CN101843536B - Duodenal sleeve and conveyor thereof - Google Patents
Duodenal sleeve and conveyor thereof Download PDFInfo
- Publication number
- CN101843536B CN101843536B CN2010101442839A CN201010144283A CN101843536B CN 101843536 B CN101843536 B CN 101843536B CN 2010101442839 A CN2010101442839 A CN 2010101442839A CN 201010144283 A CN201010144283 A CN 201010144283A CN 101843536 B CN101843536 B CN 101843536B
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- China
- Prior art keywords
- duodenal
- metallic framework
- sleeve
- metal framework
- trocar sheath
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000002183 duodenal effect Effects 0.000 title claims abstract description 99
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229920003023 plastic Polymers 0.000 claims abstract description 16
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 210000001198 duodenum Anatomy 0.000 abstract description 18
- 210000002784 stomach Anatomy 0.000 abstract description 18
- 208000008589 Obesity Diseases 0.000 abstract description 5
- 206010012601 diabetes mellitus Diseases 0.000 abstract description 5
- 210000001187 pylorus Anatomy 0.000 abstract description 3
- 230000002496 gastric effect Effects 0.000 abstract description 2
- 230000000968 intestinal effect Effects 0.000 description 9
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000001174 ascending effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 210000001630 jejunum Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000004060 metabolic process Effects 0.000 description 3
- 235000020824 obesity Nutrition 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229940127003 anti-diabetic drug Drugs 0.000 description 2
- 239000003472 antidiabetic agent Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 230000000916 dilatatory effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 229910001285 shape-memory alloy Inorganic materials 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 208000008035 Back Pain Diseases 0.000 description 1
- 206010013082 Discomfort Diseases 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 206010047700 Vomiting Diseases 0.000 description 1
- 210000000683 abdominal cavity Anatomy 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 238000007681 bariatric surgery Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 235000021590 normal diet Nutrition 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 208000001072 type 2 diabetes mellitus Diseases 0.000 description 1
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- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention provides a duodenal sleeve which is composed of a metal framework and an outer sleeve coated outside the metal framework. The metal framework is of a spiral ring structure and divided into a duodenal spherical cavity section for the metal framework and a duodenal spherical rear section for the metal framework; the spiral ring of the duodenal spherical cavity section for the metal framework is bigger and denser than that of the duodenal spherical rear section for the metal framework; the spiral ring structure of the duodenal spherical cavity section for the metal framework is in a bowl or funnel shape; the top and the bottom of the metal framework are equipped with circular or oval annular closed opening; and the outer sleeve is coated outside the metal framework and the lower end thereof is longer than the bottom end of the metal framework. The invention further provides a conveyor for the duodenal sleeve, comprising a plastic hose, wherein, longitudinal cracks are arranged on the wall of the plastic hose from the head end to the tail end thereof. The duodenal sleeve is used for transporting stomach effluents from a stomach pylorus, replaces gastric bypass operation, avoids that the stomach effluents are directly digested, absorbed and metabolized in duodenum, and treats adiposis and diabetes.
Description
Technical field
The present invention relates to a kind of stomach jejunum turn of tidal stream with duodenal sleeve and dedicated transport device thereof, be used for implantation sleeve pipe under the scope, the turn of tidal stream gastric content strides across duodenum and directly gets into jejunum, realizes obesity and treatment of diabetes, belongs to technical field of medical instruments.
Background technology
Adiposis patient is often with diabetes, and the operation of stomach turn of tidal stream has been proved to be the result of obese patient's type 2 diabetes mellitus state of an illness improvement after surgery under the bariatric surgery peritoneoscope.Though should belong to Wicresoft, simple and efficient, operating time is short, recovers fast.Patient's postoperative is generally no longer taken antidiabetic drug can the normal blood sugar level of long term maintenance.Compare with long-term clothes antidiabetic drug treatment, relative costs is not high, has greatly alleviated patient economy burden, has reduced national burden on society yet.Yet operation also has many complication, and many patients also fear operation.Therefore, implant duodenal sleeve, be used for turn of tidal stream and come from gastropyloric stomach effluent, substitute stomach turn of tidal stream operation under the abdominal cavity, avoid the stomach effluent directly to digest and assimilate and metabolism, be used for treatment of obesity and diabetes at duodenum to jejunum.Though having been arranged, few countries such as the U.S., Brazil carried out some zooperies and clinical research; Also proved the curative effect that it is clear and definite, still, also there are many complication simultaneously in the product that it designed; As fixing insecure, the fixing institute of duodenum knows that discomforts such as the pain that causes, nausea and vomiting are obvious.Therefore it is extremely important with sleeve pipe to develop and design novel duodenum turn of tidal stream.
