CN103462739A - Artificial anus device with functions of closure and bowel contracting and application thereof - Google Patents
Artificial anus device with functions of closure and bowel contracting and application thereof Download PDFInfo
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- CN103462739A CN103462739A CN2013104001136A CN201310400113A CN103462739A CN 103462739 A CN103462739 A CN 103462739A CN 2013104001136 A CN2013104001136 A CN 2013104001136A CN 201310400113 A CN201310400113 A CN 201310400113A CN 103462739 A CN103462739 A CN 103462739A
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- artificial anus
- shutoff
- intestinal tube
- anus device
- magnetic bead
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Abstract
The invention relates to an artificial anus device with functions of closure and bowel contracting. The artificial anus device comprises a magnetic ring and a closure plug. The closure plug comprises a metal core part and a shell. The magnetic ring is composed of magnetic beads, and the adjacent magnetic beads are connected through independent H-shaped titanium connecting elements. The magnetization direction of the magnetic beads points to the center of the cycle. The invention further provides the application of the artificial anus device. The artificial anus device has the advantages that bowel pressure is low, force is applied evenly, and possibility of avascular necrosis of the bowel is reduced; failures of the artificial anus device occur rarely, and the implantable manner is simple and minimally invasive; comfort of a patient is high; the artificial anus device is fixed on the abdominal wall through magnetic force instead of adhesive, so that possibility of skin allergy is reduced; the closure plug can be washed and is reusable, so that financial burden of the patient is reduced; the artificial anus device is concealed, and has low influences on work, living and social activities.
Description
[technical field]
The present invention relates to technical field of medical instruments, specifically, is a kind of artificial anus device and application thereof that shutoff and intestinal tube are drawn together approximately effect that have.
[background technology]
The Miles operation is still the goldstandard for the treatment of Low Rectal at present.This operation need be the capable permanent colonic diversion of left lower quadrant, i.e. artificial anus.The patient of the annual permanent colonic diversion increased newly of China just approximately has 100,000 people, adds up at present colostomy patient and has surpassed a million people.Ostomy bag is to use at present the widest utensil, but because its easily leak, skin lesion is large, disguised poor, to the patient, work and life brings very big inconvenience.Although current many researcheres have proposed some modification methods, as increased fixing band, cushioning polymer thin film, increase purging system etc., can improve to a certain extent the shortcomings such as leakage, skin lesion, its maximum problem remains uncontrollable to feces.The controllability ostomy appliance, as the succedaneum of ostomy bag, has been realized the restraining of feces to a certain extent.According to its principle, this technology can be divided into two large classes at present: artificial anal sphincter and make a mouthful bolt.
Within 1989, Christiansen repacks the artificial urethral sphincter into artificial anal sphincter, but this cuff formula artificial anal sphincter design needs manually to control, and the zest of cover capsule material and the easy generation inflammatory reaction of friction repeatedly, cause a series of complication such as burn into infection, pain, wound dehiscence of tissue.The memorial alloy type anal sphincter of Japanese scholars invention is simple in structure, can solve the operation risk brought because changing battery, reduce and infect the possibility occurred, but this device is inhomogeneous to the intestinal tube application of force, easily causes ischemic necrosis and the scald of intestinal tissue.
Except the above-mentioned two kinds artificial anuss with sphincter function, also has the ostomy appliance of a class plugging type.The Bucrcharth of Denmark in 1984 etc. has designed disposable colonic diversion bolt.This product is produced by Mentor Corp., and the embolus of mainly being made by an adhesive substrate and polyurethane material forms.Embolus inserts and makes in mouth, just inflatable in 30s, the sealing enteric cavity.One carbon filter is arranged on embolus, and gas freely excretes via filter and without any abnormal smells from the patient in enteric cavity.But due to each artificial pig's tongue part difference, serious to making mouthful surrounding tissue compressing when embolus is excessive, easily cause the complication such as ischemia, necrosis, infection, when the embolus diameter is too small, easily make a mouthful leakage.Two sacculus rectal suppositories of Hadidi design adopt biocompatibility silica gel material preferably, are applicable to fecal incontinence and colonic diversion.After inflation, large sacculus is blocked in enteric cavity, and the bead capsule is closed in to be made outside mouth.Weak point is that the volume of inflation relies on the patient to feel fully, if grasp the amount of inflation, does not easily produce abdominal distention, and intestinal sepage etc. occasionally have the sacculus generation of breaking.Simultaneously, the complication such as this shutoff class device generation embolus comes off, leakage, enterospasm are quite a few, also have some patients were gas can not be discharged because intestinal contents stops up the aperture on embolus.
