CN212015670U - Rib surface supporting draw hook - Google Patents

Abstract

The utility model discloses a rib surface supporting drag hook, which comprises a telescopic pipe, an adjuster and a supporting component, wherein the adjuster for adjusting the extension and the shortening of the telescopic pipe is arranged on the side surface of the telescopic pipe, the supporting component is arranged on the top and the bottom of the telescopic pipe, the rib surface supporting drag hook is equivalent to an independent supporter, the long-time supporting and dragging effect can be achieved, manual traction is not needed during operation, the blocking of main knife operation during assistant traction is reduced, the rib surface supporting drag hook can play a multi-direction exposure effect, the rib surface supporting drag hook can be placed in the deep position, the visual field and the range of deep operation can be enlarged, the rib surface supporting drag hook can be adjusted up and down by using the adjuster according to the specific requirements of the operation, thereby realizing the enlargement and the reduction of the operation gap, the adjustment of the visual field and other functions, the supporting component of, the adjusting function is realized under the condition that the supporting and pulling range needs to be expanded and reduced.

Description

Rib surface supporting draw hook

Technical Field

The utility model relates to the field of medical equipment, in particular to a rib surface supporting drag hook.

Background

The retractor is the most common surgical instrument in surgery, and the main functions are to expose the surgical site and enlarge the operation field. Due to the differences between different types of surgery, the shape and the specification of the surgical retractor used are different. In order to facilitate the smooth operation of the operation, various types of draw hooks are used for the surgical operation, and the use amount is large.

In the open reduction operation of rib fracture (especially for patients with multiple and multiple fractures), the operation field of vision needs to be expanded by using a retractor conventionally, but the existing retractor is often skin retractor (refer to fig. 2), thyroid retractor (refer to fig. 1) and square head retractor, and the retractor has the following problems:

1. the long-time manual traction is needed, the duration is short, the traction is easy to deform after long time, and the traction effect cannot be achieved.

2. When manually pulled, the main knife may be blocked from operation between the operating tables due to physical or hand reasons.

3. Because the operator and the assistant are both positioned at the two sides of the operating table, the manual traction is inconvenient to carry out traction in the direction of the feet of the head of the operating table, and the visual field exposure is difficult.

4. The existing drag hooks can only expose and cut the edge of skin, and cannot be used for deep and wide traction of a plurality of fracture patients, so that the operation has to be performed in multiple rows.

5. The gap between the skin and the ribs is small for traction, and the adjustment is inconvenient in operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rib surface supports drag hook to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the rib surface supporting drag hook comprises a telescopic pipe, an adjuster and a supporting component, wherein the adjuster used for adjusting the extension and the shortening of the telescopic pipe is arranged on the side surface of the telescopic pipe, and the supporting component is arranged at the top and the bottom of the telescopic pipe.

Flexible pipe includes pipe box, well core rod, lower pipe box and rotary rod, go up pipe box bottom opening, lower pipe box open-top and setting are in go up the pipe box below, go up inside well core rod and the rotary rod of being provided with of pipe box, well core rod and last pipe box fixed connection, the rotary rod rotates with well core rod coaxial arrangement and rotary rod and well core rod to be connected, rotary rod bottom and lower pipe box threaded connection.

The side of the rotating rod is provided with an external thread, and the inner wall of the lower pipe sleeve is provided with an internal thread matched with the external thread.

The regulator includes pivot, knob and second bevel gear, the top tube cover lateral wall leads to there is the mounting hole, and the mounting hole internal rotation is connected with the pivot, and pivot one end is located the inside and be provided with second bevel gear of top tube cover, and the pivot other end is located the outside and be provided with the knob of top tube cover, rotary rod top fixed mounting has first bevel gear, second bevel gear and the meshing of first bevel gear.

The top and the bottom of the telescopic pipe are both rotatably connected with a screw rod, and the supporting component is in threaded connection with the screw rod.

The support assembly comprises a first support limb and a second support limb, and the first support limb and the second support limb are distributed in a cross shape.

The top parts of the two ends of the first supporting limb and the second supporting limb are respectively provided with a mounting groove, and a supplementary limb is hinged in each mounting groove.

