JP2007028248A - Method for manufacturing hearing aid shell - Google Patents

Method for manufacturing hearing aid shell Download PDF

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JP2007028248A
JP2007028248A JP2005208107A JP2005208107A JP2007028248A JP 2007028248 A JP2007028248 A JP 2007028248A JP 2005208107 A JP2005208107 A JP 2005208107A JP 2005208107 A JP2005208107 A JP 2005208107A JP 2007028248 A JP2007028248 A JP 2007028248A
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shell
shape
data
component
shape data
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JP4349337B2 (en
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Yoshimasa Shimokouchi
Keiji Shintani
Yoshiyuki Yoshizumi
芳真 下河内
嘉之 吉住
啓司 新谷
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Matsushita Electric Ind Co Ltd
松下電器産業株式会社
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Abstract

PROBLEM TO BE SOLVED: To provide a method for preparing formative shell shape data by which an optimum shell shape can be easily determined in a method for manufacturing a hearing aid shell by using three-dimensional shape data.
SOLUTION: Ear hole shape data obtained by three-dimensionally measuring the shape of a user's ear hole are inputted to a computer. In a process for preparing shape data for manufacturing a hearing aid shell by deforming the ear hole data on three-dimensional shape processing software, component interference checking CAD data obtained by adding a necessary gap between a component and the ear hole shape data to the component shape CAD data of a built-in component itself are previously prepared and shell shape data are prepared by applying the CAD data to the simulation of a shell inside for the determination of the shell shape.
COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は装着者個々の耳穴形状に合わせて作製される補聴器用シェルの製造方法に関するものである。 The present invention relates to a method for manufacturing a hearing aid shell made in accordance with the wearer individual ear canal shapes.

最近では、3次元形状データを利用した補聴器用シェルの製造方法が実現されてきている(例えば特許文献1参照)。 Recently, the production method of the hearing aid shell including a three-dimensional shape data has been realized (for example, see Patent Document 1). その製造方法を図3に示す。 The manufacturing method shown in FIG. まず、補聴器装用者の耳穴の形状について、シリコンなどの印象材を用いて耳穴形状を型取りした耳型、または、耳穴を直接、3次元形状測定器1を用いて形状測定を行い、耳穴形状データ2を得る。 First, the shape of the ear of the hearing aid wearer uses the impression material, such as silicon ear shape templating ear type, or directly to the ear canal, perform shape measurement using a three-dimensional shape measuring device 1, the ear canal shape obtain the data 2. 次に、耳穴形状データ2をコンピュータ3に取り込み、3次元形状処理ソフトウェア14を用いて補聴器用シェルの造形用シェル形状データ5を作成する。 Next, it captures the ear hole shape data 2 to the computer 3, to create a shaped shell shape data 5 of the hearing aid shell with a three-dimensional shape processing software 14. 次に、作成された補聴器用シェルの造形用シェル形状データ5を、例えば光造形機などの数値制御造形機に送信し、そのデータをもとに補聴器用シェルを製造する。 Then, the shaped shell shape data 5 of the hearing aid shell created, for example, transmitted to the numerical control shaping machine such as a stereolithography machine to produce a hearing aid shell based on the data.

この中で、補聴器をなるべく小さく目立たない大きさ、形状に作製するという要求のために、3次元形状処理ソフトウェア14を用いて補聴器用シェルの造形用シェル形状データ5を作成する工程において、必要な部品を内蔵できる最適な大きさのシェル形状が求められる。 In this, the hearing aid as much as possible small discreet size, for the requirement to produce a shape, in the step of creating a shaped shell shape data 5 of the hearing aid shell with a three-dimensional shape processing software 14, the required shell shape of the optimum size that can built parts are required. このため3次元形状処理ソフトウェア14では、画面表示6において、内蔵される部品そのままの形状を表した部品形状CADデータ8および最終的に形成されるシェル肉厚を設定したシェル内側面12を画面表示し、部品とシェル内側が当たらないように部品配置をシミュレーションし、最小限のシェル形状データを作成していく(例えば特許文献2参照)。 For this reason the three-dimensional shape processing software 14, the screen display 6, the screen displays the shell inner surface 12 which sets the shell thickness which parts are component shape CAD data 8 and finally formed representing the intact shape to be built and to simulate the part arranged not strike the parts and the shell inner, will create a minimum of shell shape data (for example, see Patent Document 2). この時、内部の状態を見えるように表示する必要があるため、通常、部品やシェルは半透明表示やメッシュ表示などの透かし状態で画面表示される。 In this case, it is necessary to display at visible the internal state, usually, parts and shells are screen display watermark conditions such as translucent display or mesh representation.
特開平9−10253号公報 JP 9-10253 discloses 特表2004−511154号公報 JP-T 2004-511154 JP

