CN117379142B - Detachable planing device for gynecological operation - Google Patents
Detachable planing device for gynecological operation Download PDFInfo
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- CN117379142B CN117379142B CN202311445814.1A CN202311445814A CN117379142B CN 117379142 B CN117379142 B CN 117379142B CN 202311445814 A CN202311445814 A CN 202311445814A CN 117379142 B CN117379142 B CN 117379142B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 206010046798 Uterine leiomyoma Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 210000004247 hand Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 206010046811 uterine polyp Diseases 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
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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
- A61B17/3205—Excision instruments
- A61B17/32053—Punch like cutting instruments, e.g. using a cylindrical or oval knife
-
- 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
- A61B2017/4216—Operations on uterus, e.g. endometrium
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a detachable planing device for gynecological operation, which comprises: the outer cutter tube, the inner cutter tube, the reciprocating screw rod and the outer buckling shell formed by mutually buckling the left half shell and the right half shell are movably connected with a double buckle which is movably connected with the outer shell of the power handle; an inner cutter tube handle shell is arranged outside one end of the inner cutter tube, and an outer cutter tube is sleeved outside the other end of the inner cutter tube; the end part of the inner cutter tube handle shell is provided with a wall groove which is connected with a power shaft of the power handle; an inner cutter tube straight gear ring is arranged on the inner cutter tube handle shell; the multifilament rod is sleeved and fixed on the inner cutter tube, and the straight tooth section of the reciprocating screw rod is movably arranged in the straight tooth inner ring hole of the straight tooth ring of the inner cutter tube. The planing device provided by the invention has the advantages that the planing device can be conveniently assembled and disassembled with the main flow power handle by arranging the double-buckle and the inner knife pipe handle shell with a special structure, and meanwhile, the planing device is optimally designed at the power conversion mechanism of the gear transmission, so that the size of the planing device is obviously reduced, and the planing device is favorable for operation and use of operators.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to a detachable planing device for gynecological operation.
Background
Currently, in gynecological related operations, a shaver is used to cut tissues such as hysteromyoma and uterine polyp, and the shaver cuts pathological tissues in a mode that a motor drives a cutter to reciprocate and spin. Because the operation is performed under the minimally invasive condition, on one hand, the pain of a patient can be relieved, on the other hand, the wound caused by the operation is smaller, the postoperative recovery of the patient is quick, and meanwhile, the postoperative complications can be reduced, so that the development of the planing device applied to the gynecological operation is more and more important in the industry.
The invention patent with publication number CN102438534B provides a tissue removing system and device, the power source is integrated in the host, the power transmission mechanism is arranged in a flexible cable, the power conversion mechanism (realizing reciprocating motion and rotating motion) is arranged in the handle, the device is required to be matched with a special host device although realizing cutting function, the handle cannot be connected with the current main stream power handle, the research and development cost of the host device is increased, in addition, the size of the handle of the device in the axial direction is longer, the power conversion mechanism needs two parallel motion axes, the structural space occupied in the radial direction is more, therefore, the overall size of the handle is larger, and the operation is not facilitated (for example, the handle is too long to block the wrist and influence the operation).
The invention of publication CN113855153B provides a planer system in which the motor is disposed in the handle without the need for separately developing the host device, but the power transmission and conversion mechanism of the system is still disposed as two parallel motion axes, the handle is also large in radial and axial dimensions, and in addition, the planer of the system cannot be disassembled and is high in cost.
Therefore, there is a need to design a planer that can fit the current mainstream power handles while ensuring that the planer is sized for surgical procedures without causing rapid fatigue to the hands of the physician.
Disclosure of Invention
The invention provides a detachable planing device for gynecological operation, which solves the problem that the current planing device and a main flow power handle cannot be freely disassembled and assembled.
