CN208525138U - A kind of food isolation sleeves fixed based on Stomach duodenum ball pair - Google Patents

Abstract

The utility model relates to a kind of based on the double fixed food isolation sleeves of Stomach duodenum ball, it is characterized in that, the food isolation sleeve includes: the tubulose " oversleeve " being mainly made of the close end and distal portion that are wholely set, and close end is infundibulate elastic film, distal portion is Elastic Cylindrical film, it is arranged in the stomach ring of the mouth side food entrance of tubulose " oversleeve ", and is located at the C-loop in tubulose " oversleeve " after separating, be implanted into tubulose " oversleeve " before being implanted into.The utility model can be fixed in stomach above pylorus in endoscopic minimally-invasive implantable gastric and small intestine, stomach ring, and tubulose " oversleeve " is avoided to shift with gastrointestinal motility or food to anus side；C-loop can be fixed on duodenal bulb, and tubulose " oversleeve " is avoided to take off in stomach with gastrointestinal motility to the displacement of mouth side.Absorption of the small intestine to glucose and fat globule can be reduced after the utility model implantation, can be widely used for fat or fat with type II diabetes treatment under scope.

Description

A kind of food isolation sleeves fixed based on Stomach duodenum ball pair

Technical field

The utility model relates to a kind of medical instruments, especially with regard to one kind for fat under scope or fat with II type sugar The food isolation sleeves fixed based on Stomach duodenum ball pair of urine disease treatment.

Background technique

Obesity can cause the exception of the multiple systems of whole body by the effect of organism metabolism, and the body for seriously endangering the mankind is strong Health becomes " arch-criminal " of a variety of diseases, especially increases the Probability of type II diabetes.Diabetes are in the world after swollen Third position seriously endangers the chronic disease of human health after tumor, cardiovascular and cerebrovascular diseases.Diabetes to the human body heart, brain, kidney, blood vessel, The harm of the organs such as nerve, skin is huge.The last century 50's, bariatric surgery start for treating the obesity patients, for a long time with Visit discovery: the weight of the obesity patients is substantially reduced after bariatric surgery, while the adjoint type II diabetes state of an illness also obtains difference The improvement of degree.It is a kind for the treatment of II clinically usually used at present wherein with the cure rate highest of stomach turn of tidal stream operation (GBP) Patients with type Ⅰ DM is simultaneously with the mode of obesity.However there is certain surgical risks for stomach turn of tidal stream operation itself.

Thus another new scope lower intestinal tract shunts weight-reducing art and comes into being.By by Gastrointestinal Endoscopes that duodenum is empty Intestines food isolation " oversleeve " merging patient's small intestine food is isolated with this section of small intestine intestinal wall, can reduce this section of small intestine to glucose with The absorption of fat globule, to make patient body weight mitigate, blood glucose value decline；But presently, there are this small intestine food isolation sleeve pair Effect is big, and there are the damages of larger local mucous membrane, and long-term tolerance is poor.Therefore it designs a kind of with more Small loss and better disease People's tolerance, and the stomach and intestine food isolation sleeve for capableing of long-term role is the task of top priority.

Summary of the invention

In view of the above problems, the object of the present invention is to provide a kind of based on the double fixed foods of Stomach duodenum ball Separation sleeve, the food isolation sleeve can in endoscopic minimally-invasive implantable gastric and small intestine, Small side effects, can reduce small intestine to glucose and The absorption of fat.

To achieve the above object, the utility model takes following technical scheme: one kind is double fixed based on Stomach duodenum ball Food isolation sleeve, which is characterized in that the food isolation sleeve includes: tubulose " oversleeve ", and the tubulose " oversleeve " is mainly by one The close end and distal portion of setting form, and the close end is infundibulate elastic film, and the distal portion is Elastic Cylindrical Film；Stomach ring, the stomach ring are arranged in the mouth side food entrance of the tubulose " oversleeve ", are located at after implantation in stomach Above pylorus, and the stomach ring diameter is greater than pylorus maximum open；C-loop, before C-loop implantation with it is described Tubulose " oversleeve " separation, is located in the tubulose " oversleeve " after implantation, is located at duodenal bulb below pylorus, and described 12 Duodenum 12 ring diameter is also greater than pylorus maximum open.

In a preferred embodiment, the stomach ring and the tubulose " oversleeve " are integrated setting, the duodenum Before ring implantation and the tubulose " oversleeve " is to be separately separated setting.

In a preferred embodiment, the tubulose " oversleeve " is prepared using polytetrafluoroethylene (PTFE) or silica gel.

