CN105496536A - Shape memory alloy bone plate kit - Google Patents

Shape memory alloy bone plate kit Download PDF

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Publication number
CN105496536A
CN105496536A CN201510989040.8A CN201510989040A CN105496536A CN 105496536 A CN105496536 A CN 105496536A CN 201510989040 A CN201510989040 A CN 201510989040A CN 105496536 A CN105496536 A CN 105496536A
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CN
China
Prior art keywords
mainboard body
memory alloy
arm
anchor ear
bone plate
Prior art date
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Granted
Application number
CN201510989040.8A
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Chinese (zh)
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CN105496536B (en
Inventor
李峰
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Liu Lei
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Individual
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Publication date
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Priority to CN201510989040.8A priority Critical patent/CN105496536B/en
Priority to CN201710633062.XA priority patent/CN107280754B/en
Priority to CN201710633737.0A priority patent/CN107260290B/en
Publication of CN105496536A publication Critical patent/CN105496536A/en
Application granted granted Critical
Publication of CN105496536B publication Critical patent/CN105496536B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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

Abstract

The invention discloses a shape memory alloy bone plate kit. The shape memory alloy bone plate kit comprises a memory alloy bone plate, a cooling host and a connector for connecting the cooling host with the memory alloy bone plate; the memory alloy bone plate comprises a main plate body and multiple sets of hoop arms integrally formed at the two sides of the main plate body, clamping arms staggered in position are formed at the ends of two branch arms in each set of hoop arms, and clamping teeth clamped for positioning are formed on the opposite side walls of every two clamping arms; a cooling pipeline is arranged in the main plate body and all the sets of hoop arms, and a liquid inlet hole and a liquid outlet hole which are communicated with the two ends of the cooling pipeline respectively are formed in the outer wall of the main plate body. As the cooling pipeline is arranged in the memory alloy bone plate, cooling water at the temperature below 5 DEG C can be introduced into the cooling pipeline by connecting the bone plate through the cooling host in cooperation with the connector before the bone plate is disassembled, the bone plate is cooled evenly, which is beneficial for disassembling the bone plate smoothly and fast, and the operation time is further shortened.

