CN104720931A - Puborectalis-imitated dual-ring artificial anal sphincter prosthesis - Google Patents
Puborectalis-imitated dual-ring artificial anal sphincter prosthesis Download PDFInfo
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- CN104720931A CN104720931A CN201510144422.0A CN201510144422A CN104720931A CN 104720931 A CN104720931 A CN 104720931A CN 201510144422 A CN201510144422 A CN 201510144422A CN 104720931 A CN104720931 A CN 104720931A
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- ring
- puborectalis
- anal sphincter
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- artificial anal
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Abstract
A puborectalis-imitated dual-ring artificial anal sphincter prosthesis comprises a plurality of pressure sensors, two fixing rings, a connecting support, a driving mechanism and a movable half ring. The two fixing rings are arranged in parallel through the connecting support, the movable half ring is located between the two fixing rings and connected with the connecting support, the driving mechanism is located between the two fixing rings and connected with the movable half ring and drives the movable half ring to move between the two fixing rings, and the pressure sensors are arranged on the driving mechanism and all faces of the movable half ring to collect pressure of an intestinal tract. The puborectalis-imitated dual-ring artificial anal sphincter prosthesis is small in size, low in weight and capable of improving the success rate of prosthesis implantation, and detection of intestinal tract pressure signals is more accurate.
Description
Technical field
What the present invention relates to is a kind of technology of field of medical device, specifically a kind of imitative puborectalis formula dicyclo artificial anal sphincter prosthese with pressure transducer.
Background technology
Fecal incontinence is a kind of disease common clinically, and according to the sickness rate of statistics adult up to 2%, over-65s person sickness rate can reach 7%, and the sickness rate of in fact this disease is often underestimated because patient is ashamed of seeking medical advice.Fecal incontinence refers to that anal sphincter loses the control ability of discharging feces and gas, it easily causes multiple complications, not only bring considerable distress to patient, and bring many difficulties to nursery work, along with the development of aged tendency of population trend, fecal incontinence has become one of disease of urgent clinical needs solution.
Due to anal sphincter loss of function or anal sphincter is cut etc. that reason causes severe fecal incontinence disease, the method for this fecal incontinence of surgical intervention has intestines ostomy and implantable artificial anal sphincter prosthese.Intestines ostomy is the last selection scheme of surgical intervention fecal incontinence, and it is a kind of effective means saving life, but is also the physiological deformity of a kind of violation or deformity, has had a strong impact on quality of life and the quality of life of patient.Artificial anal sphincter is that artificial organ---artificial anal sphincter is to treat fecal incontinence disease in use.Artificial anal sphincter Artificial Anal Sphincter is used for surgical intervention fecal incontinence disease clinically abroad, and obtains good effect.
Through finding the retrieval of prior art, Chinese patent literature CN104367401A, date of publication 2015.2.25, disclose a kind of imitative puborectalis formula dicyclo artificial anal sphincter prosthese, comprise: upper retainer ring, lower retainer ring, connection bracket, power set, gear reduction box and movable semi-ring, wherein: upper retainer ring and lower retainer ring be arranged in parallel and be arranged at the two ends of connection bracket respectively, the middle part connection activity semi-ring of connection bracket, the all integrated settings with connection bracket of power set and gear reduction box, power set are by gear reduction box control activity semi-ring, realization activity semi-ring upwards the direction, the center of circle of retainer ring and lower retainer ring or circumferencial direction movable, realize the clamping to intestinal.This kind of imitative puborectalis formula dicyclo artificial anal sphincter prosthese adds pressure sensing module, and the diverse location that the special pressure transducer in five tunnels is placed in upper, middle and lower three ring respectively detects the force value of intestinal and prosthese contact position respectively.But this kind of special pressure transducer can only realize the pressure detecting of specific location point, detected pressures error is large, accurately can not react the pressure change around intestinal.
Summary of the invention
The present invention is directed to prior art above shortcomings, a kind of imitative puborectalis formula dicyclo artificial anal sphincter prosthese is proposed, the pressure sensor design be made up of this pressure transducer is more reasonable, upper, some U-type groove mouths are provided with inside lower ring and middle swing arm, groove is embedded with five homemade pressure sensor block, and the contact due to this pressure sensor module and intestinal wall adopts " the face way of contact " can be more effective, gather the pressure data around intestinal accurately, by the change of this pressure sensor block perception colonic pressure, automatically prosthese is opened by driving device when needs defecation, prosthese is opened to suitable degree by pressure perception, start defecation, defecation completes, and when needing stool control mode, automatically closes prosthese, by sensed pressure size, closes prosthese to suitable degree, realize stool control mode by closed loop control.
