CN101401734B - Lower abdominal region retractor - Google Patents

Abstract

The invention discloses an abdominal retractor, which comprises a U-shaped support (1), and amplitude transformer (5) formed by connecting a long rod and a short rod. The abdominal retractor is characterized in that the bottom of the U-shaped support (1) is screwed with a amplitude modulating bolt (2) which has one end that is positioned in the U-shaped support (10 ) sleeved on a connecting seat (3) and drive the connecting seat (3) to move back and forth. Two edges of the connecting rod (3) are both provided with a first pivot (4) which is inserted in a pivoting slotted hole (22) on a short rod end of the amplitude transformer (5). Tops of two straight edges of the U-shaped support (1) are both provided with a second pivot (16) which is inserted in a pivoting slotted hole (23) at a corner part of the amplitude transformer (5). A detachable side hook plate (6) is arranged on the long rod of the amplitude transformer (5). The abdominal retractor is reasonable in design and convenient in use, reduces damages caused during surgeries due to exposure of the vision range of abdominal operation, reduces time for the surgeries, lowers the labor intensity of medical personnel, and has obvious effect.

Description

Lower abdominal region retractor

Technical field

The present invention relates to a kind of medical surgical instrument, especially a kind of retractor that is used to increase the hypogastric region surgical field of view, specifically a kind of lower abdominal region retractor.

Background technology

As everyone knows, the hypogastric region operation is a kind of common operation, especially need often execute the hypogastric region operation with removal lesion tissue in the gynecological field.

After hypogastric region is opened, because there is certain elasticity in human muscular tissue, therefore otch separately just can must there be surgical field of view preferably, existing method one is to rely on the assistant otch to be drawn back with apparatus from both sides, commonly used have a medical operation drag hook, and the medical operation drag hook have use inconvenient, complicated operation and with defectives such as manpower retract.Another kind is to utilize the large-scale retractor that is fixed on the operation table that otch is separated.Preceding a kind of method needs two assistants, and the application of force is difficult to control, a kind of method in back can make operation table very complicated, what influence operating doctor normally executes cutter, it is bigger that the amplitude that retracts is adjusted difficulty, and adjust the otch openings of sizes at any time in operation process is recurrent, this retractor complex structure of while, volume is big, make, install all very complicated, sterilization difficulty and workload are all less, therefore, develop a kind of can directly placing around the patients abdomen otch, the lower abdominal region retractor that can regulate the openings of sizes of otch easily just seems very important.

Summary of the invention

The objective of the invention is the characteristics stated at the hypogastric region hands, design and a kind ofly can directly place on the patients abdomen and opening is adjusted lower abdominal region retractor very easily.

Technical scheme of the present invention is:

A kind of lower abdominal region retractor, comprise a U-shaped support 1 and thehorn 5 that links to each other and form by stock and quarter butt, the bottom that it is characterized in that described U-shaped support 1 is installed withamplitude modulation bolt 2, the end thatamplitude modulation bolt 2 is arranged in U-shaped support 1 is sleeved on theConnection Block 3 and can drives thisConnection Block 3 and moves forward and backward, the both sides ofConnection Block 3 respectively are equipped with onefirst pivot 4, first pin axial sleeve is contained in thepivot tankage hole 22 ofhorn 5 quarter butt ends, one second pivot, 16, the second pivots 16 respectively are installed at two straight flange tops of described U-shaped support 1 are sleeved on thepivot dress hole 23 that is arranged inhorn 5 corner parts; Removable side hook plate 6 also is installed on the stock of describedhorn 5.

The tightening double-screw bolt 8 that is used for fixingend hook plate 7 also is installed on describedConnection Block 3, and thisend hook plate 7 is made up offixed strip 10 and end arm-tie 11, the throughhole 14 thatfixed strip 10 is provided withelongated slot 9 and connects withelongated slot 9, and end arm-tie 11 is hinged and connected withfixed strip 10; Described tightening double-screw bolt 8 is linked to each other with column part 13 by threaded portion 12 and forms, and the external diameter of column part 13 is greater than the width of describedelongated slot 9, and the diameter of described throughhole 14 is not less than the external diameter of column part 13.

The upper end of described column part 13 is equipped with the tightening sheet 15 that is used to rotate tightening double-screw bolt 8.

Described end arm-tie 11 bends the bent frame that forms for entity arc, trough of belt arc or by stainless steel silk.

On the describedConnection Block 3, the both sides of tightening double-screw bolt 8 respectively are provided with guide-localization boss 25.

Described side hook plate 6 is made up oflayback plate 17 andsuit piece 18,layback plate 17 is hinged and connected withsuit piece 18, onsuit piece 18, be provided with thejack 19 that a stock withhorn 5 matches, injack 19, be provided with ananti-rotation projection 20, on the stock ofhorn 5, be provided with agroove 21 that matches withanti-rotation projection 20.

Describedlayback plate 17 bends the bent frame that forms for entity arc, trough of belt arc or by stainless steel silk.

Describedamplitude modulation bolt 2 is positioned on the end of bottom outside of U-shaped support 1handle 24 is installed.

