DESC:Field of Invention
This invention relates to the field of rehabilitation exercise equipment, specifically a cardiovascular rehabilitation training and nursing device designed to aid postoperative recovery for patients with cardiovascular conditions. It integrates an adjustable exercise resistance system, allowing personalized training intensity based on patient needs. The device features a seat-integrated exercise mechanism with foot pedals, rotating cranks, and a sliding resistance adjustment system, improving muscle recovery and circulation. By addressing the limitations of fixed-intensity rehabilitation devices, this innovation enhances patient comfort, safety, and therapeutic effectiveness. It is particularly useful in hospitals, rehabilitation centers, and home care settings for guided cardiovascular recovery.
BACKGROUND OF THE INVENTION
Cardiovascular diseases often require postoperative rehabilitation to restore mobility, improve circulation, and strengthen muscles weakened by prolonged bed rest. Existing rehabilitation devices are commonly used to assist patients in regaining physical function, but they suffer from several limitations.
One major drawback is that most traditional rehabilitation devices offer fixed resistance levels, which do not adapt to the varying needs of different patients. This lack of adjustability makes it difficult for individuals at different recovery stages to progressively enhance their strength without overexertion or inadequate stimulation. Additionally, some devices require manual intervention by medical staff to adjust settings, making them less efficient and inconvenient for personalized rehabilitation.
Prior solutions have attempted to incorporate adjustable training mechanisms, but they often rely on complex mechanical structures or electronic control systems, increasing cost and maintenance difficulties. Furthermore, many conventional devices lack safety features, such as secure restraints or customizable seating, which can lead to discomfort or instability during use, especially for elderly or weakened patients.
Need for the Invention
To address these challenges, there is a need for a versatile, easy-to-adjust cardiovascular rehabilitation device that allows patients to customize exercise intensity without requiring extensive external assistance. The ideal solution should integrate a simple yet effective resistance adjustment mechanism, ensuring progressive training adaptability. Additionally, improved safety features, enhanced comfort, and mobility would make rehabilitation more effective and accessible for a wider range of patients, whether in hospitals, rehabilitation centers, or home settings.
This invention fulfills these requirements by introducing a novel cardiovascular rehabilitation training and nursing device with an adjustable resistance system, ergonomic design, and enhanced safety measures, ultimately improving rehabilitation outcomes.
OBJECT OF THE INVENTION
The primary objective of this invention is to develop an adjustable cardiovascular rehabilitation training and nursing device that enhances postoperative recovery for patients with cardiovascular conditions. This device aims to provide a customizable exercise experience by incorporating an adjustable resistance mechanism, allowing patients to modify training intensity based on their recovery progress.
Additionally, this invention seeks to improve patient comfort and safety through an ergonomic seating design, secure restraints, and mobility features, ensuring stability during use. By addressing the limitations of fixed-intensity rehabilitation devices, this invention enhances rehabilitation efficiency, patient independence, and overall recovery outcomes, making it suitable for hospitals, rehabilitation centers, and home care settings.
SUMMARY OF THE INVENTION
This invention introduces a cardiovascular rehabilitation training and nursing device designed to enhance postoperative recovery by providing adjustable exercise intensity based on a patient’s condition. Unlike traditional rehabilitation equipment with fixed resistance levels, this device features a novel adjustable resistance mechanism that allows progressive training customization without external assistance.
The device consists of a seat-integrated exercise system with rotating cranks, foot pedals, and a sliding resistance adjustment system. A combination of gears, sliding blocks, and springs enables smooth resistance modification, ensuring optimal training intensity for patients at different recovery stages. The inclusion of secure restraints, ergonomic seating, and mobility-enhancing components ensures patient safety, comfort, and stability during use.
By offering personalized rehabilitation, this invention overcomes the limitations of conventional devices, improving rehabilitation efficiency, reducing medical supervision requirements, and supporting independent recovery in hospitals, rehabilitation centers, and home care settings.
DETAILED DESCRIPTION OF THE INVENTION
This invention relates to a cardiovascular rehabilitation training and nursing device designed to assist patients in post-surgical recovery by providing a customizable exercise mechanism. The device enables adjustable training intensity, ensuring a progressive rehabilitation process tailored to individual patient needs.
1. Structural Design and Components
The device primarily consists of the following components:
(a) Seat Assembly
• The device includes a sturdy frame with a seating system to provide stability and comfort.
• The seat is equipped with an adjustable backrest and headrest to accommodate different user positions.
• Armrests with secure straps are provided to enhance patient safety.
• The seat and frame are mounted on universal wheels, allowing easy mobility and positioning.
(b) Adjustable Exercise Mechanism
The core feature of the invention is its customizable resistance training system, which comprises:
• Rotating cranks (10): These are connected to the foot pedals (11) and mounted on a supporting frame (2).
• Sliding resistance system: The cranks are linked to a resistance-adjusting mechanism that allows the effective length of the crank to change, modifying the force required for movement.
• Connecting rods (18) and sliding blocks (20): These components adjust movement resistance by altering the force applied through a spring-based tension system.
