CN110916769A - Improvement type pulmonary nodule puncture pilot pin external member - Google Patents
Improvement type pulmonary nodule puncture pilot pin external member Download PDFInfo
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
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Abstract
The invention discloses an improved pulmonary nodule puncture positioning needle kit, and relates to the technical field of puncture positioning needles. The invention comprises the following steps: the outer puncture needle is connected with the base through a connecting piece, and the inner puncture needle is sleeved in the outer puncture needle; a first channel is arranged on the periphery of the outer puncture needle, and a fifth channel is arranged on the periphery of the inner puncture needle; the periphery of the base part is provided with a fourth channel, the tail part of the positioning guide wire is sleeved with a positioning sleeve, and the positioning sleeve is connected with an adjusting spiral ring through threads. According to the invention, the positioning guide wire is fixed through the positioning sleeve, the positioning guide wire and the puncture inner needle are avoided through the third channel and the fourth channel, the base part is removed, the positioning guide wire is avoided through the first channel, and the puncture positioning needle is drawn out, so that the movement of the positioning guide wire in and after the operation is greatly reduced; the positioning sleeve is made of antibacterial plastic, and dot matrix protrusions are arranged on the inner wall of the second round hole; the laminating limit is loudspeaker form, and the laminating limit adopts silicon rubber to make, and the effective laminating patient skin of position sleeve just reduces allergic risk, improves the comfort level.
Description
Technical Field
The invention belongs to the technical field of puncture positioning needles, and particularly relates to an improved pulmonary nodule puncture positioning needle kit.
Background
Pulmonary nodules are granulomatous diseases with unknown causes, multiple systems and multiple organs, often invade organs such as lung, bilateral pulmonary lymph nodes, eyes and skin, and granulomatous sarcoidosis is seen as the accumulation of skin-like cells on tissue slices. The diagnosis and treatment are mainly carried out through a television thoracoscopic operation in clinic, the operation is a minimally invasive operation, but once pulmonary nodules are far away from pleura or the diameter is too small, accurate positioning is difficult to carry out, so that the difficulty of the operation is increased, and thoracotomy in implementation of a small number of patients is also caused, so that adverse effects are generated on postoperative recovery of the patients.
Puncture location opens up an effective method for the differential diagnosis of pulmonary nodules, generally speaking, if the focus is sheltered from by the rib, can increase the puncture degree of difficulty, and if the location guide wire moves after the puncture, cause the positioning error or need puncture once more, increase the operation degree of difficulty. Now provide an improvement type pulmonary nodule puncture pilot pin external member, the fixed of the location seal wire after the puncture of being convenient for, and reduce and get the influence of needle in-process to the location seal wire.
Disclosure of Invention
The invention aims to provide an improved pulmonary nodule puncture positioning needle kit, which is convenient for fixing a positioning guide wire after puncture by arranging a combined puncture outer needle, a base part, a sealing piece and a puncture inner needle and using a connecting piece, the sealing piece and a positioning sleeve in a matching way, reduces the influence on the positioning guide wire in the process of taking a needle, and solves the problem that the positioning guide wire is easy to shift to influence the operation in the existing puncture operation and after operation.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to an improved pulmonary nodule puncture positioning needle kit, which comprises a puncture outer needle and a positioning guide wire, wherein the end part of the puncture outer needle is connected with a base part of the puncture positioning needle, the base part is of a cylindrical structure internally provided with a first round hole, the positioning guide wire penetrates through the base part to reach the inside of the puncture outer needle, the puncture outer needle is connected with the base part through a connecting piece, and the inside of the puncture outer needle is sleeved with a puncture inner needle; a rectangular first channel is arranged on the peripheral side of the outer puncture needle along the axial direction of the outer puncture needle, and a fifth channel which is matched and corresponding to the first channel is arranged on the peripheral side of the inner puncture needle along the axial direction of the inner puncture needle; a rectangular fourth channel is arranged on the peripheral side of the base part along the axial direction of the base part, an arc-shaped groove is arranged on the peripheral side of the base part along the radial direction of the base part, and the arc-shaped groove and the fourth channel are respectively positioned on the two half side surfaces of the base part; wherein the width of the fourth channel is matched with the diameter of the puncture inner needle; the upper end of the puncture inner needle is fixedly provided with an adjusting rod, the puncture inner needle is rotatably connected with the arc-shaped groove on the base part through the adjusting rod, and the adjusting rod is provided with a positioning convex column which is matched and corresponding to the arc-shaped groove; a sealing piece is embedded in the fourth channel and fixed with the periphery of the base part through a magic tape; the tail part of the positioning guide wire is sleeved with a positioning sleeve; the positioning sleeve is of a circular truncated cone-shaped structure provided with a second round hole, threads are arranged on the periphery of the positioning sleeve, and the positioning sleeve is connected with an adjusting screw ring through the threads; the side of position sleeve has seted up a plurality of side flutings along its axial all around, and the one end of position sleeve is equipped with the blend stop, and the other end is equipped with the laminating limit, through position sleeve fixed location seal wire, avoids location seal wire and puncture inner needle through third channel, fourth channel, demolishs the basal portion, avoids the location seal wire through first channel, takes out the puncture pilot needle, very big reduction in the art and the removal of postoperative location seal wire.
