CN203029388U

CN203029388U - Guide apparatus

Info

Publication number: CN203029388U
Application number: CN2012207372552U
Authority: CN
Inventors: 陈望东; 丁水澄
Original assignee: Suzhou Tianchen International Medical Technology Co Ltd
Current assignee: Suzhou Tianchen International Medical Technology Co Ltd
Priority date: 2012-12-28
Filing date: 2012-12-28
Publication date: 2013-07-03
Anticipated expiration: 2022-12-28

Abstract

The utility model provides a guide device which is applied to a front end of a medical anastomat for guiding the anastomat to be fed into a human body. The guide apparatus comprises a spiral body. The spiral body is formed by a strip-shaped guide part in a surrounded manner, and is provided with a distal end with a small diameter and a proximal end with a large diameter, a flexible film covers the outside of the spiral body, and is provided with a traction end close to the distal end, and the traction end extends out of the proximal end from a cavity in the spiral body. The guide apparatus has the advantage that after guiding the anastomat to be fed into the human body, the guide apparatus can be taken out conveniently without exacerbating discomfort of a patient.

Description

Guiding device

Technical field

This utility model relates to technical field of medical instruments, relates in particular to for the guiding device that the anastomat guiding is entered human body.

Background technology

The tubular type binding instrument is a kind of surgical instruments that tubular type is organized the seaming and cutting operation that is widely used in, and is made up of nail-head component and the percussion assembly of circle; The tubular type tissue that two sections needs are coupled together is placed between the nail anvil and nail bin of nail-head component, adjusts the distance of nail anvil and nail bin and comes grip tissue gradually, and operation percussion assembly is shaped nail then, finishes the connection of two sections tissues.

In the operation technique of reality, there is the tubular type binding instrument of two kinds of operations to enter relatively difficulty of pipeline, be respectively low rectal operation and gastric bypass operation.The operation of first kind of low rectal, employing be that diameter is the tubular type binding instrument of 33 millimeters nail bins, need per anum to undergo surgery.Because anus is a flesh opening, its diameter of normal condition is less, and the major diameter apparatus is inserted into relatively difficulty of anus.Second kind of gastric bypass operation, employing be that diameter is the tubular type binding instrument of 25 millimeters nail bins, need enter small intestinal and undergo surgery.Because small intestinal is the digester tube of human body, inwall has a lot of mucosas, and the tubular type binding instrument is bigger owing to end face, and because the reasons in structure surface is not sufficiently oily, walks easily in small intestinal mucosa is caused damage.

The prior art that addresses the above problem at present is the some kinds of assistive devices that are set in tubular type binding instrument nail bin groupware periphery that U.S. Patent application US20090204108 and US20110114698 disclose, nail bin groupware that can the tubular Binding Instrument of aimming circle enters human body and passes intestinal, after it arrives the operation precalculated position, can lay down this assistive device from nail bin groupware, not influence the subsequent operation of tubular type binding instrument.These assistive devices can help the doctor that the head of Binding Instrument is successfully put into preposition, but this assistive device need use bigger power to tear hauling-out at present, and easily accidental injury tissue and experience are not good.

Summary of the invention

For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of guiding device, and it is after the guiding anastomat enters human body, and conveniently self-fitting device front end takes out, and can not add heavy patient's discomfort.

For realizing above-mentioned utility model purpose, guiding device of the present utility model, the front end that is used for medical anastomat enters human body with the guiding anastomat, described guiding device has guiding piece by strip around the spirillum that forms, described spirillum has diameter smaller distal and the bigger near-end of diameter, described spirillum is coated with fexible film, and fexible film has traction end near described far-end, and the cavity of described traction end in described spirillum extends described near-end.

As further improvement of the utility model, the cross section of described guiding piece comprises internal layer and skin for staggered stacked two-layer parallelogram sturcutre.

As further improvement of the utility model, described fexible film has elasticity, is strutted by elasticity in the time of outside being coated on spirillum.

As further improvement of the utility model, described spirillum near-end is connected with and pulls part.

As further improvement of the utility model, in two parallelogram sturcutres on the cross section of described guiding piece, be acute angle away from the drift angle of internal layer and outer field overlapping.

As further improvement of the utility model, described fexible film original state is cylindrical shape.

As further improvement of the utility model, described composition internal layer is identical with outer field parallelogram sturcutre.

Compared with prior art, guiding device of the present utility model after the guiding anastomat enters human body, can conveniently take out and can not add heavy patient's discomfort.