Summary of the invention
The objective of the invention is:
A kind of duodenal sleeve is provided, and the dedicated transport device of this duodenal sleeve.Duodenal sleeve of the present invention reaches the effect that the stomach turn of tidal stream is performed the operation through the auxiliary duodenum that is transported to of scope and dedicated transport device of the present invention through noninvasive means, avoids the stomach effluent directly to digest and assimilate and metabolism at duodenum.
The object of the invention can be realized through following measure:
A kind of duodenal sleeve, said duodenal sleeve is made up of the metallic framework trocar sheath outer with being coated on metallic framework.
Said metallic framework is the helical ring structure; Metallic framework is divided into metallic framework duodenal bulb chamber section and metallic framework duodenal bulb back segment; The helical ring of metallic framework duodenal bulb chamber section is big and intensive than the helical ring of metallic framework duodenal bulb back segment, and the helical ring structure of metallic framework duodenal bulb chamber section is bowl-type or infundibulate.
The multifibres that said metallic framework adopts tinsel monofilament or at least two one metal wires to be wound in is processed.
The top of said metallic framework and bottom are provided with circle or oval annular closed opening, and the multifibres that the ring-type closing in adopts tinsel monofilament or at least two one metal wires to be wound in is processed.
Said trocar sheath is coated on outside the metallic framework and the metallic framework bottom is longer than in its lower end, grows part and is the trocar sheath jejunal segment.
Said trocar sheath and metallic framework are through gluing affixed.
The material of said trocar sheath is an elastica.
A kind of carrier of above-mentioned duodenal sleeve comprises plastic flexible pipe, has vertical crack from duodenal sleeve carrier head end to tail end on the tube wall of said plastic flexible pipe.
Beneficial effect of the present invention is:
1, duodenal sleeve of the present invention is used for turn of tidal stream and comes from gastropyloric stomach effluent to jejunum, substitutes the operation of stomach turn of tidal stream, avoids a large amount of stomach effluents directly to digest and assimilate and metabolism at duodenum, effectively treatment of obesity and diabetes.
2, support metal ring in the pipe of the said duodenal bulb of duodenal sleeve of the present invention chamber, ball back segment; Design with the helical ring of different-diameter, dense degree; Support the plastic outer sleeve dilating effect through memorial alloy becket dilating effect; Common auxiliary fixing duodenal sleeve is positioned duodenum for a long time, prevents the tube displacement that is caused because of the duodenum wriggling.The design of each section different length can be satisfied adult, child's etc. individual need.
3, duodenal sleeve carrier of the present invention can preset duodenal sleeve, scope dexterously in carrying organ pipe, and brings the duodenum ideal position together into through scope.The release duodenal sleeve is simple, both tentatively be released to allocation after, need further adjust to ideal position with scope, to reduce complication such as implanting back pain, displacement.But, owing to continuing to be placed in outside the scope, carrier influences operation, and the operator often need remove carrier.The operator can directly utilize vertical crack of carrier of the present invention; When extracting carrier; Can carrier be separated with scope through vertical crack; Thereby realize removing the effect of carrier dexterously, do not need the related carrier of extracting, and then in patient's body, insert scope and proceed operation through extracting scope.Duodenal sleeve carrier processing cost of the present invention is low, because can be through vertical crack to carrying out cleaning and disinfection in managing, this sleeve pipe can also use repeatedly, reduces medical treatment cost.
Description of drawings
Fig. 1 is the structural representation of duodenal sleeve of the present invention.
Fig. 2 is the structural representation of duodenal sleeve carrier of the present invention.
Fig. 3 is stomach and duodenal structural representation.
