CN113995491A - Proximal femur fracture plate and machining tool and process thereof - Google Patents
Proximal femur fracture plate and machining tool and process thereof Download PDFInfo
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- CN113995491A CN113995491A CN202111192039.4A CN202111192039A CN113995491A CN 113995491 A CN113995491 A CN 113995491A CN 202111192039 A CN202111192039 A CN 202111192039A CN 113995491 A CN113995491 A CN 113995491A
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8085—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with pliable or malleable elements or having a mesh-like structure, e.g. small strips
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Abstract
The utility model relates to a coaptation board and processing frock and technology thereof belongs to medical instrument's field, and the coaptation board includes mainboard, buckling board and hook plate in proper order, and the relative terminal surface that the mainboard is located its thickness direction is operation face and contact surface respectively, and the relative side that the mainboard is located its width direction is threading face, has seted up a plurality of through wires holes on the mainboard, and the through wires hole is seted up to one of them by the operation face on the threading face. This application sets up through the slant of through wires hole, has reduced to carry out the through wires hole and has added the drill bit depth of feeding man-hour, has reduced the drilling depth from this great and the drill bit vibration range that causes, has improved the drill bit and has improved the state stability at the during operation, has the effect that reduces the drill bit vibration and damage, improvement through wires hole shaping quality.
Description
Technical Field
The application relates to the field of medical equipment, in particular to a proximal femur bone fracture plate, a tool and a process for producing the bone fracture plate.
Background
In the medical industry, the fixation of a bone portion with a bone plate is a common treatment method in fracture surgery, and the bone plate is usually used in combination with bone screws, bone cables and the like. During treatment, the bone screws and the bone connecting cables fix the bone plate and the bone mutually so as to connect and correct the fractured bone, so that the structure of the bone plate needs to correspond to the shape of the fractured bone so as to improve the joint degree of the bone plate and the fractured bone.
The structure of the proximal femur of a human body is shown in fig. 1, and the proximal femur is the end of the femoral shaft 2 close to the pelvis, and the end is provided with a greater trochanter 22, a femoral head 21 and the like. The proximal femur bone fracture plate is used as a special bone fracture plate for bone fracture correction treatment, and comprises a main plate 1, wherein the main plate 1 is attached to one side of a femur body 2, one end of the main plate 1 is provided with an arc-shaped structure matched with a femur greater trochanter 22, the part is a buckling plate 12, a hook plate 121 is formed at one end, away from the main plate 1, of the buckling plate 12, when the bone fracture plate is matched with the proximal femur, the sunken side of the buckling plate 12 is attached to the outer side of the greater trochanter 22, the hook plate 121 is hung on a rotor socket 23 between the greater trochanter 22 and a femur head 21, so that the integral attaching degree of the bone fracture plate and the femur is improved, and meanwhile, the effect of improving the firmness degree of the fixation state between the bone fracture plate and the femur is achieved.
The bone fracture plate is provided with a threading hole 13 matched with the bone fracture cable 3 made of titanium alloy material for use through a drill, the threading hole 13 is usually arranged in a width mode of penetrating through the bone fracture plate at present, and the bone fracture cable 3 penetrates through the bone fracture plate through the threading hole 13 and then is bound with a bone of a fracture, so that the bone fracture cable and the bone fracture cable are connected and fixed relatively.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: when the bone fracture plate is drilled with the threading holes, the feeding stroke of the drill bit needs to be at least larger than the width of the bone fracture plate due to the fact that the threading holes penetrate through the width of the bone fracture plate, the vibration condition generated when the drill bit operates is more serious along with the increase of the feeding amount of the drill bit, the thickness of the bone fracture plate is smaller, and the cutter and the plate are easily damaged greatly due to the larger feeding stroke of the drill bit.
Disclosure of Invention
In order to improve the problem that the threading hole is all easily damaged drilling cutter and panel when processing, this application provides a coaptation board, a frock and technology for producing the coaptation board.
In a first aspect, the present application provides a bone plate, which adopts the following technical scheme:
the bone fracture plate comprises a main plate, wherein opposite end faces of the main plate in the thickness direction are an operation face and a contact face respectively, opposite side faces of the main plate in the width direction are threading faces, a plurality of threading holes are formed in the main plate, and the threading holes are formed in the threading faces from the operation face to one of the threading faces.
Through adopting above-mentioned technical scheme, the through wires hole intercommunication operation face and threading face, because the operation face and the threading face of mainboard meet, the event runs through the through wires hole of these two sides and possesses the basis of less axial length, under the less condition of through wires hole length, the feeding degree of depth of boring a knife is also less when carrying out drilling to the through wires hole with man-hour, reduced the drilling degree of depth great promptly and arouse the possibility of boring a knife violent vibration, the state stability of boring a knife at the during operation has been improved, the damage degree that the tool bit of boring a knife and the panel that is processed received is reduced, the shaping quality of through wires hole has also been improved.
