection module is respectively electrically connected with the display and the battery; the indwelling needle head comprises a needle head drill and an indwelling interface, the needle head drill is fixedly connected with the indwelling interface, the indwelling interface is matched with an electric drill output shaft, a plurality of convex ribs are arranged on the inner wall of the indwelling interface, and a concave part matched with an electric drill output shaft transverse pin is arranged on the interface. The utility model has the advantages of, the output shaft that adopts cylinder or polygon prism reduces the eccentricity of drill bit, and the electric drill space of rational utilization sets up visual electric quantity interface, makes the doctor surveyability to the electric quantity, and the cooperation is matchd and is kept somewhere syringe needle and reduce patient's misery and risk.

Description

Medical electric drill and indwelling needle

Technical Field

The utility model relates to a medical electric drill, especially keep somewhere medical electric drill and supporting syringe needle of keeping somewhere for the syringe needle.

Background

The medical electric drill with the indwelling needle on the market has the problem that the output shaft of the medical electric drill is high in eccentricity, so that potential safety hazards of placement of the indwelling needle in use are caused, and pain is caused to patients.

Disclosure of Invention

For solving the above-mentioned high problem of medical electric drill eccentricity of keeping somewhere the syringe needle, the utility model provides a medical electric drill and keep somewhere the syringe needle specifically as follows:

the utility model provides a medical electric drill, includes fuselage, motor, battery and output shaft, in the fuselage was arranged in to battery, motor, the battery is connected with the motor electricity, the output shaft is connected with the motor, and the fuselage is stretched out to the output, still includes electric quantity detection module and display, the fuselage bottom is arranged in to the display, electric quantity detection module is connected with display and battery electricity respectively.

On the basis of the technical scheme, the output shaft is cylindrical.

On the basis of the technical scheme, the output shaft is a regular hexagonal prism.

On the basis of the technical scheme, the front end of the output shaft is also provided with a transverse pin.

On the basis of the technical scheme, the top end of the output shaft is provided with a permanent magnet.

On the basis of the technical scheme, the body is further provided with an electric quantity display key, and the electric quantity display key is electrically connected with the electric quantity detection module.

The utility model provides a keep somewhere syringe needle for medical electric drill matches, bores and keeps somewhere the interface including the syringe needle, the syringe needle bores and keeps somewhere interface fixed connection, it matches with the electric drill output shaft to keep somewhere the interface, is equipped with a plurality of protruding muscle keeping somewhere the interface inner wall, still has the concave part that matches with electric drill output shaft horizontal pin on the interface.

On the basis of the technical scheme, the connector of the indwelling needle comprises an outer wall and an inner wall, and a cavity is arranged between the outer wall and the inner wall.

The utility model has the advantages of, the output shaft that adopts cylinder or polygon prism reduces the eccentricity of drill bit, and the electric drill space of rational utilization sets up visual electric quantity interface, makes the doctor surveyability to the electric quantity, and the cooperation is matchd and is kept somewhere syringe needle and reduce patient's misery and risk.

Drawings

Fig. 1 is a schematic structural view of the medical electric drill of the present invention;

fig. 2 is a schematic bottom view of the medical electric drill of the present invention;

fig. 3 is a schematic view of an output shaft of an electric drill according to the present invention;

FIG. 4 is a cross-sectional view of an indwelling needle;

figure 5 is a schematic view of an indwelling needle hub.

1-a fuselage; 11-motor control keys; 2-an output shaft; 21-a permanent magnet; 3-a display screen; 31-power display key; 4-transverse pin; 5, drilling a needle head; 6-interface; 61-convex ribs; 62-a cavity; 63-a recess; 64-outer wall; 65-inner wall.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or components having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, the utility model relates to a medical electric drill, which comprises a machine body 1, a motor, a battery and an output shaft 2, wherein the battery and the motor are arranged in the machine body 1, the battery is electrically connected with the motor, the output shaft 2 is connected with a motor reducer, the output shaft 2 is in transmission connection or fixed connection with the motor output shaft, the output shaft 2 extends out of the machine body 1, the medical electric drill further comprises an electric quantity detection module and a display 3, the display 3 is arranged at the bottom of a handle of the machine body 1, an electric quantity display key 31 is arranged on the handle of the machine body 1 or at the tail part of the machine body 1 or other parts of the machine body, the electric quantity display key 31 is electrically connected with the electric quantity detection module, the electric quantity detection module is respectively electrically connected with the display and the battery, the display 3 is normally dark, when the electric quantity display key 31 is, thus, the electric quantity can be displayed under the condition of minimum power consumption; of course, the power display key 31 may be removed, so that the display 3 displays the power condition in a normally bright manner; the display is connected with the motor in parallel, the electric quantity is displayed when the motor works, or the electric quantity condition is displayed by using the capacitive display 3 to lighten the display 3 through touching the display 3, and when the electric quantity is insufficient, a user is reminded to charge;

similarly, the power display key 31 may not be provided, the power detection module is electrically connected to the motor control key 11, the motor control key 11 is provided with two key strokes, when the key stroke of the motor control key 11 is half pressed, the power detection module is activated, and the display 3 displays the power supply power.