前記の、部品形状CADデータおよびシェル肉厚表示によるシミュレーションでは、シェル外面、内面が二重に透かして画面表示されるため、部品とシェル内部の関係が表示上判別しにくくなり、最適なシェル形状を決定しにくいという問題があった。 Said, the simulation by the component geometry CAD data and the shell wall thickness display, the shell outer surface, since the inner surface is watermark screen doubly become related parts and the shell interior hardly discriminated on the display, the optimal shell shape there has been a problem that it is difficult to determine.

また、前記の部品形状CADデータおよびシェル肉厚表示によるシミュレーションでは、部品とシェル内側面が干渉するか、干渉しないかについては、干渉部分の表示色を変える等により、画面表示を見て判定することができるが、部品とシェル内側面の隙間を何mm以上取る等の条件の場合は、画面表示を見て判定することが難しかった。 Further, it is determined in the simulation by the part geometry CAD data and the shell wall thickness display, or components and the shell inner surface interfere, for either does not interfere with such varying the display color of the interference portion, and looking at the screen display can, but if the conditions such as take a clearance component and the shell inner surface What mm or more, it is difficult to determine by looking at the screen display.

本発明は、従来の問題を解決するためになされたもので、前記部品とシェルの画面表示を改善し、最適なシェル形状データを作成しやすくすることを目的とする。 The present invention has been made to solve the conventional problems, to improve the screen display of the component and the shell, and an object thereof is to easily create an optimal shell shape data.

本発明の造形用シェル形状データの作成方法は、装用者の耳穴の形状を3次元計測してコンピュータに取り込まれた耳穴形状データを使用して3次元形状処理ソフトウェア上で変形処理して補聴器用シェルの製造用形状データを作成する工程において、前もって、内蔵部品そのままの部品形状CADデータに部品と耳穴形状データとの間に必要な隙間分を付加した部品干渉確認用CADデータを作成しておき、シェル形状決定のためのシェル内部のシミュレーションに利用して、シェル形状データを作成する工程を有している。 How to create the shaping shell shape data of the present invention, a hearing aid and deformation processing on the three-dimensional shape processing software using the ear hole shape data of the shape of the ear canal three-dimensional measurement to have been taken into the computer of the wearer in the step of creating a shell manufacturing shape data in advance, advance to create a component interference confirmation CAD data by adding the gap amount required between the internal components and parts and the ear canal shape data as it is a component shape CAD data , using the shell inside the simulation for the shell shape determination, and has a step of creating a shell shape data.

この製造方法により、より容易に最適な補聴器用シェルを提供することができる。 This manufacturing method can provide a more readily the optimum hearing aid shell.

本発明は、装用者の耳穴の形状を3次元計測して得られた耳穴形状データをコンピュータに取り込み、取り込まれた耳穴形状データをもとに3次元形状処理ソフトウェア上で変形処理して補聴器用シェルの製造用形状データを作成する工程において、前もって、内蔵部品そのままの部品形状CADデータに部品と耳穴形状データとの間に必要な隙間分を付加した部品干渉確認用CADデータを作成しておき、シェル形状決定のためのシェル内部のシミュレーションに利用して、シェル形状データを作成することにより、より容易に最適な補聴器用シェルを提供することができる。 The present invention takes the ear hole shape data obtained by the shape three-dimensional measurement of the wearer's ear canal of the computer, the ear hole shape data captured in the transformation process on the original three-dimensional shape processing software hearing aids in the step of creating a shell manufacturing shape data in advance, advance to create a component interference confirmation CAD data by adding the gap amount required between the internal components and parts and the ear canal shape data as it is a component shape CAD data utilizes the simulation of the inner shell for shell shape determination, by creating a shell shape data, it is possible to provide more readily the optimum hearing aid shell.

