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CN110680463B - Lower drum suction cutting pliers - Google Patents

Lower drum suction cutting pliers Download PDF

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Publication number
CN110680463B
CN110680463B CN201911105562.1A CN201911105562A CN110680463B CN 110680463 B CN110680463 B CN 110680463B CN 201911105562 A CN201911105562 A CN 201911105562A CN 110680463 B CN110680463 B CN 110680463B
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suction
rotating shaft
joint
sleeve
suction catheter
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CN110680463A (en
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肖健齐
肖卓宜
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/32Surgical cutting instruments
    • A61B17/320016Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A61B17/32002Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/32Surgical cutting instruments
    • A61B17/320016Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A61B17/32002Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
    • A61B2017/320024Morcellators, e.g. having a hollow cutting tube with an annular cutter for morcellating and removing tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods
    • A61B17/32Surgical cutting instruments
    • A61B17/320016Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A61B2017/32004Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes having a laterally movable cutting member at its most distal end which remains within the contours of said end

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Surgical Instruments (AREA)
  • External Artificial Organs (AREA)

Abstract

The invention discloses a lower roller type suction cutting pliers, and belongs to the technical field of surgical equipment. The suction catheter is characterized in that a rectangular suction cavity box is communicated with the top end of the suction catheter, a branch pipe is communicated with the side wall of the suction cavity box, the end part of the branch pipe is connected with an air duct of the 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, the rotating shaft is connected with a motor of a craniotomy power system, a roller blade is arranged in the end part of the suction catheter, an inner ring saw tooth is arranged at the bottom end of the roller blade, the top end of the roller blade 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 duct of the suction device pumps air in the suction cavity box to form negative pressure inside the suction catheter, so that the end part of the suction catheter is sucked, the craniotomy power system motor is started, and the roller blade runs to cut off redundant sucked mucous tissues, thereby avoiding the suction catheter from being blocked, and facilitating the subsequent operation of an operation.