As shown in fig. 3, the output shaft 2 may be a cylindrical shape, a regular hexagonal prism or a polygonal prism with other sides, and when the output shaft 2 is a cylindrical shape, a transverse pin 4 is further provided at the front end thereof, and the transverse pin 4 is matched with a concave 63 on the indwelling needle hub 6 for coaxially rotating the indwelling needle with the output shaft 2. The head of the output shaft 2 is provided with a permanent magnet 21 which is used for attracting the indwelling needle head to ensure that the output shaft 2 is fixedly connected with the indwelling needle.

As shown in fig. 4 and 5, the indwelling needle comprises a needle drill 5 and an indwelling needle 6, the needle drill 5 is fixedly connected with the indwelling needle 6, the indwelling needle 6 is matched with an electric drill output shaft 2, a plurality of convex ribs 61 are arranged on the inner wall 65 of the indwelling needle 6, and the convex ribs 61 are used for improving the assembly concentricity of the output shaft 2 and the indwelling needle and preventing the indwelling needle from being thrown off; there is also a recess 63 in the interface 6 which mates with the cross pin 4 of the cylindrical drill output shaft 2. The connector 6 of the indwelling needle is divided into an outer wall 64 and an inner wall 65, a cavity 62 is arranged between the outer wall 64 and the inner wall 65, when the output shaft 2 is inserted into the indwelling connector 6, the inner wall 65 of the connector 6 deforms due to extrusion of the convex ribs, and the assembly concentricity of the output shaft 2 and the indwelling connector is improved.

Examples

When a user uses the medical electric drill, the electric drill body 1 is held by hand to press the electric quantity display key 31 before the operation is started, the power supply electric quantity condition shown by the display 3 is observed, the electric drill with sufficient electric quantity is selected for operation, and the electric drill with insufficient electric quantity is subjected to operations such as power supply replacement or charging;

starting operation, attracting the indwelling needle head and the electric drill output shaft 2 through a permanent magnet, connecting and fixing, and if the cylindrical output shaft 2 is used, paying attention to placing the transverse pin 4 into the concave part 63 of the indwelling interface 6; and after confirming that the connection and fixation of the indwelling needle head and the electric drill are correct, starting to operate.

After the operation is finished, a user holds the indwelling interface to separate the indwelling needle head from the output shaft 2 of the electric drill, and the whole operation process is finished; after the operation is finished, the user can press the electric quantity display key 3, the power supply electric quantity condition shown by the display 3 is observed by the user 1, and the electric drill with insufficient electric quantity is subjected to operations such as power supply replacement or charging.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims (8)

1. The utility model provides a medical electric drill, includes fuselage, motor, battery and output shaft, its characterized in that, in the fuselage was arranged in to battery, motor, the battery is connected with the motor electricity, the output shaft is connected with the motor, and the fuselage is stretched out to the output, still includes electric quantity detection module and display, the fuselage bottom is arranged in to the display, electric quantity detection module is connected with display and battery electricity respectively.

2. A medical drill according to claim 1 wherein the output shaft is cylindrical.

3. A medical drill according to claim 1 in which the output shaft is a regular hexagonal prism.

4. The medical electric drill according to claim 2, wherein the front end of the output shaft is further provided with a cross pin.

5. The medical electric drill according to claim 1, wherein the top end of the output shaft is provided with a permanent magnet.

6. The medical electric drill according to claim 1, wherein an electric quantity display key is further arranged on the body, and the electric quantity display key is electrically connected with the electric quantity detection module.

7. The indwelling needle for connecting the medical electric drill according to any one of claims 1 to 6, which comprises a needle drill and an indwelling interface, wherein the needle drill is fixedly connected with the indwelling interface, the indwelling interface is matched with an electric drill output shaft, a plurality of convex ribs are arranged on the inner wall of the indwelling interface, and a concave part connected with a transverse pin of the electric drill output shaft is arranged on the interface.

8. The indwelling needle of claim 7, wherein the hub of the indwelling needle comprises an outer wall and an inner wall with a cavity therebetween.