CN111956280A - Medical surgical soft tissue expander - Google Patents

Abstract

The invention discloses a medical surgical soft tissue expander which comprises a first side tube, a second side tube, a central tube, an outer sleeve and an expanding bag body, wherein a rubber interface is fixed at one end of the expanding bag body, the outer sleeve is movably inserted into the rubber interface, the central tube is glued at the middle position of the inner wall of the outer sleeve, rear circulation ports are symmetrically formed in the outer sleeve and are communicated with the central tube, the first side tube is glued at one side of the inner wall of the outer sleeve, front circulation ports are symmetrically formed in the outer sleeve and are communicated with the first side tube, the second side tube is glued at the other side of the inner wall of the outer sleeve, a middle circulation port is symmetrically formed in the outer sleeve and is communicated with the second side tube. The invention has compact structure and convenient use, ensures that the expansion bag expands uniformly during injection use, and meets the use requirements of personnel.

Description

Medical surgical soft tissue expander

Technical Field

The invention relates to the technical field of soft tissue expansion, in particular to a medical surgical soft tissue expander.

Background

The dilator is an advanced treatment method specially used in plastic surgery, and the principle of the dilator is that a skin soft tissue dilator is implanted under normal skin soft tissue near pathological changes, the capacity of the dilator is increased by injecting liquid into a dilation bag discontinuously, so that the dilator generates pressure on the surface skin soft tissue, the division and proliferation of tissues and epidermal cells and the cell gaps are enlarged by the local action of a dilation mechanism, so that the skin area is increased, after the dilation bag is taken out, the newly-increased skin soft tissue can be used for tissue repair and organ reconstruction, and the clinically-applied dilator mainly comprises a controllable dilator made of a silicon rubber material, and an dilation bag, an injection seat and a connecting catheter.

Except that the defect with a small area can be expanded by immediate water injection in the operation, the water injection into the expansion capsule is carried out after the first-stage operation incision is completely healed under most conditions, the expansion liquid is mostly normal saline, special expansion liquid (medicines are added into the normal saline) can be prepared, and the water injection mode has three expansion modes of fast expansion, slow expansion and sub-speed expansion, so that the slow expansion effect is good, the advantages of exact expansion effect and less skin retraction.

Because the elastic resistance of skin, when injecting the extension liquid, the expansion bag far away from the injection port is easily pressed by the skin in the use process of the traditional expander, so that the phenomenon of uneven expansion of the expansion bag can occur, and the use requirement of personnel can not be met.

Disclosure of Invention

The invention aims to provide a medical surgical soft tissue dilator, which has the advantages of compact structure and convenience in use, ensures that a dilating sac can be uniformly dilated during injection, meets the use requirements of personnel, and solves the problems that the dilating sac far away from an injection port is easily pressed by skin during injection of a dilating liquid due to the elastic resistance of the skin in the use process of the traditional dilator, so that the dilating sac can be unevenly dilated, and the use requirements of the personnel cannot be met.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a medical surgery soft tissue expander, includes first side pipe, second side pipe, center tube, outer tube and expansion utricule, the one end of expansion utricule is fixed with the rubber interface, the outer tube activity is pegged graft in the rubber interface, and the inner wall intermediate position department veneer of outer tube has the center tube, and the back circulation mouth has been seted up to the symmetry on the outer tube, and back circulation mouth communicates with the center tube each other, and the inner wall one side veneer of outer tube has first side pipe, and preceding circulation mouth has been seted up to the symmetry on the outer tube, preceding circulation mouth communicates with first side pipe each other, and the inner wall opposite side veneer of outer tube has the second side pipe, and the well circulation mouth has been seted up to the symmetry on the outer tube, well circulation.

Preferably, a sealing rubber pad is glued at the connecting position of the rubber interface and the outer sleeve.

Preferably, the front circulation port corresponds to the front position of the inner wall of the expansion bag body, the middle circulation port corresponds to the middle position of the inner wall of the expansion bag body, and the rear circulation port corresponds to the rear position of the inner wall of the expansion bag body.

Preferably, one ends of the first side tube, the second side tube and the central tube, which are far away from the expansion balloon, are respectively provided with a one-way valve.

Preferably, the expansion capsule body is made of elastic polymer materials such as silicon rubber and polyurethane.

Preferably, the end of the expansion capsule body, which is away from the rubber interface, is fixed with a fixed press ring, and the fixed press ring is provided with a through hole.

