CN114027930B - Oral cavity maxillofacial surgery tumour resection device - Google Patents
Oral cavity maxillofacial surgery tumour resection device Download PDFInfo
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- CN114027930B CN114027930B CN202111187650.8A CN202111187650A CN114027930B CN 114027930 B CN114027930 B CN 114027930B CN 202111187650 A CN202111187650 A CN 202111187650A CN 114027930 B CN114027930 B CN 114027930B
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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
- A61B17/28—Surgical forceps
- A61B17/285—Surgical forceps combined with cutting implements
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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
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
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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
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2833—Locking means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
Abstract
The invention discloses an oral and maxillofacial surgery tumor resection device, which belongs to the technical field of medical instruments and comprises a first handle and a second handle, wherein one end of the first handle and one end of the second handle are respectively and fixedly provided with a first chuck and a second chuck, a knife storage box is respectively arranged inside the first chuck and the second chuck, a box cover is arranged outside the knife storage box, a cutting knife is arranged inside the knife storage box through a connecting rope, and movable grooves are formed in the side walls of the first chuck and the second chuck; according to the invention, the clamping and cutting assembly capable of automatically clamping is arranged on the device, so that the device is directly rotated during cutting to complete effective circular cutting on the tumor, an included angle between the first chuck and the second chuck is gradually reduced according to the cutting amount, the design is reasonable and ingenious, automatic clamping and cutting treatment on the tumor tissue are realized, the stability of cutting the tumor tissue is effectively ensured, the operation difficulty of the device is reduced, the operation difficulty is reduced, and the operation effect is improved.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to an oral and maxillofacial surgery tumor resection device.
Background
Medical instruments are devices or structures used in medical procedures, including instruments, devices, appliances, in-vitro diagnostic reagents and calibrators, materials and other similar or related articles and the like which are directly or indirectly used for human bodies, and are mainly used for diagnosis, prevention, monitoring, treatment or relief of diseases.
What some tumour resection device now set up is the scalpel, directly excise to the tumour in the art, in order to carry out earlier clamp to tumour tissue and get fixedly, need cooperate and use the operation outer clamp, carry out outer clamp to tumour tissue, excise again, the troublesome poeration, and the structure is complicated loaded down with trivial details, simultaneously in the art, when need carry out the liquid medicine and add, need additionally operate to the medicine structure of outside, increased the inconvenient nature of operation in-process, need carry out certain improvement.
Disclosure of Invention
The invention aims to: what set up in order to solve some tumour resection device now is the scalpel, directly excise to the tumour in the art, in order to carry out earlier clamp to tumour tissue and get fixedly, need cooperate and use the operation outer clamp, carry out outer clamp to tumour tissue, excise again, the troublesome poeration, and the structure is complicated and trivial details, simultaneously in the art, when the liquid medicine adds, need additionally operate to the medicine structure of outside, the inconvenient problem of in the operation process has been increased, and an oral cavity maxillofacial surgery tumour resection device that proposes.
In order to achieve the purpose, the invention adopts the following technical scheme: a tumor resection device for oral and maxillofacial surgery comprises a first handle and a second handle, wherein one end of the first handle and one end of the second handle are respectively and fixedly provided with a first chuck and a second chuck, the interiors of the first chuck and the second chuck are respectively provided with a knife storage box, the exterior of the knife storage box is provided with a box cover, the interior of the knife storage box is provided with a cutting knife through a connecting rope, the side walls of the first chuck and the second chuck are provided with a movable groove, the interior of the movable groove is provided with a clamping and cutting assembly for effective circular cutting of tumor tissues, and the interiors of the first chuck and the second chuck are respectively provided with a trigger mechanism for stable triggering of the clamping and cutting assembly;
the clamping and cutting assembly comprises a side ejection spring, an internal sheet and a clamping sleeve, the internal sheet is fixedly installed inside the second clamping head, the side ejection spring is fixedly installed on the outer wall of one side of the internal sheet, and a side installation block is fixedly installed at one end of the clamping sleeve.
As a further description of the above technical solution:
the side mounting block is slidably connected with the inside of the second chuck, one end of the side top spring is fixedly connected with the outer wall of one side of the side mounting block, and a circular cutter is arranged on the outer surface of the clamping sleeve.
