CN209789903U - disposable rubber sheet type multipurpose brain tissue measurement distractor - Google Patents

Abstract

The utility model discloses a disposable rubber sheet type multipurpose brain tissue measurement struts ware, strut the ware and include square film, the upper and lower relative curling formation sleeve of this square film forms bore adjustable operation passageway in arranging into the art chamber in, is equipped with the degree of depth scale on this sleeve. The utility model discloses a take the film of the dacron film base of scale, the art person curls the film and forms the operation passageway for the sleeve that can show the degree of depth forms in arranging the art chamber in, and the film form sleeve is placed and can be extended along with the expansion in art chamber behind the art chamber, and automatic subsides are applied on the brain tissue surface at working channel, form bore adjustable operation passageway, have avoided the size of the position control working channel pipe diameter of frequent adjustment retractor in the art person operation process. The utility model discloses a not only can be used to the brain tissue surface location before the micro-operation to measure, and can provide the multipurpose brain tissue measurement distraction ware that struts the operation passageway for the brain micro-operation.

Description

Disposable rubber sheet type multipurpose brain tissue measurement distractor

Technical Field

The utility model belongs to a medical appliance, relates to a spreader, in particular to a disposable rubber sheet type multipurpose brain tissue measurement spreader.

Background

Brain microsurgery needs the operation person to reach the operation position with the help of the operation passageway, makes operation field of vision and operation space obtain the guarantee, if do not place brain tissue retractor or strutting the device in this operation passageway, the brain tissue will elasticity inflation, and then closes this operation passageway, leads to the operation to accomplish smoothly. In addition, if the operator cannot perform positioning measurement on the surface of the brain tissue before operation to measure the opening of the operation area by several centimeters, the operator cannot know the operation depth by several centimeters during operation, which also brings difficulty to the operation.

Currently, there are 2 major classes of surgical access brain tissue distractors used in clinical brain microsurgery.

The first type is that a snake retractor (for example, produced by Shanghai gold bell surgical instrument factory) is used for fixing a brain pressing plate, and then the brain pressing plate is placed in a brain surgery channel to retract brain tissues. The technical defects of the technology are as follows: 1. the inability to provide measurement functionality; 2. the tilting tail end of the brain pressing plate can interfere the micro-operation of an operator or the entrance and exit of other surgical instruments into and out of the working channel; 3. the brain tissue is pressed by the brain pressing plate with high force, and the cutting effect is generated on normal brain tissue.

The second type is a disposable brain surgical retractor (e.g., Soviken Hippo Biotechnology Inc., Suzhou, patent No.: Utility model CN 201210530140.0)' which is composed of a plastic sleeve and a handle, wherein the sleeve is about 5cm deep and has scale marks inside. The technical defects of the technology are as follows: 1. the size and the depth of the opening of the product are fixed, the application range is small, if the operation channel is larger than or smaller than the opening of the product in the actual microsurgery, the product cannot be used, and if the operation channel is deeper than or shallower than the fixed depth of the product in the actual microsurgery, the product cannot be used; 2. the product can only provide depth measurement in an operation channel in an operation, and can not provide positioning measurement on the surface of the brain tissue before the operation; 3. the product is made by using a fixed mould, has a single shape, and can not automatically expand and prop open brain tissues in an operation area along with the enlargement of an operation cavity of an operator.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a brain tissue surface location is measured before not only can being used to the micro-operation, and can provide the multipurpose brain tissue measurement struts ware that struts the operation passageway for the micro-operation of brain.

In order to realize the purpose, the utility model discloses the technical scheme who takes is: the spreader comprises a square film, the upper side and the lower side of the square film are relatively curled to form a sleeve which is arranged in the operation cavity to form an operation channel with adjustable caliber, and a depth scale is arranged on the sleeve.

The film packaging device is characterized by further comprising a limiting seat, wherein a round hole is formed in the middle of the limiting seat, and the upper edge and the lower edge of the square film are oppositely curled to form a head end of a sleeve to be fixed in the round hole.

The length scale is distributed on the film, and the upper side and the lower side of the square film are relatively curled into sleeves, and the length scale is used as a telescopic depth scale.

And the two sides of the round hole of the limiting seat are respectively provided with a holding handle.

