CN219501078U - Automatic expansion drag hook in endoscopic thyroid surgery - Google Patents

Abstract

The utility model discloses an automatic unfolding drag hook in endoscopic thyroid surgery, which belongs to the technical field of medical instruments and comprises a supporting drag rod, a first drag hook, a second drag hook, a locking component and a limiting component, wherein a groove is formed in the supporting drag rod, one ends of the first drag hook and the second drag hook are respectively in rotary connection with two ends of the supporting drag rod, elastic supporting pieces are respectively arranged between the first drag hook and the supporting drag rod and between the second drag hook and the supporting drag rod, the limiting component is positioned in the groove, the locking component is arranged on the supporting drag rod, when the structure is in a furled state, the structure can directly enter a patient operation position through a endoscopic puncture device without separate percutaneous puncture, no small scar is left after operation, and meanwhile, the limiting function of the first drag hook and the second drag hook can be stopped by pressing the locking component, so that the first drag hook and the second drag hook are spliced with the supporting drag rod to play a traction function required in surgery.

Description

Automatic expansion drag hook in endoscopic thyroid surgery

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an automatic unfolding drag hook in endoscopic thyroid surgery.

Background

There are more and more clinical endoscopic thyroid surgery cases, and anatomically, the thyroid is located in the potential lacuna behind the anterior cervical muscle group, on both sides of the trachea, in front of the cervical vessel sheath, and the first step in surgery is to expand this potential lacuna into a real lacuna.

In order to make up without leaving scars on the neck, after a puncture outfit is placed through a tunnel dilator, a certain pressure is maintained through carbon dioxide, after fascia gaps below platysma are dissociated, the anterior cervical muscle group is retracted through a skin puncture drag hook or a transdermal hanging wire, thyroid tissues are exposed, percutaneous puncture is needed for the drag hook in the prior art, a small Kong Bahen is left after operation, and the whole operation cannot achieve the expected cosmetic effect of a patient.

Disclosure of Invention

The embodiment of the utility model provides an automatic unfolding drag hook in endoscopic thyroid surgery, which aims to solve the technical problems.

The embodiment of the utility model adopts the following technical scheme: including supporting pull rod, first drag hook, second drag hook, locking subassembly and spacing subassembly, the inside of supporting the pull rod is equipped with the recess, first drag hook and second drag hook symmetry set up in the recess, and the one end of first drag hook and second drag hook is the rotation with the both ends of supporting the pull rod respectively and is connected, all be equipped with elastic support spare between first drag hook and the support pull rod and between second drag hook and the support pull rod, spacing subassembly is located the recess, and spacing subassembly is clearance fit with first drag hook and second drag hook respectively, locking subassembly sets up on the support pull rod, and locking subassembly and spacing subassembly clearance fit.

Further, the first draw hook and the second draw hook comprise side rods and hook bodies, one ends of the side rods are rotatably connected with the supporting pull rods, and the hook bodies are fixedly arranged at the other ends of the side rods.

Further, each of the elastic supporting members is a torsion spring.

Further, the locking subassembly includes regulating block and stopper, be equipped with the spout on the supporting rod, and be located the both sides of spout and all be equipped with the spacing groove, the regulating block slides and sets up in the spout and the lower extreme of regulating block is equipped with trapezoidal guide way, the stopper is equipped with two and slides respectively and set up in two spacing inslot, two the stopper is fixed connection with the both sides of regulating block respectively.

Further, spacing subassembly package slider, spring and branch, the fixed setting of branch is located the spout department that is close to in the recess and position, the slider is equipped with two, and two slider symmetry cover are established on the branch and can slide on the branch, the spring is located between two sliders, first drag hook and second drag hook are in when drawing in the state, every be located the spout on the side lever and correspond the department and all be equipped with the locking groove, the side of two sliders is all fixed and is equipped with the fixture block, and every fixture block is located corresponding the locking inslot respectively.

The above at least one technical scheme adopted by the embodiment of the utility model can achieve the following beneficial effects:

firstly, when first drag hook and second drag hook draw in to the recess of supporting the pull rod in, this structure whole occupation space is very little, and accessible endoscope puncture ware directly gets into patient's operation position, and then need not to puncture alone percutaneous, can not cause the postoperative to leave the aperture scar, can effectively reach the cosmetic effect that the patient expects, simultaneously, this structure wholly gets into patient's operation position after, only need press locking component can realize limiting component and stop the restriction effect to first drag hook and second drag hook for first drag hook and second drag hook can be under elastic support's elasticity effect on supporting the pull rod to both ends expansion respectively, and splice with supporting the pull rod and use, in order to play the required tractive effect in the operation, reach the effect of showing the art chamber.

