Suction device for being loaded on ultrasonic knife
Technical Field
The invention relates to the technical field of medical instruments, in particular to a suction device loaded on an ultrasonic knife.
Background
Medical instruments refer to instruments, devices, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related items used directly or indirectly on the human body, including the required computer software.
The prior art has the following problems: most of the suction devices used on the ultrasonic scalpel at present have the problem that smoke, blood and the like cannot be sucked quickly or the suction force is too large, so that the body of a patient is damaged.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a suction device for loading on an ultrasonic knife.
In order to achieve the purpose, the invention adopts the following technical scheme: a suction device used for being loaded on an ultrasonic scalpel comprises a fixed block clamped on a scalpel body, wherein the upper end of the scalpel body is provided with a clamping groove, the lower end of the fixed block is fixedly connected with a sliding block, and the sliding block is clamped in the clamping groove;
a cylindrical hole is formed in the fixed block and is communicated with a suction tube, and one end, far away from the fixed block, of the suction tube is located at a cutter head of the cutter body;
the side wall of the fixed block is fixedly connected with an operation block, the side wall of the operation block is provided with a side groove, a roller is rotatably connected in the side groove through a round shaft, the roller is coaxially and fixedly connected with a small gear, the small gear is meshed with a large gear, and the axis of the large gear is in threaded connection with a threaded shaft;
the threaded shaft is connected with an extrusion assembly, and the extrusion assembly is connected with the suction tube.
In the suction device for loading on the ultrasonic scalpel, the suction tube is composed of an elastic tube body and a rubber plate, the elastic tube body is made of an elastic film, the rubber plate is made of rubber with certain elasticity, and the rubber plate is in a long strip shape.
In the suction device for loading on the ultrasonic scalpel, the elastic tube body and the rubber plate alternately form a tubular structure, and a strip-shaped round hole is formed in the rubber plate.
In the above-mentioned suction device for loading on ultrasonic knife, an annular groove has been seted up to the lateral wall of gear wheel, the annular groove sets up with the gear wheel is concentric, sliding connection has two branch at least in the annular groove, every the equal fixed connection of one end that the gear wheel was kept away from to branch is at the inner wall of limit groove.
In the suction device for being loaded on the ultrasonic scalpel, a piston cavity is formed in the side wall of the side groove of the operating block, a piston plate is connected in the piston cavity in a sealing and sliding mode, the piston plate is fixedly connected with the threaded shaft, the piston cavity is a prismatic cavity, and the piston cavity is communicated with the round holes of the rubber plates through hoses.
In the above suction device for loading on the ultrasonic scalpel, the upper end of the fixed block is fixedly connected with a driver, the driver includes a driving block, the driving block is of a hollow structure, the upper end of the driving block is fixedly connected with a micro motor, an output shaft of the micro motor penetrates into the driving block and is fixedly connected with a first bevel gear, the first bevel gear is fixedly connected with a second bevel gear, a power shaft is fixedly connected to the axis of the second bevel gear, a tapered roller is fixedly connected to the power shaft, and the tapered roller is connected with an output assembly.
In the suction device for being loaded on the ultrasonic scalpel, the output assembly comprises an operating rod which is connected to the side wall of the transmission block in a penetrating and sliding manner, one end of the operating rod, which is positioned in the transmission block, is fixedly connected with a sliding sleeve, a sliding column is connected in the sliding sleeve in a sliding manner, a U-shaped clamping block is fixedly connected to the sliding column, an intermediate shaft is connected to the clamping block in a rotating manner, a synchronizing wheel is coaxially and fixedly connected to the intermediate shaft, and the synchronizing wheel abuts against the tapered roller;
and a spring is fixedly connected in the sliding sleeve and is fixedly connected with the sliding column.
In the suction device for loading on the ultrasonic scalpel, one end of the intermediate shaft is connected with a telescopic rod through a universal joint, one end, far away from the intermediate shaft, of the telescopic rod is connected with a box penetrating rod through the universal joint, the box penetrating rod penetrates through the side wall of the transmission block and is connected with an output rod through the universal joint, and the output rod penetrates through the inner wall of the fixed block.
In the suction device for being loaded on the ultrasonic knife, the box penetrating rod is rotatably connected with the side wall of the transmission block through a bearing, the output rod penetrates into the fixing block and is connected with the impeller shaft through a universal joint, and the impeller shaft is provided with the fan blades.
Compared with the prior art, the invention has the advantages that:
1. the fingers of a worker stir the roller on the operation block to drive the coaxial small gear to rotate, the small gear rotates and is meshed to drive the large gear to rotate, and the large gear rotates to drive the threaded shaft to slide through a thread matching effect; the threaded shaft slides and drives the piston plate to move, the threaded shaft moves and drives the piston plate of the extrusion assembly to move, so that the pressure in the piston cavity is increased, the piston cavity is communicated with the round hole, the round hole is filled with air and is in a tensioning state, the tensioned round hole enables the rubber plate to be in a straight state, the sectional area of the end part of the suction tube is increased, and the volume of the suction tube capable of sucking the drainage body is enlarged.
