JPH10201851A - Introducer - Google Patents
IntroducerInfo
- Publication number
- JPH10201851A JPH10201851A JP9025775A JP2577597A JPH10201851A JP H10201851 A JPH10201851 A JP H10201851A JP 9025775 A JP9025775 A JP 9025775A JP 2577597 A JP2577597 A JP 2577597A JP H10201851 A JPH10201851 A JP H10201851A
- Authority
- JP
- Japan
- Prior art keywords
- hub
- dilator
- sheath
- connecting member
- introducer
- 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.)
- Pending
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 230000000916 dilatatory effect Effects 0.000 abstract 2
- 229920001971 elastomer Polymers 0.000 description 7
- 239000000806 elastomer Substances 0.000 description 6
- -1 polyethylene Polymers 0.000 description 5
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 230000002439 hemostatic effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 229920000092 linear low density polyethylene Polymers 0.000 description 1
- 239000004707 linear low-density polyethylene Substances 0.000 description 1
- 229920005679 linear ultra low density polyethylene Polymers 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はシースとダイレータ
より構成されるイントロデューサーの接続構造の改良に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved connection structure for an introducer composed of a sheath and a dilator.
【０００２】[0002]
【従来技術及び発明が解決しようとする課題】シースと
ダイレータの接続は、シースハブ外周部のネジとダイレ
ータハブ内面のネジで接続したり、シースハブ外周部の
凹とダイレータハブ内面の凸を嵌合させたりして接続し
ている。しかし、上記の方法では脱着の際にネジ同士、
凹と凸が引っ掛かってシースとダイレータの脱着に手間
取ったり、接続強度が強くなりすぎたりしてシースとダ
イレータが外れにくいという問題が発生していた。2. Description of the Related Art A sheath and a dilator are connected by a screw on the outer periphery of the sheath hub and a screw on the inner surface of the dilator hub, or by fitting a recess on the outer periphery of the sheath hub and a protrusion on the inner surface of the dilator hub. Or connected. However, in the above method, the screws are attached and detached,
There have been problems in that the concave and convex are caught and it takes time to attach and detach the sheath and the dilator, and that the connection strength becomes too strong and the sheath and the dilator are hard to come off.
【０００３】[0003]
［１］本発明は後方に接続部材を形成したシースハブを
有するシースと前方に接続部材を形成したダイレータハ
ブを有するダイレータとから構成されるイントロデュー
サーにおいて、前記ダイレータハブの接続部材は縦方向
に複数の切欠溝が形成されると共に、内周面にテーパー
が形成され、前記シースハブの接続部材には、鍔部とテ
ーパーに形成された胴部からなるキャップが装着され、
前記ダイレータハブの接続部材のテーパーと前記キャッ
プの胴部のテーパーの接合によりシースとダイレータを
着脱可能に形成した、イントロデューサーを提供する。 ［２］本発明は後方に接続部材を形成したシースハブを
有するシースと前方に接続部材を形成したダイレータハ
ブを有するダイレータとから構成されるイントロデュー
サーにおいて、前記ダイレータハブの接続部材は、内周
面に溝部を形成し、前記シースハブの接続部材は、鍔部
と突部を形成した可動片とから構成され、前記溝部と前
記突部の係合によりシースハブとダイレータハブを着脱
可能に形成した、イントロデューサーを提供する。 ［３］本発明は後方に接続部材を形成したシースハブを
有するシースと前方に接続部材を形成したダイレータハ
ブを有するダイレータとから構成されるイントロデュー
サーにおいて、前記シースハブは硬質部材より構成さ
れ、前記ダイレータハブの接続部材は軟質部材より構成
され、前記ダイレータハブの接続部材は、内周面にテー
パーが形成され、前記シースハブの接続部材は、外周面
に突部を形成し、前記テーパーと前記突部の圧入密着に
よりシースとダイレータを着脱可能に形成した、イント
ロデューサーを提供する。 ［４］本発明は後方に接続部材を形成したシースハブを
有するシースと前方に接続部材を形成したダイレータハ
ブを有するダイレータとから構成されるイントロデュー
サーにおいて、前記シースハブは硬質部材より構成さ
れ、前記ダイレータハブの接続部材は軟質部材より構成
され、前記ダイレータハブの接続部材は、端部に嵌合突
起部が形成され、前記シースハブの接続部材は、端部に
嵌合溝を形成し、前記嵌合突起部と前記嵌合溝の嵌合に
よりシースとダイレータを着脱可能に形成した、イント
