JP3142990U - Access port - Google Patents

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JP3142990U
JP3142990U JP2008002588U JP2008002588U JP3142990U JP 3142990 U JP3142990 U JP 3142990U JP 2008002588 U JP2008002588 U JP 2008002588U JP 2008002588 U JP2008002588 U JP 2008002588U JP 3142990 U JP3142990 U JP 3142990U
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main body
puncture
access port
needle
blood
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武史 湯浅
雅彦 眞井
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Kawasumi Laboratories Inc
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Kawasumi Laboratories Inc
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Abstract

【課題】針を穿刺部に刺通して、ヘパリンを本体内に針から投与し、血液と置換する際に、本体内の血液は、くまなくヘパリンと置換され、本体内に滞留することがないアクセスポートを提供すること。
【解決手段】本体（２）を長さ方向に長く形成し、当該本体（２）の天面に穿刺部（４）を配置し、当該本体（２）の内部に空間（Ｓ）を形成し、当該本体（２）の長さ方向の一端部に接続部（５）を形成し、前記穿刺部（４）は、前記接続部（５）と同方向に位置する端部（Ｅ）に向けて下方向に傾斜させて配置し、当該穿刺部（４）に穿通した針の先端位置が、前記接続部（５）と遠位側に配置されるように形成したアクセスポート（１）。
【選択図】図１
When a needle is pierced through a puncture portion and heparin is administered into the main body from the needle and replaced with blood, the blood in the main body is completely replaced with heparin and does not stay in the main body. Providing a port.
A body (2) is formed to be long in the length direction, a puncture portion (4) is disposed on the top surface of the body (2), and a space (S) is formed inside the body (2). A connecting portion (5) is formed at one end in the length direction of the main body (2), and the puncture portion (4) is directed toward an end portion (E) located in the same direction as the connecting portion (5). The access port (1) is formed so that the tip position of the needle penetrating the puncture part (4) is arranged on the distal side with the connection part (5).
[Selection] Figure 1

Description

本考案は、血液透析等の体外循環による血液処理の際に使用するための、生体内に埋め込み可能であるアクセスポートに関する。   The present invention relates to an access port that can be implanted in a living body for use in blood treatment by extracorporeal circulation such as hemodialysis.

従来より、患者の血管などへのアクセスは、一時的、あるいは患者の体内に埋め込んで形成したポートにより、行なわれている。一時的なアクセス方法はニードル等を直接穿刺するものであるが、この一時的なアクセス方法では、しばしば長期間にわたって定期的に治療を行う必要のある血液透析等には適さない。
そこで、繰り返しアクセスしても比較的患者に負担が少ないように、ニードルやチューブを挿入可能なポートを体内に埋め込むという方法が提案されてきた。 Conventionally, access to a blood vessel or the like of a patient is performed by a port formed by being temporarily or implanted in the patient's body. The temporary access method is a method of directly puncturing a needle or the like, but this temporary access method is not suitable for hemodialysis or the like that often needs to be treated regularly over a long period of time.
Therefore, a method has been proposed in which a port into which a needle or tube can be inserted is embedded in the body so that the burden on the patient is relatively small even when accessed repeatedly.