The anus stool control mode device that the characteristics design that the Abroad in Recent Years scholar utilizes magnetisable material to attract each other under the action of a magnetic field is novel, because of it, to have a device simple and easy, the advantage such as controllability is good and be applied to gradually clinical.Feustel in 1975 and Hennig make by a kind of magnetic the patient that mouthful stool control mode application of installation is made mouthful in DC.This device is comprised of magnet ring and magnetic lid two parts.The titanium shell processed of magnet ring samarium-cobalt alloy outsourcing 1～2 millimeters thick is made.The magnetic lid is comprised of the vinyl disc that includes samarium-cobalt alloy and central shank.Central shank length and thickness can be made according to the patient practical situation selection different size of mouth.Magnet ring is the dark face of obliquus externus abdominis m. aponeurosis (aponeuroses) that is placed in when abdominal part is made mouthful, then will be good for the incisxal edge of film and sew up mutually with the abdominal muscle of its dark face, makes magnet ring be capped fully and fix it.Distal colon is caused to the abdominal stoma place, by the magnet ring center, pass stomach wall, will make mouthful intestinal tube end incisxal edge when operation finishes and make the skin incisxal edge and make holostrome and directly sew up.During use, the central shank of magnetic lid is inserted and made in mouth, under the action of a magnetic field, magnet ring and Ci Gai attract each other, and magnetic are covered tightly tightly cover to make the oral thermometer face and prevent that intestinal contents from overflowing.Only need take off the magnetic lid during defecation gets final product.This device ultimate principle is to utilize magnetic to carry out shutoff to making mouth, due to intestinal, makes mouth and has lost draw together the approximately effect of sphincter to intestinal tube, only by plugging action, is difficult to play good feces restraining effect.When the enteric cavity internal pressure increases, easily back down the magnetic lid, cause the leakage of intestinal contents.The magnet ring volume is larger simultaneously, and weight is heavier, after the patient implants, foreign body sensation is often arranged, and brings discomfort.
U.S. Torax medical company design magnetic bead artificial anal sphincter is to be formed by artificial esophagus's sphincter transformation for the treatment of gastroesophageal reflux the earliest.This device consists of a string pearl of the titanium with the magnetic core.The material of magnetic core is NdFeB, and skin is coated with corrosion-resistant and histocompatibility Parylene preferably.Adjacent titanium pearl is by independently titanium wire is connected.The two ends of device have a little ring are respectively arranged, and the suture of nonabsorable is arranged on ring, for playing fixation when the implanting device.By the operation by device ring around the anorectal region intersection, the power of attracting each other between magnetic bead can strengthen the contractility of anal sphincter, thus closed intestinal tube.Because this device only plays the effect that strengthens sphincters contract power, thus be only applicable to the patient of middle severe fecal incontinence, and be not suitable for and lose sphincteral colostomy patients.
Although above-mentioned magnetic devices existent defect, compare with other property implanted anus devices, the magnetic anal device has the following advantages:
1. little to intestinal tube pressure, and the even application of force, the possibility of minimizing intestinal tube ischemic necrosis;
2. install simple and easyly, be difficult for breaking down;
3. the simple and easy Wicresoft of implantation;
4. patient's comfort level is high, easy to operate.
