CN211674613U - Noninvasive clamping and fixing head frame - Google Patents

Abstract

Noninvasive clamping head fixing frame belongs to the technical field of medical instruments, and particularly relates to an noninvasive clamping head fixing frame. The utility model provides a simple structure, convenient to use's fixed headstock of non-invasive centre gripping. The utility model discloses a U type frame, its characterized in that: the U-shaped frame comprises a left arm and a right arm, and telescopic connecting rods matched with each other are arranged at the lower ends of the left arm and the right arm; the upper ends of the left arm and the right arm are provided with head clamps through elastic buttons.

Description

Non-invasive clamping fixed head frame

technical field

The utility model belongs to the technical field of medical instruments, in particular to a non-invasive clamping and fixing head frame.

Background technique

During neurosurgery under local anesthesia and general anesthesia, the head needs to be immobilized for local anesthesia drilling, puncture, biopsy or general anesthesia small bone window craniotomy.

At present, the commonly used neurosurgery head frames are mostly lift-type or skull-fixed head frames with head nails. For the lift-type head frame, it mainly supports the head, and the head cannot be fixed firmly, so during craniotomy, it is often However, the skull fixation head frame with head nails is an invasive head fixation device and cannot be used for fixation and clamping of the patient's head during local anesthesia surgery.

SUMMARY OF THE INVENTION

In view of the above problems, the utility model provides a non-invasive clamping and fixing head frame with simple structure and convenient use.

In order to achieve the above purpose of the present utility model, the present utility model adopts the following technical solutions. The present utility model includes a U-shaped frame, which is characterized in that: the U-shaped frame includes a left arm and a right arm, and the lower ends of the left arm and the right arm are provided with mutually A matched telescopic connecting rod; the upper ends of the left arm and the right arm are provided with head clips through elastic buttons.

As a preferred solution of the present invention, the telescopic connecting rod comprises a rod body arranged on the left arm and a fork body arranged on the right arm, and the rod body is matched with the chute of the fork body; the rod body and the fork body Corresponding position adjustment holes are arranged on it; positioning pins are arranged corresponding to the position adjustment holes.

Further, the surface of the rod body is provided with positioning teeth, and the center is a connecting tooth plate with a through hole.

As another preferred solution of the present invention, the elastic button includes a pressing handle arranged on the outer side of the left arm and the right arm, and a return spring is arranged between the pressing handle and the left arm and the right arm; a push handle is arranged on the pressing handle The rod and the push rod are connected with the head clip; a toothed limiter that cooperates with each other is arranged between the head clip and the left arm and the right arm.

Further, the pressing handle is set in a cross shape.

Further, a flexible sleeve is provided outside the return spring.

The beneficial effects of the present utility model: 1. The utility model fixes the head by the head clamp, and determines the clamping force by adjusting the distance between the left arm and the right arm for self-checking, which is convenient to use and will not cause trauma to the patient's head. .

2. The utility model can be directly used with other equipment by connecting the toothed plate, and the connecting toothed plate can realize the positioning function, which is convenient to use and has strong adaptability.

3. The utility model can disengage the left arm and the right arm from the head clip by pressing the handle, and after adjusting the angle, the reset spring drives the pressing handle to reset, and the angle of the head clip is locked, which is convenient to use. By setting the pressing handle in a cross shape, it is convenient to control the rotation angle.

4. The utility model is provided with a flexible sleeve outside the return spring, which can prevent the return spring from being polluted and difficult to clean.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

Figure 2 is a front view of the present invention.

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 .

FIG. 4 is a sectional view taken along line B-B of FIG. 2 .

In the drawings, 1 is the connecting tooth plate, 2 is the telescopic connecting rod, 3 is the positioning pin, 4 is the U-shaped frame, 5 is the head clip, 6 is the right arm, 7 is the elastic button, 8 is the toothed limiter, 9 10 is the left arm, 11 is the position adjustment hole, 12 is the fork body, 13 is the rod body, 14 is the flexible sleeve, 15 is the return spring, and 16 is the push rod.