ロデューサーを提供する。[1] The present invention relates to an introducer comprising a sheath having a sheath hub having a connection member formed at the rear and a dilator having a dilator hub having a connection member formed at the front, wherein the dilator hub has a plurality of connection members in the longitudinal direction. A notch groove is formed, and a taper is formed on the inner peripheral surface, and a connecting member of the sheath hub is fitted with a cap including a flange portion and a body portion formed in a taper,
Provided is an introducer in which a sheath and a dilator are detachably formed by joining a taper of a connecting member of the dilator hub and a taper of a trunk portion of the cap. [2] The present invention relates to an introducer including a sheath having a sheath hub having a connection member formed at the rear and a dilator having a dilator hub having a connection member formed at the front, wherein the connection member of the dilator hub has an inner peripheral surface. The connecting member of the sheath hub is formed of a flange and a movable piece having a protrusion, and the sheath hub and the dilator hub are detachably formed by engagement of the groove and the protrusion. Provide a producer. [3] The present invention relates to an introducer comprising a sheath having a sheath hub having a connection member formed at the rear and a dilator having a dilator hub having a connection member formed at the front, wherein the sheath hub is formed of a hard member, and the dilator is provided. The connecting member of the hub is formed of a soft member, the connecting member of the dilator hub is formed with a taper on an inner peripheral surface, and the connecting member of the sheath hub forms a protrusion on an outer peripheral surface, and the taper and the protrusion are formed. The present invention provides an introducer in which a sheath and a dilator are detachably formed by press fitting. [4] The present invention relates to an introducer comprising a sheath having a sheath hub having a connection member formed at the rear and a dilator having a dilator hub having a connection member formed at the front, wherein the sheath hub is formed of a hard member, and the dilator is provided. The connecting member of the hub is formed of a soft member, the connecting member of the dilator hub has a fitting protrusion formed at an end, and the connecting member of the sheath hub forms a fitting groove at an end, and Provided is an introducer in which a sheath and a dilator are detachably formed by fitting a protrusion to the fitting groove.
【０００４】[0004]
【発明の実施の形態】図１は本発明のイントロデューサ
ー１の一実施例を示す分解斜視図で、図２は図１の一部
拡大図である。イントロデューサー１はシースハブ５を
有するシース２とダイレータハブ９を有するダイレータ
３とから構成される。シース２はハブ５の前方にカバー
４を介してチューブ６を接続し、後方に接続部材１９を
突設して、これにキャップ１２を装着している。キャッ
プ１２は鍔部１６と胴部１７より形成され、胴部１７の
外周は二段のテーパーに形成されている。胴部１７の内
側に突部１８が形成され、接続部材１９の外周に形成さ
れた溝部２０に嵌合される。胴部１７の空洞内（接続部
材１９の後端と胴部１７の底部の間）に、止血弁１３が
配置される。またハブ５の側部にはシース側管７が形成
され、これにサンプリングチューブ８が接続される。ダ
イレータ３はハブ９の前方にハブ９より大径の接続部材
１０が形成され、内側にチューブ１１が接続されてい
る。接続部材１０は縦方向に複数の切欠溝１４が形成さ
れ、内周面１５には二段のテーパーが形成されている。
胴部１７のテーパーと内周面１５のテーパーはお互いに
接合する形状に形成され、接続部材１０をハブ５に接合
する際に接続部材１０を切欠溝１４に沿って若干外側に
押し広げながら接合することができるので接合が容易で
ある。他方、接続部材１０をハブ５から取り外すときは
接続部材１０は切欠溝１４に沿って外側に拡径しやすい
ので、取り外しも容易である。本実施例ではキャップ１
