CN209778948U - Heat treatment die for spring ring for aneurysm treatment - Google Patents
Heat treatment die for spring ring for aneurysm treatment Download PDFInfo
- Publication number
- CN209778948U CN209778948U CN201920433037.1U CN201920433037U CN209778948U CN 209778948 U CN209778948 U CN 209778948U CN 201920433037 U CN201920433037 U CN 201920433037U CN 209778948 U CN209778948 U CN 209778948U
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- coil
- spiral
- stainless steel
- heat treatment
- mandrel
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 64
- 206010002329 Aneurysm Diseases 0.000 title claims abstract description 49
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 41
- 239000010935 stainless steel Substances 0.000 claims abstract description 37
- 238000004804 winding Methods 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 11
- 208000005189 Embolism Diseases 0.000 abstract description 7
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 208000015181 infectious disease Diseases 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract description 3
- 230000003647 oxidation Effects 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 3
- 208000027418 Wounds and injury Diseases 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000010102 embolization Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000032851 Subarachnoid Hemorrhage Diseases 0.000 description 1
- 208000007536 Thrombosis Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 201000011066 hemangioma Diseases 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Abstract
the utility model belongs to the technical field of medical instrument, concretely relates to heat treatment mould of spring coil for aneurysm treatment, include: the mandrel is a cylinder made of stainless steel material; the spiral turn part is a spiral coil made of stainless steel materials, and the axial distances between the centers of two adjacent coils in the spiral coil are equal; the spiral turn part is sleeved on the mandrel and is welded and fixed with the mandrel, coils of the spiral turn part are uniformly distributed on the mandrel, and gaps among the coils are suitable for winding spring rings. The gap for winding the spring ring in the heat treatment die disclosed by the utility model has the advantages of simple processing, high precision and low cost; simultaneously, select for use dabber and the spiral coil of stainless steel material, oxidation in the heat treatment process can further be reduced and heavy metal remains when other metal material heat treatment for the spring coil impurity of processing is less, avoids the infection to the human body in the embolism in-process.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to heat treatment mould of spring coil for aneurysm treatment.
background
The aneurysm is a hemangioma-like protrusion generated by abnormal change of local blood vessels of the artery, and the main symptoms are subarachnoid hemorrhage caused by aneurysm rupture and high death rate. With the increasing aging of the population in China, more and more patients with aneurysms are in need, and the patients may have life risks at any time without a better treatment method. The treatment of aneurysm is always a hot problem in the field of interventional therapy, and the current mainstream treatment methods include simple spring coil embolization treatment, balloon-assisted spring coil treatment, stent-assisted spring coil treatment, blood flow guiding device treatment and the like, wherein the spring coil is an effective embolization device for treating various aneurysms, and is a mature treatment method for treating the aneurysm by using the most extensive interventional means. The coil ring is used for treating the aneurysm, and a plurality of coil rings are mainly filled into the aneurysm from large to small in sequence to achieve the purpose of treating the aneurysm. The safety and effectiveness of aneurysm treatment are directly related to the easy filling of embolization density, in the process of spring coil embolization of aneurysm, as the number of spring coils filled in the aneurysm cavity is increased, small irregular cavities can be separated in the cavity, and whether the small cavities can be filled with the following small-sized spring coils smoothly determines the treatment effect of aneurysm.
Different heat treatment dies and winding modes play a key role in the treatment purpose of whether the spring ring can be easily and compactly filled into the aneurysm cavity of various types of aneurysms. At present, large-specification plug spring rings on the market are mostly formed by heat treatment molding through a turning processing mold and then winding, and the processing mode is also suitable for processing small-specification spring rings. But because the diameter of the embolism spring ring for aneurysm treatment is very small, the diameter of the heat treatment die for heat treatment molding is smaller, so that the turning processing difficulty of the heat treatment die is high, the cost is high, and the precision of the processing die cannot be ensured during turning processing, thereby influencing the processing precision of the embolism spring ring.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat treatment mould of spring coil, especially small dimension spring coil for aneurysm treatment to solve the problem that the lathe work heat treatment mould degree of difficulty is big among the prior art, the precision is little.
