Surgical operation subcutaneous tissue separation minimally invasive scalpel with blade convenient to replaceTechnical Field
The invention relates to the technical field of medical equipment, in particular to a surgical subcutaneous tissue separation minimally invasive scalpel with blades convenient to replace.
Background
The surgery is called as operation, commonly known as open surgery, and refers to a treatment process of entering human body or other biological tissues through surgical equipment or surgical instruments and operated by surgeons or other professionals to remove pathological changes, change structures or implant foreign objects by means of external force. The surgical knife is used for cutting subcutaneous tissue adhesion in a surgical operation, a surgical subcutaneous tissue separation minimally invasive scalpel is needed, the existing surgical subcutaneous tissue separation minimally invasive scalpel is inconvenient for clamping subcutaneous tissue adhesion, and a blade is inconvenient to replace, so that the problem is solved by the surgical subcutaneous tissue separation minimally invasive scalpel with the blade convenient to replace.
Disclosure of Invention
The invention aims to solve the problems that a surgical subcutaneous tissue separation minimally invasive scalpel with a replaceable blade in the prior art is inconvenient to clamp subcutaneous tissue for adhesion and the replaceable blade is inconvenient to replace.
In order to achieve the purpose, the invention adopts the following technical scheme:
a minimally invasive scalpel facilitating blade replacement for subcutaneous tissue separation in surgical operation comprises a connecting block, wherein a first vertical rod and a second vertical rod are symmetrically arranged on the connecting block and are of hollow structures, one end of each of the first vertical rod and the second vertical rod is rotatably connected with the connecting block, the other end of each of the first vertical rod and the second vertical rod is connected with a semi-arc tweezers head, each semi-arc tweezers head is of a hollow structure, openings communicated with the first vertical rod and the second vertical rod are formed in each semi-arc tweezers head, a cutter is arranged in each semi-arc tweezers head and is fixedly connected with the inner wall of each semi-arc tweezers head through a plurality of telescopic rods, strip-shaped openings matched with the cutter are formed in the side wall, opposite to the semi-arc tweezers heads, a connecting rod is connected to the lower side wall of each cutter, penetrates through the openings and is connected with the cutter, nuts are arranged on the connecting rods in the first vertical rod and the second vertical rod, a first threaded rod matched with the nuts is arranged in the, one end of the first threaded rod is rotatably connected with the inner walls of the first vertical rod and the second vertical rod, and the other end of the first threaded rod penetrates through the side walls of the first vertical rod and the second vertical rod.
Preferably, the connecting block is provided with a rubber anti-slip sleeve.
Preferably, the side wall of one side of the cutter, which is far away from the strip-shaped opening, is provided with a first spring, and the first spring is fixedly connected with the inner wall of the semi-arc forceps head.
Preferably, the lateral wall of first montant and second montant all is equipped with the slip locking piece, and first threaded rod runs through the setting of slip locking piece.
Preferably, a loop bar is arranged between the first vertical bar and the second vertical bar, and a second spring is sleeved on the outer side wall of the loop bar.
Preferably, be equipped with on the cutter with the connecting rod match the recess that sets up, be equipped with the second threaded rod in the recess, the one end of second threaded rod run through the connecting rod and with connecting rod threaded connection, and the other end of second threaded rod runs through the lateral wall setting of recess, sliding connection has locking device on the lateral wall of cutter, and the second threaded rod runs through locking device setting.
According to the invention, when a doctor holds the connecting block, the rubber anti-slip sleeve can effectively prevent the connecting block from being separated from the hand due to various reasons, the first spring is additionally arranged, so that the cutter can move more stably in the semi-arc forceps head, the doctor can operate the scalpel more stably, the loop bar and the second spring can effectively control the positions of the first vertical bar and the second vertical bar, the first vertical bar and the second vertical bar can not be excessively rotated to cause unnecessary damage, the sliding locking block can effectively lock the first threaded rod, the connecting rod is prevented from moving due to the rotation of the first threaded rod which is not required for working, and the locking device can lock the second threaded rod to ensure that the cutter is stably connected with the connecting rod.
Drawings
FIG. 1 is a schematic structural view of a minimally invasive scalpel for subcutaneous tissue separation for surgical operation with blades convenient to replace, which is provided by the invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram at B in fig. 1.
