CN218960958U

CN218960958U - Craniocerebral operation locator

Info

Publication number: CN218960958U
Application number: CN202222036886.8U
Authority: CN
Inventors: 潘鹏宇; 张文旭; 朱泽超; 梁国标
Original assignee: General Hospital of Shenyang Military Region
Current assignee: General Hospital of Shenyang Military Region
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-05-05
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to the technical field of medical instruments, in particular to a craniocerebral operation positioner which comprises a positioning plate and four pressing blocks fixedly arranged in the positioning plate and distributed in an isosceles trapezoid shape on a horizontal plane, wherein the positioning plate comprises a front arc plate and a rear arc plate, the inner walls of the front arc plate and the rear arc plate are oppositely arranged, a first straight edge plate is fixedly arranged at the left end and the right end of the front arc plate, a second straight edge plate is fixedly arranged at the left end and the right end of the rear arc plate, a sliding rod is fixedly connected with the second straight edge plate, a linear sliding hole allowing the sliding rod to move forwards and backwards is formed in the first straight edge plate, a fastening nut is abutted to the outer wall of the first straight edge plate, and the sliding rod penetrates through the linear sliding hole and is in threaded connection with the fastening nut. The utility model has novel structure and simple installation, the distance between the front arc-shaped plate and the rear arc-shaped plate can be adjusted, the utility model can be suitable for people with different head circumferences, the pressing block is used for forming four-point butt positioning of the head in the positioning plate, the pressing block has small extrusion effect on the head, and the head is clamped stably.

Description

Craniocerebral operation locator

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a craniocerebral operation locator.

Background

At present, when a doctor performs craniocerebral operation on a patient, the head operation position of the patient needs to be positioned.

The utility model discloses a craniocerebral operation positioner with the publication number of CN203042464U, which comprises a supporting positioning ring, a bracket, a rotary positioning shaft, an angle arc wheel, a clamping slide rail, a positioning fixing rod and a scribing pen. The utility model has the inconvenience of adjusting the inner diameter of the supporting and positioning ring, which causes that the supporting and positioning ring can not be stably attached to the skull of a patient.

Disclosure of Invention

The utility model aims to provide a craniocerebral operation positioner which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cranium brain operation locator, includes the locating plate, and fixes locate four briquetting that just are isosceles trapezoid distribution on the horizontal plane in the locating plate, the locating plate includes preceding arc and back arc that the inner wall set up in opposite directions, the left and right sides both ends of preceding arc are all fixed and are equipped with first straight flange, the left and right sides both ends of back arc are all fixed and are equipped with the straight flange of second, the straight flange fixedly connected with slide bar of second, the straight slide hole that allows the slide bar to reciprocate has been seted up on the first straight flange, the outer wall butt of first straight flange is equipped with fastening nut, the slide bar runs through straight slide hole and is connected with fastening nut screw thread.

Optionally, the pressing block comprises two cylindrical blocks, the two cylindrical blocks are arranged at an upper-lower interval, a first arc-shaped recess which is abutted with the outer wall of the cylindrical block is fixedly arranged on the inner wall of the front arc-shaped plate, and a second arc-shaped recess which is abutted with the outer wall of the cylindrical block is fixedly arranged on the inner wall of the rear arc-shaped plate; the locating plate is provided with a buckling frame which is respectively clamped with the cylindrical block and the front arc-shaped plate and the rear arc-shaped plate.

Optionally, detain the frame and include C type frame, first telescopic link festival, second telescopic link festival, and spring, first telescopic link festival with the tip that the second telescopic link festival is on the back is the activity respectively inlayed and is located the upper and lower both ends of C type frame, be close to on the second telescopic link festival the tip of first telescopic link festival has been seted up and has been held the recess of spring, first telescopic link festival is close to the tip activity of second telescopic link festival stretches into in the recess, first telescopic link festival and second telescopic link festival respectively with two cylinder piece activity cup joint, the outer wall of first telescopic link festival and the outer wall of second telescopic link festival are all fixedly connected with spacing ring, spacing ring is located two between the cylinder piece.

