Syringe needle dismounting device

Abstract

The utility model discloses a syringe needle dismounting device. The syringe needle dismounting device comprises a cabinet body, a dismounting mechanism and a material taking manipulator, wherein the top of the cabinet body is provided with an injector placing area for vertically placing an injector, so that a needle head of the injector extends into the cabinet body; a storage box is arranged in the cabinet body; the dismounting mechanism is arranged in the cabinet body and located above the storage box; the dismounting mechanism applies a rotating force taking the axis of the dismounting mechanism as a rotating shaft and a vertically downward pulling force to the needle head of the injector in the injector placing area, so that the cylinder body of the injector is separated from the needle head of the injector, and the needle head falls into the storage box; a barrel discharging opening is formed in the top of the cabinet body, and a barrel is transferred to the position over the barrel discharging opening through the material taking mechanical arm. And the barrel falls into the storage box. According to the device, the needle and the cylinder of the injector can be rapidly separated and recycled, medical care does not touch the needle, force does not need to be applied, time is saved, and the process is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of medical device recycling, in particular to a syringe needle disassembly device. Background Art

[0002] Today's large hospitals need to use a large number of syringes every day. For detachable syringes, they need to be separated after use, and then classified and recycled, waiting for centralized processing.

[0003] The existing technologies are mainly divided into manual separation and semi-mechanized separation. In manual separation, the nurse manually pulls out the syringe and then puts it into different recycling bins. During this process, the sharp needle can easily pierce the operator's hand and cause infection. Semi-mechanized separation uses a sharps box. During operation, although there is no need to touch the needle, it is still necessary to manually insert the syringe needle into the sharps box, and then lift the syringe upward with force to separate the needle and the syringe. The process requires one hand to fix the sharps box and the other hand to apply force to the syringe. However, in the process of repeated handling, it is very easy for the needle to not be stuck in the correct position. Applying force to the syringe in this state will cause the needle to quickly detach from the sharps box. The whole process is like quickly lifting a sharp weapon, which can easily cause scratches to yourself and others and cause infection.

[0004] There are also special needle disassembly devices in the prior art. For example, the Chinese utility model patent with application number 202020251377.5 discloses a disassembly device for a syringe needle, including a box body, a placement hole, a connecting rope, a rubber stopper, a moving mechanism, a clamping mechanism, and a push rod. The disassembly device for the syringe needle can isolate the syringe needle from the outside world. Medical staff can then use the clamping mechanism of the device to disassemble and separate the needle isolated from the outside world and the syringe exposed to the outside world. It can be seen that by using the device in this application, incidents of injuring medical staff during needle disassembly can be prevented, thereby avoiding infection of medical staff and protecting medical staff.

[0005] However, this structure still requires medical staff to operate with both hands during use, just to prevent the needle from detaching from the box during the separation process. Safety is guaranteed, but the operation is cumbersome. If used for window injection, it will affect the efficiency of daily patient medical treatment. Utility Model Content

[0006] The purpose of the utility model is to provide a syringe needle disassembly device, which uses a mechanical method to separate the needle and the barrel, thereby avoiding the needle scratching people and causing infection, reducing the labor intensity of medical care, and solving the technical problems in the prior art.

[0007] In order to solve the above technical problems, the utility model specifically provides the following technical solutions: a syringe needle disassembly device, comprising:

[0008] The cabinet has a syringe placement area on the top for the syringe to be placed vertically, so that the needle of the syringe can be inserted into the cabinet; a storage box is provided inside the cabinet;

[0009] The disassembly mechanism is arranged inside the cabinet and above the storage box; the disassembly mechanism simultaneously applies a rotational force with its own axis as the rotation axis and a vertical downward pulling force to the mounting cap of the needle of the syringe in the syringe placement area, so that the barrel of the syringe and the needle of the syringe are separated;

[0010] The material-retrieving robot is provided with a cylinder unloading port on the top of the cabinet, and the material-retrieving robot transfers the cylinder to just above the cylinder unloading port; the cylinder unloading port is located above the storage box.

