Blood clot breaking and clotting device

Abstract

The utility model belongs to the technical field of medical instruments, and relates to a blood clot breaking and clotting device which is used for breaking large blood clots in the stomach and comprises a breaking and clotting mesh basket, a flexible shaft and a handle, the breaking and clotting mesh basket is arranged in a sheath at the end of the flexible shaft, and the handle is arranged at the other end of the flexible shaft and can drive the breaking and clotting mesh basket to slide out of the sheath through the flexible shaft. The crushing and congelation mesh basket and the flexible shaft can enter the stomach of a patient through a gastroscopy channel, the crushing and congelation mesh basket comprises a plurality of spiral wires, the spiral wires are elastic wires, the handle can drive the crushing and congelation mesh basket to rotate around the axis to enable the spiral wires to rotate and stretch into a mesh basket shape or be gathered into a rope shape, and the crushing and congelation mesh basket in the gathered state can slide into the protective sleeve; the blood clot in the stomach is clamped by the crushing and clotting net basket in the state that the spiral wires are unfolded, the operation handle drives the spiral wires of the crushing and clotting net basket to be folded, then the blood clot can be minced, the mincing operation is repeated until the large blood clot is crushed to the size capable of being sucked away by a gastroscope, and the device is simple in structure, convenient to operate and safe to use.

Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a blood clot crusher. Background Art

[0002] Gastroscopy is a commonly used medical examination method. Gastroscopy can directly observe the actual situation of the examined part of the stomach. In emergency, many bleeding patients undergo gastroscopy, and there are large blood clots in the stomach. Large blood clots cannot be attracted out using gastroscopic instruments, and will also block the field of view of gastroscopy, causing great inconvenience to gastroscopy treatment. Large blood clots are difficult to remove and take a long time to remove, which prolongs the effective diagnosis and treatment time and delays the clinical treatment opportunity. Therefore, a blood clot crusher that can break up large blood clots in the stomach is needed. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a blood clot crusher.

[0004] In order to solve the above problems, the technical solution adopted by the utility model is:

[0005] A blood clot crusher comprises a blood clot crushing basket, a flexible shaft and a handle, wherein the blood clot crushing basket is arranged in a sheath at the end of the flexible shaft, and the handle is arranged at the other end of the flexible shaft and can drive the blood clot crushing basket to slide out of the sheath through the flexible shaft, and the blood clot crushing basket comprises a plurality of spiral wires, which are elastic wires and can rotate around the axis of the blood clot crushing basket and stretch into a basket shape or gather into a rope shape.

[0006] As an embodiment of the utility model, the crushing basket also includes a core shaft, and multiple spiral wires are arranged in a circular array around the core shaft. The spiral wires can rotate around the core shaft and stretch into a basket shape or gather into a rope shape. The core shaft is connected to the flexible shaft and can rotate synchronously with the flexible shaft.

[0007] As an embodiment of the utility model, a sliding shaft is provided at the bottom of the crushing net basket, a stop platform matching the sleeve is provided on the outer circle of the sliding shaft, a through hole for the core shaft to pass through is provided in the center, one end of the spiral wire is fixedly connected to the end of the core shaft, and the other end is fixedly arranged on the end face of the sliding shaft in a circular array, and the core shaft can drive the spiral wire to rotate.

[0008] As an implementation mode of the present utility model, the spiral wire is made of medical elastic metal material, preferably stainless steel.

[0009] As an implementation manner of the utility model, at least six spiral wires are provided.

[0010] As an implementation mode of the utility model, a connecting sleeve is provided at the end of the sliding shaft, and the connecting sleeve limits the axial travel of the core shaft to extend or gather the spiral wire.

[0011] As an embodiment of the utility model, the flexible shaft includes a sleeve and a shaft body, the shaft body is sleeved in the sleeve, the sleeve is fixedly connected to the sleeve, the shaft body is fixedly connected to the core shaft, and the shaft body can slide and rotate in the sleeve.