Chinese patent literature CN:102488571 A, open day is on June 13rd, 2012, discloses a kind of magnet ring artificial sphincter and has manufactured and methods for using them.This invention provides a kind of manual imitation sphincteral magnet ring, but it can only strengthen sphincteral contractile function, but itself and be not suitable for and lose sphincteral colostomy patients.About a kind of, provide good shutoff function to yet there are no relevant report with the magnetic artificial anus apparatus of drawing together about function at present.
[summary of the invention]
The objective of the invention is for deficiency of the prior art, provide a kind of and there is shutoff and intestinal tube and expand the approximately artificial anus device of effect.
One purpose more of the present invention is, provides a kind of and has shutoff and intestinal tube is drawn together the approximately application of the artificial anus device of effect.
For achieving the above object, the technical scheme that the present invention takes is:
A kind of have shutoff and intestinal tube and draw together the approximately artificial anus device of effect, comprise magnet ring, suppository for blocking, described suppository for blocking is comprised of metallic core part and shell, described magnet ring is linked to be by magnetic bead, described adjacent magnetic bead is by independently " work " type titanium Connection Element is connected, and the magnetic core direction of magnetization in described magnetic bead is pointed to the center of circle.
Described suppository for blocking is dismountable two-piece structure, and the metallic core part can be extracted.
Described metallic core partly is provided with handle, becket, gas-filtering device, hollow metal cylinder, and the becket center of circle overlaps with the suppository for blocking center of circle, and internal diameter is identical with below key radius.
Described hollow metal cylinder center-filled foamed materials, upper end is provided with gas-filtering device.
Described magnetic bead is capsule-type, and magnetic bead quantity is 5～10, can be selected according to patient's making-port intestinal tube external diameter, and when not inserting suppository for blocking (magnetic bead is in released state), magnet ring just in time is close to intestinal wall and is advisable around a circle, and sheathing material is industrially pure titanium.
The magnetic core of described magnetic bead is permanent-magnet materials, and skin is coated with the material that biological tissue's compatibility is good.
When the magnetic force scope of described permanent-magnet materials can produce gravitation and magnetic bead and key and is in contact with one another with (at least 3cm in) within the specific limits to the metal material in the metallic core part, the pressure of the two should be less than 40mmHg.
Be provided with dragging track in described magnetic bead.
Described titanium Connection Element is fixed in the dragging track in magnetic bead.
In order to realize above-mentioned second purpose, the technical scheme that the present invention takes is to have artificial anus device application in the permanent colonic diversion disease for the treatment of rectal cancer as medical apparatus and instruments that shutoff and intestinal tube are drawn together approximately effect.
The invention has the advantages that:
1, due to the effect of suppository for blocking, the situation of leaking can not appear in liquid in intestinal easily;
2, magnetic bead being designed to capsule shape can avoid its pressure concentration to intestinal tube to make the intestinal tube tissue ischemia on one point;
3, " work " type titanium Connection Element had both been fixed the direction of the N level of magnetic bead, can make again magnetic bead near relatively stable with the movement locus separated, and reduced the risk of device displacement, distortion.
4, suppository for blocking adopts medical organic silicon rubber, has the advantages such as good biocompatibility, heat-resisting, ageing-resistant, easy processing;
5, the active carbon gas-filtering device in the metallic core part can filter the gas in intestinal tube.
6, the principle attracted each other under the action of a magnetic field by magnetisable material is fixed on stomach wall device, does not need to use binding agent, has reduced the possibility of skin allergy.
7, suppository for blocking is capable of washing, reusable, alleviates patient economy burden.
8, suppository for blocking is two formulas, only the metallic core of suppository for blocking need be taken off to the frictionally damage of having avoided direct plug suppository for blocking to cause intestinal wall during defecation.
9, good concealment, affect little on patient's work, life, doings.
[accompanying drawing explanation]
To be that the present invention is a kind of have shutoff and intestinal tube and draw together the approximately structural representation of the magnet ring of the artificial anus device of effect accompanying drawing 1.