Description of drawings

Fig. 1 for this utility model with guide body at the structural representation that begins to pile up that pulls on the part;

Fig. 2 is the cross sectional representation along A-A direction among Fig. 1 of this utility model guide body;

Fig. 3 is for piling up formation spirochetal sketch map in back with guide body in pulling in this utility model on the part;

Fig. 4 is the fexible film structural representation of softened state not in this utility model;

Fig. 5 is coated on the structural representation that spirillum forms guiding device outward for fexible film in this utility model;

Fig. 6 is coated on the cutaway view that spirillum forms guiding device outward for fexible film in this utility model.

The specific embodiment

Below in conjunction with each embodiment shown in the drawings this utility model is elaborated; but should be noted that; these embodiments are not to restriction of the present utility model; the function that those of ordinary skills do according to these embodiments, method or structural equivalent transformation or alternative all belong within the protection domain of the present utility model.

See also shown in the accompanying drawing 1 to 6, guide body 100 is made up of hard material, its cross section is the two-layer parallelogram structure that is crisscross arranged, comprise internal layer 101 and outer 102, the drift angle away from internal layer 101 and outer 102 overlapping on this internal layer 101 and outer 102 parallelogrames that form is acute angle.This guide body 100 can pull on the part 200 around piling up, and forms the whole spirillum 300 that is truncated cone-shaped, has cavity in the spirillum 300.The less part of these spirillum 300 1 end diameters is far-end 301, and the part that diameter is bigger is near-end 303.At this moment, the skin 102 that is in top guide body 100 is coated on it down on internal layer 101 of one deck guide body 100.Finish identically if form internal layer 101 and the parallelogram sturcutre of forming skin 102, the outer surface smoother of spirillum 300 then can the scratch human body.

Fexible film 400 has elasticity, is cylindrical shape in original state, can elasticity strut.Fexible film 400 is inserted in the cavity of spirillum 300, will strut outside upset near the fexible film 400 of far-end 301, be included in the skin of spirillum 300.At this moment, fexible film 400 has the trend that nature is replied because being strutted by elasticity, and inwardly extrusion spiral body 300 and make its structure firm forms guiding device 500 of the present utility model.Fexible film 400 unturned parts form traction end 401, and these traction end 401 parts are extended near-end 303 in cavity.Certainly, in other embodiments, described traction end 401 also can be made up of the draught line that is connected with fexible film 400.

In use, guiding device 500 is arranged at the front end of anastomat (not shown), thereby guides anastomat to enter the assigned address of human body.The dilatory part 200 that pulls is pulled out the passage that spirillum 300 is in layer reserved in the self-fitting device to far-end 301 from near-end 303.After spirillum 300 pulled out, fexible film 400 lost support, and pull traction end 401 this moment again, and the passage of reserving in the described fexible film 400 self-fitting devices is pulled out.

Use guiding device of the present utility model, because the special structure setting of guiding piece conveniently is stacked into spirillum, and pulls when pulling part in inside, make things convenient for despiralization.Guiding device of the present utility model undergos surgery behind the position at the guiding anastomat, can conveniently take out, and when taking out because guiding device self-fitting device is inner, can not add heavy patient's discomfort.

To those skilled in the art, obviously this utility model is not limited to the details of above-mentioned one exemplary embodiment, and under the situation that does not deviate from spirit of the present utility model or basic feature, can realize this utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than above-mentioned explanation, therefore is intended to include in this utility model dropping on the implication that is equal to important document of claim and all changes in the scope.Any Reference numeral in the claim should be considered as limit related claim.

In addition, be to be understood that, though this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description only is for clarity sake, those skilled in the art should make description as a whole, and the technical scheme among each embodiment also can form other embodiments that it will be appreciated by those skilled in the art that through appropriate combination.

Claims

1. guiding device, the front end that is used for medical anastomat enters human body with the guiding anastomat, it is characterized in that, described guiding device has guiding piece by strip around the spirillum that forms, described spirillum has diameter smaller distal and the bigger near-end of diameter, described spirillum is coated with fexible film, and fexible film has traction end near described far-end, and the cavity of described traction end in described spirillum extends described near-end.

2. guiding device according to claim 1 is characterized in that, the cross section of described guiding piece comprises internal layer and skin for staggered stacked two-layer parallelogram sturcutre.

3. guiding device according to claim 1 is characterized in that, described fexible film has elasticity, is strutted by elasticity in the time of outside being coated on spirillum.

4. guiding device according to claim 1 is characterized in that, described spirillum near-end is connected with and pulls part.

5. guiding device according to claim 2 is characterized in that, in two parallelogram sturcutres on the cross section of described guiding piece, is acute angle away from the drift angle of internal layer and outer field overlapping.

6. guiding device according to claim 1 is characterized in that, described fexible film original state is cylindrical shape.

7. guiding device according to claim 2 is characterized in that, described composition internal layer is identical with outer field parallelogram sturcutre.