CN116370036A - Medical soft tissue planing tool - Google Patents

Medical soft tissue planing tool Download PDF

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Publication number
CN116370036A
CN116370036A CN202310393488.8A CN202310393488A CN116370036A CN 116370036 A CN116370036 A CN 116370036A CN 202310393488 A CN202310393488 A CN 202310393488A CN 116370036 A CN116370036 A CN 116370036A
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CN
China
Prior art keywords
hole
soft tissue
subassembly
groove
suction
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Pending
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CN202310393488.8A
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Chinese (zh)
Inventor
陈思汗
娄海平
张佳顺
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Guizhou Zirui Technology Co ltd
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Guizhou Zirui Technology Co ltd
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Priority to CN202310393488.8A priority Critical patent/CN116370036A/en
Publication of CN116370036A publication Critical patent/CN116370036A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320016—Endoscopic cutting instruments, e.g. arthroscopes, resectoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/24—Surgical instruments, devices or methods, e.g. tourniquets for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42—Gynaecological or obstetrical instruments or methods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/08—Accessories or related features not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/20—Ear surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00—General characteristics of surgical instruments
    • A61B2217/002—Auxiliary appliance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00—General characteristics of surgical instruments
    • A61B2217/002—Auxiliary appliance
    • A61B2217/005—Auxiliary appliance with suction drainage system
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Otolaryngology (AREA)
  • Gynecology & Obstetrics (AREA)
  • Reproductive Health (AREA)
  • Dentistry (AREA)
  • Pregnancy & Childbirth (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Pulmonology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Psychology (AREA)
  • Vascular Medicine (AREA)
  • Pathology (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention discloses a medical soft tissue planing tool, which comprises a planing tool assembly, a speed reducer assembly, an outer shell, a motor and a suction device, wherein the planing tool assembly comprises a hollow outer tool assembly and an inner tool assembly, the inner tool assembly is sleeved in the outer tool assembly, the speed reducer assembly is fixed in the outer shell, the speed reducer assembly comprises a speed reducer shell and a transmission gear set, the other end of the outer tool assembly is connected with the speed reducer shell, the transmission gear set is respectively connected with the other end of the inner tool assembly and the output end of the motor, and the suction device comprises a suction valve and a suction pipe. The invention sets the decelerator component to drive the planer tool component to rotate reciprocally, sucks out soft tissues by the suction device, and simultaneously sets the adjusting device to adjust the suction using state, thereby being more suitable for specific operation environment.

Description

Medical soft tissue planing tool
Technical Field
The invention relates to the technical field of medical instruments, in particular to a medical soft tissue planing tool.
Background
The planing tool is a tool frequently used in minimally invasive endoscopic surgery, is mainly used for planing soft tissues in the surgeries such as otorhinolaryngology, articulation, urinary tract, gynecology and the like, is only provided with a simple interface on a tool bit and is connected with a handle, the tool bit is a disposable product, a negative pressure suction channel is additionally arranged on the handle, soft tissues after the surgery planing pass through the inside of the handle, after the use, the suction channel is not easy to clean, the suction channel is easy to be blocked after the use is repeated, and secondly, leakage is easy to occur when the suction channel passes through the inside of the handle, so that a motor in the handle is easy to damage, and the use cost of the product is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problems that: provides a medical soft tissue planing tool which is convenient for sucking out soft tissues and can ensure that a negative pressure suction channel is not easy to leak.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a medical soft tissue planing tool, including planing tool assembly, the reduction gear subassembly, the shell body, motor and suction device, planing tool assembly contains hollow outer knife assembly and interior knife assembly, interior knife assembly cover is established in outer knife assembly, the one end of outer knife assembly and interior knife assembly all is equipped with soft tissue inhalable opening, the reduction gear subassembly is fixed in the shell body, the reduction gear subassembly contains reduction gear casing and drive gear group, the other end and the reduction gear casing of outer knife assembly are connected, drive gear group is connected with the other end of interior knife assembly and the output of motor respectively, suction device contains suction valve and suction tube, the suction tube passes through the cavity intercommunication of suction valve and interior knife assembly to realize passing through the cavity department of negative pressure transmission to interior knife assembly of suction device and interior knife assembly, and inhale the opening with soft tissue, motor drive reduction gear assembly and drive interior knife rotation and cut off the soft tissue of inhaling, and take away from the operation position with the soft tissue of cutting off under the effect of negative pressure, thereby realize the planing treatment to soft tissue.