And secondly, the corresponding side rods can be respectively pushed to the outside of the supporting pull rod through each torsion spring, so that each side rod can drive the hook body to rotate from the inside of the groove to the outside and respectively spread towards the two ends of the supporting pull rod, and at the moment, the side rods and the hooks in the first drag hook and the second drag hook are spliced with the supporting pull rod to form a structure which can be used for operation traction.

Thirdly, the two sliding blocks can be pushed to two sides on the supporting rod respectively through the arranged springs, and the clamping blocks at the side ends of the two sliding blocks are respectively clamped in the corresponding locking grooves so as to form a locking effect on each side rod, so that each side rod can be always positioned in the groove for supporting the pull rod;

after this structure gets into the operation position, can press the regulating block, and two slider top positions then can gather together constantly under trapezoidal guide slot's traction action, along with the removal of two sliders, the fixture block that originally is in the locking groove then can break away from gradually, can realize the restriction effect to the side lever for the side lever can be respectively to the both ends direction expansion of supporting the pull rod under the effect of corresponding torsional spring.

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 utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of a first state structure of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of a second state structure of the present utility model;

FIG. 4 is a schematic diagram of the internal structure of the second embodiment of the present utility model;

FIG. 5 is a schematic view of a first state structure of the locking assembly and the spacing assembly of the present utility model;

FIG. 6 is a schematic view of a second state structure of the locking assembly and the spacing assembly of the present utility model;

fig. 7 is a schematic perspective view of a limiting assembly according to the present utility model.

Reference numerals

The support pull rod 1, the groove 11, the elastic support piece 12, the sliding groove 13, the limit groove 14, the first draw hook 2, the side rod 21, the hook body 22, the locking groove 23, the second draw hook 3, the locking component 4, the adjusting block 41, the limit block 42, the trapezoid guide groove 43, the limit component 5, the sliding block 51, the spring 52, the supporting rod 53 and the clamping block 54.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments of the present utility model and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The following describes in detail the technical solutions provided by the embodiments of the present utility model with reference to the accompanying drawings.

The embodiment of the utility model provides an automatic unfolding drag hook in endoscopic thyroid surgery, which comprises a supporting drag rod 1, a first drag hook 2, a second drag hook 3, a locking component 4 and a limiting component 5, wherein a groove 11 is formed in the supporting drag rod 1, the first drag hook 2 and the second drag hook 3 are symmetrically arranged in the groove 11, one ends of the first drag hook 2 and the second drag hook 3 are respectively in rotary connection with two ends of the supporting drag rod 1, elastic supporting pieces 12 are respectively arranged between the first drag hook 2 and the supporting drag rod 1 and between the second drag hook 3 and the supporting drag rod 1, the limiting component 5 is positioned in the groove 11, the limiting component 5 is in movable fit with the first drag hook 2 and the second drag hook 3 respectively, the locking component 4 is arranged on the supporting drag rod 1, and the locking component 4 is in movable fit with the limiting component 5;

when the endoscope puncture device is not used, the first draw hook 2 and the second draw hook 3 are always folded in the groove 11 of the supporting pull rod 1 under the cooperation of the locking component 4 and the limiting component 5, and when the endoscope puncture device is used, the structure can enter an operation part of a patient through the endoscope puncture device, the limiting component 5 can be driven to shrink by pressing the locking component 4, so that the first draw hook 2 and the second draw hook 3 which are originally kept in a connection state with the limiting component 5 are separated from the limiting component 5 at the same time, and under the elastic action of the elastic supporting component 12, the first draw hook 2 and the second draw hook 3 can be respectively unfolded towards the two ends of the supporting pull rod 1, so that the first draw hook 2, the second draw hook 3 and the supporting pull rod 1 integrally form a structure capable of carrying out traction.

Preferably, the first draw hook 2 and the second draw hook 3 each comprise a side rod 21 and a hook body 22, one end of the side rod 21 is rotatably connected with the support pull rod 1, and the hook body 22 is fixedly arranged at the other end of the side rod 21.

Preferably, each elastic supporting element 12 is a torsion spring, when the limiting assembly 5 stops limiting the first draw hook 2 and the second draw hook 3, each corresponding side rod 21 can be pushed to the outside of the supporting draw rod 1 through each torsion spring, so that each side rod 21 can drive the hook body 22 to rotate from the inside of the groove 11 to the outside and be respectively unfolded towards the two ends of the supporting draw rod 1.

Preferably, the locking component 4 comprises an adjusting block 41 and a limiting block 42, the supporting pull rod 1 is provided with a sliding groove 13, limiting grooves 14 are formed in two sides of the sliding groove 13, the adjusting block 41 is slidably arranged in the sliding groove 13, a trapezoid guide groove 43 is formed in the lower end of the adjusting block 41, two limiting blocks 42 are respectively slidably arranged in the two limiting grooves 14, and the two limiting blocks 42 are respectively fixedly connected with two sides of the adjusting block 41.

