CN113081204A - Thyroid gland puncture positioning needle - Google Patents
Thyroid gland puncture positioning needle Download PDFInfo
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- CN113081204A CN113081204A CN202110589705.1A CN202110589705A CN113081204A CN 113081204 A CN113081204 A CN 113081204A CN 202110589705 A CN202110589705 A CN 202110589705A CN 113081204 A CN113081204 A CN 113081204A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- 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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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
- A61B2017/3413—Needle locating or guiding means guided by ultrasound
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- Life Sciences & Earth Sciences (AREA)
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- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The invention discloses a thyroid gland puncture positioning needle, which comprises: the puncture needle cylinder is provided with a hollow cavity with two open ends, one end of the hollow cavity is a puncture end, the other end of the hollow cavity is a handheld end, and the puncture end is provided with a first ultrasonic development mark; the positioning core is longer than the puncture needle cylinder, is connected with the hollow cavity in a sleeved mode and is provided with a positioning end and a push-pull end, the positioning end is provided with a second ultrasonic development mark, and a positioning hook is arranged on the side face, close to the second ultrasonic development mark, of the positioning core; wherein, the location core with the location hook is linear motion along the axial in cavity, when the tip of location end and the tip parallel and level of puncture end, second ultrasonic development mark with first ultrasonic development mark overlaps, and the location hook is worn out the cavity and is fixed a position in the cavity. The thyroid puncture positioning needle provided by the invention has the advantages of simple structure, accurate positioning, safety, controllability, easiness in operation, safety, practicability and good market popularization prospect.
Description
Technical Field
The invention relates to the technical field of medical auxiliary instruments, in particular to a thyroid puncture positioning needle.
Background
With the continuous development and progress of ultrasonic technology, ultrasonic examination is widely applied to screening and diagnosis of thyroid nodules, and many thyroid diseases are discovered and treated early, and particularly for some minimal thyroid cancers, only a few millimeters can be detected ultrasonically. Aiming at the current situation of thyroid cancer treatment in China, surgical excision is still the primary treatment means of minimal thyroid cancer, so that a large number of patients with minimal thyroid cancer are surgically excised in China; however, the accurate diagnosis of thyroid cancer still depends on histopathological examination, and when the small thyroid cancer is treated by a surgical operation, the pathological examination after the operation brings great confusion to the pathology department, because the size of the focus of the small thyroid cancer (< 10 mm) is small, the partial diameter is only 2-3 mm, the focus is difficult to distinguish with the normal thyroid tissue by naked eyes, and the specific position of the focus in a sample after the operation is difficult to determine, the focus tissue is difficult to find quickly during the pathological examination, repeated pathological tissue slicing is required, so that a great amount of labor and time are consumed, and even the omission of the focus can be caused, thereby causing the diagnosis difficulty.
Disclosure of Invention
The invention aims to provide a thyroid puncture positioning needle which can help a pathology department to quickly and accurately find a tiny focus in a thyroid post-operation specimen, reduce the times of pathological sections and improve the working efficiency and the diagnosis accuracy.
In order to achieve the purpose, the invention adopts the following technical scheme:
the thyroid puncture positioning needle comprises
The puncture needle cylinder is provided with a hollow cavity with two open ends, one end of the hollow cavity is a puncture end, the other end of the hollow cavity is a handheld end, and the puncture end is provided with a first ultrasonic development mark;
the positioning core is longer than the puncture needle cylinder, is connected with the hollow cavity in a sleeved mode and is provided with a positioning end and a push-pull end, the positioning end is provided with a second ultrasonic development mark, and a positioning hook is arranged on the side face, close to the second ultrasonic development mark, of the positioning core;
wherein, the location core with the location hook is linear motion along the axial in cavity, when the tip of location end and the tip parallel and level of puncture end, second ultrasonic development mark with first ultrasonic development mark overlaps, and the location hook is worn out the cavity and is fixed a position in the cavity.
The puncture end is a bevel needle point structure, the first ultrasonic development mark is arranged on the side wall of the puncture needle cylinder at the same side as the needle point of the bevel needle point, and the positioning hook is arranged on the side surface of the positioning core at the same side as the bevel of the bevel needle point.