[0011] Furthermore, the center position of the top of the cabinet extends inward to form a base, the top of the base is provided with a cylindrical countersunk hole for placing a syringe, the bottom of the base is provided with a cylindrical cavity for setting a disassembly mechanism, and the cylindrical countersunk hole and the cylindrical cavity are communicated.

[0012] Furthermore, the large hole in the cylindrical counterbore is in clearance with the barrel of the syringe, the diameter of the small hole is smaller than the diameter of the barrel and larger than the diameter of the needle mounting cap; the depth of the cylindrical counterbore is at least greater than 1 / 3 of the length of the barrel.

[0013] Furthermore, the disassembly mechanism includes a mounting platform, and a clamping device, a rotating device and a lifting device arranged on the mounting platform; the mounting platform is a cylinder, which is arranged in the cylindrical cavity, and the mounting platform is provided with a first through hole for the needle to pass through at its own axis position;

[0014] The clamping device is used to clamp the mounting cap of the needle;

[0015] The rotating device drives the clamping device to rotate with the axis of the needle as the rotating axis;

[0016] The lifting device drives the installation platform to move up and down along the vertical direction in the cylindrical cavity.

[0017] Furthermore, the mounting platform includes a fixed platform and a moving platform arranged on the fixed platform, and the two are connected for relative rotation; the clamping device is arranged on the moving platform, and after the clamping device clamps the needle, the axis of the needle overlaps with the axis of the moving platform itself, and the rotating device drives the moving platform to rotate with its own axis as the rotating axis.

[0018] Furthermore, the clamping device comprises at least two sets of electric telescopic rods, the ends of the electric telescopic rods are provided with clamping plates, and a surface of the clamping plate in contact with the mounting cap of the needle is provided with a plurality of sharp protrusions;

[0019] The telescopic direction of the electric telescopic rod is toward the mounting cap of the needle.

[0020] Furthermore, the bottom of the fixed platform extends downward at the first through hole to form a pipe, the movable platform expands outward at the first through hole to form a second through hole, and a bearing is provided between the pipe and the second through hole, and both of them and the bearing are interference fit;

[0021] The rotating device includes a first motor, a first gear and a gear ring; the first motor is vertically arranged upward in the fixed platform, the first motor drives the first gear to rotate, the gear ring is sleeved on the outside of the pipeline and fixed at the connection between the fixed platform and the pipeline; the first gear and the gear ring are meshed.

[0022] Furthermore, the lifting device includes a second motor, a second gear and a rack; the second motor drives the second gear to rotate to form a driving member, the driving member includes at least 2 groups, a cavity for accommodating the driving member is provided in the fixed platform, and the driving members are distributed circumferentially at equal intervals on the projection surface;

[0023] The rack is arranged corresponding to the driving member, the rack is vertically arranged on the inner side wall of the cylindrical cavity, and the second gear is meshed with the rack, and the meshing position of the two is located outside the fixed platform.

[0024] Furthermore, the material taking manipulator is driven to rotate by a third motor;

[0025] The distance between the rotation axis of the material taking robot and the axis of the cylindrical counterbore is consistent with the distance between the rotation axis of the material taking robot and the center point of the barrel discharge port.

[0026] Furthermore, the cabinet body is provided with a cabinet door at a position corresponding to the storage box;

[0027] The interior of the storage box is divided into a needle storage area and a barrel storage area by a partition, the needle storage area is located in the middle, and the barrel storage area wraps the needle storage area;

[0028] The disassembly mechanism is located above the needle storage area, and the barrel discharge port is located above the barrel storage area.

[0029] Compared with the prior art, the utility model has the following beneficial effects: after the medical staff use the syringe, they only need to insert the needle of the syringe downward into the syringe placement area, and the device automatically completes the needle disassembly and classification recovery steps. The needle and the barrel are separated by the disassembly mechanism, and the needle falls directly into the storage box. The material taking robot moves the barrel to the barrel discharge port and falls into the storage box.

