# US 2014/0156024 A1 · Artificial stomach > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0156024 A1 - Document ID: US20140156024A1 - Status: Published application - Kind: A1 - Application number: 14/074,963 - Filed: 2013-11-08 - Published: 2014-06-05 - Earliest claimed: 2008-10-10 - Assignees: Milux Holding SA - Applicants: Milux Holding SA - Inventors: Peter FORSELL - Web page: https://patentgrep.com/patent/US20140156024A1 ## CPC - A61F 2/04: Hollow or tubular parts of organs, e.g. bladders, tracheae, bronchi or bile ducts (A61F2/18, A61F2/20 take precedence; instruments specially adapted for placement or removal of stents or stent-grafts A61F2/95) - A61B 5/02055: {Simultaneously evaluating both cardiovascular condition and temperature} - A61B 5/076: {Permanent implantation} - A61B 5/1107: {Measuring contraction of parts of the body, e.g. organ or muscle} - A61F 5/0013: {Implantable devices or invasive measures} - A61F 2002/045: {Stomach, intestines} - A61F 2220/0033: made by longitudinally pushing a protrusion into a complementary-shaped recess, e.g. held by friction fit - A61F 2250/0001: Means for transferring electromagnetic energy to implants - A61F 2250/0004: adjustable - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract An artificial stomach for replacing the normal stomach of a patient includes a food reservoir adapted to collect food, an inlet connected to a first opening of the food reservoir and further being adapted to upstream connect to the patient's gastrointestinal tract, and an outlet connected to a second opening of the food reservoir and further being adapted to downstream connect to the patient's gastrointestinal tract. ## Claims ### Claim 1 A method for surgically placing an artificial stomach in a patient, the method comprising the steps of: cutting an opening in the abdominal wall of the patient, dissecting the area around the stomach, placing an artificial stomach in the dissected area in the abdomen, comprising: a food reservoir adapted to collect food, an inlet connected to a first opening of the food reservoir and further being adapted to upstream connect to the patient's gastrointestinal tract, and an outlet connected to a second opening of the food reservoir and further being adapted to downstream connect to the patient's gastrointestinal tract, an inlet valve connected between the patient's gastrointestinal tract and the first opening of the food reservoir, connecting the inlet with the inlet valve and the first opening of the food reservoir upstream to the patient's gastrointestinal tract, and connecting the outlet with the second opening of the food reservoir downstream to the patient's gastrointestinal tract. ### Claim 2 (depends on 1) The method for placing an artificial stomach according to claim 1, further comprising a surgical method via a laparoscopic abdominal approach, wherein the step of cutting the skin further comprise the method steps of: inserting a needle like tube into the abdomen of the patient's body, using the tube to fill the abdomen with gas thereby expanding the abdominal cavity, placing at least two laparoscopic trocars in the patient's body, inserting a camera through one of the trocars into the abdomen, wherein the step of dissecting the area around the stomach further comprise the method steps of: inserting at least one dissecting tool through a trocar and dissecting at least one abdominal area of the patient, and wherein the step of connecting to the inlet and outlet further comprising the method steps of: connecting the inlet and outlet of the artificial stomach to the oesophagus, intestine, or stomach and intestine. ### Claim 3 (depends on 1) The method for placing an artificial stomach according to claim 1, wherein the step of connecting to the inlet and outlet further comprises the method steps of: connecting the inlet to the oesophagus or intestine, and connecting the outlet to the intestine. ### Claim 4 (depends on 1) The method according to claim 1, further comprising the step of: implanting a source of energy in the patient, adapted to be charged non-invasively with wireless energy, and adapted to be controlled to release energy for use in connection with the operation of the artificial stomach. ### Claim 5 (depends on 2) The method according to claim 2, further comprising the step of: implanting a source of energy in the patient, adapted to be charged non-invasively with wireless energy, and adapted to be controlled to release energy for use in connection with the operation of the artificial stomach. ### Claim 6 (depends on 1) The method for placing an artificial stomach according to claim 1, further comprising the steps of: implanting a source of energy in the patient, providing an external source of energy, controlling the external source of energy to release wireless energy, charging non-invasively the implanted source of energy with the wireless energy, controlling the implanted source of energy from outside the patient's body or by an internal control unit, and releasing energy for use in connection with the operation of the artificial stomach. ### Claim 7 (depends on 2) The method for placing an artificial stomach according to claim 2, further comprising the steps of: implanting a source of energy in the patient, providing an external source of energy, controlling the external source of energy to release wireless energy, charging non-invasively the implanted source of energy with the wireless energy, controlling the implanted source of energy from outside the patient's body or by an internal control unit, and releasing energy for use in connection with the operation of the artificial stomach. ### Claim 8 (depends on 1) The method for placing an artificial stomach according to claim 1, for postoperatively and non-invasively regulating the artificial stomach comprising the steps