In-vitro fixing device for electrode wire

Abstract

The utility model relates to an electrode lead external fixing device in the technical field of medical surgical instruments. A locking assembly used for being matched with a fixing assembly to clamp and fix an electrode lead is arranged at the left end of the fixing assembly. The second fixing device comprises a first binding assembly fixedly installed at the bottom end of the fixing assembly, and a second binding assembly used for being matched with the first binding assembly to fix the first fixing device to the position close to the root of the thigh is arranged below the first binding assembly. During use, a bolt and a buckle are clamped and matched, so that a first binding belt and a second binding belt are matched to fix a first fixing device near the root of a thigh of a patient, then an electrode wire is placed in a first clamping block and a second clamping block, and then an operation plate locking rod is driven to move leftwards; and then a locking plate at the bottom end of the first clamping block is inserted into a second clamping block, finally, a compressed spring is utilized to drive a locking rod at the right end of a limiting plate to be inserted into the locking plate, and the electrode wire can be clamped and fixed through the first clamping block and the second clamping block.

Description

Technical Field

[0001] The utility model relates to the technical field of medical surgical instruments, in particular to an in vitro fixing device for an electrode wire. Background Art

[0002] Atrial arrhythmia is the most common arrhythmia clinically. Long-term drug treatment has great side effects and poor efficacy. With the development of catheter ablation technology, radiofrequency ablation is widely used in the treatment of atrial arrhythmia. Coronary sinus electrode implantation is required during the operation to serve as a reference for atrial model and excitation mapping, to indicate the location of the bypass and the source of atrial tachycardia and atrial flutter, etc., so that the surgeon can better find the target. Therefore, a properly positioned and stable coronary sinus electrode plays a very important role. As shown in the coronary sinus space bend mapping electrode catheter with Chinese patent application number CN201920883051.1, in view of the complex structure of the coronary sinus, the distal end of the catheter is bent into an L-shape, and the ring-shaped plane forms an angle with the catheter, which can easily make the electrode at the distal end of the catheter enter the coronary sinus orifice, and the electrode is closely attached to the inner wall of the coronary sinus, and the data signal acquisition is stable.

[0003] However, when the coronary sinus decapolar electrode wire is inserted into the coronary vein for potential mapping, due to the lack of a device to fix the coronary sinus decapolar electrode wire, the coronary sinus decapolar electrode wire may be displaced under the action of external force, making it inconvenient to map the potential of the coronary sinus decapolar electrode wire and also affecting the safety of the operation. Summary of the invention

[0004] In order to solve the problem raised in the above-mentioned background technology that when the coronary sinus decapolar electrode wire is inserted into the coronary vein for potential mapping, due to the lack of a device to fix the coronary sinus decapolar electrode wire, the coronary sinus decapolar electrode wire may be displaced under the action of external force, making it inconvenient to map the potential of the coronary sinus decapolar electrode wire and also affecting the safety of the operation, the utility model provides the following technical solution.

[0005] An electrode wire extracorporeal fixation device comprises a handle device for controlling the electrode wire to be inserted into a coronary vein, a fixing device 1 for clamping and fixing the electrode wire is arranged below the electrode wire, and a fixing device 2 for fixing the fixing device 1 is arranged at the bottom end of the fixing device 1.

[0006] The first fixing device comprises a fixing assembly arranged above the handle device, and a locking assembly for cooperating with the fixing assembly to clamp and fix the electrode wire is arranged at the left end of the fixing assembly.

[0007] The second fixing device comprises a tightening component 1 fixedly mounted at the bottom end of the fixing component, and a tightening component 2 is arranged below the first tightening component for cooperating with the first tightening component to fix the first fixing device near the root of the thigh.

[0008] Furthermore, the fixing component includes a clamping block 2 fixedly mounted on the top of the tightening component 1, and a clamping block 1 is arranged above the clamping block 2 for cooperating with the clamping block 2 to clamp and fix the electrode wire.

[0009] Furthermore, a hinge block for hinged connection with the clamping block 2 is fixedly installed at the bottom end of the clamping block 1, and a locking plate for inserting into the clamping block 2 and cooperating with the locking assembly to clamp and fix the electrode wire is fixedly installed at the bottom end of the clamping block 1.

[0010] Furthermore, the locking assembly includes a fixed column fixedly installed on the left end of the second clamping block, a movable column for moving left and right is arranged in the column cavity of the fixed column, and a limiting plate for preventing the movable column from escaping from the fixed column is fixedly installed on the column body of the movable column.

[0011] Furthermore, a spring for resetting the limiting plate is mounted on the column body of the movable column, and the spring is located on the left side of the limiting plate. An operating plate for driving the movable column to move left and right is fixedly installed on the left end of the movable column, and a locking rod for inserting into the locking plate for locking the locking plate is fixedly installed on the right end of the limiting plate.

