Perfusion assembly and perfusion balloon

Abstract

The perfusion assembly comprises a feeding cylinder, one end of the feeding cylinder is fixedly connected with an injection head, the middle of the injection head is provided with an anti-skid protrusion, one end of the outer arc face of the feeding cylinder is provided with friction lines, the other end of the feeding cylinder is fixedly connected with a sealing piece, and one side of the sealing piece is slidably connected with a push rod in a penetrating mode; through the arrangement of the threaded sleeve, the branch pipe and the clamping ring, medical staff can more conveniently fix the branch pipe, so that the situation that when liquid is rapidly injected, the liquid flows through rapidly, the pressure of the connecting position is increased, and then the connecting position is burst open is effectively avoided, and the problem that in the prior art, when in use, the medical staff cannot conveniently and rapidly inject the liquid is solved. Most of the inner tube and the outer tube are directly connected with liquid injection equipment through the elastic force of rubber, so that medical staff need to hold the liquid injection equipment by hands for fixation in the liquid injection process, the hand fatigue of the medical staff is greatly increased, and the problem that the pipeline is very easy to separate is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, and particularly relates to a perfusion assembly and a perfusion balloon. BACKGROUND

[0002] The perfusion balloon is used to locally expand a blood vessel during treatment of a blood vessel disease. The perfusion assembly comprises an injection structure connectable to the perfusion balloon to inflate the perfusion balloon.

[0003] However, in the prior art, the inner tube and the outer tube are mostly directly connected to the liquid injection equipment through the elastic force of rubber, so that the medical staff needs to hold and fix the inner tube and the outer tube during the liquid injection process, thereby greatly increasing the hand fatigue of the medical staff, and the pipes are prone to disengagement.

[0004] Therefore, the perfusion assembly and the perfusion balloon are provided to solve the above problems. SUMMARY

[0005] The utility model aims at: in the prior art, the inner tube and the outer tube are mostly directly connected to the liquid injection equipment through the elastic force of rubber, so that the medical staff needs to hold and fix the inner tube and the outer tube during the liquid injection process, thereby greatly increasing the hand fatigue of the medical staff, and the pipes are prone to disengagement.

[0006] In order to achieve the above-mentioned purposes, the utility model provides the following technical scheme:

[0007] A perfusion assembly comprises a feeding cylinder, one end of the feeding cylinder is fixedly connected with an injection head, the middle part of the injection head is provided with an anti-skid convex, one end of the outer arc surface of the feeding cylinder is provided with a friction pattern, the other end of the feeding cylinder is fixedly connected with a sealing element, one side of the sealing element is slidably connected with a push rod, and one end of the push rod is fixedly connected with a pressing element.

[0008] As a preferred technical scheme of the present application, one end of the push rod is fixedly connected with a rubber pad in the interior of the feeding cylinder, and the rubber pad is matched with the inner diameter of the feeding cylinder.

[0009] As a preferred technical scheme of the present application, one end of the push rod is sleeved with a reset spring, one end of the reset spring is fixedly connected with the pressing element, and the other end of the reset spring is fixedly connected with one side of the sealing element.

[0010] The utility model also provides the following technical scheme: a perfusion balloon comprises a catheter matched with an injection head, one end of the catheter is fixedly connected with a hose, the outside of the hose is provided with a rubber tube, one end of the rubber tube away from the catheter is provided with a balloon part, and one end of the hose is fixedly connected with a branch pipe.

[0011] As the preferred technical scheme of the present application, one end of the conduit connected with the hose is connected through a branch pipe, and the other end of the conduit is fixedly connected with a cushion layer.

[0012] As the preferred technical scheme of the present application, one end of the conduit connected with the hose is connected through a branch pipe, and the other end of the conduit is fixedly connected with a cushion layer.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] In the scheme of the present application:

[0015] 1. By setting the reset spring, the sealing element and the pressing element, medical staff can more conveniently perform liquid injection operation, and through the reset of the reset spring, automatic injection of liquid is realized, solving the problem that in the prior art, the staff needs to manually press to inject liquid.

[0016] 2. By setting the threaded sleeve, the branch pipe and the clasp, medical staff can more conveniently fix the branch pipe, thereby effectively avoiding the situation that when liquid is rapidly injected, the liquid flows too fast, the pressure at the connection increases, and then the connection is broken, solving the problem that in the prior art, the inner tube and the outer tube are mostly directly connected with the liquid injection equipment through the elastic force of rubber, so medical staff needs to hold and fix during the liquid injection process, thereby greatly increasing the hand fatigue of medical staff, and thus the pipe easily separates. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The present application provides a perfusion assembly and a perfusion balloon overall structure schematic view;

[0018] Figure 2 The present application provides a perfusion balloon overall structure schematic view;

[0019] Figure 3 The present application provides a perfusion balloon cut structure schematic view;

[0020] Figure 4 The present application provides a perfusion assembly structure schematic view;

[0021] Figure 5 The present application provides a perfusion assembly cut structure schematic view.

