Heat treatment device for medical apparatus and instruments

Abstract

The utility model discloses a medical instrument heat treatment device which comprises at least one fixing rod, and at least one end of the fixing rod is provided with a shielding plate. A plurality of bearing mechanisms are distributed on the fixing rod in the radial direction of the fixing rod, a plurality of bearing units are distributed on each bearing mechanism, and the bearing units are used for fixing medical instruments to be treated. The medical instrument to be treated is arranged on the core needle, the size is small, and the utilization rate in the heat treatment device can be effectively improved. Meanwhile, the heat absorption capacity of the core needle is small, the heat loss in the device is reduced, the instrument subjected to heat treatment is uniformly heated, the heat treatment effect is improved, oxidation of the surface of the instrument can be effectively reduced through the additionally arranged shielding plate, the to-be-treated medical instrument can be effectively protected, and the performance of the to-be-treated medical instrument is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a medical instrument heat treatment device. BACKGROUND

[0002] Part of the cylinder or has the rotation structure and part other hollow medical instruments, such as dense net support, take bolt support, etc., all need to change the performance of heat affected zone by heat treatment to improve its performance in all aspects.

[0003] In the related art, although there are various devices for heat treatment of the above medical instruments, there are still the following deficiencies:

[0004] First, the structure of part of the device is too large, and the utilization rate of the device is not high due to too many inserted baffles.

[0005] Second, the structure of part of the device is complex, which causes uneven heating of the medical instrument and slow temperature rising rate.

[0006] Third, part of the device has high requirement for the vacuum degree of the heating furnace, otherwise the medical instrument is easy to be oxidized, which affects the heat treatment effect. INVENTION CONTENTS

[0007] The utility model discloses a medical instrument heat treatment device to solve the above problems.

[0008] The utility model discloses a medical instrument heat treatment device to solve the above problems.

[0009] A medical instrument heat treatment device, comprising at least one fixed rod, at least one end of the fixed rod is provided with a shielding plate;

[0010] The fixed rod is distributed with a plurality of bearing mechanisms along its radial direction, a plurality of bearing units are distributed on each bearing mechanism, and the bearing unit is used for fixing the medical instrument to be treated.

[0011] As a further description of the above technical scheme, the upper end of the shielding plate is fixed with a lifting hook at the upper end of the fixed rod.

[0012] As a further description of the above technical scheme, the shielding plate is provided with multiple layers, a center hole is formed at the center of each shielding plate, a plurality of slits or holes are uniformly formed on the surface of the shielding plate, and the lifting hook penetrates the center hole.

[0013] As a further description of the above technical scheme, the bearing mechanism is a bearing chassis, and a plurality of openings are uniformly formed on the surface of the bearing chassis.

[0014] The bearing unit is a core needle, the core needle is a double straight rod structure, and the core needle is connected with the bearing base through an opening.

[0015] As further description of the above technical solution, the diameter of the single cylinder in the core needle is 0.5-1mm.

[0016] As further description of the above technical solution, the bearing mechanism is a bearing base.

[0017] The bearing unit is a core needle, the core needle is a single rod structure.

[0018] As further description of the above technical solution, the core needle is fixed with the bearing base through a nut or welding.

[0019] As further description of the above technical solution, the fixed rod comprises a fixed rod one and a fixed rod two, both ends of the fixed rod one are inner nut structures, one end of the fixed rod one is connected with the hook, the other end of the fixed rod one is connected with the fixed rod two, and the bearing mechanism is fixed between the fixed rod one and the fixed rod two.

[0020] As further description of the above technical solution, one end of the fixed rod is connected with a connecting shaft one, the other end of the fixed rod is connected with a connecting shaft two, and the bearing mechanism is a plurality of inclined holes uniformly distributed on the surface of the fixed rod.

[0021] The bearing unit is a core needle, one end of the core needle is inserted into the inclined hole.

[0022] As further description of the above technical solution, the angle between the central axis of the core needle and the central axis of the fixed rod is greater than 30 degrees and less than 90 degrees.

[0023] The beneficial effects of the utility model are as follows:

[0024] The utility model arranges the medical instrument to be treated on the core needle, the core needle has simple structure and small size, reduces the space occupation in the heat treatment device, and can effectively improve the utilization rate in the heat treatment device.

[0025] Meanwhile, the core needle itself has small heat absorption, reduces the heat loss in the device, has small influence on the heat effect of the medical instrument to be treated, makes the instrument to be treated uniformly heated, and improves the heat treatment effect.

[0026] And the shielding plate can effectively reduce the oxidation of the surface of the instrument, and the reduction effect of the shielding plate can effectively protect the medical instrument to be treated, thereby improving the performance of the medical instrument to be treated.