Optionally, a positioning frame is fixedly arranged on the upper surface of the positioning plate, and the positioning frame is in a circular arch shape.

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

1. the utility model has novel structure and simple installation, the distance between the front arc-shaped plate and the rear arc-shaped plate can be adjusted, the utility model can be suitable for people with different head circumferences, the four points of the head are abutted and positioned in the positioning plate through the pressing block, the pressing block has small extrusion effect on the head, and the head is clamped stably;

2. according to the utility model, by pushing the two cylindrical blocks to move in opposite directions, the opposite ends of the first telescopic rod section and the second telescopic rod section can be separated from the C-shaped frame respectively, so that the two cylindrical blocks can be conveniently taken down from the C-shaped frame, the cylindrical blocks can be conveniently replaced and cleaned, and cross contamination during operation is avoided.

Drawings

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

FIG. 2 is a schematic view of the structure of the locating plate, the sliding rod and the locating rack according to the present utility model;

FIG. 3 is a schematic view of the structure of the press block and the buckle frame in the utility model.

In the figure: 1. a positioning plate; 2. a front arc plate; 3. a first straight edge plate; 4. a rear arc plate; 5. a second straight edge plate; 6. a slide bar; 7. a linear slide hole; 8. a fastening nut; 9. a first arcuate recess; 10. a second arcuate recess; 11. briquetting; 12. a cylindrical block; 13. a buckling frame; 14. a C-shaped frame; 15. a first telescopic rod section; 16. the second telescopic rod section; 17. a spring; 18. a groove; 19. a limiting ring; 20. and a positioning frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Examples: referring to fig. 1-3, the utility model provides a craniocerebral operation positioner, which comprises a positioning plate 1 and four pressing blocks 11 fixedly arranged in the positioning plate 1 and distributed in an isosceles trapezoid shape on a horizontal plane, wherein the positioning plate 1 comprises a front arc plate 2 and a rear arc plate 4, the inner walls of the front arc plate 2 are oppositely provided with a first straight edge plate 3, the left end and the right end of the front arc plate 2 are uniformly formed with a second straight edge plate 5, the left end and the right end of the rear arc plate 4 are integrally formed with a second straight edge plate 5, the second straight edge plate 5 is fixedly connected with a sliding rod 6, the first straight edge plate 3 is provided with a linear sliding hole 7 allowing the sliding rod 6 to move forwards and backwards, the outer wall of the first straight edge plate 3 is abutted with a fastening nut 8, and the sliding rod 6 penetrates through the linear sliding hole 7 and is in threaded connection with the fastening nut 8.

The first straight side plate 3 can be fastened or loosened by screwing or unscrewing the fastening nut 8, and the distance between the front arc plate 2 and the rear arc plate 4 can be adjusted, so that the device is applicable to people with different head circumferences. The pressing block 11 is formed in the positioning plate 1 to be abutted against and positioned on four points of the head, the pressing block 11 has small extrusion effect on the head, and the head is clamped stably. The upper surface of the locating plate 1 is fixedly provided with a locating frame 20, the locating frame 20 is in a circular arch shape, a drawing device can be arranged on the locating frame 20, and when the locating plate 1 is fixed on the head, a notch line can be drawn on the scalp of the cranium through the drawing device.

On the basis of the above embodiment, the pressing block 11 in this embodiment includes two cylindrical blocks 12, the two cylindrical blocks 12 are disposed at an upper and lower interval, the inner wall of the front arc plate 2 is fixedly provided with a first arc recess 9 abutting against the outer wall of the cylindrical block 12, and the inner wall of the rear arc plate 4 is fixedly provided with a second arc recess 10 abutting against the outer wall of the cylindrical block 12. The locating plate 1 is provided with a buckling frame 13 which respectively clamps the front arc-shaped plate 2 and the rear arc-shaped plate 4 with the cylindrical block 12. The first arc-shaped recess 9 and the second arc-shaped recess 10 prevent the cylindrical block 12 from moving along the inner wall of the positioning plate 1, and the buckling frame 13 prevents the cylindrical block 12 from being separated from the positioning plate 1.

