CN102166139A - Artificial puborectalis function replacing device - Google Patents
Artificial puborectalis function replacing device Download PDFInfo
- Publication number
- CN102166139A CN102166139A CN2011100826874A CN201110082687A CN102166139A CN 102166139 A CN102166139 A CN 102166139A CN 2011100826874 A CN2011100826874 A CN 2011100826874A CN 201110082687 A CN201110082687 A CN 201110082687A CN 102166139 A CN102166139 A CN 102166139A
- Authority
- CN
- China
- Prior art keywords
- puborectalis
- position limiting
- limiting element
- artificial
- ring
- 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.)
- Granted
Links
Images
Abstract
The invention provides an artificial puborectalis function replacing device belonging to the technical field of medical appliances. The device provided by the invention comprises a shape memory alloy board, two annular positioning devices and a position limiting element, wherein the two ends of the position limiting element are symmetrically connected with one ends of the two annular positioning devices respectively, the two ends of the shape memory alloy board are symmetrically connected with the other ends of the two annular positioning devices respectively, and the shape memory alloy board and the position limiting element are arranged in a mirror symmetry mode. The device provided by the invention has little interference with the tissues around the intestinal tract, the shape of the device can be repeatedly changed, the shape changing quantity of the device is large enough, and the pressure provided by the device is large enough. Thus, the device can be used as a natural puborectalis function replacing device.
Description
Technical field
What the present invention relates to is a kind of device of technical field of medical instruments, specifically is a kind of artificial puborectalis function replacement device.
Background technology
When occurring such as following situation, artificial puborectalis function replacement device can be applied, as the puborectalis nerve damage that caused because of puerpera's production wound or because the puborectalis that surgical operation or wound cause is impaired.Puborectalis with its loosen/tensioning can open/close the rectum intestinal tube, its normal function has important effect for the restraining of human body stool, the afunction of puborectalis can cause sufferer the symptom of fecal incontinence to occur, for patient's daily life brings inconvenience.At present medically still immature to this Therapeutic Method.
Find through retrieval prior art, Japanese documentation number special permission discloses a kind of artificial puborectalis function replacement device No. 4225722, this artificial puborectalis function replacement device comprises a block-shaped memorial alloy, the one end is fixed in the tail end of human body rumpbone, one end is against on the rear side intestinal wall of rectum, energising is heated marmem, thereby has changed the shape of marmem and opened/closed intestinal tube simultaneously.Artificial puborectalis function replacement device in the document has realized that puborectalis opens/close the function of intestinal tube, and can produce enough locking pressure, excremental leakage can not occur.But, in this technology, an end of marmem need be fixedly secured at the rumpbone tail end, the realization of this purpose acquires a certain degree of difficulty, and may cause the damage of rumpbone and bring pain.In addition, because human body pelvic part complex structure compactness, the space between rumpbone and the rectum may have the intervention of other tissues, and artificial puborectalis function replacement Unit Installation is brought difficulty, and the function of this device is realized also can bringing interference.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of artificial puborectalis function replacement device is provided, this device is installed in intestinal outer wall and few with the interference of surrounding tissue, shape can repeat to change and its alteration of form amount enough big, the pressure that provides is also enough big, can be as the function replacement device of natural puborectalis.
The present invention is achieved by the following technical solutions, the present invention includes: marmem plate, ring-type positioner and position limiting element, wherein: the two ends of position limiting element are an end of two ring-type positioners of symmetry connection respectively, the two ends of marmem plate are the other end of two ring-type positioners of symmetry connection respectively, and marmem plate and position limiting element are mirror image and are symmetrical arranged.
Described ring-type positioner comprises: locating ring and connector, wherein: locating ring is that non-closed circular structure and its arc end are fixedlyed connected with the terminal of position limiting element, one end of non-blind end and connector plugs, and the other end of connector is fixedlyed connected with the terminal of marmem plate.
Described locating ring is fixed in outside the intestinal tube.
The contacted side of described marmem plate and position limiting element is provided with silica gel plate.
Described position limiting element is flexible, inextensibility, the thin slice with biocompatibility, this element can move by the position of geometry site restriction intestinal tube when the intestinal tube lateral bending is bent at the marmem plate, and while and marmem plate play the compressing closing function to intestinal tube together.
The present invention is simple in structure, and it is little to take up room in vivo, can control the switching of intestinal tube, realizes substituting the function of puborectalis.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is the alteration of form sketch map of the marmem plate in the artificial puborectalis function replacement device among the embodiment.
Fig. 4 a is embodiment working state schematic representation under the just restraining state.
Fig. 4 b is an embodiment working state schematic representation under the defecation state.
