JP2585021B2 - Eyeless suture needle manufacturing equipment - Google Patents
Eyeless suture needle manufacturing equipmentInfo
- Publication number
- JP2585021B2 JP2585021B2 JP62236201A JP23620187A JP2585021B2 JP 2585021 B2 JP2585021 B2 JP 2585021B2 JP 62236201 A JP62236201 A JP 62236201A JP 23620187 A JP23620187 A JP 23620187A JP 2585021 B2 JP2585021 B2 JP 2585021B2
- Authority
- JP
- Japan
- Prior art keywords
- needle material
- needle
- laser
- laser light
- laser beam
- 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.)
- Expired - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21G—MAKING NEEDLES, PINS OR NAILS OF METAL
- B21G1/00—Making needles used for performing operations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Description
【発明の詳細な説明】 ＜産業上の利用分野＞ 本発明はアイレス縫合針の製造装置に係り、特にレー
ザー光を用いて針材の元端面に穴を穿設して構成するア
イレス縫合針の製造装置に関するものである。Description: TECHNICAL FIELD The present invention relates to an apparatus for manufacturing an eyeless suture needle, and more particularly to an eyeless suture needle having a hole formed in a base end face of a needle material by using a laser beam. The present invention relates to a manufacturing apparatus.
＜従来の技術＞ 従来、レーザー光を用いて針材の元端面に穴を穿設し
てアイレス縫合針を製造する方法或いは装置としては既
に本件特許出願人が開発した例えば特開昭60−68184号
公報，同60−170590号公報等に示す技術が公知である。<Prior Art> Conventionally, a method or an apparatus for manufacturing an eyeless suture needle by piercing a hole at the base end face of a needle material using a laser beam has been developed by the present applicant, for example, Japanese Patent Application Laid-Open No. 60-68184. Japanese Patent Application Laid-Open Nos. 60-170590 and 60-170590 are known.
又アイレス縫合針用の針材の元端面に精度の良い穴明
加工を施す為に針材を位置決めする装置としては既に本
件特許出願人が開発した特開昭52−111294号公報，同61
−30250号公報，実公昭62−21396号公報等に示す技術が
公知である。Japanese Patent Application Laid-Open Nos. Sho 52-111294 and 61-61294 have already developed a device for positioning a needle material for performing accurate drilling on the base end surface of a needle material for an eyeless suture needle.
Techniques disclosed in Japanese Patent Publication No. -30250 and Japanese Utility Model Publication No. Sho 62-21396 are known.
レーザー光を用いて針材の元端面に良好な穴形状を有
する穴を正確に穴明加工するには、（Ａ）レーザー光の
強さが適切に設定されかつ一定であること、（Ｂ）レー
ザー光の強さ分布即ちレーザー光の性質が良好であるこ
と、（Ｃ）レーザー光集光の焦点距離を適切に選定する
こと、（Ｄ）適切な径を有する孔にレーザー光を通過さ
せることによってアパーチャーしてレーザー光及びこれ
によって穿設される穴の輪郭を明確にすること、（Ｅ）
レーザー光の焦点に対する針材の元端面位置を正確に規
定すること等が、全て重要であるとされていた。In order to accurately drill a hole having a good hole shape on the base end face of the needle material using laser light, (A) the intensity of the laser light is appropriately set and constant, (B) Laser light intensity distribution, that is, good properties of laser light, (C) appropriate selection of focal length of laser light focusing, (D) passing of laser light through a hole having an appropriate diameter Aperture to define the laser beam and the contour of the hole drilled thereby, (E)
It has been all considered important to accurately define the position of the base end face of the needle with respect to the focal point of the laser beam.
＜発明が解決しようとする問題点＞ 然るに、前述の内の（Ａ）乃至（Ｅ）の中でも特に
（Ｅ）のレーザー光の焦点に対する針材の元端面位置を
正確に規定することは極めて重要であるが、次々に送ら
れて来る極めて多数の針材を短時間の間に正確にセット
することは困難であった。かつ針材の元端面位置を正確
に規定することが出来ない場合には次の様な問題点が発
生していた。<Problems to be Solved by the Invention> However, it is extremely important to accurately define the original end face position of the needle member with respect to the focal point of the laser beam in (A) to (E) among the above (A) to (E). However, it has been difficult to accurately set a very large number of needle materials sent one after another in a short time. In addition, when the position of the base end face of the needle material cannot be accurately defined, the following problems have occurred.