従来より使用されているアクセスポート２１は、図４に例示するように、穿刺部２４は、本体２２の天面であって、接続部２５と反対方向に位置する端部Ｅ１に向けて下方向に傾斜させて配置し、穿刺部２４に穿通した針の先端位置が、接続部２５と近位側（同じ側）に配置されるように形成されている。
同アクセスポート２１では、図４のように、ヘパリン投与の時、「ヘパリン」と「血液」を置換する際に、ヘパリンにより血液が接続部２５を経て押し出されるが、穿刺位置と接続部（カテーテル）位置が近位になっているため、血液がすべて押し出されず滞留してしまう可能性があり血液凝固の問題が出てくる。
また図５［（Ａ）は平面図、（Ｂ）は（Ａ）のＣ−Ｃ´断面図］のアクセスポート３１は、図５（Ｂ）に例示するように、穿刺部３４は、本体３２の天面に配置し、接続部３５は、本体３２底部に近い側端部に配置されている。
アクセスポート３１も、図５（Ｂ）に例示するように、「ヘパリン」と「血液」を置換する際に、血液が本体３２の上部に滞留しやすく、血液凝固の問題が出てくる。 As illustrated in FIG. 4, the access port 21 that has been conventionally used is a puncture portion 24 that is a top surface of the main body 22, and is directed downward toward an end E <b> 1 positioned in the opposite direction to the connection portion 25. It is formed so that the tip position of the needle penetrating through the puncture portion 24 is disposed on the proximal side (the same side) as the connection portion 25.
In the access port 21, as shown in FIG. 4, when heparin is administered, when heparin is replaced with blood, blood is pushed out by heparin through the connecting portion 25. However, the puncture position and the connecting portion (catheter) ) Since the position is proximal, all blood may be retained without being pushed out, resulting in blood coagulation problems.
Further, the access port 31 in FIG. 5 [(A) is a plan view, (B) is a cross-sectional view taken along the line CC ′ in (A)], as illustrated in FIG. The connection portion 35 is disposed at a side end portion close to the bottom portion of the main body 32.
As illustrated in FIG. 5B, the access port 31 also has a problem of blood coagulation because blood tends to stay in the upper portion of the main body 32 when “heparin” and “blood” are replaced.

なおアクセスポート関連の特許文献として、以下のものがある。
特許文献１のアクセスポートは、接続部（出口）を本体端部でかつ本体底部より下方に傾斜させて配置し、針の穿刺部（膜）をポートの天面に配置し、膜を刺通した針の先端が、ポートの底面に配置した層（膜）で、受け止めるように形成している。
特許文献２のアクセスポートは、接続部（出口）を本体端部でかつ本体長さ方向に配置し、針の穿刺部（膜）をポートの天面に配置している。
特開２００３−１０２８３１号公報（図１、特許請求の範囲） 特表２００２−５０００７６号公報（図３、特許請求の範囲） The following patent documents are related to access ports.
In the access port of Patent Document 1, the connecting portion (exit) is disposed at the end of the main body and inclined downward from the bottom of the main body, the puncture portion (membrane) of the needle is disposed on the top surface of the port, and the membrane is pierced The tip of the needle is formed to be received by a layer (film) disposed on the bottom surface of the port.
In the access port of Patent Document 2, the connection portion (exit) is disposed at the end of the main body and in the length direction of the main body, and the puncture portion (membrane) of the needle is disposed on the top surface of the port.
JP 2003-102831 A (FIG. 1, claims) Japanese translation of PCT publication No. 2002-500076 (FIG. 3, claims)

従来より使用されているアクセスポート２１は、針の穿刺位置と接続部（カテーテル）位置が近位になっているため、ヘパリンとの置換時に、血液がすべて押し出されず滞留してしまう可能性があり血液凝固の問題が出てくる点である。
アクセスポート３１、特許文献２のアクセスポートは、血液が本体の上部に滞留しやすく、血液凝固の問題が出てくる点である。 The access port 21 that has been used conventionally has a needle puncture position and a connection portion (catheter) position that are close to each other. Therefore, when replacing with heparin, there is a possibility that all blood is not pushed out and stays. This is where blood clotting problems arise.
The access port 31 and the access port of Patent Document 2 are that blood tends to stay in the upper part of the main body, which causes a problem of blood coagulation.