Preferably, the threading face includes first threading face and second threading face, all there is the drill way of through wires hole on first threading face and the second threading face, the spread groove has been seted up to the one side that just is located the operation face on the mainboard, the one end of spread groove with extend to the through wires hole drill way intercommunication of operation face by first threading face, the other end with extend to the through wires hole drill way intercommunication of operation face by the second threading face.
Through adopting above-mentioned technical scheme, when wearing to establish the coaptation cable, the part that the coaptation cable is located mainboard operation face one side can be placed in the spread groove, and the spread groove plays certain limiting displacement to the coaptation cable that is located it, improves the position stability of coaptation cable in the art and postoperative. Meanwhile, when the plate is processed into the connecting groove and the threading hole, the connecting groove is processed firstly, then the threading hole is processed, and then at the drilling starting point, the end groove wall of the connecting groove can provide a stable force application point for the tool bit of the drill, so that the smoothness degree of the drilling process and the direction stability of the drill during feeding are improved.
Preferably, the groove bottom of the connecting groove and the hole wall of the threading hole are in transition through a round angle.
Through adopting above-mentioned technical scheme, the tank bottom of spread groove and the edges and corners structure between the through wires hole pore wall are replaced by the fillet, and the fillet structure is little to the degree of wear that lies in its coaptation cable to reduced the damage that the coaptation cable received, improved the life of coaptation cable.
Preferably, a buckling plate is arranged at one end of the main plate, and a hook plate is arranged at one end, far away from the main plate, of the buckling plate.
Through adopting above-mentioned technical scheme, lock board and hook plate correspond the trochanter side and the rotor nest top of laminating thighbone respectively, improve thighbone near-end coaptation board when using with the cooperation degree of thighbone near-end structure, and then improve the effect of fracture treatment.
Preferably, the opposite side surfaces of the buckling plate are provided with auxiliary wing plates, the auxiliary wing plates are used for bone screws to penetrate through, a quick-release edge is fixedly connected between the auxiliary wing plates and the buckling plate, and the thickness of the quick-release edge is smaller than that of the buckling plate.
By adopting the technical scheme, the auxiliary wing plate can be attached to the side surface of the greater rotor, and the bone screws can be selectively driven into the greater rotor from the auxiliary wing plate, so that the fixing firmness degree between the bone fracture plate and the bone is further improved; if the auxiliary wing plate is not needed, the auxiliary wing plate is cut off from the buckling plate along the quick-release edge.
Preferably, the fastening plate is provided with fastening holes, and the fastening holes penetrate through the thickness of the fastening plate.
By adopting the technical scheme, the femoral greater trochanter is in an irregular convex shape, and the buckling holes reserved on the buckling plates have a yielding effect on part of irregular convex structures on the surface of the greater trochanter, so that the overall bonding stability of the buckling plates to the greater trochanter is improved; meanwhile, the bone structure of the greater trochanter of the femur can be observed from the outside through the buckling hole, so that the healing condition of the bone tissue at the position can be conveniently known in the follow-up process.
The second aspect, this application provides a processing frock for above-mentioned coaptation board, adopts following technical scheme:
the utility model provides a processing frock for above-mentioned coaptation board, is including the mould of bending and milling drill mechanism, the mould of bending is used for bending and shaping buckling plate and hook plate above-mentioned mainboard, milling drill mechanism is used for milling to bore processing and shaping through wires hole and spread groove to the mainboard, milling drill mechanism includes the processing platform, the processing bench is offered and is used for placing the standing groove of mainboard, the processing bench is offered a plurality of and is stepped down the breach of standing groove intercommunication, the distributed position of the breach of stepping down corresponds the setting with the through wires hole.
By adopting the technical scheme, the original plate is bent by the bending die to form the buckling plate and the hook plate, and then the plate is placed on the processing table to form the threading hole and the connecting groove on the main plate; when drilling, because the orifice at one end of the threading hole is positioned on the threading surface, the existence of the abdicating notch can provide a space condition for the cutter head of the drill to smoothly pass through the threading surface without damaging the processing table.
Preferably, a clamp assembly is arranged on the machining table and comprises an installation rod and a clamping block, the clamping block is detachably installed on the machining table, a clamping portion is connected to the side wall of the clamping block, and the clamping portion is in contact with the operating surface of the main board.
Through adopting above-mentioned technical scheme, when screens portion contact the operating surface of mainboard, the mainboard is just by the centre gripping in the standing groove to this realizes that coaptation board self is fixed on the processing platform.
Preferably, the fixture block is fixedly connected with an installation rod, and the installation rod is in threaded connection with the processing table; the fixture block is fixedly connected with a limiting portion, a limiting flange is arranged on the machining table, when the fixture block rotates to the limiting portion and is abutted against the limiting flange, the clamping portion is in contact with the operating surface of the main board, and the orthographic projection of the clamping portion in the height direction of the machining table does not fall into the abdicating notch.
Through adopting above-mentioned technical scheme, rotatory fixture block, screens portion is close to the mainboard and removes under the guide of screw thread, when spacing flange of spacing portion butt, the fixture block can't rotate, at this moment, screens portion contacts with the operating surface of mainboard, it is fixed to the centre gripping of being processed the work piece to realize the anchor clamps subassembly, reduce because of personnel continue rotatory fixture block and cause the possibility of damage to the mainboard face, and the position of screens portion this moment has also avoided the drilling to add the route of boring cutter in man-hour to can make the course of working of boring cutter go on smoothly.