Description

Lower drum type suction cutting pliers
Technical Field
The invention relates to a lower roller type suction cutting pliers, and belongs to the technical field of surgical equipment.
Background
In the endoscopic minimally invasive surgery, a transnasal or sinus operation is required, and thus, mucous membrane or soft tissue is often difficult to remove and blood is permeated. Although the aspirator can suck out blood, in the aspiration process, soft tissues such as mucous membranes and some thin bones are difficult to remove, so that the operation efficiency is very influenced, in the aspiration process, the blood aspiration is influenced, and the aspiration tube is easy to be blocked.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the lower roller type suction cutting forceps which can suck blood and cut mucous membrane and bone in a suction pipe, ensure the smoothness of a suction device, effectively remove redundant tissues of an operation passage, improve operation efficiency, improve punching effect and facilitate subsequent operation.
The invention solves the technical problems by adopting the technical scheme that the lower drum type suction cutting pliers comprises a suction guide pipe, a suction cavity box, a branch pipe, a stepped joint, a tailstock joint, a thin shaft rod, a roller blade, a wing plate and a supporting plate, wherein the suction guide pipe is a cylindrical pipe body, the top end of the suction guide pipe is communicated with the rectangular suction cavity box, a speed regulation ventilation groove is formed in the side wall of the suction cavity box, the branch pipe is communicated with the side wall of the suction cavity box, the end part of the branch pipe is fixedly connected with the stepped joint and is connected with an air duct of a suction device through the stepped joint, the top end of the suction cavity box is screwed in the tailstock joint, a rotating shaft is arranged in the tailstock joint and is connected with a motor of a craniotomy power system, the roller blade is arranged in the end part of the suction guide pipe, the roller blade is a cylindrical barrel with no sealing cover at the top end, the diameter of the roller blade is the same as the inner diameter of the suction guide pipe, the bottom end of the roller blade is provided with inner ring saw teeth, the top end part of the roller blade is connected with the thin shaft through the supporting plate, the thin shaft rod is positioned in the suction guide pipe, the wing plate is fixedly connected with the wing plate, and the wing plate is connected with the tail plate;
The suction catheter has five types, namely a straight pipe type and four bottom bending types, wherein the bottom bending types are four bending pipe bodies with the bottom facing the four directions of front, back, left and right, and a roller cutter in the bottom bending pipe body is positioned in an upper square pipe body at the bending position.
Wherein the tailstock joint consists of an external thread sleeve, a rotating shaft, a hexagonal knob sleeve, clamping plates, an internal hexagonal locking screw, a motor butt joint sleeve, a sealing bearing and a locking ring, wherein 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 the internal cavity of the suction cavity box, the hexagonal knob sleeve is fixedly connected with the outer side of the external thread sleeve above the suction cavity box, a notch is formed at the top end of the external thread sleeve, clamping plates are fixedly connected with the side walls of the two sides of the notch of the external thread sleeve, the two clamping plates are mutually parallel and are locked by the internal hexagonal locking screw, a partition plate is arranged at the hexagonal knob sleeve in the external thread pipe, a shaft hole is formed in the center of the partition plate, the rotating shaft hole is internally inserted with external threads, the motor butt joint sleeve is arranged at the top of the upper sealing bearing and fixedly connected with the top end of the rotating shaft, a butt joint groove is formed in the motor butt joint sleeve, the butt joint groove of the motor butt joint sleeve is identical to the power shaft end of the connected craniotomy power system motor in shape, the butt joint groove can be spliced at the power shaft end of the craniotomy power system motor, a locking ring screwed into the rotating shaft is arranged at the lower end of the lower sealing bearing, a duckbill opening is formed in the end part of the rotating shaft extending out from the lower part of the locking ring, a shaft hole is formed in the end part of the duckbill opening, the diameter of the shaft hole is identical to the diameter of the 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 duckbill opening clamps and fixes the tail wing plate of the thin shaft rod.
The multi-angle lower roller type suction cutting forceps have the advantages that the problems that excessive tissues of an existing minimally invasive channel are more and difficult to clean are solved, the suction pipe can be cut by mucous membranes and bones while blood is sucked, smoothness of the suction pipe is guaranteed, the excessive tissues of the channel are effectively cleaned, the operation efficiency is improved, the improvement effect is achieved, the follow-up operation is convenient, the whole device is small in structure and convenient to use, detach and clean and disinfect.
Drawings
The invention is further described below with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a front cross-sectional view of the present invention.
Fig. 4 is a partial structural cross-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 a tailstock joint according to the present invention.
Fig. 7 is a schematic view of a tailstock joint according to 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 tube end construction of the present invention.
FIG. 12 is a schematic view of the present invention mounted on a motor of a craniotomy power system.
FIG. 13 is a cross-sectional view of the present invention mounted on a motor of a craniotomy power system.
Fig. 14 is a schematic view of the structure of the elbow suction catheter according to the present invention.
