CN112754653B - Laparoscope microwave needle - Google Patents

Laparoscope microwave needle Download PDF

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Publication number
CN112754653B
CN112754653B CN202110054306.5A CN202110054306A CN112754653B CN 112754653 B CN112754653 B CN 112754653B CN 202110054306 A CN202110054306 A CN 202110054306A CN 112754653 B CN112754653 B CN 112754653B
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circular tube
microwave
needle
outer circular
wall
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CN202110054306.5A
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CN112754653A (en
Inventor
封益飞
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Jiangsu Province Hospital First Affiliated Hospital With Nanjing Medical University
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Jiangsu Province Hospital
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • A61B2018/1869Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves with an instrument interstitially inserted into the body, e.g. needles

Abstract

The invention discloses a laparoscope microwave needle, which comprises: the main body mechanism comprises an outer circular tube and a needle rod, wherein a connecting piece is arranged on the inner wall of the outer circular tube, the top of the connecting piece is connected with a microwave cable, and the top of the needle rod is arranged at the bottom inside the outer circular tube; the depth adjusting structure comprises an adjusting pipe, the inner wall of the annular groove is provided with an external thread matched with the internal thread of the inner wall of the adjusting pipe, and the adjusting pipe is installed inside the annular groove in a threaded connection mode; the top of the outer circular tube is also provided with a fastening mechanism for fastening and limiting the microwave cable; this peritoneoscope microwave needle can insert patient's affected part according to the exposed length of the needle bar of adjusting, can effectually prevent that the needle bar from male too deeply or too shallowly, fastens the microwave cable through fastening device, and the effectual microwave cable that prevents this peritoneoscope microwave needle when using takes place to break away from with the connecting piece, is favorable to the effect of full play microwave therapy tumour.

