CN113144410A - Radioactive particle taking-out device - Google Patents
Radioactive particle taking-out device Download PDFInfo
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- CN113144410A CN113144410A CN202110630229.3A CN202110630229A CN113144410A CN 113144410 A CN113144410 A CN 113144410A CN 202110630229 A CN202110630229 A CN 202110630229A CN 113144410 A CN113144410 A CN 113144410A
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- particle cover
- needle
- particle
- push
- sliding
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
- A61N2005/1092—Details
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a radioactive particle taking-out device, which relates to the technical field of medical treatment, wherein a puncture needle is provided with two T-shaped grooves, a sliding ball and a sliding rod which are fixedly connected to a particle cover can slide in the two T-shaped grooves, the particle cover is sleeved with a pin of a push-pull rod through a connecting block, the push-pull rod can drive the particle cover to linearly slide in a needle hole, the sliding ball is limited by the T-shaped grooves after the particle cover is pushed to be close to a needle point and cannot move outwards of the needle hole, the particle cover does not slide any more, the particle cover does unfolding motion towards two sides under the action of thrust, the particles can be quickly recovered through unfolding motion, the cleaning of the interior of the particle cover is facilitated, the treatment cleanliness is favorably improved, scales are marked on the puncture needle, and more visual data information can be provided for an operator. The particle cover does the closing action after the pulling and then presss from both sides and get and wrap up the particle, slides and retracts in the pinhole completely to the pinhole along the needle inner wall, avoids the infringement of normal tissue of the in-process of taking out the particle, and the security of operation obtains the guarantee.
Description
Technical Field
The invention relates to a radioactive particle taking-out device, belongs to the field of medical instruments, and is particularly suitable for radioactive particle implantation treatment operations.
Background
The radioactive particle implantation treatment technology is a therapeutic method for implanting radioactive source into the interior of tumor so as to destroy tumor. The seed implantation treatment technology relates to a radioactive source, and the core of the seed implantation treatment technology is a radioactive seed. A substance called iodine 125 is used clinically. Each iodine 125 particle acts like a small sun with the strongest rays near its center, minimizing damage to normal tissues. The radioactive particle implantation treatment is an effective treatment method, the particle implantation requires a strict implantation plan, the internal dose distribution of the tumor is uniform, the peripheral dose is accurate and sufficient, and the damage to surrounding normal tissues is reduced. Therefore, there is a strong clinical need for a device for extracting radioactive seeds with a serious deviation of implantation position, and many seed implantation devices exist on the market at present, but there is no device for extracting the seeds.
Disclosure of Invention
The present invention has been made in view of the above problems, and an object of the present invention is to provide a radioactive particle extraction apparatus which can effectively solve the problems in the related art. The invention realizes the aim through the following technical scheme:
a radioactive particle taking-out device comprises a puncture needle, an ear-shaped needle handle, a push-pull rod, a push-pull ring, a connecting block, a nut, a particle cover, a slide rod and a slide bead;
the puncture needle is provided with a cylindrical inner hole, and the inner hole wall of the near needle tip of the puncture needle is respectively provided with two T-shaped grooves by taking the axis of the puncture needle as a symmetry axis;
the ear-shaped needle handle consists of an ear-shaped needle handle A and an ear-shaped needle handle B, and the ear-shaped needle handle A and the ear-shaped needle handle B are fixedly connected with the far needle tip of the puncture needle in an axisymmetric manner by taking the puncture needle axis as an axis;
the push-pull rod is coaxially connected with the puncture needle in a sliding manner, the push-pull rod coaxially slides in the puncture needle, the tip end of the push-pull rod close to the puncture needle is in a pin shape, and the cancellation axis is vertical to the axis of the push-pull rod;