Furthermore, a first cylindrical connecting end provided with an inner hole is fixed at the tail end of the outer puncture needle; the periphery of the first connecting end is provided with external threads, and a second groove channel which is matched and corresponding to the fourth groove channel is arranged along the axial direction of the first connecting end; the first channel penetrates through the outer puncturing needle and the outer wall of the first connecting end and is communicated with a needle hole of the outer puncturing needle; the connecting piece is tubular, the inner wall of the connecting piece is provided with internal threads, and the periphery of the connecting piece is provided with a third channel which is matched and corresponding to the fourth channel; magic tapes are arranged on the periphery of the base part; one end of the base part is provided with a second connecting end matched and corresponding to the first connecting end, and the periphery of the second connecting end is provided with an external thread; the fourth channel runs through the outer walls of the second connecting end and the base part and runs through the first round hole, the connecting mode of the puncture outer needle and the base part is simple, and the puncture outer needle is convenient to detach, install and use.
Furthermore, the arc-shaped groove penetrates through the outer wall of the base part and is communicated with the first round hole, and the arc length of the arc-shaped groove is 0.25-0.5 times of the circumference of the base part; two groups of positioning holes which are respectively matched and corresponding to the positioning convex columns are arranged on the inner wall of the arc-shaped groove; the two groups of positioning holes are respectively positioned at two end parts of the arc-shaped groove, the adjusting rod at the tail part of the puncture inner needle is rectangular by rotating the adjusting rod in the arc-shaped groove, two opposite sides of the adjusting rod are respectively provided with a mounting hole, and a spring is arranged in the mounting hole; the positioning convex column is fixed on the spring, the end part of the positioning convex column is provided with a round angle, the relative positions of the first channel and the fifth channel are adjusted, and the positioning convex column is positioned through the positioning hole to prevent the puncture outer needle and the puncture inner needle from moving relatively.
Further, sealing member position dysmorphism plate, the thickness of sealing member and the width looks adaptation of fourth channel, one side of sealing member is the arc structure with first round hole looks adaptation, another avris of sealing member is the book shape structure with basal portion, second link, connecting piece appearance looks adaptation, and fixed mode is simple, effectively seals the fourth channel, avoids the removal of location seal wire.
Furthermore, the positioning sleeve is made of antibacterial plastic, and dot matrix protrusions are arranged on the inner wall of the second round hole; the bonding edge is horn-shaped and is made of silicon rubber, and the antibacterial plastic comprises the following raw materials in parts by weight: 15-20% of high-pressure polyethylene, 3-4% of silicon dioxide nano silver, 1-3% of butyl rubber, 2-3% of stearic acid, 30-35% of magnesium oxide, 1-2% of antioxidant and 5-7% of carbon-coated iron powder; the silicone rubber comprises the following raw materials in parts by weight: 25-30% of double-end vinyl silicone oil, 1-3% of hydroxyl silicone oil, 2-4% of methyl vinyl MQ silicone resin, 1-2% of silver powder, 1-2% of silane coupling agent, 2-3% of inhibitor and 1-2% of reinforcing agent, effectively fit the skin of a patient, reduce allergy risk and improve comfort.
