18 results about "Blood contamination" patented technology

The utility model discloses a device for preparing platelet-rich plasma suspension and gel containing blood cells. Comprising a fixing frame, at least one rapid clamping pipe clamp installed on the fixing frame, a vacuum centrifugal pipe clamped in the rapid clamping pipe clamp, and two suction devices capable of being inserted into the centrifugal pipe from the top or the bottom of the centrifugal pipe. The pusher is used for pushing the aspirator to be inserted into the centrifugal tube; the rotating mechanism is used for driving the pusher to rotate so as to enable the aspirator to face the top or the bottom of the centrifugal tube; the utility model solves the problems of blood pollution, manual operation error and low extraction rate in the manual operation process in the prior art, retains all blood platelets and white blood cells in the blood, retains red blood cells in normal proportion and most plasma proteins, and improves the extraction efficiency. Moreover, the concentration of platelets and leukocytes is constantly about 4 times of the concentration of blood of common normal people, the functions of erythrocyte components are reserved, and the functional effects of various components in the blood can be better exerted.

The utility model relates to a foaming experiment connecting device, which belongs to the technical field of medical instruments and is used for solving the problems of environmental pollution caused by blood splashing and increase of occupational exposure risk of medical staff in the foaming experiment in the prior art. The foaming experiment connecting device comprises a connecting pipe assembly, connectors, an anti-splashing assembly and a connecting cavity, a remaining needle is communicated with the connecting cavity through the connecting pipe assembly, the two connectors are further arranged on the connecting cavity, and the anti-splashing assembly is connected with the connectors; the anti-splashing assembly comprises a fixed end, a shielding film and a shielding end, the shielding film is arranged between the shielding end and the fixed end, and the fixed end is connected with the connector. According to the utility model, blood splashed from the connecting port can be prevented from polluting the medical environment, so that the risk of occupational exposure of medical personnel is reduced.

The invention relates to the technical field of animal husbandry blood collection, and discloses a large animal blood collection and defibering integrated device which comprises a base frame, a sheep conveying assembly, a blood collection fixing assembly and an animal whole blood defibering assembly. According to the large animal blood sampling and defibering integrated equipment, the equipment integrates three core assemblies of sheep transportation, blood sampling fixing and blood plasma defibering, animals or blood sampling bags do not need to be manually transported, and the problem of operation fault caused by independent operation of traditional equipment is thoroughly solved, namely, after blood sampling, the blood sampling bags can be directly fixed to the animal whole blood defibering assembly; blood pollution and activity loss in the transfer process are avoided, and the overall operation duration is shortened compared with a traditional sub-equipment mode; meanwhile, the electric hoist sheep lifting mechanism replaces multi-person lifting, animal transfer can be completed by a single person, and the labor cost is reduced; the blood sampling fixing assembly is of a detachable sleeve structure, the size is reduced after disassembly, and the requirements for large-scale operation and portable storage are met.

The invention discloses a blood extraction and centrifugation integrated device in the field of medical instruments, which comprises a tank body, the top of the tank body is communicated with an inlet, the inlet is communicated with a blood transfusion tube, the bottom of the tank body is rotatably connected with a centrifugation structure, the side wall of the bottom of the tank body is communicated with a first outlet and a second outlet, the first outlet is communicated with a blood return tube, and the second outlet is communicated with a separation tube. The inner side wall of the tank body is slidably connected with a partition plate in the vertical direction, the partition plate divides the tank body into a centrifugal chamber and a plasma storage chamber, the centrifugal chamber is communicated with the plasma storage chamber through a siphon, the input end of the siphon is communicated with a valve, a piston of the valve is connected with an elastic rope, and the other end of the elastic rope is fixedly connected with the top of the partition plate. According to the scheme, the functions of centrifugation, separation and blood return are integrated in one tank body, and the whole process is not contacted with air, so that sealed centrifugation, sealed separation and sealed blood return are realized, the blood can be prevented from being polluted, and the safety in an autologous platelet-rich plasma process is ensured.