In a third aspect, the present application provides a processing technology of the bone fracture plate, which adopts the following technical scheme:
the processing technology of the bone fracture plate comprises the following steps:
s1: bending the plate raw material by using a bending die to form a light panel, wherein the light panel comprises a main board, a buckling board and a hook board;
s2: placing the light panel in S1 in a placement tray;
s3: and processing a connecting groove and a threading hole on the light panel arranged in the placing groove in the S2.
By adopting the technical scheme, the plate is bent firstly, then the plate is subjected to hole-groove processing, namely the shape and the bending angle of the plate before the hole-groove processing are finished, and the process parameters such as the path, the section shape and the like of the threading hole and the connecting groove do not have great changes until the bone fracture plate is put into use.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the threading hole is communicated with the operation surface and the threading surface, and the operation surface of the main board is connected with the threading surface, so that the threading hole penetrating through the two surfaces can have smaller axial length, thereby reducing the feeding depth of the drill when the threading hole is drilled and machined, reducing the violent vibration of the drill caused by larger drilling depth, improving the stability of the drill in working state, and reducing the abrasion degree of a tool bit and a plate and the forming quality of the threading hole;
2. through the setting of supplementary pterygoid lamina and quick-release limit, when the bone fracture board cooperation thighbone near-end was used, the bone screw that wears to establish on the supplementary pterygoid lamina can be followed the big rotor side slant and penetrated the skeleton, has further improved the connection fastening degree between bone fracture board and the thighbone, if do not need supplementary pterygoid lamina according to operation condition judgement, cut supplementary pterygoid lamina along the quick-release limit and can realize the quick dismantlement of supplementary pterygoid lamina.
Drawings
Fig. 1 is a schematic structural diagram for showing a matching relationship between a proximal femur bone plate and a femur in the related art.
Fig. 2 is a schematic structural view of one side of the operation surface of the bone plate in the embodiment of the application.
Fig. 3 is a schematic view of a structure for embodying one side of the contact surface of the bone plate in the embodiment of the present application.
Fig. 4 is a schematic structural diagram of a first mold frame for embodying a bending mold in the embodiment of the present application.
Fig. 5 is a schematic structural diagram of a second mold frame for embodying a bending mold in the embodiment of the present application.
Fig. 6 is a schematic structural diagram of a second mold frame for embodying a bending mold in the embodiment of the present application in an open state.
Fig. 7 is a schematic structural diagram for embodying the drilling and washing mechanism in the embodiment of the present application.
Fig. 8 is a partially enlarged view of a portion a in fig. 7.
Description of reference numerals: 1. a main board; 11. mounting holes; 12. buckling the plate; 121. a hook plate; 122. an auxiliary wing plate; 123. quickly removing edges; 124. buckling holes; 13. threading holes; 131. connecting grooves; 14. a blank plate; 141. a middle-grade plate; 142. a light panel; 15. positioning a plate; 16. an operation surface; 17. a contact surface; 18. threading surface; 2. a femoral shaft; 21. the femoral head; 22. a large rotor; 23. a rotor pocket; 3. a bone cable; 4. milling and drilling a fixed seat; 41. a processing table; 411. a clamp hole; 412. a yielding groove; 413. limiting and blocking edges; 414. taking and placing the notch; 415. a placement groove; 416. a abdication gap; 42. a clamp assembly; 421. mounting a rod; 422. a clamping block; 423. a clamping part; 424. a limiting part; 5. a first mold frame; 51. a first template; 511. bending the bulge; 52. a first die holder; 521. bending the groove; 53. accommodating grooves; 531. positioning the notch; 6. a second mold frame; 61. a second template; 611. forming a male die; 612. a male module; 62. a second die holder; 621. a base; 622. a placing table; 6221. starting the projection; 623. a guide post; 624. a return spring; 625. a discharge channel; 63. a female module; 631. forming a groove; 632. a transmission groove; 633. closing the mold; 634. and opening the mold.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
In a first aspect, the present application discloses a bone plate, as shown in fig. 2 and 3, which includes a main plate 1, where the main plate 1 is a plate with an overall elongated shape, and a width of one end of the main plate is gradually reduced along a length direction of the main plate, and the end is an implantation end implanted into a portion of a human body to be operated. The main board 1 has four side surfaces, which are respectively an operation surface 16, a contact surface 17 and two threading surfaces 18, and the two threading surfaces 18 are respectively a first threading surface and a second threading surface. When the bone setting operation is performed, the contact surface 17 of the main plate 1 faces the bone and is in direct contact with the bone, and the operation surface 16 is positioned on the side of the main plate 1, which faces away from the bone.