On the basis of the above embodiment, the buckle frame 13 in this embodiment includes a C-shaped frame 14, a first telescopic rod section 15, a second telescopic rod section 16, and a spring 17, opposite ends of the first telescopic rod section 15 and the second telescopic rod section 16 are movably embedded in upper and lower ends of the C-shaped frame 14 respectively, a groove 18 for accommodating the spring 17 is provided at an end of the second telescopic rod section 16, which is close to the first telescopic rod section 15, and an end of the first telescopic rod section 15, which is close to the second telescopic rod section 16, is movably stretched into the groove 18, the first telescopic rod section 15 and the second telescopic rod section 16 are movably sleeved with the two cylindrical blocks 12 respectively, a limit ring 19 is fixedly connected to an outer wall of the first telescopic rod section 15 and an outer wall of the second telescopic rod section 16, and the limit ring 19 is located between the two cylindrical blocks 12.

The two cylindrical blocks 12 are pushed to move in opposite directions, and the two limiting rings 19 can be pushed to move in opposite directions, so that the total length of the first telescopic rod section 15 and the second telescopic rod section 16 is shortened, the opposite ends of the first telescopic rod section 15 and the second telescopic rod section 16 are separated from the C-shaped frame 14 respectively, the two cylindrical blocks 12 can be taken down from the C-shaped frame 14, the cylindrical blocks 12 are conveniently replaced and cleaned, and cross contamination during operation is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A craniocerebral operation locator, which is characterized in that: including locating plate (1), and fixed locating four briquetting (11) that are isosceles trapezoid and distribute in locating plate (1) and on the horizontal plane, locating plate (1) are including preceding arc (2) and back arc (4) that the inner wall set up in opposite directions, the left and right sides both ends of preceding arc (2) are all fixed and are equipped with first straight sideboard (3), both ends are all fixed about back arc (4) are equipped with second straight sideboard (5), straight sideboard (5) fixedly connected with slide bar (6) of second, set up straight slide hole (7) that allow slide bar (6) back and forth movement on first straight sideboard (3), the outer wall butt of first straight sideboard (3) is equipped with fastening nut (8), slide bar (6) run through straight slide hole (7) and are connected with fastening nut (8) screw thread.

2. A craniocerebral surgical locator according to claim 1, wherein: the pressing block (11) comprises two cylindrical blocks (12), the two cylindrical blocks (12) are arranged at intervals up and down, a first arc-shaped concave (9) which is abutted with the outer wall of the cylindrical block (12) is fixedly arranged on the inner wall of the front arc-shaped plate (2), and a second arc-shaped concave (10) which is abutted with the outer wall of the cylindrical block (12) is fixedly arranged on the inner wall of the rear arc-shaped plate (4); the locating plate (1) is provided with a buckling frame (13) which is respectively clamped with the cylindrical block (12) and the front arc plate (2) and the rear arc plate (4).

3. A craniocerebral surgical locator according to claim 2, wherein: the buckling frame (13) comprises a C-shaped frame (14), a first telescopic rod section (15), a second telescopic rod section (16) and a spring (17), wherein the first telescopic rod section (15) and the end part of the second telescopic rod section (16) are movably sleeved on the upper end and the lower end of the C-shaped frame (14) respectively, a groove (18) for accommodating the spring (17) is formed in the end part, close to the first telescopic rod section (15), of the second telescopic rod section (16), the end part of the first telescopic rod section (15) is movably sleeved in the groove (18), the first telescopic rod section (15) and the second telescopic rod section (16) are movably sleeved on the cylindrical blocks (12) respectively, limiting rings (19) are fixedly connected to the outer wall of the first telescopic rod section (15) and the outer wall of the second telescopic rod section (16), and the limiting rings (19) are located between the two cylindrical blocks (12).

4. A craniocerebral surgical locator according to claim 1, wherein: the upper surface of the locating plate (1) is fixedly provided with a locating frame (20), and the locating frame (20) is in a circular arch shape.