A detachable planer for gynecological surgery, comprising: the outer cutter tube, the inner cutter tube, the reciprocating screw rod and the outer buckling shell formed by mutually buckling the left half shell and the right half shell are movably connected with a double buckle which is movably connected with the outer shell of the power handle;
an inner cutter tube handle shell is arranged outside one end of the inner cutter tube, and an outer cutter tube is sleeved outside the other end of the inner cutter tube; the end part of the inner cutter tube handle shell is provided with a wall groove which is connected with a power shaft of the power handle; an inner cutter tube straight gear ring is arranged at one end of the inner cutter tube handle shell, which is far away from the wall groove;
the multifilament rod is sleeved and fixed on the inner cutter tube, the reciprocating screw rod consists of a straight tooth section and a spiral section, the straight tooth section is movably arranged in a straight tooth inner ring hole of a straight tooth ring gear of the inner cutter tube, and the spiral section is positioned in the inner cutter tube handle shell;
The straight tooth section is meshed with a first gear, the first gear is in transmission connection with a second gear through an eccentric connecting rod, and the second gear is meshed with the straight tooth ring of the inner cutter tube.
Further, the straight gear ring, the second gear, the first gear and the straight gear section of the inner cutter tube form a gear system, and the transmission ratio of the gear system is 2:1, 3:2, 4:3, 5:4, 6:5 or 7:6.
Further, the modulus of the gear set of the straight gear ring of the inner cutter tube and the second gear is 0.5, and the modulus of the gear set of the first gear and the straight gear section is 0.47.
Further, the double buckle is annular, a positioning groove is formed in the side wall of the double buckle, an inner ring buckle block is arranged on the inner wall of the double buckle, and an inserting block is arranged on the outer wall of the double buckle;
the outer wall of the left half shell is provided with a left half buckling hole and a left half positioning rib, and the outer wall of the right half shell is provided with a right half buckling hole and a right half positioning rib;
The inner ring buckling blocks are buckled on the left half buckling position hole of the left half shell and the right half buckling position hole of the right half shell, the left half locating rib and the right half locating rib are respectively clamped in the locating grooves of the double buckles, and the plug blocks are inserted on the shell of the power handle.
Further, a guide hole is formed in the inner cutter pipe handle shell, a guide block is installed through the guide hole, and the guide block is arranged on the spiral section in a sliding mode.
Further, the back of the guide block is a spherical surface, the front of the guide block is a guide angle block, and crescent grooves are formed between the guide angle blocks; the spherical surface is connected with the inner wall of the left side part of the left half shell and the inner wall of the right side part of the right half shell.
Further, the end part of the right half shell is provided with an inward protruding right half limiting rib, the end part of the left half shell is provided with an inward protruding left half limiting rib, and the right half limiting rib and the left half limiting rib are clamped in a clamping groove on the outer wall of the inner cutter tube handle shell.
Further, a female inner buckling groove is formed in the left half shell, a male inner buckling block is arranged in the right half shell, and the female inner buckling groove is matched with the male inner buckling block; the inside of the left half shell is also provided with a left half rotating shaft groove, the inside of the right half shell is also provided with a right half rotating shaft groove, and a rotating shaft groove cavity formed by the left half rotating shaft groove and the right half rotating shaft groove is used for installing a first gear and a second gear.
Further, an outer cutter tube shell is arranged on the outer cutter tube, an inner rotary buckling block is arranged on the inner wall of the outer cutter tube shell, and the inner rotary buckling block is buckled with an outer rotary buckling groove of the outer buckling shell.
Further, the first gear and the second gear are respectively provided with at least three eccentric holes, two ends of the eccentric connecting rod are provided with pins, and the pins are inserted into the eccentric holes.
The invention has the following beneficial effects:
(1) The planing device provided by the invention has the advantages that the planing device can be conveniently and quickly assembled and disassembled with the main flow power handle by arranging the double-buckle and the inner knife pipe handle shell with a special structure, the power handle can be continuously used by only taking down the planing device after the planing device is used, and the consumption cost of the surgical instrument is reduced.