[0027] In order to more clearly illustrate the structural features and effects of the present application, the present application will be described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a perspective view of a medical instrument heat treatment device according to an embodiment one of the present application;

[0029] Figure 2 is an exploded view of the cooperation of the fixed rod, the bearing chassis and the core needle in the medical instrument heat treatment device according to the embodiment one of the present application;

[0030] Figure 3 is a schematic view of the shielding plate in the medical instrument heat treatment device according to the embodiment one of the present application;

[0031] Figure 4 is a schematic view of the lifting hook in the medical instrument heat treatment device according to the embodiment one of the present application;

[0032] Figure 5 is a perspective view of a medical instrument heat treatment device according to an embodiment two of the present application;

[0033] Figure 6 is a schematic view of the cooperation of the core needle and the bearing chassis in the medical instrument heat treatment device according to the embodiment two of the present application;

[0034] Figure 7 is a perspective view of a medical instrument heat treatment device according to an embodiment three of the present application;

[0035] Figure 8 is a schematic view of the cooperation of the core needle and the bearing chassis in the medical instrument heat treatment device according to the embodiment three of the present application;

[0036] Figure 9 is a perspective view of a medical instrument heat treatment device according to an embodiment four of the present application;

[0037] Figure 10 is a schematic view of the cooperation of the core needle and the fixed rod in the medical instrument heat treatment device according to the embodiment four of the present application;

[0038] Figure 11 is a perspective view of a medical instrument heat treatment device according to an embodiment five of the present application;

[0039] Figure 12 is a perspective view of a medical instrument heat treatment device according to an embodiment six of the present application.

[0040] Reference signs: 1, fixed rod; 101, fixed rod one; 102, fixed rod two; 2, shielding plate; 201, slit; 202, hole; 203, center hole; 3, bearing chassis; 4, core needle; 5, opening; 6, round hole; 7, base; 8, lifting hook; 9, connecting shaft one; 10, connecting shaft two; 11, inclined hole; 12, fixed nut; 13, fixed part; 14, fixed hole. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model.

[0042] As shown in the drawings, Figures 1-4 In one embodiment, a medical instrument heat treatment device includes at least one fixed rod 1, at least one end of the fixed rod 1 is provided with a shielding plate 2.

[0043] The fixed rod 1 is distributed with a plurality of bearing mechanisms along its radial direction, and each bearing mechanism is distributed with a plurality of bearing units, which are used for fixing the medical instruments to be treated such as dense mesh stents. In this embodiment, the bearing mechanism is a bearing chassis 3, and the bearing unit is a core needle 4. The bearing chassis 3 is provided with an opening 5 for the core needle 4 to pass through and be fixed, wherein the core needle 4 is a double straight rod structure, the holes of the bearing chassis 3 are arranged uniformly in the circumference, and the bottom round hole 6 connected with the core needle 4 can be fixed vertically on the end face of the bearing chassis 3 by means of screws.

[0044] A round hole 6 is formed at the center of the bearing chassis 3, one end of the fixed rod 1 is a male threaded section, the male threaded section is inserted into the round hole 6, and is fixed by means of a nut, so as to fix the bearing chassis 3 on the fixed rod 1. The other end of the fixed rod 1 is a nut section, which can cooperate with the male threaded section to extend the length of the fixed rod 1, so as to fix a plurality of bearing chassis 3. The core needle 4 is inserted into the opening 5 of the bearing chassis 3, a screw passes through the through hole of the double straight rod structure core needle 4, so as to fix the core needle 4 on the bearing chassis 3, and then the medical instrument to be treated such as the dense mesh stent is sleeved on the core needle 4 to achieve the supporting effect.

[0045] Optionally, the core needle 4 is a cylindrical structure, and the diameter thereof is preferably 0.5-1mm. The larger the size of the core needle 4 is, the larger the contact area of the core needle 4 with the medical instrument to be treated is, and the greater the thermal effect is. In this embodiment, the size of the core needle 4 is selected to be 0.5-1mm, which can support the dense mesh stent while reducing the influence of the thermal effect.

[0046] The end of the fixed rod 1 is fixed with a base 7, which can make the heat treatment device more stable when it is placed in the furnace cavity.

[0047] Optionally, as shown in the drawings,Figure 3 As shown, the upper end of the shielding plate 2 on the upper end of the fixed rod 1 is fixed with a lifting hook 8. The lifting hook 8 can be in a curved shape or a handle shape, which can be selected according to actual needs.

