CN111938758A

CN111938758A - Ultrasonic knife convenient for quickly mounting and dismounting knife head

Info

Publication number: CN111938758A
Application number: CN202010855666.0A
Authority: CN
Inventors: 方胜云
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2020-11-17

Abstract

The invention discloses an ultrasonic knife convenient for quickly mounting and dismounting a knife head, which comprises an ultrasonic knife handle, wherein a first connecting rod is mounted on the ultrasonic knife handle, an energy transducer is mounted on the first connecting rod, the first connecting rod is connected with a second connecting rod through a quick dismounting structure, and the second connecting rod is fixedly connected with the ultrasonic knife head; cavities arranged along the length direction are formed in the first connecting rod and the second connecting rod; two L-shaped clamping seats which are oppositely arranged are formed in the first connecting rod, and a socket is formed between the L-shaped clamping seats. The invention has simple structure and convenient assembly and disassembly, can quickly replace a proper cutter head and adjust the corresponding angle of the cutter head; the time of changing the tool bit in the doctor's operation has been saved and can the quick adjustment tool bit arrive suitable angle for exert oneself more easily during the doctor's operation, prevented that the too big problem of operation precision that leads to of doctor's wrist distortion angle from being enough.

Description

Ultrasonic knife convenient for quickly mounting and dismounting knife head

The technical field is as follows:

the invention belongs to the field of machinery, and particularly relates to an ultrasonic knife convenient for quickly mounting and dismounting a knife head.

Background art:

an ultrasonic scalpel is also called an ultrasonic scalpel, is a high-frequency electrosurgical device and is mainly used for cutting biological tissues and closing blood vessels. The scalpel has the characteristics of less bleeding, less damage to surrounding tissues, quick postoperative recovery and the like, has the functions of cutting and coagulating when acting on human tissues, does not cause side effects of tissue drying, burning and the like, has no current passing through a human body when the scalpel head works, is widely applied to an operating room, and is called as a bloodless scalpel. An ultrasonic blade generally consists of a handle, a transducer, an ultrasonic blade connecting rod and an ultrasonic blade. However, different types of ultrasonic scalpel heads need to be replaced when different operations are performed, and the conventional ultrasonic scalpel is complex in operation, time-consuming and labor-consuming when the ultrasonic scalpel head is replaced, and cannot meet the operation requirement of time-consuming operation.

In addition, when a doctor performs an operation, the angle of the ultrasonic scalpel head is often required to be adjusted according to needs, and the adjustment is usually completed by rotating the wrist, but when the adjustment with a large angle is met, the large-amplitude twist of the wrist easily causes the hand not to be easily stressed, the accuracy of the operation is seriously affected, and medical accidents are easily caused.

The invention content is as follows:

the invention discloses an ultrasonic knife convenient for quickly mounting and dismounting a knife head. The invention has simple structure and convenient assembly and disassembly, can quickly replace a proper cutter head and adjust the corresponding angle of the cutter head; the time of changing the tool bit in the doctor's operation has been saved and can the quick adjustment tool bit arrive suitable angle for exert oneself more easily during the doctor's operation, prevented that the too big problem of operation precision that leads to of doctor's wrist distortion angle from being enough.

In order to achieve the purpose, the invention provides the following technical scheme:

an ultrasonic knife convenient for quickly mounting and dismounting a knife head comprises an ultrasonic knife handle, wherein a first connecting rod is mounted on the ultrasonic knife handle, an energy transducer is mounted on the first connecting rod, the first connecting rod is connected with a second connecting rod through a quick dismounting structure, and the ultrasonic knife head is fixedly connected onto the second connecting rod; cavities arranged along the length direction are formed in the first connecting rod and the second connecting rod; two L-shaped clamping seats which are oppositely arranged are formed in the first connecting rod, and a socket is formed between the L-shaped clamping seats; a first ring piece is arranged on the inner side of the L-shaped clamping seat and connected with a second ring piece through a first elastic structure; the first ring piece is fixedly connected with the inner wall of the first connecting rod, and the second ring piece is connected with the inner wall of the first connecting rod in a sliding manner; two L-shaped connecting rods which are oppositely arranged are fixed on the inner wall of the second connecting rod, and the L-shaped connecting rods are connected with L-shaped clamping blocks matched with the L-shaped clamping seats.

