CN216628615U - Retractor for endoscopic inferior oral and maxillary sinus anterior wall path temporomandibular fossa operation - Google Patents

Abstract

The utility model relates to the field of medical equipment, in particular to a retractor for endoscopic transoral and maxillary sinus anterior wall path infratemporal fossa surgery, which comprises a fixed frame and a retractor, wherein the fixed frame comprises a cross rod, a sliding longitudinal rod, a lifting longitudinal plate and a fixing longitudinal rod, the fixing longitudinal rod is fixedly arranged at the left end of the cross rod, the sliding longitudinal rod is arranged on the cross rod in a sliding manner, the lifting longitudinal plate is arranged on the cross rod in a vertical sliding manner, and the upper end parts of the sliding longitudinal rod and the fixing longitudinal rod are both provided with sliding retractor assemblies. The upper end of slip vertical pole and fixed vertical pole is provided with slip drag hook subassembly, the slip drag hook of slip drag hook subassembly slides and sets up on fixed drag hook, and the end of slip drag hook is to the one side slope 15 that is close to fixed drag hook. The 15-degree draw hook is arranged in a sliding manner, so that muscular tissues outside the temporal fossa tumor of a patient can be better completely pulled apart, a larger space range is formed, the visual field of an operation is better exposed, and the operation of a doctor is facilitated.

Description

Retractor for endoscopic inferior oral and maxillary sinus anterior wall path temporomandibular fossa operation

Technical Field

The utility model relates to the field of medical equipment, in particular to a retractor for endoscopic inferior oral and maxillary sinus anterior wall path temporomandibular fossa operation.

Background

The special retractor for the temporal fossa is used for assisting exposure of an operation field in an operation process of an endoscopic oral soft palate incision temporal fossa tumor, so that external muscular tissues of an operation part are better propped open, the part to be operated is completely exposed in an operation field of a doctor, and the doctor can accurately operate during the operation. However, the existing retractor can only adjust the upper, lower, left and right positions of the retractor, and cannot completely expose the visual field of a tumor part of a patient with a deeper tumor position and more muscle tissues.

SUMMERY OF THE UTILITY MODEL

Aiming at the existing problems, the utility model aims to provide the retractor for endoscopic inferior oral and maxillary sinus anterior wall temporo-inferior fossa operation, which can realize complete exposure of a patient temporo-inferior fossa tumor part so as to be more convenient for a doctor to perform operation.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a tractive ware that is used for under scope through a mouthful, maxillary sinus antetheca path temporo fossa operation, include the mount and set up the drag hook on the mount, the mount includes horizontal pole, slip vertical pole, lift vertical plate and fixed vertical pole, fixed vertical pole is fixed to be set up in the left end of horizontal pole, the slip vertical pole slides and sets up on the horizontal pole, it is provided with the sliding sleeve to slide on the horizontal pole, the sliding sleeve is located between slip vertical pole and the fixed vertical pole, the lift vertical plate sets up on the sliding sleeve, the upper end symmetry of slip vertical pole and fixed vertical pole is provided with two slip drag hook subassemblies, the upper end level of lift vertical plate is provided with the slip drag hook subassembly of a looks isostructure.

Preferably, the upper ends of the sliding longitudinal rod and the fixed longitudinal rod are provided with connecting blocks, and the connecting blocks are connected with the sliding drag hook assembly.

Preferably, the slip drag hook subassembly includes bight, fixed drag hook, slip drag hook and dwang, bight and connecting block fixed connection, fixed drag hook and bight integrated into one piece, set up the screw hole that runs through on the bight, be provided with the rotation hole on the slip drag hook, be provided with the turning block in the rotation hole, be connected with the dwang on the turning block, the screw hole is worn out to the other end of dwang is connected with the knob, the dwang screw thread sets up in the screw hole.

Preferably, the surface of the fixed drag hook close to the sliding drag hook is provided with a T-shaped slide rail, and the surface of the sliding drag hook close to the fixed drag hook is provided with a slide block matched with the T-shaped slide rail.

Preferably, a through groove is formed in the lifting longitudinal plate, a threaded column is arranged on the outer side wall of the sliding sleeve and penetrates through the through groove, a fastener is arranged on the upper thread of the threaded column, and a threaded rod penetrates through the lower wall thread of the sliding sleeve and plays a role in fixing the cross rod.

Preferably, the connecting part of the sliding longitudinal rod and the transverse rod is provided with a fastening bolt.

Preferably, the end of the sliding draw hook is inclined 15 degrees to the side close to the fixed draw hook.

