CN201572122U

CN201572122U - Thoracic-abdominal cavity retractor

Info

Publication number: CN201572122U
Application number: CN2009202834426U
Authority: CN
Inventors: 龚瑾; 黄建明; 王兰英; 谢洪涛
Original assignee: CHANGZHOU HEALTH MICROPORT MEDICAL DEVICE Co Ltd
Current assignee: CHANGZHOU HEALTH MICROPORT MEDICAL DEVICE Co Ltd
Priority date: 2009-12-18
Filing date: 2009-12-18
Publication date: 2010-09-08
Anticipated expiration: 2019-12-18

Abstract

The utility model relates to a thoracic-abdominal cavity retractor, which comprises a fixing seat assembly. A mounting hole vertically arranged and a notch transversally disposed on the inner side are arranged on a fixing seat of the fixing seat assembly, end portions of a height limit component and a horizontal limit component which are respectively mounted on the fixing seat are respectively arranged inside the mounting hole and the notch, and the middle portion and the lower portion of a support rod are respectively inserted in the mounting hole on the fixing seat and fastened by the height limit component. An extension seat of a retractor assembly is adjustably mounted on the support rod, a wire winding wheel is mounted inside the extension seat, and one side of the wire winding wheel extends out of the extension seat to be connected with a handle. A shaft shoulder of the wire winding wheel is provided with a ratchet, a pawl hinged on the extension seat is matched with the ratchet, a lateral wrench on the pawl is arranged outside of the extension seat, a return spring mounted in the extension seat is abutted onto the ratchet, and a suspension hook wound on a flexible steel wire rope outer end on the wire winding wheel is connected with a drag hook in a suspension manner. The retractor can be mounted at the edge of an operation bed, has convenient adjustment of the retractor assembly, can control length and angle of the drag hook correctly and conveniently, and brings convenience in retraction of thoracic and abdominal walls with different tissues and at different portions in operations.

Description

The splanchnocoel retractor

Technical field

This utility model relates to a kind of splanchnocoel retractor, belongs to the medical surgical instrument technical field.

Background technology

In surgical operation, need logical retractor that operative segment is fully appeared, broad surgical field of view, raising operation efficient and quality is provided.It is main following several to be used to the retractor of performing the operation at present: 1, S drag hook and abdominal cavity drag hook, in operation process, use manpower to retract tissue, need the special messenger to operate on the one hand, on the other hand, surgical exposure partly be difficult for to keep stable in the operation process, thus influence operation technique and.2, steel pipe retractor adopts toothed rigidity bar to be connected with fixed mount, owing to be to connect by profile of tooth, is therefore retracting when organizing, and the rigidity bar can be protruding, influences the erect-position of operator, thereby influence operation technique.3, circular retractor, according to the fat or thin degree of surgical patient, the size of individual size and operative incision, select suitable annular solid, select the drag hook of different size for use, fasten by hook on the drag hook arm of force and annular solid tooth limit, form force position antagonism surgical wound tissue tension, reach the purpose that retracts tissue, but this retractor structure, need be according to different parts before operation, a fairly large number of annular solid of different size configure and anchor point tooth button thereof also need dispose the tooth mouth groove that is provided with separated by a distance on the handle of drag hook, because the unfixed operation periphery that is placed on of annular solid causes operation loaded down with trivial details.Above-mentioned retractor all exist can't comprehensive adjustment problem, also can't accurately control drag hook length, complexity when having increased operation technique simultaneously.

Summary of the invention

The purpose of this utility model provides a kind of can be installed in retractor the operation bedside, and can make things convenient for the height and position of pull element, and accurately, conveniently controls drag hook length and angle, different tissues in conveniently performing the operation, the splanchnocoel retractor that different parts uses.

This utility model is that the technical scheme that achieves the above object is: a kind of splanchnocoel retractor, it is characterized in that: comprise holder assembly, strut, pull element and drag hook, described holder assembly comprises holder, height locating part and horizontal locating part, have perpendicular installing hole of putting and inboard horizontal notch on the holder, be installed in the height locating part on the holder and the end of horizontal locating part respectively and lay respectively in installing hole and the notch, the middle and lower part of strut is inserted into respectively in the installing hole on the holder and is fastening by the height locating part; Described pull element comprises drawing-off seat, reel, ratchet and back-moving spring, drawing-off seat scalable is installed in strut, reel is installed in the drawing-off seat and the one side is extended the drawing-off seat and is connected with handle, the shaft shoulder of reel is provided with ratchet, the ratchet and the ratchet that are hinged on the drawing-off seat match, and the side spanner on the ratchet is positioned at outside the drawing-off seat, and the back-moving spring that is installed in the drawing-off seat withstands on the ratchet, flexible wire ropes is on reel, and the suspension hook on the flexible wire ropes outer end and drag hook articulate.

The retractor that this utility model adopts holder assembly, strut, pull element and drag hook to constitute, by the holder assembly retractor is fixed on the operation bedstead, and pull element is installed in the top of strut, therefore can retractor be regulated at the height and position free lifting by strut, therefore when clinical practice uses, have the characteristics of flexible operation.Drag hook of the present utility model is by the flexible wire ropes control that is connected with drafting component, and drafting component adopts ratchet and pawl arrangement, flexible wire ropes is freely reeled by the ratchet in the pull element or is emitted, making flexible wire ropes drive drag hook moves up and down, adopt soft readjustment to make not expansive space laterally of regulating part, can not influence the erect-position of operator, can realize comprehensive, accurate folding and unfolding drag hook.This utility model pull element is connected with the holder assembly by strut, therefore can select holder component count and installation site according to the operation needs, different tissues in the convenient operation, the splanchnocoel of different parts retracts, have traction suitably, wild broad, the characteristics that the patient is comfortable of art.

