CN209863972U - Multi-link internal transmission type turbinate bone scissors - Google Patents
Multi-link internal transmission type turbinate bone scissors Download PDFInfo
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- CN209863972U CN209863972U CN201920457283.0U CN201920457283U CN209863972U CN 209863972 U CN209863972 U CN 209863972U CN 201920457283 U CN201920457283 U CN 201920457283U CN 209863972 U CN209863972 U CN 209863972U
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Abstract
The utility model discloses a multi-connecting-rod internal transmission type turbinate osteotome, which comprises a fixed rod, wherein a tube seat is arranged at the upper end of the fixed rod, a rotary shearing tube is arranged at the end part of the tube seat, a rotary shearing fixed blade is arranged at the end part of the rotary shearing tube, a tube seat rotary shearing rod is arranged in the rotary shearing tube, one end of the rotary shearing rod extends to the rotary shearing fixed blade, the other end of the rotary shearing rod extends through the tube seat, a rotary shearing blade is arranged at the end part of the rotary shearing rod close to the rotary shearing fixed blade, and a gear positioned in the tube seat is arranged on the rotary shearing rod; one side of deciding the pole is equipped with moves the pole, and the upper end of deciding the pole is articulated with the upper end of moving the pole, decides the pole and all is equipped with the finger circle with the tip of moving the pole, decides the pole and is equipped with the spout towards one side of moving the pole, is equipped with the slide bar in the spout, and the slide bar is equipped with the connecting rod with moving between the pole, and the both ends of connecting rod are articulated with slide bar and pole respectively, and the slide bar passes through. The utility model has the advantages of high operation efficiency, simple operation and long service life.
Description
Technical Field
The utility model belongs to turbinate scissors field especially relates to a transmission formula's turbinate scissors in many connecting rods.
Background
The turbinate scissors are medical instruments used for turbinate surgery, the turbinate scissors are provided with rotary shearing blades, rotary shearing fixed blades and two finger rings, the finger rings are used for being penetrated by forefinger and thumb to operate, when the two finger rings are close to each other, the rotary shearing blades and the rotary shearing fixed blades are close to each other to shear the turbinate bone, because the turbinate bone has certain hardness, the turbinate bone needs larger force when being sheared, larger vibration can be generated when the shearing is completed, tissue damage can be increased, the recovery after the operation is not facilitated, the operation efficiency is reduced, the operation hand feeling of a doctor is not good, the operation process is difficult to obtain effective feedback information according to the operation hand feeling, and the operation is difficult. In addition, the rotary shearing moving blade and the rotary shearing fixed blade are easily opened outwards when shearing, so that the shearing resistance is increased, the operation of doctors is not facilitated, the cut formed by shearing is irregular, the tissue damage is increased, the postoperative recovery is not facilitated, and the operation efficiency is reduced. Therefore, the existing turbinate scissors have the defects of low operation efficiency and difficult operation when being used for operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a transmission formula turbinate bone scissors in many connecting rods. The utility model has the advantages of high operation efficiency, simple operation and long service life.
The technical scheme of the utility model: the multi-connecting-rod internal transmission type turbinate scissors comprise a fixed rod, wherein a tube seat is arranged at the upper end of the fixed rod, a rotary shearing tube is arranged at the end part of the tube seat, a rotary shearing fixed blade is arranged at the end part of the rotary shearing tube, a tube seat rotary shearing rod is arranged in the rotary shearing tube, one end of the rotary shearing rod extends to the rotary shearing fixed blade, the other end of the rotary shearing rod extends through the tube seat, a rotary shearing movable blade is arranged at the end part of the rotary shearing rod, close to the rotary shearing fixed blade, and a gear positioned in the tube seat is arranged on the rotary; one side of deciding the pole is equipped with moves the pole, and the upper end of deciding the pole is articulated with the upper end of moving the pole, decides the pole and all is equipped with the finger circle with the tip of moving the pole, decides the pole and is equipped with the spout towards one side of moving the pole, is equipped with the slide bar in the spout, and the slide bar is equipped with the connecting rod with moving between the pole, and the both ends of connecting rod are articulated with slide bar and pole respectively, and the slide bar passes through.
