A transfusion support which can be easily assembled and disassembled

Abstract

The utility model provides an infusion support easy to dismount, including main seat, be used for supporting infusion bag's support mechanism, be used for quick installation and dismounting support mechanism and adjusting support mechanism height's quick release assembly, the support mechanism includes support rod, set up on the hook seat of support rod, slip fit in the sleeve of support rod, set up in the support leg of sleeve and articulate in the connecting rod of support rod, the support leg is by at least two articulated in the branch of support rod composition, the number of connecting rod corresponds to the number setting of branch, a plurality of connecting rod is articulated in a plurality of branches one to one, when the sleeve slides along support rod, drive connecting rod, branch rotation to fold or unfold the support leg, when the support leg is folded, the outer edge of the support leg section and the outer edge of the sleeve are completely consistent in shape and size. The utility model has the advantages of high practicality, high convenience, easy to dismount.

Description

Technical Field

[0001] This utility model relates to the technical field of infusion stands, and in particular to an easily detachable infusion stand. Background Technology

[0002] An IV stand is a key piece of equipment used in medical care to hang IV bags. It is one of the most common nursing tools in clinical nursing activities. It is usually located next to the patient's hospital chair. The patient sits in the chair, the IV bag is hung on the IV stand, and the nurse administers the IV.

[0003] Because the medications or nutritional solutions administered during intravenous infusion need to enter the bloodstream gradually to ensure they can work effectively and to avoid adverse reactions that may result from rapid injection, intravenous infusion is usually a relatively slow and continuous process.

[0004] Existing IV stands, such as the utility model with authorization publication number CN206642163U, involve a multifunctional IV stand for hospital nursing, including a support base, a fixed main rod disposed on the support base, a disc fixing frame disposed on the fixed main rod, and a hook disposed on the disc fixing frame for suspending IV bags. A first connecting rod is fixedly connected to the fixed main rod, and a second connecting crossbar is hinged to the first connecting rod. A collection bracket is disposed on the second connecting rod. In use, the IV bag is suspended on the hook for infusion, and a mobile phone is placed on the mobile phone holder, which helps patients make effective use of time during long infusions.

[0005] However, due to prolonged sitting and the infusion process, the existing infusion stand technology requires patients to push the entire stand to move when they want to get up or move around. The infusion stand is quite bulky, which is inconvenient for caregivers and patients. Utility Model Content

[0006] To address the issue that existing IV stands are inconvenient for caregivers and patients, this invention provides an IV stand that is highly practical, convenient, and easy to assemble and disassemble.

[0007] The present invention provides an easily detachable infusion stand, which adopts the following technical solution: An easily detachable infusion stand includes a main base, a support mechanism for supporting an infusion bag, and a quick-release assembly for quickly installing and removing the support mechanism and adjusting the height of the support mechanism. The support mechanism includes a support rod, a hook seat mounted on the support rod, a sleeve that slides on the support rod, a support leg mounted on the sleeve, and a connecting rod hinged to the support rod. The support leg consists of at least two branches hinged to the support rod. The number of connecting rods corresponds to the number of branches, and multiple connecting rods are hinged to multiple branches one-to-one. When the sleeve slides along the support rod, it drives the connecting rod and branches to rotate to retract or extend the support leg. When the support leg is retracted, the outer edge of the support leg cross-section completely matches the outer edge of the sleeve in shape and size.

[0008] By adopting the above technical solution, during infusion, the infusion bag is suspended from the hook base for patient administration. When the patient moves, the support mechanism can be disassembled and removed using the quick-release assembly, allowing for easy movement of the infusion bag without the need for strenuous adjustment or movement of the infusion stand. Simultaneously, the support rod provides partial height support, eliminating the need for the patient or caregiver to lift the support mechanism excessively high. For temporary support, the outriggers are extended by sliding the drive sleeve along the support rod, temporarily placing the support mechanism on a flat surface, freeing the patient or caregiver's hands for other operations. To return to its original position, the drive sleeve is reset, and the support mechanism is reinstalled on the main base using the quick-release assembly. In summary, the infusion stand not only provides convenience for patients but also significantly reduces the burden on caregivers, optimizing the user experience during infusion.

