CN209826875U - Novel stone extractor for hepatobiliary surgery - Google Patents

Abstract

The utility model provides a hepatobiliary surgery is with novel stone extractor. The novel lithotomy device for hepatobiliary surgery comprises an installation block, a supporting and fixing mechanism, a lifting adjusting mechanism, a lithotomy clamping piece mechanism and a limiting auxiliary mechanism, wherein the lifting nut is connected inside the installation block in a sliding and penetrating manner, and the lifting screw is connected inside the lifting nut in a threaded manner; the bottom parts of the two sides of the limiting support rod are fixedly connected with the telescopic sleeves, and the telescopic sleeve rods are connected inside the telescopic sleeves in a sliding mode; the bottom of the fixed end is rotatably connected with the fixed clamping piece, and the other end of the fixed end is fixedly connected with the telescopic loop bar; the bottom of the lifting nut is fixedly connected with the movable end, and two ends of the movable end are respectively fixedly connected with the movable connecting rod. The utility model provides a hepatobiliary surgery uses novel stone extractor uses in a flexible way, can accurately adjust and get the stone process, has ensured patient's safety simultaneously.

Description

Novel stone extractor for hepatobiliary surgery

Technical Field

The utility model relates to a hepatobiliary department gets stone device technical field, especially relates to a hepatobiliary surgery is with novel stone extractor.

Background

Generally, patients with choledocholithiasis, hepatodocholithiasis and left and right hepatoliths often have clinical symptoms such as abdominal pain, obstructive jaundice and fever. For patients who do not want to do surgery or have contraindications of surgery, relapse after surgery, cholecystectomy and the like, the therapeutic ERCP is preferred. The commonly used therapeutic apparatus is a bile duct calculus removing device. The specific calculus removing process comprises the steps of carrying out retrograde cholangiography by a duodenoscope to know the position, size and number of calculus, carrying out the incision of the nipple under the duodenoscope, and then using a corresponding device to remove the extrahepatic bile duct calculus.

However, in actual clinical treatment activities, since the lithotomy device is usually in a clip shape and is manually operated by medical staff during use, the medical staff may have unstable hands during long-time clinical operation, which may adversely affect the treatment process and the safety of patients.

Therefore, there is a need to provide a new lithotomy device for hepatobiliary surgery to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an it is nimble to use, can accurate regulation get the stone process, ensure the novel stone extractor of hepatobiliary surgery of patient's safety simultaneously.

In order to solve the technical problem, the utility model provides a hepatobiliary surgery is with novel stone extractor includes: the stone taking clamp device comprises an installation block, a supporting and fixing mechanism, a lifting adjusting mechanism, a stone taking clamp mechanism and a limiting auxiliary mechanism, wherein the lifting adjusting mechanism penetrates through the inside of the installation block in a sliding manner and comprises a lifting nut and a lifting screw rod, the lifting nut is connected to the inside of the installation block in a sliding and penetrating manner, and the lifting screw rod is connected to the inside of the lifting nut in a threaded manner; the supporting and fixing mechanism is fixedly connected to the top of the side wall of the lifting nut and comprises a limiting support rod, a telescopic sleeve and a telescopic loop bar, the top of the side wall of the lifting nut is fixedly connected with the limiting support rod, the bottoms of two sides of the limiting support rod are fixedly connected with the telescopic sleeve, and the telescopic loop bar is slidably connected to the inside of the telescopic sleeve; the stone taking clamping piece mechanism is rotatably connected to two sides of the bottom of the mounting block and comprises a rotating rod, a fixed end head and a fixed clamping piece, the two sides of the bottom of the mounting block are respectively and rotatably connected with the rotating rod, the other end of the rotating rod is rotatably connected with the fixed end head, the bottom of the fixed end head is rotatably connected with the fixed clamping piece, and the other end of the fixed end head is fixedly connected with the telescopic loop bar; the limiting auxiliary mechanism is fixedly connected to the bottom of the lifting nut and comprises a movable end and a movable connecting rod, the bottom of the lifting nut is fixedly connected with the movable end, and two ends of the movable end are fixedly connected with the movable connecting rod respectively.

