CN116327338A

CN116327338A - Digestive tract foreign body extractor for digestive system department

Info

Publication number: CN116327338A
Application number: CN202310401352.7A
Authority: CN
Inventors: 徐斐; 朱峰; 罗轶玮
Original assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Current assignee: Shanghai East Hospital Tongji University Affiliated East Hospital
Priority date: 2023-04-15
Filing date: 2023-04-15
Publication date: 2023-06-27

Abstract

The invention relates to the field of medical treatment, in particular to a gastrointestinal foreign body extractor for digestive system department. The invention provides a gastrointestinal foreign body extractor for a digestive system, which is convenient for clamping foreign bodies more stably and firmly and can reduce the influence of gastrointestinal peristalsis on foreign body extraction. A digestive tract foreign body extractor for digestive system department comprises an operating body, a hose, a probe cylinder and the like; one end fixedly connected with hose of operation body, the one end fixedly connected with probe section of thick bamboo that the hose kept away from the operation body, the probe section of thick bamboo inner wall is opened there is trapezoidal guide way. The six squeeze plates can keep the state of clamping the foreign matters and drive the foreign matters to move towards one side close to the hose in the probe cylinder, and the clamping force of the squeeze plates can more stably and firmly clamp the foreign matters so that the foreign matters can enter the probe cylinder more smoothly.

Description

Digestive tract foreign body extractor for digestive system department

Technical Field

The invention relates to the field of medical treatment, in particular to a gastrointestinal foreign body extractor for digestive system department.

Background

The foreign matter in the digestive tract is a common emergency in the digestive tract department, and is often caused by improper feeding or improper swallowing of a non-digestible object, and the foreign matter in the digestive tract may be accompanied with symptoms such as nausea and vomiting, if the foreign matter is small in size, the form is regular, damage to the digestive tract is generally not caused, the foreign matter can be discharged out of the body along with the peristaltic movement of the digestive tract, and if the foreign matter is large in size, the foreign matter needs to be taken out by a surgical treatment method.

However, in the prior art, the foreign matter is often taken out through the clamp, the doctor is required to hold the operation table all the time, the difficulty of taking out the foreign matter by the doctor is increased, meanwhile, due to different shapes and different sizes of the foreign matter, when the clamp clamps the foreign matter with small volume and irregular shape, the foreign matter can be separated from the clamp and left in the alimentary canal, when the clamp clamps the foreign matter with large volume, the clamping force of the clamp is often insufficient to clamp the foreign matter out of the alimentary canal, in a word, the clamping force of the clamp is difficult to stably and firmly clamp the foreign matter, the foreign matter is inconvenient to take out from the alimentary canal smoothly, and meanwhile, due to peristalsis of the alimentary canal, the clamp is often difficult to take out the foreign matter completely, and secondary injury is caused to a patient.

Disclosure of Invention

Aiming at the problems existing in the prior art, the invention provides the digestive tract foreign body extractor for the digestive tract, which is convenient for clamping the foreign body more stably and firmly and can reduce the influence of the peristaltic movement of the digestive tract on the foreign body extraction.

The technical proposal is as follows: the digestive tract foreign body extractor for the digestive system department comprises an operating body, a hose, a probe cylinder, a hydraulic moving mechanism and a folding mechanism;

the hose is fixedly connected with one end of the operating body;

the probe cylinder is fixedly connected with one end of the hose, which is far away from the operation body, and a trapezoid guide groove is formed in the inner wall of the probe cylinder;

the hydraulic moving mechanism is arranged in the probe cylinder and is connected with the hose;

the folding mechanism is arranged in the probe cylinder and is used for clamping foreign matters in the digestive tract.

Further stated, the hydraulic moving mechanism comprises a fixed slot pipe, a hydraulic pipe, a limiting ring, a moving seat, a cam ring, a circular ring, a six-side pull rope and an extrusion spring, wherein one end of the probe tube, which is close to a hose, is fixedly connected with the fixed slot pipe, the fixed slot pipe is positioned in the hose, one end of the fixed slot pipe, which is close to the probe tube, is fixedly connected with the hydraulic pipe, the hydraulic pipe is communicated with the fixed slot pipe, the hydraulic pipe is positioned in the hose and penetrates through an operating body, one side, which is close to the hose, of the probe tube is rotatably connected with the limiting ring, six moving seats are slidably connected in the probe tube, the cam ring is rotatably connected between the cam ring and the circular ring, the six-side pull rope penetrates through the limiting ring, the six-side pull rope penetrates through one end, which is close to the probe tube, of the six moving seats and the probe tube are all connected with the extrusion spring.