[0009] Preferably, the main seat includes a base and a support column disposed on the base, and a mobile phone holder is fixedly connected to the support column.

[0010] By adopting the above technical solution, the main seat and mobile phone holder are integrated, so that patients can use their mobile phones while receiving intravenous infusion, helping them to make effective use of time during long infusion processes.

[0011] Preferably, the phone holder is a gooseneck phone holder.

[0012] By adopting the above technical solution, the phone holder can be adjusted to any direction by bending or twisting the neck of the phone holder.

[0013] Preferably, the hook seat includes a hook cap and a plurality of hooks integrally formed on the hook cap, and the support rod is engaged with the hook cap.

[0014] By adopting the above technical solution, the hook seat can securely fix multiple hooks through the snap-fit ​​cooperation between the support rod and the hook cap, providing reliable support and convenient item hanging function.

[0015] Preferably, one end of the support column is provided with a guide groove, and the sleeve and the support leg in the retracted state are both slidably engaged with the guide groove; The quick-release assembly includes a locking ring disposed at one end of the support column and near the guide groove, a locking shaft disposed on the locking ring, and an eccentric handle hinged to the locking shaft; the opening of the locking ring forms a telescopic space, and a through hole is provided on the locking ring, which passes through the locking ring and communicates with the telescopic space, and the locking shaft passes through the through hole; a locking nut is threadedly connected to the end of the locking shaft opposite to the eccentric handle.

[0016] By adopting the above technical solution, during locking, the sleeve and the retracted outrigger are inserted into the guide groove. By holding and rotating the eccentric handle, the eccentric handle presses against the locking ring and compresses the telescopic space, thus locking the sleeve in place, allowing the support mechanism to be installed on the main seat. During release, by holding and rotating the eccentric handle, the locking ring is released, releasing the telescopic space, thus loosening the sleeve and allowing the support mechanism to be removed. The eccentric handle eliminates the need for complex tools or additional operations, greatly improving the convenience of installation and disassembly, simplifying operation, and enabling quick installation and disassembly, making it convenient for patients or caregivers to use.

[0017] Preferably, the sleeve is further provided with a limit ring.

[0018] By adopting the above technical solution, when the sleeve and the outrigger in the retracted state are inserted into the guide groove, the limiting ring can limit the insertion, prevent excessive insertion, and achieve rapid positioning.

[0019] Preferably, the main seat is further provided with an infusion warning component for infusion warning. The infusion warning component includes a hanging ring on the main seat, an infusion warning element for providing infusion alarm, and a hook lock on the infusion warning element. An anti-loss rope is tied to the infusion warning element, and the hook lock realizes the locking and separation of the anti-loss rope from the hanging ring.

[0020] By adopting the above technical solution, the anti-loss rope and hanging ring are separated by the hook lock during use. The infusion alarm device monitors the infusion process. After the infusion is completed, the infusion alarm device alerts the medical staff. Then, the hook lock is used to re-lock the anti-loss rope and hanging ring, which facilitates the storage of the equipment and prevents loss. The design of the infusion warning component takes into account the ease of use, safety and equipment protection, enabling nurses to help patients effectively monitor and care for them through simple operation.

[0021] Preferably, both the support column and the hanging ring are made of stainless steel.

[0022] By adopting the above technical solutions, stainless steel metal possesses corrosion resistance, durability, and safety, making it suitable for medical environments.

[0023] Preferably, the hook lock is an openable carabiner.

[0024] By adopting the above technical solutions, carabiners provide fast and reliable connection and release functions, improving the safety and convenience of use.

