CN107174384A - 3D print tracheal stent - Google Patents

3D print tracheal stent Download PDF

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Publication number
CN107174384A
CN107174384A CN201710524302.2A CN201710524302A CN107174384A CN 107174384 A CN107174384 A CN 107174384A CN 201710524302 A CN201710524302 A CN 201710524302A CN 107174384 A CN107174384 A CN 107174384A
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China
Prior art keywords
stent
outer
inner
support
holder
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CN201710524302.2A
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Chinese (zh)
Inventor
曾伟宏
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芜湖启泽信息技术有限公司
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Priority to CN201710524302.2A priority Critical patent/CN107174384A/en
Publication of CN107174384A publication Critical patent/CN107174384A/en

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/82Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2230/00Geometry of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2230/0002Two-dimensional shapes, e.g. cross-sections
    • A61F2230/0004Rounded shapes, e.g. with rounded corners
    • A61F2230/0006Rounded shapes, e.g. with rounded corners circular
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2240/00Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
    • A61F2240/001Designing or manufacturing processes

Abstract

The invention discloses a 3D print tracheal stent. The tracheal stent comprises an inner stent and an outer stent, wherein the inner stent and the outer stent are each arranged as ring-shaped stent, and the outer diameter of the outer stent is larger than that of the inner stent, while the thickness of the inner stent is larger than that of the outer stent, and the space between the inner stent and the outer stent is connected through uniformly distributed support rods; the center of the inner stent is arranged as a central trachea. By the 3D print tracheal stent, the central tracheal stents are arranged as two layers, the central trachea is arranged in the center hole inside the inner stent; the inner and outer support structures can be arranged in several ways: spiral shape, dot-like distribution, linear or circular structure, the external supports of different structures can be adapted to different medical symptoms, and the solid support degrees of these structures are all very strong, and the stent has the characteristics of being small in stress area, significant in reducing the degree of stimulation of the trachea, and easy to use.

Description

一种3D打印气管支架 One kind of 3D printing tracheal stent

技术领域 FIELD

[0001]本发明涉及医疗设施领域,具体的说是一种3D打印气管支架。 [0001] The present invention relates to the field of medical facilities, specifically a 3D printing tracheal stent.

背景技术 Background technique

[0002]现有医疗领域中,在很多方面均已开始使用3D打印技术更好的帮助解决病患问题,例如骨科方便可将通过扫描装置将骨轮廓打印成型,在牙科方面可将牙口腔内部整体打印出来,更加直观的了解病患的问题;在医疗领域中,支气管软化症是肌肉的弹性能力退化导致支气管软化而发生的病症,这种病症严重影响人的呼吸,可导致间歇性窒息,呼吸困难,肺部感染等严重病症,现有医疗技术中多是采用气管支架放入到呼吸道中,将呼吸道中的气管支撑起来,达到让患者正常呼吸的目的;目前的气管支架的结构比较简单,呼吸的管道仅设置一条;而且支撑嵌入的时候刺激比较大,而如果减小刺激则固定的支撑力会较小, 造成支架滑落。 [0002] Existing medical field, many areas have begun using the 3D printing technology to better help solve the problem patients, for example, may be easily orthopedic bone by the scanning device to print an outline shape, the teeth inside the mouth may be in dentistry overall print out a more intuitive understanding of the problems patients; in the medical field, bronchial osteomalacia elastic ability of muscle degeneration occurs resulting in softening of bronchial illness, this disease seriously affects a person's breathing, can cause intermittent suffocation, difficulty breathing, lung infections and other serious diseases, the existing medical technology is used more tracheal stent placed in the respiratory tract, the respiratory tract trachea propped up, to allow the patient to breathe normally purposes; the current structure of the tracheal stent is relatively simple , provided only a breathing pipe; and when the support is fitted to stimulate relatively large, and is reduced if the stimulation of the stationary support force will be smaller, resulting in slide bracket.

发明内容 SUMMARY

[0003]本发明的目的是针对现有技术存在的不足,提供一种呼吸顺畅、支撑力较强且刺激较小的3D打印气管支架。 [0003] The object of the present invention is directed to the shortcomings of the prior art, a respiratory smooth, strong supporting force smaller 3D printing and stimulates tracheal stent.

