CN221060790U - Novel soft tissue focus locator - Google Patents
Novel soft tissue focus locator Download PDFInfo
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- CN221060790U CN221060790U CN202321534177.0U CN202321534177U CN221060790U CN 221060790 U CN221060790 U CN 221060790U CN 202321534177 U CN202321534177 U CN 202321534177U CN 221060790 U CN221060790 U CN 221060790U
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- positioning wire
- fixer
- positioning
- needle
- torsion
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- 210000004872 soft tissue Anatomy 0.000 title claims abstract description 10
- 239000003292 glue Substances 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 claims description 9
- 229910001000 nickel titanium Inorganic materials 0.000 claims description 9
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 9
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000005488 sandblasting Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000001519 tissue Anatomy 0.000 description 7
- 206010006272 Breast mass Diseases 0.000 description 6
- 210000000481 breast Anatomy 0.000 description 6
- 230000003902 lesion Effects 0.000 description 5
- 238000001356 surgical procedure Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 206010006187 Breast cancer Diseases 0.000 description 3
- 208000026310 Breast neoplasm Diseases 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 238000002690 local anesthesia Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009954 braiding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000013399 early diagnosis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008029 eradication Effects 0.000 description 1
- 230000008713 feedback mechanism Effects 0.000 description 1
- 210000005075 mammary gland Anatomy 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a novel soft tissue focus positioner, which belongs to the technical field of soft tissue focus positioning, and comprises a guide needle, a torsion fixer, a positioning wire, a limiting glue clip and a protective sleeve, wherein the front end of a needle handle of the guide needle is detachably connected with the protective sleeve, the torsion fixer is inserted into the guide needle, the positioning wire is arranged in the torsion fixer, and the limiting glue clip is adhered and bonded on the torsion fixer, and the soft tissue focus positioner has the beneficial effects that: accurate positioning is performed so as to effectively cut off the tiny focus; the release of the end socket caused by accidents is avoided; the repeated positioning can improve the fault tolerance rate of positioning in operation; the problem of insufficient rigidity of wire pushing is effectively solved, and the risk of wire fusing in operation is effectively solved.
Description
Technical Field
The utility model belongs to the technical field of soft tissue focus positioning, and particularly relates to a novel soft tissue focus positioner.
Background
At present, how to accurately position and acquire focus tissues for pathological examination and clear lesion properties aiming at diagnosis and treatment of hidden focuses of mammary glands becomes a problem to be solved urgently; meanwhile, with the improvement of early diagnosis technology of breast cancer and the increasing importance of comprehensive treatment, the development of breast surgery from pursuing thorough eradication of surgery to combining the surgery with comprehensive treatment has resulted in a great change in the surgical treatment of breast cancer.
Accurate excision of clinical palpation-negative tumors has become a major problem for surgeons who have been able to roughly locate calcification lesions of the breast and then resect segments of the breast. However, the radical treatment method obviously does not accord with the minimally invasive, accurate and safe surgical treatment principle advocated at present, and is more unsuitable for developing breast cancer breast protection operation. For the hidden lesions of the breast which cannot be reached clinically, how to accurately position the lesions in the operation and judge whether the lesion range reaches the negative limit is the key of whether the breast protection operation can be performed.
The current positioning wire device used clinically is operated only through the tail braiding part of the positioning wire by hand feeling touch, and the positioning wire is relatively thin, so that the positioning wire device is easy to bend during pushing, and the actual operation is inconvenient.
Disclosure of utility model
The utility model aims to solve the technical problems of providing a feedback mechanism for accurate positioning completion, improving the accuracy of clinical use positioning and realizing repeatable positioning.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a novel soft tissue focus locator, includes guide pin, twists reverse fixer, locating wire, spacing glues card and protective sheath, the needle handle front end of guide pin can be dismantled and is connected with the protective sheath, the inside grafting of pinhole of guide pin has twists reverse the fixer, twist reverse the inside of fixer and be provided with the locating wire, spacing glues the card and bonds on twisting the fixer.
The end of the positioning wire is round, and the extension length of the round end is 10-22 mm.
The head end of the positioning wire is in a pagoda shape, and the stretching length of the pagoda shape is 15-30 mm.