The present invention is achieved by the following technical solutions:
The present invention includes: several pressure transducers, two retainer rings, connection bracket, driving mechanism and movable semi-rings, wherein: two retainer rings are be arranged in parallel by connection bracket, movable semi-ring is between two retainer rings and be connected with connection bracket, driving mechanism is between two retainer rings and be connected with movable semi-ring, and driving activity semi-ring is movable between two retainer rings, to gather colonic pressure on each face that pressure transducer is arranged at driving mechanism and movable semi-ring.
Described pressure transducer comprises: membrane casing, be fixedly installed on membrane casing side sealing-plug, be fixedly installed on sealing-plug contact silicone oil side the circuit board be connected with holding wire, wherein: circuit board is provided with sensor die to gather the colonic pressure of transmission from membrane casing and built-in silicone oil.
Described driving mechanism comprises: micromachine and gear reduction box, wherein: the input of gear reduction box is connected with movable semi-ring with the output shaft of micromachine respectively with output, when direction, the center of circle activity then closed intestinal of movable half hoop retainer ring, reverse activity then makes intestinal unobstructed.
Described retainer ring and movable semi-ring are equipped with some notches for fixation pressure sensor.
Described notch is by the baffle plate of the upper surface and side that are arranged at movable semi-ring or realize by arranging cavity on the surface of retainer ring.
Described retainer ring is the circulus of the hinged formation of multistage arcuate member, and the circulus of this retainer ring is outside to be rotationally connected with connection bracket.
Described connection bracket is open column shape body, and described driving mechanism is positioned at connection bracket inside.
The outside of described retainer ring is provided with some through wires holes fixing for prosthese.
Technique effect
Compared with prior art, the built-in pressure transducer of prosthese of the present invention can better the change of perception colonic pressure, the pressure detecting for several point can not only be realized, it can detect accurately for the pressure on several, when needs defecation by drive circuit drive motors, make prosthese automatically be opened to suitable degree, start defecation; Defecation completes, and when needing stool control mode, drive motors closes prosthese to appropriate level, realizes stool control mode.In addition, borrowed structure of the present invention is simple, and volume is little, quality light (actuator quality is less than 20g), is conducive to improving transplanting succeed rate.Prosthese after transplanting is little to patient effect, realizes automatic defecation stool control mode, reduce postoperative infection probability by panel communication in the control box of outside and body; Need not the complicated operations such as anastomosis of rectum be carried out, implant simple, alleviate the burden of patient.
Accompanying drawing explanation
Fig. 1 is sensor construction schematic diagram;
Fig. 2 is the axonometric drawing under borrowed structure open mode;
Fig. 3 is the axonometric drawing under borrowed structure closed condition;
Fig. 4 is the baffle arrangement figure of sensor;
In figure: a is baffle plate schematic diagram; B is assembling schematic diagram;
Fig. 5 is the axonometric drawing of movable semi-ring;
In figure: 1 is holding wire, 2 is sealing-plug, and 3 is sensor die, 4 is circuit board, 5 is silicone oil, 6 be membrane casing, 7 for connector, 8 is upper retainer ring, 9 is lower retainer ring, 10 is movable semi-ring, and 11 is connection bracket, and 12 is micromachine, 13 is gear reduction box, and 14,15 and 16 are baffle plate, 17,18 for notch.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, be the pressure transducer that the present embodiment relates to, this pressure transducer comprises: sealing-plug 2, sensor die 3, PCB 4 and membrane casing 6, and wherein: be full of silicone oil 5 in membrane casing 6, sealing-plug 2 is fixedly installed on membrane casing 6 one end; Sensor die 3 is positioned in PCB 4, and PCB 4 is connected with holding wire 1, and is fixedly installed on sealing-plug 2 and contacts silicone oil 5 side, and colonic pressure is passed to sensor die 3 by membrane casing 6 and built-in silicone oil 5,
Described sensor die 3 exports pressure signal to back-end circuit by holding wire 1.
As Fig. 2, shown in Fig. 3, for the imitative puborectalis formula dicyclo artificial anal sphincter prosthese that the present embodiment relates to, comprise: pressure transducer as shown in Figure 1, two retainer rings 8, 9, movable semi-ring 10, connection bracket 11, micromachine 12 and gear reduction box 13, wherein: upper retainer ring 8 and lower retainer ring 9 be arranged in parallel, and be arranged at the two ends of connection bracket 11 respectively, the middle part connection activity semi-ring 10 of connection bracket 11, all integrated with connection bracket 11 setting of micromachine 12 and gear reduction box 13, micromachine 12 is by gear reduction box 13 control activity semi-ring 10, direction, the center of circle activity then closed intestinal of movable semi-ring 10 upwards retainer ring 8 and lower retainer ring 9, then intestinal is unobstructed in the circumferencial direction activity of movable semi-ring 10 upwards retainer ring 8 and lower retainer ring 9, pressure transducer is embedded in the notch of three rings.
