645results about "Wound drains" patented technology

A urinary drainage system includes an air pressure apparatus. The air pressure apparatus includes a connector and an adapter. The connector includes a reduced diameter portion, a connector lumen extending from an upstream opening to a downstream opening in the reduced diameter portion, and a lateral port configured for drawing a fluid sample from the connector lumen. The adapter is sealing coupled to the connector and includes an adapter lumen receiving the reduced diameter portion, the downstream opening in fluid communication with the adapter lumen. A luminal space is defined in the adapter lumen around the reduced diameter portion of the connector. The adapter further includes an air intake port including a port lumen orthogonal to the adapter lumen, which is configured to provide a positive air flow to the luminal space to draw a fluid through the downstream opening in the reduced diameter portion of the connector.

It can securely fix medical tubing in place. [Solution] The device comprises a female member into which a medical tube 11 is inserted, a male member that screws into the female member, and an O-ring 12 that is housed in the female member and deforms as the male member screws into the female member, thereby fixing the medical tube 11. The female member has a seating portion 67 into which the O-ring 23 is seated, and the male member has a pressing portion 42 that presses the O-ring 23 seated in the seating portion 67. The pressing surface 51a of the pressing portion 42 is formed parallel to the shear direction, and the seating surface 67a of the seating portion 67 is formed in an inclined shape that curves toward the medical tube 11 from a plane parallel to the pressing surface 51a.

According to an aspect, a method of cholecystitis treatment includes: forming a communication hole that communicates a gallbladder and a duodenum; and arranging a bypass tube extending from a cystic duct to the duodenum through an inside of the gallbladder and the communication hole.

A stent including a tubular body formed of one or more interwoven wires, a first anchor member disposed adjacent the first open end of the stent, a second anchor member disposed adjacent the second open end of the stent, and at least one divider disposed between the first and second anchor members. The first and second anchor members and the divider extend radially outward from the tubular body to divide the tubular body into at least a first saddle region extending between the first anchor member and the divider and a second saddle region extending between the second anchor member and the divider.

A catheter insertable into a urethra for installation in a user's bladder and urethra, the catheter comprising: a urine conduit comprising a first urine inlet and a urine outlet; and an inlet protector extending outwardly from the urine conduit from a position between the first urine inlet and the urine outlet, where the inlet protector functions to protect the urine inlet by separating it from contact with the bladder wall and thus keeping it out of contact with tissue.

The present invention provides a tube connector and a tube with a connector that can prevent the first and second members from unintentionally separating. [Solution] A tube connector 12 for connecting a medical tube 11 to a medical device, comprising a female member 21 into which the medical tube 11 is inserted, a male member 22 that screws into the female member 21, and an O-ring 23 housed in the female member 21 and deforming as the male member 22 screws into the female member 21, thereby fixing the medical tube 11, wherein the male member 22 has an engaging projection 44, and the female member 21 has a retaining portion 72 that locks the engaging projection 44 in the direction of separation of the male member 22 from the female member 21.

The present invention relates to the technical field of medical drainage tubes, in particular to an abdominal drainage device for tumor surgery. The abdominal drainage device comprises a negative pressure drainage device, wherein a control apparatus is provided on the negative pressure drainage device; a negative pressure drainage assembly is provided at the front end of the negative pressure drainage device; a drainage connecting tube is fixedly mounted at a drainage tube connection end of the negative pressure drainage assembly; and an abdominal drainage tube assembly is provided at one end of the drainage connecting tube. The beneficial effects are as follows: by means of designing a rigid adjustment branch tube below an abdominal drainage main tube, and cooperatively designing an adjustment fixing ring and an adjustment fixing assembly, a pushing spacer is moved to make a movable adjustment tube rotate as a whole, and then the pushing spacer is pressed to pull a tightening line, such that a gate plate presses adjustment bumps, shifting hollow spherical tubes above the rigid adjustment branch tube and deflecting hollow spherical tubes below the rigid adjustment branch tube, thereby driving the adjustments of the positions of a rigid connection branch tube and an abdominal drainage branch tube by means of the deflection below the rigid adjustment branch tube, and facilitating the adjustments of drainage positions.