In a preferred embodiment, the distal end of the tubulose " oversleeve " is symmetrical arranged there are two x-ray mark point, described X-ray mark point is hidden in elastic film using tantalum powder embedding.

In a preferred embodiment, the close end inlet diameter of the tubulose " oversleeve " is 30~40mm, institute Stating close end outlet diameter is 25~30mm, and the height of the close end is 15~25mm；The tubulose " oversleeve " it is described remote The length that end is extended is 400~800mm.

In a preferred embodiment, the diameter of the stomach ring is 30~40mm, and the diameter of the C-loop is 25~30mm.

In a preferred embodiment, the stomach ring and C-loop are prepared using elastic memory alloy.

Because the utility model adopts the above technical scheme, it has the following advantages: the stomach ring of 1, the utility model and ten Two duodenum 12 rings take elastic memory alloy to be prepared, and compressible rear folding storage before implantation is discharged after implanting into annulus, Stomach ring can be such that separation sleeve mouth side is located in stomach above pylorus, avoid dropping in duodenum, C-loop can be kept away Exempt from separation sleeve back into stomach to be moved into stomach and stomach ring is made to be fixed on fixed position in stomach.2, the stomach ring of the utility model Smooth, smooth with C-loop, the fixed structures such as no hangnail fundamentally avoid " small intestine separation sleeve " displacement and refer to 12 The damage of intestinal mucosa, and a series of generation of severe complications caused therefrom.3, the utility model is by Thin Elastic on stomach ring Film extends outward a tubulose " oversleeve ", and " oversleeve " is about 400~800mm (selecting according to the fat or thin of user, height degree), Food enters tubulose " oversleeve ", without being contacted with intestinal wall, therefore can absorption to avoid this section of intestinal wall to food；It does not influence simultaneously Absorption of this section of intestinal wall with lower portion to food, can reach different degrees of fat-reducing effect.4, the utility model is due in pipe There are two x-ray mark points for the end symmetrical setting of shape " oversleeve ", therefore, under X-ray, can be convenient observation tubulose " oversleeve " end The position in enteron aisle is held, to be positioned.The utility model smart structural design, it is simple to operate, it can be widely used for In medical operating.

Detailed description of the invention

Fig. 1 is the structural schematic diagram after the external bicyclic simulation implantation situation of the utility model；

Fig. 2 is the utility model bicyclic isolated structural schematic diagram in vitro；

Fig. 3 is the longitudal section effect diagram after the utility model implantation.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawings and examples.It should be appreciated, however, that attached drawing mentions For only for more fully understanding the utility model, they should not be interpreted as limitations of the present invention.

As shown in Figure 1 and Figure 2, bicyclic fixed small intestine food isolation sleeve provided by the utility model includes a tubulose " oversleeve " 1, tubulose " oversleeve " 1 is mainly made of the close end 11 and distal portion 12 that are wholely set, and close end 11 is infundibulate Thin Elastic Film, distal portion 12 are Elastic Cylindrical film.The mouth side food entrance for being located at tubulose " oversleeve " 1 is provided with a stomach ring 2, Stomach ring 2 is linked together with tubulose " oversleeve " 1, and stomach ring 2 is located in stomach above pylorus after implantation, and 2 diameter of stomach ring is greater than pylorus most Big opening is shifted with gastrointestinal motility or food to anus side to avoid tubulose " oversleeve " 4.It is being located at the close of tubulose " oversleeve " 1 11 exit of end is provided with C-loop 3, and the diameter of C-loop 3 is less than the diameter of stomach ring 2.C-loop 3 To be separately separated setting before implantation, implantation metaduodenum ring 3 is located in tubulose " oversleeve " 1, is located at duodenum below pylorus Bulb, and 3 diameter of C-loop is also greater than pylorus maximum open, to avoid tubulose " oversleeve " 4 with gastrointestinal motility to mouth side End displacement, takes off in stomach.

In a preferred embodiment, tubulose " oversleeve " 1 using polytetrafluoroethylene (PTFE), silica gel or similar material preparation and At.

In a preferred embodiment, the distal end of tubulose " oversleeve " 1 is symmetrical arranged there are two x-ray mark point 4, x-ray mark Note point 4 is hidden in elastic film using tantalum powder embedding.

In a preferred embodiment, 11 inlet diameter of close end of tubulose " oversleeve " 1 is 30~40mm, close end 11 Outlet diameter is 25~30mm, and the height of close end 11 is 15~25mm；The length that the distal portion 12 of tubulose " oversleeve " 1 extends is 400~800mm.