2. When the worker needs to adjust the size of the suction force, the thumb is used for pushing the operating rod to move back and forth, the synchronizing wheel still abuts against the tapered roller in the process, but the synchronizing wheel is in contact with different positions of the tapered roller, the rotating angular speed of the tapered roller is unchanged, but the linear speed of the tapered roller at the contact position of the moving synchronizing wheel is changed, so that the rotating speed of the synchronizing wheel is changed, finally, the rotating speed of the fan blades is changed, and the negative pressure size and the suction force size are adjusted.
Drawings
FIG. 1 is a schematic structural view of a suction device for loading on an ultrasonic blade according to the present invention;
FIG. 2 is a side cross-sectional view of a portion of a fixed block of a suction device for loading onto an ultrasonic blade in accordance with the present invention;
FIG. 3 is a cross-sectional view of a side groove portion of a suction device for loading on an ultrasonic blade according to the present invention;
FIG. 4 is an enlarged schematic view of a portion of the transmission block of the suction device for mounting on an ultrasonic blade in accordance with the present invention;
fig. 5 is an enlarged schematic view of a part a of the suction device for mounting on an ultrasonic blade according to the present invention.
In the figure: 1 cutter body, 2 fixed block, 21 impeller shaft, 3 suction tube, 31 elastic tube body, 32 colloidal plate, 33 round hole, 4 sliding block, 5 operation block, 51 side groove, 52 roller, 53 pinion, 54 bull gear, 55 screw shaft, 56 ring groove, 57 support rod, 58 piston cavity, 59 piston plate, 61 transmission block, 62 first bevel gear, 63 second bevel gear, 64 power shaft, 65 conical roller, 66 synchronous wheel, 67 middle shaft, 68 fixture block, 69 sliding column, 610 sliding sleeve, 611 spring, 612 operation rod, 613 telescopic rod, 614 box penetrating rod, 615 output rod, 7 micro motor.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-5, a suction device for loading on an ultrasonic scalpel comprises a fixed block 2 clamped on a scalpel body 1, wherein the upper end of the scalpel body 1 is provided with a clamping groove, the lower end of the fixed block 2 is fixedly connected with a sliding block 4, the sliding block 4 is clamped in the clamping groove, and the sliding block 4 is installed in the clamping groove when in use;
a cylindrical hole is formed in the fixed block 2, the cylindrical hole is communicated with the suction tube 3, one end, far away from the fixed block 2, of the suction tube 3 is located at the cutter head of the cutter body 1, and when the cutter is used, the head of the suction tube 3 is sucked;
an operation block 5 is fixedly connected to the side wall of the fixed block 2, a side groove 51 is formed in the side wall of the operation block 5, a roller 52 is rotatably connected to the inside of the side groove 51 through a circular shaft, a small gear 53 is coaxially and fixedly connected to the roller 52, the small gear 53 is meshed with a large gear 54, and a threaded shaft 55 is in threaded connection with the axis of the large gear 54; the fingers of the worker stir the roller 52 on the operation block 5 to drive the coaxial small gear 53 to rotate, the small gear 53 rotates and is meshed to drive the large gear 54 to rotate, and the large gear 54 rotates to drive the threaded shaft 55 to slide through a thread matching effect; the threaded shaft 55 slides to move the piston plate 59.
The threaded shaft 55 is connected with an extrusion assembly, the extrusion assembly is connected with the suction tube 3, and the extrusion assembly comprises a piston cavity 58 formed in the side wall of the side groove 51 of the operation block 5, a piston plate 59 is connected in the piston cavity 58 in a sealing and sliding mode, the piston plate 59 is fixedly connected with the threaded shaft 55, the piston cavity 58 is a prismatic cavity, the piston cavity 58 is communicated with the round holes 33 of the rubber plates 32 through hoses, the threaded shaft 55 moves to drive the piston plate 59 of the extrusion assembly to move, so that the pressure in the piston cavity 58 is increased, the piston cavity 58 is communicated with the round holes 33, the round holes 33 are filled with air in a tensioning state, the rubber plates 32 can be in a straight state through the tensioned round holes 33, the sectional area of the end portion of the suction tube 3 is increased, and the amount of the suction tube capable of sucking a drainage body is increased.