To be that the present invention is a kind of have shutoff and intestinal tube and draw together the approximately magnetic bead of the artificial anus device of effect and the structural representation of Connection Element accompanying drawing 2.
To be that the present invention is a kind of have shutoff and intestinal tube and draw together the approximately structural representation of the suppository for blocking of the artificial anus device of effect accompanying drawing 3.
To be that the present invention is a kind of have shutoff and intestinal tube and draw together the approximately structural representation of the suppository for blocking of taking apart of the artificial anus device of effect accompanying drawing 4.
To be that the present invention is a kind of have shutoff and intestinal tube and draw together the approximately structural representation of artificial anus device under using state of effect accompanying drawing 5.
[specific embodiment]
Below in conjunction with accompanying drawing, the specific embodiment provided by the invention is elaborated.
The Reference numeral and the ingredient that in accompanying drawing, relate to are as follows:
1. magnet ring 2. suppository for blocking
11. magnetic bead 111. magnetic cores
112. pure titanium shell 12. titanium Connection Elements
13. intestinal tube 113. dragging tracks
21. metallic core part 211. beckets
212. foamed materials 213. hollow metal cylinders
214. gas-filtering device 215. plug handles
22. suppository for blocking shell 221. key base plane
222. key 31. skin layers
32. fat deposit 33. obliquus externus abdominis m. aponeurosis (aponeuroses)s
34. abdominal muscle 35. peritoneal layers
Please refer to Fig. 1, to be that the present invention is a kind of have shutoff and intestinal tube and expand the approximately structural representation of the magnet ring of the artificial anus device of effect Fig. 1.Described magnet ring 1 comprises magnetic bead 11, titanium Connection Element 12, and described magnetic bead is provided with magnetic core 111, pure titanium shell 112, dragging track 113(and please refer to Fig. 2).
Please refer to Fig. 2, to be that the present invention is a kind of have shutoff and intestinal tube and draw together the approximately structural representation of the magnetic bead of the artificial anus device of effect Fig. 2.Described magnetic bead is provided with magnetic core 111, pure titanium shell 112, dragging track 113; Described magnetic core N level direction is pointed to the center of circle, described in figure, is that vertical paper makes progress.
Please refer to Fig. 3 and Fig. 4, there is shutoff and intestinal tube in figure for the present invention is a kind of and draw together the suppository for blocking of the artificial anus device approximately acted on and the structural representation under disassembled state thereof.Described suppository for blocking 2 is the gill fungus umbrella, its structure is dismountable two-piece structure, comprise metallic core part 21 and shell 22, described metallic core part 21 is provided with becket 211, hollow metal cylinder 213, gas-filtering device 214, plug handle 215, becket 211 centers of circle overlap with suppository for blocking 2 centers of circle, and internal diameter is identical with below key 222 radiuses.Described hollow metal cylinder 213 center-filled foamed materialss 212, upper end is provided with gas-filtering device 214.Plug handle 215 can conveniently plug the metallic core part 21 of suppository for blocking, and the handle 215 of rotation plug simultaneously can be fixed and separate two parts.
