JPS63257540A - Pressure hemostatic jig - Google Patents
Pressure hemostatic jigInfo
- Publication number
- JPS63257540A JPS63257540A JP62092648A JP9264887A JPS63257540A JP S63257540 A JPS63257540 A JP S63257540A JP 62092648 A JP62092648 A JP 62092648A JP 9264887 A JP9264887 A JP 9264887A JP S63257540 A JPS63257540 A JP S63257540A
- Authority
- JP
- Japan
- Prior art keywords
- compression
- hemostatic device
- stopper
- bleeding
- compression member
- 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
- 230000002439 hemostatic effect Effects 0.000 title claims description 38
- 230000006835 compression Effects 0.000 claims description 66
- 238000007906 compression Methods 0.000 claims description 66
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 5
- 230000000740 bleeding effect Effects 0.000 description 26
- 230000036760 body temperature Effects 0.000 description 9
- 230000023597 hemostasis Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002874 hemostatic agent Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 208000031481 Pathologic Constriction Diseases 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000000013 bile duct Anatomy 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 229920000431 shape-memory polymer Polymers 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Landscapes
- Surgical Instruments (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、体内の管路内等の出血部を圧迫して止血する
圧迫止血具に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a compression hemostatic device that applies pressure to a bleeding site in a duct within the body to stop bleeding.
［従来の技術と発明が解決しようとする問題点］近年、
体腔内に細長の挿入部を挿入することにより、体腔内臓
器等を観察したり、必要に応じ処置具チャンネル内に挿
通した処置具を用いて各種治療処置のできる内視鏡が広
く用いられている。[Problems to be solved by conventional techniques and inventions] In recent years,
Endoscopes are widely used because they can be used to observe organs within a body cavity by inserting a long and thin insertion section into the body cavity, and to perform various therapeutic procedures as necessary using a treatment instrument inserted into the treatment instrument channel. There is.
前記内視鏡は、例えば、体内の管路内等に生じた出血部
を圧迫して止血するような場合にも用いられる。 ・
体内の管路内等の出血部を圧迫止血する場合、従来は、
例えば、特開昭６１−２８０８７２号公報に示されるよ
うなバルーンを出血部位に挿入して圧迫していた。The endoscope is also used, for example, to stop bleeding by applying pressure to a bleeding site that has occurred in a duct within the body.・When applying pressure to a bleeding site such as in a duct within the body, conventionally,
For example, a balloon as disclosed in Japanese Patent Application Laid-Open No. 61-280872 has been inserted into a bleeding site and compressed it.
しかしながら、前記バルーンを用いた場合は、操作が難
しく、また、圧迫中にバルーンに穴があき、圧迫止血を
行えなくなる場合があるという問題点がある。However, when the balloon is used, there are problems in that it is difficult to operate, and the balloon may become punctured during compression, making it impossible to perform compression hemostasis.
［発明の目的］
本発明は、上記事情に鑑みてなされたものであり、容易
にしかも確実に圧迫止血を行うことのできる圧迫止血具
を提供することを目的としている。[Object of the Invention] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a compression hemostatic device that can easily and reliably perform compression hemostasis.
［問題点を解決するための手段及び作用］本発明による
圧迫止血具は、外径が変化するように変形可能であって
拡径方向に付勢された圧迫部材と、この圧迫部材を小径
状態に保持するように係止する係止手段とを備える」（
に、前記係止手段の少なくとも一部を所定の温度以上で
は係止を解除するように変形する熱変形材料によって形
成したものである。[Means and effects for solving the problems] The compression hemostatic device according to the present invention includes a compression member that is deformable so as to change its outer diameter and is biased in the direction of expanding the diameter, and a compression member that is in a small diameter state. and a locking means for locking it so as to hold it in place.
Preferably, at least a portion of the locking means is formed of a thermally deformable material that deforms to release the lock at a temperature above a predetermined temperature.
本発明の圧迫止血具は、係止手段によって小径状態に保
持されて、体内の管路内等の出血部に挿入された後、加
熱されることにより、係止が解除されて拡張し出血部を
圧迫止血する。The compression hemostatic device of the present invention is held in a small diameter state by the locking means and inserted into a bleeding site such as a duct in the body, and then heated to release the lock and expand the bleeding site. Apply pressure to stop bleeding.