The suction tube 3 is composed of an elastic tube body 31 and a rubber plate 32, the elastic tube body 31 is made of an elastic film, the rubber plate 32 is made of rubber material with certain elasticity, and the rubber plate 32 is in a long strip shape; elastic tube body 31 and gluey board 32 constitute a tubular structure in turn, gluey board 32 is inside to be provided with banding round hole 33, elastic tube body 31 has obvious elasticity, under normal condition, not fill up the air in round hole 33 and be in the shrivelled state, elastic tube body 31 self elasticity this moment makes its shrink and be in the state shown in figure 1, but piston chamber 58 internal gas pressure increase and make when gluey pipe 32 is in flat state, attract pipe 3 then can be in the shape of a cylinder type pipeline.
An annular groove 56 is formed in the side wall of the large gear 54, the annular groove 56 and the large gear 54 are concentrically arranged, at least two support rods 57 are slidably connected in the annular groove 56, and one end, far away from the large gear 54, of each support rod 57 is fixedly connected to the inner wall of the side groove 51; the upper end fixedly connected with driver of fixed block 2, the driver includes transmission block 61, transmission block 61 is hollow structure, micro motor 7 of the upper end fixedly connected with of transmission block 61, micro motor 7's output shaft runs through to in transmission block 61 and a first bevel gear 62 of fixedly connected with, a second bevel gear 63 of first bevel gear 62 fixedly connected with, a power shaft 64 of axle center department fixedly connected with of second bevel gear 63, a taper roller 65 of fixedly connected with on the power shaft 64, taper roller 65 is connected with output assembly, micro motor 7 works and drives first bevel gear 62 and rotate, first bevel gear 62 drives second bevel gear 63 and rotates, thereby it rotates to drive coaxial taper roller 65. The one end of jackshaft 67 is connected with telescopic link 613 through the universal joint, and the one end that jackshaft 67 was kept away from to telescopic link 613 is connected with through the universal joint and wears box pole 614, wears box pole 614 and runs through the driving block 61 lateral wall and be connected with output rod 615 through the universal joint, and output rod 615 runs through to fixed block 2 inner wall.
The box penetrating rod 614 is rotatably connected with the side wall of the transmission block 61 through a bearing, the output rod 615 penetrates into the fixed block 2 and is connected with the impeller shaft 21 through a universal joint, and blades are arranged on the impeller shaft 21. Because the tapered roller 65 abuts against the synchronous wheel 66, the power can be transmitted to the synchronous wheel 66, and the synchronous wheel 66 transmits the power to the impeller shaft 21 through the intermediate shaft 67, the telescopic rod 613, the box penetrating rod 614 and the output rod 615, so that the rotation of the fan blades generates negative pressure, namely, suction force is generated, and a suction effect is generated.
The output assembly comprises an operating rod 612 which is connected to the side wall of the transmission block 61 in a penetrating and sliding manner, an operating ring can be arranged on the operating rod 612, the operating ring can be sleeved on a thumb to control the front and back movement of the thumb, a sliding sleeve 610 is fixedly connected to one end, located in the transmission block 61, of the operating rod 612, a sliding column 69 is connected in the sliding sleeve 610 in a sliding manner, a U-shaped clamping block 68 is fixedly connected to the sliding column 69, an intermediate shaft 67 is connected to the clamping block 68 in a rotating manner, a synchronizing wheel 66 is coaxially and fixedly connected to the intermediate shaft 67, and the synchronizing wheel 66 abuts against the tapered roller 65;
a spring 611 is fixedly connected in the sliding sleeve 610, and the spring 611 is fixedly connected with the sliding column 69. The spring 611 works to enable the sliding column 69 to tend to move towards the tapered roller 65, so that the synchronizing wheel 66 and the tapered roller 65 are kept in a propping state, when a worker needs to adjust the suction force, the worker pushes the operating rod to move back and forth by using a thumb, the synchronizing wheel 66 still props against the tapered roller 65 in the process, but the synchronizing wheel 66 is in contact with different positions of the tapered roller 65, the rotating angular speed of the tapered roller 65 is unchanged, but the linear speed of the tapered roller 65 where the moving synchronizing wheel 66 is in contact changes, so that the rotating speed of the synchronizing wheel 66 changes, and finally the rotating speed of fan blades changes, so that the negative pressure is adjusted, and the suction force is changed.
Although the terms of 1 cutter body, 2 fixed block, 21 impeller shaft, 3 suction tube, 31 elastic tube body, 32 colloidal plate, 33 round hole, 4 sliding block, 5 operating block, 51 side groove, 52 roller, 53 pinion, 54 large gear, 55 threaded shaft, 56 annular groove, 57 support rod, 58 piston cavity, 59 piston plate, 61 transmission block, 62 first bevel gear, 63 second bevel gear, 64 power shaft, 65 conical roller, 66 synchronous wheel, 67 intermediate shaft, 68 clamping block, 69 sliding column, 610 sliding sleeve, 611 spring, 612 operating rod, 613 telescopic rod, 614 box penetrating rod, 615 output rod, 7 micro motor and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.