CN117694951A - Auxiliary retractor device for plastic surgery endoscope - Google Patents
Auxiliary retractor device for plastic surgery endoscope Download PDFInfo
- Publication number
- CN117694951A CN117694951A CN202410165223.7A CN202410165223A CN117694951A CN 117694951 A CN117694951 A CN 117694951A CN 202410165223 A CN202410165223 A CN 202410165223A CN 117694951 A CN117694951 A CN 117694951A
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- liquid injection
- injection pipe
- operating rod
- vertical groove
- rotating shaft
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- 238000002316 cosmetic surgery Methods 0.000 title claims description 13
- 239000007924 injection Substances 0.000 claims abstract description 76
- 238000002347 injection Methods 0.000 claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 76
- 230000000399 orthopedic effect Effects 0.000 claims abstract description 4
- 239000002504 physiological saline solution Substances 0.000 claims abstract description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 8
- 239000000243 solution Substances 0.000 description 7
- 239000000945 filler Substances 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000000592 Nasal Polyps Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 208000016366 nasal cavity polyp Diseases 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an auxiliary retractor device for an orthopedic endoscope, which comprises a hollow operating rod, wherein a handle is arranged at the far end of the operating rod, a retractor is hinged at the near end of the operating rod, a baffle is arranged in the operating rod to divide the interior of the operating rod into four inner cavities, the two opposite inner cavities are internally inserted with the same liquid injection pipe, the liquid injection pipe is folded into a U shape, and the ends of the liquid injection pipe are respectively inserted into the corresponding inner cavities from the near end of the operating rod and extend out from the far end; the device comprises a shell, a pressing device is arranged in the shell, a retraction device is arranged on the right side of the shell, each liquid injection pipe corresponds to one retraction device, and the ends of the two liquid injection pipes penetrate through the corresponding retraction devices and are connected with the pressing device; the pressurizing device injects physiological saline into the liquid injection pipe and maintains the pressure of 0.2 to 0.3 megapascals; the front side of the shell is provided with a knob for controlling the retraction device, the tightening and loosening of the liquid injection pipe are realized by screwing the knob through the retraction device, and the drawing hook is driven to rotate by the liquid injection pipe.
Description
Technical Field
The invention belongs to the field of surgical instruments, and particularly relates to an auxiliary retractor device for an orthopedic endoscope.
Background
In plastic surgery, such as nasal polyp excision operation, plastic surgery generally can go deep into the intracavity with scope and action bars and operate, and the rethread assists the drag hook to form the cavity, adopts the direct control drag hook of staff to control the size of establishing the chamber now, can rock and tired the influence operation because of the staff easily. The plastic needs to consider not only the best operation effect and the best operation mode, but also the minimum extra injury, so as to avoid affecting the image. The existing hand-held drag hook needs to repeatedly move back and forth when the drag hook is retracted, and the tissue is avoided to prevent the normal tissue from being damaged by the barb, and friction damage is easily caused by back and forth pulling. Because skin is easy to deform, multidirectional three-dimensional pulling is needed, the existing equipment cannot realize directional control of the pulling range, so that sometimes the cavity construction position is not ideal, and the operation of the endoscopic surgery is affected. The existing cavity-building mode with the balloon bulge is adopted, and the balloon is easy to compress, so that the formed cavity is unstable in size and easy to block the visual field of the endoscope due to easy deformation.