The lower edge of the round hole is provided with a protruding ring with the same aperture as the round hole, and the upper edge and the lower edge of the square film are relatively curled to form the head end of the sleeve to be positioned in the protruding ring.

The limiting seat, the holding handle and the protruding ring are integrally formed by rubber.

The upper side and the lower side of the square film are marked with corresponding trimming alignment mark lines.

The square film is a terylene film base film.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. The utility model discloses a take the film of the dacron film base of scale, the art person curls the film and forms the operation passageway for the sleeve that can show the degree of depth forms in arranging the art chamber in, and the film form sleeve is placed and can be extended along with the expansion in art chamber behind the art chamber, and automatic subsides are applied on the brain tissue surface at working channel, form bore adjustable operation passageway, have avoided the size of the position control working channel pipe diameter of frequent adjustment retractor in the art person operation process. Compared with the existing stainless steel brain pressing plate and hard plastic brain retractor, the brain tissue measuring distractor made of the film material has the advantages that the 'cutting effect' of the brain tissue is small due to the soft material; the uncrimped film is convenient for an operator to paste on the surface of the brain tissue for positioning and measuring the size before the microsurgery operation is started, so that the size of the opening is convenient to design; the operator can trim the film according to the width and the depth of the operation cavity, so that the film curled into the sleeve can be better applied to the brain tissue when being placed in the operation cavity.

2. The utility model discloses a film and a restriction seat of taking the round hole of dacron film base constitute, will take the restriction seat cover of round hole at the sleeve head end that curls, play the effect that restriction film sleeve elasticity was extended, can strut the quick formation operation passageway for brain microsurgery, provide a stable operation field of vision for the operator of brain microsurgery.

3. The utility model discloses it has the length scale to distribute on the film, and the film curls and forms behind the sleeve, and the scale is visible from the film is inside, and this scale mark makes things convenient for the art person microscope to determine the pathological change position degree of depth when operating down.

4. The matched limiting seat with the handle of the utility model can be convenient for the operator to adjust the position of the limiting seat by the handle according to the requirement of the operator, and the limiting seat is sleeved at the head end of the film sleeve.

5. the utility model discloses the lower edge of round hole is equipped with the protrusion circle that matches with this round hole aperture, and telescopic head end is located this circle increased with telescopic area of contact, plays the effect that restriction film sleeve elasticity is extended, keeps working channel stable in the operation process.

6. The utility model discloses restriction seat, handle, protrusion circle adopt rubber integrated into one piece, the processing of being convenient for, low in production cost.

7. The utility model discloses a make things convenient for art person to prune the film, the upper and lower border of film has the pruning alignment marking that 4 correspond for the reason is neat, straight when art person prunes the film. The plurality of trimming alignment mark lines can facilitate the operator to trim the film according to the width and the depth of the operation cavity, the working channel can be changed along with the change of the depth and the width of the operation cavity, the invalid part is prevented from interfering the operation of the operator or other surgical instruments to enter and exit the working channel when the brain tissue is retracted, the purpose that the opening size and the working depth can be adjusted according to the size of the actual operation cavity is achieved, and the application range is wide.

8. Square film is dacron film base film, and the art person curls and places behind the sleeve structure of various suitable opening sizes and is convenient for form bore adjustable operation passageway according to the automatic exhibition of art chamber size in the art intracavity.

Drawings

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

FIG. 2 is a schematic side view of a portion of a film according to the present invention;

FIG. 3 is a front view of the rubber ring sleeve with a handle of the present invention;

FIG. 4 is a schematic side view of the rubber ring sleeve with a handle according to the present invention.

In the figure: 1. a film; 2. trimming and aligning the marking lines; 3. a rubber ring sleeve with a groove; 4. and (4) holding the handle.

