CN211270897U - Adjustable disassembly and assembly type suspension retractor for operation - Google Patents

Abstract

The utility model provides an adjustable dismounting type suspension retractor for surgery, which comprises a retractor and a hook handle fixedly connected with the retractor, wherein a vertical rod is vertically arranged on the hook handle, a positioning block is arranged on the rod body of the vertical rod, a slide way which is communicated up and down is arranged inside the positioning block, a hook is arranged on one side of the positioning block, and the hook corresponds to the retractor; a row of racks is arranged on one side of the rod body of the vertical rod from the upper end to the lower end, and through holes are formed in the front side and the rear side of the positioning block and are perpendicular to the direction of the racks; the through hole is internally provided with a dial rod, and the part of the front end of the dial rod, which is positioned in the through hole, is provided with two independently extending toothed nails. The device pivot and rack cooperation make couple apart from quantitative control, use manpower sparingly, but doctor one-hand operation improves operation efficiency, adopts and articulates no bolted connection between form and the subassembly, and easily equipment is accomodate fast, and convenient disinfection, sterilization are extensively fit for installing on various types of auxiliary stand.

Description

Adjustable disassembly and assembly type suspension retractor for operation

Technical Field

The utility model relates to a surgical instrument, in particular to an adjustable dismounting type suspension drag hook for operation.

Background

In the process of thoracotomy and laparotomy, a certain treatment space needs to be reserved in the inner cavity of a human body, and the opening and closing degree of thoracotomy and laparotomy can influence the operation space of the operation. The traditional way of controlling the thoracotomy and the abdominopelvic closing is to manually stretch or lift by some lifting device to support enough surgical operation space. The problems that exist at present are: 1. manual stretching requires additional field personnel to independently engage in the work, the operation space is blocked, and labor is wasted in a manual operation mode and cannot be kept for a long time; 2. at present, the mechanical stretching adopts a beam suspension mode, the lifting height is controlled by retracting and releasing a suspension rope by using a rotary stirring handle, but a locking switch needs to be controlled, and the operation of a doctor by one hand cannot be finished; 3. the device is provided with more ropes and fasteners, and is inconvenient to install on site, thereby influencing the operation process.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides an adjustable dismounting type suspension drag hook for operation.

The utility model discloses a realize through following technical scheme: including the drag hook, its characterized in that: the tail end of the drag hook is connected with a hook handle, a vertical rod is vertically arranged on the hook handle, a positioning block is arranged on a rod body of the vertical rod, a vertically through slide way is arranged in the positioning block, the vertical rod penetrates through the slide way to move up and down, a hook is arranged on one side of the positioning block, and the hook corresponds to the drag hook; a row of racks is arranged on one side of the rod body of the vertical rod from the upper end to the lower end, through holes are formed in the front side and the rear side of the positioning block and perpendicular to the direction of the racks, and the circle center of each through hole is offset from one side of the center of the slide way; the through hole is internally provided with a dial rod, the part of the front end of the dial rod, which is positioned in the through hole, is provided with two independently extending toothed nails, the two independently extending toothed nails can be respectively accommodated in adjacent teeth on the rack, and the diameter of each toothed nail is not more than the distance from the tooth tip to the edge of the through hole.

In the above scheme, the front end of the tooth nail is provided with the end cover, the end cover is embedded in the through hole and fixes the tooth nail on the inner side surface of the end cover, and the outer side surface of the end cover is flush with the surface of the positioning block.

In the above scheme, the drag hook is the L type, and the hook face of drag hook sets up trompil I, and the end of drag hook is provided with inside arc type hem I, the couple is the U type, and the couple face of couple sets up trompil II, and the end of couple is provided with inside hem II.

In the above scheme, the back upper edge of drag hook sets up ascending protruding I, the back side border of drag hook sets up bevel angle I, the back lower limb of couple sets up downward protruding II, the back side border of couple sets up bevel angle II.

In the above scheme, the axis body of dialling the bull stick sets up the hand (hold), the hand (hold) runs through the axis body of dialling the bull stick and is the cross.

In the scheme, the back of the connecting part I of the draw hook and the draw hook handle is an inward-folded slope I, and the back of the connecting part II of the hook and the positioning block is an inward-folded slope II.

In the above scheme, the hook handle is provided with a columnar groove which is communicated from top to bottom from the top end face to the bottom end face, the top end face of the connection part I is provided with a cylindrical pin, the cylindrical pin can be arranged in the columnar groove, and the top end of the cylindrical pin is provided with a large end which is clamped at the upper end of the open groove.

