A femoral artery hemostasis membrane auxiliary molding device

Abstract

This utility model relates to the field of vascular interventional therapy technology, specifically to a femoral artery hemostatic membrane auxiliary forming device, including a positioning component and a forming component. The positioning component consists of two shells, and a pin plate is fixedly connected to the side of the shell. The forming component is connected to the pin plate. The positioning component drives the hemostatic membrane to rotate by pressing a knob. The wound hemostatic membrane forms a cylindrical shape after passing through the arc-shaped block and push groove on the forming component. Then, the push plate moves horizontally to push the cylindrical hemostatic membrane to a position aligned with the center of the protective tube. The hemostatic membrane is pushed into the protective tube by the push tube.

Description

Technical Field

[0001] This utility model relates to the field of vascular interventional therapy technology, specifically to a femoral artery hemostasis membrane auxiliary forming device. Background Technology

[0002] A vascular occluder is a medical device used for arterial puncture hemostasis after interventional surgery. It achieves hemostasis through a combination of mechanical occlusion and biothrombus formation. The core technology of this product utilizes an expandable hemostatic plug structure constructed from absorbable materials such as polyethylene glycol (PEG). Currently, the fabrication of hemostatic plugs faces two main technical challenges: firstly, the manual rolling method results in uncontrollable molding time and shape; secondly, the use of flared tubing for extrusion molding is not only cumbersome and time-consuming but also prone to deformation after extrusion. These traditional methods not only lead to inconsistent plug sizes and quality but also result in high material wastage rates.

[0003] In view of the above, in order to overcome the above technical problems, this utility model designs a femoral artery hemostatic membrane auxiliary forming device, which solves the above technical problems. Utility Model Content

[0004] The purpose of this invention is to provide an auxiliary forming device for femoral artery hemostatic membrane. By pressing the knob, the hemostatic membrane is wound and rotated. After passing through the arc-shaped block and push groove on the forming component, the wound hemostatic membrane forms a cylindrical shape. Then, the pusher moves horizontally to push the cylindrical hemostatic membrane to a position aligned with the center of the protective tube. The pusher pushes the hemostatic membrane into the protective tube, effectively preventing manual pressing and uneven forming at both ends, which could cause the un-adhesive end of the hemostatic membrane to spread out after being removed from the protective sleeve.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A femoral artery hemostatic membrane auxiliary forming device includes a positioning component and a forming component. The positioning component consists of two outer shells, and a pin plate is fixedly connected to the side of the outer shell. The forming component is connected to the pin plate. The positioning component drives the hemostatic membrane to rotate by pressing a knob. The wound hemostatic membrane forms a cylindrical shape after passing through the arc-shaped block and push groove on the forming component. Then, the push plate moves horizontally to push the cylindrical hemostatic membrane to a position aligned with the center of the protective tube. The hemostatic membrane is pushed into the protective tube by the push tube.

[0007] Preferably, an L-shaped groove is formed between the top of the two outer shells and the side near the pin plate. A rotating bracket is installed between the two outer shells. The rotating bracket has a slot with a right-angled sector cross-section. A limit button passes through the middle of the rotating bracket, and a pressing knob is installed in the middle of the limit button.

[0008] Preferably, a limiting groove is provided on the upper part of the outer shell, a fixing block is installed inside the limiting groove, a spring is engaged at the left end of the fixing block, a sliding block is engaged at the other end of the spring, and a rotating bracket is at the other end of the sliding block.

[0009] Preferably, a limit block is fixedly installed on the limit button, a fixing hole is opened at one end of the pressing knob, a core rod is installed inside the fixing hole, and an adjusting cylinder is installed above the pressing knob. Adjusting grooves are arranged in a row on the side of the adjusting cylinder, wherein the adjusting grooves are connected to the limit block, and an inverted buckle is fixedly installed in an array on the left side of the adjusting cylinder, the inverted buckle being located inside the limit button.