the utility model provides a heat treatment mould of spring coil for aneurysm treatment, include: the mandrel is a cylinder made of stainless steel material; the spiral turn part is a spiral coil made of stainless steel materials, and the axial distances between the centers of two adjacent coils in the spiral coil are equal; the spiral turn part is sleeved on the mandrel and is welded and fixed with the mandrel; the coils of the spiral turn part are uniformly distributed on the mandrel, a gap is arranged between every two adjacent coils, a spiral groove is formed in the gap on the mandrel, and the spiral groove is suitable for winding the spring ring.
In the heat treatment mold for a coil for aneurysm treatment as described above, it is preferable that the spiral turn portion is cut from a stainless steel tube.
In the heat treatment mold for a coil for aneurysm treatment as described above, preferably, the spiral turn portion is formed by winding a stainless steel wire material, and the stainless steel wire material is a stainless steel round wire or a stainless steel flat wire.
The heat treatment mold for the coil for aneurysm treatment as described above, further preferably, the thickness of the helical coil in the helical turn portion is 0.1 to 0.5 mm.
The heat treatment mold for a coil for aneurysm treatment as described above is further preferably such that the width of the helical coil in the helical turn portion is 0.5 to 2 mm.
The heat treatment mold for the coil for aneurysm treatment as described above is further preferably such that the axial distance between the centers of two adjacent coils in the spiral turn portion is 0.5 to 2 mm.
The heat treatment mold for the coil for aneurysm treatment as described above, further preferably, the end shafts are located at both ends of the central shaft, the diameter of the end shafts is smaller than that of the central shaft, and the connecting position of the end shafts and the central shaft is tapered; the spiral turn part is sleeved on the central shaft.
In the heat treatment mold for a coil for aneurysm treatment as described above, it is further preferable that the ratio of the diameter of the end shaft to the diameter of the central shaft is 0.75.
The heat treatment mold for the coil for aneurysm treatment as described above, further preferably, the central shaft has a diameter of 0.4mm to 3.4 mm.
Compared with the prior art, the utility model has the following advantage:
The utility model discloses a dabber and spiral circle portion of winding have been set up, and wherein the dabber is the cylinder, and the spiral is around the spiral coil that is rectangular shape of circle portion, and spiral line snare dress is at the spindle to with dabber welded fastening, and the coil is at spindle evenly distributed, and then form the clearance that is used for twining the spring coil. The heat treatment die comprising the mandrel and the spiral turn-winding part has the same structure as the processing die manufactured by the existing turning processing, and is provided with gaps for winding the spring ring, so that the heat treatment processing of the spring ring is realized, but compared with the heat treatment die in the prior art which adopts the processing mode of turning threads, the heat treatment die for winding the spring ring has the advantages of simple processing, high precision and low cost; meanwhile, the heat treatment die is made of the mandrel and the spiral coil which are made of stainless steel materials, so that oxidation in the heat treatment process and heavy metal residues in the heat treatment of other metal materials can be further reduced, impurities in the processed spring ring are less, and infection to a human body in the embolism process is avoided.
Drawings
FIG. 1 is a schematic structural view of a heat treatment mold for a small-sized coil for treating medium aneurysms according to the present invention and a winding manner of the coil;
FIG. 2 is another schematic structural view of the heat treatment mold for small-sized coils for treating medium aneurysms according to the present invention and the winding manner of the coils;
FIG. 3 is a schematic view of a heat treatment mold having a plurality of spiral turn portions;
FIG. 4 is a comparison of spring coil profiles of the same specification and different gaps;
FIG. 5 is a graph showing the comparison of the flexibility of spring coils of the same specification and different gaps;
FIG. 6 is a schematic view of the aneurysm filling with a plurality of large coils to form a cavity;
FIG. 7 is an illustration of the cavity of FIG. 6 filled with one effect of a small gauge coil;
FIG. 8 is another illustration of the cavity of FIG. 6 being filled with a small gauge coil.