２と接続部材１０は双方とも硬質部材より構成される。FIG. 1 is an exploded perspective view showing an embodiment of an introducer 1 according to the present invention, and FIG. 2 is a partially enlarged view of FIG. The introducer 1 includes a sheath 2 having a sheath hub 5 and a dilator 3 having a dilator hub 9. The sheath 2 has the tube 6 connected to the front of the hub 5 via the cover 4, the connecting member 19 protruding rearward, and the cap 12 attached thereto. The cap 12 is formed by a flange portion 16 and a body portion 17, and the outer periphery of the body portion 17 is formed into a two-stage taper. A protrusion 18 is formed inside the body 17 and is fitted into a groove 20 formed on the outer periphery of the connection member 19. The hemostatic valve 13 is arranged in the cavity of the body 17 (between the rear end of the connection member 19 and the bottom of the body 17). A sheath side tube 7 is formed on the side of the hub 5, and a sampling tube 8 is connected to the sheath side tube 7. In the dilator 3, a connection member 10 having a larger diameter than the hub 9 is formed in front of the hub 9, and a tube 11 is connected inside. The connection member 10 has a plurality of cutout grooves 14 formed in the longitudinal direction, and a two-stage taper is formed on the inner peripheral surface 15.
The taper of the body portion 17 and the taper of the inner peripheral surface 15 are formed so as to be joined to each other. When the connection member 10 is joined to the hub 5, the connection member 10 is slightly pushed outward along the cutout groove 14 and joined. Bonding is easy. On the other hand, when the connecting member 10 is detached from the hub 5, the diameter of the connecting member 10 is easily increased outward along the cutout groove 14, so that the detachment is also easy. In this embodiment, the cap 1
2 and the connecting member 10 are both formed of a hard member.
【０００５】図３はシース２とダイレータ３のその他の
接続構造の実施例を示す概略図である。シースハブ５Ａ
は後端部に、鍔部２３と突部２５を形成した可動片２４
よりなる接続部材２２を装着し、他方、接続部材１０Ａ
の内面に溝部２１を形成したものである。接続部材１０
Ａをハブ５Ａに接合する際には、接続部材１０Ａの先端
内面で突部２５は下に押し下げられ、溝部２１が突部２
５の位置まで移動してきた時に突部２５と溝部２１が係
合し接続部材１０Ａがハブ５Ａに固定される。他方接続
部材１０Ａをハブ５Ａから取り外すときは突部２５は接
続部材１０Ａの先端内面で下に押し下げられるので、接
続部材１０Ａはハブ５Ａから容易に取り外すことができ
る。本実施例ではハブ５Ａと接続部材１０Ａは双方とも
硬質部材より構成される。FIG. 3 is a schematic view showing another embodiment of the connection structure between the sheath 2 and the dilator 3. As shown in FIG. Sheath hub 5A
Is a movable piece 24 having a flange 23 and a projection 25 formed at the rear end.
The connecting member 22 made of
The groove portion 21 is formed on the inner surface of the. Connection member 10
When joining A to the hub 5A, the protrusion 25 is pushed down on the inner surface of the distal end of the connection member 10A, and the groove 21 is
When moving to the position 5, the projection 25 and the groove 21 are engaged, and the connection member 10A is fixed to the hub 5A. On the other hand, when removing the connecting member 10A from the hub 5A, the projection 25 is pushed down by the inner surface of the distal end of the connecting member 10A, so that the connecting member 10A can be easily removed from the hub 5A. In this embodiment, both the hub 5A and the connecting member 10A are made of hard members.
