CN205126500U - 3D prints titanium alloy brestbone and replaces piece - Google Patents
3D prints titanium alloy brestbone and replaces piece Download PDFInfo
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- CN205126500U CN205126500U CN201520940848.2U CN201520940848U CN205126500U CN 205126500 U CN205126500 U CN 205126500U CN 201520940848 U CN201520940848 U CN 201520940848U CN 205126500 U CN205126500 U CN 205126500U
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- rib
- breastbone
- titanium alloy
- brestbone
- replacing part
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- 239000000956 alloy Substances 0.000 claims abstract description 7
- 210000001562 sternum Anatomy 0.000 claims description 51
- 238000007639 printing Methods 0.000 claims description 5
- 238000000149 argon plasma sintering Methods 0.000 claims description 4
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- 238000007493 shaping process Methods 0.000 claims description 3
- OFCNXPDARWKPPY-UHFFFAOYSA-N allopurinol Chemical compound OC1=NC=NC2=C1C=NN2 OFCNXPDARWKPPY-UHFFFAOYSA-N 0.000 claims description 2
- 238000003745 diagnosis Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 9
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- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 4
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000002639 bone cement Substances 0.000 description 3
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- 239000010936 titanium Substances 0.000 description 3
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Landscapes
- Prostheses (AREA)
- Materials For Medical Uses (AREA)
Abstract
The utility model relates to a 3D prints titanium alloy brestbone and replaces piece is somebody's turn to do substituting and includes brestbone part and rib part, and opening that wherein partial top of brestbone and sternal combination position are even has a substituting fixed screw, brestbone part bottom is designed to the butterfly shape of tail, and left and right butterfly tail corresponds the last one -level rib position of bone who substitutes to be put, and a substituting fixed screw has also been opened to butterfly shape of tail brestbone part, ribs at different levels parts outer end and the combination position that corresponds the rib has all opened and replace a fixed screw and install and fix. The utility model discloses a titanium alloy material combines modern digitization medical technology and most advanced medical titanium alloy 3D printing technique to accomplish substituting preparation as the material of making that replaces the piece, makes substituting and the perfect joint of green bone, has shortened operation time, has improved operation efficiency. This substitution can be kept somewhere in internal, furthest's recovering normal sternal biology form and function.
Description
Technical field
This utility model relates to biomedicine technical field, refers in particular to a kind of 3D adopting special repair materials to replace pathological changes breastbone part and prints titanium alloy sternum replacing part.
Background technology
Breastbone is the flat bone being positioned at wall center, front, likeness in form dirk, point handle, body, xiphoid-process three.Breastbone both sides are connected with rib, form thorax, rise make important function to internal organs in the vertical diaphragm of protection and thoracic cavity.Due to breastbone common diseases such as Sternum neoplasms, infection, radiation ulcer, wound and congenital malformatioies, often need operative treatment, thus cause the defect of breastbone, need time serious to excise whole breastbone.The integrity of thorax, stability and the protectiveness to vertical diaphragm internal organs suffer the life destroying, jeopardize patient.Breastbone needs to rebuild, and method for reconstructing and the material of applying breastbone are at present more, but has many corresponding shortcomings, and surgical repair effect is undesirable.