Disclosure of Invention
The invention aims at: in order to solve the problem of non-ideal cavity establishment of the existing auxiliary drag hook, the auxiliary drag hook device for the plastic surgery endoscope is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
The auxiliary retractor device for the plastic surgery endoscope comprises a hollow operating rod, wherein a handle is arranged at the far end of the operating rod, four retractors which are uniformly distributed on the circumference are hinged at the near end of the operating rod, the retractor is completely arranged in the operating rod in an inward rotating mode, and the retractor rotates outwards to extend the hook part on the retractor out of the operating rod; a baffle with a cross-shaped section is arranged in the operating rod along the length direction of the operating rod, the interior of the operating rod is divided into four inner cavities, and each inner cavity corresponds to one drag hook; the two opposite inner cavities are inserted with the same liquid injection pipe, the liquid injection pipe is folded into a U shape, and the ends of the liquid injection pipe are respectively inserted into the corresponding inner cavities from the proximal end of the operating rod and extend out from the distal end; the device also comprises a shell, wherein the left side in the shell is provided with a pressurizing device, the right side is provided with an upper collecting device and a lower collecting device, each liquid injection pipe corresponds to one collecting device, and the ends of the two liquid injection pipes pass through the corresponding collecting devices and are connected with the pressurizing device; the pressurizing device injects physiological saline into the liquid injection pipe and maintains the pressure of 0.2 to 0.3 megapascals; the front side of the shell is provided with a knob for controlling the retraction device, and the tightening and loosening of the liquid injection pipe are realized by screwing the knob through the retraction device, and the draw hook is driven to rotate by the liquid injection pipe.
As a further description of the above technical solutions.
The remote end of the operating rod is provided with a bracket, the bracket is provided with a clamp, and the handle is arranged in the clamp to clamp, so that the fixing of the operating rod is realized.
As a further description of the above technical solutions.
The proximal end of the operating rod is provided with four abdicating grooves uniformly distributed on the circumference, and the drag hook is hinged in the abdicating grooves.
As a further description of the above technical solutions.
One end of the drag hook, which is close to the axis of the operating rod, is fixed with a sleeve, and the liquid injection pipe is arranged in the sleeve.
As a further description of the above technical solutions.
The pressurizing device comprises a pressurizing pump, a normal saline storage box is arranged on the outer side of the shell, the pressurizing pump is arranged in the normal saline storage box, the inlet of the liquid injection pipe is connected to the pressurizing pump, and the outlet of the liquid injection pipe is provided with a switch.
As a further description of the above technical solutions.
The retractable device comprises a first rotating shaft, a transverse groove is formed in each retractable device in the shell, a first vertical groove and a second vertical groove which are communicated with the transverse grooves in a crisscross manner are formed in the shell, the first vertical grooves and the second vertical grooves are parallel and are spaced, a first rotating shaft is inserted in the middle of each spacing part and can move back and forth, a first complete gear is fixed on the first rotating shaft, a first incomplete gear is fixed on the front end face of the first complete gear, the length of a toothed part of the first incomplete gear is one fourth of the circumferential length of the first incomplete gear, and front-back projections of the first incomplete gear and the first complete gear coincide; a second coaxial incomplete gear is arranged on the right side of the first incomplete gear in the clockwise direction, the length of the toothed part of the second incomplete gear is one fourth of the circumferential length of the toothed part of the second incomplete gear, and the outer edge of the second incomplete gear is smaller than the first incomplete gear; the right lower part of the first rotating shaft is provided with a second rotating shaft inserted on the shell, a second complete gear is fixed on the second rotating shaft, and the second incomplete gear is meshed with the second complete gear in a clockwise rotation manner; a sliding groove is formed in the upper side of the first vertical groove, a sliding block is arranged in the sliding groove, the upper end of the sliding block is in a semicircular arc shape, a rack is arranged on the right side of the lower end of the sliding block, the first rotating shaft moves forwards to enable the rack in the first vertical groove to be meshed with a first complete gear, and the first rotating shaft moves backwards to enable the rack in the first vertical groove to be meshed with a first incomplete gear; a spring is arranged between the sliding block and the lower inner side surface of the first vertical groove; the second vertical groove is internally provided with the same sliding groove, the sliding block, the rack and the spring, and the positions of the second vertical groove and the device in the first vertical groove are in central symmetry about the axis of the first rotating shaft; the first rotating shaft moves forwards to enable the rack in the second vertical groove to be meshed with the first complete gear, and the first rotating shaft moves backwards to enable the rack in the second vertical groove to be meshed with the second complete gear; one end of the liquid injection pipe, which is arranged above, is inserted into the shell, and after bypassing the cambered surface at the upper end of the sliding block in the first vertical groove, the liquid injection pipe extends leftwards and stretches out of the shell; one end of the liquid injection pipe arranged below is inserted into the shell, and after bypassing the cambered surface of the lower end of the sliding block in the second vertical groove, the liquid injection pipe extends leftwards and stretches out of the shell.
