292 results about "Tube placement" patented technology

A rotational locking mechanism for securing a catheter to a surgical implant is disclosed. The locking mechanism includes a deflectable extension extending from the surgical implant about the catheter attached to the surgical implant. The shape of the deflectable extension defines a slot therein. A connector having at least one tab extending therefrom is placed about the catheter at the point of attachment to the surgical implant. Rotation of the tubular connector brings at least one tab of the connector into contact with the slot in the deflectable extension and deflects and releases at least a portion of the slot as the connector rotates from an unlocked position to a locked position within the slot. The rotation motion secures the catheter to the surgical implant, and produces a feedback detectable by a surgeon rotating the tubular connector.

An ostomy tube device comprises a hallow flexible tube with internal retaining member, a tapered hollow canula and a pull loop means forming leading and rear pole loop when positioned through the tapered canula. The hallow flexible tube folded over the rear pole loop and squeezed into the lumen of the tapered canula provides a releasable attachment. An ostomy placement kit includes an ostomy tube device, an external retention member, a needle, a flexible guide wire, a wire loop device and a tubular delivery means. The flexible guide wire is passed through an endoscope into the hollow organ, is grasped with the wire loop device, and is pulled through the abdominal wall. The ostomy tube device attached to guide wire is passed and positioned through the abdominal wall. Tapered canula is pulled off the hollow flexible tube and the external retention member is positioned over using the tubular delivery means.

Swirl tube separator for separating solids from a gas-solid containing feed comprising a tubular housing, an inlet for introducing a gas-solids mixture at one end of said housing, a solids outlet opening at the opposite end of said housing, and a co-axial positioned tubular gas outlet conduit placed at an end of said housing, wherein along the axis of the tubular housing a vortex extender pin is present.

A nasogastric tube placement and monitoring system is provided including a flexible nasogastric tube and numerous circuits that can be used alone or in combination. The circuits include a feedback initiator, a feedback receiver, and a clinician notifying device. By various means in the provided circuits, the feedback initiator provides information about the location of the distal end of the nasogastric tube. This information or data is received and analyzed by the feedback receiver that monitors the circuit, which then transmits an output to the clinician notifying device to alert or advise the attending clinician of this information. The data that is output supplies information about the location of the tube's distal end to the clinician, thereby assisting the clinician in placement of the nasogastric tube during intubation, as well as in monitoring proper tube placement after placement.

A gastric tube placement device having a carbon dioxide indicator is disclosed. The carbon dioxide indicator comprises a rectangular housing defining a chamber in communication with opposing ports that permits substantial axial flow through the chamber with a carbon dioxide detector disposed therein. A Y-port connector having first and second legs in communication with a main port with a gastric tube coupled to the inside of the connector is provided for insertion of the distal end of the gastric tube through the esophagus of the patient. The carbon dioxide indicator further comprises a carbon dioxide detector disposed inside the rectangular housing which is configured to minimize the dead space inside the housing and facilitates a substantially axial airflow through the carbon dioxide detector when a syringe or similar air-evacuating device is engaged to the rectangular housing and draws air from the housing.

This invention relates to a device that comprises at least one collection unit (11), equipped with a collection tube (21) placed on supports (23), which is formed by an inner absorber tube (31) shaped as a continuous tube and an outer envelope tube (33). The collection unit (11) also comprises reflectors (15) that direct the radiation toward the collection tube (21). Moreover, the device comprises means (41, 43) designed to maintain the collection tube (21) space between the absorber tube (31) and the envelope tube (33) at a pressure of between 5·10−1-5·10−2 mbar. The main advantages of the invention include the reduction in the breaking of glass due to the lower stresses to fatigue, an increase in the effective collection surface (97%-98%) and active management of the vacuum, which makes it possible to monitor the evolution thereof at all times.

A covered-type endoscope includes an endoscope-cover and a cover-adapted endoscope to be inserted into the endoscope-cover. The endoscope-cover includes a tube and a cover-bending portion with a plurality of longitudinally joined cover-joint pieces. The cover-adapted endoscope includes a bending portion with a plurality of longitudinally joined joint pieces. The bending portion includes a guide portion which guides the tube in the longitudinal direction of the bending portion and cooperates with the cover-bending portion of the endoscope-cover to provide a tube placement chamber between the guide portion and the cover-bending portion of the endoscope-cover so that a conduit for the tube is maintained. The tube is flexible to bend in accordance with the bending of the cover-bending portion and the bending portion.

