126results about "Blood sampling devices" patented technology

The application belongs to the technical field of medical apparatus and specifically relates to an adjustable blood sampling auxiliary device for children, which comprises a shell, an upper spring, a blood sampling needle, an adjusting assembly, a sliding cylinder, a lower spring, a protective cap and a pressing pad, which jointly constitute core main components. The upper spring is arranged at the top of the inner cavity of the shell, the blood sampling needle is slidably arranged in the inner cavity of the shell, the needle tip end thereof faces downward and reciprocates along the vertical direction under the pressure of the upper spring, the adjusting assembly is arranged on the wall of the shell and communicates with the inner cavity of the shell, the adjusting assembly adjusts the tension of the upper spring through a knob, and the pressing stroke and the puncture depth of the blood sampling needle are changed, the sliding cylinder has a cavity for accommodating components in the inside, the sliding cylinder slides in the inner cavity of the shell, and the bottom of the sliding cylinder protrudes from the bottom cavity opening of the shell. The application can preset the puncture degree of the needle part and fully cover the blood sampling needs of children of different age groups from zero to twelve years old, and solves the technical defects of fixed puncture depth and inability to adapt to individual differences in the prior art.

A biological fluid collection system that receives a sample and provides flow-through blood stabilization technology and a precise sample dispensing function for point-of-care and near patient testing applications is disclosed. A biological fluid collection system of the present disclosure is able to effectuate distributed mixing of a sample stabilizer within a blood sample and dispense the stabilized sample in a controlled manner. In this manner, a biological fluid collection system of the present disclosure enables blood micro-sample management, e.g., passive mixing with a sample stabilizer and controlled dispensing, for point-of-care and near patient testing applications.

A hemoshield device for reducing hemolysis in a catheter system may include a distal end, which may include a distal connector. The distal connector may include a tapered male luer configured to insert into a proximal end of a catheter hub to form a tight fluid seal. The hemoshield device may include a proximal end, which may include an adapter configured to receive a blood collection device. The adapter may include a non-patient cannula configured to pierce the blood collection device. The hemoshield device may include an extension tube. A distal end of the extension tube may be fixed within the tapered male luer, and a proximal end of the extension tube may be fixed within the adapter. The extension tube may include a fluid pathway extending from the distal connector to the adapter.

This invention discloses a protective device for blood collection needles used in medical testing, relating to the field of blood collection needle protection technology. It includes an outer tube, integrally injection molded, with its inner wall sequentially machined from bottom to top into a front cavity section, a middle cavity section, and a tail cavity section. A needle outlet is perforated at the center of the bottom surface of the outer tube. A guide sleeve is fixedly connected to the outer side of the bottom surface of the outer tube at the needle outlet position. An inner needle seat is slidably connected inside the outer tube in the middle cavity section, with a push spring fixedly connected to the bottom of the inner needle seat. A blood collection needle is injection molded and fixedly connected to the center of the bottom of the inner needle seat through a first insert. A tail push rod is slidably connected inside the outer tube in the middle cavity section and above the inner needle seat. An integrally molded limiting piece is fixedly connected to the top of the tail push rod. An internal thread is formed on the inner wall of the outer tube at the tail cavity section, and an installation ring is provided inside the outer tube in the tail cavity section. This invention completely eliminates the risk of needlestick injury, simplifies the process, and improves the efficiency and safety of multi-tube blood collection.

The present disclosure relates to a continuous glucose monitoring device, in which a body attachment unit is manufactured so as to be assembled in an applicator, thereby minimizing additional work for a user in attaching the body attachment unit to a body, and allowing attachment of the body attachment unit to the body simply by operation of the applicator. In particular, a wireless communication chip is provided in the body attachment unit to enable communication with an external terminal, thereby enabling simple and convenient use without additional work of connecting a separate transmitter, and allowing easier maintenance. In addition, the continuous glucose monitoring device is activated by a user's operation after the body attachment unit is attached to the body, such that an activation start time can be adjusted to a time appropriate to the user's needs, and the continuous glucose monitoring device can be activated in a stabilized state, and thereby can monitor blood glucose more accurately.

