CN217853187U

CN217853187U - Through endoscope load handling device

Info

Publication number: CN217853187U
Application number: CN202221726095.1U
Authority: CN
Inventors: 宗政; 钟静; 吴菊
Original assignee: Zigong First Peoples Hospital
Current assignee: Zigong First Peoples Hospital
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-22
Anticipated expiration: 2032-07-06

Abstract

The utility model discloses a through endoscope load handling device relates to medical equipment technical field, and when having solved clinical operation clamp and getting, the rotten thing of fragile, and the single presss from both sides the problem of getting the volume few, and its technical scheme main points are: comprises a pushing mechanism; the guide pipe mechanism is connected with the pushing mechanism and comprises an outer pipe and an inner pipe assembly, and the inner pipe assembly comprises a pushing rod, a connecting piece and a fetching piece which are sequentially connected; the object taking piece has two states of compression and expansion, the object taking piece is arranged in the outer pipe when in the compression state, the object taking piece extends out of the outer pipe when in the expansion state, and the opening of the object taking piece is connected with the mouth tying piece; the rotten thing is taken out through expandable fetching piece parcel rotten thing to through restraint oral organ shrink fetching piece opening, it is many to press from both sides the volume once, also is difficult for destroying the rotten thing.

Description

Through endoscope load handling device

Technical Field

The utility model relates to the technical field of medical equipment, more specifically say that it relates to a through endoscope load handling device.

Background

When a patient with severe tracheal hemorrhage is rescued, the trachea is often blocked by large blood clots in the air passage, so that the patient is lack of oxygen and critical in illness. At present, biopsy forceps are commonly used clinically and are clamped through endoscope observation, but blood clots are rotten and easy to be clamped and broken, and are difficult to clamp cleanly at one time, and the effect is not ideal. Therefore, an efficient and soft endoscopic fetching device for fetching the rotten object is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that when clinical operation clamp was got, the rotten thing of destructible, and the single clamp volume of getting is few, and aim at provides one kind through endoscope load handling device, gets thing piece parcel rotten thing through inflatable to get thing piece opening through restrainting a mouthful piece shrink, take out the rotten thing, the single clamp volume of getting is many, also is difficult to destroy the rotten thing.

The utility model discloses a following technical scheme realizes:

an endoscopic object-taking device comprises a pushing mechanism; the guide pipe mechanism is connected with the pushing mechanism and comprises an outer pipe and an inner pipe assembly, and the inner pipe assembly comprises a pushing rod, a connecting piece and an object taking piece which are sequentially connected; the fetching piece has two states of compression and expansion, the fetching piece is arranged in the outer tube when in the compression state, the fetching piece extends out of the outer tube when in the expansion state, and the opening of the fetching piece is connected with the opening restraining piece.

Adopt above-mentioned technical scheme, the accessible is got the rotten thing of thing parcel and is got, gets the thing and stretches out and be the expanded state behind the outer tube, can wrap up the rotten thing in the pipeline to get the opening of thing through restrainting the shrink of mouth piece, ensure that the rotten thing is along with getting the thing and together remove, the mode clamp that adopts the parcel is got, can avoid directly getting the rotten thing of clamp on the one hand, makes its damage, and on the other hand can increase the single volume of getting of pressing from both sides, improves work efficiency.

Further, the diameter of the fetching member is gradually increased from the proximal end to the distal end when the fetching member is in the expansion state.

Further, the maximum diameter of the fetching piece is matched with the diameter of the trachea.

By adopting the technical scheme, the object taking piece expansion opening is funnel-shaped, the diameter of the opening is matched with the diameter of the trachea, and the rotten object can be pushed and wrapped along the trachea.

Furthermore, the fetching object is formed by weaving memory metal, and a biological film is arranged on the surface of the fetching object.

By adopting the technical scheme, the fetching piece can be deformed and compressed to the inside of the outer pipe within a certain temperature range, can expand and recover the shape after extending out of the outer pipe, and the surface of the fetching piece is covered with the biological membrane to wrap the rotten object inside the fetching piece.

Further, the binding opening piece is made of a metal wire, the middle of the binding opening piece is crossed to form a ring, and the ring is knitted in the opening of the object taking piece.

By adopting the technical scheme, the size of the opening is adjusted by weaving the loop in the opening, and the loop can be reduced by dragging the two ends of the tying piece, namely the opening for taking the object is reduced.

Furthermore, the binding piece is made of two metal wires, the middle parts of the left binding piece and the right binding piece are crossed to form a ring, and the ring is woven on the left side and the right side of the opening of the fetching piece.

By adopting the technical scheme, the two ends of the left side binding piece and the two ends of the right side binding piece are dragged to reduce the ring, so that the opening for taking the object is reduced.

Furthermore, the two ends of the opening restraining piece are axially arranged along the outer pipe and the pushing mechanism, and the opening restraining piece extends out of the pushing mechanism and is connected with the pull ring.