Description

Laparoscope microwave needle
Technical Field
The invention relates to the technical field of laparoscopic microwave needles, in particular to a laparoscopic microwave needle.
Background
The principle of microwave treatment of diseases is complex and is achieved by thermal and biological effects. The polar molecules have the same frequency with the microwave frequency and the amplitude is in direct proportion to the microwave intensity. The traditional Chinese medicine can treat cold syndrome and local inflammation through hot compress and acupuncture; the self-heating of human body can achieve the self-immunity function, and the microwave has the characteristic of selective heating. The temperature rise of the tissue with strong microwave absorption capacity is fast, and the temperature rise with weak microwave absorption capacity is slow. The diseased tissue has stronger microwave absorbing capability than the normal tissue and the temperature is raised quickly, thereby achieving the aim of selective treatment.
Traditional peritoneoscope microwave needle lacks limit structure when using, judges the degree of depth of inserting the patient affected part through the subjective consciousness of doctor, has serious hidden danger, and when using, because the microwave cable sways along with peritoneoscope microwave needle, leads to the microwave cable to take place loosely easily, leads to the microwave cable to lose the effect moreover for can't reach the purpose of microwave therapy, for this reason, provide a peritoneoscope microwave needle.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects in the prior art, adapt to the practical needs and provide a laparoscopic microwave needle to solve the problems in the background art.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a laparoscopic microwave needle comprising:
the microwave radiation antenna comprises a main body mechanism, a microwave radiation antenna and a control mechanism, wherein the main body mechanism comprises an outer circular tube and a needle bar, a connecting piece is arranged on the inner wall of the outer circular tube, a microwave cable is connected to the top of the connecting piece, the top of the needle bar is arranged at the bottom of the inner part of the outer circular tube, the top of the needle bar is in contact with the bottom of the connecting piece, and the microwave cable, the connecting piece and the needle bar form the microwave radiation antenna;
the depth adjusting structure comprises an adjusting pipe, the inner wall of the adjusting pipe is provided with internal threads, the bottom of the outer circular pipe is provided with an annular groove, the inner wall of the annular groove is provided with external threads matched with the internal threads of the inner wall of the adjusting pipe, and the adjusting pipe is installed inside the annular groove in a threaded connection manner;
the top of the outer circular tube is also provided with a fastening mechanism for fastening and limiting the microwave cable;
and a handle is also arranged on one side of the top of the outer circular tube.
Further, fastening device includes spacing pipe, insert the bottom of spacing pipe inside the top of outer pipe, the upper end of microwave cable passes the inside of spacing pipe, the middle part outer wall integrated into one piece of spacing pipe has annular connecting plate, annular connecting plate takes the top of outer pipe, annular connecting plate pass through the threaded rod with excircle union coupling, the incision has been seted up at the top of spacing pipe, the incision will two arcs are cut apart into at the top of spacing pipe, two equal solid shaping in both sides has the rectangular block, adjacent two pass through the bolt-up between the rectangular block.
Further, at least two bolts are used for fastening two adjacent rectangular blocks.
Further, rectangular grooves are formed in the tops of the threaded rods.
Furthermore, the outer wall of the top of the needle rod is provided with an external thread, the inner wall of the bottom of the outer circular tube is provided with an internal thread, and the top of the needle rod is installed inside the bottom of the outer circular tube through threaded connection.
Furthermore, the top of needle bar integrated into one piece has the inserted bar, the slot has been seted up to the bottom of connecting piece, the inserted bar inserts the inside of slot.
Furthermore, the left side and the right side of the outer wall of the adjusting pipe are provided with scales.
Further, an annular baffle is integrally formed at the bottom of the adjusting pipe.
Further, one side integrated into one piece of handle has the connection pipe, it is in to connect the pipe through threaded connection suit the top outside of outer pipe.
Furthermore, the top of the outer circular tube is integrally formed with a truncated cone-shaped limiting tube, and the truncated cone-shaped limiting tube is located below the connecting circular tube.
Furthermore, a guide ring is fixed in the tube body, and the traction rope penetrates through the inner cavity of the guide ring.
(3) Has the advantages that:
1. can be according to the exposed length of the needle bar of adjusting, adjust the degree of depth that inserts patient's affected part, can effectually prevent that the needle bar from inserting too deeply or too shallowly, fasten the microwave cable through fastening device, the effectual microwave cable that prevents this peritoneoscope microwave needle takes place to break away from with the connecting piece when using, is favorable to the effect of full play microwave therapy tumour.
2. When the depth of the needle rod inserted into the affected part needs to be reduced, the adjusting pipe is twisted clockwise to move downwards, so that the exposed length of the needle rod is reduced; when the depth of the needle rod inserted into the affected part needs to be increased, the adjusting pipe is twisted anticlockwise to enable the adjusting pipe to move upwards, the exposed length of the needle rod is increased, the needle rod can be inserted into the affected part of a patient according to the adjusted exposed length of the needle rod, and the needle rod can be effectively prevented from being inserted too deeply or too shallowly.
3. The microwave cable is fastened through the fastening mechanism, so that the microwave cable is effectively prevented from being separated from the connecting piece when the laparoscopic microwave needle is used, and the effect of treating tumors by using microwaves is fully exerted.
Drawings
FIG. 1 is a schematic perspective view of a laparoscopic microwave needle according to the present invention;
FIG. 2 is a schematic view illustrating the structure of an adjusting tube of the laparoscopic microwave needle according to the present invention;
FIG. 3 is a schematic structural view of a needle bar of the laparoscopic microwave needle of the present invention;
FIG. 4 is a schematic structural view of a circular tube for limiting the position of the laparoscopic microwave needle according to the present invention;
FIG. 5 is a schematic view illustrating a structure of a threaded rod of the laparoscopic microwave needle according to the present invention;
FIG. 6 is a front sectional view of a laparoscopic microwave needle of the present invention;
FIG. 7 is an enlarged view of portion A of FIG. 6;
fig. 8 is an enlarged view of a portion B in fig. 6.
The reference numbers are as follows:
