CN219166967U - A needle holder suitable for microwave ablation in CT room - Google Patents

Abstract

The utility model relates to the technical field of medical equipment, in particular to a microwave ablation needle holder support suitable for CT indoor use, which comprises a needle holder support body and a needle holder support body, wherein the needle holder support body comprises a needle holder support body, a needle holder support body and a needle holder support body. Comprises a fixed seat fixedly arranged on a patient bed and a clamping assembly for clamping an ablation needle; the joint of the fixing seat and the clamping assembly is provided with a spherical joint; the clamping assembly comprises a support bracket connected with the ball joint and clamping plates distributed on two sides of the ablation needle for clamping, and a moving structure for adjusting the distance between the two clamping plates is arranged between the two clamping plates; the device is through rotating moving mechanism with grip block centre gripping in the both sides of ablation needle, and then accomplish the fixed to the ablation needle, and then at the in-process of carrying out CT scanning, the ablation needle can keep at fixed angle, and then avoids the ablation needle to break away from on one's body the patient for keep invariable relative position between ablation needle and the patient, can effectually reduce patient's misery.

Description

A needle holder suitable for microwave ablation in CT room

technical field

The utility model relates to the technical field of medical equipment, in particular to a needle holder suitable for microwave ablation in a CT room.

Background technique

The principle of microwave ablation tumor treatment is to implant a microwave ablation needle into the tumor tissue under the guidance of CT, and introduce high temperature or low temperature through the puncture needle to cause coagulation and necrosis of the tumor tissue and coagulation of the vascular tissue around the tumor;

However, the microwave ablation needle is largely not a one-time success in the puncture process, but is adjusted again and again under the guidance of CT influence to achieve the best position, in the process of CT scanning (especially microwave ablation of the lung) , The puncture needle swings up and down with the patient's breathing. Without the help of the fixing device, the needle handle is easy to make the needle fall off under the influence of gravity, which affects the progress of the operation and increases the pain of the patient.

Utility model content

The utility model provides a needle holder suitable for using microwave ablation in a CT room to solve the problems in the prior art.

The technical problem solved by the utility model adopts the following technical solutions to realize:

A microwave ablation needle holder suitable for use in a CT room, including a fixed seat fixed on a hospital bed and a clamping assembly for clamping an ablation needle;

The connection between the fixing seat and the clamping assembly is set as a ball joint;

The clamping assembly includes a support bracket connected to the ball joint and clamping plates distributed on both sides of the ablation needle for clamping, and a clamping plate for adjusting the distance between the two clamping plates is provided between the two sides. mobile structure.

Preferably, the clamping plate is connected to the supporting bracket through a moving bracket, and the moving bracket is slidably connected in the length direction of the supporting bracket.

Preferably, the moving structure includes a moving screw rod rotatably connected to the supporting bracket, the two sides of the moving screw rod are respectively threaded with the two moving brackets, and one end of the moving screw rod is fixedly connected with handle.

Preferably, each of the clamping plates is connected to the moving bracket through two rotating blocks, the clamping plates are made of elastic metal plates, and the clamping plates are positioned at a position close to the ablation needle. The side is provided with clamping anti-slip pads.

Preferably, a boss is provided on the north side of the clamping plate, the boss is slidably connected to the rotating block, and the rotating block is rotatably connected to the moving bracket.

Preferably, the fixing seat includes two fixing splints for clamping and fixing, a telescopic rod is arranged between the two fixing splints, and fixed anti-slip pads are arranged on the adjacent sides of the two fixing splints.

Preferably, the fixed seat also includes an adjustment structure for driving the two fixed splints to move along the telescopic rod direction, the adjustment structure includes a fixed screw rod, one end of the fixed screw rod is rotatably mounted on one of the On the fixing splint, the fixing screw rod passes through the other fixing splint and is fixedly connected to the ball joint at its end.

Preferably, the adjustment structure further includes a threaded sleeve threadedly connected to the fixed screw rod, and the threaded sleeve is rotatably connected to a fixed splint not fixedly connected to the fixed screw rod.

The beneficial effect that the utility model has is:

The device clamps the clamping plate on both sides of the ablation needle by rotating the moving mechanism, and then completes the fixation of the ablation needle, and then in the process of CT scanning, the ablation needle can be kept at a fixed angle, thereby preventing the ablation needle from The patient is detached from the body, so that the relative position between the ablation needle and the patient remains unchanged, which can effectively reduce the pain of the patient.