As a further description of the above technical solutions.
The front end of the first rotating shaft extends out of the shell, and a knob is fixed at the front end of the first rotating shaft.
In summary, the technical scheme has the beneficial effects that.
(1) Compared with the mode of building a cavity by adopting an air bag, the invention has the advantages that the normal saline is introduced into the liquid injection pipe, the liquid injection pipe is not easy to deform after being pressurized, is not easy to compress and is not easy to deform; and two liquid injection pipes form a crisscross at the proximal end of the operating rod, and a cavity is formed by supporting the tissue to build a cavity, so that the space is large, the equipment is small in size and the visual field is sufficient.
(2) According to the invention, by combining different operation modes of the upper knob and the lower knob, the directional cavity establishment in different directions is realized, and the directional control pulling range is realized.
(3) The retractor rotates to enter and exit the tissue, so that barbs are not pulled, repeated movement is not needed when the retractor is retracted, and damage to the tissue is reduced.
(4) The size of the cavity is controlled by the operation knob, so that the hand-held electric retractor is high in controllability, and is not easy to shake and is not easy to cause hand fatigue compared with a mode of directly controlling the retractor by hands.
(5) The invention has good hand feeling and strong controllability through knob operation and linear operation.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
Fig. 3 is a front cross-sectional view of a portion of the housing 6.
Fig. 4 is a perspective view of the folding and unfolding apparatus with the rotating shaft at the front side position.
Fig. 5 is a perspective view of the folding and unfolding apparatus with the rotating shaft at the rear position.
Fig. 6 is a perspective view of the proximal filler tube 5 of the operating rod 1 without being opened.
Fig. 7 is a front sectional view showing the proximal end of the operation rod 1 with the filler tube 5 opened.
Fig. 8 is a perspective view showing the proximal end of the operation rod 1 with the filler tube 5 open.
Fig. 9 is a front cross-sectional view of the proximal filler tube 5 of the lever 1 without being opened.
Fig. 10 is a perspective view of the proximal filler tube 5 of the operating lever 1 opened to one side.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-10, the present invention provides a technical solution for an auxiliary retractor device for an orthopedic endoscope.
The auxiliary retractor device for the plastic surgery endoscope comprises a hollow operating rod 1, wherein a handle 2 is arranged at the far end of the operating rod 1, four retractors 3 uniformly distributed on the circumference are hinged at the near end of the operating rod 1, the retractors 3 are completely arranged in the operating rod 1 in an inward rotating way, and the retractors 3 are outwards rotated to extend the hook parts on the retractors out of the operating rod 1; a baffle 4 with a cross-shaped section is arranged in the operating rod 1 along the length direction of the operating rod, the interior of the operating rod 1 is divided into four inner cavities, and each inner cavity corresponds to one drag hook 3; the same liquid injection pipe 5 is inserted into the two opposite inner cavities, the liquid injection pipe 5 is folded into a U shape, and the ends of the liquid injection pipe 5 are respectively inserted into the corresponding inner cavities from the proximal end of the operating rod 1 and extend out from the distal end; the device also comprises a shell 6, wherein a pressurizing device is arranged on the left side in the shell 6, an upper collecting device and a lower collecting device are arranged on the right side, each liquid injection pipe 5 corresponds to one collecting device, and the ends of the two liquid injection pipes 5 penetrate through the corresponding collecting devices and are connected with the pressurizing device; the pressurizing device injects physiological saline into the liquid injection tube 5 and maintains a pressure of 0.2 to 0.3 mpa; the front side of the shell 6 is provided with a knob 7 for controlling the retraction device, and the rotation knob is screwed to tighten and loosen the liquid injection pipe 5 through the retraction device and drive the drag hook 3 to rotate through the liquid injection pipe 5.