This invention relates to a quick-change device and a surgical robot. The quick-change device includes: a first mounting assembly including a first mounting base mounted on the end of a robotic arm; a second mounting assembly including a second mounting base disposed on the end of a surgical instrument, the second mounting base being detachably mounted on the first mounting base; and a wireless transmission assembly including a transmitting component and a receiving component. The transmitting component is disposed on the first mounting base and electrically connected to the controller of the robotic arm, and the receiving component is disposed on the second mounting base. After the first and second mounting bases are connected, the transmitting component and the receiving component wirelessly power and transmit signals. This enables the rapid installation, removal, and replacement of surgical instruments. Simultaneously, the use of a wireless transmission component for non-contact transmission of power, control, and other signals ensures the entire quick-change device is sealed, reducing blood contamination.

The utility model provides a glucometer, which belongs to the technical field of glucometers and comprises an upper shell, a penetrating opening is arranged on the surface of the upper shell, a connecting component is arranged on the inner wall of the upper shell and is used for connecting and limiting the upper shell and a lower shell, a pushing component is arranged below the upper shell and is used for pushing test paper, and the test paper is arranged in the penetrating opening. The pushing assembly comprises a lower shell, two sets of male buckles are symmetrically arranged on the edge of the lower shell, two sets of limiting columns are symmetrically arranged on the inner wall of the lower shell, multiple sets of screw cylinders are symmetrically arranged on the inner wall of the lower shell, the limiting columns are sleeved with a circuit board, and conductive silica gel is welded to the top of the circuit board. A display screen is arranged on the top of the conductive silica gel, and a battery body is arranged in the bottom of the lower shell. Through the arrangement of the pushing assembly, a user can conveniently push test paper out of equipment without pulling out the test paper with effort, fingers or instruments are prevented from being polluted by blood, and the risk of cross infection is reduced.

The invention discloses a portable deer blood sterile collection and preservation device which comprises a portable box structure, the portable box structure comprises a box body, and the top surface of the interior of the box body is sleeved with an upper-layer placement groove; according to the collection and storage structure, the vacuum blood collection bin and the vacuum blood storage bin are integrated together and separated through the partition assembly, blood enters the vacuum blood collection bin after blood collection, and during storage, the short tube is opened through the partition assembly, so that the blood is transferred into the vacuum blood storage bin, and the blood is in a closed state during transfer; a self-locking female connector assembly is arranged in the collection and storage structure, a self-locking male connector assembly is arranged in the blood taking needle structure, blood taking is carried out through connection of two connectors, the mode that the tail end of a needle tube is inserted into a traditional vacuum blood taking device is abandoned, and therefore when the collection and storage structure is continuously replaced for blood taking, after the collection and storage structure is pulled out, blood taking can be carried out conveniently. The self-locking male connector assembly is immediately closed, so that the condition of blood pollution in the process is avoided, and the sterile blood collection is realized by the device.

The blood sampling device comprises a blood sampling tube, a blood sampling rod is arranged on the inner side of the blood sampling tube, a blood sampling hole is formed in one end of the blood sampling tube, one end of the blood sampling tube is fixedly connected with a blood sampling connector, and a blood sampling hose is connected to the outer side of the blood sampling connector in an inserted mode. The other end of the blood sampling hose is connected with a blood sampling needle in an inserted mode, one side of the blood sampling tube is communicated with a blood discharging connector, the inner side of the blood discharging connector is spirally connected with a connecting tube, and the other end of the connecting tube is communicated with a collecting bottle; the blood collection needle with the blood collection hose is inserted into an animal body, the connection distance between the blood collection needle and the blood collection tube is prolonged, the situation that the blood collection tube is unstable due to the fact that the needle is fixedly connected with the blood collection tube during blood collection and the animal is stimulated is avoided, the situation that blood collection work is affected is avoided, blood can be discharged into a collection bottle in time after blood collection, and the blood collection effect is good. Under the action of the sealing plunger and the cleaning spring, the sealing performance can be guaranteed, blood backflow and the like are prevented, and the probability of blood pollution caused during transfer is reduced.

