Implanted magnetic sphincter strengthens ring
Technical field
This utility model relates to the medical therapy technical field, relates in particular to a kind of implanted magnetic sphincter enhancing ring that sphincters contract power is alleviated anal incontinence that strengthens.
Background technology
Out of contior excrement matter that fecal incontinence (FI) refers to take place is repeatedly discharged, symptom continues at least 3 months, comprises that the unconscious feces of passive-type FI(patient leaks outside), urgent type FI(patient consciously but subjective uncontrollable) and leak excrement (following 1 subnormal defecation feces afterwards closely spills).Normal defecation restraining mechanism relates to flesh and function of nervous system etc. at the bottom of intestinal motive force, anal orifice and rectal intestine sensation, faecal volume and denseness, anal sphincter, the basin, any or number of mechanisms is impaired can to cause FI, painful and the life inconvenience of huge body and mind can be caused, even personality changes can be caused.Because most of patients is ashamed of going to a doctor, so primary disease is easily out in the cold clinically.
The therapeutic purposes of fecal incontinence (FI) are to recover fecal continence, improve patient's quality of life.Based on symptomatic treatment, treat underlying diseases simultaneously, treatment is divided into following several: Supporting Therapy, Drug therapy, biological feedback treatment and surgical operation therapy.
To Supporting Therapy and the invalid FI patient of Drug therapy, especially sphincter dilatation and (or) the rectal sensation sufferer, first-selected biological feedback treatment, the asynergic movement of flesh at the bottom of anal sphincter and the basin when its objective is enhancing anal sphincter contraction force, raising rectal sensation threshold value, correction defecation.Mainly contain 3 kinds of training methodes at present, i.e. strength building, sense culture and exercise for coordination.According to patient's pathophysiological mechanism, can be separately or use in conjunction.Because the research majority of this treatment is nonrandom controlled trial, and therapy, the course for the treatment of and curative effect judging standard that different researcher adopts are different, therefore still lack at present the curative effect of biological feedback treatment and other therapies relatively.
Surgical operation therapy is a kind of conventional means invalid at medical treatment or that have the patient of clear and definite indication to take.Surgical operation mode commonly used comprises: sphincteroplasty, anus rear kposthesis, dynamic property gracilis transposition, artificial anal sphincter, sacral nerve stimulation and colostomy.Sphincteroplasty is traditional F I modus operandi, is applicable to that external sphincter decreases the wounded, short term effect still can, but late result is not good enough.Anus rear kposthesis is only applicable to the unable but patient of N/D of sphincter, its curative effect in time prolongation and descend.The principle of dynamic property gracilis transposition and artificial anal sphincter is similar, can form new sphincter, and implantation success person curative effect is better, but relapse rate is higher, risk is bigger, is not suitable for promoting.Sacral nerve stimulation is the method that occurs recently, has advantages such as safe and effective, that invasive is little, is applicable to serious symptom FI patient, and particularly anatomical structure is complicated and have the patient of physiological defective, but its late result is uncertain.
Though it is multiple that the modus operandi of present treatment fecal incontinence has, all there are pros and cons in each method, and various Therapeutic Method all need strict indication and the contraindication grasped, and postoperative effect can not be very satisfactory.
The utility model content
This utility model is at there being weak point in the prior art, provide a kind of implanted magnetic sphincter to strengthen ring, this magnetic sphincter enhancing ring is compared the present conventional artificial sphincter transplanting of using and is compared, reduce the treatment cost significantly, and transplant than artificial sphincter and can not damage original sphincter form and partial function, effectively alleviate the incontinence symptom with original sphincter synergism.
To achieve these goals, the technology that this utility model adopts is that a kind of implanted magnetic sphincter strengthens ring, implanted magnetic sphincter strengthens ring and comprises two above magnetic beads, described magnetic bead is made up of pearl body and the magnetisable material that is arranged in the pearl, be provided with connecting rod between adjacent two magnetic beads, the two ends of described connecting rod are inserted respectively and are made magnetic bead series connection ring formation in two adjacent magnetic beads.
Provide in the preferred embodiment at this utility model, wherein said magnetic bead is provided with the through hole that connects magnetic bead, can hold connecting rod in the through hole and be arranged on the retainer ring at connecting rod two ends, described through hole both ends open place is provided with block with holes respectively, described connecting rod stretches out the pearl body by this hole, and the external diameter of described retainer ring is greater than the internal diameter of circular hole.
