CN218242337U

CN218242337U - Depth stop

Info

Publication number: CN218242337U
Application number: CN202222604693.8U
Authority: CN
Inventors: 洪宇祥; 李旭
Original assignee: Boruikang Medical Technology Shanghai Co ltd
Current assignee: Boruikang Medical Technology Shanghai Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-06
Anticipated expiration: 2032-09-30

Abstract

The utility model relates to the technical field of medical instruments, in particular to a depth limiter, which comprises a base, wherein a first notch suitable for mounting an electrode is arranged on the base; the locking piece is positioned on the base; wherein, the locking piece comprises a moving piece and an abutting piece; the movable piece is suitable for rotating outside the base and driving the contact piece to move inside the base so as to enable the electrode to be tightly contacted with the side face of the first notch. The utility model discloses a depth limiter, electrode installation are in first breach, and are rotatory in the base outside through the moving part, drive conflict piece and are close to the electrode activity, support the electrode tightly, and rotary motion can not take place for conflict piece and the inconsistent one end of electrode, consequently at the in-process of locking electrode, and conflict piece can not damage the electrode surface.

Description

Depth stop

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a depth limiter.

Background

The existing depth stop generally comprises a base and a locking screw, wherein an electrode is arranged on the base, the locking screw penetrates through a central hole in the base and then abuts against the electrode, and after the electrode is confirmed to be implanted correctly, the electrode is locked on the base by rotating the locking screw.

However, in the process of locking the electrode, the locking screw rotates, the greater the pressure of the locking screw on the electrode is, the end of the locking screw, which is abutted to the electrode, rotates, and the surface of the electrode is damaged as the locking screw abuts against the surface of the electrode and rotates on the surface of the electrode.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the locking screw of the existing depth stop butts against the surface of the electrode in the process of fixing the electrode and rotates on the surface of the electrode to damage the surface of the electrode.

In order to solve the technical problem, the utility model provides a depth stop, include:

the base is provided with a first notch suitable for mounting the electrode;

the locking piece is positioned on the base; wherein,

the locking piece comprises a moving piece and an abutting piece;

the movable piece is suitable for rotating outside the base and driving the contact piece to move inside the base so as to enable the electrode to be tightly contacted with the side face of the first notch.

The utility model discloses a depth limiter, electrode installation are in first breach, and are rotatory in the base outside through the moving part, drive conflict piece and are close to the electrode activity, support the electrode tightly, and rotary motion can not take place for conflict piece and the inconsistent one end of electrode, consequently at the in-process of locking electrode, conflict piece can not damage the electrode surface.

Furthermore, the moving part is a rotating handle, and at least three cylindrical bosses are sequentially arranged on the moving part; wherein,

the first cylindrical boss is positioned on the outer side of the base, and a plurality of anti-skid bulges are arranged on the cylindrical surface of the first cylindrical boss;

the second cylindrical boss is matched with an annular groove in the base to limit the axial movement of the rotary handle;

the third cylindrical boss is movably connected with the abutting piece.

Further, the interference piece comprises a spinning nut with a cylindrical boss structure;

the outer side of the spinning nut is provided with a limiting surface attached to the base so as to prevent the spinning nut from rotating along with the moving piece.

Further, the interior of the spinning nut is provided with a thread connected with the movable piece.

Furthermore, the ball is embedded in the inner side of the spinning nut, and the moving part is provided with a spiral groove in sliding fit with the ball so as to drive the spinning nut to move through the rotation of the moving part.

Furthermore, the base is provided with a mounting hole for mounting a locking piece;

the mounting hole is perpendicular to the first notch.

Further, the base comprises an upper base body, a lower base body and an I-shaped block;

the upper base body and the lower base body are respectively arranged on the I-shaped block through corresponding T-shaped holes.

Furthermore, a positioning column is arranged on the lower base body, a positioning hole corresponding to the positioning column is arranged on the upper base body, and the positioning column is inserted into the positioning hole.

The utility model has the beneficial effect of, the utility model discloses a depth limiter, electrode installation are in first breach, and through at the rotatory moving part in the base outside, the moving part rotates and can drive conflict piece and be close to the electrode activity, supports the electrode tightly, and the in-process of locking electrode, conflict piece only can be close to the electrode motion relatively, can not take place relative rotation with the electrode and move, consequently can not damage the surface of electrode to guarantee that the electrode is not damaged, it is more reliable to the locking of electrode.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is an assembly schematic of the depth stop of the present invention.

FIG. 2 is a schematic structural view of a base portion of the depth stop of the present invention.

FIG. 3 is a schematic view of the lower base member of the depth stop of the present invention.

Fig. 4 is a schematic structural view of the movable member of the present invention.

In the figure: 1. a base; 11. a first notch; 12. mounting holes; 13. an annular groove; 14. an I-shaped block; 15. an upper substrate; 151. positioning holes; 16. a lower substrate; 161. a positioning column;

2. a locking member; 21. a movable member; 211. a first cylindrical boss; 212. a second cylindrical boss; 213. a third cylindrical boss; 22. a contact member; 221. a limiting surface.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, which are the most preferred embodiments of the present invention, a depth stop includes a base 1 and a locking member 2, the base 1 is provided with a first notch 11, the first notch 11 is suitable for installing an electrode, the base 1 is provided with an installation hole 12, the installation hole 12 is communicated with the first notch 11, and the installation hole 12 is perpendicular to the first notch 11; retaining member 2 is located mounting hole 12, retaining member 2 and base 1 swing joint to the one end of adjusting retaining member 2 is close to the electrode activity, supports the electrode tightly.