[0012] As an embodiment of the utility model, the handle includes a fixed part, a movable part and a rotating part. The movable part is sleeved on the fixed part and can slide along the fixed part. The rotating part is sleeved in the fixed part and can rotate around the axis. The fixed part is connected to the sleeve, and the shaft body is fixedly connected to the rotating part and the movable part in sequence. The movable part can drive the shaft body to slide, and the rotating part can drive the shaft body to rotate.

[0013] As an embodiment of the utility model, the rotating part includes a rotating wheel and a slider, the slider is arranged on the rotating wheel and can rotate with the rotating wheel and slide along the axis of the rotating wheel, and the shaft is fixedly connected to the slider and can move synchronously with the slider.

[0014] As an embodiment of the utility model, the fixed part includes a hand-held handle and a connecting head, the hand-held handle and the connecting head are connected by threads, the connecting head is provided with a through groove running through its body, the rotating part is sleeved in the connecting head, and the rotating part can be driven to rotate through the through groove.

[0015] The beneficial effects of adopting the above technical solution are:

[0016] The clot crusher provided by the utility model is used for crushing large blood clots in the stomach, and comprises a clot crushing basket, a flexible shaft and a handle. The clot crushing basket is arranged in a sheath at the end of the flexible shaft to facilitate the safe entry of the clot crushing basket into the patient's stomach. The handle can drive the clot crushing basket to slide and rotate through the flexible shaft. The clot crushing basket comprises a plurality of elastic spiral wires. The handle can drive the clot crushing basket to rotate around the axis to rotate and stretch the plurality of spiral wires into a basket shape or gather them into a rope shape. The clot crushing basket in a gathered state can smoothly slide into the sheath to facilitate passing through the stomach inspection channel; the clot crushing basket in a spiral wire expanded state can catch the blood clot in the stomach, and the operating handle drives the spiral wires of the clot crushing basket to retract, so as to crush the blood clot. The utility model has a simple structure, is easy to operate, and is safe to use. The clot crushing basket is smooth and has no sharp edges, which can prevent the clot crushing basket from damaging the patient's stomach tissue. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model in which the crushing net basket is in an extended state;

[0018] Figure 2 This is a front view structural diagram of the utility model when the crushing condensation net basket is extended;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model when the crushing net basket is extended;

[0020] Figure 4 It is a structural schematic diagram of the utility model of the crushing condensation basket in the gathered state;

[0021] Figure 5 This is a three-dimensional schematic diagram of the explosion structure of the handle of the utility model;

[0022] Figure 6 It is a cross-sectional view of the end connection structure of the utility model.

[0023] Among them: 1. crushing basket; 1-1. spiral wire; 1-2. core shaft; 1-3. sliding shaft; 2. flexible shaft; 2-1. sheath; 2-2. bushing; 2-3. shaft body; 3. handle; 3-1. fixed part; 3-1-1. hand handle; 3-1-2. connector; 3-2. movable part; 3-3. rotating part; 3-3-1. rotating wheel; 3-3-2. slider. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model is clearly and completely described below in conjunction with specific embodiments.

