14 results about "Arterial pH" patented technology

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.

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.

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.

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.

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.