In a further improvement, the second connecting rod comprises a fixed part connected with the first connecting rod and a rotating part fixedly connected with the ultrasonic scalpel head; the fixed part is connected with the rotating part through a rotary fixing structure.

In a further improvement, the rotary fixing structure comprises an inner connecting pipe which is rotatably connected with the inner wall of the fixed part and the inner wall of the rotating part through bearings respectively; a ring convex part is formed in the fixed part in a protruding way, and a convex ball is fixed on the ring convex part; the inner connecting pipe is connected with an annular slide block in a sliding way, and an arc-shaped groove matched with the convex ball is formed on the annular slide block; and a second elastic structure is arranged between the annular sliding block and the bearing connected with the rotating part.

In a further improvement, the first elastic structure and the second elastic structure are both springs.

Further improvement, the convex balls are arranged symmetrically, the number of the arc-shaped grooves is 12, and the arc-shaped grooves are uniformly arranged along the circumferential direction of the annular sliding block.

In a further improvement, the convex ball is integrally connected with the annular convex part.

Description of the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic perspective view of an L-shaped card holder;

fig. 3 is a schematic perspective view of an L-shaped latch.

The specific implementation mode is as follows:

in order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description is made with reference to the accompanying drawings and specific embodiments.

Example 1

The invention provides an ultrasonic knife convenient for quickly mounting and dismounting a knife head, which comprises an ultrasonic knife handle 1, wherein a connecting rod is mounted on the ultrasonic knife handle 1, and a transducer 3 is mounted on the connecting rod.

In order to realize the quick disassembly, assembly and replacement of the ultrasonic knife head 5, the following improvements are made:

the connecting rod comprises a first connecting rod 2, the first connecting rod 2 is connected with a second connecting rod 4 through a quick-release structure, and an ultrasonic cutter head 5 is fixedly connected onto the second connecting rod 4; cavities 6 arranged along the length direction are formed in the first connecting rod 2 and the second connecting rod 4; two L-shaped clamping seats 7 which are oppositely arranged are formed in the first connecting rod 2, and a socket 8 is formed between the L-shaped clamping seats 7; a first ring piece 9 is arranged on the inner side of the L-shaped clamping seat 7, and the first ring piece 9 is connected with a second ring piece 11 through a first elastic structure 10; the first ring piece 9 is fixedly connected with the inner wall of the first connecting rod 2, and the second ring piece 11 is slidably connected with the inner wall of the first connecting rod 2; two L-shaped connecting rods 12 which are oppositely arranged are fixed on the inner wall of the second connecting rod 4, and the L-shaped connecting rods 12 are connected with L-shaped clamping blocks 13 which are matched with the L-shaped clamping seats 7. The first resilient structure 10 is a spring.

When the ultrasonic scalpel head 5 needs to be replaced, the L-shaped fixture block 13 is inserted into the socket 8, then the second ring piece 11 is pressed downwards, and the second connecting rod 4 is rotated by 90 degrees, so that the L-shaped fixture block 13 is clamped into the L-shaped clamping seat 7, and then the fixing is completed. When needing to dismantle, reverse operation can dismantle out fast.

Example 2

On the basis of the embodiment 1, in order to conveniently adjust the angle of the ultrasonic knife head 5 in a quick way when performing surgery, the following improvements are made:

the second connecting rod 4 comprises a fixed part 41 connected with the first connecting rod 2 and a rotating part 42 fixedly connected with the ultrasonic scalpel head 5; the fixed portion 41 and the rotating portion 42 are connected by a rotation fixing structure.

The rotary fixing structure comprises an inner connecting pipe 44 which is rotatably connected with the inner wall of the fixed part 41 and the inner wall of the rotary part 42 through bearings 43; a ring convex part 45 is convexly formed in the fixing part 41, and a convex ball 46 is fixed on the ring convex part 45; an annular slide block 47 is connected on the inner connecting pipe 44 in a sliding way, and an arc-shaped groove 48 matched with the convex ball 46 is formed on the annular slide block 47; a second elastic structure 49 is installed between the annular slider 47 and the bearing 43 connected to the rotary part 42. The second resilient structure 49 is a spring.

