JP2016086935A5 - - Google Patents
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- JP2016086935A5 JP2016086935A5 JP2014222147A JP2014222147A JP2016086935A5 JP 2016086935 A5 JP2016086935 A5 JP 2016086935A5 JP 2014222147 A JP2014222147 A JP 2014222147A JP 2014222147 A JP2014222147 A JP 2014222147A JP 2016086935 A5 JP2016086935 A5 JP 2016086935A5
- Authority
- JP
- Japan
- Prior art keywords
- reservoir
- intake passage
- gas
- intake
- sensor
- 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.)
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- 239000002699 waste material Substances 0.000 claims 10
- 239000007788 liquid Substances 0.000 claims 9
- 239000012530 fluid Substances 0.000 claims 6
Claims (3)
前記廃液が貯留される貯留部と、
前記貯留部と前記患者眼との間に接続され、前記廃液が流れる廃液路と、
前記貯留部のうち、貯留された前記廃液の液面よりも上方に接続され、前記貯留部内と外部との間で気体を通過させる吸気路と、
前記吸気路に接続され、前記貯留部内から外部へ気体を吸引するための吸引力を発生させる吸気手段と、
前記吸気路のうち前記貯留部と前記吸気手段の間に設けられ、気体を通過させると共に液体を遮断する第１フィルタと、
前記吸気路のうち前記第１フィルタよりも前記吸気手段側に設けられ、前記吸気路内の気体の圧力を検出する第１センサと、
前記吸気路のうち前記第１フィルタよりも前記貯留部側に設けられ、前記吸気路内の気体の圧力を検出する第２センサと、
前記第１センサと前記第２センサの出力信号を用いて前記第１フィルタを通過する気体の流量を取得する制御部と、
を備えることを特徴とする灌流吸引装置。 A perfusion suction device for sucking waste fluid containing perfusate from a patient's eye,
A reservoir for storing the waste liquid;
A waste fluid path connected between the reservoir and the patient's eye, through which the waste fluid flows;
Among the reservoirs, an intake path that is connected above the liquid level of the stored waste liquid and allows gas to pass between the inside and outside of the reservoir,
An intake means connected to the intake passage for generating a suction force for sucking a gas from the inside of the storage portion to the outside;
A first filter that is provided between the reservoir and the intake means in the intake passage, and allows gas to pass through and shuts off the liquid;
A first sensor that is provided closer to the intake means than the first filter in the intake passage, and detects a pressure of gas in the intake passage;
A second sensor that is provided closer to the reservoir than the first filter in the intake passage, and that detects the pressure of gas in the intake passage;
A control unit for acquiring a flow rate of gas passing through the first filter using output signals of the first sensor and the second sensor;
A perfusion suction device comprising:
前記吸気路のうち前記第２センサよりも前記貯留部側、または、前記吸気路と前記貯留部との接続位置に設けられ、気体を通過させると共に液体を遮断する第２フィルタをさらに備え、
前記制御部は、
前記第１センサと前記第２センサの出力信号を用いて，前記貯留部内の気体の圧力を算出することを特徴とする灌流吸引装置。 The perfusion suction device according to claim 1,
A second filter that is provided on a side closer to the storage unit than the second sensor in the intake passage, or at a connection position between the intake passage and the storage portion, and that allows gas to pass and shuts off the liquid;
The controller is
A perfusion suction apparatus, wherein the pressure of the gas in the reservoir is calculated using output signals of the first sensor and the second sensor.
前記廃液が貯留される貯留部と、A reservoir for storing the waste liquid;
前記貯留部と前記患者眼との間に接続され、前記廃液が流れる廃液路と、A waste fluid path connected between the reservoir and the patient's eye, through which the waste fluid flows;
前記貯留部のうち、貯留された前記廃液の液面よりも上方に接続され、前記貯留部内と外部との間で気体を通過させる吸気路と、Among the reservoirs, an intake path that is connected above the liquid level of the stored waste liquid and allows gas to pass between the inside and outside of the reservoir,
前記吸気路に接続され、前記貯留部内から外部へ気体を吸引するための吸引力を発生させる吸気手段と、An intake means connected to the intake passage for generating a suction force for sucking a gas from the inside of the storage portion to the outside;
前記吸気路のうち前記貯留部と前記吸気手段の間に設けられ、前記吸気路を通過する気体の流量を減少させる流量減少部と、A flow rate reduction unit that is provided between the storage unit and the intake means in the intake path, and reduces a flow rate of gas passing through the intake path;
前記吸気路のうち前記流量減少部よりも前記貯留部側、または、前記吸気路と前記貯留部との接続位置に設けられ、気体を通過させると共に液体を遮断するフィルタと、A filter that is provided on the side of the reservoir from the flow rate reducing portion of the intake passage, or at a connection position between the intake passage and the reservoir, and that allows gas to pass and shuts off the liquid;
前記吸気路のうち前記流量減少部よりも前記吸気手段側に設けられ、前記吸気路内の気体の圧力を検出する第１センサと、A first sensor that is provided closer to the intake means than the flow rate reduction portion in the intake passage, and detects the pressure of the gas in the intake passage;
前記吸気路のうち前記流量減少部よりも前記貯留部側に設けられ、前記吸気路内の気体の圧力を検出する第２センサと、A second sensor that is provided closer to the reservoir than the flow rate reducing portion in the intake passage, and detects a pressure of gas in the intake passage;
前記第１センサと前記第２センサの出力信号を用いて，前記貯留部内の気体の圧力を算出する制御部と、A controller that calculates the pressure of the gas in the reservoir using output signals of the first sensor and the second sensor;
を備えることを特徴とする灌流吸引装置。A perfusion suction device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014222147A JP6464671B2 (en) | 2014-10-31 | 2014-10-31 | Perfusion suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014222147A JP6464671B2 (en) | 2014-10-31 | 2014-10-31 | Perfusion suction device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2016086935A JP2016086935A (en) | 2016-05-23 |
| JP2016086935A5 true JP2016086935A5 (en) | 2017-12-07 |
| JP6464671B2 JP6464671B2 (en) | 2019-02-06 |
Family
ID=56015643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014222147A Active JP6464671B2 (en) | 2014-10-31 | 2014-10-31 | Perfusion suction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6464671B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3318226B1 (en) | 2016-11-03 | 2021-01-06 | This AG | Clean venturi aspiration |
| JP7421467B2 (en) | 2020-12-10 | 2024-01-24 | 公益財団法人がん研究会 | Suction type patient fixture leak detector, detection system, and detection method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3961304B2 (en) * | 2002-01-23 | 2007-08-22 | 株式会社ニデック | Perfusion suction device |
| JP2011055920A (en) * | 2009-09-08 | 2011-03-24 | Nagoya Univ | Low-pressure retaining suction apparatus |
| CN102350012B (en) * | 2011-10-29 | 2014-05-28 | 北京梅德厚普科技有限公司 | Stock solution filtration and exhaust unit and hematoma remover based on same |
| JP2013202258A (en) * | 2012-03-29 | 2013-10-07 | Nidek Co Ltd | Ophthalmic surgery apparatus |
-
2014
- 2014-10-31 JP JP2014222147A patent/JP6464671B2/en active Active
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