Description of reference numerals:
10-heat treatment die, 11-center axis, 12-end axis, 13-spiral turn portion, 20-spring ring.
Detailed Description
the technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
as shown in FIGS. 1-3, the present embodiment discloses a heat treatment mold for small-gauge coils for aneurysm treatment, comprising: the mandrel is a cylinder made of stainless steel material; the spiral turn part 13 is a spiral coil made of stainless steel material, and the axial distances between the centers of two adjacent coils in the spiral coil are equal; the spiral turn part 13 is sleeved on the mandrel and is welded and fixed with the mandrel; the coils of the spiral turn portion 13 are uniformly arranged on the mandrel, a gap is formed between every two adjacent coils, a spiral groove is formed in the gap on the mandrel, and the spiral groove is suitable for winding the spring ring 20.
in the above structure, the heat treatment mold 1 including the mandrel and the spiral turn portion 13 has the same structure as the existing turning mold, has a gap for winding the spring ring 20, realizes the heat treatment of the spring ring 20, and adopts the thread turning processing mode compared with the prior art, the heat treatment mold 1 for winding the spring ring 20 has the advantages of simple processing, high precision and low cost; meanwhile, the heat treatment die 1 is made of a mandrel and a spiral coil made of stainless steel materials, so that oxidation in the heat treatment process and heavy metal residues in the heat treatment of other metal materials can be further reduced, impurities in the processed spring ring 20 are less, and infection to a human body in the embolism process is avoided.
Further, as shown in fig. 1, in the above structure, the spiral turn portion 13 is cut from a stainless steel pipe; alternatively, as shown in fig. 2, the spiral turn portion 13 is formed by winding a stainless steel wire material, which is a stainless steel round wire or a stainless steel flat wire. The present embodiment discloses two manufacturing methods of the spiral turn portion 13, as shown in fig. 1, one of them is obtained by laser engraving a stainless steel tube, and when cutting, a gap is provided between two adjacent coil structures, and the shape of the formed spiral turn portion 13 is the same as that of a hypotube, and has a relatively wide coil, and when welding and fixing with the mandrel, the spiral turn portion 13 is located on the surface of the mandrel, the structure is similar to an external thread, and the gap between two adjacent coils is spiral, and is used for winding the spring ring 20. As shown in fig. 2, another spiral turn portion 13 is formed by winding a stainless steel round wire or a stainless steel flat wire around the mandrel to form a spiral coil, and then welding and fixing the spiral coil with the mandrel; wherein, because of the diameter of stainless steel round wire is less, when actually twining, can adopt many stainless steel round wires to twine side by side simultaneously. In two kinds of modes, the hardness of coil is lower in the spiral line circle that stainless steel circle line or stainless steel flat wire winding formed, conveniently twines on the dabber, and kick-backs lessly for the size of thermal treatment mould 1 is more accurate. The strength of the spiral turn part 13 carved by the stainless steel pipe can be automatically controlled, and compared with winding, the spiral turn part 13 carved by laser has no resilience and higher precision.
