Height adjusting equipment and infusion device

The height-adjustable infusion device addresses the inflexibility of fixed infusion stand mounts by using a worm gear and screw bolt system for customizable height adjustments, improving usability and reducing waste.

CN223095903UActive Publication Date: 2025-07-15THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL
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Patent Information

Application Number
CN202421729065.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-07-15
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

Existing infusion devices lack flexibility in adjusting the height of the infusion stand, limiting their usability due to fixed mounting hooks, which cannot accommodate varying patient needs and infusion rates.

Method used

A height-adjustable device for infusion devices that includes a limit rod with a sliding screw rod, a fixed housing with an adjustment mechanism, and a screw rod with a detachable screw bolt, allowing for customizable height adjustments through a worm gear and worm wheel system.

Benefits of technology

Enables flexible height adjustments of infusion stands, reducing waste by combining with existing stands and enhancing usability by accommodating different patient needs and infusion rates.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223095903U_ABST
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Abstract

The utility model relates to the technical field of medical apparatus and instruments, and discloses a height adjusting device and an infusion device.The height adjusting device comprises a limiting rod, a lead screw is slidably connected to the interior of the limiting rod, a fixed shell is fixedly connected to the top of the limiting rod, and an adjusting mechanism is arranged in the fixed shell; the height adjusting device comprises a screw rod, the top of the screw rod is fixedly connected with a mounting shell, a fixing mechanism is arranged in the mounting shell, the top of the mounting shell is fixedly connected with a fixing ring, the adjusting mechanism comprises a worm, and a mounting groove corresponding to the worm is formed in the fixing shell. The infusion device has the advantage of height adjustment, the fixing mechanism is matched with the mounting shell to fix the infusion supporting rod, the adjusting mechanism is matched with the fixing shell to adjust the height of the mounting shell so as to adjust the height of the infusion device, and the problem that an existing infusion device is inconvenient to use due to fixed height is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a height adjustment device and an infusion device. Background Technique

[0002] Infusion, or large-volume injection solution, refers to a large-dose injection solution that is intravenously infused into the body, with a single dose of more than 100 ml. It is a branch of injection agents, usually packaged in glass or plastic infusion bottles or bags, without bacteriostatic agents. When in use, the drip rate is adjusted through an infusion set, and the drug is continuously and stably input into the body. An infusion stand is required for use during infusion. Most of the commonly used infusion stands in hospital wards are fixed infusion stands, which are composed of a base, a vertical rod, and an infusion component. It can realize functions such as moving and hanging infusion bottles.

[0003] According to different types of infusion drugs and individual differences of patients, the required infusion speed is different. During this process, it is necessary to cooperate the infusion tube regulator with the hanging height of the infusion bottle. The existing infusion stand can complete height adjustment according to the hook used to change the hanging height of the infusion bottle, but its adjustable height is limited to the position of the set hook and cannot be used flexibly. For this reason, we propose a height adjustment device and an infusion device. Content of the Utility Model

[0004] Aiming at the deficiency of the inconvenient use caused by the fixed height of the infusion device in the prior art, the utility model provides a height adjustment device and an infusion device, which have the advantage of height adjustment.

[0005] To achieve the above object, the utility model provides the following technical solution: A height adjustment device includes a limiting rod, a lead screw is slidably connected inside the limiting rod, a fixed housing is fixedly connected to the top of the limiting rod, an adjusting mechanism is arranged inside the fixed housing, the top of the lead screw is fixedly connected with an installation housing, a fixing mechanism is arranged inside the installation housing, and a fixing ring is fixedly connected to the top of the installation housing;

[0006] The adjusting mechanism includes a worm, an installation groove corresponding to the worm is opened inside the fixed housing, the worm is rotatably connected inside the installation groove, and a worm gear is meshed outside the worm;

[0007] The fixing mechanism includes a threaded rod, the threaded rod is detachably connected inside the installation housing, and a clamp is rotatably connected to the tail of the threaded rod.

[0008] Preferably, a limiting groove is opened outside the lead screw, a hollow cylindrical protrusion is arranged at the top of the fixed housing, a limiting block corresponding to the limiting groove is arranged inside the cylindrical protrusion, and the limiting block is clamped inside the limiting groove.

[0009] Preferably, a knob is fixedly connected to the head of the worm, and a rotating block is fixedly connected to the head of the threaded rod. The knob is used to control the rotation of the worm, and the rotating block is used to control the rotation of the threaded rod.

[0010] Preferably, a lead screw sleeve is fixedly connected inside the worm gear. A threaded structure corresponding to the lead screw is provided inside the lead screw sleeve. The lead screw is detachably connected to the inside of the lead screw sleeve. A limiting groove corresponding to the lead screw sleeve is formed inside the fixed housing. The lead screw sleeve is rotatably connected inside the limiting groove, and the limiting groove is used to limit the position of the lead screw sleeve.