By adopting the structure, the speed reducer assembly connected with the planing tool assembly is arranged, the inner tool assembly is utilized to reciprocate in the outer tool assembly and the suction device communicated with the inner tool assembly, so that the sucked soft tissue is sucked out by negative pressure after planing, and the outer shell is provided with the suction valve communicated with the planing tool assembly and the suction device for convenient use, and the suction valve can adjust the opening and closing state between the suction pipe and the inner tool pipe so as to adapt to the specific use requirement of the operation process.
For simplifying the structure and being convenient for install, as the preferred, outer sword subassembly includes outer sword pipe, inner sword subassembly includes the inner sword pipe, outer sword pipe cup joints on the shell body, the inner sword pipe is cup jointed in outer sword intraductal one end of outer sword pipe is equipped with first open slot, is equipped with first blade at the notch of this open slot, the one end of inner sword pipe also is equipped with the second open slot, is equipped with the second blade at the notch of this open slot, one side of inner sword pipe stretches into in the outer sword pipe, and the second open slot is located first open slot, and makes first blade stack is in the outside of second blade, and the opposite side of this inner sword pipe stretches into in the handle and is connected with transmission.
In order to facilitate the transmission and simplify the structure, as an optimization, the speed reducer shell comprises a first installation block and a second installation block which are arranged in the shell and are connected in a threaded manner, the transmission gear set comprises a driving motor fixedly arranged in the shell, the output end of the driving motor is provided with a transmission rod penetrating through the second installation block, the penetrating end of the transmission rod is provided with a driving tooth, a connecting rod is connected between the first installation block and the second installation block, a driven tooth is sleeved on the connecting rod, a boss is arranged on the driven tooth, and a transmission tooth meshed with the driving tooth is sleeved on the boss; the first mounting block is provided with a fixing hole, the extending end of the inner cutter tube penetrates out of the fixing hole and extends into the second mounting block, the position of the inner cutter tube penetrating out of the fixing hole is sleeved with a driving tooth, and the driving tooth is connected with a driven tooth in a meshed mode.
In order to prevent leakage and simplify the structure, preferably, the second mounting block is provided with a connecting hole, one end of the connecting hole is inserted with an inner cutter tube, one end of the suction tube is penetrated into the outer shell and inserted into the other end of the connecting hole, and the center line of the suction tube and the center line of the inner cutter tube are on the same horizontal line; the other end of the suction pipe is protruded out of the outer shell and is communicated with the negative pressure air extractor.
In order to facilitate installation, as an optimization, the outer shell comprises a left handle part and a right handle part which are connected in a sleeved mode, the inner side wall of the left handle part is provided with a plug pin, the position, corresponding to the plug pin, of the inner side wall of the right handle part is provided with a jack, and the plug pin at the corresponding end is inserted into the jack to realize connection of the left handle part and the right handle part; the left handle part is provided with a first groove, the right handle part is provided with a second groove, and when the left handle part is connected with the right handle part, the first groove and the second groove are surrounded to form an installation through hole; the suction valve comprises a placement hole arranged at the position corresponding to the installation through hole on the second installation block, and an adjusting block penetrating through the installation through hole and inserted into the placement hole, wherein the installation hole is communicated with the placement hole, a vent hole is arranged on the adjusting block, and the center line of the vent hole and the center line of the inner cutter tube are on the same horizontal line.
In order to facilitate limiting and reducing the movement, preferably, a yielding groove is arranged at the position of the orifice of the adjusting block corresponding to the mounting through hole, and the notches of the first groove and the second groove are embedded in the yielding groove.
In order to prevent leakage, preferably, the adjusting block is further provided with a caulking groove in a winding mode, a first sealing ring is arranged in the caulking groove, and the outer side wall of the first sealing ring is attached to the inner wall of the placement hole.
