Assembly tool for stent developing ring

Abstract

The utility model discloses a support developing ring assembling tool which comprises a base, a support, a pressing ring assembly and a fixing assembly. The base is provided with a long-strip-shaped groove for placing the developing ring; the two supports are fixedly installed on the base and located at the two ends of the groove respectively. The pressing ring assembly is assembled on the two supports, and the fixing assembly is used for fixing a developing ring; the support is provided with a guide groove used for guiding the pressing ring assembly. The fixing assembly comprises a fixing piece and an elastic piece, the fixing piece is located in the groove, the elastic piece is located in the base, and the fixing piece can abut against the end of the groove under the action of the elastic piece; the position of the developing ring is fixed through the fixing assembly, the position of the developing ring can be prevented from being changed when the support penetrates through the developing ring, operation is more stable, in addition, a limiting rod is further arranged, the ring pressing assembly cannot be pressed downwards when the developing ring is not installed, and safety is higher.

Description

Technical Field

[0001] The utility model relates to the field of developing ring assembly, in particular to a developing ring assembly tool for a bracket. Background Art

[0002] Most intracranial aneurysms are abnormal bulges occurring on the intracranial arterial vessel wall, characterized by high incidence, high mortality and high disability rate. Subarachnoid hemorrhage caused by the rupture of intracranial aneurysms is the most common cause of hemorrhagic stroke. At present, the main clinical treatment method is the coil embolization technique. By filling the aneurysm with coils, the impact of blood flow on the aneurysm wall is blocked, the risk of aneurysm rupture and bleeding is reduced, and finally the cure and rehabilitation of intracranial aneurysms are achieved; the intracranial stent is a stent used in cooperation during the coil embolization operation, which can cover the aneurysm neck. Its appearance is to make the embolization safer and prevent the compression and occlusion of the parent artery;

[0003] And the prerequisite for the success of each interventional treatment is accurate positioning. In order to facilitate the operator to better place the stent in the parent artery and observe the specific position of the stent in the blood vessel, a platinum-iridium developing ring is generally assembled on the stent. At present, the assembly of the developing ring is carried out by a pure manual method, with low efficiency and easy to make mistakes. Content of the Utility Model

[0004] The utility model provides a developing ring assembly tool for a bracket, which can at least solve one problem pointed out in the background art.

[0005] A developing ring assembly tool for a bracket includes:

[0006] A base, on which a long strip-shaped groove for placing the developing ring is provided;

[0007] Two supports, fixedly installed on the base, and the two supports are respectively located at both ends of the groove;

[0008] A pressing ring assembly, assembled on the two supports; and

[0009] A fixing component, used for fixing the developing ring;

[0010] Wherein, a guiding groove for guiding the pressing ring assembly is provided on the support;

[0011] The fixing component includes a fixing piece and an elastic piece. The fixing piece is located in the groove, and the elastic piece is located in the base. Under the action of the elastic piece, the fixing piece can abut against the end of the groove.

[0012] Preferably, the pressing ring assembly includes a cross beam assembly and a pressing ring part arranged on the lower side of the cross beam assembly.

[0013] Preferably, the fixing piece is in the shape of a one-third circular ring.

[0014] Preferably, the elastic member includes a connecting rod and a first spring sleeved on the connecting rod;

[0015] A support rod is fixedly connected to the lower side of the fixing member. The support rod is connected to the connecting rod through a connecting frame, and a first relief groove for accommodating the support rod is formed in the groove.

[0016] Preferably, the connecting rod is connected to a handle, a part of the handle extends out of the base, and a second relief groove for accommodating the handle is formed in the base.

[0017] Preferably, it further includes a limiting rod. A receiving groove for accommodating the limiting rod is formed in the support. The limiting rod is hinged in the receiving groove. When the fixing member abuts against the end of the groove, the connecting rod abuts against one end of the limiting rod, so that the other end of the limiting rod can move to the moving path of the pressing ring assembly.

[0018] Preferably, a second spring connected to the limiting rod is arranged in the receiving groove.

[0019] Preferably, the cross section of the groove is semicircular.