Further stated, the extrusion plate is provided with four round holes.

Further, the folding mechanism comprises fixed guide strips, extrusion plates, first tension springs, fixed L-shaped pipes, movable swing rods and first torsion springs, wherein six fixed guide strips are fixedly connected to one ends, close to the cam ring, of the movable base, the six extrusion plates are connected to the fixed guide strips in a sliding mode, the six extrusion plates are located in the cam ring, two first tension springs are connected between the extrusion plates and the movable base, the fixed L-shaped pipes are fixedly connected to the cam ring, one ends, far away from the cam ring, of the fixed L-shaped pipes are connected with guide grooves of the inner wall of the probe tube in a sliding mode, movable swing rods are rotatably connected to the guide grooves of the inner wall of the probe tube, and two first torsion springs are connected between the guide grooves of the probe tube and the movable swing rods.

Further, the device comprises a negative pressure suction mechanism, the negative pressure suction mechanism is arranged on the extrusion plate, the negative pressure suction mechanism is connected with the cam ring, the negative pressure suction mechanism comprises a negative pressure pipe, fixed limit rods, special-shaped pull rods, second tension springs, negative pressure rods, wedge-shaped groove plates, movable baffles and second torsion springs, four negative pressure pipes are fixedly connected to one side, close to the movable seat, of the extrusion plate, two negative pressure pipes are one group, four fixed limit rods are fixedly connected to one side, close to the movable seat, of the extrusion plate, two fixed limit rods are one group, each group of special-shaped pull rods are connected with special-shaped pull rods in a sliding mode, second tension springs are connected between the special-shaped pull rods and the fixed limit rods, two negative pressure rods are fixedly connected to the cam ring, the negative pressure rods are connected with the negative pressure pipe in a sliding mode, twelve wedge-shaped groove plates are fixedly connected to the outer side, sliding grooves are formed in sliding grooves of the wedge-shaped groove plates, movable baffles are rotatably connected to the sliding grooves of the wedge-shaped groove plates, and two second torsion springs are connected between the sliding grooves of the wedge-shaped groove plates and the movable baffles.

The movable side-piercing mechanism is arranged on the extrusion plate, the movable side-piercing mechanism comprises a movable piercing needle and a third torsion spring, one side of the extrusion plate, far away from the movable seat, is rotatably connected with four movable piercing needles, and the third torsion spring is connected between the two sides of the movable piercing needles and the extrusion plate.

Further, the probe is characterized by further comprising an arc-shaped air injection pipe and an expanding air bag ring, wherein three arc-shaped air injection pipes are fixedly connected to the inner wall of the probe cylinder, the arc-shaped air injection pipes penetrate through the hose and the operating body, the three expanding air bag rings are fixedly connected between the arc-shaped air injection pipes, the expanding air bag rings are communicated with the arc-shaped air injection pipes, and the expanding air bag rings are located on one side, far away from the hose, of the probe cylinder.

The probe comprises a probe cylinder, a hose, an operation body, a closed air bag ring, an air inflation tube, a closed air bag ring and a control device.

The invention has the following advantages:

doctor puts into patient's alimentary canal with the probe section of thick bamboo, aligns the foreign matter with the probe section of thick bamboo, and the foreign matter has part to enter into the probe section of thick bamboo in, and six stripper plates can keep pressing from both sides tight state of foreign matter to drive the foreign matter and move towards the one side that is close to the hose in the probe section of thick bamboo, the clamping force of stripper plate can more stably and firmly hold the foreign matter, makes the foreign matter enter into the probe section of thick bamboo more smoothly.

When six stripper plates move the centre gripping foreign matter towards the direction that is close to each other, the bottom of negative pressure pipe can contact with the foreign matter, can form a airtight space between foreign matter, negative pressure pipe and the negative pressure pole bottom, and the negative pressure pipe can produce a suction this moment, and this suction can let the foreign matter more stable centre gripping on the stripper plate, is convenient for take out the foreign matter better.

