Writing devices for myasthenia

By designing a muscular weakness patient writing device combining X sliding assembly and Y sliding assembly, the problem of supporting and moving the arms in the prior art is solved, and the ability of patients to write independently in uneven environments is realized, and the convenience and comfort of writing are improved.

CN111546808BActive Publication Date: 2025-03-04XIEHE HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI & TECH UNIV
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN201910387985.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2019-05-10
Publication Date
2025-03-04
Estimated Expiration
2039-05-10

AI Technical Summary

Technical Problem

The prior art is difficult to effectively support the arms and pen holder of patients with muscle weakness, resulting in patients requiring frequent help from others during the writing process and it is difficult to write in an uneven environment.

Method used

A writing device for patients with muscle weakness is designed, adopting a structure that combines the X-sliding assembly and the Y-sliding assembly. The support plate is equipped with an arc-shaped support rod and a universal movable rod. The pen clamping mechanism can adjust the position of the pen. The sliding groove element and the sliding element are used in conjunction to reduce the resistance to arm movement.

Benefits of technology

The device can better support and move the arms of patients with muscle weakness, reduce the difficulty of writing, and allow patients to write independently in bed or uneven environments, improving the convenience and comfort of writing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN111546808B_ABST
    Figure CN111546808B_ABST
Patent Text Reader

Abstract

The present invention relates to a writing device for myasthenia patients, comprising a base, an X-sliding assembly is arranged on the base, a Y-sliding assembly is slidably arranged on the X-sliding assembly; a support plate is slidably arranged on the Y-sliding assembly; a support rod is arranged on the support plate, one end of the support rod is connected to a universal movable rod, and an adapter is arranged on the universal movable rod away from one end of the support rod; a pen-holding mechanism is arranged at the lower part of the adapter. The beneficial effects are: the pen can be better supported, which is convenient for myasthenia patients to write; the myasthenia patients can better move their arms, and the arms can be better supported, and the patients can move their arms autonomously, which is conducive to autonomous writing.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention belongs to the field of medical equipment, and in particular relates to a writing device for myasthenia patients. Background Art

[0002] Some patients, such as those with myasthenia gravis, can barely write, but because they are unable to position their arms or hold the pen steadily, they need the help of their family or medical workers to hold the pen steady. This is often cumbersome for patients, and wastes everyone's time, making them anxious, hindering them from actively expressing their inner feelings through writing, and making them unwilling to exercise their finger joints and muscles through frequent writing.

[0003] Therefore, some technicians have studied some pen holder support devices, such as the technology disclosed in the CN202896037U patent, which plays a supporting role for the pen and reduces the burden of holding the pen to a certain extent. However, this writing device also has many inconveniences. Although it can play a supporting role for the pen, the patient still needs to raise his arm to hold the pen, and the patient's arm is still difficult to support;

[0004] During the writing process, the arms need to move frequently to write the next word, but it is difficult for patients with myasthenia to move their arms conveniently, which will also affect the patients' writing.

[0005] For this reason, some new products have emerged, which provide a support plate and then set universal wheels on the lower surface of the support plate; however, the universal wheels can only be applied to flat desktops and are difficult to use on uneven surfaces such as hospital beds. Summary of the invention

[0006] In view of the above problems, the present invention provides a writing device for myasthenia patients, which mainly solves the problems that the prior art cannot well support the pen to facilitate writing and cannot better facilitate bedridden patients to write in bed.

[0007] In order to solve the above problems, the present invention adopts the following technical solutions:

[0008] A writing device for myasthenia gravis comprises a base, an X sliding assembly is arranged on the base, and a Y sliding assembly is slidably arranged on the X sliding assembly;

[0009] A support plate is slidably provided on the Y sliding assembly;

[0010] The support plate is provided with a support rod, one end of the support rod is connected to a universal movable rod, and an adapter is provided at one end of the universal movable rod away from the support rod; a pen clamping mechanism is provided at the lower part of the adapter;

[0011] The X sliding assembly or the Y sliding assembly comprises a sliding groove element and a sliding element; the sliding element slides in the sliding groove element;

