Medical apparatus and instruments, with the exception of apparatus and instruments in the dental or orthodontic field, namely, blood filters, blood transfusion apparatus, capillary tubes for blood; medical apparatus for blood recovery, filtration and treatment during surgical procedures; blood autotransfusion apparatus; blood filtration and treatment apparatus for autotransfusion; measuring apparatus for medical diagnostic use, namely, blood pressure measuring apparatus, pulse measuring devices, devices for measuring blood sugar.
2.
Device For Determining The Level Of Haemoglobin Or Haematocrit Of A Circulating Liquid
A device for determining the level of haematocrit and/or the level of haemoglobin of a liquid circulating in the tubular portion includes two emitter-receiver assemblies, each emitter-receiver assembly including a light source and a light sensor intended to be arranged on either side of the tubular portion at a region of circulation of the liquid for a transmission measurement; the light source of each of the two emitter-receiver assemblies being configured to emit light beams at an emission wavelength chosen to correspond with an isobestic point of haemoglobin; each emitter-receiver assembly further comprising including a system for collimating the light beam emitted from the corresponding light source towards the corresponding light sensor.
The invention relates to a device and method for determining the haematocrit and/or haemoglobin level of a liquid flowing in a tubular portion (2), the method comprising:—emitting light beams in the direction of the tubular portion (2) with at least two light sources (11; 21), each of the two light sources (11; 21) being configured to emit light beams at an emission wavelength chosen to correspond to an isobestic point of the haemoglobin;—receiving light signals transmitted through the tubular portion (2) with at least two light sensors (12; 22), each light sensor (12; 22) being associated with one of the two light sources (11; 21);—calculating the haematocrit or haemoglobin level in the liquid by processing the light signals received by the light sensors (12; 22); characterised in that the emission power of at least one of the light sources (11; 21) is modified while the haematocrit and/or the haemoglobin level is determined according to the haematocrit and/or respectively the haemoglobin level calculated for the liquid.
F16K 7/06 - Diaphragm cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage with tubular diaphragm constrictable by external radial force by means of a screw-spindle, cam, or other mechanical means
5.
System and method for treating haemorrhagic fluid for autotransfusion
a preliminary step of measuring the haematocrit level of the haemorrhagic fluid; and a dilution step consisting in adding to the volume of haemorrhagic fluid to be treated a determined volume of dilution fluid, the determined volume of dilution fluid being calculated as a function of the measured haematocrit level of the haemorrhagic fluid and the target haematocrit level.
The invention relates to a device and method for determining the haematocrit and/or haemoglobin level of a liquid flowing in a tubular portion (2), the method comprising: - emitting light beams in the direction of the tubular portion (2) with at least two light sources (11; 21), each of the two light sources (11; 21) being configured to emit light beams at an emission wavelength chosen to correspond to an isobestic point of the haemoglobin; - receiving light signals transmitted through the tubular portion (2) with at least two light sensors (12; 22), each light sensor (12; 22) being associated with one of the two light sources (11; 21); - calculating the haematocrit or haemoglobin level in the liquid by processing the light signals received by the light sensors (12; 22); characterised in that the emission power of at least one of the light sources (11; 21) is modified while the haematocrit and/or the haemoglobin level is determined according to the haematocrit and/or respectively the haemoglobin level calculated for the liquid.
G01N 33/49 - Physical analysis of biological material of liquid biological material blood
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
A61M 1/36 - Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation
7.
DEVICE FOR DETERMINING THE LEVEL OF HAEMOGLOBIN OR HAEMATOCRIT OF A CIRCULATING LIQUID
The invention relates to a device for determining the level of haematocrit and/or the level of haemoglobin of a liquid circulating in the tubular portion (2), comprising two emitter-receiver assemblies (10; 20), each emitter-receiver assembly (10; 20) comprising a light source (11; 21) and a light sensor (12; 22) intended to be arranged on either side of the tubular portion (2) at a region of circulation of the liquid for a transmission measurement; the light source (11; 21) of each of the two emitter-receiver assemblies (10; 20) being configured to emit light beams at an emission wavelength chosen to correspond with an isobestic point of haemoglobin; each emitter-receiver assembly (10; 20) further comprising a system (13; 23) for collimating the light beam emitted from the corresponding light source (11; 21) towards the corresponding light sensor (12; 22).
