CN107260290A - A kind of marmem bone plate external member - Google Patents

A kind of marmem bone plate external member Download PDF

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Publication number
CN107260290A
CN107260290A CN201710633737.0A CN201710633737A CN107260290A CN 107260290 A CN107260290 A CN 107260290A CN 201710633737 A CN201710633737 A CN 201710633737A CN 107260290 A CN107260290 A CN 107260290A
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mainboard body
arm
anchor ear
bone plate
memory alloy
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CN201710633737.0A
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CN107260290B (en
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李峰
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Nanjing Manhua Biotechnology Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical 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
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/80Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
    • A61B17/8004Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831Material properties
    • A61B2017/00867Material properties shape memory effect
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564Methods for bone or joint treatment
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2217/00General characteristics of surgical instruments
    • A61B2217/002Auxiliary appliance

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Neurology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Prostheses (AREA)
  • Surgical Instruments (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

The invention discloses a kind of marmem bone plate external member, include memory alloy plate osteosynthesis, cool down main frame, and connection cools down the joint of main frame and memory alloy plate osteosynthesis;The memory alloy plate osteosynthesis includes mainboard body and is integrally formed multigroup anchor ear arm in mainboard body both sides, two arm ends of every group of anchor ear arm form the engaging arm that position is mutually staggered respectively, and two relative side walls of engaging arm form the latch for being mutually clamped positioning;Cooling pipe is provided with mainboard body and each group the anchor ear arm, the external wall of mainboard is provided with the inlet opening and fluid hole being connected respectively with cooling pipe two ends;By setting cooling pipe inside memory alloy plate osteosynthesis, can be before bone plate be removed by cooling down the cooling water that main frame coordinates joint connection bone plate to be passed through less than 5 DEG C into cooling pipe, bone plate is set uniformly to be cooled down, beneficial to smoothly and rapidly remove bone plate, further shorten operating time.