the push-pull ring is fixedly connected to the far needle point end of the push-pull rod by taking the axis of the push-pull rod as a central line;
the connecting block is composed of a connecting block A and a connecting block B, the connecting block A and the connecting block B are the same in shape and are of a rectangular shape without an angle, the center positions of the connecting block A and the connecting block B are provided with round holes, and the connecting block A and the connecting block B are symmetrically sleeved on the logout part of the push-pull rod by taking the axis of the push-pull rod as a symmetry axis;
the particle cover comprises a particle cover A and a particle cover B, the particle cover A and the particle cover B are both in a half capsule shape, the particle cover A and the particle cover B are in a capsule shape after being closed, the inner walls of the particle cover A and the particle cover B are opposite, the bottom end of the particle cover A is fixedly connected with the connecting block A and fixed by using a nut, and the bottom end of the particle cover B is fixedly connected with the connecting block B and fixed by using a nut;
the sliding rod is composed of a sliding rod A and a sliding rod B, the sliding rod A and the sliding rod B are both cylinders, the bottom end of the sliding rod A is fixedly connected with the center position of the spherical surface of 1/4 at the bottom end of the particle cover A, the sliding rod A points to the spherical center of the spherical surface of 1/4 at the bottom end of the particle cover A, the bottom end of the sliding rod B is fixedly connected with the center position of the spherical surface of 1/4 at the bottom end of the particle cover B, and the sliding rod B points to the spherical center of the spherical surface of 1/4 at the bottom end of the particle cover B;
the sliding ball is composed of a sliding ball A and a sliding ball B, the sliding ball A and the sliding ball B are both spheres, the center of the sliding ball A coincides with the extension line of the axis of the sliding rod A and is fixedly connected to the top end of the sliding rod A, the center of the sliding ball B coincides with the extension line of the axis of the sliding rod B and is fixedly connected to the top end of the sliding rod B, and the sliding ball A and the sliding ball B are respectively in sliding connection with the two T-shaped grooves in the inner wall of the puncture needle.
The invention has the beneficial effects that:
1. the far needle end of the puncture needle is marked with scales, so that more visual data information can be provided for an operator.
2. The particle cover is arranged on the inner wall of the puncture needle, the particle cover is arranged on the particle cover, and the particle cover is arranged on the particle cover.
3. The sliding beads on the particle cover are fixed in the T-shaped sliding grooves in the inner wall of the puncture needle to slide, the push-pull rod slides on the inner wall of the puncture needle in a linear mode, the particle cover can be opened or closed, a doctor can conveniently clamp and take the particles, the particles can be conveniently taken out of the particle cover after being taken out of a body, meanwhile, the particle cover is opened to conveniently clean the inner wall of the particle cover, the cleanliness of treatment is favorably improved, and therefore certain guarantee is provided for treatment of a patient.
4. The particle cover can be completely retracted into the puncture needle under the driving of the push-pull rod, so that the particles are prevented from directly contacting tissues at other positions in the taking-out process, the particles are prevented from invading other normal tissues in the taking-out process, and the safety of the operation is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is an exploded view of the proximal end of the push-pull rod
FIG. 3 is a cross-sectional view of the puncture needle
FIG. 4 is an exploded view of a particle shield structure
In the figure: 1-puncture needle; 2-ear-shaped needle handle A; 3-ear-shaped needle handle B; 4-a push-pull rod; 5-pulling the ring; 6-connecting block A; 7-connecting block B; 8-a nut; 9-particle cage a; 10-particle shield B; 11-slide bar A; 12-slide bar B; 13-sliding bead a; 14-sliding bead B.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those embodiments can be easily implemented by those having ordinary skill in the art to which the present invention pertains. However, the present invention may be embodied in many different forms and is not limited to the embodiments described below. In addition, in order to more clearly describe the present invention, components not connected to the present invention will be omitted from the drawings.