A61B 5/153 - Devices for taking samples of blood specially adapted for taking samples of venous or arterial blood, e.g. by syringes
G01N 21/85 - Investigating moving fluids or granular solids
G01N 21/25 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
G01N 33/49 - Physical analysis of biological material of liquid biological material blood
G01N 21/3577 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
G01N 21/359 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
G01N 21/31 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
8.
VALVE FOR REGULATING A LIQUID CIRCULATING IN A FLEXIBLE TUBE
The invention relates to an automatic valve for regulating a flow rate of liquid intended to circulate in a flexible tube, comprising: - a cam system (23) mounted in a movable manner on a base so as to rotate about an axis of rotation, - a supporting piece (24) that is mounted so as to move in translation on the base, is arranged so as to be moved in translation as a result of a rotary movement of the cam system (23), and comprises a compression portion (240), - an abutment piece (25) that is positioned facing the compression portion (240) and forms, with the supporting piece (24), a receiving space intended to receive a flexible tube (3), the movement of the supporting piece (24) in translation moving the compression portion (240) in the direction of translation, in order to modify a dimension of the receiving space, - a magnet and a magnetic sensor that detects the magnetic field generated by the magnet.
The invention relates to an automatic valve for regulating a flow rate of liquid intended to circulate in a flexible tube, comprising: - a cam system (23) mounted in a movable manner on a base so as to rotate about an axis of rotation, - a supporting piece (24) that is mounted so as to move in translation on the base, is arranged so as to be moved in translation as a result of a rotary movement of the cam system (23), and comprises a compression portion (240), - an abutment piece (25) that is positioned facing the compression portion (240) and forms, with the supporting piece (24), a receiving space intended to receive a flexible tube (3), the movement of the supporting piece (24) in translation moving the compression portion (240) in the direction of translation, in order to modify a dimension of the receiving space, - a magnet and a magnetic sensor that detects the magnetic field generated by the magnet.
b) of the discharge chamber (112) of the filtration device (110), so as to be able to control the pressure of cleaning fluid in the discharge chamber (112).
b) of the discharge chamber (112) of the filtration device (110), so as to be able to control the pressure of cleaning fluid in the discharge chamber (112).
42 - Scientific, technological and industrial services, research and design
Goods & Services
Medical apparatus and instruments; medical apparatus for
blood recovery, filtration and treatment during surgical
procedures; blood autotransfusion apparatus; blood
filtration and treatment apparatus for autotransfusion;
measuring apparatus for medical diagnostic use. Scientific and industrial analysis and research services;
scientific and industrial analysis and research for medical
purposes; scientific and industrial analysis and research
in the field of autotransfusion; research and development
of new products in the field of fluid filtration and
treatment; research and development of new products in the
field of blood filtration and treatment; design and
development of medical apparatus for blood recovery,
filtration and treatment; design and development of fluid
filtration apparatus.
Medical apparatus and instruments, with the exception of
apparatus and instruments in the dental or orthodontic
field; medical apparatus for blood recovery, filtration and
treatment during surgical procedures; blood autotransfusion
apparatus; blood filtration and treatment apparatus for
autotransfusion; measuring apparatus for medical diagnostic
use.
14.
SYSTEM AND METHOD FOR THE TREATMENT OF HAEMORRHAGIC FLUID FOR AUTOTRANSFUSION
The invention relates to a method for the treatment, by filtration, of haemorrhagic fluid contained in a container with a view to subsequent autotransfusion, comprising at least one step of concentrating said haemorrhagic fluid by filtration in order to increase the concentration of red blood cells in the haemorrhagic fluid so as to achieve a target haematocrit level, while at the same time removing from the haemorrhagic fluid a filtrate comprising compounds not desired for autotransfusion, characterized in that it also comprises the following steps: - a preliminary step of measuring the haematocrit level of the haemorrhagic fluid; and - a diluting step consisting in adding, to the volume of haemorrhagic fluid to be treated, a determined volume of diluting liquid, said determined volume of diluting liquid being calculated as a function of the measured haematocrit level of said haemorrhagic fluid and of the target haematocrit level. The invention also relates to a corresponding system for the treatment of haemorrhagic fluid by filtration.
