JP2994062B2 - Puncture needle for ultrasonic diagnostic equipment - Google Patents
Puncture needle for ultrasonic diagnostic equipmentInfo
- Publication number
- JP2994062B2 JP2994062B2 JP3046258A JP4625891A JP2994062B2 JP 2994062 B2 JP2994062 B2 JP 2994062B2 JP 3046258 A JP3046258 A JP 3046258A JP 4625891 A JP4625891 A JP 4625891A JP 2994062 B2 JP2994062 B2 JP 2994062B2
- Authority
- JP
- Japan
- Prior art keywords
- needle
- inner needle
- tip
- gas
- rear end
- 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 - Fee Related
Links
Landscapes
- Surgical Instruments (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、超音波診断装置のプロ
ーブに形成されたガイド穴を貫通することによって被検
体に挿入させ、該被検体の所定箇所に於ける組織片の採
取を行う内針と外針とを備えた超音波診断装置用穿刺針
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultrasonic diagnostic apparatus, which is inserted into a subject by penetrating a guide hole formed in a probe to collect a piece of tissue at a predetermined position of the subject. The present invention relates to a puncture needle for an ultrasonic diagnostic apparatus including a needle and an outer needle.
【０００２】近年、診断すべき被検体の体表にプローブ
を密着させ、超音波による断層画像を形成することで被
検体に於ける臓器または腫瘍などの診断を行う超音波診
断装置が用いられている。2. Description of the Related Art In recent years, an ultrasonic diagnostic apparatus has been used which diagnoses an organ or a tumor in a subject by bringing a probe into close contact with the body surface of the subject to be diagnosed and forming a tomographic image by ultrasonic waves. I have.
【０００３】また、このような断層画像による診断で
は、診断と同時に穿刺針を被検体に挿入し、断層画像に
よって穿刺針の先端を確認することで穿刺針を所定箇所
に位置させ、被検体の組織片を採取することが行われる
ようになった。[0003] In such a diagnosis using a tomographic image, a puncture needle is inserted into the subject at the same time as the diagnosis, and the tip of the puncture needle is confirmed by the tomographic image, whereby the puncture needle is positioned at a predetermined location. Tissue debris collection has been performed.
【０００４】したがって、このようなが穿刺針を用いる
場合は、被検体に挿入された穿刺針の先端が断層画像に
よって明確に確認できるように形成されることが望まれ
ている。Therefore, when such a puncture needle is used, it is desired that the tip of the puncture needle inserted into the subject is formed so as to be clearly confirmed by a tomographic image.
【０００５】[0005]
【従来の技術】従来は図６の従来の斜視図および図７の
従来の説明図に示すように構成されていた。図７の(a)
(b)は要部断面図である。2. Description of the Related Art Conventionally, the apparatus is configured as shown in a conventional perspective view of FIG. 6 and a conventional explanatory view of FIG. FIG. 7 (a)
(b) is a sectional view of a main part.
【０００６】図６に示すように、穿刺針30は、一端に先
端部33を、他端にホルダ31A をそれぞれ設けた内針31
と、内針31を案内するように筒状に形成された一端に内
針31の先端部33を突出させる開口部34を、他端にホルダ
32A をそれぞれ設けた外針32とによって形成されてい
る。As shown in FIG. 6, the puncture needle 30 has an inner needle 31 provided with a tip 33 at one end and a holder 31A at the other end.
And an opening 34 for projecting the distal end 33 of the inner needle 31 at one end formed in a cylindrical shape so as to guide the inner needle 31, and a holder at the other end.
32A are formed by the outer needles 32 provided respectively.
【０００７】そこで、穿刺針30を用い、例えば、被検体
12に腫瘍35がある場合は、体表12に超音波診断装置のプ
ローブ14を密着させ、プローブ14に設けられたガイド穴
15に沿って穿刺針30を被検体12に挿入することが行わ
れ、このような被検体12に対する挿入は、ホルダ31A と
ホルダ32A とを手によって押すことで行い、プローブ14
からの超音波の送受信により超音波診断装置では断層画
像を形成し、その断層画像によって内針31の先端部33が
腫瘍35に突き刺さるように行われる。[0007] Then, using the puncture needle 30, for example, the subject
When a tumor 35 is present on the body 12, the probe 14 of the ultrasonic diagnostic apparatus is brought into close contact with the body surface 12, and the guide hole provided in the probe 14 is provided.