The domestic and international document to Sternal reconstruction is not a lot of at present, main reference thoracic wall rib absence method for reconstructing completes Sternal reconstruction, the method of repairing is more: have allograph bone, autologous bone transplanting, muscle flap, flap, omentum majus, steel plate, lucite, wire netting, tinsel, synthetic fibers, politef net, titanium net, silicone rubber plate, Marlex net and woven dacron, bone cement etc., effect is uneven, is first simply described below:
1, autologous tissue.Have wide material sources, draw materials conveniently, histocompatibility is good, foreign reacts, and patient is easy to acceptance good holding power, can prevent thoracic wall from floating and paradoxical breathing; Can be placed in body for a long time, not loosen; And can through advantages such as x-rays.But shortcoming is drawn materials limited, and tensile strength is not enough, destroys other organizational structure and causes operation wound.Therefore be used for the less defect repair of area and flap filling and shift, also can repair in conjunction with artificial material in addition.That commonly uses clinically has pectoralis major, pectoralis major island skin flap, mammary gland, rectus abdominis m., transverse rectus abdominis (TRAM), latissimus dorsi m., latissimus dorsi myocutaneous flap, serratus anterior, diaphram, omentum majus, autologous rib, iliotibial tract etc.The quality of autologous bone is depended in the success of bone grafting to a great extent, and the blood of implant bed supplies and have blood to transport abundant soft tissue to cover.Also must have enough fixing in addition, the shears eliminated between soft tissue and bone grafting is movable, and be conducive to new vessels and grow into, requirements of operation is high, and difficulty is large.And the covering to defect is partial in the reparation of autologous tissue more, and hard conditions to meet aspect undesirable.Large-area defect, Self-tissue repair is slightly inadequate, and operation is drawn materials and too increased the misery of patient.
2, artificial material.Of a great variety, mainly contain steel plate, poly (methyl methacrylate) plate, steel wire etc. in early days, but this kind of materials microstructure poor compatibility, be difficult to fixing and easily loosen, not easily moulding and cutting, metal material particularly metallic plate can affect postoperative X ray examination and radiotherapy, therefore has in recent years abandoned using.The reparation of bone thoracic wall adopts bone cement or autologous tissue's material to combine reconstruction more in the world at present.This kind of material structure compatibility is better, and the moulding convenience of cutting, is convenient to sterilizing, do not affect postoperative X ray examination and radiotherapy, but still there is pliability difference, and organize adaptation not good, tensile strength is inadequate, and size is less than normal, the shortcoming such as limited and expensive in large-area defect repair.Hyans etc. select politef sticking patch to repair, and to solve the problem of sticking patch and lung tissue adhesion, have made some progress.In recent years use MMA (methacrylic resin) achieves certain progress, MMA cured strength is large, stability is strong, before solidification, ductility is strong, the good histocompatibility of plasticity is good, foreign body reaction is lighter, decrease Post operation filling place infection, hydrops odds, x-ray has fabulous penetrance to MMA, does not affect x-ray inspection after repairing chest wall defect.But MMA has stronger exothermic reaction when moulding, easily burn perienchyma.In addition, charges and contiguous lung tissue can carry out anion exchange, and patient may occur metabolic acidosis.
3, biomaterial.Take from animal tissue more, as: bud is that power waits use self-control bovine pericardium+steel wire to repair chest wall defect good results, also has and adopts pig to be that organization material is originated.Generally speaking, biomaterial pliability is good, wide material sources, and stretching resistance is strong, not easily aging, and preparation is preserved convenient.Shortcoming has antigenicity, easily produces repulsion, and if do not carried out modification, then stretching resistance is inadequate.
Summary of the invention
The purpose of this utility model is that provide a kind of titanium alloy that adopts for making material, the 3D utilizing advanced Model Reconstruction system and printing technique to generate prints titanium alloy sternum replacing part for the shortcoming existed in background technology and problem in addition improvement and bring new ideas.
The technical solution of the utility model is a kind of breastbone part comprising corresponding sternal position of structure, with the sternum replacing part being divided into the rib part that the corresponding respective rib position of bone in breastbone part both sides is put, wherein: described breastbone operative tip and the binding site of breastbone have replacing part fixing threaded hole uniformly, described breastbone member base end is designed to butterfly shape of tail, the afterbody rib position that left and right butterfly tail correspondence substitutes, and butterfly shape of tail breastbone part also has replacing part fixing threaded hole; Described rib portion of its outer at different levels and the binding site of corresponding rib all have replacing part fixing threaded hole and install fixing.
