CN216365182U

CN216365182U - Hepatobiliary surgery is with clinical novel stone extractor

Info

Publication number: CN216365182U
Application number: CN202122808084.XU
Authority: CN
Inventors: 李泓甫
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-26
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to the technical field of medical stone extractors, in particular to a novel clinical stone extractor for hepatobiliary surgery, which comprises a control rod, wherein one end of the control rod is fixedly provided with a soft guide pipe, one end of the soft guide pipe is fixedly provided with a metal pipe, the other end of the control rod is provided with an internal thread block through a bearing, a through hole is formed in the control rod, the control rod is provided with a lead screw through the internal thread block, one end of the lead screw extends to the inside of the through hole and is fixedly provided with a limiting plate, one side of the limiting plate is fixedly provided with a stay cable, one end of the stay cable is fixedly provided with an installation block, clamping jaws are movably arranged on the periphery of the installation block, and the stay cable is positioned on the inner side of the soft guide pipe. The utility model has the characteristics of simple operation and convenience for clamping stones, can lock the stay cable during stone taking, and improves the convenience during stone taking.

Description

Hepatobiliary surgery is with clinical novel stone extractor

Technical Field

The utility model relates to the technical field of medical stone extractors, in particular to a novel clinical stone extractor for hepatobiliary surgery.

Background

Gallstones are diseases in the biliary system including gallstones or gallstones in bile ducts. After calculus is formed in the gallbladder, mucous membranes of the gallbladder are stimulated, which not only causes chronic inflammation of the gallbladder, but also causes secondary infection after the calculus is embedded in the neck or cystic duct of the gallbladder, resulting in acute inflammation of the gallbladder.

When carrying out the calculus operation of getting of gall-stone, the doctor can use the calculus of getting the stone ware with the gall-bladder inside to take out, current stone ware is generally lived the calculus with the metal string bag, and drag the calculus out external or crowd garrulous in the biliary tract, but this kind of stone ware is when meetting the calculus of card knot on the bile duct wall, it is bigger to get the stone degree of difficulty, it is comparatively inconvenient to operate, and some present stone wares lack locking function, make the doctor need to drag the cable of metal string bag manually always, bring inconvenience for getting the stone process, consequently, in order to solve above-mentioned problem, we make the improvement to this, provide a novel stone ware of getting of clinical for hepatobiliary surgery.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a novel clinical lithotomy device for hepatobiliary surgery, which comprises a control rod, wherein one end of the control rod is fixedly provided with a soft catheter, one end of the soft catheter is fixedly provided with a metal tube, the other end of the control rod is provided with an internal thread block through a bearing, a through hole is formed in the control rod, and the control rod is provided with a screw rod through the internal thread block.

The one end of lead screw extends to inside and fixed mounting of through-hole has the limiting plate, one side fixed mounting of limiting plate has the cable, the one end fixed mounting of cable has the installation piece, equal movable mounting all around of installation piece has the clamping jaw, the cable is located the inboard of soft pipe.

As a preferred technical scheme of the utility model, a plurality of anti-slip strips are arranged on the outer surface of the inner thread block at equal intervals, and the right end of the screw rod extends to one side of the inner thread block and is fixedly provided with a limiting block.

As a preferable technical scheme of the utility model, an infusion tube is arranged in the soft catheter, an annular tube is fixedly arranged on the inner side of the metal tube, a liquid outlet tube is fixedly arranged on one side of the annular tube, and one end of the liquid outlet tube is communicated with the infusion tube.

As a preferred technical scheme of the utility model, a plurality of liquid outlet holes are formed on the surface of the metal tube at equal intervals on the circumference, and the interior of the annular tube is communicated with the liquid outlet holes.

As a preferred technical scheme of the utility model, two springs are fixedly arranged among the four clamping jaws, and one ends of the four clamping jaws are respectively provided with an arc convex edge.

As a preferable technical scheme of the utility model, the cross section of the through hole and the limiting plate are both rectangular structures, and a tightening ring is fixedly arranged on one side inside the metal tube.