即ち、第４図に示す如く、レーザー光１の焦点1aと針
材２の元端面2aとの距離ｘが変化すると、例えば焦点距
離40mmのレンズで0.5mm径の針に穴明する場合は、第５
図（ａ）乃至（ｄ）に示す様に針材２の元端面2aに形成
される穴３の形状が著しく変化し、従って径の細い針材
（例えば人間の頭髪の２分の１程度の0.05mmの径を持っ
た針材）に正確なレーザー光による目くら状の止まり穴
加工をすることは他に類の無い程困難であった。第５図
の（ａ）はｘ＝０にした場合、（ｂ）はｘ＝0.2にした
場合、（ｃ）はｘ＝0.4にした場合、（ｄ）はｘ＝0.6に
した場合であり、焦点1aと針材２の元端面2aとの距離ｘ
が変化することによって穴３の形状及び深さが全く変化
してしまうことが明らかである。That is, as shown in FIG. 4, when the distance x between the focal point 1a of the laser beam 1 and the original end face 2a of the needle material 2 changes, for example, when a lens having a focal length of 40 mm is perforated with a 0.5 mm diameter needle, Fifth
As shown in FIGS. 3A to 3D, the shape of the hole 3 formed in the original end face 2a of the needle material 2 is remarkably changed, and therefore, the needle material having a small diameter (for example, about half of human hair). It is extremely difficult to make blind hole-shaped blind holes with a precise laser beam on a needle material having a diameter of 0.05 mm). FIG. 5 (a) shows a case where x = 0, (b) shows a case where x = 0.2, (c) shows a case where x = 0.4, and (d) shows a case where x = 0.6. Distance x between focal point 1a and original end face 2a of needle material 2
It is clear that the shape and depth of the hole 3 are completely changed due to the change of.
手術用アイレス針の穴はその中に縫合糸が挿入され、
かつ均一な力でかしめて取り付けられるので、常に均一
な形状と深さを保持することが要求され、穴径の精度も
細いものに於いては±0.005mm程度迄要求されている。Suture is inserted into the hole of the surgical eyeless needle,
In addition, since it is crimped with a uniform force, it is required to maintain a uniform shape and depth at all times, and the precision of the hole diameter is required to be about ± 0.005 mm for those having a small hole diameter.
本発明に係る装置は従来のこれ等の点に鑑み開発され
た全く新規な技術に関するものである。The device according to the present invention relates to a completely new technology which has been developed in view of these conventional points.
＜問題点を解決するための手段＞ 本発明は、レーザー光軸と同軸上に針材を保持してレ
ーザー光によって該針材の元端面に穴明けを行う装置に
於いて、前記レーザー加工用の針材を所定の穴明位置よ
りもレーザー導光路のレーザー光発振装置寄りに供給す
る針材供給装置と、前記針材供給装置によってレーザー
導光路に供給された針材を所定の穴明位置に押し込みか
つレーザー光の照射時にはレーザー光をさえぎることの
無い位置に移動する針材押込装置とを設けて構成したこ
とを特徴としたアイレス縫合針の製造装置である。<Means for Solving the Problems> The present invention relates to an apparatus for holding a needle material coaxially with a laser optical axis and making a hole in the original end face of the needle material with a laser beam. A needle material supply device that supplies the needle material to the laser light guide path closer to the laser light oscillator than the predetermined hole position, and a needle material supplied to the laser light guide path by the needle material supply device at a predetermined hole position. And a needle pushing device which moves to a position where the laser beam is not interrupted when the laser beam is irradiated.
＜作用＞ 本発明に係る装置に於いては上述の如く、レーザー加
工用の針材を所定の穴明位置よりもレーザー導光路のレ
ーザー光発振装置寄りに供給する針材供給装置と、該装
置によって供給された針材を穴明位置迄正確に押し込む
ことが出来る押込装置とを有するので、これ等の装置に
よって針材を自動的に供給しながら、穴明加工を行なう
針材の元端面を正確な位置に短時間で固定することが出
来、これによって針材の元端面に精度の良いレーザー加
工を施すことが出来、更に押込装置はレーザー光の照射
時にその位置を移動するので、レーザー光をさえぎるこ
とが無く、スムーズな加工を施すことが出来る。<Operation> As described above, in the device according to the present invention, a needle material supply device that supplies a laser processing needle material to a laser light guide path closer to a laser light oscillator than a predetermined drilled position, and the device Has a pushing device that can accurately push the needle material supplied to the drilling position up to the perforated position. It can be fixed at an accurate position in a short period of time, which makes it possible to perform accurate laser processing on the original end face of the needle material. Further, the pushing device moves its position when irradiating laser light, It is possible to perform smooth processing without interrupting.