Provide in the preferred embodiment at this utility model, be provided with the annular cavity of a built-in magnetisable material in the wherein said pearl body, described through hole passes from the middle part of annular cavity.
Provide in the preferred embodiment at this utility model, wherein said pearl body is made up of the upper and lower, and described top is provided with protuberance, and described bottom is provided with recess, and described top protuberance embeds lower recess and forms complete pearl body.
Provide in the preferred embodiment at this utility model, have through hole on the wherein said magnetisable material, described protuberance passes described through hole and is embedded into recess.
Provide in the preferred embodiment at this utility model, the through hole of wherein said perforation magnetic bead passes protuberance and recess.
Provide in the preferred embodiment at this utility model, wherein said connecting rod middle part is provided with knuckle, and the angle of described knuckle is 90 ° ~ 170 °.
Provide in the preferred embodiment at this utility model, wherein said magnetisable material is Magnet.
Provide in the preferred embodiment at this utility model, wherein said magnetic sphincter strengthens ring to be made up of 5 ~ 15 magnetic beads, as 6,8,12,13.Further in the preferred embodiment, wherein magnetic sphincter enhancing ring is made up of 10 magnetic beads.
Compared with prior art, the implanted magnetic sphincter that this utility model provides strengthens ring can reduce fecal incontinence patient's treatment cost significantly, and can not damage original sphincter form and partial function, effectively alleviate the incontinence symptom with original sphincter synergism.
Description of drawings
Fig. 1 is the structure chart that the magnetic sphincter among the embodiment 1 strengthens magnetic bead in the ring.
Fig. 2 is the structure chart that the magnetic sphincter among the embodiment 2 strengthens magnetic bead in the ring
Fig. 3 is the state diagram that quiescent condition magnetic sphincter strengthens ring.
Fig. 4 is that the master of feces pressure magnetic sphincter enhancing ring looks state diagram.
Fig. 5 is the state diagram of overlooking that feces pressure magnetic sphincter strengthens ring.
Fig. 6 is the axonometric chart that feces pressure magnetic sphincter strengthens ring.
The specific embodiment
This utility model provides a kind of implanted magnetic sphincter to strengthen ring, around surgical operation implantation anal sphincter, alleviates the incontinence of anus to strengthen sphincters contract power.
By the following examples the content of this utility model to the invention is described in further detail, in order to better understand the content of the invention, but the content of embodiment does not limit the protection domain of the invention.
This utility model proposes implanted magnetic sphincter at existing treatment fecal incontinence scheme weak point and strengthens ring, and this magnetic sphincter strengthens ring and is levitron.According to the difference of patient's figure, generally constituted by 10 ~ 15 magnetic beads.By operating mode, magnetic bead is implanted in sphincter position on every side respectively.Strengthen sphincteral contractility under the state of tranquillization, anal orifice is closed, and impels the anus of incontinence not allow feces arbitrarily flow out.After the stool of rectum top ran up to a certain degree, downward pressure increased, and the opposing sphincter strengthens the resistance of ring, and sphincter coextends with strengthening ring, and stool is flowed out.Control incontinent patients times of defecation is to alleviate society, the mental anguish that incontinence was brought.
Embodiment 1
Implanted magnetic sphincter strengthens ring and is combined to form by two above magnetic beads 10 and connecting rod 22.As shown in Figure 1, magnetic bead 10 is made up of pearl body and the magnetisable material 21 that is arranged in the pearl, and the pearl body is that biological material preparation forms, and magnetisable material 21 is Magnet.The pearl body is made up of top 11 and bottom 12 two parts, and 11 are provided with protuberance on top, and described bottom 12 is provided with the recess that is complementary with top 11 protuberances, and described top 11 protuberances embed bottom 12 recesses and form complete pearl body.Be provided with a cavity in the pearl body, be built-in with Magnet at this cavity, the Magnet in the adjacent magnetic bead 10 attracts each other, thereby tightens up anal orifice.Be provided with connecting rod 22 between adjacent two magnetic beads 10, the two ends of connecting rod 22 are inserted respectively and are made magnetic bead connect in two adjacent magnetic beads 10.The pearl body that biomaterial is made seals Magnet within it, and the back Magnet that implants can directly not contact with tissue, and then can prevent untoward reaction such as rejection, infection.
