CN217489172U - Adjustable bracket for nasal endoscopic skull base operation - Google Patents

Abstract

The utility model discloses an adjustable bracket for nasal endoscope cranial base operation, relating to the technical field of medical instruments. The utility model discloses a place the bottom plate on the operating table and fix the headrest on the bottom plate, offer the recess that is used for holding patient's back head spoon on the headrest, be connected with on the bottom plate along operating table length to position adjustable support body, install vertical position adjustable link assembly on the support body, link assembly keeps away from the end-to-end connection of support body has the toper fill that inserts in the nostril. The utility model discloses an adjust the support body and remove to patient's nostril top, then adjust link assembly and make the toper fight can insert to patient's nasal cavity and then can prepare for guiding surgical instruments, solved the difficult problem that passes from the nostril of surgical instruments, patient's afterbrain spoon is arranged in the recess simultaneously, can avoid patient's head to easily take place the problem of skew.

Description

Adjustable bracket for nasal endoscopic skull base operation

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to adjustable support of nasal endoscope skull base operation.

Background

At present medical level, some intracranial operations can adopt nose endoscope to carry out intracranial minimally invasive operations, and then avoid opening the cranium, reduce the operation risk, but the nasal cavity mouth is less, and the apparatus is not very easy to pass from the nostril during operation, and is very inconvenient, and the skew easily takes place to pillow when the operation patient's head simultaneously on ordinary pillow, is unfavorable for going on of operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: in order to solve the problems in the prior art, the utility model provides an adjustable bracket for the nasal endoscope skull base operation.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides an adjustable support of intranasal mirror skull base operation, is including placing the bottom plate on the operating table and fixing the headrest on the bottom plate, its characterized in that, offer the recess that is used for holding patient's back head spoon on the headrest, be connected with on the bottom plate along operating table length to position adjustable's support body, install vertical position adjustable's link assembly on the support body, link assembly keeps away from the end-to-end connection of support body has the toper fill that inserts in the nostril.

Further, the support body sets up and fixes including the symmetry the arc knee of bottom plate distolateral and the constitution are the main part pole of U type, two the arc knee is kept away from the one end of bottom plate all is fixed with the level to the slide cartridge that sets up, the main part pole slides and sets up inside the slide cartridge, still including the restriction the main part pole is in gliding restriction subassembly of slide cartridge.

Further, the limiting assembly comprises screw threads constructed at outer walls of two end portions of the main body rod and hand nuts symmetrically arranged at two ends of the sliding barrel and in threaded connection with the screw threads.

Further, the connecting rod assembly comprises a first pivot part fixed to the end side of the main body rod, a connecting rod adjustable in vertical angle is rotatably connected to the first pivot part, and a second pivot part adjustable in vertical angle and fixed to the tapered bucket is rotatably connected to the tail end, far away from the first pivot part, of the connecting rod.

Further, the first pivot portion and the second pivot portion are both block bodies which are U-shaped, two ends of the connecting rod are respectively arranged in the U-shaped inner portions of the first pivot portion and the second pivot portion and are symmetrically fixed with threaded rods which penetrate through the first pivot portion or the second pivot portion, and the threaded rods are in threaded connection with fastening nuts, so that after the connecting rod rotates around the axis of the threaded rods, the fastening nuts can be rotated to abut against the outer wall of the first pivot portion or the second pivot portion, and the first pivot portion or the second pivot portion can clamp the connecting rod.

Further, a damping rubber mat is sleeved outside the threaded rod and is arranged between the connecting rod and the first pivot portion or the second pivot portion.

The beneficial effects of the utility model are as follows:

the utility model discloses an adjust the support body and remove to patient's nostril top, then adjust link assembly and make the toper fight can insert to patient's nasal cavity and then can prepare for guiding surgical instruments, solved the difficult problem that passes from the nostril of surgical instruments, patient's back head spoon is arranged in the recess simultaneously, can avoid patient's head to easily take place the problem of skew.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