＜実施例＞ 図により本発明に係る装置の一実施例を具体的に説明
すると、第１図に於いて、４は針材２を安定した状態で
挿入して保持し得るＶ溝であって、ブロック５の上面に
設けられている。６はＶ溝４に挿入された針材２を軽く
押圧して固定し得る押さえレバーである。７は針材供給
装置となる外周面に針材２を挿入し得る複数個の溝８を
有する溝車であって、ホッパー９より溝８に次々に供給
される針材２をブロック５のＶ溝４に投下して載置し得
る如く構成されている。10は図示せざるレーザー発振装
置より発振されたレーザー光であって、レンズ11を介し
て、Ｖ溝４に保持された針材２の元端面2aにこのレーザ
ー光10を照射し得る如く構成されている。12は押込装置
であって、Ｖ溝４に保持された針材２の元端面2aを押し
て、針材２を反対側に押し込むことが出来るように構成
されている。13は押込装置12の側面に突設したストッパ
ーである。<Embodiment> One embodiment of the apparatus according to the present invention will be specifically described with reference to the drawings. In FIG. 1, reference numeral 4 denotes a V-shaped groove which can insert and hold the needle material 2 in a stable state. , Block 5. Reference numeral 6 denotes a pressing lever which can lightly press and fix the needle material 2 inserted in the V groove 4. Reference numeral 7 denotes a groove wheel having a plurality of grooves 8 into which the needle material 2 can be inserted on an outer peripheral surface serving as a needle material supply device, and the needle material 2 supplied from the hopper 9 to the grooves 8 one after another. It is configured so that it can be dropped and placed in the groove 4. Reference numeral 10 denotes a laser beam oscillated by a laser oscillation device (not shown), which is configured to irradiate the laser beam 10 via a lens 11 to the original end face 2a of the needle material 2 held in the V-groove 4. ing. Reference numeral 12 denotes a pushing device, which is configured to push the original end surface 2a of the needle material 2 held in the V-groove 4 and to push the needle material 2 to the opposite side. Reference numeral 13 denotes a stopper protruding from a side surface of the pushing device 12.
又この押込装置12はレーザー光10の光軸方向に移動す
ると同時にこの光軸と直交する方向にも揺動し、レーザ
ー光10によって針材２の元端面2aを穴明加工する際には
これでレーザー光10を邪魔しないように構成されてい
る。The pushing device 12 moves in the direction of the optical axis of the laser beam 10 and at the same time swings in a direction perpendicular to the optical axis, and when the laser beam 10 drills the original end surface 2a of the needle material 2, , So as not to disturb the laser beam 10.
次に上記実例に於ける装置の作動について説明する
と、ホッパー９より溝車７を介してブロック５のＶ溝４
に投下される針材２は、レーザー光10によって穴明加工
される本来の位置よりもレーザー発振装置又はレンズ11
に近寄った位置に供給され、直ちに押さえレバー６によ
って軽く押さえられて保持される。次に押込装置12がブ
ロック５に向かってそのストッパー13が突き当たる迄移
動し、これによって針材２を押し込み、針材２の元端面
2aを加工する本来の位置に正確に設置し、続いて押込装
置12はレーザー光10の光軸と直交する方向に揺動し、こ
の状態でレーザー発振装置よりレーザー光10を発振し、
このレーザー光10によって針材２の元端面2aにレーザー
穴明加工を施すことが出来る。レーザー加工された針材
２は従来公知のエアーで吹き飛ばす方法、或いは特開昭
61−30250号公報等に示す如きスライド式取出装置を用
いることによってＶ溝４内より簡単に取り出し、その間
に押込装置12は元の状態の位置に戻り次の動作に備える
ことが出来る。Next, the operation of the device in the above embodiment will be described.
The needle material 2 dropped on the laser oscillator 10 or the lens 11 is more than the original position where the laser beam 10 is drilled.
And is immediately pressed down and held by the holding lever 6. Next, the pushing device 12 moves toward the block 5 until its stopper 13 abuts, thereby pushing the needle material 2 and the original end face of the needle material 2.
