CN105615935A

CN105615935A - Expansion flap delay ring

Info

Publication number: CN105615935A
Application number: CN201410580973.7A
Authority: CN
Inventors: 谢峰; 李青峰; 朱海男
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date: 2014-10-27
Filing date: 2014-10-27
Publication date: 2016-06-01
Anticipated expiration: 2034-10-27
Also published as: CN105615935B

Abstract

The invention discloses an expansion flap delay ring, which comprises a hard ring, a flexible pipe, a pressure intensity gauge and an air bag; the hard ring is in the shape of an opening and comprises two segments of half rings, wherein, the caliber of one half ring is less than the caliber of the other half ring and the half ring that has a small caliber is right inserted into the half ring that has a large caliber. The opening of the hard ring is controlled by controlling the overlap amount of the two segments of half rings; several threaded holes are arranged in the two half rings; a screw passes through a threaded hole overlapped by the two half rings to fix a relative position of the two half rings; small apertures are arranged in the other ends of the half rings, wherein the other ends mean the ends that have no overlaps; the two ends of the flexible pipe can pass through the small apertures on the other ends to be connected with the hard ring respectively; and the pressure intensity gauge and the air bag are communicated with the flexible pipe. The method is simple; the process is fast; the process is safe; and a patient can help himself in his home. The patient suffers little from the process, and medical resource is saved.

Description

Expanded skin flap ring retard

Technical field

The present invention relates to medical apparatus and instruments, more particularly, relate to the expanded skin flap ring retard being applied to the preoperative delay of dilator expanded skin flap.

Background technology

Dilator expanded skin flap preoperative delay primarily now technology postpones for operation, and operation process can be sketched and determine, for (1), the range size being intended to transposition of flap; (2) retain the base of a fruit, prolong and cut around flap, and by the blood vessel coagulation of cutting section or ligation; (3) suture in situ cuts flap. Its objective is by surgical incision, block other blood of flap except the base of a fruit and supply source, and cause hypoxic-ischemic environment locally, promote the base of a fruit's vasodilation and new capillary vessel growth. Thus postoperative in transfer of skin flap, reduce the situation of the far-end necrosis that flap causes because of the base of a fruit's blood supply insufficiency.

Using operation method that expanded skin flap carries out postpone major defect to have: (1) needs in the preoperative to the range size of flap being intended to transfer, the base of a fruit position, width etc. makes comprehensive judgement, and after making decision, is difficult to operation plan is modified again; (2) operation process is complicated, and has and cause dilator ulceration, and postoperative appearance is hemorrhage, the possibility of the complication such as infection of expanded skin; (3) add the misery of patient, financial burden, occupy the medical resource of preciousness.

Summary of the invention

The technical problem to be solved is to provide a kind of expanded skin flap ring retard.

In order to solve the problems referred to above, the present invention provides expanded skin flap ring retard, it is characterized in that, including hard ring, flexible pipe, pressure gauge and air bag, described hard ring is opening-like, it is made up of two sections of semi-rings, wherein the caliber of one section of semi-ring is less than another section of semi-ring, and the little semi-ring of caliber inserts in the semi-ring that caliber is big just, hard ring openings of sizes is controlled by the lap of two sections of semi-rings, two sections of semi-rings are respectively provided with several screw holes, screw fixes the relative position of two sections of semi-rings through the screw hole that two sections of semi-rings are overlapping, the other end of semi-ring respectively arranges an aperture, the described other end refers to the one end not overlapped, the two ends of described flexible pipe be able to be each passed through the aperture of the other end and be connected with hard ring, described pressure gauge and air bag respectively with soft pipe connection.

As a preferred version, a nonelastic restraining belt is set outside described flexible pipe. After flexible pipe is set on dilator, before air bag is inflated, not having elastic restraining belt to tighten up knotting, inwardly expanded skin flap can only be applied pressure after the expansion of such flexible pipe, it is impossible to expand outwardly (for invalid expansion, it does not have elastic restraining belt is blocked). So improve the flexible pipe pressure to flap, improve efficiency.

