CN211156089U

CN211156089U - Lower drum type suction cutting pliers

Info

Publication number: CN211156089U
Application number: CN201921953395.1U
Authority: CN
Inventors: 肖健齐; 肖卓宜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-04
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a lower drum type suction cutting forceps, which belongs to the technical field of surgical equipment. The top end of the suction catheter is communicated with a rectangular suction cavity box, the side wall of the suction cavity box is communicated with a branch pipe, the end part of the branch pipe is connected with an air guide pipe of a suction device through a stepped joint, the top end of the suction cavity box is screwed into a tailstock joint, a rotating shaft is arranged in the tailstock joint and is connected with a motor of a craniotomy power system, a rotary knife is arranged in the end part of the suction catheter, the bottom end of the rotary knife is provided with inner ring sawteeth, the top end of the rotary knife is connected with the end part of a thin rotating shaft through a supporting plate, the thin rotating shaft is positioned in the suction catheter, the tail end of the thin rotating shaft is fixedly connected with a wing plate, the thin rotating shaft is connected with the rotating shaft of the tailstock joint through the wing plate, the air guide pipe of the suction device sucks air in the suction cavity box to form negative pressure in the suction, the subsequent operation of the operation is convenient.

Description

Lower drum type suction cutting pliers

Technical Field

The utility model relates to a lower drum type suction cutting forceps, which belongs to the technical field of surgical equipment.

Background

In endoscopic minimally invasive surgery, the operation is performed through cavities such as the nose or the sinus, so that mucosa or soft tissue is difficult to remove and blood seeps. Although the aspirator can suck blood out, in the suction process, the removal of soft tissues such as mucosa and thin bone is difficult, which greatly affects the operation efficiency, and in the suction process, the blood suction is affected, which easily blocks the suction tube.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies existing in the prior art, the utility model provides a lower drum-type suction and cutting pliers, when can attracting blood, will inhale intraductal mucosa, sclerotin and cut, guarantee the unobstructed of aspirator, effectively clear away the unnecessary tissue of operation route, improve operation efficiency, improve the effect of punching, make things convenient for follow-up operation.

The utility model provides a technical scheme that its technical problem adopted is: a lower drum type suction cutting pliers comprises a suction conduit, a suction cavity box, a branch pipe, a step line joint, a tailstock joint, a slender shaft rod, a rotary drum cutter, a wing plate and a support plate, wherein the suction conduit is a cylindrical pipe body, the top end of the suction conduit is communicated with the rectangular suction cavity box, the side wall of the suction cavity box is provided with a speed regulation ventilation groove, the side wall of the suction cavity box is communicated with the branch pipe, the end part of the branch pipe is fixedly connected with the step line joint and is connected with an air guide pipe of a suction device through the step line joint, the top end of the suction cavity box is screwed with the tailstock joint in a threaded manner, the tailstock joint is internally provided with a rotary shaft, the rotary shaft is connected with a craniotomy power system motor, the rotary drum cutter is arranged in the end part of the suction conduit, the rotary drum cutter is a cylindrical barrel body without a sealing cover at the top end, the diameter of the rotary drum cutter is, the tail end of the thin shaft rod is fixedly connected with a wing plate, and the thin shaft rod is connected with a rotating shaft of the tail seat joint through the wing plate;

the suction catheter is characterized in that the suction catheter comprises five types, namely a straight tube type and four bottom bending types, the bottom bending types are four bending tube bodies with the bottom ends facing to four directions, namely front, back, left and right, and a roller cutter in the bottom bending tube bodies is positioned in an upper tube body at a bending position.