As shown in fig. 2 and 3, the main board 1 is provided with a plurality of threading holes 13 for threading the bone cables 3, and the axes of all the threading holes 13 are inclined relative to the operation surface 16 of the main board 1; every two threading holes 13 are in a group, a single group of threading holes 13 is used for a bone connecting cable 3 to pass through, one threading hole 13 extends to the first threading surface from the operation surface 16, and the other threading hole 13 extends to the second threading surface from the operation surface 16. In this embodiment, the axis of the threading hole 13 forms an included angle of 45 ° with the planes of the threading surface 18 and the operation surface 16.
As shown in fig. 2 and 3, the operation surface 16 of the main board 1 is provided with connecting grooves 131, the number of the connecting grooves 131 is the same as the number of the groups of the threading holes 13, two ends of each connecting groove 131 are respectively communicated with two orifices of the same group of two threading holes 13 on the operation surface 16, and the groove bottom of the connecting groove 131 is in transition with the hole wall of the threading hole 13 through a fillet; under the state that the bone-knitting cable 3 passes through the main board 1, the part of the bone-knitting cable 3 on one side of the operation surface 16 is positioned in the connecting groove 131, and the connecting groove 131 plays a certain limiting role on the bone-knitting cable 3 positioned in the connecting groove, so that the position stability of the bone-knitting cable 3 after operation and after operation is improved.
As shown in fig. 2 and 3, a plurality of mounting holes 11 are formed in the main board 1 along the length direction thereof, the mounting holes 11 are formed through the thickness of the main board 1, and the mounting holes 11 can be used in cooperation with bone screws. During the operation, whether the bone screw needs to be implanted into the bone can be confirmed according to bones with different structures and operation schemes.
As shown in fig. 2 and 3, in order to adapt to the proximal bone structure of a human femur, a fastening plate 12 is integrally formed at one end of the main plate 1 away from the implantation end, the fastening plate 12 is attached to the greater trochanter 22 at the proximal end of the femur, a hook plate 121 is integrally formed at one end of the fastening plate 12 away from the main plate 1, the hook plate 121 is attached to the rotation socket 23, wherein the fastening plate 12 and the hook plate 121 are formed by bending.
As shown in FIGS. 2 and 3, the auxiliary wing plates 122 are integrally formed on the opposite sides of the fastening plate 12, and the auxiliary wing plates 122 are also formed with the mounting holes 11. When the fastening plate 12 is attached to the surface of the greater trochanter 22, the bone screws can be obliquely driven into the bone through the mounting holes 11 on the auxiliary wing plates 122, so that the aim of further improving the connection and fastening degree of the proximal femur fracture plate and the bone is fulfilled.
As shown in FIGS. 2 and 3, a quick-release edge 123, which is also integrally formed with the fastener 12, is provided between the auxiliary wing panel 122 and the fastener 12, the auxiliary wing panel 122 has a thickness equal to that of the fastener 12, and the quick-release edge 123 has a thickness one-third of that of the fastener 12. The quick release edge 123 can enable the auxiliary wing plate 122 to be bent within a certain angle range, so that the close fit between the auxiliary wing plate 122 and the surface of the large rotor 22 is improved. If the auxiliary wing plate 122 is not needed to be used for reinforcement and fixation according to the operation condition, the auxiliary wing plate 122 is only needed to be cut off along the quick-release edge 123 through the plate shearing pliers.
As shown in fig. 2 and 3, the fastening plate 12 is further provided with fastening holes 124, and on the first hand, the fastening holes 124 can give way to the irregular structure at the middle part of the fastening plate 12 attached to the greater rotor 22, so as to reduce the possibility that the fastening plate 12 and the greater rotor 22 cannot be attached in place due to the irregular structure on the greater rotor 22; in the second aspect, the healing condition of the bone tissue at the greater trochanter 22 can be observed through the buckling holes 124, and a reference is provided for the subsequent rehabilitation proposal.
The bone plate in the embodiment of the application has the implementation principle that:
the threading hole 13 for threading the bone connecting cable 3 on the main board 1 is communicated with the operation surface 16 and the threading surface 18 of the main board 1, and the threading surface 18 is connected with the operation surface 16, so that the hole depth communicated with the two surfaces is smaller theoretically, namely the feeding stroke of the bit of the drill is smaller when the threading hole 13 is drilled, and the purposes of improving the processing precision and the processing stability of the bone fracture plate can be achieved. During operation, the main plate 1 of the bone fracture plate is firstly attached to the femoral body 2, the buckling plate 12 is attached to the surface of the large rotor 22, and the hook plate 121 is hung above the rotor nest 23. Then through the bone plate and bind the bone by means of the bone cables 3 to achieve a relative fixation of the two, and then optionally drive bone screws into the bone through the mounting holes 11. Before operation, whether the auxiliary wing plate 122 needs to be used or not is judged according to specific conditions so as to determine whether the auxiliary wing plate 122 is detached or not.
In a second aspect, the embodiment of the present application further discloses a tool for producing the bone fracture plate, as shown in fig. 4 and 5, the tool comprises a bending die, and the bending die is used for bending the main plate 1, so that the buckling plate 12 and the hook plate 121 are formed. Because the bending angles of the buckling plate 12 and the hook plate 121 during bending forming are different greatly, the bending die respectively forms the buckling plate 12 and the hook plate 121 by adopting a step-by-step bending mode, and therefore the bending die comprises the first die carrier 5 and the second die carrier 6.