The head end of the positioning wire is of a double-hook structure, and the double-hook stretching length is 3-10 mm.
The circular positioning wire comprises a positioning wire head end and a positioning wire tail end, wherein the positioning wire head end and the positioning wire tail end are integrally formed, and the positioning wire is made of nickel-titanium memory alloy.
The pagoda-shaped positioning wire comprises a positioning wire head end and a positioning wire tail end, wherein the positioning wire head end and the positioning wire tail end are integrally formed, and the positioning wire is made of nickel-titanium memory alloy.
The double-hook-shaped positioning wire is formed by weaving two wires and comprises a positioning wire head end, a positioning wire tail end and a terminal, wherein a pointed end is arranged at the front end of the positioning wire head end, the terminal is fixedly connected between the positioning wire head end and the positioning wire tail end, the terminal is made of medical stainless steel, the positioning wire head end and the positioning wire tail end are integrally formed, and the positioning wire is made of nickel-titanium memory alloy; the outer edge of the terminal is attached to the inner diameter of the needle tube of the guide needle.
The guiding needle comprises a needle handle and a puncture guiding tube, the front end of the needle handle is fixedly connected with the puncture guiding tube, the puncture guiding tube is made of stainless steel, a graduated scale is arranged on the tube body of the puncture guiding tube, and the 10mm region of the puncture guiding tube head is subjected to sand blasting treatment.
The torsion fixer comprises a guide pipe, one end of the guide pipe is fixedly connected with a torque fixing cap, the torque fixing cap and the middle part of the torque handle are provided with round holes, and the guide pipe is communicated with the round holes; the torsion anchor is marked with a mark.
The limiting glue card is a single-sided adhesive sheet, and is positioned between the guide needle and the torsion fixer, and the front end and the rear end of the limiting glue card are respectively attached to the rear part of the guide needle and the front part of the torsion fixer.
Compared with the prior art, the utility model has the following beneficial effects:
The limiting glue clamp is adopted, so that the torsion fixing device can be effectively prevented from freely sliding in the guide needle tube, and the release of the head end of the molded body caused by accidental triggering is avoided.
In order to avoid the problems of displacement and unhooking caused by insufficient anchoring force after the positioning wire is combined with the tissue, the utility model designs three positioning wire head end structures, namely circular, pagoda-shaped and double-hook-shaped structures, which not only have larger anchoring force, but also enhance the developing effect, and are easier to accurately position so as to effectively cut off the tiny focus;
the positioning wire made of the nickel-titanium memory alloy material is adopted, so that the device has a repeatable positioning function, and the fault tolerance of positioning in operation is improved; the melting point of the wire material of the material is far higher than the temperature of the electric coagulation knife, so that the wire material is not easy to fuse, and the difficulty of postoperative tissue section examination is reduced.
The torsion fixing device and the terminal are adopted to effectively solve the problem of insufficient rigidity of wire pushing.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic view of the structure of an introducer needle according to an embodiment of the utility model.
Fig. 3 is a schematic view of the structure of the twist anchor with mark of the present utility model.
Fig. 4 is a schematic structural view of a positioning wire in embodiment 1 of the present utility model.
Fig. 5 is a schematic view showing the structure of a positioning wire in embodiment 2 of the present utility model.
Fig. 6 is a schematic view of the structure of a torsion anchor according to an embodiment of the present utility model.
Fig. 7 is a schematic structural view of the positioning wire in the novel embodiment 3.
FIG. 8 is a schematic view of the structure after release of the tip of the positioning wire;
FIG. 9 is a schematic view of the tag recovery positioning state of the present utility model;
figure number and name: the needle comprises a guide needle 1, a needle handle 101, a puncture guide tube 102, a torsion fixer 2, a guide tube 201, a torsion fixing cap 202, a torsion handle 203, a mark 204, a positioning wire 3, a positioning wire head end 301, a positioning wire tail end 302, a terminal 303, a limiting glue card 4 and a protective sleeve 5.
