44 results about "Gastrostomy" patented technology

A medical catheter assembly including a removable inner sleeve. In one embodiment, the assembly is a low profile percutaneous endoscopic gastrostomy (PEG) device and comprises a body, a clamp, a feeding tube, a cap and an inner sleeve assembly. The body includes a base portion and a sleeve portion, the base portion being dimensioned to engage the skin of a patient and having a transverse bore, the sleeve portion extending upwardly from the base portion and having a longitudinal slot aligned with the transverse bore and a transverse slot intersecting the longitudinal bore. The clamp, which is slidably mounted on the base portion and across the transverse slot of the sleeve, comprises a plate having a transverse opening. The transverse opening has a wide region and a narrow region, the two regions being alternately alignable with the longitudinal bore to open and to close, respectively, the feeding tube. The feeding tube has a distal end adapted to be anchored to the inside of a patient and a proximal end inserted up through the base portion and the sleeve portion, including the transverse opening of the clamp situated within the sleeve, and then inverted over the top edge of the sleeve. The cap is then mounted on top of the sleeve so as to secure the inverted end of the catheter to the exterior of the sleeve. The cap is provided with an opening through which access to the catheter may be gained. An inner sleeve, sized to engage the inside surface of the feeding tube, is removably inserted through the cap and the feeding tube, the inner sleeve having a proximal end to which a tubular fitting is secured. Food and / or medications are dispensed to the patient through the fitting and the inner sleeve and, in this manner, prevent clogging of the feeding tube.

A combination device for gastrostomy or jejunostomy usage having a retaining member, an elongated member having a gastrostomy lumen and a jejustomy lumen, and an inflatable balloon mounted on the elongated member. The retaining member is of a low profile and is arranged to be located on the skin adjacent a stoma in the abdominal wall through which the elongated member extends. The balloon seals the stoma about the elongated member. The retaining member includes at least one access port to communicate with respective ones of the lumens. The device, related compositions, and processes can prevent and / or treat granulomas.

A medical system for approximating the esophageal sacs in an infant afflicted with esophageal atresia. The medical device includes an esophageal catheter and a gastric catheter. The distal end of the esophageal catheter, which includes a magnetic tip, is passed through the esophagus to the upper esophageal sac. The distal end of the gastric catheter, which also includes a magnetic tip, is passed through a gastrostomy and into the lower esophageal sac. The magnetic forces created by both magnets results in approximation of the esophageal sacs. Pressure-induced necrosis establishes a passageway between the esophageal sacs. A stent or stent-graft can be deployed within the established passageway to prevent re-synopsis of the esophagus.

A medical system for approximating the esophageal sacs in an infant afflicted with esophageal atresia. The medical device includes an esophageal catheter and a gastric catheter. The distal end of the esophageal catheter, which includes a magnetic tip, is passed through the esophagus to the upper esophageal sac. The distal end of the gastric catheter, which also includes a magnetic tip, is passed through a gastrostomy and into the lower esophageal sac. The magnetic forces created by both magnets results in approximation of the esophageal sacs. Pressure-induced necrosis establishes a passageway between the esophageal sacs. A stent or stent-graft can be deployed within the established passageway to prevent re-stenosis of the esophagus.

A percutaneous endoscopic gastrostomy catheter including a top portion having a conical shape, wherein the conical top portion is hollow and has an opening formed at the top end thereof. The opening has such size that an engaging head formed at a top end of a guide wire passes there through. The inside of the conical hollow top portion is larger than the opening in diameter, and the hollow conical top portion is provided with an engaging piece on the inside thereof, the engaging piece allowing the head of the guide wire, which is inserted through the opening, to pass therethrough and preventing the head from being pulled out.

Disclosed is an infection preventive catheter kit for preventing the infection of the wound. A percutaneous endoscopic gastrostomy (PEG) catheter 20 is inserted into an infection preventive cover 10, which is provided with a socket 13 at a distal end thereof. A head portion 15a of a guide wire 15 which is inserted into the PEG catheter 20 through a top end thereof and an in-stomach remaining member 23 provided at a distal end of the PEG catheter 20 are engaged with (fixed to) the socket 13 of the infection preventive cover 10 by a pin 14 penetrating the socket 13.