Medical devices and methods are described for removing a predetermined shape of soft tissue from a target tissue layer, leaving a matching passage having a predetermined geometry and orientation in the target tissue layer. The medical devices include coaxial outer and inner elongate members extending along an axis X; the outer member includes an open distal end and a first distal portion configured for piercing the target tissue layer during forward axial movement; the inner member includes a second distal portion configured to rotate and protrude distally through the open distal end to cut the predetermined shape of soft tissue from the target tissue layer and create the passage, which forms a hole across the target tissue layer.

A securement assembly for supporting and stabilizing a vascular access device, such as a tunneled central venous access devices (CVAD) or a surgical drain, is provided herein. The securement assembly may comprise a base and a lid. The base may include a central post about / around which the external portion of the access device or surgical drain may be wrapped. The lid may extend from the base and may be configured to cover the external portion of the access device or surgical drain (when installed). In various embodiments, the base and the lid collectively define an annular chamber around the central post of the base.

To provide a pump configured to be deployed in a patient's body.SOLUTION: A pump assembly for increasing urine output from a patient includes at least one ureteral catheter 614 including a distal portion having a retention portion 624 configured to be positioned in a kidney, renal pelvis, and / or ureter of the patient and a proximal portion defining a drainage lumen. The retention portion includes at least one drainage port 626 that permits fluid flow into the drainage lumen. The pump assembly further includes a pump 612 configured to provide negative pressure to at least one of the renal pelvis or the kidney through the drainage lumen of the at least one ureteral catheter. The pump includes at least one fluid port in fluid communication with the drainage lumen of the proximal portion of the ureteral catheter for receiving fluid from the patient's kidney, and at least a portion of the pump is configured to be positioned within the patient's body.SELECTED DRAWING: Figure 15A

The invention relates to a device that enables and accelerates wound healing by generating a controlled vacuum used in the healing of chronic and acute wounds and protects the wound area from external effects, and a method for operating said device.

The present disclosure generally relates to systems and methods of use for draining cerebrospinal fluid (CSF) from a brain or a spinal canal in a subject, for example, to treat hydrocephalus or other conditions. In some embodiments, the disclosure relates to a device comprising a flow controller positioned within a conduit that allows CSF to flow through the conduit from a first end to a second end. This may allow the CSF to drain, for example, from an intradural space (such as a thecal sac) into, for example, a paraspinal space, paraspinal vein or other venous space, or peritoneal cavity. A variety of methods may be used to hold or anchor the device in place, for example, an expansion apparatus. In some embodiments, the device can be implanted percutaneously at a location along or within a subject's spinal column, thus reducing the need for surgery, general anesthesia, and hospitalizations.

Catheters that include at least one eyelet shaped to decrease urethral trauma on the proximal insertion end portion of the catheter.

An adjustable flow glaucoma diverter is disclosed herein. For example, in one embodiment, an adjustable flow diverter may include an outflow drainage tube having a proximal inflow region and a distal outflow region. The proximal inflow region may include an aperture defining a fluid inlet range disposed at a location allowing fluid to flow therethrough. The diverter also includes an inflow control assembly located at the proximal inflow region. The inflow control assembly may include a control element configured to slidably mate with the proximal inflow region and a spring element. The spring element is configured to be activated by non-invasive energy and, upon activation, slidably move the control element along the proximal inflow region such that (a) the one or more apertures are accessible and have a first fluid flow cross-section, or (b) the one or more apertures are at least partially covered by the control element and have a second, different fluid flow cross-section.