Preferably, the check valve is fixed with three injection connectors, and the three injection connectors respectively correspond to the first side pipe, the second side pipe and the central pipe.

Preferably, one end of the outer sleeve penetrates through the rubber interface and extends into the bottom end of the inner wall of the expansion capsule body.

Compared with the prior art, the invention has the following beneficial effects:

1. when the medical surgical soft tissue expander is used, after the device is pre-buried below human soft tissue, expanding liquid can be injected into the central tube, the first side tube and the second side tube through the injection connectors respectively, through the design of the length of the three tubes, the central tube sends the expanding liquid to the inner rear part of the expanding capsule body and flows out from the rear circulation port, the second side tube sends the expanding liquid to the inner middle position of the expanding capsule body and flows out from the middle circulation port, the first side tube sends the expanding liquid to the inner front part of the expanding capsule body and flows out from the front circulation port, and the injection dosage of each tube is controlled, so that the expanding capsule body can be expanded uniformly.

2. When the medical surgical soft tissue expander is used, the expanding liquid can be effectively prevented from flowing backwards through the design of the one-way valve.

3. When the medical surgical soft tissue expander is used, the expanding capsule body is made of elastic polymer materials such as silicon rubber and polyurethane through the limitation of the expanding capsule body material and the design of the rubber interface, so that the expanding capsule body has great extensibility, and the sealing rubber pad is glued at the connecting position of the rubber interface and the outer sleeve, so that the sealing performance of the device is ensured.

4. When the medical surgical soft tissue expander is used, the outer sleeve can mutually restrict the positions of the first side tube, the central tube and the second side tube to form a whole through the design of the outer sleeve, so that the pipeline is effectively prevented from deviating in the capsule body, the use is convenient, the structure of the device is compact, the use is convenient, the expansion of the expansion capsule is ensured to be uniform during injection, and the use requirements of personnel are met.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the outer sleeve structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

FIG. 4 is a schematic structural diagram of A in FIG. 1 according to the present invention.

In the figure: 1. a first side tube; 2. a front circulation port; 3. a second side tube; 4. a central tube; 5. a rear flow port; 6. fixing the compression ring; 7. an outer sleeve; 8. a middle circulation port; 9. expanding the balloon; 10. a rubber interface; 11. an injection fitting; 12. a one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an embodiment of the present invention includes: the utility model provides a medical surgery soft tissue expander, includesfirst side pipe 1,second side pipe 3,center tube 4,outer tube 7 andexpansion utricule 9, andexpansion utricule 9 adopts elastic polymer materials such as silicon rubber, polyurethane to make, and the one end ofexpansion utricule 9 is fixed withrubber interface 10, and the one end that theexpansion utricule 9 deviates fromrubber interface 10 is fixed withclamping ring 6, has seted up the perforation onclamping ring 6, the fixed position of expanding the utricule of being convenient for.

Theouter sleeve 7 is movably inserted in therubber interface 10, one end of theouter sleeve 7 penetrates through therubber interface 10 and extends into the bottom end of the inner wall of theexpansion capsule body 9, and a sealing rubber pad is glued at the connecting position of therubber interface 10 and theouter sleeve 7, so that the sealing performance of the device is ensured.

The department veneer of the inner wall intermediate position ofouter tube 7 hascenter tube 4,rear flow opening 5 has been seted up to the symmetry onouter tube 7, rear flow opening 5 communicates withcenter tube 4 each other, and inner wall one side veneer ofouter tube 7 hasfirst side pipe 1,flow opening 2 before the symmetry has been seted up onouter tube 7, preceding flow opening 2 communicates withfirst side pipe 1 each other, and the inner wall opposite side veneer ofouter tube 7 hassecond side pipe 3, mesolow opening 8 has been seted up to the symmetry onouter tube 7, mesolow opening 8 communicates withsecond side pipe 3 each other.

One end of theexpansion capsule body 9 is far away from thefirst side pipe 1, thesecond side pipe 3 and thecentral pipe 4, a one-way valve 12 is installed, aninjection joint 11 is fixed on the one-way valve 12, the number of theinjection joints 11 is three, the threeinjection joints 11 correspond to thefirst side pipe 1, thesecond side pipe 3 and thecentral pipe 4 respectively, and the expansion liquid can be effectively prevented from flowing backwards through the design of the one-way valve 12.