Detailed Description
The present utility model will now be described in detail with reference to the drawings and the specific embodiments thereof, wherein the illustrative embodiments and descriptions of the utility model are for illustration, but not for limitation.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
As shown in fig. 1-9, the novel soft tissue focus positioner provided by the utility model comprises a guide needle 1, a torsion fixer 2, a positioning wire 3, a limiting glue clip 4 and a protective sleeve 5, wherein the front end of a needle handle of the guide needle 1 is detachably connected with the protective sleeve 5, the torsion fixer 2 is inserted into the guide needle 1, the positioning wire 3 is arranged in the torsion fixer 2, the limiting glue clip 4 is adhered and bonded on the torsion fixer 2, the positioning wire 3 comprises a positioning wire head end 301 and a positioning wire tail end 302, the front end of the positioning wire head end 301 is provided with a pointed end, the positioning wire head end 301 and the positioning wire tail end 302 are integrally formed, and the positioning wire head end 301 and the positioning wire tail end 302 are made of nickel-titanium memory alloy; the guide needle 1 comprises a needle handle 101, a puncture guide tube 102 is fixedly connected to the front end of the needle handle 101, the puncture guide tube 102 is made of stainless steel, a graduated scale is arranged on the tube body of the puncture guide tube 102, and a 10mm region of the head of the puncture guide tube 102 is subjected to sand blasting treatment. The torsion fixer 2 comprises a guide tube 201, one end of the guide tube 201 is fixedly connected with a torque fixing cap 202, round holes are formed in the middle of the torque fixing cap 202 and the torque handle 203, the guide tube 201 is communicated with the round holes, and marks 204 are engraved on the torsion fixer 2. The positioning filament end 301 is in a round shape. The limiting adhesive clamp 4 is a single-sided adhesive sheet. The limiting glue clamp 4 is positioned between the guide needle 1 and the torsion fixer 2, and the front end and the rear end of the limiting glue clamp 4 are respectively attached to the rear part of the guide needle 1 and the front part of the torsion fixer 2.
The positioning wire head 301 is limited in the cavity of the puncture guide tube 102 in the unused state, and the positioning wire head 301 is pushed out by the torsion fixer 2 in the used state to be unfolded to form a circular shape, a pagoda shape or a double hook shape. The extension length of the round head end of the positioning wire is 10-22 mm, the length of the positioning wire 3 is 120-260 mm, the diameter of the wire is 0.1-0.6 mm, and the positioning wire is made of nickel-titanium memory alloy, has high strength, has super elasticity, is not easy to fuse and has a repeated positioning function.
The clinical application method comprises the following steps: opening the package, tearing the limit glue card 4, removing the protective sleeve 5, checking whether the positioning wire head end 301 exposes the needle point of the guide needle 1, and if the positioning wire head end 301 exposes the needle point of the guide needle 1, carefully and slowly stretching the torsion fixer 2 backwards until the positioning wire head end 301 is immersed into the guide needle 1; under the guidance of X-ray or ultrasonic, confirming a puncture angle and a puncture path, wherein the puncture path needs to avoid important structures such as blood vessels; measuring distance: distance is the distance from the skin surface to the breast nodule; selecting a product with a corresponding specification according to the measured distance; the guide needle 1 is used for puncturing tissues under local anesthesia, the puncture depth is confirmed through the scale mark of the tube body of the puncture guide tube 102, and the X-ray or ultrasonic scanning is repeated, so that the needle point of the guide needle 1 is ensured to be near the breast nodule. Pushing the torsion fixer 2 to the end of the needle handle 101, completely releasing the positioning wire head 301, if the first positioning is inaccurate, carefully and slowly stretching the torsion fixer 2 backwards to enable the mark of the guide tube 201 to be level with the end of the needle handle 101, and recovering the positioning wire 3 into the guide needle 1 for repositioning; after the release of the positioning wire head end 301 is completed, keeping the guide needle 1 still, pinching the torque fixer cap 2, unscrewing the torque handle 203 anticlockwise, taking out the torque fixer 2 along the positioning wire tail end 302, slowly withdrawing the guide needle 1 backwards until the whole guide needle 1 is withdrawn from the body, and after the positioning is completed, cutting off the overlong part of the exposed body surface and reserving 6-10cm or covering and fixing by sterile gauze; after positioning, a tuberectomy should be performed within 24 hours.