Furthermore, the pull ring is annular, and the inner diameter of the pull ring is matched with the diameter of the finger.

By adopting the technical scheme, the opening of the object can be contracted and taken by dragging the pull ring in the operation, the shape of the pull ring is matched with the finger, and the finger can conveniently hook the pull ring.

Furthermore, the pushing mechanism comprises a pushing member, one end of the outer tube is connected with the pushing mechanism, and one end of the inner tube assembly is connected with the pushing member.

By adopting the technical scheme, the inner pipe can be driven to axially move along the outer pipe by moving the pushing piece.

Further, the outer tube has a diameter smaller than that of the endoscope insertion tube.

By adopting the technical scheme, the outer tube can be matched with the endoscope and enters the trachea for clamping through the endoscope.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a device for fetching objects through an endoscope, which is characterized in that a rotten object is wrapped by an object fetching piece with two states of contraction and expansion to fetch the objects, a binding piece is woven on an opening of the object fetching piece, and the opening of the object fetching piece can be contracted, so that the rotten object is taken out along with the device; the utility model discloses do not directly exert the effort to rotten thing when getting the thing, can avoid the damaged division of rotten thing, get the expandable of thing piece simultaneously, improve the single and press from both sides the volume of getting.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic structural view of a fetching device according to an embodiment of the present invention;

fig. 2 is a schematic view illustrating a contraction state of the object-taking member according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating an expansion state of the fetching member according to an embodiment of the present invention;

fig. 4 is a schematic view of a binding member according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a first stage of operation according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a second stage of operation according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a third stage of operation according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a tying member according to an embodiment of the present invention;

fig. 9 is another schematic structural view of a tying member according to an embodiment of the present invention;

reference numbers and corresponding part names in the figures:

10. a pushing mechanism; 20. an outer tube; 30. an inner tube assembly; 11. a pushing member; 31. a push rod; 32. a connecting member; 33. taking an object; 34. a mouth-tying piece; 35. and (4) a pull ring.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood, the following description is given for further details of the present invention with reference to the accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention, and are not intended to limit the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It is to be understood that the terms "proximal," "distal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship that is indicated relative to the orientation or positional relationship shown in the drawings, which is for convenience in describing the invention and to simplify the description, and that does not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation, and is not to be construed as limiting the invention.

Example 1

This example 1 provides a device for endoscopic retrieval, as shown in figures 1-7,

including push mechanism 10, outer tube 20 and inner tube subassembly 30, as shown in fig. 1, push mechanism 10 includes push member 11, and push member 11 can be followed push mechanism 10 axial displacement, and the distal end of push mechanism 10 is connected with outer tube 20, and the distal end of push member 11 is connected with inner tube subassembly 30, and push member 11 can drive inner tube subassembly 30 and follow outer tube 20 axial displacement.

For ease of understanding, we define proximal as the end near the operator and distal as the end near the patient.

The inner tube assembly 30, as shown in fig. 2, includes a push rod 31, a connecting member 32 and an object-taking member 33 connected in sequence; the near end of the pushing rod 31 is connected with the pushing element 11, when the pushing element 11 moves along the axial direction of the pushing mechanism 10, the pushing rod 31 is driven to move together, the far end of the pushing rod 31 is connected with the connecting element 32, the near end of the object-taking piece 33 is fixedly connected with the pushing rod 31 through the connecting element 32, and the pushing rod 31 and the object-taking piece 33 can be connected through the connecting element 32 in a spot welding mode.

The fetching object 33, as shown in fig. 2-4, is woven by memory metal, and covered with a biological membrane, the fetching object 33 has two states of compression and expansion, the fetching object 33 is deformed and compressed into the outer tube 20 at a specific temperature, as shown in fig. 2, the compressed state of the fetching object 33 is maintained through the outer tube wall, after the fetching object 33 is pushed out of the outer tube 20 by the pushing member, the fetching object 33 is gradually expanded and restored at the temperature of the trachea, as shown in fig. 3, the fetching object 33 is expanded to be in a funnel shape with a diameter gradually increasing from the proximal end to the distal end, the distal end of the fetching object 33 is an annular opening, and the diameter of the opening is matched with the diameter of the trachea, so as to be attached to the trachea wall and be convenient for moving fetching, the opening of the fetching object 33 is woven with a tying object 34, as shown in fig. 4, the tying object 34 is made of metal wire and is used for shrinking the opening of the fetching object 33.

The both ends of the binding piece 34 are arranged along the axial direction of the outer tube 20 and the pushing mechanism 10, the binding piece 34 extends out of the pushing mechanism 10 and is connected with the pull ring 35, the pull ring 35 is annular, the inner diameter of the pull ring 35 is matched with the diameter of a finger, and an operator can draw the pull ring through a forefinger to shrink an opening of the object 33.