Further, the use method of the pulmonary nodule puncture positioning needle kit is also included:
SS 00: preparation before use: adjusting the positioning sleeve to enable the positioning guide wire to penetrate into a proper position in the needle and then be fixed through the positioning sleeve, checking whether the first channel and the fifth channel of the outer puncture needle and the inner puncture needle are staggered or not, and inserting and fixing the sealing piece;
SS 01: holding the base part, enabling the puncture positioning needle to enter the lung under the guidance of ultrasonic waves or CT, and determining the puncture depth according to the scale marks on the puncture outer needle;
SS 02: when the needle head of the puncture positioning needle is contacted with the pulmonary nodule, the puncture positioning needle is pushed to puncture the pulmonary nodule, and the positioning guide wire penetrates out and is inserted into the pulmonary nodule;
SS 03: after the puncture operation is finished, the sealing piece is removed, the connecting piece is rotated to separate the base part from the puncture outer needle, the adjusting rod is rotated to enable the adjusting rod and the fourth channel to be in the same direction, the positioning guide wire and the puncture inner needle are avoided through the third channel and the fourth channel, and the base part is removed;
SS 04: rotating the adjusting rod to align the fifth channel with the first channel, lightly folding the positioning guide wire to align to the first channel gap, pressing the positioning guide wire by combining the positioning sleeve, avoiding the positioning guide wire through the first channel, and drawing out the puncture positioning needle;
SS 05: loosening the adjusting screw ring, moving the positioning sleeve along the positioning guide wire to be in contact with the skin of a patient, cutting off redundant positioning guide wire, screwing the adjusting screw ring to enable the positioning sleeve to clamp the positioning guide wire, and fixing the positioning sleeve through application and a transparent film.
The invention has the following beneficial effects:
according to the invention, the positioning guide wire is fixed through the positioning sleeve, the positioning guide wire and the puncture inner needle are avoided through the third channel and the fourth channel, the base part is removed, the positioning guide wire is avoided through the first channel, and the puncture positioning needle is drawn out, so that the movement of the positioning guide wire in and after the operation is greatly reduced;
the positioning sleeve is made of antibacterial plastic, and dot matrix protrusions are arranged on the inner wall of the second round hole; the laminating limit is loudspeaker form, and the laminating limit adopts silicon rubber to make, and the effective laminating patient skin of position sleeve just reduces allergic risk, improves the comfort level.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an improved pulmonary nodule puncturing and positioning needle set of the present invention;
FIG. 2 is a partial schematic structural view of the improved pulmonary nodule puncturing and positioning needle set of the present invention;
FIG. 3 is a partial schematic view of the improved pulmonary nodule puncturing and positioning needle set of the present invention;
FIG. 4 is a schematic structural view of the improved pulmonary nodule puncturing and positioning needle set of the present invention;
FIG. 5 is a partial schematic view of the improved pulmonary nodule puncturing and positioning needle set of the present invention;
FIG. 6 is a partial schematic view of the improved pulmonary nodule puncturing and positioning needle set of the present invention;
FIG. 7 is a partial schematic view of the improved pulmonary nodule puncturing and positioning needle set of the present invention;
FIG. 8 is a partial schematic view of the improved pulmonary nodule puncturing and positioning needle set of the present invention;
FIG. 9 is a schematic view of the structure at A in FIG. 8;
FIG. 10 is a schematic view of the outer piercing needle of the present invention;
FIG. 11 is a schematic view of the structure at B in FIG. 10;
FIG. 12 is a schematic view of the structure of the inner piercing needle of the present invention;
FIG. 13 is a schematic view of the structure at C in FIG. 12;
FIG. 14 is a schematic view of the structure of the base part of the present invention;
FIG. 15 is a schematic view of the structure of the base part of the present invention;
FIG. 16 is a schematic view of a positioning guidewire according to the present invention;
FIG. 17 is a schematic view of the structure of the connector of the present invention;
FIG. 18 is a schematic view of the structure of the positioning sleeve of the present invention;
FIG. 19 is a schematic view of the structure of the positioning sleeve of the present invention;
FIG. 20 is a schematic view of the construction of the closure of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-puncture outer needle, 2-connecting piece, 3-base part, 4-sealing piece, 5-positioning guide wire, 6-magic tape, 7-positioning sleeve, 8-puncture inner needle, 101-first connecting end, 102-first channel, 103-second channel, 201-third channel, 301-second connecting end, 302-arc groove, 303-fourth channel, 304-first round hole, 305-positioning hole, 701-barrier strip, 702-adjusting spiral ring, 703-side groove, 704-second round hole, 705-attaching edge, 801-fifth channel, 802-adjusting rod and 803-positioning convex column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "periphery," "side," "end," "bottom," "tail," and the like are used in an orientation or positional relationship indicated for convenience in describing the invention and to simplify description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the invention.