The locking member 2 comprises a movable member 21 and a contact member 22 located on the movable member 21; the movable element 21 is movably connected with the base 1, the abutting element 22 is connected with the movable element 21, and the movable element 21 is suitable for rotating outside the base 1 and driving the abutting element 22 to move inside the base 1, so that the electrode abuts against the side surface of the first notch 11.

The movable piece 21 is a rotating handle, and at least three cylindrical bosses are sequentially arranged on the movable piece; the first cylindrical boss 211 is positioned on the outer side of the base 1, and a plurality of anti-skid protrusions are arranged on the cylindrical surface of the first cylindrical boss; the second cylindrical boss 212 is matched with the annular groove 13 in the base 1 to limit the axial movement of the rotary handle; the third cylindrical boss 213 is movably connected with the abutting member 22.

The contact member 22 comprises a spinning nut with a cylindrical boss structure; the outer side of the spinning nut is provided with a limiting surface 221 attached to the base 1 to prevent the spinning nut from rotating along with the movable piece 21.

Specifically, in an embodiment of the present invention, the inside of the spin nut is provided with a thread connected to the movable member 21.

In another embodiment of the present invention, the ball is embedded inside the spinning nut, and the spiral groove sliding fitted with the ball is provided on the moving member 21, so as to drive the spinning nut to move by rotating the moving member 21. When the movable piece 21 rotates, the ball slides in the spiral groove to drive the spinning nut to move.

The base 1 comprises an upper base body 15, a lower base body 16 and an I-shaped block 14, wherein the upper base body 15 covers the lower base body 16; the upper base body 15 comprises an upper boss, an upper notch and an upper mounting groove, wherein the upper notch and the upper mounting groove are positioned on the upper boss; the lower base body 16 comprises a lower boss, a lower lug, a lower notch and a lower mounting groove, wherein the lower notch and the lower mounting groove are positioned on the lower boss; the upper portion breach and the lower part breach link up mutually and form first breach 11, and the upper portion mounting groove corresponds with the lower part mounting groove and forms mounting hole 12.

The upper base body 15 and the lower base body 16 are respectively arranged on the I-shaped block 14 through corresponding T-shaped holes, specifically, the upper base body 15 is provided with an upper T-shaped hole, the lower base body 16 is provided with an inverted T-shaped hole, the upper T-shaped hole is communicated with the inverted T-shaped hole to form an I-shaped hole, and the I-shaped block 14 is arranged in the I-shaped hole and matched with the I-shaped hole. The lower base 16 is provided with a positioning column 161, the upper base 15 is provided with a positioning hole 151 corresponding to the positioning column 161, and the positioning column 161 is inserted into and matched with the positioning hole 151 to position the upper cover and the base 1.

The utility model has the beneficial effect of, the utility model discloses a depth limiter, electrode installation are in first breach 11, and through at the 1 outside rotary moving part 21 of base, moving part 21 rotates and can drive the piece 22 of supporting and be close to the electrode activity, supports the electrode tightly, and the in-process of locking electrode, the piece 22 of contradicting only can be close to the electrode motion relatively, can not take place relative rotary motion with the electrode, consequently can not damage the surface of electrode to guarantee that the electrode is not damaged, it is more reliable to the locking of electrode.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and must be determined by the scope of the claims.

Claims

1. A depth stop, comprising:

a base (1) provided with a first notch (11) suitable for mounting an electrode;

the locking piece (2) is positioned on the base (1); wherein,

the locking piece (2) comprises a movable piece (21) and an abutting piece (22);

the movable piece (21) is suitable for rotating outside the base (1) and driving the contact piece (22) to move inside the base (1) so as to enable the electrode to be tightly contacted with the side face of the first notch (11).

2. The depth stop of claim 1,

the movable piece (21) is a rotating handle, and at least three cylindrical bosses are sequentially arranged on the movable piece; wherein,

the first cylindrical boss (211) is positioned on the outer side of the base (1), and a plurality of anti-skid protrusions are arranged on the cylindrical surface of the first cylindrical boss;

the second cylindrical boss (212) is matched with an annular groove (13) in the base (1) to limit the axial movement of the rotating handle;

the third cylindrical boss (213) is movably connected with the abutting piece (22).

3. The depth stop of claim 1,

the contact piece (22) comprises a spinning nut with a cylindrical boss structure;

the outer side of the spinning nut is provided with a limiting surface (221) attached to the base (1) to prevent the spinning nut from rotating along with the moving piece (21).

4. The depth stop of claim 3,

and the spinning nut is internally provided with a thread connected with the movable piece (21).

5. The depth stop of claim 3,

the inner side of the spinning nut is embedded with balls, and the moving part (21) is provided with a spiral groove in sliding fit with the balls so as to drive the spinning nut to move through the rotation of the moving part (21).

6. The depth stop of claim 1,

the base (1) is provided with a mounting hole (12) for mounting the locking piece (2);

the mounting hole (12) is perpendicular to the first notch (11).

7. The depth stop of claim 1, wherein the base (1) comprises an upper base (15), a lower base (16) and an i-shaped block (14);

the upper base body (15) and the lower base body (16) are respectively arranged on the I-shaped block (14) through corresponding T-shaped holes.

8. The depth stop of claim 7, wherein the lower base (16) is provided with a positioning post (161), the upper base (15) is provided with a positioning hole (151) corresponding to the positioning post (161), and the positioning post (161) is inserted into the positioning hole (151).