The remote end of the operating rod 1 is provided with a bracket 8, the bracket 8 is provided with a clip 9, and the handle 2 is arranged in the clip 9 for clamping, so that the fixing of the operating rod 1 is realized.
The proximal end of the operating rod 1 is provided with four abdicating grooves 10 uniformly distributed on the circumference, and the draw hook 3 is hinged in the abdicating grooves 10.
One end of the draw hook 3, which is close to the axis of the operating rod 1, is fixed with a sleeve 11, and the liquid injection pipe 5 is arranged in the sleeve 11.
The pressurizing device comprises a pressurizing pump 12, a normal saline storage box is arranged on the outer side of the shell 6, the pressurizing pump 12 is arranged in the normal saline storage box, an inlet of the liquid injection pipe 5 is connected to the pressurizing pump 12, and a switch 13 is arranged at an outlet of the liquid injection pipe 5.
The retraction device comprises a first rotating shaft 14, a transverse groove 15 is formed in each retraction device corresponding position in a shell 6, a first vertical groove 16 and a second vertical groove 17 which are communicated with the transverse grooves 15 in a crisscross manner are formed in the shell 6, the first vertical groove 16 and the second vertical groove 17 are parallel and are spaced, a first rotating shaft 14 is inserted in the middle of the interval, the first rotating shaft 14 can move forwards and backwards, a first complete gear 18 is fixed on the first rotating shaft 14, a first incomplete gear 19 is fixed on the front end surface of the first complete gear 18, the length of a toothed part of the first incomplete gear 19 is one fourth of the circumferential length of the first incomplete gear 19, and the front projection and the rear projection of the first incomplete gear 19 and the first complete gear 18 coincide; a second coaxial incomplete gear 20 is arranged on the right side of the first incomplete gear 19 in the clockwise direction, the length of the toothed part of the second incomplete gear 20 is one fourth of the circumferential length of the toothed part, and the outer edge of the second incomplete gear 20 is smaller than the first incomplete gear 19; a second rotating shaft 21 inserted on the shell 6 is arranged at the right lower part of the first rotating shaft 14, a second complete gear 22 is fixed on the second rotating shaft 21, and the second incomplete gear 20 is meshed with the second complete gear 22 in a clockwise rotation mode; a sliding groove 23 is formed in the upper side in the first vertical groove 16, a sliding block 24 is arranged in the sliding groove 23, the upper end of the sliding block 24 is semicircular, a rack 25 is arranged on the right side of the lower end of the sliding block 24, the first rotating shaft 14 moves forwards to enable the rack 25 in the first vertical groove 16 to be meshed with the first complete gear 18, and the first rotating shaft 14 moves backwards to enable the rack 25 in the first vertical groove 16 to be meshed with the first incomplete gear 19; a spring 26 is arranged between the sliding block 24 and the lower inner side surface of the first vertical groove 16; the second vertical groove 17 is internally provided with the same sliding groove 23, a sliding block 24, a rack 25 and a spring 26, and the positions of the second vertical groove and the device in the first vertical groove 16 are in central symmetry about the axle center of the first rotating shaft 14; the first rotating shaft 14 moves forwards to enable the rack 25 in the second vertical groove 17 to be meshed with the first complete gear 18, and the first rotating shaft 14 moves backwards to enable the rack 25 in the second vertical groove 17 to be meshed with the second complete gear 22; one end of the liquid injection pipe 5, which is arranged above, is inserted into the shell 6, and after bypassing the cambered surface of the upper end of the sliding block 24 in the first vertical groove 16, the liquid injection pipe extends leftwards and extends out of the shell 6; one end of the liquid injection pipe 5 arranged below is inserted into the shell 6, and after bypassing the cambered surface of the lower end of the sliding block 24 in the second vertical groove 17, the liquid injection pipe extends leftwards and extends out of the shell 6.
The front end of the first rotating shaft 14 extends out of the shell 6, and a knob 7 is fixed at the front end of the first rotating shaft 14.
The working principle is as follows.