(2) The planing device is designed optimally at the power conversion mechanism of the gear transmission, so that the radial diameter of the planing device is obviously reduced, the axial length is shortened, the planing device is beneficial to the operation and the use of operators, and the planing device is not easy to generate fatigue after long-term holding.
(3) The planing device has high universality, low cost and stable and reliable operation.
Drawings
FIG. 1 is a schematic view showing the internal structure of the planing machine of the present invention;
FIG. 2 is an exploded view of the overall construction of the planer of the present invention;
FIG. 3 is a schematic view of the assembly of the planing machine and the power handle of the present invention;
FIG. 4 is a schematic axial cut-away view of the assembly of the planing machine and the power handle of the present invention;
FIG. 5 is a schematic axial cut-away view of the planer of the present invention after assembly with a power handle;
FIG. 6 is a schematic view of the structure of the left half shell in the present invention;
Fig. 7 is a structural view of a spiral section of the reciprocating screw in the present invention.
In the figure: 1-left half shell; 101-an outer rotary buckle groove; 102-left half buckling hole; 103-left half positioning ribs; 104-female inner buckling groove; 105-left half-rotation shaft groove; 106-left side inner wall; 107-left half groove of the inner cutter tube; 108-left half limiting ribs; 2-right half shell; 201-right half buckling hole; 202-right half positioning ribs; 203-right half limiting ribs; 204-male inner button block; 205-right half spindle groove; 206-right side inner wall; 207-right half groove of inner cutter tube; 3-an outer cutter tube shell; 301-inner rotary buckling blocks; 4-a first gear; 401-eccentric holes; 402-a second spindle; 5-eccentric links; 501-pins; 6-a second gear; 601 gear teeth; 602-a first rotation shaft; 7-a reciprocating screw rod; 701-straight tooth segment; 702-helical segments; 703-left helical groove; 704-right helical groove; 8-a guide block; 801-a guide angle block; 802-sphere; 803-crescent groove; 9-an inner cutter tube handle shell; 901-a guide hole; 902-straight gear ring of inner cutter tube; 903-a card slot; 904-wall slots; 905-straight tooth inner ring hole; 10-double buckles; 1001-inner ring buckling blocks; 1002-a positioning groove; 1003-insert; 11-a spring; 12-an inner handle cover; 13-an outer cutter tube; 14-an inner cutter tube; 27-a power handle; 2701-power shaft.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a detachable planer for gynecological operation, comprising: the left half shell 1, the right half shell 2, the outer cutter tube 13, the inner cutter tube 14, the reciprocating screw rod 7, the inner cutter tube handle shell 9, the double-clamping buckle 10 and the outer cutter tube shell 3 arranged on the outer cutter tube 13.
The left half shell 1 and the right half shell 2 are mutually buckled and connected to form an outer buckling shell, the outer buckling shell is divided into a left step, a middle step and a right step in appearance, wherein the middle step is the highest, and the inside of the outer buckling shell is also provided with a left cavity, a middle cavity and a right cavity which are different in size and correspond to the three steps respectively. The left step is buckled with the outer cutter tube shell 3, so that the outer cutter tube shell 3 and the outer cutter tube 13 inside the outer cutter tube shell 3 are stabilized; the right step is sleeved with a connecting double buckle 10, and the double buckle 10 is externally fixed with an outer buckle shell formed by the left half shell 1 and the right half shell 2 on one hand and is also used for being connected with a power handle 27 on the other hand. The middle cavity in the outer buckle shell is used for accommodating the straight tooth section 701 of the first gear 4, the second gear 6 and the reciprocating screw rod 7; the right chamber is used for arranging the spiral section 702 of the reciprocating screw rod 7 and part of the inner cutter tube handle shell 9.