In the multi-link internal transmission type turbinate bone scissors, the rotary scissors tube consists of a front tube and a rear tube which are connected by screw threads, the front tube is fixed with the rotary scissors blade, and the rear tube is connected with the tube seat by screw threads; the rotary shearing rod consists of a front rod and a rear rod which are connected through threads, the front rod is positioned in the front pipe and is fixed with the rotary shearing blade, the rear rod is positioned in the rear pipe, one end of the rear rod extends outwards to pass through the pipe seat, and the gear is arranged on the rear rod.
In the foregoing multi-link internal transmission type turbinate shears, a spring is disposed in the tube seat, one end of the spring is connected with the tube seat, and the other end of the spring is connected with the rear rod.
In the multi-link internal transmission type turbinate scissors, the tube seat comprises a rear seat fixed with the fixed rod, the rear seat is connected with the rear tube through the front seat, a threaded hole is formed in the end surface of the front seat facing the rear seat, and a threaded cover is arranged in the threaded hole; the rear rod is provided with an annular groove, two bottom surfaces of the annular groove are respectively positioned at two sides of the screw cap, the annular groove is provided with a gasket positioned in the front seat, and the spring is positioned between the gasket and the screw cap.
In the aforesaid multi-link internal transmission type turbinate scissors, the fixed rod and the rotary shearing rod have an included angle of 110-.
In the foregoing multi-link internal transmission type turbinate scissors, the rack is located outside the fixed rod, a cover plate is arranged at the upper end of the rack, a notch for accommodating the cover plate is formed in the tube seat, and the cover plate is fixed with the tube seat through a screw.
In the foregoing multi-link internal transmission type turbinate shear, the rack is connected to the slide bar by a screw.
In the foregoing multi-link internal transmission type turbinate bone scissors, the rotary scissors moving blade is provided with a shearing surface in line contact connection with the rotary scissors fixed blade.
In the foregoing multi-link internal transmission type turbinate bone scissors, the shearing surface includes an arc surface of which one end is in contact with the rotary shearing blade, and the side edge of the arc surface is in line contact with the rotary shearing blade.
In the foregoing multi-link internal transmission type turbinate bone scissors, the rotary shearing fixed blade and the rotary shearing movable blade are both perpendicular to the rotary shearing rod.
Compared with the prior art, the utility model is an improvement on the basis of the existing turbinate osteotome. The improved multi-link mechanism transmits the force on the finger rings to the rotary shearing blade to enable the rotary shearing blade and the rotary shearing fixed blade to approach each other to shear the turbinate bone, the multi-link mechanism comprises a connecting rod, a sliding rod, a rack, a gear and a rotary shearing rod, when the two finger rings approach, the connecting rod drives the sliding rod to move, the sliding rod drives the rack to move, the rack drives the gear to rotate, the gear drives the rotary shearing rod to rotate, the rotary shearing rod drives the rotary shearing blade to approach the rotary shearing fixed blade to shear the turbinate bone, the gear ratio is changed through the gear and the rack, after the two finger rings approach a larger distance, the rotary shearing blade rotates for a certain angle, a doctor can more easily control the operation of the turbinate bone operation by controlling the movement distance of the finger rings, meanwhile, the resistance felt by the fingers of the doctor is smaller and more linear, the operation hand feeling is better, and effective feedback information can be easily obtained according to the operation hand feeling in the shearing process, the operation is easy, large vibration can not be generated when the shearing is finished, the tissue damage can not be increased, the postoperative recovery is facilitated, and the operation efficiency is improved. Improve two and to have increased the spring on revolving the scissors pole, the spring will revolve the scissors through revolving the scissors pole and move the blade and compress tightly on revolving the scissors blade constantly, revolve the scissors and move the blade and cut the scissors blade soon and be difficult to open to the outside when cuting, the resistance of cuting is little, does benefit to doctor's operation, and also can make the wound of cuting formation neat in addition, reduces the tissue damage, does benefit to the postoperative and resumes, improves operation efficiency. Improve three and lie in having changed the shape of cutting the blade soon, originally cut the blade soon and cut the contact surface of fixed blade soon for the plane, the blade rubs blunt easily, the utility model discloses set up the arc surface on cutting the blade soon, cut the blade soon and pass through the arc limit and cut fixed blade soon and keep the line contact to be connected, cut the blade soon and cut the use when the junction of fixed blade even produce some wearing and tearing do not influence the operation soon, keep the blade sharp for a long time, life is longer.
