CN111938723B

CN111938723B - Adjustable skin flap retractor

Info

Publication number: CN111938723B
Application number: CN202010575669.9A
Authority: CN
Inventors: 王明浩; 陈果; 曹小珍; 唐鹏
Original assignee: First Affiliated Hospital of Army Medical University
Current assignee: First Affiliated Hospital of Army Medical University
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-11-23
Anticipated expiration: 2040-06-22
Also published as: CN111938723A

Abstract

The invention discloses an adjustable skin flap retractor, which comprises: arc slide rail, slide, locking screw, tensioning equipment, stretch-draw line and drag hook, it is a plurality of slide slidable ground cover is established on the arc slide rail, tensioning equipment sets up on the slide, stretch-draw line sets up the inboard of arc slide rail, stretch-draw line is connected the drag hook with tensioning equipment is used for the top to push away the arc slide rail locking screw sets up on the slide. According to the invention, the tensioning wire is tensioned or relaxed by the tensioning device, so that the draw hook is tensioned or relaxed, the skin flap is pulled by adjusting the tensioning device, the shielding of the surgical field of vision is avoided, and meanwhile, the position of the draw hook can be adjusted by the tensioning device after the skin flap is pulled by the draw hook, so that the skin flap separation process is ensured to be smoothly carried out, and the surgical time is saved.

Description

Adjustable skin flap retractor

Technical Field

The invention relates to the technical field of mammary gland department surgical instruments, in particular to an adjustable skin flap retractor.

Background

The main operation adopted in the breast cancer operation at present is a radical improvement radical operation, in the operation, a patient is in a supine position, the upper limb of the affected side is extended by 90 degrees and fixed on a limb frame of an operating table, and the chest is padded by about 5 centimeters by a soft pillow; the longitudinal fusiform incision in the direction from the coracoid process to the umbilicus is adopted, the incision on the outer edge is made firstly, then the incision on the inner edge is made, the subcutaneous tissue is cut, a little subcutaneous tissue is clamped by the hemostatic forceps, the hemostatic forceps is lifted by the left hand, the skin is jacked up from the outer side by the fingers to be horizontally tensioned, and the subcutaneous fat tissue is cut by holding the broad face knife by the right hand to form the skin flap. The operation of flap opening often takes more than half an hour and most of the time, one person needs to pull both hands plus one hand for the flap to be pulled. The pulling work is mechanical work which needs to keep continuous pulling force for a long time and has low technical content and high physical requirement.

In the prior art, a skin flap retractor for helping to expose an incision or expose a surgical field is arranged along the periphery of a chest, but the operation related to the breast skin flap is performed by a unilateral skin flap, and the arrangement of the retractor along the periphery of the chest can obstruct the operation and disturb the sight; the position of a drag hook is kept unchanged and cannot be adjusted after the skin flap is dragged by the existing skin flap tractor, but the position of the drag hook needs to be adjusted according to the operation requirement when the skin flap is separated, and a doctor often needs to stop the operation to adjust the skin flap tractor, so that the operation time is delayed.

Disclosure of Invention

The invention aims to provide an adjustable skin flap retractor, so that the position of a draw hook can be adjusted in an operation, a doctor can complete skin flap separation as soon as possible, and the operation time is saved.

In order to achieve the above object, the present invention provides an adjustable flap retractor, comprising: arc slide rail, slide, locking screw, tensioning equipment, stretch-draw line and drag hook, it is a plurality of slide slidable ground cover is established on the arc slide rail, tensioning equipment sets up on the slide, stretch-draw line sets up the inboard of arc slide rail, stretch-draw line is connected the drag hook with tensioning equipment is used for the top to push away the arc slide rail locking screw sets up on the slide.

Optionally, the locking screw is arranged on the outer side of the arc-shaped sliding rail.

Optionally, end caps are arranged at two ends of the arc-shaped sliding rail.

It is optional, the tensioning device includes stay tube, threading pipe, end cap and stretch-draw knob, the stay tube sets up on the slide, the threading pipe is followed the radial direction of arc slide rail is worn to establish on the stay tube, the end cap sets up the threading pipe is kept away from stretch-draw line one end, the stretch-draw knob is including the lid, spliced pole and the wrapping post that connect gradually, the spliced pole sets up in the stay tube, the stay tube is kept away from slide one end is provided with the pipe tooth, be provided with on the lid with the pipe tooth is to complex terminal surface tooth, be provided with the through wires hole on the wrapping post, the stretch-draw line passes the threading pipe with the through wires jogged joint the end cap.

Optionally, the threading tube is located between the slide and the threading hole.

Optionally, the tension wire is an elastic wire.

Optionally, on the spliced pole the through wires hole is close to slide one side is provided with the annular, be provided with the spring leaf on the slide, spring leaf one end is passed through the annular is caught stretch-draw knob.

Optionally, one side of the arc-shaped sliding rail, which is far away from the tensioning device, is provided with a sliding rail bracket used for connecting an operating table.