以下、本発明の実施の形態の補聴器用シェルの造形用シェル形状データの作成方法について、図面を用いて説明する。 Hereinafter, how to create the shaping shell shape data of the hearing aid shell of the embodiment of the present invention will be described with reference to the drawings.

本発明の第1の実施の形態の補聴器用シェルの造形用シェル形状データの作成方法を図1に示す。 How to create a shaped shell shape data of the hearing aid shell of the first embodiment of the present invention shown in FIG.

図1において、まず、補聴器装用者の耳穴の形状について、シリコンなどの印象材を用いて耳穴形状を型取りした耳型、または、耳穴を直接、3次元形状測定器1を用いて形状測定を行い、耳穴形状データ2を得る。 In Figure 1, first, the shape of the ear of the hearing aid wearer, the impression material and mold-up ears type ear hole shape with such as silicon, or a direct, shape measurement using a three-dimensional shape measuring device 1 the ear canal performed to obtain the ear hole shape data 2. 次に、耳穴形状データ2をコンピュータ3に取り込み、3次元形状処理ソフトウェア4を用いて補聴器用シェルの造形用シェル形状データ5を作成する。 Next, it captures the ear hole shape data 2 to the computer 3, to create a shaped shell shape data 5 of the hearing aid shell with a three-dimensional shape processing software 4. このとき、補聴器をなるべく小さく目立たない大きさ、形状に作製するという要求のために、必要な部品を内蔵できる最低限の大きさのシェル形状が求められる。 At this time, hearing aid as small as possible discreet sizes, for a request to produce the shape, minimum size of the shell shaped to built the necessary components are required.

このため、3次元形状処理ソフトウェア4では、画面表示6において、耳穴形状データ2とともに、内蔵される部品の形状を表した部品干渉確認用CADデータ7を画面表示し、部品とシェル内側が当たらないように部品配置をシミュレーションし、シェル形状データを作成していく。 Therefore, in the three-dimensional shape processing software 4, the screen display 6, with the ear canal shape data 2, the part interference check for CAD data 7 representing the shape of the part to be built screen, does not touch the parts with the shell inner simulating the component placement as, will create a shell shape data. 内部の状態を見えるように表示する必要があるため、通常、部品やシェルは半透明表示やメッシュ表示などの透かし状態で画面表示される。 It is necessary to display at visible the internal state, usually, parts and shells are screen display watermark conditions such as translucent display or mesh representation.

このとき、最終的にシェルにはある一定の厚みが付加されるため、実際のシェル内側と部品の干渉を確認するためには、シェル内側面などの情報が必要となる。 At this time, since the constant thickness finally the shell there is added, in order to determine the actual interference of the shell inner and parts, it is necessary information, such as shell side.

従来の方法では、図3に示したように、耳穴形状データ2自体にシェルの肉厚を設定したシェル内側面12を画面表示し、シェル内側と部品の干渉を確認していた。 In the conventional method, as shown in FIG. 3, the shell inner surface 12 to set the thickness of the shell in the ear canal shape data 2 itself displayed on the screen, it has been confirmed interference shell inner and parts. しかし、シェル外側面13、シェル内側面12が二重に透かし状態で画面表示されるため、目視確認しにくく、最適なシェル形状決定を難しくしていた。 However, the shell outer surface 13, since the shell inner surface 12 is displayed on the screen in a watermark state doubly difficult to confirm visually, it was difficult to optimal shell shape determination.