of; moving food slowly out from the food reservoir into the intestine, step by step in small portions, being a procedure powered by an energy source, the method further comprising repeating the procedure according to a pre-programmed time-schedule, and/or repeating the procedure at least partly controlled by an internal control unit, and getting input to the internal control unit from a sensor sensing any physical parameter of the patient or any functional parameter of the device, and controlling the procedure by the internal control unit based on said parameter. ### Claim 9 (depends on 1) The method according to claim 1, further comprising using a servo reservoir to regulate the size of the food reservoir, the method further comprising the steps of; filling the servo reservoir with fluid step by step in small steps, thereby emptying the food reservoir in small steps, thereby allowing to receive food in a intestine in small subsequent portions. ### Claim 10 (depends on 1) The method according to claim 1, further comprising using a food handling system, wherein the method further comprising at least one of the following steps: handling the food mechanically, handling the food chemically, moving the food around in the food reservoir. cutting the food like in an mixer incorporated in the food reservoir, handling the food includes mechanically squeezing the food in the food reservoir, treating the food with chemicals released in the food reservoir, treating the food with an anti-bacterial system, treating the food with chemicals comprising an acid released in the food reservoir, treating with antibacterial treatment into the food reservoir, releasing a liquid into the food reservoir comprised at least one special container, injecting antibacterial treatment in at least one injection port, injecting acid in at least one injection port, injecting cleaning fluid in at least one injection port, injecting fluid visible on x-ray, cutting the food by rotating knifes. ### Claim 11 (depends on 2) The method according to claim 2, further comprising using a food handling system, wherein the method further comprising at least one of the following steps: handling the food mechanically, handling the food chemically, moving the food around in the food reservoir. cutting the food like in an mixer incorporated in the food reservoir, handling the food includes mechanically squeezing the food in the food reservoir, treating the food with chemicals released in the food reservoir, treating the food with an anti-bacterial system, treating the food with chemicals comprising an acid released in the food reservoir, treating with antibacterial treatment into the food reservoir, releasing a liquid into the food reservoir comprised at least one special container, injecting antibacterial treatment in at least one injection port, injecting acid in at least one injection port, injecting cleaning fluid in at least one injection port, injecting fluid visible on x-ray, cutting the food by rotating knifes. ### Claim 12 (depends on 1) The method according to claim 1, further comprising directly using electrical energy in connection with the operation of the artificial stomach, as a energy transforming device transforms the wireless energy into the electrical energy. ### Claim 13 (depends on 1) The method according to claim 1, further comprising programming the device from outside the patient's body. ### Claim 14 (depends on 1) The method according to claim 1, further comprising the steps of sensing a physical parameter of the patient or a functional parameter of the device, and sending sensing information to an internal control unit adapted for controlling said artificial stomach, or sending sensing information to a control unit adapted for regulating a wireless charging of an internal source of energy. ### Claim 15 (depends on 1) The method according to claim 1, further comprising implanting an apparatus comprising: at least one connector, adapted to be connected to the oesophagus or the intestine of a patient, the connector comprising a conduit fixedly attached at a first, proximal end on the outside the artificial stomach and in fluid connection to the food passageway, where the proximal part of the conduit is formed like a tube, and distal to the tube a bulge is formed, and a blocking ring to each connector arranged to be pushed against the bulge, the ring having an inner diameter less than the outer diameter of said bulge but large enough to allow the intestinal/oesophageal wall to be placed between said ring and said tube, thereby adapted to stop said intestinal/oesophageal wall from slipping away from the tube, the method further comprising the steps of: connecting the at least one connector using the blocking ring for each connector, to the intestine, esophagus or esophagus and intestine. ### Claim 16 A method for surgically placing an artificial stomach in a patient, the method comprising the steps of: cutting an opening in the abdominal wall of the patient, dissecting the area around the stomach, placing an artificial stomach in the dissected area in the abdomen, comprising: a food reservoir adapted to collect food, an inlet connected to a first opening of the food reservoir and further being adapted to upstream connect to the patient's gastrointestinal tract, an outlet connected to a second opening of the food reservoir and further being adapted to downstream connect to the patient's gastrointestinal tract, and a servo reservoir for regulating the size of the food reservoir, wherein an outer wall encloses both the food reservoir and the servo reservoir, the food reservoir and the servo reservoir being separated by a flexible inner wall, and wherein both a wall of the food reservoir and a wall of the servo reservoir comprise parts of the outer wall and the flexible inner wall. connecting the inlet