The puncture needle 30 is inserted into the subject 12 along the line 15, and such insertion into the subject 12 is performed by manually pressing the holder 31A and the holder 32A, and the probe 14
The ultrasonic diagnostic apparatus forms a tomographic image by transmitting and receiving the ultrasonic wave from the tomograph, and the tip 33 of the inner needle 31 is pierced into the tumor 35 by the tomographic image.
【０００８】また、内針31の先端部33は、図７の(a)(b)
に示すように、鋭利な針先33B と、腫瘍35などの組織35
A を採取するカエリ33A とが設けられている。そこで、
(a) に示すように、先づ、内針31の先端部33を所定の腫
瘍35に突き刺さし、次に、ホルダ32A を更に押すことで
(b) に示すように、外針32の開口部34を突き出させ、カ
エリ33A によって腫瘍35の組織片35A を採取されること
が行われる。The tip portion 33 of the inner needle 31 is shown in FIGS.
As shown in the figure, a sharp needle tip 33B and a tissue 35 such as a tumor 35
A burr 33A for collecting A is provided. Therefore,
As shown in (a), first, the distal end 33 of the inner needle 31 is pierced into a predetermined tumor 35, and then the holder 32A is further pushed.
As shown in (b), the opening 34 of the outer needle 32 is protruded, and the tissue piece 35A of the tumor 35 is collected by the frog 33A.
【０００９】[0009]
【発明が解決しようとする課題】しかし、このような内
針31および外針32は金属材によって形成されているため
プローブ14から送出される超音波が穿刺針30によって反
射され、前述の断層画像では、穿刺針30の像が鮮明に表
示されなくなる。However, since the inner needle 31 and the outer needle 32 are formed of a metal material, the ultrasonic waves transmitted from the probe 14 are reflected by the puncture needle 30, and the above-mentioned tomographic image is obtained. In this case, the image of the puncture needle 30 is not displayed clearly.
【００１０】したがって、内針31の先端部33を確認する
ことが困難となり、所定箇所の組織片35A を確実に採取
することができない問題を有していた。そこで、本発明
では、断層画像に於いて内針をカラー表示させ、被検体
に挿入された内針の位置確認を明確にすることを目的と
する。Therefore, it is difficult to confirm the distal end portion 33 of the inner needle 31, and there is a problem that the tissue piece 35A at a predetermined location cannot be reliably collected. Therefore, an object of the present invention is to display the inner needle in color on a tomographic image, and to clarify the position confirmation of the inner needle inserted into the subject.
【００１１】[0011]
【課題を解決するための手段】図１は本第１と第２の発
明の原理説明図で、図２は本第３の発明の原理説明図で
ある。FIG. 1 is a diagram illustrating the principle of the first and second inventions, and FIG. 2 is a diagram illustrating the principle of the third invention.
【００１２】図１に示すように、鋭利な針先4 と被検体
12の組織片を採取するカエリ3 を設けた第１の先端部5
と第１のホルダ6 を設けた第１の後端部7 とを有する所
定長の内針1 と、該内針1 を案内するよう筒状に形成さ
れ、該第１の先端部5 を突出させる開口部8 を設けた第
２の先端部9 と第２のホルダ10を設けた第２の後端部11
とを有する外針2 とを備え、該外針2 に該内針1 を装着
し、超音波診断装置のプローブ14に形成されたガイド穴
15を貫通することによって該被検体12に挿入させる超音
波診断装置用穿刺針であって、前記内針1 および前記外
針2 を超音波の透過率の高い合成樹脂材によって形成す
ると共に、該内針1 には前記第１の後端部7 から前記第
１の先端部5 に達する循環路16を形成し、該循環路16に
液体17または気体18を流通させるように、また、前記液
体17または前記気体18に超音波の反射率の高い微粒子よ
り成る粉体19を混入させ、該液体17または該気体18が前
記循環路16を流通することで該粉体19を流通させるよう
に、更に、図２に示すように、内針1 および外針2 を超
音波の透過率の高い合成樹脂材によって形成すると共
に、該内針1 には第１の後端部7 から第１の先端部5 に
達する中空部20を形成し、超音波の反射率の高い材質よ
り成り、回転または振動される可動体21を該中空部20に
内設するように構成する。As shown in FIG. 1, a sharp needle tip 4 and a subject
First tip 5 provided with burrs 3 for collecting 12 pieces of tissue
A predetermined length of inner needle 1 having a first rear end portion 7 provided with a first holder 6; and a cylindrical shape for guiding the inner needle 1, and projecting the first distal end portion 5 A second front end 9 provided with an opening 8 to be closed and a second rear end 11 provided with a second holder 10
An outer needle 2 having an inner needle 1 attached to the outer needle 2 and a guide hole formed in a probe 14 of an ultrasonic diagnostic apparatus.
