Arteriovenous puncture outfit preparation device

Abstract

The utility model discloses an arteriovenous puncture outfit manufacturing device which comprises a puncture needle tube feeding mechanism, a catheter feeding mechanism and an assembling mechanism, and the puncture needle tube feeding mechanism and the catheter feeding mechanism respectively drive puncture needle tubes and catheters to move to be close to the assembling mechanism to be positioned. And the assembling mechanism is used for connecting the puncture needle tube with the catheter in a butt joint manner. The needle tubes are sequentially placed in the containing grooves and rotate along with the rotary disc to be close to the assembling mechanism to be positioned, and the guide tubes are sequentially placed on the tube supporting frame and rotate along with the material belt to be close to the assembling mechanism to be positioned, so that the positioning accuracy of the needle tubes and the guide tubes is higher, and the assembling mechanism can be directly connected and assembled conveniently; all procedures are connected more coherently, and the automation degree is higher.

Description

Technical Field

[0001] This utility model relates to the field of medical device manufacturing technology, and in particular to a device for preparing arteriovenous puncture devices. Background Technology

[0002] Arteriovenous puncture devices are commonly used instruments in clinical medicine. Their core components include puncture needles, catheters, and connectors. Traditional manufacturing processes for arteriovenous puncture devices rely heavily on manual assembly, which suffers from low efficiency, poor precision, and susceptibility to contamination. While some existing automated equipment can partially replace manual labor, it still has the following drawbacks: poor positioning accuracy between the needle and catheter, disjointed connections between different processes, and low degree of automation.

[0003] To address these issues, we propose a device for preparing arteriovenous puncture devices. Utility Model Content

[0004] The purpose of this invention is to provide an arteriovenous puncture device preparation apparatus to solve the problems mentioned in the background art.

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

[0006] An arteriovenous puncture device preparation apparatus includes a puncture needle feeding mechanism, a catheter feeding mechanism, and an assembly mechanism. The puncture needle feeding mechanism and the catheter feeding mechanism respectively drive the puncture needle and the catheter to be positioned close to the assembly mechanism. The assembly mechanism connects the puncture needle and the catheter.

[0007] The puncture needle feeding mechanism includes a turntable, which is rotatably mounted on a base, and the outer edge of the turntable is evenly provided with several storage slots for storing puncture needles.

[0008] The guide tube feeding mechanism includes a pair of material belts. Each material belt has several support racks for storing guide tubes on its outer ring. Each material belt has drive wheels at both ends of its inner ring. The drive wheels at the same end of the two material belts are coaxially connected by a connecting rod.

[0009] The assembly mechanism includes a bracket and an electric gripper for gripping the conduit. A telescopic component one that extends longitudinally is installed on the side of the bracket. The output end of the telescopic component one is connected to a mounting frame one. A telescopic component two that extends vertically is installed on the mounting frame one. The output end of the telescopic component two is connected to the mounting frame two. A telescopic component three that extends laterally is installed below the mounting frame two. The electric gripper is installed at the output shaft end of the telescopic component three.

[0010] In a further embodiment, the outer circumferential sidewall of the drive wheel is uniformly provided with a plurality of protruding teeth, and the inner ring surface of the material strip is provided with a plurality of grooves that match the protruding teeth.

[0011] In further embodiments, the mounting frame two is further provided with a pressing block mounted by a spring, a guide rod is connected to the middle part of the spring and slides through the upper surface of the mounting frame two.

[0012] In further embodiments, the bracket is further provided with a track bar one parallel to the longitudinal direction, and the mounting frame one is further provided with a sliding block one slidingly connected to the track bar one.

[0013] In further embodiments, the mounting frame two is further provided with a vertical light rod sliding through the upper surface of the mounting frame one.

[0014] In further embodiments, the lower surface of the mounting frame two is further provided with a track bar two parallel to the transverse direction, and the electric clamp jaw is further provided with a sliding block two slidingly connected to the track bar two.

[0015] In further embodiments, the electric clamp jaw comprises an outer frame, a double-headed screw rod is rotatably mounted in the outer frame, and a pair of arc-shaped clamping plates are symmetrically screwed on the double-headed screw rod, and a rotary motor is mounted on the outer frame.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] The needle tube is sequentially placed in the storage groove and positioned by following the rotation of the rotating disc to approach the assembling mechanism, and the catheter is sequentially placed on the catheter support and positioned by following the material belt transmission to approach the assembling mechanism, so that the positioning precision of the needle tube and the catheter is higher, the assembling mechanism can be directly connected and assembled, the connection between processes is more coherent, and the automation degree is higher. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural schematic view of the utility model assembling mechanism and needle tube and catheter distribution structure;

[0020] Figure 3 It is a structural schematic view of the utility model assembling mechanism;

[0021] Figure 4 It is a structural schematic view of the utility model electric clamp jaw from the bottom.

