Quick release structure and ultrasonic knife

Abstract

The utility model belongs to the technical field of ultrasonic knives, and particularly relates to a quick-release structure and an ultrasonic knife, the quick-release structure comprises a knife bar on which a pin is inserted, and the tail part of the knife bar is provided with an internal thread; the knob assembly is rotationally arranged at the mounting opening of the handle, the knob assembly comprises a rotary inner core, the cutter bar is sleeved with the rotary inner core, the rotary inner core is rotated to drive the internal thread to be connected with the external thread of the transducer, and a through hole is formed in the side wall of the rotary inner core; wherein the pin is inserted into the through hole, so that the knob assembly and the cutter bar are relatively fixed; in short, the cutter bar is connected with the rotary inner core through the pin, and after the cutter bar is clamped in the mounting opening of the handle, the cutter bar and the transducer can be connected by rotating the rotary inner core, so that the use of additional mounting tools and the occurrence of cross infection are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of ultrasonic scalpels, and particularly relates to a quick-release structure and an ultrasonic scalpel. Background Art

[0002] The ultrasonic scalpel is a high-frequency electrosurgical device, which is mainly used for operations such as cutting biological tissue and closing blood vessels. It has the characteristics of less bleeding, less damage to surrounding tissues, and faster postoperative recovery.

[0003] The existing ultrasonic scalpel includes a handle, a blade rod and a transducer. The blade rod is rotatably set on the handle, and the transducer is inserted into the handle. The blade rod and the transducer are connected by threads. When using the ultrasonic scalpel, the blade rod needs to be installed on the handle using tools such as a wrench, which can easily cause cross-infection between the wrench and the blade rod.

[0004] Therefore, how to avoid cross infection between the tool bar and the installation tool during installation is a technical problem that urgently needs to be solved in this field. Utility Model Content

[0005] The purpose of the utility model is to provide a quick-release structure and an ultrasonic knife.

[0006] In order to solve the above technical problems, the utility model provides a quick-release structure, including: a knife rod, on which a pin is inserted, and the tail of the knife rod is provided with an internal thread; a knob assembly, which is rotatably arranged on the mounting port of the handle, and the knob assembly includes a rotating inner core, which is sleeved on the knife rod, and the rotating inner core is rotated to drive the internal thread to be connected with the external thread of the transducer, and a through hole is opened on the side wall of the rotating inner core; wherein, the pin is inserted into the through hole to relatively fix the knob assembly and the knife rod.

[0007] Preferably, the knob assembly further comprises a rotating outer shell, which is sleeved on the rotating inner core, and a side wall of the rotating outer shell is provided with a plurality of rotating notches to facilitate the rotation of the rotating outer shell.

[0008] Preferably, the end of the rotating outer shell abuts the end of the mounting port of the handle, and the inner wall of the rotating outer shell is provided with an abutment platform; the outer wall of the rotating inner core is provided with an abutment block, and the abutment block abuts the abutment platform, so that the rotating outer shell is installed on the rotating inner core.

[0009] Preferably, the side wall of the abutting block is arranged to be inclined so that the rotating outer shell can be inserted into the rotating inner core from the inclined side wall of the abutting block.

[0010] Preferably, the outer wall of the rotating inner core is provided with a plurality of first limit blocks, the inner wall of the rotating outer shell is provided with a plurality of second limit blocks, and the second limit blocks can abut against the first limit blocks so that the rotating inner core is driven to rotate by the rotating outer shell.

[0011] Preferably, the outer wall of the rotating inner core is provided with a plurality of elastic notches, an elastic sheet is provided in the elastic notch, the first limit block is provided on the side wall of the elastic sheet, and the contact surface between the first limit block and the second limit block is an inclined surface. When the rotating inner core is tightened with the transducer, the inclined surface can guide the elastic sheet to deform so that the second limit block is screwed over the first limit block.

[0012] Preferably, the other side of the first limiting block and the second limiting block is a vertical surface, so that the rotating inner core can be loosened when the rotating outer shell rotates in the opposite direction.

[0013] Preferably, the outer wall of the rotating inner core is provided with a clamping concave ring, and the clamping concave ring is clamped in the installation opening of the handle.

[0014] The present utility model also provides an ultrasonic scalpel, comprising: a handle, which comprises a pair of shells covering each other, the front end of the shell is provided with a mounting port, the mounting port is provided with a clamping convex ring, and the rear end of the shell is provided with an insertion interface; a transducer, which is plugged into the insertion interface, and the front end of the transducer is provided with an external thread; the above-mentioned quick-release structure, the rotating inner core is clamped in the clamping convex ring, and the internal thread of the shank is connected to the external thread of the transducer.

[0015] The beneficial effects of the utility model are:

[0016] The knife rod is connected to the rotating inner core through a pin. After the knife rod is clamped in the installation opening of the handle, the rotating inner core is rotated to complete the connection between the knife rod and the transducer, avoiding the use of additional installation tools and cross infection.

