CN219207297U

CN219207297U - Detachable microwave ablation needle

Info

Publication number: CN219207297U
Application number: CN202222281897.2U
Authority: CN
Inventors: 闻利民
Original assignee: Baide Suzhou Medical Co ltd
Current assignee: Baide Suzhou Medical Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-06-20
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a detachable microwave ablation needle which comprises a needle handle and a disassembly and assembly component, wherein a plug is arranged at the bottom end of the needle handle, a connector is electrically connected to the lower end of the plug, an ablation needle body is arranged at the bottom end of the connector, the disassembly and assembly component for quick disassembly is arranged at the outer side of the lower end of the needle handle, the disassembly and assembly component comprises a fixing ring, a guide rod, a positioning spring, a clamping plate, a clamping groove, a guide sleeve and a baffle ring, the fixing ring is fixed at the outer side of the lower end of the needle handle, the guide rod is fixed inside the periphery of the fixing ring, the positioning spring is sleeved at the outer side of the guide rod, and the clamping plate is fixed at the end part of the positioning spring. This detachable microwave ablation needle passes through the setting of dismouting subassembly, when dismantling the change to the ablation needle body, is convenient for promote the uide bushing, makes it promote all cardboard under the spacing of guide bar, and the outside removes simultaneously to separate with the draw-in groove, the quick butt joint of being convenient for is dismantled.

Description

Detachable microwave ablation needle

Technical Field

The utility model relates to the technical field of microwave ablation needles, in particular to a detachable microwave ablation needle.

Background

The microwave ablation is to puncture a special microwave ablation needle into the central area of the tumor through skin, and a micro microwave oven with the size of 1 millimeter is arranged at a certain point of the microwave needle, so that the microwave magnetic field released by the microwave ablation needle can enable surrounding molecules to rotate at a high speed and move for friction, a large amount of heat is rapidly generated, and the tumor is instantaneously thermally solidified and necrotized due to the high heat.

The application number is as follows: the utility model discloses a multifunctional microwave ablation needle, and belongs to the technical field of microwave ablation treatment equipment. The multifunctional microwave ablation needle comprises a microwave ablation needle body, a handle, a water inlet pipe, a water outlet pipe, a microwave coaxial connector, a temperature display window body and a transfusion pipe interface; the microwave ablation needle body comprises a needle tip body, a microwave electrode, an insulator, an outer tube, a cooling tube, a microwave coaxial cable, a temperature sensor, a connecting cable and a transfusion tube; the temperature sensor is arranged on the needle point body and is connected with one end of the connecting cable; one end of the infusion tube is connected with the infusion tube joint, and the other end of the infusion tube is arranged on the needle point body. The microwave ablation needle can reflect the accurate temperature condition in real time, can sterilize or administer medicine accurately to the microwave ablation part, and is convenient for accurate positioning through the needle point convex structure on the needle point body.

Ablation needles similar to the above application currently suffer from the following disadvantages:

there is a problem that the ablation needle is inconvenient to detach, resulting in time and effort consuming when changing the needle.

Accordingly, the present utility model provides a detachable microwave ablation needle for achieving the purpose of more practical value.

Disclosure of Invention

The utility model aims to provide a detachable microwave ablation needle so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a detachable microwave ablation needle, includes needle handle and dismouting subassembly, the bottom of needle handle is provided with the plug, and the lower extreme electric connection of plug has the joint, the bottom of joint is provided with the ablation needle body for quick assembly disassembly's dismouting subassembly sets up in the lower extreme outside of needle handle, the dismouting subassembly includes solid fixed ring, guide bar, positioning spring, cardboard, draw-in groove, uide bushing and fender ring, the lower extreme outside of needle handle is fixed with solid fixed ring, and gu fixed ring's inside is fixed with the guide bar all around, positioning spring has been cup jointed in the outside of guide bar, and positioning spring's end fixing has the cardboard, the cardboard is through draw-in groove and joint looks gomphosis, and the top sliding connection of cardboard has the uide bushing, the middle part lower extreme outside of needle handle is fixed with keeps off the ring.

Further, the lower end of the guide sleeve is inclined, the guide sleeve is in sliding connection with the needle handle, and the slope of the top surface of the clamping plate is the same as the slope of the bottom surface of the guide sleeve.

