27 results about "Arterial pH" patented technology

An arterial blood module (16) that is removably connectable to an arterial blood collection element (14) is disclosed. The arterial blood module includes a housing (30), a needle (32), a cap (34) removably securable over the needle, a mixing chamber (36), and a safety shield (38) engaged with a portion of the housing and transitionable from a first shield position in which a portion of the needle is exposed to a second shield position in which the needle is shielded by a portion of the safety shield. In one embodiment, the present disclosure includes an arterial blood collection system (10) that includes an arterial blood collection element (14) defining a collection chamber (20) and an arterial blood module (16) removably connectable to a portion of the arterial blood collection element.

The utility model relates to the technical field of arterial blood gas blood taking needles, and particularly discloses a multifunctional arterial blood gas blood taking needle which comprises a syringe, the syringe comprises a syringe needle, a syringe tube and a push rod, one end of the syringe tube is provided with a Luer interface, and the syringe needle is detachably connected with the syringe tube through the Luer interface; the push rod is slidably arranged in the syringe, and one end of the push rod extends out of the syringe; the sealing piece is arranged at one end of the push rod and connected with the push rod; a connecting part is arranged at one end of the protective cap, an abutting part is arranged at the other end of the protective cap, and the protective cap can be detachably connected with the Luer interface in a threaded mode through the connecting part and can also be inserted into the end, away from the syringe, of the push rod through the abutting part. The method has the effects of improving the blood drawing efficiency and ensuring the consistency and accuracy of blood samples.

1. The name of the product of this design: pillow (specially used for arterial blood gas collection). 2. Purpose of the product of this design: an auxiliary device for arterial blood gas collection. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. The name of the design product: arterial blood gas needle (LS103). 2. The use of the design product: the design product is used for collecting and storing arterial blood sample, and the collected blood sample is used for blood gas analysis. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combined state perspective view.

The utility model discloses an upper limb upwarp prevention dragging and dropping device for arterial blood gas sampling. The upper limb upwarp prevention dragging and dropping device comprises a base, a bracket and a shielding assembly. The bracket comprises an arm supporting piece and a palm supporting piece; the arm supporting piece is arranged on the base, and a first restraint strap used for restraining an arm is arranged on the arm supporting piece; the palm supporting piece is arranged on the rear side of the arm supporting piece, and a second restraint strap used for restraining fingers is arranged on the palm supporting piece; the shielding assembly comprises a connecting piece and shielding cloth; the connecting piece is movably connected with the base and can be switched between a first position and a second position relative to the base; when the connecting piece is switched to the first position, the connecting piece is vertically arranged and located on the front side of the arm supporting piece. When the connecting piece is switched to the second position, the connecting piece is horizontally arranged and is suitable for being arranged on the base in a sleeving manner; the shielding cloth is arranged on the connecting piece in a rolling mode and used for shielding the sight line of a patient. According to the upper limb anti-upwarp dragging and dropping device for arterial blood gas blood sampling, on one hand, the hand of a patient can be fixed during blood sampling of the patient, and the hand of the patient is prevented from upwarp to affect blood sampling; on the other hand, the sight of the patient can be shielded according to conditions, and the patient suffering from blood faint is prevented.

The invention discloses an arterial blood gas needle vent plug assembling device which comprises a mounting platform, a conveying mechanism, a vent plug feeding mechanism, a rubber plug feeding mechanism, a vent plug and rubber plug assembling mechanism, an assembled detection mechanism, a good product transferring mechanism and a defective product removing mechanism. Through cooperation of the conveying mechanism and other mechanisms, full-automatic assembly and detection of the arterial blood gas needle vent plug can be achieved, and the assembly efficiency and the product quality are effectively improved.

The invention concerns hypoxia, which is a critical medical condition that can have severe health consequences. Early and accurate detection of hypoxia is thus desirable to prevent irreversible tissue damage and improve clinical outcomes. Traditional methods for detecting hypoxia, such as arterial blood gas measurements, use of oxygen sensors or misonidazole positron-emitting tomography, have limitations in terms of accuracy, invasiness, irradiation and cost. That is why the inventors have developed a method to determined a biological state linked to hypoxia, said method being without irradiation.