Compared with the prior art, the utility model has the beneficial effects that:

1. the sliding draw hook of the special retractor for the temporomandibular fossa inclines 15 degrees outwards, so that the muscle tissue outside the tumor of the temporomandibular fossa of a patient can be better and completely pulled open to form a larger space range, and the visual field of the operation can be better exposed;

2. this novel special tractive ware of temporales nest's slip drag hook subassembly, the slip drag hook can be along fixed drag hook lapse, and then realizes the regulation in the degree of depth, adjusts different degree of depth according to actual needs to the better field of vision that exposes the operation.

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 the present invention.

Fig. 2 is a top cross-sectional view of two symmetrical sliding retractor assemblies of the present invention.

Figure 3 is a front plan view of the slide and hook assembly of the present invention rotated 90.

Fig. 4 is a front view of the swivelling levers of the present invention.

Fig. 5 is a sectional view of the sliding sleeve of the present invention.

Fig. 6 is a cross-sectional view of a crossbar and a sliding crossbar in accordance with the present invention.

Wherein: 1. the device comprises a cross rod, 2 sliding longitudinal rods, 3 lifting longitudinal plates, 4 fixed longitudinal rods, 5 limiting blocks, 6 connecting blocks, 7 bent parts, 8 fixed draw hooks, 9T-shaped sliding rails, 10 rotating rods, 11 sliding draw hooks, 12 knobs, 13 through grooves, 14 fasteners, 15 rotating blocks, 16 sliding blocks, 17 sliding sleeves, 18 fastening bolts, 19 threaded columns and 20 threaded rods.

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.

Example (b):

referring to the attached drawings 1-6, the retractor for endoscopic transoral and maxillary sinus anterior wall temporomandibular fossa operations comprises a fixed frame and a retractor arranged on the fixed frame, the fixing frame comprises a cross rod 1, a sliding longitudinal rod 2, a lifting longitudinal plate 3 and a fixing longitudinal rod 4, the cross rod 1 is a cuboid rod, the left end of the fixing device is provided with a limiting block, the fixing longitudinal rod 4 is fixedly arranged at the left end of the transverse rod 1, the fixing longitudinal rod 4 is arc-shaped, the sliding longitudinal rod 2 is arranged on the transverse rod 1 in a left-right sliding manner, the transverse rod 1 is provided with a sliding sleeve 17 in a sliding manner, and the sliding sleeve 17 is positioned between the sliding vertical rod 2 and the fixed vertical rod 4, the lifting vertical plate 3 is arranged on the sliding sleeve 17, the upper end of the sliding vertical rod 2 and the upper end of the fixed vertical rod 4 are symmetrically provided with two sliding drag hook assemblies, and the upper end of the lifting vertical plate 3 is horizontally provided with one sliding drag hook assembly with the same structure.

The upper end of the sliding longitudinal rod 2 and the upper end of the fixed longitudinal rod 4 are provided with connecting blocks 6, and the connecting blocks 6 are connected with the sliding drag hook assembly.

Slide hook subassembly includes bight 7, fixed drag hook 8, slide drag hook 11 and dwang 10, bight 7 welds with connecting block 6, fixed drag hook 8 and 7 integrated into one piece of bight, set up the screw hole that runs through on the bight 7, be provided with the rotation hole on the slide drag hook 11, be provided with turning block 15 in the rotation hole, be connected with dwang 10 on the turning block 15, the screw hole is worn out to the other end of dwang 10 and is connected with knob 12, dwang 10 screw thread sets up in the screw hole, rotates knob 12 and drives dwang 10 and rotate, and dwang 10 will precess in the bight 7, and then promotes slide drag hook 11 through turning block 15 and move forward.

Fixed drag hook 8 is close to the surface of slip drag hook 11 and has seted up "T" type slide rail 9, the surface that slip drag hook 11 is close to fixed drag hook 8 is provided with and "T" type slide rail 9 complex slider 16, can play spacing gliding effect to the removal of slip drag hook 11.

Through groove 13 has been seted up on the vertical board 3 that goes up and down, the lateral wall of sliding sleeve 17 is provided with screw thread post 19, screw thread post 19 passes through groove 13, and its upper thread is provided with fastener 14, goes up and down to adjust suitable position after vertical board 3, through screwing fastener 14, and then fixes it, threaded rod 20 is worn to be equipped with by the lower wall screw thread of sliding sleeve 17, and threaded rod 20 screws and can play the fixed action to horizontal pole 1.

The connecting part of the sliding longitudinal rod 2 and the transverse rod 1 is provided with a fastening bolt 18, and after the sliding longitudinal rod 2 slides to a proper position, the sliding longitudinal rod 2 and the transverse rod 1 can be fastened and connected through screwing the fastening bolt 18.

The upper end of the lifting longitudinal plate 3 and the end part of the fixed drag hook 8 are integrally formed.

The tail end of the cross rod 1 is provided with a limiting block 5 which can prevent the sliding longitudinal rod 2 from sliding out.