As a further description of the above technical solution:
the trigger mechanism comprises a limiting sliding shaft and a trigger pressing shaft, the limiting sliding shaft is fixedly installed inside the second chuck, and an outer spring is sleeved outside the limiting sliding shaft.
As a further description of the above technical solution:
the outside slidable mounting of spacing slide-shaft has the pressure shaft that triggers, the one end fixed mounting who triggers the pressure shaft has L type gag lever post, the screens downthehole to the one end setting of side-mounting piece is inlayed to the one end of L type gag lever post card.
As a further description of the above technical solution:
an inner groove is formed in the middle of the first handle, the second handle is rotatably connected with the first handle through a rotating shaft, a torsion spring and an outer gear are fixedly mounted outside the rotating shaft, and one end of the torsion spring is fixedly connected with the inner side wall of a side groove formed in the second handle.
As a further description of the above technical solution:
the safety positioning assembly comprises a shell and a bottom shaft, the shell is rotatably installed on the first handle through the bottom shaft, a driven gear is fixedly installed outside the bottom shaft, and a side shell is fixedly installed on the side wall of the shell.
As a further description of the above technical solution:
the side shell is internally provided with a limiting clamping shaft in a clamping and embedding manner, a side pull shaft is fixedly arranged on the side wall of the limiting clamping shaft, a magnetic block is fixedly arranged at the top of the limiting clamping shaft, a magnet with a magnetic pole different from that of the magnetic block is arranged inside the side shell, the driven gear is meshed with the external gear and connected with the external gear, and the outer surface of the first handle is provided with a positioning clamping hole matched with the limiting clamping shaft.
As a further description of the above technical solution:
the utility model discloses a handle, including first handle and second handle, the inside in side stroke groove is provided with the side stroke groove, the inside in side stroke groove is provided with coupling assembling for the stable connection of first handle and second handle, coupling assembling includes triangle revolving rack, side-mounting piece and installation cover, the junction of triangle revolving rack rotates installs the connecting axle, the top of connecting axle is rotated and is installed the axle sleeve, installation cover fixed mounting is on the top surface of first chuck and second chuck, be connected through the connecting rod between axle sleeve and the installation cover, the one end fixed mounting of triangle revolving rack has the side-mounting piece.
As a further description of the above technical solution:
all be provided with on first chuck and the second chuck and lead the medicine subassembly for the automatic medicine of leading during the cutting operation, lead the medicine subassembly including depositing the medicine box, the one end of depositing the medicine box is provided with leads the medicine tubule, the outside of first chuck and second chuck is provided with a plurality of drain holes, and a plurality of drain holes are circularly, the inside slidable mounting who deposits the medicine box has the piston that pushes away the medicine.
As a further description of the above technical solution:
the outside of pushing away the medicine piston is provided with the seal cover, fixed mounting has the piston rod on the outer wall of one side of pushing away the medicine piston, the piston rod with deposit medicine box sliding connection, the outside fixed mounting of piston rod has the answer spring, the one end of answer spring and the lateral wall fixed connection who deposits the medicine box, the one end fixed mounting of piston rod has the preforming, the preforming corresponds with the position of side-mounting piece each other.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the clamping and cutting assembly capable of automatically clamping is arranged on the device, when the oral and maxillofacial surgery tumor resection operation is carried out, the cutting part of the tumor can be placed between the first chuck and the second chuck, then the first handle and the second handle are pressed, the first chuck and the second chuck are controlled to be gradually closed, in the process, the tumor can be contacted with the trigger mechanism, the trigger pressing shaft can gradually move inwards along with the pressure generated on the trigger mechanism, the L-shaped limiting rod at one end of the trigger pressing shaft is simultaneously driven to synchronously move, after the L-shaped limiting rod is separated from the clamping hole of the clamping and cutting assembly, the compressed side top spring is released, the clamping sleeve can be automatically pushed laterally, the two clamping sleeves are mutually close to finish the rapid and effective clamping of the tumor, the structure is directly rotated during cutting, so that the effective circular cutting of the tumor can be finished, the included angle between the first chuck and the second chuck can be gradually reduced according to the cutting amount, the design is reasonable, the automatic clamping and cutting of the tumor tissue can be realized, the stability of the tumor tissue cutting can be effectively ensured, the operation difficulty of the device can be reduced, and the operation effect of the operation can be improved.