In the frontal sinus surgery of the draft 3 type, the front end of the middle turbinate needs to be cut off in the surgery, and the front end of the middle turbinate can be quickly and accurately removed by using the utility model, so that the tissue damage is reduced, and the surgery efficiency is improved; in enlarging maxillary sinus windowing operation, current turbinate scissors are difficult to implement because the angle reason (cut soon and cut the blade and cut soon and decide the blade all to be on a parallel with turbinate scissors blade), and the utility model discloses cut soon and decide the blade and cut soon and cut the equal perpendicular to of blade and revolve the scissors pole, the doctor of being convenient for will revolve the scissors pole and go deep into the nasal cavity, can cut off the middle section inferior turbinate with the wicresoft, and the tissue damage is little and accurate, and operation efficiency obviously improves.
Therefore, the utility model has the advantages of high operation efficiency, simple operation and long service life.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view at a-a of fig. 1.
Fig. 3 is a left side view of the present invention at the position of the rotary shearing blade.
Fig. 4 is a top view of the present invention at the position of the rotary shearing blade.
The labels in the figures are: 1-fixed rod, 2-pipe seat, 21-rear seat, 22-front seat, 3-rotary shearing pipe, 4-rotary shearing fixed blade, 5-rotary shearing rod, 51-front rod, 52-rear rod, 6-rotary shearing movable blade, 7-gear, 8-movable rod, 9-finger ring, 10-sliding chute, 11-sliding rod, 12-connecting rod, 13-rack, 14-spring, 15-screw cap, 16-annular groove, 17-gasket, 25-screw, 26-shearing surface, 27-cover plate, 28-screw and 29-fastening piece.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. The multi-connecting-rod internal transmission type turbinate scissors comprise a fixed rod 1, a tube seat 2 is arranged at the upper end of the fixed rod 1, a rotary shearing tube 3 is arranged at the end part of the tube seat 2, a rotary shearing fixed blade 4 is arranged at the end part of the rotary shearing tube 3, a tube seat rotary shearing rod 5 is arranged in the rotary shearing tube 3, one end of the rotary shearing rod 5 extends to the rotary shearing fixed blade 4, the other end of the rotary shearing rod extends through the tube seat 2, a rotary shearing moving blade 6 is arranged at the end part of the rotary shearing rod 5, close to the rotary shearing fixed blade 4, and a gear 7 positioned in the tube seat 2 is arranged on the rotary shearing rod 5; one side of deciding pole 1 is equipped with and moves pole 8, decides the upper end of pole 1 and moves the upper end of pole 8 and articulate, decides the tip of pole 1 and move pole 8 and all is equipped with finger ring 9, decides pole 1 and is equipped with spout 10 towards moving one side of pole 8, is equipped with slide bar 11 in the spout 10, is equipped with connecting rod 12 between slide bar 11 and the pole 8, and the both ends of connecting rod 12 are articulated with slide bar 11 and pole 8 respectively, and slide bar 11 passes through rack 13 and connects gear 7.
The rotary shearing pipe 3 consists of a front pipe 31 and a rear pipe 32 which are connected through threads, the front pipe 31 is fixed with the rotary shearing fixed blade 4, and the rear pipe 32 is connected with the pipe seat 2 through threads; the rotary shearing rod 5 is composed of a front rod 51 and a rear rod 52 which are connected in a threaded mode, the front rod 51 is located in the front pipe 31 and fixed with the rotary shearing blade 6, the rear rod 52 is located in the rear pipe 32, one end of the rear rod extends outwards to extend through the pipe seat 2, and the gear 7 is arranged on the rear rod 52. The rotary shearing pipe 3 and the rotary shearing rod 5 are equally divided into two sections, so that the tool bit can be conveniently replaced, and when the rotary shearing moving blade 6 and the rotary shearing fixed blade 4 are seriously abraded, the tool bit can be conveniently replaced.
The spring 14 is arranged in the tube seat 2, one end of the spring 14 is connected with the tube seat 2, and the other end of the spring 14 is connected with the rear rod 52.