そこで、本発明では、前もって、部品そのものの部品形状CADデータ8にシェル肉厚分9を付加した部品干渉確認用CADデータ7を作成しておき、このデータを画面表示することにより、耳穴形状データ自体にシェルの肉厚を設定した内側面を画面表示することなしに、実際のシェルと部品の干渉を確認することができるようにした。 Therefore, in the present invention, in advance, advance to create a component interference confirmation CAD data 7 by adding a shell wall thickness min 9 in component shape CAD data 8 parts themselves, by the data screen, the ear canal shape data an inner surface which is set the thickness of the shell itself without the screen display, and to be able to verify the interference of the actual shell and parts. これにより、画面の目視確認がしやすくなり、最適なシェル形状決定を容易にすることができる。 Accordingly, visual confirmation screen is easily, can facilitate the optimal shell shape determination.

最後に、作成された補聴器用シェルの造形用シェル形状データ5を、例えば光造形機などの数値制御造形機に送信し、そのデータをもとに補聴器用シェルを製造する。 Finally, the shaped shell shape data 5 of the hearing aid shell created, for example, transmitted to the numerical control shaping machine such as a stereolithography machine to produce a hearing aid shell based on the data.

次に、本発明の第2の実施の形態の補聴器用シェルの造形用シェル形状データの作成方法を図2に示す。 Next, how to create a shaped shell shape data of the hearing aid shell of the second embodiment of the present invention shown in FIG.

図2において、耳穴形状データ2をコンピュータ3に取り込み、部品干渉確認用CADデータを画面表示し、部品とシェルが当たらないように部品配置をシミュレーションし、最適なシェル形状データを作成していく工程については図1により説明した第1の実施の形態と同様である。 2, takes in the ear hole shape data 2 to the computer 3, and the screen displays the parts interference confirmation CAD data, simulating a component arrangement as part and the shell does not hit, will create the optimal shell shape data process for the same as in the first embodiment described with reference to FIG.

本発明の第2の実施の形態では、前もって、部品そのものの部品形状CADデータ8にシェル肉厚分を付加し、さらに、部分的に必要なクリアランス10などを加えた耳穴形状データとの隙間分を付加した部品干渉確認用CADデータ11を作成しておき、このデータを画面表示することができるようにした。 In the second embodiment of the present invention, in advance, added to the shell wall thickness min in component shape CAD data 8 parts themselves, further, the gap portion of the ear canal shape data or the like is added partially necessary clearance 10 the advance to create a component interference confirmation CAD data 11 obtained by adding, to the data to be able to screen display. これにより、例えば、それぞれの部品について、シェル内側に対して必要なクリアランスを個別に考慮しながら、最適なシェル形状データを作成していくことが可能となる。 Thus, for example, for each of the components, while separately considering necessary clearance to the shell inner, it is possible to continue to create an optimal shell shape data.

ここまでの説明では、1種類の部品干渉確認用CADデータ7、11を利用した方法について説明してきたが、当然、複数種類の隙間分を付加した複数種類の部品干渉確認用CADデータ7、11を用意しておき、条件によって選択使用するようにも出来るものである。 In the description so far, one has been described method using the part interference check for CAD data 7,11, of course, a plurality of types a plurality of kinds of adding the gap portion of the component interference checking for CAD data 7,11 the are prepared, it is those that can also be selectively used depending on the conditions.

以上のように、本発明にかかるシェル形状データの作成方法は、画面上でのシェルと部品の干渉を目視確認しやすくなり、最適なシェル形状決定を容易にすることができるという効果を有し、補聴器用シェルの造形用シェル形状データの作成方法として有用である。 As described above, the method of creating such a shell shape data in the present invention, it becomes easy to confirm visually the interference between the shell and the component on the screen, has the effect that it is possible to facilitate the optimal shell shape determination useful as creating a shaping shell shape data of the hearing aid shell.