When six stripper plates are close to each other to clamp the foreign matters, the movable needles on the stripper plates can also penetrate the foreign matters, and the stripper plates can also clamp the foreign matters more stably and firmly.

When a doctor puts the probe cylinder into the alimentary canal, firstly, gas is filled into the three arc gas injection pipes on the operation body, the gas enters into the expanding air bag ring from the arc gas injection pipes, the expanding air bag ring can expand, the expanding air bag ring expands and can expand the alimentary canal, the influence of alimentary canal peristaltic motion on taking out the foreign matters can be reduced, and the device can have a more stable environment when taking out the foreign matters.

The doctor fills gas to three gas tube on the operation body, and closed gasbag ring can be at the inside inflation of probe section of thick bamboo, and when patient was sitting, the foreign matter in the probe section of thick bamboo can be moved towards the direction of keeping away from the hose under the effect of gravity, and the foreign matter can be with the contact of the closed gasbag ring of inflation, and the foreign matter stops moving and continues to stay in the probe section of thick bamboo, can let the in-process that the foreign matter was taken out can not break away from the probe section of thick bamboo to can take out the foreign matter more smoothly and steadily.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic perspective view of the probe cylinder, fixed slot tube and hose of the present invention in cross-section.

Fig. 3 is a schematic view of a first partially cut-away perspective of the hydraulic displacement mechanism of the present invention.

Fig. 4 is a schematic view of a second partially cut-away perspective of the hydraulic displacement mechanism of the present invention.

Fig. 5 is an enlarged perspective view of fig. 4 a according to the present invention.

Fig. 6 is a schematic view of a partial perspective structure of the folding mechanism of the present invention.

Fig. 7 is a schematic perspective view showing a cross-sectional structure of the probe tube and the cam ring of the present invention.

Fig. 8 is an enlarged perspective view of the structure of fig. 7B according to the present invention.

Fig. 9 is a schematic view of a first partial perspective structure of the negative pressure suction mechanism of the present invention.

Fig. 10 is a schematic view of a second partial perspective structure of the negative pressure suction mechanism of the present invention.

Fig. 11 is a schematic view of a third partial perspective structure of the negative pressure suction mechanism of the present invention.

Fig. 12 is a partially cut-away perspective view of the negative pressure suction mechanism of the present invention.

Fig. 13 is a schematic perspective view of the extrusion plate of the present invention.

Fig. 14 is an enlarged perspective view of the structure of fig. 13C according to the present invention.

Fig. 15 is a schematic view of a first partial cross-sectional perspective structure of the present invention.

Fig. 16 is a schematic view of a second partial cross-sectional perspective structure of the present invention.

Fig. 17 is a schematic view of a partial perspective structure of the present invention.

In the above figures: 1. the operation body, 2, a hose, 3, a probe tube, 41, a fixed groove tube, 42, a hydraulic tube, 43, a limit ring, 44, a movable seat, 45, a cam ring, 46, a circular ring, 47, a hexagonal pull rope, 48, an extrusion spring, 51, a fixed guide bar, 52, an extrusion plate, 53, a first tension spring, 54, a fixed L-shaped tube, 55, a movable swing rod, 551, a first torsion spring, 61, a negative pressure tube, 62, a fixed limit rod, 63, a special-shaped pull rod, 631, a second tension spring, 64, a negative pressure rod, 65, a wedge groove plate, 651, a movable baffle plate, 652, a second torsion spring, 71, a movable needle, 72, a third torsion spring, 8, an arc-shaped gas injection tube, 9, an expanding balloon ring, 10, an inflation tube, 11 and a closed balloon ring.

Detailed Description

In order to make the object technical scheme and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

Example 1

The utility model provides a digestive tract foreign matter extractor for gastroenterology, is shown as fig. 1-9 and 13-16, including operation body 1, hose 2, probe section of thick bamboo 3, hydraulic pressure mobile mechanism and folding mechanism, the one end welding of operation body 1 has hose 2, the one end welding that operation body 1 was kept away from to hose 2 has probe section of thick bamboo 3, the trapezoid guide way has been opened to probe section of thick bamboo 3 inner wall, hydraulic pressure mobile mechanism establishes in probe section of thick bamboo 3, hydraulic pressure mobile mechanism is used for holding the foreign matter in probe section of thick bamboo 3 entirely, hydraulic pressure mobile mechanism is connected with hose 2, folding mechanism establishes in probe section of thick bamboo 3, folding mechanism is used for holding the foreign matter more tightly.