As shown in fig. 4, the first mold frame 5 is used for performing a first bending process on an original plate of the bone fracture plate, and is used for forming a buckling plate 12 of the bone fracture plate; the second die carrier 6 is used for performing the second bending processing on the bone fracture plate subjected to the first bending processing, and is used for forming a hook plate 121 located at the end of the buckling plate 12. The bone fracture plate is a blank plate 14 before being processed, the blank plate 14 is bent for the first time to become a middle-level plate 141, the middle-level plate 141 comprises a buckling plate 12 and a main plate 1, the middle-level plate 141 is bent for the second time to become a light panel 142, and the light panel 142 has the structure of the main plate 1, the buckling plate 12 and a hook plate 121.
As shown in fig. 4, the first die carrier 5 is provided with a first die plate 51 and a first die holder 52, the second die carrier 6 is provided with a second die holder 62 and a second die plate 61, wherein the first die plate 51 and the second die plate 61 are respectively used as male dies in bending forming, the first die holder 52 and the second die holder 62 are respectively used as female dies in bending forming, and a pneumatic power system (not shown in the figure) for controlling the first die plate 51 and the second die plate 61 to respectively slide relative to the first die holder 52 and the second die holder 62 is respectively arranged in the first die carrier 5 and the second die carrier 6. In the process of processing and manufacturing the bone fracture plate, the positioning plates 15 integrally formed with the main plate 1 are respectively arranged on two opposite sides of the main plate 1 part of the blank plate 14, the first die holder 52 and the second die holder 62 are respectively provided with a containing groove 53 for placing the main plate 1, the depth direction of the containing groove 53 is consistent with the sliding direction of the first template 51 or the second template 61, and the groove wall of the containing groove 53 is provided with a positioning notch 531 for containing the positioning plate 15; in the process of bending the plate, the positioning notch 531 and the positioning groove are matched with each other to limit the main plate 1 in the direction perpendicular to the punching direction.
As shown in fig. 4, a bending protrusion 511 is integrally formed on one side of the first mold plate 51 facing the first mold base 52, a bending groove 521 is formed on the first mold base 52, and the bending groove 521 is located at one end of the accommodating groove 53 and is communicated with the accommodating groove. After the first mold plate 51 moves towards the first mold base 52, the bottom of the bending groove 521 and the bending protrusion 511 respectively extrude the main plate 1 from two opposite sides of the blank plate 14, so that the fastening plate 12 is formed, the bending protrusion 511 corresponds to the concave side of the fastening plate 12, and the bending groove 521 corresponds to the convex side of the fastening plate 12. After the first mold frame 5 is opened, the middle plate 141 is molded, and the middle plate 141 is taken out from the first mold base 52.
As shown in fig. 5 and 6, a female mold block 63 is rotatably connected to one end of the second mold base 62, which is located at the receiving groove 53, a forming groove 631 is formed in one side of the female mold block 63, and a forming male mold 611 is fixedly connected to one side of the second mold plate 61, which faces the second mold base 62, and the forming male mold 611 is to be matched with the receiving groove 53. A male die block 612 is integrally formed at one end of the forming male die 611, and the male die block 612 is matched with the forming groove 631 of the female die block 63 to bend the end of the buckling plate 12 out of the hook plate 121; the rotation plane of the female die block 63 is parallel to the moving direction of the second die plate 61, and when the middle plate 141 is placed in the second die holder 62, the rotation direction of the female die block 63 corresponds to the bending direction of the hook plate 121.
As shown in fig. 5 and 6, the second mold base 62 is divided into a base 621 and a placing table 622, wherein the base 621 is fixedly connected with the second mold frame 6, the placing table 622 is connected with the base 621 in a sliding manner, the accommodating groove 53 is located on the placing table 622, and the moving direction of the placing table 622 is consistent with the sliding direction of the second mold plate 61. A guide post 623 is fixedly connected to the base 621, the length direction of the guide post 623 is parallel to the moving direction of the placing table 622, and the guide post 623 is inserted into the placing table 622 and is in transition fit with the placing table 622; the base 621 is further provided with a return spring 624, the axis of the return spring 624 is parallel to the axis of the guide post 623, two ends of the return spring 624 are respectively fixedly connected with the base 621 and the placing table 622, and the return spring 624 is always in a compressed state.
As shown in fig. 5 and 6, a starting protrusion 6221 is integrally formed on the placing table 622 facing the concave module 63, a transmission groove 632 for matching with the starting protrusion 6221 is formed on the concave module 63, and both the surface of the starting protrusion 6221 and the groove surface of the transmission groove 632 are cambered surfaces and are attached to each other. Two edges of the opposite groove wall of the transmission groove 632 are a mold closing edge 633 and a mold opening edge 634 respectively, the mold closing edge 633 and the mold opening edge 634 are respectively located at two ends of the moving direction of the starting protrusion 6221, the starting protrusion 6221 pushes the mold closing edge 633 or the mold opening edge 634 when moving along with the placing table 622, and the female mold block 63 rotates under the action of the pushing force.