The present subject matter discloses a blood extraction device 100 comprising a main body 102 defining an internal cavity 102a including a vacuum chamber 104 and a lancet assembly 106. The lancet assembly 106 includes a lancet spring 106a and a needle 106b aligned with a skin-contact opening formed at a lower surface of the main body 102. An adhesive layer 110 is disposed on the lower surface of the main body 102 and is configured to attach the device to a user's skin such that the region is sealed around the skin-contact opening. An actuator knob 112 is mounted on a top surface 102b of the main body 102 and is mechanically coupled to a rotating valve 114b positioned within the internal cavity 102a. Rotation of the actuator knob 112 actuates the lancet spring to drive the needle toward the skin-contact opening and applies vacuum for blood extraction.

A sampler (10) has barrel (20) and a plunger (22) within the barrel and defining a fluid receiving volume (38). An inlet (24) is in fluid communication with the fluid receiving volume (38) via a flow path and a one way valve (76) is located in the flow path and to only allow fluid to flow from the inlet (24) into the 5 fluid receiving volume (38). The plunger (22) has an outlet (46) in fluid communication with the fluid receiving volume (38) so that movement of the plunger (22) can draw fluid into fluid receiving volume (38) via the inlet (24) and expel fluid from the fluid receiving volume (38) via the outlet (46).

A device for collecting a sample includes a housing having an interface configured to contact an anatomy and a cavity extending from the interface such that the interface surrounds the cavity. A channel extending into the housing and a body defines a vacuum chamber in fluid communication with the channel. An actuator coupled to the housing causes a vacuum plunger to translate within the vacuum chamber and a piercer coupled to the body and translatable along an axis. The piercer is engageable with the anatomy of the subject in to create a wound in the anatomy of the subject. A collection chamber coupled to the housing includes an inlet in fluid communication with the channel. In response to the interface being coupled to the anatomy and the force being applied to the actuator, a pressure within the vacuum chamber decreases and the piercer creates the wound in the subject.

A microsensor and method of manufacture for a microsensor, comprising an array of filaments, wherein each filament of the array of filaments comprises a substrate and a conductive layer coupled to the substrate and configured to facilitate analyte detection. Each filament of the array of filaments can further comprise an insulating layer configured to isolate regions defined by the conductive layer for analyte detection, a sensing layer coupled to the conductive layer, configured to enable transduction, and a selective coating coupled to the sensing layer, configured to facilitate detection of specific target analytes / ions. The microsensor facilitates detection of at least one analyte present in a body fluid of a user interfacing with the microsensor.

The utility model belongs to blood sampling protection equipment field, specific nail protection sleeve, including rubber finger sleeve, one end fixed assembly of rubber finger sleeve has plastic connecting disc, is provided with finger placing groove on rubber finger sleeve, the other end fixed assembly of rubber finger sleeve has rubber band, rubber band is located the outside of finger placing groove, be provided with operating mouth on plastic connecting disc, be provided with a plurality of insertion needle mouth on operating mouth, operating mouth is fixedly assembled with guide rod in symmetry, two guide rods are movably assembled with positioning mark block, positioning mark block is penetrated with positioning pointer, the inner wall of operating mouth is provided with a plurality of clamping grooves, the cooperation of positioning pointer and insertion needle mouth of above -mentioned nail protection sleeve has solved the same part of the same finger of frequent frequent prick of the present if the operation method is improper, then possibly lead to local skin damage, the infection risk also can increase accordingly, and simultaneously still can bring stronger painful feeling problem.