［１］本考案は、本体（２）を長さ方向に長く形成し、当該本体（２）の天面に穿刺部（４）を配置し、
当該本体（２）の内部に空間（Ｓ）を形成し、当該本体（２）の長さ方向の一端部に接続部（５）を形成し、
前記穿刺部（４）は、前記接続部（５）と同方向に位置する端部（Ｅ）に向けて下方向に傾斜させて配置し、
当該穿刺部（４）に穿通した針の先端位置が、前記接続部（５）と遠位側に配置されるように形成したアクセスポート（１）を提供する。
［２］本考案は、前記穿刺部（４）は、弾性または柔軟性を有する生体適合性材料で形成した［１］に記載のアクセスポート（１）を提供する。
［３］本考案は、前記本体（２）の外面及び／又は内面の全面もしくは一部を、弾性または柔軟性を有する生体適合性材料からなる外膜（７）で被覆した［１］または［２］に記載のアクセスポート（１）を提供する。
［４］本考案は、前記本体（２）外面の全面を、弾性または柔軟性を有する生体適合性材料からなる外膜（７）で被覆し、当該外膜（７）表面に少なくとも１箇所以上の凸部（７ａ）を形成した［１］から［３］のいずれか１項に記載のアクセスポート（１）を提供する。
［５］本考案は、本体（２）の幅（Ｗ１）：１に対して、本体（２）の長さ（Ｌ１）を、３から６に形成し、
前記アクセスポート（１）全体の長さ（Ｌ１）：１に対して、前記穿刺部（４）の長さ（Ｌ２）を、少なくとも０．６０以上に形成した［１］から［４］のいずれか１項に記載のアクセスポート（１）を提供する。 [1] In the present invention, the main body (2) is formed long in the length direction, and the puncture portion (4) is disposed on the top surface of the main body (2).
A space (S) is formed inside the main body (2), a connection portion (5) is formed at one end in the length direction of the main body (2),
The puncture portion (4) is disposed so as to be inclined downward toward an end portion (E) located in the same direction as the connection portion (5),
Provided is an access port (1) formed so that the tip position of the needle that has penetrated the puncture part (4) is arranged on the distal side with respect to the connection part (5).
[2] The present invention provides the access port (1) according to [1], wherein the puncture portion (4) is formed of a biocompatible material having elasticity or flexibility.
[3] In the present invention, the outer surface and / or the entire inner surface or a part of the inner surface of the main body (2) is coated with an outer membrane (7) made of a biocompatible material having elasticity or flexibility [1] or [ 2] is provided.
[4] The present invention covers the entire outer surface of the main body (2) with an outer membrane (7) made of a biocompatible material having elasticity or flexibility, and at least one or more places on the surface of the outer membrane (7). The access port (1) according to any one of [1] to [3], in which the convex portion (7a) is formed.
[5] The present invention forms the length (L1) of the main body (2) from 3 to 6 with respect to the width (W1) of the main body (2):
The length (L2) of the puncture portion (4) is set to at least 0.60 or more with respect to the overall length (L1) of the access port (1): Any of [1] to [4] An access port (1) as described in item 1 is provided.

本考案のアクセスポート１は、穿刺部４を、接続部５と同方向に位置する端部Ｅに向けて下方向に傾斜させて配置し、穿刺部４に刺通した針の先端位置が、接続部５と遠位側に配置されるように形成しているので、針Ｎを、穿刺部４に刺通して、ヘパリンを、本体２内に針から投与し、血液と置換する際に、本体２内の血液は、くまなくヘパリンと置換され、本体２内に滞留することはない。   In the access port 1 of the present invention, the puncture portion 4 is arranged to be inclined downward toward the end portion E located in the same direction as the connection portion 5, and the tip position of the needle pierced through the puncture portion 4 is Since the needle N is pierced through the puncture portion 4 and heparin is administered from the needle into the main body 2 to replace the blood, the main body is formed. The blood in 2 is completely replaced with heparin and does not stay in the main body 2.