Wherein in an embodiment, described breastbone part and rib part are titanium alloy material laser sintering technology printing shaping.
Wherein in an embodiment, described breastbone part and rib partial cross section are the spirogyrate structure on band internal buckle edge edge.
Wherein in an embodiment, described replacing part is the replacing part at diagnosis of sternal lesions position, and the replacing part fixing threaded hole in its breastbone part and rib part and corresponding breastbone or rib non lesion green bone position are installed fixing.
Advantage of the present utility model and beneficial effect:
This utility model adopt titanium alloy material as an alternative part make material, the making of replacing part is completed in conjunction with modern digital Medical Technology and state-of-the-art medical titanium alloy 3D printing technique, replacing part is engaged with green bone perfection, avoid the complexity and difficulties of in the past performing the operation, shorten operating time, improve procedure efficiency.This replacing part can forever indwelling in body, recovered biology morphology and the function of normal breastbone to greatest extent.
Titanium is a kind of important structural metal grown up the 1950's, and intensity is high, corrosion resistance good because having for titanium alloy, thermostability high and be widely used in every field.Titanium alloy is based on titanium, add other elementary composition alloys, the titanium alloy intensity that this utility model uses 3d printing technique to print is much larger than skeleton, less than normal than normal breastbone so design a model, so just can weight reduction, the discomforts such as patient chest compressing can not be caused.The Therapeutic mode and the breastbone lack part bone cement that overcome the past substitute, and postoperative patient has the problem of strong chest sense of discomfort, operates easier.
Accompanying drawing explanation
Fig. 1 is this utility model replacing part structural representation.
Fig. 2 is Figure 1A-A cross-sectional view.
Fig. 3 is view after this utility model Replacement.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is described more fully.First-selected embodiment of the present utility model is given in accompanying drawing.But this utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, the object of these embodiments is provided to be make to disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when element is considered to " setting " or " connection " on another element, it can be directly arrange or be connected on another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein are identical with the implication that those skilled in the art of the present utility model understand usually with scientific terminology.The term used in description, just in order to describe concrete enforcement object, is not intended to be restriction this utility model.
Embodiment:
At the beginning of 2015 9 months, patient is admitted to hospital because chest masses Progressive symmetric erythrokeratodermia increases, through CT examination, bone tumor originates from breastbone, the increase of tumor tissues subsequently makes tumor also in continuous expansion, all be subject to the infringement of tumor from breastbone first sternocostal joints to xiphoid-process, the compressing of tumor make patient create uncomfortable in chest, breathe hard and the symptom of pain.The Sternum neoplasms block all too of patient is large, and final decision prints titanium alloy sternum replacing part by changing 3D after the excision of the tumor of patient entirety.
In order to make patient better recover, Fang Zhen section is the CT data that patient provides a set of high-resolution thin layer, by the iconography data of DICOM form, after input medical 3 D process software, obtains the pathology skeleton data STL form of patient.After receiving data, designer imports modelling, on this basis, doctor and Computer Engineer's cooperation, design one and meet this patient's organization of human body completely, perfect laminating rib and presternal 3D sternum replacing part, and use laser sintering technology to print titanium alloy breastbone, carry out valve replacement.
Specific as follows, physical model is generated according to the pathological changes skeleton data that CT data are rebuild at mimics17.0, the physical model generated imports in 3dsmax and carries out the reconstruction of pathological changes cut-out according to 3 D stereo data, wherein with green bone contact site and bearing, take to extract surface from original data reconstruction, thus reach one to one and fit like a glove, pathological changes excision position artificially builds according to body anatomy.Complete to rebuild in max and generate, after generating physical model, printed the replacing part of titanium alloy material again by metallic print machine.