Specifically, the outer wall of the left half shell 1 is provided with a plurality of left half positioning ribs 103 along the axial direction, the outer wall of the right half shell 2 is provided with a plurality of right half positioning ribs 202 along the axial direction, and the left half positioning ribs 103 and the right half positioning ribs 202 are the same in shape and are all rectangular strips with the same width. The double-fastener 10 is annular, a plurality of positioning grooves 1002 are formed in the side wall of the double-fastener 10, the size and shape of the positioning grooves 1002 are matched with those of the left half positioning ribs 103, and the left half positioning ribs 103 and the right half positioning ribs 202 are clamped in the positioning grooves 1002 of the double-fastener 10; the positioning groove 1002 penetrates through one end portion, so that the double-buckle 10 can be expanded in the radial direction, the double-buckle 10 can be conveniently assembled on the right step of the outer buckle shell, and meanwhile the double-buckle is convenient to detach.
The inner wall of the double buckle 10 is provided with an inner ring buckling block 1001, a left half buckling hole 102 is formed in the right part step of the left half shell 1, a right half buckling hole 201 is formed in the right part step of the right half shell 2, and the inner ring buckling block 1001 is buckled in the left half buckling hole 102 and the right half buckling hole 201 in a concave-convex structure, so that the functions of reinforcing connection and positioning are achieved.
The outer wall end of the double buckle 10 is provided with an inserting block 1003, the inserting block 1003 is inserted into the shell of the power handle 27 and used for connecting the planing device with the power handle 27, and the cross section of the inserting block 1003 is wedge-shaped, so that the inserting block is convenient to insert and install.
The left side of the left part step of the left half shell 1 and the right half shell 2 are respectively provided with an outer rotary buckling groove 101, the inner wall of the outer cutter tube shell 3 is provided with an inner rotary buckling block 301, and the inner rotary buckling block 301 is buckled on the outer rotary buckling grooves 101 and is used for sleeving the outer cutter tube shell 3 and connecting the outer cutter tube shell with the left part step of the outer buckling shell.
The end part of the right half shell 2 is provided with a right half limiting rib 203 protruding inwards, the end part of the left half shell 1 is provided with a left half limiting rib 108 protruding inwards, and the left half limiting rib 108 and the right half limiting rib 203 are both annular; the outer wall of the inner cutter tube handle shell 9 is provided with a circle of annular clamping groove 903, and the left half limiting rib 108 and the right half limiting rib 203 are clamped in the clamping groove 903 and used for integrally positioning and fixing the outer buckle shell on the inner cutter tube handle shell 9, so that the inner cutter tube handle shell 9 is prevented from moving back and forth along the axial direction when rotating.
The inside of the left half shell 1 is provided with a female inner buckling groove 104, the inside of the right half shell 2 is provided with a male inner buckling block 204, and the female inner buckling groove 104 is matched with the male inner buckling block 204 and buckled with the male inner buckling block 204, so that the connection stability of the female inner buckling block and the male inner buckling block is improved.
The middle cavity side wall of the left half shell 1 is provided with a left half rotating shaft groove 105, the middle cavity side wall of the right half shell 2 is provided with a right half rotating shaft groove 205, the left half rotating shaft groove 105 is symmetrical to the right half rotating shaft groove 205, when the left half shell 1 is buckled with the right half shell 2, the left half rotating shaft groove 105 is in butt joint with the right half rotating shaft groove 205 to form two cylindrical rotating shaft groove cavities, and the first gear 4 and the second gear 6 are installed through the rotating shaft groove cavities.
A first rotating shaft 602 is arranged on the outer end face of the shaft center of the second gear 6, a second rotating shaft 402 is arranged on the outer end face of the shaft center of the first gear 4, and the first rotating shaft 602 and the second rotating shaft 402 are respectively assembled in two rotating shaft groove cavities through bearings; the end faces of the second gear 6 opposite to the first gear 4 are respectively provided with at least three eccentric holes 401, and an eccentric connecting rod 5 is inserted into the eccentric holes 401 to connect the second gear 6 with the first gear 4. The eccentric connecting rod 5 is Z-shaped, two ends of the eccentric connecting rod are provided with pins or are directly fixed with pins 501, and the pins 501 are inserted into the eccentric holes 401.
