CN215240513U

CN215240513U - Manual wrench for CRRT blood pump

Info

Publication number: CN215240513U
Application number: CN202121361302.3U
Authority: CN
Inventors: 许旸晖; 吴洪磊; 仲悦萍; 陈丽; 王新美
Original assignee: Affiliated Hospital of Nantong University
Current assignee: Nanjing Kanglida Medical Instrument Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-21
Anticipated expiration: 2031-06-18

Abstract

The utility model provides a manual spanner is used to CRRT blood pump, including spanner arm and chuck adjusting device, the central surface fixedly connected with rotational speed display of department of spanner arm, the one end fixedly connected with screwed joint of spanner arm. The utility model discloses, through setting up chuck adjusting device, when the blood pump is adjusted to manual spanner, screwed joint screws up in the screwed hole, the speed of rotational speed control blood flow is judged to the rotational speed display through on the spanner arm, install torque display on the handle simultaneously, can control the size of strength when using, adjust first chuck when needs, the second chuck, during the interval of third chuck, can rotate the rotation governing valve, left gleitbretter and right gleitbretter can be to the horizontal migration, most of CRRT manual spanner simple structure that have at present, can not control the size of its moment of torsion and rotational speed, bring the waste of operation invariant and blood easily, the device's application has avoided above-mentioned problem and has effectively improved the device practicality.

Description

Manual wrench for CRRT blood pump

Technical Field

The utility model relates to a medical device technical field especially relates to a manual spanner is used to CRRT blood pump.

Background

The wrench is a common mounting and dismounting tool, and utilizes the lever principle to turn a bolt, a screw, a nut and other manual tools for tightly clamping the opening or trepanning firmware of the bolt or the nut by threads.

At present, most of conventional CRRT manual wrenches are simple in structure, cannot control the torque and the rotating speed of the wrenches, and easily bring about unchanged operation and blood waste, so that the manual wrench for the CRRT blood pump is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a manual wrench for a CRRT blood pump.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a manual spanner is used to CRRT blood pump, includes spanner arm and chuck adjusting device, the central surface department fixedly connected with rotational speed display of spanner arm, the one end fixedly connected with screwed joint of spanner arm, screwed joint's surface is rotated and is connected with chuck adjusting device, the other end fixedly connected with handle of spanner arm, the surface of handle is provided with the moment of torsion display, the terminal fixed mounting of handle has the extension device.

Preferably, the chuck adjusting device comprises a panel, a threaded hole is fixedly connected to the center of the surface of the panel, and reinforcing ribs are fixedly connected to two sides of the threaded hole.

Preferably, the other end and the panel fixed surface of strengthening rib are connected, the left and right sides swing joint of panel has left gleitbretter and right gleitbretter, fixedly connected with connecting rod between left gleitbretter and the right gleitbretter, the center department of connecting rod rotates and is connected with the rotation governing valve.

Preferably, one end of the left sliding piece is fixedly connected with a first chuck and a second chuck, and one end of the right sliding piece is fixedly connected with a third chuck.

Preferably, the elongation device includes the fixed block, the inner wall fixedly connected with connecting block of fixed block, the inner wall of connecting block is inserted and is equipped with the gag lever post and rather than sliding connection, the one end fixedly connected with that the gag lever post is close to the fixed block draws the piece, it offsets with the fixed block to draw the piece, the one end fixedly connected with stationary blade that the connecting block was kept away from to the gag lever post, stationary blade fixedly connected with adjusting spring, the one end fixedly connected with adjustment sheet of stationary blade is kept away from to adjusting spring, the adjustment sheet cover is established on the gag lever post.