Optionally, the slide rail bracket includes: bracing piece, lower plate, punch holder and lock sleeve, the lower plate sets up the bracing piece is kept away from arc slide rail one end, the punch holder wears to establish on the bracing piece, the lock sleeve wears to establish in order to compress tightly on the bracing piece the punch holder, the lock sleeve with the bracing piece passes through threaded connection.

The invention provides an adjustable flap retractor, comprising: arc slide rail, slide, locking screw, tensioning equipment, stretch-draw line and drag hook, it is a plurality of slide slidable ground cover is established on the arc slide rail, tensioning equipment sets up on the slide, stretch-draw line sets up the inboard of arc slide rail, stretch-draw line is connected the drag hook with tensioning equipment is used for the top to push away the arc slide rail locking screw sets up on the slide. According to the invention, the tensioning wire is tensioned or relaxed by the tensioning device, so that the draw hook is tensioned or relaxed, the skin flap is pulled by adjusting the tensioning device, the shielding of the surgical field of vision is avoided, and meanwhile, the position of the draw hook can be adjusted by the tensioning device after the skin flap is pulled by the draw hook, so that the skin flap separation process is ensured to be smoothly carried out, and the surgical time is saved.

Drawings

Figure 1 is a schematic view of an adjustable flap retractor according to an embodiment of the present invention;

FIG. 2 is a schematic view of a tensioning device according to an embodiment of the present invention;

FIG. 3 is an exploded view of a tensioning device according to an embodiment of the present invention;

fig. 4 is a schematic view of a slide rail bracket according to an embodiment of the invention.

Wherein: 1-arc slide rail, 2-slide seat, 3-locking screw, 4-tensioning device, 41-support tube, 411-tube tooth, 42-threading tube, 43-plug, 44-tensioning knob, 441-cover body, 4411-end face tooth, 442-connecting column, 443-winding column, 4431-threading hole, 4432-ring groove, 45-spring piece, 5-tensioning wire, 6-draw hook, 7-end cap, 9-slide rail bracket, 91-supporting rod, 92-lower clamping plate, 93-upper clamping plate and 94-locking sleeve.

Detailed Description

The following describes in more detail embodiments of the present invention with reference to the schematic drawings. Advantages and features of the present invention will become apparent from the following description and claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

Fig. 1 is a schematic view of an adjustable flap retractor according to an embodiment of the present invention, fig. 2 is a schematic view of a tensioning device according to an embodiment of the present invention, fig. 3 is an exploded schematic view of a tensioning device according to an embodiment of the present invention, and referring to fig. 1 to 3, the adjustable flap retractor includes: arc slide rail 1, slide 2, locking screw 3, tensioning equipment 4, stretch-draw line 5 and drag hook 6, it is a plurality of slide 2 slidable ground cover is established on the arc slide rail 1. One side of the arc-shaped sliding rail 1, which is close to the axis of the arc-shaped sliding rail, is the inner side, and one side, which is far away from the axis of the arc-shaped sliding rail, is the outer side. Tensioning device 4 sets up on the slide 2, stretch and act as go-between 5 sets up the inboard 1 of arc slide rail, stretch and act as go-between 5 and connect drag hook 6 with tensioning device 4, tensioning device 4 can tighten up or loosen stretch and act as go-between 5, be used for the top push arc slide rail 1 locking screw 3 sets up on the slide 2. The locking screw 3 is specifically arranged on the outer side of the arc-shaped sliding rail 1, the locking screw 3 is screwed down, and the sliding seat 2 can be tightened up by the locking screw 3 propping against the arc-shaped sliding rail 1. The two ends of the arc-shaped sliding rail 1 are provided with end caps 7, so that the sliding seat 2 is prevented from slipping off the arc-shaped sliding rail 1.

Referring to fig. 1 to 3, the tensioning device 4 includes a support tube 41, a threading tube 42, a plug 43, and a tensioning knob 44, the support tube 41 is disposed on the slide base 2, and an axis of the support tube 41 is perpendicular to a contact surface with the slide base 2. The threading pipe 42 is arranged on the support pipe 41 in a penetrating manner along the radial direction of the arc-shaped slide rail 1. The plug 43 is arranged at one end of the threading pipe 42 far away from the tension wire 5. The tensioning knob 44 includes a cover body 441, a connecting column 442 and a winding column 443, which are connected in sequence, the connecting column 442 is disposed inside the supporting tube 41, and the diameter of the connecting column 442 is equal to or slightly smaller than the inner diameter of the supporting tube 41. The supporting tube 41 is provided with a tube tooth 411 at one end far away from the sliding seat 2, the cover body 441 is provided with an end face tooth 4411 which is matched with the tube tooth 411, the winding post 443 is provided with a threading hole 4431, and the tension wire 5 passes through the threading tube 42 and the threading hole 4431 to be connected with the plug 43. The tension knob 44 is rotated to wind the tension wire around the winding post 443, so that the tension wire 5 can be loosened or tightened, and the drag hook 6 can be adjusted.

