A medical procedure instrument placement device that is easy to access

Abstract

The present application relates to a kind of surgical instrument placing device, especially a kind of medical surgical instrument placing device of easy to take.This application aims to provide a kind of easy to take medical surgical instrument placing device, which can store and protect surgical instruments.This application provides such a kind of easy to take medical surgical instrument placing device, including bottom plate, support rod, connecting rod, shell, etc., the top of bottom plate is provided with support rod, the upper side of support rod is slidably provided with connecting rod, and the inner side between the upper part of connecting rod is slidably provided with shell.The present application can drive connecting block to rotate under the action of torsion spring, so that the protective plate is rotated to close, and the entry of virus can be avoided.The present application uses air cylinder as driving force, which can drive connecting plate to move upward, so that connecting plate pushes protective plate to rotate and open, making it easy for people to take surgical instruments.

Description

TECHNICAL FIELD

[0001] The present application relates to a surgical instrument placing device, in particular to a medical surgical instrument placing device convenient to take. BACKGROUND

[0002] The conventional operating table in the hospital is designed according to the size of the human body, and the nurse usually needs to place the surgical instrument on the surgical tray and then deliver it to the operating surgeon for use.

[0003] The patent application No. CN201810782524.9 discloses a neurosurgical surgical instrument placing device, which relates to the field of neurosurgical medical instruments. The neurosurgical surgical instrument placing device comprises a moving mechanism, a placing rack, an instrument placing mechanism and a telescopic placing mechanism. The telescopic placing mechanism comprises a first telescopic support rod, a second telescopic support rod, a guide support rod and a compression guide assembly. The first telescopic support rod is fixedly arranged on one side of the placing table, the second telescopic support rod is fixedly arranged on the other side of the placing table, and the guide support rod is arranged on the placing table. The instrument placing mechanism comprises a first placing disc, a second placing disc and a third placing disc arranged in sequence. Compared with the prior art, the neurosurgical surgical instrument placing device provided by the present application has a large placing area and the placing spaces can be distinguished from each other, which facilitates the attending physician to take and place the surgical instrument. At the same time, the placing spaces can be moved relative to the operating bed, which facilitates the attending physician to perform surgery. Although the above-mentioned patent can move the surgical instrument to facilitate people to take it, it needs to be placed on the placing disc for use, which is easy to cause some viruses to adhere to the surgical instrument.

[0004] Therefore, a medical surgical instrument placing device convenient to take and capable of storing and protecting surgical instruments is designed. SUMMARY

[0005] In order to overcome the shortcoming that some viruses are easily adhered to the surgical instrument when people place the surgical instrument on the placing disc, the present application provides a medical surgical instrument placing device convenient to take and capable of storing and protecting surgical instruments.

[0006] The present application is realized by the following technical means:

[0007] A medical surgical instrument placing device convenient to take comprises a bottom plate, a support rod, a connecting rod, an outer shell, a fixed plate, a connecting plate, a placing mechanism, a protection mechanism and a lifting mechanism. The top of the bottom plate is provided with the support rod. The upper side of the support rod is slidably provided with the connecting rod. The inner side of the upper part of the connecting rod is slidably provided with the outer shell. The upper and lower sides of the front part of the outer shell are provided with the fixed plate. The inner side of the connecting plate is provided with the connecting plate between the upper part of the inner side of the connecting rod. The front side of the connecting plate is provided with the placing mechanism for placing the surgical instrument. The front side of the fixed plate is provided with the protection mechanism for blocking viruses. The rear side of the support rod is provided with the lifting mechanism for providing driving force.

[0008] As a further preferred, the placing mechanism comprises first fixed blocks, first rotating shafts, placing plates and elastic rings, the upper and lower sides of the front side of the connecting plate are both left and right symmetrical and provided with first fixed blocks, the same side of the two first fixed blocks are both provided with first rotating shafts in a rotating manner, the middle of the first rotating shafts are both provided with placing plates, the rear side of the placing plates are both provided with elastic rings in an interval, and the number of the elastic rings is 12.