図１は、本考案のアクセスポート１の概略図［（Ａ）は平面図、（Ｂ）は（Ａ）のＡ−Ａ´断面図］、図２は図１のその他の実施例のアクセスポート１Ａの概略図［（Ａ）は平面図、（Ｂ）は、（Ａ）のＢ−Ｂ´断面図］、図３は図１の使用状態図である。
アクセスポート１の本体２は、体内（皮下）に埋め込むことのできるステンレス鋼、チタニウム、金、ニチノール等などの硬質材料を用いて形成されている。
なお、一端がアクセスポート１の接続部５に接続されるチューブＴは、通常、他端が生体内の上大静脈や鎖骨下静脈等の血管と接続される。 FIG. 1 is a schematic view of an access port 1 of the present invention [(A) is a plan view, (B) is a cross-sectional view taken along line AA 'in FIG. 1], and FIG. 2 is an access port of another embodiment of FIG. Schematic view of 1A [(A) is a plan view, (B) is a sectional view taken along line BB 'of (A)], and FIG.
The main body 2 of the access port 1 is formed using a hard material such as stainless steel, titanium, gold, or nitinol that can be embedded in the body (subcutaneous).
Note that the tube T whose one end is connected to the connection portion 5 of the access port 1 is usually connected to a blood vessel such as the superior vena cava or subclavian vein in the living body.

［アクセスポート１］
本考案のアクセスポート１は、図１に例示するように、本体２を長さ方向に長く形成し、本体２の天面に穿刺部４を配置している。
本体２の内部に空間Ｓを形成し、本体２の長さ方向の一端部に接続部５を形成している。
穿刺部４は、接続部５と同方向に位置する端部Ｅに向けて下方向に傾斜させて配置し、穿刺部４に穿通した針の先端位置が、接続部５と遠位側に配置されるように形成している。
「穿刺部４に穿通した針の先端位置」が、「接続部５と遠位側に配置される」とは、さらに詳述すれば、「接続部５と反対側に配置される」、「空間Ｓの広域側ＢＳに配置される」ことを意味する。 [Access port 1]
In the access port 1 of the present invention, as illustrated in FIG. 1, the main body 2 is formed long in the length direction, and the puncture portion 4 is disposed on the top surface of the main body 2.
A space S is formed inside the main body 2, and a connecting portion 5 is formed at one end in the length direction of the main body 2.
The puncture unit 4 is disposed to be inclined downward toward the end E located in the same direction as the connection unit 5, and the tip position of the needle that has penetrated the puncture unit 4 is disposed on the distal side with the connection unit 5. It is formed to be.
“The tip position of the needle that has penetrated the puncture portion 4” is “disposed on the distal side with respect to the connecting portion 5”. It is arranged in the wide area side BS of the space S ”.

［本体２］
アクセスポート１の本体２は図１から図２に例示するように、長さ方向の全長を長く形成している。具体的には、アクセスポート１本体２の幅Ｗ１を「１」とすると、例えば本体２の長さＬ１はおおむね「３から６」程度（幅Ｗ１：長さＬ１＝１：３〜６）に形成する。このように、本体２の長さを長く設計することによって、本体２の上部の表面積を広く確保できるので穿刺部４の穿刺面も広域に形成することができる。
また、本体２の一端部にはチューブＴ（カテーテル）を接続するための接続部５を形成している。
本体２の内部は、図１（Ｂ）に例示するように、空洞の空間Ｓとなっている。空間Ｓは、接続部５、チューブＴを経て、血管（図示せず）へと連通している。 [Main unit 2]
The main body 2 of the access port 1 has a long overall length in the length direction, as illustrated in FIGS. Specifically, if the width W1 of the access port 1 main body 2 is “1”, for example, the length L1 of the main body 2 is about “3 to 6” (width W1: length L1 = 1: 3 to 6). Form. Thus, by designing the length of the main body 2 to be long, a large surface area of the upper portion of the main body 2 can be secured, so that the puncture surface of the puncture portion 4 can also be formed in a wide area.
A connecting portion 5 for connecting a tube T (catheter) is formed at one end of the main body 2.
The inside of the main body 2 is a hollow space S as illustrated in FIG. The space S communicates with a blood vessel (not shown) through the connection portion 5 and the tube T.