Among the figure: 1, metallic framework; 2, trocar sheath; 3, metallic framework duodenal bulb chamber section; 4, metallic framework duodenal bulb back segment; 5, trocar sheath jejunal segment; 6, ring-type closes up; 7, plastic flexible pipe; 8, duodenal sleeve carrier head end; 9, duodenal sleeve carrier tail end; 10, vertical crack; 11, stomach; 12, pylorus; 13, duodenal bulb chamber; 14, descendant duodenum; 15, pars horizontalis duodeni; 16, ascending part of duodenum; 17, duodenojejunal flexure.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further:
As shown in Figure 1, the invention provides a kind of duodenal sleeve, said duodenal sleeve is made up of metallic framework 1 and the trocar sheath 2 that is coated on outside the metallic framework 1.Trocar sheath 2 passes through gluing affixed with metallic framework 1.The multifibres that metallic framework 1 adopts tinsel monofilament or at least two one metal wires to be wound in is processed.The tinsel material of metallic framework 1 preferably adopts memorial alloy, is convenient to preset shape, the size after expanding.The material of trocar sheath 2 is an elastica, like latex film.The selection of trocar sheath 2 need satisfy tool elasticity, thin thickness, be easy to receive hold expand, nontoxic, acid-fast alkali-proof, anti-gastric juice and the corrosive condition of duodenum liquid.
Referring to Fig. 1 and stomach and duodenal structural representation Fig. 3.Because of the outer surface of metallic framework 1 is covered by trocar sheath 2, intercepted the infringement of metal parts, and fully be adjacent to the perisporium mucosa DM, the effluent that reduces stomach 11 gets into the gap between sleeve pipe and the intestinal wall.Duodenal sleeve of the present invention is affixed on intestinal wall through the supporting role of metallic framework 1, transmits the wriggling of intestinal wall, promotes flowing of the interior stomach effluent of sleeve pipe.The top of metallic framework 1 terminates in nearly pylorus 12 sides of vater's papilla, does not hinder gallbladder ductus pancreaticus effluent and flows out the entering intestinal tube, and prevent that jejunal content is through the anti-duodenum that flows in gap between sleeve pipe and the intestinal wall.
Metallic framework duodenal bulb chamber section 3 is placed in the duodenal bulb chamber 13, and its helical ring structure is bowl-type or infundibulate, with the shape in applying duodenal bulb chamber 13.According to the duodenal general length of human body: metallic framework duodenal bulb chamber section 3 long 4-8cm.
Trocar sheath 2 is coated on outside the metallic framework 1 and metallic framework 1 bottom is longer than in its lower end, grows part and is trocar sheath jejunal segment 5, and trocar sheath jejunal segment 5 parts do not have metallic framework 1 and support.Trocar sheath jejunal segment 5 is from descendant duodenum 14, horizontal part 15 or 16 beginnings of ascending part, ends to duodenojejunal flexure 17.According to the duodenal general length of human body: trocar sheath jejunal segment 5 long 4-8cm.
The length of above-mentioned each section is reference value, and actual manufacturing can specifically design according to adult, child's etc. individual need.
As shown in Figure 1, the top of metallic framework 1 and bottom are provided with circle or oval annular closed opening 6, and the multifibres that ring-type closing in 6 adopts tinsel monofilament or at least two one metal wires to be wound in is processed.Ring-type closing in 6 makes duodenal sleeve neat in edge of the present invention, is beneficial to conveying, takes out and avoids the injury to intestinal wall.
As shown in Figure 2, the present invention also provides a kind of above-mentioned duodenal sleeve special-purpose carrier, comprises plastic flexible pipe 7, is about 80-100cm.Have vertical crack 10 from head end 8 to tail end 9 on the tube wall of plastic flexible pipe 7.Duodenal sleeve carrier head end 8 must neat in edge, smooth, be designed with certain radian so as to carry and the protection intestinal wall not by scratch.As shown in Figure 2, duodenal sleeve carrier tail end 9 is provided with horn-like plastic port, is convenient to place sleeve pipe and scope etc., and this horn-like plastic port is alternative the setting, also should offer vertical crack 10 with plastic flexible pipe 7 one on the horn-like plastic port.
The operator can be easily through vertical crack 10 with the carrier of packing into such as duodenal sleeve, scope; In the endoscopic technic process; When not needing carrier of the present invention; Then extract carrier, directly utilize its vertical crack 10, carrier is separated with scope; Carrier---need all not extract scope in order to remove carrier, scope can continue to keep somewhere in interior gastroduodenal to be operated in removal.