Preferably, the inner wall of the extension rod is provided with two limiting holes, the limiting rods abut against the limiting holes, the number of the limiting holes is two, the two limiting holes are arranged at equal intervals, and the limiting holes are matched with the limiting rods.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. in the utility model, by arranging the chuck adjusting device, when the blood pump is adjusted by the manual wrench, the threaded joint is screwed in the threaded hole, and when the first chuck, the second chuck and the third chuck are clamped on the instrument, the rotation speed display on the arm of the wrench can judge the speed of the blood flow controlled by the rotation speed, meanwhile, the torque display is arranged on the handle, the strength of the hand-held power tool can be controlled when the hand-held power tool is used, when the distance between the first chuck, the second chuck and the third chuck is required to be adjusted, can rotate and rotate the governing valve, left gleitbretter and right gleitbretter can be to controlling the removal, can control its interval, play the effect of very accurate adjusting instrument, and present most of CRRT manual wrenches simple structure can not control the size of its moment of torsion and rotational speed, bring the waste of operation invariant and blood easily, and the device's application has avoided above-mentioned problem and has effectively improved the device practicality.

2. The utility model discloses in, through setting up the extension device, need lengthen when the spanner, the pulling draws the piece to drive the gag lever post and slides to keeping away from spacing hole direction, gliding extension rod drives the inner wall of adjustment sheet and extension rod and offsets, simultaneously adjusting spring takes place deformation and produces elasticity, when the gag lever post breaks away from mutually with spacing hole, to keeping away from handle direction pulling extension rod, when the gag lever post is relative to another spacing hole position, loosen the draw block, adjusting spring produces elasticity for struggling to get rid of the constraint and makes gag lever post and draw the piece to reset, the gag lever post offsets with spacing hole, present most of CRRT manual wrenches can't fasten to the bolt of the space department of secret, thereby only can adopt ordinary spanner, waste time and energy, work efficiency is extremely low, the device's application avoids above-mentioned problem and effective improve equipment's ease for use.

Drawings

Fig. 1 is a schematic perspective view of a manual wrench for a CRRT blood pump according to the present invention;

FIG. 2 is a schematic side perspective view of a manual wrench for a CRRT blood pump according to the present invention;

fig. 3 is a schematic perspective view of a chuck adjusting device of a manual wrench for a CRRT blood pump according to the present invention;

fig. 4 is the utility model provides a three-dimensional structure sketch map of extension device of manual spanner for CRRT blood pump.

Illustration of the drawings: 1. a wrench arm; 2. a threaded joint; 3. a rotational speed display; 4. a chuck adjusting device; 5. an elongation device; 6. a handle; 7. a torque display; 51. a fixed block; 52. connecting blocks; 53. a limiting rod; 54. a fixing sheet; 55. a regulating sheet; 56. adjusting the spring; 57. a limiting hole; 58. an extension rod; 59. pulling the block; 401. a first chuck; 402. a second chuck; 403. a panel; 404. reinforcing ribs; 405. a threaded hole; 406. rotating the regulating valve; 407. a third chuck; 408. a left slip sheet; 409. a connecting rod; 410. and a right sliding sheet.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-4, the utility model provides a manual wrench for CRRT blood pump, including wrench arm 1 and chuck adjusting device 4.

The specific arrangement and function of the jaw adjusting means 4 and the elongation means 5 will be described in detail below.

As shown in fig. 2 and 3, the chuck adjusting device 4 includes a panel 403, a threaded hole 405 is fixedly connected to the center of the surface of the panel 403, reinforcing ribs 404 are fixedly connected to two sides of the threaded hole 405, the other end of the reinforcing ribs 404 is fixedly connected to the surface of the panel 403, a left sliding piece 408 and a right sliding piece 410 are movably connected to the left and right sides of the panel 403, a connecting rod 409 is fixedly connected between the left sliding piece 408 and the right sliding piece 410, the center of the connecting rod 409 is rotatably connected to a rotation adjusting valve 406, a first chuck 401 and a second chuck 402 are fixedly connected to one end of the left sliding piece 408, and a third chuck 407 is fixedly connected to one end of the right sliding piece 410.

