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Motorized Ultrasound Scan Equipment

Abstract: An ultrasound transducer, also called a probe, is a device that produces sound waves that bounce off body tissues and make echoes. To view the infant's growth and conditions, doctors hold the probe on the mother’s abdomen. The pressure of the probe may be varying by the required view of the region of interest. Hence varying the pressure becomes a strain to the doctors. Our invention comes up with new equipment comprising robotic arm holds the ultrasonic probe tightly, and sliding mechanism to move the setup from head to toe of the patient. High torque motors are provided to move the probe to the exact location on the body of the patient. This equipment is Bluetooth based remote controlled and motorized and it is designed with lightweight aluminium material in addition to that it is portable, easily operated, and highly durable. It is cost-efficient, and is fully motorized which can reduce physical stress to the doctors.

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Patent Information

Application #
Filing Date
13 November 2020
Publication Number
20/2022
Publication Type
INA
Invention Field
BIO-MEDICAL ENGINEERING
Status
Email
Parent Application

Applicants

MLR Institute of Technology
MLR Institute of Technology, Hyderabad, Telangana, India

Inventors

1. N.R. Samuel Paul
Department of Electronics and Communication Engineering, MLR Institute of Technology, Hyderabad, Telangana, India
2. O.V. Ranjitha
Department of Electronics and Communication Engineering, MLR Institute of Technology, Hyderabad, Telangana, India
3. A. Manoj Kumar Reddy
Department of Electronics and Communication Engineering, MLR Institute of Technology, Hyderabad, Telangana, India
4. Ravi Umesh Kumar
Department of Electronics and Communication Engineering, MLR Institute of Technology, Hyderabad, Telangana, India
5. S.V.S. Prasad
Department of Electronics and Communication Engineering, MLR Institute of Technology, Hyderabad, Telangana, India
6. B. Sridhar
Department of Electronics and Communication Engineering, MLR Institute of Technology, Hyderabad, Telangana, India
7. V. Seetarama Subrahmanyam
Department of Electronics and Communication Engineering, MLR Institute of Technology, Hyderabad, Telangana, India
8. K. Maniraj
Department of Electronics and Communication Engineering, MLR Institute of Technology, Hyderabad, Telangana, India

Specification

Claims:The scope of the invention is defined by the following claims:

Claim:
1. A motorized ultrasound scan equipment comprising:
a) A 200rpm motor (1) which is attached to the threaded rod (6) to control the movement of the sliding movable aluminium block in the horizontal direction.
b) 5rpm motors (3) are provided to control the arm rods. The mounting assembly of the sliding screw-nut mechanism (7) is provided to slide the arm placement rigidly to either side block.
c) A rotating mechanism(8), which will provide 360 degree operation that can be fulfilled by 60rpm motor(2) which is attached below the robotic arm unit.
d) A micro worm gear motor (5) ensures the 360degrees rotation of the probe holder. The guiding system can able to move the arm set up on the threaded rod to which the motor is fixed and supporting guide rods (9).
e) Movement of arm rods and placement (10) is done in a forward and backward motion. This forward and backward motion is done through the 5rpm motor (4), which is fixed to the arm that is stationary and its shaft is fixed to the arm that is to be moved (11).

2. According to Claim 1, an electromechanically driven mechanism coupled with the transducer and configured to drive the transducer to carry out said scanning.

3. As mentioned in claim 1, Arduino is used to building interactive prototypes and use it for installations and to experiment with the scanning device.

4. According to claim 1, square Gear Motors are the greatest benefits is that they eliminate the need for having a separate gearbox and electric motor. This geared motor is a Motor reducer structure, with high power, high torque output also stable performance, and self-locking.

5. As per claim 1, single Channel Monster Motor driver is the features of Thermal Shutdown, Under-voltage and Overvoltage shutdown, and Current sensing available to the Arduino analog pin.