Description

A kind of marmem bone plate external member
Technical field
The invention belongs to medical instruments field, and in particular to a kind of memory alloy plate osteosynthesis external member.
Background technology
Marmem has the SME related to temperature, hardness reduction easy modeling when being placed in cold medium Shape, when temperature is raised, produces restoring force and screen resilience, voluntarily returns back to original shape.Why marmem, which has, becomes Shape recovery capability, is because having in the thermoelastic martensitic transformation that material internal occurs in deformation process, marmem Two kinds of phases:High-temperature-phase austenite phase, low-temperature phase martensitic phase, according to different heating power load-up conditions, marmem is presented Go out two kinds of performances.Because its is easy for installation, operating time can be shortened, patient suffering is reduced, increasing bone plate is adopted at present Made of marmem.But current memory alloy plate osteosynthesis still suffers from following defect, removed after injury of the bone healing , it is necessary to less than 5 DEG C of sterile saline gauze equably cold compress bone plate, open the anchor ear on bone plate during bone plate Arm, could take out bone plate, and due to being difficult to using gauze completely with bone plate, each position is fitted, prevent bone plate from It is cooled completely, still suffers from difficulty when removing bone plate, extend operating time.
The content of the invention
The technical problems to be solved by the invention are:In view of the deficienciess of the prior art, providing a kind of new structure Memory alloy plate osteosynthesis external member.
To realize the purpose of the present invention, it is achieved using following technical scheme:A kind of marmem synthetism sleeve-board Part, includes memory alloy plate osteosynthesis, cools down main frame, and connection cools down the joint of main frame and memory alloy plate osteosynthesis;
The memory alloy plate osteosynthesis includes mainboard body and is integrally formed multigroup anchor ear arm in mainboard body both sides, and every group is embraced Two arm ends of hoop arm form the engaging arm that position is mutually staggered respectively, and two relative side walls of engaging arm form phase The latch that mutually engaging is positioned;Cooling pipe is provided with mainboard body and each group the anchor ear arm, the external wall of mainboard, which is provided with, to be divided The inlet opening and fluid hole not being connected with cooling pipe two ends;
On one support arm of every group of anchor ear arm side convex portion, side are formed with engaging arm homonymy side close to the position of mainboard body The end of convex portion is bent to mainboard body direction;
Described inlet opening and fluid hole are located at one end end position of mainboard body;The cooling pipe is included along mainboard body side The main pipeline of edge arrangement, the Outer Tube arranged along anchor ear arm edge, and along the interior conduit of Outer Tube disposed inboard, it is described Outer Tube extends to engaging arm terminal position;Said inner tube road in each anchor ear arm is connected with main pipeline respectively with Outer Tube; The cross-sectional area of the main pipeline be Outer Tube, 1.2-1.4 times of interior conduit cross-sectional area sum;The cross section of the Outer Tube Product is the 1/2-2/3 of interior conduit cross-sectional area;
In the range of the mainboard body and anchor ear arm are internally located at main pipeline and each interior conduit surrounds, and each anchor ear arm Interior conduit, the scope between Outer Tube be provided with the copper material bed of material, mainboard body and anchor ear arm outer layer are shape memory alloy material layer;
The mainboard body is in elongated rectangular shape shape, and mainboard body intermediary form has the rectangular aperture of a strip, and mainboard body is upper The tensioned lines of more than three are connected between two long sides of rectangular aperture, described tensioned lines one end is fixedly connected with a long side, The other end is fixedly connected with an adjusting screw, and adjusting screw is connected with mainboard body by thread interference;
The cooling main frame includes housing, and housing is interior will to be divided into a water storage cavity and one provided with a metal partion (metp) in housing Individual electric chamber;Correspondence water storage cavity is provided with water filling port, water filling port and is sealedly connected with lid, the housing above the housing The position of side's correspondence water storage cavity, which is provided with the connection-peg being connected with joint, connection-peg, has two fluid passages;The water storage cavity Liquid pump is inside installed, the outlet of liquid pump is connected with a fluid passage;The electric intracavitary is provided with refrigerating sheet, circuit board and storage Battery, the huyashi-chuuka (cold chinese-style noodles) of the refrigerating sheet is connected on metal partion (metp);The lateral wall of the housing correspondence water storage cavity is provided with control liquid The button switch of pump work, the side wall of the electric chamber of the housing correspondence is provided with the toggle switch of control refrigerating sheet;The button Switch, toggle switch, refrigerating sheet and battery are connected with circuit board respectively;Formed on the two side of the housing beneficial to grasping At least one set of raised line;
Described joint include with connection-peg coordinate grafting grafting set, and be connected to grafting set below feed liquor intubation and Return liquid intubation;Feed liquor intubation, return liquid intubation respectively with inlet opening, fluid hole grafting;Feed liquor is intubated and returned outside the end of liquid intubation Wall is arranged with silica gel sheath;The feed liquor intubation and time liquid cannula end are also associated with sealing-plug.
Compared with prior art, the beneficial effects of the invention are as follows:By setting cooling inside memory alloy plate osteosynthesis Pipeline, can remove bone plate before by cool down main frame coordinate joint connect bone plate less than 5 DEG C are passed through into cooling pipe Cooling water, bone plate is uniformly cooled down, beneficial to smoothly and rapidly remove bone plate, when further shorten operation Between.
Brief description of the drawings
Fig. 1 is the structural representation of bone plate.
Fig. 2 is the internal structure schematic diagram of bone plate.
Fig. 3 is Fig. 2 A-A to structural representation.
Fig. 4 is to cool down structural representation when main frame is in confined state with joint.
Fig. 5 is to cool down structural representation when main frame is in released state with joint.
Fig. 6 is the internal structure schematic diagram for cooling down main frame.
Fig. 7 is another structural representation of bone plate.
1st, mainboard body;2nd, anchor ear arm;21st, engaging arm;22nd, side convex portion;3rd, inlet opening;4th, fluid hole;5th, cooling pipe; 51st, main pipeline;52nd, Outer Tube;53rd, interior conduit;6th, the copper material bed of material;7th, main frame is cooled down;71st, housing;72nd, water filling port;73rd, it is convex Bar;74th, button switch;75th, connection-peg;76th, liquid pump;77th, refrigerating sheet;78th, circuit board;79th, battery;8th, joint;81st, grafting Set;82nd, feed liquor is intubated;83rd, liquid intubation is returned;9th, tensioned lines;91st, adjusting screw.