The hand-held end of the puncture needle cylinder is provided with a needle point bevel mark for indicating the bevel direction of the bevel needle point.
The needle point inclined plane is marked as a color coating layer arranged on the same side of the positioning hook, and the central angle of the color coating layer is 180 degrees.
The ultrasonic imaging device is characterized in that a groove used for placing a positioning hook is formed in the hollow cavity, an axial opening groove which extends towards the handheld end and is convenient for the positioning hook to stretch out is formed in the edge of the inclined plane needle point, the central line of the groove and the central line of the axial opening groove coincide with each other, and the groove and the axial opening groove are located on the opposite side of the first ultrasonic imaging mark.
The groove and the axial opening groove are at least one group, each group of groove and the axial opening groove corresponds to one positioning hook, and the grooves and the axial opening grooves in the same group are connected through vertical guide grooves.
And a plurality of scale marks for indicating the puncture depth are arranged on the outer wall of the puncture needle cylinder at intervals.
The second ultrasonic development mark is a spiral array arrangement structure.
The positioning hook is a semicircular structure which is made of elastic metal wires and has a diameter of 4-5mm, and an opening of the positioning hook is arranged corresponding to the push-pull end.
The push-pull end of the positioning core is provided with a first operation mark for indicating the positioning hook to be matched with the groove and a second operation mark for indicating the positioning hook to penetrate out of the hollow cavity.
The thyroid puncture positioning needle provided by the invention has the advantages of simple structure, accurate positioning, safety, controllability and easiness in operation, and can be used by matching the puncture needle cylinder with the positioning core, particularly, the tail end of the positioning core with smaller diameter can be directly pointed to a tiny focus area, so that the positioning accuracy is ensured; meanwhile, the positioning hook with larger diameter arranged on the side of the needle point slope of the puncture needle cylinder can not only ensure the positioning firmness, but also reduce the damage to human tissues; the positioning hook is matched with the groove in the puncture needle cylinder and is linearly pushed to the axial open slot along the vertical guide slot under the action of thrust, so that the direction of the positioning hook is controllable when the positioning hook is popped up, surrounding tissues and blood vessels are prevented from being damaged, and the safety of the operation is ensured; in addition, the first ultrasonic development mark, the needle point bevel mark, the first operation mark and the second operation mark which are arranged on the puncture needle cylinder and the second ultrasonic development mark which is arranged on the positioning core can effectively assist the puncture operation and reduce the operation difficulty. In conclusion, the invention is novel, safe and practical, and has good market popularization prospect.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the positioning core and the puncture needle cartridge in fig. 1 in a state of being engaged and connected to prepare for puncture.
Fig. 3 is a schematic view showing the structure of the puncture needle cartridge of fig. 1.
Fig. 4 is a schematic view of the structure of the positioning core in example 1.
Fig. 5 is a schematic view showing the structure of the piercing end of the puncture needle cartridge in example 1.
Fig. 6 is a cross-sectional view of fig. 5.
Fig. 7 is a schematic view of the structure of the positioning core in example 2.
Fig. 8 is a schematic structural view of the piercing end of the puncture needle cartridge in example 2.
Fig. 9 is a cross-sectional view of fig. 5.
Detailed Description
The thyroid gland puncture positioning needle of the invention comprises: the puncture needle cylinder is provided with a hollow cavity with two open ends, one end of the hollow cavity is a puncture end, the other end of the hollow cavity is a handheld end, and the puncture end is provided with a first ultrasonic development mark; the positioning core is longer than the puncture needle cylinder, is connected with the hollow cavity in a sleeved mode and is provided with a positioning end and a push-pull end, the positioning end is provided with a second ultrasonic development mark, and a positioning hook is arranged on the side face, close to the second ultrasonic development mark, of the positioning core; the positioning end of the positioning core is positioned on the axial extension line of the positioning core, and the positioning hook is positioned on the side of the positioning core and is not continued to the positioning end; wherein, location core and location hook are linear motion along the axial in cavity, and when the tip of location end and the tip parallel and level of puncture end, second ultrasonic development mark with first ultrasonic development mark overlaps, and the location hook is worn out the cavity and is pricked the focus and organize around the focus and fix.