[0009] As a further preferred, the protection mechanism comprises second fixed blocks, connecting blocks, torsion springs, protection plates and contact rods, the middle of the front side of the fixed plate is provided with second fixed blocks, the left and right sides of the second fixed blocks are both provided with connecting blocks in a rotating manner, the left and right sides of the second fixed blocks are both wound with torsion springs, the two ends of the torsion springs are connected with the connecting blocks and the second fixed blocks respectively, the rear side of the same side of the two connecting blocks is both provided with protection plates, the rear side of the protection plates is both left and right symmetrical and provided with contact rods, and the connecting plate will contact with the contact rods when moving upward.

[0010] As a further preferred, the lifting mechanism comprises fixed seats, air cylinders, third fixed blocks, sliding plates, first springs and fourth fixed blocks, the rear side of the lower part of the supporting rod is provided with a fixed seat, the rear side of the fixed seat is provided with an air cylinder, the telescopic rod of the air cylinder is connected with the connecting rod, the rear side of the upper part of the supporting rod is provided with a third fixed block, the third fixed block is provided with a sliding plate in a sliding manner, the upper side of the sliding plate is connected with the upper side of the shell, the upper part of the rear side of the shell is left and right symmetrical and provided with fourth fixed blocks, and the upper side of the connecting rod is provided with first springs between the fourth fixed blocks.

[0011] As a further preferred, it further comprises a clamping mechanism for fixing the surgical instruments, the clamping mechanism comprises clamping blocks, second springs and magnets, the upper side of the placing plate is provided with clamping blocks in a sliding manner in an interval, the number of the clamping blocks is 12, the inner side of the clamping block is provided with a second spring between the placing plate, and the front side of the upper part of the placing plate is provided with a magnet in the middle.

[0012] As a further preferred, it further comprises a collecting mechanism for recycling the surgical instruments, the collecting mechanism comprises a collecting box, fifth fixed blocks, rotating rods, cover plates and convex plates, the front side of the supporting rod is provided with a collecting box, the upper part of the rear side of the collecting box is left and right symmetrical and provided with fifth fixed blocks, the rear side of the fifth fixed blocks is provided with rotating rods in a rotating manner, the front side of the rotating rods is provided with cover plates, the cover plates cover the upper side of the collecting box, and the left and right sides of the rotating rods are both provided with convex plates.

[0013] As further further preferred, the auxiliary mechanism for automatically opening the cover plate includes a second pivot shaft, a movable block, a sliding block and a guide rail, the lower and upper connecting blocks are each provided with a second pivot shaft, the outer side of the second pivot shaft is rotatably provided with a movable block, the inner side of the movable block is rotatably provided with a sliding block, the front lower part of the shell is symmetrically provided with a guide rail, and the movable blocks are slidably connected with the guide rails on the same side, and the movable blocks are in contact with the convex plates when moving downward.

[0014] As further further preferred, the inner side of the clamping block is provided with a rubber pad.

[0015] Compared with the prior art, the present application has the following advantages:

[0016] 1、The torsional spring can drive the connecting block to rotate, so that the protective plate is closed, and the virus is prevented from entering.

[0017] 2、The gas cylinder can drive the connecting plate to move upward, so that the connecting plate pushes the protective plate to rotate and open, and people can take the surgical instruments.

[0018] 3、The second spring can drive the clamping block to move downward, so that the clamping block clamps and fixes the surgical instruments, and the surgical instruments are prevented from being separated.

[0019] 4、When the connecting block rotates forward, the sliding block moves downward and contacts the convex plate, so that the cover plate is rotated and opened, and people can throw the used surgical instruments into the collection box for collection. DETAILED DESCRIPTION

[0020] Figure 1 It is a first kind of three-dimensional structure schematic diagram of the present application.

[0021] Figure 2 It is a second kind of three-dimensional structure schematic diagram of the present application.

[0022] Figure 3 It is a partial three-dimensional structure schematic diagram of the present application.

[0023] Figure 4 It is a first kind of partial three-dimensional structure schematic diagram of the placing mechanism of the present application.

[0024] Figure 5 It is a second kind of partial three-dimensional structure schematic diagram of the placing mechanism of the present application.

[0025] Figure 6 It is a first kind of partial three-dimensional structure schematic diagram of the protective mechanism of the present application.

[0026] Figure 7 It is a second kind of partial three-dimensional structure schematic diagram of the protective mechanism of the present application.

[0027] Figure 8 It is a perspective view of the lifting mechanism of the present application.

[0028] Figure 9 It is a perspective view of the clamping mechanism of the present application.