[0030] After the injection is completed, medical staff can use this device to immediately separate and recover the needle and barrel of the syringe, saving time and simplifying the process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0032] Figure 1 A schematic diagram of the overall structure of this application;

[0033] Figure 2 It is a structural schematic diagram of the disassembled structure in this application;

[0034] Figure 3 It is a schematic diagram of the installation of the driving member of the lifting device in this application;

[0035] Figure 4 yes Figure 3 A schematic diagram of the structure of the middle driving part;

[0036] Figure 5 is a top view of the top of the cabinet in this application;

[0037] Figure 6 It is a top view of the storage box in this application.

[0038] The numbers in the figure represent the following:

[0039] 1-cabinet, 11-syringe placement area, 12-storage box, 13-barrel discharge port, 14-base, 15-cylindrical countersunk hole, 16-cylindrical cavity, 17-cabinet door, 18-start switch, 19-proximity switch;

[0040] 121-needle storage area, 122-barrel storage area, 123-partition;

[0041] 2-disassembly mechanism, 21-installation platform, 211-first through hole, 212-moving platform, 213-fixed platform, 214-pipeline, 215-second through hole, 216-bearing;

[0042] 221-electric telescopic rod, 222-clamping plate, 223-sharp protrusion;

[0043] 231 - first motor, 232 - first gear, 233 - ring gear;

[0044] 241 - second motor, 242 - second gear, 243 - rack, 244 - cavity, 245 - auxiliary gear, 246 - bevel gear set;

[0045] 3- material taking manipulator, 31- third motor;

[0046] 4-Syringe. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0048] like Figure 1 and Figure 5 As shown, the utility model provides a syringe needle disassembly device, comprising a cabinet 1, a disassembly mechanism 2 and a material taking manipulator 3.

[0049] Among them, a syringe placement area 11 is provided on the top of the cabinet 1 for vertically placing the syringe 4, so that the needle of the syringe 4 extends into the interior of the cabinet 1; a storage box 12 is provided inside the cabinet 1; a disassembly mechanism 2 is arranged inside the cabinet 1, above the storage box 12; the disassembly mechanism 2 applies a rotational force with its own axis as the rotating axis and a vertical downward pulling force to the needle of the syringe 4 in the syringe placement area 11, so that the barrel of the syringe 4 and the needle of the syringe 4 are separated; a barrel discharge port 13 is provided on the top of the cabinet 1, and the material picking robot 3 transfers the barrel to just above the barrel discharge port 13; the barrel discharge port 13 is located above the storage box 12.

[0050] After the medical staff has used the syringe, they only need to place the needle of the syringe downward in the syringe placement area, and complete the separation of the needle and the barrel through the disassembly mechanism. The needle then falls directly into the storage box. The material picking robot moves the barrel to the barrel unloading port and drops it into the storage box. The device can automatically complete the needle disassembly and classification recovery steps.

[0051] The center position of the top of the cabinet 1 extends inward to form a base 14. The top of the base 14 is provided with a cylindrical countersunk hole 15 for placing the syringe 4. The bottom of the base 14 is provided with a cylindrical cavity 16 for setting the disassembly mechanism 2. The cylindrical countersunk hole 15 and the cylindrical cavity 16 are communicated.

[0052] The large hole in the cylindrical countersunk hole 15 fits with the clearance of the barrel of the syringe 4, and the diameter of the small hole is smaller than the diameter of the barrel and larger than the diameter of the needle mounting cap; the depth of the cylindrical countersunk hole 15 is at least greater than 1 / 3 of the length of the barrel; so that the syringe can be inserted relatively vertically into the cylindrical countersunk hole, and the cylindrical countersunk hole can play a relatively fixed role for the syringe. Since syringes have different specifications, a detachable sleeve can be installed in the cylindrical countersunk hole to adapt to syringes of different specifications.

[0053] Figure 2 As shown, the disassembly mechanism 2 includes a mounting platform 21, and a clamping device, a rotating device and a lifting device arranged on the mounting platform 21; the mounting platform 21 is a cylinder, which is arranged in the cylindrical cavity 16, and the mounting platform 21 is provided with a first through hole 211 for the needle to pass through at its own axis position; the clamping device is used to clamp the mounting cap of the needle; the rotating device drives the clamping device to rotate with the axis of the needle as the rotating axis; the lifting device drives the mounting platform 21 to move up and down along the vertical direction in the cylindrical cavity. The disassembly structure applies a rotating force with its own axis as the rotating axis and a downward pulling force to the mounting cap of the needle, so that the needle and the cylinder are separated, and then the clamping device cancels the clamping of the mounting cap position of the needle, so that the needle falls downward and falls into the storage box.

[0054] The mounting platform 21 includes a fixed platform 213 and a movable platform 212 disposed on the fixed platform 213, and the two are connected for relative rotation; a clamping device is disposed on the movable platform 212, and after the clamping device clamps the needle, the axis of the needle overlaps with the axis of the movable platform 212 itself, and the rotating device drives the movable platform 212 to rotate with its own axis as the rotating axis, thereby driving the clamping device on the movable platform that clamps the mounting cap of the needle to rotate with the axis of the needle as the rotating axis.

[0055] The clamping device includes at least two groups of electric telescopic rods 221, and a clamping plate 222 is provided at the end of the electric telescopic rod 221. A plurality of sharp protrusions 223 are provided on the side of the clamping plate 222 that contacts the mounting cap of the needle. The telescopic direction of the electric telescopic rod 221 is toward the mounting cap of the needle. The mounting cap of the needle is clamped by the clamping plate through the extension and retraction of the electric telescopic rod. The sharp protrusions prevent slipping between the mounting cap and the clamping plate.

[0056] The bottom of the fixed platform 213 extends downward at the first through hole 211 to form a pipe 214, and the movable platform 212 expands outward at the first through hole 211 to form a second through hole 215. A bearing 216 is provided between the pipe 214 and the second through hole 215, and both are interference fit with the bearing 216; during the rotation of the movable platform, the movable platform is more stable than the fixed platform, and the movable platform and the fixed platform are relatively fixed in the vertical direction during the lifting and lowering of the installation platform.

[0057] Combination Figure 3 and Figure 4 The rotating device includes a first motor 231, a first gear 232 and a gear ring 233; the first motor 231 is vertically arranged in the fixed platform 213, and the first motor 231 drives the first gear 232 to rotate. The gear ring 233 is sleeved on the outside of the pipe 214 and fixed at the connection between the fixed platform 213 and the pipe 214; the first gear 232 and the gear ring 233 are meshed. The driving platform is driven to rotate through the transmission of the first gear and the gear ring. In order to ensure the smoothness of the rotation, there is a gap between the gear ring and the fixed platform during the installation process to avoid direct contact between the bottom of the gear ring and the fixed platform.

[0058] The lifting device includes a second motor 241, a second gear 242 and a rack 243; the second motor 241 drives the second gear 242 to rotate to form a driving member, which includes at least 2 groups. A cavity 244 for accommodating the driving member is provided in the fixed platform 213, and the driving members are distributed circumferentially at equal intervals on the projection plane; the rack 243 is arranged corresponding to the driving member, and the rack 243 is vertically arranged on the inner wall of the cylindrical cavity 16, and the second gear 242 and the rack 243 are meshed, and the meshing position of the two is located outside the fixed platform 213. The second motor and the second gear are transmitted through multiple gears, including an auxiliary gear 245 and a bevel gear set 246, wherein the second motor drives a bevel gear to rotate, the auxiliary gear 245 and another bevel gear rotate coaxially, the two bevel gears are meshed, and the auxiliary gear 245 and the second gear 242 are meshed; the entire mounting platform is moved up and down in the cylindrical cavity along the vertical direction through the second gear and rack transmission, and the position of the rack is limited at the same time. When the second gear moves to the top of the rack, while the rotating device rotates the mounting cap of the needle, the entire mounting platform moves downward, and a downward pulling force is applied to the mounting cap of the needle, thereby realizing the separation between the needle and the barrel.

[0059] The rotation axes of the second gear 242 and the auxiliary gear 245 are in the same horizontal plane, and the moving platform is divided into two along the horizontal plane. The two are fixed from the bottom by bolts, which is convenient for installing the driving component.

[0060] like Figure 1 and Figure 5 As shown, the material taking robot 3 is driven to rotate by a third motor 31; the third motor 31 is fixed inside the cabinet 1, and drives the base of the rotating robot to rotate through a bevel gear transmission.

[0061] The distance between the rotation axis of the material-collecting manipulator 3 and the axis of the cylindrical counterbore 15 is consistent with the distance between the rotation axis of the material-collecting manipulator 3 and the center point of the barrel discharge port 13, so that the cylindrical counterbore and the barrel discharge port are on the rotation radius of the material-collecting manipulator. It is formed by two electric telescopic rods vertically arranged to form a T shape, so that the manipulator can perform telescopic movements in the vertical and horizontal directions. The manipulator grasping module is arranged at the end of the horizontal electric telescopic rod, and cooperates with the third motor to drive the manipulator base to rotate, so that the manipulator can grasp the syringe barrel and move between the syringe placement area and the barrel discharge port.

[0062] like Figure 6 As shown, the interior of the storage box 12 is divided into a needle storage area 121 and a cylinder storage area 122 by a partition 123. The needle storage area 121 is located in the middle position, and the cylinder storage area 122 wraps the needle storage area 121; the disassembly mechanism 2 is located above the needle storage area 121, and the cylinder discharge port 13 is located above the cylinder storage area 122. Inside the storage device, classified storage of needles and cylinders can be achieved.

[0063] The cabinet body 1 is provided with a cabinet door 17 at a position corresponding to the storage box 12; after opening the cabinet door, the storage box can be taken out from the cabinet body, and the needle storage area can also be a barrel-shaped structure, which can be taken out individually and the needles can be dumped out.

[0064] A start switch 18 is provided on the top of the cabinet 1, and a proximity switch 19 is provided at the bottom of the cylindrical cavity 16; after the medical staff inserts the syringe into the cylindrical counterbore, the start switch is pressed, the electric telescopic rod is extended to drive the clamping handle to clamp the mounting cap of the needle, and then the first motor and the second motor are started at the same time, applying a rotational force and a downward pulling force to complete the separation of the needle and the barrel; when the mounting platform is moving downward, after the proximity switch is triggered, the electric telescopic rod contracts, releases the clamping of the needle mounting cap, and the needle falls into the needle storage area of ​​the storage box below, the first motor stops rotating, and the second motor drives the mounting platform to move upward, and the mounting platform is reset; at the same time, the clamping arm of the material-picking manipulator clamps the barrel and lifts it, and the third motor drives the material-picking manipulator to rotate above the barrel discharge port, the clamping arm of the manipulator is released, and the barrel falls into the barrel storage area of ​​the storage box below, and then the third motor drives the material-picking manipulator to rotate and reset, completing the process of separating and recovering the syringe needle and barrel. During the entire process, medical staff only need to insert the syringe and press the start button to separate and recover the needle and barrel of the syringe without touching the needle. Medical staff do not need to apply force, which saves time and simplifies the process.

[0065] The cabinet is equipped with a disinfectant sprayer, which regularly sprays medical disinfectant on the needles and cylinders in the storage box for disinfection.

[0066] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. A syringe needle disassembly device, characterized in that: include: The cabinet (1) has a syringe placement area (11) on the top for vertically placing the syringe (4) so ​​that the needle of the syringe (4) extends into the cabinet (1); a storage box (12) is provided inside the cabinet (1); The disassembly mechanism (2) is arranged inside the cabinet (1) and located above the storage box (12); the disassembly mechanism (2) simultaneously applies a rotational force with its own axis as the rotation axis and a vertical downward pulling force to the mounting cap of the needle of the syringe (4) in the syringe placement area (11), so that the barrel of the syringe (4) and the needle of the syringe (4) are separated; A material taking robot (3), wherein a cylinder discharge port (13) is provided on the top of the cabinet (1), and the material taking robot (3) transfers the cylinder to the position directly above the cylinder discharge port (13); the cylinder discharge port (13) is located above the storage box (12).

2. The syringe needle removal device according to claim 1, characterized in that: The center position of the top of the cabinet (1) extends inward to form a base (14), the top of the base (14) is provided with a cylindrical countersunk hole (15) for placing a syringe (4), the bottom of the base (14) is provided with a cylindrical cavity (16) for arranging a disassembly mechanism (2), and the cylindrical countersunk hole (15) and the cylindrical cavity (16) are in communication.