Description

A kind of marmem blade plate external member
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of memory alloy plate osteosynthesis external member.
Background technology
Marmem has the shape memory effect with temperature correlation, and when being placed in cold medium, hardness reduces easily moulding, when temperature raises, produces restoring force and resilience force, returns back to original shape voluntarily.Why marmem has recoverable force ability, because the thermoelastic martensitic transformation that in deformation process, material internal occurs, there are two kinds of phases: high-temperature-phase austenite phase in marmem, low-temperature phase martensitic phase, according to different heating power load-up conditions, marmem presents two kinds of performances.Because it is easy for installation, can shorten operating time, reduce patient suffering, increasing blade plate have employed marmem to make at present.But still there is following defect in current memory alloy plate osteosynthesis, when removing blade plate after injury of the bone healing, need the physiological saline solution gauze cold compress blade plate equably with less than 5 DEG C, open the anchor ear arm on blade plate, blade plate could be taken out, be difficult to accomplish completely owing to using gauze and fit in each position of blade plate, make blade plate can not be completely cooled, still have difficulties when removing blade plate, extend operating time.
Summary of the invention
Technical problem to be solved by this invention is: the deficiency existed for prior art, provides a kind of memory alloy plate osteosynthesis external member of new structure.
For realizing the object of the present invention, be achieved by the following technical solutions: a kind of marmem blade plate external member, includes memory alloy plate osteosynthesis, cooling main frame, and connect the joint of cooling main frame and memory alloy plate osteosynthesis;
Described memory alloy plate osteosynthesis includes mainboard body and one-body molded many groups anchor ear arm in mainboard body both sides, two arm ends often organizing anchor ear arm form the engaging arm mutually staggered position respectively, and the relative sidewall of two engaging arm forms the latch of engaging location mutually; Be provided with cooling pipe in described mainboard body and each group anchor ear arm, the external wall of described mainboard is provided with the inlet opening and liquid outlet that are connected with cooling pipe two ends respectively;
The support arm often organizing anchor ear arm forms a side protuberance with engaging arm homonymy side near the position of mainboard body, and the end of side protuberance is bending to mainboard body direction;
Described inlet opening and liquid outlet are positioned at one end end position of mainboard body; Described cooling pipe comprises the main pipeline along mainboard body edge placement, and along the Outer Tube of anchor ear arm edge placement, and along the interior conduit of Outer Tube disposed inboard, described Outer Tube extends to engaging arm terminal position; Described interior conduit in each anchor ear arm is communicated with main pipeline respectively with Outer Tube; The cross-sectional area of described main pipeline be Outer Tube, interior conduit cross-sectional area sum 1.2-1.4 doubly; The cross-sectional area of described Outer Tube is the 1/2-2/3 of interior conduit cross-sectional area;
Described mainboard body and anchor ear arm inside are positioned at the scope that main pipeline and each interior conduit surround, and the interior conduit of each anchor ear arm, scope between Outer Tube are provided with the copper material bed of material, and mainboard body and anchor ear arm skin are shape memory alloy material layer;
Described mainboard body is elongated rectangular shape shape, mainboard body intermediary form has the rectangular aperture of a strip, mainboard body is connected with between two of rectangular aperture long limits the tensioned lines of more than three, described tensioned lines one end is fixedly connected with a long limit, the other end is fixedly connected with an adjustment screw, and adjustment screw and mainboard body are connected by thread interference;
Described cooling main frame includes housing, and being provided with a metal partion (metp) in housing will be divided into a water storage cavity and an electric chamber in housing; Above described housing, corresponding water storage cavity is provided with water filling port, and water filling port is sealedly connected with lid, and below described housing, the position of corresponding water storage cavity is provided with the connection-peg be connected with joint, connection-peg has two fluid passages; Be provided with liquid pump in described water storage cavity, liquid delivery side of pump is connected with a fluid passage; Described electric intracavity is provided with refrigerating sheet, circuit board and accumulator, and the huyashi-chuuka (cold chinese-style noodles) of described refrigerating sheet is connected on metal partion (metp); The lateral wall of the corresponding water storage cavity of described housing is provided with the press button controlling liquid pump work, and the sidewall in the corresponding electrically chamber of described housing is provided with the toggle switch controlling refrigerating sheet; Described press button, toggle switch, refrigerating sheet and accumulator are connected with circuit board respectively; The two side of described housing forms at least one group of raised line being beneficial to and grasping;
Described joint includes the grafting cover coordinating grafting with connection-peg, and is connected to the feed liquor intubate of grafting cover below and returns liquid intubate; Feed liquor intubate, return liquid intubate respectively with inlet opening, liquid outlet grafting; The end outer wall of feed liquor intubate and time liquid intubate is arranged with silica gel sheath; Described feed liquor intubate and time liquid cannula end are also connected with sealing-plug.
Compared with prior art, the invention has the beneficial effects as follows: by arranging cooling pipe in memory alloy plate osteosynthesis inside, can coordinate joint connection blade plate in cooling pipe, pass into the cooling water of less than 5 DEG C by cooling main frame before removing blade plate, blade plate is made to obtain Homogeneous cooling, be beneficial to smoothly and remove blade plate rapidly, further shorten operating time.
Accompanying drawing explanation
Fig. 1 is the structural representation of blade plate.
Fig. 2 is the internal structure schematic diagram of blade plate.
Fig. 3 is that the A-A of Fig. 2 is to structural representation.
Fig. 4 is cooling main frame and joint structural representation when being in confined state.
Fig. 5 is cooling main frame and joint structural representation when being in released state.
Fig. 6 is the internal structure schematic diagram of cooling main frame.
Fig. 7 is the another kind of structural representation of blade plate.
1, mainboard body; 2, anchor ear arm; 21, engaging arm; 22, side protuberance; 3, inlet opening; 4, liquid outlet; 5, cooling pipe; 51, main pipeline; 52, Outer Tube; 53, interior conduit; 6, the copper material bed of material; 7, main frame is cooled; 71, housing; 72, water filling port; 73, raised line; 74, press button; 75, connection-peg; 76, liquid pump; 77, refrigerating sheet; 78, circuit board; 79, accumulator; 8, joint; 81, grafting cover; 82, feed liquor intubate; 83, liquid intubate is returned; 9, tensioned lines; 91, adjustment screw.
