CN107049557B - Totally enclosed type anal sphincter prosthese - Google Patents
Totally enclosed type anal sphincter prosthese Download PDFInfo
- Publication number
- CN107049557B CN107049557B CN201710403701.3A CN201710403701A CN107049557B CN 107049557 B CN107049557 B CN 107049557B CN 201710403701 A CN201710403701 A CN 201710403701A CN 107049557 B CN107049557 B CN 107049557B
- Authority
- CN
- China
- Prior art keywords
- ring
- sleeve
- middle ring
- swing arm
- fixed
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/08—Muscles; Tendons; Ligaments
- A61F2002/0894—Muscles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0008—Fixation appliances for connecting prostheses to the body
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Rehabilitation Therapy (AREA)
- Rheumatology (AREA)
- Cardiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
A kind of totally enclosed type anal sphincter prosthese, including:Upper fixed ring, lower fixed ring, middle ring swing arm, middle ring sleeve, upper ring cap cylinder, motor sleeve and round adapter plate for circuit, wherein:Upper ring cap jacket casing is set to the upper end of middle ring sleeve, middle ring sleeve jacket casing is set to motor sleeve upper end, upper fixed ring is fixed on upper ring cap cylinder, middle ring swing arm one end is sheathed on middle ring sleeve lower end, lower fixed ring is fixed on motor sleeve lower end, middle ring sleeve is equipped with arc opening with middle ring swing arm junction side wall and is cased with ring gear, motor sleeve upper end is equipped with reduction box, output gear is meshed with ring gear in reduction box, ring gear is fixedly connected with middle ring swing arm, adapter plate for circuit is set to the top of upper ring cap cylinder, the present invention manufactures part using nylon material, alleviate mechanism weight, substantially reduce the process-cycle simultaneously, reduce difficulty of processing, mechanism interior cabling lift-off seal effect, effectivelying prevent liquid to be leaked into along electric wire in-house causes reduction box and control circuit to damage.
Description
Technical field
The present invention relates to a kind of technology of medical instruments field, specifically a kind of totally enclosed type anal sphincter is false
Body.
Background technology
Incontinence of faces is a kind of common disease clinically, refers to that anal sphincter loses the control that excrement and gas are discharged
Ability processed.Because of the missing of anal sphincter function, patient can not perceive excrement accumulation in enteron aisle, be unable to control defecation.
Artificial anal sphincter prosthese simulates the physiological function of normal external sphincter muscle of anus, can control defecation, is lost to treat stool
Prohibit.
Invention content
The present invention is inaccurate for existing apparatus Stroke Control, is easy to happen and scratches enteron aisle, tissue fluid leakage, driver
The defects of structure failure, proposes a kind of totally enclosed type anal sphincter prosthese, by the structure of innovation is related to that machine is greatly reduced
While structure weight, difficulty of processing is reduced, mechanism interior cabling lift-off seal effect effectively prevent liquid to be leaked into along electric wire
It is in-house that reduction box and control circuit is caused to damage.
The present invention is achieved by the following technical solutions:
The present invention includes:Upper fixed ring, lower fixed ring, middle ring swing arm, middle ring sleeve, upper ring cap cylinder, motor sleeve and
Round adapter plate for circuit, wherein:Upper ring cap jacket casing is set to the upper end of middle ring sleeve, and middle ring sleeve jacket casing is set to motor sleeve upper end,
Upper fixed ring is fixed on upper ring cap cylinder, and middle ring swing arm one end is sheathed on middle ring sleeve lower end, and lower fixed ring is fixed on motor sleeve
The side wall of lower end, middle ring sleeve and middle ring swing arm junction is equipped with arc opening and is cased with ring gear, and motor sleeve upper end is equipped with
Reduction box, output gear is meshed with ring gear in reduction box, and ring gear is fixedly connected with middle ring swing arm, and adapter plate for circuit is set to
The top of upper ring cap cylinder.
The upper fixed ring and the wall surface of upper ring cap cylinder junction are equipped with cable-through hole.
The middle ring swing arm and the wall surface of middle ring sleeve junction are equipped with cable-through hole.
The middle ring swing arm is arc-shaped workpiece, and arc-shaped workpiece is made of four sections of different circular arcs of radius, four arcs radius according to
Secondary is R1、R2、R3And R4, and radius is R1And R3Circular arc it is concentric.
The reduction box includes:Wall surface is equipped with support tube, cover board and the reducing gear train of arc-shaped slit, wherein:Support tube
Lower end is connected with motor sleeve top, and cover board is set to support tube upper port, and reducing gear train is set in support tube, reducing gear
The output gear of train stretches out support tube by arc-shaped slit.
The inner wall of the upper ring cap cylinder, middle ring sleeve and motor sleeve is equipped with for the axially grooved of wiring.