[0029] Figure 10 It is a perspective view of the collecting mechanism of the present application.

[0030] Figure 11 It is a perspective view of the auxiliary mechanism of the present application.

[0031] In the figure, the names and serial numbers of the parts are as follows: 1_bottom plate, 2_supporting rod, 21_connecting rod, 3_housing, 4_fixing plate, 5_connecting plate, 6_placing mechanism, 61_first fixing block, 62_first rotating shaft, 63_placing plate, 64_elastic ring, 7_protection mechanism, 71_second fixing block, 72_connecting block, 73_torsional spring, 74_protection plate, 75_contacting rod, 8_lifting mechanism, 81_fixing seat, 82_air cylinder, 83_third fixing block, 84_sliding plate, 85_first spring, 86_fourth fixing block, 9_clamping mechanism, 91_clamping block, 92_second spring, 93_magnet, 10_collecting mechanism, 101_collecting box, 102_fifth fixing block, 103_rotating rod, 104_cover plate, 105_protruding plate, 11_auxiliary mechanism, 111_second rotating shaft, 112_movable block, 113_sliding block, 114_rail. DETAILED DESCRIPTION

[0032] The present application is further illustrated below in conjunction with the accompanying drawings of the specification, and the embodiments of the present application are given in conjunction with the accompanying drawings of the specification.

[0033] Embodiment 1

[0034] A medical surgical instrument placing device facilitating taking, please refer to Figure 1 , Figure 2 , Figure 3 , Figure 8 , Figure 10 and Figure 11 , comprising a bottom plate 1, a supporting rod 2, a connecting rod 21, a housing 3, a fixing plate 4, a connecting plate 5, a placing mechanism 6, a protection mechanism 7 and a lifting mechanism 8, the top of the bottom plate 1 is welded with the supporting rod 2, the upper side of the supporting rod 2 is slidably provided with the connecting rod 21, the inner side of the upper part of the connecting rod 21 is slidably provided with the housing 3, the upper and lower sides of the front part of the housing 3 are welded with the fixing plate 4, the inner side of the upper part of the connecting rod 21 is provided with the connecting plate 5, the connecting plate 5 is located inside the housing 3, the front side of the connecting plate 5 is provided with the placing mechanism 6, the front side of the fixing plate 4 is provided with the protection mechanism 7, and the rear side of the supporting rod 2 is provided with the lifting mechanism 8.

[0035] Please refer toFigure 4 、 Figure 5 and Figure 9 The placing mechanism 6 comprises first fixed blocks 61, first rotating shafts 62, placing plates 63 and elastic rings 64. The upper and lower sides of the front side of the connecting plate 5 are symmetrically welded with the first fixed blocks 61. The two first fixed blocks 61 on the same side are symmetrically provided with the first rotating shafts 62. The middle parts of the first rotating shafts 62 are provided with the placing plates 63. The rear sides of the placing plates 63 are symmetrically provided with the elastic rings 64. The number of the elastic rings 64 is 12. People can insert the surgical instruments into the elastic rings 64 for placing.

[0036] Please refer to Figure 6 、 Figure 7 and Figure 11 The protection mechanism 7 comprises second fixed blocks 71, connecting blocks 72, torsional springs 73, protection plates 74 and contact rods 75. The middle parts of the front sides of the fixed plates 4 are provided with the second fixed blocks 71. The left and right sides of the second fixed blocks 71 are symmetrically provided with the connecting blocks 72. The left and right sides of the second fixed blocks 71 are symmetrically provided with the torsional springs 73. The two ends of the torsional springs 73 are connected with the connecting blocks 72 and the second fixed blocks 71. The rear sides of the two connecting blocks 72 on the same side are provided with the protection plates 74. When the protection plates 74 are rotated backward, the front sides of the shells 3 can be covered, so that the viruses cannot enter. The rear sides of the protection plates 74 are symmetrically welded with the contact rods 75. When the connecting plate 5 moves upward, the contact rods 75 can be contacted.