Referring to fig. 1-20, the invention is an improved pulmonary nodule puncture positioning needle kit, including a puncture outer needle 1 and a positioning guide wire 5, wherein the end of the puncture outer needle 1 is connected with a base 3 of the puncture positioning needle, the base 3 is a cylindrical structure with a first round hole 304 arranged therein, the positioning guide wire 5 passes through the base 3 to reach the inside of the puncture outer needle 1, the puncture outer needle 1 is connected with the base 3 through a connecting piece 2, and a puncture inner needle 8 is sleeved inside the puncture outer needle 1; a rectangular first channel 102 is arranged along the axial direction of the peripheral side of the puncture outer needle 1, and a fifth channel 801 corresponding to the first channel 102 is arranged along the axial direction of the peripheral side of the puncture inner needle 8; a rectangular fourth channel 303 is arranged along the axial direction of the peripheral side of the base part 3, an arc-shaped groove 302 is arranged along the radial direction of the peripheral side of the base part 3, and the arc-shaped groove 302 and the fourth channel 303 are respectively positioned on two half side surfaces of the base part 3; wherein the width of the fourth channel 303 is matched with the diameter of the puncture inner needle 8; an adjusting rod 802 is fixedly installed at the upper end of the inner puncture needle 8, the inner puncture needle 8 is rotatably connected with the arc-shaped groove 302 on the base 3 through the adjusting rod 802, and a positioning convex column 803 corresponding to the arc-shaped groove 302 is arranged on the adjusting rod 802; a sealing piece 4 is embedded in the fourth channel 303, and the sealing piece 4 is fixed with the periphery of the base part 3 through a magic tape 6; the tail part of the positioning guide wire 5 is sleeved with a positioning sleeve 7; the positioning sleeve 7 is a circular truncated cone-shaped structure provided with a second round hole 704, threads are arranged on the periphery of the positioning sleeve, and the positioning sleeve 7 is connected with an adjusting screw ring 702 through the threads; a plurality of side slots 703 are formed in the circumferential side of the positioning sleeve 7 along the axial direction of the positioning sleeve, a barrier strip 701 is arranged at one end of the positioning sleeve 7, a fitting edge 705 is arranged at the other end of the positioning sleeve 7, the positioning guide wire 5 is fixed and positioned through the positioning sleeve 7, the positioning guide wire 5 and the puncture inner needle 8 are avoided through the third channel 201 and the fourth channel 303, the base 3 is removed, the positioning guide wire 5 is avoided through the first channel 102, the puncture positioning needle is drawn out, and the movement of the positioning guide wire 5 in the operation and after the operation is greatly reduced.
As shown in fig. 10-11, a first connecting end 101 with a column shape and an inner hole is fixed at the tail end of the outer puncture needle 1; the peripheral side of the first connecting end 101 is provided with external threads, and a second groove channel 103 which is matched and corresponding to the fourth groove channel 303 is arranged along the axial direction of the first connecting end; the first channel 102 penetrates through the outer wall of the outer puncture needle 1 and the outer wall of the first connecting end 101 and is communicated with a needle hole of the outer puncture needle 1. As shown in fig. 17, the connecting member 2 is tubular, and the inner wall of the connecting member 2 is provided with internal threads, and a third groove 201 corresponding to the fourth groove 303 is formed on the periphery of the connecting member 2. As shown in fig. 1-8, a magic tape 6 is arranged on the periphery of the base 3; one end of the base part 3 is provided with a second connecting end 301 which is matched and corresponding to the first connecting end 101, and the periphery of the second connecting end 301 is provided with external threads; the fourth channel 303 penetrates through the outer walls of the second connecting end 301 and the base 3 and is communicated with the first round hole 304, and the puncture outer needle 1 and the base 3 are simple in connection mode, convenient to detach and install and convenient to use.
The arc-shaped groove 302 penetrates through the outer wall of the base part 3 and is communicated with the first round hole 304, and the arc length of the arc-shaped groove 302 is 0.25-0.5 times of the circumference of the base part 3; two groups of positioning holes 305 which are matched and corresponding to the positioning convex columns 803 are arranged on the inner wall of the arc-shaped groove 302; the two groups of positioning holes 305 are respectively positioned at two end parts of the arc-shaped groove 302, the adjusting rod 802 at the tail part of the puncture inner needle 8 is rectangular by rotating the adjusting rod 802 in the arc-shaped groove 302, two opposite sides of the adjusting rod 802 are respectively provided with a mounting hole, and a spring is arranged in the mounting hole; the positioning convex column 803 is fixed on the spring, and the end of the positioning convex column 803 is provided with a round angle, so that the relative positions of the first channel 102 and the fifth channel 801 are adjusted, and the positioning convex column 803 is positioned through the positioning hole 305, thereby preventing the puncture outer needle 1 and the puncture inner needle 8 from moving relatively.
