Heart electrophysiological stimulator

By designing limit and protection devices in the cardiac electrophysiological stimulator, the problems of unlimited positioning and bump damage during movement are solved, and the stability and durability of the device are achieved.

CN222218437UActive Publication Date: 2024-12-24SHANTOU UNIV MEDICAL COLLEGE
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Patent Information

Application Number
CN202420682005.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2024-12-24
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

Existing cardiac electrophysiological stimulators are prone to unlimited positioning and bump damage during movement.

Method used

A cardiac electrophysiological stimulator including a limiting device and a protective device is designed. The limiting device supports the cardiac stimulator through a screw and a limiting spring to make it centered while moving; the protection device is passed through a buffer plate and a buffering spring Cut the impact force at the top and bottom ends to prevent damage to the device.

Benefits of technology

Effectively prevent cardiac electrophysiological stimulator from being damaged during movement, ensuring the stability and durability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a heart electrophysiological stimulator which comprises a lower groove plate 1, a limiting device 2 fixedly arranged on the inner wall of the lower groove plate 1, a heart stimulator 3 fixedly arranged on the surface of one side of the limiting device 2, an upper groove plate 4 fixedly arranged on the surface of one side of the lower groove plate 1, and a protection device 5 fixedly arranged on the inner wall of the upper groove plate 4. A buffer plate 105 is driven by a heart stimulator 4, a buffer rod 104 is driven by the buffer plate 105, a buffer spring 103 is driven by the buffer rod 104, the bottom end of the protection device is compressed by the buffer spring 103 in a buffer seat 102, a protection cushion 201 is driven by the top end of the heart stimulator 4, a movable seat 506 is driven by the protection cushion 201, a movable rod 507 is driven by the movable seat 506, the movable rod 507 pushes the movable seat 506, and a movable ring 505 is driven by the movable seat 506. The movable ring 505 moves in the movable groove 503 to protect the top end of the internal device, the heart stimulator 4 drives the limiting spring 204 and the compression ring 206, and the limiting spring 204 and the compression ring 206 are compressed, so that the device buffers all-directional impact.
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Description

Technical Field

[0001] The utility model relates to the field of cardiac electrophysiological stimulators, in particular to a cardiac electrophysiological stimulator. Background Art

[0002] Cardiac electrophysiological stimulator is an essential instrument for cardiovascular departments at all levels of hospitals to carry out transesophageal atrial pacing and intracardiac electrophysiological examinations. Cardiac electrophysiological examinations use a cardiac stimulator to emit direct current pulses to pace the atria through esophageal electrodes close to the heart, while recording surface and intraesophageal electrocardiograms to obtain electrophysiological parameters of various parts of the heart.

[0003] At present, the existing Chinese patent with announcement number CN213760224U discloses a cardiac electrophysiological stimulator, including a lower shell and an upper shell covering the lower shell, the side wall of the lower shell is provided with a slide groove and an adjustment port, the adjustment port is connected to one end of the slide groove; a slide rod is passed through the slide groove, one end of the slide rod is arranged in the adjustment port; a plurality of latches are arranged on the upper surface of the slide rod, and a latch groove corresponding to the latches is arranged on the side wall of the upper shell. This application has the effect of reducing the damage of the instrument during disassembly and installation. Although the device solves the above problems, the following problems also occur: the device has no restriction on positioning, and it is easy to be damaged by bumps during movement. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a cardiac electrophysiological stimulator, which aims to overcome the problem that the device has no restriction on positioning and is prone to bumps and damages during movement.

[0005] problem.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cardiac electrophysiological stimulator, comprising a lower slot plate 1, a limiting device 2 is fixedly arranged on the inner wall of the lower slot plate 1, a cardiac stimulator 3 is fixedly arranged on one side surface of the limiting device 2, an upper slot plate 4 is fixedly arranged on one side surface of the lower slot plate 1, and a protective device 5 is fixedly arranged on the inner wall of the upper slot plate 4;

[0007] The protection device 5 includes a protection cushion 501, a placement groove 502, a movable groove 503, a movable rail 504, a movable ring 505, a movable seat 506, a movable rod 507, a fixed seat 508, and a bottom plate 509. The protection cushion 501 has a placement groove 502 on one side surface, and the protective cushion 501 has a movable groove 503 fixedly disposed on the other side surface. The movable rail 504 is fixedly disposed inside the movable groove 503, and the movable ring 505 is sleeved on the outer periphery of the movable rail 504. The movable seat 506 is fixedly disposed on one side surface of the movable ring 505, and the movable rod 507 is fixedly disposed on the inner wall of the movable seat 506. The movable rod 507 has a fixed seat 508 on one side surface, and the bottom plate 509 is fixedly disposed on one side surface of the fixed seat 508.