[0037] Please refer to Figure 8 The lifting mechanism 8 comprises fixed seats 81, air cylinders 82, third fixed blocks 83, sliding plates 84, first springs 85 and fourth fixed blocks 86. The rear lower parts of the supporting rods 2 are bolted with the fixed seats 81. The rear sides of the fixed seats 81 are provided with the air cylinders 82. The extension rods of the air cylinders 82 are connected with the connecting rods 21. People can control the extension rods of the air cylinders 82 to extend, so that the connecting rods 21 move upward, and the protection plates 74 are automatically rotated and opened. The rear upper parts of the supporting rods 2 are provided with the third fixed blocks 83. The third fixed blocks 83 are symmetrically provided with the sliding plates 84. The upper sides of the sliding plates 84 are connected with the upper sides of the shells 3. The rear upper parts of the shells 3 are symmetrically provided with the fourth fixed blocks 86. The upper sides of the connecting rods 21 and the fourth fixed blocks 86 are symmetrically provided with the first springs 85.

[0038] First, the elastic ring 64 is placed with surgical instruments, when people need to use surgical instruments, first start the air cylinder 82, control the air cylinder 82 telescopic rod elongation, the air cylinder 82 telescopic rod drives the connecting rod 21 to move upwards, thus driving the first spring 85, the fourth fixed block 86, the shell 3, the sliding plate 84, the connecting plate 5, the placement plate 63 and the elastic ring 64 to move upwards, when the sliding plate 84 moves to the uppermost side, the sliding plate 84, the fourth fixed block 86 and the shell 3 stop moving, the connecting rod 21, the connecting plate 5, the placement plate 63 and the elastic ring 64 continue to move upwards, the first spring 85 is compressed, when the connecting plate 5 contacts the contact rod 75, the connecting plate 5 will push the contact rod 75 to rotate, thus driving the protective plate 74 and the connecting block 72 to rotate, the torsional spring 73 is deformed, when the connecting plate 5 moves to the uppermost side, stop moving the air cylinder 82 telescopic rod, at this time, the placement plate 63 is separated from the fixed plate 4, the placement plate 63 will rotate forward under the action of gravity, thus driving the elastic ring 64 and the surgical instruments to rotate, so that the surgical instruments are flat on the protective plate 74, then people can take out the surgical instruments for use, when people do not need to use surgical instruments, you can first fill the vacancy surgical instruments, then control the air cylinder 82 telescopic rod to shorten, the air cylinder 82 telescopic rod drives the connecting rod 21 to move downwards, thus driving the connecting rod 21, the connecting plate 5, the placement plate 63 and the elastic ring 64 to move downwards and reset, the first spring 85 resets, at this time, the fixed plate 4 will extrude the placement plate 63 to reverse and reset, thus driving the elastic ring 64 to reverse and reset, when the connecting plate 5 is separated from the contact rod 75, the torsional spring 73 resets, driving the connecting block 72 to reverse and reset, thus driving the protective plate 74 to reverse and reset, when the first spring 85 completely resets, the connecting rod 21 drives the first spring 85 to move downwards, thus driving the fourth fixed block 86, the shell 3, the sliding plate 84, the connecting plate 5, the placement plate 63 and the elastic ring 64 to move downwards and reset, finally turn off the air cylinder 82.

[0039] Embodiment 2

[0040] Based on embodiment 1, please refer to Figure 3 and Figure 9 , also includes clamping mechanism 9, clamping mechanism 9 includes clamping block 91, second spring 92 and magnet 93, placement plate 63 upper side is slidably spaced apart and provided with clamping block 91, clamping block 91 inner side is provided with rubber pad, increase friction, the number of clamping block 91 is 12, clamping block 91 inner side and placement plate 63 are provided with second spring 92, clamping block 91 will move downwards under the action of second spring 92, thus clamping and fixing the surgical instruments, the placement plate 63 front side upper middle is welded with magnet 93, the magnet 93 rotates and contacts the protective plate 74.

[0041] When the connecting plate 5 moves upward, the placing plate 63, the clamping block 91, the second spring 92 and the magnet 93 are driven to move upward, when the placing plate 63 is flat on the protection plate 74, the protection plate 74 will attract the magnet 93, thereby driving the placing plate 63 to rotate and contact the protection plate 74, at this time, the protection plate 74 pushes the clamping block 91 to move upward, the second spring 92 is compressed, so that the clamping block 91 releases the surgical instrument, then people can take away the surgical instrument, when the connecting plate 5 moves downward, the placing plate 63, the clamping block 91, the second spring 92 and the magnet 93 are driven to move downward and reset, at this time, the placing plate 63 is reversed and separated from the protection plate 74, the second spring 92 is restored, driving the clamping block 91 to move downward and reset, so that the clamping block 91 clamps and fixes the surgical instrument.

[0042] Please refer to Figure 3 and Figure 10 Further comprising a collection mechanism 10, the collection mechanism 10 comprises a collection box 101, a fifth fixed block 102, a rotating rod 103, a cover plate 104 and a convex plate 105, the support rod 2 front side is provided with a collection box 101, people can throw the used surgical instruments into the collection box 101 for recycling, the collection box 101 rear side upper part is symmetrically welded with a fifth fixed block 102, the fifth fixed block 102 rear side is rotatably provided with a rotating rod 103, the rotating rod 103 front side is provided with a cover plate 104, the cover plate 104 covers the upper side of the collection box 101, the rotating rod 103 left and right sides are welded with a convex plate 105.

[0043] People can rotate the convex plate 105, thereby driving the rotating rod 103 and the cover plate 104 to rotate and open, throw the used surgical instruments into the collection box 101 for collection, when people do not need to use the placing device, the collection box 101 can be taken out upward, then all the surgical instruments in the collection box 101 are taken away, and the collection box 101 is cleaned, then the collection box 101 is placed back to the original position, at the same time, the convex plate 105 is rotated and reset, the convex plate 105 rotating and resetting drives the rotating rod 103 and the cover plate 104 to rotate and reset.

[0044] Please refer to Figure 11 Further comprising an auxiliary mechanism 11, the auxiliary mechanism 11 comprises a second rotating shaft 111, a movable block 112, a sliding block 113 and a guide rail 114, the lower connecting block 72 upper side is provided with a second rotating shaft 111, the second rotating shaft 111 outer side is rotatably provided with a movable block 112, the movable block 112 inner side lower part is rotatably provided with a sliding block 113, the outer shell 3 front side lower part is symmetrically welded with a guide rail 114, the movable block 112 is slidably connected with the same side guide rail 114, when the movable block 112 moves downward, it will contact the convex plate 105, when the connecting block 72 rotates, it can drive the movable block 112 to move downward, so that the cover plate 104 rotates and opens.

[0045] When the protection plate 74 and the connecting block 72 are turned to open to the front side, the lower connecting block 72 drives the second rotating shaft 111 to rotate forward, thereby driving the movable block 112 to rotate forward, and the movable block 112 pushes the sliding block 113 to move downward. When the sliding block 113 contacts the convex plate 105, the sliding block 113 pushes the convex plate 105 to rotate, so that the cover plate 104 is turned to open. When the protection plate 74 and the connecting block 72 are turned to close, the connecting block 72 drives the second rotating shaft 111 to reverse and reset, thereby driving the movable block 112 to reverse and reset, and the movable block 112 drives the sliding block 113 to move upward and reset to be disengaged from the convex plate 105. At this time, the cover plate 104 is turned to close under the action of gravity, thereby driving the convex plate 105 to reverse and reset.

[0046] Finally, it is necessary to point out that: the above content is only used to help understand the technical solutions of the present application, and cannot be understood as the limitation of the protection scope of the present application; the non-essential improvements and adjustments made by the person skilled in the art according to the above content of the present application are all within the scope of the present application.