A puncture needle for an ultrasonic diagnostic apparatus which is inserted into the subject 12 by penetrating the inner needle 15, wherein the inner needle 1 and the outer needle 2 are formed of a synthetic resin material having a high transmittance of ultrasonic waves. A circulation path 16 is formed in the inner needle 1 from the first rear end 7 to the first tip 5, and a liquid 17 or a gas 18 flows through the circulation path 16. 17 or the gas 18 is mixed with a powder 19 composed of fine particles having a high ultrasonic reflectivity, so that the liquid 17 or the gas 18 flows through the circulation path 16 so that the powder 19 flows. Further, as shown in FIG. 2, the inner needle 1 and the outer needle 2 are formed of a synthetic resin material having high transmittance of ultrasonic waves, and the inner needle 1 has a first rear end portion 7 to a first front end portion. A movable body 2 that forms a hollow part 20 reaching the part 5 and is made of a material having a high ultrasonic reflectivity, and is rotated or vibrated. 1 is provided inside the hollow portion 20.
【００１３】このように構成することによって前述の課
題は解決される。The above-mentioned configuration solves the above-mentioned problem.
【００１４】[0014]
【作用】即ち、内針1 および外針2 を超音波の透過率の
高い合成樹脂材によって形成すと共に、内針1 には第１
の後端部7 から第１の先端部5 に達する循環路16を形成
し、循環路16に液体17または気体18を流通するように、
また、液体17または気体18には超音波の反射率の高い微
粒子より成る粉体19を混入させるようにしたものであ
る。[Function] That is, the inner needle 1 and the outer needle 2 are formed of a synthetic resin material having a high transmittance of ultrasonic waves.
A circulation path 16 is formed from the rear end 7 to the first tip 5 so that the liquid 17 or the gas 18 flows through the circulation path 16.
The liquid 17 or the gas 18 is mixed with a powder 19 made of fine particles having a high ultrasonic reflectivity.
【００１５】そこで、内針1 を超音波診断装置による断
層画像を形成する時、流通される液体17または気体18を
カラードプラ法により可視化させることで内針1 の位置
確認を容易に行うことができる。また、流通される液体
17または気体18に金属などの超音波の反射率の高い微粒
子を混入すると、更に、鮮明な画像を得ることが可能と
なる。Therefore, when forming a tomographic image of the inner needle 1 by an ultrasonic diagnostic apparatus, the position of the inner needle 1 can be easily confirmed by visualizing the flowing liquid 17 or gas 18 by a color Doppler method. it can. In addition, the liquid
When fine particles having a high ultrasonic reflectance such as metal are mixed into the gas 17 or the gas 18, a clearer image can be obtained.
【００１６】また、このような内針1 に中空部20を形成
し、中空部20に回転または振動する可動体21を配設し、
可動体21を可視化させることでも、前述と同様に断層画
像に於ける内針1 の位置確認を容易にすることができ
る。A hollow portion 20 is formed in the inner needle 1 and a movable body 21 that rotates or vibrates is disposed in the hollow portion 20.
By visualizing the movable body 21, it is possible to easily confirm the position of the inner needle 1 in the tomographic image as described above.