A surgical tool is disclosed. The tool is found useful in performing percutaneous endoscopic gastrostomy and other surgical procedures requiring formation of a stoma into a body lumen. Such a tool would contain a first and second cannulae concentrically nested within one another and secured together at a distal end. An actuator is provided for selectively engaging and disengaging a retention mechanism located on that portion of the tool positioned within the body lumen. A locking mechanism is also provided to be used in conjunction with the retention mechanism for securing the cannulae to one another enabling the cannulae to be severed, and the actuator to be disposed, until the locking mechanism is disengaged upon formation and healing of an artificial stoma.

An anticontamination cover prevents the biotic contamination of a gastrostomy catheter when the gastrostomy catheter is inserted through the mouth into the stomach for percutaneous, endoscopic gastrostomy. The anticontamination cover includes an elongate covering tube having a closed distal end and an open base end, and a loop attached to and projecting from the outside surface of the distal end of the covering tube. An opening is formed in a part of the distal end of the covering tube opposite a part of the distal end to which the loop is attached. A loop of the gastrostomy catheter inserted in the covering tube is passed through the opening of the distal end of the covering tube.

A medical catheter assembly including a safety Y-port adaptor. In one embodiment, the medical catheter assembly is a percutaneous endoscopic gastrostomy (PEG) assembly and includes a PEG tube, the PEG tube having a proximal end, a distal end and a longitudinal conduit. An internal bolster is disposed at the distal end of the PEG tube. The safety Y-port adaptor includes a tubular first arm, a tubular second arm and a tubular third arm, each of the second and third arms being in fluid communication with the first arm. The first arm is coupled to the proximal end of the PEG tube and is fluid communication therewith. A first anti-reflux valve is disposed within the second arm, and a second anti-reflux valve is disposed within the third arm. The anti-reflux valves may be positioned within their respective arms so that each may be biased open by the insertion of a dispensing tip into the arm.

A medical catheter assembly including a removable inner sleeve. In one embodiment, the assembly is a low profile percutaneous endoscopic gastrostomy (PEG) device and comprises a body, a clamp, a feeding tube, a cap and an inner sleeve assembly. The body includes a base portion and a sleeve portion, the base portion being dimensioned to engage the skin of a patient and having a transverse bore, the sleeve portion extending upwardly from the base portion and having a longitudinal slot aligned with the transverse bore and a transverse slot intersecting the longitudinal bore. The clamp, which is slidably mounted on the base portion and across the transverse slot of the sleeve, comprises a plate having a transverse opening. The transverse opening has a wide region and a narrow region, the two regions being alternately alignable with the longitudinal bore to open and to close, respectively, the feeding tube. The feeding tube has a distal end adapted to be anchored to the inside of a patient and a proximal end inserted up through the base portion and the sleeve portion, including the transverse opening of the clamp situated within the sleeve, and then inverted over the top edge of the sleeve. The cap is then mounted on top of the sleeve so as to secure the inverted end of the catheter to the exterior of the sleeve. The cap is provided with an opening through which access to the catheter may be gained. An inner sleeve, sized to engage the inside surface of the feeding tube, is removably inserted through the cap and the feeding tube, the inner sleeve having a proximal end to which a tubular fitting is secured. Food and / or medications are dispensed to the patient through the fitting and the inner sleeve and, in this manner, prevent clogging of the feeding tube.

