CN105434023A - Internal fixation device suite for orthopedics department - Google Patents
Internal fixation device suite for orthopedics department Download PDFInfo
- Publication number
- CN105434023A CN105434023A CN201510993140.8A CN201510993140A CN105434023A CN 105434023 A CN105434023 A CN 105434023A CN 201510993140 A CN201510993140 A CN 201510993140A CN 105434023 A CN105434023 A CN 105434023A
- Authority
- CN
- China
- Prior art keywords
- support arm
- mainboard body
- arm
- fixation device
- cooling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- 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
- A61B2017/564—Methods for bone or joint treatment
Abstract
The invention discloses an internal fixation device suite for the orthopedics department. The suite comprises a memory alloy internal fixation device, a cooling main machine and a connector connected with the cooling main machine and the memory alloy internal fixation device. The memory alloy internal fixation device comprises a spiral main board and a plurality of parallel hoop arms integrally formed on the two sides of the main board. Cooling pipelines are arranged in the main board and the hoop arms. The outer wall of the main board is provided with a liquid inlet and a liquid outlet communicated with the two ends of each cooling pipeline respectively. The cooling pipelines are arranged in the memory alloy internal fixation device so that cooling water below 5 DEG C can be introduced into the cooling pipelines before the internal fixation device is detached, and accordingly the internal fixation device is evenly cooled. The internal fixation device can be successfully and quickly detached, and operation time is further shortened.
Description
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of orthopaedics memorial alloy inner fixer structure.
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 inner fixer have employed marmem to make at present.But still there is following defect in current memorial alloy inner fixer, when removing inner fixer after injury of the bone healing, need the physiological saline solution gauze cold compress inner fixer equably with less than 5 DEG C, open the anchor ear arm on inner fixer, inner fixer could be taken out, be difficult to accomplish completely owing to using gauze and fit in each position of inner fixer, make inner fixer can not be completely cooled, still have difficulties when removing inner fixer, 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 orthopaedics memorial alloy inner fixer external member of new structure.
For realizing the object of the present invention, be achieved by the following technical solutions: a kind of orthopedic fixation device external member, includes memorial alloy inner fixer, cooling main frame, and connect the joint of cooling main frame and memorial alloy inner fixer;
Described memorial alloy inner fixer includes the mainboard body of helix shape and the one-body molded many groups of anchor ear arms be parallel to each other in mainboard body both sides; 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 mainboard body of described helix shape is 60-120 ° along the angle that spiral axis rotates;
Described inlet opening and liquid outlet are positioned at one end end position of mainboard body; Described cooling pipe only comprises a pipeline, and cooling pipe along mainboard body edge placement, and extends to the outer end of anchor ear arm;
Described mainboard body and anchor ear arm inside are positioned at the scope that cooling pipe surrounds and are provided with the copper material bed of material, and mainboard body and anchor ear arm skin are shape memory alloy material layer;
Often organize described anchor ear arm and include the first support arm and the second support arm that are connected to mainboard body both sides, described second arm length is 2-3 times of the first arm length;
The end of described first support arm forms connecting clip; The end of described second support arm forms the connection jaws matched with connecting clip, forms plural location of matching with connecting clip and take in connection jaws; Described second support arm side is connected with support arm near the position connecting jaws, and the end of support arm forms connection bayonet socket, and adjacent second support arm side is connected with and the connection dop being connected bayonet fittings clamping; Each support arm is on a helix, and support arm is equal with the distance of mainboard body both sides; Described second support arm is near mainboard body and the position being positioned at support arm homonymy forms recess, described second support arm is positioned at recess and is connected with a side plush copper away from the side of mainboard body;
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 memorial alloy inner fixer inside, the cooling water of less than 5 DEG C can be passed in the forward direction cooling pipe removing inner fixer, inner fixer is made to obtain Homogeneous cooling, be beneficial to smoothly and remove inner fixer rapidly, further shorten operating time.
Accompanying drawing explanation
Fig. 1 is the structural representation of inner fixer.
Fig. 2 is the internal structure schematic diagram of inner fixer deployed condition.
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.
1, mainboard body; 21, the first support arm; 211, connecting clip; 22, the second support arm; 221, jaws is connected; 222, dop is connected; 223, side plush copper; 224, recess; 23, support arm; 231, bayonet socket is connected; 3, inlet opening; 4, liquid outlet; 5, cooling pipe; 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.
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 orthopedic fixation device external member, includes memorial alloy inner fixer, cooling main frame 7, and connects the joint 8 of cooling main frame and memorial alloy inner fixer.
Described memorial alloy inner fixer includes the mainboard body 1 of helix shape and the one-body molded many groups of anchor ear arms be parallel to each other in mainboard body both sides; 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.