The specific embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: marmem plate 1, ring-type positioner 2 and position limiting element 5, wherein: the two ends of position limiting element 5 are an end of two ring-type positioners 2 of symmetry connection respectively, the two ends of marmem plate 1 are the other end of two ring-type positioners 2 of symmetry connection respectively, and marmem plate 1 and position limiting element 5 are mirror image and are symmetrical arranged.
Described marmem plate 1 is 70 millimeters of block lengths, wide 18 millimeters, thick 0.7 millimeter and possess the Ti-Ni alloy of bidirectional shape memory characteristic.Earlier the marmem plate is constrained to radius of curvature and is 50 millimeters shape, under 800 ℃, heat-treated 15 minutes, and then marmem is constrained to writing board shape, in nitrogen atmosphere, carry out 100 hours Ageing Treatment under 400 ℃.If be heated to 60 ℃, the shape when this marmem plate can return to Ageing Treatment becomes approximate straight plate shape.If be cooled near the body temperature, this marmem plate shape can change, and crooked round about, radius of the radian is about 40 millimeters.
Need a two-way shape memory alloys plate 1 of so making during use, the two ends of this marmem plate 1 connect the Connection Element 3 of a pair of ring-type positioner 2 one ends respectively, simultaneously in a pair of ring-type positioner 2, make intestinal tube pass the locating ring 4 of its other end respectively, so that artificial puborectalis function replacement device is fixed on the intestinal tube 7, and position limiting element 5 is selected the nonwoven cloth material of good biocompatibility for use, its two ends link to each other with a pair of locating ring 4 respectively, and intestinal tube 7 is limited between position limiting element 5 and the marmem plate 1.
Described ring-type positioner 2 comprises: locating ring 4 and connector 3, wherein: locating ring 4 is that non-closed circular structure and its arc end are fixedlyed connected with the terminal of position limiting element 5, one end of non-blind end and connector 3 plugs, and the other end of connector 3 is fixedlyed connected with the terminal of marmem plate 1.
Described locating ring 4 is fixed in outside the intestinal tube.
Described marmem plate 1 is provided with silica gel plate 6 with position limiting element 5 contacted sides.
As shown in Figure 3, when heating or cooling, reversible change of shape can take place in marmem plate 1 between two difformities.
What Fig. 4 a showed is under the body temperature state, and marmem plate 1 is curved shape, and therefore, intestinal tube 7 is subjected to the contention effect of auto levelizer between marmem plate and positioner, be closed.
In contrast, the state that Fig. 4 b shows when being open, marmem plate 1 is heated and returns to suffered contained dull and stereotyped state when Ageing Treatment, and the pressure that this moment, intestinal tube 7 was subjected to is removed, and intestinal tube is opened.The mode of heating of this moment is the energising mode of heating, and modes such as electromagnetic induction, fluid media (medium) heating also can be used.
Herein, the marmem that is used for this two-way shape memory alloys element has more than and is confined to Ti-Ni alloy, it also can be the two-way shape memory alloys of any other kind, as copper-based shape memory alloy or iron-base marmem, but needs are considered the biocompatibility of shape memory alloy component.
Herein, the length of position limiting element 5 can according to the thickness degree of intestinal tube not square one regulate, intestinal tube is realized the opening or the closed function of safety.
Below will the example application of the artificial puborectalis function replacement device of the embodiment of the invention be illustrated.
Shown in Fig. 4 a, be bonded on the marmem plate 1 as the electric heating piece of heater, with unidirectional current electric heating piece is heated.
In the performance verification experiment of installing the Intestinum Sus domestica pipe additional, artificial puborectalis function replacement device is contained on the Intestinum Sus domestica pipe close with human intestinal tube size.Under the situation of heating and cooling, the affirmation device can be realized the function of open and close intestinal tube respectively.Utilize the digestive tract power instrument, intestinal making capacity to artificial puborectalis function replacement device is evaluated and tested, the result shows that this device can provide the intestinal tube that reaches 65.75 millimetress of mercury clossing pressure, satisfies the demand that normal person's anal canal rest under inhibition defecation state is pressed in 47～71 millimetres of mercury scopes.
Claims (4)
1. artificial puborectalis function replacement device, comprise: marmem plate, ring-type positioner and position limiting element, it is characterized in that: the two ends of position limiting element are an end of two ring-type positioners of symmetry connection respectively, the two ends of marmem plate are the other end of two ring-type positioners of symmetry connection respectively, and marmem plate and position limiting element are mirror image and are symmetrical arranged.