As a preferred version, the bifurcated mouth of soft pipe connection air bag and pressure gauge arranges a criss-cross protection set.

As a preferred version, the hard silica gel tube that described hard ring is deformed by inflexibility is made, and silica gel tube is the pipeline of hollow.

As a preferred version, the caliber of one section of semi-ring is 0.9 centimetre, and the caliber of another section of semi-ring is 1 centimetre.

As a preferred version, described flexible pipe is made up of bending deformed soft silicone tube, and silica gel tube is the pipeline of hollow.

As a preferred version, described hose diameter is 0.5 centimetre or 1 centimetre.

It is an advantage of the current invention that (1) postpones with this device, postpone the cicatrix stayed without operation, admittedly operation method can be changed in the transfer of skin flap preoperative any time, solve the postoperative shortcoming that can not be modified of flap that operation postpones. (2) delay carried out with this device, without any otch, stitching, admittedly be absent from the problems such as infection, hematoma, dilator ulceration. (3) using this installation method simple, the used time is few, process safety, and patient can be instructed to carry out at home voluntarily. Alleviate the misery of patient, save the medical resource of preciousness.

Accompanying drawing explanation

Fig. 1 is expanded skin flap ring retard structural representation of the present invention.

Fig. 2 is schematic diagram during hard two sections of semi-ring overlaps of ring.

Fig. 3 is hard ring side schematic view.

Being numbered in diagram: 1 hard ring; 11 1 sections of semi-rings; 12 another section of semi-rings; 13 screw holes; 14 screws; 15 apertures; 2 flexible pipes; 3 pressure gauges; 4 air bags.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is elaborated, the purposes of embodiment be only that explanation the present invention and non-limiting technical scheme.

Embodiment 1

Refer to Fig. 1, expanded skin flap ring retard includes hard ring 1, flexible pipe 2, pressure gauge 3 and air bag 4, the C-shaped opening shape of hard ring 1, it is made up of two sections of semi-rings, wherein the caliber of one section of semi-ring 11 is less than another section of semi-ring 12, and the little semi-ring of caliber inserts in the semi-ring that caliber is big just, controls hard ring openings of sizes by the lap of two sections of semi-rings, referring to the schematic diagram that Fig. 2, Fig. 2 are during hard two sections of semi-ring overlaps of ring. Referring to Fig. 3, Fig. 3 is hard ring 1 side schematic view, and two sections of semi-rings are respectively provided with several screw holes 13, and screw 14 fixes the relative position of two sections of semi-rings through the screw hole that two sections of semi-rings are overlapping. With continued reference to Fig. 1, the other end of semi-ring respectively arranges an aperture 15, and the described other end refers to that the one end not overlapped, the two ends of flexible pipe 2 be able to be each passed through the aperture 15 of the other end and be connected with hard ring 1, and pressure gauge 3 connects with flexible pipe 2 respectively with air bag 4.

Flexible pipe, air bag, pressure gauge three is connected, and is inflated in flexible pipe by air bag, increases the pressure to flap, the pressure in pressure gauge then recording process, it is ensured that pressure exceedes arterial pressure in flap after expansion flexible pipe.

One nonelastic restraining belt (diagram is not drawn into) is set outside described flexible pipe, after flexible pipe is set on dilator, before air bag is inflated, knotting is tightened up there is no elastic restraining belt, inwardly expanded skin flap can only be applied pressure after the expansion of such flexible pipe, (for invalid expansion, it does not have elastic restraining belt is blocked) can not be expanded outwardly. So improve the flexible pipe pressure to flap, improve efficiency.

The bifurcated mouth of soft pipe connection air bag and pressure gauge can arrange criss-cross protection set (diagram is not drawn into), it is to avoid soft tube winding and destruction.