1. an outer circular tube; 101. an annular groove; 102. a truncated cone-shaped limiting pipe; 11. a connecting member; 111. a slot; 12. a needle bar; 121. a rod is inserted; 13. a microwave cable; 2. an adjusting tube; 21. an annular baffle; 22. calibration; 3. a limiting circular tube; 31. an annular connecting plate; 32. a threaded rod; 321. a rectangular groove; 33. cutting; 34. a rectangular block; 341. a bolt; 4. a handle; 41. and connecting the round pipe.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 8 and examples:
a laparoscopic microwave needle comprising:
the microwave radiation antenna comprises a main body mechanism, wherein the main body mechanism comprises an outer circular tube 1 and a needle rod 12, a connecting piece 11 is installed on the inner wall of the outer circular tube 1, the top of the connecting piece 11 is connected with a microwave cable 13, the top of the needle rod 12 is installed at the bottom of the inner portion of the outer circular tube 1, the top of the needle rod 12 is in contact with the bottom of the connecting piece 11, and the microwave cable 13, the connecting piece 11 and the needle rod 12 form a microwave radiation antenna;
the depth adjusting structure comprises an adjusting pipe 2, the inner wall of the adjusting pipe 2 is provided with internal threads, the bottom of the outer circular pipe 1 is provided with an annular groove 101, the inner wall of the annular groove 101 is provided with external threads matched with the internal threads of the inner wall of the adjusting pipe 2, and the adjusting pipe 2 is installed inside the annular groove 101 in a threaded connection mode;
the top of the outer circular tube 1 is also provided with a fastening mechanism for fastening and limiting the microwave cable 13;
and a handle 4 is also arranged on one side of the top of the outer circular tube 1.
Further, the fastening mechanism comprises a limiting circular tube 3, the bottom of the limiting circular tube 3 is inserted into the top of the outer circular tube 1, the upper end of the microwave cable 13 penetrates through the inside of the limiting circular tube 3, an annular connecting plate 31 is integrally formed on the outer wall of the middle of the limiting circular tube 3, the annular connecting plate 31 is arranged at the top of the outer circular tube 1, the annular connecting plate 31 is connected with the outer circular tube 1 through a threaded rod 32, a notch 33 is formed in the top of the limiting circular tube 3, the notch 33 divides the top of the limiting circular tube 3 into two arc-shaped plates, rectangular blocks 34 are integrally formed on the front side and the rear side of each arc-shaped plate, two adjacent rectangular blocks 34 are fastened through bolts 341, and are fastened through the bolts 341, so that the limiting circular tube 3 clamps the microwave cable 13, and effectively prevents the microwave cable 13 from being separated from the connecting piece 11 when the laparoscopic microwave needle is used, is favorable for fully playing the role of treating the tumor by the microwave.
In this embodiment, two adjacent rectangular blocks 34 are fastened by at least two bolts 341, and the effect of clamping the microwave cable 13 by the limiting circular tube 3 is further improved by the plurality of bolts 341.
In this embodiment, the top of the threaded rod 32 is provided with a rectangular groove 321, and a screwdriver is used to conveniently disassemble and assemble the threaded rod 32 through the rectangular groove 321.
In this embodiment, the external screw thread has been seted up to the top outer wall of needle bar 12, the internal thread has been seted up to the bottom inner wall of outer pipe 1, the top of needle bar 12 is installed through threaded connection inside the bottom of outer pipe 1, through twisting the dismouting that outer pipe 1 made things convenient for outer pipe 1.
In this embodiment, the top of the needle bar 12 is integrally formed with an insertion rod 121, the bottom of the connecting member 11 is provided with a slot 111, the insertion rod 121 is inserted into the slot 111, and the insertion rod 121 is inserted into the slot 111, so that the stability between the needle bar 12 and the connecting member 11 is improved.
In this embodiment, scale 22 has all been seted up to the left and right sides of the outer wall of control tube 2, makes things convenient for the distance of accurate control tube 2 up-and-down motion through scale 22.
In this embodiment, the bottom of the adjusting tube 2 is integrally formed with the annular baffle 21, so that the area of the bottom of the adjusting tube 2 is increased, and the blocking effect of the adjusting tube 2 is improved.
In this embodiment, one side integrated into one piece of handle 4 has a connection pipe 41, connect pipe 41 through the threaded connection cover dress in the top outside of outer pipe 1, make things convenient for the dismouting of handle 4 through twisting handle 4.
In this embodiment, the top of the outer circular tube 1 is integrally formed with a truncated cone-shaped limiting tube 102, the truncated cone-shaped limiting tube 102 is located below the connecting circular tube 41, and the connecting circular tube 41 is blocked by the limiting effect of the truncated cone-shaped limiting tube 102.
The working principle is as follows: the depth of the needle rod 12 inserted into the affected part is firstly set according to the actual requirement:
when the depth of the needle rod 12 inserted into the affected part needs to be reduced, the adjusting tube 2 is twisted clockwise, so that the adjusting tube 2 moves downwards, and the exposed length of the needle rod 12 is reduced;
when the depth of the needle rod 12 inserted into the affected part needs to be increased, the adjusting tube 2 is twisted anticlockwise, so that the adjusting tube 2 moves upwards, and the exposed length of the needle rod 12 is increased;
when in use, the microwave radiation antenna is composed of the microwave cable 13, the connecting piece 11 and the needle rod 12, the handle 4 is held to insert the needle rod 12 into the affected part of the patient to treat the tumor of the patient, when the needle rod 12 is inserted into the affected part of the patient, the needle rod 12 can be inserted into the affected part of the patient according to the adjusted exposed length of the needle rod 12 due to the blocking effect of the adjusting tube 2, and the needle rod 12 can be effectively prevented from being inserted too deeply or too shallowly;
the microwave cable 13 is fastened through the fastening mechanism, so that the microwave cable 13 is effectively prevented from being separated from the connecting piece 11 when the laparoscopic microwave needle is used, and the effect of treating tumors by microwaves is fully exerted.
The invention has the beneficial effects that:
according to the invention, the depth of the needle rod 12 inserted into the affected part of a patient can be adjusted according to the adjusted exposed length of the needle rod 12, so that the needle rod 12 can be effectively prevented from being inserted too deeply or too shallowly, the microwave cable 13 is fastened through the fastening mechanism, the microwave cable 13 is effectively prevented from being separated from the connecting piece 11 when the laparoscope microwave needle is used, and the effect of treating tumors by microwaves can be fully exerted.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.