Fig. 15 is a cross-sectional view of the elbow suction tube of the present invention.
Reference numerals in the drawings:
1. The suction catheter, 2, suction cavity box, 3, speed regulation ventilation groove, 4, branch pipe, 5, ladder joint, 6, tailstock joint, 7, thin axostylus axostyle, 8, roller sword, 9, external screw thread sleeve, 10, pivot, 11, duckbill opening, 12, hexagonal knob cover, 13, opening, 14, cardboard, 15, interior hexagonal locking screw, 16, motor interfacing sleeve, 17, sealing bearing, 18, locking ring, 19, interfacing groove, 20, pterygoid lamina, 21, inner ring sawtooth, 22, backup pad, 23, craniotomy driving system motor.
Detailed Description
As shown in fig. 1 to 15, a lower drum type suction cutting pliers comprises a suction guide pipe 1, a suction cavity box 2, a branch pipe 4, a stepped joint 5, a tailstock joint 6, a thin shaft rod 7, a drum knife 8, a wing plate 20 and a support 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 regulation ventilation groove 3, the side wall of the suction cavity box 2 is communicated with a branch pipe 4, the end part of the branch pipe 4 is fixedly connected with a stepped joint 5, the branch pipe is connected with an aspirator air duct through the stepped joint 5, the aspirator air duct pumps away the gas inside the suction cavity box 2 to enable the inside of the suction catheter to form negative pressure, so that the end part of the suction catheter 1 is sucked, the speed regulation ventilation groove 3 can enable air to contact the suction cavity box 2, the exposed area of the speed regulation ventilation groove 3 is blocked by a thumb, and the negative pressure value in the suction cavity box 2, namely the suction force of the end part of the suction catheter 1, can be controlled.
The top end of the suction cavity box 2 is screwed with a tailstock joint 6, a rotating shaft is arranged in the tailstock joint 6 and is connected with a craniotomy power system motor 23, a roller cutter 8 is arranged in the end part of the suction catheter 1, the roller cutter 8 is a cylindrical barrel body with a non-sealing top end, the diameter of the roller cutter 8 is the same as the inner diameter of the suction catheter 7, inner ring saw teeth 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, a wing plate 20 is fixedly connected with the tail end of the thin shaft rod 7, and the thin shaft rod 7 is connected with the rotating shaft of the tailstock joint 6 through the wing plate 20. 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, when the end part of the suction catheter 1 sucks redundant mucous tissue, the inner ring saw teeth 21 at the bottom end of the roller knife 8 can cut the redundant mucous tissue, the suction catheter 1 is prevented from being blocked, redundant tissues at the punching part are removed, and the operation is convenient to follow-up operation.
The suction catheter 1 has five types, namely a straight pipe type and four bottom bending types, wherein the bottom bending types are four bending pipe bodies with the bottoms facing the four directions of front, back, left and right, and a roller cutter 8 in the bottom bending pipe body is positioned in an upper square pipe body at the bending position.
The tailstock joint 6 comprises an external thread sleeve 9, a rotating shaft 10, a hexagonal knob sleeve 12, clamping plates 14, an internal hexagonal locking screw 15, a motor butt joint sleeve 16, a sealing bearing 17 and a locking ring 18, wherein the external thread sleeve 9 is a cylindrical pipe body with external threads at the front end, the external thread sleeve 9 is screwed into the top end of the suction cavity box 2 and is communicated with the internal cavity of the suction cavity box 2, the hexagonal knob sleeve 12 is fixedly connected to the outer side of the external thread sleeve 9 above the suction cavity box 2, a notch 13 is formed in the top end of the external thread sleeve 9, clamping plates 14 are fixedly connected to side walls on two sides of the notch 13 of the external thread sleeve 9, the two clamping plates 14 are mutually parallel, the two clamping plates 14 are locked through the internal hexagonal locking screw 15, and a craniotomy power system motor 23 inserted into the tail end of the external thread sleeve 9 can be locked and fixed through the internal hexagonal locking screw 15.
The hexagonal knob sleeve 12 in the external threaded pipe 9 is provided with a partition board, the center of the partition board 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 above and below the partition board 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 the connected craniotomy power system motor 23, and the motor butt joint sleeve is inserted into the power shaft end of the craniotomy power system motor 23 through the butt joint groove 19 to realize synchronous operation of the rotating shaft 10.
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 with the tail end fixedly connected with the motor butt joint sleeve 16 is fixed between the two sealing bearings 17 through the locking ring 18, the locking ring 18 and the motor butt joint sleeve 16 are both pressed on the inner ring of the sealing bearing 17, the outer ring of the sealing bearing 17 is propped against the partition plate, and the rotating shaft 10 is ensured to run.
The end part of the rotating shaft 10 extending below the locking ring 18 is provided with a duckbill opening 11, the end part of the duckbill opening 11 is provided with a shaft hole, the diameter of the shaft hole is the same as that of the thin shaft rod 7, the tail end of the thin shaft rod 7 is inserted into the shaft hole of the duckbill opening 11 at the front end of the rotating shaft 10, the tail end wing plate 20 of the thin shaft rod 7 is clamped and fixed by the duckbill opening 11, when the craniotomy power system motor 23 drives the rotating shaft 10 to rotate through the motor butting sleeve 16, the rotating shaft 10 drives the wing plate 20 which is clamped and fixed to rotate through the duckbill opening 11, so that the thin shaft rod 7 is driven to rotate, and the cutting of the roller knife 8 at the end part of the thin shaft rod 7 is realized.