reference numerals are as follows: 1. a base plate; 2. a headrest; 3. a groove; 4. a frame body; 401. an arc-shaped bent rod; 402. a main body rod; 403. a slide cylinder; 404. a restraining component; 4041. screw teeth; 4042. screwing the nut by hand; 5. a connecting rod assembly; 501. a first pivot portion; 502. a connecting rod; 503. a second pivot portion; 504. a threaded rod; 505. fastening a nut; 506. a damping rubber pad; 6. a conical hopper.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in fig. 1 and 2, an adjustable bracket for an intranasal endoscopic skull base operation comprises a base plate 1 placed on an operating table and a headrest 2 fixed on the base plate 1, wherein a groove 3 for accommodating a back head scoop of a patient is formed in the headrest 2, the base plate 1 is connected with a frame body 4 which can be adjusted along the length direction of the operating table, the frame body 4 is provided with a connecting rod assembly 5 which can be adjusted vertically and can adjust the position, the tail end of the connecting rod assembly 5, which is far away from the frame body 4, is connected with a conical hopper 6 inserted into a nostril, in some embodiments, the frame body 4 is adjusted to be moved above the nostril of the patient, then the connecting rod assembly 5 is adjusted to ensure that the conical hopper 6 can be inserted into the nasal cavity of the patient to prepare for guiding surgical instruments, the problem that the surgical instruments are not easy to pass through the nostril is solved, and meanwhile, the back head scoop of the patient is placed in the groove 3 to avoid the problem that the head of the patient is easy to deviate, specifically, the method comprises the following steps: when the operation, at first place bottom plate 1 in the head one side of operating table, make the head of patient pillow on headrest 2 after that, and let the back head spoon of patient arrange in recess 3, then adjust support body 4 and remove to patient's nostril top, adjust link assembly 5 to make the toper fight 6 can insert patient's nasal cavity after that, make the nostril exit end of patient's nasal cavity propped open a little, the inner wall of fighting 6 because of the toper is smooth form, the tail end is far away than the nostril exit end simultaneously, when inserting surgical instruments, great hole is easily inserted, the smooth sense of involving that does not have of inner wall simultaneously, when making surgical instruments insert in the nasal cavity, compare in the inner wall of nasal cavity and insert more easily.

As shown in fig. 1, in some embodiments, the frame body 4 includes arc-shaped curved bars 401 symmetrically arranged and fixed on the end side of the bottom plate 1 and a main body bar 402 configured as a U shape, one end of each of the two arc-shaped curved bars 401 far away from the bottom plate 1 is fixed with a horizontally arranged sliding cylinder 403, the main body bar 402 is slidably arranged inside the sliding cylinder 403, and further includes a limiting assembly 404 for limiting the main body bar 402 to slide in the sliding cylinder 403, specifically: when adjusting the frame body 4, the main body rod 402 is first pulled along the slide cylinder 403 so that it is moved to a proper position and then restricted from further sliding using the restricting assembly 404.

As shown in fig. 1, in some embodiments, the limiting assembly 404 includes threads 4041 configured at outer walls of both ends of the main body rod 402 and hand nuts 4042 symmetrically disposed at both ends of the slide cylinder 403 and threadedly coupled with the threads 4041, specifically: in use of the restraining assembly 404, as shown in fig. 1, the hand nuts 4042 at the two ends of the slide cylinder 403 are screwed so as to be away from the slide cylinder 403, and the main body bar 402 can slide along the slide cylinder 403, and when the hand nuts 4042 are screwed so as to move along the threads 4041 to the two ends of the slide cylinder 403, the main body bar 402 can no longer move along the slide cylinder 403.

As shown in fig. 1 and 3, in some embodiments, the link assembly 5 includes a first pivot portion 501 fixed to an end side of the main body 402, a connecting rod 502 with an adjustable vertical angle is rotatably connected to the first pivot portion 501, and a second pivot portion 503 with an adjustable vertical angle and fixed to the tapered bucket 6 is rotatably connected to a distal end of the connecting rod 502 away from the first pivot portion 501, specifically: when the adjustable cone-shaped bucket 6 is inserted into the nostril of a patient, the main body rod 402 is firstly moved to the position above the nostril of the patient, then the connecting rod 502 is rotated, the rotating point of the connecting rod 502 and the first pivot part 501 is rotated, the pivoting point of the connecting rod 502 and the second pivot part 503 is rotated, after the cone-shaped bucket 6 can be inserted into the nostril of the patient, the limiting assembly 404 is used for limiting the main body rod 402 to move along the sliding barrel 403.