[0025] Compared with the prior art, the present invention has the following beneficial effects: When the patient is moving, the support mechanism can be easily disassembled without having to push the IV stand forcefully. The support rod provides stable height support, avoiding excessive lifting. For temporary support, the outriggers can be extended by sliding the drive sleeve, allowing the support mechanism to be placed on a flat surface, freeing the hands of the patient or caregiver and improving the convenience and comfort of the IV infusion process. This also enables convenient movement and support of the IV bag. 2. The main seat and mobile phone holder are integrated to allow patients to use their mobile devices while receiving intravenous infusion, helping them to make effective use of time during long infusion processes; 3. The eccentric handle eliminates the need for complex tools or additional operations, greatly improving the ease of installation and disassembly, simplifying operation, and enabling quick installation and disassembly, making it convenient for patients or caregivers to use. 4. The infusion warning component is designed to balance ease of use, safety, and equipment protection, enabling nurses to effectively monitor and care for patients through simple operation. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments 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 based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0028] Figure 2 This is a schematic diagram showing the relationship of the support mechanism after disassembly in an embodiment of this utility model.

[0029] Figure 3 This is a schematic diagram of the unfolded support leg in an embodiment of this utility model.

[0030] Figure 4 This is a schematic diagram of the connecting rod in an embodiment of this utility model.

[0031] Figure 5 This is a schematic diagram of the structure of the infusion early warning component in an embodiment of this utility model.

[0032] The component numbers are as follows: 1. Main seat; 11. Base; 12. Support column; 2. Support rod; 3. Hook seat; 31. Hook cap; 32. Hook; 4. Sleeve; 5. Support leg; 51. Branch; 6. Connecting rod; 7. Mobile phone holder; 8. Guide groove; 9. Locking ring; 10. Locking shaft; 13. Eccentric handle; 131. Eccentric wheel; 132. Handle; 14. Telescopic space; 15. Locking nut; 16. Limiting ring; 17. Hanging ring; 18. Infusion warning device; 19. Hook lock; 20. Anti-loss rope. Detailed Implementation

[0033] The following will refer to the appendix in the embodiments of this utility model. Figures 1 to 5 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0034] An easily detachable IV stand, as shown in the reference. Figure 1 The system includes a main base 1 and a mobile phone holder 7 mounted on the main base 1. The main base 1 includes a circular base 11 and a support column 12 mounted on the base 11. The support column 12 is a cylinder distributed vertically. The radius of the base 11 is larger than the radius of the support column 12, and the center of the base 11 and the center of the support column 12 are on the same axis. The mobile phone holder 7 is fitted and fixed to the support column 12. The mobile phone holder 7 is existing technology, and this embodiment uses a gooseneck type mobile phone holder 7. That is, by bending or twisting the gooseneck of the mobile phone holder 7, the mobile phone holder 7 can be adjusted to any direction. This embodiment uses a commercially available gooseneck type mobile phone holder 7 for assembly and connection, realizing the integration of the main base 1 and the mobile phone holder 7, so that the patient can use the mobile phone device while receiving intravenous infusion, helping the patient to make effective use of time during long infusion processes.

[0035] Reference Figure 1 and Figure 2 The main seat 1 is also equipped with a support mechanism for supporting the infusion bag, and a quick-release assembly for quickly installing and removing the support mechanism and adjusting its height. Specifically, the support mechanism includes a support rod 2, a hook seat mounted on the support rod 2, and a secondary support assembly that can be unfolded or retracted.

[0036] Reference Figure 3 and Figure 4The support rod 2 is a long rod with a flat, circular cross-section at the bottom, and it is distributed along the length of the support column 12. The hook holder includes a hook cap 31 and hooks 32 integrally formed on the hook cap 31. The hook cap 31 has a slot, and the support rod 2 engages with the slot on the hook cap 31. The hooks 32 are used to hang infusion bags. Multiple hooks 32 are provided, specifically three, and they are evenly spaced along the circumference of the support column 12 to allow for the simultaneous hanging of multiple infusion bags or other patient items. This allows the hook holder to secure multiple hooks 32 and provides reliable support and convenient item hanging functionality.