［穿刺部４］
例えば図１（Ａ）に例示するように、穿刺部４は本体２の天面の広域に形成される。具体的には、図１のように長さ方向の本体２の全長Ｌ１を「１」とすると、穿刺部４の長さＬ２は少なくとも０．６以上に形成される。また、図２（Ａ）のように、またアクセスポート１の幅Ｗ１を「１」とすると、穿刺部４の幅Ｗ４は、少なくとも０．６以上に形成される。
このように穿刺部４の表面積を広域に形成することにより、透析治療等の際に、針を同じ場所に穿刺する頻度が減少し、穿刺部４の穿刺面の劣化を抑えることができる。穿刺部４の穿刺面が広いことで、針を穿刺するときに、より穿刺しやすくなるという利点もある。
また、繰り返し穿刺作業を行なっても液漏れなどが発生しないように、穿刺部４は、弾性または柔軟性を有する生体適合性材料（例えば、ポリウレタン、シリコーン、ｅＰＴＦＥ等）で形成される。
なお、従来から弾性を有する材料として用いられているゴムでは、使用する針によっては穿刺時にゴムの切屑等が発生するが、人工血管等に使用されるポリウレタン、シリコーン等の生体適合性材料は針による切屑が発生しない。したがって前記生体適合性材料は使用する針を選ばないので、ゴムの場合よりも使い勝手がよい。穿刺部４は繰り返しの針等の穿刺に耐えうる程度の厚さに形成される。
さらに穿刺部４は例えば図１に例示するように、接続部５と同方向に位置する端部Ｅに向けて下方向に傾斜させて配置する。
また穿刺部４の穿刺面を傾斜させて形成することで、生体の皮膚に対して斜めから穿刺できることからも、針が穿刺しやすくなる。 [Puncture part 4]
For example, as illustrated in FIG. 1A, the puncture unit 4 is formed in a wide area on the top surface of the main body 2. Specifically, as shown in FIG. 1, when the total length L1 of the main body 2 in the length direction is “1”, the length L2 of the puncture portion 4 is formed to be at least 0.6 or more. Further, as shown in FIG. 2A, and when the width W1 of the access port 1 is “1”, the width W4 of the puncture unit 4 is formed to be at least 0.6 or more.
Thus, by forming the surface area of the puncture unit 4 in a wide area, the frequency of puncturing the needle at the same place during dialysis treatment or the like is reduced, and deterioration of the puncture surface of the puncture unit 4 can be suppressed. Since the puncture surface of the puncture unit 4 is wide, there is also an advantage that it is easier to puncture when a needle is punctured.
Moreover, the puncture part 4 is formed of a biocompatible material (for example, polyurethane, silicone, ePTFE, etc.) having elasticity or flexibility so that liquid leakage does not occur even when repeated puncture operations are performed.
In the case of rubber that has been conventionally used as an elastic material, rubber chips may be generated during puncture depending on the needle used. However, biocompatible materials such as polyurethane and silicone used for artificial blood vessels are needles. No chips are generated by Therefore, since the biocompatible material does not select the needle to be used, it is more convenient than rubber. The puncture unit 4 is formed to a thickness that can withstand repeated punctures such as a needle.
Further, as illustrated in FIG. 1, for example, the puncture unit 4 is disposed so as to be inclined downward toward an end E located in the same direction as the connection unit 5.
Moreover, since the puncture surface of the puncture part 4 is formed to be inclined, the needle can be easily punctured because the puncture can be performed obliquely with respect to the skin of the living body.