As shown in fig. 1 and fig. 2, the specific embodiment of the present invention adopts the following technical solutions: the utility model provides a radioactive particle remove device, it contains pjncture needle (1), auriculate needle handle A (2), auriculate needle handle B (3), push-and-pull rod (4), push-and-pull ring (5), connecting block A (6), connecting block B (7), nut (8), particle cover A (9), particle cover B (10), slide bar A (11), slide bar B (12), slide bead A (13), slide bead B (14), its characterized in that: the puncture needle (1) is provided with a cylindrical inner hole, and the inner hole wall of the near needle tip of the puncture needle (1) is provided with two T-shaped grooves respectively by taking the axis of the puncture needle (1) as a symmetry axis;
the ear-shaped needle handle consists of an ear-shaped needle handle A (2) and an ear-shaped needle handle B (3), and the ear-shaped needle handle A (2) and the ear-shaped needle handle B (3) are fixedly connected with the far needle tip of the puncture needle (1) in an axisymmetric manner by taking the axis of the puncture needle (1) as an axis;
the push-pull rod (4) is coaxially and slidably connected with the puncture needle (1), the push-pull rod (4) coaxially slides in the puncture needle (1), the tip of the push-pull rod (4) close to the needle is in a pin shape, and the cancellation axis is vertical to the axis of the push-pull rod (4);
the push-pull ring (5) is fixedly connected to the far needle point end of the push-pull rod (4) by taking the axis of the push-pull rod (4) as a central line;
the connecting block is composed of a connecting block A (6) and a connecting block B (7), the connecting block A (6) and the connecting block B (7) are the same in shape and are of a rectangular shape without an angle, round holes are formed in the center positions of the connecting block A (6) and the connecting block B (7), and the connecting block A (6) and the connecting block B (7) are symmetrically sleeved on the logout part of the push-pull rod (4) by taking the axis of the push-pull rod (4) as a symmetric axis;
the particle cover comprises a particle cover A (9) and a particle cover B (10), wherein the particle cover A (9) and the particle cover B (10) are both in a half capsule shape, the particle cover A (9) and the particle cover B (10) are in a capsule shape after being closed, the inner walls of the particle cover A (9) and the particle cover B (10) are opposite, the bottom end of the particle cover A (9) is fixedly connected with a connecting block A (6) and fixed by using a nut (8), and the bottom end of the particle cover B (10) is fixedly connected with a connecting block B (7) and fixed by using a nut (8);
the sliding rod consists of a sliding rod A (11) and a sliding rod B (12), the sliding rod A (11) and the sliding rod B (12) are both cylinders, the bottom end of the sliding rod A (11) is fixedly connected with the center position of the spherical surface of 1/4 at the bottom end of the particle cover A (9), the sliding rod A (11) points to the spherical center of the spherical surface of 1/4 at the bottom end of the particle cover A (9), the bottom end of the sliding rod B (12) is fixedly connected with the center position of the spherical surface of 1/4 at the bottom end of the particle cover B (10), and the sliding rod B (12) points to the spherical center of the spherical surface of 1/4 at the bottom end of the particle cover B (10);
the sliding ball is composed of a sliding ball A (13) and a sliding ball B (14), the sliding ball A (13) and the sliding ball B (14) are both spheres, the center of the sliding ball A (13) coincides with the extension line of the axis of the sliding rod A (11) and is fixedly connected to the top end of the sliding rod A (11), the center of the sliding ball B (14) coincides with the extension line of the axis of the sliding rod B (12) and is fixedly connected to the top end of the sliding rod B (12), and the sliding ball A (13) and the sliding ball B (14) are respectively in sliding connection with the two T-shaped grooves in the inner wall of the puncture needle (1).
Furthermore, two T-shaped grooves are respectively formed in the inner hole wall of the near needle tip of the puncture needle (1) by taking the axis of the puncture needle (1) as a symmetry axis, a sliding bead A (13) and a sliding rod A (11) which are fixedly connected to a particle cover A (9) and a sliding bead B (14) and a sliding rod B (12) which are fixedly connected to a particle cover B (10) are respectively in sliding connection with the two T-shaped grooves in the inner wall of the puncture needle (1), the bottom ends of the particle cover A (9) and the particle cover B (10) are respectively sleeved with a pin of the near needle tip of the push-pull rod (4) through a connecting block A (6) and a connecting block B (7), the relative position of the push-pull rod (4) in the puncture needle (1) can be changed by pulling or pushing a push-pull ring (5) which is fixedly connected to the push-pull rod (4), so as to drive the particle cover A (9) and the particle cover B (10) to linearly slide in the hole of the puncture needle (1) and further change the relative position of the particle cover and the puncture needle (1), after the tissue is accurately punctured, the needle point of the puncture needle (1) reaches the position of a particle accessory to be taken out, when the particle cover is pushed to the position close to the needle point, the sliding ball cannot move outwards due to the limitation of two T-shaped grooves on the inner wall of the puncture needle (1), the part of the particle cover exposed out of the needle point does not linearly slide any more, the particle cover A (9) and the particle cover B (10) do unfolding motion along the circle to two sides by taking the midpoint on the logout axis on the near needle end of the push-pull rod (4) as the circle center and the distance from the top end of the particle cover to the circle center as the radius under the thrust action of the push-pull ring (5) so as to prepare for clamping particles, after the particles are taken out, the particles can be quickly recovered through the unfolding motion of the particle cover, the cleaning of the interior of the particle cover is convenient, the cleaning of the particle cover is beneficial to improve the cleanliness of treatment, and a certain guarantee is provided for the treatment of a patient, in addition, scales are marked on the puncture needle (1), and more visual data information can be provided for an operator.