Further, the outside of the upper end of the middle part of the needle handle is provided with a distance component for distance fixing, the distance component comprises a limiting ring, a limiting rod and a graduated scale, the inside sliding connection of the left end and the right end of the limiting ring is provided with the limiting rod, and the outside of the limiting rod is provided with the graduated scale.

Further, the distance component further comprises a positioning ring and an anti-slip pad, the bottom end of the limiting rod is fixed with the positioning ring, and the anti-slip pad is arranged on the bottom surface of the positioning ring.

Further, the upper end of spacing ring is provided with the adjusting part who is used for adjusting, adjusting part includes rotor plate and shifting block, the top surface sliding connection of locating ring has the rotor plate, and the top surface one end of rotor plate is fixed with the shifting block.

Further, adjusting part still includes guide way, slide bar and spacing groove, the guide way has been seted up at both ends about the top surface of rotor plate, and the inside sliding connection of guide way has the slide bar, the slide bar passes through spacing groove and spacing ring sliding connection.

Further, the adjusting component further comprises a tooth block, a reset spring and a tooth groove, the tooth block is fixed at the bottom end of the sliding rod and is in sliding connection with the limiting ring, one side of the tooth block is connected with the reset spring, and the tooth groove is formed in one side of the limiting rod.

Furthermore, the tooth grooves are distributed at equal intervals on one side of the limiting rod, and the tooth blocks are meshed with the limiting rod through the tooth grooves.

The utility model provides a detachable microwave ablation needle, which has the following beneficial effects: this detachable microwave ablation needle adopts the mutually supporting between a plurality of subassemblies, not only can quick ablation needle dismouting to convenience when improving the use, and the degree of depth when being convenient for still inserts is fixed a distance, in order to improve the efficiency when treating.

1. According to the utility model, through the arrangement of the dismounting assembly, when the ablation needle body is dismounted and replaced, the guide sleeve is conveniently pushed, so that all clamping plates are pushed by the guide sleeve to move outwards under the limit of the guide rod, and are separated from the clamping grooves, so that the rapid dismounting of the butt joint is facilitated;

2. according to the utility model, the spacing assembly is arranged, so that the spacing rod is moved in the spacing ring to adjust the position of the positioning ring, so that after the ablation needle body is inserted into the skin, the positioning ring can be attached to the skin, the inserted depth can be rapidly positioned, the efficiency in treatment is improved, meanwhile, the precision in adjustment is conveniently improved through the arrangement of the graduated scale, and the stability between the positioning ring and the skin can be enhanced by the anti-skid pad;

3. according to the utility model, through the arrangement of the adjusting component, when the limiting rod is adjusted, the shifting block is convenient to stir, the rotating plate drives the guide groove to rotate, the sliding rod can drive the tooth blocks at two ends to synchronously move under the action of the guide groove and the limiting groove, so that the tooth blocks are separated from the tooth grooves, the position of the limiting rod can be adjusted rapidly, and after the hand is loosened, the reset spring can push the tooth blocks to be meshed with the tooth grooves, so that the convenience in positioning is improved.

Drawings

FIG. 1 is a schematic overall elevational view of a detachable microwave ablation needle in accordance with the present utility model;

FIG. 2 is a schematic cross-sectional view of a detachable microwave ablation needle assembly according to the present utility model;

fig. 3 is a schematic perspective view of a detachable stop collar of a microwave ablation needle according to the present utility model.