6. As per claim 1, blue tooth-driven controller mechanism and a linkage between the controller mechanism and the ultrasound transducer configured to control the scanning motion of the transducer relative to the scanning region. , Description:Field of Invention
The present invention relates to, ultrasound scanning for patients. It is a safe and painless test that creates images of organs, glands, abnormal lumps, and other structures like muscles, tendons, and joints.
The objectives of this invention
The objective of this invention is to provide motorized ultrasound scan equipment which can be easily controlled through a mobile phone by a doctor by sitting beside patients.
Background of the invention
Medical ultrasound is also known as diagnostic sonography and ultrasonography. It is an imaging technique and used to create an image of internal body structure such as tendons, blood vessels. Its aim is often to find the source of diseases. An ultrasound transducer also called a probe, it generates the sound waves that is reflected from the body tissues and make echoes. Moreover, this transducer has passed the echoes to a computer and creates an image called a sonogram. The basic component of each ultrasound transducer is a piezoelectric crystal. It helps to create and yield the ultrasound waves. Presently, piezoelectric material has been employed in medical imaging systems. To improve image quality new types of crystal material and ultrasound probe technology have appeared. During the process of ultrasound scanning, doctors have to hold the probe tightly and apply force towards the patient’s scanning region through the probe. Doctors have to adjust the pressure by hand for scanning the region. This may lead to discomfort to the doctor. The examining gadget can be firmly combined with a metal divider and can understand modified or vertical checking; by utilizing a first modifying screw and a second changing screw which is orchestrated on the filtering gadget, the checking device can be flexibly balanced and further adjusts to examining of metal dividers with various bended surfaces and round surfaces; by arranging a sliding rear rod assembly(CN203745431U).
An ultrasound imaging framework that can naturally change the imaging parameters dependent on the first or prepared got echoes from the objective is introduced in this uncovered innovation. The modification is done through a shut circle negative input control framework iteratively. Imaging execution assessment parameters determined from the got echoes, unique or handled, are contrasted and preset limits that speak to wanted ideal imaging performances(US8235900B2). A computerized technique for identifying a disease state is introduced. This incorporates distinguishing a bone surface in at least one picture informational collections, wherein the at least one informational indexes compare to an area of enthusiasm for an object of interest. Moreover, the technique incorporates dividing a joint case area relating to at least one picture informational collections dependent on a comparing recognized bone surface. Furthermore, the strategy incorporates breaking down the sectioned joint container area to distinguish the disease state(US8777854B2).To overcome the above-mentioned problem faced by doctors/sonographers we have designed a setup, where a robotic arm holds the ultrasonic probe tightly, which provides required pressure.

Summary of the invention
In the present innovative invention, the ultrasound probe is hold by the robotic arm which is present in the setup and it is controlled through a mobile phone by a doctor/sonographer who is performing ultrasound scanning for a patient. The main intention is to reduce the stress for a doctor who is performing ultrasound scanning for patients regularly. During the scanning process doctor needs to hold the probe tightly and apply some pressure to get an accurate image, the total process takes more than 30 minutes, Throughout the process doctors need to hold the probe which may lead to stress on their hand. The striking features of this invention are this equipment can be easily operated by a doctor without applying more manual power. It is controlled through mobile phone and it is easily connected to any ones mobile phone via Bluetooth.

Detailed description of the invention
The embodiments of the present disclosure provide motorized ultrasound equipment where a robotic arm holds the ultrasonic probe tightly, and we use the sliding mechanism to move the setup from head to toe. It can also vary the pressure depending upon the person. The robotic arm moves horizontally and vertically motion. This setup is placed beside the patient’s bed.
With reference to figure 1 the ‘motorized ultrasound equipment’ is provided in accordance with an embodiment of the present disclosure. The 200rpm motor (1) which is attached to the threaded rod (6) to control the movement of the sliding movable aluminium block in the horizontal direction. The 5rpm motors (3) are provided to control the arm rods at the required position. The arm will be operated by the control unit interfaced with motor drivers for precise control. The mounting assembly of the sliding screw-nut mechanism (7) was provided to slide the arm placement rigidly to either side block. Through the sliding mechanism, the center aluminium block consists of a rotating mechanism(8), which will provide 360 degree operation that can be fulfilled by 60rpm motor(2) which is attached below the robotic arm unit and it is shown in figure 1. The micro worm gear motor (5) ensures the 360degrees rotation of the probe holder. The guiding system can able to move the arm set up on the threaded rod to which the motor is fixed and supporting guide rods (9). The movement of arm rods and placement (10) is done in a forward and backward motion. This forward and backward motion is done through the 5rpm motor (4), which is fixed to the arm that is stationary and its shaft is fixed to the arm that is to be moved (11). With reference to figure 2 all the motors are connected to motor drivers which drive the motors according to the logic given. The setup is controlled through the wireless remote or phone via Bluetooth.
Figure 3 shows the overall view of the circuit connection, in this Arduino is the control unit and Figure 4 shows the entire setup of the device. There are three aluminium blocks on which the entire setup is built. There are rods that are fixed to a rectangular aluminum block placed on either side of the setup and the third block is a movable one and is between the two blocks which give a sliding mechanism to the arm setup. The arm setup is placed on the sliding aluminium block. The movement to slide the aluminium block is given through the motor, which is fixed to the screw rod. The arm setup consists of four arms and motors to move the ultrasound probe as required. The motor shafts are fixed to the aluminium rods which form the robotic arm. At the end of the arm setup, the probe is fixed which rotates 360degrees as required by the doctor. The entire arm setup is capable of rotating 360degrees.