Preferably, the whole mounting block is of a rectangular three-dimensional structure, and a mounting through hole with the same aperture size as the lifting nut is formed in the middle of the mounting block.

Preferably, the whole limiting support rod is in a U shape with an opening facing the bottom.

Preferably, the opposite inner sides of the bottom ends of the two fixing clamping pieces are in a corrugated structure.

Preferably, get stone clamping piece mechanism still includes the activity spout, be equipped with on the relative inside wall of fixed clamping piece the activity spout, two activity connecting rod slip block connect in be equipped with on the fixed clamping piece the position of activity spout.

Preferably, the length of the two movable connecting rods is smaller than that of the fixed clamping piece.

Preferably, the limiting auxiliary mechanism further comprises a thimble, and the bottom of the movable end is fixedly connected with the thimble.

Compared with the prior art, the utility model provides a hepatobiliary surgery is with novel stone extractor has following beneficial effect:

the utility model provides a novel lithotomy device for hepatobiliary surgery, wherein medical staff manually rotates the lifting nut to enable the lifting nut to freely lift on the lifting screw rod, then the lifting nut lifts and drives the movable end to lift up and down, the movable end lifts and drives the movable connecting rod to lift up and down, the movable connecting rod slides up and down freely in the movable chute, two movable connecting rods are continuously opened to prop open two fixed clamping pieces, when the openings of the two fixed clamping pieces reach a certain angle, the lifting nut stops rotating, the medical staff aligns and clamps the stones to be taken out by the fixed clamping pieces, and then the medical staff manually rotates the lifting nut in the opposite direction to close the openings of the fixed clamping pieces to clamp and take out the stones, thereby in the use, this device is more nimble than traditional hand clamp device, but accurate regulation stone removal process, guarantee patient's safety simultaneously.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the novel lithotomy device for hepatobiliary surgery provided by the present invention;

FIG. 2 is a radial cross-sectional view of the whole mechanism of the novel lithotomy device for hepatobiliary surgery provided by the utility model;

fig. 3 is an enlarged view of the portion a shown in fig. 2.

Reference numbers in the figures: 1. the stone taking device comprises an installation block, 2, a supporting and fixing mechanism, 21, a limiting support rod, 22, a telescopic sleeve, 23, a telescopic sleeve rod, 3, a lifting adjusting mechanism, 31, a lifting nut, 32, a lifting screw, 4, a stone taking clamping piece mechanism, 41, a rotating rod, 42, a fixed end, 43, a fixed clamping piece, 44, a movable sliding groove, 5, a limiting auxiliary mechanism, 51, a movable end, 52, a movable connecting rod, 53 and an ejector pin.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the novel lithotomy device for hepatobiliary surgery according to the present invention; FIG. 2 is a radial cross-sectional view of the whole mechanism of the novel lithotomy device for hepatobiliary surgery provided by the utility model; fig. 3 is an enlarged view of the portion a shown in fig. 2. Hepatobiliary surgery uses novel stone extractor includes: the stone taking device comprises an installation block 1, a supporting and fixing mechanism 2, a lifting adjusting mechanism 3, a stone taking clamping piece mechanism 4 and a limiting auxiliary mechanism 5, wherein the lifting adjusting mechanism 3 penetrates through the inside of the installation block 1 in a sliding manner, the supporting and fixing mechanism 2 is fixedly connected to the top of the lifting adjusting mechanism 3, the stone taking clamping piece mechanism 4 is rotatably connected to two sides of the bottom of the installation block 1, and the limiting auxiliary mechanism 5 is fixedly connected to the bottom of the lifting adjusting mechanism 3,