[0022] In the figure: 1, rotating disc; 2, storage groove; 3, base; 4, material belt; 41, strip groove; 5, supporting frame; 6, driving wheel; 61, convex tooth; 7, support; 8, telescopic part one; 9, mounting frame one; 10, telescopic part two; 11, mounting frame two; 12, telescopic part three; 13, electric clamping jaw; 131, outer frame; 132, double-end screw; 133, arc-shaped clamping plate; 134, rotary motor; 14, spring; 15, pressing block; 16, guide rod; 17, track strip one; 18, sliding block one; 19, light pole; 20, sliding block two; 21, track strip two; 22, flexible cushion layer. DETAILED DESCRIPTION

[0023] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0024] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] Please refer to Figures 1-4The application discloses a kind of arteriovenous puncture device preparation devices, including puncture needle tube feeding mechanism, catheter feeding mechanism and assembly mechanism, puncture needle tube feeding mechanism drives needle tube, catheter feeding mechanism respectively drives catheter and moves close to assembly mechanism positioning, assembly mechanism is positioned between the two, assembly mechanism connects with puncture needle tube and catheter docking, puncture needle tube feeding mechanism includes carousel 1, which is rotatably mounted on base 3, the base 3 is supported on the ground, and the base 3 is provided with a driving member for rotating the carousel 1, specifically, the driving member is a motor, not shown in the figure, the outer edge of carousel 1 is uniformly provided with a plurality of storage grooves 2 for storing puncture needle tubes, the shape of the storage groove 2 is consistent with the puncture needle tube, the head end of the needle tube is directed to the center of the carousel 1, and the tail end extends beyond the edge of the carousel 1, the carousel 1 rotates clockwise, and the needle tube is positioned when it is rotated to the rightmost side of the carousel 1, waiting to be connected with the catheter, the catheter feeding mechanism includes a pair of material belts 4, each material belt 4 is provided with a plurality of pipe holders 5 for storing catheters on the outer ring, and each material belt 4 is provided with driving wheels 6 at both ends of the inner ring, the driving wheels 6 are tensioned material belts 4, and the driving wheels 6 at the same end of the two material belts 4 are coaxially connected through connecting rods, one of the driving wheels 6 is further connected to a driving member, specifically, the driving member is a motor, so that when the driving wheel 6 rotates, the material belt 4 is driven from the rear to the front, and the catheter on the pipe holder 5 is driven to approach the assembly mechanism, and when the catheter moves to the most front side, it is positioned, at this time, the catheter shaft on the pipe holder 5 and the needle tube shaft on the storage groove 2 are coincident with each other.

[0027] Further, the outer circumferential side wall of the driving wheel 6 is uniformly provided with a plurality of protrusions 61, and the inner ring surface of the material belt 4 is provided with a plurality of grooves 41 matched with the protrusions 61, so as to increase the frictional contact surface between the driving wheel 6 and the material belt 4, and prevent slipping during transmission.

[0028] The assembling mechanism comprises a bracket 7 and an electric clamping jaw 13 for grabbing the catheter, the bracket 7 is provided with a longitudinal telescopic telescopic part 8 on the side, the output end of the telescopic part 8 is connected with a mounting rack 9, the mounting rack 9 is provided with a vertical telescopic telescopic part 10, the output end of the telescopic part 10 is connected with a mounting rack 11, the mounting rack 11 is provided with a horizontal telescopic telescopic part 12, the electric clamping jaw 13 is installed on the output shaft end of the telescopic part 12, the telescopic part can adopt one of a pneumatic cylinder and an electric push rod, when assembling is needed, the telescopic part 10 is started to drive the mounting rack 11, the telescopic part 12 and the electric clamping jaw 13 to descend as a whole until the electric clamping jaw 13 contacts the catheter, the catheter is clamped, then the telescopic part 12 is started to drive the electric clamping jaw 13 to control the catheter to approach the needle tube, so that the head end of the catheter is sleeved on the tail end of the needle tube, then the telescopic part 10 is retracted by a certain height, so that the assembled needle tube and catheter are grabbed and separated from the storage groove 2 and the catheter holder 5, finally the telescopic part 8 is elongated to drive the mounting rack 9 and the lower part as a whole and the assembled catheter and needle tube to move forward to discharge, specifically, a storage basket can be placed at the front end of the assembling mechanism for storage, which is not shown in the figure.