[0017] Other features and advantages of the present invention will be set forth in the following description, and in part will become apparent from the description, or may be understood by practicing the present invention.

[0018] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1It is a three-dimensional diagram of a preferred embodiment of the ultrasonic scalpel of the present utility model;

[0021] Figure 2 It is a three-dimensional diagram of a preferred embodiment of the ultrasonic scalpel of the present utility model;

[0022] Figure 3 It is a cross-sectional view of a preferred embodiment of the quick-release structure of the utility model;

[0023] Figure 4 It is a side view of a preferred embodiment of the rotating assembly of the present utility model;

[0024] Figure 5 It is an exploded view of a preferred embodiment of the rotating assembly of the present invention.

[0025] In the picture:

[0026] 1. Tool bar; 11. Pin;

[0027] 2. Knob assembly; 21. Rotating inner core; 21a. Through hole; 21b. Abutment block; 21c. First stopper; 21d. Elastic notch; 21e. Elastic sheet; 21f. Inclined surface; 21g. Vertical surface; 21h. Recessed retaining ring; 22. Rotating outer shell; 22a. Rotating notch; 22b. Abutment platform; 22c. Second stopper;

[0028] 3. Handle; 31. Mounting port; 32. Housing; 33. Snap-on convex ring; 34. Plug port;

[0029] 4. Transducer. DETAILED DESCRIPTION

[0030] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0031] like Figures 1 to 5As shown, at least one embodiment provides a quick-release structure, including: a knife rod 1, on which a pin 11 is inserted, and the tail of the knife rod 1 is provided with an internal thread; a knob assembly 2, which is rotatably arranged on the mounting port 31 of the handle 3, and the knob assembly 2 includes a rotating inner core 21, which is sleeved on the knife rod 1, and the rotating inner core 21 is rotated to drive the internal thread to be connected with the external thread of the transducer 4, and a through hole 21a is opened on the side wall of the rotating inner core 21; wherein, the pin 11 is inserted into the through hole 21a to relatively fix the knob assembly 2 and the knife rod 1; in short, the knife rod 1 is connected to the rotating inner core 21 through the pin 11, and after the knife rod 1 is clamped in the mounting port 31 of the handle 3, the rotating inner core 21 is rotated to complete the connection between the knife rod 1 and the transducer 4, thereby avoiding the use of additional installation tools and cross infection.

[0032] In some embodiments, the knob assembly 2 also includes a rotating outer shell 22, which is sleeved on the rotating inner core 21. The side wall of the rotating outer shell 22 is provided with a plurality of rotating notches 22a to facilitate the rotation of the rotating outer shell 22; in short, the rotating outer shell 22 is sleeved on the rotating inner core 21, and rotating the rotating outer shell 22 can drive the rotating inner core 21 to rotate, thereby completing the installation and disassembly of the knife rod 1; further, the rotating notch 22a serves as a force application point to facilitate personnel to rotate the knife rod 1.

[0033] In some embodiments, the end of the rotating outer shell 22 abuts against the end of the mounting opening 31 of the handle 3, and the inner wall of the rotating outer shell 22 is provided with a supporting platform 22b; the outer wall of the rotating inner core 21 is provided with a supporting block 21b, and the supporting block 21b abuts against the supporting platform 22b, so that the rotating outer shell 22 is installed on the rotating inner core 21; in short, the supporting block 21b always abuts against the supporting platform 22b, so that the rotating outer shell 22 is limited between the end of the mounting opening 31 and the supporting block 21b.

[0034] In some embodiments, the side walls of the supporting block 21b are tilted so that the rotating shell 22 can be inserted into the rotating inner core 21 from the tilted side walls of the supporting block 21b; in short, the tilted side walls of the supporting block 21b can facilitate the insertion of the rotating shell 22 and improve the portability of the installation.

[0035] In some embodiments, the outer wall of the rotating inner core 21 is provided with a plurality of first limit blocks 21c, the inner wall of the rotating outer shell 22 is provided with a plurality of second limit blocks 22c, and the second limit blocks 22c can abut against the first limit blocks 21c so that the rotating inner core 21 is driven to rotate by the rotating outer shell 22; in short, the first limit blocks 21c and the second limit blocks 22c can abut against each other, and can transmit the rotational force of the rotating outer shell 22 to the rotating inner core 21, so as to drive the knife rod 1 to rotate.

[0036] In some embodiments, the outer wall of the rotating inner core 21 is provided with a plurality of elastic notches 21d, an elastic sheet 21e is provided in the elastic notch 21d, the first limit block 21c is provided on the side wall of the elastic sheet 21e, and the contact surface of the first limit block 21c and the second limit block 22c is an inclined surface 21f. When the rotating inner core 21 is tightened with the transducer 4, the inclined surface 21f can guide the elastic sheet 21e to deform so that the second limit block 22c can be screwed over the first limit block 21c; in short, when the torque of the thread at the connection between the shank 1 and the transducer 4 is too large and the rotating outer shell 22 continues to rotate, the first limit block 21c can be pressed into the elastic notch 21d, so that the torque of the transmission outer shell cannot continue to be transmitted, thereby ensuring that the thread at the connection is not damaged.