[0048] Alternatively, as shown, Figure 3 In some embodiments, the shielding plate 2 can be provided with multiple layers, such as 5-15 layers, and the shielding plates 2 are stacked with each other. A central hole 203 is formed at the center of each shielding plate 2. In some embodiments, a plurality of slits 201 are uniformly formed on the surface of the shielding plate 2. In other embodiments, a plurality of holes 202 are uniformly formed on the surface of the shielding plate 2. The lifting hook 8 penetrates the central hole 203. The shielding plates 2 can be stacked by the cooperation of the threads on the surface of the lifting hook 8 and the bolts. For example, a bolt is arranged between adjacent shielding plates 2 to prevent the plates from moving. The shielding plate 2 can be used as a reducing material to consume the residual oxidizing substances in the heating furnace during the heat treatment of the medical devices, thereby protecting the medical devices to be treated. In some embodiments, the shielding plate 2 can be made of a reactive metal material, such as stainless steel, tungsten, its aluminum alloy, copper, etc. The shielding plate 2 has a certain reducing performance to reduce the oxidizing substances (such as oxygen) in the furnace and reduce the oxidation of the surface of the devices. In actual use, the shielding plate 2 needs to be used after the oxidation on the surface is removed. The holes 202 or slits 201 can increase the surface area of the shielding plate 2 for reduction, thereby improving the reducing performance to a certain extent. Meanwhile, the shielding plate 2 is provided with multiple layers, which can increase the surface of the reducing material in contact with the air in the furnace in a limited space, thereby effectively improving the protection of the medical devices to be treated.

[0049] As shown, Figures 5-6 In one embodiment, a medical device heat treatment device is provided. Different from the previous embodiment, in this embodiment, the bearing mechanism is a bearing base 3, and the bearing unit is a core needle 4. The core needle 4 is in a single rod structure. Meanwhile, in this embodiment, the fixed rod 1 is a fixed screw rod, and the rod body of the fixed rod 1 is in a threaded structure, which can cooperate with a fixed nut 12. The bearing base 3 is fixed on the screw rod through the fixed nut 12. The bearing base 3 is at least one layer. In some embodiments, the bearing base 3 can be 2, 3, or 4 layers. The adjacent bearing bases 3 are distributed at equal distances, which can effectively improve the space utilization of the furnace. Meanwhile, the core needles 4 are uniformly and circumferentially distributed on the bearing base 3 and are perpendicular to the end surface of the bearing base 3. The adjacent core needles 4 are distributed at equal distances. The core needle 4 and the bearing base 3 can be fixed by a nut or welding. The nut fixing has a detachable property, which is convenient for cleaning and replacing the parts of the device in the later stage. The shielding plate 2 is directly fixed on both ends of the fixed screw rod by the nut.

[0050] Optionally, as Figure 6 shown, in the core needle 4 is L-shaped structure, in the bottom of the core needle 4 is provided with a fixed hole 14, and on the surface of the bearing chassis 3 is circularly distributed with a group of open hole 5 for passing through the core needle 4 and the fixed hole 14 for fixing the core needle 4.

[0051] As Figures 7-8 shown, in one embodiment, a medical instrument heat treatment device, unlike the previous embodiment, in this embodiment, the fixed rod 1 includes fixed rod one 101 and fixed rod two 102, both ends of the fixed rod one 101 are inner nut structure, one end of the fixed rod 1 is connected with the hook 8, wherein the threaded structure on the hook 8 and the fixed rod one 101 can be used to fix the shielding plate, the other end of the fixed rod 1 is connected with the fixed rod two 102, the bearing mechanism is fixed between the fixed rod one 101 and the fixed rod two 102, the bearing mechanism is the bearing chassis 3, the number of bearing chassis is increased by the repeated connection of the fixed rod one 101 and the fixed rod two 102, in some embodiments, the bearing chassis is 2, 3, 4 layers. In some embodiments, one end of the fixed rod two 102 can also be used to connect and fix the shielding plate 2 and the base 7, wherein the bearing chassis 3 is provided with a hole for the core needle 4 to pass through, the hole is arranged uniformly in the circumference, the core needle 4 is vertically fixed on the bearing chassis 3, wherein the structure of the core needle 4 is adapted to the structure of the bearing chassis 3.

[0052] For example, the bearing chassis 3 is provided with a three-layer structure, the core needle 4 passes through the upper layer of the bearing chassis 3, and the core needle 4 is fixed by the fixed part 13.

[0053] As Figures 9-10 shown, in one embodiment, a medical instrument heat treatment device, unlike the previous embodiment, in this embodiment, one end of the fixed rod 1 is connected with the connecting shaft one 9, the other end of the fixed rod 1 is connected with the connecting shaft two 10, the bearing mechanism is a number of annularly distributed inclined holes 11 distributed on the fixed rod 1; at the same time, one end of the connecting shaft one 9 is connected with the fixed rod 1, the other end is connected with the hook 8, the hook 8 and the connecting shaft one 9 are fixed with a number of shielding plates 2 through the nut. One end of the connecting shaft two 10 is connected with the fixed rod 1, the other end is connected with the base 7, the base 7 and the connecting shaft two 10 are fixed with a number of shielding plates 2 through the nut.

[0054] The bearing unit is the core needle 4, one end of the core needle 4 is inserted into the inclined hole 11.