【００１７】したがって、従来では断層画像に於いて内
針31および外針32が明確に可視化されないため、腫瘍35
の組織片35A の採取を確実に行うことが困難であった
が、内針1 がカラーで可視化されることになり、このよ
うな腫瘍35の組織片35A の採取を確実することができ
る。Therefore, conventionally, the inner needle 31 and the outer needle 32 are not clearly visualized in the tomographic image, so that the tumor 35
Although it is difficult to reliably collect the tissue piece 35A, the inner needle 1 is visualized in color, and the collection of such a tumor piece 35A of the tumor 35 can be ensured.
【００１８】[0018]
【実施例】以下本発明を図３, 図４および図５を参考に
詳細に説明する。図３は本発明の一実施例の説明図で、
図４は本発明の内針の説明図で、(a1)(b1)は正面図,(a
2)(b2) はA-A 断面図,(a3)(b3) はB-B 断面図, 図５は
本発明の他の実施例の内針の説明図で、(a)(b)は側面断
面図である。全図を通じて、同一符号は同一対象物を示
す。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to FIGS. 3, 4, and 5. FIG. FIG. 3 is an explanatory view of one embodiment of the present invention.
FIG. 4 is an explanatory view of the inner needle of the present invention, wherein (a1) and (b1) are front views,
2) (b2) is an AA sectional view, (a3) and (b3) are BB sectional views, FIG. 5 is an explanatory view of an inner needle of another embodiment of the present invention, and (a) and (b) are side sectional views. is there. Throughout the drawings, the same reference numerals indicate the same objects.
【００１９】図３に示すように、鋭利な針先4 とカエリ
3 とが設けられた第１の先端部5 と、第１のホルダ6 が
設けられた後端部7とを有する内針1 と、第１の先端部5
を突出させる開口部8 が設けられた第２の先端部9
と、第２のホルダ10が設けられた後端部11とを有し、筒
状に形成さた外針2 とによって形成されるようにしたも
のである。As shown in FIG. 3, the sharp needle tip 4 and the burrs
3, an inner needle 1 having a first end 5 provided with a first holder 6 and a rear end 7 provided with a first holder 6;
Second end 9 provided with an opening 8 for projecting
And a rear end portion 11 on which a second holder 10 is provided, and is formed by the outer needle 2 formed in a cylindrical shape.
【００２０】また、内針1 と外針2 とは超音波の透過率
の高い合成樹脂材によって形成し、内針1 には図４の(a
1)(a2)(a3)に示すように、供給路16A と、帰還路16B
と、供給路16A と帰還路16B とを連絡する連絡路16C と
から成る循環路16が設けられている。The inner needle 1 and the outer needle 2 are formed of a synthetic resin material having a high transmittance of ultrasonic waves.
1) As shown in (a2) and (a3), the supply path 16A and the return path 16B
And a communication path 16C for connecting the supply path 16A and the return path 16B.
【００２１】そこで、図３に示すように、第１のホルダ
6 にはタンク41に収納された液体17または気体18がポン
プ42の駆動によってチューブ40A 〜40C を介して送出さ
れるように形成することで、液体17または気体18を供給
路16A に供給し、矢印に示すように供給路16A から連絡
路16C を通して帰還路16Bに送出させ、帰還路16B から
タンク41に液体17または気体18を帰還させるように循環
させることができる。Therefore, as shown in FIG.
6, the liquid 17 or the gas 18 stored in the tank 41 is formed to be sent out through the tubes 40A to 40C by the drive of the pump 42, thereby supplying the liquid 17 or the gas 18 to the supply path 16A. As shown by the arrow, the liquid 17 or the gas 18 can be sent from the supply path 16A to the return path 16B through the communication path 16C and returned from the return path 16B to the tank 41.
【００２２】このように内針1 に液体17または気体18を
流通させるようにすると、超音波診断装置によって血流
の流れをカラーによって可視化するカラードプラの技術
にを用いることで断層画像の形成に際して、液体17また
は気体18の流通箇所をカラー像によって表示させること
ができる。When the liquid 17 or the gas 18 is made to flow through the inner needle 1 as described above, the ultrasonic diagnostic apparatus uses a color Doppler technique for visualizing the flow of a blood flow by color, thereby forming a tomographic image. The location where the liquid 17 or the gas 18 flows can be displayed by a color image.
