CN104720931B - Imitative puborectalis formula dicyclo artificial anal sphincter prosthese - Google Patents
Imitative puborectalis formula dicyclo artificial anal sphincter prosthese Download PDFInfo
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- CN104720931B CN104720931B CN201510144422.0A CN201510144422A CN104720931B CN 104720931 B CN104720931 B CN 104720931B CN 201510144422 A CN201510144422 A CN 201510144422A CN 104720931 B CN104720931 B CN 104720931B
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Abstract
A kind of imitative puborectalis formula dicyclo artificial anal sphincter prosthese, including: several pressure transducers, two retainer ring, connect support, driving mechanism and movable semi-ring, wherein: two retainer ring be arranged in parallel by connecting support, movable semi-ring is connected between two retainer ring and with being connected support, driving mechanism is connected between two retainer ring and with movable semi-ring, and driving activity semi-ring is movable between two retainer ring, pressure transducer is arranged on each face of driving mechanism and movable semi-ring to gather colonic pressure.Volume of the present invention is little, light weight, it is possible to increase the success rate of Using prosthesis, and the detection of colonic pressure signal is more accurate.
Description
Technical field
The present invention relates to the technology of a kind 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's sickness rate is up to 7%, and the sickness rate of actually this disease is often underestimated because patient is ashamed of seeking medical advice.Fecal incontinence refers to that anal sphincter loses the control ability that feces and gas are discharged, 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 as 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 to use artificial organ artificial anal sphincter to treat fecal incontinence disease.Abroad artificial anal sphincter ArtificialAnalSphincter is used for surgical intervention fecal incontinence disease clinically, and obtain good effect.
Through the retrieval of prior art is found, Chinese patent literature CN104367401A, date of publication 2015.2.25, disclose a kind of imitative puborectalis formula dicyclo artificial anal sphincter prosthese, including: upper retainer ring, lower retainer ring, connect support, power set, gear reduction box and movable semi-ring, wherein: upper retainer ring and lower retainer ring be arranged in parallel and be respectively arranged at the two ends connecting support, connect the middle part connection activity semi-ring of support, power set and gear reduction box are all with to be connected support integrally disposed, power set pass through gear reduction box control activity semi-ring, the direction, the center of circle of realization activity semi-ring upwards retainer ring and lower retainer ring or circumferencial direction are movable, realize the clamping to intestinal.This kind of imitative puborectalis formula dicyclo artificial anal sphincter prosthese adds pressure sensing module, and the special pressure transducer in five tunnels is respectively placed in the diverse location of upper, middle and lower three ring and detects the force value of intestinal and prosthese contact position respectively.But pressure transducer this kind special can only realize the pressure detecting of specific location point, and detection pressure error is big, it is impossible to the accurately pressure change around reaction intestinal.
Summary of the invention
The present invention is directed to prior art above shortcomings, the imitative puborectalis formula dicyclo artificial anal sphincter prosthese of one is proposed, the pressure sensor design being made up of this pressure transducer is more reasonable, upper, it is provided with some U-type groove mouths inside lower ring and middle swing arm, groove is embedded with five homemade pressure sensor block, and owing to the employing " the face way of contact " that contacts of this pressure sensor module with intestinal wall can be significantly more efficient, gather the pressure data around intestinal accurately, change by this pressure sensor block perception colonic pressure, prosthese is automatically opened up by driving device when needs defecation, prosthese is opened to suitable degree by pressure perception, start defecation；Defecation completes, it is necessary to during stool control mode, is automatically switched off prosthese, by sensed pressure size, by closed loop control closedown prosthese to suitable degree, it is achieved stool control mode.
The present invention is achieved by the following technical solutions:
The present invention includes: several pressure transducers, two retainer ring, connect support, driving mechanism and movable semi-ring, wherein: two retainer ring be arranged in parallel by connecting support, movable semi-ring is connected between two retainer ring and with being connected support, driving mechanism is connected between two retainer ring and with movable semi-ring, and driving activity semi-ring is movable between two retainer ring, pressure transducer is arranged on each face of driving mechanism and movable semi-ring to gather colonic pressure.
Described pressure transducer includes: membrane casing, is fixedly installed on the sealing-plug of membrane casing side, is fixedly installed on sealing-plug contact silicone oil side the circuit board that is connected with holding wire, wherein: circuit board is provided with sensor die to gather the transmission colonic pressure from membrane casing and built-in silicone oil.
Described driving mechanism includes: micromachine and gear reduction box, wherein: the input of gear reduction box is connected with the output shaft of micromachine and movable semi-ring respectively with output, when direction, the center of circle activity of movable half hoop retainer ring then closes intestinal, 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 being arranged at the movable upper surface of semi-ring and the baffle plate of side or being realized by the surface configuration cavity in retainer ring.
Described retainer ring is the circulus of the hinged composition of multistage arcuate member, and the circulus outside of this retainer ring connects with being connected holder pivots.
Described connection support is open column shape body, and described driving mechanism is positioned at connection internal stent.
Described retainer ring be provided externally with some through wires holes fixing for prosthese.
