CN201361052Y

CN201361052Y - Skin expander

Info

Publication number: CN201361052Y
Application number: CNU2008201582118U
Authority: CN
Inventors: 孟繁君; 翁瑞; 李青峰
Original assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Current assignee: Ninth Peoples Hospital Shanghai Jiaotong University School of Medicine
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-12-16
Anticipated expiration: 2018-12-30

Abstract

The utility model discloses a skin expander, which comprises an expander capsule, a water injection cavity and a liquid suction cavity, wherein the expander capsule is a sealing flexible capsule which can be expanded by multiple times; the water injection cavity is a tubular cavity, and a first end thereof is communicated with the expander capsule while a second end is provided with an injection pot; and the liquid suction cavity is a tubular cavity which is parallel with the water injection cavity, wherein a first end of the liquid suction cavity is arranged at the outside of the expander capsule and close to the expander capsule, and is communicated with the first end of the water injection cavity, while a second end is provided with a liquid suction pot. The technical scheme of the utility model is simple, the operation is convenient, and the skin expander is convenient to be used to treat the effusion after the implant surgery in the medical field.

Description

Skin dilator

[technical field]

This utility model relates to field of medical, particularly relates to a kind of skin dilator of being convenient to handle heeling-in postoperative hydrops.

[background technology]

Present known skin dilator is made up of expansion capsule, water injection pipe and topping up jug that silica gel material is made usually, and water injection pipe connects expansion capsule and topping up jug.The expansion capsule is can the expansible airtight elastomeric bladder of several times, two kinds of methods are arranged during use usually, the one, the expansion capsule is implanted subcutaneous tissue, topping up jug and fractional water flooding pipe stay the external method of topping up jug outside body surface, and the 2nd, topping up jug and water injection pipe together are imbedded at the built-in method of hypodermic topping up jug.Arrive subcutaneous expansion capsule by the regular water filling of topping up jug through water injection pipe, the expansion capsule expands gradually skin is expanded, and comes dummy table organization damaged thereby form expanded skin flap, and overall process needs the 3-6 month.Some comparatively severe complications take place in the skin dilator that uses clinically frequent (bibliographical information 20%-40%) in therapeutic process at present, as infection, the hematoma at postoperative heeling-in dilator position, leak etc.The expansion cavity hydrops usually is one of performance of infecting of expansion cavity, and this type of is the control infection efficient ways to the extraction of infectious hydrops with to the flushing of expansion cavity.Another of expansion cavity hydrops generation is former because rejection causes oozing out due to the increase, not giving the processing section patient during this type of a small amount of hydrops can absorb voluntarily, recover normal gradually, and this type of expansion cavity hydrops of great majority will continue to exist as disregarding, very easily secondary infection has serious consequences.The treatment measures of expansion cavity hydrops are to have at present: the expansion cavity hydrops when topping up jug is external, when the outlet of water injection pipe skin is not tightly healed as yet, tiny tube for transfusion commonly used (transfusion of vein arteries and veins with pipe link to each other with syringe needle part) through water injection pipe skin exit extraction hydrops, washes with antibiotic saline again; And external water injection pipe skin exports closure or topping up jug and can only the expansion cavity hydrops be flowed out as skin incision when built-in, the incision of skin processing of single often takes effect very little, because persistence often takes place hydrops, severe patient is had to finally take out heeling-in and is gone into subcutaneous dilator.

In the prior art, dilator is implanted the back and is removed the very difficult usually enforcement of expansion cavity hydrops.Reason is as follows: the expansion cavity hydrops often betides postoperative after one week, and scalpel edge has healed or has been difficult to make its outflow by incision by modes such as overstocked or flushings near healing at this moment.Because expansion cavity has been implanted into skin dilator, can not extract hydrops with sharp property apparatus percutaneous such as syringes.In a single day the persistence hydrops takes place in the built-in patient of topping up jug, can only the expansion cavity hydrops be flowed out as skin incision, but unsuitable constant drainage, severe persistant expansion cavity hydrops has to dilator is taken out, cause the treatment failure, make patient and medical work personnel pay very big cost valency.The patient external to topping up jug extracts hydrops and washes expansion cavity though can enter the expansion capsule through water injection pipe skin exit by tiny tube for transfusion, and this process is often brought very big pain to patient, also easily causes that exogenous pollution causes infection simultaneously.And postoperative two most patients water injection pipe skin outlet contractions of having healed during week, tube for transfusion can't enter, and makes to the processing of expansion cavity hydrops very difficult.