It should be noted that, described magnetic bead 11 is capsule-type, magnetic bead 11 is designed to capsule shape and non-circular be to make intestinal tube 13 tissue ischemias for fear of its pressure concentration to intestinal tube 13 on one point, in magnet ring 1, the quantity of magnetic bead 11 is 5～10, can be selected according to patient's making-port intestinal tube external diameter, can change the big or small radius length of magnetic bead, when not inserting suppository for blocking 2 (magnetic bead 11 is in released state), magnet ring 1 just in time is close to intestinal wall and is advisable around a circle.Magnetic core 111 is for being with magnetic samarium-cobalt alloy, and magnet ring 1 center of circle is pointed in magnetization N extreme direction.The magnetic force scope of magnetic core is: (at least in 3cm) can produce gravitation to the metal material in the metallic core part within the specific limits.When magnetic bead and key are in contact with one another, the pressure of the two should be less than 40mmHg, prevents the excessive generation intestinal tube of intestinal wall pressure ischemic necrosis.Magnetic core 111 skins are coated with corrosion-resistant and histocompatibility Parylene preferably.Magnetic bead shell 112 is little, the corrosion resistant industrially pure titanium of infection risk.Adjacent magnetic bead 11, by independently titanium Connection Element 12 is connected, make magnetic bead 11 have certain mobility, so magnet ring 1 can enlarge within the specific limits and dwindle.During use, magnet ring 1 is looped around around intestinal tube 13.When not inserting suppository for blocking 2, adjacent magnetic bead 11 is because mutually repel, and it is the longest that the titanium between them connects 12 length, and magnet ring 1 is in open state.Described titanium Connection Element 12 is the design of " work " matrix shape, can make the N level of magnetic bead 11 can fix over against magnet ring 1 center of circle, and be fixed in dragging track 113, so both fixed the direction of the N level of magnetic bead 11, can make again magnetic bead 11 near relatively stable with the movement locus separated, reduce the risk of device displacement, distortion.The shape of described suppository for blocking 2 is except the gill fungus umbrella, also can adopt other shapes of T-shape etc., the material of suppository for blocking 2 should be used the material with good biocompatibility, the present invention uses medical organic silicon rubber, and it has the advantages such as good biocompatibility, heat-resisting, ageing-resistant, easy processing.Suppository for blocking 2 is two formulas, only need rotate plug handle 215 during defecation the metallic core part 21 of suppository for blocking is extracted, the frictionally damage of having avoided 2 pairs of intestinal wall of direct plug suppository for blocking to cause.The metal of metallic core part 21 is used the material (as nickel, ferrum) with former magnetic structure, and the present invention uses nickel alloy, and skin is coated with the Parylene that can prevent metal erosion and damaged tissue.The diameter of key part 222 is designed to 2cm-4cm, makes a mouthful enteric cavity size according to the patient and selects, and it is approximated or be slightly larger than the enteric cavity diameter.Hollow metal cylinder 213 is filled with the foamed materials 212 that can allow gas pass through energy liquid barrier and solid, and the gas filtering device 214 that upper opening is installed is the active carbon gas-filtering device.Gas in intestinal can be by foamed materials 212 Self-discharged after gas-filtering device 214 in hollow metal cylinder 213.And liquid and solid in intestinal can not revealed easily under two kinds of effects of closing function of the about function of drawing together of magnet ring 1 and suppository for blocking 2.
Please refer to Fig. 5, to be that the present invention is a kind of have shutoff and intestinal tube and expand the approximately artificial anus device schematic diagram in use of effect Fig. 5.Described magnet ring 1 is the dark face of obliquus externus abdominis m. aponeurosis (aponeuroses) 33 that is placed in when abdominal part is made mouthful, then will be good for the incisxal edge of film and sew up mutually with the abdominal muscle 34 of its dark face, makes magnet ring 1 be capped fully and fix it.Intestinal tube 13 ends are caused to the abdominal stoma place, through peritoneal layer 35, by magnet ring 1 center, pass stomach wall, will make mouthful intestinal tube end incisxal edge and making-port skin incisxal edge when operation finishes and make holostrome and directly sew up.
First the head end of suppository for blocking shell 22 is inserted and makes in mouth during use, now magnet ring 1 does not shrink.Treat that shell 22 inserts in enteric cavity fully, when key base plane 221 is affixed with stomach wall, the metallic core of suppository for blocking 21 slowly is inserted in shell.When cylinder metal 213 lower ends arrive magnet ring 1 level, it is close to the center of circle that magnetic bead 11 is subject to the captivation of cylinder metal 213, and magnet ring 1 shrinks, and intestinal tube 13 and key 222 closely are affixed.Slowly metallic core 21 is all inserted to shell 22 again, until metallic core 21 is fully chimeric with shell 22, last rotating handles 215 is fixed two parts of suppository for blocking 2.