Embodiment
The embodiment of the present invention is made a detailed explanation below according to accompanying drawing.
Embodiment 1
According to Fig. 1 to Fig. 6, the present embodiment is a kind of marmem bone plate external member, includes memorial alloy synthetism Plate, cools down main frame 7, and connection cools down the joint 8 of main frame and memory alloy plate osteosynthesis;
The memory alloy plate osteosynthesis includes mainboard body 1 and is integrally formed multigroup anchor ear arm 2 in mainboard body both sides, every group Two arm ends of anchor ear arm form the engaging arm 21 mutually staggered position, the relative side wall shaping of two engaging arm respectively There is the latch for being mutually clamped positioning;It is provided with cooling pipe 5, the external wall of mainboard and sets in mainboard body and each group the anchor ear arm There are the inlet opening 3 and fluid hole 4 being connected respectively with cooling pipe two ends.Every group of anchor ear after the memory alloy plate osteosynthesis is installed Two support arms of arm coordinate the locking ring-type for forming a closing together by the latch in engaging arm, and fixing intensity is high, more Beneficial to hindering symphysis, and it compensate for the intensity decreases that the bone plate hollow-core construction is caused.
Described inlet opening and fluid hole are located at one end end position of mainboard body;The cooling pipe is included along mainboard The main pipeline 51 of body edge arrangement, the Outer Tube 52 arranged along anchor ear arm edge, and along in Outer Tube disposed inboard Pipeline 53, the Outer Tube extends to engaging arm terminal position;Said inner tube road in each anchor ear arm and Outer Tube respectively with Main pipeline is connected;The cross-sectional area of the main pipeline be Outer Tube, 1.3 times of interior conduit cross-sectional area sum;The Outer Tube Cross-sectional area be interior conduit cross-sectional area 2/3.
In the range of the mainboard body and anchor ear arm are internally located at main pipeline and each interior conduit surrounds, and each armful Bind round the scope between the interior conduit of arm, Outer Tube and be provided with the copper material bed of material 6, mainboard body and anchor ear arm outer layer are marmem material The bed of material.
The mainboard body is in elongated rectangular shape shape, and mainboard body intermediary form has the rectangular aperture of a strip, mainboard body The upper tensioned lines 9 that more than three are connected between two long sides of rectangular aperture, described tensioned lines one end is fixed with a long side Connection, the other end is fixedly connected with an adjusting screw 91, and adjusting screw is connected with mainboard body by thread interference;
With reference to shown in Fig. 7, the cooling main frame includes housing 71, and housing is interior will to be divided into provided with a metal partion (metp) in housing One water storage cavity and an electric chamber;Correspondence water storage cavity is provided with water filling port, water filling port and is sealedly connected with above the housing The position of correspondence water storage cavity, which is provided with the connection-peg 75 being connected with joint, connection-peg, below lid 72, the housing has two Fluid passage;Liquid pump 76 is installed, the outlet of liquid pump is connected with a fluid passage in the water storage cavity;The electric intracavitary peace Equipped with refrigerating sheet 77, circuit board 78 and battery 79, the huyashi-chuuka (cold chinese-style noodles) of the refrigerating sheet is connected on metal partion (metp);The housing correspondence The lateral wall of water storage cavity is provided with the button switch 74 of control liquid pump work, and the side wall of the electric chamber of the housing correspondence is provided with control The toggle switch of refrigerating sheet processed;The button switch, toggle switch, refrigerating sheet and battery are connected with circuit board respectively;It is described At least one set of raised line 73 beneficial to grasping is formed on the two side of housing.
Described joint 8 includes the grafting set 81 for coordinating grafting with connection-peg, and is connected to entering below grafting set Liquid intubation 82 and return liquid intubation 83, feed liquor intubation, return liquid intubation respectively with inlet opening, fluid hole grafting;Feed liquor is intubated and returned liquid The end sleeve of intubation is provided with silica gel sheath, is tightly connected beneficial to inlet opening, fluid hole.The feed liquor intubation and time liquid cannula end Sealing-plug is also associated with, is extracted again when needing cooling bone plate, it is to avoid the liquid outflow in cooling main frame.Described joint 8 Can correspondingly it be selected according to inlet opening, the specification of fluid hole, distance on bone plate so that cooling main frame can be from different rule The bone plate adapted of lattice.
Remove before memory alloy plate osteosynthesis, on the connection-peg that the joint of corresponding specification is set to cooling main frame, cooling down Saline injection in the water storage cavity of main frame, starts refrigerating sheet by toggle switch and works, make physiological saline temperature drop to 5 DEG C Hereinafter, the sealing-plug for then pulling out the intubation of feed liquor on joint and returning in liquid intubation, by feed liquor be intubated and return liquid intubation and inlet opening, Fluid hole is docked, and is then pressed button switch and is started liquid pump, the physiological saline through cooling circulates docking along cooling pipe Hone lamella is cooled down, and is reached to synthetism plate temperature and cooling main frame is removed after requirement, pull down bone plate.
Embodiment 2
With reference to shown in Fig. 7, the present embodiment adds following feature on the basis of embodiment 1:One support arm of every group of anchor ear arm The upper position with the close mainboard body in engaging arm homonymy side forms side convex portion 22, and the end of side convex portion is to mainboard body direction Bending.
Due to being in the muscle depths of synthetism position after the engaging arm engaging on every group of anchor ear arm, it is unfavorable for removing bone plate When anchor ear arm is unclamped, the side convex portion is easy to a support arm toward breaking into two with one's hands away from latch side, is taken apart beneficial to convenient and strength-saving Anchor ear arm.
Embodiment 3
The present embodiment and the difference of embodiment 1 or 2 are:Formed on described mainboard body for leading to that tensioned lines one end is passed through Hole, the external wall of mainboard then forms the screw hole of connection adjusting screw perpendicular to the position of through hole.Locate after bone plate is cooled In plastic shape state, now adjust the width of mainboard body to suitable, further tensioned lines, then by adjusting screw locking so as to will Tight rope is compressed, and such fixing intensity is higher than embodiment 1 or 2.