The whole chuck adjusting device 4 has the effects that by arranging the chuck adjusting device 4, when the blood pump is adjusted by a manual wrench, the threaded connector 2 is screwed in the threaded hole 405, the first chuck 401, the second chuck 402 and the third chuck 407 are clamped on an instrument and are adjusted by rotating the handle 6, the rotating speed can be judged by the rotating speed display 3 on the wrench arm 1 to control the blood flow speed, meanwhile, the torque display 7 is arranged on the handle 6 to control the strength in use, when the distance between the first chuck 401, the second chuck 402 and the third chuck 407 needs to be adjusted, the rotating adjusting valve 406 can be rotated, the left sliding piece 408 and the right sliding piece 410 can move left and right to control the distance therebetween, so that the instrument can be accurately adjusted, most of the conventional CRRT manual wrenches are simple in structure and cannot control the torque and rotating speed, the operation is easy to be unchanged and the waste of blood is easily caused, the application of the device avoids the problems and effectively improves the practicability of the device.

As shown in fig. 1 and 4, the extending device 5 includes a fixing block 51, a connecting block 52 is fixedly connected to an inner wall of the fixing block 51, a limiting rod 53 is inserted into an inner wall of the connecting block 52 and is slidably connected to the inner wall of the connecting block 52, a pulling block 59 is fixedly connected to one end of the limiting rod 53 close to the fixing block 51, the pulling block 59 abuts against the fixing block 51, a fixing plate 54 is fixedly connected to one end of the limiting rod 53 far away from the connecting block 52, an adjusting spring 56 is fixedly connected to the fixing plate 54, an adjusting plate 55 is fixedly connected to one end of the adjusting spring 56 far away from the fixing plate 54, the adjusting plate 55 is sleeved on the limiting rod 53, a limiting hole 57 is formed in the inner wall of the extending rod 58, the limiting rod 53 abuts against the limiting hole 57, the number of the limiting holes 57 is two, the two limiting holes 57 are equidistantly arranged, and the limiting hole 57 is matched with the limiting rod 53.

The effect achieved by the whole extension device 5 is that, by providing the extension device 5, when the wrench needs to be lengthened, the pulling block 59 is pulled to drive the limiting rod 53 to slide towards the direction far away from the limiting hole 57, the sliding extension rod 58 drives the adjusting sheet 55 to abut against the inner wall of the extension rod 58, meanwhile, the adjusting spring 56 deforms to generate elastic force, when the limiting rod 53 is separated from the limiting hole 57, the extension rod 58 is pulled towards the direction away from the handle 6, when the position of the limiting rod 53 is opposite to that of the other limiting hole 57, the pull block 59 is loosened, the adjusting spring 56 generates elasticity for breaking loose and binding so that the limiting rod 53 and the pull block 59 are reset, the limiting rod 53 is propped against the limiting hole 57, the bolts at the concealed space cannot be fastened by most of the existing torque wrenches, therefore, the device can only adopt a common wrench, wastes time and labor, has extremely low working efficiency, avoids the problems and effectively improves the usability of the equipment.

Embodiment 2, different from embodiment 1, as shown in fig. 1, a rotation speed display 3 is fixedly connected to a central surface of a wrench arm 1, a threaded joint 2 is fixedly connected to one end of the wrench arm 1, a chuck adjusting device 4 is rotatably connected to a surface of the threaded joint 2, a handle 6 is fixedly connected to the other end of the wrench arm 1, and a torque display 7 is arranged on a surface of the handle 6.

