CN210843064U - A oxyhemoglobin saturation monitor for ECMO pipeline - Google Patents

Abstract

The utility model discloses a oxyhemoglobin saturation monitor for ECMO pipeline includes display module, casing and oxyhemoglobin saturation monitoring module from top to bottom in proper order, oxyhemoglobin saturation monitoring module is upper and lower groove structure, is provided with high accuracy photoelectric sensor in the upper groove, photodiode in the low groove, and photodiode pass through the flexible circuit in low groove and the hinge and pass the signal processing circuit in upper groove and the casing and link to each other, and the upper groove passes through the hinge with low groove one end and links to each other, and the low groove other end passes through the hinge and links to each other with the buckle, and the upper groove other end is equipped with the buckle of buckle groove and low groove and suits. The utility model discloses can even on the ECMO pipeline, need not cut open the venous line, can install oxyhemoglobin saturation monitor on sound vascular way, real-time continuous monitoring oxyhemoglobin saturation has not only reduced the time of ECMO preliminary filling and installation, has still reduced risk such as infection, thromboembolism, collapse pipe heavy bleeding, for ECMO patient treatment brings the facility, improves the success rate of ECMO treatment.

Description

A oxyhemoglobin saturation monitor for ECMO pipeline

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an oxyhemoglobin saturation monitor for ECMO pipeline.

Background

ECMO (extracorporeal Membrane oxygenation), which is a sustained in vitro life support means, completely or partially replaces the functions of the heart and the lung by extracorporeal equipment for a long time, so that the heart and the lung can fully rest, and time is provided for reversible lesion healing and function recovery of the heart and the lung. The traditional Chinese medicine composition is more and more widely applied to patients with heart and lung function failure such as fulminant myocarditis, critical acute myocardial infarction, acute respiratory failure, sudden death, pulmonary embolism, postoperative heart function failure, severe influenza and the like, is applied to the fields of heart and lung transplantation front and back assistance, in-vitro organ protection and the like, and obtains good effects.

During ECMO operation, a blood oxygen saturation monitoring probe and an oxygen saturation monitoring system are connected to the arterial pipeline and the venous pipeline to monitor the blood oxygen saturation of the arterial pipeline and the venous pipeline and used for evaluating the ECMO oxygen supply and organism oxygen consumption conditions so as to observe the change of the patient's state of illness in real time and adjust a treatment scheme in time to promote the recovery of the patient. The conventional method is to cut off the artery and vein pipelines respectively before the ECMO pipeline is prefilled, fully sterilize and connect the oxygen saturation monitoring probe. After the ECMO runs, the oxygen saturation monitoring probe is connected through a connecting line of the oxygen saturation monitoring system, and the blood oxygen saturation of the arterial and venous pipelines is monitored after correction. However, the patient needing to be installed with the ECMO is critical in illness state, the ECMO pipeline needs to be refilled quickly, the ECMO is installed as soon as possible for diversion, the cardiopulmonary function of the patient is assisted, and the venous pipeline needs to be cut off when the oxygen saturation monitoring probe is installed, so that the ECMO priming time is increased, the risks of infection, large bleeding due to collapse of the pipeline, thromboembolism and the like are increased, and the risk and difficulty of treatment of the patient are increased.

Therefore, there is an urgent need for an oximetry monitor that can be used in the ECMO line. After the ECMO is operated, a venous pipeline does not need to be cut off, an external circuit does not need to be additionally connected, and the blood oxygen saturation monitor can be connected on the arteriovenous pipeline to continuously monitor the blood oxygen saturation in real time, so that the time for pre-filling and installing the ECMO is reduced, the machine is switched as soon as possible, the risks of infection, thromboembolism, large bleeding of an collapsing tube and the like are reduced, convenience is brought to the treatment of ECMO patients, and the success rate of ECMO treatment is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that exists among the prior art, the utility model provides a oxyhemoglobin saturation monitor for ECMO pipeline to installation oxyhemoglobin saturation monitor probe need cut the venous line among the solution prior art, increases the infection, and the pipeline collapses the problem of managing the heavy bleeding, risk such as thromboembolism.

