CN211609950U

CN211609950U - Skull drill

Info

Publication number: CN211609950U
Application number: CN201721805366.1U
Authority: CN
Inventors: 赖燕青; 文平
Original assignee: Guangzhou Peimai Medical Technology Co ltd
Current assignee: Guangzhou Peimai Medical Technology Co ltd
Priority date: 2017-12-21
Filing date: 2017-12-21
Publication date: 2020-10-02
Anticipated expiration: 2027-12-21

Abstract

The utility model relates to the technical field of medical equipment, in particular to a skull drill, which comprises a skull drill main body and a drill bit, wherein the skull drill main body is fixed with a drill bit axle center with a conductivity sensor, an electric transmission system device, a processing system device, a power supply system device and a skull drill switch; the drill bit is hollow, the drill bit is embedded and fixed on the shaft center of the drill bit, and the foremost end of the shaft center with the conductivity sensor protrudes out of the front end surface of the drill bit; the electric transmission system device is electrically connected with the processing system device, the processing system device feeds back the electric conductivity detected by the electric conductivity sensor, the skull drill switch is electrically connected with the electric transmission system device, the skull drill switch controls the rotation of the electric transmission system device, and the electric transmission system device and the processing system device are respectively connected with the power supply system device. The device can avoid the failure of drilling or the drill bit from penetrating the bone too deeply to injure other tissues.

Description

Skull drill

Technical Field

The utility model relates to the technical field of medical equipment, more specifically relates to a skull drill.

Background

With the development of economy and the advancement of science and technology, the requirements of people on medical quality are higher and higher. In particular, in surgical operations, many medical actions require the assistance of mechanical equipment, and techniques such as mechanical automation and precision positioning are widely applied to the development of medical equipment in order to ensure the safety and accuracy of the operations.

The existing skull drilling equipment adopts a manual feeding type drilling device which is mainly divided into a manual hand-operated drilling device and a hand-held electric drill. Both of the two manual feeding modes are based on the experience of a doctor, and the doctor judges whether the skull is drilled or not by using the protruding feeling and the hand feeling when the skull is drilled. If the doctor is inexperienced or the doctor has a wrong judgment during operation and does not stop feeding, the drilling fails or the drill penetrates the bone too deeply to injure other tissues due to uneven and insufficient torque force of the drill or improper control of the insertion force, so that secondary injury is caused.

Therefore, there is a need to design an automatic feeding type drilling device to replace the manual drilling work of doctors, solve the problem of insufficient judgment of the insertion position of the drill bit by manual feeding and effectively shorten the drilling time so as to ensure that the doctors have sufficient time to perform medical treatment work.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art an at least defect, provide a skull and bore, this skull bores the tissue type that can judge the part of going into of skull brill, can avoid drilling failure or drill bit to pierce through the bone too deeply and injure other tissues, cause the secondary injury.

In order to solve the technical problem, the technical scheme of the utility model as follows: a skull drill comprises a skull drill main body and a drill bit, wherein the skull drill main body is fixedly provided with a drill bit axis with a conductivity sensor, an electric transmission system device, a processing system device, a power supply system device and a skull drill switch; the drill bit is a hollow drill bit and is embedded and fixed on the shaft center of the drill bit, and the foremost end of the shaft center with the conductivity sensor protrudes out of the front end surface of the drill bit and is in contact with tissues; the electric drill comprises a drill bit, an electric transmission system device, a processing system device, a skull drill switch, a power supply system device and a power supply system device, wherein the axis of the drill bit is fixedly connected with the electric transmission system device, the electric transmission system device rotates to drive the axis of the drill bit to rotate so as to control the rotation or stop of the drill bit, the conductivity sensor is electrically connected with the processing system device, the processing system device feeds back the conductivity detected by the conductivity sensor, the skull drill switch is electrically connected with the electric transmission system device, the skull drill switch controls the rotation of the electric transmission system device, the electric transmission system device and the processing system device are respectively connected with the power supply system. When the skull drilling needs to be carried out, the skull drill switch is pressed, the electric transmission system rotates, the electric transmission system drives the drill bit axis fixed with the drill bit to rotate, the drill bit starts to drill, the electric conductivity sensor measures the electric conductivity of the tissue of the part where the drill bit is located, the type of the tissue of the part where the drill bit is located is judged according to the electric conductivity, and therefore whether the drilling position and the drilling depth are proper or not is judged, if the drilling empty position or the drilling depth are not proper, the electric transmission system device stops rotating timely, the skull drill switch can be controlled to start and stop through manual control, and therefore the probability that the drilling fails or the drill bit penetrates through the bone deeply to injure other tissues and cause secondary injury can be reduced.