[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows: The position of the developing ring can be fixed through the fixing component of the present utility model. When the bracket passes through the developing ring, the situation that the developing ring moves in position can be prevented, and the operation is more stable. In addition, a limiting rod is also provided, and the pressing action of the pressing ring assembly cannot be performed when the developing ring is not installed, which is safer. Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the present utility model;

[0022] Figure 2 is a partial cross-sectional view of the present utility model;

[0023] Figure 3 is a schematic structural diagram of the fixing component and the limiting rod of the present utility model;

[0024] Figure 4 is a schematic structural diagram of the position of the limiting rod when the developing ring is not installed;

[0025] Figure 5 is a schematic structural diagram of the position of the limiting rod when the developing ring is installed.

[0026] Description of the Reference Numerals:

[0027] 1 - Base, 2 - Support, 3 - Pressing ring part, 4 - Main crossbeam, 5 - Sub - crossbeam, 6 - Guide groove, 7 - Magnetic sheet, 8 - Handle, 9 - Groove, 10 - Connecting rod, 11 - First spring, 12 - Support rod, 13 - Connecting frame, 14 - Handle, 15 - First relief groove, 16 - Second relief groove, 17 - Fixing part, 18 - Limit rod, 19 - Accommodating groove, 20 - Second spring, 21 - Ear plate. Detailed implementation manner

[0028] The following combines with the attached drawings to describe in detail a specific implementation manner of the present utility model. However, it should be understood that the protection scope of the present utility model is not limited by the specific implementation manner.

[0029] As Figures 1 to 5 shown, a stent developing ring assembly tooling provided by an embodiment of the present utility model uses a rectangular base 1, which constitutes the bottom of the entire tooling. The base 1 is mainly used to place the stent when using the tooling. The material of the base 1 can be stainless steel or other metal materials that are not easily damaged.

[0030] Two supports 2 with a certain distance are fixedly connected in the middle of the base 1, which are mainly used to build the device for pressing the developing ring on them, that is, the pressing ring assembly.

[0031] The pressing ring assembly includes a crossbeam assembly and a pressing ring part 3 arranged on the lower side of the crossbeam assembly. The crossbeam includes a main crossbeam 4 and a sub - crossbeam 5. The number of sub - crossbeams 5 is at least one. In this embodiment, two are taken as an example. The pressing ring part 3 is located on the lower side of the main crossbeam 4. The main crossbeam 4 and the sub - crossbeam 5 are fixedly connected. Different - sized guide grooves 6 for guiding the main crossbeam 4 and the sub - crossbeam 5 of the pressing ring assembly are opened on the supports 2. The main crossbeam 4 and the sub - crossbeam 5 are located in different guide grooves 6.

[0032] A magnetic sheet 7 is arranged at the top of the guide groove 6, which can adsorb the main crossbeam 4, so that the pressing ring assembly can be kept at a relatively high position. During work, directly pressing down the pressing ring assembly can break away from the magnetic adsorption force and complete the compaction process of the developing ring.

[0033] The pressing ring assembly is connected with a handle 8 to facilitate the work of assembling the developing ring.

[0034] A long - strip groove 9 for placing the developing ring is opened at the center position of the base 1. The two supports 2 are respectively located at both ends of the groove 9. The position of the pressing ring part 3 corresponds to the position of the groove 9. The cross - section of the groove 9 is semi - circular, and the head end of the pressing ring part 3 is semi - circular.

[0035] To facilitate the passage of the stent through the developer ring located in the groove 9 and to keep the developer ring at the end of the groove 9, the present embodiment further provides a fixing assembly for fixing the developer ring; the fixing assembly includes a fixing member 17 and an elastic member. The fixing member 17 is located in the groove 9, and the elastic member is located in the base 1. The elastic member includes a connecting rod 10 and a first spring 11 sleeved on the connecting rod 10. A support rod 12 is fixedly connected to the lower side of the fixing member 17. The support rod 12 is connected to the connecting rod 10 through a connecting frame 13. A first relief groove 15 for accommodating the support rod 12 is formed in the groove 9. The connecting rod 10 is connected to a handle 14, and a part of the handle 14 extends out of the base 1. A second relief groove 16 for accommodating the handle 14 is formed in the base 1;

[0036] A groove for accommodating the fixing assembly is formed in the base 1. One end of the first spring 11 is connected to the groove wall, and the other end abuts against the connecting rod 10;

[0037] The fixing member 17 of the present embodiment is in the shape of a one-third circular ring;

[0038] The number of the fixing assemblies in the present embodiment is two and they are symmetrically distributed, that is, there are fixing members 17 at both ends of the groove 9. The number of elastic members included in each group of fixing assemblies is also two and they are symmetrically distributed. The connecting frame 13 is connected to the two connecting rods 10 at the same time. Similarly, the handle 14 is also connected to the two connecting rods 10 at the same time;