[0004]技术方案:本发明解决问题所采用的技术方案为:一种3D打印气管支架,包括内层支架和外层支架;所述的内层支架和外层支架均设置为圆环状支架,且所述的外层支架的外径大于内层支架,而所述的内层支架的厚度则大于外层支架,且所述的内层支架与外层支架之间通过均匀分布的支撑杆相连;所述的内层支架的中心处设置为中心气管,而所述的内层支架与外层支架之间的空隙设置为辅助气管;且所述的外层支架的外表面还设置有均匀分布的凸起支撑;所述的内层支架中还设置有气孔;所述的气孔均匀分布,且所述的气孔均设置为弧形结构。 [0004] The technical solution: The present invention solves the problem of the technical solutions adopted are: one kind of 3D printing tracheal stent, the stent comprising an inner layer and an outer bracket; said inner holder and outer annular holder bracket are set to , and an outer diameter of the outer stent is greater than the inner holder, and the thickness of the inner layer is greater than the outer stent scaffold support rod between said inner and outer stents and stent evenly distributed through connected; the center of the inner stent as the center pipe, and a gap between the inner holder and the outer holder to the auxiliary pipe; and the outer surface of the outer holder is further provided with uniform raised support profile; said inner holder is also provided with a hole; uniform distribution of the pore, and the pores are arranged in an arc configuration.

[0005]作为优选,所述的内层支架与外层支架之间设置的支撑杆共设置六个;且所述的支撑杆均匀分布;且所述的支撑杆的高度设置为l-3mm。 [0005] Preferably, the support rods disposed between said inner holder and outer stent disposed co six; and said uniformly distributed support rods; the height of the support bar and arranged to l-3mm.

[0006]作为优选,所述的内层支架内的气孔共设置有六个,所述的六个气孔间隔均匀设置,且所述的气孔与内外层支架之间设置的支撑杆为交错设置。 [0006] Preferably, the pores within the inner holder is provided with a total of six of the six evenly spaced air holes disposed support rods and disposed between said inner and outer layers with pores of the stent is staggered.

[0007]作为优选,所述内层支架的外径设置为外层支架的外径的一半;而所述的外层支架的厚度设置为内层支架厚度的一半。 [0007] Advantageously, the outer diameter of the inner stent to the outer diameter of the outer half of the stent; and the thickness of said outer stent scaffold set to half the thickness of the inner layer.

[0008] 作为优选,所述的外层支架外部的凸起支撑可设置成均匀分布的点状结构或者是环绕外层支架的圆环结构或者是沿外层支架轴向均匀延伸的直线结构或者是环绕外层支架表面的螺旋结构;所述的凸起支撑的厚度设置为0.5ram。 [0008] Preferably, the outer layer of the stent may be raised support points arranged uniformly distributed around the outer structure or stent ring structure or linear structure is uniform axially extending outer bracket or helical structure of the stent surround the outer surface; thickness of said supporting protrusion to 0.5ram.

[0009] 有益效果:本发明与现有技术相比,具有以下优点:本发明中气管支架共设置有两层,内层支架的内部中心孔设置中心气管;而内外层支架中间的空隙同样可用于呼吸的辅助气管使用;另外就是在内部支架的内部还设置气孔,一方面能够减轻整体重量以及用料; 另一方面增加呼吸通道;并且本发明中外部的支撑结构可设置有多种,螺旋状、点状分布, 直线状或者圆环状的结构,不同结构的外部支撑可以适应不同的医疗病状,而且这些结构的牢固支撑程度都较强,而且具备受力面积小的特点,可以大幅度减轻气管的刺激程度,使用方便。 [0009] The beneficial effects: Compared with the prior art the present invention has the following advantages: the present invention is provided with two co-tracheal stent, the center hole is provided inside the central pipe of the inner holder; and an intermediate layer of the inner and outer stent also available void using the auxiliary airway for breathing; the other is inside the holder is also provided inside the pores, on the one hand the overall weight can be reduced and materials used; on the other hand increases the breathing passages; and in the present invention, the outer support structure may be provided with a plurality of helical shape, punctate distribution, linear or annular structure, external support structures can be adapted to various different medical conditions, and solid support structures are strong degree of these, and have a small force area characteristics, can be greatly reduce the degree of stimulation of the trachea, easy to use.

附图说明_ BRIEF DESCRIPTION _

[0010] 图1是本发明的结构示意图。 [0010] FIG. 1 is a structural diagram of the present invention.