An agent is for inhibiting glucose uptake into red blood cells and a blood collection tube suppresses glucose concentration decrease. The agent for inhibiting glucose uptake into red blood cells includes inosine as an active ingredient. The inhibition agent can be used for suppressing a decrease in glucose concentration of whole blood collected in a blood collection tube. The blood collection tube includes inosine in an internal space. The blood collection tube can be used to measure glucose concentration in blood. The blood collection tube can further include a glycolysis inhibitor.

The application relates to the technical field of indwelling needles, and discloses an indwining needle capable of preventing blood backflow, which comprises a venous tube, a filling pipeline fixedly connected to the top of the venous tube, a hose fixedly connected to the outside of the filling pipeline, a mixed liquid tube fixedly connected to one end of the hose, a transfusion tube fixedly connected to one end of the mixed liquid tube, a heparin cap fixedly connected to the other end of the mixed liquid tube, a drainage ball movably connected between the filling pipeline and the hose, and second anastomosis walls for anastomosing the drainage ball formed by the concave shapes of the two sides of the replacement ring, a drainage hole arranged on the drainage ball, the filling pipeline communicated with the hose through the drainage hole, and a three-labium sealing plate movably connected to the inside of the filling pipeline. The indwining needle capable of preventing blood backflow is characterized in that blood in the hose flows into the inside of the filling pipeline, and when the liquid level in the inside of the filling pipeline drops, the three-labium sealing plate slowly drops to re-contact the drainage ball, so that the channel between the filling pipeline and the hose is closed, thereby preventing the possibility of blood backflow in the pipeline.

The application discloses an integrated automatic blood-squeezing peripheral blood glucose detection device, which comprises a host computer (1) and a detachably connected disposable sterile integrated core (2). The disposable sterile integrated core (2) comprises a microneedle assembly (4), an elastic squeezing structure (3) arranged around the microneedle assembly (4), a blood glucose detection test paper (6), a capillary blood guiding channel (5) and an electrode contact (7). When the microneedle assembly (4) completes skin puncture, the elastic squeezing structure (3) applies synchronous micro mechanical squeezing force to the tissue around the blood sampling site, so that blood seeps out and is automatically transported to the blood glucose detection test paper (6) through the capillary blood guiding channel (5). The blood glucose detection test paper (6) is internally integrated in the disposable sterile integrated core (2), and the electrode contact (7) is used for electrical connection with the host computer (1). The application realizes the integration of blood sampling, automatic blood squeezing, blood guiding and detection by using a pure mechanical structure, and does not need manual blood squeezing and manual sample adding. The application has the advantages of simple structure, low cost, simple operation, safety and sanitation, and is suitable for rapid blood glucose detection in family and hospital scenes.

A method for treating an artificial bone implant with blood, according to the method bone material is placed in a container configured to be filled with blood, wherein the container comprises an opening and a cover configured to cover the opening of the container and a fixed separator that separates a bottom part and an upper part. The separator is provided with holes so that when the container is filled with whole blood, the blood in the bottom part is in full contact with the blood in the upper part, and wherein the bone material is in the upper part, on top of the separator.

An apparatus includes a cannula assembly, a housing, a fluid reservoir, a flow control mechanism, and an actuator. The housing includes an inlet port removably coupled to the cannula assembly and defines an inner volume. The fluid reservoir is fluidically coupled to the housing and configured to receive and isolate a volume of bodily fluid from a patient. The flow control mechanism is at least partially disposed in the inner volume. The actuator is operably coupled to the flow control mechanism and is configured to move the flow control mechanism between a first configuration, in which bodily fluid can flow, via a fluid flow path defined by the flow control mechanism, from the cannula assembly, through the inlet port and into the fluid reservoir, to a second configuration, in which the fluid reservoir is fluidically isolated from the cannula assembly.