In this embodiment, the number of eccentric holes 401 on the second gear 6 and the first gear 4 is three, the number of eccentric links 5 is three, the eccentric holes 401 are uniformly distributed around the circle center of the gear, and the mutual included angle between the circle center of the eccentric holes 401 and the circle center of the gear is 120 °. When the second gear 6 rotates, the first gear 4 is driven to rotate through the eccentric connecting rods 5, and when the number of the eccentric connecting rods 5 is less than three, the rotation of the first gear 4 is inconsistent with that of the second gear 6, and the connection is unreliable.
The inner cutter tube handle shell 9 is arranged outside the inner cutter tube 14 and is in running fit with the inner cutter tube 14, an inner cutter tube straight gear ring 902 is fixed on one end face of the inner cutter tube handle shell 9, and a plurality of wall grooves 904 along the axial direction are formed in the shell wall of the other end; the wall groove 904 is connected with a power shaft 2701 of the power handle 27, the gear teeth 601 of the second gear 6 are meshed with outer gear teeth of an inner cutter tube straight gear ring 902, when the power shaft 2701 rotates, the inner cutter tube handle shell 9 is driven to rotate, the inner cutter tube straight gear ring 902 at the end part of the inner cutter tube handle shell 9 rotates to drive the second gear 6 to rotate, and the second gear 6 drives the first gear 4 to rotate.
The reciprocating screw rod 7 is sleeved and fixed on the inner cutter tube 14, the reciprocating screw rod 7 is composed of a straight tooth section 701 and a spiral section 702, the spiral section 702 is positioned in the inner cutter tube handle shell 9, the straight tooth section 701 is rotatably arranged in a straight tooth inner ring hole 905 of the inner cutter tube straight tooth ring 902 and is not contacted with the inner wall of the inner cutter tube straight tooth ring 902, the straight tooth section 701 is meshed with the first gear 4, and the reciprocating screw rod 7 meshed with the first gear 4 is driven to rotate through rotation of the first gear 4.
The inner cutter pipe handle shell 9 is provided with a guide hole 901, the guide hole 901 is positioned at a section corresponding to the spiral section 702 of the reciprocating screw rod 7, a guide block 8 is installed through the guide hole 901, and the guide block 8 is arranged on the spiral section 702 in a sliding mode. The left spiral groove 703 and the right spiral groove 704 are uniformly distributed on the outer wall of the rod of the spiral section 702, the left spiral groove 703 and the right spiral groove 704 are formed by crescent blocks, and connecting lines of tail ends of the crescent blocks on the left side and the right side are staggered, namely, the tail ends of the crescent blocks have a crossing part in the axial direction of the rod, which is beneficial to the guide block 8 to smoothly slide in the left spiral groove 703 and the right spiral groove 704 without falling off.
The front surface of the guide block 8 is a rectangular block, the side end surface of the guide block is processed into a circular arc-shaped crescent groove 803, two ends of the crescent groove 803 are provided with protruding guide angle blocks 801, and the guide angle blocks 801 are subjected to chamfering treatment to play a role in guiding; the back of the guide block 8 is a spherical surface 802, the spherical surface 802 is connected with the left inner wall 106 of the left half shell 1 and the right inner wall 206 of the right half shell 2, the contact area between the two is small, the friction force between the two can be greatly reduced, and the abrasion of the guide block 8 is avoided. The guide block 8 is arranged on the spiral section 702 of the reciprocating screw rod 7 through the guide hole 901, and the back spherical surface 802 of the guide block 8 protrudes out of the guide hole 901, so that the guide block 8 can be rotated when the inner cutter pipe handle shell 9 rotates, the crescent 803 of the guide block 8 is connected with the rod wall of the spiral section 702 of the reciprocating screw rod 7, and when the guide block 8 rotates, the guide block 8 slides on the spiral section 702 of the reciprocating screw rod 7 and pushes the reciprocating screw rod 7 to move in the axial direction, and the guide block 8 is positioned in the guide hole 901 and only rotates, so that the inner cutter pipe handle shell 9 does not move practically in the axial direction.