Detailed ways

The utility model includes a U-shaped frame 4, which is characterized in that: the U-shaped frame 4 includes a left arm 10 and a right arm 6, and the lower ends of the left arm 10 and the right arm 6 are provided with a telescopic connecting rod 2 that cooperates with each other; 10 and the upper end of the right arm 6 are provided with a head clip 5 through an elastic button 7 .

As a preferred solution of the present invention, the telescopic connecting rod 2 includes a rod body 13 provided on the left arm 10 and a fork body 12 provided on the right arm 6 , and the rod body 13 is connected to the chute of the fork body 12 . Matching; the rod body 13 and the fork body 12 are provided with corresponding position adjustment holes 11 ; corresponding to the position adjustment holes 11 are provided with positioning pins 3 .

Further, the rod body 13 is provided with a surface with positioning teeth, and the center is a connecting toothed plate 1 with a through hole.

As another preferred solution of the present invention, the elastic button 7 includes a pressing handle 9 disposed on the outside of the left arm 10 and the right arm 6 , and a return spring is provided between the pressing handle 9 and the left arm 10 and the right arm 6 15. A push rod 16 is provided on the pressing handle 9, and the push rod 16 is connected to the head clip 5;

Further, the pressing handle 9 is set in a cross shape.

Further, a flexible sleeve 14 is provided outside the return spring 15 .

When the utility model is used, firstly connect the toothed plate 1 with other equipment (such as operating bed, operating table, etc.), adjust the angle and then preliminarily locate, and then press the handle 9 to disengage the head clip 5 and the U-shaped frame 4 , after adjusting the angle, match with the patient's head; adjust the clamping degree by adjusting the relative position of the rod body 13 and the fork body 12; after adjusting, fix the U-shaped frame 4 through the positioning pin 3; The utility model and other equipments can be operated on the patient by connecting the toothed disc 1 to complete positioning.

It can be understood that the above specific description about the present utility model is only used to illustrate the present utility model and is not limited to the technical solutions described in the embodiments of the present utility model. Modifications or equivalent replacements are made to the new model to achieve the same technical effect; as long as the needs of use are met, they are all within the protection scope of the present invention.

Claims (6)

1. Noninvasive clamping head fixing frame, comprising a U-shaped frame (4), and is characterized in that: the U-shaped frame (4) comprises a left arm (10) and a right arm (6), and telescopic connecting rods (2) which are matched with each other are arranged at the lower ends of the left arm (10) and the right arm (6); the upper ends of the left arm (10) and the right arm (6) are provided with head clamps (5) through elastic buttons (7).

2. The non-invasive clamping headgear of claim 1, wherein: the telescopic connecting rod (2) comprises a rod body (13) arranged on the left arm (10) and a fork-shaped body (12) arranged on the right arm (6), and the rod body (13) is matched with a sliding groove of the fork-shaped body (12); the rod body (13) and the fork-shaped body (12) are provided with corresponding position adjusting holes (11); a positioning bolt (3) is arranged corresponding to the position adjusting hole (11).

3. The non-invasive clamping headgear of claim 2, wherein: the connecting fluted disc (1) with the positioning teeth on the surface and the through hole at the center is arranged on the rod body (13).

4. The non-invasive clamping headgear of claim 1, wherein: the elastic button (7) comprises a pressing handle (9) arranged at the outer sides of the left arm (10) and the right arm (6), and return springs (15) are arranged between the pressing handle (9) and the left arm (10) and between the pressing handle and the right arm (6); a push rod (16) is arranged on the pressing handle (9), and the push rod (16) is connected with the head clamp (5); tooth-shaped limiting parts (8) which are matched with each other are arranged between the head clamp (5) and the left arm (10) and between the head clamp and the right arm (6).

5. The non-invasive clamping headgear of claim 4, wherein: the pressing handle (9) is in a cross shape.

6. The non-invasive clamping headgear of claim 4, wherein: a flexible sleeve (14) is arranged outside the return spring (15).

Images