Described upper retainer ring 8 is identical with lower retainer ring 9 structure, and one end is connected with connection bracket 11, and the other end is annular opening connector 7.
One end of described slot connection 7 is hinged, and the other end is that latch locking connects.
Described upper retainer ring 8 and lower retainer ring 9 be circumferentially provided with some earhole structures for threading.
Described movable semi-ring 10 is borehole structure for one end and is connected with connection bracket 11, and the other end is the arc-shaped structure that radian is identical with the diameter of lower retainer ring 2 with upper retainer ring 1.
As shown in Figure 4, for movable semi-ring, baffle plate 14,15 and 16 is placed in ring arm inside groove place, form the upper end of ring arm and two notches 17 and 18 of side, for settling pressure transducer, the pressure of pressure sensor senses intestinal diverse location changes and pressure information is transferred to drive circuit, when needing defecation, drive circuit drive motors, makes movable semi-ring 10 open, and starts defecation; Defecation completes, and when needing stool control mode, drive circuit makes movable semi-ring 8 cut out.
Claims (8)
1. an imitative puborectalis formula dicyclo artificial anal sphincter prosthese, it is characterized in that, comprise: several pressure transducers, two retainer rings, connection bracket, driving mechanism and movable semi-rings, wherein: two retainer rings are be arranged in parallel by connection bracket, movable semi-ring is between two retainer rings and be connected with connection bracket, driving mechanism is between two retainer rings and be connected with movable semi-ring, and driving activity semi-ring is movable between two retainer rings, to gather colonic pressure on each face that pressure transducer is arranged at driving mechanism and movable semi-ring.
2. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 1, it is characterized in that, described pressure transducer comprises: membrane casing, be fixedly installed on membrane casing side sealing-plug, be fixedly installed on sealing-plug contact silicone oil side the circuit board be connected with holding wire, wherein: circuit board is provided with sensor die to gather the colonic pressure of transmission from membrane casing and built-in silicone oil.
3. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 1, it is characterized in that, described driving mechanism comprises: micromachine and gear reduction box, wherein: the input of gear reduction box is connected with movable semi-ring with the output shaft of micromachine respectively with output.
4. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 1, is characterized in that, described retainer ring and movable semi-ring are equipped with some notches for fixation pressure sensor.
5. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 4, is characterized in that, described notch is by the baffle plate of the upper surface and side that are arranged at movable semi-ring or realize by arranging cavity on the surface of retainer ring.
6. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 4, it is characterized in that, described retainer ring is the circulus of the hinged formation of multistage arcuate member, and the circulus of this retainer ring is outside to be rotationally connected with connection bracket.
7. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 1, it is characterized in that, described connection bracket is open column shape body, and described driving mechanism is positioned at connection bracket inside.
8. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 1, is characterized in that, the outside of described retainer ring is provided with some through wires holes fixing for prosthese.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144422.0A CN104720931B (en) | 2015-03-30 | 2015-03-30 | Imitative puborectalis formula dicyclo artificial anal sphincter prosthese |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510144422.0A CN104720931B (en) | 2015-03-30 | 2015-03-30 | Imitative puborectalis formula dicyclo artificial anal sphincter prosthese |
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| CN104720931A true CN104720931A (en) | 2015-06-24 |
| CN104720931B CN104720931B (en) | 2016-07-06 |
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| CN201510144422.0A Expired - Fee Related CN104720931B (en) | 2015-03-30 | 2015-03-30 | Imitative puborectalis formula dicyclo artificial anal sphincter prosthese |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106847033A (en) * | 2017-03-23 | 2017-06-13 | 天津卡迪恩斯生物科技发展有限公司 | Bionical fundament structure model |