In the above scheme, the columnar groove is an open groove, the cylinder of the cylindrical pin is in a ladder section type, the cylindrical pin comprises a large end, a middle end and a small end from the upper end to the lower end, the small end can penetrate through the open groove of the columnar groove, the middle end is matched with the inner diameter of the columnar groove, and the large end is clamped at the upper end of the columnar groove.

The utility model relates to a drag hook is suspended in midair with adjustable reassembling type to operation compares with prior art, and its beneficial effect is:

1. the draw hook and the hook in the assembly are matched to quantitatively control the distance, compared with manual stretching, the stretching and closing degree of thoracotomy and abdominal opening can be accurately controlled, the operation space of the operation is fully increased, and the labor is saved;

2. the suspension draw hook is stretched through the rack, can keep a set distance and is pulled for a long time;

3. the rotating and locking functions are realized by matching the rotation and the static of the poking and rotating rod, so that a doctor can operate with one hand, and the operation efficiency is improved;

4. the device has a flexible structure, adopts a hanging mode, has no bolt connection between components, is easy to assemble, can be rapidly stored, is convenient to disinfect and sterilize, and is widely suitable for being installed on various types of auxiliary supports.

Drawings

Fig. 1 is a schematic structural view of an adjustable detachable suspension retractor for surgery of the present invention;

FIG. 2 is a schematic structural view of a toggle lever;

FIG. 3 is a schematic side view of the assembly of the toggle lever and the positioning block;

FIG. 4 is a cross-sectional view of K-K in FIG. 1;

FIG. 5 is a schematic view of the structure of the hook handle and the stem;

fig. 6 is a schematic view of the retractor.

In the figure: 1. the hook comprises a drag hook, 2 parts of hook faces, 3 parts of arc-shaped folded edges I, 4 parts of hook handles, 5 parts of vertical rods, 6 parts of racks, 7 parts of positioning blocks, 8 parts of handles, 9 parts of shifting rods, 10 parts of through holes, 11 parts of slide ways, 12 parts of toothed nails, 13 parts of connecting parts II, 14 parts of slopes II, 15 parts of holes II, 16 parts of hook faces, 17 parts of hooks, 18 parts of inclined corners II, 19 parts of folded edges II, 20 parts of spaces, 21 parts of connecting parts I, 22 parts of slopes I, 23 parts of inclined corners I, 24 parts of holes I, 25 parts of end covers, 26 parts of teeth, 27 parts of tooth tips, 28 parts of valleys, 29 parts of middle points, 30 parts of circle centers, 31 parts of through hole bottoms, 32 parts of columnar grooves, 33 parts of protrusions I, 34 parts of protrusions II, 35 parts of cylindrical pins, 36 parts of small ends, 37 parts of middle ends and 38 parts of large ends.

Detailed Description

The following describes a detachable adjustable suspension retractor for surgery with reference to the accompanying drawings:

fig. 1 is a schematic structural view of the adjustable detachable suspension retractor for surgery of the present invention, and fig. 2 is a schematic structural view of the rotating rod. In the drawing, the detachable suspension retractor for the surgery comprises a retractor 1, wherein the retractor 1 is connected with a retractor handle 4, a vertical rod 5 is vertically arranged on the retractor handle 4, a positioning block 7 is arranged on a rod body of the vertical rod 5, a slide way 11 which is communicated up and down is arranged in the positioning block 7, the vertical rod 5 can move up and down by penetrating through the slide way 11, a hook 17 is arranged on one side of the positioning block 7, and an adjustable interval 20 is formed between the hook 17 and the retractor 1 up and down; rod body one side of montant 5 is set up a rack 6 by upper end to lower extreme, the direction of the perpendicular rack 6 in both sides sets up the through-hole 10 that runs through around locating piece 7, the center one side of centre of a circle skew slide 11 of through-hole 10, set up in the through-hole 10 and dial bull stick 9, the part that dials bull stick 9 front end and is located through-hole 10 sets up two independently extending's profile spike 12, drag hook 1 is the L type, hook face 2 of drag hook 1 sets up trompil I, drag hook 1's end is provided with inside camber hem I3, couple 17 is the U type, couple 17's couple face 16 sets up trompil II15, couple 17's end is provided with inside hem II 17. The upper edge of the back of the drag hook 1 is provided with an upward protrusion I33, the edge of the back of the drag hook 1 is provided with a bevel angle I23, the lower edge of the back of the hook 17 is provided with a downward protrusion II34, and the edge of the back of the hook 17 is provided with a bevel angle II 18. The axis body of dialling bull stick 9 sets up hand (hold) 8, and the axis body that hand (hold) 8 runs through dialling bull stick 9 is the cross. The back of the connecting part I21 between the drag hook 1 and the drag hook 4 is an inward-folded slope I22, and the back of the connecting part II13 between the hook 17 and the positioning block 7 is an inward-folded slope II 14. Fig. 3 is a schematic side structure diagram of the assembly of the dial rod and the positioning block, in the diagram, the toothed nail 12 extends into the through hole 10, the end cover 25 is arranged at the front end of the toothed nail 12, the end cover 25 is embedded in the through hole 10 and fixes the toothed nail 12 on the inner side surface of the end cover 25, the outer side surface of the end cover 25 is flush with the surface of the positioning block 7, and the dial rod 9 and the end cover 25 support the toothed nail 12 on two sides of the slideway 11 and can rotate in the through hole 10. Fig. 4 is a cross-sectional view taken along line K-K of fig. 1, showing a row of teeth 26 on rack 6, wherein tips 27 and valleys 28 on teeth 26 are circular arcs, and the center 30 of the circular arc of tips 27 coincides with the center of through-hole 10; the middle point 29 between the pins 12 is coincident with the center of the through hole 10, the distance between the pins 12 is equal to the distance between the adjacent tips 27, and the distance from the tip 27 to the edge of the through hole 10 is larger than the diameter of the pin 12, so that the pins 12 can rotate in the through hole 10; two independently extending pins 12 are respectively received in adjacent teeth 26, and when the dial rod 9 is rotated, the two pins 12 are rotated in the through hole 10 to alternately enter and exit the adjacent teeth 26. Fig. 5 is a schematic structural view of the hook handle and the vertical rod, in the figure, the hook handle 4 is provided with a vertically through cylindrical groove 32 from the upper end surface to the lower end surface, the cylindrical groove 32 is an open groove, fig. 6 is a schematic structural view of the retractor, in the figure, the upper end surface of the connecting part I21 is provided with a cylindrical pin 35, the cylindrical pin 35 comprises a large end 38, a middle end 37 and a small end 36 from the upper end to the lower end, the small end 36 can pass through the open groove of the cylindrical groove 32, the middle end 37 is matched with the inner diameter of the cylindrical groove 32, and the large end 38 is clamped at the upper end of the.

When the detachable suspension draw hook for the operation is used, one side of a bed needing the operation is selected, the hook 17 is suspended by means of an anesthesia auxiliary support, the folded edge II19 can not lead the hook to be separated, meanwhile, the positioning block 7 is also fixed on the auxiliary support, the draw hook 1 is rotated to enable the cylindrical pin 35 to rotate in the cylindrical groove 32, the rotation is stopped after the proper angle of the draw hook 1 is selected, the draw hook 1 is extended into the inner wall of the chest and abdomen opening, the arc folded edge 3 is tightly attached to the inner wall of the chest and abdomen opening, the accidental slipping of the inner wall of the chest and abdomen opening from the draw hook 1 is effectively prevented, then the interval 20 is adjusted, at the moment, the handle 8 is rotated anticlockwise by one hand, the poking rod 9 drives the tooth nails 12 to rotate anticlockwise, the two tooth nails 12 rotate in the through hole 10 to replace the adjacent tooth teeth 26, the tooth teeth 26 are subjected to upward thrust, and when the two tooth nails 12 continuously and alternately do circular motion to generate continuous upward thrust to, the vertical rod 5 starts to move upwards, and simultaneously drives the hook handle 4 to move upwards, and at the moment, the inner walls of the chest and the abdomen of the drag hook 1 are lifted upwards to realize the adjustment of the distance 20. After the adjustment is finished, the back traction force is generated due to the tension of tissues such as human muscles, the vertical rod 5 moves downwards due to the back traction force of the drag hook 1, the teeth 26 press the underlying tooth nail 12, and the tooth nail 12 is eccentric to the axis of the dial rod 9, so that the tooth nail 12 continues to rotate towards the bottom 31 of the through hole under the downward pressure of the teeth 26, when the tooth nail 12 rotates to the bottom 31 of the through hole, the stress is balanced, and the dial rod 9 does not rotate any more to realize locking. During the operation, the poking and rotating rod can be continuously adjusted by one hand to adjust the distance 20 according to the operation requirement so as to adjust the visual field of the operation. After use, the rotating rod 9 is rotated anticlockwise, the vertical rod 5 is withdrawn in an opposite mode, and the device is further sterilized after the drag hook 1 is removed.