A computer-implemented method, system, and decision support system adapted to provide arterial venous blood gas values without providing arterial oxygenation saturation values or arterial blood gas values. The method includes providing arterial blood gas values from a subject for which only venous blood gas values are provided by providing a mathematical model adapted to convert the venous blood gas values with provided predefined default arterial oxygenation values to output arterial blood gas values of the subject. Thus, the present invention provides a method for providing arterial blood gas values from a particular subject without the need for providing an arterial blood sample by painful arterial blood drawing, and also without the need for the subject's arterial oxygenation saturation values, thereby reducing the patient's pain and reducing the task of related health care personnel.

The invention discloses an arterial blood collection method and a method for judging the type of a target blood vessel, a blood collection needle and an arterial blood gas needle of a sample storage device are included, the sample storage device comprises the sample storage device and a push rod sliding on the sample storage device by means of a piston, through holes are formed in the end of the piston and the end of the push rod, and the end of the push rod is of a hollow structure; the arterial blood collection method provided by the invention comprises the following steps: S1, assembling the blood taking needle and the sample storage device, and pulling the push rod, so that the end surface, close to the blood taking needle, of the piston is flush with a volume scale line of a target blood drawing volume; s2, feeding the blood taking needle into a target blood vessel, automatically pumping blood into a sample storage device, automatically stopping when the blood liquid level is in contact with the end face, close to the blood taking needle, of a piston, pulling out the needle to stop bleeding, and finishing collection; s3, removing a blood taking needle on the arterial blood gas needle, and sealing the sample storage device; according to the invention, whether the collected blood is arterial blood or venous blood can be effectively identified during blood collection, and automatic quantitative control of the blood collection process can be realized.

The invention belongs to the field of respiratory and cardiovascular system disease treatment, and provides application of bletilla striata glycoside in preparation of a medicine for treating or preventing heart failure and pulmonary edema. It is found and proved for the first time that bletilla striata glycoside can remarkably improve heart function indexes of heart failure model mice, relieve pathological injuries of heart and lung tissue, effectively regulate and control arterial blood-gas indexes in a pulmonary edema model, reduce the level of inflammatory factors in alveolar lavage fluid and improve the pathological structure of lung tissue. The medicine can be applied in dosage forms such as oral administration, injection or spray, and the preferable dosage is 2.5-10 mg / kg. The invention provides a multi-target and multi-effect intervention strategy derived from a natural product for heart failure and concurrent or secondary pulmonary edema thereof, and has a remarkable clinical transformation prospect.

The utility model relates to the technical field of medical instruments, in particular to a high-reliability exhaust type preset arterial blood gas needle which comprises a piston, a core rod, a sleeve, an exhaust plug and a needle head, the piston is arranged on the inner side of the sleeve in a sliding mode, the core rod is coaxially fixed to the end, close to an opening of the sleeve, of the piston, and a ventilation channel is formed in the piston. One end, far away from the opening of the sleeve, of the ventilation channel is filled with the venting plug, the inner side of the ventilation channel is filled with the non-return plug, the non-return plug and the venting plug are arranged in a spaced mode, the edge of the end, far away from the opening of the sleeve, of the piston is provided with a ventilation hole, the ventilation hole is communicated with the ventilation channel between the non-return plug and the venting plug, and both the venting plug and the non-return plug are ventilated without liquid. The needle is mounted at one end of the sleeve away from the opening. According to the blood gas needle, the vent holes are formed in the edge of the piston, so that bubbles which cannot be discharged can be prevented from being easily formed at dead corners between the piston and the inner wall of the sleeve when arterial blood is filled to be close to the piston, and the blood gas needle has a good application prospect.