［実施例］ 以下、図面を参照して本発明の詳細な説明する。[Example] Hereinafter, the present invention will be described in detail with reference to the drawings.
第１図ないし第６図は本発明の一実施例に係り、第１図
は小径状態の圧迫止血具を示Ｊ斜視図、第２図は拡径状
態の圧迫止血具を示す斜視図、第３図は係止手段を示す
斜視図、第４図は圧迫止血具の使用状態を示す説明図、
第５図及び第６図は圧迫止血具の挿入手段を示す斜視図
である。1 to 6 relate to an embodiment of the present invention, in which FIG. 1 is a perspective view showing a compression hemostatic device in a small diameter state, and FIG. 2 is a perspective view showing a compression hemostatic device in an enlarged diameter state. 3 is a perspective view showing the locking means, FIG. 4 is an explanatory view showing the usage state of the compression hemostatic device,
5 and 6 are perspective views showing the insertion means of the compression hemostatic device.
第１図に示ずように、本、実施例の圧迫止血具１は、円
筒状部材の一側部を軸方向に切断した形状に形成さ゛れ
た圧迫部材２を備えている。この圧迫部材２は、弾性を
有し、軸方向の切断によって形成された対向する周方向
の端部２ａ、２ｂが車なり合うようにして、第１図に示
すような外径の小さな円筒状にでさるようになっている
と共に、外部から力を加えない状態では第２図に示すよ
うに、前記端部２ａ、２ｂが互いに離れるように拡開し
、外径が大きくなるように、付勢されている。前記圧迫
部材２には、周方向の端部の一方、例えば、他方の端部
と重なり合うときに外周側になる方の端部２ａの軸方向
略中夫に、熱変形材料としてのＴｉ−Ｊｌｉ系合金やＣ
ｕ−Ｚｎ−Ａｌ系等の形状記憶合金によって形成された
フック状の止め具３が取付けられている。また、他方の
端部２ｂ側には、第１図に示すように端部２ａ、２ｂを
重ね合せ小径状態にしたときにおいて、前記止め具３に
対応する位置に、ビン状の係止具４が取イ・１けられて
いる。そして、第３図に拡大して示すように、前記止め
具３を前記係止具４に引掛けて係合させることにより、
第１図に示すように、前記圧迫部材２が小径状態に保持
されるようになっている。As shown in FIG. 1, the compression hemostatic device 1 of this embodiment includes a compression member 2 formed in the shape of a cylindrical member with one side section cut in the axial direction. This compression member 2 has elasticity, and is formed into a cylindrical shape with a small outer diameter as shown in FIG. At the same time, when no external force is applied, the ends 2a and 2b are expanded apart from each other and the outer diameter is increased, as shown in FIG. Forced. The compression member 2 is provided with Ti-Jli as a thermally deformable material at one end in the circumferential direction, for example, at the substantially central shaft in the axial direction of the end 2a which becomes the outer circumferential side when overlapping with the other end. alloys and C
A hook-shaped stopper 3 made of a shape memory alloy such as u-Zn-Al is attached. Further, on the other end 2b side, a bottle-shaped locking tool 4 is provided at a position corresponding to the stopper 3 when the end portions 2a and 2b are overlapped to form a small diameter state as shown in FIG. is taken out. Then, as shown in an enlarged view in FIG. 3, by hooking and engaging the stopper 3 with the stopper 4,
As shown in FIG. 1, the compression member 2 is kept in a small diameter state.
尚、前記ピン状の係止具４の頭部は拡径に形成され、前
記止め具３との係合が解離するのを防止している。The head of the pin-shaped locking tool 4 is formed with an enlarged diameter to prevent the engagement with the stopper 3 from disengaging.
ところで、前記形状記憶合金は、マルテンサイト相（低
温相）がオーステナイト相（高温相）に逆変態する際に
、マルテンサイト相において変形されたものが、記憶さ
れたオーステナイト相での形状に戻るものである。本実
施例において、この形状記憶合金によって形成された前
記止め具３は、圧迫止血具１を体内に挿入づる際には、
低温相において、第１図に示づようにフック状に形成さ
れている。また、この止め具３は、高温相では、第２図
に示すように、前記係止具４との係合が解除されるよう
に伸展した形状が記憶されている。By the way, in the shape memory alloy, when the martensite phase (low temperature phase) reversely transforms into the austenite phase (high temperature phase), the deformed martensite phase returns to the memorized shape of the austenite phase. It is. In this embodiment, the stopper 3 formed of this shape memory alloy is used when inserting the compression hemostat 1 into the body.