According to the blood data collection method and system based on the block chain technology provided by the invention, since the collection network performs collection through artificial intelligence and has the standard specified abnormal data, the collection of the blood pollution data is that the feature description fragments are collected according to the collection instruction and the specified abnormal data, and the collection efficiency is improved. Therefore, the collection process is more detailed and accurate, the feature description fragment is identified from the to-be-collected blood sample data, and finally, the collection result obtained by collecting the feature description fragment is fed back to the to-be-collected blood sample data, so that the collection of the blood pollution data in the obtained blood sample data collection result is accurate.

1. The name of this design product: Universal suction cutting pliers (disposable). 2. Application of the product with this design: It is used for separation, pulling, dragging, and removal of diseased tissue in deep and narrow surgical fields (or in environments with blood contamination) during endoscopic (or microscopic) surgery, as well as for cleaning blood contamination in the surgical field. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The application discloses a lower limb femoral artery open injury rapid hemostasis device, which comprises an artery compression structure, and first and second bandages are respectively arranged on the left and right sides of the artery compression structure; the artery compression structure comprises a sleeve seat, a threaded push column, a rotating structure and a fixed handle; the bottom end of the threaded push column is provided with a compression head; and the rotating structure comprises a rotating column, a shifting strip, a top cover, a bottom cover and a movable handle. Through the rotating structure and the shifting strip, the artery compression structure is bound, and the rotating structure can be used for unidirectionally shifting the threaded push column under the action of the shifting strip through repeated rotation of the movable handle after the artery compression structure is bound, so that the threaded push column drives the compression head to gradually compress the lower limb artery of the wounded person, the purpose of compression hemostasis is achieved, and the situation that the gloves of medical staff cannot be rotated due to blood contamination, so that the wound of the wounded person cannot be timely hemostasis, is prevented.

We provide a blood collection system that prevents blood contamination. [Solution] The blood collection system comprises an adapter having a distal port, a first proximal port, and a second proximal port, and a blood collection device connected to the first proximal port, the blood collection device comprising a body having a distal end, a proximal end, and a longitudinal axis extending between them, a septum disposed within the body, a cannula having a distal end and a sharp proximal end and extending through the septum, an elastomer sleeve coupled to the body and covering the sharp proximal end of the cannula, an air pipe extending through the septum, and an air membrane disposed proximal to the air pipe, wherein the air priming pathway comprises the air pipe and the air membrane, and a separate blood collection pathway comprises the cannula.

A magnetic type sterile anti-permeation reusable anti-slip retaining pocket comprises retaining pocket cloth, a surgical operation opening is formed in the retaining pocket cloth, double rows of magnetic buckles are installed at the tail end of the retaining pocket and embedded into the retaining pocket cloth, and the size of the exposed area of a surgical site can be adjusted through magnetic buckling of the magnetic buckles at different positions. Side pockets are arranged on the two sides of the front face of the pocket blocking cloth, and the pocket blocking cloth is of a three-layer structure and comprises bottom-layer twill, middle-layer waterproof cloth and surface-layer twill. The surface layer and the bottom layer of the pocket blocking cloth are made of twill cloth, the middle layer of the pocket blocking cloth is made of waterproof cloth, and the pocket blocking cloth is waterproof, capable of preventing blood pollution, soft in material, convenient to use and capable of being repeatedly used, saves resources, achieves the principle of timely isolation of tumor resection positions and has the effect of preventing tumor diffusion pollution.