Example 2
As shown in fig. 5, on the basis of embodiment 1, embodiment 2 is different from embodiment 1 in that: the positioning wire head 301 is pagoda-shaped. The extension length of the pagoda-shaped head end of the positioning wire is 15-30 mm, the length of the positioning wire 3 is 120-260 mm, the diameter of the wire is 0.1-0.6 mm, and the positioning wire with the pagoda-shaped structure is of a three-dimensional structure, so that the positioning wire has larger anchoring force, enhances the development effect, and is easier to accurately position so as to effectively cut off tiny focus. The positioning wire is made of nickel-titanium memory alloy, has high strength, super elasticity, uneasy fusing and repeated positioning function.
The clinical application method comprises the following steps: opening the package, tearing the limit glue card 4, removing the protective sleeve 5, checking whether the positioning wire head end 301 exposes the needle point of the guide needle 1, and if the positioning wire head end 301 exposes the needle point of the guide needle 1, carefully and slowly stretching the torsion fixer 2 backwards until the positioning wire head end 301 is immersed into the guide needle 1; under the guidance of X-ray or ultrasonic, confirming a puncture angle and a puncture path, wherein the puncture path needs to avoid important structures such as blood vessels; measuring distance: distance is the distance from the skin surface to the breast nodule; selecting a product with a corresponding specification according to the measured distance; the guide needle 1 is used for puncturing tissues under local anesthesia, the puncture depth is confirmed through the scale mark of the tube body of the puncture guide tube 102, and the X-ray or ultrasonic scanning is repeated, so that the needle point of the guide needle 1 is ensured to be near the breast nodule. Pushing the torsion fixer 2 to the end of the needle handle 101, completely releasing the positioning wire head 301, if the first positioning is inaccurate, carefully and slowly stretching the torsion fixer 2 backwards to enable the mark of the guide tube 201 to be level with the end of the needle handle 101, and recovering the positioning wire 3 into the guide needle 1 for repositioning; after the release of the positioning wire head end 301 is completed, keeping the guide needle 1 still, pinching the torque fixer cap 2, unscrewing the torque handle 203 anticlockwise, taking out the torque fixer 2 along the positioning wire tail end 302, slowly withdrawing the guide needle 1 backwards until the whole guide needle 1 is withdrawn from the body, and after the positioning is completed, cutting off the overlong part of the exposed body surface and reserving 6-10cm or covering and fixing by sterile gauze; after positioning, a tuberectomy should be performed within 24 hours.
Example 3
As shown in fig. 6 to 7, on the basis of embodiment 1, embodiment 3 is different from embodiment 1 in that: the guide wire head 301 is double hook shaped. The extension length of the double-hook-shaped head end of the positioning wire is 3-10 mm, the length of the positioning wire 3 is 120-260 mm, the diameter of the wire is 0.2-0.6 mm, the double-hook-shaped positioning wire adopts a braiding mode, and the positioning wire is made of nickel-titanium memory alloy, has high strength, has super elasticity, is not easy to fuse and has a repeated positioning function.
The clinical application method comprises the following steps: opening the package, tearing the limit glue card 4, removing the protective sleeve 5, checking whether the positioning wire head end 301 exposes the needle point of the guide needle 1, and if the positioning wire head end 301 exposes the needle point of the guide needle 1, carefully and slowly stretching the torsion fixer 2 backwards until the positioning wire head end 301 is immersed into the guide needle 1; under the guidance of X-ray or ultrasonic, confirming a puncture angle and a puncture path, wherein the puncture path needs to avoid important structures such as blood vessels; measuring distance: distance is the distance from the skin surface to the breast nodule; selecting a product with a corresponding specification according to the measured distance; the guide needle 1 is used for puncturing tissues under local anesthesia, the puncture depth is confirmed through the scale mark of the tube body of the puncture guide tube 102, and the X-ray or ultrasonic scanning is repeated, so that the needle point of the guide needle 1 is ensured to be near the breast nodule. Pushing the torsion fixer 2 to the end of the needle handle 101, completely releasing the positioning wire head 301, if the first positioning is inaccurate, carefully and slowly stretching the torsion fixer 2 backwards to enable the mark of the guide tube 201 to be level with the end of the needle handle 101, and recovering the positioning wire 3 into the guide needle 1 for repositioning; after the release of the positioning wire head end 301 is completed, keeping the guide needle 1 still, pinching the torque fixer cap 2, unscrewing the torque handle 203 anticlockwise, taking out the torque fixer 2 along the positioning wire tail end 302, slowly withdrawing the guide needle 1 backwards until the whole guide needle 1 is withdrawn from the body, and after the positioning is completed, cutting off the overlong part of the exposed body surface and reserving 6-10cm or covering and fixing by sterile gauze; after positioning, a tuberectomy should be performed within 24 hours.