[0029] In order to ensure that the needle tube is not easy to deviate during assembly, the mounting rack 11 is further provided with a pressing block 15 through a spring 14, the pressing block 15 is connected with a guide rod 16 at the middle part of the spring 14, the guide rod 16 is slidably penetrated to the upper surface of the mounting rack 11, so that the pressing block 15 can press above the needle tube before the electric clamping jaw 13 contacts the catheter, the spring 14 is compressed and shortened, thereby limiting the needle tube.

[0030] In order to ensure the stability of the telescopic part during telescopic extension and retraction, and reduce deviation, the bracket 7 is further provided with a longitudinal parallel track strip 17, the mounting rack 9 is further connected with a sliding block 18 which is slidably connected with the track strip 17, the sliding block 18 slides along the track strip 17, thereby limiting the forward and backward movement of the mounting rack 9, the mounting rack 11 is further provided with a vertical light rod 19, the light rod 19 is slidably penetrated to the upper surface of the mounting rack 9, the light rod 19 slides in the mounting rack 9, thereby limiting the upward and downward movement of the mounting rack 11, the lower surface of the mounting rack 11 is further fixed with a horizontal parallel track strip 21, the electric clamping jaw 13 is further provided with a sliding block 20 which is slidably connected with the track strip 21, the sliding block 20 slides along the track strip 21, thereby limiting the left and right movement of the electric clamping jaw 13.

[0031] In order to better grasp the catheter, the electric clamping jaw 13 is provided with an outer frame 131 fixed with the output end of the telescopic member three 12, a double-head screw rod 132 is rotatably installed in the outer frame 131, and the double-head screw rod 132 is composed of two screw threads with opposite directions, an arc-shaped clamping plate 133 is threadedly connected to each screw thread, a rotating motor 134 is installed outside the outer frame 131, the output shaft of the rotating motor 134 is connected with one end of the double-head screw rod 132 for driving the double-head screw rod 132 to rotate, and when the double-head screw rod 132 rotates, the two arc-shaped clamping plates 133 move close to or away from each other under the action of the screw threads, the catheter is clamped when the two arc-shaped clamping plates 133 move close to each other, and the catheter is released when the two arc-shaped clamping plates 133 move away from each other.

[0032] Specifically, in order to reduce the wear of the needle tube and the catheter during assembly, the inner wall of the arc-shaped clamping plate 133, the lower surface of the pressing block 15 and the inner wall of the storage groove 2 are all paved with a flexible pad layer 22 made of rubber or silicone.

[0033] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

[0034] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A device for preparing an arteriovenous puncture, characterized in that: The application relates to a puncture needle tube and catheter assembling device, which comprises a puncture needle tube feeding mechanism, a catheter feeding mechanism and an assembling mechanism. The puncture needle tube feeding mechanism comprises a rotating disc (1) which is rotatably installed on a base (3), and the outer edge of the rotating disc (1) is uniformly provided with a plurality of storage grooves (2) for storing puncture needle tubes. The catheter feeding mechanism comprises a pair of material belts (4), the outer circle of each material belt (4) is uniformly provided with a plurality of catheter supporting frames (5), the inner circle of each material belt (4) is provided with driving wheels (6) at both ends, and the driving wheels (6) at the same end of the two material belts (4) are coaxially connected through connecting rods. The assembling mechanism comprises a support (7) and an electric clamping jaw (13) for grabbing the catheter.

2. The device of claim 1, wherein: The outer circumferential side wall of the driving wheel (6) is uniformly provided with a plurality of convex teeth (61), and the inner circle surface of the material belt (4) is provided with a plurality of strip grooves (41) matched with the convex teeth (61).

3. The device of claim 1, wherein: The lower portion of the mounting rack two (11) is further provided with a pressing block (15) through a spring (14), the pressing block (15) is connected with a guide rod (16) at the middle portion of the spring (14), and the guide rod (16) slides through the upper surface of the mounting rack two (11).

4. The device of claim 1, wherein: The support (7) is further provided with a track strip one (17) parallel to the longitudinal direction, and the mounting rack one (9) is further connected with a sliding block one (18) slidingly connected with the track strip one (17).

5. The device of claim 1, wherein: The mounting rack two (11) is further provided with a vertical light rod (19), and the light rod (19) slides through the upper surface of the mounting rack one (9).

6. The device of claim 1, wherein: The lower surface of the mounting rack two (11) is further fixed with a track strip two (21) parallel to the transverse direction, and the electric clamping jaw (13) is further provided with a sliding block two (20) slidingly connected with the track strip two (21).

7. The device of claim 1, wherein: The electric clamping jaw (13) comprises an outer frame (131), a double-head screw rod (132) is rotatably installed in the outer frame (131), a pair of arc-shaped clamping plates (133) are symmetrically screwed on the double-head screw rod (132), and a rotating motor (134) is installed outside the outer frame (131).

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