The hard silica gel tube that hard ring 1 is deformed by inflexibility is made, and silica gel tube is the pipeline of hollow. Wherein the caliber of one section of semi-ring 11 is 0.9 centimetre, and the caliber of another section of semi-ring 12 is 1 centimetre. Two sections of semi-rings are equipped with a screw hole, bore dia 0.5 centimetre every 1.5 centimetres. Whole ring has a breach, and the big I of breach is adjusted (2 centimetres to 10 centimetres) by the lap of two sections of semi-rings. The hole diameter of the semi-ring other end 0.5 centimetre or 1 centimetre, can pass through flexible pipe 2.

Flexible pipe 2 is made up of bending deformed soft silicone tube, and silica gel tube is the pipeline of hollow, and flexible pipe 2 diameter is 0.5 centimetre or 1 centimetre. The knotting after semi-ring other end aperture 15 of flexible pipe 2 two ends is fixing, regulates flexible pipe 2 length with this.

During use, 1. confirm expanded skin flap the base of a fruit position and width (a), confirm that bottom expanded skin flap, Zhou Jing deducts the length (b) of the base of a fruit's width simultaneously.

2. regulate c shape hard ring notch length to width (a) corresponding with the base of a fruit, be screwed the two sections of semi-rings connecting hard ring afterwards, to length (b) and tie a knot fixing by regulating hose length behind the hard ring two ends of traverse, flexible pipe two.

3. hard ring two ends are directed at the base of a fruit two ends so that hard ring breach is just to flap the base of a fruit. Flexible pipe is inserted in all the other the expanded skin flap bottoms except the base of a fruit, the nonelastic restraining belt outside flexible pipe is tightened.

4. inflated in flexible pipe by air bag, and observe piezometer situation of change, when piezometer reaches 140mmhg, stop inflating.

5. observing expanded skin flap change, when pressure exceedes local skin flap's systolic arterial pressure, expanded skin flap may occur in which gloomy, purplish grey, the cool situation of Pi Wenfa, illustrates that flexible pipe has successfully blocked flap the base of a fruit and entered the blood flow in flap with outer skin. Delayer is unclamped after 5 minutes. Once preoperative delay completes. Within one day, delay can be performed twice at, it is gradually increased the time of delay and postpones pressure, make the vasodilation of flap the base of a fruit, new capillary vessel grows, when flexible pipe blocking-up flap blood flow 1 is little, when flap still blood fortune is good, prompting flap can from the base of a fruit's blood supply to whole flap without disturbance of blood circulation, the acceptable operation of patient.

The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.

Claims

1. expanded skin flap ring retard, it is characterized in that, including hard ring, flexible pipe, pressure gauge and air bag, described hard ring is opening-like, it is made up of two sections of semi-rings, wherein the caliber of one section of semi-ring is less than another section of semi-ring, and the little semi-ring of caliber inserts in the semi-ring that caliber is big just, hard ring openings of sizes is controlled by the lap of two sections of semi-rings, two sections of semi-rings are respectively provided with several screw holes, screw fixes the relative position of two sections of semi-rings through the screw hole that two sections of semi-rings are overlapping, the other end of semi-ring respectively arranges an aperture, the described other end refers to the one end not overlapped, the two ends of described flexible pipe be able to be each passed through the aperture of the other end and be connected with hard ring, described pressure gauge and air bag respectively with soft pipe connection.

2. expanded skin flap ring retard according to claim 1, it is characterised in that a nonelastic restraining belt is set outside described flexible pipe.

3. expanded skin flap ring retard according to claim 1, it is characterised in that the bifurcated mouth of soft pipe connection air bag and pressure gauge arranges a criss-cross protection set.

4. expanded skin flap ring retard according to claim 1, it is characterised in that the hard silica gel tube that described hard ring is deformed by inflexibility is made, silica gel tube is the pipeline of hollow.

5. expanded skin flap ring retard according to claim 1, it is characterised in that the caliber of one section of semi-ring is 0.9 centimetre, the caliber of another section of semi-ring is 1 centimetre.

6. expanded skin flap ring retard according to claim 1, it is characterised in that described flexible pipe is made up of bending deformed soft silicone tube, silica gel tube is the pipeline of hollow.

7. expanded skin flap ring retard according to claim 1, it is characterised in that described hose diameter is 0.5 centimetre or 1 centimetre.