Multifunctional incision knife

Abstract

The utility model relates to a multifunctional incision knife belongs to medical instrument technical field. The incision knife includes the knife head, the sheath pipe, the connecting rod, the pipeline joint and handle component, wherein, the knife head inside is provided with the through hole, the knife head is connected with the catheter, the catheter sets up in the sheath pipe, the sheath pipe one end is connected with handle component, handle component inside is provided with the hollow connecting rod, the connecting rod is connected with the catheter, the through hole in the knife head, the catheter lumen, the connecting rod lumen are communicated, the sheath pipe is close to handle component position and is provided with the pipeline joint, the lumen of pipeline joint and the lumen of sheath pipe are communicated. The utility model solves the problem that the incision knife function is single, needs many times to stop switching instrument in the treatment process, and further leads to the operation operation complicated, treatment time lengthens, medical staff consumes the physical strength greatly, increases the patient burden high.

Claims

1. A multi-purpose incision knife characterized by, The device includes a cutting head, a sheath, a connecting rod, a pipe connector, and a handle assembly. The cutting head has a through hole inside and a guide tube is connected to it. The guide tube is located inside the sheath. One end of the sheath is connected to the handle assembly. The handle assembly has a hollow connecting rod inside and a guide tube is connected to it. The through hole inside the cutting head, the guide tube cavity, and the connecting rod cavity are interconnected. A pipe connector is located near the handle assembly on the sheath, and the cavity of the pipe connector is interconnected with the cavity of the sheath.

2. The utility knife of claim 1, wherein, The catheter is fixed with a skeleton, which is fixed to the front end of the sheath tube and is used to fix the cutter head in the center of the sheath tube.

3. The utility knife of claim 1, wherein: The blade head is triangular, T-shaped, or hook-shaped.

4. The utility knife of claim 1, wherein, The sheath is a double-lumen sheath with two lumens inside. One lumen is used to place the catheter, and the other lumen contains a temperature probe. The guide wire of the temperature probe passes through the sheath and the handle assembly and is connected to the processor on the handle assembly.

5. The utility knife of claim 1, wherein, The handle assembly includes a housing, a movable retaining ring, a conductive connector, and a tail connecting tube. The movable retaining ring is slidably fitted on the outside of the housing, and a conductive connector is provided on the movable retaining ring. A connecting rod is movably installed inside the housing. One end of the connecting rod passes through the housing and is connected to a conduit, while the other end is installed inside the housing through a sealing gasket with an opening in the middle. A metal block with a threaded hole is provided in the middle of the connecting rod. A metal block is threadedly connected to the bottom of the conductive connector. The tail connecting tube is connected to the tail end of the housing.

6. The utility knife of claim 5, wherein: A retaining ring is provided at the tail end of the housing.

7. The utility knife of claim 5, wherein: The movable retaining ring is equipped with a movable buckle, and the housing is equipped with a limit buckle. The limit buckle is equipped with two slots, and the bottom of the movable buckle is set in the slot.

Images