The tube seat 2 comprises a rear seat 21 fixed with the fixed rod 1, the rear seat 21 is connected with a rear tube 32 through a front seat 22, one end of the front seat 22 is embedded into the rear seat 21, the rear seat 21 is connected with the front seat 22 through a fastening piece 29, the fastening piece 29 is a set screw or a pan head screw, the fastening piece 29 penetrates through the side wall of the rear seat 21 and then is connected with the front seat 22, a threaded hole is formed in the end face, facing the rear seat 21, of the front seat 22, a screw cap 15 is arranged in the threaded hole, and threads matched with the threaded hole are formed in the outer peripheral surface of the screw cap 15; the rear rod 52 is provided with an annular groove 16, two bottom surfaces of the annular groove 16 are respectively positioned at two sides of the screw cap 15, the annular groove 16 is provided with a gasket 17 positioned in the front seat 22, and the spring 14 is positioned between the gasket 17 and the screw cap 15.
An included angle of 120 degrees is formed between the fixed rod 1 and the rotary shearing rod 5.
The rack 13 is located on the outer side of the fixed rod 1, a cover plate 27 is arranged at the upper end of the rack 13, a notch for accommodating the cover plate 27 is formed in the tube seat 2, and the cover plate 27 is fixed with the tube seat 2 through a screw 28.
The rack 13 is connected to the slide bar 11 by a screw 25.
And the rotary shearing movable blade 6 is provided with a shearing surface in line contact connection with the rotary shearing fixed blade 4.
The shearing surface comprises an arc surface 26 with one end in contact with the rotary shearing blade 4, and the side edge of the arc surface 26 is in line contact with the rotary shearing blade 4. A certain gap is formed between the surface of the shearing surface except the arc surface 26 and the rotary shearing blade 4.
The rotary shearing fixed blade 4 and the rotary shearing movable blade 6 are both vertical to the rotary shearing rod 5.
The working principle is as follows: the forefinger and the thumb respectively pass through the two finger rings 9, the forefinger is drawn close to the thumb, one of the finger rings 9 drives the moving rod 8 to rotate, the moving rod 8 drives the sliding rod 11 to move downwards along the sliding groove 10 through the connecting rod 12, the sliding rod 11 drives the rack 13 to move downwards, the rack 13 drives the gear 7 to rotate, the gear drives the rotary shearing rod 5 to rotate, and the rotary shearing rod 5 drives the rotary shearing moving blade 6 to rotate towards one side of the rotary shearing fixed blade 4 to shear the turbinate bone.
The spring 14 has a pretightening force, the pretightening force can be adjusted by rotating the screw cap 15, and the pretightening force of the spring is transmitted to the rotary shearing blade 6 sequentially through the gasket 17 and the rotary shearing rod 5, so that the rotary shearing blade 6 is kept in close fit with the rotary shearing fixed blade 4, and when the turbinate scissors are sheared, the rotary shearing blade 6 and the rotary shearing fixed blade 4 are not easy to open, and formed cuts are tidy.
The utility model has the advantages of high operation efficiency, simple operation and long service life.
Claims (10)
1. Transmission formula's turbinate shear in many connecting rods, its characterized in that: the pipe seat shearing device comprises a fixed rod (1), a pipe seat (2) is arranged at the upper end of the fixed rod (1), a rotary shearing pipe (3) is arranged at the end part of the pipe seat (2), a rotary shearing fixed blade (4) is arranged at the end part of the rotary shearing pipe (3), a pipe seat rotary shearing rod (5) is arranged in the rotary shearing pipe (3), one end of the rotary shearing rod (5) extends to the rotary shearing fixed blade (4), the other end of the rotary shearing rod (5) extends through the pipe seat (2), a rotary shearing movable blade (6) is arranged at the end part, close to the rotary shearing fixed blade (4), of the rotary shearing rod (5), and a gear (7) located in the pipe seat (2) is; decide one side of pole (1) and be equipped with and move pole (8), the upper end of deciding pole (1) is articulated with the upper end of moving pole (8), the tip of deciding pole (1) and moving pole (8) all is equipped with finger ring (9), decide pole (1) and be equipped with spout (10) towards the one side of moving pole (8), be equipped with slide bar (11) in spout (10), be equipped with between slide bar (11) and the pole (8) connecting rod (12), the both ends of connecting rod (12) are articulated with slide bar (11) and moving pole (8) respectively, slide bar (11) are through rack (13) connecting gear (7).