in a specific implementation process, as shown in fig. 1, fig. 2 and fig. 3, the lifting adjusting mechanism 3 slidably penetrates through the inside of the mounting block 1, the lifting adjusting mechanism 3 includes a lifting nut 31 and a lifting screw 32, the lifting nut 31 slidably penetrates through the inside of the mounting block 1, and the lifting screw 32 is threadedly connected inside the lifting nut 31; the supporting and fixing mechanism 2 is fixedly connected to the top of the side wall of the lifting nut 31, the supporting and fixing mechanism 2 comprises a limiting support rod 21, a telescopic sleeve 22 and a telescopic loop bar 23, the top of the side wall of the lifting nut 31 is fixedly connected with the limiting support rod 21, the bottoms of two sides of the limiting support rod 21 are fixedly connected with the telescopic sleeve 22, and the telescopic loop bar 23 is slidably connected inside the telescopic sleeve 22; the stone taking clamping piece mechanism 4 is rotatably connected to two sides of the bottom of the mounting block 1, the stone taking clamping piece mechanism 4 comprises a rotating rod 41, a fixed end 42 and a fixed clamping piece 43, two sides of the bottom of the mounting block 1 are respectively and rotatably connected with the rotating rod 41, the other end of the rotating rod 41 is rotatably connected with the fixed end 42, the bottom of the fixed end 42 is rotatably connected with the fixed clamping piece 43, and the other end of the fixed end 42 is fixedly connected with the telescopic sleeve rod 23; the limiting auxiliary mechanism 5 is fixedly connected to the bottom of the lifting nut 31, the limiting auxiliary mechanism 5 comprises a movable end head 51 and a movable connecting rod 52, the bottom of the lifting nut 31 is fixedly connected with the movable end head 51, and two ends of the movable end head 51 are fixedly connected with the movable connecting rod 52 respectively.

Referring to fig. 1 and 2, the mounting block 1 is a rectangular three-dimensional structure, and a mounting through hole having the same aperture as the lifting nut 31 is formed in the middle thereof, so as to facilitate the fixing and mounting of other structures of the device.

Referring to fig. 1, the whole of the position limiting support rod 21 is U-shaped with an opening facing to the bottom, so as to facilitate the manual grasping of the medical staff when in use.

Referring to fig. 1 and 2, the opposite inner sides of the bottom ends of the two fixing clips 43 are corrugated, so as to facilitate the patient's calculus clamping process.

Referring to fig. 1 and 2, the stone taking clamping piece mechanism 4 further includes a movable sliding groove 44, the movable sliding groove 44 is arranged on the inner side wall of the fixed clamping piece 43, and the movable connecting rod 52 is slidably engaged with the position of the movable sliding groove 44 on the fixed clamping piece 43, so that the movable connecting rod 52 can slide on the fixed clamping piece 43, and the opening of the fixed clamping piece 43 can be controlled conveniently.

Referring to fig. 1 and 2, the auxiliary limiting mechanism 5 further includes a thimble 53, the bottom of the movable end 51 is fixedly connected with the thimble 53, and the lengths of the two movable connecting rods 52 are smaller than the length of the fixed clamping piece 43, so as to further facilitate the breaking and taking out of the patient's calculi when in use.

The utility model provides a hepatobiliary surgery is with novel stone extractor's theory of operation as follows:

when the calculus removing device is used, when calculus at a corresponding affected part of a patient needs to be removed, medical staff firstly hold the limiting support rod 21 manually, the position of the device is adjusted to a reasonable position, then the medical staff rotates the lifting nut 31 manually, the lifting nut 31 is free to lift on the lifting screw 32, the lifting nut 31 lifts to drive the movable end head 51 to lift up and down, the movable end head 51 lifts to drive the movable connecting rod 52 to lift up and down, the movable connecting rod 52 slides up and down freely in the movable sliding groove 44, the two movable connecting rods 52 are continuously opened, the two fixed clamping pieces 43 are opened, when the openings of the two fixed clamping pieces 43 reach a certain angle, the lifting nut 31 stops rotating, and the medical staff clamps the calculus needing to be removed by the fixed clamping pieces 43 in an aligning manner, at this moment, thimble 53 can carry out spacing fixed and destruction to the calculus, later, medical personnel manual again to lifting nut 31 rotates towards opposite direction, makes fixed clamping piece 43's opening is closed, carries out the clamping and takes out to the calculus to in the use, this device is more nimble than traditional hand clamp device, can accurate regulation get the calculus process, ensures patient's safety simultaneously, the whole use of this device of final completion.