Referring to fig. 1 to 3, the threading tube 42 is located between the slide carriage 2 and the threading hole 4431, that is, the threading hole 4431 is located above the threading tube 42, and the tension knob 44 is pulled down by the tension wire 5. On the spliced pole 443 the threading hole 4431 is close to slide 2 one side is provided with annular 4432, be provided with spring leaf 45 on the slide 2, spring leaf 45 one end is passed through annular 4432 hooks stretch-draw knob 44 prevents that stretch-draw knob 44 breaks away from stay tube 41. The stretching wire 5 is an elastic wire, the drag hook 6 hooks the skin flap, when the subcutaneous adipose tissues are cut and the skin flap is separated, the stretching wire 5 automatically tightens and pulls the skin flap, and when the stretching force of the stretching wire 5 is smaller, a doctor tightens the skin flap by manually adjusting a knob.

Fig. 4 is a schematic view of a sliding rail support provided in an embodiment of the present invention, and referring to fig. 1 to 4, a sliding rail support 9 for connecting an operating table is disposed on a side of the arc-shaped sliding rail 1 away from the tensioning device 4. The slide rail bracket 9 includes: bracing piece 91, lower plate 92, punch holder 93 and lock sleeve 94, lower plate 92 sets up the bracing piece 91 is kept away from 1 one end of arc slide rail, punch holder 93 wears to establish on the bracing piece 91, lock sleeve 94 wears to establish in order to compress tightly on the bracing piece 91 punch holder 93, lock sleeve 94 with bracing piece 91 passes through threaded connection. The arc-shaped slide rail 1 is clamped on the operating bed through the slide rail support 9, the skin flap is pulled by the pulling hook 6 of the pulling line 5 through elastic expansion, the pulling hook 6 is automatically tightened by the pulling line 5 when a doctor separates the skin flap, the pulling hook 6 is prevented from being frequently tightened, and the operation time is shortened. The elastic line traction draw hook 6 is adopted, only the draw hook 6 and the tension line 5 are arranged on the periphery of the operation incision, and the skin flap tractor can be prevented from obstructing operation and interfering sight.

To sum up, the adjustable skin flap retractor provided by the embodiment of the present invention comprises: arc slide rail, slide, locking screw, tensioning equipment, stretch-draw line and drag hook, it is a plurality of slide slidable ground cover is established on the arc slide rail, tensioning equipment sets up on the slide, stretch-draw line sets up the inboard of arc slide rail, stretch-draw line is connected the drag hook with tensioning equipment is used for the top to push away the arc slide rail locking screw sets up on the slide. According to the invention, the tensioning wire is tensioned or relaxed by the tensioning device, so that the draw hook is tensioned or relaxed, the skin flap is pulled by adjusting the tensioning device, the shielding of the surgical field of vision is avoided, and meanwhile, the position of the draw hook can be adjusted by the tensioning device after the skin flap is pulled by the draw hook, so that the skin flap separation process is ensured to be smoothly carried out, and the surgical time is saved.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An adjustable flap retractor, comprising: the tensioning device is arranged on the sliding seat, the tensioning line is arranged on the inner side of the arc-shaped sliding rail, the tensioning line is connected with the pulling hook and the tensioning device, and the locking screw for pushing the arc-shaped sliding rail is arranged on the sliding seat; the tensioning device comprises a supporting pipe, a threading pipe, an end cap and a tensioning knob, the supporting pipe is arranged on the sliding seat, the threading pipe penetrates through the supporting pipe along the radial direction of the arc-shaped sliding rail, the end cap is arranged at one end, away from the tensioning line, of the threading pipe, the tensioning knob comprises a cover body, a connecting column and a winding column which are sequentially connected, the connecting column is arranged in the supporting pipe, pipe teeth are arranged at one end, away from the sliding seat, of the supporting pipe, end face teeth which are matched with the pipe teeth in the axial direction are arranged on the cover body, threading holes are formed in the winding column, and the tensioning line penetrates through the threading pipe and the threading holes to be connected with the end cap; the threading pipe is positioned between the sliding seat and the threading hole; an annular groove is formed in one side, close to the sliding seat, of the threading hole in the connecting column, a spring piece is arranged on the sliding seat, and one end of the spring piece hooks the tensioning knob through the annular groove;

a sliding rail bracket used for connecting an operating table is arranged on one side of the arc-shaped sliding rail, which is far away from the tensioning device; the slide rail bracket includes: bracing piece, lower plate, punch holder and lock sleeve, the lower plate sets up the bracing piece is kept away from arc slide rail one end, the punch holder wears to establish on the bracing piece, the lock sleeve wears to establish in order to compress tightly on the bracing piece the punch holder, the lock sleeve with the bracing piece passes through threaded connection.

2. The adjustable flap retractor of claim 1 wherein the locking screw is disposed outside of the arcuate slide track.

3. The adjustable flap retractor of claim 1 wherein the arcuate rails are provided with end caps at both ends.

4. The adjustable flap retractor of claim 1 wherein the tensioning wire is an elastic wire.