2. According to the invention, the safety positioning component is arranged outside, when a tumor is clamped and cut, if a certain depth needs to be cut for the tumor in advance, the included angle between the first chuck and the second chuck needs to be adjusted to be a fixed value, the rotating shaft can rotate in the process of adjusting the angle between the first chuck and the second chuck, the outer gear is synchronously driven to rotate, the bottom shaft with the driven gear can be driven to rotate due to the meshing effect, so that the shell is driven to rotate, when the adjustment reaches a proper position, the limiting clamping shaft can be directly moved downwards through the side pull shaft, and one end of the limiting clamping shaft is clamped into the positioning clamping hole of the first handle, so that the positioning for the safety positioning component is realized, the locking positioning for the outer gear and the rotating shaft is completed, the included angle between the first chuck and the second chuck is fixed, the deflection cannot occur, the accuracy of an operation is effectively ensured, no deviation exists, meanwhile, a doctor does not need to continuously grasp the structure in the operation, and the use comfort level of the device is improved.
3. According to the structure, the connecting assembly is arranged between the first handle and the second handle, when the structure is used, the connecting assembly can also have some adaptive changes along with the use of the first handle and the second handle, the connecting assembly can play a good supporting role in the use of the structure, the situation that the structure is inconvenient to use after long time use or the connection between the structures is loose is effectively avoided, the stability of the structure in the use is effectively ensured, and meanwhile, the service life of the structure is prolonged.
4. According to the invention, the medicine guide assembly is arranged in the medicine storage box, when the medicine storage box is used, the side mounting block of the connecting assembly can displace towards the inner side along with the pinching of the first handle and the second handle, during displacement, the side mounting block can extrude a pressing sheet of the medicine guide assembly, the pressing sheet can drive the medicine pushing piston to displace through the piston rod, the medicine pushing piston can push the medicine liquid in the medicine storage box to the side, the medicine liquid can be guided through the side of the medicine guide thin tube and finally sent out through the liquid guide hole to be guided into tumor tissues, and through reasonable structural design, the function of synchronous medicine feeding treatment in an operation is achieved through the stable linkage effect between the structures.
Drawings
Fig. 1 is a schematic perspective view of a tumor resection device for oral and maxillofacial surgery.
Fig. 2 is an exploded perspective view of an oral and maxillofacial surgical tumor resection device.
Fig. 3 is an enlarged partial three-dimensional structure diagram of a connecting component in the oral and maxillofacial surgical tumor resection device.
Fig. 4 is an enlarged exploded perspective view of a drug delivery assembly in an oral maxillofacial surgical tumor resection device.
Fig. 5 is an enlarged explosion three-dimensional structure schematic diagram of a clamping cutting assembly and a trigger mechanism in the oral and maxillofacial surgery tumor resection device.
Fig. 6 is an enlarged combined three-dimensional structure schematic diagram of a clamping cutting assembly and a trigger mechanism in the oral and maxillofacial surgery tumor resection device.
Fig. 7 is an enlarged structure diagram at A in the oral and maxillofacial surgical tumor resection device.
Fig. 8 is a schematic diagram of an enlarged explosion three-dimensional structure of a safety positioning assembly in an oral and maxillofacial surgical tumor resection device.
Fig. 9 is an enlarged structure diagram at the position B in the oral and maxillofacial surgical tumor resection device.