In the low temperature phase, it is formed into a hook shape as shown in FIG. Further, in the high temperature phase, the stopper 3 is stored in an expanded shape so as to be disengaged from the stopper 4, as shown in FIG.
また、前記止め具３を形成する形状記憶合金の変態温度
、すなわち低温相から高温相に変化する温度は、例えば
体温以下の体温近傍温度に設定されている。Further, the transformation temperature of the shape memory alloy forming the stopper 3, that is, the temperature at which it changes from a low temperature phase to a high temperature phase, is set, for example, to a temperature below body temperature or in the vicinity of body temperature.
前記圧迫止血具１は、第４図に示すように、例えば、体
内の管路７内の出血部８を圧迫止血するために用いられ
る。前記圧迫止血具１は、第１図に示すように、圧迫部
材２の端部２ａ、２ｂを重ね合せ小径状態にし、低温相
においてフック状に形成された止め具３と係止具４とを
係合させることにより、この小径状態を保持して、内視
鏡等を用いて、前記管路７の出血部８に対応する位置に
導入留置される。前記止め具３は、体温によって加温さ
れ、高温相に変化して、第２図に示１ように、伸展する
。その結果、止め具３と係止具４との係合が解除され、
拡径方向に付勢された前記圧迫部材２が拡開し、第４図
に示すように、この圧迫部材２によって出血部８が圧迫
され、止血される。As shown in FIG. 4, the compression hemostatic device 1 is used, for example, to compress and stop bleeding at a bleeding site 8 in a duct 7 in the body. As shown in FIG. 1, the compression hemostatic device 1 has ends 2a and 2b of a compression member 2 overlapped to form a small diameter state, and a hook-shaped stopper 3 and a locking member 4 connected in a low-temperature phase. By engaging, the small diameter state is maintained, and the tube is introduced and placed in the duct 7 at a position corresponding to the bleeding part 8 using an endoscope or the like. The stopper 3 is heated by body temperature, changes to a high temperature phase, and expands as shown in FIG. 2. As a result, the engagement between the stopper 3 and the stopper 4 is released,
The compression member 2 urged in the direction of diameter expansion expands, and as shown in FIG. 4, the bleeding part 8 is compressed by the compression member 2 to stop the bleeding.
尚、前記圧迫止血具１の導入設置は、内視鏡の処置具チ
ャンネル内を挿通した処置具を用いて行うことができる
。The compression hemostatic tool 1 can be introduced and installed using a treatment tool inserted through a treatment tool channel of an endoscope.
例えば、第５図に示ずように、処置具としての押し棒１
１の先端部に、小径状態の圧迫止血具１を取付け、この
押し棒１１を内視ＩＪｔ１２の処置具チャンネル１３に
挿通して、この押し棒１１の先端部を前記管路７内の出
血部８°に対応する位置にに導入する。尚、図中、符号
１５は内視鏡のＩ２察窓、１６は内視鏡の照明窓である
。For example, as shown in FIG.
A compression hemostatic device 1 with a small diameter is attached to the tip of the hemostat 1, and the push rod 11 is inserted into the treatment instrument channel 13 of the endoscopic IJt 12, and the tip of the push rod 11 is inserted into the bleeding area in the conduit 7. Introduce it at a position corresponding to 8°. In the figure, numeral 15 is an I2 observation window of the endoscope, and 16 is an illumination window of the endoscope.
尚、圧迫止血具１を拡径状態に変化させる場合、体温を
利用する代りに、形状記憶合金の変態温度を体温よりも
やや高い湿度に設定して、処置具チ１！ンネル１３を通
して、温水を流すことによって、前記止め具３を加″温
しても良いし、また、前記押し俸１１の先端部に発熱体
を設け、この発熱体によって、前記止め具３を加温する
ようにしても良い。尚、前記形状記憶合金は、急激に変
態温度まで上昇させるほど、応答性が良い。In addition, when changing the compression hemostatic device 1 to the enlarged diameter state, instead of using body temperature, the transformation temperature of the shape memory alloy is set to a humidity slightly higher than body temperature, and the treatment tool 1! The stopper 3 may be heated by flowing hot water through the channel 13, or a heating element may be provided at the tip of the pusher 11, and the stopper 3 may be heated by this heating element. Note that the shape memory alloy has better responsiveness as it is raised rapidly to the transformation temperature.