The present subject matter discloses a blood extraction device 100 comprising a main body 102 defining an internal cavity 102a including a vacuum chamber 104 and a lancet assembly 106. The lancet assembly 106 includes a lancet spring 106a and a needle 106b aligned with a skin-contact opening formed at a lower surface of the main body 102. An adhesive layer 110 is disposed on the lower surface of the main body 102 and is configured to attach the device to a user's skin such that the region is sealed around the skin-contact opening. An actuator knob 112 is mounted on a top surface 102b of the main body 102 and is mechanically coupled to a rotating valve 114b positioned within the internal cavity 102a. Rotation of the actuator knob 112 actuates the lancet spring to drive the needle toward the skin-contact opening and applies vacuum for blood extraction.

The present invention is related to medical surgical equipment More preferably, the present invention provides a sub-endometrial needle (100) adapted to receive a removable syringe with stem cell / platelet-rich plasma solution and for administering the said stem cell / platelet-rich plasma solution into the sub- endometrial lining comprising of long needle shaft (101), a needle distal end (102) comprising a bevel (104) and marking (105), a needle proximal end (103) comprising a hub (106), characterized in that the hub is consisting of stop cock valve (108) with flow control knob (109) and syringe interacting part (107) adapted for securing the syringe inside the said needle hub.

An applicator according to the present disclosure is an applicator for inserting a sensor for measuring biometric information into a user's skin, the applicator comprising: an applicator body; an insertion unit installed on the applicator body to move a sensor unit from a first position in which same is spaced apart from the user's skin to a second position in which the sensor is inserted into the user's skin, the sensor unit comprising the sensor, a sensor unit housing on which the sensor is mounted, an adhesive layer provided on the sensor unit housing, and a protective sheet covering the adhesive layer; and a moving tab to which a part of the protective sheet is coupled, the moving tab being movably installed on the applicator body to be movable by the user such that the protective sheet can be moved away from the sensor unit housing and thus separated from the adhesive layer.

A blood sampler for collecting a blood sample from a digit, includes a clip defining a space for receiving at least part of the digit. The clip includes a first opening for attaching a vial for receiving the blood sample, and at least one lancet holder in or on the clip at a location different from the first opening, for receiving a lancet system having a lancet for lancing the at least part of the digit when present in the space.

A cap with a venting plug for a biological fluid collection device is disclosed. The venting plug allows air to pass therethrough and prevents a blood sample from passing therethrough. In one embodiment, the venting plug is a porous plug. In one embodiment, the cap includes a venting plug including a carboxymethylcellulose additive. A cap that limits analyte bias due to the interaction of plasma ions with the carboxymethylcellulose by reducing the contact area between the blood and the carboxymethylcellulose additive, e.g., decreasing radius, is also disclosed.

The present invention provides an insertion device assembly comprising an analyte monitoring device, wherein the analyte monitoring device comprises a locking part positioned on the circumferential side of the outer bottom surface of the analyte monitoring device, and the insertion device comprises: a holder which is coupled to the upper part of the analyte monitoring device; a hook which protrudes from the lower part of the holder toward the center and has elasticity; a lower housing which forms the lower part of the insertion device; a moving hole which is formed inside the lower housing and into which the holder is inserted to be movable up and down; and a support part which protrudes from an inner circumferential surface of the moving hole, wherein when the analyte monitoring device is coupled to the holder and positioned above the moving hole, an outer side of the hook is supported by the support part so that a state in which the locking part and the hook are in contact with each other is maintained, and as the holder and the analyte monitoring device move to the lower part of the moving hole, the support of the outer side of the hook by the support part is released.

This invention discloses an adjustable pediatric blood collection fixation device, relating to the field of blood collection fixation devices. The adjustable pediatric blood collection fixation device has arc-shaped sliding grooves on both sides of the arc-shaped groove plate. The arc-shaped groove plate slides and adapts to the outer side of the inner sliding plate through the arc-shaped sliding grooves. Each arc-shaped sliding groove of the arc-shaped groove plate is engaged with an elastic ring. Through the rotational connection between the side rotating plate and the clamping arm mechanism, and in conjunction with the sliding adaptation between the inner sliding plate and the arc-shaped groove plate, after the arm is fixed, the angle between the forearm and upper arm can be adjusted according to the need for blood collection. This causes the inner sliding plate to compress the elastic ring, simultaneously flattening the blood collection area. This avoids the situation where, after fixing the child's arm, the angle of the child's arm cannot be adjusted, preventing medical staff from readjusting the child's arm and obstructing the blood collection area, thus hindering blood collection operations.