本発明の第1の実施の形態における造形用シェル形状データの作成方法を示す図 It shows how to create a shaped shell shape data in the first embodiment of the present invention 本発明の第2の実施の形態における造形用シェル形状データの作成方法を示す図 It shows how to create a shaped shell shape data according to the second embodiment of the present invention 従来の造形用シェル形状データの作成方法を示す図 It shows how to create a conventional shaping shell shape data

符号の説明 DESCRIPTION OF SYMBOLS

1 3次元形状測定器 2 耳穴形状データ 3 コンピュータ 4 3次元形状処理ソフトウェア 5 造形用シェル形状データ 6 画面表示 7 部品干渉確認用CADデータ 8 部品形状CADデータ 9 シェル肉厚分 10 クリアランス 11 部品干渉確認用CADデータ 12 シェル内側面 13 シェル外側面 14 3次元形状処理ソフトウェア 1 three-dimensional shape measuring device 2 ear hole shape data 3 computers 4 3-dimensional shape processing software 5 shaping shell shape data 6 Screen 7 parts interference confirmation CAD data 8 component shape CAD data 9 shell thickness min 10 clearance 11 parts interference checking use CAD data 12 within shell side 13 shell outer surface 14 three-dimensional shape processing software

Claims (4)

  1. 装用者の耳穴の形状を3次元計測して得られた耳穴形状データをコンピュータに取り込み、取り込まれた耳穴形状データをもとに3次元形状処理ソフトウェア上で変形処理して補聴器用シェルの製造用形状データを作成する工程において、前もって、内蔵部品そのままの部品形状CADデータに部品と耳穴形状データとの間に必要な隙間分を付加した部品干渉確認用CADデータを作成しておき、シェル形状決定のためのシェル内部のシミュレーションに利用することを特徴とする、造形用シェル形状データの作成方法。 Captures the ear hole shape data obtained by the shape three-dimensional measurement of the wearer's ear canal of the computer, the ear hole shape data captured in the transformation process on the original three-dimensional shape processing software for the production of hearing aid shells in the step of creating the shape data in advance, advance to create a component interference confirmation CAD data by adding the gap amount required between the internal components and parts and the ear canal shape data as it is a component shape CAD data, the shell shape determination characterized by utilizing the shell inside the simulation, the creation of the shaping shell shape data method for.
  2. 前もって、内蔵部品そのものの部品形状CADデータにシェル肉厚分を付加した部品干渉確認用CADデータを作成しておき、シェル形状決定のためのシェル内部のシミュレーションに利用することを特徴とする、請求項1に記載の、造形用シェル形状データの作成方法。 Previously, the built-in components themselves part geometry CAD data previously created a component interference confirmation CAD data by adding the shell thickness minutes, the process is characterized by utilizing the shell inside the simulation for the shell shape determination, wherein according to claim 1, the method of creating the shaping shell shape data.
  3. 前もって、内蔵部品そのものの部品形状CADデータにシェル肉厚分を付加し、さらに、部分的に必要なクリアランスなどを加えた部品干渉確認用CADデータを作成しておき、シェル形状決定のためのシェル内部のシミュレーションに利用することを特徴とする、請求項1に記載の、造形用シェル形状データの作成方法。 Beforehand, adding a shell wall thickness min in component shape CAD data of the internal components themselves, further advance to create a partial component interference confirmation CAD data of the like is added clearance required, shell for shell shape determination characterized by use within the simulation, according to claim 1, the method of creating the shaping shell shape data.
  4. 前もって、内蔵部品そのままの部品形状CADデータに部品と耳穴形状データとの間に必要な複数の種類の隙間分を付加した複数の種類の部品干渉確認用CADデータを作成しておき、条件によって選択して、シェル形状決定のためのシェル内部のシミュレーションに利用することを特徴とする、請求項1または2または3に記載の、造形用シェル形状データの作成方法。 Beforehand, built-in part in advance to create a component and a plurality of kinds of parts interference confirmation CAD data by adding the gap portion of the plurality of types required between the ear hole shape data as it is a component shape CAD data, selected by the condition to, characterized in that it utilized to simulate the inner shell for shell shape determination, according to claim 1 or 2 or 3, the method of creating the shaping shell shape data.
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