The utility model has the beneficial effects that:

1. this hepatobiliary surgery is with clinical novel stone extractor can drive the lead screw through rotating the internal thread piece and remove, when the lead screw removes, the lead screw will drive the cable and remove, thereby the position of control installation piece and clamping jaw, shift out the inside back of tubular metal resonator left when the clamping jaw, the spring will drive the clamping jaw and open, can adjust the open range of clamping jaw according to the size of calculus this moment, when the clamping jaw removes right, the ring that tightens will push the clamping jaw, make the clamping jaw shrink to the centre, thereby can clip the calculus, later can take out the calculus through drawing soft pipe outwards.

2. This hepatobiliary surgery is with clinical novel stone ware of getting can avoid the lead screw to follow the internal thread piece through the limiting plate that sets up and rotate, through the auto-lock nature of internal thread piece and lead screw, can drag the knot stone when dragging, to the stay cord locking, need not continuously drag the stay cord, has improved the convenience when getting the stone.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a novel clinical lithotomy device for hepatobiliary surgery according to the present invention;

FIG. 2 is a front view of a novel clinical lithotomy device for hepatobiliary surgery according to the present invention;

FIG. 3 is an enlarged schematic structural view of the site A in FIG. 1 of the novel clinical lithotomy device for hepatobiliary surgery according to the present invention;

FIG. 4 is a side view of a control rod of the novel clinical lithotomy device for hepatobiliary surgery according to the present invention;

in the figure: 1. an arc-shaped convex edge; 2. a clamping jaw; 3. a liquid outlet pipe; 4. a cable; 5. a soft catheter; 6. a transfusion tube; 7. a through hole; 8. a limiting plate; 9. a control lever; 10. a screw rod; 11. an internal thread block; 12. a limiting block; 13. a liquid outlet hole; 14. a spring; 15. tightening the ring; 16. an annular tube; 17. mounting blocks; 18. a metal tube.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a hepatobiliary surgery is with clinical novel stone extractor technical scheme, includes control lever 9, and the one end fixed mounting of control lever 9 has soft pipe 5, and the one end fixed mounting of soft pipe 5 has tubular metal resonator 18, and the internal thread piece 11 is installed through the bearing to the other end of control lever 9, and through-hole 7 has been seted up to the inside of control lever 9, and lead screw 10 is installed through internal thread piece 11 to control lever 9.

The one end of lead screw 10 extends to the inside and the fixed mounting of through-hole 7 and has limiting plate 8, one side fixed mounting of limiting plate 8 has cable 4, the one end fixed mounting of cable 4 has installation piece 17, equal movable mounting all around of installation piece 17 has clamping jaw 2, cable 4 is located the inboard of soft pipe 5, can drive lead screw 10 through rotating internal thread piece 11 and remove about, when the lead screw 10 removes about, lead screw 10 will drive cable 4 and remove, thereby control installation piece 17 and clamping jaw 2's position.

The surface of the internal thread piece 11 is provided with a plurality of anti-slip strips at equal intervals, the right end of the screw rod 10 extends to one side of the internal thread piece 11 and is fixedly provided with a limiting block 12, the internal thread piece 11 can be rotated conveniently through the arranged anti-slip strips, and the screw rod 10 can be prevented from being separated from the internal thread piece 11 through the arranged limiting block 12.

The inside of soft pipe 5 is provided with transfer line 6, and the inboard fixed mounting of tubular metal resonator 18 has annular pipe 16, and one side fixed mounting of annular pipe 16 has drain pipe 3, and the one end and the transfer line 6 intercommunication of drain pipe 3, accessible input help the lax medicament of calculus to transfer line 6, reduce the adsorptivity of calculus to the human body for it is more thoroughly quick to get the stone.

A plurality of liquid outlet holes 13 are formed in the surface of the metal tube 18 at equal intervals, the inner portion of the annular tube 16 is communicated with the liquid outlet holes 13, and the medicament is uniformly sprayed to the surface of the stone through the annular tube 16 and the liquid outlet holes 13.

Fixed mounting has two springs 14 between four clamping jaw 2, and the one end of four clamping jaw 2 all is provided with arc chimb 1, and after clamping jaw 2 shifted out the inside of tubular metal resonator 18, spring 14 will drive clamping jaw 2 and open, through the arc chimb 1 that sets up, the ability is got to the clamp of 2 one ends of multiplicable clamping jaw.