In a preferred embodiment, the diameter of stomach ring 2 is 30~40mm, the diameter of C-loop 3 is 25~ 30mm。

In a preferred embodiment, stomach ring 2 and C-loop 3 are prepared using elastic memory alloy, are implanted into Preceding compressible rear folding storage, release is at annulus after implanting.

Specification described above can require to make corresponding change according to treatment object and treatment.

The pay-off method and working principle of the utility model are as follows:

1) the utility model wall is thin submissive, is easy compression and stretches, and stomach ring 2 and C-loop 3 take elastic memory Alloy production, compressible rear folding storage before implantation, therefore the utility model can be placed in thinner delivery sheath, be passed through It is put into seal wire under scope, will be discharged after the utility model implantable gastric and duodenum that are compressed in delivery sheath along seal wire；Also Or the utility model plant package is paperwrapped on the outside of scope, it is discharged after being delivered to stomach and duodenum by scope；

2) the stomach ring 2 of close end and C-loop 3 revert to annulus to the utility model upon discharge, are individually fixed in stomach Above interior pylorus and at duodenal bulb；

3) it again insertable into observable the utility model placement location under scope, and is infused under scope into tubulose " oversleeve " 1 Gas and water, tubulose " oversleeve " 1 gradually expands, and by the gravity of water, the distal portion 12 of tubulose " oversleeve " 1 againsts 12 fingers The intestinal wall of intestines bulb rear lower trails (as shown in Figure 3) down；The specific length of tubulose " oversleeve " 1 can be according to user The selection of fat or thin, height degree；

4) under X-ray, by the x-ray mark point 4 being arranged on tubulose " oversleeve " 1, position after tubulose " oversleeve " 1 is unfolded is observed In the position in enteron aisle；

5) when food passes through duodenum, by tubulose " oversleeve " 1, absorption of this section of small intestine to nutrition is avoided, is reached The effect of having arrived weight-reducing.

The various embodiments described above are merely to illustrate the utility model, wherein the structure of each component, connection type and manufacture craft Etc. may be changed, all equivalents and improvement carried out on the basis of technical solutions of the utility model, It should not exclude except the protection scope of the utility model.

Claims (7)

1. a kind of based on the double fixed food isolation sleeves of Stomach duodenum ball, which is characterized in that the food isolation sleeve includes:

Tubulose " oversleeve ", the tubulose " oversleeve " is mainly made of the close end and distal portion that are wholely set, and the close end For infundibulate elastic film, the distal portion is Elastic Cylindrical film；

Stomach ring, the stomach ring are arranged in the mouth side food entrance of the tubulose " oversleeve ", are located at after implantation in stomach Above pylorus, and the stomach ring diameter is greater than pylorus maximum open；

C-loop separates with the tubulose " oversleeve " before the C-loop implantation, the tubulose " sleeve is located at after implantation In set ", it is located at duodenal bulb below pylorus, and the duodenum ring diameter is also greater than pylorus maximum open.

2. as described in claim 1 a kind of based on the double fixed food isolation sleeves of Stomach duodenum ball, which is characterized in that institute It states stomach ring and the tubulose " oversleeve " is integrated setting.

3. as described in claim 1 a kind of based on the double fixed food isolation sleeves of Stomach duodenum ball, which is characterized in that institute Tubulose " oversleeve " is stated to be prepared using polytetrafluoroethylene (PTFE) or silica gel.

4. as described in claim 1 a kind of based on the double fixed food isolation sleeves of Stomach duodenum ball, which is characterized in that institute The distal end for stating tubulose " oversleeve " is symmetrical arranged there are two x-ray mark point, and the x-ray mark point is hidden in Thin Elastic using tantalum powder embedding In film.

5. as described in claim 1 a kind of based on the double fixed food isolation sleeves of Stomach duodenum ball, which is characterized in that institute The close end inlet diameter for stating tubulose " oversleeve " is 30~40mm, and the close end outlet diameter is 25~30mm, described The height of close end is 15~25mm；The length that the distal portion of the tubulose " oversleeve " extends is 400~800mm.

6. as claimed in claim 5 a kind of based on the double fixed food isolation sleeves of Stomach duodenum ball, which is characterized in that institute The diameter for stating stomach ring is 30~40mm, and the diameter of the C-loop is 25~30mm.

7. as described in claim 1 a kind of based on the double fixed food isolation sleeves of Stomach duodenum ball, which is characterized in that institute Stomach ring and C-loop is stated to be prepared using elastic memory alloy.