[0010] Preferably, the hemostatic membrane forming assembly has a fixing groove on the side of the base, through which a pin plate passes. A sliding groove is formed on the top of the base, and a control groove is connected in the middle of the sliding groove. An arc-shaped block is fixedly installed on the control groove, and a hemostatic membrane is installed on the control groove. A pushing groove is connected to one end of the control groove near the outer shell, and a pushing tube is slidably installed inside the pushing groove. A protective groove is connected to the other end of the control groove, and a protective tube is installed inside the protective groove.

[0011] Preferably, a pusher piece is slidably mounted on the groove, the upper surface of the pusher piece is a push groove, a moving groove is provided below the pusher piece, one end of the pusher piece inside the moving groove is arc-shaped, and the arc shape and arc block below the pusher piece cause the hemostatic membrane to be rolled into a cylindrical shape.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model can better assist in the molding of hemostatic membrane during the production of the sealing hemostatic device, effectively preventing situations such as manual pressing and uneven molding at both ends, which could cause the un-glued end of the hemostatic membrane to spread out after being removed from the protective sleeve.

[0014] 2. The modular design of positioning and forming components facilitates assembly and reduces operation steps; the combination of arc-shaped blocks and push grooves ensures that the hemostatic film is evenly wound into a cylindrical shape, avoiding irregular shape problems caused by manual winding.

[0015] 3. The L-shaped groove formed by the outer shell allows the limit button to move with ample space, and allows the position and angle of the mandrel to be quickly adjusted.

[0016] 4. The design of the pin plate penetrating the base fixing groove ensures the precise docking of the molding component and the positioning component. The arc block on the control groove cooperates with the rotating mandrel to gradually bend the flat hemostatic membrane into a cylindrical shape. The control groove also integrates the winding function and positioning function of the arc block, reducing the error caused by traditional multi-station conversion. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] The above and other aspects of the present invention will now be described by way of example only, with reference to the accompanying drawings, in which:

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the positioning component of this utility model;

[0021] Figure 3 This is a schematic diagram showing the position of the sliding block of this utility model;

[0022] Figure 4 This is a schematic diagram of the positioning component pin plate of this utility model;

[0023] Figure 5 This is a schematic diagram of the rotating bracket of this utility model;

[0024] Figure 6 This is a schematic diagram of the push-button knob of this utility model;

[0025] Figure 7 This is a schematic diagram of the inverted fastener of this utility model;

[0026] Figure 8 This is a schematic diagram of the molding component of this utility model;

[0027] Figure 9 This is a schematic diagram of the hemostatic membrane of this utility model before it is rolled up;

[0028] Figure 10 This is a schematic diagram of the hemostatic membrane of this utility model being rolled up;

[0029] Figure 11 This is a schematic diagram of the overall molding component of this utility model;

[0030] Figure 12 This is a schematic diagram of the pusher plate of this utility model;

[0031] Figure 13 This is a schematic diagram of the semi-lifted push plate on the slide groove of this utility model;

[0032] Figure 14 This is a schematic diagram of the positioning component and the molding component after they are separated.

[0033] In the diagram: 1. Positioning component; 11. Housing; 111. Pin plate; 112. Limiting groove; 113. Fixing block; 114. Spring; 115. Sliding block; 12. Rotating bracket; 121. Slot; 122. Limiting button; 123. Limiting block; 13. Press knob; 131. Fixing hole; 132. Core rod; 133. Adjusting cylinder; 134. Adjusting groove; 135. Inverted buckle; 2. Molding component; 21. Base; 211. Fixing groove; 212. Sliding groove; 22. Control groove; 23. Arc block; 24. Hemostatic membrane; 25. Pushing groove; 251. Pushing tube; 26. Protective groove; 261. Protective tube; 27. Pushing piece; 271. Pushing groove; 272. Moving groove. Detailed Implementation

