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CN-224206869-U - Surgical knife with knife box

CN224206869UCN 224206869 UCN224206869 UCN 224206869UCN-224206869-U

Abstract

The utility model discloses a surgical knife with a knife box, which relates to the field of surgical knives, and the technical scheme of the utility model comprises a blade, a knife box and a knife handle; the tail section of the blade is hinged with the tail end of the knife box, an elastic piece is arranged between the blade and the knife box and drives the blade and the knife box to swing and fold, in the process of folding the blade and the knife box, the cutting edge of the blade is matched into the box from the box opening of the knife box, the tail end of the blade is detachably fixed with the front end of the knife handle, a locking structure is arranged between the knife handle and the knife box, and the blade is fixed to the knife handle through the locking structure after being unfolded relative to the knife box. After the cutter handle is separated from the cutter blade, the cutter box is automatically folded relative to the cutter blade, so that the cutter blade is protected, and the cutter blade is prevented from hurting people.

Inventors

  • HU LAN
  • CHEN LI
  • ZHAO DAN
  • FAN HAITAO

Assignees

  • 三台县人民医院(川北医学院附属三台医院)

Dates

Publication Date
20260508
Application Date
20250109

Claims (8)

  1. 1. The surgical knife with the knife box is characterized by comprising a knife blade (1), a knife box (3) and a knife handle (4); The tail section of the blade (1) is hinged with the tail end of the blade box (3); An elastic piece is arranged between the blade (1) and the knife box (3), the elastic piece drives the blade (1) and the knife box (3) to swing and fold, and in the process of folding the blade (1) and the knife box (3), the cutting edge of the blade (1) is matched into the box from the box opening of the knife box (3); The tail end of the blade (1) and the front end of the knife handle (4) are detachably fixed, a lock catch structure is arranged between the knife handle (4) and the knife box (3), and the blade (1) is fixed on the knife handle (4) through the lock catch structure after being unfolded relative to the knife box (3).
  2. 2. The surgical knife with knife box according to claim 1, wherein the knife box (3) comprises two box sheets, the middle parts of the front ends of the two box sheets are fixed on two sides of the clamping plate (5), the knife blade (1) is positioned between the two box sheets, the tail section of the knife blade (1) is provided with a rotating shaft, and two ends of the rotating shaft are respectively fixed with the box sheets.
  3. 3. The surgical knife with knife box according to claim 2, characterized in that the knife box (3) is of an integrally formed structure by adopting iron sheets.
  4. 4. The surgical knife with knife box according to claim 2, characterized in that the knife box (3) is of a plastic integrated structure.
  5. 5. The surgical knife with knife cartridge of claim 2 wherein the inner sides of the front ends of both of said cartridge pieces are provided with rubber protective pads.
  6. 6. The surgical knife with the knife box according to claim 1, wherein the locking structure comprises a limiting protrusion (6) and an annular groove (7), the limiting protrusion (6) is arranged on one side, far away from a box opening, of the front end of the knife box (3), the annular groove (7) is arranged on the front section of the knife handle (4), the annular groove (7) is arranged forwards, and the limiting protrusion (6) is clamped in the annular groove (7).
  7. 7. The surgical knife with knife box according to claim 6, characterized in that the annular groove (7) is screwed with the tail end of the knife blade (1).
  8. 8. The surgical knife with knife cartridge of claim 1 wherein the elastic member is a torsion spring disposed at the hinge.

Description

Surgical knife with knife box Technical Field The utility model relates to the field of surgical knives, in particular to a surgical knife with a knife box. Background In the operation process, the surgical knife blade can circulate between nurses and doctors, for example, the surgical knife blade needs to be delivered to the doctors before operation, nurses need to be lifted after use, medical waste collection needs to be carried out on the surgical knife blade after the operation is finished, and the situation that people are injured by the surgical knife blade easily occurs in the whole process. Although the main solution is to standardize the operation flow, in practice, the circulation process of the blade is in a state of being individually exposed, which also causes no small potential safety hazard to medical staff. The related solutions such as the surgical knife disclosed in patent publication CN103961161a, which is provided to the surgical knife having the sheath, do not solve the above problems completely, because it is necessary to extend the sheath manually to protect the blade, the operation is actually an operation for medical staff, and it is necessary for the medical staff to extend the sheath as required, but if the medical staff does not or forget to extend or is liable to hurt the medical staff, the above mentioned problems are mainly caused by that the medical staff sometimes operates out of specification or does not pay attention, so the problem of hurting people by the blade is still to be solved from how the medical staff operates out of specification. Disclosure of utility model In order to solve the technical problems, the utility model provides the surgical knife with the knife box, which can realize that the knife box is automatically folded relative to the knife blade after the knife handle is separated from the knife blade, so as to protect the knife blade and avoid the knife blade from hurting people. The technical scheme adopted for solving the technical problems is that the surgical knife with the knife box comprises a blade, the knife box and a knife handle; The tail section of the blade is hinged with the tail end of the cutter box; An elastic piece is arranged between the blade and the knife box, the elastic piece drives the blade and the knife box to swing and fold, and in the process of folding the blade and the knife box, the cutting edge of the blade is matched into the box from the box opening of the knife box; The tail end of the blade is detachably fixed with the front end of the knife handle, a lock catch structure is arranged between the knife handle and the knife box, and the blade is fixed on the knife handle through the lock catch structure after being unfolded relative to the knife box. When the knife is used, the tail end of the knife blade is fixed with the knife handle, then the knife box is opened relative to the knife blade, the knife box is fixed with the guide rod through the lock catch structure, the knife box can be used just like a common surgical knife at the moment, when the use is finished, the lock catch structure is operated, the lock of the knife box is released, the knife box is automatically folded relative to the knife blade under the action of the elastic piece, the knife blade is further protected, the knife blade is detached from the knife handle at the moment, and the knife blade cannot hurt people due to the protection of the knife box. Preferably, the knife box comprises two box sheets, the middle parts of the front ends of the two box sheets are fixed on two sides of the clamping plate, the knife blade is positioned between the two box sheets, a rotating shaft is arranged at the tail section of the knife blade, and two ends of the rotating shaft are respectively fixed with the box sheets. The protection to the blade can be well formed. Preferably, the knife box is of a structure formed by integrally forming iron sheets. The structure is more stable and durable. Preferably, the knife box is of a structure formed by integrally molding plastic. The structure is more stable and durable. Preferably, rubber protection pads are arranged on the inner sides of the front ends of the two box pieces. The cutting edge of the blade can be prevented from being directly contacted with the cutter box through the rubber protection pad. Preferably, the locking structure comprises a limiting protrusion and an annular groove, wherein the limiting protrusion is arranged on one side, far away from the box opening, of the front end of the cutter box, the annular groove is arranged on the front section of the cutter handle, the annular groove is arranged forwards, and the limiting protrusion is clamped in the annular groove. When the cutter box is unfolded relative to the blade, the front end of the cutter box swings backwards to be attached to the side wall of the cutter handle, and at the moment, the cutter handle forwards and the blade, wherein the annula