また、第６図に示すように、先端にバルーン１７を有す
る処置具１８を用い、収縮した状態のバルーン１７に、
小径状態の圧迫止血具１を外嵌した後、前記バルーン１
７を膨らませて前記圧迫止血具１を保持し、この処置具
１８を内視鏡１２の処置具チ１２ンネル１３に挿通して
、この処置具１８の先端部を前記管路７内の出血部に対
応する位置に導入づ°るようにしても良い。前記圧迫止
血具１を出血部８に対応する位置に挿入した後、前記バ
ルーン１７を収縮させることにより、圧迫止血具１は解
放され、管路７内に留置される。前記押し捧１１を用い
て圧迫止血具１を保持した場合、押し棒１１を後退させ
たとき、圧迫止血具１が外れてしまう可能性があるが、
このように、バルーン１７で圧迫止血具１を保持した場
合は、圧迫止血具１の挿入時に処置具１８を前後に動か
しても圧迫止血具１が外れることがない。Further, as shown in FIG. 6, using a treatment instrument 18 having a balloon 17 at its tip, the balloon 17 is in a deflated state.
After fitting the compression hemostatic device 1 in a small diameter state, the balloon 1
7 is inflated to hold the compression hemostatic tool 1, the treatment tool 18 is inserted into the treatment tool channel 12 of the endoscope 12, and the distal end of the treatment tool 18 is inserted into the bleeding area in the duct 7. It may also be introduced at a position corresponding to the position. After the compression hemostatic device 1 is inserted into a position corresponding to the bleeding site 8, the balloon 17 is deflated, thereby releasing the compression hemostatic device 1 and leaving it in the conduit 7. When the pressure hemostatic device 1 is held using the push rod 11, there is a possibility that the pressure hemostatic device 1 will come off when the push rod 11 is retreated.
In this way, when the compression hemostatic device 1 is held by the balloon 17, the compression hemostatic device 1 will not come off even if the treatment instrument 18 is moved back and forth when the compression hemostatic device 1 is inserted.
尚、圧迫止血具１を拡径状態に変化させる場合、体温を
利用する代りに、形状記憶合金の変態温度を体温よりも
やや高い温度に設定して、前記バルーン１７内の液体を
冷水から温水に替えることによって、止め具３を加温す
るようにしても良いし、処置具チャンネル１３を通して
、温水を流すことによって、前記止め具３を加温しても
良い。In addition, when changing the pressure hemostatic device 1 to the enlarged diameter state, instead of using body temperature, the transformation temperature of the shape memory alloy is set to a temperature slightly higher than body temperature, and the liquid in the balloon 17 is changed from cold water to hot water. Alternatively, the stopper 3 may be heated by flowing warm water through the treatment instrument channel 13.
また、その他、把持鉗子を用いて、前記圧迫止血具１を
目的部位に設首するようにしても良い・尚、止血後は、
把持鉗子等を用いて、前記圧迫止血具１を小径化して回
収する。Alternatively, the compression hemostatic device 1 may be placed at the target site using grasping forceps.In addition, after stopping the bleeding,
Using grasping forceps or the like, the compression hemostat 1 is reduced in diameter and recovered.
このように、本実施例では、圧迫止血具１は、弾性部材
からなり、外径が変化覆るように変形可能であって拡径
方向に付勢された圧迫部材２と、この圧迫部材を小径状
態に保持するように係止する止め具３及び係止具４を備
える共に、前記止め具３が、所定の温度以上では前記係
止具４との係合が解除するように変形する形状記憶合金
によって形成されている。そのため、止め具３と係止倶
４とを係合させて前記圧迫部材２を小径状態に保持した
圧迫止血具１を、体内の管路７内等の出血部８に対応す
る位置に導入した後、体温等を利用して加温することに
より、前記止め具３を伸展するように変形さけて止め具
３と係止具４との係合を解除させ、拡径方向に付勢され
た圧迫部材２を拡開させ、この圧迫部材２によって出血
部８を圧迫して止血することができる。As described above, in this embodiment, the compression hemostatic device 1 is made of an elastic member, and includes a compression member 2 that is deformable so as to change its outer diameter and is biased in the direction of expanding the diameter, and a compression member 2 that is biased in the direction of expanding the diameter. A shape memory device that includes a stopper 3 and a stopper 4 that are held in the same state, and that the stopper 3 deforms so as to be released from engagement with the stopper 4 at a predetermined temperature or higher. Made of alloy. Therefore, the compression hemostatic device 1, in which the stopper 3 and the locking member 4 are engaged to hold the compression member 2 in a small diameter state, is introduced into a position corresponding to the bleeding site 8, such as in the duct 7 in the body. Thereafter, by heating using body temperature or the like, the stopper 3 is prevented from being deformed so as to extend, and the engagement between the stopper 3 and the locking member 4 is released, and the stopper 3 is urged in the direction of diameter expansion. The compression member 2 is expanded, and the bleeding part 8 can be compressed by the compression member 2 to stop the bleeding.