In use, the proximal end of the operating rod 1 is inserted into a position where a cavity needs to be built as shown in fig. 1, then the handle 2 is placed in the clamp 9 to clamp the operating rod 1 as shown in fig. 2, and the liquid injection tube 5 is straightened. The slide block 24 is pressed under the action of the spring 26, the liquid injection pipe 5 is pressed in the first vertical groove 16 and the second vertical groove 17, the proximal end of the operating rod 1 is in a state shown in fig. 6 and 7, the liquid injection pipe 5 is tensioned and placed in the operating rod 1, and the draw hook 3 is completely placed in the operating rod 1 through limiting the sleeve 11. When the cavity is built, the upper knob 7 and the lower knob 7 are pulled forward to drive the first rotating shaft 14 to move forward, as shown in fig. 4, the first rotating shaft 14 moves forward to enable the rack 25 in the first vertical groove 16 to be meshed with the first complete gear 18, the rack 25 in the second vertical groove 17 is meshed with the first complete gear 18, the rack 25 in the first vertical groove 16 is driven to move downward by rotating the knob 7 anticlockwise through the first complete gear 18, the rack 25 in the second vertical groove 17 is driven to move upward, since the saline in the liquid injection pipe 5 is pressurized, the liquid injection pipe 5 has a tendency of straightening, when the rack 25 moves, the liquid injection pipe 5 at a bending position moves into the transverse groove 15 along with the movement of the rack 25, the length of the liquid injection pipe 5 at the bending position becomes short, the liquid injection pipe 5 stretches out from the proximal end of the operating rod 1 gradually, the liquid injection pipe 5 stretching out of the proximal end of the operating rod 1 forms an arc under the effect of the salt water inflation pressure in the first vertical groove 16, as shown in fig. 8 and fig. 9, the liquid injection pipe 5 drives the cross 3 to move to the cross 3 to form a cross-shaped cavity, and then the cavity is extruded by the two cavities can be gradually pushed to move along with the movement of the rack 25, and the cavity can be pushed to the cavity is further increased along with the movement of the cross 3, and the cavity is required to move along with the movement of the cavity. When the operation rod 1 needs to be withdrawn, the knob 7 is slowly released, the spring 26 extrudes the sliding block 24 to reset, and the liquid injection pipe 5 is extruded to reset, so that the length of the liquid injection pipe 5 at the bending position is increased, the liquid injection pipe 5 at the proximal end of the operation rod 1 is pulled to be retracted into the operation rod 1, and the drag hook 3 is driven to rotate to be retracted into the operation rod 1.
When a cavity is required to be built in a directional way, as the two liquid injection pipes 5 at the proximal end of the operating rod 1 form a crisscross, a state that one liquid injection pipe 5 wraps the other liquid injection pipe 5 is formed; rotating the operating rod 1 to align one side of the wrapped liquid injection pipe 5 with the position needing to build a cavity, moving the knob 7 corresponding to the wrapped liquid injection pipe 5 backwards to enable the rack 25 in the first vertical groove 16 to be meshed with the first incomplete gear 19 and enable the rack 25 in the second vertical groove 17 to be meshed with the second complete gear 22, and if the knob 7 is rotated anticlockwise, driving the rack 25 in the first vertical groove 16 to move downwards through the first incomplete gear 19, separating the second incomplete gear 20 from the second complete gear 22 on the other side, and enabling only the liquid injection pipe 5 corresponding to the rack 25 in the first vertical groove 16 to extend; at this time, if the knob 7 is rotated clockwise, the second incomplete gear 20 drives the second complete gear 22, and then drives the rack 25 in the second vertical groove 17 to move upwards, the rack 25 in the first vertical groove 16 on the other side is separated from the first incomplete gear 19, and only the liquid injection tube 5 corresponding to the rack 25 in the second vertical groove 17 extends. According to the principle, the upper knob 7 and the lower knob 7 are matched in different operation modes, so that the directional cavity establishment in different directions is realized, as shown in fig. 10.
It is to be noted that the introduction of water under pressure into the hose tends to straighten the bent hose as is well known, and that the filling tube 5 according to the invention applies this principle.
