CN110680463B - Lower drum suction cutting pliers - Google Patents
Lower drum suction cutting pliers Download PDFInfo
- 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
- Authority
- CN
- China
- Prior art keywords
- suction
- rotating shaft
- joint
- sleeve
- suction catheter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000007428 craniotomy Methods 0.000 claims abstract description 17
- 241000405070 Percophidae Species 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 9
- 238000003032 molecular docking Methods 0.000 claims 7
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000013022 venting Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 description 17
- 238000005452 bending Methods 0.000 description 10
- 210000001519 tissue Anatomy 0.000 description 6
- 239000008280 blood Substances 0.000 description 5
- 210000004369 blood Anatomy 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 210000004400 mucous membrane Anatomy 0.000 description 4
- 210000000988 bone and bone Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000003813 thumb Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
- A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
- A61B17/32002—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes with continuously rotating, oscillating or reciprocating cutting instruments
- A61B2017/320024—Morcellators, e.g. having a hollow cutting tube with an annular cutter for morcellating and removing tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/32—Surgical cutting instruments
- A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
- A61B2017/32004—Endoscopic 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
Landscapes
- 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
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911105562.1A CN110680463B (en) | 2019-11-13 | 2019-11-13 | Lower drum suction cutting pliers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911105562.1A CN110680463B (en) | 2019-11-13 | 2019-11-13 | Lower drum suction cutting pliers |
Publications (2)
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CN110680463A CN110680463A (en) | 2020-01-14 |
CN110680463B true CN110680463B (en) | 2025-01-28 |
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CN201911105562.1A Active CN110680463B (en) | 2019-11-13 | 2019-11-13 | Lower drum suction cutting pliers |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111419350A (en) * | 2020-03-30 | 2020-07-17 | 西安交通大学医学院第一附属医院 | A new type of ultrasound-guided puncture toilet needle |
CN111658841A (en) * | 2020-06-30 | 2020-09-15 | 中南大学湘雅二医院 | Aspirator subassembly and aspirator |
EP4522045A1 (en) * | 2022-05-08 | 2025-03-19 | The Board of Trustees of the Leland Stanford Junior University | Devices, systems, and methods for performing thrombectomy procedures |
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 |
Citations (1)
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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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DE3828478C2 (en) * | 1987-10-30 | 1994-05-05 | Olympus Optical Co | Surgical resection device |
US8814871B2 (en) * | 2005-11-23 | 2014-08-26 | Formae, Inc. | Surgical tools with extendible and rotatable accessory components |
CA2900017C (en) * | 2013-02-05 | 2020-06-30 | University Of South Florida | Minimally invasive laparoscopic tissue removal device |
CN209529277U (en) * | 2018-09-21 | 2019-10-25 | 中国人民解放军总医院 | A kind of ultrasonic cut hemostatic cutter with aspirator function |
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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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