Claims (3)

1.一种下滚筒式吸切钳,其特征在于:包括吸引导管(1)、吸引腔盒(2)、支管(4)、阶梯纹接头(5)、尾座接头(6)、细轴杆(7)、滚筒刀(8)、翼板(20)和支撑板(22),吸引导管(1)为一圆柱管体,其顶端连通有矩形吸引腔盒(2),吸引腔盒(2)侧壁开设有调速透气槽(3),吸引腔盒(2)侧壁连通有支管(4),支管(4)端部固定连接有阶梯纹接头(5),通过阶梯纹接头(5)与吸引器导气管连接,吸引腔盒(2)顶端螺纹旋入有尾座接头(6),尾座接头(6)内设有旋转轴,其旋转轴与开颅动力系统马达(23)连接,其中,吸引导管(1)端部内设有滚筒刀(8),滚筒刀(8)为顶端无封盖的圆柱筒体,滚筒刀(8)底端开设有内环锯齿(21),滚筒刀(8)顶端通过支撑板(22)与细轴杆(7)端部连接,细轴杆(7)位于吸引导管(1)内,细轴杆(7)尾端固定连接有翼板(20),细轴杆(7)通过翼板(20)与尾座接头(6)的旋转轴连接;1. A lower roller type suction cutting forceps, characterized in that it comprises a suction catheter (1), a suction chamber box (2), a branch pipe (4), a stepped joint (5), a tailstock joint (6), a thin shaft rod (7), a roller knife (8), a wing plate (20) and a support plate (22), wherein the suction catheter (1) is a cylindrical tube body, the top of which is connected to a rectangular suction chamber box (2), the side wall of the suction chamber box (2) is provided with a speed regulating venting groove (3), the side wall of the suction chamber box (2) is connected to a branch pipe (4), the end of the branch pipe (4) is fixedly connected to a stepped joint (5), and is connected to the suction device air guide tube through the stepped joint (5), and the suction chamber box (2) is connected to the suction device air guide tube. ) The top end of the suction catheter (1) is threadedly screwed into a tailstock joint (6), a rotating shaft is provided in the tailstock joint (6), and the rotating shaft is connected to the motor (23) of the craniotomy power system, wherein a roller knife (8) is provided in the end of the suction catheter (1), the roller knife (8) is a cylindrical body without a cover at the top, and an inner ring sawtooth (21) is provided at the bottom end of the roller knife (8), and the top end of the roller knife (8) is connected to the end of the thin shaft rod (7) through a support plate (22), the thin shaft rod (7) is located in the suction catheter (1), and the tail end of the thin shaft rod (7) is fixedly connected to a wing plate (20), and the thin shaft rod (7) is connected to the rotating shaft of the tailstock joint (6) through the wing plate (20); 所述的吸引导管(1)共有五种,分别为直管型和四个底端弯折型,底端弯折型为底端朝向前后左右四个方向的四个折弯管体,在底端弯折型管体内的滚筒刀(8)位于折弯处上方管体内;There are five types of the suction catheter (1), namely a straight tube type and four bottom-bent types. The bottom-bent type has four bent tube bodies with the bottom ends facing in four directions, front, back, left, and right. The roller knife (8) in the bottom-bent tube body is located in the tube body above the bend. 所述的尾座接头(6)由外螺纹套管(9)、转轴(10)、六角旋钮套(12)、卡板(14)、内六角锁紧螺丝(15)、马达对接套(16)、密封轴承(17)和锁紧圈(18)组成,外螺纹套管(9)为前端开设有外螺纹的圆柱管体,外螺纹套管(9)螺纹旋入吸引腔盒(2)顶端内,并与其内部腔体连通,吸引腔盒(2)上方的外螺纹套管(9)外侧固定连接有六角旋钮套(12),外螺纹套管(9)顶端开设有豁口(13),外螺纹套管(9)的豁口(13)两侧侧壁上固定连接有卡板(14),两卡板(14)相互平行,两卡板(14)间通过内六角锁紧螺丝(15)锁紧,外螺纹套管(9)内的六角旋钮套(12)处设有隔板,隔板中心开设有轴孔,轴孔内插入有转轴(10),转轴(10)的侧壁设有外螺纹,隔板上下方的转轴(10)上均套有密封轴承(17),上方密封轴承(17)顶部设有与转轴(10)顶端固定连接的马达对接套(16),马达对接套(16)内部开设有对接槽(19),通过对接槽(19)插接在开颅动力系统马达(23)的动力轴端,下方密封轴承(17)下端设有螺纹旋入转轴(10)的锁紧圈(18),锁紧圈(18)下方伸出的转轴(10)端部开设有鸭嘴豁口(11),鸭嘴豁口(11)端部开设有轴孔,该轴孔直径与细轴杆(7)直径相同,细轴杆(7)尾端插入转轴(10)前端鸭嘴豁口(11)的轴孔内,鸭嘴豁口(11)将细轴杆(7)尾端翼板(20)夹紧固定。