JP2560196Y2 - Catheter for continuous shunt internal pressure monitoring during hemodialysis - Google Patents
Catheter for continuous shunt internal pressure monitoring during hemodialysisInfo
- Publication number
- JP2560196Y2 JP2560196Y2 JP1992019651U JP1965192U JP2560196Y2 JP 2560196 Y2 JP2560196 Y2 JP 2560196Y2 JP 1992019651 U JP1992019651 U JP 1992019651U JP 1965192 U JP1965192 U JP 1965192U JP 2560196 Y2 JP2560196 Y2 JP 2560196Y2
- Authority
- JP
- Japan
- Prior art keywords
- catheter
- blood
- pressure
- change
- sensing needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
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- External Artificial Organs (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は血液透析治療と同時に血
圧管理を連続的にＳｈｕｎｔ（シャント）内圧によって
監視ができるダブルルーメンカテーテルに関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double-lumen catheter capable of continuously monitoring blood pressure management simultaneously with hemodialysis treatment by internal pressure of a Shunt (shunt).
【０００２】[0002]
【従来の技術】血圧測定は循環動態を把握するための最
も基本的な手段であることは医療行為者であれば周知の
ことである。特に患者の血圧測定を行うには聴心法を中
心に非観血的に測定し各患者の諸状態に対応している。
又血液透析療法を以って治療されている患者などにおい
ては血液回路が形成されている中で透析中では適宜時間
的な間隔をおき血圧を調べて対応処置を行っているのが
現状である。2. Description of the Related Art It is well known to medical practitioners that blood pressure measurement is the most basic means for grasping circulatory dynamics. In particular, in order to measure the blood pressure of a patient, the blood pressure is measured non-invasively, centering on the aural method, and corresponds to various conditions of each patient.
In addition, in patients treated with hemodialysis therapy, it is the current situation that blood pressure is checked at appropriate time intervals during dialysis while a blood circuit is formed, and corresponding measures are taken. .
【０００３】[0003]
【考案が解決しようとする課題】しかし前記の如く血液
透析中に血圧を測定するには測定器具を用い適宜時間的
で調べる程度であるが為、透析中患者の容態が急激に変
化を起こし血圧が低下しても患者以外には知るすべが皆
無であり極めて危険な事態が生じても医者や看護婦等に
は知ることが無い。However, as described above, the measurement of blood pressure during hemodialysis requires only a timely examination using a measuring instrument, so that the condition of the patient undergoes a sudden change during dialysis and the blood pressure is changed. There is no way for anyone other than the patient to know even if the blood pressure drops, and even if a very dangerous situation occurs, the doctor or nurse will not know.
【０００４】[0004]
【問題を解決するための手段】本考案はこの様な極めて
危険な事態が生じても早急に対応処置出来る様多ルーメ
ンカテーテルを改良し血液透析治療と同時に連続Ｓｈｕ
ｎｔ内圧の監視を行い危険が生じても早期に発見するこ
とを可能としたダブルルーメンカテーテルを提供せんと
するものである。Means for Solving the Problems The present invention has improved a multi-lumen catheter so that even in the case of such an extremely dangerous situation, prompt treatment can be taken, and a continuous Shu is provided simultaneously with the hemodialysis treatment.
It is an object of the present invention to provide a double-lumen catheter that monitors the internal pressure of nt and enables early detection even if a danger arises.
【０００５】ダブルルーメンカテーテル本体の先端部に
テトラフルオロエチレンＣ2Ｆ4の重合体（商品名テフロ
ン）製の感知針を突出させ、当該感知針によって、Ｓｈ
ｕｎｔ吻合部での動脈化静脈圧変化を感知可能とすると
共に、当該感知針の他端をカテーテルにより圧トランス
デューサーと接続し、かつ監視システム装置に接続なら
しめ血液透析中の動脈化静脈圧変化を監視すると共に枝
管の血液回路を経た血液ｖを透析装置より動脈へ返血す
ることを同時に行うことを可能としたものである。A sensing needle made of a polymer of tetrafluoroethylene C 2 F 4 (trade name: Teflon) is projected from the tip of the double lumen catheter main body, and the sensing needle is used to make the Sh.
The arterialized venous pressure change at the anastomotic part can be sensed, and the other end of the sensing needle is connected to a pressure transducer by a catheter and connected to a monitoring system device. And at the same time, the blood v passed through the blood circuit of the branch pipe is returned to the artery from the dialyzer.