For ease of handling, a handle block is preferably provided on the adjustment block.
In order to better prevent leakage in the handle, preferably, a first step hole is arranged in the fixing hole, a second sealing ring sleeved outside the inner cutter pipe is arranged at the small-diameter end of the first step hole, a first baffle ring sleeved outside the inner cutter pipe is arranged at the large-diameter end of the first step hole, and the inner side wall of the first baffle ring is in butt joint with the outer side wall of the second sealing ring.
In order to better prevent leakage in the handle, preferably, a second step hole is arranged in the connecting hole, a third sealing ring sleeved outside the inner cutter pipe is arranged at the small-diameter end of the second step hole, a second baffle ring sleeved outside the inner cutter pipe is arranged at the large-diameter end of the second step hole, and the inner side wall of the second baffle ring is in butt joint with the outer side wall of the third sealing ring.
The beneficial effects are that: the invention sets the decelerator component to drive the planer tool component to rotate reciprocally, sucks out soft tissues by the suction device, and simultaneously sets the adjusting device to adjust the suction using state, thereby being more suitable for specific operation environment.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is an exploded view of the present invention.
Fig. 2 is a schematic view of the mounting structure of the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 2.
Fig. 5 is a schematic structural view of the first mounting block.
Fig. 6 is a schematic structural view of the second mounting block.
Fig. 7 is a schematic view of the structure of the driven tooth.
Fig. 8 is a schematic structural view of the regulating block.
Fig. 9 is a schematic structural view of the left handle portion.
Fig. 10 is a schematic structural view of the right handle.
Fig. 11 is a schematic external view of the present invention.
Fig. 12 is an enlarged view at C in fig. 11.
The meaning of the reference numerals in the drawings are:
an outer cutter tube-1; a first open groove-11; a first cutting edge-12; an inner cutter tube-2; a second open groove-21; a second cutting edge-22;
a drive motor-31; a transmission rod-311; a first mounting block-32; a connecting rod-321; a fixing hole-322; a second mounting block-33; an adjustment block-34; a vent-341; yield slots-342; handle block-343; a first seal ring-35; a connection hole-36; an active tooth-41; driven teeth-42; boss-421; a gear-43; drive teeth-44; a suction tube-51; placing the hole-52;
a left handle-61; a first groove-611; a right handle-62; a second recess-621; a first stepped hole-71; a second seal ring-72; a second stepped hole-73; a third seal ring-74; a first baffle ring-81; second baffle ring-82.
Detailed Description
As shown in fig. 1 to 12, the invention comprises a planing tool assembly, a speed reducer assembly, an outer shell, a motor and a suction device, wherein the planing tool assembly comprises a hollow outer tool assembly and an inner tool assembly, the inner tool assembly is sleeved in the outer tool assembly, one ends of the outer tool assembly and the inner tool assembly are respectively provided with an opening capable of sucking soft tissues, the speed reducer assembly is fixed in the outer shell, the speed reducer assembly comprises a speed reducer shell and a transmission gear set, the other end of the outer tool assembly is connected with the speed reducer shell, the transmission gear set is respectively connected with the other end of the inner tool assembly and the output end of the motor, the suction device comprises a suction valve and a suction tube 51, the suction tube 51 is communicated with a cavity of the inner tool assembly through the suction valve, so that negative pressure is transmitted to the opening position of the inner tool assembly through a cavity of the suction device and the inner tool assembly, the motor drives the speed reducer assembly to rotate and cut soft tissues sucked in, and the cut soft tissues are carried away from the operation position under the action of the negative pressure, and planing treatment of the soft tissues is realized.