Description of drawings

In order to illustrate the utility model embodiment or the technical solution in the prior art more clearly, the accompanying drawings that need to be used in the description of the embodiment or the prior art will be briefly introduced below. Obviously, the accompanying drawings in the following description These are only some embodiments of the present utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a structural schematic diagram of the overall shaft side of the utility model;

Fig. 2 is a schematic structural view of the shaft side of the utility model holder;

Fig. 3 is a structural schematic diagram of the right side of the clamping assembly of the present invention;

Fig. 4 is a schematic structural view of the shaft side of the clamping assembly of the present invention;

Fig. 5 is a schematic structural view of the clamping plate of the present invention.

In the figure: 1-fixed seat, 2-ball joint, 3-supporting bracket, 4-moving bracket, 5-moving structure, 51-moving screw, 52-handle, 6-clamping plate, 61-boss, 62-clamping anti-slip pad, 7-adjusting structure, 71-fixed screw rod, 72-threaded sleeve, 8-fixed splint, 81-fixed anti-slip pad, 82-telescopic rod, 9-rotating block.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific illustrations.

The following describes the specific implementation of the utility model in conjunction with Figures 1-5, a microwave ablation needle holder suitable for use in CT rooms, including a fixed seat 1 fixedly installed on the hospital bed and a clamping assembly for clamping the ablation needle;

The connection between the fixing seat 1 and the clamping assembly is set as a ball joint 2;

The clamping assembly includes a support bracket 3 connected to the ball joint 2 and clamping plates 6 distributed on both sides of the ablation needle for clamping. The mobile structure 5 used for the distance between.

Specifically, the size of the groove in which the clamping assembly is inserted into the ball joint 2 matches the size of the ball joint 2, and there is no rotation between the two when no external force is applied.

Before use, the device can be fixed and installed at any position on the edge of the hospital bed through the fixed seat 1. By setting the connection between the fixed seat 1 and the clamping assembly as a ball joint 2, the clamping assembly can be rotated in any direction during use. , and then achieve 360-degree rotation. After adjusting to an appropriate angle, place the ablation needle at the clamping position, and then clamp the clamping plate 6 on both sides of the ablation needle by rotating the moving mechanism 5, and then complete the fixation of the ablation needle , and then during the CT scanning process, the ablation needle can be kept at a fixed angle, thereby preventing the ablation needle from falling off the patient, so that the relative position between the ablation needle and the patient remains unchanged, which can effectively reduce the pain of the patient.

Preferably, in a specific embodiment of the present utility model, referring again to FIGS. In the length direction of the bracket 3.

Specifically, the moving structure 5 includes a moving screw 51 rotatably connected to the support bracket 3, and the two sides of the moving screw 51 are respectively threaded with the two moving brackets 4, and the moving screw 51 One end of the handle 51 is fixedly connected with a handle 52 .

Manually turn the handle 52 to drive the moving screw 51 to rotate, and use the threaded connection with the moving bracket 4 to push the moving brackets 4 on both sides to move inward or outward at the same time, thereby completing the clamping or loosening of the ablation needle.

Preferably, in a specific embodiment of the present utility model, referring to Fig. 5 again, each of the clamping plates 6 is connected to the moving bracket 4 through two rotating blocks 9, and the clamping plates 6 are selected to have An elastic metal plate, the clamping plate 6 is provided with a clamping anti-slip pad 62 on a side close to the ablation needle.

Specifically, a boss 61 is provided on the north side of the clamping plate 6 , and the boss 61 is slidably connected to the rotating block 9 , and the rotating block 9 is rotatably connected to the moving bracket 4 .

By setting the clamping plate 6 as an elastic metal plate, different degrees of bending can be changed according to different diameters of the ablation needles during the clamping process, so that the clamping plate 6 is closely attached to the ablation needle, and then can be Completely surround both sides of the ablation needle, and at the same time, after the clamping plate 6 acts on the ablation needle, continue to adjust the moving structure 5, and under the buffer of the elastic clamping plate 6, provide a larger clip for the ablation needle While maintaining the holding force, it also avoids direct rigidity acting on the ablation needle to cause damage.

Preferably, in a specific embodiment of the present utility model, referring to FIG. 2 again, the fixed seat 1 includes two fixed splints 8 for clamping and fixing, and a telescopic rod is arranged between the two fixed splints 8 82, the two fixed splints 8 are provided with a fixed anti-slip pad 81 on the side close to each other.