Wherein, the tailstock joint comprises an external thread sleeve, a rotating shaft, a hexagonal knob sleeve, clamping plates, an inner hexagonal locking screw, a motor butt sleeve, a sealing bearing and a locking ring, the external thread sleeve is a cylindrical pipe body with external threads at the front end, the external thread sleeve is screwed into the top end of the suction cavity box and is communicated with an inner cavity of the suction cavity box, the hexagonal knob sleeve is fixedly connected to the outer side of the external thread sleeve above the suction cavity box, the top end of the external thread sleeve is provided with a notch, the clamping plates are fixedly connected to the side walls at the two sides of the notch of the external thread sleeve, the two clamping plates are parallel to each other, the two clamping plates are locked by the inner hexagonal locking screw, a partition plate is arranged at the hexagonal knob sleeve in the external thread sleeve, the center of the partition plate is provided with a shaft hole, the rotating shaft is inserted in the shaft hole, the side wall of the rotating shaft is provided with external, the butt joint groove is formed in the motor butt joint sleeve, the butt joint groove of the motor butt joint sleeve is the same as the shape of the power shaft end of a connected craniotomy power system motor, the power shaft end of the craniotomy power system motor can be inserted into the butt joint groove, the lower end of a sealing bearing below the sealing bearing is provided with a locking ring of a threaded screwing-in rotating shaft, a duckbill opening is formed in the end portion of the rotating shaft extending below the locking ring, a shaft hole is formed in the end portion of the duckbill opening, the diameter of the shaft hole is the same as that of a thin shaft rod, the tail end of the thin shaft rod is inserted into the shaft hole of the duckbill opening at the front end of the rotating shaft, and the.

The utility model has the advantages that: the problem of current passageway unnecessary tissue of wicresoft more and be difficult to clear away is solved, provides a multi-angle down drum-type suction cutting pincers, when can attracting blood, will inhale intraductal mucosa, sclerotin and cut, guarantees unobstructed of aspirator, effectively clears away the unnecessary tissue of passageway, improves operation efficiency, improves the effect, convenient follow-up operation, whole device structure is small and exquisite, facilitates the use, convenient dismantlement and cleaning and disinfecting.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a main sectional view of the present invention.

Fig. 4 is a partial structural sectional view of the present invention.

Fig. 5 is a cross-sectional view of the tailstock joint structure of the present invention.

Fig. 6 is a schematic view of the tailstock joint structure of the present invention.

Fig. 7 is a schematic view of the tailstock joint structure of the present invention.

Fig. 8 is a schematic view of the tail end structure of the thin shaft of the present invention.

Fig. 9 is a schematic structural view of the drum knife of the present invention.

Fig. 10 is a schematic structural view of the drum knife of the present invention.

Fig. 11 is a schematic view of the structure of the pipe end of the present invention.

Fig. 12 is a schematic structural view of the present invention mounted on the motor of the craniotomy power system.

Fig. 13 is a structural section view of the utility model mounted on the motor of the craniotomy power system.

Fig. 14 is a schematic structural view of the elbow suction catheter of the present invention.

Fig. 15 is a sectional view of the elbow suction tube of the present invention.

Reference numbers in the figures:

1. the suction catheter comprises a suction cavity box, a speed-regulating ventilation groove, a branch pipe, a step line joint, a tailstock joint, a tail seat joint, a fine shaft rod, a rotary knife, a threaded sleeve, a rotating shaft, a duckbilled opening, a hexagonal knob sleeve, a notch, a clamping plate, a locking screw, a motor butt joint sleeve, a sealing bearing, a locking ring, a locking groove, a wing plate, a motor, an inner ring sawtooth, a supporting plate and a craniotomy power system motor, wherein the suction cavity box is 3, the speed-regulating ventilation groove is 4, the branch pipe is 5, the step line joint is 6.

Detailed Description

As shown in figures 1-15, the lower roller type suction cutting pliers comprises a suction conduit 1, a suction chamber box 2, a branch pipe 4, a step joint 5, a tail seat joint 6, a thin shaft rod 7, a roller cutter 8, a wing plate 20 and a supporting plate 22.

The suction catheter 1 is a cylindrical tube body, the top end of the suction catheter is communicated with a rectangular suction cavity box 2, the side wall of the suction cavity box 2 is provided with a speed-regulating ventilating groove 3, the side wall of the suction cavity box 2 is communicated with a branch tube 4, the end part of the branch tube 4 is fixedly connected with a stepped joint 5, the stepped joint 5 is connected with a suction apparatus air duct, the suction apparatus air duct takes away gas inside the suction cavity box 2 to form negative pressure inside the suction cavity box 2, so that the end part of the suction catheter 1 performs suction, the speed-regulating ventilating groove 3 can enable air to contact the inside of the suction cavity box 2, the exposed area of the speed-regulating ventilating groove 3 is sealed by a thumb, and the negative pressure value in the suction cavity box 2.