The utility model belongs to the field of blood glucose meter, concretely relates to a blood glucose meter convenient operation, including blood glucose meter organism, the left side fixed connection of blood glucose meter organism has the storage groove, the inside slide connection of storage groove has the blood taking needle shell, the inside of blood taking needle shell is provided with blood taking depth adjustable mechanism, the outer wall fixed connection of blood taking needle shell has the sliding block, the sliding block penetrates the storage groove and is connected with the storage groove sliding, the top fixed connection of blood taking needle shell has the locating block, the inside top fixed connection of storage groove has the locating column, the locating column is connected with the locating block and clamps. The utility model discloses through setting blood taking depth adjustable mechanism in blood taking needle shell, and blood taking depth adjustable mechanism is adjusted the rod through the knob rotation, and the telescopic of needle head is realized with the adjustment sleeve cooperation, and user can accurate control blood taking depth, and the pain feeling is reduced, and moreover simple and convenient operation.

The embodiment of the application discloses a kind of intelligent blood sampling auxiliary systems and auxiliary methods, including: image acquisition unit;Sound acquisition unit;Display unit;Processing unit is respectively connected with the image acquisition unit, the sound acquisition unit and the display unit, and the processing unit is configured to: based on the real-time image identification key object in blood sampling operation and operation action, and generate visual guidance information superimposed display on the display unit;Based on the environmental sound identification key sound event in blood sampling process;Visual recognition result and sound recognition result are fused, and the completion state of blood sampling step is judged;According to preset mode, selectively output prompt information.According to the application, it realizes the leap from "passive monitoring" to "active assistance", and systematically improves the accuracy of blood sampling operation, the reliability of determination and user experience in multiple scenarios.

The present invention provides a sensor-inserting needle of an analyte monitoring device, and an analyte monitoring device comprising same, the needle comprising: a needle body positioned to surround at least a portion of the sensor; a needle tip formed to be inclined at a proximal side of the needle; a first inclined part located at a proximal end of the needle tip; and a second inclined part located between the first inclined part and the needle body at a proximal side of the needle.

The present application relates to the technical fields of biomedical engineering, and especially to a kind of pacification fixing device for blood collection of children.The fixing frame is fixedly connected with first air bag and first air pressure telescopic rod, the first air pressure telescopic rod is communicated with the first air bag, the telescopic part of the first air pressure telescopic rod is slidably connected with support frame, the support frame is fixedly connected with flexible pad, the support frame is rotatably connected with symmetrically distributed rotating frame, and the rotating frame is fixedly connected with second air bag.The present application fixes children through fixing frame, does not limit the head and neck of children before collecting jugular vein blood, to alleviate the nervousness of children before blood collection, pacifies children, when blood collection is needed, the movement of support frame and the rotation of rotating frame make flexible pad and second air bag wrap the head and neck of children, to fix children, reduce the time of fixing the head and neck of children when blood collection, and guarantee the stability of children's mood during blood collection.

A catheter system is provided, comprising a catheter and a first catheter adapter having an adapter body and adapter wings. The catheter body includes a distal port, a proximal port, and a side port, wherein a proximal end of the catheter is secured to the distal port, and the side port includes a Luer connector. The adapter wings engage with the adapter body and include a first flexible wing and a second flexible wing configured to contact each other when a clamping force is applied thereto. An extension tube is connected to the proximal port, and a second catheter adapter is connected to the proximal end of the extension tube. A blood aspiration device is coupled to the side port and includes a flow tube configured to extend distally from the blood aspiration device, through the first catheter adapter, and into the catheter to perform blood aspiration.