As shown in fig. 1 and 3, in some embodiments, the first pivot portion 501 and the second pivot portion 503 are both block bodies configured as a U shape, two ends of the connecting rod 502 are respectively disposed inside the U shape of the first pivot portion 501 and the second pivot portion 503, and a threaded rod 504 penetrating the first pivot portion 501 or the second pivot portion 503 is symmetrically fixed to the two ends of the connecting rod 502, and a fastening nut 505 is externally threaded to the threaded rod 504, so that after the connecting rod 502 rotates around the axis of the threaded rod 504, the rotatable fastening nut 505 abuts against the outer wall of the first pivot portion 501 or the second pivot portion 503 to enable the first pivot portion 501 or the second pivot portion 503 to clamp the connecting rod 502, specifically: in order to avoid the connection rod 502 and the first pivot portion 501 or the second pivot portion 503 from rotating again when the connection rod is rotated to a proper angle, the fastening nut 505 can be screwed to make the other fastening nut 505 force the first pivot portion 501 or the second pivot portion 503 to deform towards the inside, so as to clamp the connection rod 502, thereby achieving the angle fixation.

As shown in fig. 3, in some embodiments, a damping rubber pad 506 is sleeved outside the threaded rod 504 and the damping rubber pad 506 is disposed between the connecting rod 502 and the first pivot portion 501 or the second pivot portion 503, specifically: the damping rubber pad 506 is used for forcing the connecting rod 502 and the first pivot portion 501 or the second pivot portion 503 to have a certain interference during rotation, so that the connecting rod cannot stop when rotating to a certain angle, and convenience is provided for adjusting the connecting rod 502 and the first pivot portion 501 or the second pivot portion 503.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. The utility model provides an adjustable support of intranasal mirror skull base operation, is including placing bottom plate (1) on the operating table and fixing headrest (2) on bottom plate (1), its characterized in that, offer recess (3) that are used for holding patient's back head spoon on headrest (2), be connected with on bottom plate (1) along operating table length to position adjustable support body (4), install vertical to position adjustable link assembly (5) on support body (4), keep away from link assembly (5) the end-to-end connection of support body (4) has toper fill (6) that insert in the nostril.

2. An intra-nasal endoscope adjustable skull base operation bracket according to claim 1, characterized in that the bracket body (4) comprises arc-shaped bent rods (401) which are symmetrically arranged and fixed on the end side of the bottom plate (1) and a main body rod (402) which is configured into a U shape, one end of each of the two arc-shaped bent rods (401) far away from the bottom plate (1) is fixed with a sliding barrel (403) which is horizontally arranged, the main body rod (402) is slidably arranged inside the sliding barrel (403), and the adjustable bracket further comprises a limiting component (404) which limits the main body rod (402) to slide in the sliding barrel (403).

3. An intra-nasal-mirror skull-base-surgery adjustable stent according to claim 2, characterized in that the limiting component (404) comprises screw teeth (4041) configured at the outer walls of the two ends of the main body rod (402) and hand nuts (4042) symmetrically arranged at the two ends of the sliding barrel (403) and in threaded connection with the screw teeth (4041).

4. An adjustable support for nasal endoscope skull base operation according to claim 2, characterized in that the connecting rod assembly (5) comprises a first pivot part (501) fixed on the end side of the main body rod (402), a connecting rod (502) with adjustable vertical angle is rotatably connected on the first pivot part (501), and a second pivot part (503) with adjustable vertical angle and fixed with the conical hopper (6) is rotatably connected on the end of the connecting rod (502) far away from the first pivot part (501).

5. An adjustable support for nasal endoscopic skull base surgery according to claim 4, the first pivot portion (501) and the second pivot portion (503) are both block bodies configured in a U shape, two ends of the connecting rod (502) are respectively arranged in the U-shaped inner parts of the first pivoting part (501) and the second pivoting part (503), a threaded rod (504) penetrating through the first pivoting part (501) or the second pivoting part (503) is symmetrically fixed on the connecting rod, the external thread of the threaded rod (504) is connected with a fastening nut (505), so as to form a connecting rod (502) which is formed after rotating around the axle center of the threaded rod (504), the fastening nut (505) can be rotated to abut against the outer wall of the first pivot part (501) or the second pivot part (503) so that the first pivot part (501) or the second pivot part (503) clamps the connecting rod (502).

6. An adjustable support for intranasal endoscopic skull base surgery according to claim 5, characterized in that the threaded rod (504) is externally provided with a damping rubber pad (506) and the damping rubber pad (506) is placed between the connecting rod (502) and the first pivot (501) or the second pivot (503).

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