CN218428474U

CN218428474U - Cartilage section device of adjustable thickness

Info

Publication number: CN218428474U
Application number: CN202221808013.8U
Authority: CN
Inventors: 胡文广; 周坚; 夏龙
Original assignee: Hunan Xialong Medical Device Manufacturing Co ltd
Current assignee: Hunan Xialong Medical Device Manufacturing Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-02-03
Anticipated expiration: 2032-07-14

Abstract

A cartilage slicing device with adjustable thickness comprises a base, a sliding cover, a push handle spring, a bone pressing block, a roller shaft core, a roller twist cap, a twist cap locking screw, a steel ball, a twist cap spring, a multi-edge roller with different centers, a compression column movable tongue, a blade groove seat, a blade, a sliding cover locking screw and a compression column movable tongue pin; the base is provided with a base slide rail, a bone placing groove and a sliding cover pre-placing base, and the sliding cover is provided with a sliding slide rail; the eccentric polygonal roller is installed in the base through the roller shaft core, the twist cap spring is placed in the outer side of the base to install the steel ball, and the roller twist cap is locked on the roller shaft core through the twist cap locking screw; the plunger piston is arranged on the base through a plunger piston pin, and the blade is arranged in the blade groove seat; the bone pressing block is connected with the push rod through the push handle spring and then is installed on the sliding cover, and the sliding cover is arranged on the sliding cover presetting seat of the base and finishes slicing along the sliding rail through pressing the push handle. The invention has simple structure, ensures uniform slicing, saves operation time, is safe and reliable to operate and improves operation efficiency.

Description

Cartilage section device of adjustable thickness

Technical Field

The invention relates to a cartilage slicing device, in particular to a cartilage slicing device with adjustable thickness.

Background

Autologous cartilaginous tissue augmentation rhinoplasty is one of the materials used earlier in augmentation rhinoplasty, and has the main advantages of easy survival after transplantation and no rejection. The method requires skilled carving technique of doctors, and factors such as small cartilage, difficult thickness control, long carving time and the like are inevitable hard injuries in the carving process of autologous cartilage tissues. The existing slicing device has the problems of large resistance during operation, uneven slicing, damage to cartilage at a cartilage pressing part, material waste and incomplete utilization of the sliced cartilage, so that the thickness of the sliced cartilage can be adjusted, the thickness of cut cartilage tissues is accurate and flat, the operation is more convenient and simple, the cartilage slicing device without cartilage material waste is particularly necessary, and the product can liberate both hands of a doctor, shorten the operation time and enable the operation to be faster and safer.

Disclosure of Invention

The invention aims to provide a cartilage slicing device which is adjustable in thickness, smooth in carving thickness, convenient to operate and material-saving.

The purpose of the invention is realized by the following ways: a cartilage slicing device with adjustable thickness comprises a base, a sliding cover, a push handle spring, a bone pressing block, a roller shaft core, a roller twisting cap, a twisting cap locking screw rod, a steel ball, a twisting cap spring, an eccentric polygonal roller, a compression column movable tongue, a blade groove seat, a blade, a sliding cover locking screw rod, a compression column movable tongue pin and the like; the base is provided with a base slide rail, a bone placing groove and a sliding cover pre-placing base, and the sliding cover is provided with a sliding slide rail; the eccentric polygonal roller is installed in the base through the roller shaft core, the torsion cap spring is placed in the outer side of the base to install the steel ball, and then the roller torsion cap is installed and locked on the roller shaft core through the torsion cap locking screw; the plunger piston is arranged on the base through a plunger piston pin, and the blade is arranged in a blade groove seat in the base; the bone pressing block is connected with the push rod through the push handle spring and then installed on the sliding cover, the sliding cover is arranged on the sliding cover preset seat of the base, the bone body slicing in the bone placing groove can be completed through pressing the push handle to move along the sliding rail, the slicing thickness adjusting roller twist cap is provided with a steel ball stopping hole position, the outer ring is marked with a corresponding slicing thickness mark, and different data gaps generated between the pressing column movable tongue and the blade are determined through twisting the roller twist cap to adjust the non-concentric multi-side twist column to prop against the pressing column movable tongue.

The sliding device further comprises a base sliding rail, a bone placing groove and a sliding cover pre-placing seat which are arranged on the base, wherein a sliding rail is arranged on the sliding cover, and the sliding rail can be arranged on the base or the sliding cover or can be externally added (placed).