The tail end of the sliding drag hook 11 inclines by 15 degrees to one side close to the fixed drag hook 8, and the outwards inclined arrangement can realize the wider exposure of the temporomandibular fossa operation part of the patient, so as to perform the operation better.

The principle and the using process of the utility model are as follows:

when the device is used, a sliding drag hook assembly of a retractor extends into a wound position of a patient, then a sliding longitudinal rod 2 slides to a proper position, tissues of the wound are expanded, a fastening bolt 18 is screwed, a sliding sleeve 17 slides to a proper position, a threaded rod 20 is screwed to fix the sliding sleeve 17, then a lifting longitudinal plate 3 is fixed in the left and right directions, the lifting longitudinal plate 3 slides downwards to a proper position, then a fastening piece 14 is screwed to realize the fixation of the height of the lifting longitudinal plate 3, at the moment, a bent part 7 outwards props open wound surface muscles of the patient, a fixed drag hook 8 initially props open wound tissues of the patient, then a knob 12 of the sliding drag hook assembly symmetrically arranged is screwed according to the depth of the wound to move the sliding drag hook 11 forwards to a proper position, and the knob 12 of the sliding drag hook assembly horizontally arranged is screwed to move the sliding drag hook 11 forwards to a proper position, thereby realizing the exposure to the wound depth of the patient and facilitating the accurate operation of the doctor operation.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. A tractive ware that is used for under scope to pass through mouthful, maxillary sinus antetheca route temporomandibular fossa operation, its characterized in that: including the mount and set up the drag hook on the mount, the mount includes horizontal pole (1), slip vertical pole (2), lift vertical plate (3) and fixed vertical pole (4), fixed vertical pole (4) are fixed to be set up in the left end of horizontal pole (1), slip vertical pole (2) slide and set up on horizontal pole (1), it is provided with slip cap (17) to slide on horizontal pole (1), slip cap (17) are located between slip vertical pole (2) and fixed vertical pole (4), lift vertical plate (3) set up on slip cap (17), the upper end symmetry of slip vertical pole (2) and fixed vertical pole (4) is provided with two slip drag hook subassemblies, the upper end level of lift vertical plate (3) is provided with the slip drag hook subassembly of a looks isostructure.

2. The retractor for an endoendoscopic transoral, maxillary sinus anterior wall approach temporomandibular fossa procedure of claim 1 wherein: the upper end parts of the sliding longitudinal rod (2) and the fixed longitudinal rod (4) are provided with connecting blocks (6), and the connecting blocks (6) are connected with the sliding drag hook assembly.

3. The retractor for an endo-endoscopic transoral, maxillary sinus anterior wall approach temporo-inferior fossa procedure according to claim 2, wherein: the slide hook assembly comprises a bent portion (7), a fixed hook (8), a slide hook (11) and a rotating rod (10), the bent portion (7) is fixedly connected with a connecting block (6), the fixed hook (8) and the bent portion (7) are integrally formed, a threaded hole which runs through is formed in the bent portion (7), a rotating hole is formed in the slide hook (11), a rotating block (15) is arranged in the rotating hole, the rotating block (15) is connected with the rotating rod (10), the other end of the rotating rod (10) penetrates out of the threaded hole and is connected with a knob (12), and the rotating rod (10) is arranged in the threaded hole in a threaded mode.

4. The retractor for an endoendoscopic transoral, maxillary sinus anterior wall approach temporomandibular fossa procedure of claim 3, wherein: the surface of the fixed drag hook (8) close to the sliding drag hook (11) is provided with a T-shaped sliding rail (9), and the surface of the sliding drag hook (11) close to the fixed drag hook (8) is provided with a sliding block (16) matched with the T-shaped sliding rail (9).

5. The retractor for an endo-endoscopic transoral, maxillary sinus anterior wall approach temporo-inferior fossa procedure according to claim 4, wherein: through groove (13) have been seted up on going up and down vertical plate (3), the lateral wall of sliding sleeve (17) is provided with screw thread post (19), screw thread post (19) pass through groove (13), and its upper thread is provided with fastener (14), threaded rod (20) are worn to be equipped with by the lower wall screw thread of sliding sleeve (17), play the fixed action to horizontal pole (1).

6. The retractor for an endoendoscopic transoral, maxillary sinus anterior wall approach temporomandibular fossa procedure of claim 5 wherein: and a fastening bolt (18) is arranged at the connecting part of the sliding longitudinal rod (2) and the transverse rod (1).

7. The retractor for an endoendoscopic transoral, maxillary sinus anterior wall approach temporomandibular fossa procedure of claim 6, wherein: the tail end of the sliding drag hook (11) inclines 15 degrees to one side close to the fixed drag hook (8).

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