[0034] The technical solutions of the present utility model will now be described with reference to the accompanying drawings of the embodiments. The embodiments described below are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0035] like Figures 1 to 14 As shown, this utility model provides an auxiliary forming device for a femoral artery hemostatic membrane 24, including a positioning component 1 and a forming component 2. The positioning component 1 consists of two outer shells 11, and a pin plate 111 is fixedly connected to the side of the outer shell 11. The forming component 2 is connected to the pin plate 111. The positioning component 1 drives the hemostatic membrane 24 to rotate by pressing the knob 13. The wound hemostatic membrane 24 forms a cylindrical shape after passing through the arc-shaped block 23 and the push groove 25 on the forming component 2. Then, the push plate 27 moves horizontally to push the cylindrical hemostatic membrane 24 to a position aligned with the center of the protective tube 261. The hemostatic membrane 24 enters the protective tube 261 by the push of the push tube 251.

[0036] The modular design of positioning component 1 and forming component 2 facilitates assembly and reduces operational steps. The cooperation of the arc-shaped block 23 and the pushing groove 25 ensures that the hemostatic membrane 24 is uniformly wound into a cylindrical shape, avoiding irregular shapes caused by manual winding. The horizontal movement of the pushing plate 27 precisely aligns the hemostatic membrane 24 with the center of the protective tube 261, ensuring stability during subsequent pushing. The cylindrical hemostatic membrane 24, pushed by the pushing tube 251, completely enters the protective tube 261, avoiding the risk of misalignment or loosening of the hemostatic membrane 24 in traditional manual operations.

[0037] like Figure 2 , 3 As shown in Figures 4, 5, 6, and 7, an L-shaped groove is formed between the top of the two outer shells 11 and the side near the pin plate 111. A rotating bracket 12 is installed between the two outer shells 11. A slot 121 is provided on the rotating bracket 12. The cross-sectional shape of the slot 121 is a right-angled sector. A limit button 122 passes through the middle of the rotating bracket 12. A pressing knob 13 is installed in the middle of the limit button 122.

[0038] The L-shaped groove formed by the outer shell 11 allows the limit button 122 to move with sufficient space, and allows the position and angle of the core rod 132 to be quickly adjusted.

[0039] like Figure 2 , 3 As shown in Figures 4, 5, 6 and 7, a limiting groove 112 is provided on the upper part of the outer shell 11. A fixing block 113 is installed inside the limiting groove 112. A spring 114 is engaged at the left end of the fixing block 113. A sliding block 115 is engaged at the other end of the spring 114. The other end of the sliding block 115 is a rotating bracket 12.

[0040] The limiting groove 112 constrains the movement range of the sliding block 115, ensuring that the rotating bracket 12 only moves within the set stroke, preventing excessive displacement from causing collisions between parts. The resistance of the spring 114 provides clear tactile feedback, making it easy for operators to perceive whether the action is in place.

[0041] like Figure 5 , 6 As shown in Figure 7, a limit block 123 is fixedly installed on the limit button 122. A fixing hole 131 is provided at one end of the pressing knob 13. A core rod 132 is installed inside the fixing hole 131. An adjusting cylinder 133 is installed above the pressing knob 13. An adjusting groove 134 is arranged in a row on the side of the adjusting cylinder 133. The adjusting groove 134 is connected to the limit block 123. An inverted buckle 135 is fixedly installed in an array on the left side of the adjusting cylinder 133. The inverted buckle 135 is located inside the limit button 122.

[0042] The orderly arrangement of the adjusting grooves 134 forms a visual scale, facilitating operators to quantitatively control the number of rotations of the mandrel 132 and ensure consistent molding. The array of inverted buckles 135 on the left side of the adjusting cylinder 133 is embedded inside the limit button 122, forming a mechanical interlock to effectively prevent the pressing knob 13 from axially shifting or accidentally disengaging during operation. The tight fit design between the fixing hole 131 and the mandrel 132 prevents slippage of the mandrel 132 during winding.