[0037] Reference Figure 3 and Figure 4 The secondary support assembly includes a sleeve 4 slidably mounted on the support rod 2, a support leg 5 mounted on the sleeve 4, and a connecting rod 6 hinged to the support rod 2. The sleeve 4 is a flat-bottomed, circular, cylindrical shape, distributed along the length of the support rod 2. The sleeve 4 is fitted onto the support rod 2, and the sleeve 4 slides in conjunction with the support rod 2. The shape of the sleeve 4 and the support rod 2 limits the rotation of the sleeve 4, preventing it from rotating while sliding on the support rod 2. The support leg 5 is located at one end of the sleeve 4 and consists of at least two branches 51. Multiple connecting rods 6 are hinged one-to-one to multiple branches 51. In this embodiment, the support leg 5 consists of three branches 51, which are evenly spaced along the circumferential direction of the support column 12. All three branches 51 are hinged to the sleeve 4 and located at the same end of the sleeve 4. One end of the connecting rod 6 is hinged to the end of the support rod 2, and the connecting rod 6 is away from the hook seat. The other end of the connecting rod 6 is hinged to the inside of the branch 51. There are three connecting rods 6 corresponding to the number of branches 51. All three connecting rods 6 are hinged to the same end of the support rod 2. The ends of the three connecting rods 6 away from the support rod 2 are hinged to the three branches 51 one by one.

[0038] By sliding the drive sleeve 4 along the length of the support rod 2, the branches 51 rotate to their minimum distance at the hinge, i.e., when all three branches 51 are arranged in a straight line at 180 degrees with the support rod 2, the three branches 51 interlock to form a columnar support leg 5. The outer edge of the support leg 5's cross-section perfectly matches the outer edge of the sleeve 4 in shape and size. Simultaneously, the connecting rod 6 rotates and retracts into the support leg 5, allowing the support leg 5 to be retracted for easy handling by the patient or caregiver, facilitating patient movement. By sliding the drive sleeve 4 along the length of the support rod 2, the branches 51 rotate to their maximum distance at the hinge, i.e., when all three branches 51 are arranged at an obtuse angle of 135 degrees with the support rod 2, the support leg 5 can be unfolded. The three branches 51 support the support rod 2 on a flat surface, keeping the support rod 2 upright, thereby supporting the infusion bag and other items suspended on the hook 32. This allows the patient or caregiver to temporarily place these items, freeing their hands for other operations.

[0039] In use, the infusion bag is suspended on hook 32 for infusion. When the patient is moving, the support mechanism can be detached from the main seat 1 using the quick-release assembly. The patient or caregiver can then easily move around by holding any part of the support mechanism without moving the main seat 1. For temporary support, the outrigger 5 can be extended by sliding the drive sleeve 4 along the length of the support rod 2, allowing the support mechanism to be temporarily placed on a flat surface, freeing the patient or caregiver's hands for other operations. To return to its original position, the drive sleeve 4 is reset, and the support mechanism can be reattached to the main seat 1 using the quick-release assembly.

[0040] Specifically, refer to Figure 2 and Figure 5 The quick-release assembly includes a locking ring 9 disposed on the main seat 1, a locking shaft 10 disposed on the locking ring 9, and an eccentric handle 13 hinged to the locking shaft 10.

[0041] Reference Figure 2 and Figure 5 One end of the support column 12 is provided with a guide groove 8, which is distributed along the length of the support column 12. The sleeve 4 slides in engagement with the guide groove 8. When the support leg 5 is retracted, the support leg 5 also slides in engagement with the guide groove 8, allowing the sleeve 4 and the retracted support leg 5 to easily extend into or out of the guide groove 8. In addition, a limit ring 16 is provided on the sleeve 4. The limit ring 16 is connected to one end of the sleeve 4 and is opposite to the support leg 5. When the sleeve 4 and the retracted support leg 5 are extended into the guide groove 8, the limit ring 16 limits their insertion, preventing over-extension and enabling rapid positioning.

[0042] Reference Figure 2 and Figure 5 The locking ring 9 is an open circular ring structure, located at one end of the support column 12 and close to the guide groove 8, and facing away from the base 11. A telescopic space 14 is formed at the opening of the locking ring 9. A circular through hole is provided on the locking ring 9, passing through the locking ring 9 and connecting to the telescopic space 14. The locking shaft 10 is distributed along the length direction perpendicular to the support column 12, passing through the through hole, and both ends of the locking shaft 10 extend beyond the locking ring 9. The eccentric handle 13 includes an eccentric wheel portion 131 and a handle portion 132 integrally formed on the eccentric wheel portion 131. The eccentric wheel portion 131 is hinged to the end of the locking shaft 10 extending beyond the locking ring 9, and the shape of the handle portion 132 is adapted to the outer wall of the locking ring 9. A locking nut 15 is provided at the other end of the locking shaft 10 extending beyond the locking ring 9, and the locking nut 15 is threadedly connected to the locking shaft 10.