This remote is highly sensitive and accurate to the commands given by the user or doctor. This remote has a joystick in which each motor is programmed to individual channels. Hence each motor can be moved in clockwise or anti-clockwise motion individually, thereby moving the entire arm. This remote is equipped with the speed controlling mechanism to reduce the speed of the arm, in case of major detailed output. The entire setup can be driven in two ways either by a battery or the power supply. This setup consumes less power and also is capable of rotating to exact angles as given by the doctor. Doctors can use this motorized version of the ultrasound probe for scanning different body parts like neck, head, and also pregnant ladies. The level of pressure applying is varying with respect to the scanning region. Hence it can help doctors to avoid physical stress and accurate output production when working for long hours of time.
To operate, the technician with a transducer probe fixed to the motorized aluminium skeleton unit generates an image of different parts of the human body internally. Firstly there are two modes of operation. The first mode of operation is done through Bluetooth that is programmed to the phone, through which the logic is given. The phone has an application that has a different set of instructions that are equipped. The different commands are taken as “forward-1”, “backward-1”, which are programmed to the first part of the arm. “Forward-2”, “backward-2” are programmed to the second part of the arm movement. The rotation of the arm in 360degrees is programmed as “arm forward rotation”, “arm backward rotation”, which is in a clockwise and anti-clockwise rotation. The sliding motion of the arm setup is programmed as “slide-top” and “slide-bottom”. The probe holder 360degree rotation is programmed as “probe forward”, “probe backward”. The phone is connected via Bluetooth to the equipment. When the user or operator gives the command through the phone, then the phone transmits the command to the Bluetooth module of the equipment wirelessly. The Bluetooth module transfers the command to the microcontroller, which in turn performs the logic. The logic is received by the motor drivers from the microcontroller and drives the motors of the equipment according to the logic given. This operation can be performed through any phone operated by doctors or technicians.
The second mode of operation is done through radio frequency wireless transmitter and receiver. This transmitter and receiver have 6 channels and are equipped with predefined logic. The channel 1 joystick is set to the first part of the arm for forwarding and backward motion. The channel 2 joystick is set to the second part of the arm for forwarding and backward motion. The two potentiometers that are in the transmitter are set to the 360-degree turn of the robotic arm setup and also the probe holder respectively. The slide motion is set to the 3-way switch which gives forward sliding and backward sliding motion. The user or operator holds the transmitter and gives the commands through it wirelessly. Both the operations are accurate and wirelessly accessed by the operator, who needs no physical stress to perform the scanning process for long hours of time.

Brief description of Drawing
In the figures which are illustrated exemplary embodiments of the invention.
Figure 1 Schematic diagram of motorized ultrasound scan device.
Figure 2 Working flow of the motorized ultrasound scan device.
Figure 3 Circuit Architecture of motorized ultrasound scan device.
Figure 4 Motorized Ultrasound Scan Equipment.
Detailed description of the drawing
The embodiments of the present disclosure provide motorized ultrasound scanning equipment
Figure 1 gives the schematic view of a motorized ultrasound scan device. This setup consists of high torque motors to move the probe to the exact location on the body of the patient. This is Bluetooth controlled and can easily connect to the doctor’s phone; it is portable, easily operated, and highly durable. This equipment is designed with lightweight aluminum material.
Figure 2 describes the working flow of the automated ultrasound scanning device, the flow originated with remote control and connected wireless through Bluetooth module. Arduino Uno gives the response based on the instructions received from the Bluetooth module. Single Channel Monster Motor Driver is capable of driving a high-current motor.
Figure 3 illustrates the circuit architecture; these circuits show the connection between the Bluetooth module, motor driver, and the front and rear motor.
Figure 4 shows the motorized scanning device, it contains the robotic arm connected with the gear motor. The robotic arm is moved as per instructions given by the doctor.

Documents

Application Documents

# Name Date
1 202041049604-REQUEST FOR EXAMINATION (FORM-18) [13-11-2020(online)].pdf 2020-11-13
2 202041049604-FORM 18 [13-11-2020(online)].pdf 2020-11-13
3 202041049604-FORM 1 [13-11-2020(online)].pdf 2020-11-13
4 202041049604-DRAWINGS [13-11-2020(online)].pdf 2020-11-13
5 202041049604-COMPLETE SPECIFICATION [13-11-2020(online)].pdf 2020-11-13
6 202041049604-FER.pdf 2022-05-27

Search Strategy

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