[0039] Under the action of the first spring 11 of the elastic member, the fixing member 17 can abut against the end of the groove 9. During use, first pull the handle 14 to make a gap between the fixing member 17 and the end of the groove 9. Then use tweezers to place the developer ring in this gap. After releasing the handle 14, the fixing member 17 abuts the developer ring against the end of the groove 9. Then the stent can be passed through the developer ring. After that, hold the handle 8 by hand and push it downward. The pressing ring member 3 abuts against the developer ring and presses the developer ring firmly on the stent to complete the assembly of the developer ring;

[0040] Embodiment Two

[0041] During assembly, if the worker forgets to place the developing ring or for other reasons the developing ring is not in the groove 9, and the pressing ring member 3 directly abuts against the bracket, it will cause damage to the bracket. To solve this technical problem, this embodiment further includes a limiting rod 18 on the basis of Embodiment 1. A receiving groove 19 for receiving the limiting rod 18 is formed in the support 2. The limiting rod 18 is hinged in the receiving groove 19. A second spring 20 connected to the limiting rod 18 is arranged in the receiving groove 19. The receiving groove 19 has a window. When the fixing member 17 abuts against the end of the groove 9, the connecting rod 10 abuts against one end of the limiting rod 18, which can make the other end of the limiting rod 18 extend out of the window and move onto the moving path of the pressing ring assembly. Specifically, the pressing ring assembly is connected with an ear plate 21, and the end of the limiting rod 18 will move to the lower side of the ear plate 21, so that the pressing-down action cannot be completed. When there is a developing ring between the fixing member 17 and the end of the groove 9, the connecting rod 10 cannot drive the limiting rod 18 to rotate significantly, that is, the limiting rod 18 is in a state completely located in the receiving groove 19. In this case, the limiting rod 18 will not hinder the pressing-down action, thereby avoiding the situation that the bracket is damaged due to forgetting to place the developing ring;

[0042] As Figure 5 shown, in addition, to improve the supporting force and avoid the small supporting force of a single limiting rod 18 and easy breakage; there are four limiting rods 18 in this embodiment, corresponding to the four connecting rods 10 respectively.

[0043] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit and basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes falling within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0044] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A bracket developing ring assembly tool, characterized in that: include: A base having a long groove for placing a developing ring; Two supports are fixedly mounted on the base, and the two supports are respectively located at two ends of the groove; A compression ring assembly assembled on two supports; and A fixing assembly, used for fixing the developing ring; Wherein, the support is provided with a guide groove for guiding the pressure ring assembly; The fixing assembly comprises a fixing member and an elastic member, wherein the fixing member is located in the groove, and the elastic member is located in the base. Under the action of the elastic member, the fixing member can abut against the end of the groove.

2. The bracket developing ring assembly tool as claimed in claim 1, characterized in that: The pressure ring assembly comprises a crossbeam assembly and a pressure ring member arranged at the lower side of the crossbeam assembly.

3. The support developing ring assembly tool as claimed in claim 1, characterized in that: The fixing piece is in the shape of a third of a circle.

4. The support developing ring assembly tool as claimed in claim 1, characterized in that: The elastic member comprises a connecting rod and a spring 1 sleeved on the connecting rod; A support rod is fixedly connected to the lower side of the fixing piece, and the support rod is connected to the connecting rod through a connecting frame. A making way groove 1 for making way for the support rod is provided in the groove.

5. The support developing ring assembly tool as claimed in claim 4, characterized in that: The connecting rod is connected with a handle, a part of the handle extends out of the base, and a second making way slot for making way for the handle is provided on the base.

6. The support developing ring assembly tool as claimed in claim 4, characterized in that: It also includes a limiting rod, and a receiving groove for accommodating the limiting rod is opened in the support. The limiting rod is hinged in the receiving groove. When the fixing part abuts against the end of the groove, the connecting rod abuts against one end of the limiting rod, which can enable the other end of the limiting rod to move to the moving path of the pressure ring assembly.

7. The support developing ring assembly tool as claimed in claim 6, characterized in that: A second spring connected to the limiting rod is arranged in the accommodating groove.

8. The support developing ring assembly tool as claimed in claim 1, characterized in that: The cross section of the groove is semicircular.

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