The sliding cover is firstly placed in a sliding cover preset seat of the base and then moves back and forth in the sliding rail under the action of thrust.

The device further comprises non-concentric multi-edge rollers which are arranged in the base through a roller shaft core, a twisting cap spring is arranged in the outer side of the base to install steel balls, then a roller twisting cap is arranged and locked on the roller shaft core through a twisting cap locking screw rod, and the number of the steel ball holes on the non-concentric multi-edge rollers and the roller twisting cap is the same.

The further slip cover that still includes is for the convenience of transportation and deposit, and the slip cover is in the base slide rail through slip cover locking screw locking under the normal condition, and the twist loose slip cover locking screw normal use again during the use.

The invention has the beneficial effects that:

1. the operation habits of doctors are considered, the uncontrollable cutting depending on the skill proficiency is converted into the reliable digital selective cutting, and the method is safe and controllable and has controllable risk;

2. in order to ensure the operation safety, the raw materials are fully used, and the raw materials do not need to be obtained again due to loss;

3. no technical obstacle and no special requirement on operators;

4. the sterilization is used, and the service life is long;

5. the product has high safety, and is made of materials meeting the requirements of the medical appliance industry;

6. the invention has simple structure and low cost.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is a front view of the present invention.

FIG. 3 is a top view of the present invention.

FIG. 4 is a schematic sectional view of the main surface of the present invention.

The device comprises a base 1, a sliding cover 2, a push handle 3, a push handle spring 4, a bone pressing block 5, a roller shaft core 6, a roller twist cap 7, a cap lock screw 8, a steel ball 9, a cap spring 10, an eccentric multi-side twist column 11, a movable tongue of a compression column 12, a blade groove seat 13, a blade 14, a sliding slide rail 15, a sliding cover lock screw 16, a bone placing groove 17, a base slide rail 18, a movable tongue pin of a compression column 19 and a sliding cover preset seat 20.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; the connection can be mechanical connection or interference transition connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example 1

As shown in figures 1-4, the invention discloses a cartilage slicing device which comprises a base 1, a sliding cover 2, a pushing handle 3, a pushing handle spring 4, a bone pressing block 5, a roller shaft core 6, a roller twist cap 7, a cap locking screw 8, a steel ball 9, a cap spring 10, a polygonal twist column 11 with different centers, a movable tongue of a pressing column 12, a blade groove seat 13, a blade 14, a sliding slide rail 15, a sliding cover locking screw 16, a bone placing groove 17, a base slide rail 18, a movable tongue pin of a pressing column 19 and a sliding cover pre-placing seat 20. Wherein the non-concentric multi-edge roller 11 is arranged in the base 1 through the roller shaft core 6; a twist cap spring 10 is placed in a hole on the outer side of the base 1, a steel ball 9 is installed in the hole, and then the roller twist cap 7 is locked on the roller shaft core 6 through a twist cap locking screw 8; the plunger piston 12 is arranged in the base 1 through a plunger piston pin 19; the blade 14 is mounted in a blade slot seat 13 in the base 1; the bone pressing block 5 is arranged on the sliding cover 2 after being arranged in the push handle 3 through the push handle spring 4; the sliding cover 2 is placed on the base sliding cover preset seat 20 to complete the installation. The bone body slicing in the bone placing groove can be finished by pressing the push handle to move along the slide rail, the slice thickness adjusting roller twist cap is provided with a steel ball stopping hole position, the outer ring is marked with a corresponding slice thickness mark, and the slice thickness adjusting roller twist cap is determined by twisting the roller twist cap to adjust different concentric multi-side twist columns to prop against different data gaps generated between the press column movable tongues and the blades. The installation is completed, the installation operation is simple and convenient, and the cost is low.

The implementation mode of the invention is as follows: mounting the non-concentric polygonal rollers 11 in the base 1 through the roller shaft core 6; a twisting cap spring 10 is placed in a hole at the outer side of the base 1 to install a steel ball 9, and then the roller twisting cap 7 is locked on the roller shaft core 6 through a twisting cap locking screw 8; the plunger piston 12 is arranged in the base 1 through a plunger piston pin 19; the blade 14 is mounted in a blade slot seat 13 in the base 1; the bone pressing block 5 is arranged on the sliding cover 2 after being arranged in the push handle 3 through the push handle spring 4; the sliding cover 2 is placed on a sliding cover preset seat 20 of the base, the corresponding slice thickness mark on the roller torsion cap 7 is identified, the roller torsion cap 7 is rotated to adjust the multi-edge torsion column 11 with different centers to determine the required slice thickness by propping against different gap data generated between the plunger piston 12 and the blade 14, the substrate (cartilage) to be sliced is placed in the bone placing groove 17, the sliding cover 2 is placed on the sliding cover preset seat 20 of the base to cover the substrate (cartilage), the push handle 3 is directly pressed to push forwards, and when the substrate (cartilage) passes through the gap between the plunger piston 12 and the blade 14, the sheet corresponding to the mark thickness on the roller torsion cap 7 is obtained; in order to facilitate the transportation and storage of the product, the sliding cover 2 is locked in the sliding rail of the base 1 through the sliding cover locking screw 16 under the normal condition, and the sliding cover locking screw 16 is unscrewed and normally used when the sliding cover is used, so that the operation is safe and reliable, the risk of uneven slice thickness is completely avoided, the operation efficiency is improved, the pain of a patient is relieved, the doctor-patient relationship is improved, and a doctor can freely control each operation.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. A cartilage slicing device with adjustable thickness comprises a base (1), a sliding cover (2), a pushing handle (3), a pushing handle spring (4), a bone pressing block (5), a roller shaft core (6), a roller twist cap (7), a twist cap locking screw (8), a steel ball (9), a twist cap spring (10), a multi-edge roller (11) with different centers, a plunger movable tongue (12), a blade groove seat (13), a blade (14), a sliding slide rail (15), a sliding cover locking screw (16), a bone placing groove (17), a base slide rail (18), a plunger movable tongue pin (19) and a sliding cover preset seat (20), and is characterized in that the base (1) is provided with the base slide rail (18), the bone placing groove (17) and the sliding cover preset seat (20), and the sliding slide rail (15) is arranged on the sliding cover (2); the eccentric polygonal roller (11) is arranged in the base (1) through a roller shaft core, the torsion cap spring (10) is placed in the outer side of the base to install the steel ball (9), and then the roller torsion cap (7) is installed and locked on the roller shaft core (6) through the torsion cap locking screw (8); the plunger piston tongue (12) is arranged on the base (1) through a plunger piston tongue pin, and the blade (14) is arranged in a blade groove seat (13) in the base; the bone pressing block (5) is connected with the push handle (3) through a push handle spring (4) and then is installed on the sliding cover (2), the sliding cover (2) is placed on the base sliding cover preset seat (20) and moves along the sliding rail through pressing the push handle (3) to complete bone body slicing in the bone placing groove (17), a steel ball stop hole position is arranged on the slicing thickness adjusting roller torsion cap, a corresponding slicing thickness mark is marked on the outer ring, and different data gaps between the pressing column movable tongue and the blade are determined by adjusting the non-concentric multi-side torsion column through twisting the roller torsion cap.

2. The cartilage slicing device with the adjustable thickness according to claim 1, wherein the base (1) is provided with a base slide rail (18), a bone placing groove (17) and a sliding cover preset seat (20), the sliding cover (2) is provided with a sliding slide rail (15), and the sliding slide rail (15) is integrated with the base (1) and the sliding cover (2) or the sliding slide rail (15) is externally arranged.

3. The cartilage slicing device with adjustable thickness according to claim 1, wherein the sliding cover (2) is firstly placed on the sliding cover preset seat (20) of the base (1) and then moves back and forth in the sliding rail under the action of a pushing force.

4. The cartilage slicing device with the adjustable thickness of claim 1, wherein the eccentric polygonal rollers (11) are installed in the base (1) through the roller shaft core (6), the twist cap spring (10) is placed in the outer side of the base (1) to install the steel balls (9), then the roller twist cap (7) is installed and locked on the roller shaft core (6) through the twist cap locking screw rod (8), and the number of the stop holes of the steel balls (9) on the eccentric polygonal rollers (11) and the roller twist cap (7) is the same.

5. The cartilage slicing device with the adjustable thickness according to claim 1, wherein the sliding cover (2) is convenient to transport and store, the sliding cover (2) is locked in the base sliding rail through a sliding cover locking screw (16), and the sliding cover locking screw (16) is unscrewed to be normally used when the device is used.