• Adjustable spring mechanism (19): A built-in compression spring housed within a sliding cylinder (13) provides resistance, ensuring smooth motion.
(c) Resistance Adjustment System
• The device includes a rotary knob or lever mechanism (12) to fine-tune resistance.
• A gear-based locking system (16) secures the resistance setting to prevent accidental changes during use.
• The adjustment mechanism works by shifting the sliding block (20) along the support structure, altering the resistance applied to the pedals.
2. Working Principles and Operation
The device functions by allowing the user to sit securely in the seat, place their feet on the pedals, and perform controlled pedaling motions to engage cardiovascular activity.
Step-by-Step Usage:
1. Patient Positioning:
o The user sits in the ergonomically designed seat and secures the adjustable safety straps (6) around the arms and legs.
o Foot placement is ensured on the pedals (11), which are equipped with a non-slip surface.
2. Adjusting Exercise Resistance:
o The adjustment mechanism (12) is used to set the desired resistance level.
o The crank’s rotational length is altered to increase or decrease the difficulty.
o The spring-based resistance system (19) is engaged to provide smooth force modulation.
3. Exercise Execution:
o The patient begins pedaling, causing the cranks (10) to rotate.
o As the cranks turn, the movement is transferred to the sliding block (20) via connecting rods (18).
o The resistance spring (19) provides force opposition, ensuring effective muscle engagement.
4. Monitoring and Adjustment:
o If needed, caregivers or the user can adjust the resistance setting mid-exercise to match patient endurance levels.
o The secure locking system prevents unintended shifts in intensity during operation.
5. Post-Exercise Storage and Mobility:
o The universal wheels (1) allow for easy repositioning or storage.
o A folding or collapsible design may be incorporated in certain versions to enhance portability.
3. Best Mode of Working the Invention
The optimal use case of this device is in hospital rehabilitation wards, physiotherapy centers, and home care settings where patients require progressive cardiovascular training after surgery. The best operational method involves:
• Starting with a low resistance setting and gradually increasing intensity based on patient progress.
• Using the secure strap system to ensure stability, especially for elderly or weakened patients.
• Engaging a caregiver or medical professional for supervision when necessary, particularly during early rehabilitation stages.
• Ensuring regular maintenance of the mechanical components to sustain long-term durability.
Technical Advancements and Novel Features
1. Adaptive Resistance Control – Allows real-time intensity adjustments without external intervention.
2. Ergonomic Safety Design – Ensures stability, comfort, and user security.
3. Modular and Portable Structure – Facilitates easy transportation and storage.
4. Efficient Load Distribution – Prevents excessive strain on any single muscle group, promoting balanced recovery.
This invention significantly improves patient rehabilitation efficiency by combining customizable resistance, secure design, and ease of use, addressing the limitations of conventional fixed-intensity rehabilitation equipment.
DESCRIPTION OF DRAWINGS
Figure 1: Overall Structural Design
• This figure provides a general schematic of the entire rehabilitation device, including the seat assembly, support frame, foot pedals, and resistance adjustment mechanism.
• It illustrates how the various components, such as the seat, backrest, armrests, and mobility wheels, are arranged to support patient rehabilitation.
Figure 2: Exercise Mechanism Structure
• This figure focuses on the mechanical training system, showcasing the rotating cranks, foot pedals, and adjustable resistance system.
• It highlights the connections between the cranks and the resistance control system, which allows users to modify the training intensity according to their needs.
Figure 3: Internal Structure of the Exercise Mechanism
• This figure provides a detailed breakdown of the internal components, including the sliding resistance system, adjustable springs, and locking mechanism.
• It explains how force is transferred from the pedals through the cranks, adjusting the resistance via the spring-loaded mechanism.
• The figure also depicts the engagement of the sliding block and adjustment structure, which enables users to change the effective crank length and resistance level ,CLAIMS:Independent and Dependent Claims
Independent Claim
1. A cardiovascular rehabilitation training and nursing device, comprising:
• A seat assembly with an adjustable backrest, armrests, and safety restraints for patient stability and comfort.
• A support frame equipped with universal wheels to allow easy movement and positioning.
• A rotating crank system connected to foot pedals, enabling controlled movement for rehabilitation exercises.
• A sliding resistance adjustment mechanism, further comprising:
o Connecting rods and sliding blocks that modify resistance levels.
o A spring-based tension system that provides smooth and adjustable resistance.
• A manual adjustment mechanism allowing users to customize resistance levels in real-time, ensuring adaptable training intensity.
This independent claim defines the core structure and functionality of the invention without referring to any other claim.
Dependent Claims
2. The device of Claim 1, wherein:
• The resistance mechanism includes a locking system to secure the selected intensity level during use.
3. The device of Claim 1, wherein:
• The foot pedals are equipped with non-slip surfaces for enhanced safety and grip.
4. The device of Claim 1, further comprising:
• Adjustable armrests and footrests to accommodate different patient sizes and comfort levels.
5. The device of Claim 1, wherein:
• The frame and seat assembly are made of lightweight, durable materials for portability and long-term use.
6. The device of Claim 1, further comprising:
• A foldable or collapsible design for easy storage and transportation.