【０００６】使用に当たっては血液透析患者にダブルル
ーメンカテーテル本体を上腕部６の穿孔口Ｄより動脈化
静脈に挿入固定した後、血液ポンプ１２の作動で血液ｖ
は脱血用孔４を介して流通路２Ａを経て枝管１１内を矢
印Ｘ方向の透析装置１３へと送り込まれ慮過され静脈の
穿孔口Ｄ′の矢印Ｙ方向へ循環し返血されることは従来
の血液透析療法と同様である。In use, a double-lumen catheter body is inserted and fixed into an arterialized vein from a perforation D of the upper arm 6 in a hemodialysis patient, and then the blood v
Is fed through the blood passage 4A through the blood passage 2A to the dialysis device 13 in the direction of the arrow X through the branch tube 11, and is circulated in the direction of the arrow Y at the perforation D 'of the vein to return blood. This is similar to conventional hemodialysis treatment.
【０００７】本考案は静脈と動脈が縫合されているＳｈ
ｕｎｔ吻合部Ｓにダブルルーメンカテーテル本体の流通
路内に挿入されて動脈化静脈圧変化を感知可能とした感
知針の先端を固定し、且つ感知した動脈化静脈圧変化を
カテーテルにより圧トランスデューサーと接続し、監視
システム装置で自動的にチェックすることが出来る様に
したものである。[0007] The present invention relates to a Sh in which a vein and an artery are sutured.
The distal end of a sensing needle which is inserted into the flow passage of the double-lumen catheter main body at the unt anastomosis part S and which can detect a change in arterialized venous pressure is fixed, and the sensed arterialized venous pressure change is detected by a catheter using a pressure transducer. It is connected so that it can be automatically checked by the monitoring system device.
【０００８】[0008]
【実施例】以下本考案の実施例を図面について説明す
る。１は適宜材質にて成形され略Ｙ字形状とし枝管１１
を有したダブルルーメンカテーテル本体であって、当該
ダブルルーメンカテーテル本体１に穿孔された脱血用孔
４，４……よりの血液は血液ポンプ１２及び透析装置１
３を経て静脈へ返血され、又内腔部２を形成した流通路
２Ａ内に挿通されている感知針５先端によって動脈化静
脈圧変化を感知する様にしたものである。２は当該ダブ
ルルーメンカテーテル本体１の内部に血液ｖの流通路２
Ａを有した内腔部であって、当該内腔部２と連通した流
通路２Ａの先端部３に透析時に患者の血液を脱血するた
めの脱血用孔４，４……を複数個穿孔したものである。
３は当該ダブルルーメンカテーテル本体１の先端部であ
って、当該端部３には脱血用孔４，４……が穿孔されて
いると共に端部３Ａ側の内部に感知針５が流通路２Ａと
内腔部２を介して挿通されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a branch pipe 11 which is formed of an appropriate material and has a substantially Y-shape.
, The blood from the blood removal holes 4, 4... Pierced in the double-lumen catheter body 1 is supplied to the blood pump 12 and the dialysis device 1.
The blood is returned to the vein through the passage 3, and the change in arterialized venous pressure is sensed by the tip of the sensing needle 5 inserted into the flow passage 2A in which the lumen 2 is formed. 2 is a flow passage 2 for blood v inside the double lumen catheter body 1.
A at a distal end portion 3 of a flow passage 2A communicating with the lumen portion 2 and having a plurality of blood removal holes 4, 4,... For removing blood of a patient during dialysis. Perforated.
Reference numeral 3 denotes a distal end of the double-lumen catheter main body 1. The end 3 has perforation holes 4, 4,..., And a sensing needle 5 is provided inside the end 3A on the side of the flow passage 2A. And through the lumen 2.
【０００９】５は当該先端部３の流通路２Ａ内に挿通さ
れたテトラフルオロエチレンＣ2Ｆ4の重合体（商品名テ
フロン）から成る感知針であって、当該感知針５は透析
治療時に急激な動脈化静脈圧変化を生じた際などに連続
的に感知するものであって、感知針５により感知した動
脈化静脈圧変化をカテーテル８を経て圧トランスデュー
サー９を接続し、監視システム装置１０により動脈化静
脈圧変化に対する処置を監視することを可能としたもの
である。Reference numeral 5 denotes a sensing needle made of a polymer of tetrafluoroethylene C 2 F 4 (trade name: Teflon) inserted into the flow passage 2A of the distal end portion 3; The sensor system is adapted to continuously detect a change in arterialized venous pressure, for example, when a change in arterialized venous pressure has occurred. This makes it possible to monitor a treatment for a change in arterialized venous pressure.