具体实施方式 Detailed ways

[0011] 下面结合附图和具体实施例,进一步阐明本发明,本实施例在以本发明技术方案为前提下进行实施,应理解这些实施例仅用于说明本发明而不用于限制本发明的范围。 [0011] conjunction with the accompanying drawings and the following specific examples further illustrate the invention, In the present embodiments of the present invention is a technical premise, it should be understood that these embodiments are illustrative only and the present invention is not intended to limit the present invention. range. [0012]如图1所示,一种3D打印气管支架,包括内层支架1和外层支架2;所述的内层支架1 和外层支架2均设置为圆环状支架,且所述的外层支架2的外径大于内层支架1,而所述的内层支架1的厚度则大于外层支架2,且所述的内层支架1与外层支架2之间通过均匀分布的支撑杆3相连;所述的内层支架1的中心处设置为中心气管4,而所述的内层支架1与外层支架2 之间的空隙设置为辅助气管5;且所述的外层支架2的外表面还设置有均匀分布的凸起支撑6;所述的内层支架1中还设置有气孔7;所述的气孔7均匀分布,且所述的气孔7均设置为弧形结构。 [0012] As shown in FIG A 3D printing a tracheal stent, the stent comprises an inner layer and an outer holder 2; said inner holder and outer holder 1 2 are set to an annular holder, and the the outer diameter of the outer stent is greater than the inner holder 2 is 1, and the thickness of said inner stent is greater than the outer holder 1 is 2, and the inner holder 2 by the uniformly distributed between 1 and the outer holder 3 is connected to the support bar; the center of the inner frame 1 as the center pipe 4, and the gap between the inner layer 2 of the bracket 1 and the outer holder 5 is set to an auxiliary pipe; and said outer layer the outer surface of the holder 2 is further provided with a projection 6 uniformly distributed support; said inner holder 1 is also provided with a hole 7; 7 uniform distribution of the pore, and the pores 7 are arranged in an arc configuration .

[0013]所述的内层支架1与外层支架2之间设置的支撑杆3共设置六个;且所述的支撑杆3 均匀分布;且所述的支撑杆3的高度设置为l-3mm。 [0013] 2 is provided between said inner support rod holder 1 and the outer holder 3 provided co six; and uniform distribution of the support bar 3; and the height of the support bar 3 is set l- 3mm.

[00141所述的内层支架1内的气孔7共设置有六个,所述的六个气孔7间隔均匀设置,且所述的气孔7与内外层支架2之间设置的支撑杆3为交错设置;所述内层支架1的外径设置为外层支架2的外径的一半;而所述的外层支架2的厚度设置为内层支架1厚度的一半。 Pores within 1 [00141 said inner layer 7 of the bracket is provided with six of the six evenly spaced settings hole 7, the support bar 2 and is provided between the hole 7 and the inner and outer layers in a zigzag stent 3 provided; the outer diameter of the inner frame 1 to the outer half of the outer diameter of the stent 2; and the thickness of the outer holder the inner layer 2 is set to half the thickness of the support 1.

[0015] 所述的外层支架2外部的凸起支撑6可设置成均匀分布的点状结构或者是环绕外层支架2的圆环结构或者是沿外层支架2轴向均匀延伸的直线结构或者是环绕外层支架2表面的螺旋结构;所述的凸起支撑2的厚度设置为〇.5mra。 [0015] The outer layer 2 outside holder 6 may be raised support point provided evenly distributed around the outer stent or a ring structure 2 or structure uniformly extending in a straight line axially outer bracket 2 2 or the spiral structure around the outer surface of the stent; the thickness of the support projection is set to 2 〇.5mra.

[0016]本发明中气管支架共设置有两层,内层支架的内部中心孔设置中心气管;而内外层支架中间的空隙同样可用于呼吸的辅助气管使用;另外就是在内部支架的内部还设置气孔,一方面能够减轻整体重量以及用料;另一方面增加呼吸通道;并且本发明中外部的支撑结构可设置有多种,螺旋状、点状分布,直线状或者圆环状的结构,不同结构的外部支撑可以适应不同的医疗病状,而且这些结构的牢固支撑程度都较强,而且具备受力面积小的特点,可以大幅度减轻气管的刺激程度,使用方便。 [0016] The present invention is provided with two co-tracheal stent, the center hole is provided inside the central pipe of the inner holder; and an intermediate layer of the inner and outer stent void likewise be used to assist breathing tube used; the other is inside the holder is also provided inside pores, on the one hand the overall weight can be reduced and materials used; on the other hand increases the breathing passages; and external support in the present invention may be provided with a variety of structures, helical, punctate distribution, linear or annular structures, different external support structure can be adapted to different medical conditions, and firmly support the extent of these structures are strong, and have a small force area characteristics, can significantly reduce the degree of stimulation of the trachea, easy to use.

[0017]上述具体实施方式只是本发明的一个优选实施例,并不是用来限制本发明的实施与权利要求范围的,凡依据本发明申请专利保护范围所述的内容做出的等效变化和修饰, 均应包括于本发明专利申请范围内。 [0017] The foregoing description is only a preferred embodiment of the present invention, not intended to limit the scope of the claims and embodiments of the present invention as claimed, all equivalent variations based on the content of the patent protection scope of the present invention is made and modifications should be included within the scope of the present invention in patent application.

