Dividing tool for cardiovascular stent tectorial membrane
By using the slot design of the cardiovascular stent graft segmentation tool, the graft can be directly segmented with a cutting tool, which solves the problem of cumbersome segmentation operations in the existing technology and improves production efficiency and safety.
Patent Information
- Application Number
- CN202520195346.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-07
AI Technical Summary
The current process of segmenting cardiovascular stent grafts is cumbersome, difficult to operate, has low production efficiency, and is prone to scratching the graft.
A segmentation tool for cardiovascular stent grafting is used, including a base plate and a pressure plate. The pressure plate has slots, and the grafting piece is directly segmented at the slots by a cutting tool, which simplifies the scribing and segmentation process.
It simplifies the cutting process, saves time, improves production efficiency, avoids scratches on the coated sheets, and enhances production safety.
Smart Images

Figure CN223749701U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument technical field especially, relates to a kind of segmentation tool of cardiovascular stent covering film. BACKGROUND
[0002] Cardiovascular stent is the medical instrument commonly used in heart intervention surgery, with the effect of dredging arterial blood vessels. And the covering film of cardiovascular stent is a very important processing technology, and the segmentation of the covering film of cardiovascular stent currently mainly uses ruler to draw a line on the whole covering film sheet according to specifications, and manually segments according to the drawn line using a tool.
[0003] The existing segmentation operation of the covering film of cardiovascular stent adopts manual segmentation by ruler marking, and different specifications of products need to draw different specifications of marking lines on the whole covering film sheet using a ruler, then compare with the ruler, and segment along the marking line using a tool. Care should be taken to avoid scratching during segmentation, the whole process is complicated, the operation difficulty is large, a large amount of production time is occupied, and the production efficiency is reduced. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the shortcomings in the prior art, and provides a kind of segmentation tool of cardiovascular stent covering film.
[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of segmentation tool of cardiovascular stent covering film, comprising:
[0006] The bottom plate is provided with a pressing plate above the bottom plate;
[0007] The bottom plate is hinged to one side of the pressing plate, and the covering film sheet is pressed tightly;
[0008] The bottom plate and the pressing plate are hinged to one side of the pressing plate, and the covering film sheet is pressed tightly;
[0009] A plurality of slots are formed in the pressing plate, so that the upper end of the covering film sheet is in communication with the outside, and the covering film sheet is segmented by a tool at the slot.
[0010] As a further description of the above technical scheme: the first recess is provided on the upper end surface of the bottom plate, and the gusset plate is placed in the inner side of the first recess, and the shape of the gusset plate is matched with the shape of the first recess.
[0011] As a further description of the above technical scheme: a plurality of second recesses are provided on one side of the bottom plate, and a first threaded hole is formed in the end surface of the second recess.
[0012] As a further description of the above technical scheme: a connecting block is installed through the first threaded hole, and a second threaded hole is provided on the connecting block, coaxially arranged with the first threaded hole, and connected by screw.
[0013] As a further description of the above technical solution: the two sides of the connecting block extend to the upper side, so that a gap is formed in the middle of the connecting block, and coaxial first pin holes are arranged on the two sides of the connecting block.
[0014] As a further description of the above technical solution: the one side of the pressing plate is provided with an upwardly extending protrusion, the position of the protrusion corresponds to the position of the connecting block, and is located at the gap of the connecting block.
[0015] As a further description of the above technical solution: the protrusion is provided with a second pin hole, the second pin hole cooperates with the first pin hole, and the first pin hole and the second pin hole are connected through a pin shaft.
[0016] As a further description of the above technical solution: the upper end face of the pressing plate is provided with a handle away from the side of the protrusion.
[0017] As a further description of the above technical solution: the width of the groove hole is 1.5-2.5mm, and the spacing between any two adjacent groove holes is 2-5mm.
[0018] As a further description of the above technical solution: the length of the film sheet is less than the length of the groove hole.
[0019] The above technical solution has the following advantages or beneficial effects:
[0020] When the segmentation operation of the different specifications of the cardiovascular stent film is performed, the segmentation tool directly uses the cutter to segment along the groove hole of the pressing plate in the use process, without the need to use a ruler to draw different specifications of the marking line on the whole film sheet, thereby simplifying the process, saving time, avoiding the need to use the ruler to compare, and the cutter is easy to scratch along the marking line, and the production safety factor is improved. BRIEF DESCRIPTION OF DRAWINGS
[0021] Fig. 1 The utility model provides a segmentation tool's perspective view;
[0022] Fig. 2 The utility model provides a segmentation tool's use state diagram;
[0023] Fig. 3 The utility model provides a segmentation tool's explosion view.
[0024] LEGEND:
[0025] 1, bottom plate;11, first recess;12, backing plate;13, second recess;14, connecting block;15, first pin hole;2, pressing plate;21, protrusion;22, second pin hole;23, handle;3, film sheet;4, groove hole;5, cutter. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.
[0027] Referring to Figs. 1-3 An embodiment provided by the utility model: a kind of cardiovascular stent covering film's segmentation tool, comprising: bottom plate 1;The upper side of bottom plate 1 is provided with pressing plate 2;Bottom plate 1 and the side of pressing plate 2 are hinged, and the covering film piece 3 is compressed tightly;Several slots 4 are opened in pressing plate 2, so that the upper end of covering film piece 3 is communicated with the outside, and the compressed covering film piece 3 is segmented at slot 4 by cutter 5.