[utility model content]

The purpose of this utility model is to provide a kind of skin dilator of being convenient to handle heeling-in postoperative hydrops, this skin dilator is because the existence of drawing liquid chamber and drawing liquid kettle, when skin dilator heeling-in postoperative expansion cavity hydrops takes place, only need with syringe by extracting hydrops by the drawing liquid kettle and getting final product with the flushing of antibiotic saline.This skin dilator technical scheme is simple, easy to operate.

The technical solution of the utility model can be expressed as: a kind of skin dilator comprises: an expansion capsule is the expansible airtight elastomeric bladder of energy several times; One water-injecting cavity is tubular housing, and its first end is connected with the expansion capsule, and second end is provided with a topping up jug; And a drawing liquid chamber, be tubular housing, be arranged side by side with described water-injecting cavity, it is outside and near the be communicated with place of expansion capsule with water-injecting cavity first end, second end is provided with a drawing liquid kettle that its first end is arranged at the expansion capsule.

Wherein, the port internal diameter of first end in described drawing liquid chamber is less than the cavity internal diameter in described drawing liquid chamber; Described drawing liquid chamber is provided with some apertures in the tube wall of nearly its first end port; Described some apertures are arranged at the nearly drawing liquid chamber first end port 2cm; Described some apertures are sieve shape aperture; Described topping up jug links to each other with the drawing liquid kettle but does not communicate; Described drawing liquid kettle and topping up jug respectively comprise an injection surface, and the injection surface outer wall of drawing liquid kettle is thinner than the injection surface outer wall of topping up jug; The injection surface outer wall of described drawing liquid kettle is than the thin 2mm of injection surface outer wall of topping up jug.

The beneficial effects of the utility model are, this skin dilator has solved the difficult problem that the concurrent hydrops of the built-in dilator of topping up jug can't extract and wash, in addition, reduce or remit the misery of bringing to patient when inserting liquid suction pipe when the external concurrent hydrops of injection kettle is handled and operated the pollution that brings, and when the no space of water injection pipe skin outlet healing contraction entered liquid suction pipe, this skin dilator had more advantage because of having two cavitys.Then directly inject normal saline from topping up jug during dilator water filling skin expansion and get final product, drawing liquid chamber and drawing liquid kettle do not influence dilator water filling expansion.Technical solutions of the utility model are simple, and are easy to operate, are convenient to be used in the medical treatment handling the hydrops of heeling-in postoperative.

[description of drawings]

Fig. 1 is the sketch map of this utility model skin dilator.

[specific embodiment]

Below in conjunction with embodiment and with reference to accompanying drawing the present invention is further described.

Referring to Fig. 1, be the sketch map of this utility model skin dilator.A kind of skin dilator comprises: expansion capsule 1, water-injecting cavity 2 and drawing liquid chamber 3.This expansion capsule 1 is the expansible airtight elastomeric bladder of energy several times, and is promptly inflatable behind the water-filling; Water-injecting cavity 2 is a tubular housing, and first end of water-injecting cavity 2 is connected with expansion capsule 1, and second end of water-injecting cavity 2 is provided with a topping up jug 4; Drawing liquid chamber 3 is a tubular housing, be arranged side by side with water-injecting cavity 2, it is outside and be communicated with place 7 near expansion capsule 1 and water-injecting cavity first end that first end in drawing liquid chamber 3 is arranged at expansion capsule 1, second end in drawing liquid chamber 3 is provided with a drawing liquid kettle 5, in this specific embodiment, drawing liquid kettle 5 is arranged on the outer end of topping up jug 4 around topping up jug section 6 by the drawing liquid chamber that links to each other with topping up jug 4 but do not communicate.