【００２３】この場合、液体17または気体18の流速が低
いとカラーにる可視化が困難となるため、約７cm／sec
以上の流速となるように配慮する必要がある。更に、液
体17または気体18に金属材による微粒子より成る粉体19
を混入すると液体17または気体18の流通によって粉体19
が循環路16を流れることになり、粉体19によって画像の
形成がより鮮明となり、超音波診断装置によって断層画
像を形成した時、内針1 の画像を容易に確認することが
行える。In this case, if the flow rate of the liquid 17 or the gas 18 is low, it is difficult to visualize the image in a color.
Care must be taken to achieve the above flow velocity. Further, a powder 19 made of fine particles of a metal material is added to the liquid 17 or the gas 18.
Mixed with powder 17 by the flow of liquid 17 or gas 18
Flow through the circulation path 16, and the formation of the image becomes clearer by the powder 19, and when the tomographic image is formed by the ultrasonic diagnostic apparatus, the image of the inner needle 1 can be easily confirmed.
【００２４】また、このような循環路16は(b1)(b2)(b3)
に示すように、内針1 の中心部に供給路16D を、供給路
16Dの外周に帰還路16E を形成することでも、前述のよ
うな液体17または気体18の循環を行うようにでき、この
ように形成しても同等の効果を得ることができる。Such a circulation path 16 is composed of (b1) (b2) (b3)
As shown in the figure, the supply path 16D is
By forming the return path 16E on the outer periphery of 16D, the liquid 17 or the gas 18 can be circulated as described above, and the same effect can be obtained by forming in this way.
【００２５】更に、図５の(a) の場合は、内針1 の中心
部に中空部20を形成し、中空部20には矢印に示すように
回転駆動する棒状の可動体21を設けるように形成したも
のである。Further, in the case of FIG. 5 (a), a hollow portion 20 is formed in the center of the inner needle 1, and a rod-shaped movable body 21 which is driven to rotate as shown by an arrow is provided in the hollow portion 20. It is formed in.
【００２６】また、図５の(b) の場合は、中空部20に設
けられた可動体21が矢印に示すように振動によって動く
ようにしたものである。このように(a)(b)に示すいづれ
の構成しても、回転または振動の動きが前述の液体17ま
たは気体18の流速と同等であれば、十分に可動体21をカ
ラーによる可視化させることが行える。In the case of FIG. 5B, the movable body 21 provided in the hollow portion 20 is moved by vibration as shown by an arrow. In any of the configurations shown in (a) and (b), if the movement of rotation or vibration is equal to the flow velocity of the liquid 17 or the gas 18, the movable body 21 should be sufficiently visualized by the color. Can be performed.
【００２７】尚、このような可動体21を回転または振動
させることは第１のホルダ6 にモータなどの駆動機構を
設けることで容易に行うことがでいる。したがって、内
針1 に循環路16を設け、液体17または気体18を循環させ
るか、あるいは、内針1 に回転または振動する可動体21
を設けることで超音波診断装置の断層画像に於いて、内
針1 の画像をカラーによって表示させることができ、前
述の腫瘍などの組織片の採取に際して、内針1 の位置確
認を正確に行うことができる。The rotation or vibration of the movable body 21 can be easily performed by providing a drive mechanism such as a motor in the first holder 6. Therefore, a circulation path 16 is provided in the inner needle 1 to circulate the liquid 17 or the gas 18 or the movable body 21 that rotates or vibrates in the inner needle 1.
By providing an image, the image of the inner needle 1 can be displayed in color on the tomographic image of the ultrasonic diagnostic apparatus, and the position of the inner needle 1 is accurately confirmed at the time of collecting the above-mentioned piece of tissue such as a tumor. be able to.
【００２８】[0028]
【発明の効果】以上説明したように、本発明によれば、
内針に設けられた循環路に液体または気体を循環させる
か、あるいは、回転または振動する可動体を内針に設け
ることで内針1 の画像をカラーによって表示させるよう
にしたものである。As described above, according to the present invention,
A liquid or gas is circulated through a circulation path provided in the inner needle, or a rotating or vibrating movable body is provided in the inner needle so that the image of the inner needle 1 is displayed in color.