The hydraulic moving mechanism comprises a fixed groove pipe 41, a hydraulic pipe 42, a limiting ring 43, a moving seat 44, a cam ring 45, a circular ring 46, a hexagonal pull rope 47 and an extrusion spring 48, wherein one end of the probe cylinder 3, which is close to the hose 2, is welded with the fixed groove pipe 41, the fixed groove pipe 41 is positioned in the hose 2, one end of the fixed groove pipe 41, which is close to the probe cylinder 3, is fixedly connected with the hydraulic pipe 42, the hydraulic pipe 42 is communicated with the fixed groove pipe 41, the hydraulic pipe 42 is used for injecting hydraulic liquid into the fixed groove pipe 41, the hydraulic pipe 42 is positioned in the hose 2 and penetrates through the operating body 1, one side of the probe cylinder 3, which is close to the hose 2, is rotatably connected with the limiting ring 43, six movable seats 44 are connected in the probe cylinder 3 in a sliding manner, a cam ring 45 is connected between the six movable seats 44 in a rotating manner, the cam ring 45 is used for driving six movable seats 44 to move together, a circular ring 46 is connected in the fixed groove pipe 41 in a sliding manner, a six-side pull rope 47 is connected between the cam ring 45 and the circular ring 46, the six-side pull rope 47 penetrates through the limiting ring 43, the six-side pull rope 47 penetrates through one end of the hose 2, which is close to the probe cylinder 3, and the six-side pull rope 47 is used for driving the movable seats 44 to move, and a compression spring 48 is connected between the six movable seats 44 and the probe cylinder 3.

The folding mechanism comprises fixed guide strips 51, extrusion plates 52, first tension springs 53, fixed L-shaped pipes 54, movable swing rods 55 and first torsion springs 551, wherein six fixed guide strips 51 are welded at one ends, close to the cam ring 45, of the movable base 44, six extrusion plates 52 are connected onto the fixed guide strips 51 in a sliding mode, six extrusion plates 52 are located in the cam ring 45, six extrusion plates 52 are used for clamping foreign matters, two first tension springs 53 are connected between the extrusion plates 52 and the movable base 44 through hooks, fixed L-shaped pipes 54 are welded onto the cam ring 45, one ends, far away from the cam ring 45, of the fixed L-shaped pipes 54 are connected with guide grooves of the inner wall of the probe cylinder 3 in a sliding mode, the fixed L-shaped pipes 54 are used for driving the cam ring 45 and the extrusion plates 52 to move towards directions close to the flexible pipes 2, movable swing rods 55 are rotatably connected onto the guide grooves of the inner wall of the probe cylinder 3, and the swing rods 55 are used for limiting the fixed L-shaped pipes 52, and the two first swing rods 551 are connected between the guide grooves in the probe cylinder 3 and the movable swing rods 55 through hooks.