The tailstock joint (6) is composed of an externally threaded sleeve (9), a rotating shaft (10), a hexagonal knob sleeve (12), a clamping plate (14), an internal hexagonal locking screw (15), a motor docking sleeve (16), a sealing bearing (17) and a locking ring (18). The externally threaded sleeve (9) is a cylindrical tube body with an external thread on the front end. The externally threaded sleeve (9) is screwed into the top end of the suction chamber box (2) and communicates with the internal cavity thereof. The suction chamber box (2) is A hexagonal knob sleeve (12) is fixedly connected to the outside of a square externally threaded sleeve (9), a notch (13) is provided at the top of the externally threaded sleeve (9), and a clamping plate (14) is fixedly connected to the side walls on both sides of the notch (13) of the externally threaded sleeve (9), the two clamping plates (14) are parallel to each other, and the two clamping plates (14) are locked by a hexagonal locking screw (15), a partition is provided at the hexagonal knob sleeve (12) in the externally threaded sleeve (9), an axial hole is provided at the center of the partition, a rotating shaft (10) is inserted into the axial hole, and the side walls of the rotating shaft (10) are provided with external threads, and sealed bearings (17) are sleeved on the rotating shaft (10) above and below the partition, and a motor docking sleeve (16) fixedly connected to the top of the rotating shaft (10) is provided at the top of the upper sealed bearing (17), and a docking groove (19) is provided inside the motor docking sleeve (16), which is plugged into the power shaft end of the craniotomy power system motor (23) through the docking groove (19), and the lower sealed bearing ( The lower end of the rotating shaft (10) is provided with a locking ring (18) which is screwed into the rotating shaft (10). The end of the rotating shaft (10) extending below the locking ring (18) is provided with a duckbill notch (11). The end of the duckbill notch (11) is provided with an axial hole. The diameter of the axial hole is the same as the diameter of the thin shaft (7). The tail end of the thin shaft (7) is inserted into the axial hole of the duckbill notch (11) at the front end of the rotating shaft (10). The duckbill notch (11) clamps and fixes the wing plate (20) at the tail end of the thin shaft (7). 2.根据权利要求1所述的一种下滚筒式吸切钳,其特征在于:吸引导管(1)内部的滚筒刀(8)直径与其内径相同。2. A lower drum type suction cutting forceps according to claim 1, characterized in that the diameter of the drum knife (8) inside the suction catheter (1) is the same as its inner diameter. 3.根据权利要求1所述的一种下滚筒式吸切钳,其特征在于:所述的马达对接套(16)的对接槽(19)与所连接的开颅动力系统马达(23)的动力轴端形状相同。3. A lower drum type suction cutting forceps according to claim 1, characterized in that the docking groove (19) of the motor docking sleeve (16) is the same shape as the power shaft end of the connected craniotomy power system motor (23).
CN201911105562.1A 2019-11-13 2019-11-13 Lower drum suction cutting pliers Active CN110680463B (en)

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WO2025038507A1 (en) * 2023-08-11 2025-02-20 The Board Of Trustees Of The Leland Stanford Junior University Devices, systems, and methods for performing thrombectomy procedures

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CN211156089U (en) * 2019-11-13 2020-08-04 肖健齐 Lower drum type suction cutting pliers

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