A PEG catheter is prevented from being infected. An infection preventive cover includes an elongated sheath having one opening end. The opening end is embroidered with a ligature at its circumferential section. A guide wired which is inserted through an abdominal wall into a stomach and which is then drawn out of an oral cavity is linked with a joint wire of a PEG catheter. Thereafter, the PEG catheter is covered with the infection preventive cover. The opening end of the sheath is tied up by the ligature. By pulling the guide wire on the abdomen wall side, the PEG catheter covered with the cover is delivered into the stomach. By pulling a cutting wire exposed through the abdomen wall, the ligature is cut off and the opening end of the cover is opened. Further in order to make it easy to close tightly and to loose an opening end, another infection preventive cover is provided. A closing thread which is embroidered along a circumferential edge of the opening end of a sheath is apart from the embroidered portion and loosely passes through a tightening tube to be led outside from an outer end of the tube. when a portion of the thread which is led outside the tube is pulled out, the opening end of the sheath is closed by the closing thread. The thread is kept in its tightened state. When the tightened thread is loosened, the opening end of the sheath is naturally opened or becomes openable state.

An instrument for confirming the position of an indwelling gastrostomy catheter, and a method of confirming the indwelling position thereof, with which it is possible to reduce cleaning costs, and which does not cause any discomfort to a patient. An instrument for confirming the indwelling position of a gastrostomy catheter which is indwelling in a hole formed between the surface of the skin of the patient and the inner surface of the stomach wall comprising a fiberscope and a protective cover. Furthermore, the tip end of the protective cover comprises a light-transmissive window part and a wire that is linked to the outer periphery at the tip end of the protective cover.

A bending instrument for an endoscope which is used when a fibrescope is inserted into a gastrostomy catheter. The bending instrument comprises a sheath which covers a fibrescope shaft of the fiberscope, and a bending member which allows the fibrescope shaft to bend together with the sheath. A light-transmissive window part is formed at the tip end of the sheath. Furthermore, the bending member comprises a fixed part which is attached to the tip end outer periphery of the sheath, a sliding part which is slidably attached further to the base end side of the sheath than the fixed part and which engages with a cylindrical engagement part of the gastrostomy catheter so as not to be able to go past an intra-stomach fixed part, and a linear linking part which links the fixed part and the sliding part.

It is intended to provide a sheath (1) for gastrostoma which comprises sheath body (11), into which a catheter (2) for gastrostoma is inserted, and a handle (12) and which is to be preliminarily inserted into a fistula in the case of inserting the catheter to the fistula and placing it in the body to thereby reduce the resistance against the insertion of the catheter for gastrostoma; a dilator provided with a sheath; a catheter kit for gastrostoma; and a method of dividing a sheath for gastrostoma. Use of the sheath for gastrostoma as described above makes it possible to reduce the insertion resistance in the case of placing a button type catheter for gastrostoma in gastrostomy or at the exchange of the catheter for gastrostoma. Moreover, it facilitates the air-supply control of an endoscope so that the endoscopic visual field can be stabilized in the course of operation.

An instrument for confirming the position of an indwelling gastrostomy catheter, and a method of confirming the indwelling position thereof, with which it is possible to reduce cleaning costs, and which does not cause any discomfort to a patient. An instrument for confirming the indwelling position of a gastrostomy catheter which is indwelling in a hole formed between the surface of the skin of the patient and the inner surface of the stomach wall comprising a fiberscope and a protective cover. Furthermore, the tip end of the protective cover comprises a light-transmissive window part and a wire that is linked to the outer periphery at the tip end of the protective cover.

A configurable percutaneous endoscopic gastrostomy tube includes a shaft having a distal end and a proximal end. The shaft defines a lumen therethrough for passage of a feeding solution or medicine. An expandable retainer is located on the shaft, the retainer having a deployed position and an insertion position. The tube includes a releasable lock for maintaining the expandable retainer in its deployed position, the releasable lock located on the shaft proximal to the expandable retainer. A flexible sheath surrounds the expandable retainer, the sheath being generally loose around the retainer when the retainer is in an insertion position and the sheath being generally snug against an exterior surface of the retainer when the retainer is in a deployed position.