The sternum replacing part printed as indicated with 1, comprise the breastbone part 1 of alternative pathological changes breastbone, be successively set on second rib part 2, the 3rd rib part 3, the 4th rib part the 4 and the 56 rib part 5 that breastbone part 1 both sides substitute corresponding pathological changes rib from top to bottom.The top of breastbone part 1 and tail end have fixing threaded hole 6, and the outer end of each rib part also has fixing threaded hole, and whole replacing part is installed fixing by fixing threaded hole and trouble body green bone, and after replacing, state as shown in Figure 3.
This replacing part breastbone part and rib part are titanium alloy material laser sintering technology printing shaping, and breastbone part and rib partial cross section are the spirogyrate structure on band internal buckle edge edge, as shown in Figure 2.This replacing part reaches one to one with green bone contact site and bearing and fits like a glove, Xiang Ronghao.
JIUYUE in 2015 afternoon on the 23rd, patient is pushed into operating room, through the struggle of several hours, performs the operation extremely successful, does not postoperatively also occur bad reflection, at present in positive post-operative recovery.This utility model fully illustrates the collision of modern digital medical science and state-of-the-art medical titanium alloy 3D printing, is the another breakthrough of 3D printing technique in hospital.
Embodiment described in the utility model is only the description carried out preferred implementation of the present utility model; not this utility model design and scope are limited; under the prerequisite not departing from this utility model design philosophy; the various modification that in this area, engineers and technicians make the technical solution of the utility model and improvement; protection domain of the present utility model all should be fallen into; the technology contents of this utility model request protection, all records in detail in the claims.
Claims (4)
1. 3D prints a titanium alloy sternum replacing part, it is characterized in that the breastbone part comprising corresponding sternal position, and is divided into the rib part that the corresponding respective rib position of bone in breastbone part both sides puts, wherein:
Described breastbone operative tip and the binding site of breastbone have replacing part fixing threaded hole uniformly, described breastbone member base end is designed to butterfly shape of tail, the afterbody rib position that left and right butterfly tail correspondence substitutes, and butterfly shape of tail breastbone part also has replacing part fixing threaded hole;
Described rib portion of its outer at different levels and the binding site of corresponding rib all have replacing part fixing threaded hole and install fixing.
2. 3D according to claim 1 prints titanium alloy sternum replacing part, it is characterized in that described breastbone part and rib part are titanium alloy material laser sintering technology printing shaping.
3. 3D according to claim 1 prints titanium alloy sternum replacing part, it is characterized in that described breastbone part and rib partial cross section are the spirogyrate structure on band internal buckle edge edge.
4. 3D according to claim 1 prints titanium alloy sternum replacing part, it is characterized in that described replacing part is the replacing part at diagnosis of sternal lesions position, the replacing part fixing threaded hole in its breastbone part and rib part and corresponding breastbone or rib non lesion green bone position are installed fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520940848.2U CN205126500U (en) | 2015-11-18 | 2015-11-18 | 3D prints titanium alloy brestbone and replaces piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520940848.2U CN205126500U (en) | 2015-11-18 | 2015-11-18 | 3D prints titanium alloy brestbone and replaces piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205126500U true CN205126500U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520940848.2U Expired - Fee Related CN205126500U (en) | 2015-11-18 | 2015-11-18 | 3D prints titanium alloy brestbone and replaces piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205126500U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691632A (en) * | 2015-11-18 | 2017-05-24 | 湖南六新智能科技有限公司 | 3D printing titanium alloy sternum replacement part and manufacturing method thereof |
| CN109077831A (en) * | 2018-10-23 | 2018-12-25 | 北京爱康宜诚医疗器材有限公司 | Breastbone prosthetic appliance |
-
2015
- 2015-11-18 CN CN201520940848.2U patent/CN205126500U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106691632A (en) * | 2015-11-18 | 2017-05-24 | 湖南六新智能科技有限公司 | 3D printing titanium alloy sternum replacement part and manufacturing method thereof |
| CN109077831A (en) * | 2018-10-23 | 2018-12-25 | 北京爱康宜诚医疗器材有限公司 | Breastbone prosthetic appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 |