The upper surface of the upper fixed ring and inner peripheral surface are equipped with the sensing tank for placement force sensor, upper solid
Determine ring lower surface and is equipped with protrusion with upper surface sensing tank corresponding position.
The upper surface of the middle ring swing arm and cancave cambered surface are equipped with the sensing tank for placement force sensor.
Sealing ring is equipped between the upper ring cap cylinder and middle ring sleeve, middle ring sleeve and motor sleeve.
Upper fixed ring, lower fixed ring and the middle ring swing arm material is nylon.
Description of the drawings
Fig. 1 is overall structure of the present invention;
Fig. 2 is sleeve combination schematic diagram;
Fig. 3 is upper fixed ring structural schematic diagram;
Fig. 4 is middle ring swing arm structure schematic diagram;
Fig. 5 is upper fixed ring upper surface sensor slot structure schematic diagram;
Fig. 6 is upper fixed ring inner peripheral surface sensor slot structure schematic diagram;
Fig. 7 is line arrangement schematic diagram;
Fig. 8 is middle ring swing arm swing angle schematic diagram;
In figure:Fixed ring, 2 adapter plate for circuit, 3 upper ring cap cylinders, 4 cover boards, 5 gear ring sleeves, 6 support tubes, 7 reducing gears on 1
Under train, 8 ring gears, 9 motor sleeves, 10O types circle, 11 motors, 12 middle ring sleeves, 13 middle ring swing arms, 14 times ring flange disks, 15
Fixed ring, 16 Hall elements, 17 cable-through holes.
Specific implementation mode
As shown in Figure 1, the present embodiment includes:Upper fixed ring 1, lower fixed ring 15, middle ring swing arm 13, middle ring sleeve 12, on
Ring sleeve 3, motor sleeve 9 and round adapter plate for circuit 2, wherein:Upper ring cap cylinder 3 is sheathed on the upper end of middle ring sleeve 12, in
Ring sleeve 12 is sheathed on 9 upper end of motor sleeve, upper fixed ring 1 is fixed on upper ring cap cylinder 3,13 one end of middle ring swing arm and is sheathed on
Ring sleeve 12, lower fixed ring 15 are fixed on 9 lower end of motor sleeve, and middle ring sleeve 12 is equipped with arc with 13 junction side wall of middle ring swing arm
Shape is open and is cased with ring gear 8, and 9 upper end of motor sleeve is equipped with reduction box, and output gear is meshed with ring gear 8 in reduction box,
Ring gear 8 is fixedly connected with middle ring swing arm 13, and adapter plate for circuit 2 is set to the top of upper ring cap cylinder 3.
As shown in Fig. 2, the upper ring cap cylinder 3, middle ring sleeve 12 and motor sleeve 9 are coaxially disposed.3 sets of upper ring cap cylinder
Set on the top of middle ring sleeve 12, set between upper ring cap cylinder 3 and middle ring sleeve 12 there are two butyl rubber O-ring 10 it is close to realize
Envelope.Motor 11 is equipped in motor sleeve 9,9 top of motor sleeve is pierced into completely in middle ring sleeve 12, the lower end dew of motor sleeve 9
Go out.O-ring 10 also is provided between motor sleeve 9 and middle ring sleeve 12.The lower port of motor sleeve 9 is equipped with lower ring flange disk 14,
Lower ring flange disk 14 is connect with lower fixed ring 15.
As described in Figure 3,1 peripheral surface of upper fixed ring is connected with connection annulus, which is sheathed on upper ring cap cylinder 3
Top.The wall surface of upper fixed ring 1 and 3 junction of upper ring cap cylinder is equipped with cable-through hole 17, and upper surface and inner peripheral surface, which are equipped with, to be used
In the sensing tank of placement force sensor.Cable-through hole 17 is communicated with sensing tank, so that the connecting line of pressure sensor enters
In upper ring cap cylinder 3.Upper fixed ring 1 is equipped with movable notch, which is hinged with arc connection strap to form complete circle
Ring.The structure and upper fixed ring 1 of lower fixed ring 15 are identical.
As shown in figure 4,13 butt of middle ring swing arm is sheathed on middle ring sleeve 12, middle ring swing arm 13 and middle ring sleeve 12
The wall surface of junction is equipped with cable-through hole 17, and upper surface and cancave cambered surface are equipped with the sensing tank for placement force sensor.
Cable-through hole 17 is communicated with sensing tank, so that the connecting line of pressure sensor enters in middle ring sleeve 12.Middle ring swing arm 13 is arc
Shape part, arc-shaped workpiece are made of four sections of different circular arcs of radius, and four arcs radius is followed successively by R1、R2、R3And R4, and radius is R1With
R3Circular arc it is concentric.