As shown in fig. 5 and 6, the molded middle-level board 141 is taken out from the first mold seat 52 and placed on the second mold seat 62, the main board 1 is located in the accommodating groove 53, and the fastening board 12 is located at one end of the accommodating groove 53 close to the female mold 63; the second mold plate 61 moves towards the second mold base 62, the forming male mold 611 abuts against one side of the main plate 1, which is away from the groove bottom of the accommodating groove 53, meanwhile, the male mold 612 abuts against one side of the concave portion of the buckling plate 12, the forming male mold 611 applies a pushing force to the placing table 622 through the middle-stage plate 141, so that the placing table 622 moves towards the direction of compressing the return spring 624, in the process, the starting protrusion 6221 pushes the mold closing edge 633 to rotate the concave mold 63, when the placing table 622 is pushed to the extreme position, the groove bottom of the forming groove 631 and the male mold 612 will respectively attach to two opposite sides of the end portion, which is far away from the main plate 1, of the buckling plate 12, so that the end portion of the buckling plate 12 is bent to form the hook plate 121, and the light panel 142 is formed. When the mold is opened, the second mold plate 61 is far away from the second mold base 62, the placing table 622 is also close to the second mold plate 61 and moves under the thrust of the return spring 624, the starting protrusion 6221 pushes the mold opening edge 634, the mold block 63 rotates reversely, the mold opening is completed, and the optical panel 142 is taken down from the second mold base 62.
The positioning plate 15 is left on the portion of the main board 11 that is formed into the light panel 142, so the positioning plate 15 on the main board 11 needs to be cut and polished before the milling and drilling process is performed on the light panel 142.
As shown in fig. 7, the milling and drilling mechanism 4 is used for milling and drilling the optical panel 142, so that the threading hole 13, the connecting groove 131 and the mounting hole 11 are formed on the optical panel 142, and includes a milling and drilling fixing base 4 and a processing table 41, the processing table 41 is mounted on the milling and drilling fixing base 4, and the processing table 41 is provided with a placing groove 415 corresponding to the shape of the main board 1, the fastening board 12 and the hook board 121. The light panel 142 may be placed in the placement groove 415 with the opposite sides of the light panel 142 in the width direction completely conforming to the walls of the placement groove 415. The fixture assembly 42 is disposed on the processing table 41, and the fixture assembly 42 can be used to clamp and fix the optical panel 142, and subsequent groove milling and drilling can be performed after fixation.
Because the threading hole 13 is an inclined hole, the cutter head of the drill passes through the threading surface 18 of the bone fracture plate during drilling, the end part of the cutter head is easy to directly contact with the processing table 41 to generate interference, as shown in fig. 7 and 8, the processing table 41 is provided with a plurality of abdicating notches 416 communicated with the placing groove 415, the distribution positions of the abdicating notches 416 are arranged corresponding to the threading hole 13, the abdicating notches 416 are arranged at the hole position of the threading hole 13 on the threading surface 18, and the cutter head of the drill passes through the threading surface 18 and then enters the space of the abdicating notches 416 to reduce the probability that the cutter head of the drill directly impacts the processing table 41. Meanwhile, the processing table 41 is provided with a plurality of abdicating notches 416 communicated with the placing groove 415, a picking and placing notch 414 is formed in a position, opposite to the groove wall, of the placing groove 415 on the processing table 41, and after the processing is finished, the picking and placing notch 414 can provide convenience for directly picking the bone fracture plate out of the placing groove 415.
As shown in fig. 7 and 8, the fixture assembly 42 includes an installation rod 421 and a fixture block 422, a plurality of fixture holes 411 are formed on the processing table 41 and around the placement groove 415, and one end of the installation rod 421 is screwed into the fixture holes 411; the latch 422 is coaxially fixed to an end of the mounting rod 421 away from the end screwed into the fixture hole 411, and a latching portion 423 is integrally formed on a sidewall of the latch 422. After the bone plate is placed in the placement groove 415, the mounting rods 421 to the locking portions 423 are rotated to be attached to the upper surface of the main plate 1, and then the clamp assembly 42 can be matched with the placement groove 415 to fix the relative position of the main plate 1 and the processing table 41. For bone plates with different lengths of the main plate 1, the installation quantity and the positions of the clamp assemblies 42 can be adjusted according to the specific situation.