The doctor puts the probe tube 3 into the alimentary canal of the patient, aligns the probe tube 3 with the foreign matter, the foreign matter will partially enter the probe tube 3, the doctor continuously injects hydraulic oil into the hydraulic tube 42, the hydraulic oil will enter the fixed slot tube 41 from the hydraulic tube 42, then the hydraulic oil pushes the circular ring 46 to move towards the direction approaching the operation body 1, the circular ring 46 moves to drive the hexagonal pull rope 47 to move, the hexagonal pull rope 47 moves to drive the moving seat 44, the cam ring 45, the fixed guide strip 51, the extrusion plate 52, the first tension spring 53 and the fixed L-shaped tube 54 to move towards the direction approaching the hose 2 in the probe tube 3, the extrusion spring 48 will be compressed, the fixed L-shaped tube 54 will contact with the movable swing rod 55 on the guide slot in the probe tube 3 in the process of moving the fixed L-shaped tube 54 towards the direction approaching the hose 2, the movable swing rod 55 will extrude the fixed L-shaped tube 54, the fixed L-shaped pipe 54 can deviate, the fixed L-shaped pipe 54 deviates to drive the cam ring 45 to deviate, the cam ring 45 deviates to press six extrusion plates 52, the six extrusion plates 52 can move towards the direction of mutual approaching on the fixed guide strip 51, the first tension spring 53 can be stretched, at the moment, the six extrusion plates 52 can clamp the foreign matters, the foreign matters can be taken out more stably, the fixed L-shaped pipe 54 moves horizontally, the six extrusion plates 52 can keep the state of clamping the foreign matters and drive the foreign matters to move towards the side close to the hose 2 in the probe cylinder 3, the clamping force of the extrusion plates 52 can more stably and firmly clamp the foreign matters, so that the foreign matters can enter the probe cylinder 3 more smoothly, when the fixed L-shaped pipe 54 moves horizontally for a certain distance, the guide groove in the probe cylinder 3 can extrude the fixed L-shaped pipe 54 again, the fixed L-shaped pipe 54 can deviate reversely, the fixed L-shaped pipe 54 reversely deflects to drive the cam ring 45 to reversely deflect and reset, the cam ring 45 is separated from contact with the six extrusion plates 52, the cam ring 45 does not extrude the six extrusion plates 52, the first tension spring 53 can reset, the first tension spring 53 resets the six extrusion plates 52 to move and reset in the direction away from each other on the fixed guide strip 51, the six extrusion plates 52 do not clamp foreign matters any more, the foreign matters can remain on one side, close to the hose 2, of the probe cylinder 3, at the moment, staff stops injecting liquid into the hydraulic pipe 42, the liquid in the fixed groove pipe 41 does not push the circular ring 46 and the six pull ropes 47 any more, at the moment, the extrusion spring 48 resets to drive the movable seat 44, the cam ring 45, the fixed guide strip 51, the extrusion plates 52, the first tension spring 53 and the fixed L-shaped pipe 54 to move and reset in the direction away from the hose 2 in the probe cylinder 3, the fixed L-shaped pipe 54 can contact the movable swing rod 55 again, the movable swing rod 55 can deflect the movable swing rod 55, the first torsion spring 551 can be moved, the fixed L-shaped pipe 54 can then move with the movable swing rod 55, the movable swing rod 55 can be separated from the movable swing rod 55, and then the movable swing rod 55 can be completely removed from the movable swing rod 55, and the patient can completely reset the movable swing rod can be completely removed from the movable swing rod 55, and then the movable swing rod 55 can be completely removed from the movable swing rod 55.

Example 2

On the basis of embodiment 1, as shown in fig. 3 and 9-14, the device further comprises a negative pressure suction mechanism, the negative pressure suction mechanism is arranged on the extrusion plate 52, the negative pressure suction mechanism is connected with the cam ring 45, the negative pressure suction mechanism comprises a negative pressure pipe 61, a fixed limiting rod 62, a special-shaped pulling rod 63, a second pulling spring 631, a negative pressure rod 64, a wedge groove plate 65, a movable baffle 651 and a second torsion spring 652, four negative pressure pipes 61 are fixedly connected to one side, close to the movable seat 44, of the extrusion plate 52, two negative pressure pipes 61 are in one group, four fixed limiting rods 62 are welded to one side, close to the movable seat 44, of the extrusion plate 52, two fixed limiting rods 62 are in one group, a special-shaped pulling rod 63 is connected with the fixed limiting rods 62 in a sliding manner, two negative pressure rods 64 are welded on the special-shaped pulling rod 63 through hooks, the negative pressure pipe 64 are in sliding connection with the negative pressure pipe 61, the wedge groove plate 651 is used for connecting the negative pressure pipe 64 with the wedge groove plate 65, the wedge groove plate 65 is in the sliding groove plate 65, and the wedge groove plate 65 is in the sliding connection with the wedge groove plate 65, and the wedge groove plate 65 is in the sliding groove plate 65.

The movable side-piercing mechanism is arranged on the extrusion plate 52 and comprises a movable piercing needle 71 and a third torsion spring 72, four movable piercing needles 71 are rotatably connected to one side, far away from the movable seat 44, of the extrusion plate 52, the movable piercing needles 71 are used for piercing foreign matters, the extrusion plate 52 is convenient to clamp the foreign matters more tightly, and the third torsion spring 72 is connected between the two sides of the movable piercing needles 71 and the extrusion plate 52 through hooks.