[0012] The sliding groove element comprises a sliding groove with a "+"-shaped cross section, wherein the two side walls and the bottom surface of the sliding groove are provided with a first sliding groove, a second sliding groove, and a third sliding groove along the length direction; sliding balls are arranged in the first sliding groove, the second sliding groove, and the third sliding groove; the strip-shaped sliding opening of the sliding groove is connected to the upper surface of the sliding groove element;

[0013] The sliding element includes a sliding part with a "+"-shaped cross-section; when the sliding part is slidably disposed in the sliding groove, the first sliding part, the second sliding part, and the third sliding part of the sliding part are respectively located in the first sliding groove, the second sliding groove, and the third sliding groove; the ends of the first sliding part, the second sliding part, and the third sliding part can all abut against the sliding ball.

[0014] Preferably, the support rod is an arc-shaped structure; one end of the support rod is inserted into the clamping hole of the support plate.

[0015] Preferably, the universal movable rod comprises a movable rod and a first universal ball and a second universal ball arranged at two ends of the movable rod.

[0016] Preferably, one end of the support rod connected to the universal movable rod is rotatably provided with two first clamping blocks, and first rotation grooves are provided on the opposite surfaces of the two first clamping blocks.

[0017] Preferably, two second clamping blocks are provided at one end of the adapter connected to the universal movable rod, and second rotation grooves are provided on the opposite surfaces of the two second clamping blocks.

[0018] Preferably, the upper surface of the support plate is arc-shaped; and a supporting cotton layer is provided on the upper surface of the support plate.

[0019] Preferably, the sliding groove element of the X sliding assembly is arranged on the base, and the sliding element is connected to the lower surface of the Y sliding assembly; the sliding element of the Y sliding assembly is connected to the lower surface of the support plate.

[0020] The beneficial effects of the present invention are:

[0021] 1. It can better support the pen and make it easier for patients with myasthenia to write;

[0022] 2. It enables myasthenia patients to move their arms better and their arms to be better supported. Patients can move their arms independently, which is conducive to independent writing;

[0023] 3. The arm can move better, the sliding component has less resistance, and the structure is more reasonable, which reduces the difficulty for patients to move their arms;

[0024] 4. It is convenient for patients to write on the hospital bed, reducing environmental restrictions. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional structural schematic diagram of the present invention;

[0026] Figure 2 It is a three-dimensional schematic diagram of the sliding groove element of the present invention;

[0027] Figure 3 It is a three-dimensional schematic diagram of the sliding element of the present invention;

[0028] Figure 4 It is an exploded diagram of the connection relationship of the sliding mechanism structure of the present invention;

[0029] Figure 5 It is a schematic diagram of the base and support plate structure of the present invention.

[0030] In the figure:

[0031] 10 base, 11X sliding assembly, 12Y sliding assembly, 20 support plate, 31 support rod, 310 first block, 311 first rotating groove, 32 universal movable rod, 320 sliding rod, 321 first universal ball, 322 second universal ball, 33 adapter, 330 second block, 331 second rotating groove, 100 sliding groove element, 101 first sliding groove, 102 second sliding groove, 103 third sliding groove, 104 sliding ball, 105 strip sliding opening, 200 rotating element, 201 first sliding member, 202 second sliding member, 203 third sliding member, 204 fourth sliding member. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with the accompanying drawings:

[0033] like Figure 1 , 5 As shown in the figure, the writing device for myasthenia patients comprises a base 10, on which an X sliding assembly 11 is provided, on which a Y sliding assembly 12 is slidably provided; the Y sliding assembly 12 can slide on the X sliding assembly 11 along the X-axis direction;

[0034] The Y sliding assembly 12 is slidably provided with a support plate 20 , and the support plate 20 can slide along the Y-axis direction on the Y sliding assembly 12 . In summary, the support plate 20 can move universally on a plane relative to the base 10 .

[0035] The support plate 20 is provided with a support rod 31, one end of which is connected to a universal movable rod 32, and the universal movable rod 32 can swing in universal directions relative to the support rod 31;

[0036] The universal movable rod 32 is provided with an adapter 33 at one end away from the support rod 31, and the adapter 33 can be universally rotated relative to the universal movable rod 32; a pen holding mechanism 332 is provided at the lower part of the adapter 33; the pen can be connected to the adapter 33 through the pen holding mechanism 332, so that the position of the pen can be adjusted arbitrarily.