The mainboard body of described helix shape is 60-120 ° along the angle that spiral axis rotates.Spiral mainboard body relative to the mainboard body of elongated rectangular shape and the contact area of bone larger, when preferably angle is between 100-120 ° both can not internally holder installation, remove cause trouble, preferably fixed performance can be ensured again, guarantee the supporting intensity of bone injury site.
Described inlet opening and liquid outlet are positioned at one end end position of mainboard body; Described cooling pipe only comprises a pipeline, and cooling pipe along mainboard body edge placement, and extends to the outer end of anchor ear arm.
Described mainboard body and anchor ear arm inside are positioned at the scope that cooling pipe surrounds and are provided with the copper material bed of material 6, and mainboard body and anchor ear arm skin are shape memory alloy material layer.
Often organize described anchor ear arm and include the first support arm 21 and the second support arm 22 being connected to mainboard body both sides, described second arm length is 2.5 times of the first arm length.
The end of described first support arm forms connecting clip 211; The end of described second support arm forms the connection jaws 221 matched with connecting clip, forms plural location of matching with connecting clip and take in connection jaws; Described second support arm side is connected with support arm 23 near the position connecting jaws, and the end of support arm forms and connects bayonet socket 231, and adjacent second support arm side is connected with and the connection dop 222 being connected bayonet fittings clamping; Each support arm is on a helix, and support arm is equal with the distance of mainboard body both sides; Described second support arm is near mainboard body and the position being positioned at support arm homonymy forms recess 224, described second support arm is positioned at recess and is connected with a side plush copper 223 away from the side of mainboard body.
Described cooling pipe, without described side plush copper, produces deformation at the notch position of the second support arm when making to prize side plush copper.When removing inner fixer, by outwards prizing side plush copper, make the connection bayonet socket of support arm and connect jaws successively and is connected dop, connecting clip departs from, the dismounting for inner fixer provides convenience, shortens operating time to greatest extent.
After inner fixer is installed to knochenbruch position, anchor ear arm recovers shape under body temperature effect, two support arms of anchor ear arm clamp gradually, to final position, the connecting clip of spline-simulating be connected jaws and fasten, connection bayonet socket simultaneously on support arm be connected dop and fasten, the globality of such inner fixer is stronger, not easily produces distortion, the situation that inner fixer can not get loose, reliability is high, is beneficial to knochenbruch and hinders symphysis.
Shown in composition graphs 4 to Fig. 6, 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 inner fixer.Described joint 8 can according to the specification of inlet opening, liquid outlet on inner fixer, distance correspondingly select, make cooling main frame can with the inner fixer adapted of different size.
Before removing memorial alloy inner fixer, 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 inner fixer, cooling main frame is removed after inner fixer temperature reaches requirement, pull down inner fixer.
Embodiment 2
According to shown in Fig. 1 to Fig. 3, the present embodiment is a kind of orthopedic fixation device, includes the mainboard body 1 of helix shape and the one-body molded many groups of anchor ear arms be parallel to each other in mainboard body both sides; 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.
The mainboard body of described helix shape is 60-120 ° along the angle that spiral axis rotates.Spiral mainboard body relative to the mainboard body of elongated rectangular shape and the contact area of bone larger, when preferably angle is between 100-120 ° both can not internally holder installation, remove cause trouble, preferably fixed performance can be ensured again, guarantee the supporting intensity of bone injury site.
Described inlet opening and liquid outlet are positioned at one end end position of mainboard body; Described cooling pipe only comprises a pipeline, and cooling pipe along mainboard body edge placement, and extends to the outer end of anchor ear arm.
Described mainboard body and anchor ear arm inside are positioned at the scope that cooling pipe surrounds and are provided with the copper material bed of material 6, and mainboard body and anchor ear arm skin are shape memory alloy material layer.
Often organize described anchor ear arm and include the first support arm 21 and the second support arm 22 being connected to mainboard body both sides, described second arm length is 2.5 times of the first arm length.