In the figure: 1. a needle handle; 2. a plug; 3. a joint; 4. an ablation needle body; 5. disassembling and assembling the assembly; 501. a fixing ring; 502. a guide rod; 503. a positioning spring; 504. a clamping plate; 505. a clamping groove; 506. a guide sleeve; 507. a baffle ring; 6. a distance assembly; 601. a limiting ring; 602. a limit rod; 603. a graduated scale; 604. a positioning ring; 605. an anti-slip pad; 7. an adjustment assembly; 701. a rotating plate; 702. a shifting block; 703. a guide groove; 704. a slide bar; 705. a limit groove; 706. tooth blocks; 707. a return spring; 708. tooth slots.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 and 2, a detachable microwave ablation needle comprises a needle handle 1 and a dismounting component 5, wherein a plug 2 is arranged at the bottom end of the needle handle 1, a connector 3 is electrically connected to the lower end of the plug 2, an ablation needle body 4 is arranged at the bottom end of the connector 3, the dismounting component 5 for quick dismounting is arranged at the outer side of the lower end of the needle handle 1, the dismounting component 5 comprises a fixing ring 501, a guide rod 502, a positioning spring 503, a clamping plate 504, a clamping groove 505, a guide sleeve 506 and a blocking ring 507, the fixing ring 501 is fixed at the outer side of the lower end of the needle handle 1, a guide rod 502 is fixed at the periphery of the fixing ring 501, a positioning spring 503 is sleeved at the outer side of the guide rod 502, a clamping plate 504 is fixed at the end of the positioning spring 503, the clamping plate 504 is embedded with the connector 3 through the clamping groove 505, the top end of the clamping plate 504 is slidably connected with the guide sleeve 506, the lower end of the guide sleeve 506 is inclined, the slope of the top surface of the guide sleeve 506 is the same as that of the guide sleeve 506, the bottom surface of the guide sleeve 506 is convenient for pushing the guide sleeve 506, all clamping plates 504 push the clamping plates to move away from the lower end of the guide rod 502 at the guide rod 502, and simultaneously, the outer side of the clamping rod is convenient to detach the needle body 4 from the outer side of the needle handle 1, and the ablation needle body is convenient to detach,

as shown in fig. 1, a distance component 6 for distance is arranged at the outer side of the upper end of the middle part of the needle handle 1, the distance component 6 comprises a limiting ring 601, a limiting rod 602 and a graduated scale 603, the limiting rod 602 is connected with the left end and the right end of the limiting ring 601 in a sliding manner, the graduated scale 603 is arranged at the outer side of the limiting rod 602, the precision during adjustment is convenient to improve through the arrangement of the graduated scale 603, the distance component 6 further comprises a positioning ring 604 and an anti-slip pad 605, the positioning ring 604 is fixed at the bottom end of the limiting rod 602, the anti-slip pad 605 is arranged at the bottom surface of the positioning ring 604, after the ablation needle body 4 is inserted into the skin, the positioning ring 604 can be attached to the skin, the inserted depth can be rapidly positioned, so that the efficiency during treatment is improved, and the anti-slip pad 605 can enhance the stability between the positioning ring 604 and the skin.

As shown in fig. 1, fig. 2 and fig. 3, the upper end of the limiting ring 601 is provided with an adjusting component 7 for adjusting, the adjusting component 7 comprises a rotating plate 701 and a shifting block 702, the top surface of the positioning ring 604 is slidably connected with the rotating plate 701, one end of the top surface of the rotating plate 701 is fixed with the shifting block 702, the shifting block 702 is convenient to stir, the rotating plate 701 drives the guiding groove 703 to rotate, the adjusting component 7 further comprises a guiding groove 703, a sliding rod 704 and a limiting groove 705, the left end and the right end of the top surface of the rotating plate 701 are provided with the guiding groove 703, the sliding rod 704 is slidably connected with the inside of the guiding groove 703, the sliding rod 704 is slidably connected with the sliding rod 704, the sliding rod 704 is slidably connected with the limiting ring 601 through the limiting groove 705, the sliding rod 704 can drive the tooth blocks 706 at the two ends to synchronously move under the action of the guiding groove 703 and the limiting groove 705, the adjusting component 7 further comprises the tooth blocks 706, a reset spring 707 and tooth grooves 708, the bottom end of the sliding rod 704 is fixed with the tooth blocks 706, the tooth blocks 706 are slidably connected with the limiting ring 601, one side of the reset spring 707 is connected with one side of the limiting rod 602, one side of the tooth groove 602 is provided with 708, one side of the tooth groove 602 is distributed on the tooth groove 602, and the tooth groove 706 is meshed with the tooth groove 708 through the tooth groove 706, and the tooth blocks 706 are meshed with the tooth groove 706, and the tooth groove 706 is meshed with the tooth groove 706 707, and the tooth groove 706 is meshed with the tooth groove 706.