There is provided a device for performing a balloon dilation tracheostomy. The balloon has internal braces or “stays” extending from the center to the inside surface of the balloon, though other arrangements are possible. The braces control the ultimate expansion and final shape of the balloon when it is fully inflated, inhibiting the ability of parts of the balloon to herniate. The balloon should also expand more uniformly, allowing the practitioner to more confidently expand the tracheal stoma site and ensuring a successful dilation and tube placement.

A method of forming a slip joint includes providing a forming mandrel having a plurality of axially extending external splines, placing an inner tube circumferentially about the mandrel, and applying radially inward pressure on the inner tube to deform the inner tube and cause it to conform to the shape of the mandrel. The deformation step forms splines on the outer surface of the inner tube. A circumferential seal is then applied around the inner tube, and an outer tube is placed around the inner tube and the seal. Radially inward pressure is applied on the outer tube to deform the outer tube and cause it to conform to the shape of the inner tube, and thereby forming splines on the inner surface of the outer tube. The splines on the outer surface of the inner tube and the splines on the inner surface of the outer tube are configured to cooperate together to form a slip joint.

A method and apparatus are directed to reduce the load from the threads on taps on an orifice plate or orifice fitting. The apparatus includes a tap (3) having an NPT threaded end (1) and a flanged end (12) and an intermediate flange (13) which engages with a stabilizing tube (2) placed around the tap (3). In use, a stabilizing nut (1), previously threaded on the stabilizing tube (2), is unthreaded thereby forcing the stabilizing tube (2) against the intermediate flange (13) and transferring at least some of the weight off the threads (1) of the tap (3).

The application discloses a liquid sampling device, a blood cell analyzer and medical equipment. The liquid sampling device comprises a rack (9) and a sampling component mounted on the rack (9), wherein the sampling component comprises a swab (4) and a sampling needle (5) contained inside the swab (4); the liquid sampling device has a test tube placement position; the sampling component has a sampling position located above the tube placement position; the liquid sampling device further comprises a shielding component which comprises a bracket (8) and a baffle ring (7); the bracket (8) is fixed on the rack (9) and extends to the position between the sampling position and the test tube placement position; the baffle ring (7) is movably assembled on the bracket and has a floating gap (81) is reserved between the baffle ring (7) and the bracket (8); a guide hole (7a) through which the sampling needle (5) can penetrate is formed in the baffle ring (7), and the guide hole (7a) is shrunk from upside to downside. According to the liquid sampling device, the sampling needle can suck liquid successfully from a test tube, and blood-carrying bubbles in the test tube are prevented from entering the guide hole to pollute the swab.

The invention generally relates to systems and methods for stress testing to failure tubular mesh devices, specifically, one or more stents or mesh grid tubes. A radial compression method of stress to fatigue is developed by placing a tubular medical implant within a lower than normal compliance test vessel. A radial expansion method of stress to fatigue is developed by placing higher than normal compliance tubes within a tubular medical implant. A method for radial expansion and radial compression is conducted by placing a higher than normal compliance tube through the mesh device and the placing the tube and device within a lower than normal compliance test vessel. Each method is tested on a tester that operates by delivering pulsatile flow with varying pressures, frequencies and testing parameters. Fracture of the test subject is visualized by high speed camera.

The invention relates to the technical field of experimental equipment, and discloses a chemical experiment tube placement rack. The rack comprises a base, a battery is fixedly mounted by a bolt in the base, at least two independently operated push button switches electrically connected to the battery are fixedly mounted on the base, a lower matching seat is fixedly mounted by a bolt on the upperside of the base, and an upper matching seat is mounted on the upper side of the lower matching seat through a bearing. The tube placement rack can effectively place, clean and dry tubes according tothe use requirement of the tubes, thereby effectively facilitating the maintenance work of the tubes, reducing the physical strength consumption of experimental operators, providing convenience for the experiment operators to mark and select the tubes, saving the experiment preparation time, and improving the experiment efficiency, and the rack has a high practical value.

The invention provides a cell cryopreservation liquid kit and a preservation method thereof. According to the cell cryopreservation liquid kit and the preservation method thereof, the cell cryopreservation liquid kit comprise a kit body and a reagent tube placing cylinder; the reagent tube placing cylinder is arranged in the kit body. The invention provides the cell cryopreservation liquid kit andthe preservation method thereof. A pushing structure is arranged at the bottom of the reagent tube placing cylinder; when a reagent tube needs to be taken out, pull rings on the two sides of the kitbody can be pulled; finally, a pushing plate is not subjected to a clamping effect any more; under the elastic force effect of a compression spring, the pushing plate starts to move upwards and pushesthe bottom of the reagent tube; the reagent tube can be automatically pushed out, a traditional manual pulling-out mode is changed, the reagent tubes can be pulled out more conveniently and more easily, the reagent tube is effectively prevented from being damaged due to overexertion, the reagent tube is well protected, and the pushing structure enables the overall practicability of the kit to beimproved.