[0025] like Figures 1 to 6The blood clot crusher shown comprises a blood clot crushing basket 1, a flexible shaft 2 and a handle 3. The blood clot crushing basket 1 is arranged in a sheath 2-1 at the end of the flexible shaft 2. The handle 3 is arranged at the other end of the flexible shaft 2 and can be connected to the blood clot crushing basket 1 through the flexible shaft 2. The handle 3 can drive the blood clot crushing basket 1 to slide out or slide into the sheath 2-1. The blood clot crushing basket 1 comprises a plurality of spiral wires 1-1, and the spiral wires 1-1 are at least six. The spiral wires 1-1 are elastic wires made of medical elastic metal materials, preferably stainless steel materials. The handle 3 can drive the spiral wire 1-1 to rotate around the axis of the crushing net basket 1 to stretch into a net basket shape or gather into a rope shape; the crushing net basket 1 also includes a core shaft 1-2 and a sliding shaft 1-3, the sliding shaft 1-3 is arranged at the bottom of the crushing net basket 1, and a through hole for the core shaft 1-2 to pass through is arranged in the center of the sliding shaft 1-3, and the core shaft 1-2 is inserted into the central through hole of the sliding shaft 1-3. Multiple spiral wires 1-1 are arranged around the core shaft 1-2 in a circular array, and the top of the spiral wire 1-1 is fixedly connected to the end of the core shaft 1-2, and the other end is fixedly arranged on the end face of the sliding shaft 1-3 in a circular array. The rotation of the core shaft 1-2 can drive the spiral wire 1-1 to stretch around the core shaft 1-2 It is in the shape of a basket or gathered into a rope; the core shaft 1-2 is fixedly connected to the flexible shaft 2 and can slide or rotate synchronously with the flexible shaft 2; the outer circle of the sliding shaft 1-3 is provided with a stop table that matches the sleeve 2-1. In this embodiment, the stop table is a matching flat square that can prevent the sliding shaft 1-3 from rotating in the sleeve 2-1; a connecting sleeve 1-4 is provided at the end of the sliding shaft 1-3, and the connecting sleeve 1-4 connects the core shaft 1-2 with the sliding shaft 1-3, so that the core shaft 1-2 can drive the connecting sleeve 1-4 to slide in the sleeve 2-1, and at the same time, the connecting sleeve 1-4 extends the core shaft 1-2 and limits the telescopic stroke of the gathering spiral wire 1-1, so that the extension and gathering limit amplitudes are controllable.

[0026] like Figures 4 to 6 As shown, the flexible shaft 2 includes a sleeve 2-2 and a shaft body 2-3, and the shaft body 2-3 can slide and rotate in the sleeve 2-2; the handle 3 includes a fixed part 3-1, a movable part 3-2 and a rotating part 3-3, the movable part 3-2 is sleeved on the fixed part 3-1 and can slide along the fixed part 3-1, the rotating part 3-3 is sleeved in the fixed part 3-1 and can rotate around the axis, the fixed part 3-1 is connected to the sleeve 2-2, the shaft body 2-3 is fixedly connected to the rotating part 3-3 and the movable part 3-2 in turn, the movable part 3-2 can slide along the fixed part 3-1 to drive the shaft body 2-3 and the core shaft 1-2 fixedly connected thereto to slide synchronously, and the rotating part 3-3 can drive the shaft body 2-3 and the core shaft 1-2 fixedly connected thereto to rotate synchronously, that is, to realize the stretching of the crushing and condensing net basket 1 into a net basket shape or the gathering into a rope shape.

[0027] like Figure 4 and Figure 5As shown, the rotating part 3-3 includes a rotating wheel 3-3-1 and a slider 3-3-2. The axis of the rotating wheel 3-3-1 is provided with a rectangular groove running through both ends. The slider 3-3-2 is provided on the rectangular groove of the rotating wheel 3-3-1 and can rotate with the rotating wheel 3-3-1 and slide along the axis of the rotating wheel 3-3-1. The shaft body 2-3 is fixedly connected to the slider 3-3-2 and can move synchronously with the slider 3-3-2. The fixed part 3-1 includes a hand handle 3-1-1 and a connector 3-1-2. The hand handle 3-1-1 and the connector 3-1-2 are connected by threads. The connector 3-1-2 is provided with a through groove running through its body. The rotating part 3-3 is sleeved in the connector 3-1-2. The operator can drive the rotating part 3-3 to rotate by hand through the through groove.

[0028] Operation procedure: send the clot crushing basket 1 of the clot crusher to the large blood clot in the patient's stomach through the inspection channel, push the movable part 3-2 of the handle 3, and the clot crushing basket 1 slides out of the sheath 2-1 in the shape of a gathered rope, rotate the wheel 3-3-1 of the rotating part 3-3 on the handle 3, and the wheel 3-3-1 drives the shaft 2-3 and the core shaft 1-2 to rotate, so that the spiral wire 1-1 of the clot crushing basket 1 unfolds, and the spiral wire 1-1 catches all or part of the large blood clot into the basket, and then operate the wheel 3-3-1 to rotate to retract the spiral wire 1-1 to crush the blood clot.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A blood clot crusher, characterized in that: The utility model comprises a condensation crushing net basket (1), a flexible shaft (2) and a handle (3); the condensation crushing net basket (1) is arranged in a sheath (2-1) at the end of the flexible shaft (2); the handle (3) is arranged at the other end of the flexible shaft (2) and can drive the condensation crushing net basket (1) to slide out of the sheath (2-1) through the flexible shaft (2); the condensation crushing net basket (1) comprises a plurality of spiral wires (1-1); the spiral wires (1-1) are elastic wires and can rotate around the axis of the condensation crushing net basket (1) to stretch into a net basket shape or gather into a rope shape.