Preferably, the number of the convex balls 46 is 2, the convex balls are symmetrically arranged with each other, the number of the arc-shaped grooves 48 is 12, and the arc-shaped grooves 48 are uniformly arranged along the circumferential direction of the annular sliding block 47.

Above-mentioned device, when needing to carry out the adjustment of 5 angles of supersound tool bit, rotatory rotating part 42, protruding ball 46 pushes down annular slider 47, compression spring, go into suitable arc wall 48 when protruding ball 46 card, annular slider 47 is popped up to the spring, realize the fixed of 5 angles of supersound tool bit through the arc wall, thereby can adjust the angle of supersound tool bit 5 as required, the distortion that the wrist must be by a wide margin when preventing the doctor from performing the operation (owing to set up 12 arc walls 48, make supersound tool bit 5 can use 30 to rotate as minimum unit, make the doctor's wrist rotate 30 at most and can reach suitable operation angle).

The foregoing is merely a specific example of the present invention, and it is within the scope of the invention to cover such modifications and substitutions as may be made without departing from the spirit and scope of the invention.

Claims

1. An ultrasonic knife convenient for quickly mounting and dismounting a knife head comprises an ultrasonic knife handle (1), wherein a first connecting rod (2) is mounted on the ultrasonic knife handle (1), and an energy transducer (3) is mounted on the first connecting rod (2), and is characterized in that the first connecting rod (2) is connected with a second connecting rod (4) through a quick dismounting structure, and an ultrasonic knife head (5) is fixedly connected onto the second connecting rod (4); cavities (6) arranged along the length direction are formed in the first connecting rod (2) and the second connecting rod (4); two L-shaped clamping seats (7) which are oppositely arranged are formed in the first connecting rod (2), and a socket (8) is formed between the L-shaped clamping seats (7); a first ring piece (9) is arranged on the inner side of the L-shaped clamping seat (7), and the first ring piece (9) is connected with a second ring piece (11) through a first elastic structure (10); the first ring piece (9) is fixedly connected with the inner wall of the first connecting rod (2), and the second ring piece (11) is connected with the inner wall of the first connecting rod (2) in a sliding manner; two L-shaped connecting rods (12) which are arranged oppositely are fixed on the inner wall of the second connecting rod (4), and the L-shaped connecting rods (12) are connected with L-shaped clamping blocks (13) matched with the L-shaped clamping seats (7).

2. The ultrasonic blade facilitating quick mounting and dismounting of a blade according to claim 1, wherein the second connecting rod (4) comprises a fixed portion (41) connected to the first connecting rod (2) and a rotating portion (42) fixedly connected to the ultrasonic blade (5); the fixed part (41) and the rotating part (42) are connected through a rotating and fixing structure.

3. The ultrasonic blade for facilitating the quick mounting and dismounting of the blade according to claim 2, wherein the rotary fixing structure comprises an inner connecting tube (44) rotatably connected to the inner wall of the fixed portion (41) and the inner wall of the rotary portion (42) through bearings (43), respectively; a ring convex part (45) is convexly formed in the fixing part (41), and a convex ball (46) is fixed on the ring convex part (45); the inner connecting pipe (44) is connected with an annular sliding block (47) in a sliding way, and an arc-shaped groove (48) matched with the convex ball (46) is formed on the annular sliding block (47); a second elastic structure (49) is arranged between the annular slide block (47) and a bearing (43) connected with the rotating part (42).

4. An ultrasonic blade for facilitating quick mounting and dismounting of a cutting head according to claim 3, wherein the first resilient structure (10) and the second resilient structure (49) are both springs.

5. The ultrasonic scalpel facilitating quick mounting and dismounting of a scalpel head as claimed in claim 3, wherein the number of the convex balls (46) is 2, the convex balls are symmetrically arranged with each other, the number of the arc-shaped grooves (48) is 12, and the arc-shaped grooves (48) are uniformly arranged along the circumferential direction of the annular slider (47).

6. The ultrasonic blade for facilitating quick mounting and dismounting of a tool bit according to claim 3, wherein the convex ball (46) is integrally connected to the annular convex portion (45).