The following describes embodiments of the present invention in detail with reference to the drawings, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
Example 1:
as shown in figures 1-5, the puncture needle cylinder 1 is a rigid needle tube with a diameter of 20-22G and a length of 5-6cm, and the positioning core 2 arranged in the cavity 101 can be guided into the thyroid lesion. A plurality of annular scale marks 102 are arranged on the outer wall of the puncture needle cylinder 1 at intervals, so that an operator can conveniently judge the needle insertion depth. The hand-held end of the puncture needle cylinder 1 is provided with an annular convex structure, so that an operator can hold the puncture needle cylinder conveniently; the piercing end opposite to the holding end is a bevel needle point 103 structure. The outer wall of the puncture needle cylinder 1 at the needle point of the inclined needle point 103 is provided with a first ultrasonic development mark 104 which can enhance ultrasonic reflection development and is convenient for the puncture needle cylinder 1 to enter a focus area under the guidance of ultrasonic waves. To facilitate the operator's judgment of the direction of the beveled tip 103, a tip bevel marker 105 is provided at the hand-held end. The needle tip bevel mark 105 is typically a color coating layer, which is coated on the outer wall of the half puncture needle cylinder 1 on the side where the bevel of the bevel needle tip 103 is located (i.e., the side opposite to the first ultrasonic development mark 104) to indicate the direction of the bevel side of the bevel needle tip 103, so as to facilitate the operator to adjust the direction of the bevel needle tip 103 during the operation.
The positioning core 2 is made of non-conductive flexible metal so as to avoid the skin tissue of a patient from being burnt by current when thyroid surgery is carried out, the outer diameter of the positioning core is generally 0.2-0.8mm, and the positioning core has certain hardness and plasticity, can ensure the safety and firmness of the patient in the body without deformation and displacement, and is convenient to be stuck and fixed on the body surface. The length of the positioning core 2 is larger than that of the puncture needle cylinder 1, and the two ends are respectively a positioning end and a push-pull end. In the puncture process, the positioning end can be directly inserted into the focus position, the positioning accuracy is ensured, and the focus can be quickly found out after the pathological section is operated conveniently.
The positioning end is provided with a second ultrasonic development mark 201, the second ultrasonic development mark 201 is distributed in a spiral array in an area which extends inwards by 2-4mm from the end head, and the second ultrasonic development mark has a better development effect under the ultrasonic condition, so that an operator can be assisted to judge whether the nodule is positioned in place. The side wall of the positioning core 2 close to the inner side of the second ultrasonic development mark 201 is also provided with a positioning hook 202, the positioning hook 202 is made of an elastic metal wire which can be deformed, and is in a semicircular structure with the diameter of 4-5mm, and the opening of the positioning hook corresponds to the push-pull end of the positioning core 2. When the positioning hook 202 is positioned in the hollow cavity 101, the opening of the positioning hook is compressed and contained in the puncture needle cylinder 1; when the positioning hook 202 is pushed out from the hollow cavity 101 along with the positioning core 2, the positioning hook can be quickly bounced and penetrated into peripheral tissues for fixing, and the firmness of the positioning core 2 is ensured. In this embodiment, the positioning hook 202 is located on the bevel side of the bevel tip 103 and opposite to the tip of the bevel tip 103, so as to avoid damage to surrounding tissues when positioning a lesion adjacent to a blood vessel or an envelope.