A blood extraction device includes a catheter tube, a housing configured to movably receive the catheter tube, and an advancement member movably coupled to the housing to move the catheter tube between a first position and a second position, the distal end of the catheter tube is disposed beyond the distal end of the housing and through the distal tip of the indwelling arterial catheter. An auxiliary catheter is coupled to and proximally extends from the advancement member, wherein an acquisition device is coupled to the auxiliary catheter for fluid communication with the catheter body. The blood extraction device is configured such that a fluid path formed by the catheter body and the auxiliary catheter has a controlled geometric factor defined as a ratio of a length of the fluid path to an inner diameter of the fluid path. The blood extraction device can facilitate improved arterial line blood collection for arterial blood gas sampling and continuous pressure monitoring.

The invention provides a sensor for monitoring arterial blood gas data, a preparation method and a system. The functional blocks are adjacently arranged on the base body, and the plurality of functional blocks can be used for detecting pH, O2 and CO2 under the excitation light with the same wavelength; wherein the functional blocks comprise a first functional block and a second functional block; wherein the first functional block is coated with a coating, and the coating can load O2 and a pH fluorescent indicator at the same time. By constructing the first functional block and the second functional block, sensitive detection of multiple biomass is realized, especially the O2 fluorescent indicator and the pH fluorescent indicator can be loaded at the same time through the coating on the first functional block, and the characteristic that the O2 fluorescent indicator and the pH fluorescent indicator have the same polarity is utilized; by arranging the two functional blocks, the detection of three substances can be realized, and the structural complexity of the whole detector is reduced, so that the reliability of the detector is improved.

The present invention belongs to the field of medical device technology, and specifically relates to a correction method for potassium ion results measured by a blood gas analyzer, which is used to solve the problem that the potassium ion results in the emergency bedside arterial blood gas analysis are always very different from the venous electrolyte potassium ion results measured by the automatic biochemical analyzer of the laboratory. The present invention collects the emergency bedside arterial blood gas results and the venous electrolyte results extracted at the same time, constructs a random forest model, and obtains the main influencing factors affecting the potassium ion results in the emergency bedside arterial blood gas analysis. According to these influencing factors, a multivariate linear regression model is fitted using multivariate linear regression. The corrected potassium ions obtained after correction by the multivariate linear regression model are basically consistent with the potassium ion results measured by the biochemical analyzer, so it can be used to correct and replace the biochemical analyzer to measure the venous blood potassium ion results, which has clear clinical significance and application promotion prospects.

A computer-implemented method, system, and decision support system configured to provide arterial-venous blood gas values without preparing arterial oxygenation saturation values or arterial blood gas values. The method includes providing arterial blood gas values from a subject by providing a mathematical model configured to output arterial blood gas values of the subject by converting these venous blood gas values with a predetermined default arterial oxygenation value provided for a subject for whom only venous blood gas values are provided. Thus, the present invention provides a method for providing arterial blood gas values from a particular subject without requiring the provision of an arterial blood sample from a painful arterial blood draw or the arterial oxygenation saturation value of the subject, thus reducing the pain to the patient and reducing the workload of the associated medical staff.

The utility model discloses a wrist pad for collecting arterial blood gas, which relates to the technical field of wrist pads and comprises a long-strip-shaped wrist pad body, the top of the wrist pad body is recessed downwards along the length direction, an elbow recessed area is integrally formed at the top of one end of the wrist pad body, and the other end of the wrist pad body is provided with an elbow groove. A hand concave area is integrally formed at the top of the other end of the wrist pad body, the width of the end, close to the elbow concave area, of the wrist pad body is larger than that of the other end of the wrist pad body, the top of the wrist pad body is movably connected with a pressing assembly, and an adjusting assembly is arranged in the wrist pad body; after blood sampling, medical staff can insert the bandage into the buckle assembly, meanwhile, the arc-shaped pressing plate is used for pressing the cotton swab, and finally, one end of the bandage is fixed through the buckle assembly, so that a patient can be replaced to press a puncture position.