Detailed description of the invention
With reference to the accompanying drawings the specific embodiment of the present invention is made a detailed explanation below.
Embodiment 1
According to shown in Fig. 1 to Fig. 6, the present embodiment is a kind of marmem blade plate external member, includes memory alloy plate osteosynthesis, cooling main frame 7, and connects the joint 8 of cooling main frame and memory alloy plate osteosynthesis;
Described memory alloy plate osteosynthesis includes mainboard body 1 and one-body molded many groups anchor ear arm 2 in mainboard body both sides, two arm ends often organizing anchor ear arm form the latch that engaging arm 21, two sidewalls that engaging arm is relative mutually staggered position form engaging location mutually respectively; Be provided with cooling pipe 5 in described mainboard body and each group anchor ear arm, the external wall of described mainboard is provided with the inlet opening 3 and liquid outlet 4 that are connected with cooling pipe two ends respectively.Described memory alloy plate osteosynthesis often organizes anchor ear arm two support arms after installing are engaging in together by the latch cooperation in engaging arm, form a closed ring-type, constant intensity is high, is more conducive to hinder symphysis, and compensate for the intensity that this blade plate hollow-core construction causes and reduce.
Described inlet opening and liquid outlet are positioned at one end end position of mainboard body; Described cooling pipe comprises the main pipeline 51 along mainboard body edge placement, and along the Outer Tube 52 of anchor ear arm edge placement, and along the interior conduit 53 of Outer Tube disposed inboard, described Outer Tube extends to engaging arm terminal position; Described interior conduit in each anchor ear arm is communicated with main pipeline respectively with Outer Tube; The cross-sectional area of described main pipeline be Outer Tube, 1.3 times of interior conduit cross-sectional area sum; The cross-sectional area of described Outer Tube is 2/3 of interior conduit cross-sectional area.
Described mainboard body and anchor ear arm inside are positioned at the scope that main pipeline and each interior conduit surround, and the interior conduit of each anchor ear arm, scope between Outer Tube are provided with the copper material bed of material 6, and mainboard body and anchor ear arm skin are shape memory alloy material layer.
Described mainboard body is elongated rectangular shape shape, mainboard body intermediary form has the rectangular aperture of a strip, mainboard body is connected with between two of rectangular aperture long limits the tensioned lines 9 of more than three, described tensioned lines one end is fixedly connected with a long limit, the other end is fixedly connected with an adjustment screw 91, and adjustment screw and mainboard body are connected by thread interference;
Shown in composition graphs 7, described cooling main frame includes housing 71, and being provided with a metal partion (metp) in housing will be divided into a water storage cavity and an electric chamber in housing; Above described housing, corresponding water storage cavity is provided with water filling port, water filling port is sealedly connected with lid 72, and below described housing, the position of corresponding water storage cavity is provided with the connection-peg 75 be connected with joint, connection-peg has two fluid passages; Be provided with liquid pump 76 in described water storage cavity, liquid delivery side of pump is connected with a fluid passage; Described electric intracavity is provided with refrigerating sheet 77, circuit board 78 and accumulator 79, and the huyashi-chuuka (cold chinese-style noodles) of described refrigerating sheet is connected on metal partion (metp); The lateral wall of the corresponding water storage cavity of described housing is provided with the press button 74 controlling liquid pump work, and the sidewall in the corresponding electrically chamber of described housing is provided with the toggle switch controlling refrigerating sheet; Described press button, toggle switch, refrigerating sheet and accumulator are connected with circuit board respectively; The two side of described housing forms at least one group of raised line 73 being beneficial to and grasping.
Described joint 8 includes and coordinates with connection-peg the grafting of grafting to overlap 81, and is connected to the feed liquor intubate 82 of grafting cover below and returns liquid intubate 83, feed liquor intubate, return liquid intubate respectively with inlet opening, liquid outlet grafting; The end sleeve of feed liquor intubate and time liquid intubate is provided with silica gel sheath, is beneficial to and is tightly connected with inlet opening, liquid outlet.Described feed liquor intubate and time liquid cannula end are also connected with sealing-plug, extract again, avoid the liquid cooled in main frame to flow out when needs cooling blade plate.Described joint 8 can according to the specification of inlet opening, liquid outlet on blade plate, distance correspondingly select, make cooling main frame can with the blade plate adapted of different size.
Before removing memory alloy plate osteosynthesis, the joint of corresponding specification is set on the connection-peg of cooling main frame, saline injection in the water storage cavity of cooling main frame, refrigerating sheet work is started by toggle switch, normal saline temperature is made to drop to less than 5 DEG C, then feed liquor intubate and the sealing-plug returned in liquid intubate on joint is pulled out, by feed liquor intubate and time liquid intubate and inlet opening, liquid outlet docks, then switch activated liquid pump is pressed the button, normal saline through cooling circulates along cooling pipe and cools blade plate, cooling main frame is removed after blade plate temperature reaches requirement, pull down blade plate.
Embodiment 2
Shown in composition graphs 7, the present embodiment, on the basis of embodiment 1, adds following feature: the support arm often organizing anchor ear arm forms a side protuberance 22 with engaging arm homonymy side near the position of mainboard body, and the end of side protuberance is bending to mainboard body direction.
After often organizing the engaging arm engaging on anchor ear arm, be in the muscle depths of synthetism position, be unfavorable for being unclamped by anchor ear arm when removing blade plate, described side protuberance to be convenient to a support arm, toward breaking into two with one's hands away from latch side, be beneficial to and take anchor ear arm convenient and strength-savingly apart.
Embodiment 3
The difference of the present embodiment and embodiment 1 or 2 is: described mainboard body forms the through hole passed for tensioned lines one end, and the external wall of mainboard then forms perpendicular to the position of through hole the screw hole connecting adjustment screw.After blade plate is cooled, be in shaping state, now adjust the width of mainboard body to suitable, further tensioned lines, and adjustment screw locked subsequently thus tensioned lines compressed, such constant intensity is higher than embodiment 1 or 2.