The invention relates to a method for the treatment, by filtration, of haemorrhagic fluid contained in a container with a view to subsequent autotransfusion, comprising at least one step of concentrating said haemorrhagic fluid by filtration in order to increase the concentration of red blood cells in the haemorrhagic fluid so as to achieve a target haematocrit level, while at the same time removing from the haemorrhagic fluid a filtrate comprising compounds not desired for autotransfusion, characterized in that it also comprises the following steps: - a preliminary step of measuring the haematocrit level of the haemorrhagic fluid; and - a diluting step consisting in adding, to the volume of haemorrhagic fluid to be treated, a determined volume of diluting liquid, said determined volume of diluting liquid being calculated as a function of the measured haematocrit level of said haemorrhagic fluid and of the target haematocrit level. The invention also relates to a corresponding system for the treatment of haemorrhagic fluid by filtration.
(1) Appareils médicaux pour la récupération, la filtration et le traitement du sang pendant des interventions chirurgicales; appareils d'autotransfusion sanguine; appareils de filtration et de traitement du sang pour l'autotransfusion.
Medical apparatus and instruments, with the exception of apparatus and instruments in the dental or orthodontic field, namely, blood filters, blood transfusion apparatus, capillary tubes for blood; medical apparatus for blood recovery, filtration and treatment during surgical procedures; blood autotransfusion apparatus; blood filtration and treatment apparatus for autotransfusion; measuring apparatus for medical diagnostic use, namely, blood pressure measuring apparatus, pulse measuring devices, devices for measuring blood sugar
42 - Scientific, technological and industrial services, research and design
Goods & Services
Medical apparatus and instruments; medical apparatus for
blood recovery, filtration and treatment during surgical
procedures; blood autotransfusion apparatus; blood
filtration and treatment apparatus for autotransfusion;
measuring apparatus for medical diagnostic use. Scientific and industrial analysis and research services;
scientific and industrial analysis and research for medical
purposes; scientific and industrial analysis and research
in the field of autotransfusion; research and development
of new products in the field of fluid filtration and
treatment; research and development of new products in the
field of blood filtration and treatment; design and
development of medical apparatus for blood recovery,
filtration and treatment; design and development of fluid
filtration apparatus.
42 - Scientific, technological and industrial services, research and design
Goods & Services
(1) Appareils et instruments médicaux, nommément appareils médicaux pour la récupération, la filtration etle traitement du sang avant, pendant et après des interventions chirurgicales, appareils d'autotransfusion sanguine, appareils de filtration et de traitement du sang pour l'autotransfusion; Appareils de mesure de concentration des globules rouges, des globules blancs et des plaquettes via l'examen, via le diagnostic par Numération Formule Sanguine (NFS). (1) Services d'analyses et de recherches scientifiques et industrielles, nommément analyses et recherches scientifiques et industrielles à des fins médicales, analyses et recherches scientifiques et industrielles dans le domaine de l'autotransfusion; recherche et développement de nouveaux produits dans le domaine de la filtration et du traitement des fluides, nommément recherche et développement de nouveaux produits dans le domaine de la filtration et du traitement du sang; conception et développement d'appareils de filtration de fluides, nommément conception et développement d'appareils médicaux pour la récupération, la filtration et le traitement du sang.
42 - Scientific, technological and industrial services, research and design
Goods & Services
Medical apparatus for blood recovery, filtration and treatment during surgical procedures; blood autotransfusion apparatus; blood filtration and treatment apparatus for autotransfusion; measuring apparatus for medical diagnostic use Scientific and industrial analysis and research services in the fields of auto-transfusions and the treatment and filtration of blood; scientific and industrial analysis and research for medical purposes in the fields of auto-transfusions and the treatment and filtration of blood in the fields of auto-transfusions and the treatment and filtration of blood; scientific and industrial analysis and research in the field of autotransfusion; research and development of new products in the field of fluid filtration and treatment; research and development of new products in the field of blood filtration and treatment; design and development of medical apparatus for blood recovery, filtration and treatment; design and development of fluid filtration apparatus
21.
SYSTEM AND METHOD FOR TREATMENT OF HEMORRHAGIC FLUID FOR AUTOTRANSFUSION
A system for treating hemorrhagic fluid previously taken from a patient for autotransfusion, including a hemorrhagic fluid treatment unit comprising: a filtering device for tangential filtration comprising a filtering membrane; a treatment bag allowing circulation of the hemorrhagic fluid in the recirculation line in a direction going from the outlet to the inlet of the treatment bag, through the intake chamber of the filtration device; a cleaning line to carry a cleaning fluid to said discharge chamber; and a first flow regulating member arranged to regulate the flow in the cleaning line and a second flow regulating member arranged to regulate the flow in a discharge line fluidly connected to the discharge chamber outlet in order to control the cleaning fluid pressure in the discharge chamber.