Because the direction of magnetization of magnetic bead 11 is unanimously pointed to magnet ring 1 center of circle, thus adjacent magnetic bead 11 under naturalness in mutual repulsion state, the girth maximum of magnet ring 1 at this moment.Magnet ring 1 is placed in to the dark face of obliquus externus abdominis m. aponeurosis (aponeuroses) when carrying out neostomy, intestinal tube 13 is hauled out and is fixed in stomach wall by magnet ring 1 center.Postoperative 4～6 weeks, after fistulation position tissue edema disappears, the key of suppository for blocking 222 is inserted and makes in mouth, 213 magnetic field forces of magnetic bead 11 and hollow metal cylinder make magnetic bead 11 attract to center of circle direction, magnet ring 1 simulation sphincters contract makes intestinal tube 13 walls be close to key 222, the sealing enteric cavity.11 pairs of metallic core interior metal rings 211 of magnetic bead are also attractive simultaneously, make suppository for blocking 2 can be close to stomach wall.Gas in intestinal can be by the rear Self-discharged of heart channel gas-filtering device 214 in hollow metal cylinder 213.And liquid and solid in intestinal can not revealed easily under two kinds of effects of closing function of the about function of drawing together of magnet ring 1 and suppository for blocking 2.While needing defecation, the patient pins shell edge with hands, and rotating handles 215 is slowly extracted the metallic core 21 of suppository for blocking 2, and the central tube that allows intestinal contents pass through suppository for blocking shell 22 is discharged.
It should be noted that, the present invention also can add press feedback device and Magnetic Control system etc. to control the pressure between magnet ring 1 and suppository for blocking 2, and the comfort level in order to the sealing, safety and the patient that improve device, be considered as within protection scope of the present invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the inventive method; can also make some improvement and supplement, these improvement and supplement and also should be considered as protection scope of the present invention.
Claims (10)
1. one kind has shutoff and intestinal tube and draws together the approximately artificial anus device of effect, comprise magnet ring, suppository for blocking, described suppository for blocking is comprised of metallic core part and shell, described magnet ring is linked to be by magnetic bead, described adjacent magnetic bead is by independently " work " type titanium Connection Element is connected, it is characterized in that, the magnetic core direction of magnetization in described magnetic bead is pointed to the center of circle.
2. according to claim 1 have shutoff and intestinal tube and expand the approximately artificial anus device of effect, it is characterized in that, described suppository for blocking is dismountable two-piece structure, and the metallic core part can be extracted.
3. according to claim 1 have shutoff and intestinal tube and expand the approximately artificial anus device of effect, it is characterized in that, described metallic core partly is provided with plug handle, becket, gas-filtering device, hollow metal cylinder, the becket center of circle overlaps with the suppository for blocking center of circle, and internal diameter is identical with below key radius.
4. according to claim 3 have shutoff and intestinal tube and expand the approximately artificial anus device of effect, it is characterized in that, and described hollow metal cylinder center-filled foamed materials, upper end is provided with gas-filtering device.
5. according to claim 1 have shutoff and intestinal tube and expand the approximately artificial anus device of effect, it is characterized in that, described magnetic bead is capsule-type, magnetic bead quantity is 5～10, can be selected according to patient's making-port intestinal tube external diameter, when not inserting suppository for blocking, magnet ring just in time is close to intestinal wall and is advisable around a circle, and sheathing material is industrially pure titanium.
6. according to claim 5 have shutoff and intestinal tube and draw together the approximately artificial anus device of effect, it is characterized in that, the magnetic core of described magnetic bead is permanent-magnet materials, and skin is coated with the material that biological tissue's compatibility is good.
7. according to claim 6 have shutoff and intestinal tube and draw together the approximately artificial anus device of effect, it is characterized in that, when the magnetic force scope of described permanent-magnet materials is in contact with one another can the metal material in the metallic core part be produced to gravitation and magnetic bead and key within the specific limits, the pressure of the two should be less than 40mmHg.
8. according to claim 5 have shutoff and intestinal tube and expand the approximately artificial anus device of effect, it is characterized in that, in described magnetic bead, is provided with dragging track.