Specifically, the outer cutter assembly comprises an outer cutter tube 1, the inner cutter assembly comprises an inner cutter tube 2, the outer cutter tube 1 is sleeved on the outer shell, the inner cutter tube 2 is sleeved in the outer cutter tube 1, a first open groove 11 is formed in one end of the outer cutter tube 1, a first cutting edge 12 is formed in a notch of the open groove, a second open groove 21 is formed in one end of the inner cutter tube 2, a second cutting edge 22 is formed in a notch of the open groove, one side of the inner cutter tube 2 extends into the outer cutter tube 1, the second open groove 21 is located in the first open groove 11, the first cutting edge 12 is overlapped on the outer side of the second cutting edge 22, and the other side of the inner cutter tube 2 extends into the handle 3 and is connected with a transmission device.
The speed reducer shell comprises a first mounting block 32 and a second mounting block 33 which are arranged in the outer shell and are connected in a threaded manner, the transmission gear set comprises a driving motor 31 fixedly arranged in the outer shell, a transmission rod 311 penetrating through the second mounting block 33 is arranged at the output end of the driving motor 31, a driving tooth 41 is arranged at the penetrating end of the transmission rod 311, a connecting rod 321 is connected between the first mounting block 32 and the second mounting block 33, a driven tooth 42 is sleeved on the connecting rod 321, a boss 421 is arranged on the driven tooth 42, and a transmission tooth 43 in meshed connection with the driving tooth 41 is sleeved on the boss 421; the first mounting block 32 is provided with a fixing hole 322, the extending end of the inner cutter tube 2 penetrates through the fixing hole 322 and extends into the second mounting block 33, the position of the inner cutter tube 2 penetrating through the fixing hole 322 is sleeved with a driving tooth 44, and the driving tooth is in meshed connection with the driven tooth 42.
A connecting hole 36 is formed in the second mounting block 33, an inner cutter tube 2 is inserted into one end of the connecting hole 36, one end of the suction tube 51 is inserted into the outer shell and is inserted into the other end of the connecting hole 36, and the center line of the suction tube 51 and the center line of the inner cutter tube 2 are on the same horizontal line; the other end of the suction pipe 51 emerges from the outer casing and is placed in communication with a negative pressure pump (not shown).
The outer shell comprises a left handle part 61 and a right handle part 62 which are connected in a sleeved mode, the inner side wall of the left handle part 61 is provided with a plug pin, the position, corresponding to the plug pin, of the inner side wall of the right handle part 62 is provided with a plug hole, and the plug pin at the corresponding end is inserted into the plug hole to realize the connection of the left handle part 61 and the right handle part 62; the left handle portion 61 is provided with a first groove 611, the right handle portion 62 is provided with a second groove 621, and when the left handle portion 61 and the right handle portion 62 are connected, the first groove 611 and the second groove 621 form a mounting through hole.
The suction valve comprises a placement hole 52 arranged at a position corresponding to the installation through hole on the second installation block 33, and an adjusting block 34 penetrating through the installation through hole and inserted into the placement hole 52, wherein the installation hole 36 is communicated with the placement hole 52, a vent hole 341 is arranged on the adjusting block 34, and the central line of the vent hole 341 and the central line of the inner cutter tube 2 are on the same horizontal line; a relief groove 342 is provided at the position of the adjusting block 34 corresponding to the hole of the mounting through hole, and the notches of the first groove 611 and the second groove 621 are embedded in the relief groove 342.
A caulking groove is further formed in the adjusting block 34 in a winding mode, a first sealing ring 35 is arranged in the caulking groove, and the outer side wall of the first sealing ring 35 is attached to the inner wall of the placement hole; a handle block 343 is provided on the adjustment block 34.
A first step hole 71 is arranged in the fixed hole 322, a second sealing ring 72 sleeved outside the inner cutter tube 2 is arranged at the small diameter end of the first step hole 71, a first baffle ring 81 sleeved outside the inner cutter tube 2 is arranged at the large diameter end of the first step hole 71, and the inner side wall of the first baffle ring 81 is in abutting contact with the outer side wall of the second sealing ring 72; a second step hole 73 is provided in the connecting hole 36, a third sealing ring 74 sleeved outside the inner cutter tube 2 is provided at the small diameter end of the second step hole 73, a second baffle ring 82 sleeved outside the inner cutter tube 2 is provided at the large diameter end of the second step hole 73, and the inner side wall of the second baffle ring 82 is in contact with the outer side wall of the third sealing ring 74.