【０００６】さらに図４と図５は、シース２とダイレー
タ３のその他の接続構造の実施例を示す概略図で、シー
スハブ５Ｂ（５Ｃ）を硬質部材より構成し、他方の接続
部材１０Ｂ（１０Ｃ）を軟質部材より構成して、図４の
ようにハブ５Ｂの外周面に突部３０を形成し、これに接
続部材１０Ｂのテーパーを圧入することにより接続部材
１０Ｂとハブ５Ｂを接合するものである。接合に際し、
接続部材１０Ｂは軟質部材により構成されているので、
接続部材１０Ｂは外方向に変形しながら突部３０に圧入
密着されるのである程度の接合強度を保持することがで
きる。他方接続部材１０Ｂをハブ５Ｂから取り外す際に
は接続部材１０Ｂを左又は右に若干ねじりながら変形さ
せることにより突部３０への圧入密着を解除することが
できるので接続部材１０Ｂをハブ５Ｂから容易に取り外
すことができる。FIGS. 4 and 5 are schematic views showing another embodiment of the connection structure between the sheath 2 and the dilator 3. The sheath hub 5B (5C) is made of a hard member, and the other connection member 10B (10C). Is formed of a soft member, and a protrusion 30 is formed on the outer peripheral surface of the hub 5B as shown in FIG. 4, and the connection member 10B and the hub 5B are joined by press-fitting the taper of the connection member 10B into this. . When joining,
Since the connection member 10B is made of a soft member,
The connecting member 10B is pressed into the protruding portion 30 while being deformed outward, so that a certain degree of bonding strength can be maintained. On the other hand, when removing the connecting member 10B from the hub 5B, the connecting member 10B can be easily deformed while being slightly twisted to the left or right, so that press-fitting to the protrusion 30 can be released. Can be removed.
【０００７】また図５に示すように接続部材１０Ｃの端
部に嵌合突起部３６を形成し、シースハブ５Ｃの端部に
嵌合溝部３７を形成し、双方を嵌合することにより接続
部材１０Ｃとハブ５Ｃを接合することができる。接合に
際し、嵌合突起部３６を嵌合溝部３７方向へストレート
に移動させることにより容易に嵌合し、圧入密着させる
ことができるので接合が容易である。他方接続部材１０
Ｃをハブ５Ｃから取り外すときは接続部材１０Ｃをその
ままハブ５Ｃと反対方向に引くかあるいは接続部材１０
Ｃを左又は右にねじりながら若干変形させてハブ５Ｃと
反対方向に引くと容易に取り外すことができる。Further, as shown in FIG. 5, a fitting projection 36 is formed at an end of the connecting member 10C, and a fitting groove 37 is formed at an end of the sheath hub 5C. And the hub 5C. At the time of joining, the fitting projection 36 is moved straight in the direction of the fitting groove 37 so that the fitting can be easily performed, and the fitting can be easily performed by press-fitting. Other connecting member 10
To remove C from the hub 5C, the connecting member 10C is pulled in the opposite direction to the hub 5C as it is or
C can be easily removed by twisting it left or right and deforming it slightly and pulling it in the direction opposite to the hub 5C.
