CN111012445B

CN111012445B - Medical scissors of rotation regulation

Info

Publication number: CN111012445B
Application number: CN201911262338.3A
Authority: CN
Inventors: 马英路; 张宾; 王明辉; 黄上俭
Original assignee: Individual
Current assignee: Ma Yinglu
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2022-06-21
Anticipated expiration: 2039-12-11
Also published as: CN111012445A

Abstract

The invention relates to medical scissors, in particular to medical scissors capable of being adjusted in a rotating mode. The invention aims to provide a pair of medical scissors which can conveniently adjust the length of a handle and the tightness between blades and can be rotationally adjusted. A medical scissors with rotary adjustment comprises a first blade, a second blade, a pin, a hilt, a length adjusting component, a tightness adjusting component and the like; first blade and second blade middle part are connected through the pin rotary type, and first blade and second blade tail end all are connected with the same hilt, all install between hilt and first blade and the second blade and carry out length adjustment's length control subassembly through the pivoted mode. The length between the blade and the knife handle can be adjusted through the length adjusting assembly, so that the knife is more convenient for people to use, and the tightness degree of the blade can be adjusted through the tightness adjusting assembly, so that people feel more comfortable and convenient to use.

Description

Medical scissors of rotation regulation

Technical Field

The invention relates to medical scissors, in particular to medical scissors capable of being adjusted in a rotating mode.

Background

The medical scissors are a medical instrument which is commonly used in clinical operations and is mainly used for cutting off coarse soft tissues such as skin or muscle. In clinical operation, because the length of surgical scissors is fixed, it is not very convenient when using to lead to, and frictional force is great when surgical scissors just begins to use, and it is not hard up again easily to use for a long time, needs to change.

Patent of patent publication No. CN206982745U discloses a medical scissors of adjustable length, and this invention includes first blade and second blade, the middle part of first blade and second blade passes through round pin axle swing joint, the right side fixedly connected with sleeve pipe of first blade, the inside of sleeve pipe is provided with first hilt, the top of first hilt is seted up flutedly, the right-hand member of first hilt runs through the sleeve pipe and extends to the sheathed tube outside, the inside of recess is provided with the fixture block, the top fixedly connected with movable rod of fixture block. According to the medical scissors, the movable rod and the spring are arranged, the clamping block can be driven to move to be separated from the groove, then the first knife handle is moved to adjust the length of the medical scissors, the threaded rod and the threaded sleeve are arranged, the length of the second knife handle can be adjusted, and meanwhile, the problem that the medical scissors cannot be adjusted due to fixed length in the using process and are inconvenient to use, and therefore the operation of a doctor is affected is solved. The length of the medical scissors can be changed by the device, but the two knife handles cannot be in the same length when the length is changed, so that the medical scissors are inconvenient to use and the tightness degree between the blades cannot be adjusted when the medical scissors are used.

Therefore, the technical problem to be solved by the invention is how to design the medical scissors which can conveniently adjust the length of the handle and the tightness between the blades.

Disclosure of Invention

In order to overcome the defects that the length of a knife handle cannot be accurately adjusted and the tightness degree between blades cannot be adjusted when the knife handle is used, the technical problem of the invention is as follows: provides a pair of medical scissors which can conveniently adjust the rotation adjustment of the length of a knife handle and the tightness between blades.

The technical scheme is as follows: a rotationally adjustable medical shears comprising: the middle parts of the first blade and the second blade are rotatably connected through the pin; two knife handles are arranged at the tail ends of the first blade and the second blade; the two length adjusting components are arranged between the tool holder and the first blade and between the tool holder and the second blade; the tightness adjusting assembly is installed between the second blade and the pin, and tightness is adjusted in a rotating mode.

Furthermore, it is particularly preferred that the length adjustment assembly comprises an annular slide rail, an annular slide block, a circular ring, the cutting tool comprises a first clamping block, a torsion spring and a second clamping block, sliding grooves are formed in the tail ends of a first blade and a second blade, straight grooves are formed in the front side and the rear side of the tail ends of the first blade and the second blade, at least two arc grooves are formed in the outer sides of the tail ends of the first blade and the second blade at equal intervals, annular sliding rails are mounted at the tail ends of the first blade and the second blade, annular sliding blocks are mounted in the annular sliding rails in a sliding mode, circular rings are mounted in the annular sliding blocks, the torsion spring is connected between the circular rings and the annular sliding rails, clamping grooves are formed in the front side and the rear side of the inner portion of the circular rings, the front end of a hilt penetrates through the circular rings and is located in the sliding grooves in a sliding mode, the first clamping block is mounted on the front side and the rear side of the hilt, the first clamping block is matched with the clamping grooves, a second clamping block is mounted at the tail end of the hilt, and matched with the arc grooves.