[0008] As a further description of the above technical solution:

[0009] The movable groove 503 , movable rail 504 , movable ring 505 , movable seat 506 , movable rod 507 , and fixed seat 508 are all in two in number and are arranged in mirror-symmetrical positions. The movable ring 505 runs through the movable groove 503 .

[0010] As a further description of the above technical solution:

[0011] The limiting device 2 includes a mounting plate 201, a mounting screw 202, a mounting nut 203, a limiting spring 204, a limiting seat 205, and a compression ring 206. The mounting screw 202 is fixedly arranged on one side surface of the mounting plate 201, and the mounting nut 203 is sleeved on the outer periphery of the mounting screw 202. The limiting spring 204 is fixedly arranged on the other side surface of the mounting plate 201, and a limiting seat 205 is arranged on one side of the limiting spring 204, and a compression ring 206 is fixedly arranged inside the limiting seat 205.

[0012] As a further description of the above technical solution:

[0013] The number of the limiting seat 205 and the compression ring 206 are both two, and their positions are arranged in mirror symmetry. One side surface of the compression ring 206 is fixedly connected to the cardiac stimulator 3.

[0014] As a further description of the above technical solution:

[0015] The lower slot plate 1 includes a slot body 101, a buffer seat 102, a buffer spring 103, a buffer rod 104, and a buffer plate 105. The buffer seat 102 is fixedly arranged inside the slot body 101, the buffer seat 102 is arranged inside the buffer spring 103, the buffer rod 104 is arranged on the top end of the buffer spring 103, and the buffer plate 105 is fixedly arranged on the top surface of the buffer rod 104.

[0016] As a further description of the above technical solution:

[0017] The buffer seat 102 , the buffer spring 103 , the buffer rod 104 , and the buffer plate 105 are all three in number, and the buffer rod 104 passes through the buffer seat 102 .

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] The utility model is provided with a mounting screw rod 202 penetrating the inner wall of the groove body 101, and a rotating mounting nut 203, so that the mounting plate 201 is fixed to the inner wall of the groove body 101, the mounting plate 201 supports the limit spring 204 and the compression ring 206, the limit spring 204 and the compression ring 206 support the two ends of the cardiac stimulator 3, so that the device is conveniently fixed in the center during movement, the cardiac stimulator 4 drives the buffer plate 105, the buffer plate 105 drives the buffer rod 104, the buffer rod 104 drives the buffer spring 103, the shock absorbing spring 103 compresses the bottom end of the protection device in the buffer seat 102, and the heart stimulator 4 drives the buffer plate 105, and the buffer plate 105 drives the buffer rod 104, and the buffer rod 104 drives the buffer spring 103, and the shock absorbing spring 103 compresses the bottom end of the protection device in the buffer seat 102. The top of the cardiac stimulator 4 drives the protective cushion 201, the protective cushion 201 drives the movable seat 506, the movable seat 506 drives the movable rod 507, the movable rod 507 pushes the movable seat 506, the movable seat 506 drives the movable ring 505, the movable ring 505 moves in the movable groove 503 to protect the top of the internal device, and the cardiac stimulator 4 drives the limit spring 204 and the compression ring 206, the limit spring 204 and the compression ring 206 compress the reaction force to limit the two ends of the cardiac stimulator 4, so that the device buffers the impact force at the top, bottom and both sides to prevent the device from being damaged during movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of a cardiac electrophysiological stimulator proposed by the utility model;

[0022] Figure 2 This is a structural schematic diagram of a cardiac electrophysiological stimulator protection device proposed by the utility model;

[0023] Figure 3 This is a top view of the structure of a limiting device of a cardiac electrophysiological stimulator proposed by the utility model;

[0024] Figure 4 This is a front view of the internal structure of the lower slot plate of a cardiac electrophysiological stimulator proposed by the utility model;

[0025] In the figure: 1. lower slot plate; 2. limit device; 3. cardiac stimulator; 4. upper slot plate; 5. protection device; 501. protection cushion; 502. placement slot; 503. movable slot; 504. movable rail; 505. movable ring; 506. movable seat; 507. movable rod; 508. fixed seat; 509. bottom plate; 201. mounting plate; 202. mounting screw; 203. mounting nut; 204. limit spring; 205. limit seat; 206. compression ring; 101. slot body; 102. buffer seat; 103. buffer spring; 104. buffer rod; 105. buffer plate. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-2 The utility model provides an embodiment: a cardiac electrophysiological stimulator, comprising a lower slot plate 1, a limiting device 2 is fixedly arranged on the inner wall of the lower slot plate 1, a cardiac stimulator 3 is fixedly arranged on one side surface of the limiting device 2, an upper slot plate 4 is fixedly arranged on one side surface of the lower slot plate 1, and a protective device 5 is fixedly arranged on the inner wall of the upper slot plate 4;

[0028] The protective device 5 includes a protective cushion 501, a placement groove 502, a movable groove 503, a movable rail 504, a movable ring 505, a movable seat 506, a movable rod 507, a fixed seat 508, and a bottom plate 509. The protective cushion 501 has a placement groove 502 on one side, and the movable groove 503 is fixedly provided on the other side of the protective cushion 501. The movable groove 503 has a movable rail 504 fixedly provided inside, and the movable rail 504 is sleeved on the outer periphery of the movable rail 504. The movable ring 505 has a movable seat 506 fixedly provided on one side of the movable ring 505. 06, a movable rod 507 is fixedly provided on the inner wall of the movable seat 506, a fixed seat 508 is fixedly provided on one side of the movable rod 507, a bottom plate 509 is fixedly provided on one side surface of the fixed seat 508, the protective cushion 201 is driven by the top of the cardiac stimulator 4, the protective cushion 201 drives the movable seat 506, the movable seat 506 drives the movable rod 507, the movable rod 507 pushes the movable seat 506, the movable seat 506 drives the movable ring 505, the movable ring 505 moves in the movable groove 503 to protect the top of the internal device.

[0029] The movable groove 503, the movable rail 504, the movable ring 505, the movable seat 506, the movable rod 507 and the fixed seat 508 are all two in number and are positioned in a mirror-symmetrical manner. The movable ring 505 runs through the movable groove 503, and the buffering area of ​​the device is increased by the movable groove 503, the movable rail 504, the movable ring 505, the movable seat 506, the movable rod 507 and the fixed seat 508 are all two in number and are positioned in a mirror-symmetrical manner. The movable ring 505 runs through the movable groove 503.

[0030] The limiting device 2 includes a mounting plate 201, a mounting screw 202, a mounting nut 203, a limiting spring 204, a limiting seat 205, and a compression ring 206. A mounting screw 202 is fixedly arranged on one side surface of the mounting plate 201, and a mounting nut 203 is sleeved on the outer periphery of the mounting screw 202. A limiting spring 204 is fixedly arranged on the other side surface of the mounting plate 201. A limiting seat 205 is arranged on one side of the limiting spring 204, and a compression ring 206 is fixedly arranged inside the limiting seat 205. The mounting plate 201 is fixed to the inner wall of the slot body 101 by passing the mounting screw 202 through the inner wall of the slot body 101 and rotating the mounting nut 203. The mounting plate 201 supports the limiting spring 204 and the compression ring 206. The limiting spring 204 and the compression ring 206 support the two ends of the cardiac stimulator 3, so that the device can be conveniently fixed in the center during movement.

[0031] The number of compression rings 206 is two, and the positions are arranged in mirror symmetry, and the surface of one side of the compression ring 206 is fixedly connected with the cardiac stimulator 3. The number of compression rings 206 is two, and the positions are arranged in mirror symmetry, and the surface of one side of the compression ring 206 is fixedly connected with the cardiac stimulator 3 to improve the practicality of the device.

[0032] The lower slot plate 1 includes a slot body 101, a buffer seat 102, a buffer spring 103, a buffer rod 104, and a buffer plate 105. The buffer seat 102 is fixedly arranged inside the slot body 101, the buffer seat 102 is arranged inside the buffer spring 103, the buffer rod 104 is arranged on the top of the buffer spring 103, and the buffer plate 105 is fixedly arranged on the top surface of the buffer rod 104. The buffer plate 105 is driven by the cardiac stimulator 4, the buffer plate 105 drives the buffer rod 104, the buffer rod 104 drives the buffer spring 103, and the shock absorbing spring 103 compresses the bottom end of the protective device in the buffer seat 102.

[0033] The buffer seat 102, the buffer spring 103, the buffer rod 104, and the buffer plate 105 are all three in number, and the buffer rod 104 penetrates the buffer seat 102. The buffer seat 102, the buffer spring 103, the buffer rod 104, and the buffer plate 105 are all three in number, and the buffer rod 104 penetrates the buffer seat 10 to increase the force-bearing area of ​​the bottom end of the device.