The whole working principle is that when the blood pump is adjusted by a manual wrench, the threaded connector 2 is screwed in the threaded hole 405, the first chuck 401, the second chuck 402 and the third chuck 407 are clamped on an instrument, the rotation speed can be judged by the rotation speed display 3 on the wrench arm 1 to control the blood flow speed by rotating the handle 6, meanwhile, the torque display 7 is mounted on the handle 6 to control the strength during use, when the distance between the first chuck 401, the second chuck 402 and the third chuck 407 needs to be adjusted, the rotating adjusting valve 406 can be rotated, the left sliding piece 408 and the right sliding piece 410 can move left and right to control the distance between the left sliding piece and the right sliding piece, so as to play a role of accurately adjusting the instrument, most of the existing CRRT manual wrenches have simple structures, cannot control the torque and the rotation speed, are easy to bring about unchanged operation and waste of blood, the application of the device avoids the problems and effectively improves the practicability of the device, when the spanner needs lengthening, pulling draws piece 59 to drive gag lever post 53 to keeping away from spacing hole 57 direction and slide, gliding extension rod 58 drives adjustment sheet 55 and offsets with the inner wall of extension rod 58, simultaneously adjusting spring 56 takes place deformation and produces elasticity, when gag lever post 53 breaks away from with spacing hole 57 mutually, to keeping away from handle 6 direction pulling extension rod 58, when gag lever post 53 is relative with another spacing hole 57 position, loosen and draw piece 59, adjusting spring 56 produces elasticity for struggling to get rid of the constraint and makes gag lever post 53 and draw piece 59 reset, gag lever post 53 offsets with spacing hole 57, present most current moment spanners can't fasten to the bolt of the space department of secret, thereby only can adopt ordinary spanner, waste time and energy, work efficiency is extremely low, the device's application avoids above-mentioned problem and effectively improves the ease of equipment.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a manual spanner for CRRT blood pump, includes spanner arm (1) and chuck adjusting device (4), its characterized in that: the center surface department fixedly connected with rotational speed display (3) of spanner arm (1), the one end fixedly connected with screwed joint (2) of spanner arm (1), the surface rotation of screwed joint (2) is connected with chuck adjusting device (4), the other end fixedly connected with handle (6) of spanner arm (1), the surface of handle (6) is provided with moment of torsion display (7), the terminal fixed mounting of handle (6) has extension device (5).

2. The manual wrench for the CRRT blood pump as claimed in claim 1, wherein: the chuck adjusting device (4) comprises a panel (403), a threaded hole (405) is fixedly connected to the center of the surface of the panel (403), and reinforcing ribs (404) are fixedly connected to two sides of the threaded hole (405).

3. The manual wrench for the CRRT blood pump as claimed in claim 2, wherein: the other end and panel (403) fixed surface of strengthening rib (404) are connected, the left and right sides swing joint of panel (403) has left gleitbretter (408) and right gleitbretter (410), fixedly connected with connecting rod (409) between left gleitbretter (408) and right gleitbretter (410), the center department of connecting rod (409) rotates and is connected with rotation governing valve (406).

4. The manual wrench for the CRRT blood pump as claimed in claim 3, wherein: one end of the left sliding piece (408) is fixedly connected with a first chuck (401) and a second chuck (402), and one end of the right sliding piece (410) is fixedly connected with a third chuck (407).

5. The manual wrench for the CRRT blood pump as claimed in claim 1, wherein: elongation device (5) are including fixed block (51) and extension rod (58), the inner wall fixedly connected with connecting block (52) of fixed block (51), the inner wall of connecting block (52) is inserted and is equipped with gag lever post (53) and rather than sliding connection, the one end fixedly connected with that gag lever post (53) are close to fixed block (51) draws piece (59), draw piece (59) and offset with fixed block (51), the one end fixedly connected with stationary blade (54) of connecting block (52) are kept away from in gag lever post (53), stationary blade (54) fixedly connected with adjusting spring (56), the one end fixedly connected with regulating blade (55) of stationary blade (54) are kept away from in adjusting spring (56), regulating blade (55) cover is established on gag lever post (53).

6. The manual wrench for the CRRT blood pump as claimed in claim 5, wherein: spacing hole (57) have been seted up to the inner wall of extension rod (58), gag lever post (53) offsets with spacing hole (57), the quantity of spacing hole (57) is two, two spacing hole (57) are equidistant setting, spacing hole (57) and gag lever post (53) looks adaptation.