2a is accurately set at the original position to be processed, and then the pushing device 12 swings in a direction orthogonal to the optical axis of the laser beam 10, and in this state, oscillates the laser beam 10 from the laser oscillation device,
The laser beam 10 enables laser drilling to be performed on the original end surface 2a of the needle material 2. The laser-processed needle material 2 is blown off with a conventionally known air,
By using a slide type take-out device as shown in JP-A-61-30250, the take-out device can be easily taken out of the V-groove 4 while the push-in device 12 returns to its original position and is ready for the next operation.
上記実施例に於いて、Ｖ溝４に挿入された針材２を押
込装置12で押し込む際には押さえレバー６で軽く押さえ
ることが必要であり、強く押さえると針材２を押し込む
時に針材２の表面に傷を付ける恐れがあり、一方で針材
２を押さえないで押し込むと針材２が小さいものであっ
てもイナーシャが付いて押込装置12が停止してもそれ以
上に針材２が移動してしまう恐れがある為である。In the above embodiment, when the needle material 2 inserted into the V-groove 4 is pressed by the pressing device 12, it is necessary to lightly press the pressing lever 6; If the needle material 2 is pushed in without being pressed, even if the needle material 2 is small, even if the inertia is attached and the pushing device 12 stops, the needle material 2 may be further damaged. This is because they may move.
上記実施例に於いてはＶ溝４を有するブロック５を使
用し、このＶ溝４に針材２を載置するように構成した
が、針材２を保持する装置としては第２図に示す如きコ
レットチャック14を使用することも可能である。この場
合には図示しない針材供給装置より針材２の元端面2aが
コレットチャック14の端面よりも突出する如く、コレッ
トチャック14内へ針材２を供給し、仮チャックの状態で
図に示す如きレーザー光10の光軸と平行の方向に移動す
る押込装置15の押込部15aでそのストッパー16が位置の
微調整が可能な固定側ストッパー17に突き当たる迄針材
２の元端面2aを押し込み、これによって針材２の元端面
2aを加工位置に規定することが出来る。又押込装置15の
所定位置にはレーザー光10を通過することが出来る光穴
18が穿孔されており、押込装置15による針材２の押し込
みが完了すると、押込装置15はレーザー光10の光軸と直
交する方向にスライドし、この光穴18にレーザー光10を
通過せしめて、針材２の元端面2aを穴明け加工し得るよ
うに構成されている。In the above embodiment, the block 5 having the V-groove 4 is used, and the needle material 2 is placed in the V-groove 4. A device for holding the needle material 2 is shown in FIG. It is also possible to use such a collet chuck 14. In this case, the needle material 2 is supplied into the collet chuck 14 from a needle material supply device (not shown) such that the original end surface 2a of the needle material 2 projects beyond the end surface of the collet chuck 14, and is shown in the drawing in a state of the temporary chuck. The original end surface 2a of the needle material 2 is pushed until the stopper 16 of the pushing device 15 moves in a direction parallel to the optical axis of the laser beam 10 until the stopper 16 abuts against the fixed-side stopper 17 whose position can be finely adjusted. By this, the original end face of the needle material 2
2a can be defined as the processing position. A light hole through which the laser beam 10 can pass is provided at a predetermined position of the pushing device 15.
When the pushing of the needle material 2 by the pushing device 15 is completed, the pushing device 15 slides in a direction orthogonal to the optical axis of the laser light 10 and passes the laser light 10 through the light hole 18. The original end surface 2a of the needle material 2 can be formed by drilling.
この実施例の場合には、針２をレンズ11と反対の方向
からコレットチャック14に供給し、穴明加工が完了した
後はレンズ11側から取り出すことが出来る。In the case of this embodiment, the needle 2 is supplied to the collet chuck 14 from a direction opposite to the lens 11 and can be taken out from the lens 11 after the drilling is completed.
前記第１図の実施例に於いては溝車７を介して針材２
をブロック５のＶ溝４に供給するように構成したが、第
３図に示す如く、溝車７の代わりにロボットフィンガー
19を使用し、このロボットフィンガーによって針材２を
１本づつつまんで、ブロック５のＶ溝４に供給し、押さ
えレバー６等のクランプ装置で軽く押圧することによっ
て保持することが出来る。図中12は押込装置であって、
その上側面には針材２の元端面2aを押圧し得る押圧部12
aが設けられ、かつその下部には微調整が可能なストッ
パー13aが取り付けられている。In the embodiment shown in FIG. 1, the needle material 2 is
Is supplied to the V-groove 4 of the block 5, but as shown in FIG.