[0011] Preferably, a cylindrical groove is formed at the top of the fixing ring, and a rubber ring is arranged inside the groove. The rubber ring can cooperate with the clamp to fix the position of the support rod.

[0012] Preferably, a through hole corresponding to the fixing ring is formed at the top of the installation housing. A through groove is formed inside the rubber ring, and the size of the through groove inside the rubber ring can be adjusted to adapt to support rods of different specifications.

[0013] An infusion device includes a support rod and a base. The limiting rod is fixedly connected to the top of the base. The support rod is clamped inside the installation housing. A hook is fixedly connected to the outside of the support rod, and an infusion bottle can be hung outside the hook.

[0014] Beneficial effects:

[0015] 1. For the height adjustment device and the infusion device, the support rod for infusion is fixed through the fixing mechanism and the installation housing, and the height of the installation housing is adjusted by using the adjustment mechanism and the fixed housing to adjust the height of the infusion device.

[0016] 2. For the height adjustment device and the infusion device, by disassembling the existing infusion stand, the height adjustment device is combined with the infusion stand to form an infusion stand with adjustable height, avoiding the waste of the existing device and having practicality. Brief Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the knob of the present utility model;

[0019] Figure 3 is a schematic cross-sectional structural diagram of the present utility model;

[0020] Figure 4 is a schematic structural diagram of the adjustment mechanism of the present utility model.

[0021] In the figure: 1, support rod; 2, hook; 3, base; 4, limiting rod; 5, fixed housing; 6, lead screw; 7, adjusting mechanism; 8, mounting housing; 9, fixing mechanism; 10, fixing ring; 11, knob; 12, worm; 13, worm gear; 14, lead screw sleeve; 15, limiting groove; 16, limiting block; 17, rotating block; 18, threaded rod; 19, clamp; 20, rubber ring. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Embodiment 1

[0024] Please refer to Figures 1 - 4 , a height adjustment device, including a limiting rod 4, a lead screw 6 is slidably connected inside the limiting rod 4, a fixed housing 5 is fixedly connected to the top of the limiting rod 4, an adjusting mechanism 7 is arranged inside the fixed housing 5, a mounting housing 8 is fixedly connected to the top of the lead screw 6, a fixing mechanism 9 is arranged inside the mounting housing 8, and a fixing ring 10 is fixedly connected to the top of the mounting housing 8;

[0025] The adjusting mechanism 7 includes a worm 12, an installation groove corresponding to the worm 12 is opened inside the fixed housing 5, the worm 12 is rotatably connected inside the installation groove, and a worm gear 13 is meshed and connected to the outside of the worm 12;

[0026] The fixing mechanism 9 includes a threaded rod 18, the threaded rod 18 is detachably connected inside the mounting housing 8, and a clamp 19 is rotatably connected to the tail of the threaded rod 18.

[0027] Among them, a limiting groove 15 is opened on the outside of the lead screw 6, a hollow cylindrical protrusion is arranged on the top of the fixed housing 5, and a limiting block 16 corresponding to the limiting groove 15 is arranged inside the cylindrical protrusion, and the limiting block 16 is clamped inside the limiting groove 15.

[0028] Among them, a knob 11 is fixedly connected to the head of the worm 12, a rotating block 17 is fixedly connected to the head of the threaded rod 18, the knob 11 is used to control the rotation of the worm 12, and the rotating block 17 is used to control the rotation of the threaded rod 18.

[0029] Among them, a lead screw sleeve 14 is fixedly connected inside the worm gear 13. A thread structure corresponding to the lead screw 6 is arranged inside the lead screw sleeve 14. The lead screw 6 is detachably connected inside the lead screw sleeve 14. A limiting groove body corresponding to the lead screw sleeve 14 is opened inside the fixed outer shell 5. The lead screw sleeve 14 is rotatably connected inside the limiting groove body, and the limiting groove body is used to limit the position of the lead screw sleeve 14.

[0030] Among them, a cylindrical groove body is opened at the top of the fixed ring 10. A rubber ring 20 is arranged inside the groove body, and the rubber ring 20 can cooperate with the clamp 19 to fix the position of the support rod 1.

[0031] Among them, a through hole corresponding to the fixed ring 10 is opened at the top of the installation outer shell 8. A through groove body is opened inside the rubber ring 20, and the size of the groove body inside the rubber ring 20 can be adjusted to adapt to support rods 1 of different specifications.