As shown in figure 5, the arc radius that the sensing tank of 1 upper surface of upper fixed ring projects in an axial direction is R5, edge
The arc radius of radially projecting is R6.The outer profile of sensing tank some upper surface beyond ring in axial direction,
I.e. upper 1 lower surface of fixed ring and sensing tank corresponding position protrusion, it is pressure sensitive area to be packed into the protrusion formed after sensor,
It is in direct contact with rectum, measures axial colonic pressure.
As shown in fig. 6, the sensing tank of 1 inner peripheral surface of upper fixed ring in an axial direction be projected as three sections of radiuses it is different and
The circular arc R of decentration7、R8And R9, three sections of circular arc decentrations, sensing the Internal periphery of tank, some is super radially upper
Go out the inner surface of ring, it is pressure sensitive area to be packed into the protrusion formed after sensor, is in direct contact with rectum, and enteron aisle diameter is measured
To pressure.
As shown in fig. 7, the reduction box includes:Wall surface is equipped with support tube 6, cover board 4 and the reducing gear train of arc-shaped slit
7, wherein:6 lower end of support tube is connected with 9 top of motor sleeve, and cover board 4 is set to 6 upper port of support tube, and reducing gear train 7 is set
It is placed in support tube 6, the output gear of reducing gear train 7 stretches out support tube 6 by arc-shaped slit, and 4 top of cover board is equipped with Hall element
16.Middle ring sleeve 12 is equipped with arc opening with 13 junction side wall of middle ring swing arm and is cased with ring gear 8,9 corresponding positions of motor sleeve
It sets and also is provided with arc opening.Arc opening and the output gear of reducing gear train 7 of 8 sets of the ring gear by middle ring sleeve 12 are nibbled
It closes, ring gear 8 is connected with middle ring swing arm 13 by screw threads for fastening.The top of ring gear 8 is connected with gear ring sleeve 5, on gear ring sleeve 5
Equipped with 16 matched magnet of Hall element, gear ring sleeve 5 is rotated synchronously with ring gear 8.Adapter plate for circuit 2 is set to cover board 4
Top is located at the top of upper ring cap cylinder 3.
The inner wall of the upper ring cap cylinder, middle ring sleeve and motor sleeve is equipped with for the axially grooved of wiring.Upper fixation
Circuit of the pressure sensor circuit through cable-through hole 17 and Hall element 16 in ring 1 is pooled to adapter plate for circuit 2, passes through lid later
The arc opening of plate 4, support tube 6 and motor sleeve 9 is pooled between motor 11 and motor sleeve 9.Pressure in middle ring swing arm 13
Force snesor circuit is pooled to through cable-through hole 17 between motor 11 and motor sleeve 9.
As shown in figure 8, movement ranging from α is 50 ° when the middle ring swing arm 13 works normally, when pressure sensor fails
When, extreme sport ranging from α ' defined by Hall element 16 is 60 °.
Compared with prior art, the present invention manufactures part using the preferable nylon material of biocompatibility, alleviates machine
Structure weight, while the process-cycle is substantially reduced, difficulty of processing is reduced, mechanism interior cabling, lift-off seal effect can be effective
It prevents liquid from being leaked into along electric wire in-house, reduction box and control circuit is caused to damage.Middle ring for enteron aisle to be clamped is put
Arm is made of four sections of different circular arcs of radius, its movement locus is drawn a circle to approve without departing from upper and lower fixed ring when guarantee middle ring moves
Range, swing arm tip will not scratch enteron aisle and its intraperitoneal hetero-organization, after sensor is fitted into slot, the part in ring arm and ring
Arm is tightly chimeric, prevents sensor from skidding off vallecular cavity, and the part for exposing ring arm is convex, realizes flexible contact with enteron aisle, and can
With effectively perceive colonic pressure.
Above-mentioned specific implementation can by those skilled in the art under the premise of without departing substantially from the principle of the invention and objective with difference
Mode carry out local directed complete set to it, protection scope of the present invention is subject to claims and not by above-mentioned specific implementation institute
Limit, each implementation within its scope is by the constraint of the present invention.