Compared with manual stretching, the device can accurately control the opening and closing degree of the thoracotomy and the abdomen, fully increase the operation space, save labor, pull and pull for a long time, and improve the operation efficiency by matching the self-rotation and static locking functions of the poking and rotating rod. The device has a flexible structure, plays a good role in pulling the chest and the abdomen, adopts a hanging mode and has no bolt connection between the components, is easy to assemble and fast to store, is convenient to disinfect and sterilize, and is widely suitable for being installed on various auxiliary supports.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make various changes or modifications equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, changes and modifications of the above embodiments by the technical spirit of the present invention are within the scope of the present invention.

Claims (8)

1. The utility model provides a drag hook is suspended in midair with adjustable reassembling type to operation, includes drag hook (1), its characterized in that: the tail end of the drag hook (1) is connected with a hook handle (4), a vertical rod (5) is vertically arranged on the hook handle (4), a positioning block (7) is arranged on a rod body of the vertical rod (5), a slide way (11) which is communicated up and down is arranged in the positioning block (7), the vertical rod (5) penetrates through the slide way (11) and can move up and down, a hook (17) is arranged on one side of the positioning block (7), and the hook (17) corresponds to the drag hook (1); a row of racks (6) is arranged on one side of the rod body of the vertical rod (5) from the upper end to the lower end, through holes (10) are formed in the front side and the rear side of the positioning block (7) and perpendicular to the direction of the racks (6), and the circle center of each through hole (10) is offset from one side of the center of the slide rail (11); set up in through-hole (10) and dial commentaries on classics pole (9), dial the part that commentaries on classics pole (9) front end is located through-hole (10) and set up two independent extension tooth nails (12), two independent extension tooth nails (12) can hold respectively in the middle of adjacent tooth (26) on rack (6), and the diameter of tooth nail (12) is not more than the distance of prong (27) to through-hole (10) border.

2. The surgical adjustable detachable suspension retractor according to claim 1, wherein: the front end of the tooth nail (12) is provided with an end cover (25), the end cover (25) is embedded in the through hole (10) and fixes the tooth nail (12) on the inner side surface of the end cover (25), and the outer side surface of the end cover (25) is flush with the outer surface of the positioning block (7).

3. The surgical adjustable detachable suspension retractor according to claim 1, wherein: the utility model discloses a hook structure, including drag hook (17), couple (17), drag hook (1) are L type, and the hook face (2) of drag hook (1) set up trompil I (24), and the end of drag hook (1) is provided with inward arc type hem I (3), couple (17) are the U type, and couple face (16) of couple (17) set up trompil II (15), and the end of couple (17) is provided with inward hem II (19).

4. The surgical adjustable detachable suspension retractor according to claim 3, wherein: the back of drag hook (1) is gone up the border and is set up ascending protruding I (33), the back side border of drag hook (1) sets up bevel angle I (23), the back lower limb of couple (17) sets up downward protruding II (34), the back side border of couple (17) sets up bevel angle II (18).

5. The surgical adjustable detachable suspension retractor according to claim 1, wherein: the axis body of dialling bull stick (9) sets up hand (hold) (8), the axis body that dial bull stick (9) are run through in hand (hold) (8) is the cross.

6. The surgical adjustable detachable suspension retractor according to claim 3, wherein: the back of the connection part I (21) of the draw hook (1) and the hook handle (4) is an inward-folded slope I (22), and the back of the connection part II (13) of the hook (17) and the positioning block (7) is an inward-folded slope II (14).

7. The surgical adjustable detachable suspension retractor according to claim 6, wherein: the hook handle (4) is provided with a vertically through cylindrical groove (32) from the upper end face to the lower end face, the upper end face of the connection part I (21) is provided with a cylindrical pin (35), the cylindrical pin (35) is arranged in the cylindrical groove (32), the top end of the cylindrical pin (35) is provided with a large end (38), and the large end (38) is clamped at the upper end of the cylindrical groove (32).

8. The surgical adjustable detachable suspension retractor according to claim 7, wherein: the cylindrical groove (32) is an open groove, the cylinder of the cylindrical pin (35) is of a stepped type, the cylindrical pin (35) comprises a large end (38), a middle end (37) and a small end (36) from the upper end to the lower end, the small end (36) can penetrate through the open groove of the cylindrical groove (32), and the middle end (37) is matched with the inner diameter of the cylindrical groove (32).

Images