Claims (4)

1. A laparoscopic microwave needle, comprising:
the microwave radiation antenna comprises a main body mechanism, wherein the main body mechanism comprises an outer circular tube (1) and a needle rod (12), a connecting piece (11) is installed on the inner wall of the outer circular tube (1), the top of the connecting piece (11) is connected with a microwave cable (13), the top of the needle rod (12) is installed at the bottom of the inner portion of the outer circular tube (1), the top of the needle rod (12) is in contact with the bottom of the connecting piece (11), and the microwave cable (13), the connecting piece (11) and the needle rod (12) form a microwave radiation antenna;
the depth adjusting structure comprises an adjusting pipe (2), internal threads are formed in the inner wall of the adjusting pipe (2), an annular groove (101) is formed in the bottom of the outer circular pipe (1), external threads matched with the internal threads of the inner wall of the adjusting pipe (2) are formed in the inner wall of the annular groove (101), and the adjusting pipe (2) is installed inside the annular groove (101) in a threaded connection mode;
the top of the outer circular tube (1) is also provided with a fastening mechanism for fastening and limiting the microwave cable (13);
a handle (4) is further mounted on one side of the top of the outer circular tube (1);
the fastening mechanism comprises a limiting circular tube (3), the bottom of the limiting circular tube (3) is inserted into the top of the outer circular tube (1), the upper end of the microwave cable (13) penetrates through the limiting circular tube (3), an annular connecting plate (31) is integrally formed on the outer wall of the middle of the limiting circular tube (3), the annular connecting plate (31) is arranged at the top of the outer circular tube (1), the annular connecting plate (31) is connected with the outer circular tube (1) through a threaded rod (32), a notch (33) is formed in the top of the limiting circular tube (3), the notch (33) divides the top of the limiting circular tube (3) into two arc-shaped plates, rectangular blocks (34) are integrally formed on the front side and the rear side of each of the two arc-shaped plates, and two adjacent rectangular blocks (34) are fastened through bolts (341);
two adjacent rectangular blocks (34) are fastened by at least two bolts (341);
the top of each threaded rod (32) is provided with a rectangular groove (321);
the outer wall of the top of the needle rod (12) is provided with an external thread, the inner wall of the bottom of the outer circular tube (1) is provided with an internal thread, and the top of the needle rod (12) is installed inside the bottom of the outer circular tube (1) through threaded connection;
scales (22) are arranged on the left side and the right side of the outer wall of the adjusting pipe (2);
an annular baffle (21) is integrally formed at the bottom of the adjusting pipe (2).
2. The laparoscopic microwave needle of claim 1, wherein: the top of needle bar (12) integrated into one piece has inserted bar (121), slot (111) have been seted up to the bottom of connecting piece (11), inserted bar (121) insert the inside of slot (111).
3. The laparoscopic microwave needle of claim 1, wherein: one side integrated into one piece of handle (4) has connection pipe (41), it is in to connect pipe (41) through threaded connection suit the top of outer pipe (1) is outside.
4. The laparoscopic microwave needle of claim 3, wherein: the top of the outer circular tube (1) is integrally formed with a truncated cone-shaped limiting tube (102), and the truncated cone-shaped limiting tube (102) is located below the connecting circular tube (41).
CN202110054306.5A 2021-01-15 2021-01-15 Laparoscope microwave needle Active CN112754653B (en)

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Address after: 300 Guangzhou road, Nanjing, Jiangsu Province 210000

Patentee after: JIANGSU PROVINCE HOSPITAL (THE FIRST HOSPITAL WITH NANJING MEDICAL

Address before: 210029 No. 300, Guangzhou Road, Gulou District, Jiangsu, Nanjing

Patentee before: JIANGSU PROVINCE Hospital