[0043] When loosening, by holding and rotating the handle portion 132 of the eccentric handle 13, the eccentric wheel portion 131 loosens the locking ring 9 and releases the telescopic space 14, thereby loosening the sleeve 4 and allowing the support mechanism to be removed or its position adjusted. When locking, by inserting the sleeve 4 and the retracted outrigger 5 into the guide groove 8, and limiting the maximum insertion distance by the limiting ring 16, by holding and rotating the handle portion 132 of the eccentric handle 13, the eccentric wheel portion 131 presses against the locking ring 9 and compresses the telescopic space 14, thereby locking the sleeve 4 or outrigger 5, and the support mechanism can be installed on the main seat 1. The eccentric handle 13 eliminates the need for complex tools or additional operations, greatly improving the convenience of installation and disassembly, simplifying operation, and enabling quick installation and disassembly, making it convenient for patients or caregivers to use.

[0044] In addition, refer to Figure 5 The main seat 1 is also equipped with an infusion warning component for infusion warning. Specifically, the infusion warning component includes a hanging ring 17 installed on the main seat 1, an infusion warning element 18 for providing infusion alarm, and a hook lock 19 installed on the infusion warning element 18.

[0045] Reference Figure 5 The hanging ring 17 is semi-circular and is fixedly connected to the support column 12. In this embodiment, both the support column 12 and the hanging ring 17 are made of stainless steel. Using stainless steel as the material for the support column 12 and the hanging ring 17 can improve the durability, safety, and long-term performance of the product, making it suitable for medical environments. The hanging ring 17 is fixedly connected to the support column 12 by welding. The infusion alarm component 18 is existing technology. For example, in this embodiment, an infusion reminder device produced by Kefu Medical Technology Co., Ltd. is used. When in use, the infusion alarm component is clamped to the infusion tube, and the power button is pressed to enter the monitoring state. After the infusion is completed, a buzzer is sounded and a red light flashes. An anti-loss rope 20 is attached to the infusion alarm component 18. The hook lock 19 is an existing openable carabiner. The hook lock 19 is used to lock and separate the anti-loss rope 20 from the hanging ring 17, so that the infusion alarm component 18 can be easily stored when not in use.

[0046] In use, the anti-loss rope 20 and hanging ring 17 are separated by the hook lock 19, and the infusion alarm is clamped to the infusion tubing. The power button is pressed to enter monitoring mode. After the infusion is complete, a buzzer sound is emitted accompanied by a flashing red light to notify medical staff. Then, the infusion alarm is removed from the infusion tubing, and the anti-loss rope 20 and hanging ring 17 are re-locked by the hook lock 19 for easy storage and to prevent loss. Because patients are often unattended in clinical settings, especially in an aging society, many elderly people lack companionship or have vision problems that prevent them from clearly perceiving the remaining amount in the infusion bag, leading to frequent cases of backflow in the infusion set. The infusion alarm component design balances ease of use, safety, and equipment protection, enabling nurses to effectively monitor and care for patients through simple operation.

[0047] The implementation principle of this application is as follows: During intravenous infusion, suspend the infusion bag on hook 32, separate the anti-loss rope 20 and hanging ring 17 using hook lock 19, clamp the infusion alarm device to the infusion tubing, and press the power button to enter monitoring mode. At this time, the direction of the mobile phone holder 7 can be adjusted by bending or twisting the gooseneck of the holder, so that the patient can use the mobile phone device while receiving infusion, helping the patient to make effective use of time during long infusion processes.