The present invention provides improved devices for biopsy, aspiration, stem cell acquisition, and methods of using the same. The devices balance aspiration with concurrent infusion to manage changes in pressure at the site of biopsy. The present invention can be adapted for any biopsy, aspiration, or cell harvest procedure, including adipose tissue aspiration and bone marrow aspiration (BMA). In particular, the present invention limits patient pain, prevents blood contamination, and increases cell mobilization, such as improved stem cell yields with intraosseous (10) pharmacological mobilization of stem cells during a BMA procedure, and with improved stem cell yields using pharmacological mobilization of stem cells from fat. The pharmacological mobilization of cells allows the harvest of cells from a biopsy many fold larger than existing methods.

The utility model relates to a combined type artery blood sampling device which comprises a puncture drainage portion, a blood sampling portion, a blood sampling portion, a blood sampling portion, a blood sampling portion, a blood sampling portion and a blood sampling portion, and the puncture drainage portion comprises an artery indwelling needle and a drainage tube used for draining blood. The collecting part comprises a first needle cylinder which is arranged at the other end of the drainage tube and is used for extracting return blood, and a second needle cylinder which is arranged on the side wall, close to the other end, of the drainage tube and is used for extracting arterial blood; the switching part is arranged on the side wall, close to the other end, of the drainage tube, located between the first needle cylinder and the second needle cylinder and used for switching the passage state of the first needle cylinder and the passage state of the second needle cylinder. According to the utility model, the two needle cylinders with different purposes are combined together, and the passage states between the two needle cylinders and the drainage tube are creatively switched, so that the three steps of extracting return blood, extracting arterial blood and re-injecting the return blood can be completed without repeatedly pulling and inserting the needle cylinders, the steps of collecting the arterial blood for a seriously ill patient are effectively simplified, and the working efficiency is improved. The problems of blood pollution and the like are also avoided.

The invention discloses a peripheral blood sampling device for monitoring brain disease markers, and relates to the field of blood sampling, the peripheral blood sampling device comprises a box body, a finger fixing device with one end communicated with the box body, and a puncturing device, a movable finger wiping device and a blood collecting device which are sequentially arranged in the box body from top to bottom and located at one end of the finger fixing device. According to the peripheral blood sampling device, finger puncturing can be automatically carried out, the punctured first drop of blood is wiped and removed, subsequent pure blood is obtained in a gravity drainage mode, blood pollution is effectively avoided, and rapid sampling of the pure blood is achieved.

This application discloses a blood collection system and method based on disposable blood collection needles. The blood collection system includes: an image acquisition unit for acquiring real-time images of the blood collection operation area; an AI processing unit connected to the image acquisition unit for receiving the real-time images and using deep learning algorithms to identify and monitor the blood collection actions and sequence in the real-time images to determine the integrity of the blood collection process and the compliance of the blood collection operation, and generating detection results; and a human-computer interaction unit connected to the AI ​​processing unit for receiving the detection results and providing prompts for each operation step of the blood collection process based on the detection results. According to this application, it standardizes the blood collection operation process and reduces blood contamination.

The utility model relates to medical instrument technical field discloses a kind of platelet-rich plasma preparation kits, including centrifugal tube, liquid guide connector;Centrifugal tube body front upper portion is equipped with the luer taper head of the elastic valve body including slit;Luer taper head includes taper head shell, taper head base, taper head base is connected with centrifugal tube body, taper head shell inside and taper head base form cavity, protruding pipeline is equipped in the middle of taper head base front end, elastic valve body is wrapped in taper head shell, elastic valve body is hollow, and wrapping protruding pipeline;Liquid guide connector is the luer external conical locking connector with rotatable connection's internal thread collar, and the catheter with external conical luer connector is internally arranged, and catheter can be inserted into luer taper head with protruding pipeline communication by the slit of elastic valve body. In the utility model, liquid guide connector and luer taper head are communicated in elastic valve body and form airtight passage, and elastic valve body can close quickly when separating liquid guide connector, effectively prevent the risk of air bacteria to blood pollution.