【００１０】７は当該ダブルルーメンカテーテル本体１
に接続金具７Ａにより固定し他方を監視システム装置に
接続せる接続金具７Ｂの間に介在させたカテーテルガー
ドであって、当該カテーテルガード７は圧測定部位を清
潔操作し自在に変更を可能とし、内部には感知針５が挿
通されている。８は当該感知針５にて感知された患者の
微妙な動脈化静脈圧変化をカテーテル８を経て圧トラン
スデューサーであって、動脈化静脈圧変化を圧トランス
デューサー９を経て監視システム装置１０で監視を可能
としたものである。１１は略Ｙ字形状を有し当該ダブル
ルーメンカテーテル本体１の枝管であって、当該枝管１
１には内腔部２が形成されており複数の脱血用孔４，４
……より血液ポンプ１２の作動にて脱血した血液ｖが流
通路２Ａを経て流通することを可能としたものである。[0010] 7 is the double lumen catheter body 1
A catheter guard interposed between connecting fittings 7B fixed to the connecting fittings 7A and connected to the monitoring system device on the other side. Has a sensing needle 5 inserted therethrough. Reference numeral 8 denotes a pressure transducer for detecting a subtle change in arterialized venous pressure of the patient detected by the sensing needle 5 via the catheter 8, and the change in the arterialized venous pressure is monitored by the monitoring system device 10 via the pressure transducer 9. Is made possible. Reference numeral 11 denotes a branch pipe of the double-lumen catheter main body 1 which has a substantially Y-shape.
1 has a lumen 2 formed therein and has a plurality of blood removal holes 4 and 4.
... This allows blood v that has been bled by the operation of the blood pump 12 to flow through the flow passage 2A.
【００１１】１２は当該枝管１１にカテーテルＣを介し
て接続された血液ポンプであって、当該血液ポンプ１２
は脱血用孔４，４……より脱血し血液ｖを透析装置１３
へ送り込み血液の慮過工程を経て再度静脈へ返血する様
にした構造のものである。Reference numeral 12 denotes a blood pump connected to the branch pipe 11 via a catheter C.
Is blood from the blood removal holes 4, 4,.
The blood is sent back to the vein after passing through the blood consideration step.
【００１２】使用に当たっては血液透析装置によって脱
血された血液は枝管よりカテーテルＣ内を矢印Ｘ方向へ
血液ポンプを経て透析装置にて慮過され、更には矢印Ｙ
方向穿孔口Ｄ′の動脈へ返血される工程の血液透析療法
は従来と同様であるが、血液透析療法施工時において、
動脈圧を同時に監視する器具として併用するものであ
る。すなわちダブルルーメンカテーテル本体１を図４に
示す如く透析患者の上腕部６の穿孔口Ｄより挿入しＳｈ
ｕｎｔ吻合部Ｓの位置で感知針５の先端を当該穿孔口Ｄ
より任意αの位置で固定したのち、血液透析治療と同時
に併用開始する。尚、同時にＳｈｕｎｔ吻合部Ｓの位置
に固定されている感知針５で動脈圧変化を感知した場合
カテーテル８を通じ圧トランスデューサーを経て監視シ
ステム装置１０にて監視を可能としたものである。In use, the blood removed by the hemodialyzer is passed through the catheter C from the branch tube in the direction of arrow X through the blood pump, and is taken into consideration by the dialyzer.
The hemodialysis treatment in the process of returning blood to the artery at the directional perforation D 'is the same as in the past, but at the time of hemodialysis treatment,
It is used together as an instrument for simultaneously monitoring arterial pressure. That is, as shown in FIG. 4, the double-lumen catheter body 1 is inserted through the perforation D of the upper arm 6 of the dialysis patient, and is inserted into the Sh.
Unt the tip of the sensing needle 5 at the position of the anastomosis S
After fixing at a position of an arbitrary α, the combined use is started simultaneously with the hemodialysis treatment. At the same time, when a change in arterial pressure is sensed by the sensing needle 5 fixed at the position of the Shunt anastomosis portion S, monitoring can be performed by the monitoring system device 10 via the catheter 8 and the pressure transducer.