When the six squeeze plates 52 move in the direction approaching each other to hold the foreign matter, the bottom of the negative pressure pipe 61 is contacted with the foreign matter, the negative pressure pipe 61, the fixed limit rod 62, the special-shaped pull rod 63, the second tension spring 631 and the negative pressure rod 64 on the squeeze plates 52 also move in the same direction, the squeeze plates 52 move next, the special-shaped pull rod 63 is contacted with the sliding groove of the wedge-shaped groove plate 65, the sliding groove of the wedge-shaped groove plate 65 presses the special-shaped pull rod 63, the special-shaped pull rod 63 moves in the direction far away from the squeeze plates 52 to drive the negative pressure rod 64 to move together, the second tension spring 631 is stretched, a closed space is formed between the foreign matter, the negative pressure pipe 61 and the bottom of the negative pressure rod 64, at this time, the negative pressure pipe 61 generates a suction force which enables the foreign matter to be more stably held on the squeeze plates 52 to facilitate the better removal of the foreign matter, when the extrusion plate 52 drives the foreign matter to move in the probe cylinder 3 towards the direction approaching the hose 2, the special-shaped pull rod 63 passes through the corner of the sliding groove of the wedge-shaped groove plate 65, the special-shaped pull rod 63 contacts with the movable baffle 651, then the special-shaped pull rod 63 extrudes the movable baffle 651, the movable baffle 651 deflects, the second torsion spring 652 is twisted, the special-shaped pull rod 63 moves continuously through the corner of the sliding groove of the wedge-shaped groove plate 65, the special-shaped pull rod 63 is out of contact with the movable baffle 651, the second torsion spring 652 resets to drive the movable baffle 651 to reversely deflect and reset, when the fixed L-shaped pipe 54 moves and resets towards the direction away from the hose 2, the six extrusion plates 52 move and reset on the fixed guide strip 51 towards the direction away from each other, the extrusion plate 52 resets to drive the negative pressure pipe 61 and the fixed limiting rod 62 to reset, the second tension spring 631 resets a part, at this time, the suction force of the negative pressure pipe 61 is reduced, the fixed L-shaped pipe 54 continues to move and reset, the special-shaped pull rod 63 passes through the corner of the sliding groove of the wedge-shaped groove plate 65 again and passes through the movable baffle 651, the special-shaped pull rod 63 is separated from the sliding groove of the wedge-shaped groove plate 65, the wedge-shaped groove plate 65 does not squeeze the special-shaped pull rod 63 any more, the second tension spring 631 can reset completely, the second tension spring 631 resets to drive the special-shaped pull rod 63 to reset, the special-shaped pull rod 63 resets to drive the negative pressure rod 64 to reset, a closed space is not formed between the foreign matter, the negative pressure pipe 61 and the bottom of the negative pressure rod 64 any more, and at this time, the suction force is no longer available in the negative pressure pipe 61.

When the six squeeze plates 52 are close to each other to hold the foreign matter, the movable spike 71 on the squeeze plate 52 pierces the foreign matter, the squeeze plates 52 can hold the foreign matter more stably and firmly, when the six squeeze plates 52 move in the direction away from each other, the squeeze plates 52 reset to drive the movable spike 71 to reset, the movable spike 71 reset does not pierce the foreign matter any more, the squeeze plates 52 move to reset in the direction away from the hose 2, the movable spike 71 may contact with the protrusion of the foreign matter, the protrusion of the foreign matter can squeeze the movable spike 71, the movable spike 71 can deflect, the third torsion spring 72 can be twisted, the squeeze plates 52 move next, the movable spike 71 breaks away from contact with the protrusion of the foreign matter, the protrusion of the foreign matter does not squeeze the movable spike 71 any more, the third torsion spring 72 resets to drive the movable spike 71 to reset.