In addition, it is especially preferred that the tight regulation subassembly includes casing, screw rod, first gear, nut and cutting ferrule, installs the casing on the second blade, and the screw rod is installed to the left side rotary type in the casing, and first gear is installed on screw rod upper portion, and the cooperation has the nut on the screw rod, and the cutting ferrule is installed on the nut left side, and the cutting ferrule blocks the pin.

In addition, especially preferred is, still including rotating assembly, rotating assembly is including pivot, second gear and ball, and the pivot is installed to the right side rotary type in the casing, installs the second gear in the pivot, all rolls the formula and installs the ball between second gear front and back both sides and the casing.

Has the advantages that: the length between the blade and the knife handle can be adjusted through the length adjusting assembly, so that the knife handle is more convenient for people to use, the tightness degree of the blade can be adjusted through the tightness adjusting assembly, people feel more comfortable and convenient when using the knife handle, the second gear is rotated to drive the first gear to rotate, so that the cutting sleeve is driven to move, the tightness degree of the surgical scissors is further adjusted, and the ball rotates along with the second gear, so that the knife handle is more labor-saving when adjusting the tightness degree, and is convenient for people to use.

Drawings

Fig. 1 is a schematic front view of the present invention.

Fig. 2 is a schematic front view of the length adjustment assembly of the present invention.

Fig. 3 is a schematic front view of the rotating assembly of the present invention.

FIG. 4 is a left side view of the slack adjuster assembly and the rotary assembly of the present invention.

Labeled in the figure as: 1 … first blade, 2 … second blade, 3 … pin, 4 … handle, 5 … sliding groove, 51 … straight groove, 6 … arc groove, 7 … annular sliding rail, 8 … annular sliding block, 9 … circular ring, 10 … clamping groove, 11 … first clamping block, 12 … torsion spring, 13 … second clamping block, 14 … shell, 15 … screw, 16 … first gear, 17 … nut, 18 … clamping sleeve, 19 … rotating shaft, 20 … second gear and 21 … ball.

Detailed Description

The invention is described in detail below with reference to the drawings and specific examples, but the invention is not limited thereto.

Example 1

The utility model provides a medical scissors of rotation regulation, as shown in fig. 1-4, including first blade 1, second blade 2, pin 3, hilt 4, length adjustment subassembly and elasticity adjusting part,

first blade

1 and 2 middle parts of second blade are connected through pin 3 rotary type,

first blade

1 and 2 tail ends of second blade all are connected with the same hilt 4, all install between hilt 4 and first blade 1 and the second blade 2 and carry out length adjustment's length adjustment subassembly through the pivoted mode, install the elasticity adjusting part who adjusts the elasticity through the pivoted mode between second blade 2 and the pin 3.

As shown in fig. 1 and 2, the length adjusting assembly comprises an annular slide rail 7, an annular slide block 8, a ring 9, a first clamping block 11, a torsion spring 12 and a second clamping block 13, wherein the tail ends of the first blade 1 and the second blade 2 are respectively provided with a slide groove 5, the front and back sides of the tail ends of the first blade 1 and the second blade 2 are respectively provided with a straight groove 51, the outer sides of the tail ends of the first blade 1 and the second blade 2 are respectively provided with a row of arc grooves 6 at equal intervals, the tail ends of the first blade 1 and the second blade 2 are respectively provided with the annular slide rail 7, the annular slide rail 7 is internally provided with the annular slide block 8 in a sliding manner, the annular slide block 8 is internally provided with the ring 9, the torsion spring 12 is connected between the ring 9 and the annular slide rail 7, the front and back sides of the inner part of the ring 9 are respectively provided with a clamping groove 10, the front end of the knife handle 4 passes through the ring 9 and is positioned in the slide groove 5, the front and back sides of the knife handle 4 are respectively provided with the first clamping block 11, the first clamping block 11 is matched with the clamping groove 10, the tail ends of the knife handles 4 are respectively provided with a second clamping block 13, and the second clamping blocks 13 are matched with the arc-shaped grooves 6.

As shown in fig. 1, 2 and 4, the tightness adjusting assembly comprises a housing 14, a screw 15, a first gear 16, a nut 17 and a clamping sleeve 18, the housing 14 is mounted on the second blade 2, the screw 15 is rotatably mounted on the left side in the housing 14, the first gear 16 is mounted on the upper portion of the screw 15, the nut 17 is matched on the screw 15, the clamping sleeve 18 is mounted on the left side of the nut 17, and the clamping sleeve 18 clamps the pin 3.