The carrier of duodenal sleeve is housed, can be placed in outside the scope shank, and insert duodenal lumen in company with scope, at auxiliary held, the taking-up duodenal sleeve of routine control pincers, and through scope adjustment duodenal sleeve position.
A kind of duodenal sleeve is made up of metallic framework 1 and the trocar sheath 2 that is coated on outside the metallic framework 1.
With the memory alloy wire monofilament process the big and intensive helical ring of metallic framework duodenal bulb chamber section 3, lengthwise 5cm is approximate funnel-form, the anatomical structure in coupling duodenal bulb chamber, expansion back 13.The tinsel of metallic framework duodenal bulb chamber section 3 extends continuously and processes the little and sparse helical ring of relative diameter, and this section is a metallic framework duodenal bulb back segment 4, is used to be positioned over descendant duodenum 14, horizontal part 15 and ascending part 16.Metallic framework duodenal bulb back segment 4 lengthwise 10cm.
The top of metallic framework 1 and bottom are provided with circular ring-type and close up 6, and ring-type closing in 6 adopts the memory alloy wire monofilament to process.
The material of trocar sheath 2 is a latex elastica ultra-thin, can long-term antiacid alkali.Trocar sheath 2 is coated on outside the metallic framework 1 and metallic framework 1 bottom 6cm is longer than in its lower end, grows part and is trocar sheath jejunal segment 5, and trocar sheath jejunal segment 5 parts do not have metallic framework 1 and support.Trocar sheath 2 passes through gluing affixed with metallic framework 1.
A kind of carrier of above-mentioned duodenal sleeve comprises transparent plastic hose 7, and the tube wall of plastic flexible pipe 7 has vertical crack 10 from duodenal sleeve carrier head end 8 to tail end 9.Its internal diameter is fit to insert gastroscope commonly used, intestinal mirror, small intestinal mirror shank.The total length of carrier is shorter than about scope shank length 20cm commonly used at least.Separately duodenal sleeve of the present invention can be preset in wherein in vertical crack 10 of carrier.
During endoscope operation, prepare before at first carrying out art to patient.Separately duodenal sleeve of the present invention can be preset in wherein in vertical crack 10 of carrier, all coats lubricant at scope shank and duodenal sleeve carrier outer wall of the present invention commonly used.Duodenal sleeve carrier of the present invention is placed in outside the scope shank, when proceeding to duodenum Treitz ligament with scope, holds scope and sleeve pipe in this, slightly move back scope, and insert handling tongs through the endoscopic technic hole, the assistant vises duodenal sleeve of the present invention.Then, firm scope, endoscopic technic pincers and the duodenal sleeve that vises thereof are slowly extracted duodenal sleeve carrier of the present invention simultaneously, until discharging duodenal sleeve fully in duodenum.The operator can further extract carrier fully, and utilizes its vertical crack 10 and it is separated with shank.
The operator further adjusts duodenal sleeve of the present invention in duodenal position under scope.Recover normal diet behind patient's short time fasting low-diet thing.
The present invention does not relate to all identical with the prior art prior art that maybe can adopt of part and realizes.
Claims (7)
1. duodenal sleeve; It is characterized in that said duodenal sleeve is by metallic framework (1) be coated on the outer trocar sheath (2) of metallic framework (1) and form; Metallic framework (1) is the helical ring structure; Metallic framework (1) is divided into metallic framework duodenal bulb chamber section (3) and metallic framework duodenal bulb back segment (4); The helical ring of metallic framework duodenal bulb chamber section (3) is big and intensive than the helical ring of metallic framework duodenal bulb back segment (4), and the helical ring structure of metallic framework duodenal bulb chamber section (3) is bowl-type or infundibulate.
2. duodenal sleeve according to claim 1 is characterized in that the multifibres that said metallic framework (1) adopts tinsel monofilament or at least two one metal wires to be wound in processes.
3. duodenal sleeve according to claim 1 is characterized in that the top of said metallic framework (1) and bottom are provided with circle or oval annular closed opening (6), and the multifibres that ring-type closing in (6) adopts tinsel monofilament or at least two one metal wires to be wound in is processed.
4. duodenal sleeve according to claim 1 is characterized in that said trocar sheath (2) is coated on outside the metallic framework (1) and metallic framework (1) bottom is longer than in its lower end, grows part and is trocar sheath jejunal segment (5).