[0055] As Figure 11As shown in the figure, in one embodiment, different from the previous embodiment, in the present embodiment, the bearing mechanism is a plurality of inclined holes 11 evenly distributed in a spiral manner, the core needle 4 is inserted into the inclined hole 11, and the medical device to be treated is fixed on the core needle 4. One end of the connecting shaft I 9 is connected with the fixed rod 1, and the other end is connected with the hook 8. The hook 8 and the connecting shaft I 9 are fixed by a plurality of nuts. One end of the connecting shaft II 10 is connected with the fixed rod 1, and the other end is connected with the base 7. The base 7 and the connecting shaft II 10 are fixed by a plurality of nuts.

[0056] In some embodiments, the angle between the central axis of the core needle 4 and the central axis of the fixed rod 1 is greater than 30 degrees and less than 90 degrees. In other embodiments, the core needle 4 is horizontally and evenly distributed on the fixed rod 1, and the angle between the core needle 4 and the fixed rod 1 is greater than 30 degrees and less than 90 degrees.

[0057] As shown in the figure, Figure 12 In one embodiment, a medical device heat treatment device, different from the previous embodiment, in the present embodiment, the heat treatment device is suitable for a horizontal furnace, which includes a horizontally arranged fixed rod 1, and the fixed rod 1 is connected with a connecting shaft I 9 and a connecting shaft II 10 at both ends, respectively. The connecting shaft I 9 and the connecting shaft II 10 are connected with a plurality of layers of shielding plates 2 at both ends, respectively. The connecting shaft I 9 or the connecting shaft II 10 is connected with a hook 8. In the present embodiment, the bearing mechanism is a plurality of inclined holes 11 distributed on the fixed rod 1, and the bearing unit is a core needle 4. The core needle 4 is inserted into the inclined hole 11, so that the core needle 4 presents a trend of being distributed in two staggered rows upward, for bearing the medical device to be treated.

[0058] Optionally, in the present embodiment, the fixed rod 1, the connecting shaft I 9 and the connecting shaft II 10 can be provided in multiple groups, preferably three groups. Therefore, the bearing mechanism and the bearing unit are also provided in three groups. In other embodiments, more groups can be provided according to the specific space size, such as four groups, five groups, etc.

[0059] Optionally, the shielding plate 2 can be approximately rectangular in structure, and a plurality of groups of holes 202 are evenly arranged on the shielding plate 2, which can improve the reduction surface area and effectively improve the reduction performance.

[0060] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A medical instrument heat treatment apparatus, characterized by, The fixed rod is provided with a shielding plate at least at one end thereof. The fixed rod is provided with a plurality of groups of bearing mechanisms distributed along the radial direction of the fixed rod, and each bearing mechanism is provided with a plurality of bearing units for fixing the medical devices to be treated.

2. The medical instrument heat treatment apparatus of claim 1, wherein, The upper end of the shielding plate at the upper end of the fixed rod is fixed with a lifting hook.

3. The medical instrument heat treatment apparatus of claim 2, wherein, The shielding plate is provided with a plurality of layers, and a central hole is formed at the center of each layer of the shielding plate.

4. The medical instrument heat treatment apparatus of claim 1, wherein, The surface of the shielding plate is uniformly provided with a plurality of slits or holes. The bearing mechanism is a bearing chassis, and the surface of the bearing chassis is uniformly provided with a plurality of openings.

5. The medical instrument heat treatment apparatus of claim 4, wherein, The bearing unit is a core needle, and the core needle has a double-straight-rod structure.

6. The medical instrument heat treatment apparatus of claim 1, wherein, The diameter of the single cylinder in the core needle is 0.5-1mm. The bearing mechanism is a bearing chassis.

7. The medical instrument heat treatment apparatus according to any one of claims 4 or 6, wherein The bearing unit is a core needle, and the core needle has a single-rod structure.

8. The medical instrument heat treatment apparatus of claim 2, wherein, The core needle and the bearing chassis are fixed by a nut or welding.

9. The medical instrument heat treatment device of claim 1, wherein, The fixed rod includes a fixed rod one and a fixed rod two. The two ends of the fixed rod one are both inner nut structures.

10. The medical instrument heat treatment apparatus of claim 9, wherein, The end of the fixed rod one is connected with the lifting hook. The other end of the fixed rod is connected with the fixed rod two. The bearing mechanism is fixed between the fixed rod one and the fixed rod two. The end of the fixed rod is connected with a connecting shaft one, and the other end of the fixed rod is connected with a connecting shaft two. The bearing mechanism is a plurality of inclined holes uniformly distributed on the surface of the fixed rod. The bearing unit is a core needle, and one end of the core needle is inserted into the inclined hole. The angle between the central axis of the core needle and the central axis of the fixed rod is greater than 30 degrees and less than 90 degrees.

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