CN205234759U - A surgical instrument for restoring and keep apart iris - Google Patents

Abstract

The utility model discloses a surgical instrument for restoring and keep apart iris, including a separation portion, the 2nd separation portion, control part and connecting portion, a control part control separation portion and the 2nd separation portion open and are closed, fixed separation portion of connecting portion and the 2nd separation portion, a separation portion and the 2nd separation portion are used for restoring and keep apart the iris. Adopt the utility model provides a surgical instrument for restoring and keep apart iris adjusts through the dynamics of first slab of lever principle control and second slab that to make win flabellum and second flabellum open the angle controllable, and first flabellum and second flabellum coordinate restores in the former wife who has died and keep apart the iris.

Description

A kind of for reduction and isolate the surgical instrument of iris

Technical field

The utility model relates to medical instruments field, relates in particular to a kind of for reduction and isolate the surgical instrument of iris.

Background technology

Cornea penetrating wound is the common acute injury of ophthalmology, and the processing of row debridement and suturing, to avoid it as early as possibleHis secondary arthritis, severe patient may cause blind. And many with iridoptosis, incarceration when corneal cracking,And have the problems such as anterior chamber shoals, not only the debridement and suturing of corneal wound causes inconvenience, easily causes rainbowThe further damage of film and cornea, even has iris and is sutured in by incarceration the risk of wound.

When corneal cracking because of iris attach or incarceration in cornea, even deviate from, cause operative space narrow,Operating difficulty increase even occurs to stitch iris by mistake or iris incarceration is adhered to corneal suture mouth. Current routineModus operandi is still again to carry out whole to iris after viscoelastic agent anterior chamber injection-reduction iris-difficult stitching corneaBe main again, often cannot obtain desirable surgical effect. Chinese patent CN203763350U discloses a kind of resistanceThe barrier film of iridoptosis only, by with the capable iris diaphragm of the T-shaped barrier film of film-form from modus operandi, in the pastOn basis, there is larger change, but existed iris diaphragm from failure for the larger case of some rear portion extruding forcesPossibility.

Utility model content

In view of this, it is a kind of for reduction and isolate the surgical instrument of iris that the utility model provides, and solvesWhen rear portion pressure is larger, still can maintain the clearance space that operation is necessary, reduce operating difficulty, reduce complication and send outRaw.

The technological means that the utility model adopts is as follows: a kind of for reduction and isolate the surgical instrument of iris,Comprise the first isolation part, the second isolation part, control part and connecting portion, control part control the first isolation part andThe opening and closing of two isolation parts; Connecting portion is fixed the first isolation part and the second isolation part; The first isolation part andThe second isolation part is used for coordinating reduction and isolation iris.

Preferably, the first isolation part is straight type shape, comprises the first flabellum, head rod and the first plate,The first flabellum, head rod and the first plate are connected successively, and the second isolation part is Z-type shape, comprises secondFlabellum, the second connecting rod and the second plate, the second flabellum, the second connecting rod and the second plate are connected successively.

Preferably, the first flabellum is identical with the second flabellum shape, and the surface of the first flabellum and the second flabellum is softProperty coating.

Preferably, control part comprises inner sleeve, spring, outer tube and switch, and inner sleeve and the second plate connectConnect, outer tube is connected with the first plate, and spring runs through inner sleeve and outer tube, and switch is located at inner sleeve and outerSleeve pipe junction.

Preferably, connecting portion comprises two disks and securing member, and two disks and securing member are fixed firstConnecting rod and the second connecting rod.

Preferably, the first flabellum and the second flabellum are all selected rigid transparent material.

Adopt provided by the utility model a kind ofly for reduction and isolate the surgical instrument of iris, pass through leverThe dynamics of principle control the first plate and the second plate regulates and makes the first flabellum and the second flabellum opening angle canControl, the first flabellum and the second flabellum are engaged in anterior chamber and carry out reduction and isolate iris.

Further, light blue transparent flabellum design can provide effective identification, and space hierarchy is strong, and can be straightDepending on the iris situation under spacer assembly, strengthen operation safety.

Further, of the present utility model a kind of be disposable making for reduction the surgical instrument of isolating irisWith medicine equipment, cheap, easy-to-use safety.

Brief description of the drawings

Fig. 1 is of the present utility model a kind of for reduction and isolate the structural representation of the surgical instrument of irisFigure;

Fig. 2 is of the present utility model a kind of for reduction and isolate the surgical effect of the surgical instrument of irisFigure.

Detailed description of the invention

Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example is only for separatingRelease the utility model, be not intended to limit scope of the present utility model.

Please refer to Fig. 1 and Fig. 2, a kind of for reduction and isolate the surgical instrument of iris, comprise first everyFrom portion 1, the second isolation part 2, control part 3 and connecting portion 4, control part 3 is for controlling the first isolation part1 and the opening and closing of the second isolation part 2; Connecting portion 4 for fix the first isolation part 1 and second everyFrom portion 2; The first isolation part 1 and the second isolation part 2 are for overlapping and separately.

The first isolation part 1 is straight type shape, comprises the first flabellum 11, head rod 12 and the first plate13, the first flabellums 11, head rod 12 and the first plate 13 are connected successively, and the second isolation part 2 isZ-type shape, comprises the second flabellum 21, the second connecting rod 22 and the second plate 23, the second flabellums 21,Two connecting rods 22 are connected successively with the second plate 23.