Further, the particle cover A (9) and the particle cover B (10) perform closing motion from two sides to the middle along a circle by taking the middle point on a logout axis on the near needle end of the push-pull rod (4) as a circle center and the distance from the top end of the particle cover to the circle center as a radius under the pulling of the push-pull rod (4) so as to clamp and wrap particles, the particles slide towards the hole of the puncture needle (1) along the inner wall of the puncture needle (1) under the pulling of the push-pull rod (4), and the particle cover can be completely retracted into the puncture needle (1) under the driving of the push-pull rod (4), so that the particles are prevented from directly contacting tissues at other positions in the taking-out process, the damage of the particles to other normal tissues in the taking-out process is avoided, and the safety of the operation is guaranteed.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A radioactive particle extraction apparatus, comprising: pjncture needle (1), auriculate needle handle A (2), auriculate needle handle B (3), push-and-pull rod (4), push-and-pull ring (5), connecting block A (6), connecting block B (7), nut (8), particle cover A (9), particle cover B (10) (10), slide bar A (11), slide bar B (12), smooth pearl A (13), smooth pearl B (14), its characterized in that: the puncture needle is characterized in that a cylindrical inner hole is formed in the puncture needle (1), two T-shaped grooves are formed in the inner hole wall of a near needle tip of the puncture needle (1) by taking the axis of the puncture needle (1) as a symmetric axis respectively, an ear-shaped needle handle is composed of an ear-shaped needle handle A (2) and an ear-shaped needle handle B (3), the ear-shaped needle handle A (2) and the ear-shaped needle handle B (3) are fixedly connected to a far needle tip of the puncture needle (1) by taking the axis of the puncture needle (1) as axial symmetry, a push-pull rod (4) is coaxially and slidably connected with the puncture needle (1), the push-pull rod (4) coaxially slides in the puncture needle (1), the near needle tip of the push-pull rod (4) is in a pin shape, a logout axis is vertical to the axis of the push-pull rod (4), a push-pull ring (5) is fixedly connected to the far needle tip of the push-pull rod (4) by taking the axis of the push-pull rod (4) as a central line, and a connecting block is composed of a connecting block A (6) and a connecting block B (7), the particle cover A (9) and the particle cover B (10) are in a capsule shape after being closed, the inner walls of the particle cover A (9) and the particle cover B (10) are opposite, the bottom end of the particle cover A (9) is fixedly connected with the connecting block A (6) and is fixed by a nut (8), the bottom end of the particle cover B (10) is fixedly connected with the connecting block B (7) and is fixed by the nut (8), the sliding rod consists of two parts, namely a sliding rod A (11) and a sliding rod B (12), the sliding rod A (11) and the sliding rod B (12) are both cylinders, the bottom end of the sliding rod A (11) is fixedly connected with the center position of 1/4 spherical surface at the bottom end of the particle cover A (9), the sliding rod A (11) points to the spherical center of 1/4 spherical surface at the bottom end of the particle cover A (9), the bottom end of the sliding rod B (12) is fixedly connected with the center position of 1/4 spherical surface at the bottom end of the particle cover B (10), the sliding rod B (12) points to the spherical center of 1/4 spherical surface at the bottom end of the particle cover B (10), the sliding ball is composed of a sliding ball A (13) and a sliding ball B (14), the sliding ball A (13) and the sliding ball B (14) are both spheres, the spherical center of the sliding ball A (13) is coincident with the extension line of the axial line of the sliding rod A (11), the sliding ball B (14) is fixedly connected with the top end of the sliding rod A (12), and the spherical center of the sliding ball B (14) is coincident with the axial line of the sliding rod B (12), is fixedly connected to the top end of the sliding rod B (12), and the sliding ball A (13) and the sliding ball B (14) are respectively connected with the two T-shaped grooves on the inner wall of the puncture needle (1) in a sliding way.