In order to conveniently store the positioning hook 202, the inner wall of the hollow cavity 101 of the puncture needle cylinder 1 is provided with the groove 106 matched with the positioning hook, when the positioning hook 202 is positioned in the groove 106, the positioning hook 202 can be kept in a fixed position without axial rotation, so that an operator can conveniently make correct judgment on the ejection direction of the positioning hook 202 in the operation, and the operation safety is ensured. Furthermore, in order to facilitate the positioning hook 202 to penetrate out of the hollow cavity 101 and to be sprung open, an axial opening groove 107 extending towards the handheld end is formed in the edge of the inclined surface of the inclined needle point 103, and the central line of the axial opening groove 107 and the central line of the groove 106 are coincident with each other. In order to ensure that the positioning hook 202 smoothly reaches the axial opening groove 107 from the groove 106 along a straight line, a vertical guide groove 108 is further formed on the inner wall of the hollow cavity 101 between the two.
When the positioning hook 202 is just bounced from the axial open slot 107, the end of the positioning core 2 is just flush with the tip of the needle point of the bevel needle point 103 of the puncture needle cylinder 1, and at the moment, the second ultrasonic development mark 201 is also overlapped with the first ultrasonic development mark 104, so that the focus where the needle point of the bevel needle point 103 is located is the focus located by the positioning end of the positioning core 2, and the positioning accuracy and the positioning safety are both considered.
In addition, for convenience of operation, the first operation mark 203 and the second operation mark 204 are provided in a ring shape at the push-pull end of the positioning core 2, and the first operation mark 203 and the second operation mark 204 are visible and touchable marks. Generally, when the first operation marker 203 is overlapped with the edge of the hand-held end of the puncture needle cartridge 1, the positioning hook 202 is just received in the recess 106; when the second operation marker 204 is overlapped with the edge of the hand-held end of the puncture needle cartridge 1, the positioning hook 202 is positioned just inside the axially open groove 107 and flicked to the peripheral tissue.
Example 2:
in this embodiment, the number of the positioning hooks 202 is two, and the two sets of the grooves 106, the axially-opened grooves 107 and the vertical guide grooves 108 are matched with the two positioning hooks, which is the same as that of embodiment 1.
The positioning hooks 202 in this embodiment are still located on the bevel side of the bevel needle tip 103 and are symmetrically arranged on both sides of the diametric plane of the bevel needle tip 103. The groove 106, the axially open groove 107 and the vertical guide groove 108, which are individually matched with the positioning hooks 202, are distributed at corresponding positions on the inner wall of the hollow cavity 101.
Example 3:
in the case of ultrasound-guided thyroid surgery, different positioning cores 2 are to be selected depending on the position of the different nodules. The positioning core 2 is mainly distinguished by the number and positions of the positioning hooks 202, such as the positioning cores 2 described in embodiment 1 and embodiment 2, or similar positioning cores 2. When in use, the method comprises the following operation steps:
firstly, a positioning core 2 is arranged in a hollow cavity 101 of a puncture needle cylinder 1 in a penetrating way, so that a positioning end of the positioning core 2 and a positioning hook 202 do not exceed an opening of a needle point 103 with a bevel, the positioning hook 202 is completely accommodated in a groove 106, and the positions of the needle point bevel mark 105 and a first operation mark 203 are confirmed;
secondly, the bevel needle point 103 of the puncture needle cylinder 1 is penetrated into the focus area of the thyroid under the ultrasonic guidance;
thirdly, adjusting the direction of the inclined needle point 103 to enable the needle point inclined mark 105 to face away from blood vessels or capsule tissues near the focus;
fourthly, keeping the position of the puncture needle cylinder 1 fixed, pushing and pressing the positioning core 2 to enable the positioning core to advance forwards along a straight line until the positioning hook 202 is just positioned in the axial opening groove 107 and bounces to surrounding tissues, wherein the end of the positioning core 2 is flush with the tip of the needle tip 103 of the inclined plane of the puncture needle cylinder 1, and the positioning end and the tip are positioned in the same thyroid lesion area;
fifthly, judging whether the positioning core 2 is well fixed by checking whether the second ultrasonic development mark 201 is overlapped with the first ultrasonic development mark 104; if the needle is not in the optimal position, the positioning core 2 is withdrawn, the position of the puncture needle cylinder 1 is kept fixed when the needle is withdrawn, the positioning core 2 is pulled to move backwards, the positioning hook 202 is compressed and is accommodated in the puncture needle cylinder 1 along with the positioning core 2, the fourth step is repeated after the position of the inclined needle point 103 is adjusted, and the positioning core 2 is fixed again;
and sixthly, fixing the positioning core 2, slowly withdrawing the puncture needle cylinder 1, bending and wrapping the exposed section of the positioning core 2, and fixing the exposed section on the skin by using an adhesive tape.