In addition, the torsional fixer is carved with a mark 204, the mark 204 can be used as a recycling mark point for repeatedly positioning a positioning wire in a round shape and a pagoda shape, the head end of the positioning wire is recycled, and the positioning wire just falls into the puncture guide tube, so that the problem of incomplete tissue scratch caused by recycling is avoided. The length of the guide tube of the double-hook-shaped positioning wire is slightly longer than the head end of the positioning wire, the length of the guide tube is used as a mark, and the head end of the positioning wire is retracted.
The foregoing has outlined the detailed description of the embodiments of the present utility model, and the detailed description of the embodiments and the embodiments of the present utility model has been provided herein by way of illustration of specific examples, which are intended to be merely illustrative of the principles of the embodiments of the present utility model.
Claims (1)
1. The utility model provides a novel soft tissue focus locator, includes guide pin (1), twists reverse fixer (2), positioning wire (3), spacing glues card (4) and protective sheath (5), its characterized in that: the front end of the needle handle of the guide needle (1) is detachably connected with a protective sleeve (5), a torsion fixer (2) is inserted into the needle hole of the guide needle (1), a positioning wire (3) is arranged in the torsion fixer (2), a limiting adhesive clip (4) is adhered and bonded on the torsion fixer (2), the head end (301) of the positioning wire is round, and the extension length of the round head is 10-22 mm; the medical positioning wire comprises a positioning wire head end (301) and a positioning wire tail end (302), wherein the positioning wire head end (301) is of a pagoda shape, the pagoda-shaped stretching length is 15-30 mm, the positioning wire head end (301) is of a double-hook-shaped structure, the double-hook-shaped stretching length is 3-10 mm, the circular positioning wire (3) comprises a positioning wire head end (301) and a positioning wire tail end (302), the positioning wire head end (301) and the positioning wire tail end (302) are integrally formed, the positioning wire (3) is made of nickel-titanium memory alloy, the positioning wire head end (301) and the positioning wire tail end (302) are fixedly connected with a terminal (303) between the positioning wire head end (301) and the positioning wire tail end (302), the terminal (303) is made of stainless steel wire (301), and the positioning wire (3) is made of stainless steel wire (302); the outer edge of the terminal (303) is attached to the inner diameter of a needle tube of the guide needle (1), the guide needle (1) comprises a needle handle (101) and a puncture guide tube (102), the front end of the needle handle (101) is fixedly connected with the puncture guide tube (102), the puncture guide tube (102) is made of stainless steel, a graduated scale is arranged on a tube body of the puncture guide tube (102), a 10mm region of the head of the puncture guide tube (102) is subjected to sand blasting treatment, the torsion fixer (2) comprises a guide tube (201), one end of the guide tube (201) is fixedly connected with a torque fixing cap (202), a circular hole is formed in the middle of the torque fixing cap (202) and the middle of the torque handle (203), and the guide tube (201) is communicated with the circular hole; the torsion fixer (2) is carved with a mark (204), the limit adhesive card (4) is a single-sided adhesive sheet, the limit adhesive card (4) is positioned between the guide needle (1) and the torsion fixer (2), and the front end and the rear end of the limit adhesive card (4) are respectively attached to the rear part of the guide needle (1) and the front part of the torsion fixer (2).
Priority Applications (1)
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CN202321534177.0U CN221060790U (en) | 2023-06-15 | 2023-06-15 | Novel soft tissue focus locator |
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CN202321534177.0U CN221060790U (en) | 2023-06-15 | 2023-06-15 | Novel soft tissue focus locator |
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CN221060790U true CN221060790U (en) | 2024-06-04 |
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CN202321534177.0U Active CN221060790U (en) | 2023-06-15 | 2023-06-15 | Novel soft tissue focus locator |
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