[0048] When the patient is moving, by holding and rotating the handle part 132 of the eccentric handle 13, the eccentric wheel part 131 releases the locking ring 9 and the telescopic space 14, thereby releasing the sleeve 4 and allowing the support mechanism to be removed for easy movement of the infusion bag. Simultaneously, the support rod 2 provides partial height support, eliminating the need for the patient or caregiver to lift the support mechanism to an excessively high position for support, and freeing the caregiver from strenuous adjustment or movement of the infusion stand. For temporary support, by driving the sleeve 4 to slide along the length of the support rod 2, the outrigger 5 is extended, allowing the support mechanism to be temporarily placed on a flat surface, freeing the patient or caregiver's hands for other operations. When returning to its original position, the sleeve 4 is reset by driving the sleeve 4. The sleeve 4 and the retracted support leg 5 are inserted into the guide groove 8 and limited by the limiting ring 16. By holding and rotating the handle part 132 of the eccentric handle 13, the eccentric wheel part 131 presses the locking ring 9 and compresses the telescopic space 14, thereby locking and fixing the sleeve 4. The support mechanism can then be installed on the main seat 1.

[0049] After the infusion is completed, a buzzer will sound and a red light will flash to notify medical staff. Then, the infusion alarm will be removed from the infusion tube, and the anti-loss rope 20 and the hanging ring 17 will be locked again by the hook lock 19 to facilitate the storage of the equipment and prevent loss.

[0050] In summary, IV stands not only provide convenience for patients but also greatly reduce the burden on caregivers and optimize the user experience during IV infusion.

[0051] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. An easily detachable infusion stand, characterized in that: Includes a main seat (1), a support mechanism for supporting the infusion bag, and a quick-release assembly for quickly installing and removing the support mechanism and adjusting the height of the support mechanism; The support mechanism includes a support rod (2), a hook seat (3) disposed on the support rod (2), a sleeve (4) slidably fitted to the support rod (2), a support leg (5) disposed on the sleeve (4), and a connecting rod (6) hinged to the support rod (2); the support leg (5) is composed of at least two branches (51) hinged to the support rod (2); the number of connecting rods (6) corresponds to the number of branches (51), and multiple connecting rods (6) are hinged to multiple branches (51) one by one; when the sleeve (4) slides along the support rod (2), it drives the connecting rod (6) and branches (51) to rotate to retract or extend the support leg (5); when the support leg (5) is retracted, the outer edge of the cross section of the support leg (5) and the outer edge of the sleeve (4) are completely matched in shape and size; The main seat (1) includes a base (11) and a support column (12) disposed on the base (11), and a mobile phone holder (7) is fixedly connected to the support column (12); One end of the support column (12) is provided with a guide groove (8), and the sleeve (4) and the support leg (5) in the retracted state are slidably engaged with the guide groove (8); the quick-release assembly includes a locking ring (9) set at one end of the support column (12) and close to the guide groove (8), a locking shaft (10) set on the locking ring (9), and an eccentric handle (13) hinged to the locking shaft (10); a telescopic space (14) is formed at the opening of the locking ring (9), and a through hole is provided on the locking ring (9) and connected to the telescopic space (14), and the locking shaft (10) passes through the through hole; a locking nut (15) is threadedly connected to the end of the locking shaft (10) away from the eccentric handle (13).

2. The easily detachable infusion stand according to claim 1, characterized in that: The phone holder (7) is a gooseneck phone holder (7).

3. The easily detachable infusion stand according to claim 1, characterized in that: The hook seat (3) includes a hook cap (31) and a plurality of hooks (32) integrally formed on the hook cap (31), and the support rod (2) is engaged with the hook cap (31).

4. The easily detachable infusion stand according to claim 1, characterized in that: A limit ring (16) is also provided on the sleeve (4).

5. The easily detachable infusion stand according to claim 1, characterized in that: The main seat (1) is also provided with an infusion warning component for infusion warning. The infusion warning component includes a hanging ring (17) on the main seat (1), an infusion warning element (18) for providing infusion alarm, and a hook lock (19) on the infusion warning element (18). An anti-loss rope (20) is tied to the infusion warning element (18), and the hook lock (19) realizes the locking and separation of the anti-loss rope (20) and the hanging ring (17).

6. The easily detachable infusion stand according to claim 5, characterized in that: Both the support column (12) and the hanging ring (17) are made of stainless steel.

7. The easily detachable infusion stand according to claim 5, characterized in that: The hook lock (19) is a carabiner that can be opened and closed.

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