Technique effect
Compared with prior art, the built-in pressure transducer of the prosthese of the present invention can the change of better perception colonic pressure, the pressure detecting for several points can not only be realized, it can detect accurately for the pressure on several, when needs defecation by drive circuit drive motor, make prosthese automatically open up suitable degree, start defecation；Defecation completes, it is necessary to during stool control mode, and drive motor closes prosthese to appropriate level, it is achieved stool control mode.Additionally, borrowed structure of the present invention is simple, volume is little, light weight (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 by outside control box and internal panel communication, reduces postoperative infection probability；The complicated operations such as anastomosis of rectum need not 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 mode；
Fig. 4 is the baffle arrangement figure of sensor；
In figure: a is baffle plate schematic diagram；B is for 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 is membrane casing, 7 for connector, and 8 is upper retainer ring, 9 is lower retainer ring, 10 is movable semi-ring, and 11 for connecting support, and 12 is micromachine, 13 is gear reduction box, 14,15 and 16 is baffle plate, 17,18 for notch.
Detailed description of the invention
Below embodiments of the invention being elaborated, the present embodiment is carried out under premised on technical solution of the present invention, gives detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As it is shown in figure 1, the pressure transducer related to for the present embodiment, this pressure transducer includes: sealing-plug 2, sensor die 3, PCB 4 and membrane casing 6, wherein: being 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 transferred to sensor die 3 by membrane casing 6 and built-in silicone oil 5,
Pressure signal is exported to back-end circuit by described sensor die 3 by holding wire 1.
nullSuch as Fig. 2、Shown in Fig. 3，For the imitative puborectalis formula dicyclo artificial anal sphincter prosthese that the present embodiment relates to，Including: pressure transducer as shown in Figure 1、Two retainer ring 8、9、Movable semi-ring 10、Connect support 11、Micromachine 12 and gear reduction box 13，Wherein: upper retainer ring 8 and lower retainer ring 9 be arranged in parallel，And it is respectively arranged at the two ends connecting support 11，Connect the middle part connection activity semi-ring 10 of support 11，Micromachine 12 and gear reduction box 13 are all with to be connected support 11 integrally disposed，Micromachine 12 is by gear reduction box 13 control activity semi-ring 10，Direction, the center of circle activity of movable semi-ring 10 upwards retainer ring 8 and lower retainer ring 9 then closes intestinal，The circumferencial direction activity then intestinal of movable semi-ring 10 upwards retainer ring 8 and lower retainer ring 9 is unobstructed，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 being connected support 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.
The circumference of described upper retainer ring 8 and lower retainer ring 9 is provided with some earhole structures for threading.
Described movable semi-ring 10 is borehole structure for one end and is connected with being connected support 11, and the other end is the arc-shaped structure that radian is identical with the diameter of upper retainer ring 1 and lower retainer ring 2.
As shown in Figure 4, for movable semi-ring, baffle plate 14,15 and 16 is placed in ring arm inside groove place, forming the upper end of ring arm and two notches 17 and 18 of side, be used for disposing pressure transducer, the pressure of pressure sensor senses intestinal diverse location changes and by pressure information transmission to drive circuit, when needing defecation, drive circuit drive motor, makes movable semi-ring 10 open, starts defecation；Defecation completes, it is necessary to during stool control mode, and drive circuit makes movable semi-ring 8 cut out.
Claims (6)
1. an imitative puborectalis formula dicyclo artificial anal sphincter prosthese, it is characterized in that, including: several pressure transducers, two retainer ring, connect support, driving mechanism and movable semi-ring, wherein: two retainer ring be arranged in parallel by connecting support, movable semi-ring is connected between two retainer ring and with being connected support, driving mechanism is connected between two retainer ring and with movable semi-ring, and driving activity semi-ring is movable between two retainer ring, pressure transducer is arranged on each face of driving mechanism and movable semi-ring to gather colonic pressure；
Described pressure transducer includes: membrane casing, is fixedly installed on the sealing-plug of membrane casing side, is fixedly installed on sealing-plug contact silicone oil side the circuit board that is connected with holding wire, wherein: circuit board is provided with sensor die to gather the transmission colonic pressure from membrane casing and built-in silicone oil；
Described driving mechanism includes: micromachine and gear reduction box, wherein: the input of gear reduction box is connected with the output shaft of micromachine and movable semi-ring respectively with output.
2. 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.
3. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 2, is characterized in that, described notch is by being arranged at the movable upper surface of semi-ring and the baffle plate of side or being realized by the surface configuration cavity in retainer ring.
4. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 2, is characterized in that, described retainer ring is the circulus of the hinged composition of multistage arcuate member, and the circulus outside of this retainer ring connects with being connected holder pivots.
5. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 1, is characterized in that, described connection support is open column shape body, and described driving mechanism is positioned at connection internal stent.
6. imitative puborectalis formula dicyclo artificial anal sphincter prosthese according to claim 1, is characterized in that, described retainer ring be provided externally 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104720931A CN104720931A (en) | 2015-06-24 |
| CN104720931B true CN104720931B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| CN109875731B (en) * | 2019-04-03 | 2021-08-27 | 上海交通大学 | Contact type artificial anal sphincter prosthesis limit protection switch 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 |
| 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 |
| CN112869911B (en) * | 2020-12-18 | 2023-07-21 | 中山大学附属第六医院 | Implanted artificial anus |
Family Cites Families (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
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Granted publication date: 20160706 Termination date: 20190330 |