Claims (1)

1. a marmem blade plate external member, is characterized in that: include memory alloy plate osteosynthesis, cooling main frame, and connects the joint of cooling main frame and memory alloy plate osteosynthesis;
Described memory alloy plate osteosynthesis includes mainboard body and one-body molded many groups anchor ear arm in mainboard body both sides, two arm ends often organizing anchor ear arm form the engaging arm mutually staggered position respectively, and the relative sidewall of two engaging arm forms the latch of engaging location mutually; Be provided with cooling pipe in described mainboard body and each group anchor ear arm, the external wall of described mainboard is provided with the inlet opening and liquid outlet that are connected with cooling pipe two ends respectively;
The support arm often organizing anchor ear arm forms a side protuberance with engaging arm homonymy side near the position of mainboard body, and the end of side protuberance is bending to mainboard body direction;
Described inlet opening and liquid outlet are positioned at one end end position of mainboard body; Described cooling pipe comprises the main pipeline along mainboard body edge placement, and along the Outer Tube of anchor ear arm edge placement, and along the interior conduit of Outer Tube disposed inboard, described Outer Tube extends to engaging arm terminal position; Described interior conduit in each anchor ear arm is communicated with main pipeline respectively with Outer Tube; The cross-sectional area of described main pipeline be Outer Tube, interior conduit cross-sectional area sum 1.2-1.4 doubly; The cross-sectional area of described Outer Tube is the 1/2-2/3 of interior conduit cross-sectional area;
Described mainboard body and anchor ear arm inside are positioned at the scope that main pipeline and each interior conduit surround, and the interior conduit of each anchor ear arm, scope between Outer Tube are provided with the copper material bed of material, and mainboard body and anchor ear arm skin are shape memory alloy material layer;
Described mainboard body is elongated rectangular shape shape, mainboard body intermediary form has the rectangular aperture of a strip, mainboard body is connected with between two of rectangular aperture long limits the tensioned lines of more than three, described tensioned lines one end is fixedly connected with a long limit, the other end is fixedly connected with an adjustment screw, and adjustment screw and mainboard body are connected by thread interference;
Described cooling main frame includes housing, and being provided with a metal partion (metp) in housing will be divided into a water storage cavity and an electric chamber in housing; Above described housing, corresponding water storage cavity is provided with water filling port, and water filling port is sealedly connected with lid, and below described housing, the position of corresponding water storage cavity is provided with the connection-peg be connected with joint, connection-peg has two fluid passages; Be provided with liquid pump in described water storage cavity, liquid delivery side of pump is connected with a fluid passage; Described electric intracavity is provided with refrigerating sheet, circuit board and accumulator, and the huyashi-chuuka (cold chinese-style noodles) of described refrigerating sheet is connected on metal partion (metp); The lateral wall of the corresponding water storage cavity of described housing is provided with the press button controlling liquid pump work, and the sidewall in the corresponding electrically chamber of described housing is provided with the toggle switch controlling refrigerating sheet; Described press button, toggle switch, refrigerating sheet and accumulator are connected with circuit board respectively; The two side of described housing forms at least one group of raised line being beneficial to and grasping;
Described joint includes the grafting cover coordinating grafting with connection-peg, and is connected to the feed liquor intubate of grafting cover below and returns liquid intubate; Feed liquor intubate, return liquid intubate respectively with inlet opening, liquid outlet grafting; The end outer wall of feed liquor intubate and time liquid intubate is arranged with silica gel sheath; Described feed liquor intubate and time liquid cannula end are also connected with sealing-plug.
CN201510989040.8A 2015-12-24 2015-12-24 A kind of marmem bone plate external member Expired - Fee Related CN105496536B (en)

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CN201510989040.8A CN105496536B (en) 2015-12-24 2015-12-24 A kind of marmem bone plate external member
CN201710633062.XA CN107280754B (en) 2015-12-24 2015-12-24 A kind of marmem bone plate external member
CN201710633737.0A CN107260290B (en) 2015-12-24 2015-12-24 A kind of marmem bone plate external member

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CN110345138A (en) * 2019-06-21 2019-10-18 华中科技大学 Bionic intelligence based on 4D printing separates attachment device
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CN107510501A (en) * 2017-10-20 2017-12-26 济南大学 Bone plate
CN107510501B (en) * 2017-10-20 2023-11-24 济南大学 Bone fracture plate
CN110345138A (en) * 2019-06-21 2019-10-18 华中科技大学 Bionic intelligence based on 4D printing separates attachment device
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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CN107280754B (en) 2018-12-04
CN105496536B (en) 2017-11-10

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