9. according to claim 1 have shutoff and intestinal tube and draw together the approximately artificial anus device of effect, it is characterized in that, described titanium Connection Element is fixed in the dragging track in magnetic bead.
10. according to the arbitrary described artificial anus device application in the permanent colonic diversion disease for the treatment of rectal cancer as medical apparatus and instruments that shutoff and intestinal tube are drawn together approximately effect that has of claim 1-9.
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| CN201310400113.6A CN103462739B (en) | 2013-09-06 | 2013-09-06 | Artificial anus device with functions of closure and bowel contracting and application thereof |
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| CN201310400113.6A CN103462739B (en) | 2013-09-06 | 2013-09-06 | Artificial anus device with functions of closure and bowel contracting and application thereof |
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| CN103462739B CN103462739B (en) | 2015-07-15 |
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| CN201310400113.6A Expired - Fee Related CN103462739B (en) | 2013-09-06 | 2013-09-06 | Artificial anus device with functions of closure and bowel contracting and application thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815985A (en) * | 2014-01-28 | 2014-05-28 | 西安交通大学 | Recanalization anastomosis apparatus for anal atresia |
| CN104644310A (en) * | 2015-03-05 | 2015-05-27 | 上海源研生物医学工程有限公司 | Bag-free controllable abdomen ostomy device |
| CN113229877A (en) * | 2021-06-16 | 2021-08-10 | 重庆医科大学附属第三医院(捷尔医院） | Stoma assisting fixator |
| CN114392033A (en) * | 2022-03-08 | 2022-04-26 | 成都市龙泉驿区第一人民医院 | Bag-free controllable abdominal stoma device |
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| US4904256A (en) * | 1986-02-24 | 1990-02-27 | Meito Sangyo Kabushiki Kaisha | Magnetic artificial anus having sphincter function |
| SU1734724A2 (en) * | 1989-11-03 | 1992-05-23 | Войсковая часть 27177 | Prosthesis of constrictor for artificial anus |
| US20090062824A1 (en) * | 2007-08-27 | 2009-03-05 | Torax Medical, Inc. | Magnetic gastric band or the like, and related methods |
| CN102488571A (en) * | 2011-12-12 | 2012-06-13 | 罗成华 | Magnetic-ring artificial sphincter and manufacture and application method thereof |
| CN203169363U (en) * | 2013-04-10 | 2013-09-04 | 上海中医药大学附属龙华医院 | Implanted magnetic sphincter enhancing ring |
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| DE3011742A1 (en) * | 1980-03-26 | 1981-10-01 | Siemens AG, 1000 Berlin und 8000 München | Magnetic closure system for natural or artificial anus - has magnetic cover held in place by ring of joined individual magnets embedded in tissue of patient |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103815985A (en) * | 2014-01-28 | 2014-05-28 | 西安交通大学 | Recanalization anastomosis apparatus for anal atresia |
| CN103815985B (en) * | 2014-01-28 | 2015-08-26 | 西安交通大学 | A kind of logical again stapling apparatus for proctatresia |
| CN104644310A (en) * | 2015-03-05 | 2015-05-27 | 上海源研生物医学工程有限公司 | Bag-free controllable abdomen ostomy device |
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| CN113229877A (en) * | 2021-06-16 | 2021-08-10 | 重庆医科大学附属第三医院(捷尔医院） | Stoma assisting fixator |
| CN113229877B (en) * | 2021-06-16 | 2022-06-07 | 重庆医科大学附属第三医院(捷尔医院） | Stoma assisting fixator |
| CN114392033A (en) * | 2022-03-08 | 2022-04-26 | 成都市龙泉驿区第一人民医院 | Bag-free controllable abdominal stoma device |
| CN114392033B (en) * | 2022-03-08 | 2022-09-16 | 成都市龙泉驿区第一人民医院 | Bag-free controllable abdominal stoma device |
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| CN103462739B (en) | 2015-07-15 |
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