| CN107212948A (en) * | 2017-05-15 | 2017-09-29 | 上海交通大学 | The anal sphincter prosthese of integrated SMD sensor |
| CN108195489A (en) * | 2017-12-21 | 2018-06-22 | 上海交通大学 | The pressure detecting module encapsulation method of imitative pubis artificial anal sphincter prosthese |
| CN108567511A (en) * | 2017-03-13 | 2018-09-25 | 上海微创医疗器械（集团）有限公司 | Stent system |
| CN109223252A (en) * | 2018-11-07 | 2019-01-18 | 上海交通大学 | Imitative pubis artificial anal sphincter prosthese power transmission and limiting device |
| CN109223251A (en) * | 2018-11-07 | 2019-01-18 | 上海交通大学 | For imitating the precision speed reduction device of pubis artificial anal sphincter prosthese |
| CN109674559A (en) * | 2017-10-18 | 2019-04-26 | 上海交通大学 | Imitative pubis artificial anal sphincter prosthese |
| CN109875731A (en) * | 2019-04-03 | 2019-06-14 | 上海交通大学 | Contact artificial anal sphincter prosthese position limitation protection switching device |
| CN110786980A (en) * | 2018-07-16 | 2020-02-14 | 猎源（上海）生物医药科技有限公司 | Auxiliary defecation device and artificial anus thereof |
| CN111973170A (en) * | 2019-05-21 | 2020-11-24 | 上海交通大学 | Double-shaft driving type intestinal pressure detection module for artificial anal sphincter |
| CN112402054A (en) * | 2020-10-30 | 2021-02-26 | 中国人民解放军陆军军医大学第一附属医院 | A artifical defecation device for rectal cancer radical operation back |
| CN112869911A (en) * | 2020-12-18 | 2021-06-01 | 中山大学附属第六医院 | Implanted artificial anus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103690157A (en) * | 2013-12-30 | 2014-04-02 | 上海交通大学 | Uniformly-transmitting pressure sensor used for artificial anal sphincter system |
| CN104367401A (en) * | 2014-11-12 | 2015-02-25 | 上海交通大学 | Puborectalis-simulated type dual-ring artificial anal sphincter prosthesis |
| CN204562463U (en) * | 2015-03-30 | 2015-08-19 | 上海交通大学 | There is the dicyclo artificial anal sphincter prosthese of pressure transducer |
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2015
- 2015-03-30 CN CN201510144422.0A patent/CN104720931B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103690157A (en) * | 2013-12-30 | 2014-04-02 | 上海交通大学 | Uniformly-transmitting pressure sensor used for artificial anal sphincter system |
| CN104367401A (en) * | 2014-11-12 | 2015-02-25 | 上海交通大学 | Puborectalis-simulated type dual-ring artificial anal sphincter prosthesis |
| CN204562463U (en) * | 2015-03-30 | 2015-08-19 | 上海交通大学 | There is the dicyclo artificial anal sphincter prosthese of pressure transducer |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108567511A (en) * | 2017-03-13 | 2018-09-25 | 上海微创医疗器械（集团）有限公司 | Stent system |
| CN108567511B (en) * | 2017-03-13 | 2020-06-16 | 上海微创医疗器械（集团）有限公司 | Stent system |
| CN106847033B (en) * | 2017-03-23 | 2022-07-22 | 黄伟 | Bionic anus structure model |
| CN106847033A (en) * | 2017-03-23 | 2017-06-13 | 天津卡迪恩斯生物科技发展有限公司 | Bionical fundament structure model |
| CN107212948A (en) * | 2017-05-15 | 2017-09-29 | 上海交通大学 | The anal sphincter prosthese of integrated SMD sensor |
| CN107212948B (en) * | 2017-05-15 | 2018-12-28 | 上海交通大学 | The anal sphincter prosthese of integrated patch type sensor |
| CN109674559A (en) * | 2017-10-18 | 2019-04-26 | 上海交通大学 | Imitative pubis artificial anal sphincter prosthese |
| CN108195489A (en) * | 2017-12-21 | 2018-06-22 | 上海交通大学 | The pressure detecting module encapsulation method of imitative pubis artificial anal sphincter prosthese |
| CN110786980A (en) * | 2018-07-16 | 2020-02-14 | 猎源（上海）生物医药科技有限公司 | Auxiliary defecation device and artificial anus thereof |
| CN109223252A (en) * | 2018-11-07 | 2019-01-18 | 上海交通大学 | Imitative pubis artificial anal sphincter prosthese power transmission and limiting device |
| CN109223251A (en) * | 2018-11-07 | 2019-01-18 | 上海交通大学 | For imitating the precision speed reduction device of pubis artificial anal sphincter prosthese |
| CN109875731A (en) * | 2019-04-03 | 2019-06-14 | 上海交通大学 | Contact artificial anal sphincter prosthese position limitation protection switching device |
| CN111973170A (en) * | 2019-05-21 | 2020-11-24 | 上海交通大学 | Double-shaft driving type intestinal pressure detection module for artificial anal sphincter |
| CN112402054A (en) * | 2020-10-30 | 2021-02-26 | 中国人民解放军陆军军医大学第一附属医院 | A artifical defecation device for rectal cancer radical operation back |
| CN112402054B (en) * | 2020-10-30 | 2024-02-13 | 中国人民解放军陆军军医大学第一附属医院 | Manual defecation device used after radical rectal cancer treatment operation |
| CN112869911A (en) * | 2020-12-18 | 2021-06-01 | 中山大学附属第六医院 | Implanted artificial anus |
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