Illustration of the drawings:
1. a first handle; 2. a side stroke slot; 3. a second handle; 4. a connecting assembly; 41. a connecting shaft; 42. a shaft sleeve; 43. a connecting rod; 44. a triangular rotating frame; 45. a side mounting block; 46. installing a sleeve; 5. an inner tank; 6. storing a knife box; 7. a second chuck; 8. clamping the cutting assembly; 81. a side top spring; 82. a built-in sheet; 83. a jacket; 84. a ring cutter; 85. a side mounting block; 9. a box cover; 10. a first chuck; 11. a torsion spring; 12. a rotating shaft; 13. an outer gear; 14. a side groove; 15. a drug delivery assembly; 151. a return spring; 152. a piston rod; 153. a medicine pushing piston; 154. storing the medicine box; 155. tabletting; 156. a drug guide tubule; 16. a trigger mechanism; 161. an L-shaped limiting rod; 162. a limiting sliding shaft; 163. an outer spring; 164. triggering the pressing shaft; 17. a safety positioning assembly; 171. a housing; 172. a side casing; 173. laterally pulling the shaft; 174. limiting the shaft; 175. a magnetic block; 176. a driven gear; 177. a bottom shaft; 18. positioning the clamp hole; 19. a drain hole; 20. a movable groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: an oral and maxillofacial surgery tumor resection device comprises a first handle 1 and a second handle 3, wherein one end of the first handle 1 and one end of the second handle 3 are respectively and fixedly provided with a first chuck 10 and a second chuck 7, the interiors of the first chuck 10 and the second chuck 7 are respectively provided with a knife storage box 6, the exterior of the knife storage box 6 is provided with a box cover 9, the interior of the knife storage box 6 is provided with a cutting knife through a connecting rope, the side walls of the first chuck 10 and the second chuck 7 are provided with a movable groove 20, the interior of the movable groove 20 is provided with a clamping and cutting assembly 8 for effective circular cutting of tumor tissues, and the interiors of the first chuck 10 and the second chuck 7 are respectively provided with a trigger mechanism 16 for stable triggering of the clamping and cutting assembly 8;
the clamping and cutting assembly 8 comprises a side top spring 81, an internal sheet 82 and a clamping sleeve 83, the internal sheet 82 is fixedly installed inside the second clamping head 7, the side top spring 81 is fixedly installed on the outer wall of one side of the internal sheet 82, a side installation block 85 is fixedly installed at one end of the clamping sleeve 83, the side installation block 85 is slidably connected with the inside of the second clamping head 7, one end of the side top spring 81 is fixedly connected with the outer wall of one side of the side installation block 85, and a ring cutting knife 84 is arranged on the outer surface of the clamping sleeve 83;
the trigger mechanism 16 comprises a limit sliding shaft 162 and a trigger pressing shaft 164, the limit sliding shaft 162 is fixedly installed inside the second chuck 7, an outer spring 163 is sleeved outside the limit sliding shaft 162, the trigger pressing shaft 164 is slidably installed outside the limit sliding shaft 162, an L-shaped limit rod 161 is fixedly installed at one end of the trigger pressing shaft 164, and one end of the L-shaped limit rod 161 is clamped and embedded in a clamping hole formed in one end of the side installation block 85;
the specific implementation mode is as follows: when the oral and maxillofacial surgery tumor resection operation is carried out, the cutting part of the tumor can be placed between the first chuck 10 and the second chuck 7, the first handle 1 and the second handle 3 are pressed, the first chuck 10 and the second chuck 7 are controlled to be gradually closed, in the process, the tumor can be contacted with the trigger mechanism 16, along with the pressure generated on the trigger mechanism 16, the trigger pressure shaft 164 can gradually move inwards and simultaneously drive the L-shaped limiting rod 161 at one end to synchronously move, after the L-shaped limiting rod 161 is separated from the clamping hole of the clamping sleeve 83 of the clamping and cutting component 8, the compressed side top spring 81 is released, the clamping sleeve 83 can be automatically pushed laterally, the two clamping sleeves 83 are mutually close to finish the rapid and effective clamping of the tumor, and during the cutting, the structure is directly rotated, so that the effective circular cutting of the tumor can be finished, and the included angle between the first chuck 10 and the second chuck 7 can be gradually reduced according to the cutting amount;