Furthermore, the electric drive system device is electrically connected with the processing system device, the processing system device can judge whether the numerical value fed back by the conductivity sensor meets a set value, and the processing system device can control the rotation of the electric drive system device according to the judgment result so as to control the rotation or stop of the drill bit. The limit value of the conductivity can be set in the processing system device in advance, and when the conductivity measured by the conductivity reaches the limit value, the processing system device controls the electric transmission system device to stop, so that secondary injury caused by skull penetration is avoided. The processing system directly controls the electric transmission system to stop rotating without the reaction of an operator when the processing system device judges that the electric conductivity reaches the limit value, so that the feedback speed is greatly improved, and the condition that the drilling fails or the drill bit penetrates the bone too deeply is further reduced.

Further, drill bit and drill bit axle center detachable fixed connection, the drill bit include the reserve drill bit of a plurality of different models, the reserve drill bit of a plurality of different models can respectively with drill bit axle center detachable fixed connection. In actual operation, often need the drill bit of different diameters to drill, therefore set up drill bit and drill bit axle center detachable form and can improve the adaptability of device, need not all change different skull at every turn and bore, only need to change the drill bit can, it is more convenient.

Furthermore, the skull drill main body comprises a handle, the handle is fixed to the lower portion of the skull drill main body, the electric transmission system device, the processing system device and the power supply system device are fixed to the inside of the skull drill main body, and the skull drill switch is fixed to the front side of the handle.

Further, the conductivity sensor comprises a conductivity sensor probe, and the conductivity sensor probe is embedded in the front end of the axis of the drill bit where the conductivity sensor probe is located. This facilitates access to tissue ahead of the drill bit, facilitating detection.

Further, the processing system means comprises input means comprising one or more of buttons, knobs, touch screens, electrets and output means comprising one or more of screens, indicator lights, loudspeakers, alarms.

Furthermore, the processing system device comprises a touch screen, an input module and an output module, wherein the input module and the output module are respectively connected with the touch screen.

Further, the power supply system device comprises a battery.

Further, the battery be rechargeable battery, the main part on be provided with the interface that charges, the charging wire can charge the battery through the interface that charges.

Compared with the prior art, the beneficial effects are: the automatic drilling and stopping can be realized, so that the brain drilling operation is safer and more efficient, and the probability that the drilling fails or the drill bit penetrates the bone too deeply to injure other tissues can be reduced; whether the drilling is needed to be continued or not can be judged according to the position of the drill bit, the start and stop of the skull drill can be automatically controlled, and the operation is simple and efficient; the skull drill main body can be combined with drill bits with different outer diameters for use, and different clinical requirements are met.

Drawings

Fig. 1 is a schematic view of the main structure of the skull drill of the present invention.

Fig. 2 is a schematic view of the drill of the present invention.

Fig. 3 is a schematic diagram of the control relationship structure of the present invention.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

As shown in fig. 1 and 2, a skull drill comprises a skull drill body 1 and a drill bit 10, wherein a drill bit shaft center 11 with a conductivity sensor, an electric transmission system device 4, a processing system device 5, a power supply system device 6 and a skull drill switch 9 are fixed on the skull drill body 1; the drill bit 10 is fixed on a drill bit shaft center 11, the drill bit shaft center 11 is fixedly connected with an electric transmission system device 4, the electric transmission system device 4 rotates to drive the drill bit shaft center 11 to rotate so as to control the rotation or stop of the drill bit 10, the conductivity sensor 3 is electrically connected with a processing system device 5, the processing system device 5 feeds back the conductivity detected by the conductivity sensor 3, the skull drill switch 9 is electrically connected with the electric transmission system device 4, the skull drill switch 9 controls the rotation of the electric transmission system device 5, and the electric transmission system device 4 and the processing system device 5 are respectively connected with a power supply system device 6. The drill shaft center 11 can also be connected with the motor shaft 2, and the motor shaft 2 is connected with the electric transmission system device 4.

The processing system device 5 may comprise a determination module, when the conductivity fed back by the conductivity sensor 3 is the conductivity of the meninges or brain tissue, the processing system device 5 controls the electric drive system device to stop the drill bit from penetrating, and simultaneously sends out an alarm signal to prevent the skull from penetrating the skull to cause injury to human body, for example, the risk of the drill bit penetrating the meninges can be reduced.

The electric drive system device 4 may be electrically connected to the processing system device 5, so that the processing system device 5 can determine whether the value fed back by the conductivity sensor 3 meets a set value, and the processing system device 5 can control the rotation of the electric drive system device 4 according to the determination result to control the rotation or stop of the drill 10. The conductivity sensor 3 of the skull drill can measure the conductivity of the tissue at the front end of the drill bit, the conductivity is fed back to the electric transmission system device 4 through the processing system device 5, and the electric transmission system device controls the axis 11 of the drill bit and executes the operation instruction of automatic feeding or drill stopping.