The utility model discloses an arterial blood gas needle capable of mutually converting preset blood drawing and direct blood drawing, which comprises a needle cylinder and a piston rod movably arranged in the needle cylinder, a blood drawing cavity is arranged in the needle cylinder, the piston rod slides along the inner wall of the needle cylinder in the blood drawing cavity, and the arterial blood gas needle further comprises a sealing cap used for converting preset blood drawing into direct blood drawing. And the sealing cap is detachably arranged at the top end of the piston rod, and is detachably arranged at the front end of the needle cylinder during inspection. The preset type blood gas needle is reasonable in structural design, aiming at some special patient groups such as infants and elderly patients, when blood vessel pressure in bodies of the patients is not enough to press enough blood into the needle cylinder, the sealing cap can be inserted into the top of the needle cylinder to play a sealing role and generate vacuum negative pressure, and the preset type blood gas needle is converted into a direct pumping type. The patient continues to be subjected to blood drawing in the mode of manually drawing the piston rod, and the insufficient amount of blood in the needle cylinder during preset blood drawing is supplemented.

The arterial blood gas vacuum collecting tube suitable for automatic detection is characterized by comprising a collecting tube, a silica gel plug and a tube cap, the silica gel plug is plugged in a tube opening of the collecting tube, the tube cap covers the outer side of the tube opening of the collecting tube and presses the silica gel plug, a center hole is formed in the top of the tube cap, and the silica gel plug is arranged in the center hole. A partition plate is arranged in the collection pipe and used for dividing an inner cavity of the collection pipe into a residual gas collection cavity and a specimen storage cavity, a hydration film pipeline is arranged in the specimen storage cavity and connected to the partition plate from the lower end of the silica gel plug, a collection channel is formed in the hydration film pipeline, and an air inlet communicated with the collection channel is formed in the partition plate. And a reflux valve is arranged at the air inlet. The device has the beneficial effects that the manual operation can be greatly reduced, the working efficiency of a laboratory is improved, the full-automatic detection of arterial blood in the laboratory is facilitated, the influence of air on the arterial blood is reduced, and the accuracy of a blood gas analysis detection result is ensured.

The present application relates to the technical field of medical devices, and particularly relates to a radial artery arteriole blood gas puncture fixing device. The radial artery arteriole blood gas puncture fixing device comprises a mounting frame, a notch is formed in the mounting frame, a bandage is symmetrically mounted on two sides of the mounting frame, a rotating cover plate is rotatably connected to the mounting frame, a control panel is mounted on the rotating cover plate, a universal coupling is symmetrically rotatably mounted on the inner wall of the mounting frame, a mounting plate is rotatably mounted on the end of the universal coupling, and a guide tube is connected to the mounting plate. The universal coupling and the mounting plate are arranged, so that the guide tube can be freely adjusted in angle and position in three-dimensional space, can be fitted to the actual bending trend of the radial artery in three-dimensional space, and can solve the problem that the prior art can only adjust the angle in a single plane. When operating, the angle of the mounting plate and the guide tube is flexibly adjusted through the universal coupling, the universal joint is locked by an electromagnet after the position is determined, so as to fix the guide tube. The structure enables the puncture needle to be inserted along the real track of the blood vessel.

A computer-implemented method, system and decision support system adapted to provide arterial venous blood gas values without the provision of an arterial oxygenation saturation value or arterial blood gas values. The method comprises the provision of arterial blood gas values from a subject, for which said subject, only venous blood gas values are provided, by providing a mathematical model adapted to convert said venous blood gas values with a provided predefined default arterial oxygenation value to output arterial blood gas values of said subject. The present invention thus provides a method for providing arterial blood gas values from a specific subject without the need of providing an arterial blood sample from a painful arterial blood draw or the need for an arterial oxygenation saturation value of the subject, thus reducing distress to said patient and a reduction of tasks to relevant health care personnel.

An arterial blood collection system includes an arterial blood collection element defining a collection chamber and an arterial blood module removably connectable to a portion of the arterial blood collection element, the arterial blood module including: a housing having a first end and a second end; a needle extending from the first end; a cap removably securable on the needle; a mixing chamber adjacent to the second end; and a safety shield engaged with a portion of the housing, the safety shield being switchable from a first shield position, in which a portion of the needle is exposed, to a second shield position, in which the needle is shielded by a portion of the safety shield. The present disclosure also includes an arterial blood module. The present disclosure simplifies and reduces the number of workflow steps and enables single-handed device operation, which allows for a more efficient arterial blood gas collection procedure.