Wherein, 4 special-shaped plate pieces on sealing member, the width looks adaptations of thickness and fourth channel 303 of sealing member 4, a avris of sealing member 4 is the arc structure with first round hole 304 looks adaptation, another avris of sealing member 4 is the book shape structure with basal portion 3, second link 301, 2 appearance looks adaptations of connecting piece, and fixed mode is simple, and effective involution fourth channel 303 avoids the removal of location seal wire 5.
Wherein, the positioning sleeve 7 is made of antibacterial plastic, and the inner wall of the second round hole 704 is provided with dot matrix protrusions; the attaching edge 705 is horn-shaped, the attaching edge 705 is made of silicon rubber, and the antibacterial plastic comprises the following raw materials in parts by weight: 15-20% of high-pressure polyethylene, 3-4% of silicon dioxide nano silver, 1-3% of butyl rubber, 2-3% of stearic acid, 30-35% of magnesium oxide, 1-2% of antioxidant and 5-7% of carbon-coated iron powder; the silicone rubber comprises the following raw materials in parts by weight: 25-30% of double-end vinyl silicone oil, 1-3% of hydroxyl silicone oil, 2-4% of methyl vinyl MQ silicone resin, 1-2% of silver powder, 1-2% of silane coupling agent, 2-3% of inhibitor and 1-2% of reinforcing agent, effectively fit the skin of a patient, reduce allergy risk and improve comfort.
The application method of the pulmonary nodule puncture positioning needle kit comprises the following steps:
SS 00: preparation before use: adjusting the positioning sleeve 7 to enable the positioning guide wire 5 to penetrate into a proper position in the needle and then to be fixed through the positioning sleeve 7, checking whether the first channel 102 and the fifth channel 801 of the puncture outer needle 1 and the puncture inner needle 8 are staggered, and inserting and fixing the sealing piece 4;
SS 01: holding the base part 3, leading the puncture positioning needle to enter the lung under the guidance of ultrasonic waves or CT, and determining the puncture depth according to the scale marks on the puncture outer needle 1;
SS 02: when the needle head of the puncture positioning needle is contacted with the pulmonary nodule, the puncture positioning needle is pushed to puncture the pulmonary nodule, and the positioning guide wire 5 penetrates out and is inserted into the pulmonary nodule;
SS 03: after the puncturing operation is finished, the sealing piece 4 is removed, the base part 3 is separated from the puncturing outer needle 1 by rotating the connecting piece 2, the adjusting rod 802 is rotated to enable the adjusting rod 802 and the fourth channel 303 to be in the same direction, the positioning guide wire 5 and the puncturing inner needle 8 are avoided through the third channel 201 and the fourth channel 303, and the base part 3 is removed;
SS 04: rotating the adjusting rod 802 to align the fifth channel 801 with the first channel 102, lightly folding the positioning guide wire 5 to align with the gap of the first channel 102, pressing the positioning guide wire 5 by combining with the positioning sleeve 7, avoiding the positioning guide wire 5 through the first channel 102, and drawing out the puncture positioning needle;
SS 05: loosening the adjusting screw ring 702, moving the positioning sleeve 7 along the positioning guide wire 5 to be in contact with the skin of a patient, cutting off redundant positioning guide wire 5, screwing the adjusting screw ring 702 to enable the positioning sleeve 7 to clamp the positioning guide wire 5 tightly, fixing the positioning sleeve 7 through application and a transparent film, specifically referring to the fixing mode of a remaining needle, completely sealing the positioning sleeve 7 by the transparent film, fixing the transparent film in a tension-free, vertical or transverse plastic mode, and indicating puncture date, puncture time and puncture signature by the application, wherein the application is pasted on a white isolating film.