The side of the inner cutter tube handle shell 9, which is close to the power handle 27, is provided with a spring 11, an inner cutter handle cover 12 is connected to the end face of the spring 11, and the spring 11 and the inner cutter handle cover 12 are both positioned in the inner cutter tube handle shell 9 and used for negative pressure sealing during working and use, so that leakage of physiological saline and the like is avoided. The inner handle cover 12 is made of silica gel.
The outer cutter tube shell 3 and the outer cutter tube 13 are integrally formed in an injection molding mode.
The reciprocating screw rod 7 and the inner cutter tube 14 are integrally formed through injection molding by a mold, namely, the inner cutter tube 14 moves and rotates along with the reciprocating screw rod 7 when the reciprocating screw rod 7 rotates and moves.
The left step end face of the left half shell 1 is provided with an inner cutter pipe left half groove 107, the left step end face of the right half shell 2 is provided with an inner cutter pipe right half groove 207, the inner cutter pipe right half groove 207 and the inner cutter pipe left half groove 107 are in butt joint to form a complete circular groove cavity, and the inner cutter pipe 14 penetrates through the circular groove cavity, so that the inner cutter pipe 14 is prevented from shaking greatly while rotating.
It should be noted that, the rotation speed of the straight tooth section 701 of the reciprocating screw 7 is one turn faster than that of the straight tooth ring 902 of the inner cutter tube, and there is always a speed difference between the two, and the speed difference makes the situation that the gears are blocked be avoided. The gear ratio of the straight tooth segment 701 to the inner cutter tube straight gear ring 902 may be set to any one of 2:1, 3:2, 4:3, 5:4, 6:5, 7:6, etc., and is actually selected according to the size and actual requirement of the inner cutter tube 14.
Preferably, the gear ratio is equal to about 5:4 when the number of the outer gear teeth of the straight gear ring 902 of the inner cutter tube is 29, the number of the gear teeth 601 of the second gear 6 is 14, the number of the gear teeth 12 of the first gear 4 and the number of the gear teeth of the straight gear section 701 of the reciprocating screw rod 7 is 20, and the gear ratio is calculated by the ratio of the product of the number of the teeth of all the driven gears to the product of the number of the teeth of all the driving gears in the gear system, namely (29×14)/(20×12) in the gear system consisting of the straight gear ring 902 of the inner cutter tube, the second gear 6, the first gear 4 and the straight gear section 701.
In addition, the number of teeth of the inner cutter straight ring gear 902 and the first gear 4 may be interchanged, and the number of teeth of the straight tooth segment 701 of the reciprocating screw 7 and the number of teeth of the second gear 6 may be interchanged, so long as the transmission ratio is about 5:4, at this time, the number of teeth of the outer gear of the inner cutter straight ring gear 902 is 12, the number of teeth of the first gear 4 is 29, the number of teeth of the second gear 6 is 20, and the number of teeth of the straight tooth segment 701 of the reciprocating screw 7 is 14.
The pitch of the spiral section 702 of the reciprocating screw rod 7 is set to be 5mm, when the reciprocating screw rod 7 rotates for 5 circles, the straight gear ring 902 of the inner cutter tube rotates for 4 circles, and the guide block 8 rotates for 1 circle in the chute; when the reciprocating screw rod 7 rotates for 1 circle, the straight gear ring 902 of the inner cutter tube rotates for 4/5 circle, and the guide block 8 rotates for 1/5 circle in the chute, namely, the guide block 8 moves for 1mm in the axial direction, so that the inner cutter tube 14 is driven to move for 1mm in the axial direction, and the use requirement is met.
The gear group modulus of the inner cutter tube straight gear ring 902 and the gear group modulus of the second gear 6 are 0.5, and the gear modulus of the first gear 4 and the gear modulus of the straight gear section 701 are 0.47, so that the transmission axes of the first gear 4 and the second gear 6 are not on the same straight line, the reduction of the tooth top diameter of the straight gear section 701 is facilitated, the straight gear section 701 is conveniently arranged in the inner cutter tube straight gear ring 902, and the overall length of the planer is reduced.