an inner groove 5 is formed in the middle of the first handle 1, the second handle 3 is rotatably connected with the first handle 1 through a rotating shaft 12, a torsion spring 11 and an outer gear 13 are fixedly mounted on the outer portion of the rotating shaft 12, one end of the torsion spring 11 is fixedly connected with the inner side wall of a side groove 14 formed in the second handle 3, a safety positioning assembly 17 is rotatably mounted at the top of the first handle 1 and used for stably and quickly positioning the first handle 1 and the second handle 3, the safety positioning assembly 17 comprises a shell 171 and a bottom shaft 177, the shell 171 is rotatably mounted on the first handle 1 through the bottom shaft 177, a driven gear 176 is fixedly mounted on the outer portion of the bottom shaft 177, a side shell 172 is fixedly mounted on the side wall of the shell 171, a limiting clamping shaft 174 is mounted in a clamping and embedding manner inside the side shell 172, a side pulling shaft 173 is fixedly mounted on the side wall of the limiting clamping shaft 174, a magnetic block is fixedly mounted at the top of the limiting clamping shaft 174, a magnet with a magnetic block having a magnetic pole different from that of the magnetic block 175 is disposed inside the side shell 172, the driven gear 176 is mutually engaged with the outer gear 13, and connected with the outer gear 13, and a limiting clamping hole 18 matched with the outer surface of the first handle 1;
the specific implementation mode is as follows: when the tumor is clamped and cut, if the tumor is cut to a certain depth in advance, the included angle between the first chuck 10 and the second chuck 7 needs to be adjusted to be a fixed value, the rotating shaft 12 also rotates in the process of adjusting the angle between the first chuck 10 and the second chuck 7, the external gear 13 is synchronously driven to rotate, the bottom shaft 177 with the driven gear 176 can be driven to rotate due to the meshing action, so that the shell 171 is driven to rotate, and after the adjustment reaches a proper position, the limiting clamping shaft 174 can be directly moved downwards through the side pull shaft 173 at the moment, so that one end of the limiting clamping shaft is clamped into the positioning clamping hole 18 of the first handle 1, and the positioning of the safety positioning component 17 is realized, so that the locking positioning of the external gear 13 and the rotating shaft 12 is completed, the included angle between the first chuck 10 and the second chuck 7 is fixed, and the deflection cannot occur;
a side stroke groove 2 is formed in the first handle 1 and the second handle 3, a connecting assembly 4 is arranged in the side stroke groove 2 and used for stably connecting the first handle 1 and the second handle 3, the connecting assembly 4 comprises a triangular rotating frame 44, a side mounting block 45 and a mounting sleeve 46, a connecting shaft 41 is rotatably mounted at the joint of the triangular rotating frame 44, a shaft sleeve 42 is rotatably mounted at the top of the connecting shaft 41, the mounting sleeve 46 is fixedly mounted on the top surfaces of the first chuck 10 and the second chuck 7, the shaft sleeve 42 is connected with the mounting sleeve 46 through a connecting rod 43, and the side mounting block 45 is fixedly mounted at one end of the triangular rotating frame 44;
the specific implementation mode is as follows: because the connecting component 4 is arranged between the first handle 1 and the second handle 3, when the structure is used, the connecting component 4 can also have some adaptability changes along with the use of the first handle 1 and the second handle 3, and the connecting component 4 can play a good supporting role when the structure is used;
the first clamping head 10 and the second clamping head 7 are both provided with a medicine guiding assembly 15 for automatically guiding medicine during a cutting operation, the medicine guiding assembly 15 comprises a medicine storage box 154, one end of the medicine storage box 154 is provided with a medicine guiding thin tube 156, the outer sides of the first clamping head 10 and the second clamping head 7 are provided with a plurality of liquid guiding holes 19, the plurality of liquid guiding holes 19 are circular, a medicine pushing piston 153 is slidably mounted inside the medicine storage box 154, a sealing sleeve is arranged outside the medicine pushing piston 153, a piston rod 152 is fixedly mounted on the outer wall of one side of the medicine pushing piston 153, the piston rod 152 is slidably connected with the medicine storage box 154, a return spring 151 is fixedly mounted outside the piston rod 152, one end of the return spring 151 is fixedly connected with the side wall of the medicine storage box 154, one end of the piston rod 152 is fixedly mounted with a pressing sheet 155, and the pressing sheet 155 corresponds to the side mounting block 45;
the specific implementation mode is as follows: when the structure is used, along with the pinching of the first handle 1 and the second handle 3, the side mounting block 45 of the connecting assembly 4 can displace towards the inner side, during the displacement, the side mounting block 45 can extrude the pressing sheet 155 of the medicine guide assembly 15, the pressing sheet 155 can drive the medicine pushing piston 153 to displace through the piston rod 152, the medicine pushing piston 153 can push the medicine liquid in the medicine storage box 154 to the side, the medicine liquid can be guided to the side through the medicine guide thin tube 156 and finally sent out through the medicine guide hole 19, the medicine liquid is guided to the tumor tissue, and the medicine can be supplemented periodically.
