Disclosure of Invention
The invention mainly solves the technical problems that the medical handheld tool in the prior art has small adjusting range and unstable fixation after adjustment, and is specifically solved by the following scheme:
the multidirectional ball control head comprises a ball control head body, a limiting groove, a limiting air bag and a first air pump, wherein the limiting air bag is arranged in the limiting groove, the outer wall of one side of the limiting air bag, which is close to the limiting groove, is fixed with the inner wall of the limiting groove, the outer wall of the other side of the limiting air bag forms an arc limiting groove which is larger than one half of a sphere, and the ball control head body is arranged in the arc limiting groove;
the first air pump is communicated with the inside of the limiting air bag through an air pipe and is used for increasing air pressure in the limiting air bag to enable an arc-shaped limiting groove formed by the limiting air bag to tightly wrap the ball control head and limiting and fixing the ball control head.
Further, the device also comprises a first pressure sensor arranged on the inner wall of the limit groove and used for detecting the pressure of the limit air bag.
Further, the air pump also comprises a first controller connected with the first pressure sensor and the first air pump, and the first controller is used for controlling the air pressure output by the air pump according to the pressure fed back by the first pressure sensor.
The non-hand-held electric drill for medical treatment comprises the ball control head, wherein one end of the ball control head is provided with a feedback air bag, the feedback air bag is provided with a second pressure sensor, and the feedback air bag is also communicated with a second air pump;
The device also comprises a mounting sleeve, a driving shaft and a metal elastic piece, wherein the driving shaft and the metal elastic piece are arranged in the mounting sleeve, and the metal elastic piece is arranged between the feedback air bag and the end part of the driving shaft; the metal elastic sheet is connected with a numerical control instrument and used for controlling the displacement of the metal elastic sheet, and the metal elastic sheet is arranged in the circuit of the second air pump and the driving shaft and forms a loop;
The driving shaft is in sliding connection with the mounting sleeve, and the feedback air bag is used for driving the driving shaft to move in the mounting sleeve with constant driving force;
The device also comprises a second controller, wherein the second controller is connected with the numerical control instrument, the second pressure sensor and the circuits of the second air pump and the driving shaft, and is used for controlling the on-off of the circuits of the second air pump and the driving shaft according to the displacement information of the metal elastic sheet fed back by the numerical control instrument.
Further, the device also comprises a rotating speed regulator arranged on the driving shaft, and the rotating speed regulator is connected with the second controller and is used for regulating the rotating speed of the driving shaft according to the instruction of the second controller.
According to the multidirectional ball control head of the embodiment, the ball control head is arranged in the arc-shaped limit groove formed by the limit air bag and the limit groove, a doctor can randomly adjust the direction of the ball control head in a large range as required, then the pressure in the limit air bag is increased through the first air pump, the ball control head is tightly wrapped by the arc-shaped limit groove formed by the limit air bag, the limit and the fixation of the ball control head are realized, in addition, because the limit air bag is completely contacted with the control ball, when the pressure in the limit air bag is large, the friction force between the limit air bag and the ball control head is increased, and the limit to the ball control head is more stable. In addition, according to the non-hand-held electric drill for medical treatment, the driving shaft of the electric drill can be driven to move forwards through the feedback air bag under constant pressure, meanwhile, the displacement of the metal elastic sheet moving forwards is controlled through the numerical control instrument, so that the displacement of the driving shaft is controlled, when the displacement of the driving shaft reaches a preset value, the circuit of the driving shaft and the second air pump is controlled to be disconnected, the electric drill and the second air pump immediately stop working, and the driving shaft of the electric drill is limited in the advancing direction by adopting the ball control head, so that the non-hand-held electric drill for medical treatment is stable in working and accurate in drilling depth, and the quality and safety of medical treatment are ensured.
Detailed Description
The application will be described in further detail below with reference to the drawings by means of specific embodiments. Wherein like elements in different embodiments are numbered alike in association. In the following embodiments, numerous specific details are set forth in order to provide a better understanding of the present application. However, one skilled in the art will readily recognize that some of the features may be omitted, or replaced by other elements, materials, or methods in different situations. In some instances, related operations of the present application have not been shown or described in the specification in order to avoid obscuring the core portions of the present application, and may be unnecessary to persons skilled in the art from a detailed description of the related operations, which may be presented in the description and general knowledge of one skilled in the art.