A catheter positioning system includes a catheter needle assembly comprising a catheter having a permanent hub and a needle carried in the catheter lumen. A releasable clamp is used to compress the catheter against the needle to prevent axial movement of one relative to the other. The clamp is periodically released after being moved a short distance toward the target vessel or nerve and is repositioned a short distance from the skin entry point to further advance the catheter needle assembly. The clamp is configured to be removed from the catheter by movement in a direction other than along the longitudinal axis of the catheter while the catheter hub remains in place. After successful placement of the catheter, the clamp may be snapped apart or opened along a hinge without moving the catheter from its final position.

The invention discloses an accurate assembling machine and method for a pre-filling type needle tube push rod. The accurate assembling machine comprises a rotary table, wherein the rotary table comprises an upper round plate and a middle round plate, which are coaxially arranged from top to bottom; a plurality of U-shaped needle tube placement holes with outward openings are uniformly formed in the periphery of the middle round plate; the upper round plate is provided with a push rod bayonet; a pair of supporting rollers are correspondingly arranged at inner sides below the U-shaped needle tube placement holes; the axes of the supporting rollers are parallel to a rotary shaft of the rotary table; a pre-twisting friction block is arranged at the outer side of the rotary table; a circular-arc-shaped notch which is coaxial with the rotary table is formed in the inner side of the pre-twisting friction block; a fine twisting depended wheel is arranged at the rear side of the pre-twisting friction block; and a fine twisting depended wheel driving mechanism, connected with the fine twisting depended wheel, is arranged below the fine twisting depended wheel. According to the accurate assembling machine and method disclosed by the invention, the pre-twisting friction block is adopted and the push rod is pre-tightened greatly, and tight twisting is carried out by adopting the fine twisting depended wheel, so that the push rod and an elastic rubber plug are connected in place; and leakage of injection liquid in a utilization process is prevented, the assembling quality and productivity of the push rod are improved and the assembling cost of the push rod is reduced.

A lower cover of the connector cover includes a pair of elastic hold arms projected upward from both side walls of a tube placement wall. An upper cover includes a pair of arm storing portions for storing the pair of elastic hold arms. The pair of arm storing portions respectively have facing surfaces. The facing surfaces respectively face side surfaces of the pair of hold arms perpendicular to the wire lead-out direction, when the lower cover and the upper cover are connected to each other.

An adjustable size balloon at the distal end of a feeding tube is used to aid in positioning, along with an endoscope, the tube in the jejunum or small bowel of a patient, without creating an obstruction in the intestines. The balloon is fully inflated when the endoscope that is used to place the tube in the duodenum is withdrawn, and then partially deflated to a size that allows peristaltic action on the balloon to move the tube into the jejunum, after which the balloon is further deflated to avoid creating an obstruction in the intestine.

The invention relates to a puncturing blood sampling device, and provides an automatic blood sampling instrument. The automatic blood sampling instrument comprises a control module, a sampling module and a capping tube placement region, wherein the sampling module comprises a horizontal power mechanism, a rack, and a sampling needle puncturing mechanism; the horizontal power mechanism drives the rack to move in the horizontal direction according to an instruction of the control module; the sampling needle puncturing mechanism is fixed on the rack; the sampling needle puncturing mechanism comprises a sampling unit and a first power mechanism; the sampling unit comprises a plurality of sampling needles; the sampling needles puncture and sample a blood sample in a capping tube of the capping tube placement region according to the instruction of the control module; the first power mechanism drives the sampling unit to move in the vertical direction. The invention has the advantages that the automatic blood sampling instrument provided by the invention has an automatic and multi-channel puncturing and sampling function.

A catheter assembly includes a catheter hub and an introducer needle. The introducer needle extends through the catheter hub and through a catheter tube so as to assist placement of the catheter tube into a patient's blood vessel. Blood flashback into the catheter tube and / or catheter hub can indicate when the catheter tube is properly positioned within the blood vessel. After proper catheter tube placement is confirmed through blood flashback, the introducer needle is withdrawn. A septum blocks flashback blood from flowing proximally out of the catheter hub. One or more air vents enable air within the hub to vent when flashback blood enters the catheter hub. A porous hydrophobic material covers the one or more air vents. The hydrophobic material allows the air to flow therethrough and through the vents, but repels blood, blocking blood from flowing through the air vents.