The utility model provides an improvement type tubercle puncture pilot pin external member of lung, through position sleeve 7 fixed positioning seal wire 5, avoids location seal wire 5 and puncture interior needle 8 through third channel 201, fourth channel 303, demolishs basal portion 3, avoids location seal wire 5 through first channel 102, takes out the puncture pilot pin, very big reduction in the art and the removal of postoperative location seal wire 5.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides an improvement type pulmonary nodule puncture pilot pin external member, includes puncture outer needle (1), location seal wire (5), the end connection of puncture outer needle (1) has base (3) of a puncture pilot pin, the cylindricality structure of first round hole (304) is established for interior in base (3), inside location seal wire (5) passed base (3) and reachd outer needle (1) of puncture, its characterized in that:
the outer puncture needle (1) is connected with the base (3) through a connecting piece (2), and a puncture inner needle (8) is sleeved in the outer puncture needle (1);
a rectangular first channel (102) is arranged on the peripheral side of the outer puncture needle (1) along the axial direction of the outer puncture needle, and a fifth channel (801) which is matched and corresponds to the first channel (102) is arranged on the peripheral side of the inner puncture needle (8) along the axial direction of the inner puncture needle;
a rectangular fourth channel (303) is arranged on the peripheral side of the base part (3) along the axial direction of the base part, an arc-shaped groove (302) is arranged on the peripheral side of the base part (3) along the radial direction of the base part, and the arc-shaped groove (302) and the fourth channel (303) are respectively positioned on two half side surfaces of the base part (3);
wherein the width of the fourth channel (303) is matched with the diameter of the puncture inner needle (8);
an adjusting rod (802) is fixedly installed at the upper end of the inner puncture needle (8), the inner puncture needle (8) is rotatably connected with the arc-shaped groove (302) on the base part (3) through the adjusting rod (802), and a positioning convex column (803) which is matched with and corresponds to the arc-shaped groove (302) is arranged on the adjusting rod (802);
a sealing piece (4) is embedded in the fourth channel (303), and the sealing piece (4) is fixed with the periphery of the base (3) through a magic tape (6);
the tail part of the positioning guide wire (5) is sleeved with a positioning sleeve (7); the positioning sleeve (7) is of a circular truncated cone-shaped structure provided with a second round hole (704), threads are arranged on the periphery of the positioning sleeve, and the positioning sleeve (7) is connected with an adjusting screw ring (702) through the threads;
a plurality of side slots (703) are formed in the circumferential side of the positioning sleeve (7) along the axial direction of the positioning sleeve, one end of the positioning sleeve (7) is provided with a barrier strip (701), and the other end of the positioning sleeve is provided with a joint edge (705).
2. The improved pulmonary nodule puncturing and positioning needle set of claim 1, wherein:
a first cylindrical connecting end (101) with an inner hole is fixed at the tail end of the outer puncture needle (1); the periphery of the first connecting end (101) is provided with external threads, and a second channel (103) which is matched and corresponding to the fourth channel (303) is arranged along the axial direction of the first connecting end;
the first channel (102) penetrates through the outer walls of the outer puncture needle (1) and the first connecting end (101) and is communicated with a needle hole of the outer puncture needle (1).
3. The improved pulmonary nodule puncturing and positioning needle set as claimed in claim 1, wherein the connecting member (2) is tubular, the inner wall of the connecting member (2) is provided with internal threads, and the periphery of the connecting member (2) is provided with a third groove channel (201) corresponding to the fourth groove channel (303).
4. The improved pulmonary nodule puncturing and positioning needle set of claim 1, wherein:
magic tapes (6) are arranged on the periphery of the base (3); one end of the base part (3) is provided with a second connecting end (301) matched and corresponding to the first connecting end (101), and the periphery of the second connecting end (301) is provided with an external thread;
the fourth channel (303) penetrates through the second connecting end (301) and the outer wall of the base (3) and is communicated with the first round hole (304).
5. The improved pulmonary nodule puncturing and positioning needle set of claim 1, wherein:
the arc-shaped groove (302) penetrates through the outer wall of the base part (3) and is communicated with the first round hole (304), and the arc length of the arc-shaped groove (302) is 0.25-0.5 times of the circumference of the base part (3);
two groups of positioning holes (305) which are respectively matched and corresponding to the positioning convex columns (803) are arranged on the inner wall of the arc-shaped groove (302);
the two groups of positioning holes (305) are respectively positioned at two end parts of the arc-shaped groove (302).
