CN202891870U - Self-stabilizing capsule endoscopy - Google Patents
Self-stabilizing capsule endoscopy Download PDFInfo
- Publication number
- CN202891870U CN202891870U CN 201220548849 CN201220548849U CN202891870U CN 202891870 U CN202891870 U CN 202891870U CN 201220548849 CN201220548849 CN 201220548849 CN 201220548849 U CN201220548849 U CN 201220548849U CN 202891870 U CN202891870 U CN 202891870U
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- capsule endoscope
- spring
- endoscope body
- afterbody
- steady
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Abstract
The utility model discloses a self-stabilizing capsule endoscopy which comprises a capsule endoscopy body, a spring and a thin casing, wherein the spring is made of a degradable and elastic biological material, and the thin casing is made of an enteric coated material. The spring is arranged at the tail portion of the capsule endoscopy body, one end of the spring is inserted into a tail casing of the capsule endoscopy body, and the spring in a compression state and the capsule endoscopy body are integrally wrapped into the thin casing. The self-stabilizing capsule endoscopy can prevent the head portion and the tail portion of the capsule endoscopy from being overturned, and self-stabilizing is achieved.
Description
Technical field
This utility model relates to medical device technology, relates in particular to a kind of from steady capsule endoscope.
Background technology
Since FDA Food and Drug Administration's approval was used for the inspection of disease of intestine, the characteristics such as capsule endoscope is simple, convenient, painless with it, noinvasive, safety obtained doctor, patient's favor from calendar year 2001 capsule endoscope (or claiming capsule endoscope).To 2009, there have been 750,000 people of surpassing to accept Capsule Endoscopy.Capsule endoscope is mainly used in the sick diagnosis such as Obscure gastrointestinal bleeding, Crohn disease, intestinal tumor at present, and in recent years because the development of technology, engendered the capsule endoscope that is used for checking esophagus and colon, the range of application of capsule endoscope is further enlarged, for the doctor of Gastroenterology dept. provides very large help.
Existing capsule endoscope system is comprised of capsule endoscope, image recorder and diagnosis picture and text work station three parts, wherein capsule endoscope is by biological plastics housing, led light source, optical lens, imageing sensor, image processor, battery, the compositions such as radio-frequency module, capsule endoscope has head and afterbody, and optical lens is positioned at the capsule endoscope head.The capsule per os is swallowed, in digestive tract because of the intestinal peristalsis promoting passive exercise, without the self power support, therefore, capsule endoscope method of operation in small intestinal is unpredictable often, it probably overturns in small intestinal, namely make the head of capsule endoscope and the situation that afterbody is turned, be difficult to keep uniform direction of advance, optical lens also is difficult to photograph the image of expection, this reads sheet to the clinician and adds to the difficulties, even may increase rate of missed diagnosis.
The utility model content
The purpose of this utility model just provides a kind of capsule from steady capsule endoscope, stops capsule endoscope head, afterbody upset, realizes from steady.
The purpose of this utility model can be achieved through the following technical solutions:
A kind ofly comprise the capsule endoscope body from steady capsule endoscope, it is characterized in that: the shell that also comprises by degradable and have spring that elastic biomaterial makes, made by enteric material; Described spring fitting is in the afterbody of capsule endoscope body, and an end of spring inserts the afterbody housing of capsule endoscope body, and is wrapped in the shell with compressive state and capsule endoscope body integral body.
On the basis of the above, this utility model can be done following improvement:
The thin film that the peripheral also tight parcel one deck of spring described in the utility model is made by biomaterial identical with spring is positioned at described shell internal layer.Spring by film wrapped after, both can prevent that Spring Card from pressing ileocecal valve, also can increase spring and shell contact area, prevent that the spring top of compressive state from wearing shell, protect shell not damaged.
The afterbody of capsule endoscope body described in the utility model has the installation through hole, and the installation through hole is passed in an end of described spring, and this end has disk, and this disk back-off is in the inner walls of capsule endoscope body.Disk can be blocked the installation through hole, when being beneficial to the stability that strengthens spring fitting, prevents that intestinal fluid from entering in the capsule endoscope body by installing hole.The inner walls of the afterbody of described capsule endoscope body is provided with waterproof membrane, and this waterproof membrane covers disk fully, enters in the capsule endoscope body by through hole is installed further to prevent intestinal fluid.
Compared with prior art, the utlity model has following beneficial effect:
(1) after capsule endoscope of the present utility model enters small intestinal, the shell disintegrate, spring can directly strut thin film and discharge, thereby lengthening entire length, capsule endoscope relies on small intestinal peristalsis to advance, and can not overturn because of its length greater than the small intestinal internal diameter, keeps direction of advance consistent, thereby so that captured picture is more continuous, stable, for readding sheet, the clinician provides effective help;
(2) this utility model structure and conventional capsule scope are similar, and spring is to be wrapped in the shell with compressive state, and volume is little, is convenient to user and takes.
Description of drawings
Fig. 1 is that this utility model is from the structural representation of steady capsule endoscope;
Fig. 2 is the enlarged drawing at A place among Fig. 1;
Fig. 3 is the structural representation after spring of the present invention discharges.