[0034] Working principle: When the device is installed, the mounting screw 202 is passed through the inner wall of the slot body 101, and the mounting nut 203 is rotated to fix the mounting plate 201 on the inner wall of the slot body 101. The mounting plate 201 supports the limit spring 204 and the compression ring 206. The limit spring 204 and the compression ring 206 support the two ends of the cardiac stimulator 3, so that the device can be easily moved and fixed in the center. When the device is moving, the cardiac stimulator 4 drives the buffer plate 105, the buffer plate 105 drives the buffer rod 104, the buffer rod 104 drives the buffer spring 103, and the shock absorbing spring 103 is in the buffer seat 102. The bottom end of the device is compressed and protected, and at the same time, the top end of the cardiac stimulator 4 drives the protective cushion 201, the protective cushion 201 drives the movable seat 506, the movable seat 506 drives the movable rod 507, the movable rod 507 pushes the movable seat 506, the movable seat 506 drives the movable ring 505, and the movable ring 505 moves in the movable groove 503 to protect the top end of the internal device, and the cardiac stimulator 4 drives the limit spring 204 and the compression ring 206, and the compression reaction force of the limit spring 204 and the compression ring 206 limits the two ends of the cardiac stimulator 4, so that the device can buffer the impact force at the top and bottom ends to prevent the device from being damaged during movement.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cardiac electrophysiological stimulator, comprising a lower slot plate (1), characterized in that: A limiting device (2) is fixedly arranged on the inner wall of the lower slot plate (1), a cardiac stimulator (3) is fixedly arranged on one side surface of the limiting device (2), an upper slot plate (4) is fixedly arranged on one side surface of the lower slot plate (1), and a protective device (5) is fixedly arranged on the inner wall of the upper slot plate (4); The protection device (5) comprises a protection cushion (501), a placement groove (502), a movable groove (503), a movable rail (504), a movable ring (505), a movable seat (506), a movable rod (507), a fixed seat (508), and a bottom plate (509). The protection cushion (501) is provided with a placement groove (502) on one side surface, the protection cushion (501) is fixedly provided with a movable groove (503) on the other side surface, the movable groove (503) is fixedly provided with a movable rail (504) inside, the movable rail (504) is sleeved with a movable ring (505) on the outer periphery, the movable seat (506) is fixedly provided on one side surface of the movable ring (505), the movable seat (506) is fixedly provided on the inner wall of the movable seat (506), the movable rod (507) is fixedly provided on one side of the movable rod (507), and the fixed seat (508) is fixedly provided on one side surface of the fixed seat (508). The bottom plate (509) is fixedly provided on one side surface of the fixed seat (508).

2. A cardiac electrophysiological stimulator according to claim 1, characterized in that: The movable groove (503), movable rail (504), movable ring (505), movable seat (506), movable rod (507), and fixed seat (508) are all two in number and are arranged in mirror-symmetrical positions. The movable ring (505) passes through the movable groove (503).

3. A cardiac electrophysiological stimulator according to claim 1, characterized in that: The limiting device (2) comprises a mounting plate (201), a mounting screw (202), a mounting nut (203), a limiting spring (204), a limiting seat (205), and a compression ring (206); a mounting screw (202) is fixedly arranged on one side surface of the mounting plate (201); a mounting nut (203) is sleeved on the outer periphery of the mounting screw (202); a limiting spring (204) is fixedly arranged on the other side surface of the mounting plate (201); a limiting seat (205) is arranged on one side of the limiting spring (204); and a compression ring (206) is fixedly arranged inside the limiting seat (205).

4. A cardiac electrophysiological stimulator according to claim 3, characterized in that: The number of the limiting seats (205) and the number of the compression rings (206) are both two, and their positions are arranged in a mirror-symmetrical manner. The surface of one side of the compression ring (206) is fixedly connected to the cardiac stimulator (3).

5. A cardiac electrophysiological stimulator according to claim 1, characterized in that: The lower slot plate (1) comprises a slot body (101), a buffer seat (102), a buffer spring (103), a buffer rod (104), and a buffer plate (105); the buffer seat (102) is fixedly arranged inside the slot body (101); the buffer spring (103) is arranged inside the buffer seat (102); the buffer rod (104) is arranged at the top end of the buffer spring (103); and the buffer plate (105) is fixedly arranged on the top surface of the buffer rod (104).

6. A cardiac electrophysiological stimulator according to claim 5, characterized in that: The buffer seat (102), the buffer spring (103), the buffer rod (104), and the buffer plate (105) are all three in number, and the buffer rod (104) passes through the buffer seat (102).

Citation Information

Patent Citations

  • Heart electrophysiological stimulator

    CN213760224U