【００１３】[0013]
【考案の効果】上述の如く血液透析療法の工程は従来通
りであるが、その際患者の急激な血流量の増加による動
脈圧変化をＳｈｕｎｔ吻合部Ｓの位置で、感知針５の先
端により感知し圧トランスデューサーにより、動脈化静
脈圧を監視システム装置で急激な変化があっても容易に
見分けることが可能であり、精神的に安心して透析患者
は透析治療をしながら同時に血圧を計測することが出来
る等実用的効果大なる特長を有し優れた考案である。As described above, the process of hemodialysis treatment is the same as the conventional one. At this time, a change in arterial pressure due to a sudden increase in blood flow of the patient is detected at the position of the Shunt anastomosis S by the tip of the sensing needle 5. The pressure transducer allows the arterialized venous pressure to be easily identified even if there is a sudden change in the monitoring system device. This is an excellent device that has the features of large practical effects such as the ability to perform.
【図１】本考案による透析治療工程を示す概略図であ
る。FIG. 1 is a schematic view showing a dialysis treatment process according to the present invention.
【図２】本考案の一部断面を示す正面図である。FIG. 2 is a front view showing a partial cross section of the present invention.
【図３】本考案流通路内に挿通された感知針を示す一部
断面の参考図である。FIG. 3 is a partial cross-sectional reference view showing the sensing needle inserted into the flow passage of the present invention.
【図４】本考案を血液透析患者に使用中の使用状態を示
す参考図である。FIG. 4 is a reference view showing a use state of the present invention in a hemodialysis patient.
Ｃ カテーテル Ｄ 穿孔口 Ｄ′ 穿孔口 Ｓ Ｓｈｕｎｔ吻合部 ｖ 血液 １ ダブルルーメンカテーテル ２ 内腔部 ２Ａ 流通路 ３ 先端部 ３Ａ 端部 ４ 脱血用孔 ５ 感知針 ６ 上腕部 ７ カテーテルガード ７Ａ 接続固定金具 ７Ｂ 接続固定金具 ８ カテーテル ９ 圧トランスデューサー 10 監視システム装置 11 枝管 12 血液ポンプ 13 透析装置 C catheter D perforation hole D 'perforation hole S Shunt anastomosis v blood 1 double lumen catheter 2 lumen 2A flow passage 3 tip 3A end 4 blood removal hole 5 sensing needle 6 upper arm 7 catheter guard 7A connection fixture 7B Connection fixture 8 Catheter 9 Pressure transducer 10 Monitoring system device 11 Branch pipe 12 Blood pump 13 Dialysis machine
Claims (1)
にはテトラフルオロエチレンＣ2Ｆ4の重合体（商品名テ
フロン）製の感知針を突出させ、Ｓｈｕｎｔ吻合部での
動脈化静脈圧変化を感知針にて感知可能とすると共に、
当該感知針の他端をカテーテルにより圧トランスデュー
サーと接続し増幅させ、かつ監視システム装置に接続な
らしめ血液透析中の動脈化静脈圧変化を監視することを
特徴とした血液透析時における連続シャント内圧監視用
カテーテル。1. A sensing needle made of a polymer of tetrafluoroethylene C 2 F 4 (trade name: Teflon) protrudes from the distal end of a double-lumen catheter main body to sense a change in arterialized venous pressure at the Shunt anastomosis. And at the same time,
The other end of the sensing needle is connected to a pressure transducer by a catheter to amplify, and connected to a monitoring system device to monitor a change in arterialized venous pressure during hemodialysis. Monitoring catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992019651U JP2560196Y2 (en) | 1992-03-02 | 1992-03-02 | Catheter for continuous shunt internal pressure monitoring during hemodialysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992019651U JP2560196Y2 (en) | 1992-03-02 | 1992-03-02 | Catheter for continuous shunt internal pressure monitoring during hemodialysis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0570502U JPH0570502U (en) | 1993-09-24 |
| JP2560196Y2 true JP2560196Y2 (en) | 1998-01-21 |
Family
ID=12005153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992019651U Expired - Lifetime JP2560196Y2 (en) | 1992-03-02 | 1992-03-02 | Catheter for continuous shunt internal pressure monitoring during hemodialysis |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2560196Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56163447U (en) * | 1980-05-07 | 1981-12-04 |
-
1992
- 1992-03-02 JP JP1992019651U patent/JP2560196Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0570502U (en) | 1993-09-24 |
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