[0032] Working principle: When the height adjustment device and the infusion device are in use, the infusion support rod 1 can be fixed by the fixing mechanism 9 cooperating with the installation outer shell 8, that is, the bottom of the support rod 1 passes through the rubber ring 20 and extends into the installation outer shell 8. Control the rotation block 17 to drive the threaded rod 18 to rotate. Through the threaded structure corresponding to the threaded rod 18 arranged on both sides of the installation outer shell 8, the threaded rod 18 moves. While the clamp 19 is clamped inside the installation outer shell 8 and cannot rotate, when the threaded rod 18 rotates by itself, it will push the clamp 19 to move inside the installation outer shell 8 to clamp the support rod 1, so as to cooperate with the rubber ring 20 to complete the fixation of the position of the support rod 1;

[0033] The threaded rod 18 and the adjustment mechanism 7 can be used to cooperate with the fixed outer shell 9 to adjust the height of the installation outer shell 8 so as to adjust the height of the infusion device, that is, control the knob 11 to drive the worm 12 to rotate, the worm 12 drives the worm gear 13 to rotate, the worm gear 13 drives the lead screw sleeve 14 to rotate. The lead screw sleeve 14 and the worm gear 13 are restricted by the fixed outer shell 5 and cannot move in the vertical direction. At the same time, the lead screw 6 is restricted by the limiting block 16 and cannot rotate. Therefore, when the lead screw sleeve 14 rotates, the lead screw 6 will move depending on the threaded structure that meshes with the lead screw sleeve 14, thereby driving the installation outer shell 8 to move and completing the adjustment of the height of the infusion device.

[0034] Embodiment 2

[0035] Please refer to Figures 1 - 4 , an infusion device, including a support rod 1 and a base 3. A limiting rod 4 is fixedly connected to the top of the base 3. The support rod 1 is clamped inside the installation outer shell 8. A hook 2 is fixedly connected to the outside of the support rod 1, and an infusion bottle can be hung outside the hook 2.

[0036] Working principle: When the height adjustment device and the infusion device are in use, the existing infusion stand can be disassembled to combine the height adjustment device with the infusion stand, that is, the support rod 1 and the base 3 are disassembled, the limiting rod 4 is fixed to the top of the base 3, and the support rod 1 is installed inside the installation housing 8 to form an infusion stand with adjustable height, avoiding the waste of the existing device and having practicability.

[0037] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A height adjustment device, comprising a limit rod (4), characterized in that: A lead screw (6) is slidably connected inside the limit rod (4). A fixed outer shell (5) is fixedly connected to the top of the limit rod (4). An adjusting mechanism (7) is arranged inside the fixed outer shell (5). An installation outer shell (8) is fixedly connected to the top of the lead screw (6). A fixing mechanism (9) is arranged inside the installation outer shell (8). A fixing ring (10) is fixedly connected to the top of the installation outer shell (8). The adjusting mechanism (7) includes a worm (12). An installation groove corresponding to the worm (12) is formed inside the fixed outer shell (5). The worm (12) is rotatably connected inside the installation groove. A worm gear (13) is meshed and connected to the outside of the worm (12). The fixing mechanism (9) includes a threaded rod (18). The threaded rod (18) is detachably connected inside the installation outer shell (8). A clamp (19) is rotatably connected to the tail of the threaded rod (18).

2. The height adjustment device according to claim 1, wherein: A limit groove (15) is formed on the outside of the lead screw (6). A hollow cylindrical protrusion is arranged on the top of the fixed outer shell (5). A limit block (16) corresponding to the limit groove (15) is arranged inside the cylindrical protrusion. The limit block (16) is clamped inside the limit groove (15).

3. The height adjustment device according to claim 1, wherein: A knob (11) is fixedly connected to the head of the worm (12). A rotating block (17) is fixedly connected to the head of the threaded rod (18). The knob (11) is used to control the rotation of the worm (12). The rotating block (17) is used to control the rotation of the threaded rod (18).

4. A height adjustment device according to claim 1, characterized in that: A lead screw sleeve (14) is fixedly connected inside the worm gear (13). A thread structure corresponding to the lead screw (6) is arranged inside the lead screw sleeve (14). The lead screw (6) is detachably connected inside the lead screw sleeve (14). A limit groove corresponding to the lead screw sleeve (14) is formed inside the fixed outer shell (5). The lead screw sleeve (14) is rotatably connected inside the limit groove. The limit groove is used to limit the position of the lead screw sleeve (14).

5. A height adjustment device according to claim 1, wherein: A cylindrical groove is formed on the top of the fixing ring (10). A rubber ring (20) is arranged inside the groove.

6. The height adjustment device according to claim 5, characterized in that: A through hole corresponding to the fixing ring (10) is formed on the top of the installation outer shell (8). A through groove is formed inside the rubber ring (20).

7. An infusion device, comprising the height adjustment device according to any one of claims 1-6, characterized in that: It further includes a support rod (1) and a base (3). The limit rod (4) is fixedly connected to the top of the base (3). The support rod (1) is clamped inside the installation outer shell (8). A hook (2) is fixedly connected to the outside of the support rod (1).