Example 3

On the basis of embodiment 2, as shown in fig. 15-17, the probe further comprises an arc-shaped air injection pipe 8 and an expanding air bag ring 9, wherein three arc-shaped air injection pipes 8 are fixedly connected to the inner wall of the probe cylinder 3, the arc-shaped air injection pipes 8 penetrate through the hose 2 and the operating body 1, the expanding air bag ring 9 is fixedly connected between the three arc-shaped air injection pipes 8, the expanding air bag ring 9 is communicated with the arc-shaped air injection pipes 8, the arc-shaped air injection pipes 8 are used for injecting air into the expanding air bag ring 9, the expanding air bag ring 9 is positioned on one side, far away from the hose 2, of the probe cylinder 3, and the expanding air bag ring 9 is used for expanding peristaltic digestive tracts.

The probe is characterized by further comprising an inflation tube 10 and a closed air bag ring 11, wherein three inflation tubes 10 are fixedly connected to the inner wall of the probe cylinder 3, the inflation tubes 10 penetrate through the hose 2 and the operation body 1, the three inflation tubes 10 are fixedly connected with the closed air bag ring 11, the closed air bag ring 11 is communicated with the inflation tubes 10, the inflation tubes are used for inflating air into the closed air bag ring 11, the closed air bag ring 11 is positioned on one side, far away from the hose 2, of the probe cylinder 3, and the closed air bag ring 11 is used for limiting foreign matter movement.

When doctor put into the alimentary canal with probe section of thick bamboo 3, at first to the three arc gas injection pipe 8 on the operation body 1 fill gas, gas can enter into the expansion gasbag ring 9 from arc gas injection pipe 8, and the expansion gasbag ring 9 can expand, and the expansion of expansion gasbag ring 9 can struts the alimentary canal, can reduce the alimentary canal peristaltic to the influence of taking out the foreign matter for this device can have more stable environment when taking out the foreign matter.

When the foreign matter enters the probe cylinder 3 and the extruding plate 52 is reset, a doctor fills gas into the three inflation tubes 10 on the operation body 1, the gas enters the closed air bag ring 11 through the inflation tubes 10, the closed air bag ring 11 expands in the probe cylinder 3, the doctor stops filling the gas, then the probe cylinder 3 is taken out from the alimentary canal of a patient, when the patient sits, the foreign matter in the probe cylinder 3 moves towards the direction far away from the hose 2 under the action of gravity, the foreign matter contacts with the expanded closed air bag ring 11, the foreign matter stops moving and continues to remain in the probe cylinder 3, the foreign matter can not be separated from the probe cylinder 3 in the taking-out process, and the foreign matter can be taken out more smoothly and stably.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are all within the protection of the present invention.

Claims

1. The digestive tract foreign body extractor for the digestive system department is characterized by comprising an operating body (1), a hose (2), a probe cylinder (3), a hydraulic moving mechanism and a folding mechanism;

the hose (2) is fixedly connected with one end of the operating body (1);

the probe tube (3), one end of the hose (2) far away from the operation body (1) is fixedly connected with the probe tube (3), and a trapezoid guide groove is formed in the inner wall of the probe tube (3);

the hydraulic moving mechanism is arranged in the probe cylinder (3) and is connected with the hose (2);

the folding mechanism is arranged in the probe cylinder (3) and is used for clamping foreign matters in the digestive tract.

2. The gastrointestinal foreign matter extractor for digestive system department according to claim 1, wherein the hydraulic moving mechanism comprises a fixed groove pipe (41), a hydraulic pipe (42), a limiting ring (43), a moving seat (44), a cam ring (45), a circular ring (46), a hexagonal pull rope (47) and an extrusion spring (48), one end of the probe tube (3) close to the hose (2) is fixedly connected with the fixed groove pipe (41), the fixed groove pipe (41) is positioned in the hose (2), one end of the fixed groove pipe (41) close to the probe tube (3) is fixedly connected with the hydraulic pipe (42), the hydraulic pipe (42) is communicated with the fixed groove pipe (41), the hydraulic pipe (42) is positioned in the hose (2) and penetrates through the operating body (1), one side of the probe tube (3) close to the hose (2) is rotatably connected with the limiting ring (43), six moving seats (44) are slidably connected with the probe tube (3), six moving seats (44) are rotatably connected with each other, one end of the fixed groove pipe (41) close to the probe tube (3) is fixedly connected with the circular ring (46), the circular ring (47) is slidably connected with the circular ring (47), and the hexagonal stay cord (47) passes through one end of the hose (2) close to the probe cylinder (3), and extrusion springs (48) are connected between the six movable seats (44) and the probe cylinder (3).