The technical scheme of the utility model is that:

the utility model provides an oxyhemoglobin saturation monitor for ECMO pipeline, includes display module, casing and oxyhemoglobin saturation monitoring module from top to bottom in proper order, oxyhemoglobin saturation monitoring module is upper and lower groove structure, is provided with high accuracy photoelectric sensor in the upper groove, is equipped with the photosensitive diode who is used for perception ruddiness and infrared light in the lower groove, and the flexible circuit in the hinge that photosensitive diode passes through the lower groove and takes flexible circuit passes the upper groove and links to each other with the signal processing circuit in the casing, and the upper groove passes through the hinge with lower groove one end and links to each other, and the lower groove other end passes through the hinge and links to each other with the buckle, and the upper groove other end is equipped with the buckle that the buckle groove suited with the lower groove, the internal diameter of upper and lower.

The display module comprises a display screen on the surface, a display circuit and an LCD display circuit, wherein the display circuit is arranged below the display screen, and the display screen comprises battery power display,% Sa/vO2 identification and specific oxygen degree reading.

The shell comprises a signal processing circuit, a microprocessor MCU, a power circuit, a power supply and a battery slot, wherein the signal processing circuit, the LCD display circuit and the power circuit are respectively connected with the microprocessor MCU.

The high-precision photoelectric sensor is a high-precision photoelectric sensor with a self-calibration function and releases red light with the wavelength of 660nm and near infrared light beams with the wavelength of 940 nm.

The power supply is a battery, and the battery slot is connected with the power circuit.

The utility model has the advantages that:

the utility model discloses can even on the ECMO pipeline, can real-time continuous monitoring oxyhemoglobin saturation. After the ECMO is operated, a venous pipeline does not need to be cut off, a blood oxygen saturation monitor can be connected to the arteriovenous pipeline, the blood oxygen saturation can be continuously monitored in real time, the time for pre-filling and installing the ECMO is shortened, the machine is switched as soon as possible, the risks of infection, thromboembolism, large bleeding of collapsing vessels and the like are reduced, convenience is brought to the treatment of ECMO patients, and the success rate of ECMO treatment is improved.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a block diagram of the circuit structure of the present invention.

FIG. 3 is a schematic view of an interface of a LCD display screen according to the present invention;

reference numerals:

1-display module, 2-shell, 3-upper groove, 4-hinge with flexible circuit, 5-lower groove, 6-photosensitive diode, 7-hinge, 8-buckle, 9-buckle groove, 10-photoelectric sensor, 11-battery slot 12-blood oxygen saturation module, 13-signal processing circuit, 14-microprocessor MCU, 15-power circuit, 16-LCD display circuit, 17-LCD display screen, 18-% Sa/vO2 mark, 19-oxygenation degree specific reading, 20-power switch key, 21-battery power display.

The specific implementation mode is as follows:

the technical solution of the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

A blood oxygen saturation monitor for an ECMO pipeline comprises a display module 1, a shell 2, an upper groove 3 and a lower groove 5. The display module 1 is internally provided with an LCD display screen 17 and an LCD display circuit 16, wherein the LCD display screen 17 comprises battery power display,% Sa/vO2 identification and specific oxygenation reading; the housing 2 includes a signal processing circuit 13, a microprocessor MCU14, a power circuit 15, a power supply, and a power socket. And a blood oxygen saturation monitoring module 12 in the upper and lower grooves. The upper groove 3 contains a high-precision photoelectric sensor 10, the lower groove 5 contains a photosensitive diode 6 for sensing red light and infrared light, and the diode 6 passes through the lower groove 5 and a flexible circuit in a hinge 4 with the flexible circuit and is connected with a signal processing circuit 12 through the upper groove 3. The internal diameter of upper and lower recess is 1cm, and the degree of depth is 0.5cm, and upper groove 3 passes through hinge 4 with 5 right sides of lower recess and links to each other, has flexible circuit in the hinge 4, and 5 left sides of lower recess pass through hinge 7 and link to each other with buckle 8, and the left buckle groove 9 of accessible upper groove 3 and buckle 8 of lower recess 5 link to each other about upper and lower recess.