Claims (1)
1. an orthopedic fixation device external member, is characterized in that: include memorial alloy inner fixer, cooling main frame, and connects the joint of cooling main frame and memorial alloy inner fixer;
Described memorial alloy inner fixer includes the mainboard body of helix shape and the one-body molded many groups of anchor ear arms be parallel to each other in mainboard body both sides; 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 mainboard body of described helix shape is 60-120 ° along the angle that spiral axis rotates;
Described inlet opening and liquid outlet are positioned at one end end position of mainboard body; Described cooling pipe only comprises a pipeline, and cooling pipe along mainboard body edge placement, and extends to the outer end of anchor ear arm;
Described mainboard body and anchor ear arm inside are positioned at the scope that cooling pipe surrounds and are provided with the copper material bed of material, and mainboard body and anchor ear arm skin are shape memory alloy material layer;
Often organize described anchor ear arm and include the first support arm and the second support arm that are connected to mainboard body both sides, described second arm length is 2-3 times of the first arm length;
The end of described first support arm forms connecting clip; The end of described second support arm forms the connection jaws matched with connecting clip, forms plural location of matching with connecting clip and take in connection jaws; Described second support arm side is connected with support arm near the position connecting jaws, and the end of support arm forms connection bayonet socket, and adjacent second support arm side is connected with and the connection dop being connected bayonet fittings clamping; Each support arm is on a helix, and support arm is equal with the distance of mainboard body both sides; Described second support arm is near mainboard body and the position being positioned at support arm homonymy forms recess, described second support arm is positioned at recess and is connected with a side plush copper away from the side of mainboard body;
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993140.8A CN105434023B (en) | 2015-12-24 | 2015-12-24 | A kind of orthopedic fixation device external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993140.8A CN105434023B (en) | 2015-12-24 | 2015-12-24 | A kind of orthopedic fixation device external member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105434023A true CN105434023A (en) | 2016-03-30 |
| CN105434023B CN105434023B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510993140.8A Expired - Fee Related CN105434023B (en) | 2015-12-24 | 2015-12-24 | A kind of orthopedic fixation device external member |
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| CN200942118Y (en) * | 2006-08-22 | 2007-09-05 | 姜喜明 | Memory alloy three-dimensional automatic pressure bone plate |
| US20080039931A1 (en) * | 2006-04-25 | 2008-02-14 | Surmodics, Inc. | Hydrophilic shape memory insertable medical articles |
| US20080053577A1 (en) * | 2006-09-06 | 2008-03-06 | Cook Incorporated | Nickel-titanium alloy including a rare earth element |
| CN201036563Y (en) * | 2006-03-30 | 2008-03-19 | 杨洪武 | Dynamic pressurized cross locking marrow nail |
| US20100131048A1 (en) * | 2008-10-10 | 2010-05-27 | Reva Medical, Inc. | Expandable slide and lock stent |
| CN202235650U (en) * | 2011-10-10 | 2012-05-30 | 中国人民解放军第四军医大学 | Double-tooth semi-surrounding chest closing bone fracture plate |
| CN202313523U (en) * | 2011-10-10 | 2012-07-11 | 中国人民解放军第四军医大学 | Close-chest approximator |
| CN203220433U (en) * | 2013-05-02 | 2013-10-02 | 苏州西脉记忆合金有限公司 | Easily-detachable memory alloy connector |
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2015
- 2015-12-24 CN CN201510993140.8A patent/CN105434023B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2341577Y (en) * | 1998-09-10 | 1999-10-06 | 连远步 | Frame type girdle device |
| FR2839880B1 (en) * | 2002-05-21 | 2004-08-20 | Groupe Lepine | INTERVERTEBRAL CONNECTING ROD AND DEVICE FOR STRAIGHTENING RACHIS DEFORMATIONS |
| CN201036563Y (en) * | 2006-03-30 | 2008-03-19 | 杨洪武 | Dynamic pressurized cross locking marrow nail |
| US20080039931A1 (en) * | 2006-04-25 | 2008-02-14 | Surmodics, Inc. | Hydrophilic shape memory insertable medical articles |
| CN2917565Y (en) * | 2006-05-16 | 2007-07-04 | 魏小东 | Memory alloy paw-shaped rib bone plate |
| CN200942118Y (en) * | 2006-08-22 | 2007-09-05 | 姜喜明 | Memory alloy three-dimensional automatic pressure bone plate |
| US20080053577A1 (en) * | 2006-09-06 | 2008-03-06 | Cook Incorporated | Nickel-titanium alloy including a rare earth element |
| US20100131048A1 (en) * | 2008-10-10 | 2010-05-27 | Reva Medical, Inc. | Expandable slide and lock stent |
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| CN203220433U (en) * | 2013-05-02 | 2013-10-02 | 苏州西脉记忆合金有限公司 | Easily-detachable memory alloy connector |
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| Publication number | Publication date |
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| CN105434023B (en) | 2017-09-26 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yang Tongyu Inventor after: Hu Kun Inventor after: Lu Yaoyu Inventor before: Li Feng |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170802 Address after: 558099 Guizhou Province, Qiannan Buyei and Miao Autonomous Prefecture Tuyun City Jian Jiang Road No. 32, Qiannan Hospital of traditional Chinese Medicine Department of Orthopaedics Applicant after: Guizhou Qiannan Bouyei-Miao Autonomous Prefecture Hospital of Chinese Medicine Address before: Wenling City, Wang Ruo Zhen Pu tou Cun Taizhou City, Zhejiang province 317507 Applicant before: Li Feng |
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Granted publication date: 20170926 Termination date: 20181224 |