The thread of the top end of the suction cavity box 2 is screwed into a tailstock joint 6, a rotating shaft is arranged in the tailstock joint 6, the rotating shaft is connected with a craniotomy power system motor 23, wherein a roller cutter 8 is arranged in the end part of the suction catheter 1, the roller cutter 8 is a cylindrical barrel without a sealing cover at the top end, the diameter of the roller cutter 8 is the same as the inner diameter of the suction catheter 1, inner ring sawteeth 21 are arranged at the bottom end of the roller cutter 8, the top end of the roller cutter 8 is connected with the end part of a thin shaft rod 7 through a supporting plate 22, the thin shaft rod 7 is positioned in the suction catheter 1, the tail end of the thin shaft rod 7 is fixedly connected with a wing plate 20. When the motor 23 of the craniotomy power system is started, the shaft end of the motor drives the thin shaft rod 7 to rotate through the rotating shaft of the tailstock joint 6, so that the roller knife 8 runs, and when the end part of the suction catheter 1 sucks redundant mucosal tissues, the inner ring sawteeth 21 at the bottom end of the roller knife 8 can cut the redundant mucosal tissues, thereby avoiding the blockage of the suction catheter 1, clearing the redundant tissues at the opening position and facilitating the subsequent operation of the operation.

The suction catheter 1 has five types, namely a straight tube type and four bottom bending types, the bottom bending type is four bending tube bodies with the bottom end facing to four directions, namely front, back, left and right, and the roller knife 8 in the bottom bending tube body is positioned in the upper tube body at the bending position.

The tailstock joint 6 comprises an external thread sleeve 9, a rotating shaft 10, a hexagonal knob sleeve 12, a clamping plate 14, an inner hexagonal locking screw 15, a motor butting sleeve 16, a sealing bearing 17 and a locking ring 18, wherein the external thread sleeve 9 is a cylindrical pipe body with an external thread arranged at the front end, the external thread sleeve 9 is screwed into the top end of the suction cavity box 2 and communicated with an inner cavity of the suction cavity box, the hexagonal knob sleeve 12 is fixedly connected to the outer side of the external thread sleeve 9 above the suction cavity box 2, an opening 13 is formed in the top end of the external thread sleeve 9, the clamping plates 14 are fixedly connected to the side walls of two sides of the opening 13 of the external thread sleeve 9, the two clamping plates 14 are parallel to each other, the two clamping plates 14 are locked through the inner hexagonal locking screw 15, and a craniotomy power system motor 23 inserted into the tail end of the external thread sleeve.

The hexagonal knob sleeve 12 in the external thread sleeve 9 is provided with a partition plate, the center of the partition plate is provided with a shaft hole, a rotating shaft 10 is inserted into the shaft hole, the side wall of the rotating shaft 10 is provided with external threads, and the rotating shaft 10 on the upper side and the lower side of the partition plate is sleeved with a sealing bearing 17.

The top of the upper sealing bearing 17 is provided with a motor butt joint sleeve 16 fixedly connected with the top end of the rotating shaft 10, a butt joint groove 19 is formed in the motor butt joint sleeve 16, the shape of the butt joint groove 19 of the motor butt joint sleeve 16 is the same as that of the power shaft end of a connected craniotomy power system motor 23, and the synchronous operation of the rotating shaft 10 is realized by inserting the butt joint groove 19 at the power shaft end of the craniotomy power system motor 23.

The lower end of the lower sealing bearing 17 is provided with a locking ring 18 screwed into the rotating shaft 10, the rotating shaft 10 of which the tail end is fixedly connected with the motor butting sleeve 16 is fixed between the two sealing bearings 17 through the locking ring 18, the locking ring 18 and the motor butting sleeve 16 are both tightly pressed on the inner ring of the sealing bearing 17, and the outer ring of the sealing bearing 17 is pressed on the partition plate, so that the rotating shaft 10 is ensured to run.

10 tip of pivot that the retainer plate 18 below was stretched out has seted up duckbilled opening 11, the shaft hole has been seted up to 11 tip of duckbilled opening, this shaft hole diameter is the same with thin axostylus axostyle 7 diameter, in the shaft hole of 10 front end duckbilled opening 11 of thin axostylus axostyle 7 tail end inserted into the tail end of thin axostylus axostyle, duckbilled opening 11 presss from both sides tight fixedly with 7 tail end pterygoid lamina 20 of thin axostylus axostyle, when cranium opening driving system motor 23 rotates nipple 16 drive pivot 10 through the motor, pivot 10 presss from both sides tight fixed pterygoid lamina 20 through the 11 drive of duckbilled opening and rotates, thereby drive.