A gastrostomy catheter introducing device includes a puncturing device 1 including a body 6 having a tube 4 and a flange 5, and a puncturing needle 7 axially slidably held in the tube 4 of the body 5; and a gastric wall fixating and fistula expanding device 2 including an outer tube 9 to be inserted into the tube 4 of the puncturing device 1, a gastrostomy catheter guide member 10 held inside the outer tube 9, a clip 11 swingably attached to an inner end part of the gastrostomy catheter guide member 10, and a clip turning member 12 having one end connected to the clip 11 to turn the clip 11.

A gastrostomy catheter introducing device includes a puncturing device 1 including a body 6 having a tube 4 and a flange 5, and a puncturing needle 7 axially slidably held in the tube 4 of the body 6; and a gastric wall fixating and fistula expanding device 2 including an outer tube 9 to be inserted into the tube 4 of the puncturing device 1, a gastrostomy catheter guide member 10 held inside the outer tube 9, a clip 11 swingably attached to an inner end part of the gastrostomy catheter guide member 10, and a clip turning member 12 having one end connected to the clip 11 to turn the clip 11.

A removable anti-granuloma covering made from an anti-granuloma composition including at least one anti-granuloma agent, wherein the removable anti-granuloma covering is adapted to outfit a medical device for insertion in an artificial opening in a body of a being and wherein the removable covering is adapted to contact an area on a skin surface adjacent to the artificial opening. In certain embodiments, the removable anti-granuloma covering is in a shape of a sleeve, a disk, a sheet, or a layer.

A bending instrument for an endoscope which is used when a fiberscope is inserted into a gastrostomy catheter. The bending instrument comprises a sheath which covers a fiberscope shaft of the fiberscope, and a bending member which allows the fiberscope shaft to bend together with the sheath. A light-transmissive window part is formed at the tip end of the sheath. Furthermore, the bending member comprises a fixed part which is attached to the tip end outer periphery of the sheath, a sliding part which is slidably attached further to the base end side of the sheath than the fixed part and which engages with a cylindrical engagement part of the gastrostomy catheter so as not to be able to go past an intra-stomach fixed part, and a linear linking part which links the fixed part and the sliding part.

An infection-preventing gastrostomy catheter kit to be used in the gastrostomy, which can pass an intragastric retainer of a catheter easily and reliably through an infection-preventing sheath by an easy maneuver, and which can reduce the diameter of the infection-preventing sheath.The catheter kit comprises: a gastrostomy catheter 20 including a flexible, hollow PEG tube 21 reinforced with filaments 24, an deformable intragastric retainer 23 positioned at the trailing end of the PEG tube 21, and a tapered member 22 positioned at the leading end of the PEG tube 21 for retaining the leading end portion 40a of a guide wire 40 inserted from a leading end hole 22a thereof; and an infection-preventing sheath 1 including a flexible, hollow tubular body 2, and a socket member having a socket 4 positioned at the trailing end of the tubular body 2 for retaining the intragastric retainer 23, and pins 5, thereby removably sheathing the gastrostomy catheter 20. The gastrostomy catheter 20 may be provided with a housing sheath 60 for deforming and housing the intragastric retainer 23.

A device for preventing excessive insertion of a rod-like member when the rod-like member is inserted into a gastrostomy catheter, and to a medical instrument provided with the same. The device comprises a reference position establishment part which can be installed at a base end opening side of the gastrostomy catheter, a mobile part which can be fixed to the endoscope, and a linking part. The linking part can change the gap between the reference position establishment part and the mobile part within a range no greater than a set length, and links the reference position establishment part and the mobile part. Furthermore, a bending instrument for bending the tip end of the endoscope when said tip end portion projects a prescribed length outwards from a through-hole of a stomach-internal fixed part is fitted to the tip end of the endoscope.

A device that is inserted through the abdominal wall and into the digestive tract of a human is disclosed. The device may be placed through a method such as percutaneous endoscopic gastrostomy (PEG). The device includes a gastrostomy style structure that provides fluid communication with the external environment of the patient with the internal contents of the stomach. The device is produced with a series of slotted collection channels that preferentially, when connected to a source of negative relative pressure, directs a significant volume of the high calorie fluidic components of the chyme out of the digestive tract, preventing exposure to the absorptive tissues of the digestive tract when simple sugars and carbohydrates are consumed.