It should be noted that in the description of the present invention, terms of orientation or positional relationship such as "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (10)
1. A thyroid gland puncture pilot pin which characterized in that: comprises that
The puncture needle cylinder is provided with a hollow cavity with two open ends, one end of the hollow cavity is a puncture end, the other end of the hollow cavity is a handheld end, and the puncture end is provided with a first ultrasonic development mark;
the positioning core is longer than the puncture needle cylinder, is connected with the hollow cavity in a sleeved mode and is provided with a positioning end and a push-pull end, the positioning end is provided with a second ultrasonic development mark, and a positioning hook is arranged on the side face, close to the second ultrasonic development mark, of the positioning core;
wherein, the location core with the location hook is linear motion along the axial in cavity, when the tip of location end and the tip parallel and level of puncture end, second ultrasonic development mark with first ultrasonic development mark overlaps, and the location hook is worn out the cavity and is fixed a position in the cavity.
2. The thyroid puncture positioning needle according to claim 1, wherein: the puncture end is a bevel needle point structure, the first ultrasonic development mark is arranged on the side wall of the puncture needle cylinder at the same side as the needle point of the bevel needle point, and the positioning hook is arranged on the side surface of the positioning core at the same side as the bevel of the bevel needle point.
3. The thyroid puncture positioning needle according to claim 2, wherein: the hand-held end of the puncture needle cylinder is provided with a needle point bevel mark for indicating the bevel direction of the bevel needle point.
4. The thyroid puncture positioning needle according to claim 3, wherein: the needle point inclined plane is marked as a color coating layer arranged on the same side of the positioning hook, and the central angle of the color coating layer is 180 degrees.
5. The thyroid puncture positioning needle according to claim 2, wherein: the ultrasonic imaging device is characterized in that a groove used for placing a positioning hook is formed in the hollow cavity, an axial opening groove which extends towards the handheld end and is convenient for the positioning hook to stretch out is formed in the edge of the inclined plane needle point, the central line of the groove and the central line of the axial opening groove coincide with each other, and the groove and the axial opening groove are located on the opposite side of the first ultrasonic imaging mark.
6. The thyroid puncture positioning needle according to claim 5, wherein: the groove and the axial opening groove are at least one group, each group of groove and the axial opening groove corresponds to one positioning hook, and the grooves and the axial opening grooves in the same group are connected through vertical guide grooves.
7. The thyroid puncture positioning needle according to claim 1, wherein: and a plurality of scale marks for indicating the puncture depth are arranged on the outer wall of the puncture needle cylinder at intervals.
8. The thyroid puncture positioning needle according to claim 1, wherein: the second ultrasonic development mark is a spiral array arrangement structure.
9. The thyroid puncture positioning needle according to claim 1, wherein: the positioning hook is a semicircular structure which is made of elastic metal wires and has a diameter of 4-5mm, and an opening of the positioning hook is arranged corresponding to the push-pull end.
10. The thyroid puncture positioning needle according to claim 1, wherein: the push-pull end of the positioning core is provided with a first operation mark for indicating the positioning hook to be matched with the groove and a second operation mark for indicating the positioning hook to penetrate out of the hollow cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110589705.1A CN113081204A (en) | 2021-05-28 | 2021-05-28 | Thyroid gland puncture positioning needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110589705.1A CN113081204A (en) | 2021-05-28 | 2021-05-28 | Thyroid gland puncture positioning needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113081204A true CN113081204A (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110589705.1A Pending CN113081204A (en) | 2021-05-28 | 2021-05-28 | Thyroid gland puncture positioning needle |
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| CN (1) | CN113081204A (en) |
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2021
- 2021-05-28 CN CN202110589705.1A patent/CN113081204A/en active Pending
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