【０００８】本発明の前記シースハブ５（５Ａ、５Ｂ、
５Ｃ）、キャップ１２、接続部材１９、２２、ダイレー
タハブ９、接続部材１０（１０Ａ、１０Ｂ、１０Ｃ）を
構成する硬質部材と軟質部材は次の構成材料が使用され
る。硬質部材としてポリエチレン、ポリプロピレン、ポ
リスチレン、ポリカーボネート、ＡＢＳ、メタクリル樹
脂、アクリル樹脂等の熱可塑性樹脂が使用される。軟質
部材として前記硬質部材と比較して柔軟なものが使用さ
れ、例えばポリウレタン、軟質塩化ビニル、エチレン−
酢酸ビニル共重合体、エチレン−アクリル酸エチル共重
合体、アイオノマー、直鎖状低密度ポリエチレン、超低
密度ポリエチレンまたはゴム弾性を有する天然ゴム、シ
リコーンゴム、ブチルゴム、イソプレンゴム、ブタジエ
ンゴム、スチレン−ブタジエンゴム、アクリロニトリル
−ブタジエンゴム、アクリルゴム、エチレン−プロピレ
ンゴム等の合成ゴムまたはスチレン系エラストマー、塩
化ビニル系エラストマー、オレフィン系エラストマー、
ポリエステル系エラストマー、ポリアミド系エラストマ
ー、ウレタン系エラストマー等の熱可塑性エラストマー
等が使用される。前記シースハブ５Ｂ（５Ｃ）と接続部
材１０Ｂ（１０Ｃ）の硬質部材と軟質部材の組み合わせ
として、例えばポリエチレン（硬質部材）とポリウレタ
ン（軟質部材）、ポリプロピレン（硬質部材）とシリコ
ーンゴム（軟質部材）、ポリプロピレン（硬質部材）と
スチレン系エラストマー（軟質部材）等の組み合わせが
可能である。[0008] The sheath hub 5 (5A, 5B,
5C), the hard member and the soft member constituting the cap 12, the connection members 19 and 22, the dilator hub 9, and the connection member 10 (10A, 10B, and 10C) use the following constituent materials. As the hard member, a thermoplastic resin such as polyethylene, polypropylene, polystyrene, polycarbonate, ABS, methacrylic resin, and acrylic resin is used. As the soft member, a material that is more flexible than the hard member is used. For example, polyurethane, soft vinyl chloride, ethylene-
Vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ionomer, linear low-density polyethylene, ultra-low-density polyethylene or natural rubber having rubber elasticity, silicone rubber, butyl rubber, isoprene rubber, butadiene rubber, styrene-butadiene Rubber, acrylonitrile-butadiene rubber, acrylic rubber, synthetic rubber such as ethylene-propylene rubber or styrene-based elastomer, vinyl chloride-based elastomer, olefin-based elastomer,
Thermoplastic elastomers such as polyester-based elastomer, polyamide-based elastomer and urethane-based elastomer are used. As a combination of the hard member and the soft member of the sheath hub 5B (5C) and the connecting member 10B (10C), for example, polyethylene (hard member) and polyurethane (soft member), polypropylene (hard member) and silicone rubber (soft member), polypropylene A combination of (a hard member) and a styrene-based elastomer (a soft member) is possible.
【０００９】[0009]
【発明の効果】ダイレータ３の接続部材１０（１０Ａ、
１０Ｂ、１０Ｃ）をシース２のハブ５（５Ａ、５Ｂ、５
Ｃ）へ取り付けたり、取り外す際に、引っ掛かりがなく
スムーズに行うことができるのでダイレータ３とシース
２の着脱を迅速かつ円滑に行うことができる。The connection member 10 (10A, 10A,
10B, 10C) to the hub 5 (5A, 5B, 5
When attaching to or detaching from C), the dilator 3 and the sheath 2 can be quickly and smoothly attached and detached because they can be smoothly carried out without being caught.
【図１】本発明のイントロデューサーの分解斜視図FIG. 1 is an exploded perspective view of an introducer of the present invention.