Claims

1. A medical surgical instrument placement device that is easy to handle, comprising a base plate (1), a support rod (2), a connecting rod (21), a housing (3), a fixing plate (4), and a connecting plate (5), wherein the base plate (1) is provided with a support rod (2) at the top, the support rod (2) is slidably provided with a connecting rod (21) on the upper side, the housing (3) is slidably provided between the upper inner sides of the connecting rod (21), the upper and lower sides of the front of the housing (3) are provided with fixing plates (4), the upper inner sides of the connecting rod (21) are provided with a connecting plate (5), the connecting plate (5) is located inside the housing (3), characterized in that: It also includes the placement mechanism (6), protection mechanism (7) and lifting mechanism (8), the front side of the connecting plate (5) is provided with the placement mechanism (6) for placing surgical instruments, the front side of the fixed plate (4) is provided with the protection mechanism (7) for blocking viruses, and the rear side of the supporting rod (2) is provided with the lifting mechanism (8) for providing driving force; The placement mechanism (6) comprises first fixed blocks (61), first rotating shafts (62), placement plates (63) and elastic rings (64), the upper and lower sides of the front side of the connecting plate (5) are both provided with first fixed blocks (61) which are left-right symmetrical, the same side of the two first fixed blocks (61) are both provided with first rotating shafts (62) which are rotatably arranged, the middle parts of the first rotating shafts (62) are both provided with placement plates (63), the rear sides of the placement plates (63) are both provided with elastic rings (64) which are spaced, and the number of the elastic rings (64) is 12; The protection mechanism (7) comprises second fixed blocks (71), connecting blocks (72), torsional springs (73), protection plates (74) and contact rods (75), the middle parts of the front sides of the fixed plates (4) are both provided with second fixed blocks (71), the left and right sides of the second fixed blocks (71) are both provided with connecting blocks (72) which are rotatably arranged, the left and right sides of the second fixed blocks (71) are both provided with torsional springs (73), the two ends of the torsional springs (73) are connected with the connecting blocks (72) and the second fixed blocks (71) respectively, the rear sides of the two connecting blocks (72) on the same side are both provided with protection plates (74), the rear sides of the protection plates (74) are both provided with contact rods (75) which are left-right symmetrical, and the connecting plate (5) will be in contact with the contact rods (75) when it moves upward; The lifting mechanism (8) comprises fixed seats (81), air cylinders (82), third fixed blocks (83), sliding plates (84), first springs (85) and fourth fixed blocks (86), the lower part of the rear side of the supporting rod (2) is provided with a fixed seat (81), the rear side of the fixed seat (81) is provided with an air cylinder (82), the telescopic rod of the air cylinder (82) is connected with the connecting rod (21), the upper part of the rear side of the supporting rod (2) is provided with a third fixed block (83), the upper side of the third fixed block (83) is provided with a sliding plate (84) which is slidably arranged, the upper side of the sliding plate (84) is connected with the upper side of the shell (3), the upper part of the rear side of the shell (3) is provided with fourth fixed blocks (86) which are left-right symmetrical, and the upper side of the connecting rod (21) is provided with first springs (85) which are arranged between the connecting rod (21) and the fourth fixed blocks (86).

2. A medical procedure instrument placement device for easy access according to claim 1, characterized in that: It also comprises a clamping mechanism (9) for fixing surgical instruments, the clamping mechanism (9) comprises clamping blocks (91), second springs (92) and magnets (93), the upper side of the placement plate (63) is provided with clamping blocks (91) which are slidably and spaced, the number of the clamping blocks (91) is 12, the inner side of the clamping block (91) is provided with a second spring (92) which is arranged between the clamping block (91) and the placement plate (63), and the front side of the placement plate (63) is provided with a magnet (93) which is arranged in the middle of the upper part.

3. A medical procedure instrument placement device for easy access as defined in claim 2, wherein: The collecting mechanism (10) for recycling surgical instruments comprises a collecting box (101), a fifth fixed block (102), a rotating rod (103), a cover plate (104) and a convex plate (105), the collecting box (101) is arranged on the front side of the supporting rod (2), fifth fixed blocks (102) are symmetrically arranged on the upper part of the rear side of the collecting box (101), a rotating rod (103) is rotatably arranged between the rear sides of the fifth fixed blocks (102), a cover plate (104) is arranged on the front side of the rotating rod (103), the cover plate (104) covers the upper side of the collecting box (101), and convex plates (105) are arranged on the left and right sides of the rotating rod (103).

4. A medical procedure instrument storage device for easy access according to claim 3, characterized in that: The auxiliary mechanism (11) for automatically opening the cover plate (104) comprises a second rotating shaft (111), a movable block (112), a sliding block (113) and a guide rail (114), the second rotating shafts (111) are arranged on the upper sides of the connecting blocks (72), the movable blocks (112) are rotatably arranged on the outer sides of the second rotating shafts (111), the sliding blocks (113) are rotatably arranged on the inner sides and lower parts of the movable blocks (112), the guide rails (114) are symmetrically arranged on the lower part of the front side of the shell (3), the movable blocks (112) are slidably connected with the guide rails (114) on the same side, and the movable blocks (112) are in contact with the convex plates (105) when being moved downward.

5. A medical procedure instrument placement device for easy access according to claim 4, characterized in that: Rubber pads are arranged on the inner sides of the clamping blocks (91).

Images