[0037] The support rod 31 is an arc-shaped structure; when the arm is placed on the support plate 20, the arc-shaped support rod 31 can better save space, so that the upper end of the support rod 31 can be located above the hand;

[0038] One end of the support rod 31 is inserted into the clamping hole 21 of the support plate 20 , wherein the clamping hole 21 is also an arc-shaped clamping hole, so that the support rod 31 can be better matched and inserted into the clamping hole 21 .

[0039] like Figure 1 As shown in the upper middle part, the universal movable rod 32 includes a movable rod 320 and a first universal ball 321 and a second universal ball 322 disposed at both ends of the movable rod 320;

[0040] One end of the support rod 31 connected to the universal movable rod 32 is rotatably provided with two first clamping blocks 310, and the first clamping blocks 310 can rotate relative to the main body of the support rod 31;

[0041] like Figure 1 The first clamping block 310 can rotate in the left and right directions, and the first rotating grooves 311 are provided on the opposite surfaces of the two first clamping blocks 310;

[0042] Two second clamping blocks 330 are provided at one end of the adapter 33 connected to the universal movable rod 32, and second rotation grooves 331 are provided on the opposite surfaces of the two second clamping blocks 330;

[0043] The first universal ball 321 is clamped in the two first rotation grooves 311 , and the first universal ball 321 can rotate in one rotation groove 311 ; the second universal ball 322 is clamped in the two second rotation grooves 331 , and the second universal ball 322 can rotate in the two second rotation grooves 331 .

[0044] The upper surface of the support plate 20 is arc-shaped; a support cotton layer is provided on the upper surface of the support plate 20. When the arm is placed on the support plate 20, the arc-shaped support plate 20 can better support the arm, and the support cotton layer can improve the comfort of the arm support.

[0045] The X sliding assembly 11 or the Y sliding assembly 12 includes a sliding slot element 100 and a sliding element 200 ; the sliding element 200 slides in the sliding slot element 100 .

[0046] like Figure 2As shown in , the sliding groove element 100 includes a sliding groove with a "+"-shaped cross section, and the sliding grooves are all arranged along the length direction of the sliding component;

[0047] The first sliding groove 101, the second sliding groove 102, and the third sliding groove 103 are provided on both side walls and the bottom surface of the sliding groove along the length direction; a plurality of sliding balls 104 are arranged in the first sliding groove 101, the second sliding groove 102, and the third sliding groove 103, and the sliding balls 104 are neatly arranged; a plurality of ball grooves are provided on the inner walls of the first sliding groove 101, the second sliding groove 102, and the third sliding groove 103, and the sliding balls 104 are arranged in the ball grooves, so that the sliding balls 104 can roll in the ball grooves;

[0048] The strip-shaped sliding opening 105 of the sliding groove is connected to the upper surface of the sliding groove element 100 .

[0049] like Figure 3 As shown in , the sliding element 200 includes a sliding member with a "+"-shaped cross section, and the sliding members are arranged along the length direction of the sliding assembly. The length of the sliding member is less than the length of the sliding assembly, and the length of the sliding member is generally 3-4 times the outer diameter of the sliding ball 104;

[0050] Combination Figure 4 When the sliding member is slidably disposed in the sliding groove, the first sliding member 201, the second sliding member 202, and the third sliding member 203 of the sliding member are respectively located in the first sliding groove 101, the second sliding groove 102, and the third sliding groove 103; the ends of the first sliding member 201, the second sliding member 202, and the third sliding member 203 can all abut against the sliding ball 104;

[0051] When the sliding member slides in the sliding groove, each sliding ball 104 tends to rotate, so that the sliding member can slide more smoothly, while ensuring that each sliding ball 104 will not roll around in the sliding groove.

[0052] Compared with ordinary pulleys, the sliding member can slide more smoothly, which is more conducive to the movement of the arm of the myasthenia patient.