The blood oxygen saturation monitoring module 12 is connected with the microprocessor MCU14 through the signal circuit, and the LCD display circuit and the power supply circuit are respectively connected with the microprocessor MCU 14. Further, the blood oxygen saturation module 12 is composed of a high-precision photosensor 10 with a self-calibration function and a photodiode 6 for sensing red light and infrared light. Further, the high-precision photoelectric sensor 10 with the self-calibration function releases red light with a wavelength of 660nm and near infrared light with a wavelength of 940 nm. Further, the power supply in the power circuit 15 is a battery, and the battery slot is connected to the power circuit.

The utility model discloses connect on the ECMO pipeline. When ECMO is prefilled, the arterial and venous pipelines do not need to be cut off to install a blood oxygen saturation probe, the pipelines only need to be connected, all luer connectors are screwed, gas in the pipelines is emptied by crystal liquid, and self-circulation can be carried out after the pipelines are prefilled completely after the gas in the pipelines is emptied completely.

When ECMO is implemented, after percutaneous puncture or incision puncture of artery (vein) of a patient is successful, a guide wire is implanted, expanders with different models are exchanged for multiple expansion, finally, an artery cannula with an inner core with a proper model is implanted along the guide wire, the guide wire and the inner core in the cannula are pulled out, a femoral artery cannula is clamped and closed by using a pipe clamp, and similarly, after the puncture of the femoral vein is successfully operated according to the mode, the vein cannula with a proper model can be implanted.

The pre-filled sterile ECMO line is sent to a sterile surgical drape, the junction between the arterial and venous lines is cut off, and the line is clamped closed with a clamp to connect the arterial and venous lines of the ECMO. And opening the pipe tongs to ensure that the ECMO pipeline is in an open state, and carrying out ECMO flow conversion without air intake. Install respectively on artery pipeline and venous line this moment the utility model discloses, will the utility model discloses on the device about the recess overlap respectively on artery pipeline and venous line, the buckle between the recess about the chucking opens switch, can real-time supervision oxyhemoglobin saturation. The ECMO pre-filling and installing time is reduced, extra wires do not need to be connected, the machine is switched as soon as possible, risks of infection, thromboembolism, large bleeding of collapse tubes and the like are reduced, convenience is brought to treatment of ECMO patients, and the success rate of ECMO treatment is improved.

The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.

Claims (5)

1. The utility model provides an oxyhemoglobin saturation monitor for ECMO pipeline, its characterized in that includes display module, casing and oxyhemoglobin saturation monitoring module from top to bottom in proper order, oxyhemoglobin saturation monitoring module is upper and lower groove structure, is provided with high accuracy photoelectric sensor in the upper groove, is equipped with the photosensitive diode who is used for perception ruddiness and infrared light in the lower groove, and the flexible circuit in the photosensitive diode passes the upper groove through the lower groove and takes the hinge of flexible circuit and passes the signal processing circuit in upper groove and the casing and link to each other, and the upper groove passes through the hinge with lower groove one end and links to each other, and the lower groove other end passes through the hinge and links to each other with the buckle, and the upper groove other end is equipped with the buckle that the buckle groove suited with the lower groove, the internal diameter.

2. The oximetry monitor for an ECMO line according to claim 1, wherein the display module includes a surface display screen, a display circuit below the display screen, and an LCD display circuit, and the display screen includes a battery power display,% Sa/vO2 indication, and specific readings of oxygenation.

3. The oximetry monitor for an ECMO line according to claim 1, wherein the housing includes a signal processing circuit, a microprocessor MCU, a power circuit, a power supply, and a battery slot, and the signal processing circuit, the LCD display circuit, and the power circuit are connected to the microprocessor MCU respectively.

4. The monitor of claim 1, wherein the high-precision photoelectric sensor is a high-precision photoelectric sensor with self-calibration function, and emits red light with a wavelength of 660nm and near infrared light with a wavelength of 940 nm.

5. The oximetry monitor for ECMO lines according to claim 3, wherein the power source is a battery and the battery socket is connected to the power circuit.

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