As shown in fig. 7 and 8, the side wall of the fixture block 422 is further integrally formed with a limiting portion 424, the machining table 41 is provided with a yielding groove 412 at the opening of the fixture hole 411, and a limiting rib 413 is provided at the groove wall of the yielding groove 412. When the mounting rod 421 is just screwed into the fixture hole 411, the limiting portion 424 is higher than the limiting rib 413, the two are not in contact with each other, when the mounting rod 421 is continuously rotated to abut against the limiting portion 424 and the limiting rib 413, the mounting rod 421 cannot continuously rotate towards the processing table 41, at this time, the clamping portion 423 is attached to the surface of the main board 1 or the buckling plate 12, so that the possibility that the clamping portion 423 damages the surface of the bone plate due to the fact that the mounting rod 421 is continuously rotated due to human reasons is reduced, meanwhile, the orthographic projection of the clamping portion 423 along the height direction of the processing table 41 does not fall into the abdicating notch 416, and therefore the position where the clamping portion 423 is located cannot cause space influence on drilling of the drill.
In a third aspect, the embodiment of the present application further discloses a process for producing the bone plate, which sequentially comprises the following steps:
s1: bending the plate raw material to form the optical panel 142, wherein the optical panel 142 comprises the main board 1, the buckling board 12 and the hook board 121;
s2: placing the optical panel 142 in the placing slot 415, and clamping the optical panel 142 by using the clamp assembly 42;
s3: placing the machining table in a machining chamber in a CNC machining center, fixing the milling and drilling fixing seat 4 and the machining chamber relatively by using bolts, and milling a connecting groove 131 on the surface of the light panel 142 by using a milling cutter on the CNC machining center;
s4: adjusting a main shaft of the CNC machining center, obliquely drilling a threading hole 13 on the light panel 142 in the S3 by using a drill cutter clamped on the main shaft, enabling the initial position of a cutter head of the drill cutter to abut against two ends of the connecting groove 131, adjusting the angle of the drill cutter to form an included angle of 45 degrees with the horizontal direction, and controlling the drill cutter to obliquely advance by the CNC machining center until the threading hole 13 is formed;
s5: and (3) replacing the drill cutters with different specifications to drill the light panel 142 in the step S4 so as to form the mounting hole 11, removing the clamp assembly 42 after forming, taking out the finished bone fracture plate, and performing the subsequent surface quality treatment process.
When the connecting groove 131 and the threading hole 13 are machined, the connecting groove 131 is milled on the operating surface 16 by the milling cutter, the axis of the threading hole 13 and the operating surface 16 are relatively inclined in the process, and the end groove wall of the connecting groove 131 provides an initial force application point for the tool bit of the drill, so that the directional stability of the drill during feeding is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A bone plate comprises a main plate (1), and is characterized in that: the mainboard (1) is located the relative terminal surface on its thickness direction and is respectively for operation face (16) and contact surface (17), the relative side that mainboard (1) is located on its width direction is threading face (18), a plurality of through wires hole (13) have been seted up on mainboard (1), through wires hole (13) are seted up to one of them by operation face (16) on threading face (18).
2. A bone plate according to claim 1, wherein: threading face (18) are including first threading face and second threading face, all there is the drill way of through wires hole (13) on first threading face and the second threading face, spread groove (131) have been seted up to one side that just is located operation face (16) on mainboard (1), the one end of spread groove (131) with extend to through wires hole (13) drill way intercommunication of operation face (16) by first threading face, the other end with extend to through wires hole (13) drill way intercommunication of operation face (16) by the second threading face.
3. A bone plate according to claim 2, wherein: the groove bottom of the connecting groove (131) and the hole wall of the threading hole (13) are in transition through a fillet.
4. A bone plate according to claim 1, wherein: one end of the main board (1) is provided with a buckling board (12), and one end, far away from the main board (1), of the buckling board (12) is provided with a hook board (121).
5. A plate according to claim 4, wherein: auxiliary wing plates (122) are arranged on opposite side faces of the buckling plates (12), quick-release edges (123) are fixedly connected between the auxiliary wing plates (122) and the buckling plates (12), and the thickness of the quick-release edges (123) is smaller than that of the buckling plates (12).
6. A plate according to claim 4, wherein: the buckling plate (12) is provided with buckling holes (124), and the buckling holes (124) penetrate through the thickness of the buckling plate (12).
7. A processing tool for the bone fracture plate according to any one of claims 4 to 6, characterized in that: the bending machine comprises a bending die and a milling and drilling mechanism (4), wherein the bending die is used for bending the main board (1) of any one of claims 3-4 and forming a buckling board (12) and a hook board (121);
milling and drilling mechanism (4) are used for milling and drilling processing and shaping through wires hole (13) and connecting groove (131) mainboard (1), milling and drilling mechanism (4) are including processing platform (41), offer standing groove (415) that are used for placing mainboard (1) on processing platform (41), set up a plurality of breach of stepping down (416) that communicate with standing groove (415) on processing platform (41), the distributed position of breach of stepping down (416) corresponds the setting with through wires hole (13).
8. A processing tool for a bone plate according to claim 7, characterized in that: the machining table (41) is provided with a clamp assembly (42), the clamp assembly (42) comprises a clamping block (422), the clamping block (422) is detachably mounted on the machining table (41), a clamping part (423) is connected to the side wall of the clamping block (422), and the clamping part (423) is in contact with the operation surface (16) of the main board (1).