The cross-section of through-hole 7 is the rectangle structure with limiting

plate

8, and 18 inside one side fixed mounting of tubular metal resonator has tightening ring 15, moves when clamping jaw 2 moves right, and tightening ring 15 will extrude clamping jaw 2 for clamping jaw 2 is to middle shrink, through the limiting plate 12 that sets up, can avoid lead screw 10 to follow interior thread piece 11 and rotate.

The working principle is as follows: before use, the safety of each structure of the utility model is checked, when the novel clinical lithotomy device for hepatobiliary surgery is used, the screw rod 10 can be driven to move left and right by rotating the internal thread block 11, when the screw rod 10 moves left and right, the screw rod 10 drives the inhaul cable 4 to move, so that the positions of the installation block 17 and the clamping jaw 2 are controlled, when the clamping jaw 2 moves out of the metal tube 18 leftwards, the spring 14 drives the clamping jaw 2 to open, at the moment, the opening amplitude of the clamping jaw 2 can be adjusted according to the size of the calculus, when the clamping jaw 2 moves rightwards, the tightening ring 15 extrudes the clamping jaw 2, so that the clamping jaw 2 contracts towards the middle, the calculus can be clamped, and then the calculus can be taken out by pulling the soft catheter 5 outwards.

Through the limiting plate 12 that sets up, can avoid lead screw 10 to follow internal thread piece 11 and rotate, through the auto-lock nature of internal thread piece 11 with lead screw 10, can be when dragging the stone, lock cable 4, need not continuously drag cable 4, the convenience when having improved and getting the stone.

When getting the calculus, the accessible is to inputing the lax medicament of calculus in to transfer line 6, and the medicament will evenly spray to the calculus surface through annular tube 16 and play liquid hole 13 to reduce the adsorptivity of calculus to the human body, make to get the calculus more thoroughly fast.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel clinical lithotomy device for hepatobiliary surgery comprises a control rod (9) and is characterized in that, one end of the control rod (9) is fixedly provided with a soft catheter (5), one end of the soft catheter (5) is fixedly provided with a metal pipe (18), the other end of the control rod (9) is provided with an internal thread block (11) through a bearing, a through hole (7) is arranged in the control rod (9), a screw rod (10) is arranged on the control rod (9) through the internal thread block (11), one end of the screw rod (10) extends to the inside of the through hole (7) and is fixedly provided with a limit plate (8), one side of the limiting plate (8) is fixedly provided with a stay cable (4), one end of the stay cable (4) is fixedly provided with a mounting block (17), all movable mounting all around of installation piece (17) has clamping jaw (2), cable (4) are located the inboard of soft pipe (5).

2. The novel clinical lithotomy device for hepatobiliary surgery according to claim 1, wherein a plurality of anti-slip strips are arranged on the outer surface of the internal thread block (11) at equal intervals, and the right end of the screw rod (10) extends to one side of the internal thread block (11) and is fixedly provided with a limit block (12).

3. The novel clinical lithotomy device for hepatobiliary surgery according to claim 1, wherein a perfusion tube (6) is arranged inside the flexible catheter (5), an annular tube (16) is fixedly mounted on the inner side of the metal tube (18), a liquid outlet tube (3) is fixedly mounted on one side of the annular tube (16), and one end of the liquid outlet tube (3) is communicated with the perfusion tube (6).

4. The novel clinical lithotomy device for hepatobiliary surgery according to claim 3, wherein a plurality of liquid outlet holes (13) are formed in the surface of the metal tube (18) at equal intervals on the circumference, and the interior of the annular tube (16) is communicated with the plurality of liquid outlet holes (13).

5. The novel clinical lithotomy device for hepatobiliary surgery according to claim 1, characterized in that two springs (14) are fixedly mounted between the four clamping jaws (2), and an arc-shaped convex edge (1) is arranged at one end of each of the four clamping jaws (2).

6. The novel clinical lithotomy device for hepatobiliary surgery according to claim 1, wherein the cross section of the through hole (7) and the limiting plate (8) are both rectangular structures, and a tightening ring (15) is fixedly mounted on one side inside the metal tube (18).