Wherein the first flabellum 11 is identical with the second flabellum 12 shapes, by light blue, transparent, nontoxic,Hard polymeric material is made, length 8-9mm, wide 2.2mm, thickness 0.2mm, the round and smooth arc design in edge;Upper and lower surface after overlapping is done colourless, soft polymerization material coating processing, the first flabellum 11 and the second flabellum12 surfaces are soft coating, can alleviate as much as possible the damage to eye inner tissue. Thickness 0.1mm; FirstWhen flabellum 11 and the second flabellum 12 are overlapping, for reduction iris, when separation, isolate iris.

The first plate 13 and the second plate 23 are oval handle design, major axis 30mm, and minor axis 15mm,Thickness 2mm. The length of head rod and the second connecting rod is 35mm, wide 1mm, thick 0.2mm, edgeRound and smooth design.

Connecting portion 4 comprises two disks 41 and securing member 42, and securing member 42 is rivet, two disks 41Be fixed head rod 12 and the second connecting rod 22 with securing member 42. The diameter 2.5mm of disk 41,Thickness 0.2mm.

Control part 3 comprises inner sleeve 31, spring 32, outer tube 33 and switch 34, inner sleeve 31 withThe second plate 23 connects, and outer tube 33 is connected with the first plate 13, and spring 32 runs through inner sleeve 31With outer tube 33, switch 34 is located at the junction of inner sleeve 31 and outer tube 33, for preventing firstFlabellum 11 and the second flabellum 12 automatically spring open when overlapping.

The wherein external diameter 5.5mm of outer tube 33, internal diameter 5mm, the external diameter 4.5mm of inner sleeve 31, internal diameter4mm。

What use the present embodiment a kind ofly carries out operation technique flow process for reduction the surgical instrument of isolating irisFor:

1. make corneal limbus 2.2mm flaggy tunnel incision from being parallel or nearly parallel to cornea breach 5 directions;

2. in anterior chamber, inject viscoelastic agent from cornea breach and cornea tunnel face respectively, cornea and iris are dividedFrom;

3. clutch the first plate 13 and the second plate 23, the first flabellum 11 and the second flabellum 12 overlapped,Reduction iris tissue;

4. in reduction process, see through transparent flabellum observable iris tissue situation, and move gradually pine with reduction and hold, open vane device, play the effect of iris tissue isolation, create operative space;

5. sew up cornea wound and reach watertight, direct-view lower coincidence the first flabellum 11 and the second flabellum 12 (preventIris clamping), exit anterior chamber from cornea tunnel;

6. rinse anterior chamber's viscoelastic agent, art finishes.

Adopt provided by the utility model a kind ofly for reduction and isolate the surgical instrument of iris, pass through thick stickRod principle, regulates and makes the first flabellum 11 and the by controlling the first plate 13 and the second plate 23 dynamicsTwo flabellum 12 opening angles are controlled, and the first flabellum 11 and the second flabellum 12 are engaged in and in anterior chamber, carry out reductionWith isolation iris. And light blue transparent flabellum design can provide effective identification, and space hierarchy is strong, and energyIris situation under direct-view spacer assembly, strengthens operation safety.

Of the present utility model a kind of for reduction and isolate the surgical instrument of iris and for disposable use medical treatmentApparatus, cheap, easy-to-use safety.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model,All within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc.,Within all should being included in the scope of the utility model protection.

Claims (6)

1. for reduction and isolate the surgical instrument of iris, it is characterized in that: comprise the first isolation part,The second isolation part, control part and connecting portion, control part control the first isolation part and the second isolation part open andClosed; Connecting portion is fixed the first isolation part and the second isolation part; The first isolation part and the second isolation part are used for joiningClose reduction and isolation iris.

2. according to claim 1 a kind of for reduction and isolate the surgical instrument of iris, its feature existsIn: described the first isolation part is straight type shape, comprises the first flabellum, head rod and the first plate, firstFlabellum, head rod and the first plate are connected successively, and the second isolation part is Z-type shape, comprise the second flabellum,The second connecting rod and the second plate, the second flabellum, the second connecting rod and the second plate are connected successively.

3. according to claim 2 a kind of for reduction and isolate the surgical instrument of iris, its feature existsIn: described the first flabellum is identical with the second flabellum shape, and the surface of the first flabellum and the second flabellum is soft paintingLayer.

4. according to claim 2 a kind of for reduction and isolate the surgical instrument of iris, its feature existsIn: described control part comprises inner sleeve, spring, outer tube and switch, and inner sleeve is connected with the second plate,Outer tube is connected with the first plate, and spring runs through inner sleeve and outer tube, and switch is located at inner sleeve and outer tubeJunction.

5. according to claim 2 a kind of for reduction and isolate the surgical instrument of iris, its feature existsIn: described connecting portion comprises two disks and securing member, and two disks and securing member are fixed the first connectionBar and the second connecting rod.

According to a kind of described in claim 1-5 any one for reduction and isolate the surgical instrument of iris,It is characterized in that: described the first flabellum and the second flabellum are all selected rigid transparent material.