The electric transmission system device 4 can be an operation instruction which is mainly provided with a driving motor and is connected with the motor shaft 2, the motor shaft drives the axis of the drill bit, and the axis drives the combined drill bit to realize drilling or stopping.

The drill 10 and the drill axis 11 can be integrally or detachably fixedly connected, when the two are detachably fixedly connected, the drill 10 comprises a plurality of spare drill bits of different types, and the spare drill bits of different types can be respectively detachably and fixedly connected with the drill axis.

The skull drill main body 1 comprises a handle 8, the handle 8 is fixed at the lower part of the skull drill main body 1, the electric drive system device 4, the processing system device 5 and the power supply system device 6 are fixed in the skull drill main body 1, and the skull drill switch 9 is fixed at the front side of the handle 8.

The conductivity sensor 3 comprises a conductivity sensor probe, preferably embedded in the front end of the drill bit shaft center 11 where it is located.

The processing system means 5 may comprise input means comprising one or more of buttons, knobs, touch screens, electrets and output means comprising one or more of screens, indicator lights, loudspeakers, alarms.

The processing system device 5 comprises a touch screen, an input module and an output module, wherein the input module and the output module are respectively connected with the touch screen.

The power supply system device 6 may include a battery, or may directly supply power through a power line. The battery can be rechargeable battery, is provided with the interface 7 that charges on the cooperation skull drill main part 1, and the charging wire can charge to the battery through the interface 7 that charges.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A skull drill comprises a skull drill main body (1) and a drill bit (10), and is characterized in that the skull drill main body (1) is provided with a drill bit axis (11) with a conductivity sensor, an electric transmission system device (4), a processing system device (5), a power supply system device (6) and a skull drill switch (9); the drill bit (10) is a hollow drill bit and is fixed on a drill bit shaft center (11), and the conductivity sensor is arranged at the foremost end of the drill bit shaft center and protrudes out of the front end surface of the drill bit; the electric drill is characterized in that the drill shaft center (11) is fixedly connected with an electric transmission system device (4), the electric transmission system device (4) rotates to drive the drill shaft center (11) to rotate to control the rotation or stop of a drill (10), the conductivity sensor (3) is electrically connected with a processing system device (5), the processing system device (5) feeds back the conductivity detected by the conductivity sensor (3), the skull drill switch (9) is electrically connected with the electric transmission system device (4), the skull drill switch (9) controls the rotation of the electric transmission system device (4), the electric transmission system device (4) and the processing system device (5) are respectively connected with a power supply system device (6), and the power supply system device (6) provides electric energy for the electric transmission system device.

2. A burr drill as recited in claim 1, wherein: the electric drive system device (4) is electrically connected with the processing system device (5), the processing system device (5) can judge whether the numerical value fed back by the conductivity sensor (3) meets a set value, and the processing system device (5) can control the rotation of the electric drive system device (4) according to the judgment result so as to control the rotation or stop of the drill bit (10).

3. A burr drill as recited in claim 1, wherein: drill bit (10) and drill bit axle center (11) detachable fixed connection, drill bit (10) including the reserve drill bit of a plurality of different models, the reserve drill bit of a plurality of different models can respectively with drill bit axle center detachable fixed connection.

4. A burr drill according to any of claims 1-3, characterized in that: the skull drill comprises a skull drill body (1) and is characterized in that the skull drill body (1) comprises a handle (8), the handle (8) is fixed on the lower portion of the skull drill body (1), an electric transmission system device (4), a processing system device (5) and a power supply system device (6) are fixed inside the skull drill body (1), and a skull drill switch (9) is fixed on the front side of the handle (8).

5. A burr drill according to any of claims 1-3, characterized in that: the conductivity sensor (3) comprises a conductivity sensor probe which is embedded at the front end of the drill bit axis (11) where the conductivity sensor probe is located.

6. A burr drill according to any of claims 1-3, characterized in that: the processing system means (5) comprises input means comprising one or more of buttons, knobs, touch screens, electrets and output means comprising one or more of screens, indicator lights, loudspeakers, alarms.

7. A burr drill according to any of claims 1-3, characterized in that: the processing system device (5) comprises a touch screen, an input module and an output module, wherein the input module and the output module are respectively connected with the touch screen.

8. A burr drill according to any of claims 1-3, characterized in that: the power supply system device (6) comprises a battery.

9. A burr drill as recited in claim 8, wherein: the battery be rechargeable battery, main part (1) on be provided with interface (7) that charge, the charging wire can charge the battery through interface (7) that charges.