2. The multi-link internal drive turbinate shear of claim 1, wherein: the rotary shearing pipe (3) consists of a front pipe (31) and a rear pipe (32) which are connected through threads, the front pipe (31) is fixed with the rotary shearing blade (4), and the rear pipe (32) is connected with the pipe seat (2) through threads; revolve shear bar (5) and constitute by threaded connection's preceding pole (51) and back pole (52), preceding pole (51) are located in front tube (31) and with revolve shear blade (6) fixed, back pole (52) are located back tube (32) and one end outwards extends tube socket (2), gear (7) set up on back pole (52).
3. The multi-link internal drive turbinate shear of claim 2, wherein: a spring (14) is arranged in the tube seat (2), one end of the spring (14) is connected with the tube seat (2), and the other end of the spring (14) is connected with the rear rod (52).
4. The multi-link internal drive turbinate shear of claim 3, wherein: the pipe seat (2) comprises a rear seat (21) fixed with the fixed rod (1), the rear seat (21) is connected with a rear pipe (32) through a front seat (22), a threaded hole is formed in the end face, facing the rear seat (21), of the front seat (22), and a threaded cover (15) is arranged in the threaded hole; the rear rod (52) is provided with an annular groove (16), two bottom surfaces of the annular groove (16) are respectively positioned at two sides of the screw cap (15), the annular groove (16) is provided with a gasket (17) positioned in the front seat (22), and the spring (14) is positioned between the gasket (17) and the screw cap (15).
5. The multi-link internal drive turbinate shear of claim 1, wherein: an included angle of 110-130 degrees is formed between the fixed rod (1) and the rotary shearing rod (5).
6. The multi-link internal drive turbinate shear of claim 1, wherein: the rack (13) is located on the outer side of the fixed rod (1), a cover plate (27) is arranged at the upper end of the rack (13), a notch for accommodating the cover plate (27) is formed in the tube seat (2), and the cover plate (27) is fixed with the tube seat (2) through a screw (28).
7. The multi-link internal drive turbinate shear of claim 1, wherein: the rack (13) is connected with the sliding rod (11) through a screw (25).
8. The multi-link internal drive turbinate shear of claim 1, wherein: and a shearing surface in line contact connection with the rotary shearing fixed blade (4) is arranged on the rotary shearing movable blade (6).
9. The multi-link internal drive turbinate shear of claim 8, wherein: the shearing surface comprises an arc surface (26) with one end in contact with the rotary shearing blade (4), and the side edge of the arc surface (26) is in line contact with the rotary shearing blade (4).
10. The multi-link internal drive turbinate shear of claim 1, wherein: the rotary shearing fixed blade (4) and the rotary shearing movable blade (6) are both vertical to the rotary shearing rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457283.0U CN209863972U (en) | 2019-04-04 | 2019-04-04 | Multi-link internal transmission type turbinate bone scissors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457283.0U CN209863972U (en) | 2019-04-04 | 2019-04-04 | Multi-link internal transmission type turbinate bone scissors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209863972U true CN209863972U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920457283.0U Active CN209863972U (en) | 2019-04-04 | 2019-04-04 | Multi-link internal transmission type turbinate bone scissors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209863972U (en) |
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2019
- 2019-04-04 CN CN201920457283.0U patent/CN209863972U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 311500 No.98 langyuan Road, Tonglu Economic Development Zone, Tonglu County, Hangzhou City, Zhejiang Province Patentee after: Tonglushco Medical Equipment Co.,Ltd. Address before: 311500 Building 2, Chengnan Road, Tonglu County, Hangzhou, Zhejiang, 2 Patentee before: TONGLU SIKE MEDICAL INSTRUMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311500 No. 98 langyuan Road, Tonglu Economic Development Zone, Tonglu County, Hangzhou City, Zhejiang Province Patentee after: TONGLU SIKE MEDICAL INSTRUMENT Co.,Ltd. Address before: 311500 No. 98 langyuan Road, Tonglu Economic Development Zone, Tonglu County, Hangzhou City, Zhejiang Province Patentee before: Tonglushco Medical Equipment Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 301, Room 101, Building 26, No. 516 Majia Road, Fengchuan Street, Tonglu County, Hangzhou City, Zhejiang Province, 311500 Patentee after: TONGLU SIKE MEDICAL INSTRUMENT Co.,Ltd. Address before: 311500 No. 98 langyuan Road, Tonglu Economic Development Zone, Tonglu County, Hangzhou City, Zhejiang Province Patentee before: TONGLU SIKE MEDICAL INSTRUMENT Co.,Ltd. |