[0012] Furthermore, the tightening component 1 includes a tightening belt 1 fixedly installed at the bottom end of the clamping block 2, and the bottom end of the tightening belt 1 is fixedly installed with a buckle for cooperating with the tightening component 2 to fix the fixing device 1 near the thigh root.

[0013] Furthermore, the second tightening component includes a second tightening belt arranged at the bottom end of the first tightening belt, and the top end of the second tightening belt is provided with a pin for cooperating with the buckle to fix the fixing device 1 near the thigh root.

[0014] Compared with the prior art, the utility model has the following beneficial effects.

[0015] By providing a fixing device 1 and a fixing device 2, when it is necessary to clamp and fix the electrode wire, firstly, the latch and the buckle are clamped together, so that the tightening belt 1 and the tightening belt 2 can be matched to fix the fixing device 1 near the patient's thigh root, and then the electrode wire is placed into the clamping block 1 and the clamping block 2, and then the operating panel is driven to control the moving column to move to the left, so that the locking rod can be moved to the left; at this time, the limiting plate compresses the spring; then the locking plate at the bottom end of the clamping block 1 is inserted into the clamping block 2, and finally the external force of moving the operating panel to the left is released, and at this time the compressed spring will drive the locking rod at the right end of the limiting plate to be inserted into the locking plate, so that the electrode wire can be clamped and fixed by the clamping block 1 and the clamping block 2. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 This is a diagram showing the coordination of fixing device 1 and fixing device 2 of the utility model.

[0018] Figure 3 It is a structural schematic diagram of a fixing device of the utility model.

[0019] Figure 4 This is a structural schematic diagram of the second fixing device of the utility model.

[0020] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0021] 100-handle device;

[0022] 200-electrode wire;

[0023] 300-fixing device 1, 310-fixing assembly, 311-clamping block 1, 312-clamping block 2, 313-hinge block, 314-locking plate, 320-locking assembly, 321-fixed column, 322-operating table, 323-movable column, 324-spring, 325-limiting plate, 326-locking rod;

[0024] 400 - fixing device 2, 410 - tightening component 1, 411 - tightening belt 1, 412 - buckle, 420 - tightening component 2, 421 - tightening belt 2, 422 - latch. DETAILED DESCRIPTION

[0025] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0026] See also Figure 1-Figure 4 The utility model provides an in vitro fixing device for an electrode wire.

[0027] The invention comprises a handle device 100 for controlling the electrode wire 200 to be inserted into the coronary vein, and the electrode wire 200 can be controlled to be bent by pushing the handle device 100 forward to meet the movement of the electrode wire 200 in the coronary vein; a fixing device 1 300 for clamping and fixing the electrode wire 200 is arranged below the electrode wire 200, and a fixing device 2 400 for fixing the fixing device 1 300 is arranged at the bottom of the fixing device 1 300.

[0028] The electrode wire 200 is a ten-level electrode wire. The fixing device 300 includes a fixing component 310 arranged above the handle device 100. The left end of the fixing component 310 is provided with a locking component 320 for cooperating with the fixing component 310 to clamp and fix the electrode wire 200.

[0029] The fixing assembly 310 includes a clamping block 312 fixedly installed on the top of the tightening assembly 410, and the top of the clamping block 312 is provided with a through hole 1 with the same shape as the electrode wire 200; a clamping block 311 is arranged above the clamping block 312 for cooperating with the clamping block 312 to clamp and fix the electrode wire 200, and the top of the clamping block 312 is provided with a through hole 2 with the same shape as the electrode wire 200, and the aperture axes of the through hole 1 and the through hole 2 are in the same plane, so that the electrode wire 200 can be clamped and fixed by the clamping block 311 and the clamping block 312 to prevent the electrode wire 200 from moving.

[0030] The bottom end of the clamping block 1 311 is fixedly installed with a hinge block 313 for hinged connection with the clamping block 2 312 , and the bottom end of the clamping block 1 311 is fixedly installed with a locking plate 314 for inserting into the clamping block 2 312 and cooperating with the locking assembly 320 to clamp and fix the electrode wire 200 .

[0031] The locking assembly 320 includes a fixed column 321 fixedly installed on the left end of the clamping block 312, a movable column 323 for left and right movement is arranged in the column cavity of the fixed column 321, and a limiting plate 325 for preventing the movable column 323 from escaping from the fixed column 321 is fixedly installed on the column body of the movable column 323.

[0032] The column body of the moving column 323 is provided with a spring 324 for resetting the limiting plate 325, and the spring 324 is located on the left side of the limiting plate 325. The left end of the moving column 323 is fixedly provided with an operating plate 322 for driving the moving column 323 to move left and right, and the right end of the limiting plate 325 is fixedly provided with a locking rod 326 for inserting into the locking plate 314 for locking the locking plate 314; thus, when the electrode wire 200 needs to be clamped and fixed, the electrode wire 200 can be placed between the clamping block 1 311 and the clamping block 2 314. 2, and then drive the operating plate 322 to control the moving column 323 to move to the left, so that the locking rod 326 can be moved to the left; at this time, the limiting plate 325 compresses the spring 324; then the locking plate 314 at the bottom end of the clamping block 1 311 is inserted into the clamping block 2 312, and finally the external force of moving the operating plate 322 to the left is released. At this time, the compressed spring 324 will drive the locking rod 326 at the right end of the limiting plate 325 to be inserted into the locking plate 314, and the electrode wire 200 can be clamped and fixed by the clamping block 1 311 and the clamping block 2 312.