and the first opening of the food reservoir upstream to the patient's gastrointestinal tract, and connecting the outlet with the second opening of the food reservoir downstream to the patient's gastrointestinal tract. ### Claim 17 (depends on 16) The method for placing an artificial stomach according to claim 16, comprising a surgical method via a laparoscopic abdominal approach, wherein the step of cutting the skin further comprises the method steps of: inserting a needle like tube into the abdomen of the patient's body, using the tube to fill the abdomen with gas thereby expanding the abdominal cavity, placing at least two laparoscopic trocars in the patient's body, inserting a camera through one of the trocars into the abdomen, wherein the step of dissecting the area around the stomach further comprise the method steps of: inserting at least one dissecting tool through a trocar and dissecting at least one abdominal area of the patient, and wherein the step of connecting to the inlet and outlet further comprising the method steps of: connecting the inlet and outlet of the artificial stomach to the oesophagus and/or intestine. ### Claim 18 (depends on 16) The method for placing an artificial stomach according to claim 16, wherein the step of connecting to the inlet and outlet further comprises the method steps of: connecting the inlet to the oesophagus or intestine, and connecting the outlet to the intestine. ### Claim 19 (depends on 16) The method according to claim 16, further comprising the step of: implanting a source of energy in the patient, adapted to be charged non-invasively with wireless energy, and adapted to be controlled from outside the patient's body to release energy for use in connection with the operation of the artificial stomach. ### Claim 20 (depends on 16) The method according to claim 16, programming the device from outside the patient's body. ### Claim 21 (depends on 16) The method according to claim 16, further comprising the steps of sensing a physical parameter of the patient or a functional parameter of the device, and sending sensing information to an internal control unit adapted for controlling said artificial stomach, or sending sensing information to a control unit adapted for regulating a wireless charging of an internal source of energy. ### Claim 22 (depends on 16) The method according to claim 16, further comprising a food handling system, wherein the method further comprises at least one of the following steps: handling the food mechanically, handling the food chemically, moving the food around in the food reservoir, cutting the food like in an mixer incorporated in the food reservoir, handling the food includes mechanically squeezing the food in the food reservoir, treating the food with chemicals released in the food reservoir, treating the food with an anti-bacterial system, treating the food with chemicals comprising an acid released in the food reservoir, treating with antibacterial treatment into the food reservoir, releasing a liquid into the food reservoir comprised at least one special container, injecting antibacterial treatment in at least one injection port, injecting acid in at least one injection port, injecting cleaning fluid in at least one injection port, injecting fluid visible on x-ray, cutting the food by rotating knifes. ### Claim 23 (depends on 16) The method for placing an artificial stomach according to claim 16, for postoperatively and non-invasively regulating the artificial stomach comprising the steps of; moving food slowly out from the food reservoir into the intestine step-by step in small portions, being a procedure powered by an energy source, repeating the procedure according to a pre-programmed time-schedule or repeating and at least partly controlled by an internal control unit, and getting input to the internal control unit from a sensor sensing any physical parameter of the patient or any functional parameter of the device, and controlling the procedure by the internal control unit based on said parameter. ### Claim 24 (depends on 16) The method according to claim 16, further comprising a hydraulic fluid reservoir adapted to supply fluid to the servo reservoir, the method comprising the steps of: moving fluid from the hydraulic fluid reservoir to the servo reservoir in small steps, and moving of fluid from the servo reservoir to the hydraulic fluid reservoir by the food entering the food reservoir presses on the flexible wall of the servo reservoir thus emptying fluid from the servo reservoir to the hydraulic fluid, or moving of fluid from the servo reservoir to the hydraulic fluid reservoir when a food sensor sends signals to a pump when food is entering the food reservoir, the pump thus pumping out fluid from the servo reservoir to the hydraulic fluid reservoir corresponding to the amount of food. ### Claim 25 (depends on 16) The method according to claim 16, further comprising using an apparatus comprising: at least one connector, adapted to be connected to the oesophagus or the intestine of a patient, the connector comprising a conduit fixedly attached at a first, proximal end on the outside the artificial stomach and in fluid connection to the food passageway, where the proximal part of the conduit is formed like a tube, and distal to the tube a bulge is formed, and a blocking ring to each connector arranged to be pushed against the bulge, the ring having an inner diameter less than the outer diameter of said bulge but large enough to allow the intestinal/oesophageal wall to be placed between said ring and said tube, thereby adapted to stop said intestinal/oesophageal wall from slipping away from the tube, the method further comprising the steps of: connecting the at least one connector using the blocking ring for each connector, to the intestine, esophagus or esophagus and intestine.