Using the robot finger 19, the needle material 2 can be wrapped one by one by the robot finger, supplied to the V groove 4 of the block 5, and held by lightly pressing with a clamp device such as the holding lever 6. 12 is a pushing device in the figure,
On its upper surface, a pressing portion 12 that can press the original end surface 2a of the needle material 2
a is provided, and a stopper 13a that can be finely adjusted is attached to a lower portion thereof.
上記実施例に於けるロボットフィンガー19は針材２の
針先側を上述の如く把持したままで全作業を行ない、加
工作業を終了した後ではそのまま針材２を次工程へ供給
することが可能である。又針材２の位置決め加工時点で
はフィンガー19の把持は解除することが可能である。The robot finger 19 in the above embodiment performs all the work while holding the needle tip side of the needle material 2 as described above, and can supply the needle material 2 to the next process as it is after finishing the processing operation. It is. At the time of positioning the needle material 2, the gripping of the finger 19 can be released.
以上第１図乃至第３図の実施例では、押込装置の押し
込み時の動きを光軸と平行方向で説明したが、大きな円
弧状の動き又は、光軸と多少角度を持った動き等の他の
動きでも針材２を穴明位置迄正確に押し込めれば良い。In the embodiments of FIGS. 1 to 3 described above, the movement of the pushing device at the time of pushing is described in the direction parallel to the optical axis. However, other movements such as a large arc-like movement or a movement having a slight angle with the optical axis are described. It is sufficient that the needle material 2 is accurately pushed into the perforated position even in the above movement.
＜発明の効果＞ 本発明に係る装置に於いては上述の如き構造と作用と
を有するので、針材をＶ溝又はコレットチャック等の保
持装置に高速度で自動的に送給することが出来、かつ針
材の元端面をレーザー加工される所定の位置よりもレー
ザー導光路のレーザー光発振装置寄りに供給することが
出来、又押込装置の作動によって針材の元端面を押圧し
てその針材の元端面を加工時の正確な位置にセットする
ことが出来、これによって針材の元端面に精度の良いレ
ーザー加工を施すことが出来、更に本装置に於いては針
状の元端面を押圧して針材の元端面を位置決めするの
で、針材の先端から押して位置決めする場合と異なり、
針材の長さのバラツキによる針材の元端面にズレが発生
したり、或いは尖端を有する針先を損傷する恐れがな
く、しかも前記押込装置はレーザー光の照射時にその位
置を移動するので、レーザー光をさえぎることなくレー
ザー加工をスムーズに施すことが出来る等の特徴を有す
るものである。<Effect of the Invention> Since the apparatus according to the present invention has the above-described structure and operation, the needle material can be automatically fed at a high speed to a holding device such as a V-groove or a collet chuck. In addition, the original end face of the needle material can be supplied to the laser light guide path closer to the laser light oscillation device than a predetermined position where the laser processing is performed. The original end face of the material can be set to the correct position at the time of processing, and this allows the laser beam to be applied to the original end face of the needle material with high accuracy. Pressing to position the original end face of the needle material, unlike positioning when pressing from the tip of the needle material,
There is no risk that the original end face of the needle material is displaced due to variation in the length of the needle material, or there is no risk of damaging the needle tip having the pointed tip, and the pushing device moves its position when irradiating the laser light, It has features such that laser processing can be performed smoothly without interrupting laser light.
第１図は本発明に係る装置の簡略説明図、第２図及び第
３図は夫々他例の説明図、第４図はレーザー光の焦点と
針材の元端面との位置関係を示す説明図、第５図（ａ）
乃至（ｄ）は夫々レーザー光の焦点距離による穴の形状
を表わす断面説明図である。 1,10はレーザー光、1aは焦点、２は針材、2aは針材の元
端面、３は穴、４はＶ溝、５はブロック、６は押さえレ
バー、７は満車、９はホッパー、11はレンズ、12,15は
押込装置、13,13a,16,17はストッパー、14はコレットチ
ャック、18は光穴、19はロボットフィンガーである。FIG. 1 is a simplified explanatory view of the apparatus according to the present invention, FIGS. 2 and 3 are explanatory views of other examples, respectively, and FIG. 4 is an explanatory view showing the positional relationship between the focal point of the laser beam and the original end face of the needle material. Figure, FIG. 5 (a)
(D) is a cross-sectional explanatory view showing the shape of the hole depending on the focal length of the laser beam. 1, 10 is a laser beam, 1a is a focus, 2 is a needle material, 2a is a base end face of the needle material, 3 is a hole, 4 is a V groove, 5 is a block, 6 is a holding lever, 7 is full, 9 is a hopper, 11 is a lens, 12 and 15 are pushing devices, 13, 13a, 16, 17 are stoppers, 14 is a collet chuck, 18 is a light hole, and 19 is a robot finger.