Beneficial effect of the present invention:

The present invention can retract bilateral or one-sided stomach wall down according to different operation needs, makes wild more perfect exposure, the hardship of exempting artificial traction of obtaining of art.Drive the amplitude modulation bolt by turning handle and move forward and backward, thereby symmetrically arranged horn is opened or closure, drive the layback hook and retract the hypogastric region operative incision, can avoid the mechanical damage of stomach wall.

The present invention is simple and reasonable, safe and convenient to use, can be widely used in the hypogastric region operation.Prove that through clinical trial the present invention is reasonable in design, easy to use, for exposing the hypogastric region surgical field of view, reduce operation wound, shorten operating time, alleviating medical worker labour force, obvious effects is arranged.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is one of end hook plate structure sketch map of the present invention.

Fig. 3 is two of an end hook plate structure sketch map of the present invention.

Fig. 4 is three of an end hook plate structure sketch map of the present invention.

Fig. 5 is the structural representation of tightening double-screw bolt of the present invention.

Fig. 6 is one of structural representation of side hook plate of the present invention.

Fig. 7 be side hook plate of the present invention structural representation two.

Fig. 8 be side hook plate of the present invention structural representation three.

Fig. 9 is the structural representation of the horn of a side of the present invention.

Figure 10 is the structural representation of Connection Block of the present invention.

The specific embodiment

The present invention is further illustrated below in conjunction with drawings and Examples.

Shown in Fig. 1～10.

A kind of lower abdominal region retractor, all adopt the stainless steel material manufacturing, it comprises a U-shaped support 1 and symmetrically arranged twohorn 5 that link to each other and form by stock and quarter butt, as shown in Figure 1, the bottom of described U-shaped support 1 is installed withamplitude modulation bolt 2, the end thatamplitude modulation bolt 2 is arranged in U-shaped support 1 is sleeved on the Connection Block 3 (as Figure 10), when rotatingamplitude modulation bolt 2, it can driveConnection Block 3 and move forward and backward, the both sides ofConnection Block 3 respectively are equipped with onefirst pivot 4, first pin axial sleeve is contained in thepivot tankage hole 22 ofhorn 5 quarter butt ends (as Fig. 9), one second pivot, 16, the second pivots 16 respectively are installed at two straight flange tops of described U-shaped support 1 are sleeved on thepivot dress hole 23 that is arranged inhorn 5 corner parts;Amplitude modulation bolt 2 is positioned to be equipped with on the end of bottom outside of U-shaped support 1 and is used for theconvenient handle 24 that rotates the amplitude modulation bolt, during concrete enforcement, thishandle 24 also can remove, and only utilizes the rotating operation of aid (as spanner, bottle opener etc.) realization toamplitude modulation bolt 2 in use.The removable side hook plate 6 that the human body hypogastric region is strutted of being used for also is installed on the stock of describedhorn 5, side hook plate 6 is made up oflayback plate 17 andsuit piece 18,layback plate 17 is hinged and connected withsuit piece 18, onsuit piece 18, be provided with thejack 19 that a stock withhorn 5 matches, (the anti-rotation boss can be a point when specifically implementing to be provided with ananti-rotation projection 20 injack 19, also can be strip, the also available screw that passes the suit hole replaces), on the stock ofhorn 5, be provided with agroove 21 that matches withanti-rotation projection 20; The shape oflayback plate 17 can design according to the degree of depth of operation, patient's the bodily form, its basic configuration can be referring to shown in Fig. 6,7,8, the entity arc of Fig. 6 more shallow situation of the degree of depth that is suitable for performing the operation, the trough of belt arc of Fig. 7 then is suitable for going deep into the inside of human body situation that organ pipe removes of will being correlated with, slotted eye wherein helps preventing that operating time is long causes thrombosis and the generation of downright bad phenomenon, shown in Figure 8 bend the bent frame that forms by stainless steel silk and then is suitable for the long situation of operating time.In addition, for facilitating operation, the tissue or the organ pipe that prevent otch top or bottom influence surgical field of view, one of a fixed installation and side hook plate 6 corresponding toend hook plates 7 also can be installed onConnection Block 3,end hook plate 7 is made up offixed strip 10 and end arm-tie 11, the throughhole 14 that fixedstrip 10 is provided withelongated slot 9 and connects withelongated slot 9, end arm-tie 11 is hinged and connected withfixed strip 10,fixed strip 10 is fixed on theConnection Block 3 by tightening double-screw bolt 8 (as Fig. 5), tightening double-screw bolt 8 is linked to each other with column part 13 by threaded portion 12 and forms, the external diameter of column part 13 is greater than the width of describedelongated slot 9, the diameter of described throughhole 14 is not less than the external diameter of column part 13, in addition, for the ease of tightening double-screw bolt 8 is tightened on theConnection Block 3, also one can be on the column part 13 of tightening double-screw bolt 8, installed and the tightening sheet of putting 15 can be horizontally can erected again, tightening sheet 15 is arranged in the fluting of column part 13 upper ends, be coated with bearing pin in the fluting, tightening sheet 15 is provided with the slotted eye that matches with bearing pin, the slotted eye that bearing pin then is arranged on the tightening sheet 15 plays the slip-off preventing effect, also can uneasy load stator 15 when specifically implementing but realizes the rotating operation of tightening double-screw bolt 8 in use by aid.Similarly, the shape of end arm-tie 11 also can have various ways, Fig. 2,3,4 only is several forms of using always, shown in Figure 2 is the entity arc plate structure, shown in Figure 3 is the trough of belt arc plate structure, shown in Figure 4 is to bend the bent frame structure that forms by stainless steel silk, and its purposes is identical with the layback plate, and should supporting use.