【００２９】したがって、従来のような組織片などの採
取に際して内針の位置確認が困難となることが避けら
れ、超音波診断装置の断層画像に於いて内針の画像が鮮
明に表示され、腫瘍などの組織片の採取を確実に行え、
実用的効果は大である。Therefore, it is possible to avoid the difficulty of confirming the position of the inner needle at the time of collecting a tissue piece or the like as in the related art, and to clearly display the image of the inner needle in the tomographic image of the ultrasonic diagnostic apparatus, Can reliably collect tissue pieces such as
The practical effect is great.
【図１】 本第１と第２の発明の原理説明図FIG. 1 is a diagram illustrating the principle of the first and second inventions.
【図２】 本第３の発明の原理説明図FIG. 2 is a diagram illustrating the principle of the third invention.
【図３】 本発明による一実施例の斜視図FIG. 3 is a perspective view of one embodiment according to the present invention.
【図４】 本発明の内針の説明図FIG. 4 is an explanatory view of the inner needle of the present invention.
【図５】 本発明の他の実施例の内針の説明図FIG. 5 is an explanatory view of an inner needle according to another embodiment of the present invention.
【図６】 従来の斜視図FIG. 6 is a conventional perspective view.
【図７】 従来の説明図FIG. 7 is a conventional explanatory view.
１ 内針 ２ 外針 ３ カエリ ４ 針先 ５ 第１の先端部 ６ 第１のホルダ ７ 第１の後端部 ８ 開口部 ９ 第２の先端部 10 第２のホルダ 11 第２の後端部 12 被検体 14 プローブ 15 ガイド穴 16 循環路 17 液体 18 気体 19 粉体 20 中空部 21 可動体 REFERENCE SIGNS LIST 1 inner needle 2 outer needle 3 burr 4 needle tip 5 first tip 6 first holder 7 first rear end 8 opening 9 second tip 10 second holder 11 second rear end 12 Subject 14 Probe 15 Guide hole 16 Circulation path 17 Liquid 18 Gas 19 Powder 20 Hollow 21 Moving body
フロントページの続き (56)参考文献 特開 平４−227239（ＪＰ，Ａ) 特開 平４−92647（ＪＰ，Ａ) 特開 昭63−290550（ＪＰ，Ａ) 特開 昭61−181472（ＪＰ，Ａ) 実開 昭56−113510（ＪＰ，Ｕ) 実開 昭51−116692（ＪＰ，Ｕ) Ｔ．Ｋｕｒｏｈｉｊｉ，ｅｔ ａ ｌ．：Ｍｏｔｉｏｎ Ｍａｋｉｎｇ ｉ ｎ Ｃｏｌｏｒ Ｄｏｐｐｌｅｒ Ｕｌ ｔｒａｓｕｎｄ Ｎｅｅｄｌｅ ａｎｄ Ｃａｔｈｅｔｅｒ Ｖｉｓｕａｌｉｚ ａｔｉｏｎ：Ｊｏｕｒｎａｌ ｏｆ Ｕ ｌｔｒａｓｏｕｎｄ ｉｎ Ｍｅｄｉｃ ｉｎｅ：1990年４月：第９巻：第４号： 第243−245頁 (58)調査した分野(Int.Cl.6，ＤＢ名) A61B 8/00 - 8/15 A61B 17/34 A61B 10/00 103 Continuation of front page (56) References JP-A-4-227239 (JP, A) JP-A-4-92647 (JP, A) JP-A-63-290550 (JP, A) JP-A-61-181472 (JP, A) , A) Japanese Utility Model Showa 56-113510 (JP, U) Japanese Utility Model Showa 51-11669 (JP, U) Kurohiji, et al. : Motion Making in Color Doppler Ultrasound Needle and Cathedral Visualization: Journal of Ultrasound in Medicine: April 1990: Vol. Cl. 6 , DB name) A61B 8/00-8/15 A61B 17/34 A61B 10/00 103
Claims (3)
採取するカエリ(3)を設けた第１の先端部(5) と第１の
ホルダ(6)を設けた第１の後端部(7) とを有する所定長
の内針(1) と、該内針(1) を案内するよう筒状に形成さ
れ、該第１の先端部(5) を突出させる開口部(8) を設け
た第２の先端部(9) と第２のホルダ(10)を設けた第２の
後端部(11)とを有する外針(2) とを備え、該外針(2) に
該内針(1) を装着し、超音波診断装置のプローブ(14)に
形成されたガイド穴(15)を貫通することによって該被検
体(12)に挿入させる超音波診断装置用穿刺針であって、
前記内針(1) および前記外針(2) を超音波の透過率の高
い合成樹脂材によって形成すると共に、該内針(1) には
前記第１の後端部(7) から前記第１の先端部(5) に達す
る循環路(16)を形成し、該循環路(16)に液体(17)または
気体(18)を流通させることを特徴とする超音波診断装置