In order to avoid interference, a relief groove (not shown) is provided on the outer sidewall of the handle at a position corresponding to the handle block 343 for rotation of the handle block 343 in the horizontal direction.
The application principle of the invention is as follows:
as shown in fig. 1, 2, 3 and 5 to 11, when in installation, a driving motor 31 is arranged on a second installation block 33, a transmission rod 311 penetrates through the second installation block 33, a driving tooth 41 is arranged at the penetrating end of the transmission rod 311, one end of a connecting rod 321 is inserted into the second installation block 33, a driving tooth 43 is sleeved on a boss 421 of a driven tooth 42, the driving tooth 43 is in meshed connection with the driving tooth 41, the driven tooth 42 is sleeved on the connecting rod 321, and the other end of the connecting rod 321 is inserted into a first installation block 32; then, the inner cutter tube 2 is penetrated out of the first mounting block 32 and sleeved with the driving teeth 44, the driving teeth 44 are in meshed connection with the driven teeth 42, and then the inner cutter tube 2 continues to extend into the second mounting block 33 and form sleeved connection; next, the suction pipe 51 is inserted into the second mounting block 33, and the inner cutter tube 2 and the suction pipe 51 are kept in communication within the connection hole 36.
Finally, the first mounting block 32 and the second mounting block 33 are connected and fixed into an integral mounting component in a threaded manner, the integral mounting component is integrally put into a handle formed by the insertion and the surrounding of the left handle part 61 and the right handle part 62, in the process, the adjusting block 34 is firstly placed at the notch position of the first groove 611 or the second groove 621, the notch of the first groove 611 or the second groove 621 is firstly embedded in the yielding groove 342, and after the insertion and the surrounding of the left handle part 61 and the right handle part 62, the notch of the first groove 611 and the notch of the second groove 621 are embedded in the yielding groove 342, so that the mounting and the fixing of the adjusting block 34 are realized; at the same time, the inner cutter tube 2 and the suction tube 51 are ensured to extend out of the handle at the corresponding positions (corresponding positions shown in fig. 1, 2 and 4), the outer cutter tube 1 is sleeved outside the inner cutter tube 2 and extends into the handle, and at the same time, the outer cutter tube 1 is moved to be fixed in place, so that the second open slot 21 is positioned in the first open slot 11, and the first cutting edge 12 is overlapped outside the second cutting edge 22 (shown in fig. 11 and 12).
When in use, the driving motor 31 and the negative pressure air extractor are started, the adjusting block 34 is stirred, the vent hole 341 is communicated with the inner hole of the inner cutter tube 2 and the suction tube 51, and under the action of negative pressure, air is extracted through the second open groove 21, the inner tube of the inner cutter tube 2 and the suction tube 51; the driving motor 31 drives the transmission rod 311 to reciprocate, and therefore, the sleeved driving teeth 41 drive the transmission teeth 43 to rotate, the transmission teeth 43 drive the driven teeth 42 to rotate and engage with the transmission driving teeth 44 to rotate, and finally, the driving teeth 44 rotate to drive the inner cutter tube 2 to synchronously rotate, and when the inner cutter tube 2 reciprocates, the stacked second cutting edge 22 and the tooth cutting edge of the first cutting edge 11 form a rotating shearing effect, which is favorable for shearing soft tissues sucked by negative pressure, and avoids blocking caused by the fact that larger soft tissues enter the inner tube or the suction tube 51 of the inner cutter tube 2.
When the inner cutter tube is required to be closed or temporarily stopped, the handle block 343 is stirred, the regulating block 34 is rotated, the vent hole 341 is not communicated with the inner hole of the inner cutter tube 2 and the suction tube 51, negative air pressure is not generated at the second opening groove 21, and soft tissues are not sucked into the inner cutter tube 2; if the tool is to be used again, the handle block 343 is further moved to allow the vent hole 341 to communicate with the inner hole of the inner cutter tube 2 and the suction tube 51.