Description of drawings

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the structural representation of this utility model pull element.

Wherein: 1-first handle, the horizontal locating part of 2-, 3-push-down head, 4-second handle, 5-height locating part, 6-side pressure head, 7-holder, 7-1-installing hole, the 7-2-notch, 8-strut, 9-lock-screw, 10-drawing-off seat, the 10-1-installing hole, 11-reel, 12-knob, 13-flexible wire ropes, 14-drag hook, the 15-bedstead of performing the operation, the 16-back-moving spring, 17-side spanner, 18-ratchet, 19-bearing.

The specific embodiment

See shown in Figure 1ly, splanchnocoel retractor of the present utility model comprises holder assembly, strut 8, pull element and drag hook 14.Holder assembly of the present utility model comprises holder 7, height locating part 5 and horizontal locating part 2, perpendicular installing hole 7-1 that strut 8 is installed and the inboard horizontal notch 7-2 that is installed on the operation bedstead 15 of being equipped with on the holder 7, being installed in the height locating part 5 on the holder 7 and the end of horizontal locating part 2 respectively lays respectively in installing hole 7-1 and the notch 7-2, the installing hole 7-1 that the middle and lower part of strut 8 is inserted into respectively on the holder 7 is interior and fastening by height locating part 5, this height locating part 5 can adopt adjusting screw(rod), the rear end of height locating part 5 is hinged with second handle 4, front end is connected with side pressure 6, by height locating part 5 strut 8 is fixed on the holder 7.See shown in Figure 1, the rear end of horizontal locating part 2 of the present utility model is hinged with first handle 1, front end is connected with push-down head 3, same this horizontal locating part 2 adopts adjusting screw(rod), the notch 7-2 on the holder 7 can be installed on the operation bedstead 19, and fix by horizontal locating part 2.

See shown in Fig. 1～4, pull element of the present utility model comprises drawing-off seat 10, reel 11, ratchet 18 and back-moving spring 16, drawing-off seat 10 scalable are installed in strut 8, this drawing-off seat 10 is provided with installing hole 10-1, be inserted into the installing hole 10-1 top of drawing-off seat 10 on the strut 8, be installed in lock-screw 9 on the drawing-off seat 10 and be positioned at stopper slot on the strut 8, this strut 8 is provided with stopper slot, reel 11 is installed in the drawing-off seat 10 and the one side is extended drawing-off seat 10 and is connected with knob 12, the shaft shoulder of reel 11 is provided with ratchet, the ratchet 18 that is hinged on the drawing-off seat 10 matches with ratchet, light for operating, reel 11 is installed on the drawing-off seat 10 by bearing 19, the side spanner 17 of ratchet 18 is positioned at outside the drawing-off seat 10, this side plate hands 17 can be installed on the ratchet 18, back-moving spring 16 is arranged in the drawing-off seat 10 and in withstanding on the ratchet 18, the inner is fixed on the reel 11 flexible wire ropes 13 around reel 11, and suspension hook and drag hook 14 on flexible wire ropes 13 outer ends articulate, by the click structure, flexible wire ropes 16 is acted freely, reach necessary requirement, this utility model drag hook 17 adopts size, variform multiple drag hook, different tissues in the convenient operation, the traction of different parts breast stomach wall appears surgical field of view.

Claims

1. splanchnocoel retractor, it is characterized in that: comprise the holder assembly, strut (8), pull element and drag hook (14), described holder assembly comprises holder (7), height locating part (5) and horizontal locating part (2), have perpendicular installing hole of putting (7-1) and inboard horizontal notch (7-2) on the holder (7), be installed in the height locating part (5) on the holder (7) and the end of horizontal locating part (2) respectively and lay respectively in installing hole (7-1) and the notch (7-2), the middle and lower part of strut (8) is inserted into respectively in the installing hole (7-1) on the holder (7) and is fastening by height locating part (5); Described pull element comprises drawing-off seat (10), reel (11), ratchet (18) and back-moving spring (16), drawing-off seat (10) scalable is installed on the strut (8), reel (11) is installed in the drawing-off seat (10) and the one side is extended drawing-off seat (10) and is connected with handle, the shaft shoulder of reel (11) is provided with ratchet, the ratchet (18) that is hinged on the drawing-off seat (10) matches with ratchet, and the side spanner (17) on the ratchet (18) is positioned at outside the drawing-off seat (10), the back-moving spring (16) that is installed in the drawing-off seat (10) withstands on the ratchet (18), flexible wire ropes (13) is on reel (11), and the suspension hook on flexible wire ropes (13) outer end and drag hook (14) articulate.

2. splanchnocoel retractor according to claim 1 is characterized in that: described reel (11) is installed on the drawing-off seat (10) by bearing (19).

3. splanchnocoel retractor according to claim 1 is characterized in that: the rear end of described height locating part (5) is hinged with second handle (4), front end is connected with side pressure head (6).

4. splanchnocoel retractor according to claim 1 is characterized in that: the rear end of described horizontal locating part (2) is hinged with first handle (1), front end is connected with push-down head (3).

5. splanchnocoel retractor according to claim 1, it is characterized in that: described strut (8) top is provided with stopper slot, drawing-off seat (10) is inserted into strut (8) top, is installed in lock-screw (9) on the drawing-off seat (10) and is positioned at stopper slot on the strut (8).