2. A blood clot disruptor according to claim 1, characterized in that: The crushing basket (1) further comprises a core shaft (1-2), a plurality of spiral wires (1-1) are arranged in a circular array around the core shaft (1-2), the spiral wires (1-1) can rotate around the core shaft (1-2) to stretch into a basket shape or gather into a rope shape, and the core shaft (1-2) is connected to the flexible shaft (2) and can rotate synchronously with the flexible shaft (2).

3. A blood clot disruptor according to claim 2, characterized in that: A sliding shaft (1-3) is arranged at the bottom of the crushing net basket (1); a stopper matched with the sleeve (2-1) is arranged on the outer circle of the sliding shaft (1-3); a through hole for the core shaft (1-2) to pass through is arranged in the center; one end of the spiral wire (1-1) is fixedly connected to the end of the core shaft (1-2); the other end is fixedly arranged on the end face of the sliding shaft (1-3) in a circular array; the core shaft (1-2) can drive the spiral wire (1-1) to rotate.

4. A blood clot disruptor according to claim 2, characterized in that: The spiral wire (1-1) is made of medical elastic metal material.

5. A blood clot disruptor according to claim 2, characterized in that: The spiral wires (1-1) are provided with at least six pieces.

6. A blood clot disruptor according to claim 3, characterized in that: A connecting sleeve (1-4) is provided at the end of the sliding shaft (1-3), and the connecting sleeve (1-4) limits the axial travel of the spiral wire (1-1) by extending or gathering the core shaft (1-2).

7. A blood clot disruptor according to claim 2, characterized in that: The flexible shaft (2) comprises a shaft sleeve (2-2) and a shaft body (2-3); the shaft body (2-3) is sleeved in the shaft sleeve (2-2); the shaft sleeve (2-2) is fixedly connected to the sleeve (2-1); the shaft body (2-3) is fixedly connected to the core shaft (1-2); and the shaft body (2-3) can slide and rotate in the shaft sleeve (2-2).

8. A blood clot disruptor according to claim 7, characterized in that: The handle (3) comprises a fixed portion (3-1), a movable portion (3-2) and a rotating portion (3-3); the movable portion (3-2) is sleeved on the fixed portion (3-1) and can slide along the fixed portion (3-1); the rotating portion (3-3) is sleeved in the fixed portion (3-1) and can rotate around an axis; the fixed portion (3-1) is connected to the shaft sleeve (2-2); the shaft body (2-3) is fixedly connected to the rotating portion (3-3) and the movable portion (3-2) in sequence; the movable portion (3-2) can drive the shaft body (2-3) to slide; and the rotating portion (3-3) can drive the shaft body (2-3) to rotate.

9. A blood clot disruptor according to claim 8, characterized in that: The rotating part (3-3) comprises a rotating wheel (3-3-1) and a sliding block (3-3-2); the sliding block (3-3-2) is arranged on the rotating wheel (3-3-1) and can rotate with the rotating wheel (3-3-1) and slide along the axis of the rotating wheel (3-3-1); the shaft (2-3) is fixedly connected to the sliding block (3-3-2) and can move synchronously with the sliding block (3-3-2).

10. A blood clot disruptor according to claim 9, characterized in that: The fixed part (3-1) comprises a hand-held handle (3-1-1) and a connecting head (3-1-2); the hand-held handle (3-1-1) and the connecting head (3-1-2) are connected via threads; the connecting head (3-1-2) is provided with a through slot penetrating its body; the rotating part (3-3) is sleeved in the connecting head (3-1-2) and can drive the rotating part (3-3) to rotate through the through slot.

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