The invention relates to a system, and its associated method of use, for treatment of a hemorrhagic liquid previously taken from a patient with a view to autotransfusion, including a treatment unit (100) for treating the hemorrhagic liquid, said treatment unit (100) comprising: - a filtration device (110) for tangential filtration comprising a filtration membrane (113) arranged in a casing (114) in such a way as to separate an admission chamber (111) from a discharge chamber (112), the admission chamber (111) and the discharge chamber (112) each having an inlet (111a; 112a) and an outlet (111b; 112b) for fluids; - a treatment bag (140) having an inlet (140a) and an outlet (140b) which are fluidically connected by a recirculation line (150) to the outlet (111b) and the inlet (111a) of the admission chamber (111) of the filtration device (110) respectively, permitting circulation of the hemorrhagic liquid in the recirculation line (150) in a direction from the outlet (140b) of the treatment bag (140) to the inlet (140a) of the treatment bag (140) by way of the admission chamber (111) of the filtration device (110); - a cleaning line (180) connected fluidically to the inlet (112a) of the discharge chamber (112) of the filtration device (110) in order to feed a cleaning liquid into said discharge chamber (112); and - a first flow regulator (181) arranged to regulate flow in the cleaning line (180), and a second flow regulator (131) arranged to regulate flow in a discharge line (130) connected fluidically to the outlet (112b) of the discharge chamber (112) of the filtration device (110), in such a way as to be able to control the pressure of cleaning liquid in the discharge chamber (112).
The invention relates to a system, and an associated method for using the system, for treating hemorrhagic fluid previously taken from a patient for the purpose of autotransfusion, including a unit for treating (100) hemorrhagic fluid, said treatment unit (100) comprising: - a filtration device (110) for tangential filtration comprising a filtration membrane (113) arranged in a housing (114) so as to separate an intake chamber (111) from a discharge chamber (112), the inlet chamber (111) and the discharge chamber (112) each having an inlet (111a; 112a) and an outlet (111b; 112b) for fluids; - a treatment pouch (140) having an inlet (140a) and an outlet (140b) fluidly connected by a recirculation line (150) at the outlet (111b) and at the inlet (111a) of the inlet chamber (111) of the filtration device (110), respectively, allowing hemorrhagic fluid to circulate in the recirculation line (150) in a direction running from the outlet (140b) of the treatment pouch (40) toward the inlet (140a) of the treatment pouch (140) through the inlet chamber (111) of the filtration device (110); - a cleaning line (180) fluidly connected to the inlet (112a) of the discharge chamber (112) of the filtration device (110) to convey cleaning liquid into said discharge chamber (112); and - a first flow regulation member (181) arranged to regulate the flow in the cleaning line (180) and a second flow regulation member (131) arranged to regulate the flow in a discharge line (130) fluidly connected to the outlet (112b) of the discharge chamber (112) of the filtration device (110), so as to be able to control the pressure of cleaning liquid in the discharge chamber (112).
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
11 - Environmental control apparatus
42 - Scientific, technological and industrial services, research and design
Goods & Services
Measuring apparatus and instruments for recovering, filtering and treating liquids; Scientific apparatus and instruments for recovering, filtering and treating liquids. Medical apparatus and instruments; Medical apparatus for recovering, filtering and treating blood during surgical interventions; Blood autotransfusion apparatus; Apparatus for filtering and treating blood for autotransfusion; Diagnostic measuring apparatus for medical use. Filtering apparatus for fluids; Apparatus for purifying and treating fluids; Water filtering apparatus for industrial or scientific use; Water purification and treatment apparatus for industrial or scientific use. Scientific and industrial analysis and research services; Scientific and industrial analysis and research for medical purposes; Scientific and industrial analysis and research in the field of autotransfusion; Research and development of new products in the field of the filtration and treatment of fluids; Research and development of new products in the field of the filtration and treatment of blood; Design and development of medical apparatus for recovering, filtering and treating blood; Design and development of apparatus for filtering fluids.