Furthermore, the described features, operations, or characteristics of the description may be combined in any suitable manner in various embodiments. Also, various steps or acts in the method descriptions may be interchanged or modified in a manner apparent to those of ordinary skill in the art. Thus, the various orders in the description and drawings are for clarity of description of only certain embodiments, and are not meant to be required orders unless otherwise indicated.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The term "coupled" as used herein includes both direct and indirect coupling (coupling), unless otherwise indicated.
In the embodiment of the invention, in order to solve the technical problems of small adjusting range of a driving shaft and unstable fixation after adjustment in the prior art, the invention provides an arc-shaped limiting groove formed by matching a limiting groove 12 and a limiting air bag 2 arranged in the limiting groove 12, wherein the arc-shaped limiting groove is more than one half of a sphere, a ball control head 1 is arranged in the arc-shaped limiting groove, when the limiting air bag 2 is not inflated, the ball control head 1 can freely adjust the direction in a larger angle range in the arc-shaped limiting groove, a doctor or a user can start a first air pump 3 communicated with the limiting air bag 2 after adjusting the direction of the driving shaft 6 according to the self requirement, the air pump 3 is controlled to increase the pressure in the limiting air bag 2, so that the limiting air bag 2 tightly wraps the ball control head 1 under huge pressure, the limit of the ball control head 1 is realized, and the ball control head 1 is stably fixed due to the fact that the limiting air bag 2 is fully contacted with the ball control head 1 after being inflated.
Furthermore, on the basis of the scheme, the invention also provides a non-hand-held electric drill for medical treatment, the driving shaft 6 of the electric drill can be driven to move forwards through the feedback air bag 7 under constant pressure, meanwhile, the displacement of the forward movement of the metal elastic sheet 10 is controlled through the numerical control instrument 9 so as to control the displacement of the driving shaft 6, when the displacement of the driving shaft 6 reaches a preset value, the circuit of the driving shaft 6 and the second air pump 8 is controlled to be disconnected, the driving shaft 6 and the second air pump 8 of the electric drill immediately stop working, and the direction of the driving shaft 6 of the electric drill is fixed and limited by adopting the ball control head 1, so that the non-hand-held medical electric drill is stable in working and accurate in drilling depth, and the medical treatment quality and safety are ensured.
Examples
Referring to fig. 1, the present embodiment provides a multi-directional ball control head, which includes a ball control head 1, a limiting groove 12, a limiting air bag 2 and a first air pump 3. The limiting groove 12 is more than one half of a sphere, the limiting air bag 2 is arranged in the limiting groove 12, the limiting air bag 2 is also more than one half of a sphere, the outer wall 21of one side of the limiting groove 12 is fixedly connected with the inner wall of the limiting groove 12, the outer wall 22 of the other side of the limiting groove forms a sphere-shaped arc limiting groove which is more than one half of a sphere, and the ball control head 1 is arranged in the arc limiting groove. The first air pump 3 is communicated with the inside of the limit air bag 2 through an air pipe and is used for increasing the air pressure in the limit air bag 2, when the air pump is used, the direction of the ball control head 1 is adjusted in advance, then the first air pump 3 is started to inflate the limit air bag 2, the limit air bag 2 is inflated and the pressure is increased, the ball control head 1 is tightly wrapped, the limit air bag 2 is fully contacted with the ball control head 1 due to the fact that the pressure of the limit air bag 2 is large, the friction force between the side wall of the limit air bag 2 and the ball control head 1 is large, the ball control head 1 is supported, and therefore the ball control head 1 can be stably limited and fixed.
When in actual use, medical equipment such as a non-hand-held electric drill and the like can be fixed at one end of the ball control head 1, and the ball control head 1 can be adjusted in a larger angle range and can be stably fixed after being adjusted.
In order to accurately control the pressure of the first air pump 3 output to the limiting air bag 2, in this embodiment, a first pressure sensor 4 is further disposed on the inner wall of the limiting groove 12 and used for detecting the pressure of the limiting air bag 2, and a first controller 5 is further disposed at the same time, the first controller 5 is respectively connected with the first air pump 3 and the first pressure sensor 4, and the first controller 5 can control the start and stop of the first air pump 3 through the pressure value fed back by the first pressure sensor 4, so as to achieve the purpose of outputting proper pressure to the limiting air bag 2.