[0028] In the embodiment, when the segmentation operation of different specifications of cardiovascular stent covering film is carried out, the covering film piece 3 is placed on the spacer plate 12 on the bottom plate 1, and the covering film piece 3 is compressed tightly downward by the pressing plate 2. During the use of the segmentation tool, the cutter 5 is directly used to segment along the slot 4 on the pressing plate 2, without the need to use a ruler to draw different specifications of marking lines on the whole covering film piece 3. The process is simplified, time is saved, and the need to use a ruler to compare and the situation that the cutter is easy to scratch along the marking line during segmentation are avoided, thereby improving the production safety factor.
[0029] The upper end surface of the bottom plate 1 is provided with a first groove 11, and the spacer plate 12 is placed in the inner side of the first groove 11, and the shape of the spacer plate 12 is matched with the shape of the first groove 11.
[0030] In the embodiment, the spacer plate 12 is made of glass material and has a square structure with rounded corners, and has high flatness and is matched with the shape of the first groove 11. During the cutting of the covering film piece 3, the spacer plate 12 and the pressing plate 2 compress the covering film piece 3 tightly to prevent the covering film piece 3 from wrinkling during segmentation.
[0031] A plurality of second grooves 13 are arranged on one side of the bottom plate 1, and a first threaded hole is arranged on the end surface of each second groove 13. A connecting block 14 is installed through the first threaded hole, and a second threaded hole is arranged on the connecting block 14 and coaxially arranged with the first threaded hole and connected by a screw.
[0032] In the embodiment, the second groove 13 is used to install the connecting block 14, and the connecting block 14 is connected and installed by the screw through the second threaded hole on the connecting block 14 and the first threaded hole.
[0033] The connecting block 14 extends to the upper side on both sides to form a gap in the middle of the connecting block 14, and coaxial first pin holes 15 are arranged on both sides of the connecting block 14.
[0034] In the embodiment, the connecting blocks 14 are extended upward on both sides of the upper end surface of the connecting blocks 14, and gaps are formed in the middle, and first pin holes 15 are formed on both sides of the connecting blocks 14 for hinge rotation.
[0035] One side of the pressing plate 2 is provided with a protrusion 21 extending upward, and the position of the protrusion 21 corresponds to the position of the connecting block 14, and is located at the gap of the connecting block 14.
[0036] In the embodiment, the protrusion 21 is inverted U-shaped, and the two sides are matched with the gap in the middle of the connecting block 14, and the connecting block 14 is provided with two, and the protrusion 21 is also provided with two, and in the matching state, the pressing plate 2 is parallel to the bottom plate 1.
[0037] The protrusion 21 is provided with a second pin hole 22, and the second pin hole 22 is matched with the first pin hole 15, and the first pin hole 15 and the second pin hole 22 are connected by a pin shaft.
[0038] In the embodiment, the first pin hole 15 and the second pin hole 22 are connected by the pin shaft, so that the pressing plate 2 rotates along the axial direction of the second pin hole 22.
[0039] The upper end surface of the pressing plate 2 away from the protrusion 21 is provided with a handle 23.
[0040] In the embodiment, the handle 23 is arranged on the side away from the protrusion 21, so as to facilitate lifting or pressing the pressing plate 2, and pressing the film sheet 3.
[0041] The width of the slot hole 4 is 1.5-2.5mm, and the distance between any two adjacent slot holes 4 is 2-5mm; the length of the film sheet 3 is less than the length of the slot hole 4.
[0042] In the embodiment, the width of the slot hole 4 is preferably 2mm, the distance between the adjacent slot holes 4 is preferably 4mm, and the width of the film sheet 3 is less than the length of the slot hole 4, so that the film sheet 3 can be quickly cut off during the cutting, and different slot hole sizes of the pressing plate 2 can be replaced according to the needs during the use, so as to press and cut the film sheet 3.
[0043] Finally, it should be pointed out that: the above-mentioned only for the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A segmentation tooling for cardiovascular stent grafting, characterized in that, include: Base plate (1); A pressure plate (2) is provided above the base plate (1); The base plate (1) is hinged to one side of the pressure plate (2) to press the film sheet (3) tightly; The pressure plate (2) has several slots (4) so that the upper end of the film sheet (3) is connected to the outside. The pressed film sheet (3) is cut by a tool (5) at the slots (4).
2. The dividing fixture according to claim 1, characterized in that: The upper surface of the base plate (1) is provided with a first groove (11), and a pad (12) is placed inside the first groove (11). The shape of the pad (12) is adapted to the first groove (11).
3. The dividing tooling according to claim 1, characterized in that: The bottom plate (1) has several second grooves (13) on one side, and a first threaded hole is provided on the end face of the second groove (13).
4. The dividing tooling according to claim 3, characterized in that: A connecting block (14) is installed through the first threaded hole. The connecting block (14) is provided with a second threaded hole, which is coaxially arranged with the first threaded hole and connected by screws.
5. The dividing tooling according to claim 4, characterized in that: The two sides of the connecting block (14) extend upwards, forming a gap in the middle of the connecting block (14), and coaxial first pin holes (15) are provided on both sides of the connecting block (14).
6. The dividing tooling according to claim 5, characterized in that: The pressure plate (2) has an upwardly extending protrusion (21) on one side, and the position of the protrusion (21) corresponds to the position of the connecting block (14) and is located in the gap of the connecting block (14).
7. The dividing tooling according to claim 6, characterized in that: The protrusion (21) is provided with a second pin hole (22), which cooperates with the first pin hole (15). The first pin hole (15) and the second pin hole (22) are connected by a pin.
8. The dividing tooling according to claim 6, characterized in that: A handle (23) is provided on the side of the upper end face of the pressure plate (2) away from the protrusion (21).
9. The dividing tooling according to claim 1, characterized in that: The width of the slot (4) is 1.5-2.5mm, and the distance between any two adjacent slots (4) is 2-5mm.
10. The dividing tooling according to claim 1, characterized in that: The length of the film (3) is less than the length of the slot (4).