In addition, the power handle 27 in this embodiment is a general-purpose device for medical use, and is regarded as a prior art.
The foregoing is merely a preferred embodiment of the invention, which is not representative of all possible forms of the invention, and the scope of the invention is not limited to such specific statements and embodiments. Various other modifications and improvements can be made in light of the teachings of the present disclosure without departing from the spirit and scope of the invention.
Claims (9)
1. A detachable shaver for gynecological operation, comprising: the automatic cutting machine comprises an outer cutter tube (13), an inner cutter tube (14), a reciprocating screw rod (7) and an outer buckling shell formed by mutually buckling a left half shell (1) and a right half shell (2), wherein a double buckle (10) is movably connected to the outer buckling shell, and the double buckle (10) is movably connected with a shell of a power handle (27);
An inner cutter tube handle shell (9) is arranged outside one end of the inner cutter tube (14), and the outer cutter tube (13) is sleeved outside the other end of the inner cutter tube; a wall groove (904) is formed at the end part of the inner cutter pipe handle shell (9), and the wall groove (904) is connected with a power shaft (2701) of the power handle (27); an inner cutter tube straight gear ring (902) is arranged at one end, far away from the wall groove (904), of the inner cutter tube handle shell (9);
The reciprocating screw rod (7) is sleeved and fixed on the inner cutter tube (14), the reciprocating screw rod (7) is composed of a straight tooth section (701) and a spiral section (702), the straight tooth section (701) is movably arranged in a straight tooth inner ring hole (905) of the straight tooth ring gear (902) of the inner cutter tube, and the spiral section (702) is positioned in the inner cutter tube handle shell (9); a guide hole (901) is formed in the inner cutter pipe handle shell (9), a guide block (8) is installed through the guide hole (901), and the guide block (8) is arranged on the spiral section (702) in a sliding mode;
the straight tooth section (701) is meshed with a first gear (4), the first gear (4) is in transmission connection with a second gear (6) through an eccentric connecting rod (5), and the second gear (6) is meshed with the straight tooth ring (902) of the inner cutter tube.
2. The detachable gynecological-operation shaver according to claim 1, wherein the inner cutter tube straight gear ring (902), the second gear (6), the first gear (4) and the straight gear section (701) form a gear system with a transmission ratio of 2:1, 3:2, 4:3, 5:4, 6:5 or 7:6.
3. The detachable shaver according to claim 1, wherein the gear set module of the inner cutter tube straight ring gear (902) and the second gear (6) is 0.5 and the gear set module of the first gear (4) and the straight tooth segment (701) is 0.47.
4. The detachable gynecological operation planing device according to claim 1, wherein the double buckle (10) is annular, the side wall of the double buckle is provided with a positioning groove (1002), the inner wall is provided with an inner ring buckle block (1001), and the outer wall is provided with an inserting block (1003);
The outer wall of the left half shell (1) is provided with a left half buckling hole (102) and a left half positioning rib (103), and the outer wall of the right half shell (2) is provided with a right half buckling hole (201) and a right half positioning rib (202);
The inner ring buckling blocks (1001) are buckled on a left half buckling hole (102) of a left half shell (1) and a right half buckling hole (201) of a right half shell (2), the left half locating ribs (103) and the right half locating ribs (202) are clamped in locating grooves (1002) of the double buckle (10), and the inserting blocks (1003) are inserted on a shell of the power handle (27).
5. The detachable gynecological operation planing device according to claim 1, wherein the back of the guiding block (8) is a sphere (802), the front is a guiding angle block (801), and a crescent groove (803) is arranged between the guiding angle blocks (801); the spherical surface (802) is connected with the left inner wall (106) of the left half shell (1) and the right inner wall (206) of the right half shell (2).