用穿刺針。A first tip (5) provided with a sharp needle tip (4) and a burr (3) for collecting a tissue piece of a subject (12) and a first holder (6) are provided. A predetermined length of the inner needle (1) having a first rear end (7); and a cylindrical shape for guiding the inner needle (1), with the first front end (5) protruding. An outer needle (2) having a second front end (9) provided with an opening (8) and a second rear end (11) provided with a second holder (10); The inner needle (1) is attached to the needle (2), and is inserted into the subject (12) by penetrating a guide hole (15) formed in the probe (14) of the ultrasonic diagnostic apparatus. A puncture needle for a device,
The inner needle (1) and the outer needle (2) are formed of a synthetic resin material having a high transmittance of ultrasonic waves, and the inner needle (1) is provided from the first rear end (7) to the second needle. 1. A puncture needle for an ultrasonic diagnostic apparatus, wherein a circulating path (16) reaching the tip (5) of 1 is formed, and a liquid (17) or a gas (18) flows through the circulating path (16).
気体(18)に超音波の反射率の高い微粒子より成る粉体(1
9)を混入させ、該液体(17)または該気体(18)が前記循環
路(16)を流通することで該粉体(19)を流通させることを
特徴とする超音波診断装置用穿刺針。2. The liquid (17) or the gas (18) according to claim 1, wherein the liquid (17) or the gas (18) is a powder (1) made of fine particles having a high ultrasonic reflectivity.
9), and the liquid (17) or the gas (18) flows through the circulation path (16) to flow the powder (19). .
採取するカエリ(3)を設けた第１の先端部(5) と第１の
ホルダ(6)を設けた第１の後端部(7) とを有する所定長
の内針(1) と、該内針(1) を案内するよう筒状に形成さ
れ、該第１の先端部(5) を突出させる開口部(8) を設け
た第２の先端部(9) と第２のホルダ(10)を設けた第２の
後端部(11)とを有する外針(2) とを備え、該外針(2) に
該内針(1) を装着し、超音波診断装置のプローブ(14)に
形成されたガイド穴(15)を貫通することによって該被検
体(12)に挿入させる超音波診断装置用穿刺針であって、
前記内針(1) および前記外針(2) を超音波の透過率の高
い合成樹脂材によって形成すると共に、該内針(1) には
前記第１の後端部(7) から前記第１の先端部(5) に達す
る中空部(20)を形成し、超音波の反射率の高い材質より
成り、回転または振動される可動体(21)を該中空部(20)
に内設することを特徴とする超音波診断装置用穿刺針。3. A first tip (5) provided with a sharp needle tip (4), a burr (3) for collecting a tissue piece of a subject (12), and a first holder (6). A predetermined length of the inner needle (1) having a first rear end (7); and a cylindrical shape for guiding the inner needle (1), with the first front end (5) protruding. An outer needle (2) having a second front end (9) provided with an opening (8) and a second rear end (11) provided with a second holder (10); The inner needle (1) is attached to the needle (2), and is inserted into the subject (12) by penetrating a guide hole (15) formed in the probe (14) of the ultrasonic diagnostic apparatus. A puncture needle for a device,
The inner needle (1) and the outer needle (2) are formed of a synthetic resin material having a high transmittance of ultrasonic waves, and the inner needle (1) is provided from the first rear end (7) to the second needle. A hollow part (20) reaching the tip part (5) of one is formed of a material having a high ultrasonic reflectivity, and the movable body (21) that is rotated or vibrated is connected to the hollow part (20).