Claims (3)
1. a kind of totally enclosed type anal sphincter prosthese, which is characterized in that including:Upper fixed ring, nylon made of nylon are made
Lower fixed ring, middle ring swing arm, middle ring sleeve, upper ring cap cylinder, motor sleeve and round adapter plate for circuit made of nylon,
In:Upper ring cap jacket casing is set to the upper end of middle ring sleeve, and middle ring sleeve jacket casing is set to motor sleeve upper end, and upper fixed ring is fixed on ring
Sleeve, middle ring swing arm one end are sheathed on middle ring sleeve lower end, and lower fixed ring is fixed on motor sleeve lower end, middle ring sleeve and middle ring
The side wall of swing arm junction is equipped with arc opening and is cased with ring gear, and motor sleeve upper end is equipped with reduction box, is exported in reduction box
Gear is meshed with ring gear, and ring gear is fixedly connected with middle ring swing arm, and adapter plate for circuit is set to the top of upper ring cap cylinder, upper ring
Sealing ring is equipped between sleeve and middle ring sleeve, middle ring sleeve and motor sleeve;
The wall surface of the upper fixed ring and upper ring cap cylinder junction is equipped with cable-through hole, and upper surface and inner peripheral surface, which are equipped with, to be used for
The sensing tank of placement force sensor, cable-through hole is communicated with sensing tank, so that the connecting line of pressure sensor enters upper ring
In sleeve;
The middle ring swing arm and the wall surface of middle ring sleeve junction are equipped with cable-through hole;
The upper surface of the middle ring swing arm and cancave cambered surface are equipped with the sensing tank for placement force sensor, cable-through hole and biography
Sensor slot communicates, so that the connecting line of pressure sensor enters in middle ring sleeve, which is arc-shaped workpiece, and arc-shaped workpiece is by four
The different circular arc composition of section radius, four arcs radius are followed successively by R1、R2、R3And R4, and radius is R1And R3Circular arc it is concentric;
The reduction box includes:Wall surface is equipped with support tube, cover board and the reducing gear train of arc-shaped slit, wherein:Support tube lower end
It is connected with motor sleeve top, cover board is set to support tube upper port, and reducing gear train is set in support tube, reducing gear train
Output gear support tube is stretched out by arc-shaped slit.
2. totally enclosed type anal sphincter prosthese according to claim 1, characterized in that the upper ring cap cylinder, middle ring
Sleeve and the inner wall of motor sleeve are equipped with for the axially grooved of wiring.
3. totally enclosed type anal sphincter prosthese according to claim 2, characterized in that the upper table of the upper fixed ring
Face and inner peripheral surface are equipped with the sensing tank for placement force sensor, and upper fixed ring lower surface senses tank pair with upper surface
It should locate to be equipped with protrusion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710403701.3A CN107049557B (en) | 2017-06-01 | 2017-06-01 | Totally enclosed type anal sphincter prosthese |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710403701.3A CN107049557B (en) | 2017-06-01 | 2017-06-01 | Totally enclosed type anal sphincter prosthese |
Publications (2)
Publication Number | Publication Date |
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CN107049557A CN107049557A (en) | 2017-08-18 |
CN107049557B true CN107049557B (en) | 2018-08-17 |
Family
ID=59617498
Family Applications (1)
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CN201710403701.3A Expired - Fee Related CN107049557B (en) | 2017-06-01 | 2017-06-01 | Totally enclosed type anal sphincter prosthese |
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CN (1) | CN107049557B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109674559A (en) * | 2017-10-18 | 2019-04-26 | 上海交通大学 | Imitative pubis artificial anal sphincter prosthese |
CN107928840B (en) * | 2017-12-05 | 2019-05-28 | 上海交通大学 | Implantation biomimetic prosthetic anal sphincter prosthese in situ with independent swing arm structure |
CN109875731B (en) * | 2019-04-03 | 2021-08-27 | 上海交通大学 | Contact type artificial anal sphincter prosthesis limit protection switch device |
CN113855347B (en) * | 2021-09-27 | 2023-06-02 | 上海理工大学 | Dual-joint artificial anal sphincter device with constant force clamping function |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6432038B1 (en) * | 2001-02-15 | 2002-08-13 | Ramesh Bakane | Artificial urinary sphincter |
US6749556B2 (en) * | 2002-05-10 | 2004-06-15 | Scimed Life Systems, Inc. | Electroactive polymer based artificial sphincters and artificial muscle patches |
JP2008510590A (en) * | 2004-08-25 | 2008-04-10 | パヴァド・メディカル・インコーポレーテッド | Artificial sphincter |
EP1945150A1 (en) * | 2005-10-14 | 2008-07-23 | Continence Control Systems International PTY Ltd. | A method and apparatus for treating fecal incontinence |
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 |
CN104799970B (en) * | 2015-04-22 | 2016-10-05 | 上海交通大学 | Swing arm structure and imitative puborectalis formula dicyclo artificial anal sphincter prosthese thereof in the middle of self adaptation |
CN106137460B (en) * | 2016-07-15 | 2017-10-03 | 上海交通大学 | Position limitation protection formula anal sphincter prosthese |
-
2017
- 2017-06-01 CN CN201710403701.3A patent/CN107049557B/en not_active Expired - Fee Related
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Publication number | Publication date |
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CN107049557A (en) | 2017-08-18 |
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Granted publication date: 20180817 |