[0037] In some embodiments, the other side of the first limit block 21c and the second limit block 22c is a vertical surface 21g, so that when the rotating outer shell 22 rotates in the opposite direction, the rotating inner core 21 can be loosened. In short, this design can flip the rotating outer shell 22 to loosen the rotating inner core 21 to disassemble the knife rod 1.

[0038] In some embodiments, the outer wall of the rotating inner core 21 is provided with a clamping recessed ring 21h, and the clamping recessed ring 21h is clamped in the installation opening 31 of the handle 3; in short, through the clamping recessed ring 21h, the rotating inner core 21 can be rotated and set in the installation opening 31.

[0039] At least one embodiment also provides an ultrasonic scalpel, comprising: a handle 3, which includes a pair of shells 32 covering each other, the front end of the shell 32 is provided with a mounting port 31, the mounting port 31 is provided with a clamping convex ring 33, and the rear end of the shell 32 is provided with an insertion port 34; a transducer 4, which is plugged into the insertion port 34, and the front end of the transducer 4 is provided with an external thread; the above-mentioned quick-release structure, the rotating inner core 21 is clamped in the clamping convex ring 33, and the internal thread of the shank 1 is connected to the external thread of the transducer 4.

[0040] In the description of the embodiments of the present invention, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0041] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0042] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A quick-release structure, characterized in that: include: A knife rod (1) is inserted with a pin (11), and the tail of the knife rod (1) is provided with an internal thread; A knob assembly (2) is rotatably mounted on a mounting opening (31) of a handle (3), the knob assembly (2) comprising a rotating inner core (21), the rotating inner core (21) being sleeved on a knife rod (1), the rotating inner core (21) being rotated to drive the internal thread to connect with the external thread of the transducer (4), and a through hole (21a) being formed on a side wall of the rotating inner core (21); The pin (11) is inserted into the through hole (21a) to fix the knob assembly (2) and the knife rod (1) relative to each other.

2. The quick-release structure according to claim 1, wherein: The knob assembly (2) further comprises a rotating outer shell (22), which is sleeved on the rotating inner core (21), and a side wall of the rotating outer shell (22) is provided with a plurality of rotating notches (22a) to facilitate the rotation of the rotating outer shell (22).

3. The quick-release structure according to claim 2, wherein: The end of the rotating shell (22) abuts against the end of the mounting opening (31) of the handle (3), and the inner wall of the rotating shell (22) is provided with an abutting platform (22b); The outer wall of the rotating inner core (21) is provided with a supporting block (21b), and the supporting block (21b) supports the supporting platform (22b), so that the rotating outer shell (22) is mounted on the rotating inner core (21).

4. The quick-release structure according to claim 3, wherein: The side wall of the abutting block (21b) is arranged to be inclined, so that the rotating outer shell (22) can be inserted into the rotating inner core (21) from the inclined side wall of the abutting block (21b).

5. The quick-release structure according to claim 2, wherein: The outer wall of the rotating inner core (21) is provided with a plurality of first limiting blocks (21c), the inner wall of the rotating outer shell (22) is provided with a plurality of second limiting blocks (22c), and The second limiting block (22c) can abut against the first limiting block (21c), so that the rotating inner core (21) is driven to rotate by the rotating outer shell (22).

6. The quick-release structure according to claim 5, characterized in that: The outer wall of the rotating inner core (21) is provided with a plurality of elastic notches (21d), an elastic sheet (21e) is provided in the elastic notch (21d), the first limiting block (21c) is provided on the side wall of the elastic sheet (21e), and The contact surface between the first limiting block (21c) and the second limiting block (22c) is an inclined surface (21f); when the rotating inner core (21) is tightened with the transducer (4), the inclined surface (21f) can guide the elastic sheet (21e) to deform, so that the second limiting block (22c) is screwed over the first limiting block (21c).

7. The quick-release structure according to claim 6, characterized in that: The other side of the first limiting block (21c) and the second limiting block (22c) is a vertical surface (21g), so that when the rotating outer shell (22) rotates in the opposite direction, the rotating inner core (21) can be loosened.

8. The quick-release structure according to claim 1, wherein: The outer wall of the rotating inner core (21) is provided with a clamping concave ring (21h), and the clamping concave ring (21h) is clamped in the installation opening (31) of the handle (3).

9. An ultrasonic scalpel, characterized in that: include: The handle (3) comprises a pair of housings (32) covering each other, the front end of the housing (32) is provided with a mounting opening (31), the mounting opening (31) is provided with a locking convex ring (33), and the rear end of the housing (32) is provided with an insertion port (34); A transducer (4) is plugged into the plug interface (34), and a front end of the transducer (4) is provided with an external thread; According to the quick-release structure according to any one of claims 1 to 8, the rotating inner core (21) is clamped in the clamping convex ring (33), and the internal thread of the tool rod (1) is connected to the external thread of the transducer (4).

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