It should be noted that, when the first shaft 14 moves back and forth, in order to prevent the teeth from being blocked and not being engaged normally, the knob 7 may be rotated in the opposite direction during operation, and the back and forth movement may be attempted until the teeth are not blocked, so that the gears are engaged smoothly.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should appreciate that the technical scheme and the inventive concept according to the present invention are equivalent or changed within the scope of the present invention.
Claims (7)
1. The auxiliary retractor device for the plastic surgery endoscope is characterized by comprising a hollow operating rod (1), wherein a handle (2) is arranged at the far end of the operating rod (1), four retractors (3) uniformly distributed on the circumference are hinged at the near end of the operating rod (1), the retractors (3) are completely arranged in the operating rod (1) in an inward rotating mode, and hooks on the retractors (3) extend out of the operating rod (1) in an outward rotating mode; a baffle (4) with a cross-shaped section is arranged in the operating rod (1) along the length direction of the operating rod, the interior of the operating rod (1) is divided into four inner cavities, and each inner cavity corresponds to one drag hook (3); the two opposite inner cavities are inserted with the same liquid injection pipe (5), the liquid injection pipe (5) is folded into a U shape, and the ends of the liquid injection pipe are respectively inserted into the corresponding inner cavities from the proximal end of the operating rod (1) and extend out from the distal end; the device also comprises a shell (6), wherein a pressurizing device is arranged on the left side in the shell (6), an upper collecting device and a lower collecting device are arranged on the right side, each liquid injection pipe (5) corresponds to one collecting device, and the ends of the two liquid injection pipes (5) penetrate through the corresponding collecting devices and are connected with the pressurizing device; the pressurizing device injects physiological saline into the liquid injection pipe (5) and maintains the pressure of 0.2 to 0.3 megapascals; the front side of the shell (6) is provided with a knob (7) for controlling the retraction device, and the rotation knob is screwed to tighten and loosen the liquid injection pipe (5) through the retraction device, and the drag hook (3) is driven to rotate through the liquid injection pipe (5).
2. The auxiliary retractor device for the plastic surgery endoscope according to claim 1, wherein a bracket (8) is arranged at the far end of the operating rod (1), a clip (9) is arranged on the bracket (8), and the handle (2) is arranged in the clip (9) to clamp, so that the fixing of the operating rod (1) is realized.
3. The auxiliary retractor device for the plastic surgery endoscope according to claim 1, wherein four abdication grooves (10) which are uniformly distributed on the circumference are formed at the proximal end of the operation rod (1), and the retractor (3) is hinged in the abdication grooves (10).
4. The auxiliary retractor device for the plastic surgery endoscope according to claim 1, wherein a sleeve (11) is fixed at one end of the retractor (3) close to the axis of the operating rod (1), and the liquid injection tube (5) is arranged in the sleeve (11).
5. The auxiliary retractor device for the plastic surgery endoscope according to claim 1, wherein the pressurizing device comprises a pressurizing pump (12), a normal saline storage box is arranged on the outer side of the shell (6), the pressurizing pump (12) is arranged in the normal saline storage box, an inlet of the liquid injection pipe (5) is connected to the pressurizing pump (12), and a switch (13) is arranged at an outlet of the liquid injection pipe (5).