A blood flow pathway is formed between a left atrium and a coronary sinus for relieving elevated left atrial pressure. The treatment method includes providing first and second delivery catheters, wherein a medical device is carried by the second delivery catheter. A side outlet opening of the first delivery catheter is positioned within the coronary sinus and oriented toward a left atrium. An anchor on the first delivery catheter contacts an inner surface of the coronary sinus for stabilization. A distal portion of the second delivery catheter is advanced through the side outlet opening. A puncture component is then passed through a target wall portion for creating the blood flow pathway. The medical device is positioned in the opening.

Systems, methods, and computer-readable media for providing a decision support solution to medical professionals to optimize medical care through data monitoring and feedback treatment are provided herein. In another embodiment, a computer-implemented method for modeling patient outcomes resulting from treatment in a specific medical area includes receiving patient-specific data associated with a patient, determining a plurality of possible patient states under which the patient can be categorized, a current patient state under which the patient can be categorized and determining probabilities of the patient transitioning from any of the possible patient states to every other possible patient state.

Systems, devices, and methods are provided for the delivery of an implant into the prostatic urethra. Embodiments of delivery systems can include a delivery device for insertion into the patient and a proximal control device for use in controlling release of the implant from the delivery device.

Fluid reservoir (113; 213; 313) for an aspiration line (107) of a medical system, wherein the aspiration line (107) serves to aspirate a fluid from a surgical site on a living being by means of a fluid pump of the medical system in a suction direction, comprising: - a shell (214; 314) enclosing a chamber (219; 319) designed to hold a fluid; - a separating element (215; 315) that divides the chamber (219; 319) into a first sub-chamber (219a; 319a) and a second sub-chamber (219b; 319b); - a first fluid connection (220; 320) designed to fluidically connect the first subchamber (219a; 319a) to an outer surface of the shell (214; 314), and designed to be connected to a first part (107a) of the aspiration line (107) to be connected to the fluid pump; - a second fluid port (222; 322) designed to fluidically connect the second subchamber (219b; 319b) to the outer surface of the shell (214; 314), and designed to be connected to a second part (107b) of the aspiration line (107) to be directed towards the surgical site; and - a backflow preventer that the separating element (215; 315) has to fluidically connect the first subchamber (219a; 319a) with the second subchamber (219b; 319b), wherein the backflow preventer is designed to prevent a flow of fluid from the first subchamber (219a; 319a) into the second subchamber (219b, 319b) in the opposite direction to the suction direction, and wherein the separating element is a flexible separating element (215; 315), and the flexible separating element (215; 315) is designed in such a way as to achieve a pumping effect of the fluid reservoir (113; 213; 313) in the second subchamber (219b; 319b) when the flexible separating element (215; 315) is deformed by a certain positive pressure difference between the first subchamber (219a; 319a) and the second subchamber (219b; 319b), which enables the conveyance of a certain fluid delivery volume, characterized by the fact that the specific fluid flow volume is chosen depending on the type of operation performed on a living being.

To provide a system for percutaneous drainage of a drainage site.SOLUTION: A system for percutaneous drainage of a drainage site includes a catheter, a drain tube, a first pump, a flush tube, a second pump, and a controller. The catheter includes a drain lumen defined by a first portion of the catheter wall and the septum, and a flush lumen defined by a second portion of the catheter wall and the septum and separated from the drain lumen by the septum. The septum has at least one septum hole disposed therein such that the drain lumen and the flush lumen are in communication via the at least one septum hole. The catheter wall has at least one wall aperture disposed therein such that the drain lumen is in communication with the drainage site when the distal end portion of the catheter is disposed within the drainage site.SELECTED DRAWING: Figure 1A

The present technology relates to intracardiac pressure monitoring devices, and associated systems and methods. In some embodiments, the present technology includes a device for monitoring pressure within a patient's heart. The device can include a pressure sensor configured to reside within a first chamber of a heart of a patient, and a pressure transmission element configured to extend from the first chamber through a septal wall to a second chamber of the heart of the patient. When the device is implanted in the patient's heart, the pressure transmission element is configured to transmit pressure from the second chamber to the pressure sensor residing within the first chamber.