A disposable arterial blood gas puncture fingerstall is characterized by at least comprising a fingerstall body with an opening at one end, the thickness of a finger pulp part of the fingerstall body is smaller than the thickness of a finger back part and the thickness of a fingertip, the thickness of the finger pulp part is not larger than 0.08 mm, and a sterile pasting film is arranged on the finger pulp part; and a traction sheet is arranged at the opening end of the fingerstall body. Through the innovative design, not only are the accuracy and safety of arterial blood gas puncture improved, but also the convenience of operation and the comfort level of medical staff are remarkably improved, and great significance is achieved for improving the medical service quality.

The invention discloses automatic equipment for liquid adding and assembling of an arterial blood gas needle, which comprises an arterial blood gas needle assembly carrying line, a sheath feeding device, a liquid spraying device, a hot air blowing device, a push rod and sheath assembling device, a push rod pressing device, a blood taking needle installing device, a qualified product discharging device and an unqualified product discharging device are sequentially arranged along the arterial blood gas needle assembly carrying line. Automatic production of the arterial blood gas needle is achieved, automatic liquid medicine adding and automatic liquid medicine drying are achieved, automatic assembly of a push rod, a blood taking needle and a sheath is achieved, the production efficiency and quality of the arterial blood gas needle are improved, and the quality consistency of products is guaranteed.

The utility model discloses a disposable arterial blood gas collection needle capable of preventing acupuncture injury, which comprises a needle cylinder, the front end of the needle cylinder is connected with a needle head, the front end of the needle cylinder is provided with a protective cover, the protective cover is sleeved outside the needle head, and the protective cover is provided with a needle head plugging piece. Compared with the prior art, the protective cover has the advantages that the protective cover is provided with the needle head blocking piece, after blood sampling is completed, the protective cover covers the front end of the needle cylinder again, the needle head penetrates into the blocking piece, sealing is completed, and collected blood is prevented from making contact with air.

An arterial blood module includes an arterial blood sampling element defining a collection chamber, and an arterial blood module removably connectable to a portion of the arterial blood sampling element. The arterial blood module includes a hub, a needle extending from the hub, and a safety shield engaged with a portion of the hub and switchable from a first shield position in which a portion of the needle is exposed to a second shield position in which the needle is shielded by a portion of the safety shield. The arterial blood module also includes an exhaust chamber where the exhaust is in fluid communication with the hub body to expel bubbles from a collected blood sample within the collection chamber of the arterial blood sampling element.

The application discloses an extracorporeal organ perfusion system, which comprises a perfusion main loop and an inflammation factor removing sub-loop; the perfusion main loop comprises a sterile organ storage container, a venous blood gas monitoring device, a venous pressure monitoring device, a perfusion liquid storage tank, a main loop pump, a heat exchanger, a gas exchanger, a white blood cell filter, a bubble filter, an arterial pressure monitoring device, a flow monitoring device, a temperature monitoring device, an arterial blood gas monitoring device and a biological sensor which are sequentially connected and form a circulation loop; the inflammation factor removing sub-loop comprises a purification sub-loop input pump, an inflammation factor filter, a perfusion exchange liquid storage tank and a purification sub-loop output pump which are sequentially connected; the output end of the purification sub-loop output pump is in communication with the input end of the perfusion liquid storage tank; the application has the advantages that the inflammation factors in the perfusion loop can be effectively removed, the perfusion liquid can be effectively reused, and various physiological parameter indexes in the perfusion process can be monitored and fed back in real time.

The arterial blood module including an arterial blood collection element defining a collection chamber, and an arterial blood module removably connectable to a portion of the arterial blood collection element. The arterial blood module includes a hub body, a needle extending from the hub body, and a safety shield engaged with a portion of the hub body and transitionable from a first shield position in which a portion of the needle is exposed to a second shield position in which the needle is shielded by a portion of the safety shield. The arterial blood module also includes a venting chamber, wherein the venting is in fluid communication with the hub body to vent air bubbles from a collected blood sample within the collection chamber of the arterial blood collection element.