As shown in fig. 1-3, in the heat treatment mold for small-gauge coils for aneurysm treatment disclosed in this embodiment, the mandrel includes a central shaft 11 and an end shaft 12; the end shafts 12 are positioned at two ends of the central shaft 11, the diameter of the end shafts 12 is smaller than that of the central shaft 11, and the connecting position of the end shafts 12 and the central shaft 11 is in a conical shape; the spiral turn part 13 is sleeved on the central shaft 11 and is preferably fixed from the connecting position of the central shaft 11; one spiral turn portion 13 may be fitted around one central shaft 11, or a plurality of spiral turn portions 13 may be fitted around the central shaft 11 at intervals, as shown in fig. 3. The central shaft 11 and the end shaft 12 with different diameters are mainly used for arranging the end shaft 12 for hand holding, and meanwhile, the end shaft 12 is suitable for providing a conical connection position, in the embodiment, when the spring ring 20 is wound on the self-heating treatment die 1 from the conical connection position, the end part of the spring ring 20 is firstly subjected to 1-2 times of dense winding at the conical position and then naturally wound in the gap of the spiral turn part 13, at the moment, the first turn of the spring ring 20 is subjected to diameter-changing treatment, namely, the diameter of the first turn of the spring ring 20 is reduced, and the arrangement is suitable for avoiding the spring ring 20 from being disassembled. Set up a plurality of independent spirals in interval on the center pin 11 and wind circle portion 13 and be suitable for carrying out the coiling of more groups of spring coils 20 simultaneously, improve heat treatment efficiency, simultaneously, a plurality of independent helical structure length can be inconsistent, and then can the coiling handle spring coil 20 of different length. Preferably, the diameter of the central shaft 11 is 2mm, the ratio of the diameter of the end shaft 12 to the diameter of the central shaft 11 is 75%, and of course, the diameter of the central shaft 11 can be any value from 0.4mm to 3.4mm under the influence of the spring ring 20 specification, and the spring rings 20 of all ring diameter specifications from 1.0mm to 4.0mm are suitable to be obtained, including all specifications for each 0.5mm increase.
further, in the heat treatment mold for the small-gauge coil for aneurysm treatment disclosed in this embodiment, the thickness of the stainless steel tube or the stainless steel wire in the spiral turn portion 13 is 0.1 to 0.5 mm; the width of the coil in the spiral turn part 13 is 0.5-2mm, and the axial distance between the centers of two adjacent spiral coils in the spiral turn part 13 is 0.5-2 mm. The width of the spiral coil refers to the width of a single coil, and refers to the width of a single coil on the engraved stainless steel pipe, or the width of a stainless steel wide wire, or the width of a plurality of stainless steel round wires arranged side by side after being wound. The thickness of the spiral turn part 13 is the thickness of a stainless steel pipe or a stainless steel wide wire, or the diameter of a stainless steel round wire. By controlling the above values, the heat treatment mold 1 for treating the spring ring 20 with various specifications can be matched, and the gap between adjacent coils of the spring ring 20 can be further controlled, so that the spring ring has different softness requirements.
as shown in fig. 3, in actual use, the coil spring 20 is wound from the end of the central shaft 11, and the first coil of the first wound coil spring 20 is wound at the tapered connection position of the central shaft 11 and the end shaft 12, and then is tightly wound in the gap of the spiral turn portion 13 to a specified length, which is the first coil spring 20 wound on the heat treatment mold 1. Then, the above operation is repeated, and the second spring ring 20 and the third spring ring 20 are wound in the gap which is not full of the first spring ring 20 until the gap of the spiral turn portion 13 is full of the spring ring 20. If the central shaft 11 is provided with a plurality of independent spiral turn portions 13 at intervals, the other spiral turn portions 13 are continuously wound until the whole heat treatment mold 1 is wound with the coil spring 20. Then the heat treatment die 1 is moved to a designated container for heat treatment forming, and the treated spring ring 20 is taken down, thereby obtaining the spring ring 20 with the designated specification. Thereby obtaining the spring rings 20 with different specifications of the rings and the spring rings 20 with different gaps of the rings.
FIG. 4 shows three types of ring gap coils 20(a), (b), and (c), and FIG. 5 shows the bending of the coils 20(a), (b), and (c), as can be seen from FIGS. 4-5, the larger the ring gap, the more flexible the coil 20.
the small gauge coils 20 disclosed in this embodiment are then used to fill the aneurysm void as shown in fig. 6 filled with large gauge coils 20, resulting in both the effects of fig. 7 and fig. 8, with the filling effect shown in fig. 8 being better for thrombus treatment.