Preferably, the limit component 5 comprises two slide blocks 51, a spring 52 and a support rod 53, the support rod 53 is fixedly arranged in the groove 11 and is positioned near the position of the chute 13, the two slide blocks 51 are symmetrically sleeved on the support rod 53 and can slide on the support rod 53, the spring 52 is positioned between the two slide blocks 51, when the first draw hook 2 and the second draw hook 3 are in a furled state, each side rod 21 is provided with a locking groove 23 at the corresponding position of the chute 13, the side ends of the two slide blocks 51 are fixedly provided with a clamping block 54, each clamping block 54 is respectively positioned in the corresponding locking groove 23, the two slide blocks 51 can be respectively pushed to two sides on the support rod 53 through the arranged spring 52, the clamping blocks 54 at the side ends of the two slide blocks 51 are respectively clamped in the corresponding locking grooves 23, at this time, a locking effect can be formed on each side rod 21, so that each side rod 21 can be always positioned in the groove 11 for supporting the pull rod 1, the top ends of the two sliding blocks 51 can be kept in contact with the trapezoid guide groove 43 at the lower end of the adjusting block 41 while moving, the adjusting block 41 is jacked up upwards, the limiting blocks 42 at the two sides of the adjusting block 41 can carry out limiting movement in the corresponding limiting grooves 14 and prevent the adjusting block 41 from falling out of the sliding groove 13, after the structure enters an operation position, the adjusting block 41 can be pressed, the top ends of the two sliding blocks 51 can be continuously gathered under the traction effect of the trapezoid guide groove 43, and the clamping blocks 54 originally positioned in the locking grooves 23 can be gradually separated along with the movement of the two sliding blocks 51, so that the limiting effect on the side rods 21 can be realized.

The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.

Claims (5)

1. The utility model provides an automatic expansion drag hook in laparoscopic thyroid surgery, its characterized in that, including supporting pull rod (1), first drag hook (2), second drag hook (3), locking subassembly (4) and spacing subassembly (5), the inside of supporting pull rod (1) is equipped with recess (11), first drag hook (2) and second drag hook (3) symmetry set up in recess (11), and the one end of first drag hook (2) and second drag hook (3) is the rotation with the both ends of supporting pull rod (1) respectively and is connected, all be equipped with elastic support piece (12) between first drag hook (2) and supporting pull rod (1) and between second drag hook (3) and supporting pull rod (1), spacing subassembly (5) are located recess (11), and spacing subassembly (5) are clearance fit with first drag hook (2) and second drag hook (3) respectively, locking subassembly (4) set up on supporting pull rod (1), and locking subassembly (4) and spacing subassembly (5) clearance fit.

2. The automatic expansion retractor for endoscopic thyroid surgery according to claim 1, wherein the first retractor (2) and the second retractor (3) comprise side bars (21) and a hook body (22), one end of the side bar (21) is rotatably connected with the supporting pull bar (1), and the hook body (22) is fixedly arranged at the other end of the side bar (21).

3. A self-expanding retractor for use in endoscopic thyroid surgery according to claim 1, wherein each of said resilient supports (12) is a torsion spring.

4. The automatic expansion drag hook in endoscopic thyroid surgery according to claim 1, wherein the locking component (4) comprises an adjusting block (41) and a limiting block (42), a sliding groove (13) is arranged on the supporting pull rod (1), limiting grooves (14) are formed in two sides of the sliding groove (13), the adjusting block (41) is slidably arranged in the sliding groove (13), a trapezoid guide groove (43) is formed in the lower end of the adjusting block (41), two limiting blocks (42) are respectively slidably arranged in the two limiting grooves (14), and the two limiting blocks (42) are respectively fixedly connected with two sides of the adjusting block (41).

5. The automatic expansion draw hook in endoscopic thyroid surgery according to claim 2, wherein the limit component (5) comprises a sliding block (51), a spring (52) and a supporting rod (53), the supporting rod (53) is fixedly arranged in the groove (11) and is located close to the sliding groove (13), the sliding blocks (51) are arranged in two, the two sliding blocks (51) are symmetrically sleeved on the sliding rod (53) and can slide on the sliding rod (53), the spring (52) is located between the two sliding blocks (51), when the first draw hook (2) and the second draw hook (3) are in a folded state, locking grooves (23) are formed in positions, corresponding to the sliding grooves (13), of each side rod (21), clamping blocks (54) are fixedly arranged at the side ends of the two sliding blocks (51), and each clamping block (54) is located in the corresponding locking groove (23).