[0053] The sliding groove element 100 of the X sliding assembly 11 is disposed on the base 10 , and the sliding element 200 is connected to the lower surface of the Y sliding assembly 12 ; the sliding element 200 of the Y sliding assembly 12 is connected to the lower surface of the support plate 20 .

[0054] During use, the arm is placed on the support plate 20, and then the pen can be adjusted to a corresponding position in front of the support plate 20 through the universal movable rod 32, so that the hand can hold the pen.

[0055] At the same time, since the base 10 can be placed in any position, such as on a hospital bed, the arm can move relative to the base 10, thereby realizing operations such as changing lines during the shoe operation.

[0056] The “up, down, left, and right” mentioned in this article are all Figure 1 The directions are for reference only and are for ease of expression and have no other special meanings.

[0057] It will be clear to those skilled in the art that various modifications to the above embodiments may be made without departing from the overall spirit and concept of the present invention. All of these modifications fall within the scope of protection of the present invention. The protection scheme of the present invention shall be subject to the claims attached to the present invention.

Claims

1. A writing device for myasthenia gravis, characterized in that: It comprises a base (10), an X sliding assembly (11) being provided on the base (10), and a Y sliding assembly (12) being slidably provided on the X sliding assembly (11); A support plate (20) is slidably provided on the Y sliding assembly (12); The support plate (20) is provided with a support rod (31), one end of the support rod (31) is connected to a universal movable rod (32), and an adapter (33) is provided at one end of the universal movable rod (32) away from the support rod (31); a pen-holding mechanism (332) is provided at the lower part of the adapter (33); The X sliding assembly (11) or the Y sliding assembly (12) comprises a sliding groove element (100) and a sliding element (200); the sliding element (200) slides in the sliding groove element (100); The sliding groove element (100) comprises a sliding groove with a "+"-shaped cross section, wherein the two side walls and the bottom surface of the sliding groove are provided with a first sliding groove (101), a second sliding groove (102), and a third sliding groove (103) along the length direction; sliding balls (104) are provided in the first sliding groove (101), the second sliding groove (102), and the third sliding groove (103); the strip-shaped sliding opening (105) of the sliding groove is connected to the upper surface of the sliding groove element (100); The sliding element (200) comprises a sliding member with a "+"-shaped cross section; when the sliding member is slidably arranged in the sliding groove, the first sliding member (201), the second sliding member (202), and the third sliding member (203) of the sliding member are respectively located in the first sliding groove (101), the second sliding groove (102), and the third sliding groove (103); the ends of the first sliding member (201), the second sliding member (202), and the third sliding member (203) can all abut against the sliding ball (104); The support rod (31) is an arc-shaped structure; one end of the support rod (31) is inserted into the clamping hole (21) of the support plate (20).

2. The writing device for myasthenia gravis according to claim 1, characterized in that: The universal movable rod (32) comprises a movable rod (320) and a first universal ball (321) and a second universal ball (322) arranged at two ends of the movable rod (320).

3. The writing device for myasthenia gravis according to claim 2, characterized in that: One end of the support rod (31) connected to the universal movable rod (32) is rotatably provided with two first clamping blocks (310), and first rotation grooves (311) are provided on opposite surfaces of the two first clamping blocks (310).

4. The writing device for myasthenia gravis according to claim 2, characterized in that: Two second clamping blocks (330) are provided at one end of the adapter (33) connected to the universal movable rod (32), and second rotation grooves (331) are provided on the opposite surfaces of the two second clamping blocks (330).

5. The writing device for myasthenia gravis according to claim 1, characterized in that: The upper surface of the support plate (20) is arc-shaped; and a support sponge layer is provided on the upper surface of the support plate (20).

6. The writing device for myasthenia gravis according to claim 1, characterized in that: The sliding groove element (100) of the X sliding assembly (11) is arranged on the base (10), and the sliding element (200) is connected to the lower surface of the Y sliding assembly (12); and the sliding element (200) of the Y sliding assembly (12) is connected to the lower surface of the support plate (20).

Citation Information

Patent Citations

  • Pen capable of preventing crooked writing

    CN202896037U

  • Writing device for myasthenia patient

    CN210415997U