compared with the prior art, the utility model discloses a heat treatment mould of small-size spring coil for aneurysm treatment has following beneficial effect:
Compared with the traditional small-specification 2D spring coil heat treatment mold for turning thread processing, which has the advantages of high processing difficulty, low precision, high cost and low heat treatment efficiency, the heat treatment mold for the small-specification spring coil for treating the aneurysm, provided by the utility model, is simple to manufacture, high in precision, low in cost and high in heat treatment efficiency, and further greatly improves the capacity of filling a small irregular cavity in the spring coil embolism operation process; the flexibility of the small-sized spring ring is improved, the ability of the small-sized spring ring to conform to the aneurysm is improved, the flexibility of a doctor in use is improved, so that the embolism is more compact, and the cure rate is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A heat treatment die for a coil for aneurysm treatment, comprising:
The mandrel is a cylinder made of stainless steel material;
The spiral turn part is a spiral coil made of stainless steel materials, and the axial distances between the centers of two adjacent coils in the spiral coil are equal; the spiral turn part is sleeved on the mandrel and is welded and fixed with the mandrel; the coils of the spiral turn part are uniformly distributed on the mandrel, a gap is arranged between every two adjacent coils, a spiral groove is formed in the gap on the mandrel, and the spiral groove is suitable for winding the spring ring.
2. The heat treatment mold for a coil for aneurysm treatment according to claim 1,
the spiral turn part is formed by carving a stainless steel pipe.
3. The heat treatment mold for a coil for aneurysm treatment according to claim 1,
the spiral turn part is formed by winding stainless steel wires, and the stainless steel wires are stainless steel round wires or stainless steel flat wires.
4. The heat-treatment mold for a coil for aneurysm treatment according to claim 2 or 3,
The thickness of the spiral coil in the spiral turn part is 0.1-0.5 mm.
5. the heat-treatment mold for a coil for aneurysm treatment according to claim 4,
The width of the spiral coil in the spiral turn part is 0.5-2 mm.
6. The heat-treatment mold for a coil for aneurysm treatment according to claim 5,
The axial distance between the centers of two adjacent coils in the spiral turn part is 0.5-2 mm.
7. the heat-treatment mold for a coil for aneurysm treatment according to claim 6,
The mandrel comprises a central shaft and an end shaft; the end shafts are positioned at two ends of the central shaft, the diameter of each end shaft is smaller than that of the central shaft, and the connecting position of each end shaft and the central shaft is conical;
the spiral turn part is sleeved on the central shaft.
8. The heat-treatment mold for a coil for aneurysm treatment according to claim 7,
the ratio of the diameter of the end shaft to the diameter of the central shaft is 0.75.
9. The heat-treatment mold for a coil for aneurysm treatment according to claim 8,
The diameter of the central shaft is 0.4mm-3.4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433037.1U CN209778948U (en) | 2019-04-01 | 2019-04-01 | Heat treatment die for spring ring for aneurysm treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920433037.1U CN209778948U (en) | 2019-04-01 | 2019-04-01 | Heat treatment die for spring ring for aneurysm treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209778948U true CN209778948U (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920433037.1U Withdrawn - After Issue CN209778948U (en) | 2019-04-01 | 2019-04-01 | Heat treatment die for spring ring for aneurysm treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209778948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762980A (en) * | 2019-04-01 | 2019-05-17 | 北京泰杰伟业科技有限公司 | A kind of heat treatment die of aneurysm treatment spring ring |
-
2019
- 2019-04-01 CN CN201920433037.1U patent/CN209778948U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762980A (en) * | 2019-04-01 | 2019-05-17 | 北京泰杰伟业科技有限公司 | A kind of heat treatment die of aneurysm treatment spring ring |
| CN109762980B (en) * | 2019-04-01 | 2024-03-01 | 北京泰杰伟业科技股份有限公司 | Heat treatment die of spring ring for aneurysm treatment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 101204 building 4, yard 21, Panlong West Road, Mafang Town, Pinggu District, Beijing Patentee after: Beijing Taijieweiye Technology Co.,Ltd. Address before: 101200 building 4, courtyard 21, Panlong West Road, Pufeng medical innovation Valley, Mafang Town, Pinggu District, Beijing Patentee before: BEIJING TAIJIE WEIYE TECHNOLOGY Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191213 Effective date of abandoning: 20240301 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191213 Effective date of abandoning: 20240301 |