3. The gastrointestinal foreign body extractor for the gastroenterology according to claim 2, wherein the folding mechanism comprises a fixed guide bar (51), a squeeze plate (52), a first tension spring (53), a fixed L-shaped pipe (54), a movable swing rod (55) and a first torsion spring (551), six fixed guide bars (51) are fixedly connected to one ends, close to the cam ring (45), of the movable seat (44), six squeeze plate (52) are slidingly connected to the fixed guide bars (51), six squeeze plates (52) are positioned in the cam ring (45), two first tension springs (53) are connected between the squeeze plate (52) and the movable seat (44), a fixed L-shaped pipe (54) is fixedly connected to the cam ring (45), one ends, far away from the cam ring (45), of the fixed L-shaped pipe (54) are slidingly connected with guide grooves of the inner wall of the probe cylinder (3), movable swing rods (55) are rotationally connected to the guide grooves of the inner wall of the probe cylinder (3), and two torsion springs (551) are connected between the guide grooves of the probe cylinder (3) and the movable swing rod (55).

4. A gastrointestinal foreign matter extractor for a digestive system according to claim 3, wherein the pressing plate (52) is provided with four circular holes.

5. The gastrointestinal foreign matter extractor for gastroenterology according to claim 3, further comprising a negative pressure suction mechanism, wherein the negative pressure suction mechanism is arranged on the extrusion plate (52), the negative pressure suction mechanism is connected with the cam ring (45), the negative pressure suction mechanism comprises a negative pressure pipe (61), a fixed limit rod (62), a special-shaped pull rod (63), a second tension spring (631), a negative pressure rod (64), a wedge-shaped groove plate (65), a movable baffle plate (651) and a second torsion spring (652), four negative pressure pipes (61) are fixedly connected to one side, close to the movable seat (44), of the extrusion plate (52), four fixed limit rods (62) are fixedly connected to one side, close to the movable seat (44), of the extrusion plate (52), the special-shaped pull rod (63) is slidably connected between each fixed limit rod (62), the special-shaped pull rod (63) is connected with the fixed limit rod (62), the wedge-shaped spring (631) is slidably connected with the wedge-shaped groove (64), the two negative pressure pipes (64) are slidably connected with the wedge-shaped groove (64) on one side, close to the movable seat (44), the movable baffle plate (651) is rotatably connected to the sliding groove of the wedge-shaped groove plate (65), and two second torsion springs (652) are connected between the sliding groove of the wedge-shaped groove plate (65) and the movable baffle plate (651).

6. The gastrointestinal foreign body extractor for a digestive system according to claim 4, further comprising a movable side-piercing mechanism, wherein the movable side-piercing mechanism is arranged on the extrusion plate (52), the movable side-piercing mechanism comprises a movable piercing needle (71) and a third torsion spring (72), one side of the extrusion plate (52) far away from the movable seat (44) is rotatably connected with four movable piercing needles (71), and the third torsion spring (72) is connected between two sides of the movable piercing needle (71) and the extrusion plate (52).

7. The gastrointestinal foreign matter extractor for department of gastroenterology according to claim 5, further comprising an arc-shaped air injection pipe (8) and an air expanding pipe (9), wherein three arc-shaped air injection pipes (8) are fixedly connected to the inner wall of the probe cylinder (3), the arc-shaped air injection pipes (8) penetrate through the hose (2) and the operating body (1), the air expanding pipe (9) is fixedly connected between the three arc-shaped air injection pipes (8), the air expanding pipe (9) is communicated with the arc-shaped air injection pipes (8), and the air expanding pipe (9) is located on one side, far away from the hose (2), of the probe cylinder (3).

8. The gastrointestinal foreign body extractor for the gastroenterology according to claim 6, further comprising an inflation tube (10) and a closed air bag ring (11), wherein three inflation tubes (10) are fixedly connected to the inner wall of the probe cylinder (3), the inflation tube (10) penetrates through the hose (2) and the operating body (1), the closed air bag ring (11) is fixedly connected between the three inflation tubes (10), the closed air bag ring (11) is communicated with the inflation tube (10), and the closed air bag ring (11) is located on one side, far away from the hose (2), of the probe cylinder (3).