Compared with the prior art, the utility model provides a hepatobiliary surgery is with novel stone extractor has following beneficial effect:

the utility model provides a novel lithotomy device for hepatobiliary surgery, medical personnel manually rotate the lifting nut 31, make the lifting nut 31 freely go up and down on the lifting screw 32, then the lifting nut 31 goes up and down to drive the movable end 51 to go up and down, the movable end 51 goes up and down to drive the movable connecting rod 52 to go up and down, make the movable connecting rod 52 freely slide up and down in the movable chute 44, then two movable connecting rods 52 continuously open to prop up two fixed clamping pieces 43, when the openings of two fixed clamping pieces 43 reach a certain angle, stop rotating the lifting nut 31, medical personnel align the fixed clamping pieces 43 to the calculus to be taken out and clamp, afterwards, medical personnel manually rotate the lifting nut 31 in the opposite direction to close the openings of the fixed clamping pieces 43, carry out the clamping to the calculus and take out to in the use, this device is more nimble than traditional hand clamp device, but accurate regulation stone extraction process, guarantee patient's safety simultaneously.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. A hepatobiliary surgery uses novel stone extractor, its characterized in that includes:

a mounting block (1);

the lifting adjusting mechanism (3) penetrates through the mounting block (1) in a sliding manner, the lifting adjusting mechanism (3) comprises a lifting nut (31) and a lifting screw (32), the lifting nut (31) is connected to the mounting block (1) in a sliding and penetrating manner, and the lifting screw (32) is connected to the lifting nut (31) in a threaded manner;

the supporting and fixing mechanism (2) is fixedly connected to the top of the side wall of the lifting nut (31), the supporting and fixing mechanism (2) comprises a limiting support rod (21), a telescopic sleeve (22) and a telescopic loop bar (23), the top of the side wall of the lifting nut (31) is fixedly connected with the limiting support rod (21), the bottoms of two sides of the limiting support rod (21) are fixedly connected with the telescopic sleeve (22), and the telescopic loop bar (23) is connected to the inside of the telescopic sleeve (22) in a sliding mode;

the stone taking clamping piece mechanism (4) is rotatably connected to two sides of the bottom of the installation block (1), the stone taking clamping piece mechanism (4) comprises a rotating rod (41), a fixed end head (42) and a fixed clamping piece (43), two sides of the bottom of the installation block (1) are respectively rotatably connected with one rotating rod (41), the other end of the rotating rod (41) is rotatably connected with the fixed end head (42), the bottom of the fixed end head (42) is rotatably connected with the fixed clamping piece (43), and the other end of the fixed end head (42) is fixedly connected with the telescopic loop bar (23);

spacing complementary unit (5), spacing complementary unit (5) fixed connection in the bottom of lifting nut (31), spacing complementary unit (5) are including activity end (51) and movable connecting rod (52), the bottom fixedly connected with of lifting nut (31) activity end (51), the both ends difference fixedly connected with of activity end (51) movable connecting rod (52).

2. The novel lithotomy device for hepatobiliary surgery according to claim 1, wherein the mounting block (1) is a rectangular three-dimensional structure, and a mounting through hole having the same aperture as the lifting nut (31) is formed in the middle of the mounting block.

3. The novel lithotomy device for hepatobiliary surgery according to claim 1, wherein the whole of the position-limiting support rod (21) is U-shaped with an opening facing the bottom.

4. The novel lithotomy device for hepatobiliary surgery according to claim 1, characterized in that the opposing inner sides of the bottom ends of the two fixing clips (43) are corrugated.

5. The novel lithotomy device for hepatobiliary surgery according to claim 1, wherein the lithotomy clamping piece mechanism (4) further comprises a movable sliding groove (44), the movable sliding groove (44) is disposed on the inner side wall of the fixed clamping piece (43) opposite to the fixed clamping piece, and the two movable connecting rods (52) are slidably engaged with the portion of the fixed clamping piece (43) on which the movable sliding groove (44) is disposed.

6. The novel lithotomy device for hepatobiliary surgery according to claim 1, characterized in that the length of the two movable connecting rods (52) is smaller than the length of the fixed jaw (43).

7. The novel lithotomy device for hepatobiliary surgery according to claim 1, wherein the auxiliary limit mechanism (5) further comprises a thimble (53), and the thimble (53) is fixedly connected to the bottom of the movable end (51).