A puncture needle for an ultrasonic diagnostic apparatus, which is internally provided in a puncture needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3046258A JP2994062B2 (en) | 1991-03-12 | 1991-03-12 | Puncture needle for ultrasonic diagnostic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3046258A JP2994062B2 (en) | 1991-03-12 | 1991-03-12 | Puncture needle for ultrasonic diagnostic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04282137A JPH04282137A (en) | 1992-10-07 |
| JP2994062B2 true JP2994062B2 (en) | 1999-12-27 |
Family
ID=12742175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3046258A Expired - Fee Related JP2994062B2 (en) | 1991-03-12 | 1991-03-12 | Puncture needle for ultrasonic diagnostic equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2994062B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514215B1 (en) | 1999-10-13 | 2003-02-04 | Pentax Corporation | Endoscopic tissue collecting instrument |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5868673A (en) * | 1995-03-28 | 1999-02-09 | Sonometrics Corporation | System for carrying out surgery, biopsy and ablation of a tumor or other physical anomaly |
| WO2006015302A1 (en) * | 2004-07-29 | 2006-02-09 | X-Sten, Corp. | Spinal ligament modification devices |
| GB0722406D0 (en) * | 2007-11-15 | 2007-12-27 | Smiths Group Plc | Medico-surgical assemblies and methods |
-
1991
- 1991-03-12 JP JP3046258A patent/JP2994062B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| Ｔ．Ｋｕｒｏｈｉｊｉ，ｅｔ ａｌ．：Ｍｏｔｉｏｎ Ｍａｋｉｎｇ ｉｎ Ｃｏｌｏｒ Ｄｏｐｐｌｅｒ Ｕｌｔｒａｓｕｎｄ Ｎｅｅｄｌｅ ａｎｄ Ｃａｔｈｅｔｅｒ Ｖｉｓｕａｌｉｚａｔｉｏｎ：Ｊｏｕｒｎａｌ ｏｆ Ｕｌｔｒａｓｏｕｎｄ ｉｎ Ｍｅｄｉｃｉｎｅ：１９９０年４月：第９巻：第４号：第２４３−２４５頁 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6514215B1 (en) | 1999-10-13 | 2003-02-04 | Pentax Corporation | Endoscopic tissue collecting instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04282137A (en) | 1992-10-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69432557T2 (en) | CATHETER SYSTEM FOR IMAGE FORWARDING | |
| AU2003282607B2 (en) | Scanning probe | |
| US5865748A (en) | Guided directional coronary atherectomy distal linear encoder | |
| Fenster et al. | 3-D ultrasound imaging: A review | |
| US5131397A (en) | Imaging system for producing ultrasonic images and insonifier for such systems | |
| EP0600568B1 (en) | Catheter apparatus | |
| JP3594278B2 (en) | Intracavity ultrasonic probe device | |
| EP2298175B1 (en) | Three-dimensional probe apparatus | |
| US20070038112A1 (en) | Scanning probe with integrated electronics | |
| US6171247B1 (en) | Underfluid catheter system and method having a rotatable multiplane transducer | |
| JP2006239448A (en) | Intra-vessel probe assembly | |
| JPH0578344B2 (en) | ||
| DE3934644A1 (en) | ULTRASONIC ENDOSCOPING DEVICE | |
| JPH05228152A (en) | In-celom diagnostic device | |
| JP2994062B2 (en) | Puncture needle for ultrasonic diagnostic equipment | |
| JPH11137555A (en) | Ultrasonic diagnostic apparatus | |
| JPH0417843A (en) | Ultrasonic diagnostic apparatus | |
| JPWO2006117923A1 (en) | Ultrasound intravascular diagnosis and treatment system | |
| Scheible et al. | Diagnostic imaging in head and neck disease: current applications of ultrasound | |
| JP3077292B2 (en) | Ultrasonic probe | |
| Whitman et al. | Autonomous surgical robotics using 3-D ultrasound guidance: feasibility study | |
| JPS5922534A (en) | Ultrasonic diagnostic endoscope | |
| JP3438917B2 (en) | Endoscope | |
| JP2706104B2 (en) | Ultrasonic probe | |
| Merton | Diagnostic medical ultrasound technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19991012 |
|
| LAPS | Cancellation because of no payment of annual fees |