The bottom of the central rod is frustum-shaped.

The utility model has the advantages that:

1. due to the arrangement of the telescopic tube, the adjuster and the supporting component, the rib surface supporting drag hook is equivalent to an independent supporter and can be directly placed on the surface of a rib, and can be placed at any position in the gap between the rib and the skin according to the operation requirement during the operation, so that the long-time supporting and traction effect can be achieved, manual traction is not needed during the operation, and the effects of saving manpower and reducing the labor intensity are achieved.

2. When the ribs of a plurality of patients with rib fracture are reset and internally fixed, the operation visual field is exposed through deep gap traction, so that the skin multi-incision operation can be avoided; meanwhile, the manual labor is greatly saved, and the blockage of the assistant to the operation of the main knife during the traction is reduced.

3. The rib surface supporting drag hook can play multi-direction exposure effect, compares current drag hook, and operating personnel can appear exerting oneself the difficult condition when operation table top head foot orientation, and rib surface supporting drag hook has the advantage.

4. The rib surface supporting drag hook can be placed at the deep position, the visual field and the range of deep operation are enlarged, and multiple incisions can be avoided for patients with multiple rib fractures.

5. The rib surface supporting retractor can be adjusted up and down by using an adjuster according to the specific requirements of the operation, thereby realizing the functions of expanding and shrinking the operation gap, adjusting the operation visual field and the like.

6. The supplementary limb is arranged to enable the supporting component of the rib surface supporting drag hook to be unfolded towards the periphery, and the supporting component can play an adjusting role under the condition that the supporting and dragging range needs to be expanded and reduced.

Drawings

FIG. 1 is a schematic structural diagram of a thyroid retractor of the prior art;

FIG. 2 is a schematic view of a skin retractor of the prior art;

fig. 3 is a schematic structural view of the utility model in a contracted state;

FIG. 4 is a schematic structural view of the extended state of the present invention;

fig. 5 is a schematic structural view of a center rod of the present invention;

fig. 6 is a schematic cross-sectional structural view of the support assembly of the present invention;

fig. 7 is a schematic top view of the assembled first and second support limbs of the present invention.

In the figure, an upper pipe sleeve 1, a central rod 11, a lower pipe sleeve 2, an internal thread 21, a screw rod 3, a first supporting limb 4, a second supporting limb 5, a rotating rod 6, a first bevel gear 7, a regulator 8, a second bevel gear 9 and a supplementary limb 10.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

Referring to fig. 1 to 7, an embodiment of the present invention provides a rib surface supporting retractor, including a telescopic tube, an adjuster 8 and a supporting component, wherein the adjuster 8 for adjusting the extension and contraction of the telescopic tube is disposed on a side surface of the telescopic tube, the telescopic tube includes an upper tube housing 1, a central rod 11, a lower tube housing 2 and a rotary rod 6, inner and outer diameters of the upper tube housing 1 and the lower tube housing 2 are the same, a bottom of the upper tube housing 1 is open, a top of the lower tube housing 2 is open and disposed under the upper tube housing 1, the upper tube housing 1 is internally provided with the central rod 11 and the rotary rod 6, a top of the central rod 11 is fixedly connected with the upper tube housing 1, the rotary rod 6 and the central rod 11 are coaxially mounted, the rotary rod 6 is rotatably connected with the central rod 11, i.e. the central rod 11 penetrates through the center of the rotary rod, the inner wall of the lower pipe sleeve 2 is provided with an internal thread 21 matched with the external thread, and the bottom of the rotating rod 6 is in threaded connection with the lower pipe sleeve 2.

The regulator 8 comprises a rotating shaft, a knob and a second bevel gear 9, a mounting hole is formed in the side wall of the upper pipe sleeve 1, the rotating shaft is connected in the mounting hole in a rotating mode, one end of the rotating shaft is located inside the upper pipe sleeve 1 and is provided with the second bevel gear 9, the other end of the rotating shaft is located outside the upper pipe sleeve 1 and is provided with the knob, a first bevel gear 7 is fixedly mounted at the top of the rotating rod 6, and the second bevel gear 9 is meshed with the first bevel gear 7.