6. An improved pulmonary nodule puncturing and positioning needle set as claimed in claim 1, wherein the sealing member (4) is a special-shaped plate, the thickness of the sealing member (4) is adapted to the width of the fourth channel (303), one side of the sealing member (4) is an arc structure adapted to the first circular hole (304), and the other side of the sealing member (4) is a folded structure adapted to the shape of the base (3), the second connecting end (301) and the connecting member (2).
7. The improved pulmonary nodule puncturing and positioning needle set of claim 1, wherein:
the adjusting rod (802) at the tail part of the puncture inner needle (8) is rectangular, two opposite sides of the adjusting rod (802) are respectively provided with a mounting hole, and a spring is arranged in the mounting hole;
the positioning convex column (803) is fixed on the spring, and the end part of the positioning convex column (803) is provided with a round angle.
8. The improved pulmonary nodule puncturing and positioning needle set as claimed in claim 1, wherein the positioning sleeve (7) is made of antibacterial plastic, and dot matrix protrusions are arranged on the inner wall of the second round hole (704); the attaching edge (705) is horn-shaped, and the attaching edge (705) is made of silicon rubber.
9. The improved pulmonary nodule puncturing and positioning needle set of claim 8, wherein:
the antibacterial plastic comprises the following raw materials in parts by weight: 15-20% of high-pressure polyethylene, 3-4% of silicon dioxide nano silver, 1-3% of butyl rubber, 2-3% of stearic acid, 30-35% of magnesium oxide, 1-2% of antioxidant and 5-7% of carbon-coated iron powder;
the silicone rubber comprises the following raw materials in parts by weight: 25-30% of double-end vinyl silicone oil, 1-3% of hydroxyl silicone oil, 2-4% of methyl vinyl MQ silicone resin, 1-2% of silver powder, 1-2% of a silane coupling agent, 2-3% of an inhibitor and 1-2% of a reinforcing agent.
10. The improved pulmonary nodule puncturing and positioning needle set as claimed in claim 1, further comprising a method of using the pulmonary nodule puncturing and positioning needle set:
SS 00: preparation before use: adjusting the positioning sleeve (7) to enable the positioning guide wire (5) to penetrate into the needle at a proper position and then to be fixed through the positioning sleeve (7), checking whether the first channel (102) and the fifth channel (801) of the outer puncture needle (1) and the inner puncture needle (8) are staggered, and inserting and fixing the sealing piece (4);
SS 01: holding the base (3), leading the puncture positioning needle to enter the lung under the guidance of ultrasonic waves or CT, and determining the puncture depth according to the scale marks on the puncture outer needle (1);
SS 02: when the needle head of the puncture positioning needle is contacted with the pulmonary nodule, the puncture positioning needle is pushed to puncture the pulmonary nodule, and the positioning guide wire (5) penetrates out and is inserted into the pulmonary nodule;
SS 03: after the puncture operation is finished, the sealing piece (4) is detached, the connecting piece (2) is rotated to enable the base part (3) to be separated from the puncture outer needle (1), the adjusting rod (802) is rotated to enable the adjusting rod (802) and the fourth channel (303) to be in the same direction, the positioning guide wire (5) and the puncture inner needle (8) are avoided through the third channel (201) and the fourth channel (303), and the base part (3) is detached;
SS 04: rotating the adjusting rod (802) to align the fifth channel (801) with the first channel (102), lightly folding the positioning guide wire (5) to align with a gap of the first channel (102), pressing the positioning guide wire (5) by combining with the positioning sleeve (7), avoiding the positioning guide wire (5) through the first channel (102), and drawing out the puncture positioning needle;
SS 05: loosening the adjusting screw ring (702), moving the positioning sleeve (7) along the positioning guide wire (5) to be in contact with the skin of a patient, cutting off redundant positioning guide wire (5), screwing the adjusting screw ring (702) to enable the positioning sleeve (7) to clamp the positioning guide wire (5), and fixing the positioning sleeve (7) through application and transparent film pasting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911229950.0A CN110916769B (en) | 2019-12-04 | 2019-12-04 | Improvement type pulmonary nodule puncture pilot pin external member |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911229950.0A CN110916769B (en) | 2019-12-04 | 2019-12-04 | Improvement type pulmonary nodule puncture pilot pin external member |
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| CN110916769B CN110916769B (en) | 2020-12-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113729876A (en) * | 2020-05-28 | 2021-12-03 | 上海倍可达医疗科技有限公司 | Puncture positioning needle structure |
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| CN110916769B (en) | 2020-12-01 |
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