In summary, this detachable microwave ablation needle, when in use, firstly according to the structure shown in fig. 1 and fig. 2, be convenient for install ablation needle body 4 on needle handle 1, afterwards, positioning spring 503 can promote cardboard 504, make it and draw-in groove 505 looks block, thereby can be quick to carry out the location to ablation needle body 4, then according to the structure shown in fig. 3, when adjusting gag lever post 602, be convenient for stir shifting block 702, make rotatory plate 701 drive guiding groove 703 rotate, slide bar 704 just can drive the tooth piece 706 synchronous movement at both ends under the effect of guiding groove 703 and spacing groove 705, make it and tooth groove 708 separate, thereby can be quick adjust the position of gag lever post 602, simultaneously through the setting of scale 603, be convenient for improve the precision when adjusting, and after the pine, reset spring 707 can promote tooth piece 706, make it and tooth groove 708 mesh, convenience when improving the location, then, after inserting ablation needle body 4 into skin, be convenient for stir shifting block 702, make rotatory plate 701 drive guiding groove 703 rotate, the slide bar 704 just can be adjusted the position of both ends under the effect of guiding groove 703 and the spacing groove 708, simultaneously, can be convenient for detach with the quick change of the guiding sleeve 502, thereby, when the depth of the rapid change of the map plate is convenient for the map body is convenient for change, when the map plate is convenient for change, and the map plate is convenient for change with the map body is located at the depth of the map plate 502, can be fast to detach with the rapid change, when the map plate is convenient for has the depth of the map plate is convenient to change, and can be used to change.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a detachable microwave ablation needle, includes needle handle (1) and dismouting subassembly (5), its characterized in that, the bottom of needle handle (1) is provided with plug (2), and the lower extreme electric connection of plug (2) has joint (3), the bottom of joint (3) is provided with and melts needle body (4), is used for quick assembly disassembly dismouting subassembly (5) set up in the lower extreme outside of needle handle (1), dismouting subassembly (5) include solid fixed ring (501), guide bar (502), locating spring (503), cardboard (504), draw-in groove (505), uide bushing (506) and baffle ring (507), the lower extreme outside of needle handle (1) is fixed with solid fixed ring (501), and gu fixed ring (501) are fixed with guide bar (502) around, locating spring (503) have been cup jointed in the outside of guide bar (502), and locating spring (503) the tip is fixed with cardboard (504), cardboard (504) are jogged mutually through draw-in groove (505) and top sliding connection's of cardboard (504), gu the outside of needle handle (1) has solid fixed ring (507).

2. The detachable microwave ablation needle according to claim 1, wherein the lower end of the guide sleeve (506) is inclined, the guide sleeve (506) is slidably connected with the needle handle (1), and the slope of the top surface of the clamping plate (504) is the same as the slope of the bottom surface of the guide sleeve (506).

3. The detachable microwave ablation needle according to claim 1, wherein a distance component (6) for distance fixing is arranged on the outer side of the upper end of the middle of the needle handle (1), the distance component (6) comprises a limiting ring (601), a limiting rod (602) and a graduated scale (603), the limiting rod (602) is connected to the inner parts of the left end and the right end of the limiting ring (601) in a sliding mode, and the graduated scale (603) is arranged on the outer side of the limiting rod (602).

4. A detachable microwave ablation needle according to claim 3, wherein the distance assembly (6) further comprises a positioning ring (604) and an anti-slip pad (605), the positioning ring (604) is fixed to the bottom end of the limit rod (602), and the anti-slip pad (605) is arranged on the bottom surface of the positioning ring (604).

5. The detachable microwave ablation needle according to claim 4, wherein an adjusting assembly (7) for adjusting is provided at the upper end of the limit ring (601), the adjusting assembly (7) comprises a rotating plate (701) and a shifting block (702), the top surface of the positioning ring (604) is slidably connected with the rotating plate (701), and one end of the top surface of the rotating plate (701) is fixed with the shifting block (702).

6. The detachable microwave ablation needle according to claim 5, wherein the adjusting assembly (7) further comprises a guide groove (703), a sliding rod (704) and a limiting groove (705), the guide groove (703) is formed in the left and right ends of the top surface of the rotating plate (701), the sliding rod (704) is slidably connected to the inside of the guide groove (703), and the sliding rod (704) is slidably connected to the limiting ring (601) through the limiting groove (705).

7. The detachable microwave ablation needle according to claim 6, wherein the adjusting assembly (7) further comprises a tooth block (706), a return spring (707) and a tooth slot (708), the tooth block (706) is fixed at the bottom end of the sliding rod (704), the tooth block (706) is slidably connected with the limiting ring (601), the return spring (707) is connected to one side of the tooth block (706), and the tooth slot (708) is formed in one side of the limiting rod (602).

8. The detachable microwave ablation needle according to claim 7, wherein the splines (708) are equally spaced about one side of the stop bar (602) and the tooth block (706) is engaged with the stop bar (602) by the splines (708).