［外膜７］
アクセスポート１は、例えば図２に例示するように、外面及び／又は内面の全面もしくは一部を、生体適合性向上などのために生体適合性材料で形成された外膜７で被覆しても良い。
外膜７も前記穿刺部４と同様に、弾性または柔軟性を有する生体適合性材料（例えば、ポリウレタン、シリコーン、ｅＰＴＦＥ等）で形成される。
図２のように全面を外膜７で被覆した場合、穿刺部４の位置のマーカとして、外膜７表面に少なくとも１箇所以上、好ましくは穿刺部４を囲むように複数の凸部７ａを形成するのが好ましい。アクセスポート１は皮下に埋め込まれているため、針の穿刺時に穿刺部４は見えないが、突状に形成した凸部７ａにより、針を穿刺した際に穿刺箇所のおおよその位置を確認することができる。 [Outer membrane 7]
For example, as illustrated in FIG. 2, the access port 1 may be formed by covering the entire outer surface and / or the entire inner surface or a part of the inner surface with an outer membrane 7 formed of a biocompatible material in order to improve biocompatibility. good.
The outer membrane 7 is also formed of a biocompatible material (for example, polyurethane, silicone, ePTFE, etc.) having elasticity or flexibility, like the puncture portion 4.
When the entire surface is covered with the outer membrane 7 as shown in FIG. 2, a plurality of convex portions 7 a are formed on the outer membrane 7 surface as markers for the position of the puncture portion 4, preferably surrounding the puncture portion 4. It is preferable to do this. Since the access port 1 is embedded under the skin, the puncture portion 4 cannot be seen when the needle is punctured, but the approximate position of the puncture site is confirmed when the needle is punctured by the protruding portion 7a. Can do.

［使用方法］
本考案のアクセスポート１は、穿刺部４を、接続部５と同方向に位置する端部Ｅに向けて下方向に傾斜させて配置し、穿刺部４に刺通した針の先端位置が、接続部５と遠位側に配置されるように形成しているので、針Ｎを、穿刺部４に刺通して、ヘパリンを、本体２内に針から投与し、血液と置換する時に、ヘパリンは、図３に例示するように、本体２底部から、空間Ｓの広域側ＢＳから狭域側ＮＳに上方向に迂回するように流入するので、本体２内の血液は、くまなくヘパリンと置換され、本体２内に滞留することはない。 [how to use]
In the access port 1 of the present invention, the puncture portion 4 is arranged so as to be inclined downward toward the end portion E located in the same direction as the connection portion 5, and the tip position of the needle pierced through the puncture portion 4 is Since the needle N is pierced through the puncture portion 4 and heparin is administered from the needle into the main body 2 to replace blood, the heparin is As illustrated in FIG. 3, the blood flows in the main body 2 from the bottom of the main body 2 so as to make a detour upward from the wide-area side BS of the space S to the narrow-area side NS. , It does not stay in the main body 2.

本考案のアクセスポート１の概略図［（Ａ）平面図、（Ｂ）（Ａ）のＡ−Ａ´断面図］Schematic of access port 1 of the present invention [(A) plan view, (B) (A) AA 'cross-sectional view] 本考案のその他のアクセスポート１の概略図［（Ａ）平面図、（Ｂ）（Ａ）のＢ−Ｂ´断面図］Schematics of other access port 1 of the present invention [(A) plan view, (B) (A) BB 'cross-sectional view] 図１のアクセスポート１の使用状態図Usage state diagram of access port 1 of FIG. 従来のアクセスポート２１の使用状態図（縦断面図）State of use of conventional access port 21 (vertical cross-sectional view) アクセスポート３１の概略図［（Ａ）平面図、（Ｂ）（Ａ）のＣ−Ｃ´断面図］Schematic of access port 31 [(A) plan view, (B) (C) cross-sectional view of (A)]

符号の説明Explanation of symbols

１ アクセスポート
２ 本体
４ 穿刺部
５ 接続部
６ （本体２の）底部
７ 外膜
７ａ 凸部
Ｓ 空間
ＢＳ 広域側（空間）
ＮＳ 狭域側（空間）
Ｔ チューブ
Ｌ１ （アクセスポート１の全体の）長さ
Ｌ２ （穿刺部３の）長さ
Ｗ１ （アクセスポート１の）幅
Ｗ４ （穿刺部４の）幅
Ｅ 端部 DESCRIPTION OF SYMBOLS 1 Access port 2 Main body 4 Puncture part 5 Connection part 6 Bottom part (of main body 2) Outer membrane 7a Convex part S Space BS Wide area side (space)
NS narrow area (space)
T tube L1 (total access port 1) length L2 (puncture portion 3) length W1 (access port 1) width W4 (puncture portion 4) width E end

Claims (5)