Claims (1)
ーザー光によって該針材の元端面に穴明けを行う装置に
於いて、前記レーザー加工用の針材を所定の穴明位置よ
りもレーザー導光路のレーザー光発振装置寄りに供給す
る針材供給装置と、前記針材供給装置によってレーザー
導光路に供給された針材を所定の穴明位置に押し込みか
つレーザー光の照射時にはレーザー光をさえぎることの
無い位置に移動する針材押込装置とを設けて構成したこ
とを特徴としたアイレス縫合針の製造装置。In a device for holding a needle material coaxially with a laser optical axis and making a hole in an original end face of the needle material by a laser beam, the needle material for laser processing is placed at a predetermined drilling position. A needle material supply device for supplying the laser light path closer to the laser light oscillator than the needle material supply device, the needle material supplied to the laser light guide path by the needle material supply device is pushed into a predetermined perforated position, and the laser is irradiated at the time of laser light irradiation. An eyeless sewing needle manufacturing apparatus, comprising: a needle material pushing device that moves to a position where light is not blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62236201A JP2585021B2 (en) | 1987-09-22 | 1987-09-22 | Eyeless suture needle manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62236201A JP2585021B2 (en) | 1987-09-22 | 1987-09-22 | Eyeless suture needle manufacturing equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6478690A JPS6478690A (en) | 1989-03-24 |
| JP2585021B2 true JP2585021B2 (en) | 1997-02-26 |
Family
ID=16997280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62236201A Expired - Lifetime JP2585021B2 (en) | 1987-09-22 | 1987-09-22 | Eyeless suture needle manufacturing equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2585021B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5323633A (en) * | 1992-10-09 | 1994-06-28 | United States Surgical Corporation | Apparatus and method for orienting a curved workpiece |
| CN108515205B (en) * | 2018-03-30 | 2020-04-07 | 重庆市骞焰机械有限责任公司 | Valve end cover perforating device |
-
1987
- 1987-09-22 JP JP62236201A patent/JP2585021B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6478690A (en) | 1989-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0466579B2 (en) | ||
| EP0429706A1 (en) | Laser processing method and apparatus | |
| JP2585021B2 (en) | Eyeless suture needle manufacturing equipment | |
| JPH0333437B2 (en) | ||
| JP2800949B2 (en) | Nozzle centering device for laser beam machine | |
| JPS62263889A (en) | Laser beam machine | |
| JP2724192B2 (en) | Laser processing method of film coating material | |
| JPS55154337A (en) | Cutter for multicore optical fiber | |
| JPH0366488A (en) | Laser beam drilling method | |
| JP3194830B2 (en) | Vice chuck for rod-shaped materials | |
| US20190351516A1 (en) | Micro assembly using micro multi-tools | |
| JPS60184485A (en) | Method for adjusting position of v-groove for piercing hole to eyeless needle | |
| JPH058068A (en) | Method for checking laser beam axis of laser beam machine and device used therein | |
| JPH01228688A (en) | Machining head for laser bean machine | |
| JPS61193794A (en) | Laser beam machine having multiple heads | |
| JP2684176B2 (en) | Positioning mechanism for optical components | |
| JPS63317148A (en) | Preparation of eyeless suture needle for operation and said eyeless suture needle | |
| JPS584083Y2 (en) | Lens position fine adjustment device and fixing device | |
| JPH052111U (en) | Laser emission optical mechanism | |
| JPS63108986A (en) | Machining head device for co2 laser beam machine | |
| JPS58110172A (en) | Soldering method by laser | |
| JPH0826514B2 (en) | Cutting device | |
| JP3418461B2 (en) | Laser processing torch | |
| JPS608915B2 (en) | Laser processing equipment | |
| JPH0231278Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |