CN216934301U - Insulin needle separator - Google Patents

Insulin needle separator Download PDF

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Publication number
CN216934301U
CN216934301U CN202123109684.3U CN202123109684U CN216934301U CN 216934301 U CN216934301 U CN 216934301U CN 202123109684 U CN202123109684 U CN 202123109684U CN 216934301 U CN216934301 U CN 216934301U
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arc
plate
collecting tank
cover plate
shaped plate
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CN202123109684.3U
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Chinese (zh)
Inventor
刘慧�
曹骥
陈宜
任丹
冯维叶
盛梦蝶
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Zhoushan hospital
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Zhoushan hospital
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Abstract

The utility model provides an insulin needle separating device, and belongs to the technical field of medical auxiliary equipment. The collecting tank comprises a collecting tank, a fixed cover plate, an upper movable cover plate, a first arc-shaped plate, a second arc-shaped plate and a sliding mechanism, wherein the upper end of the collecting tank is open, the fixed cover plate is fixedly arranged on one side of the opening at the upper end of the collecting tank, a first arc-shaped notch is formed in the straight edge of the fixed cover plate, the upper movable cover plate is hinged to the straight edge of the fixed cover plate, a second arc-shaped notch is formed in the straight edge of the upper movable cover plate, an upper insertion hole is formed between the first arc-shaped notch and the second arc-shaped notch, the first arc-shaped plate is fixedly arranged in the collecting tank below the upper insertion hole through a fixed rod, the second arc-shaped plate is arranged in the collecting tank below the upper insertion hole through a movable rod, a lower insertion hole is formed between the first arc-shaped plate and the second arc-shaped plate, and the sliding mechanism can enable the second arc-shaped plate to slide towards the inner side wall of the collecting tank. The utility model can quickly disassemble the insulin needle and collect the insulin needle.

Description

Insulin needle separator
Technical Field
The utility model belongs to the technical field of medical auxiliary equipment, and relates to an insulin needle separating device.
Background
The insulin pen and the insulin needle are common medical supplies which are matched with each other for use clinically at present, and according to statistics, more and more patients need to inject insulin to control blood sugar in China, so the using number of the insulin injection pen and the insulin needle in each large hospital is increased year by year.
After the insulin pen is injected, the insulin pen needle needs to be taken down according to the requirement, and because the injection needle is short, thin and sharp, the needle is sleeved by an outer needle cap in the conventional method, the outer needle cap drives the needle to jack inwards, and the outer needle cap is rotated to drive the needle to rotate so as to disassemble the needle, but the operation can cause acupuncture injury, iatrogenic infection is easily caused after the puncture injury, and the safety risk of medical staff is increased; in addition, the detached needle needs to be placed in a designated sharps box, and the efficiency of detaching the needle is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art, and provides an insulin needle separating device which can be used for quickly disassembling and collecting an insulin needle, and is safe and reliable.
The purpose of the utility model can be realized by the following technical scheme:
an insulin needle separation device comprising: the upper end of the collecting tank is open;
the fixed cover plate is semicircular and is fixedly arranged on one side of the opening at the upper end of the collecting tank, and a first arc-shaped notch is formed in the straight edge of the fixed cover plate;
the upper movable cover plate is in a semicircular shape and is hinged to the straight edge of the fixed cover plate through two first hinge shafts, a second arc-shaped notch is formed in the straight edge of the upper movable cover plate, and an upper insertion hole is formed between the first arc-shaped notch and the second arc-shaped notch;
the first arc-shaped plate is fixedly arranged in the collection tank below the upper insertion hole through a fixed rod;
the second arc-shaped plate is arranged in the collecting tank below the upper insertion hole through a sliding structure, a lower insertion hole is formed between the first arc-shaped plate and the second arc-shaped plate, the upper insertion hole and the lower insertion hole are coaxial up and down, and the sliding structure can enable the second arc-shaped plate to horizontally slide along the radial direction of the collecting tank;
and the limiting mechanism is arranged on the fixed cover plate, and when a lower insertion hole is formed between the first arc-shaped plate and the second arc-shaped plate, the limiting mechanism can fix the second arc-shaped plate at the current position.
In the above insulin needle separation device, the sliding structure includes:
the rotating sleeve is horizontally and rotatably arranged on the side wall of the collecting tank, a movable rod is horizontally inserted into the rotating sleeve, the inner end of the movable rod extends into the collecting tank, the end part of the movable rod is rotatably arranged on the second arc-shaped plate, the outer end of the movable rod extends out of the collecting tank, and a rotating rod is arranged at the end part of the movable rod;
the first reset spring is arranged on the movable rod in the collecting tank and provided with a limiting convex edge, and the first reset spring is sleeved on the movable rod between the limiting convex edge and the rotating sleeve.
In the above insulin needle separation device, the limiting mechanism comprises:
the guide plate is fixedly arranged on the lower side surface of the fixed cover plate, a through hole is formed in the guide plate, the guide plate is positioned between the second arc-shaped plate and the limiting convex edge, and the movable rod penetrates through the through hole;
the limiting plate is arranged on the movable rod between the second arc-shaped plate and the guide plate along the length direction;
the horizontal hole is formed in the guide plate, one side of the horizontal hole is communicated with the through hole, the movable rod is rotated to form at least one position, and the limiting plate is opposite to the horizontal hole and can penetrate through the horizontal hole.
In an above-mentioned insulin needle separator, the inside wall of first arc and second arc is from up being the external expanding type down, be equipped with a plurality of rubber sand grip along circumference on the inside wall of first arc and second arc.
In the above-mentioned insulin syringe needle separator, the lower extreme of collection tank is the open-type also, the lower extreme of collection tank articulates through the second articulated shaft has lower removable cover, be equipped with on the collection tank and open and close the structure, open and close the structure and can open and close lower removable cover.
In the aforesaid insulin syringe needle separator, the vertical extension board that upwards is equipped with in one side that second articulated shaft was kept away from to removable cover down, it perforates to have seted up the third on the extension board, open and close the structure and include:
the side wall of the collecting tank is provided with a first through hole, the sliding rod is horizontally inserted into the first through hole, the inner end of the sliding rod extends into the collecting tank, the end part of the sliding rod is fixedly provided with a fixed block, the outer end of the sliding rod extends out of the collecting tank, and the end part of the sliding rod is fixedly provided with a rubber block;
the second reset spring is sleeved on the sliding rod between the fixed block and the inner side wall of the collection tank;
the inserted bar, set up the second on the lateral wall of collection tank and perforate, the inserted bar is inserted and is established in the second perforation, the inner of inserted bar extends to in the collection tank and the tip links firmly with the fixed block through the connecting rod, and after removable cover covered the lower extreme of collection tank down, the outer end of inserted bar extends to outside the collection tank and the tip inserts in the third perforation.
Compared with the prior art, the utility model has the following advantages:
1. in the initial state, the second arc-shaped plate is moved to a position close to the first arc-shaped plate through the sliding structure to form a lower insertion hole, the second arc-shaped plate is fixed at the current position through the limiting mechanism, after the insulin pen finishes injection, the needle head end of insulin is inserted into the upper insertion hole, then the insulin pen is continuously inserted into the lower insertion hole between the first arc-shaped plate and the second arc-shaped plate downwards, the needle head is clamped through the first arc-shaped plate and the second arc-shaped plate, the insulin pen is rotated to be separated from the needle head, then the limiting mechanism is opened, the second arc-shaped plate is moved towards the direction far away from the first arc-shaped plate through the sliding structure, the needle head loses the clamping force at the moment and falls into the collecting tank, and the insulin pen is simple in operation, safe and reliable;
2. in an initial state, under the action of a first reset spring, the second arc-shaped plate is close to the first arc-shaped plate, a lower insertion hole is formed between the second arc-shaped plate and the first arc-shaped plate, the pinhead is clamped, when the second arc-shaped plate needs to slide, the rotating rod is pulled outwards to drive the movable rod and the second arc-shaped plate to slide radially towards the inner side wall of the collecting tank, the first reset spring is compressed, the pinhead loses the clamping force and falls into the collecting tank, and the structure is simple;
3. when the second arc-shaped plate is close to the first arc-shaped plate and a lower insertion hole is formed between the second arc-shaped plate and the first arc-shaped plate, the limiting plate is positioned between the guide plate and the second arc-shaped plate, and meanwhile, the limiting plate is staggered with the horizontal hole;
4. the outward-expanding lower insertion hole facilitates insertion of the needle head, when the side wall of the needle head is contacted with the inner side walls of the first arc-shaped plate and the second arc-shaped plate, the needle head is fixed, the rotation of the needle head along with an insulin pen is avoided, and the disassembly is convenient; in addition, the rubber raised lines can increase the contact area between the side wall of the needle head and the first arc-shaped plate and the second arc-shaped plate, increase the friction force and improve the disassembly efficiency;
5. when the number of needles in the collection tank is large, the lower movable cover plate can be opened through the opening and closing structure, and the needles are poured downwards, so that the operation is simple and rapid;
6. initial state, when the lower extreme of collection tank is covered to lower movable cover plate, under second reset spring's effect, the outer end of inserted bar inserts in the third perforation of extension board, movable cover plate fixes down, when the syringe needle is poured out to needs, medical staff presses down the rubber piece and promotes slide bar and fixed block and remove in to the collection tank, it slides in to the collection tank to drive the inserted bar through the connecting rod, make the outer end of inserted bar keep away from the third perforation, movable cover plate is under the action of gravity this moment, downwardly rotating, open the lower extreme opening of collection tank, the syringe needle that will collect is whole fast to be poured out, avoid remaining in the collection tank.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken at B-B of FIG. 1;
fig. 4 is a cross-sectional view at C-C in fig. 2.
In the figure: 1. a collection tank; 11. fixing the cover plate; 111. a first arc-shaped notch; 12. a guide plate; 121. a through hole; 122. a horizontal hole; 13. rotating the sleeve; 14. a first perforation; 15. a second perforation; 2. an upper removable cover plate; 21. a second arc-shaped notch; 22. a first hinge shaft; 23. a shifting sheet; 3. a first arc-shaped plate; 31. fixing the rod; 32. rubber convex strips; 4. a second arc-shaped plate; 41. a movable rod; 411. a limiting plate; 412. a limiting convex edge; 42. a first return spring; 43. rotating the rod; 5. a slide bar; 51. a rubber block; 52. a fixed block; 53. a second return spring; 54. a connecting rod; 55. inserting a rod; 6. a lower movable cover plate; 61. an extension plate; 62. a third perforation; 63. a second hinge shaft.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in figures 1-4, an insulin needle separating device comprises a collecting tank 1, a fixed cover plate 11, an upper movable cover plate 2, a first arc-shaped plate 3, a second arc-shaped plate 4 and a limiting mechanism.
The upper end of the collection tank 1 is open, and preferably, the collection tank 1 is made of stainless steel material.
The fixed cover plate 11 is semicircular, the fixed cover plate 11 is fixedly arranged on one side of an upper end opening of the collecting tank 1, and a first arc-shaped notch 111 is formed in a straight edge of the fixed cover plate 11.
The upper movable cover plate 2 is semicircular, the upper movable cover plate 2 is hinged to the straight edge of the fixed cover plate 11 through two first hinge shafts 22, a second arc-shaped notch 21 is formed in the straight edge of the upper movable cover plate 2, an upper insertion hole is formed between the first arc-shaped notch 111 and the second arc-shaped notch 21, and the aperture of the upper insertion hole is larger than the size of the needle head.
The first arc-shaped plate 3 is fixedly arranged in the collecting tank 1 below the upper insertion hole through a fixing rod 31.
Second arc 4 sets up in collection tank 1 of last jack below through sliding construction, form a lower jack between first arc 3 and the second arc 4, it is coaxial about last jack and lower jack, sliding construction can make second arc 4 along collection tank 1's radial horizontal slip, the aperture of going up the jack is greater than the aperture of little jack.
The limiting mechanism is arranged on the fixed cover plate 11, and when a lower insertion hole is formed between the first arc-shaped plate 3 and the second arc-shaped plate 4, the limiting mechanism can fix the second arc-shaped plate 4 at the current position.
Initial state, make second arc 4 remove to being close to first arc 3 department and forming the lower jack through sliding construction, utilize stop gear to fix second arc 4 at current position, after insulin pen injection, insert the syringe needle end of insulin in the last jack, then continue to insert downwards in the lower jack between first arc 3 and second arc 4, utilize first arc 3 and second arc 4 to block the syringe needle, rotate the insulin pen, make it separate with the syringe needle, then open stop gear, make second arc 4 remove to the direction of keeping away from first arc 3 through sliding construction, the syringe needle loses the clamp force this moment, drop to in the collection tank 1, the operation is simple, safety and reliability.
Specifically, the sliding structure includes the rotating sleeve 13 and the first return spring 42.
Rotate sleeve pipe 13 level and rotate the setting on the lateral wall of holding vessel 1, it is equipped with movable rod 41 to rotate the interior level of sleeve pipe 13 and insert, the inner of movable rod 41 extends to in the holding vessel 1 and the tip rotates and sets up on second arc 4, holding vessel 1 and tip are stretched out to the outer end of movable rod 41 and the tip is equipped with dwang 43.
The movable rod 41 in the collecting tank 1 is provided with a limit convex edge 412, and the first return spring 42 is sleeved on the movable rod 41 between the limit convex edge 412 and the rotating sleeve 13.
Initial condition, under first reset spring 42's effect, second arc 4 is close to first arc 3, forms the lower jack between the two, presss from both sides tight syringe needle, and when needs slip second arc 4, outside pulling dwang 43 drives movable rod 41 and second arc 4 and to the inside wall radial sliding of collection tank 1, and first reset spring 42 is compressed, and the syringe needle loses the clamp force and drops to collection tank 1 in, simple structure.
Specifically, the limiting mechanism includes a guide plate 12, a limiting plate 411, and a horizontal hole 122.
The guide plate 12 is fixedly arranged on the lower side surface of the fixed cover plate 11, a through hole 121 is formed in the guide plate 12, the guide plate 12 is located between the second arc-shaped plate 4 and the limiting convex edge 412, and the movable rod 41 penetrates through the through hole 121.
The limit plate 411 is disposed at the movable rod 41 between the second arc plate 4 and the guide plate 12 along the length direction.
The horizontal hole 122 is formed in the guide plate 12, one side of the horizontal hole 122 is communicated with the through hole 121, the movable rod 41 is rotated to at least one position, and the limiting plate 411 is opposite to the horizontal hole 122 and can penetrate through the horizontal hole 122.
When second arc 4 is close to first arc 3, when forming the lower jack between the two, limiting plate 411 is located between deflector 12 and the second arc 4, limiting plate 411 misplaces with horizontal hole 122 simultaneously, when second arc 4 receives the syringe needle extrusion, deflector 12 restriction limiting plate 411 and the outside removal of second arc 4, fix the syringe needle, after syringe needle and insulin pen separation, rotate movable rod 41, make limiting plate 411 just right with horizontal hole 122, limiting plate 411 is unrestricted this moment, can outwards pull movable rod 41, make second arc 4 keep away from gradually with first arc 3, moreover, the steam generator is simple in structure.
Preferably, the limit plate 411 and the rotation rod 43 are in the same plane. Because the dwang 43 is located the outside of holding vessel 1, medical staff can judge the angle of limiting plate 411 through the angle of observing the dwang 43 fast, can rotate the movable rod 41 fast, make limiting plate 411 just to horizontal hole 122.
Specifically, the inside wall of first arc 3 and second arc 4 is from up being the flaring type down.
The lower jack of outer expanding type is convenient for the syringe needle to insert, when the inside wall of syringe needle lateral wall and first arc 3 and second arc 4 contacted, fixes the syringe needle, avoids the syringe needle to follow insulin pen and rotates, and it is convenient to dismantle.
Specifically, a plurality of rubber convex strips 32 are arranged on the inner side walls of the first arc-shaped plate 3 and the second arc-shaped plate 4 along the circumferential direction.
Rubber convex strip 32 can increase the area of contact between syringe needle lateral wall and first arc 3, the second arc 4, and increase frictional force improves and dismantles efficiency.
Specifically, the lower end of the collecting tank 1 is also open, the lower end of the collecting tank 1 is hinged to a lower movable cover plate 6 through a second hinge shaft 63, and the collecting tank 1 is provided with an opening and closing structure which can open and close the lower movable cover plate 6.
When the number of needles in the collecting tank 1 is large, the lower movable cover 6 plate can be opened through the opening and closing structure, the needles are poured downwards, and the operation is simple and quick.
Specifically, an extension plate 61 is vertically and upwardly arranged on one side of the lower movable cover plate 6, which is far away from the second hinge shaft 63, a third through hole 62 is formed in the extension plate 61, and the opening and closing structure comprises a sliding rod 5, a second return spring 53 and an insertion rod 55.
The lateral wall of the collecting tank 1 is provided with a first through hole 14, the sliding rod 5 is horizontally inserted into the first through hole 14, the inner end of the sliding rod 5 extends into the collecting tank 1, the end of the sliding rod is fixedly provided with a fixing block 52, the outer end of the sliding rod 5 extends out of the collecting tank 1, and the end of the sliding rod is fixedly provided with a rubber block 51.
The second return spring 53 is sleeved on the sliding rod 5 between the fixed block 52 and the inner side wall of the collecting tank 1.
The second perforation 15 has been seted up on the lateral wall of collection tank 1, inserted bar 55 is inserted and is established in the second perforation 15, the inner of inserted bar 55 extends to in the collection tank 1 and the tip links firmly with fixed block 52 through connecting rod 54, and after lower movable cover plate 6 covered the lower extreme of collection tank 1, the outer end of inserted bar 55 extended to collection tank 1 outside and the tip inserted in the third perforation 62.
Initial state, when the lower extreme of collection tank 1 is covered to lower movable cover plate 6, under the effect of second reset spring 53, the outer end of inserted bar 55 is inserted in the third perforation 62 of extension board 61, movable cover plate 6 is fixed down, when the syringe needle needs to be poured out, medical staff presses down rubber block 51 and promotes slide bar 5 and fixed block 52 and remove to collection tank 1, drive inserted bar 55 through connecting rod 54 and slide to collection tank 1, make the outer end of inserted bar 55 keep away from third perforation 62, movable cover plate 6 is under the action of gravity down this moment, downwardly rotating, open the lower extreme opening of collection tank 1, the syringe needle that will collect is whole fast poured out, avoid remaining in collection tank 1.
In the description of the present patent, it is to be understood that the terms "upper", "lower", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present patent and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present patent.
The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (6)

1. An insulin needle separator, comprising: the upper end of the collecting tank (1) is open;
the fixed cover plate (11) is semicircular, the fixed cover plate (11) is fixedly arranged on one side of an opening at the upper end of the collecting tank (1), and a first arc-shaped notch (111) is formed in the straight edge of the fixed cover plate (11);
the upper movable cover plate (2) is semicircular, the upper movable cover plate (2) is hinged to a straight edge of the fixed cover plate (11) through two first hinged shafts (22), a second arc-shaped notch (21) is formed in the straight edge of the upper movable cover plate (2), and an upper jack is formed between the first arc-shaped notch (111) and the second arc-shaped notch (21);
the first arc-shaped plate (3) is fixedly arranged in the collecting tank (1) below the upper insertion hole through a fixing rod (31);
the second arc-shaped plate (4) is arranged in the collecting tank (1) below the upper insertion hole through a sliding structure, a lower insertion hole is formed between the first arc-shaped plate (3) and the second arc-shaped plate (4), the upper insertion hole and the lower insertion hole are coaxial up and down, and the sliding structure can enable the second arc-shaped plate (4) to horizontally slide along the radial direction of the collecting tank (1);
and the limiting mechanism is arranged on the fixed cover plate (11), and when a lower insertion hole is formed between the first arc-shaped plate (3) and the second arc-shaped plate (4), the limiting mechanism can fix the second arc-shaped plate (4) at the current position.
2. The insulin needle separation device of claim 1, wherein the sliding structure comprises:
the collecting tank comprises a rotating sleeve (13), wherein the rotating sleeve (13) is horizontally and rotatably arranged on the side wall of the collecting tank (1), a movable rod (41) is horizontally inserted into the rotating sleeve (13), the inner end of the movable rod (41) extends into the collecting tank (1), the end part of the movable rod is rotatably arranged on a second arc-shaped plate (4), the outer end of the movable rod (41) extends out of the collecting tank (1), and a rotating rod (43) is arranged at the end part of the movable rod;
the first return spring (42) is arranged on a limiting convex edge (412) on a movable rod (41) in the collecting tank (1), and the first return spring (42) is sleeved on the movable rod (41) between the limiting convex edge (412) and the rotating sleeve (13).
3. The insulin needle separation device of claim 2, wherein the limiting mechanism comprises:
the guide plate (12) is fixedly arranged on the lower side surface of the fixed cover plate (11), a through hole (121) is formed in the guide plate (12), the guide plate (12) is located between the second arc-shaped plate (4) and the limiting convex edge (412), and the movable rod (41) penetrates through the through hole (121);
the limiting plate (411), the limiting plate (411) is arranged on a movable rod (41) between the second arc-shaped plate (4) and the guide plate (12) along the length direction;
the horizontal hole (122) is formed in the guide plate (12), one side of the horizontal hole (122) is communicated with the through hole (121), the movable rod (41) rotates, at least one position is formed, and the limiting plate (411) is opposite to the horizontal hole (122) and can penetrate through the horizontal hole (122).
4. The insulin needle separating device according to claim 3, wherein the inner side walls of the first arc-shaped plate (3) and the second arc-shaped plate (4) are outwardly expanded from bottom to top, and a plurality of rubber ribs (32) are arranged on the inner side walls of the first arc-shaped plate (3) and the second arc-shaped plate (4) along the circumferential direction.
5. The insulin needle separating device according to claim 1, wherein the lower end of the collecting tank (1) is also open, the lower end of the collecting tank (1) is hinged with a lower movable cover plate (6) through a second hinge shaft (63), and the collecting tank (1) is provided with an opening and closing structure which can open and close the lower movable cover plate (6).
6. The insulin needle separating device according to claim 5, wherein an extending plate (61) is vertically and upwardly arranged on one side of the lower movable cover plate (6) away from the second hinge axis (63), a third through hole (62) is formed on the extending plate (61), and the opening and closing structure comprises:
the collecting tank comprises a sliding rod (5), a first through hole (14) is formed in the side wall of the collecting tank (1), the sliding rod (5) is horizontally inserted into the first through hole (14), the inner end of the sliding rod (5) extends into the collecting tank (1), a fixing block (52) is fixedly arranged at the end part of the sliding rod, the outer end of the sliding rod (5) extends out of the collecting tank (1), and a rubber block (51) is fixedly arranged at the end part of the sliding rod;
the second return spring (53), the second return spring (53) is sleeved on the sliding rod (5) between the fixed block (52) and the inner side wall of the collecting tank (1);
inserted bar (55), it perforates (15) to have seted up the second on the lateral wall of collection tank (1), inserted bar (55) are inserted and are established in the perforation (15) of second, the inner of inserted bar (55) extends to in collection tank (1) and the tip links firmly through connecting rod (54) and fixed block (52), and movable cover plate (6) cover the back with the lower extreme of collection tank (1) down, the outer end of inserted bar (55) extends to collection tank (1) outer and the tip inserts in third perforation (62).
CN202123109684.3U 2021-12-08 2021-12-08 Insulin needle separator Active CN216934301U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123109684.3U CN216934301U (en) 2021-12-08 2021-12-08 Insulin needle separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123109684.3U CN216934301U (en) 2021-12-08 2021-12-08 Insulin needle separator

Publications (1)

Publication Number Publication Date
CN216934301U true CN216934301U (en) 2022-07-12

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ID=82307608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123109684.3U Active CN216934301U (en) 2021-12-08 2021-12-08 Insulin needle separator

Country Status (1)

Country Link
CN (1) CN216934301U (en)

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