Claims

1. The utility model provides a lower drum-type suction cutting pincers which characterized in that: comprises a suction conduit (1), a suction cavity box (2), a branch pipe (4), a stepped joint (5), a tailstock joint (6), a thin shaft rod (7), a rotary knife (8), a wing plate (20) and a supporting plate (22), wherein the suction conduit (1) is a cylindrical pipe body, the top end of the suction conduit is communicated with a rectangular suction cavity box (2), the side wall of the suction cavity box (2) is provided with a speed-regulating ventilating groove (3), the side wall of the suction cavity box (2) is communicated with the branch pipe (4), the end part of the branch pipe (4) is fixedly connected with the stepped joint (5) and is connected with an air duct of a suction device through the stepped joint (5), the top end of the suction cavity box (2) is screwed with the tailstock joint (6), a rotating shaft is arranged in the joint (6) and is connected with a motor (23) of a craniotomy power system, wherein the rotary knife (8) is arranged in the end part of the suction conduit (1), and the, inner ring sawtooth (21) have been seted up to drum sword (8) bottom, and drum sword (8) top is passed through backup pad (22) and thin axostylus axostyle (7) end connection, and thin axostylus axostyle (7) are located suction catheter (1), and thin axostylus axostyle (7) tail end fixedly connected with pterygoid lamina (20), and thin axostylus axostyle (7) are connected with the rotation axis of tailstock joint (6) through pterygoid lamina (20).

2. The lower roll-type suction cutting nipper as claimed in claim 1, wherein: the suction catheter (1) is divided into five types, namely a straight tube type and four bottom bending types, the bottom bending types are four bending tube bodies with the bottom end facing to four directions, namely front, back, left and right, and a roller knife (8) in the bottom bending tube body is positioned in an upper tube body at a bending position.

3. The lower roll-type suction cutting nipper as claimed in claim 1, wherein: the tailstock joint (6) consists of an external thread sleeve (9), a rotating shaft (10), a hexagonal knob sleeve (12), clamping plates (14), an inner hexagonal locking screw (15), a motor butting sleeve (16), a sealing bearing (17) and a locking ring (18), the external thread sleeve (9) is a cylindrical pipe body with an external thread at the front end, the external thread sleeve (9) is screwed into the top end of the suction cavity box (2) and communicated with an inner cavity of the suction cavity box, the outer side of the external thread sleeve (9) above the suction cavity box (2) is fixedly connected with the hexagonal knob sleeve (12), the top end of the external thread sleeve (9) is provided with a notch (13), the clamping plates (14) are fixedly connected on the side walls of two sides of the notch (13) of the external thread sleeve (9), the two clamping plates (14) are parallel to each other, the two clamping plates (14) are locked by the inner hexagonal locking screw (15), a partition plate is arranged at the position of the hexagonal knob sleeve (12, the center of the clapboard is provided with a shaft hole, a rotating shaft (10) is inserted into the shaft hole, the side wall of the rotating shaft (10) is provided with external threads, the rotating shaft (10) on the upper side and the lower side of the clapboard is sleeved with a sealing bearing (17), the top of the upper sealing bearing (17) is provided with a motor butt joint sleeve (16) fixedly connected with the top end of the rotating shaft (10), the motor butt joint sleeve (16) is internally provided with a butt joint groove (19), the motor butt joint sleeve is inserted at the power shaft end of a craniotomy power system motor (23) through the butt joint groove (19), the lower end of the lower sealing bearing (17) is provided with a locking ring (18) screwed into the rotating shaft (10), the end part of the rotating shaft (10) extending below the locking ring (18) is provided with a duckbilled opening (11), the end part of the duckbilled opening (11) is provided with a shaft hole, the diameter of the shaft hole is the same, the duckbill opening (11) clamps and fixes the tail end wing plate (20) of the slender shaft rod (7).

4. The lower roll-type suction cutting nipper as claimed in claim 1, wherein: the diameter of the roller blade (8) in the suction catheter (1) is the same as the inner diameter thereof.

5. The lower roller type suction cutting nipper as claimed in claim 3, wherein: the shape of the butt joint groove (19) of the motor butt joint sleeve (16) is the same as that of the power shaft end of the connected craniotomy power system motor (23).