[0022] Indicated in the figure:

[0023] 1, feed cylinder; 2, injection head; 3, anti-skid convex; 4, friction pattern; 5, sealing element; 6, push rod; 7, pressing element; 8, rubber pad; 9, return spring; 10, guide pipe; 11, hose; 12, rubber tube; 13, balloon part; 14, branch pipe; 15, cushion layer; 16, snap ring; 17, threaded sleeve. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0025] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0027] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0028] In the description of the present application, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower" and the like is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship commonly used when the product is used, or the orientation or position relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0029] Please refer to Figures 1-3 The present application provides a perfusion assembly, which comprises a feed cylinder 1, one end of the feed cylinder 1 is fixedly connected with an injection head 2, the middle part of the injection head 2 is provided with an anti-skid convex 3, one end of the outer arc surface of the feed cylinder 1 is provided with a friction pattern 4, the other end of the feed cylinder 1 is fixedly connected with a sealing element 5, one side of the sealing element 5 is slidably connected with a push rod 6, one end of the push rod 6 is fixedly connected with a pressing element 7.

[0030] One end of the push rod 6 is fixedly connected with a rubber pad 8 inside the feeding cylinder 1, the rubber pad 8 is matched with the inner diameter of the feeding cylinder 1, one end of the push rod 6 is sleeved with a return spring 9, one end of the return spring 9 is fixedly connected with the pressing piece 7, the other end of the return spring 9 is fixedly connected with one side of the sealing piece 5.

[0031] Specifically, the perfusion assembly is used in the following way:

[0032] The staff member pulls the pressing piece 7, so that the push rod 6 is pulled out synchronously, at this time, the return spring 9 is elongated under the influence of the tension, and then the rubber pad 8 moves inside the feeding cylinder 1, so that a negative pressure is formed inside the feeding cylinder 1, at this time, the liquid enters the inside of the feeding cylinder 1 from the injection head 2.

[0033] When injecting, the push rod 6 quickly enters the inside of the feeding cylinder 1 through the reset of the return spring 9, at this time, the rubber pad 8 moves inside the feeding cylinder 1 and gradually approaches the inside of the injection head 2, at this time, the liquid is quickly discharged from the injection head 2.

[0034] Please refer to Figure 1 , Figure 4 and Figure 5 The application also provides a perfusion balloon, which comprises a catheter 10 matched with the injection head 2, one end of the catheter 10 is fixedly connected with a hose 11, the outside of the hose 11 is provided with a rubber tube 12, one end of the rubber tube 12 away from the catheter 10 is provided with a balloon part 13, one end of the hose 11 is fixedly connected with a branch pipe 14

[0035] One end of the catheter 10 connected with the hose 11 penetrates and is connected on the branch pipe 14, the other end of the catheter 10 is fixedly connected with a pad layer 15, one end of the branch pipe 14 is movably clamped with a clamping ring 16, the surface of the clamping ring 16 is provided with a threaded groove, one end of the branch pipe 14 is sleeved with a threaded sleeve 17 on one side of the clamping ring 16 and is matched through the threaded groove.

[0036] Specifically, the perfusion balloon is used in the following way:

[0037] The staff member inserts the branch pipe 14 on the injection head 2 of the perfusion assembly and temporarily fixes the branch pipe 14 through the anti-skid protrusions 3 on the injection head 2, then pulls the clamping ring 16, so that the clamping ring 16 is arranged at the connection between the branch pipe 14 and the injection head 2, then rotates the threaded sleeve 17, so that the threaded sleeve 17 is fixed on the clamping ring 16 and tightens the clamping ring 16, thereby fixing the branch pipe 14.

[0038] After the fixing is completed, the perfusion assembly injects the liquid into the inside of the branch pipe 14 through the injection head 2, then flows into the balloon part 13 through the rubber tube 12, and then gradually inflates the balloon part 13.

[0039] The above examples are only used to illustrate the technical solutions described in the utility model and do not limit the utility model. Although the utility model has been described in detail with reference to the above-described various embodiments, the utility model is not limited to the above-described specific embodiments, and therefore any modification or equivalent replacement of the utility model; and all technical solutions and improvements that do not deviate from the spirit and scope of the invention are all included in the scope of the claims of the utility model.

Claims

1. A filling assembly, comprising a feed cylinder (1), characterized in that: One end of the feed cylinder (1) is fixedly connected to an injection head (2), the injection head (2) has an anti-slip protrusion (3) in the middle, one end of the outer arc surface of the feed cylinder (1) has friction texture (4), the other end of the feed cylinder (1) is fixedly connected to a sealing element (5), one side of the sealing element (5) is slidably connected to a push rod (6), and one end of the push rod (6) is fixedly connected to a pressing element (7). It also includes a catheter (10) adapted to the injection head (2), one end of the catheter (10) is fixedly connected to a hose (11), the hose (11) is provided with a rubber tube (12) on the outside, the end of the rubber tube (12) away from the catheter (10) is provided with a balloon (13), and one end of the hose (11) is fixedly connected to a branch tube (14). One end of the branch pipe (14) is movably engaged with a retaining ring (16), the surface of the retaining ring (16) is provided with a threaded groove, and one end of the branch pipe (14) is fitted with a threaded sleeve (17) on one side of the retaining ring (16), and is adapted to each other through the threaded groove.

2. The infusion assembly according to claim 1, characterized in that, One end of the push rod (6) is fixedly connected to a rubber pad (8) inside the feed cylinder (1), and the rubber pad (8) is adapted to the inner diameter of the feed cylinder (1).

3. The infusion assembly according to claim 1, characterized in that, One end of the push rod (6) is fitted with a return spring (9), one end of the return spring (9) is fixedly connected to the pressing member (7), and the other end of the return spring (9) is fixedly connected to one side of the sealing member (5).

4. An infusion balloon suitable for an infusion assembly according to any one of claims 1-3, characterized in that, One end of the conduit (10) connected to the hose (11) is connected through the branch pipe (14), and the other end of the conduit (10) is fixedly connected to the pad (15).

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