The outer tube 20 has a diameter smaller than the diameter of the endoscope insertion tube, and the outer tube 20 can be inserted into the trachea via the endoscope.

In the implementation of this embodiment, as shown in fig. 5-7, the outer tube 20 is inserted into the trachea through the endoscope, and under the observation of the endoscope, the outer tube is close to the rot, as shown in fig. 5, the fetching object 33 is pushed by the pushing member 11 to extend out of the outer tube 20, the fetching object 33 extending out of the outer tube 20 is changed from a compressed state to an expanded state, the fetching member 33 in the expanded state is funnel-shaped, and surrounds the rot, as shown in fig. 6, the opening of the fetching object 33 is contracted by the tying member 34, and the rot is wrapped in the fetching member 33, as shown in fig. 7, the picking up without directly applying force to the rot is realized, and the damage of the rot can be avoided.

In the case of the example 2, the following examples are given,

embodiment 2 includes the content described in embodiment 1, and details are not repeated herein, but the embodiment 2 provides a specific structure of the tying member 34, as shown in fig. 8, the tying member 34 is made of a single metal wire, the middle of the tying member 34 is crossed to form a loop, the loop is knitted in the opening of the fetching member 33, both ends of the tying member 34 can be pulled to contract the opening of the fetching member 33, both ends of the tying member 34 are arranged along the axial direction of the outer tube 20 and the pushing mechanism 10, the tying member 34 extends out of the pushing mechanism 10 and is connected with the pull ring 35, and the pull ring 35 is pulled to contract the opening of the fetching member 33.

In the case of the embodiment 3, the following examples,

embodiment 3 includes the content described in embodiment 1, and will not be described in detail, but embodiment 3 provides another object fetching structure, as shown in fig. 9, the tying member 34 is made of two metal wires, the middle portions of the left tying member 4 and the right tying member 34 intersect with each other to form a loop, the loop is knitted on the left and right sides of the opening of the object fetching member 33, the opening of the object fetching member 33 can be retracted by pulling both ends of the left tying member 34 and both ends of the right tying member 34, both ends of the left and right tying members 34 are disposed along the axial direction of the outer tube 20 and the pushing mechanism 10, the tying member 34 extends out of the pushing mechanism 10 and is connected with the pull ring 35, and the opening of the object fetching member 33 can be retracted by pulling the pull ring 35.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A device for fetching objects through an endoscope is characterized in that: comprises that

A pushing mechanism (10);

the guide pipe mechanism is connected with the pushing mechanism (10), the guide pipe mechanism comprises an outer pipe (20) and an inner pipe assembly (30), and the inner pipe assembly (30) comprises a pushing rod (31), a connecting piece (32) and a fetching piece (33) which are sequentially connected;

the object taking device (33) has two states of compression and expansion, the object taking device (33) is placed in the outer tube (20) when in the compression state, the object taking device (33) extends out of the outer tube (20) when in the expansion state, and an opening of the object taking device (33) is connected with a mouth restraining piece (34).

2. The device for endoscopic removal of objects as in claim 1, wherein: the diameter of the extractor (33) is gradually increased from the proximal end to the distal end when the extractor is in the expanded state.

3. The endoscopic object removal device according to claim 2, wherein: the maximum diameter of the object (33) is adapted to the diameter of the trachea.

4. The endoscopic object removal device according to claim 1, wherein: the fetching object (33) is woven by memory metal, and a biological film is arranged on the surface of the fetching object (33).

5. The device of claim 4, wherein: the binding opening piece (34) is made of a metal wire, the middle of the binding opening piece (34) is crossed to form a ring, and the ring is knitted on the opening of the object taking piece (33).

6. The endoscopic object extraction device according to claim 4, wherein: the binding piece (34) is made of two metal wires, the middle parts of the left binding piece (34) and the right binding piece (34) are crossed to form a ring, and the ring is knitted on the left side and the right side of the opening of the object taking piece (33).

7. The endoscopic object removal device according to claim 1, wherein: the two ends of the tying piece (34) are axially arranged along the outer pipe (20) and the pushing mechanism (10), and the tying piece (34) extends out of the pushing mechanism (10) and is connected with the pull ring (35).

8. The device for endoscopic extraction of claim 7, wherein: the pull ring (35) is annular, and the inner diameter of the pull ring (35) is adapted to the diameter of fingers.

9. The device for endoscopic removal of objects as in claim 1, wherein: the pushing mechanism (10) comprises a pushing piece (11), one end of the outer tube (20) is connected with the pushing mechanism (10), and one end of the inner tube assembly (30) is connected with the pushing piece (11).

10. The device for endoscopic removal of objects as in claim 1, wherein: the outer tube (20) has a diameter smaller than the diameter of the endoscope insertion tube.