When the device is pre-buried in human soft tissue below,accessible injection joint 11 is injected the inflation liquid respectively incentral tube 4,first side pipe 1, thesecond side pipe 3.

Precedingcirculation port 2 corresponds the inner wall front position department ofexpansion utricule 9,well circulation port 8 corresponds the inner wall intermediate position department ofexpansion utricule 9, the inner wall rear position department thatback circulation port 5 correspondsexpansion utricule 9, design through three pipeline length, the inside rear thatcenter tube 4 will expand liquid and sendexpansion utricule 9 flows out fromback circulation port 5,second side pipe 3 will expand liquid and send expansion liquid to the inside intermediate position department ofexpansion utricule 9 and flow out fromwell circulation port 8,first side pipe 1 will expand liquid and send expansion liquid to the inside the place ahead ofexpansion utricule 9 and flow out from precedingcirculation port 2, the injection dosage of every pipeline of control, can be so thatexpansion utricule 9 expands evenly, compact structure, it is convenient to use, ensure that the expansion utricule expands evenly when the injection is used, satisfy personnel's user demand.

The working principle is as follows: when the medical surgical soft tissue dilator is used, after the device is pre-buried below human soft tissue, the expanding liquid can be respectively injected into thecentral tube 4, thefirst side tube 1 and thesecond side tube 3 through theinjection connector 11, through the design of the length of three pipelines, thecentral tube 4 sends the expanding liquid to the rear part inside the expandingcapsule 9 and flows out from therear circulation port 5, thesecond side tube 3 sends the expanding liquid to the middle position inside the expandingcapsule 9 and flows out from themiddle circulation port 8, thefirst side tube 1 sends the expanding liquid to the front part inside the expandingcapsule 9 and flows out from thefront circulation port 2, the injection dosage of each pipeline is controlled, and the expandingcapsule 9 can be uniformly expanded.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a medical surgery soft tissue expander, includes first side pipe (1), second side pipe (3), center tube (4), outer tube (7) and expansion utricule (9), its characterized in that: the one end of expansion utricule (9) is fixed with rubber interface (10), outer tube (7) activity is pegged graft in rubber interface (10), the inner wall intermediate position department veneer of outer tube (7) has center tube (4), back circulation mouth (5) have been seted up to symmetry on outer tube (7), back circulation mouth (5) and center tube (4) communicate with each other, and inner wall one side veneer of outer tube (7) has first side pipe (1), preceding circulation mouth (2) have been seted up to the symmetry on outer tube (7), preceding circulation mouth (2) and first side pipe (1) communicate with each other, and the inner wall opposite side veneer of outer tube (7) has second side pipe (3), well circulation mouth (8) have been seted up to the symmetry on outer tube (7), well circulation mouth (8) and second side pipe (3) communicate with each other.

2. The medical surgical soft tissue expander of claim 1, wherein: and a sealing rubber pad is glued at the connecting position of the rubber interface (10) and the outer sleeve (7).

3. The medical surgical soft tissue expander of claim 1, wherein: preceding circulation opening (2) correspond the inner wall front position department of expansion utricule (9), well circulation opening (8) correspond the inner wall intermediate position department of expansion utricule (9), and back circulation opening (5) correspond the inner wall rear position department of expansion utricule (9).

4. The medical surgical soft tissue expander of claim 1, wherein: one ends of the first side pipe (1), the second side pipe (3) and the central pipe (4) far away from the expansion balloon (9) are respectively provided with a one-way valve (12).

5. The medical surgical soft tissue expander of claim 1, wherein: the expansion capsule body (9) is made of elastic polymer materials such as silicon rubber and polyurethane.

6. The medical surgical soft tissue expander of claim 1, wherein: one end of the expansion capsule body (9) departing from the rubber interface (10) is fixed with a fixed press ring (6), and the fixed press ring (6) is provided with a through hole.

7. The medical surgical soft tissue expander of claim 1, wherein: and the three injection joints (11) are fixed on the one-way valve (12), and the three injection joints (11) respectively correspond to the first side pipe (1), the second side pipe (3) and the central pipe (4).

8. The medical surgical soft tissue expander of claim 1, wherein: one end of the outer sleeve (7) penetrates through the rubber interface (10) and extends into the bottom end of the inner wall of the expansion capsule body (9).

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