In addition, in order to make, onConnection Block 3, the both sides of tightening double-screw bolt 8 respectively are provided with guide-localization boss 25 in the location of end arm-tie and fixing.

Using method of the present invention is:

At first select suitable side hook plate 6 to be inserted on thehorn 5, theslot 21 with the anti-rotation boss in the plug-in opening 19 of layback plate 6 20 is aimed on thehorn 5 moves to suitable position and gets final product; Secondly as needing installationend hook plate 7, then can be earlier the tightening sheet 15 on tightening double-screw bolt 8 tops be moved to and the corresponding to state of its axis, then the through hole on theend hook plate 7 14 being aimed at tightening sheet 15 makes on its surface that drops toConnection Block 3 and between two guide-localization boss 25,fixed strip 10 in the mobileterminal hook plate 7 is to suitable position then, operate tightening sheet 15 again and drive tightening double-screw bolts 8 and rotate, utilize the end face of column part 13 to push downfixed strip 10 and make it to be fixed on theConnection Block 10 and get final product.After operative incision is opened, retractor of the present invention is placed patient's hypogastric region incision site place, with hands with the side hook plate, end hook plate (in case of necessity) places otch,last turning handle 24 drivesamplitude modulation bolt 2 and rotates,amplitude modulation bolt 2 promotes Connection Block and moves to the direction away from U-shaped support 1 bottom, thereby apply an active force for the quarter butt end ofhorn 5, force the pivot 16 ofhorn 5 to rotate around U-shaped support straight flange end, thereby the distance between twohorn 5 is strengthened,horn 5 moves at the open side hook plate 6 that drives simultaneously, and 6 of side hook plates open otch.After operation finished, it is standby that reverse operating can take off sterilization.

The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.

Claims (7)

1. lower abdominal region retractor, comprise a U-shaped support (1) and the horn (5) that links to each other by stock and quarter butt and form, the bottom that it is characterized in that described U-shaped support (1) is installed with amplitude modulation bolt (2), the end that amplitude modulation bolt (2) is arranged in U-shaped support (1) is sleeved on a Connection Block (3) and goes up and can drive this Connection Block (3) and move forward and backward, the both sides of Connection Block (3) respectively are equipped with one first pivot (4), first pin axial sleeve is contained in the pivot tankage hole (22) of horn (5) quarter butt end, two straight flange tops at described U-shaped support (1) respectively are equipped with one second pivot (16), and second pivot (16) is sleeved on the pivot dress hole (23) that is arranged in horn (5) corner part; Removable side hook plate (6) also is installed on the stock of described horn (5).

2. lower abdominal region retractor according to claim 1, it is characterized in that on described Connection Block (3), also being equipped with the tightening double-screw bolt (8) that is used for fixing end hook plate (7), this end hook plate (7) is made up of fixed strip (10) and end arm-tie (11), the through hole (14) that fixed strip (10) is provided with elongated slot (9) and connects with elongated slot (9), end arm-tie (11) is hinged and connected with fixed strip (10); Described tightening double-screw bolt (8) is linked to each other with column part (13) by threaded portion (12) and forms, and the external diameter of column part (13) is greater than the width of described elongated slot (9), and the diameter of described through hole (14) is not less than the external diameter of column part (13).

3. lower abdominal region retractor according to claim 2 is characterized in that the upper end of described column part (13) is equipped with the tightening sheet (15) that is used to rotate tightening double-screw bolt (8).

4. lower abdominal region retractor according to claim 2 is characterized in that described end arm-tie (11) bends the bent frame that forms for entity arc, trough of belt arc or by stainless steel silk.

5. lower abdominal region retractor according to claim 1, it is characterized in that described side hook plate (6) is made up of layback plate (17) and suit piece (18), layback plate (17) is hinged and connected with suit piece (18), on suit piece (18), be provided with the jack (19) that a stock with horn (5) matches, in jack (19), be provided with an anti-rotation projection (20), on the stock of horn (5), be provided with a groove (21) that matches with anti-rotation projection (20).

6. lower abdominal region retractor according to claim 5 is characterized in that described layback plate (17) bends the bent frame that forms for entity arc, trough of belt arc or by stainless steel silk.

7. lower abdominal region retractor according to claim 1 is characterized in that described amplitude modulation bolt (2) is positioned on the end of bottom outside of U-shaped support (1) handle (24) is installed.

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