5. according to claim 1 or 4 described duodenal sleeves, it is characterized in that said trocar sheath (2) and metallic framework (1) pass through gluing affixed.
6. according to claim 1 or 4 described duodenal sleeves, the material that it is characterized in that said trocar sheath (2) is an elastica.
7. the carrier of the described duodenal sleeve of claim 1 comprises plastic flexible pipe (7), it is characterized in that having vertical crack (10) from duodenal sleeve carrier head end (8) to tail end (9) on the tube wall of said plastic flexible pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101442839A CN101843536B (en) | 2010-04-09 | 2010-04-09 | Duodenal sleeve and conveyor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101442839A CN101843536B (en) | 2010-04-09 | 2010-04-09 | Duodenal sleeve and conveyor thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101843536A CN101843536A (en) | 2010-09-29 |
| CN101843536B true CN101843536B (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101442839A Expired - Fee Related CN101843536B (en) | 2010-04-09 | 2010-04-09 | Duodenal sleeve and conveyor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101843536B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9918862B2 (en) | 2013-03-31 | 2018-03-20 | Ping Wan | Internal covering membrane of duodenum |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166142A (en) * | 2011-04-07 | 2011-08-31 | 北京畅想天行医疗技术有限公司 | Conveyor of duodenum-jejunum embedded casing |
| CN102551938B (en) * | 2012-02-22 | 2014-06-18 | 常州德天医疗器械有限公司 | Instrument for delaying gastric emptying and regulating pancreatic metabolism |
| CN102579104A (en) * | 2012-04-01 | 2012-07-18 | 湖南依微迪医疗器械有限公司 | Exclusion surgery device for duodenum and upper jejunum |
| CN202665589U (en) * | 2012-05-05 | 2013-01-16 | 万平 | Duodenum inner coating membrane made of degradable biological compatible material |
| CN102626330B (en) * | 2012-05-05 | 2014-06-25 | 万平 | Duodenal internal covering membrane made of degradable biocompatible material and application thereof |
| GB2513513B (en) * | 2012-05-05 | 2019-04-17 | Wan Ping | Duodenum endothelium membrane made from degradable biocompatible materials and application thereof |
| CN103479454B (en) * | 2012-06-11 | 2015-03-18 | 左玉星 | Stomach food diverter |
| CN103142338B (en) * | 2013-03-26 | 2014-09-10 | 巴克 | Duodenum casing for treating diabetes implanted under endoscope |
| CN106580514A (en) * | 2015-06-03 | 2017-04-26 | 常州新区佳森医用支架器械有限公司 | Implantation device of duodenum stent |
| CN105596128B (en) * | 2016-01-23 | 2018-09-11 | 万平 | Inner coverage membrane for duodenum |
| CN109152570B (en) * | 2016-01-29 | 2022-09-13 | Gi动力公司 | Gastrointestinal implant delivery systems and methods |
| CN107308534B (en) * | 2017-06-27 | 2021-02-26 | 杭州糖吉医疗科技有限公司 | Stomach divertor and antibiotic pipe of alimentary canal thereof |
| CN107126306B (en) * | 2017-06-27 | 2024-05-14 | 杭州糖吉医疗科技有限公司 | Gastric inducer and stent thereof |
| CN115887086B (en) * | 2023-01-10 | 2023-05-05 | 杭州糖吉医疗科技有限公司 | Gastric inversion stent conveyor capable of controlling steering and method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2155891Y (en) * | 1993-03-16 | 1994-02-16 | 首都医学院宣武医院 | Esophagus support parts for human body |
| US6675809B2 (en) * | 2001-08-27 | 2004-01-13 | Richard S. Stack | Satiation devices and methods |
| EP1708641A1 (en) * | 2003-12-09 | 2006-10-11 | GI Dynamics, Inc. | Intestinal sleeve |
| US20080255678A1 (en) * | 2007-04-13 | 2008-10-16 | Cully Edward H | Medical apparatus and method of making the same |
-
2010
- 2010-04-09 CN CN2010101442839A patent/CN101843536B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9918862B2 (en) | 2013-03-31 | 2018-03-20 | Ping Wan | Internal covering membrane of duodenum |
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| CN101843536A (en) | 2010-09-29 |
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