Claims (5)

1. 一种3D打印气管支架,其特征在于:包括内层支架⑴和外层支架⑵;所述的内层支架(1)和外层支架(2)均设置为圆环状支架,且所述的外层支架(2)的外径大于内层支架(1) ,而所述的内层支架(1)的厚度则大于外层支架(2),且所述的内层支架(1)与外层支架(2) 之间通过均匀分布的支撑杆(3)相连;所述的内层支架(1)的中心处设置为中心气管(4),而所述的内层支架(1)与外层支架(2)之间的空隙设置为辅助气管(5);且所述的外层支架(2)的外表面还设置有均匀分布的凸起支撑(6);所述的内层支架(1)中还设置有气孔(7);所述的气孔⑺均匀分布,且所述的气孔(7)均设置为弧形结构。 A 3D printing tracheal stent, characterized in that: the bracket comprises an inner layer and an outer layer ⑴ ⑵ bracket; said inner support (1) and an outer holder (2) are set to an annular holder, and the the outer diameter of the outer stent (2) is greater than said inner support (1), and the thickness of said inner stent (1) is larger than the outer holder (2) and said inner stent (1) and the outer holder (3) is connected between (2) by support rods evenly distributed; inner center of the holder (1) is set to the center pipe (4), and said inner support (1) and a gap is provided between the outer holder (2) is a secondary pipe (5); and an outer surface of said outer stent (2) is further provided with a supporting projection (6) uniformly distributed; said inner layer the support (1) is also provided with a hole (7); ⑺ uniform distribution of the pores, and said pores (7) are disposed arcuate configuration.
2. 根据权利要求1所述的一种3D打印气管支架,其特征在于:所述的内层支架(1)与外层支架⑵之间设置的支撑杆C3)共设置六个;且所述的支撑杆(3)均匀分布;且所述的支撑杆⑶的高度设置为l-3mra。 The claim requires a 3D printing tracheal stent of claim 1, wherein: said support bar C3 disposed between the inner support (1) and an outer layer of the stent ⑵) were set six; and the support bars (3) are uniformly distributed; and said support bar to a height ⑶ l-3mra.
3. 根据权利要求2所述的一种3D打印气管支架,其特征在于:所述的内层支架(1)内的气孔(7)共设置有六个,所述的六个气孔(7)间隔均匀设置,且所述的气孔(7)与内外层支架⑵之间设置的支撑杆C3)为交错设置。 3. The 3D printing requires a tracheal stent of claim 2, wherein: said inner bracket hole (7) in (1) is provided with a total of six of the six air holes (7) C3 disposed between the support rods (7) and the inner and outer layers disposed uniformly spaced ⑵ holder, and the pores) is set to interlace.
4. 根据权利要求1所述的一种打印气管支架,其特征在于:所述内层支架(1)的外径设置为外层支架(2)的外径的一半;而所述的外层支架(2)的厚度设置为内层支架(1)厚度的一半。 4. A print tracheal stent according to claim 1, wherein: an outer diameter of said inner stent (1) is provided to the outer holder (2) is half the diameter; and said outer layer thickness of the bracket (2) is provided to an inner bracket (1) half of the thickness.
5. 根据权利要求1所述的一种3D打印气管支架,其特征在于:所述的外层支架(2)外部的凸起支撑(6)可设置成均匀分布的点状结构或者是环绕外层支架(2)的圆环结构或者是沿外层支架(2)轴向均匀延伸的直线结构或者是环绕外层支架(2)表面的螺旋结构;所述的凸起支撑⑵的厚度设置为〇.5mm。 According to claim 1. A 3D printing tracheal stent, characterized in that: (2) outside of the outer raised support bracket (6) may be provided evenly distributed dot is surrounded by an outer or layer support (2) or a ring structure along the outer holder (2) extending axially homogeneous linear structure or an outer layer surrounding the stent (2) of the helical structure surface; the projection thickness to support ⑵ 〇.5mm.
CN201710524302.2A 2017-06-30 2017-06-30 3D print tracheal stent CN107174384A (en)

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CN107913122A (en) * 2017-12-28 2018-04-17 宁波高新区方元三维科技有限公司 3D printing gas tube bracket

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CN102038564A (en) * 2009-10-14 2011-05-04 周星 Supporting frame capable of being taken out
CN105056302A (en) * 2015-08-26 2015-11-18 上海市肺科医院 Method for preparing biological composite artificial trachea and application thereof
CN105853022A (en) * 2016-06-01 2016-08-17 上海交通大学医学院附属上海儿童医学中心 Tracheal stent, tissue engineering trachea adopting tracheal stent and application of tracheal stent and tissue engineering trachea
CN106618817A (en) * 2016-12-23 2017-05-10 首都医科大学附属北京儿童医院 3D printing endotracheal stent for babies and preparation method and application thereof

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CN107913122A (en) * 2017-12-28 2018-04-17 宁波高新区方元三维科技有限公司 3D printing gas tube bracket

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