Claims (1)

1. a kind of marmem bone plate external member, it is characterised in that:Include memory alloy plate osteosynthesis, cool down main frame, with And the joint of connection cooling main frame and memory alloy plate osteosynthesis;
The memory alloy plate osteosynthesis includes mainboard body and is integrally formed multigroup anchor ear arm in mainboard body both sides, and every group is embraced Two arm ends of hoop arm form the engaging arm that position is mutually staggered respectively, and two relative side walls of engaging arm form phase The latch that mutually engaging is positioned;Cooling pipe is provided with mainboard body and each group the anchor ear arm, the external wall of mainboard, which is provided with, to be divided The inlet opening and fluid hole not being connected with cooling pipe two ends;
On one support arm of every group of anchor ear arm side convex portion, side are formed with engaging arm homonymy side close to the position of mainboard body The end of convex portion is bent to mainboard body direction;
Described inlet opening and fluid hole are located at one end end position of mainboard body;The cooling pipe is included along mainboard body side The main pipeline of edge arrangement, the Outer Tube arranged along anchor ear arm edge, and along the interior conduit of Outer Tube disposed inboard, it is described Outer Tube extends to engaging arm terminal position;Said inner tube road in each anchor ear arm is connected with main pipeline respectively with Outer Tube; The cross-sectional area of the main pipeline be Outer Tube, 1.2-1.4 times of interior conduit cross-sectional area sum;The cross section of the Outer Tube Product is the 1/2-2/3 of interior conduit cross-sectional area;
In the range of the mainboard body and anchor ear arm are internally located at main pipeline and each interior conduit surrounds, and each anchor ear arm Interior conduit, the scope between Outer Tube be provided with the copper material bed of material, mainboard body and anchor ear arm outer layer are shape memory alloy material layer;
The mainboard body is in elongated rectangular shape shape, and mainboard body intermediary form has the rectangular aperture of a strip, and mainboard body is upper The tensioned lines of more than three are connected between two long sides of rectangular aperture, described tensioned lines one end is fixedly connected with a long side; The through hole passed through for tensioned lines one end is formed on described mainboard body, the external wall of mainboard is then formed perpendicular to the position of through hole Connect the screw hole of adjusting screw;Plastic shape state is in after bone plate is cooled, the width for now adjusting mainboard body is extremely closed Suitable, further tensioned lines, then locks to compress tensioned lines by adjusting screw;
On one support arm of every group of anchor ear arm side convex portion, side are formed with engaging arm homonymy side close to the position of mainboard body The end of convex portion is bent to mainboard body direction;
The cooling main frame includes housing, and housing is interior will to be divided into a water storage cavity and one provided with a metal partion (metp) in housing Individual electric chamber;Correspondence water storage cavity is provided with water filling port, water filling port and is sealedly connected with lid, the housing above the housing The position of side's correspondence water storage cavity, which is provided with the connection-peg being connected with joint, connection-peg, has two fluid passages;The water storage cavity Liquid pump is inside installed, the outlet of liquid pump is connected with a fluid passage;The electric intracavitary is provided with refrigerating sheet, circuit board and storage Battery, the huyashi-chuuka (cold chinese-style noodles) of the refrigerating sheet is connected on metal partion (metp);The lateral wall of the housing correspondence water storage cavity is provided with control liquid The button switch of pump work, the side wall of the electric chamber of the housing correspondence is provided with the toggle switch of control refrigerating sheet;The button Switch, toggle switch, refrigerating sheet and battery are connected with circuit board respectively;Formed on the two side of the housing beneficial to grasping At least one set of raised line;
Described joint include with connection-peg coordinate grafting grafting set, and be connected to grafting set below feed liquor intubation and Return liquid intubation;Feed liquor intubation, return liquid intubation respectively with inlet opening, fluid hole grafting;Feed liquor is intubated and returned outside the end of liquid intubation Wall is arranged with silica gel sheath;The feed liquor intubation and time liquid cannula end are also associated with sealing-plug.
CN201710633737.0A 2015-12-24 2015-12-24 A kind of marmem bone plate external member Active CN107260290B (en)

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CN107260290B (en) * 2015-12-24 2019-06-28 南京曼华生物科技有限公司 A kind of marmem bone plate external member
CN107510501B (en) * 2017-10-20 2023-11-24 济南大学 Bone fracture plate
CN110345138B (en) * 2019-06-21 2021-02-26 华中科技大学 Bionic intelligent separation and connection device based on 4D printing
CN113940745A (en) * 2021-11-01 2022-01-18 医诺睿康(北京)科技有限公司 Memory alloy bone fracture plate

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