【図２】図１の一部拡大図FIG. 2 is a partially enlarged view of FIG. 1;
【図３】図２のその他の実施例を示す概略図FIG. 3 is a schematic view showing another embodiment of FIG. 2;
【図４】図２のその他の実施例を示す概略図FIG. 4 is a schematic view showing another embodiment of FIG. 2;
【図５】図２のその他の実施例を示す概略図FIG. 5 is a schematic view showing another embodiment of FIG. 2;
１ イントロデューサー ２ シース ３ ダイレータ ４ （シース）カバー ５、５Ａ、５Ｂ、５Ｃ （シース）ハブ ６ （シース）チューブ ７ （シース）側管 ８ サンプリングチューブ ９ （ダイレータ）ハブ １０、１０Ａ、１０Ｂ、１０Ｃ （ダイレータ）接続部
材 １１ （ダイレータ）チューブ １２ （シース）キャップ １３ 止血弁 １４ 切欠溝 １５ 内周面 １６ 鍔部 １７ 胴部 １８ 突部 １９ 接続部材 ２０ 溝部 ２１ 溝部 ２２ 接続部材 ２３ 鍔部 ２４ 可動片 ２５ 突部 ３０ 突部 ３６ 嵌合突起部 ３７ 嵌合溝部Reference Signs List 1 introducer 2 sheath 3 dilator 4 (sheath) cover 5, 5A, 5B, 5C (sheath) hub 6 (sheath) tube 7 (sheath) side tube 8 sampling tube 9 (dilator) hub 10, 10A, 10B, 10C ( Dilator) connection member 11 (dilator) tube 12 (sheath) cap 13 hemostatic valve 14 notch groove 15 inner peripheral surface 16 flange portion 17 body portion 18 protrusion 19 connection member 20 groove portion 21 groove portion 22 connection member 23 flange portion 24 movable piece 25 Projection 30 Projection 36 Fitting projection 37 Fitting groove
Claims (4)
有するシースと前方に接続部材を形成したダイレータハ
ブを有するダイレータとから構成されるイントロデュー
サーにおいて、 前記ダイレータハブの接続部材は縦方向に複数の切欠溝
が形成されると共に、内周面にテーパーが形成され、 前記シースハブの接続部材には、鍔部とテーパーに形成
された胴部からなるキャップが装着され、 前記ダイレータハブの接続部材のテーパーと前記キャッ
プの胴部のテーパーの接合によりシースとダイレータを
着脱可能に形成した、 ことを特徴とするイントロデューサー。1. An introducer comprising a sheath having a sheath hub having a connection member formed on the rear side and a dilator having a dilator hub having a connection member formed on the front side, wherein the connection member of the dilator hub is provided with a plurality of connection members in a longitudinal direction. A notch groove is formed, and a taper is formed on an inner peripheral surface. A cap consisting of a flange and a tapered body is attached to the connecting member of the sheath hub, and the connecting member of the dilator hub is tapered. An introducer, wherein a sheath and a dilator are detachably formed by joining a taper of a body portion of the cap to the body.
有するシースと前方に接続部材を形成したダイレータハ
ブを有するダイレータとから構成されるイントロデュー
サーにおいて、 前記ダイレータハブの接続部材は、内周面に溝部を形成
し、 前記シースハブの接続部材は、鍔部と突部を形成した可
動片とから構成され、 前記溝部と前記突部の係合によりシースハブとダイレー
タハブを着脱可能に形成した、 ことを特徴とするイントロデューサー。2. An introducer comprising a sheath having a sheath hub having a connecting member formed at the rear and a dilator having a dilator hub having a connecting member formed at the front, wherein the connecting member of the dilator hub has an inner peripheral surface. Forming a groove, the connecting member of the sheath hub is composed of a flange and a movable piece having a protrusion, and the sheath hub and the dilator hub are detachably formed by engagement of the groove and the protrusion. Introducer to feature.
有するシースと前方に接続部材を形成したダイレータハ
ブを有するダイレータとから構成されるイントロデュー
サーにおいて、 前記シースハブは硬質部材より構成され、 前記ダイレータハブの接続部材は軟質部材より構成さ
れ、 前記ダイレータハブの接続部材は、内周面にテーパーが
形成され、 前記シースハブの接続部材は、外周面に突部を形成し、 前記テーパーと前記突部の圧入密着によりシースとダイ
レータを着脱可能に形成した、 ことを特徴とするイントロデューサー。3. An introducer comprising a sheath having a sheath hub having a connection member formed on the rear side and a dilator having a dilator hub having a connection member formed on the front side, wherein the sheath hub is formed of a hard member, and the dilator hub is formed. The connecting member of the dilator hub is formed of a soft member, the connecting member of the dilator hub is formed with a taper on the inner peripheral surface, the connecting member of the sheath hub forms a protrusion on the outer peripheral surface, and the taper and the protrusion are formed. An introducer, characterized in that the sheath and the dilator are detachably formed by press fitting.