[0043] like Figure 8 , 9 As shown in 10, 11, 12, 13 and 14, the base 21 of the hemostatic membrane 24 forming assembly 2 has a fixing groove 211 on its side, and a pin plate 111 passes through the fixing groove 211. A sliding groove 212 is provided above the base 21, and a control groove 22 is connected in the middle of the sliding groove 212. An arc-shaped block 23 is fixedly installed on the control groove 22, and a hemostatic membrane 24 is installed on the control groove 22. A pushing groove 25 is connected to one end of the control groove 22 near the outer shell 11, and a pushing tube 251 is slidably installed inside the pushing groove 25. A protective groove 26 is connected to the other end of the control groove 22, and a protective tube 261 is installed inside the protective groove 26.

[0044] The design of the pin plate 111 penetrating the base 21 and fixing groove 211 ensures the precise docking of the molding component 2 and the positioning component 1. The arc block 23 on the control groove 22 cooperates with the rotating mandrel 132 to gradually bend the planar hemostatic membrane 24 into a cylindrical shape. The control groove 22 also integrates the winding function and positioning function of the arc block 23, reducing the error caused by traditional multi-station conversion.

[0045] like Figure 8 , 9 As shown in 10, 11, 12, 13 and 14, a pusher piece 27 is slidably mounted on the slide groove 212. The upper surface of the pusher piece 27 is a push groove 271. A moving groove 272 is provided below the pusher piece 27. One end of the pusher piece 27 inside the moving groove 272 is arc-shaped. The arc shape below the pusher piece 27 and the arc block 23 cause the hemostatic membrane 24 to be rolled into a cylindrical shape.

[0046] The pusher plate 27 precisely aligns the hemostatic membrane 24 with the center of the protective tube 261 through horizontal movement, ensuring a stable and reliable subsequent pushing process. The arc-shaped end face of the moving groove 272 of the pusher plate 27 maintains optimal contact with the formed hemostatic membrane 24, effectively preventing the hemostatic membrane 24 from loosening or unfolding during transfer. Furthermore, the stroke of the pusher plate 27 is approximately 6mm~10mm, and its length is approximately 15mm~20mm, thus better accommodating different sizes of hemostatic membrane 24.

[0047] In operation, the operator first installs the pressing knob 13 into the limit button 122. The adjusting groove 134 on the adjusting cylinder 133, in conjunction with the limit block 123, restricts the range of motion of the pressing knob 13. Simultaneously, the inverted buckle 135 structure of the limit button 122 prevents the pressing knob 13 from dislodging. Next, the mandrel 132 is inserted into the fixing hole 131, causing the pressing knob 13 to enter the limit button 122 and maintain a slightly horizontal and upward position. Finally, the hemostatic membrane 24 is installed in the control groove 22 above the base 21.

[0048] Insert the pin plate 111 of the positioning component 1 into the fixing groove 211 of the forming component 2, so that the mandrel 132 is horizontally offset and positioned above the hemostatic membrane 24. Adjust the pressing knob 13 to the horizontal position so that the mandrel 132 applies pressure to the hemostatic membrane 24; at this time, install the pusher plate 27 into the slide groove 212. The pusher groove 25 and the arc-shaped block 23 work together to form an arc shape at one end of the hemostatic membrane 24. Rotate the pressing knob 13 to drive the mandrel 132 to rotate, and the mandrel 132 winds around the hemostatic membrane 24 to form a cylindrical structure. After the hemostatic membrane 24 is formed, pull out the pin plate 111 of the positioning component 1 from the fixing groove 211, and simultaneously drive the mandrel 132 to detach from the hemostatic membrane 24. After removing the positioning component 1, push the pusher plate 27 along the slide groove 212 to move the entire hemostatic membrane 24 forming device to the right until it is coaxially aligned with the protective tube 261. Finally, insert the push tube 251 into the push groove 25 to push the molded hemostatic membrane 24 into the protective tube 261.