[0033] The fixing device 400 includes a tightening component 410 fixedly mounted on the bottom end of the fixing component 310, and a tightening component 420 is provided below the tightening component 410 for cooperating with the tightening component 410 to fix the fixing device 300 near the thigh root.

[0034] The tightening component 410 includes a tightening belt 411 fixedly installed at the bottom end of the clamping block 312, and a buckle 412 is fixedly installed at the bottom end of the tightening belt 411 for cooperating with the tightening component 420 to fix the fixing device 300 near the thigh root.

[0035] The second tightening component 420 includes a second tightening belt 421 arranged at the bottom end of the first tightening belt 411, and the second tightening belt 421 and the first tightening belt 411 are made of elastic material, so that the two can be used to achieve corresponding fixation according to different patients; the top of the second tightening belt 421 is provided with a pin 422 for cooperating with the buckle 412 to fix the fixing device 300 near the thigh root; so that when it is necessary to insert the electrode wire 200 into the patient's coronary vein and perform surgery on it, the pin 422 can be firstly tightened with the buckle 412, so that the tightening belt 411 and the second tightening belt 421 can cooperate to fix the fixing device 300 near the patient's thigh root, so as to facilitate the use of the electrode wire 200.

[0036] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. An in vitro fixation device for an electrode lead, characterized in that: It comprises a handle device (100) for controlling an electrode wire (200) to be inserted into a coronary vein, a fixing device (300) for clamping and fixing the electrode wire (200) is arranged below the electrode wire (200), and a fixing device (400) for fixing the fixing device (300) is arranged at the bottom of the fixing device (300); The fixing device (300) comprises a fixing assembly (310) arranged above the handle device (100), and a locking assembly (320) for cooperating with the fixing assembly (310) to clamp and fix the electrode wire (200) is arranged at the left end of the fixing assembly (310); The second fixing device (400) includes a tightening component (410) fixedly mounted on the bottom end of the fixing component (310), and a tightening component (420) for cooperating with the tightening component (410) to fix the fixing device (300) near the thigh root is arranged below the tightening component (410).

2. The electrode lead in vitro fixing device according to claim 1, characterized in that: The fixing assembly (310) comprises a clamping block 2 (312) fixedly mounted on the top of the tightening assembly 1 (410), and a clamping block 1 (311) is arranged above the clamping block 2 (312) for cooperating with the clamping block 2 (312) to clamp and fix the electrode wire (200).

3. The electrode lead in vitro fixing device according to claim 2, characterized in that: A hinge block (313) for hinged connection with the clamping block (312) is fixedly installed at the bottom end of the clamping block one (311), and a locking plate (314) for inserting into the clamping block two (312) and cooperating with the locking assembly (320) to clamp and fix the electrode wire (200) is fixedly installed at the bottom end of the clamping block one (311).

4. The electrode lead in vitro fixing device according to claim 3, characterized in that: The locking assembly (320) comprises a fixed column (321) fixedly mounted on the left end of the second clamping block (312); a movable column (323) for leftward and rightward movement is arranged in the column cavity of the fixed column (321); and a limiting plate (325) for preventing the movable column (323) from escaping from the fixed column (321) is fixedly mounted on the column body of the movable column (323).

5. The electrode lead in vitro fixing device according to claim 4, characterized in that: A spring (324) for resetting the limiting plate (325) is mounted on the column body of the movable column (323), and the spring (324) is located on the left side of the limiting plate (325). An operating plate (322) for driving the movable column (323) to move left and right is fixedly mounted on the left end of the movable column (323), and a locking rod (326) for inserting into the locking plate (314) for locking the locking plate (314) is fixedly mounted on the right end of the limiting plate (325).

6. The in vitro fixing device for an electrode lead according to claim 3, characterized in that: The tightening component 1 (410) includes a tightening belt 1 (411) fixedly mounted on the bottom end of the clamping block 2 (312), and a buckle (412) is fixedly mounted on the bottom end of the tightening belt 1 (411) for cooperating with the tightening component 2 (420) to fix the fixing device 1 (300) on the thigh.

7. The in vitro fixation device for an electrode lead according to claim 6, characterized in that: The second tightening component (420) includes a second tightening belt (421) disposed at the bottom end of the first tightening belt (411), and a pin (422) is disposed at the top end of the second tightening belt (421) for cooperating with the buckle (412) to fix the fixing device (300) on the thigh.

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