[Problem] To provide: a semi-solidified nutrient having good shape retention even when pushed out of a syringe, etc., having little adhesion to the tube, and having little resistance when pressed out of the tube; and a preparation method therefor. [Solution] A semi-solidified nutrient for gastrostomy, including: a nutrient; an agar having a jelly strength of no more than 10 kPa; an agar having a jelly strength of at least 30 kPa; and a processed starch. The content of the agar having a jelly strength of no more than 10 kPa is 0.1-1 mass% relative to the total amount of the semi-solidified nutrient for gastrostomy; the content of the agar having a jelly strength of at least 30 kPa is 0.01-0.2 mass% relative to the total amount of the semi-solidified nutrient for gastrostomy; and the processed starch content is 0.5-3 mass% relative to the total amount of the semi-solidified nutrient for gastrostomy.

An anticontamination cover prevents the biotic contamination of a gastrostomy catheter when the gastrostomy catheter is inserted through the mouth into the stomach for percutaneous, endoscopic gastrostomy. The anticontamination cover includes an elongate covering tube having a closed distal end and an open base end, and a loop attached to and projecting from the outside surface of the distal end of the covering tube. An opening is formed in a part of the distal end of the covering tube opposite a part of the distal end to which the loop is attached. A loop of the gastrostomy catheter inserted in the covering tube is passed through the opening of the distal end of the covering tube.

The invention provides a gastrostomy catheter cleaning kit, and belongs to the technical field of medical supplies. The gastrostomy catheter cleaning kit comprises an ostomy tube and a cleaning device, wherein the lower end of the ostomy tube is provided with a sleeve, the sleeve is arranged around the circumferential direction of the ostomy tube; the tube wall of the ostomy tube is internally provided with an inflation pipeline, one end of the inflation pipeline is communicated with the sleeve, the other end of the inflation pipeline is communicated with the upper end of the ostomy tube and is connected with a vent tube, and the vent tube is provided with a gas valve; the cleaning device comprises a syringe, the syringe comprises a syringe cylinder and a piston core rod, the syringe cylinder is slidably provided with the piston core rod, one end of the syringe cylinder is provided with a small hole, the small hole is connected with a syringe needle, one end of the syringe needle directly faces the small hole and is communicated with the small hole, and the other end of the syringe needle is located at the outer side of the syringe cylinder and is closed; the side face of the syringe needle is provided with a plurality of openings, and the openings are uniformly and staggeredly formed around the circumference of the syringe needle. The gastrostomy catheter cleaning kit can achieve cleaning of the ostomy tube, and does not clog the ostomy tube easily.

An absorbent stoma pad for encapsulating an external bolster of a feeding tube is provided. The stoma pad includes an upper layer, base layer, absorbent material, and cavity. The upper layer, which includes an upper surface and a lower surface, contains a centrally located opening with respect to a periphery of the upper layer, wherein the opening is configured to receive a tube portion of the feeding tube. The base layer, which includes an upper surface and a lower surface, contains a centrally located opening with respect to a periphery of the base layer, wherein the opening is also configured to receive the tube portion of the feeding tube. Meanwhile, the absorbent material is disposed adjacent the upper layer's lower surface. Further, the cavity permits airflow between the absorbent layer and the base layer when the external bolster is encapsulated by the stoma pad and positioned within the cavity.

Disclosed is a system and method for the placement of elongate medical members within a patients body using coaptive ultrasound. In a particularly preferred embodiment, a flexible tube includes a first balloon at a distal end of the tube, and a second balloon at the distal end of the tube and positioned within the first balloon. The first and second balloons are inflatable to form one or more echogenic windows between them, which echogenic window may be detected from within a patient's body by an ultrasound probe that is external to the patient's body. Detection of such echogenic window is used to identify an acceptable location on the patient's body at which to insert a guidewire configured to receive an elongate medical member without damage to surrounding patient tissues or organs.