The present disclosure provides a balloon-free, self-retainable and threadable urethral catheter that contains special external markings to guide insertion, and that could be indwelled easily and safely. Through various experiments and the structural configuration, the balloon-free, self-retainable and threadable urethral catheter of the present disclosure can make insertion of a mushroom-tip urethral catheter easily performed by primary care medical professionals, instead of previously only been done by senior urologists with a semi-rigid stainless-steel stylet. This disclosure leads to better urine drainage and reduces irritation to the posterior wall of the bladder. With the special design of this disclosure, minor urethral structure can be overcome to insert this catheter safely.

A shunt for use with a first conduit and a second conduit comprises a first housing configured to receive the first conduit for blood ingress such that the first conduit extends through the first housing, the first housing being shaped to define a slot; a trigger lever movably mounted in the first housing and extending out of the slot such that a depression of the trigger lever causes the trigger lever to depress the first conduit, thereby controlling blood flow rate through the first conduit; and a second housing removably attachable to the first housing, the second housing comprising a cavity for receiving and holding blood from the first conduit, and configured to receive the second conduit such that the second conduit is in communication with the cavity for blood egress through the second conduit.

The invention relates to a device (1000) for extracting a stent, in particular a ureteral stent, comprising: a casing portion (199) which is tubular and is connected, at a first end, to a handle portion (300) and has an opening (110) at the second end opposite the handle portion (300); and a catching element (200) which can be moved at least translationally in the casing portion (100) in the longitudinal direction of the casing portion (100) and has a catching portion (210) at the end thereof facing the opening (110) of the casing portion (100), the catching portion being designed to be brought into engagement with the stent. The catching portion (210) is designed in such a way that, after the catching portion (210) has been pushed out of the casing portion (100), the catching portion (210) can be folded down with respect to the rest of the catching element (200).

A form stable expandable stent and tissue expander assembly having a sealed outer shell body forming an internal chamber. A form stability member may be provided within the internal chamber of the shell body. Drainage / irrigation tubing extend through the chamber of the shell body and a fill tube is provided in communication with the internal chamber of the outer shell and extends outwardly therefrom. Manipulation structures with handles and other cooperating fastening and removing elements may be provided for use with the expandable stent and tissue expander assemblies of the invention.

To provide a negative pressure treatment device control method capable of automatically filling washing fluid to a bottom part of an injury part, and a negative pressure treatment device using the same control method.SOLUTION: There is provided a control method of a negative pressure treatment device which comprises: a covering sheet 4 for sealing a wound part; liquid feeding means 9 for feeding washing fluid 1 to inside of the covering sheet sealing the wound part through a feeding channel 3; suction means 8 for maintaining a pressure at inside of the covering sheet to a negative pressure state, and sucking the washing fluid from the inside of the covering sheet through the suction channel; a container 7 which is connected to the suction channel 6, and storing the washing fluid sucked by the suction means; a pressure gauge A (2A) connected to a position where a pressure at the inside of the covering sheet can be measured; a pressure gauge B (2B) connected to a position where a pressure in the container can be measured; and an atmospheric air open path 10 for connecting through a valve, inside of the suction channel or inside of the covering sheet to atmospheric air.SELECTED DRAWING: Figure 2

A method of manufacturing a medical device includes forming a drainage conduit for removing fluids from a patient and forming one or more flexible delivery conduits for delivering medication. The delivery conduits are attached to and detachably disposed in channels on an exterior surface of the drainage conduit, each being substantially flush with the surface and peelable at one or both ends. The channels may partially surround the delivery conduits and include lips or friction features for retention. The method may include forming multiple channels, permanently attaching portions of the delivery conduits, and providing drainage holes along a length of the drainage conduit. Additional features may include attaching luer locks to the delivery conduits, constructing the conduits from flexible materials, and fabricating components via extrusion. Optional design variations include concentric delivery conduit placement, non-circular cross-sections, and threading to enable suturing or attachment to other medical components or devices.