Examples
Referring to fig. 2, in the embodiment 1, a non-hand-held electric drill is provided, and a driving shaft 6 of the non-hand-held electric drill is connected to one end of a ball control head 1 of the embodiment 1, that is, a limited direction of the driving shaft 6 of the non-hand-held electric drill can be controlled by the ball control head and fixed. In this embodiment, a mounting sleeve 13 is designed, one end of the ball control head 1 is provided with a connecting shaft 14, one end of the connecting shaft 14 is arranged in the mounting sleeve 13 and is slidably connected with the mounting sleeve 13, the right end of the driving shaft 6 of the electric drill is also arranged in the mounting sleeve 13, the left end of the connecting shaft 14 is provided with a feedback air bag 7, and the front end of the feedback air bag 7 is connected with the right end of the driving shaft 6. The driving shaft 6 can also rotate and slide along the axial direction at the mounting sleeve 13, the feedback air bag 7 is connected with a second air pump 8, pressure can be provided for the feedback air bag 7 through the second air pump 8, when the pressure in the feedback air bag 7 is constant, the pressure can be applied to the driving shaft 6 through the feedback air bag 7, so that the driving shaft 6 moves towards the left end, and meanwhile, a second pressure sensor is further arranged in the feedback air bag 7 and used for detecting the pressure information of the feedback air bag 7. The connecting shaft 14, the feedback air bag 7 and the driving shaft 6 are linearly arranged in the mounting sleeve 13, so that the connecting shaft 14 and the connecting shaft 14 cannot change in direction in the mounting sleeve 13, and the stability of the driving shaft 6 is ensured.
Wherein, in order to eliminate the influence of the gravity of the driving shaft 6, a certain damping and resistance parameter is arranged between the driving shaft 6 and the mounting sleeve 13, so that the influence of the gravity of the driving shaft 6 on the stability of the driving shaft 6 is avoided.
The device further comprises a metal spring plate 10 arranged between the feedback air bag 7 and the end part of the driving shaft 6 in the mounting sleeve 13, the metal spring plate 10 is connected with the driving shaft 6, a numerical control instrument 9 is connected to the metal spring plate 10, the numerical control instrument 9 is used for recording and controlling the displacement of the movement of the metal spring plate 10, and the metal spring plate 10 is arranged in a circuit of the second air pump 8 and the driving shaft 6 and forms a loop. The displacement that can set up and control metal shell fragment 10 through numerical control appearance 9 removes, drives metal shell fragment 10 when drive shaft 6 moves forward under the drive of feedback gasbag 7 and moves forward, and when the displacement that metal shell fragment 10 moved reached the setting, the return circuit disconnection of control metal shell fragment 10 and second air pump 8 and drive shaft 6 for drive shaft 6 stops moving and rotates, also makes second air pump 8 stop work simultaneously.
Further, the electric drill further comprises a second controller 11, the second controller 11 is connected with the numerical control instrument 9, the second pressure sensor and a circuit of the second air pump 8 and the driving shaft 6, the second controller 11 can control the start and stop of the second air pump 8 according to pressure information fed back by the second pressure sensor, and then control the pressure of the feedback air bag 7, so that the feedback air bag 7 pushes the driving shaft 6 to move forwards with proper and constant pressure, the consistency and stability of the stress of the driving shaft 6 are guaranteed, and the electric drill for medical use works more stably. Meanwhile, the second controller 11 and the numerical controller 9 can also control the displacement of the movement of the metal elastic sheet 10, when the set displacement is reached, when the metal elastic sheet 10 moves forwards to reach the set position, the power supply loops of the driving shaft 6 and the second air pump 8 are disconnected by using the insulating material, namely, the driving shaft 6 and the second air pump 8 stop working, so that the movement and the rotation of the driving shaft 6 can be controlled to stop immediately, the forward displacement and the rotation of the driving shaft 6 can be accurately controlled, and the punching depth can be accurately controlled during operation. The uncontrollable factors of the hand-held electric drill are eliminated, and the medical accuracy and safety are ensured.
Further, the device also comprises a rotation speed regulator 15 arranged on the driving shaft 6, wherein the rotation speed regulator 15 is connected with the second controller 11 and is used for regulating the rotation speed of the driving shaft 6 according to the instruction of the second controller 11, so that a doctor can regulate the rotation speed of the driving shaft 6 according to different operation requirements.
In other embodiments, the device may further include an inputtable display screen connected to the second controller 11, through which the forward displacement and rotation speed of the drive shaft 6, the pressure of the feedback air bag 7, and the like may be set.
Through the non-hand-held electric drill of this embodiment, the displacement and the rotational speed of electric drill (drive shaft 6) can be accurately controlled to and control adopts suitable invariable pressure to promote the motion of drive shaft 6, combines accuse bulb and 1 to the adjustability and the stability of drive shaft 6 limiting direction again for medical operation is more accurate, has avoided the medical malpractice.
The foregoing description of the invention has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the invention pertains, based on the idea of the invention.