本体（２）を長さ方向に長く形成し、当該本体（２）の天面に穿刺部（４）を配置し、
当該本体（２）の内部に空間（Ｓ）を形成し、当該本体（２）の長さ方向の一端部に接続部（５）を形成し、
前記穿刺部（４）は、前記接続部（５）と同方向に位置する端部（Ｅ）に向けて下方向に傾斜させて配置し、
当該穿刺部（４）に穿通した針の先端位置が、前記接続部（５）と遠位側に配置されるように形成したことを特徴とするアクセスポート（１）。 The main body (2) is formed long in the length direction, and the puncture portion (4) is arranged on the top surface of the main body (2),
A space (S) is formed inside the main body (2), a connection portion (5) is formed at one end in the length direction of the main body (2),
The puncture portion (4) is disposed so as to be inclined downward toward an end portion (E) located in the same direction as the connection portion (5),
The access port (1) is characterized in that the tip position of the needle that has penetrated the puncture part (4) is formed so as to be arranged on the distal side with respect to the connection part (5). 前記穿刺部（４）は、弾性または柔軟性を有する生体適合性材料で形成したことを特徴とする請求項１に記載のアクセスポート（１）。   The access port (1) according to claim 1, wherein the puncture part (4) is formed of a biocompatible material having elasticity or flexibility. 前記本体（２）の外面及び／又は内面の全面もしくは一部を、弾性または柔軟性を有する生体適合性材料からなる外膜（７）で被覆したことを特徴とする請求項１または請求項２に記載のアクセスポート（１）。   The whole or part of the outer surface and / or inner surface of the main body (2) is covered with an outer membrane (7) made of a biocompatible material having elasticity or flexibility. The access port (1) described in 1. 前記本体（２）外面の全面を、弾性または柔軟性を有する生体適合性材料からなる外膜（７）で被覆し、当該外膜（７）表面に少なくとも１箇所以上の凸部（７ａ）を形成したことを特徴とする請求項１から請求項３のいずれか１の請求項に記載のアクセスポート（１）。   The entire outer surface of the main body (2) is covered with an outer membrane (7) made of a biocompatible material having elasticity or flexibility, and at least one convex portion (7a) is provided on the surface of the outer membrane (7). The access port (1) according to any one of claims 1 to 3, wherein the access port (1) is formed. 本体（２）の幅（Ｗ１）：１に対して、本体（２）の長さ（Ｌ１）を、３から６に形成し、
前記アクセスポート（１）全体の長さ（Ｌ１）：１に対して、前記穿刺部（４）の長さ（Ｌ２）を、少なくとも０．６０以上に形成したことを特徴とする請求項１から請求項４のいずれか１の請求項に記載のアクセスポート（１）。 For the width (W1) of the main body (2): 1, the length (L1) of the main body (2) is formed from 3 to 6,
The length (L2) of the puncture part (4) is at least 0.60 or more with respect to the overall length (L1) of the access port (1): 1 Access port (1) according to any one of the preceding claims.
JP2008002588U 2008-04-22 2008-04-22 Access port Expired - Lifetime JP3142990U (en)

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US9248268B2 (en) 2009-11-17 2016-02-02 C. R. Bard, Inc. Overmolded access port including anchoring and identification features
US9265912B2 (en) 2006-11-08 2016-02-23 C. R. Bard, Inc. Indicia informative of characteristics of insertable medical devices
US9421352B2 (en) 2005-04-27 2016-08-23 C. R. Bard, Inc. Infusion apparatuses and methods of use
US9474888B2 (en) 2005-03-04 2016-10-25 C. R. Bard, Inc. Implantable access port including a sandwiched radiopaque insert
US9579496B2 (en) 2007-11-07 2017-02-28 C. R. Bard, Inc. Radiopaque and septum-based indicators for a multi-lumen implantable port
US9603993B2 (en) 2005-03-04 2017-03-28 C. R. Bard, Inc. Access port identification systems and methods
US9642986B2 (en) 2006-11-08 2017-05-09 C. R. Bard, Inc. Resource information key for an insertable medical device
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