3. The syringe needle removal device according to claim 2, characterized in that: The large hole in the cylindrical counterbore (15) is in clearance fit with the barrel of the syringe (4), the diameter of the small hole is smaller than the diameter of the barrel and larger than the diameter of the needle mounting cap; the depth of the cylindrical counterbore (15) is at least greater than 1 / 3 of the length of the barrel.

4. The syringe needle removal device according to claim 3, characterized in that: The disassembly mechanism (2) comprises a mounting platform (21), and a clamping device, a rotating device and a lifting device arranged on the mounting platform (21); the mounting platform (21) is a cylinder, arranged in the cylindrical cavity (16), and the mounting platform (21) is provided with a first through hole (211) for the needle to pass through at its own axial position; The clamping device is used to clamp the mounting cap of the needle; The rotating device drives the clamping device to rotate with the axis of the needle as the rotating axis; The lifting device drives the installation platform (21) to move up and down along the vertical direction in the cylindrical cavity.

5. The syringe needle removal device according to claim 4, characterized in that: The mounting platform (21) comprises a fixed platform (213) and a movable platform (212) arranged on the fixed platform (213), and the two are connected to rotate relative to each other; the clamping device is arranged on the movable platform (212), and after the clamping device clamps the needle, the axis of the needle overlaps with the axis of the movable platform (212), and the rotating device drives the movable platform (212) to rotate with its own axis as the rotating axis.

6. The syringe needle removal device according to claim 5, characterized in that: The clamping device comprises at least two groups of electric telescopic rods (221), the ends of the electric telescopic rods (221) are provided with clamping plates (222), and a surface of the clamping plates (222) in contact with the mounting cap of the needle is provided with a plurality of sharp protrusions (223); The telescopic direction of the electric telescopic rod (221) is toward the mounting cap of the needle.

7. The syringe needle removal device according to claim 5, characterized in that: The bottom of the fixed platform (213) extends downward at the first through hole (211) to form a pipe (214), and the movable platform (212) expands outward at the first through hole (211) to form a second through hole (215). A bearing is provided between the pipe (214) and the second through hole (215), and both of them and the bearing are interference fit; The rotating device comprises a first motor (231), a first gear (232) and a ring gear (233); the first motor (231) is vertically arranged upward inside the fixed platform (213); the first motor (231) drives the first gear (232) to rotate; the ring gear (233) is sleeved on the outside of the pipeline (214) and fixed at the connection between the fixed platform (213) and the pipeline (214); the first gear (232) and the ring gear (233) are meshed.

8. The syringe needle removal device according to claim 5, characterized in that: The lifting device comprises a second motor (241), a second gear (242) and a rack (243); the second motor (241) drives the second gear (242) to rotate to form a driving member, the driving member comprises at least two groups, a cavity for accommodating the driving member is provided in the fixed platform (213), and the driving members are distributed circumferentially at equal intervals on the projection surface; The rack (243) is arranged corresponding to the driving member, and the rack (243) is vertically arranged on the inner wall of the cylindrical cavity (16). The second gear (242) and the rack (243) are meshed, and the meshing position of the two is located outside the fixed platform (213).

9. The syringe needle removal device according to claim 8, characterized in that: The material taking manipulator (3) is driven to rotate by a third motor (31); The distance between the rotation axis of the material taking robot (3) and the axis of the cylindrical counterbore (15) is consistent with the distance between the rotation axis of the material taking robot (3) and the center point of the barrel discharge port (13).

10. The syringe needle removal device according to claim 1, characterized in that: The cabinet body (1) is provided with a cabinet door (17) at a position corresponding to the storage box (12); The interior of the storage box (12) is divided into a needle storage area (121) and a barrel storage area (122) by a partition, the needle storage area (121) is located in the middle, and the barrel storage area (122) wraps the needle storage area (121); The disassembly mechanism (2) is located above the needle storage area (121), and the barrel discharge port (13) is located above the barrel storage area (122).

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