As preferred implementation, port 8 place's internal diameters of first end in drawing liquid chamber 3 are less than the internal diameter of the tubular housing in drawing liquid chamber 3, suck the inside cavity that impurity in the hydrops is jammed in drawing liquid chamber 3 to avoid port 8 places by first end in drawing liquid chamber 3.

In addition, drawing liquid chamber 3 is in also being provided with some sieve shape apertures 9 near on the tube wall of its first end port, the position that these sieve shape apertures 9 are arranged near drawing liquid chamber 3 first end ports, 8 2cm of place.When extracting hydrops, these sieve shape apertures 9 can make hydrops enter drawing liquid chamber 3 with the port 8 of first end in drawing liquid chamber 3.

Topping up jug 2 links to each other with drawing liquid kettle 3 but does not communicate; Wherein, drawing liquid kettle 5 comprises an

injection surface

5a, 4a respectively with topping up jug 4, and the injection surface 5a outer wall of drawing liquid kettle is thinner than the injection surface 4a outer wall of topping up jug, as preferred implementation, the injection surface 5a outer wall of drawing liquid kettle 5 is than the thin 2mm of injection surface 4a outer wall of topping up jug 4, so that the intersection of identification drawing liquid kettle 5 and topping up jug 4.

When skin dilator need be expanded water filling, available syringe carried out water filling by topping up jug 4, and water injects the back from topping up jug 4 and enters expansion capsule 1 by water-injecting cavity 2, thus expansion expansion capsule 1, with the intravital expansion cavity of expansion patient.When producing hydrops around the expansion capsule 1 that skin dilator implants, available syringe aspirates by drawing liquid kettle 5, and hydrops promptly enters drawing liquid kettle 5 by drawing liquid chamber 3 nearly expansion capsule 1 ports 8 and sieve shape aperture 9 through drawing liquid chamber 3 and is sucked out.When needing flushing patient body intramedullary expansion chamber, can be in patient's body injection of antibiotics saline, port 8 and sieve shape aperture 9 that this antibiotic saline is closely expanded capsule by drawing liquid kettle 5, drawing liquid chamber 3, drawing liquid chamber enter expansion cavity, antibiotic is aspirated out external through drawing liquid kettle 5 again, repeatedly for several times, play the effect of flushing expansion cavity.

The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from this utility model design; can also make some improvements and modifications, these improvements and modifications also should be considered as in the protection domain of the present utility model.

Claims

1, a kind of skin dilator is characterized in that, comprises:

One expansion capsule is the expansible airtight elastomeric bladder of energy several times;

One water-injecting cavity is tubular housing, and its first end is interconnected with the expansion capsule, and second end is provided with a topping up jug; And

One drawing liquid chamber is tubular housing, is arranged side by side with described water-injecting cavity, and its first end is arranged at expansion capsule outside and near the be communicated with place of expansion capsule with water-injecting cavity first end, second end is provided with a drawing liquid kettle.

2, skin dilator according to claim 1 is characterized in that, the port internal diameter of first end in described drawing liquid chamber is less than the cavity internal diameter in described drawing liquid chamber.

3, skin dilator according to claim 1 and 2 is characterized in that, described drawing liquid chamber is provided with some apertures in the tube wall of nearly its first end port.

4, skin dilator according to claim 3 is characterized in that, described some apertures are arranged at the nearly drawing liquid chamber first end port 2cm.

5, skin dilator according to claim 3 is characterized in that, described some apertures are sieve shape aperture.

6, skin dilator according to claim 1 is characterized in that, described topping up jug links to each other with the drawing liquid kettle but do not communicate.

7, skin dilator according to claim 6 is characterized in that, described drawing liquid kettle is arranged at described topping up jug outer end.

8, skin dilator according to claim 1 is characterized in that, described drawing liquid kettle and topping up jug respectively comprise an injection surface, and the injection surface outer wall of drawing liquid kettle is thinner than the injection surface outer wall of topping up jug.

9, skin dilator according to claim 7 is characterized in that, the injection surface outer wall of described drawing liquid kettle is than the thin 2mm of injection surface outer wall of topping up jug.