The invention provides a construction platform and a construction method of a pebble bed large-scale deep water foundation. The construction platform comprises barges which are symmetrically arranged,wherein a space truss structure which is used for locating steel protective tubes is assembled between the top parts of the barges; a protective tube inserting platform is arranged at the top part ofthe space truss structure; multiple groups of first double I-shaped steel carrying pole beams are arranged between the top parts of adjacent steel protective tubes; platform hoisting equipment for lifting the whole platform is arranged between the first double I-shaped steel carrying pole beams and the space truss structure. Two large barges are utilized for constructing a protective tube placement space truss construction platform, the platform is wholly lifted after all protective tubes are in place, and the platform is then utilized as a pile foundation construction, cofferdam assembling and lowering platform, so that the construction efficiency is increased, and the construction quality is ensured.

Automatic hip intramuscular injection equipment comprises a working box and a working cavity formed in the working box, wherein sliding grooves are symmetrically formed in the upper side of the working box; telescopic plates are arranged in the sliding grooves in a sliding mode; placement blocks are fixedly arranged at the ends, close to each other, of the left telescopic plate and the right telescopic plate; the upper end face of each placement block is an arc-shaped face; and a front vertical rod and a rear vertical rod symmetrical with each other are fixedly arranged at the bottom of the left placement block. After a needle tube filled with a liquid medicine is placed at a designated position of the injection equipment, a patient can adjust the position according to own actual condition, injection to muscle tissue of the hip can be automatically achieved, constancy can be kept when injection to the muscle tissue is carried out, pain of the patient is greatly relieved, manual injection is not needed, and thus the privacy of the patient is protected.

The system of the present invention includes an instrument including a tube and one or more devices configured to improve patient comfort during intubation and to achieve proper tube placement in a patient's body. Embodiments of the present invention include a device configured to enter a patient's body in a collapsed state. In such embodiments, the device may achieve an erected state to facilitate positioning a tube into a patient's body.

The invention discloses a novel portable reagent tube placement cabinet for a biological technology. The novel portable reagent tube placement cabinet for the biological technology comprises a cabinetbody, wherein two first bearings are separately welded to the two sides of the bottom of the cabinet body; supporting rods are separately welded to the inner walls of the two first bearings; supporting seats are separately welded to the bottoms of the two supporting rods; a brake pad is arranged on the outer wall of one side of each supporting seat; second fixing plates are welded to the positions, which are close to the tops, of the inner walls of the two sides of the cabinet body; test tube sleeves which are distributed equidistantly are welded to the top of each second fixing plate; a short test tube is placed in each test tube sleeve; and steel channel sliding tracks are separately welded to the inner walls of two sides of the cabinet body. The test tube cabinet can move by pushing apush rod, a user carries the cabinet conveniently, the distance between a first fixing plate and a supporting plate can be adjusted according to the lengths of the test tubes, the different test tubesare stored favorably, the diversity of storage of the device is improved, the circumstance that other people who are not workers open a cabinet door to steal or damage the test tubes is prevented, and the safety of storage of the device is improved.

A medical tube harness that a subject wears to organize, orient and support medical tubes and reduce the potential for unintentional tugging, kinking, and / or dislodging of the tubes as they extend from a subject's internal cavities, organs, orifices and / or anchor sites on the subject. The harness can improve patient comfort and safety, and can provide multiple locations for strategic tube placement.

The present invention relates to an aeration device provided with: an aeration tube, in the upper part of which multiple aeration holes are formed and which extends in the horizontal direction; and an open-ended tube. One end of the open-ended tube directly or indirectly communicates with an end of the aeration tube and the open end of the open-ended tube opens downward in the vertical direction and satisfies formula (1). The present invention provides: an aeration device, which is capable of uniform aeration, can be placed conveniently, and with which complication of tube placement does not occur easily; an operation method therefor; and a water treatment apparatus provided with the aeration device.(D×d×n) / Q≦7.5  (1)(In formula (1), (D) is the internal diameter (mm) of the aeration tube, (d) is the diameter (mm) of the aeration holes, (n) is the number of aeration holes per one aeration tube, and (Q) is the air flow (l / min) of the gas supplied per one aeration tube.)