In the figure: the pair of forceps comprises a connecting block 1, a firstvertical rod 2, a second vertical rod 3, a half-arc forceps head 4, a cutter 5, atelescopic rod 6, aconnecting rod 7, anopening 8, a nut 9, a first threadedrod 10, a first spring 11, aloop bar 12, asecond spring 13, a slidinglocking block 14, agroove 15, a second threadedrod 16 and alocking device 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a minimally invasive scalpel facilitating blade replacement for subcutaneous tissue separation in surgical operation comprises a connecting block 1, wherein a rubber anti-slip sleeve is arranged on the connecting block 1, when a doctor holds the connecting block 1, the rubber anti-slip sleeve can effectively prevent the connecting block 1 from being separated from a hand due to various reasons, a firstvertical rod 2 and a second vertical rod 3 are symmetrically arranged on the connecting block 1, the firstvertical rod 2 and the second vertical rod 3 are both hollow structures, slidinglocking blocks 14 are arranged on the side walls of the firstvertical rod 2 and the second vertical rod 3, the first threadedrod 10 penetrates through the slidinglocking blocks 14, the slidinglocking blocks 14 can effectively lock the first threadedrod 10 to prevent the connectingrod 7 from moving due to rotation of the first threadedrod 10 which is not required for work, aloop bar 12 is arranged between the firstvertical rod 2 and the second vertical rod 3, asecond spring 13 is sleeved on the outer side wall of theloop bar 12, and thesecond spring 13 can effectively control the positions of the firstvertical rod 2 and the second vertical rod 3, the firstvertical rod 2 and the second vertical rod 3 are guaranteed not to be excessively rotated to cause unnecessary damage, one ends of the firstvertical rod 2 and the second vertical rod 3 are rotatably connected with the connecting block 1, the other ends of the firstvertical rod 2 and the second vertical rod 3 are respectively connected with a semi-arc tweezers head 4, the semi-arc tweezers heads 4 are of hollow structures,openings 8 communicated with the firstvertical rod 2 and the second vertical rod 3 are formed in the semi-arc tweezers heads 4, a cutter 5 is arranged in each semi-arc tweezers head 4, and each cutter 5 is fixedly connected with the inner wall of each semi-arc tweezers head 4 through a plurality oftelescopic rods 6;
agroove 15 matched with the connectingrod 7 is arranged on the cutter 5, a second threadedrod 16 is arranged in thegroove 15, one end of the second threadedrod 16 penetrates through the connectingrod 7 and is in threaded connection with the connectingrod 7, the other end of the second threadedrod 16 penetrates through the side wall of thegroove 15, alocking device 17 is connected to the side wall of the cutter 5 in a sliding mode, the second threadedrod 16 penetrates through thelocking device 17, when the blade needs to be replaced, the second threadedrod 16 is rotated to separate the second threadedrod 16 from theconnecting rod 7, the connectingrod 7 is disconnected from the cutter 5, the new cutter 5 is replaced, the second threadedrod 16 is rotated to enable the second threadedrod 16 to be in threaded connection with theconnecting rod 7, the cutter 5 and the connectingrod 7 can be connected again, thelocking device 17 can lock the second threadedrod 16 to ensure that the cutter 5 is stably connected with the connectingrod 7, a first spring 11 is arranged on the side, the first spring 11 is fixedly connected with the inner wall of the semi-arc forceps head 4, and the addition of the first spring 11 can enable the cutter 5 to move more stably in the semi-arc forceps head 4, so that a doctor can operate the scalpel more stably;
be equipped with the bar opening that matches with cutter 5 on the relative lateral wall of half arc tweezers head 4, the lateral wall is connected with connectingrod 7 under the cutter 5, and connectingrod 7 runs through opening 8 setting and is connected with cutter 5, be located and be equipped with nut 9 on the connectingrod 7 infirst montant 2 and the second montant 3, be equipped with the first threadedrod 10 that matches with nut 9 infirst montant 2 and the second montant 3, the one end of first threadedrod 10 rotates with the inner wall offirst montant 2 and second montant 3 and is connected, and the other end of first threadedrod 10 runs through the lateral wall setting offirst montant 2 and second montant 3, it drives nut 9 and removes to rotate first threadedrod 10, thereby it removes to drive connectingrod 7, connectingrod 7 drives cutter 5 and moves, make cutter 5 can accurate swift completion to the cutting of subcutaneous tissue.
In the invention, a doctor firstly holds a scalpel to judge the position and size of subcutaneous tissue to be cut, a finger presses a firstvertical rod 2 and a second vertical rod 3 to drive a semi-arc forceps head 4 to move, so that the subcutaneous tissue is tightly clamped by using the semi-arc forceps head 4, at the moment, asliding lock block 14 is opened, a first threadedrod 10 is rotated to drive a nut 9 to move, so that a connectingrod 7 is driven to move, the connectingrod 7 drives a cutter 5 to move, so that the cutter 5 can accurately and quickly cut the subcutaneous tissue, the subcutaneous tissue is treated by the cutting forceps while clamping the subcutaneous tissue, after the cutting is finished, the first threadedrod 10 is rotated to reset the cutter 5, thesliding lock block 14 is locked, the cutter 5 can be stably stored in the semi-arc forceps head 4, the unnecessary damage of the cutter 5 to medical staff is prevented, the firstvertical rod 2 and the second vertical rod 3 are reset with the help of aloop rod 12 and asecond spring 13, thereby use when convenient cutting subcutaneous tissue next time, when the blade needs to be changed, rotate second threadedrod 16, make second threadedrod 16 and connectingrod 7 separation,disconnection connecting rod 7 and cutter 5's connection, the cutter 5 of renewal, rotate second threadedrod 16, make second threadedrod 16 and connectingrod 7 threaded connection, make cutter 5 and connectingrod 7 resume to be connected can. The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.