2. A radioactive particle extraction apparatus according to claim 1, wherein: the inner hole wall of the near needle tip of the puncture needle (1) is respectively provided with two T-shaped grooves by taking the axis of the puncture needle (1) as a symmetric axis, a sliding bead A (13) and a sliding rod A (11) which are fixedly connected on a particle cover A (9) and a sliding bead B (14) and a sliding rod B (12) which are fixedly connected on a particle cover B (10) are respectively in sliding connection with the two T-shaped grooves on the inner wall of the puncture needle (1), the bottom ends of the particle cover A (9) and the particle cover B (10) are respectively sleeved with a pin of the near needle tip of a push-pull rod (4) through a connecting block A (6) and a connecting block B (7), the relative position of the push-pull rod (4) in the puncture needle (1) can be changed by pulling or pushing a pushing pulling ring (5) which is fixedly connected on the push-pull rod (4), so as to drive the particle cover A (9) and the particle cover B (10) to linearly slide in the hole of the puncture needle (1) and further change the relative position of the particle cover and the puncture needle (1), after the tissue is accurately punctured, the needle point of the puncture needle (1) reaches the position of a particle accessory to be taken out, when the particle cover is pushed to the position close to the needle point, the sliding ball cannot move outwards due to the limitation of two T-shaped grooves on the inner wall of the puncture needle (1), the part of the particle cover exposed out of the needle point does not linearly slide any more, and under the thrust action of the push-pull ring (5), the particle cover A (9) and the particle cover B (10) do unfolding motion along the circle to two sides by taking the midpoint on the logout axis on the near needle end of the push-pull rod (4) as the circle center and the distance from the top end of the particle cover to the circle center as the radius, so that preparation is made for clamping particles.
3. A radioactive particle extraction apparatus according to claim 1, wherein: the particle cover A (9) and the particle cover B (10) are pulled by the push-pull rod (4) to perform closing motion from two sides to the middle along a circle by taking the middle point on a logout axis on the needle-near end of the push-pull rod (4) as a circle center and the distance from the top end of the particle cover to the circle center as a radius so as to clamp and wrap particles, the particles are wrapped and then slide to the inside of the puncture needle (1) hole along the inner wall of the puncture needle (1) under the pulling of the push-pull rod (4), and the particle cover can be completely retracted into the puncture needle (1) under the driving of the push-pull rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630229.3A CN113144410A (en) | 2021-06-07 | 2021-06-07 | Radioactive particle taking-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110630229.3A CN113144410A (en) | 2021-06-07 | 2021-06-07 | Radioactive particle taking-out device |
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| Publication Number | Publication Date |
|---|---|
| CN113144410A true CN113144410A (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110630229.3A Pending CN113144410A (en) | 2021-06-07 | 2021-06-07 | Radioactive particle taking-out device |
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| CN (1) | CN113144410A (en) |
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| CN1537647A (en) * | 2003-10-22 | 2004-10-20 | 高春平 | Tumour close internal rediation therapy device presetted in operation |
| US20130144308A1 (en) * | 2011-12-06 | 2013-06-06 | Diana Forrest | Blackhead and Blemish Extractor |
| US20140180208A1 (en) * | 2012-12-21 | 2014-06-26 | International Technology Group | Safe needle device for syringes |
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| CN110236658A (en) * | 2019-06-21 | 2019-09-17 | 温州市人民医院 | The foldable foreign body forceps in head |
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| CN211094583U (en) * | 2019-10-31 | 2020-07-28 | 西宁市第一人民医院 | Esophagus foreign body forceps |
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