The small diameter end of the first step hole 71 and the small diameter end of the second step hole 73 are provided with the second seal ring 72 and the second seal ring 74, respectively, on the adjusting block 34, so that leakage in the air intake direction of the inner cutter tube 2, in the gap between the first connecting block 32 and the second connecting block 33, and in the mounting position of the adjusting block 34 can be prevented, and the inside of the handle can be kept clean.
As shown in fig. 9 and 10, a plurality of support plates are correspondingly arranged on the left handle portion 61 and the right handle portion 62, after the left handle portion 61 and the right handle portion 62 are spliced and buckled, the support plates at corresponding positions on the two handle portions are surrounded to form corresponding hole groove structures, and the hole groove structures provide support and limit for the driving motor 31, the first mounting block 32 and the second mounting block 33 at corresponding positions, so that the use stability is improved; since the assembly specifications of the driving motor 31, the first mounting block 32 and the second mounting block 33 may be different, the structural arrangement of the support plate is an adaptive configuration, and will not be described herein.

Claims (10)

1. A medical soft tissue planing tool, which is characterized in that: including planer tool subassembly, reduction gear subassembly, shell body, motor and suction device, planer tool subassembly contains hollow outer knife subassembly and interior knife subassembly, and interior knife subassembly cover is established in outer knife subassembly, and the one end of outer knife subassembly and interior knife subassembly all is equipped with soft tissue inhalable opening, and the reduction gear subassembly is fixed in the shell body, and the reduction gear subassembly contains reduction gear casing and drive gear group, and the other end and the reduction gear casing of outer knife subassembly are connected, drive gear group respectively with the other end of interior knife subassembly and the output of motor are connected, and suction device contains suction valve and suction tube (51), and suction tube (51) are through the cavity intercommunication of suction valve and interior knife subassembly to realize passing through the cavity way of suction device and interior knife subassembly to the opening position department of negative pressure transmission to the opening is inhaled soft tissue, and motor drive reduction gear subassembly and drive interior knife rotation and cut off the soft tissue of inhaling, and take away the operation position with the soft tissue of cutting off under the effect of negative pressure, thereby realize the planing to soft tissue.
2. A medical soft tissue planing tool as defined in claim 1, wherein: the utility model provides an outer knife tackle spare includes outer knife pipe (1), the inner knife tackle spare includes inner knife pipe (2), outer knife pipe (1) cup joints on the shell body, inner knife pipe (2) cover is established in outer knife pipe (1) one end of outer knife pipe (1) is equipped with first open slot (11), is equipped with first blade (12) at the notch of this open slot, the one end of inner knife pipe (2) also is equipped with second open slot (21), is equipped with second blade (22) at the notch of this open slot, one side of inner knife pipe (2) stretches into in outer knife pipe (1), and second open slot (21) are located first open slot (11), and make first blade (12) superpose in the outside of second blade (22), and the opposite side of this inner knife pipe (2) stretches into in handle (3) and is connected with transmission.
3. A medical soft tissue planing tool as defined in claim 2, wherein: the speed reducer shell comprises a first mounting block (32) and a second mounting block (33) which are arranged in the shell and are connected in a threaded manner, the transmission gear set comprises a driving motor (31) fixedly arranged in the shell, a transmission rod (311) penetrating through the second mounting block (33) is arranged at the output end of the driving motor (31), a driving tooth (41) is arranged at the penetrating end of the transmission rod (311), a connecting rod (321) is connected between the first mounting block (32) and the second mounting block (33), a driven tooth (42) is sleeved on the connecting rod (321), a boss (421) is arranged on the driven tooth (42), and a transmission tooth (43) meshed with the driving tooth (41) is sleeved on the boss (421); the first mounting block (32) is provided with a fixing hole (322), the extending end of the inner cutter tube (2) penetrates through the fixing hole (322) and extends into the second mounting block (33), the position, where the inner cutter tube (2) penetrates through the fixing hole (322), of the inner cutter tube is sleeved with a driving tooth (44), and the driving tooth is meshed with the driven tooth (42).