6. The auxiliary retractor device for the plastic surgery endoscope according to claim 1, wherein the retractor device comprises a first rotating shaft (14), a transverse groove (15) is formed in a corresponding position of each retractor device in the shell (6), a first vertical groove (16) and a second vertical groove (17) which are communicated with the transverse groove (15) in a crossed manner are formed in the shell (6), the first vertical groove (16) and the second vertical groove (17) are parallel and are spaced, a first rotating shaft (14) is inserted in the middle of the space between the first vertical groove (16) and the second vertical groove (17), the first rotating shaft (14) can move forwards and backwards, a first complete gear (18) is fixed on the first rotating shaft (14), a first incomplete gear (19) is fixed on the front end face of the first complete gear (18), the length of a toothed part of the first incomplete gear (19) is one fourth of the circumferential length of the toothed part of the first incomplete gear (19), and the front and rear projections of the first incomplete gear (19) are coincident; a second coaxial incomplete gear (20) is arranged on the right side of the first incomplete gear (19) in the clockwise direction, the length of a toothed part of the second incomplete gear (20) is one fourth of the circumferential length of the toothed part, and the outer edge of the second incomplete gear (20) is smaller than the first incomplete gear (19); a second rotating shaft (21) inserted on the shell (6) is arranged at the right lower part of the first rotating shaft (14), a second complete gear (22) is fixed on the second rotating shaft (21), and the second incomplete gear (20) rotates clockwise to be meshed with the second complete gear (22); a sliding groove (23) is formed in the upper side of the first vertical groove (16), a sliding block (24) is arranged in the sliding groove (23), the upper end of the sliding block (24) is semicircular, a rack (25) is arranged on the right side of the lower end of the sliding block (24), the first rotating shaft (14) moves forwards to enable the rack (25) in the first vertical groove (16) to be meshed with the first complete gear (18), and the first rotating shaft (14) moves backwards to enable the rack (25) in the first vertical groove (16) to be meshed with the first incomplete gear (19); a spring (26) is arranged between the sliding block (24) and the lower inner side surface of the first vertical groove (16); the second vertical groove (17) is internally provided with the same sliding groove (23), a sliding block (24), a rack (25) and a spring (26), and the positions of the sliding groove and the device in the first vertical groove (16) are in central symmetry about the axis of the first rotating shaft (14); the first rotating shaft (14) moves forwards to enable the rack (25) in the second vertical groove (17) to be meshed with the first complete gear (18), and the first rotating shaft (14) moves backwards to enable the rack (25) in the second vertical groove (17) to be meshed with the second complete gear (22); one end of the liquid injection pipe (5) arranged above is inserted into the shell (6), and after bypassing the cambered surface of the upper end of the sliding block (24) in the first vertical groove (16), the liquid injection pipe extends leftwards and extends out of the shell (6); one end of the liquid injection pipe (5) arranged below is inserted into the shell (6), and after bypassing the cambered surface of the lower end of the sliding block (24) in the second vertical groove (17), the liquid injection pipe extends leftwards and stretches out of the shell (6).
7. An auxiliary retractor device for an orthopedic endoscope according to claim 6, wherein the front end of the first rotating shaft (14) extends out of the housing (6), and a knob (7) is fixed to the front end of the first rotating shaft (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410165223.7A CN117694951B (en) | 2024-02-05 | 2024-02-05 | Auxiliary retractor device for plastic surgery endoscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410165223.7A CN117694951B (en) | 2024-02-05 | 2024-02-05 | Auxiliary retractor device for plastic surgery endoscope |
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| CN117694951A true CN117694951A (en) | 2024-03-15 |
| CN117694951B CN117694951B (en) | 2024-04-12 |
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| CN202410165223.7A Active CN117694951B (en) | 2024-02-05 | 2024-02-05 | Auxiliary retractor device for plastic surgery endoscope |
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| AU2001277588A1 (en) * | 2000-07-13 | 2002-01-30 | Cpi | Devices for dispensing powder products, such as medicines |
| WO2006002365A2 (en) * | 2004-06-24 | 2006-01-05 | Angiotech International Ag | Microparticles with high loadings of a bioactive agent |
| WO2019091286A1 (en) * | 2017-11-08 | 2019-05-16 | 南京畅丰生物科技有限公司 | Intrabuccal temporomandibular joint retractor |
| CN110180826A (en) * | 2019-07-04 | 2019-08-30 | 天津市亨必达化学合成物有限公司 | A kind of processing of crude drugs system |
| CN110302988A (en) * | 2019-07-04 | 2019-10-08 | 天津市亨必达化学合成物有限公司 | A kind of medicinal material cleaning device |
| CN110292407A (en) * | 2019-07-26 | 2019-10-01 | 吴军 | A kind of retractor for general surgery operation device |
| CN211511892U (en) * | 2019-07-26 | 2020-09-18 | 吴军 | Drag hook device for general surgery department operation |
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| CN117694951B (en) | 2024-04-12 |
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