The working principle is as follows: when the oral and maxillofacial surgery tumor resection operation is carried out, the cutting part of the tumor can be placed between the first chuck 10 and the second chuck 7, then the first handle 1 and the second handle 3 are pressed, the first chuck 10 and the second chuck 7 are controlled to be gradually closed, in the process, the tumor can be contacted with the trigger mechanism 16, along with the pressure generated on the trigger mechanism 16, the trigger pressure shaft 164 can gradually move inwards and simultaneously drive the L-shaped limiting rod 161 at one end to synchronously move, when the L-shaped limiting rod 161 is separated from the clamping hole of the clamping sleeve 83 of the clamping and cutting component 8, the compressed side top spring 81 is released, the clamping sleeve 83 can be automatically pushed laterally, the two clamping sleeves 83 are mutually close to finish the rapid and effective clamping of the tumor, when the cutting is carried out, the structure is directly rotated, so that the effective circular cutting of the tumor can be finished, the included angle between the first chuck 10 and the second chuck 7 is gradually reduced according to the cutting amount, when the tumor is clamped and cut, if the tumor is cut to a certain depth in advance, the included angle between the first chuck 10 and the second chuck 7 needs to be adjusted to a fixed value, the rotating shaft 12 also rotates during the angle adjustment of the first chuck 10 and the second chuck 7, the external gear 13 is synchronously driven to rotate, the bottom shaft 177 with the driven gear 176 can be driven to rotate due to the meshing action, so as to drive the shell 171 to rotate, when the adjustment reaches a proper position, the limiting clamping shaft 174 can be directly moved downwards through the side pulling shaft 173 at the moment, so that one end of the limiting clamping shaft is clamped into the positioning clamping hole 18 of the first handle 1, thereby realizing the positioning of the safety positioning component 17, further completing the locking and positioning of the external gear 13 and the rotating shaft 12, and fixing the included angle between the first chuck 10 and the second chuck 7, the deflection can not occur, because the connecting assembly 4 is arranged between the first handle 1 and the second handle 3, when the structure is used, along with the use of the first handle 1 and the second handle 3, some adaptive changes can also occur to the connecting assembly 4, the connecting assembly 4 can play a good supporting role when the structure is used, in the operation, along with the pinching of the first handle 1 and the second handle 3, the side mounting block 45 of the connecting assembly 4 can displace towards the inner side, during the displacement, the side mounting block 45 can extrude the pressing sheet 155 of the medicine guide assembly 15, the pressing sheet 155 can drive the medicine pushing piston 153 to displace through the piston rod 152, the medicine pushing piston 153 can push the medicine liquid in the medicine storage box 154 to the side, the medicine liquid can be guided to the side through the medicine guide tube 156 and finally sent out through the medicine guide hole 19, the medicine liquid is guided into the tumor tissue, and the medicine can be supplemented regularly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides an oral cavity maxillofacial surgery tumour resection device, includes first handle (1) and second handle (3), the one end difference fixed mounting of first handle (1) and second handle (3) has first chuck (10) and second chuck (7), the inside of first chuck (10) and second chuck (7) all is provided with deposits sword box (6), the outside of depositing sword box (6) is provided with lid (9), the inside of depositing sword box (6) is provided with the cutting knife through connecting the rope, be provided with movable slot (20), its characterized in that on the lateral wall of first chuck (10) and second chuck (7): a clamping and cutting assembly (8) is arranged inside the movable groove (20) and used for effective circular cutting of tumor tissues, and trigger mechanisms (16) are arranged inside the first chuck (10) and the second chuck (7) and used for stable triggering of the clamping and cutting assembly (8);
the clamping and cutting assembly (8) comprises a side top spring (81), an internal sheet (82) and a clamping sleeve (83), the internal sheet (82) is fixedly installed inside the second clamping head (7), the side top spring (81) is fixedly installed on the outer wall of one side of the internal sheet (82), and a first side installation block (85) is fixedly installed at one end of the clamping sleeve (83);