Being provided with connecting rod 22 on the surface of magnetic bead, stretches with adjacent magnetic bead 10 respectively and links to each other in the two ends of described connecting rod 22.Be provided with knuckle at connecting rod 22 middle parts, the angle of knuckle is 100 ° ~ 160 °, is preferably 160 ° knuckle.According to patient's figure difference, the magnetic bead on the implanted magnetic sphincter enhancing ring adjusts accordingly usually.
Embodiment 2
Implanted magnetic sphincter strengthens ring and is combined to form by magnetic bead 12 and connecting rod 22.As shown in Figure 2, magnetic bead 10 is made up of pearl body and the magnetisable material 21 that is arranged in the pearl, and the pearl body is that biological material preparation forms, and magnetisable material 21 is Magnet.The pearl body is made up of top 11 and bottom 12 two parts, and 11 are provided with protuberance on top, and described bottom 12 is provided with the recess that is complementary with the top protuberance, and described top 11 protuberances embed bottom 12 recesses and form complete pearl body.Be provided with the through hole 13,14 that communicates up and down at magnetic bead 10, can hold connecting rod 22 in the through hole 13,14.Through hole 13,14 both ends open places are provided with block with holes, and described connecting rod 22 stretches out the pearl body by this hole, and the external diameter of described retainer ring is greater than the internal diameter in this hole, and the magnetic bead 10 that links to each other joins end to end by the retainer ring on the connecting rod 22.Be provided with the annular cavity of a built-in magnetisable material 21 in the pearl body, cavity is built-in with the Magnet that has through hole.Described through hole 13,14 passes from the middle part of annular cavity, and the through hole 13,14 that connects magnetic bead 10 passes protuberance and recess, and protuberance passes described through hole and is embedded into recess.Magnet in the adjacent magnetic bead 10 attracts each other, thereby tightens up anal orifice.The pearl body that biomaterial is made seals Magnet within it, and the back Magnet that implants can directly not contact with tissue, and then can prevent untoward reaction such as rejection, infection.
Be provided with knuckle at connecting rod 22 middle parts, the angle of knuckle is 100 ° ~ 160 °, is preferably 160 ° knuckle.Two ends at connecting rod 22 are provided with retainer ring, and the external diameter of described retainer ring makes that greater than the internal diameter of through hole connecting rod 22 can be movable in magnetic bead 10, and connecting rod 22 1 ends are set to be slightly less than half of magnetic bead 10 inner via hole distances to the distance of knuckle.The connecting rod 22 that links to each other on the magnetic bead 10 joins end to end by retainer ring, strengthens ring thereby form annular.
The implanted magnetic sphincter that this utility model provides strengthens ring according to everyone figure practical situation, strengthens ring and is made of 10 ~ 15 magnetic beads.Magnetic bead with connecting rod be linked to be a lot of after, the magnetic bead at two ends is equipped with annulus outward respectively, do a kerf with operating mode at an end of sphincter periphery, a string magnetic bead is entered by this otch, behind sphincter one circle, pass from this otch again, surgery knotting connection between two annulus attracts each other between each magnetic bead after fixing, and strength is about 100gr between the single magnet.Shown in Figure 3 is to attract each other under naturalness, and implanted magnetic sphincter strengthens the state diagram of ring.Shown in Fig. 4,5,6, be that implanted magnetic sphincter enhancing ring is strutted when being under the feces pressure, thereby carry out defecation.After finishing defecation, last each magnetic bead of sphincter enhancing ring tightens up under the effect of magnetic and returns to naturalness, and each magnetic bead strengthens sphincteral effect by playing mutually.
The operation back is owing to stool time and the amount of every day are not quite similar, therefore the time that strengthens the expansion of ring pressurized has difference, therefore should formulate logical diet time and amount for a long time after implanting, make and oneself form timing every day bowel habit, thereby under the situation of not damaging original sphincter form and partial function, the magnetic sphincter strengthens ring and original sphincter synergism, alleviates the incontinence symptom.
More than specific embodiment of the utility model is described in detail, but it is as example, this utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that this practicality is carried out and substituting also all among category of the present utility model.Therefore, not breaking away from impartial conversion and the modification of doing under the spirit and scope of the present utility model, all should be encompassed in the scope of the present utility model.