CN208769954U

CN208769954U - The device taken out for foreign bodies in digestive tract

Info

Publication number: CN208769954U
Application number: CN201820367971.3U
Authority: CN
Inventors: 陈旭红; 谭回
Original assignee: Shenzhen Second Peoples Hospital
Current assignee: Shenzhen Second Peoples Hospital
Priority date: 2018-03-19
Filing date: 2018-03-19
Publication date: 2019-04-23
Anticipated expiration: 2028-03-19

Abstract

The utility model discloses a kind of devices taken out for foreign bodies in digestive tract, are related to clinical treatment equipment technology field.It includes outer tube, and difference sliding sleeve is equipped with the first, second conduit in outer tube.The lasso trick of adjusting is wherein equipped in the first conduit, the second catheter proximal end is connected with the air bag of inflatable/water-filling；Valve is installed, rear end is communicated with inflation or filling device on the second conduit.The beneficial effects of the utility model are: can safely, quickly by foreign body in the digestive tract, and prevent foreign matter from falling, avoid damage to alimentary canal, protect patient from secondary injury, operation quickly, simple, safety.

Description

The device taken out for foreign bodies in digestive tract

Technical field

The utility model belongs to Gastroenterology dept.'s the field of medical instrument technology, and in particular to one kind takes out foreign matter from alimentary canal Instrument.

Background technique

(such as: battery, lipstick, toy are small by zero after the cylindrical foreign matter for eating surface relative smooth by mistake enters in vivo by people Part), since people's pylorus is small, cannot be naturally drained in vitro from alimentary canal, and if directly performed the operation, due to open wound Mouthful, it can be very big to injury of human.

Another solution is to utilize digestive endoscopy, but since foreign matter is cylinder, surface is smooth to be difficult to clamp；I.e. Make to clamp, when digestive endoscopy conduit and foreign matter arrive the first stenosis of intelligent's esophagus together, since the diastole of cricopharyngeus acts on, also can Foreign matter is blocked to make it difficult to take out.

Because a kind of tool convenient for taking out the smooth cylindrical foreign matter in surface out of human body of the invention is particularly important.

Utility model content

The purpose of this utility model first is that the cylindrical foreign matter for solving the problems, such as that surface is smooth in the prior art is difficult to take out, And reduce injury to alimentary tract, clamping process safety, quickly.

To solve the above problems, the utility model provides a kind of foreign bodies in digestive tract withdrawing device, it include include outer tube, Sliding sleeve is equipped with the first conduit, the second conduit in outer tube, wherein being equipped with the lasso trick of adjusting in the first conduit, lasso trick is logical It crosses control line to be connected with control handle, adjusts the length of control line by operating control handle come adjusting sleeve cringle set Size, the second catheter proximal end is connected with inflatable or filling liquid body air bag；Valve is installed, valve rear end connects on the second conduit It is connected to handle, is had in handle hollow for inflate or the channel of filling liquid body, the channel are used to connect external air source or liquid Source.

The outer tube is divided into two independent chambers, slides the first conduit, the second conduit in chamber respectively.

The structure that the control line may be designed as slip-knot with lasso trick or be fixedly connected.Further, lasso trick can for monocycle or The structure of polycyclic or net bag-shaped etc., in order to extract foreign matter of different shapes.

Second conduit is inflatable conduit, and front end is connected with the air bag of inflatable/water-filling, and rear end is connected with valve And handle, handle rear end are connected with fluid source.

The air bag can be converted between expansion and contraction state, further optimize the technical program, and air bag can To have sunk structure on surface, this sunk structure can be accepted foreign matter in the expanded state.

Entire housing length of tube is 30-45cm, and internal diameter 8-15mm, the volume of air bag is 3-8ml.

The sunk surface of further prioritization scheme, air bag can also have adhesion layer, adhere to foreign matter, prevent different Object falls off.

Wherein, outer tube is made of medical stainless steel or medical macromolecular materials, and air bag is made of medical grade rubber, First conduit, the second conduit, sliding sleeve use the medical macromolecular materials with certain flexibility to be made, and connecting line, lasso trick can Using cotton rope or the materials such as the medical macromolecular materials with certain flexibility, metal are made.

Compared with prior art, the utility model at least has the following beneficial effects or advantage:

1. this foreign bodies in digestive tract withdrawing device provided by the utility model, can make the surface light for being clipped in alimentary canal fold Sliding cylindrical foreign matter tentatively fix by lasso structure first, and swelling gasbag is accepted in lower section, and playing prevents foreign matter from falling The effect of the second protection fallen；

2. when lasso structure successfully covers taking foreign body, since lower section swelling gasbag has expanded alimentary canal, foreign body can be made Process, safety, quickly, smoothly, avoids foreign matter or other instruments secondary damage caused by alimentary canal, while also preventing at any time different Object is secondary to be fallen；

3., can be to foreign matter due to the undertaking of the air bag of lower section expansion when lasso structure can not be fixed or be fixed unsuccessfully It is wrapped up, is adhered to, transport, foreign matter causes secondary damage to alimentary canal during avoiding foreign body failure and taking out.

Detailed description of the invention

The utility model is described in further details below with reference to attached drawing.

Fig. 1 is the overall structure diagram of the utility model.

Fig. 2 is airbag structure top view.

Fig. 3 is airbag structure side view.

Fig. 4 is the slip lasso structure schematic diagram of tool.

Fig. 5 is the circular lasso structure schematic diagram being fixedly connected.

Fig. 6 is the claw-like lasso structure schematic diagram being fixedly connected.

