CN102166139B - Artificial puborectalis function replacing device - Google Patents
Artificial puborectalis function replacing device Download PDFInfo
- Publication number
- CN102166139B CN102166139B CN 201110082687 CN201110082687A CN102166139B CN 102166139 B CN102166139 B CN 102166139B CN 201110082687 CN201110082687 CN 201110082687 CN 201110082687 A CN201110082687 A CN 201110082687A CN 102166139 B CN102166139 B CN 102166139B
- Authority
- CN
- China
- Prior art keywords
- puborectalis
- artificial
- replacing device
- ring
- marmem
- 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
Images
Landscapes
- Prostheses (AREA)
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 a kind of artificial puborectalis function replacing device.
Background technology
When occurring such as following situation, artificial puborectalis function replacing device can be applied, and is impaired or because the puborectalis that surgical operation or wound cause is impaired such as the puborectal nerve that causes because of puerpera's production wound.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 the retrieval to prior art, Japanese documentation number special permission discloses a kind of artificial puborectalis function replacing device No. 4225722, this artificial puborectalis function replacing 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 simultaneously/closed intestinal tube.Artificial puborectalis function replacing 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 to 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 is compact, the space between rumpbone and the rectum may have the intervention of other tissues, and the installation of artificial puborectalis function replacing device 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 replacing 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 large, the pressure that provides is also enough large, 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 limitation element, wherein: the two ends of position limitation element are a symmetrical end that connects two ring-type positioners respectively, the two ends of marmem plate are the symmetrical other end that connects two ring-type positioners respectively, and marmem plate and position limitation 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 fixedly connected with the end of position limitation element, one end of non-blind end and connector plugs, and the other end of connector is fixedly connected with the end of marmem plate.
Described locating ring is fixed in outside the intestinal tube.
The contacted side of described marmem plate and position limitation element is provided with silica gel plate.
Described position limitation element is flexible, inextensibility, the thin slice with biocompatibility, this element can be at marmem plate position movement by geometry site restriction intestinal tube during to the intestinal tube lateral bend, simultaneously and the marmem plate together intestinal tube is played the compressing closing function.
The present invention is simple in structure, takes up room in vivo little, can control the switching of intestinal tube, realizes substituting the function of puborectalis.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is schematic perspective view of the present invention.
Fig. 3 is the alteration of form schematic diagram of the marmem plate in the artificial puborectalis function replacing device among the embodiment.
Fig. 4 a is embodiment working state schematic representation under the just restraining state.
Fig. 4 b is embodiment working state schematic representation under the defecation state.
The specific embodiment
The below elaborates to embodiments of the invention, and the present embodiment is implemented under take technical solution of the present invention as prerequisite, 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, the present embodiment comprises: marmem plate 1, ring-type positioner 2 and position limitation element 5, wherein: the two ends of position limitation element 5 are a symmetrical end that connects two ring-type positioners 2 respectively, the two ends of marmem plate 1 are the symmetrical other end that connects two ring-type positioners 2 respectively, and marmem plate 1 and position limitation 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.First 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 respectively the Connection Element 3 of a pair of ring-type positioner 2 one ends, simultaneously in a pair of ring-type positioner 2, make intestinal tube pass respectively the locating ring 4 of its other end, artificial puborectalis function replacing device is fixed on the intestinal tube 7, and position limitation element 5 is selected the nonwoven cloth material of good biocompatibility, its two ends link to each other with a pair of locating ring 4 respectively, and intestinal tube 7 is limited between position limitation element 5 and the marmem plate 1.
Described ring-type positioner 2 comprises: locating ring 4 and connector 3, wherein: locating ring 4 is fixedly connected with the end of position limitation element 5 for non-closed circular structure and its arc end, one end of non-blind end and connector 3 plugs, and the other end of connector 3 is fixedly connected with the end 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 limitation element 5 contacted sides.
As shown in Figure 3, when heating or cooling, reversible change of shape can occur 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 subject to is removed, and intestinal tube is opened.The mode of heating of this moment is the energising mode of heating, and the 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, such 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 limitation element 5 can according to the thickness degree of intestinal tube not square one regulate, intestinal tube is realized opening or the closed function of safety.
Below will the example application of the artificial puborectalis function replacing 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 replacing 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 replacing 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 (3)
1. artificial puborectalis function replacing device, comprise: marmem plate, ring-type positioner and position limitation element, it is characterized in that: the two ends of position limitation element are a symmetrical end that connects two ring-type positioners respectively, the two ends of marmem plate are the symmetrical other end that connects two ring-type positioners respectively, and marmem plate and position limitation 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 fixedly connected with the end of position limitation element, one end of non-blind end and connector plugs, and the other end of connector is fixedly connected with the end of marmem plate.
2. artificial puborectalis function replacing device according to claim 1 is characterized in that, described locating ring is fixed in outside the intestinal tube.
3. artificial puborectalis function replacing device according to claim 1 and 2 is characterized in that, a side of described marmem plate and position limitation elements relative 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 CN102166139A (en) | 2011-08-31 |
| CN102166139B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3085333B1 (en) * | 2015-04-23 | 2019-06-05 | Arquimea Ingenieria, S.L.U. | Remote-controlled extra-uretral occlusive valve |
Family Cites Families (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 |
| JP3910020B2 (en) * | 2001-03-08 | 2007-04-25 | 敏行 ▲高▼木 | Artificial sphincter |
| 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 |
| CN101049269B (en) * | 2006-04-03 | 2010-12-29 | 孟坚 | Medical use obstruction appliance |
-
2011
- 2011-04-02 CN CN 201110082687 patent/CN102166139B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102166139A (en) | 2011-08-31 |
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 | |
| CN108338853A (en) | A kind of tissue compression device | |
| CN102166139B (en) | Artificial puborectalis function replacing device | |
| CN102871773B (en) | Electromagnetic-controlled artificial anal sphincter apparatus based on rectum sensing function | |
| ITRM20100400A1 (en) | ARTIFICIAL SPINTERS IN FORM OF MEMORY. | |
| 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 | |
| CN209916104U (en) | Implantable controllable vascular occlusion device | |
| CN100528106C (en) | Magnetostriction type artificial anus sphincter system | |
| CN207575292U (en) | A kind of tissue compression device | |
| CN208492202U (en) | The controllable vascular occlusion device of flush type | |
| EP2092912A1 (en) | Artificial contractile structure | |
| US20130041207A1 (en) | Shape memory controller | |
| CN211797152U (en) | Novel specially-made stomatal hernia bellyband | |
| JP4225722B2 (en) | Artificial anal sphincter used to open and close the rectum | |
| CN116421370A (en) | Sliding block type artificial anal sphincter device capable of clamping intestinal canal tissue with constant force | |
| CN201098257Y (en) | Antrum auris reduction device | |
| JP2004089457A (en) | Implant | |
| CN101185599A (en) | Antrum auris repair device | |
| JPS62164459A (en) | Artificial urethra sphincter | |
| Luo et al. | Design of SMA actuator based access device for transanal endoscopic microsurgery |
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 |
Granted publication date: 20130501 Termination date: 20160402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |