Medical equipment accessory for protecting milling cutter

Abstract

The utility model relates to the technical field of medical equipment accessories, and provides a medical equipment accessory for protecting a milling cutter, which comprises a front end sleeve, a ball sleeve arranged at the rear end of the front end sleeve, a ball A embedded on the outer wall of the ball sleeve, a rotating sleeve arranged outside the ball A, and a fixed sleeve arranged inside the ball sleeve, the ball sleeve is fixedly connected with the fixed sleeve through a cylindrical pin A. A bearing seat is arranged at the rear end of the fixed sleeve. The outer sleeve slides backwards and rotates to drive the movable pin, the locking screw and the spring B to move backwards together, the movable clamping seat is pushed, the spring A is compressed, and the ball B is released. After the cutter is inserted along the front end part until the cutter abuts against the pressing piece at the bottom of the cutter locking sleeve, the rotating outer sleeve is released, the spring A rebounds to push the movable clamping base, the movable clamping base presses the ball B to be tightly attached to the cutter, the cutter is locked, and cutter connection is achieved. And the convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment accessory technical field, especially in a kind of medical equipment accessory for protecting milling cutter. BACKGROUND

[0002] In the medical operation field, milling cutter accessory as the important equipment of protecting milling cutter, plays a key role, milling cutter accessory is usually used in conjunction with milling cutter, provides protection and support for milling cutter in the operation process, it can fix the position of milling cutter, ensure the stability and accuracy of milling cutter in the operation.

[0003] However, the installation and dismounting process of existing milling cutter accessory is complicated, time-consuming, in the tense operation process, doctor needs to spend more time and effort to handle the installation and dismounting problem of milling cutter accessory, can influence the quality and safety of operation, and, existing milling cutter accessory cannot effectively reduce the contact between milling cutter and surrounding tissue, so that milling cutter is prone to rub and collide with surrounding tissue when working, not only can increase the wear and damage risk of milling cutter, reduce its service life, but also can cause unnecessary damage to surrounding tissue, influence the effect of operation and the rehabilitation of patient;

[0004] Therefore, it is necessary to use a kind of medical equipment accessory for protecting milling cutter to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of medical equipment accessory for protecting milling cutter, using the device to work, to solve the problem of existing milling cutter accessory in reducing milling cutter and surrounding tissue rub and collide and lock quick installation and dismounting inconvenience.

[0006] In order to solve the above technical problem, the utility model provides the following technical scheme: a kind of medical equipment accessory for protecting milling cutter, including front end cover, the rear end of front end cover is provided with ball sleeve, ball sleeve is embedded with ball A in outer wall, the outside of ball A is provided with rotating sleeve, the inside of ball sleeve is provided with fixed sleeve, ball sleeve is fixedly connected between fixed sleeve through cylindrical pin A, the rear end of fixed sleeve is provided with bearing seat, the inside of bearing seat is fixed with seat cover, the inside of seat cover is provided with movable clamp holder, lock sleeve is provided in movable clamp holder, the top and bottom of the front end of lock sleeve are provided with ball B, the bottom of lock sleeve is provided with compression sheet, compression sheet is located in the rear end of ball B, the rear end of movable clamp holder is provided with spring A, the rear end of spring A is fixedly connected with compression sleeve, the outside of bearing seat is provided with rotating outer sleeve, the bottom end of rotating outer sleeve inside is provided with movable pin, the rear end of movable pin is fixed with spring B, the rear end of spring B is fixed to the bottom end of rotating outer sleeve, the bottom end of rotating outer sleeve is provided with locking screw, locking screw is rotated into movable pin by the bottom of rotating outer sleeve.

[0007] Preferably, the inner part of the fixed sleeve is fixed with a spacer sleeve, the front and rear ends of the spacer sleeve are provided with bearings A, and the rear part of the bearing A at the rear end of the spacer sleeve is provided with a snap spring A.

[0008] Preferably, the front and rear ends of the seat sleeve are provided with bearings B, and the rear part of the bearing B at the rear end of the seat sleeve is provided with a snap spring B.

[0009] Preferably, the lock sleeve is located inside the seat sleeve and the rear end sleeve, and the bearing B is sleeved outside the lock sleeve.

[0010] Preferably, the rear end of the bearing seat is provided with a rear end sleeve, the rear end of the outer part of the rear end sleeve is provided with a clamping sleeve and a sealing ring, the sealing ring is located at the rear end of the clamping sleeve, and the rear end of the top of the rear end sleeve is provided with a cylindrical pin B.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1. The utility model provides a kind of medical equipment accessory for protecting milling cutter, by rotating outer sleeve to the rear sliding, drive movable pin, locking screw and spring B are moved to the rear together, push movable clamp holder and compress spring A, release ball B, along front end portion insertion tool until reach the pressing piece at the bottom of lock sleeve, release rotating outer sleeve, push movable clamp holder using spring A rebound, movable clamp holder press ball B tightly and fit tool, lock tool to connect tool, the milling cutter accessory has good operating performance, doctor can install milling cutter by simple operation, improve the convenience.

[0013] 2. The utility model provides a kind of medical equipment accessory for protecting milling cutter, rotates and takes down front end portion, presss and inserts milling cutter into lock sleeve, loosen and lock milling cutter axial and radial position, then the rotating sleeve of front end portion is rotated into ball sleeve, complete milling cutter installation on milling cutter accessory, then connect corresponding handle, tool head is aligned with cutting tissue, handle drives lock sleeve to make tool high-speed rotation, cutting tissue is carried out, milling cutter accessory is very close to the shape and size of milling cutter, can provide all-round protection, effectively reduce milling cutter and the friction and collision of surrounding tissue, to reduce the wear and tear risk of milling cutter and damage, and can withstand various severe environment test in the process of operation, protect milling cutter from being damaged, improve the work efficiency of doctor and patient's satisfaction. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure section view schematic of the utility model Figure One ;

[0016] Figure 3 It is the structure section view schematic of the utility model Figure Two ;

[0017] Figure 4 The structure split schematic view of the utility model is shown in the figure.

[0018] Figure 5 The structure split schematic view of the front end part of the utility model is shown in the figure.

[0019] Figure 6 The structure split schematic view of the lock knife part of the utility model is shown in the figure.

[0020] Figure 7 The structure split schematic view of the tail part of the utility model is shown in the figure.

[0021] The figure mark explanation: 1, the front end cover; 2, the rotating cover; 21, the ball cover; 22, ball A; 23, fixed cover; 24, cylindrical pin A; 25, bearing A; 26, spacer cover; 27, clamp spring A; 3, rotating outer cover; 31, bearing B; 32, movable clamp seat; 33, spring A; 34, pressing cover; 35, seat cover; 36, clamp spring B; 4, bearing seat; 41, movable pin; 42, locking screw; 43, spring B; 44, lock knife cover; 45, pressing piece; 46, ball B; 5, rear end cover; 51, cylindrical pin B; 52, clamp cover; 53, sealing ring. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] In order to further understand the content of the utility model, the utility model is described in detail in combination with the drawings.

[0024] In combination with the drawings Figures 1-7The utility model discloses a medical equipment accessory for protecting milling cutter, including front end cover 1, the rear end of front end cover 1 is provided with ball sleeve 21, the outer wall of ball sleeve 21 is embedded with ball A 22, the outside of ball A 22 is provided with rotating sleeve 2, the inside of ball sleeve 21 is provided with fixed sleeve 23, ball sleeve 21 is fixedly connected through cylinder pin A 24 between fixed sleeve 23, the rear end of fixed sleeve 23 is provided with bearing seat 4, the inside of bearing seat 4 is fixed with seat sleeve 35, the inside of seat sleeve 35 is provided with movable clamp holder 32, be provided with lock cutter sleeve 44 in movable clamp holder 32, the top and bottom of lock cutter sleeve 44 front end are provided with ball B 46, the bottom of lock cutter sleeve 44 is provided with compression sheet 45, and compression sheet 45 is located the rear end of ball B 46, the rear end of movable clamp holder 32 is provided with spring A 33, spring A 33's rear end fixedly connected has press sleeve 34, the outside of bearing seat 4 is provided with rotating outer sleeve 3, the bottom of rotating outer sleeve 3 inside is provided with movable pin 41, the rear end of movable pin 41 is fixed with spring B 43, and the rear end of spring B 43 is fixed in the bottom of rotating outer sleeve 3, and the bottom of rotating outer sleeve 3 is provided with locking screw 42, and locking screw 42 is rotated into movable pin 41 from the bottom of rotating outer sleeve 3.

[0025] The inside of fixed sleeve 23 is fixed with isolation sleeve 26, and bearing A 25 is arranged at the front and rear ends of isolation sleeve 26, and spring A 27 is arranged at the rear end of bearing A 25 of isolation sleeve 26.

[0026] The front and rear ends of seat sleeve 35 are provided with bearing B 31, and bearing B 31 is provided with spring B 36 at the rear end of seat sleeve 35.

[0027] Lock cutter sleeve 44 is located in the inside of seat sleeve 35 and rear end cover 5, and bearing B 31 is sleeved on the outside of lock cutter sleeve 44.

[0028] The rear end of bearing seat 4 is provided with rear end cover 5, the rear end of the outside of rear end cover 5 is provided with sleeve 52 and sealing ring 53, sealing ring 53 is located at the rear end of sleeve 52, and cylinder pin B 51 is arranged at the rear end of the top of rear end cover 5.

[0029] In the drawing, the front end part is composed of front end cover 1, rotating sleeve 2, ball sleeve 21, ball A 22, fixed sleeve 23, cylinder pin A 24, bearing A 25, isolation sleeve 26 and spring A 27.

[0030] The lock cutter part is composed of rotating outer sleeve 3, bearing B 31, movable clamp holder 32, spring A 33, press sleeve 34, seat sleeve 35, spring B 36, bearing seat 4, movable pin 41, locking screw 42, spring B 43, lock cutter sleeve 44, compression sheet 45 and ball B 46.

[0031] The tail part is composed of rear end cover 5, cylinder pin B 51, sleeve 52 and sealing ring 53.

[0032] Working principle:

[0033] When the connecting tool is performed, the rotating sleeve 3 is slid backward, the movable pin 41, the locking screw 42 and the spring B 43 are moved backward together, the movable clamp holder 32 is pushed and the spring A 33 is compressed, the ball B 46 is released, the front end part is inserted into the tool until the pressing piece 45 at the bottom of the tool locking sleeve 44 is pressed, the rotating sleeve 3 is released, the movable clamp holder 32 is pushed by the spring A 33 rebound, the movable clamp holder 32 tightly adheres to the tool by pressing the ball B 46, and the tool is locked;

[0034] When the tool is used, the front end part is rotated and taken off, the rotating sleeve 3 is inserted into the milling cutter into the tool locking sleeve 44, the rotating sleeve 3 is loosened to lock the milling cutter axial and radial position, then the rotating sleeve 2 of the front end part is rotated into the ball sleeve 21, the milling cutter is installed on the milling cutter accessory, then the corresponding handle is connected, the cutter head is aligned with the cutting tissue, the handle drives the tool locking sleeve 44 to rotate at high speed, and the cutting tissue is cut;

[0035] The milling cutter accessory has good operation performance, doctors can install the milling cutter through simple operation, it is made of high-quality materials and has wear resistance and corrosion resistance, and can protect the milling cutter in all directions, doctors can quickly install and disassemble, improve work efficiency, the design structure of the milling cutter accessory can reduce the wear and damage of the milling cutter during the operation, thereby prolonging the service life of the milling cutter and improving the efficiency of the operation, the milling cutter accessory is very suitable for the shape and size of the milling cutter, can provide all-round protection, effectively reduce the friction and collision between the milling cutter and the surrounding tissue, thereby reducing the wear and damage risk of the milling cutter, and can withstand various harsh environments during the operation, and protect the milling cutter from being damaged, and the good operation performance enables doctors to install the milling cutter through simple operation, so that doctors can perform the operation more safely and confidently, ensure the smooth operation, improve work efficiency and patient satisfaction.

[0036] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any other variants thereof are intended to cover non-exclusive inclusions, so that a process, method, article or apparatus including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or apparatus.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A medical device accessory for protecting a milling cutter comprising a front end sleeve (1), characterized in that: A ball sleeve (21) is provided at the rear end of the front sleeve (1). A ball A (22) is embedded in the outer wall of the ball sleeve (21). A rotating sleeve (2) is provided outside the ball A (22). A fixed sleeve (23) is provided inside the ball sleeve (21). The ball sleeve (21) and the fixed sleeve (23) are fixedly connected by a cylindrical pin A (24). A bearing seat (4) is provided at the rear end of the fixed sleeve (23). A seat sleeve (35) is fixed inside the bearing seat (4). A movable retainer (32) is provided inside the seat sleeve (35). A locking sleeve (44) is provided inside the movable retainer (32). A ball B (46) is provided at the top and bottom of the front end of the locking sleeve (44). A clamping plate (45) is provided at the bottom of the sleeve (44). The clamping plate (45) is located at the rear end of the ball B (46). A spring A (33) is provided at the rear end of the movable bracket (32). A pressure sleeve (34) is fixedly connected to the rear end of the spring A (33). A rotating outer sleeve (3) is provided on the outside of the bearing seat (4). A movable pin (41) is provided at the bottom end of the rotating outer sleeve (3). A spring B (43) is fixed at the rear end of the movable pin (41). The rear end of the spring B (43) is fixed to the bottom end of the rotating outer sleeve (3). A locking screw (42) is provided at the bottom end of the rotating outer sleeve (3). The locking screw (42) is screwed into the movable pin (41) from the bottom of the rotating outer sleeve (3).

2. A medical device accessory for protecting a milling cutter as defined in claim 1, characterized by: The spacer (26) is fixed inside the fixed sleeve (23). The front and rear ends of the spacer (26) are provided with bearings A (25). The rear end of the bearing A (25) at the rear end of the spacer (26) is provided with a retaining ring A (27).

3. A medical device accessory for protecting a milling cutter as defined in claim 2, characterized by: Bearings B (31) are provided at the front and rear ends of the seat sleeve (35), and a retaining ring B (36) is provided at the rear end of the bearing B (31) at the rear end of the seat sleeve (35).

4. A medical device accessory for protecting a milling cutter as defined in claim 3, characterized by: The locking sleeve (44) is located inside the seat sleeve (35) and the rear end sleeve (5), and the bearing B (31) is sleeved on the outside of the locking sleeve (44).

5. A medical device accessory for protecting a milling cutter as defined in claim 4, characterized by: The bearing housing (4) has a rear end sleeve (5) at its rear end. The rear end of the rear end sleeve (5) is provided with a retaining sleeve (52) and a sealing ring (53). The sealing ring (53) is located at the rear end of the retaining sleeve (52). The rear end of the top of the rear end sleeve (5) is provided with a cylindrical pin B (51).

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