The embodiment of the utility model provides a concrete implementation mode, when the staff was using this surgical scissors, the staff can adjust the length between first blade 1 and second blade 2 and the handle of a knife 4 through the length adjustment subassembly, makes things convenient for the staff to use more, and simultaneously, the staff also can adjust the elasticity degree between first blade 1 and the second blade 2 through the elasticity adjustment subassembly, so, makes things convenient for people to use more.

When the length between the first blade 1, the second blade 2 and the handle knife 4 is adjusted by a worker, the handle knife 4 is firstly screwed to rotate 90 degrees, the first clamping block 11 rotates 90 degrees along with the first clamping block 11, the first clamping block 11 is matched with the clamping groove 10, so that the circular ring 9 is driven to rotate, the circular sliding block 8 rotates along with the circular sliding block 7, the torsion spring 12 is compressed, the second clamping block 13 rotates 90 degrees along with the second clamping block and does not clamp the arc-shaped groove 6 any longer, then the worker pulls the handle knife 4 to the outer side to a proper length, the first clamping block 11 slides outwards in the clamping groove 10 along with the first clamping block, then the handle knife 4 is loosened, under the reset effect of the torsion spring 12, the circular ring 9 rotates to reset along with the second clamping block 9, so that the handle knife 4 is driven to rotate to reset through the first clamping block 11, the second clamping block 13 rotates to reset to be clamped into the arc-shaped groove 6 along with the second clamping block, therefore, the length of the surgical scissors can be adjusted, and the surgical scissors are more convenient for people to use.

When the staff need adjust the elasticity of surgical scissors, the staff rotates first gear 16 and drives screw rod 15 and rotate to drive nut 17 and remove on screw rod 15, cutting ferrule 18 removes thereupon, and stop rotating first gear 16 after cutting ferrule 18 removes suitable position, and then adjusts the elasticity degree between first blade 1 and the second blade 2, so, can adjust the elasticity degree of surgical scissors, make things convenient for people to use more.

Example 2

As shown in fig. 4, on the basis of embodiment 1, in order to better use the apparatus, the apparatus further includes a rotating component, the rotating component includes a rotating shaft 19, a second gear 20 and balls 21, the rotating shaft 19 is rotatably installed on the right side in the housing 14, the second gear 20 is keyed on the rotating shaft 19, and two balls 21 are respectively installed between the front side and the rear side of the second gear 20 and the housing 14 in a rolling manner.

The concrete implementation of above-mentioned embodiment, staff rotate second gear 20 and drive first gear 16 and rotate when adjusting the elasticity degree of surgical scissors, thereby drive cutting ferrule 18 and remove, and then adjust the elasticity degree of surgical scissors, and ball 21 rotates along with second gear 20, so, more laborsaving when adjusting the elasticity degree, make things convenient for people to use.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the claims appended to the present application.

Claims

1. A medical scissors of rotation regulation, characterized by, including: the middle parts of the first blade and the second blade are rotatably connected through the pin; two knife handles are arranged at the tail ends of the first blade and the second blade; the two length adjusting components are arranged between the tool holder and the first blade and between the tool holder and the second blade; the tightness adjusting assembly is arranged between the second blade and the pin and used for adjusting the tightness in a rotating mode; the length adjusting component comprises an annular slide rail, an annular slide block, a circular ring, a first clamping block, a torsion spring and a second clamping block, the tail ends of a first blade and a second blade are provided with slide grooves, the front side and the rear side of the tail ends of the first blade and the second blade are provided with straight grooves, the outer sides of the tail ends of the first blade and the second blade are provided with at least two arc grooves at equal intervals, the tail ends of the first blade and the second blade are provided with the annular slide rail, the annular slide block is installed in the annular slide rail in a sliding mode, the circular ring is installed in the annular slide rail, the torsion spring is connected between the circular ring and the annular slide rail, the front side and the rear side of the inside of the circular ring are provided with clamping grooves, the front end of a knife handle penetrates through the circular ring in the slide grooves, the first clamping block is installed on the front side and the rear side of the knife handle, the first clamping block is matched with the clamping grooves, the tail end of the knife handle is provided with the second clamping block, and the second clamping block is matched with the arc grooves.

2. The medical scissors with the rotation regulation function as claimed in claim 1, wherein the tightness regulating component comprises a shell, a screw rod, a first gear, a nut and a clamping sleeve, the shell is mounted on the second blade, the screw rod is rotatably mounted on the left side in the shell, the first gear is mounted on the upper portion of the screw rod, the nut is matched on the screw rod, the clamping sleeve is mounted on the left side of the nut, and the clamping sleeve clamps a pin.

3. The rotary adjustable medical shears as claimed in claim 2, further comprising a rotary member, wherein the rotary member comprises a shaft, a second gear and balls, the shaft is rotatably mounted on the right side of the housing, the second gear is mounted on the shaft, and the balls are rotatably mounted between the front and rear sides of the second gear and the housing.