有するシースと前方に接続部材を形成したダイレータハ
ブを有するダイレータとから構成されるイントロデュー
サーにおいて、 前記シースハブは硬質部材より構成され、 前記ダイレータハブの接続部材は軟質部材より構成さ
れ、 前記ダイレータハブの接続部材は、端部に嵌合突起部が
形成され、 前記シースハブの接続部材は、端部に嵌合溝を形成し、 前記嵌合突起部と前記嵌合溝の嵌合によりシースとダイ
レータを着脱可能に形成した、 ことを特徴とするイントロデューサー。4. An introducer comprising a sheath having a sheath hub having a connection member formed at the rear and a dilator having a dilator hub having a connection member formed at the front, wherein the sheath hub is formed of a hard member, The connecting member of the dilator hub is formed of a soft member, the connecting member of the dilator hub is formed with a fitting protrusion at the end, the connecting member of the sheath hub forms a fitting groove at the end, and the fitting protrusion is formed. An introducer, wherein a sheath and a dilator are formed so as to be detachable by fitting a portion and the fitting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9025775A JPH10201851A (en) | 1997-01-24 | 1997-01-24 | Introducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9025775A JPH10201851A (en) | 1997-01-24 | 1997-01-24 | Introducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10201851A true JPH10201851A (en) | 1998-08-04 |
Family
ID=12175233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9025775A Pending JPH10201851A (en) | 1997-01-24 | 1997-01-24 | Introducer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10201851A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002253680A (en) * | 2001-02-28 | 2002-09-10 | Kawasumi Lab Inc | Catheter introducer |
| JP2015039599A (en) * | 2013-08-23 | 2015-03-02 | 住友ベークライト株式会社 | Sheath and sheath dilator |
| JP2015039603A (en) * | 2013-08-23 | 2015-03-02 | 住友ベークライト株式会社 | Sheath and sheath dilator |
| CN105392433A (en) * | 2013-08-05 | 2016-03-09 | 库克医学技术有限责任公司 | Medical devices having a releasable tubular member and methods of using the same |
| JP2017518103A (en) * | 2014-05-28 | 2017-07-06 | クック・メディカル・テクノロジーズ・リミテッド・ライアビリティ・カンパニーＣｏｏｋ Ｍｅｄｉｃａｌ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｌｌｃ | Medical device having a releasable member |
-
1997
- 1997-01-24 JP JP9025775A patent/JPH10201851A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002253680A (en) * | 2001-02-28 | 2002-09-10 | Kawasumi Lab Inc | Catheter introducer |
| CN105392433A (en) * | 2013-08-05 | 2016-03-09 | 库克医学技术有限责任公司 | Medical devices having a releasable tubular member and methods of using the same |
| JP2016529979A (en) * | 2013-08-05 | 2016-09-29 | クック・メディカル・テクノロジーズ・リミテッド・ライアビリティ・カンパニーＣｏｏｋ Ｍｅｄｉｃａｌ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｌｌｃ | Medical device having releasable tubular member and method of using the same |
| US10166017B2 (en) | 2013-08-05 | 2019-01-01 | Cook Medical Technologies Llc | Medical devices having a releasable tubular member and methods of using the same |
| JP2015039599A (en) * | 2013-08-23 | 2015-03-02 | 住友ベークライト株式会社 | Sheath and sheath dilator |
| JP2015039603A (en) * | 2013-08-23 | 2015-03-02 | 住友ベークライト株式会社 | Sheath and sheath dilator |
| JP2017518103A (en) * | 2014-05-28 | 2017-07-06 | クック・メディカル・テクノロジーズ・リミテッド・ライアビリティ・カンパニーＣｏｏｋ Ｍｅｄｉｃａｌ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｌｌｃ | Medical device having a releasable member |
| US10898224B2 (en) | 2014-05-28 | 2021-01-26 | Cook Medical Technologies Llc | Medical devices having a releasable member and methods of using the same |
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