従って、バルーンを膨らませる等の操作が不要で、容易
にしかも確実に出血部を圧迫止血することができる。Therefore, there is no need for operations such as inflating a balloon, and bleeding can be easily and reliably compressed to stop bleeding.
また、構成が簡単で、圧迫止血具のコストが低減される
。Moreover, the configuration is simple, and the cost of the compression hemostatic device is reduced.
尚、フック状の止め具３を、他方の端部と重なり合うと
きに内周側になる方の端部２ｂに設け、他方の端ｆｆ２
・ａ側の内周面に係止具４を設けても良い。このように
すると、止め具３及び係止具４が外周側に露呈しないの
で、挿入が容易になる。In addition, a hook-shaped stopper 3 is provided on the end 2b that becomes the inner circumferential side when overlapping with the other end, and
- A locking tool 4 may be provided on the inner peripheral surface of the a side. In this way, the stopper 3 and the locking member 4 are not exposed on the outer circumferential side, making insertion easier.
また、第７図に示すように、フック状の止め具３と係合
するものとして、ビン状の係止具４の代りに、圧迫部材
２の前記止め具３に対応する位置に前記止め具３が係入
される孔２１を設けても良い。Further, as shown in FIG. 7, instead of the bottle-shaped stopper 4 that engages with the hook-like stopper 3, a stopper is placed on the compression member 2 at a position corresponding to the stopper 3. 3 may be provided.
尚、本発明は、上記実施例に限らず、例えば、熱変形材
料は、形状記憶合金に限らず、形状記憶ポリマ等であっ
ても良い。Note that the present invention is not limited to the above-mentioned embodiments. For example, the heat deformable material is not limited to a shape memory alloy, but may be a shape memory polymer or the like.
また、圧迫部材を可撓性を右する部材で形成したり、複
数に分割された部材で構成し、この圧迫部材を拡径方向
に付勢する弾性部材を、例えば前記圧迫部材内に別個に
設けても良い。In addition, the compression member may be formed of a flexible member, or may be composed of a plurality of divided members, and an elastic member that biases the compression member in the direction of radial expansion may be provided separately within the compression member, for example. It may be provided.
また、圧迫部材２の形状は、円筒形状に限らず、球状や
、回転楕円状等であっても良い。また、止血部位は、管
路内に限らず、止血する目的部位に合ばて、前記圧迫部
材の形状を変えても良い。Further, the shape of the compression member 2 is not limited to a cylindrical shape, but may be a spherical shape, a spheroidal shape, or the like. Furthermore, the shape of the compression member may be changed depending on the target site for hemostasis, rather than being limited to the inside of the duct.
また、圧迫部材２の外周面に、非粘着コーティングを施
しでも良い。Furthermore, the outer peripheral surface of the compression member 2 may be coated with a non-adhesive coating.
尚、本発明の圧迫止血具は、胆管等体内の管路の狭窄部
を拡張する狭窄拡張具としても用いることができる。す
なわち、例えば、第１図ないし第３図に示ηような圧迫
止血具を、小径状態を保持して、内視鏡等を用いて、体
内の管路の狭窄部内に挿入した後、体温等を利用して加
温して拡径状態に変化させることにより、狭窄部を拡張
することができる。また、円筒内の中空部によって、管
路が連通状態となる。The compression hemostatic device of the present invention can also be used as a stricture dilation device for dilating a constricted portion of a duct within the body, such as a bile duct. That is, for example, after inserting a pressure hemostat like the one shown in FIGS. 1 to 3 into a constricted part of a duct in the body while maintaining a small diameter state using an endoscope or the like, the body temperature, etc. The stenosis can be dilated by heating the tube and changing the diameter to an enlarged state. Further, the hollow portion within the cylinder allows the pipe line to be in a communicating state.