Among the figure: 1, capsule endoscope body; 11, through hole is installed; 12, housing; 2, spring; 21, disk; 3, shell; 4, thin film; 5, waterproof membrane.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Shown in Fig. 1～2, a kind of utilize above-mentioned capsule endoscope from steady method from steady capsule endoscope, comprise capsule endoscope body 1, by degradable and have spring 2 and the shell 3 that elastic biomaterial is made, shell 3 adopts enteric materials to make; Spring 2 is installed on the afterbody of capsule endoscope body 1, and an end of spring 2 inserts the afterbody housing of capsule endoscope body 1, and is wrapped in thin 3 shells with compressive state and capsule endoscope body 1 overall vacuum.The summation of the length of the natural length of spring 2 and capsule endoscope body 1 is about 6cm, greater than the small intestinal internal diameter.
Wherein, spring 2 is peripheral, and also closely parcel one decks are by the thin film 4 made from spring 2 identical biomaterials, and thin film 4 is positioned at shell 3 internal layers, so both can prevent that Spring Card from pressing enteral ileocecal valve; also can increase the contact area of spring and shell 3, thereby can protect shell 3 not damaged.Capsule endoscope body 1 adopts existing conventional capsule endoscope, comprise housing 12 and place led light source, optical lens, imageing sensor, image processor, battery in the housing 12, the compositions such as radio-frequency module, the capsule endoscope body has head and afterbody, and optical lens is positioned at the head of capsule endoscope body.
Select or arrange elastic modelling quantity, largest deformation amount and the plunger end area of spring, satisfy spring to the maximum pressure P of small intestinal intestinal wall
MaxCritical pressure P less than enteric perforation
Net, wear the small intestinal intestinal wall with the spring top after preventing from discharging, wherein:
P
max=σ
s×x/S （1），
P
net=t/R×σ
T （2），
In the formula (1), σ
sBe the elastic modelling quantity of spring, x is the largest deformation amount of spring, and S is the plunger end area of spring; The plunger end area of this spring refers to the area of the geometry (the present embodiment is for circular) that a spring end (being the other end of spring disk) dish system outwardly forms.
In the formula (2), t is the thickness of small intestinal intestinal wall, and R is the radius of small intestinal inwall, σ
TElastic modelling quantity for the small intestinal intestinal wall.
Can regulate the various physical properties that spring is set by in the material of spring, adding disintegrating agent.
The afterbody of this utility model capsule endoscope body 1 has installs through hole 11, one end of spring 2 is passed through hole 11 is installed, and this end has disk 21, these disk 21 back-offs are in the inner walls of capsule endoscope body 1, disk 21 keeps fitting tightly inwall, can block through hole 11 is installed, and be provided with waterproof membrane 5 in the afterbody inner walls of capsule endoscope body 1, guarantee the water resistance of capsule endoscope body 1.During the present embodiment mounting spring 2, be first the end of spring 2 to be inserted in the installation through hole 11 of unassembled capsule endoscope body 1, then coil rounding dish 21, again assemble capsule scope body 1.
This is after steady capsule endoscope enters the human small intestine, as shown in Figure 3, shell 3 and thin film 4 in ten minutes with disintegrate, spring 2 struts thin film 4 and discharges, and spring 2 is released into naturalness, forms an integral body with capsule endoscope body 1 and moves under small intestinal peristalsis, the increasing so that this certainly steady capsule endoscope takes up space of spring 2 after the elongation, entire length prevents that greater than the small intestinal internal diameter head, the afterbody of capsule endoscope body 1 from turning i.e. upset, realizes from steady.
Embodiment of the present utility model is not limited to this; according to foregoing of the present utility model; utilize ordinary skill knowledge and the customary means of this area; do not breaking away under the above-mentioned basic fundamental thought of this utility model prerequisite; this utility model can also be made modification, replacement or the change of other various ways, all drops within this utility model rights protection scope.
Claims (4)
1. one kind from steady capsule endoscope, comprises the capsule endoscope body, it is characterized in that: the shell that also comprises by degradable and have spring that elastic biomaterial makes, made by enteric material; Described spring fitting is in the afterbody of capsule endoscope body, and an end of spring inserts the afterbody housing of capsule endoscope body, and is wrapped in the shell with compressive state and capsule endoscope body integral body.
2. according to claim 1 from steady capsule endoscope, it is characterized in that: the thin film that the peripheral also tight parcel one deck of described spring is made by biomaterial identical with spring is positioned at described shell internal layer.
3. according to claim 1 from steady capsule endoscope, it is characterized in that: the afterbody of described capsule endoscope body has the installation through hole, the installation through hole is passed in one end of described spring, and this end has disk, and this disk back-off is in the inner walls of capsule endoscope body.
4. according to claim 3 it is characterized in that: the inner walls of the afterbody of described capsule endoscope body is provided with waterproof membrane from steady capsule endoscope, and this waterproof membrane covers disk fully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548849 CN202891870U (en) | 2012-10-24 | 2012-10-24 | Self-stabilizing capsule endoscopy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220548849 CN202891870U (en) | 2012-10-24 | 2012-10-24 | Self-stabilizing capsule endoscopy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202891870U true CN202891870U (en) | 2013-04-24 |
Family
ID=48112600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220548849 Expired - Fee Related CN202891870U (en) | 2012-10-24 | 2012-10-24 | Self-stabilizing capsule endoscopy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202891870U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102934983A (en) * | 2012-10-24 | 2013-02-20 | 刘思德 | Capsule endoscope self-stabilizing method and self-stabilizing capsule endoscope |
-
2012
- 2012-10-24 CN CN 201220548849 patent/CN202891870U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102934983A (en) * | 2012-10-24 | 2013-02-20 | 刘思德 | Capsule endoscope self-stabilizing method and self-stabilizing capsule endoscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20131024 |