Description of symbols: 1. outer tubes；2. the second conduit；3. the first conduit；4. control line；5. lasso trick；6. air bag； 7. controlling handle；8. valve；9. handle；10. recess.

Specific embodiment

Embodiment 1:

The present embodiment provides a kind of foreign bodies in digestive tract withdrawing devices, and in conjunction with shown in Fig. 1-Fig. 4, including it includes outer tube 1, It is divided into two independent chambers in outer tube 1, difference sliding sleeve is equipped with the first conduit 3, the second conduit in two independent chambers 2.Wherein 3 front end of the first conduit is connected with the lasso trick 5 of adjusting, and 2 front end of the second conduit is connected with the gas of inflatable/water-filling Capsule 6；Valve 8, handle 9 are installed, the rear end of handle is communicated with the fluid source of air charging system or water-filling, described on second conduit Air bag can be converted between expansion and contraction state.

First conduit, 3 front end is connected with the lasso trick 5 of adjusting, has control to reconcile set inside the first conduit 3 The control line 4 of 5 size of rope, 4 rear portion of control line are connected with rotatable control handle 7, and lasso trick 5 is the knot that front end constitutes a slip-knot Structure by the length of the adjustable control line 4 of rotation of control handle, and then controls the snare size of front end lasso trick 5, to extract Foreign matter.

When patient, which needs to carry out foreign bodies in digestive tract, takes out operation, the air bag 6 of original state is not inflated, and lasso trick 5 The utility model is moved at patient's body foreign matter by the state in snare maximum gauge by scope, and air bag 6 is made to be in different The underface of object, lasso trick 5 are in the edge of foreign matter.At this point, air bag 6 is inflated, meanwhile, lasso trick 5 extracts foreign matter, When extracting successfully, rotation control handle 7 tightens the snare of lasso trick 5, and tightly set locks foreign matter.At this point, passing through the sliding of handle 9 the Two conduits 2 contact it with lasso trick and foreign matter, carry out being protected from that foreign matter is secondary to fall off below foreign matter, pass through to air bag 6 Valve 8 carries out the/bleed air operation appropriate that discharges water, and then the conciliation of the size to air bag 6, convenient for wrapping foreign matter, retracts outer Casing 1, and then whole device is taken out out of alimentary canal.And when lasso trick set taking foreign body failure, foreign matter is fallen on air bag 6, / the bleed air operation that discharges water can be carried out to air bag by valve 8, foreign matter is wrapped, and then by the help of outer tube by foreign matter Take out alimentary canal.

Embodiment 2:

The present embodiment is the further explanation to 1 structure of embodiment, and structure can be as shown in figure 3, air bag 6 can be table Face has the air bag of sunk structure 10, can preferably accept foreign matter, prevent foreign matter is secondary from falling.

More optimally, structure is as shown in Fig. 2, 10 surface of sunk structure of air bag 6 can have adhesion arrangement, adherency knot Structure is the biocompatibility biological glue coated on surface, convenient for foreign matter is fixed.

Embodiment 3:

The present embodiment is another scheme to the lasso structure of 1 structure of embodiment, as shown in Fig. 5-6, described first 3 front end of conduit is connected with the lasso trick 5 of adjusting, has control to reconcile the control line 4 of 5 size of lasso trick inside the first conduit 3, 4 rear portion of control line is connected with rotatable control handle 7, covers taking foreign body by the length of the control adjusting control line 4 of handle 7, It after entangling foreign matter, lifts at lasso trick to 3 nozzle of the first conduit, lasso trick is squeezed through catheter wall generates deformation, common with catheter wall Fix foreign matter.

Exemplified as above is only to the utility model for example, not constituting to the protection scope of the utility model Limitation, it is all to be belonged within the protection scope of the utility model with the same or similar design of the utility model.

Claims

1. a kind of device taken out for foreign bodies in digestive tract, it is characterised in that: including outer tube (1), sliding is arranged in outer tube There are the first conduit (3), the second conduit (2), wherein being equipped with the lasso trick (5) of adjusting in the first conduit (3), lasso trick (5) is logical Cross control line (4) with control handle (7) be connected, adjusted by operating control handle (7) length of control line (4) come The size of adjusting sleeve cringle set, the second catheter proximal end are connected with inflatable or filling liquid body air bag (6)；It is equipped on second conduit Valve (8), valve rear end are connected with handle (9), are had in handle (9) hollow for inflating or the channel of filling liquid body.

2. a kind of device taken out for foreign bodies in digestive tract according to claim 1, it is characterised in that: outer tube (1) point For two independent chambers, slide the first conduit (3), the second conduit (2) in chamber respectively.

3. a kind of device taken out for foreign bodies in digestive tract according to claim 1, it is characterised in that: lasso trick is connected thereto Line is slip-knot formula monocycle or polycyclic or net bag-shaped structure.

4. a kind of device taken out for foreign bodies in digestive tract according to claim 1, it is characterised in that: lasso trick is fixed connects The monocycle or polycyclic or claw-like or net bag-shaped structure connect.

5. a kind of device taken out for foreign bodies in digestive tract according to claim 1, it is characterised in that: the table of air bag (6) Face is equipped with recess (10).

6. a kind of device taken out for foreign bodies in digestive tract according to claim 5, it is characterised in that: the recess table of air bag Face has adhesion layer.

7. -6 any a kind of device taken out for foreign bodies in digestive tract according to claim 1, it is characterised in that: outer tube (1) length is 30-45cm, and internal diameter 8-15mm, the volume of air bag is 3-8ml.