6. The detachable gynecological operation planing device according to claim 4, wherein the end part of the right half shell (2) is provided with an inwardly protruding right half limit rib (203), the end part of the left half shell (1) is provided with an inwardly protruding left half limit rib (108), and the right half limit rib (203) and the left half limit rib (108) are clamped in a clamping groove (903) on the outer wall of the inner cutter tube handle shell (9).
7. The detachable gynecological operation planing machine according to claim 6, wherein the inside of the left half shell (1) is provided with a female inner buckling groove (104), the inside of the right half shell (2) is provided with a male inner buckling block (204), and the female inner buckling groove (104) is matched with the male inner buckling block (204); the inside of left side half shell (1) still is equipped with left half pivot groove (105), the inside of right side half shell (2) still is equipped with right half pivot groove (205), the pivot groove chamber that left side half pivot groove (105) and right half pivot groove (205) formed is used for installing first gear (4), second gear (6).
8. The detachable gynecological operation planing device according to claim 1, wherein the outer cutter tube (13) is provided with an outer cutter tube shell (3), the inner wall of the outer cutter tube shell (3) is provided with an inner rotary buckling block (301), and the inner rotary buckling block (301) is buckled with an outer rotary buckling groove (101) of the outer buckling shell.
9. The detachable gynecological-operation planer according to any one of claims 1 to 8, wherein the first gear (4) and the second gear (6) are provided with at least three eccentric holes (401), two ends of the eccentric link (5) are provided with pins (501), and the pins (501) are inserted into the eccentric holes (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311445814.1A CN117379142B (en) | 2023-11-01 | 2023-11-01 | Detachable planing device for gynecological operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311445814.1A CN117379142B (en) | 2023-11-01 | 2023-11-01 | Detachable planing device for gynecological operation |
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| CN117379142A CN117379142A (en) | 2024-01-12 |
| CN117379142B true CN117379142B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311445814.1A Active CN117379142B (en) | 2023-11-01 | 2023-11-01 | Detachable planing device for gynecological operation |
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| WO2017071633A1 (en) * | 2015-10-30 | 2017-05-04 | 重庆西山科技股份有限公司 | Electric coagulation power handle, and electric coagulation planing tools and planing assembly |
| CN111437009A (en) * | 2020-04-03 | 2020-07-24 | 英姿医疗科技（杭州）有限公司 | Planer and planer system |
| CN211633382U (en) * | 2019-09-05 | 2020-10-09 | 石策 | Tissue rotary-cut device |
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| CN216602989U (en) * | 2021-10-19 | 2022-05-27 | 杭州好克光电仪器有限公司 | Inner tube movement structure of planing device |
| CN116370036A (en) * | 2023-04-13 | 2023-07-04 | 贵州梓锐科技有限公司 | Medical soft tissue planing tool |
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|---|---|---|---|---|
| KR102307399B1 (en) * | 2016-11-30 | 2021-10-01 | 충칭 시산 사이언스 앤드 테크놀로지 컴퍼니 리미티드 | Rotary Cutting Tools and Rotary Cutting Actuation Assemblies |
| US11083481B2 (en) * | 2019-02-22 | 2021-08-10 | Covidien Lp | Tissue resecting instrument including an outflow control seal |
| US11179172B2 (en) * | 2019-12-05 | 2021-11-23 | Covidien Lp | Tissue resecting instrument |
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| WO2017071633A1 (en) * | 2015-10-30 | 2017-05-04 | 重庆西山科技股份有限公司 | Electric coagulation power handle, and electric coagulation planing tools and planing assembly |
| CN211633382U (en) * | 2019-09-05 | 2020-10-09 | 石策 | Tissue rotary-cut device |
| CN111437009A (en) * | 2020-04-03 | 2020-07-24 | 英姿医疗科技（杭州）有限公司 | Planer and planer system |
| CN113855153A (en) * | 2021-10-19 | 2021-12-31 | 杭州好克光电仪器有限公司 | Planer system |
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| CN117379142A (en) | 2024-01-12 |
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