4. A medical soft tissue planing tool according to claim 3, wherein: a connecting hole (36) is formed in the second mounting block (33), an inner cutter tube (2) is inserted into one end of the connecting hole (36), one end of a suction tube (51) penetrates through the outer shell and is inserted into the other end of the connecting hole (36), and the center line of the suction tube (51) and the center line of the inner cutter tube (2) are on the same horizontal line; the other end of the suction pipe (51) is protruded out of the outer shell and is communicated with the negative pressure air extractor.
5. A medical soft tissue planing tool according to claim 3, wherein: the outer shell comprises a left handle part (61) and a right handle part (62) which are connected in a sleeved mode, a plug pin is arranged on the inner side wall of the left handle part (61), a jack is arranged at the position, corresponding to the plug pin, of the inner side wall of the right handle part (62), and the plug pin at the corresponding end is inserted into the jack to realize connection of the left handle part (61) and the right handle part (62); a first groove (611) is formed in the left handle part (61), a second groove (621) is formed in the right handle part (62), and when the left handle part (61) is connected with the right handle part (62), the first groove (611) and the second groove (621) are surrounded to form a mounting through hole; the suction valve comprises a placement hole (52) arranged at the position corresponding to the installation through hole on the second installation block (33), and an adjusting block (34) penetrating through the installation through hole and inserted into the placement hole (52), wherein the installation hole (36) is communicated with the placement hole (52), a vent hole (341) is arranged on the adjusting block (34), and the center line of the vent hole (341) and the center line of the inner cutter tube (2) are on the same horizontal line.
6. A medical soft tissue planing tool as defined in claim 5, wherein: and a yielding groove (342) is arranged at the position of the adjusting block (34) corresponding to the orifice of the mounting through hole, and the notches of the first groove (611) and the second groove (621) are embedded in the yielding groove (342).
7. A medical soft tissue planing tool as defined in claim 5, wherein: the regulating block (34) is further provided with a caulking groove in a winding mode, a first sealing ring (35) is arranged in the caulking groove, and the outer side wall of the first sealing ring (35) is attached to the inner wall of the placing hole (52).
8. A medical soft tissue planing tool as defined in claim 5, wherein: a handle block (343) is arranged on the adjusting block (34).
9. A medical soft tissue planing tool according to claim 3, wherein: the fixing hole (322) is internally provided with a first step hole (71), the small diameter end of the first step hole (71) is provided with a second sealing ring (72) sleeved outside the inner cutter pipe (2), the large diameter end of the first step hole (71) is provided with a first baffle ring (81) sleeved outside the inner cutter pipe (2), and the inner side wall of the first baffle ring (81) is in butt joint with the outer side wall of the second sealing ring (72).
10. A medical soft tissue planing tool according to claim 3, wherein: a second step hole (73) is formed in the connecting hole (36), a third sealing ring (74) sleeved on the outer side of the inner cutter tube (2) is arranged at the small-diameter end of the second step hole (73), a second baffle ring (82) sleeved on the outer side of the inner cutter tube (2) is arranged at the large-diameter end of the second step hole (73), and the inner side wall of the second baffle ring (82) is in butt joint with the outer side wall of the third sealing ring (74).
CN202310393488.8A 2023-04-13 2023-04-13 Medical soft tissue planing tool Pending CN116370036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310393488.8A CN116370036A (en) 2023-04-13 2023-04-13 Medical soft tissue planing tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310393488.8A CN116370036A (en) 2023-04-13 2023-04-13 Medical soft tissue planing tool

Publications (1)

Publication Number Publication Date
CN116370036A true CN116370036A (en) 2023-07-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310393488.8A Pending CN116370036A (en) 2023-04-13 2023-04-13 Medical soft tissue planing tool

Country Status (1)

Country Link
CN (1) CN116370036A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117379142A (en) * 2023-11-01 2024-01-12 邦士医疗科技股份有限公司 Detachable planing device for gynecological operation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117379142A (en) * 2023-11-01 2024-01-12 邦士医疗科技股份有限公司 Detachable planing device for gynecological operation
CN117379142B (en) * 2023-11-01 2024-05-17 邦士医疗科技股份有限公司 Detachable planing device for gynecological operation

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