9. A processing tool for a bone plate according to claim 8, characterized in that: the fixture block (422) is fixedly connected with an installation rod (421), and the installation rod (421) is in threaded connection with the machining table (41);
spacing portion (424) of fixedly connected with on fixture block (422), be equipped with spacing flange (413) on processing platform (41), when fixture block (422) rotated spacing portion (424) and spacing flange (413) butt, screens portion (423) and the operating surface (16) contact of mainboard (1), screens portion (423) do not fall into to stepping down breach (416) along the orthographic projection of processing platform (41) direction of height.
10. The processing technology of the bone fracture plate is characterized in that: the machining process applies the machining tool of the bone plate of claim 8 or 9 and comprises the following steps:
s1: bending the plate raw material by using a bending die to form a light panel (142), wherein the light panel (142) comprises a main board (1), a buckling board (12) and a hook board (121);
s2: placing the smooth face (142) plate in S1 in a placement slot (415);
s3: and processing a connecting groove (131) and a threading hole (13) on the light panel (142) which is arranged in the placing groove (415) in the S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111192039.4A CN113995491B (en) | 2021-10-13 | 2021-10-13 | Processing technology of proximal femur fracture plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111192039.4A CN113995491B (en) | 2021-10-13 | 2021-10-13 | Processing technology of proximal femur fracture plate |
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| Publication Number | Publication Date |
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| CN113995491A true CN113995491A (en) | 2022-02-01 |
| CN113995491B CN113995491B (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111192039.4A Active CN113995491B (en) | 2021-10-13 | 2021-10-13 | Processing technology of proximal femur fracture plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283497A (en) * | 2022-10-08 | 2022-11-04 | 丽途(苏州)医疗科技有限公司 | Bone fracture plate bending processing equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11276501A (en) * | 1998-03-27 | 1999-10-12 | Bristol-Myers Squibb Kk | Bone joining device |
| WO2004026160A1 (en) * | 2002-09-18 | 2004-04-01 | Haci Kutlu | Compression plate for osteosynsthesis |
| US20050021033A1 (en) * | 2001-02-16 | 2005-01-27 | Claudius Zeiler | Implant plate, method and facility for the manufacture thereof |
| US20060235401A1 (en) * | 2000-02-03 | 2006-10-19 | Pioneer Laboratories, Inc. | Apparatus and method for repairing the femur |
| US20140243829A1 (en) * | 2013-02-27 | 2014-08-28 | Biomet C.V. | Periprosthetic Plating System with Compressive Plate and Transverse Bridge Plate |
| CN205947847U (en) * | 2016-06-17 | 2017-02-15 | 山东省交通医院 | Board around false body and fixed knot constructs thereof |
| CN111281517A (en) * | 2020-03-30 | 2020-06-16 | 北京市春立正达医疗器械股份有限公司 | Hip joint fracture steel plate |
| US20200397489A1 (en) * | 2019-06-24 | 2020-12-24 | Nextremity Solutions, Inc. | Fracture fixation system and method |
| CN113197647A (en) * | 2021-06-01 | 2021-08-03 | 上海市东方医院（同济大学附属东方医院） | Proximal radius lateral bone fracture plate |
| CN214073548U (en) * | 2020-11-04 | 2021-08-31 | 山东威高骨科材料股份有限公司 | Clavicle hook steel plate |
-
2021
- 2021-10-13 CN CN202111192039.4A patent/CN113995491B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11276501A (en) * | 1998-03-27 | 1999-10-12 | Bristol-Myers Squibb Kk | Bone joining device |
| US20060235401A1 (en) * | 2000-02-03 | 2006-10-19 | Pioneer Laboratories, Inc. | Apparatus and method for repairing the femur |
| US20050021033A1 (en) * | 2001-02-16 | 2005-01-27 | Claudius Zeiler | Implant plate, method and facility for the manufacture thereof |
| WO2004026160A1 (en) * | 2002-09-18 | 2004-04-01 | Haci Kutlu | Compression plate for osteosynsthesis |
| US20140243829A1 (en) * | 2013-02-27 | 2014-08-28 | Biomet C.V. | Periprosthetic Plating System with Compressive Plate and Transverse Bridge Plate |
| CN205947847U (en) * | 2016-06-17 | 2017-02-15 | 山东省交通医院 | Board around false body and fixed knot constructs thereof |
| US20200397489A1 (en) * | 2019-06-24 | 2020-12-24 | Nextremity Solutions, Inc. | Fracture fixation system and method |
| CN111281517A (en) * | 2020-03-30 | 2020-06-16 | 北京市春立正达医疗器械股份有限公司 | Hip joint fracture steel plate |
| CN214073548U (en) * | 2020-11-04 | 2021-08-31 | 山东威高骨科材料股份有限公司 | Clavicle hook steel plate |
| CN113197647A (en) * | 2021-06-01 | 2021-08-03 | 上海市东方医院（同济大学附属东方医院） | Proximal radius lateral bone fracture plate |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283497A (en) * | 2022-10-08 | 2022-11-04 | 丽途(苏州)医疗科技有限公司 | Bone fracture plate bending processing equipment |
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| CN113995491B (en) | 2023-01-06 |
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