the trigger mechanism (16) comprises a limiting sliding shaft (162) and a triggering pressing shaft (164), the limiting sliding shaft (162) is fixedly installed inside the second chuck (7), an outer spring (163) is sleeved outside the limiting sliding shaft (162), the triggering pressing shaft (164) is installed outside the limiting sliding shaft (162) in a sliding mode, an L-shaped limiting rod (161) is fixedly installed at one end of the triggering pressing shaft (164), one end of the L-shaped limiting rod (161) is embedded into a clamping hole formed in one end of the first side installation block (85) in a clamping mode, an inner groove (5) is formed in the middle of the first handle (1), the second handle (3) is rotatably connected with the first handle (1) through a rotating shaft (12), a torsion spring (11) and an outer gear (13) are fixedly installed outside the rotating shaft (12), one end of the torsion spring (11) is fixedly connected with the inner side wall of a side groove (14) formed in the second handle (3), a safety handle positioning component (17) is installed at the top of the first handle (1) in a rotating mode and used for positioning between the second handle (3) and the second handle (177), and the quick positioning shaft (171) comprises a safety bottom shaft (177), the outer portion of the bottom shaft (177) is fixedly provided with a driven gear (176), the side wall of the shell (171) is fixedly provided with a side shell (172), the inner portion of the side shell (172) is provided with a limiting clamping shaft (174) in a clamping and embedding manner, the side wall of the limiting clamping shaft (174) is fixedly provided with a side pull shaft (173), the top of the limiting clamping shaft (174) is fixedly provided with a magnetic block (175), the inner portion of the side shell (172) is provided with a magnet with a magnetic pole different from that of the magnetic block (175), the driven gear (176) is connected with an external gear (13) in a meshed manner, and the outer surface of the first handle (1) is provided with a positioning clamping hole (18) matched with the limiting clamping shaft (174).
2. The oromaxillofacial surgical tumor resection device according to claim 1, wherein the first side mounting block (85) is slidably connected with the inside of the second chuck (7), one end of the side top spring (81) is fixedly connected with the outer wall of one side of the first side mounting block (85), and the external surface of the jacket (83) is provided with a girdling knife (84).
3. The oral and maxillofacial surgical tumor resection device according to claim 2, wherein the first handle (1) and the second handle (3) are provided with side travel grooves (2) inside, the side travel grooves (2) are provided with connecting assemblies (4) inside for stable connection of the first handle (1) and the second handle (3), the connecting assemblies (4) comprise triangular rotating frames (44), second side installation blocks (45) and installation sleeves (46), the connecting shaft (41) is rotatably installed at the joint of the triangular rotating frames (44), the top of the connecting shaft (41) is rotatably installed with a shaft sleeve (42), the installation sleeves (46) are fixedly installed on the top surfaces of the first chuck (10) and the second chuck (7), the shaft sleeve (42) and the installation sleeves (46) are connected through a connecting rod (43), and one end of the triangular rotating frames (44) is fixedly installed with the second side installation blocks (45).
4. The oromaxillofacial surgical tumor resection device according to claim 3, wherein the first chuck (10) and the second chuck (7) are respectively provided with a drug guiding assembly (15) for automatic drug guiding during cutting operation, the drug guiding assembly (15) comprises a drug storage box (154), one end of the drug storage box (154) is provided with a drug guiding thin tube (156), a plurality of liquid guiding holes (19) are arranged on the outer sides of the first chuck (10) and the second chuck (7), the liquid guiding holes (19) are circular, and a drug pushing piston (153) is slidably mounted in the drug storage box (154).
5. The oral and maxillofacial surgical tumor resection device of claim 4, wherein a sealing sleeve is arranged outside the drug pushing piston (153), a piston rod (152) is fixedly installed on the outer wall of one side of the drug pushing piston (153), the piston rod (152) is connected with the drug storage box (154) in a sliding manner, a return spring (151) is fixedly installed outside the piston rod (152), one end of the return spring (151) is fixedly connected with the side wall of the drug storage box (154), a pressing sheet (155) is fixedly installed at one end of the piston rod (152), and the pressing sheet (155) corresponds to the second side installation block (45) in position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187650.8A CN114027930B (en) | 2021-10-12 | 2021-10-12 | Oral cavity maxillofacial surgery tumour resection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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