[0049] When the positioning component 1 moves away from the molding component 2, the pressing knob 13 is adjusted to a vertical position and fixed by the sliding block 115 into the slot 121, so that the pressing knob 13 is in a vertical shape, making the positioning component 1 disposable, effectively preventing manual pressing and uneven molding at both ends, which could cause the un-adhesive end of the hemostatic film 24 to spread out after it is removed from the protective sleeve.

[0050] The description herein is provided to enable those skilled in the art to implement or use the present disclosure. Various modifications to the present disclosure will be readily apparent to those skilled in the art, and the general principles defined herein can be applied to other variations without departing from the scope of the disclosure. Therefore, this disclosure is not limited to the examples and designs described herein, but should be given the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. A femoral artery hemostatic film assisted forming device, comprising a positioning assembly (1) and a forming assembly (2), characterized in that, The positioning component (1) consists of two outer shells (11), and a pin plate (111) is fixedly connected to the side of the outer shell (11). A forming component (2) is connected to the pin plate (111). The positioning component (1) drives the hemostatic membrane (24) to rotate by pressing the knob (13). The wound hemostatic membrane (24) forms a cylindrical shape after passing through the arc block (23) and the push groove (25) on the forming component (2). Then the push plate (27) moves horizontally to push the cylindrical hemostatic membrane (24) to a position aligned with the center of the protective tube (261). The hemostatic membrane (24) enters the protective tube (261) by the push tube (251).

2. The femoral artery hemostatic film assisted forming device according to claim 1, characterized in that: An L-shaped groove is formed between the top of the two outer shells (11) and the side near the pin plate (111). A rotating bracket (12) is installed between the two outer shells (11). A slot (121) is provided on the rotating bracket (12). The cross-sectional shape of the slot (121) is a right-angled sector. A limit button (122) passes through the middle of the rotating bracket (12). A pressing knob (13) is installed in the middle of the limit button (122).

3. The femoral artery hemostatic film assisted forming device according to claim 2, characterized in that: The outer shell (11) has a limiting groove (112) on its upper surface. A fixing block (113) is installed inside the limiting groove (112). A spring (114) is engaged at the left end of the fixing block (113). A sliding block (115) is engaged at the other end of the spring (114). The other end of the sliding block (115) is a rotating bracket (12).

4. The femoral artery hemostatic film assisted forming device according to claim 3, characterized in that: Limiting block (123) is fixedly installed on the limit button (122). A fixing hole (131) is provided at one end of the pressing knob (13). A core rod (132) is installed inside the fixing hole (131). An adjusting cylinder (133) is installed above the pressing knob (13). An adjusting groove (134) is arranged in a row on the side of the adjusting cylinder (133). The adjusting groove (134) is connected to the limiting block (123). An inverted buckle (135) is fixedly installed in an array on the left side of the adjusting cylinder (133). The inverted buckle (135) is located inside the limit button (122).

5. The femoral artery hemostatic film assisted forming device according to claim 4, characterized in that: The hemostatic membrane (24) forming assembly (2) has a fixing groove (211) on the side of the base (21), and a pin plate (111) passes through the fixing groove (211). A sliding groove (212) is provided above the base (21), and a control groove (22) is connected in the middle of the sliding groove (212). An arc-shaped block (23) is fixedly installed on the control groove (22), and a hemostatic membrane (24) is installed on the control groove (22). A push groove (25) is connected to one end of the control groove (22) near the outer shell (11), and a push tube (251) is slidably installed inside the push groove (25). A protective groove (26) is connected to the other end of the control groove (22), and a protective tube (261) is installed inside the protective groove (26).

6. The femoral artery hemostatic film assisted forming device according to claim 5, characterized in that: A pusher plate (27) is slidably installed on the slide groove (212). The upper surface of the pusher plate (27) is a push groove (271). A moving groove (272) is provided below the pusher plate (27). One end of the pusher plate (27) inside the moving groove (272) is arc-shaped. The arc shape and the arc block (23) below the pusher plate (27) cause the hemostatic membrane (24) to be rolled into a cylindrical shape.

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