Specifically, the fixed seat 1 also includes an adjustment structure 7 for driving the two fixed splints 8 to move along the direction of the telescopic rod 82, the adjustment structure 7 includes a fixed screw 71, and one end of the fixed screw 71 It is rotatably mounted on one of the fixing splints 8 , and the fixing screw rod 71 is fixedly connected with the ball joint 2 at its end after passing through the other fixing splint 8 .

Further, the adjusting structure 7 also includes a threaded sleeve 72 threadedly connected with the fixing screw 71 , and the threaded sleeve 72 is rotatably connected to the fixing splint 8 that is not fixedly connected with the fixing screw 71 superior.

During use, the adjustment structure 7 can be used to adjust the distance between the two fixing splints 8, and it can be clamped on the side of the hospital bed to complete the fixing of the device, and the fixing splint 8 is set on the side close to the hospital bed for fixing. The anti-skid pad 81 can increase the friction between the bed and the bed, thereby increasing the fixing effect and preventing movement during use;

When fixing, the rotating threaded sleeve 72 utilizes the thread connection between the fixed screw rod 71 to push the fixed splint 8 to move, and by setting the telescopic rod 82 between the two fixed splints 8, the up and down of the two fixed splints 8 can be guaranteed. position to prevent deviation during fixation.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a be applicable to CT indoor use microwave ablation needle frame holds in palm which characterized in that: comprises a fixed seat (1) fixedly arranged on a patient bed and a clamping assembly for clamping an ablation needle;

the joint of the fixing seat (1) and the clamping assembly is provided with a spherical joint (2);

the clamping assembly comprises a supporting bracket (3) connected with the ball joint (2) and clamping plates (6) distributed on two sides of the ablation needle for clamping, and a moving structure (5) for adjusting the distance between the two clamping plates (6) is arranged between the two sides.

2. A holder for a microwave ablation needle adapted for use in a CT room as in claim 1, wherein: the clamping plate (6) is connected with the support bracket (3) through the movable bracket (4), and the movable bracket (4) is slidably connected to the support bracket (3) in the length direction.

3. A holder for a microwave ablation needle adapted for use in a CT room as in claim 2, wherein: the movable structure (5) comprises a movable screw rod (51) rotatably connected to the supporting bracket (3), two sides of the movable screw rod (51) are respectively in threaded connection with the two movable brackets (4), and one end of the movable screw rod (51) is fixedly connected with a handle (52).

4. A holder for a microwave ablation needle adapted for use in a CT room as in claim 2, wherein: each clamping plate (6) is connected with the movable support (4) through two rotating blocks (9), the clamping plates (6) are elastic metal plates, and clamping anti-slip pads (62) are arranged on one sides, close to the ablation needles, of the clamping plates (6).

5. A holder for a microwave ablation needle adapted for use in a CT room as defined in claim 4, wherein: the north side of grip block (6) is provided with boss (61), boss (61) with turning block (9) sliding connection, turning block (9) rotation is connected on moving bracket (4).

6. A holder for a microwave ablation needle adapted for use in a CT room as in claim 1, wherein: the fixing seat (1) comprises two fixing clamping plates (8) used for clamping and fixing, a telescopic rod (82) is arranged between the two fixing clamping plates (8), and a fixing anti-slip pad (81) is arranged on one side, close to the fixing clamping plates (8).

7. A holder for a microwave ablation needle adapted for use in a CT room as defined in claim 6, wherein: the fixing seat (1) further comprises an adjusting structure (7) for driving the two fixing clamping plates (8) to move along the direction of the telescopic rod (82), the adjusting structure (7) comprises a fixing screw rod (71), one end of the fixing screw rod (71) is rotatably arranged on one fixing clamping plate (8), and the fixing screw rod (71) penetrates through the other fixing clamping plate (8) and is fixedly connected with the spherical joint (2) at the tail end of the fixing clamping plate.

8. A holder for a microwave ablation needle adapted for use in a CT room as in claim 7, wherein: the adjusting structure (7) further comprises a threaded sleeve (72) in threaded connection with the fixed screw rod (71), and the threaded sleeve (72) is rotatably connected to a fixed clamping plate (8) which is not fixedly connected with the fixed screw rod (71).

Images