2. artificial puborectalis function replacement device according to claim 1, it is characterized in that, described ring-type positioner comprises: locating ring and connector, wherein: locating ring is that non-closed circular structure and its arc end are fixedlyed connected with the terminal of position limiting element, one end of non-blind end and connector plugs, and the other end of connector is fixedlyed connected with the terminal of marmem plate.
3. artificial puborectalis function replacement device according to claim 2 is characterized in that described locating ring is fixed in outside the intestinal tube.
4. according to the described artificial puborectalis function replacement device of above-mentioned arbitrary claim, it is characterized in that the contacted side of described marmem plate and position limiting element is provided with silica gel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110082687 CN102166139B (en) | 2011-04-02 | 2011-04-02 | Artificial puborectalis function replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110082687 CN102166139B (en) | 2011-04-02 | 2011-04-02 | Artificial puborectalis function replacing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102166139A true CN102166139A (en) | 2011-08-31 |
| CN102166139B CN102166139B (en) | 2013-05-01 |
Family
ID=44487588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110082687 Expired - Fee Related CN102166139B (en) | 2011-04-02 | 2011-04-02 | Artificial puborectalis function replacing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102166139B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3085333A1 (en) * | 2015-04-23 | 2016-10-26 | Arquimea Ingenieria, S.L.U. | Remote-controlled extra-uretral occlusive valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926175A (en) * | 1974-06-03 | 1975-12-16 | James H Allen | Implantable valve for medical purposes |
| CN1374072A (en) * | 2001-03-08 | 2002-10-16 | Nec东金株式会社 | Artificial sphincter muscle |
| CN101035487A (en) * | 2004-08-25 | 2007-09-12 | 帕瓦德医学公司 | Artificial sphincter |
| CN101049269A (en) * | 2006-04-03 | 2007-10-10 | 孟坚 | Medical use obstruction appliance |
-
2011
- 2011-04-02 CN CN 201110082687 patent/CN102166139B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926175A (en) * | 1974-06-03 | 1975-12-16 | James H Allen | Implantable valve for medical purposes |
| CN1374072A (en) * | 2001-03-08 | 2002-10-16 | Nec东金株式会社 | Artificial sphincter muscle |
| CN101035487A (en) * | 2004-08-25 | 2007-09-12 | 帕瓦德医学公司 | Artificial sphincter |
| CN101049269A (en) * | 2006-04-03 | 2007-10-10 | 孟坚 | Medical use obstruction appliance |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3085333A1 (en) * | 2015-04-23 | 2016-10-26 | Arquimea Ingenieria, S.L.U. | Remote-controlled extra-uretral occlusive valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102166139B (en) | 2013-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2349676C (en) | Artificial sphincter | |
| Fattorini et al. | Artificial muscle devices: innovations and prospects for fecal incontinence treatment | |
| JP4339933B2 (en) | Body fluid flow control device | |
| CA2802268C (en) | Medical device comprising an artificial contractile structure | |
| JP2008510590A5 (en) | ||
| CN108338853A (en) | A kind of tissue compression device | |
| CN102166139B (en) | Artificial puborectalis function replacing device | |
| CN100464725C (en) | Reparable fallopian tube contraception equipment | |
| ITRM20100400A1 (en) | ARTIFICIAL SPINTERS IN FORM OF MEMORY. | |
| CN107714128A (en) | The intelligent controllable vascular occlusion device of flush type | |
| EP3085333B1 (en) | Remote-controlled extra-uretral occlusive valve | |
| Ramesh et al. | Design of wireless real time artificial sphincter control system for urinary incontinence | |
| CN113558812B (en) | Enterostomy is with artifical anus controller | |
| JPH0751304A (en) | Artificial urethra constrictor | |
| CN211066779U (en) | Natural cavity endoscopic surgery auxiliary device | |
| CN209916104U (en) | Implantable controllable vascular occlusion device | |
| CN207575292U (en) | A kind of tissue compression device | |
| JP4225722B2 (en) | Artificial anal sphincter used to open and close the rectum | |
| EP2092912A1 (en) | Artificial contractile structure | |
| Tanaka et al. | Development of artificial urethral valve with transcutaneous energy transformer | |
| Tanaka et al. | Artificial urethral valve driven by SMA actuators with transcutaneous energy transmission system | |
| JP2004089457A (en) | Implant | |
| CN116421370A (en) | Sliding block type artificial anal sphincter device capable of clamping intestinal canal tissue with constant force | |
| Tanaka et al. | Development of mechanical SMA urethral valve with transcutaneous energy transmission system | |
| CN108966104A (en) | Utilize the auditory prosthesis of human motion automatic generation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20160402 |