［発明の効果］
以上説明したように本発明によれば、小径状態を保持し
た圧迫止血具を体内の管路内等の出血部に導入した後、
加熱することにＪ、す、小径状態に保持するように係止
する係止手段の係止を解除し一〇圧迫部材を拡径させて
、出血部を圧迫することができ、容易にしかも確実に圧
迫止血を行うことができるという効果がある。[Effects of the Invention] As explained above, according to the present invention, after introducing a compression hemostatic device that maintains a small diameter state into a bleeding site such as a duct in the body,
When heated, it is possible to release the locking means that locks the locking member in a small diameter state and expand the diameter of the compression member to compress the bleeding area easily and reliably. It has the effect of being able to perform compression hemostasis.
第１図ないし第６図は本発明の一実施例に係り、第１図
は小径状態の圧迫止血具を示す斜視図、第２図は拡径状
態の圧迫止血具を示ず斜視図、第３図は係止手段を示す
斜視図、第４図は圧迫止血具の使用状態を示づ説明図、
第５図及び第６図は１［迫止血只の挿入手段を示す斜視
図、第７図は係止手段の変形例を示す断面図である。
１・・・圧迫止血具 ２・・・圧迫部材３・・・
止め具 ４・・・係止具７・・・管路
８・・・出血部第１図
第２図
第３図
第４図
第７図1 to 6 relate to one embodiment of the present invention, in which FIG. 1 is a perspective view showing a compression hemostatic device in a small diameter state, FIG. 2 is a perspective view showing the compression hemostatic device in an expanded diameter state, and FIG. 3 is a perspective view showing the locking means, FIG. 4 is an explanatory view showing the usage state of the compression hemostatic device,
5 and 6 are perspective views showing the means for inserting the hemostasis cap, and FIG. 7 is a sectional view showing a modified example of the locking means. 1... Compression hemostatic device 2... Compression member 3...
Stopper 4...Locker 7...Pipeline
8... Bleeding area Fig. 1 Fig. 2 Fig. 3 Fig. 4 Fig. 7
Claims (3)
に付勢された圧迫部材と、この圧迫部材を小径状態に保
持するように係止する係止手段とを備え、前記係止手段
の少なくとも一部が所定の温度以上では係止を解除する
ように変形する熱変形材料からなることを特徴とする圧
迫止血具。(1) A compression member that is deformable so as to change its outer diameter and is biased in the direction of expanding the diameter, and a locking means that locks the compression member so as to maintain it in a small diameter state; A compression hemostatic device characterized in that at least a portion of the locking means is made of a thermally deformable material that deforms to release the lock when the temperature exceeds a predetermined temperature.
徴とする特許請求の範囲第１項記載の圧迫止血具。(2) The compression hemostatic device according to claim 1, wherein the heat deformable material is a shape memory alloy.
ることを特徴とする特許請求の範囲第１項記載の圧迫止
血具。(3) The compression hemostatic device according to claim 1, wherein the compression member is formed of an elastic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62092648A JPS63257540A (en) | 1987-04-14 | 1987-04-14 | Pressure hemostatic jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62092648A JPS63257540A (en) | 1987-04-14 | 1987-04-14 | Pressure hemostatic jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63257540A true JPS63257540A (en) | 1988-10-25 |
Family
ID=14060275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62092648A Pending JPS63257540A (en) | 1987-04-14 | 1987-04-14 | Pressure hemostatic jig |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63257540A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53115877U (en) * | 1977-02-23 | 1978-09-14 | ||
| JPS57140871U (en) * | 1981-02-24 | 1982-09-03 | ||
| JPS61102257U (en) * | 1984-12-08 | 1986-06-30 |
-
1987
- 1987-04-14 JP JP62092648A patent/JPS63257540A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53115877U (en) * | 1977-02-23 | 1978-09-14 | ||
| JPS57140871U (en) * | 1981-02-24 | 1982-09-03 | ||
| JPS61102257U (en) * | 1984-12-08 | 1986-06-30 |
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