CN219166967U

CN219166967U - Be applicable to CT indoor use microwave ablation needle frame support

Info

Publication number: CN219166967U
Application number: CN202320432806.2U
Authority: CN
Inventors: 毛一民; 李金花
Original assignee: Hunan Cancer Hospital
Current assignee: Hunan Cancer Hospital
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-06-13
Anticipated expiration: 2033-03-09

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

Be applicable to CT indoor use microwave ablation needle frame support

Technical Field

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.

Background

The microwave ablation tumor treatment principle is that a microwave ablation needle is implanted into tumor tissues under the guidance of CT, and high temperature or low temperature is introduced through a puncture needle to coagulate and necrotize the tumor tissues and coagulate vascular tissues around the tumor;

however, the microwave ablation needle is not successful once in the process of puncturing to a great extent, but is adjusted again under the influence of CT so as to reach the optimal position, in the process of CT scanning (especially microwave ablation of lung), the amplitude of the vertical swing of the puncture needle along with the respiration of a patient is larger, the needle handle easily drops off under the influence of gravity without the help of a fixing device, the operation progress is influenced, and the pain of the patient is increased.

Disclosure of Invention

The utility model provides a microwave ablation needle holder suitable for CT indoor use, which solves the problems in the prior art.

The technical problems solved by the utility model are realized by adopting the following technical scheme:

a microwave ablation needle holder suitable for CT indoor use 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 supporting 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 sides of the clamping plates.

Preferably, the clamping plate is connected with the support bracket through a movable bracket, and the movable bracket is slidably connected with the support bracket in the length direction.

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

Preferably, each clamping plate is connected with the movable bracket through two rotating blocks, the clamping plates are elastic metal plates, and clamping anti-slip pads are arranged on one sides of the clamping plates, which are close to the ablation needles, of the clamping plates.

Preferably, a boss is arranged on the north side of the clamping plate, the boss is in sliding connection with the rotating block, and the rotating block is rotationally connected to the movable support.

Preferably, the fixing seat comprises two fixing clamping plates used for clamping and fixing, a telescopic rod is arranged between the two fixing clamping plates, and a fixing anti-slip pad is arranged on one side, close to the fixing clamping plates, of the two fixing clamping plates.

Preferably, the fixing seat further comprises an adjusting structure for driving the two fixing clamping plates to move along the direction of the telescopic rod, the adjusting structure comprises a fixing screw rod, one end of the fixing screw rod is rotatably arranged on one fixing clamping plate, and the fixing screw rod passes through the other fixing clamping plate and is fixedly connected with the ball joint at the tail end of the fixing screw rod.

Preferably, the adjusting structure further comprises a threaded sleeve in threaded connection with the fixed screw rod, and the threaded sleeve is rotationally connected to a fixed clamping plate which is not fixedly connected with the fixed screw rod.

The utility model has the beneficial effects that:

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.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall axial side structure of the present utility model;

FIG. 2 is a schematic view of the structure of the shaft side of the fixing base of the present utility model;

FIG. 3 is a schematic view of the structure of the right side of the clamping assembly of the present utility model;

FIG. 4 is a schematic view of the axial side of the clamping assembly of the present utility model;

fig. 5 is a schematic structural view of the clamping plate of the present utility model.

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

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

The following describes a specific embodiment of the present utility model with reference to fig. 1 to 5, and a holder for a microwave ablation needle used in a CT room, which comprises a fixing seat 1 fixedly installed 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.

Specifically, the groove size of the clamping component embedded in the ball joint 2 is matched with the size of the ball joint 2, and the clamping component and the ball joint cannot rotate when no external force is applied.

Before the use, device accessible fixing base 1 fixed mounting is at the optional position at sick bed edge, through setting up to ball-type joint 2 in fixing base 1 and clamping component junction, in the in-process of using, can rotate clamping component to arbitrary direction, and then realize 360 degrees rotations, after adjusting to suitable angle, place the ablation needle in clamping position, through rotating moving mechanism 5 with grip block 6 centre gripping in the both sides of ablation needle, and then accomplish the fixed to the ablation needle, and then in the in-process of carrying out CT scanning, the ablation needle can keep at fixed angle, and then avoid the ablation needle to break away from on the patient for maintain invariable relative position between ablation needle and the patient, can effectually reduce patient's misery.

Preferably, in a specific embodiment of the present utility model, referring again to fig. 3-4, the clamping plate 6 is connected to the support bracket 3 by a moving bracket 4, and the moving bracket 4 is slidably connected to the support bracket 3 in the length direction.

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

The manual rotation handle 52 drives the movable screw rod 51 to rotate, and the movable brackets 4 on two sides are pushed to move inwards or outwards simultaneously by using threaded connection with the movable brackets 4, so that the ablation needle is clamped or loosened.

Preferably, in a specific embodiment of the present utility model, referring again to fig. 5, each of the clamping plates 6 is connected to the moving support 4 through two rotating blocks 9, the clamping plates 6 are made of elastic metal plates, and the clamping plates 6 are provided with clamping anti-slip pads 62 at a side close to the ablation needle.

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

Through setting up grip block 6 as having elastic metal sheet, can change different crooked degree according to the ablation needle of different diameter sizes at the in-process of centre gripping, make grip block 6 closely laminate on the ablation needle, and then can surround completely in the both sides of ablation needle, simultaneously, grip block 6 effect is on the ablation needle after, continue to adjust and remove structure 5, under the buffering that has elastic grip block 6, when providing bigger clamping force for the ablation needle, also avoid direct rigidity effect to cause the damage on the ablation needle.

Preferably, in one embodiment of the present utility model, referring again to fig. 2, the fixing base 1 includes two fixing clamping plates 8 for clamping and fixing, a telescopic rod 82 is disposed between the two fixing clamping plates 8, and a fixing anti-slip pad 81 is disposed on a side of the two fixing clamping plates 8 close to each other.

Specifically, the fixing base 1 further includes 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 includes a fixing screw 71, one end of the fixing screw 71 is rotatably mounted on one of the fixing clamping plates 8, and the fixing screw 71 passes through the other fixing clamping plate 8 and is fixedly connected with the ball joint 2 at the end thereof.

Further, the adjusting structure 7 further comprises a threaded sleeve 72 in threaded connection with the fixing screw 71, and the threaded sleeve 72 is rotatably connected to the fixing clamp plate 8 which is not fixedly connected with the fixing screw 71.

In the using process, the distance between the two fixed clamping plates 8 can be adjusted by utilizing the adjusting structure 7, the fixed clamping plates are clamped at the side edge of the sickbed, the fixing of the device is completed, and the fixed anti-slip pad 81 is arranged on one side of the fixed clamping plates 8 close to the sickbed, so that the friction force between the fixed clamping plates and the sickbed can be increased, the fixing effect is further improved, and the phenomenon of movement in the using process is prevented;

during fixing, the threaded sleeve 72 is rotated to push the fixing clamp plates 8 to move by utilizing the threaded connection with the fixing screw rod 71, and the telescopic rod 82 is arranged between the two fixing clamp plates 8, so that the upper and lower positions of the two fixing clamp plates 8 can be ensured, and the offset in the fixing process is prevented.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

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).