The telescopic pipe is characterized in that the top and the bottom of the telescopic pipe are both rotatably connected with a screw rod 3, a supporting assembly is in threaded connection with the screw rod 3 and comprises a first supporting limb 4 and a second supporting limb 5, the first supporting limb 4 and the second supporting limb 5 are distributed in a cross shape, a threaded hole matched with the screw rod 3 is formed in the center of the first supporting limb 4 and the center of the second supporting limb 5, the first supporting limb 4 and the second supporting limb 5 are fixedly installed on the screw rod 3 through the threaded hole, and then the first supporting limb 4 and the second supporting limb 5 can rotate relative to an upper pipe sleeve 1 and a lower pipe sleeve 2.

The top parts of the two ends of the first supporting limb 4 and the second supporting limb 5 are respectively provided with a mounting groove, a supplementing limb 10 is hinged in the mounting grooves, the supplementing limb 10 is completely contained in the mounting grooves when not used, and the supplementing limb can be turned out when in use.

The utility model discloses a theory of operation is:

when the operation is carried out, in the rib fracture incision reduction internal fixation operation, when the deep or a plurality of rib fractures are required to be reduced, the supporting draw hook can be placed on the surface of the rib according to the rib position and the operation requirement, and the gap between the rib and subcutaneous tissue can be expanded by utilizing the supporting principle and the supporting component to be opened, thereby achieving the purpose of exposing the operation visual field in all aspects.

Meanwhile, according to the operation requirement, the rotating rod 6 is driven to rotate by the rotating adjuster 8 through the transmission of the first bevel gear 7 and the second bevel gear 9, so that the lower pipe sleeve 2 can be adjusted in an up-and-down lifting mode, and the purpose of expanding or reducing the operation gap is achieved.

The supplemental limb 10 can also be stored and deployed according to the operation requirements, thereby achieving the purpose of expanding or contracting the supporting surface.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (6)

1. Rib surface supports drag hook, its characterized in that: including flexible pipe, regulator (8) and supporting component, flexible pipe side is provided with regulator (8) that are used for adjusting flexible pipe extension and shorten, flexible pipe top and bottom all are provided with supporting component, supporting component includes that first support limb (4) and second support limb (5), and first support limb (4) and second support limb (5) are the cross and distribute, first support limb (4) and second support limb (5) both ends top all are provided with the mounting groove, and it has supplementary limb (10) to articulate in the mounting groove.

2. The rib surface support retractor according to claim 1, wherein: the flexible pipe includes pipe box (1), well core rod (11), lower pipe box (2) and rotary rod (6), go up pipe box (1) bottom opening, lower pipe box (2) open-top and setting are in go up pipe box (1) below, go up inside well core rod (11) and the rotary rod (6) of being provided with of pipe box (1), well core rod (11) and last pipe box (1) fixed connection, rotary rod (6) and well core rod (11) coaxial arrangement and rotary rod (6) rotate with well core rod (11) and are connected, rotary rod (6) bottom and lower pipe box (2) threaded connection.

3. The rib surface support retractor according to claim 2, wherein: the side of the rotating rod (6) is provided with an external thread, and the inner wall of the lower pipe sleeve (2) is provided with an internal thread (21) matched with the external thread.

4. The rib surface support retractor according to claim 2, wherein: regulator (8) include pivot, knob and second bevel gear (9), it has the mounting hole to go up pipe box (1) lateral wall expert, and the mounting hole internal rotation is connected with the pivot, and pivot one end is located inside and be provided with second bevel gear (9) of pipe box (1), and the pivot other end is located pipe box (1) outside and is provided with the knob, rotary rod (6) top fixed mounting has first bevel gear (7), second bevel gear (9) and first bevel gear (7) meshing.

5. The rib surface support retractor according to claim 1, wherein: the top and the bottom of the telescopic pipe are both rotatably connected with a screw rod (3), and the supporting component is in threaded connection with the screw rod (3).

6. The rib surface support retractor according to claim 2, wherein: the bottom of the central rod (11) is frustum-shaped.

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