Detailed Description

The invention will be further explained and explained with reference to the drawings;

As shown in fig. 1 and 2, a disposable multi-purpose brain tissue measurement dilator in the shape of a sheet, the sheet: refers to a polyester film base made of materials similar to CT films. The surgical operation instrument is a square polyester film base film 1 which can be automatically curled into a sleeve shape by a surgeon, the upper side and the lower side of the film 1 are relatively curled to form a sleeve, the sleeve is placed in an operation cavity and is pasted on the surface of brain tissue, and the sleeve automatically stretches and expands to form an operation channel matched with the caliber of the operation cavity along with the change of the size of the operation cavity. The upper and lower border of film has the pruning alignment marking 2 that corresponds, and distributes on the film and have the length scale, and the upper and lower border curls relatively for this length scale of sleeve as telescopic degree of depth scale on the film.

As shown in fig. 3, the limiting device further comprises a limiting seat, a round hole is formed in the middle of the limiting seat, the upper edge and the lower edge of the film are relatively curled to form a sleeve, the head end of the sleeve is fixed in the round hole, handles are respectively arranged on two sides of the round hole of the limiting seat, as shown in fig. 4, a protruding ring which is equivalent to the aperture of the round hole is arranged on the lower edge of the round hole, the head end of the film which is relatively curled to form the sleeve is located in the protruding ring, and the limiting seat, the handles 4 and the protruding ring are integrally formed into a rubber ferrule 3 with a handle holding groove through rubber processing, and are used for being mounted on.

The film is sterilized by ethylene oxide and then is packaged, and the package can be opened for direct use in operation. The square film is made of transparent polyester film base, the thickness is about 2mm, and the square film is used for being conveniently pasted on the surface of brain tissue for positioning measurement in an operation, and is convenient for an operator to curl into sleeve structures with various proper opening sizes and then place in an operation cavity to play a role in propping open the brain tissue. During the use, prune the film by the art person by oneself according to art chamber degree of depth, then curl and be the cover barrel-shaped, place in art chamber, but utilize the effect that the film curls back automatic elasticity is extended, the film sleeve is spread along with the expansion automation of art chamber among the operation process and is applied on the brain tissue surface of working channel, the sleeve bore changes according to art chamber size, form bore adjustable working channel, it frequently goes to adjust telescopic pipe diameter size to need not the art person, thereby avoided the finished product that fixed mould made to place the condition that can not match with art chamber big or little in art chamber. The film curled into the sleeve can provide stable operation space, and can automatically unfold and stick on the surface of the brain tissue of the working channel along with the expansion of the operation cavity, and one film can meet the completion of the whole operation of the operation. If the operator does not need to use the elastic stretching characteristic of the film, the stability of the space of the sleeve is required to be kept, the groove rubber ring with the holding handle is sleeved at the head end of the film sleeve, the effect of limiting the elastic stretching of the film sleeve is achieved, and a stable working channel is formed. The ferrule groove depth of the rubber ferrule with the handle holding groove is about 6mm, the width is about 4cm, the opening is hollow, an operator clamps the curled film sleeve in the ferrule groove, the working channel is stable in the operation process, the two handles are used for adjusting the position of the film sleeve, and the sleeve can keep the center of gravity balance due to the symmetrical arrangement.

Above-mentioned art person can prune the film according to the width in art chamber, degree of depth by oneself in the art, makes to curl and places the brain tissue that can be better in the art chamber for telescopic film, for making things convenient for the accurate film of pruning of art person, has designed each 4 length 1 cm's pruning alignment marking respectively on the film, below for prune the film when the edge neat, straight. The length scales distributed on the square film are 4 equal in number and 8cm in length, are used for being pasted on the surface of brain tissue in an operation to carry out positioning measurement, and can also be used for determining the depth of a lesion part when an operator operates under a microscope after rolling into a sleeve structure.

Claims (7)

1. A disposable rubber sheet-shaped multipurpose brain tissue measurement spreader is characterized in that: the spreader comprises a square film, the upper side and the lower side of the square film are relatively curled to form a sleeve which is arranged in the operation cavity to form an operation channel with an adjustable caliber, the sleeve is provided with a depth scale, and the square film is a polyester film base film.

2. The disposable multi-purpose dilator for measuring brain tissue in sheet form according to claim 1, wherein: the film packaging device is characterized by further comprising a limiting seat, wherein a round hole is formed in the middle of the limiting seat, and the upper edge and the lower edge of the square film are oppositely curled to form a head end of a sleeve to be fixed in the round hole.

3. the disposable, multi-purpose, gel-like brain tissue measurement distractor of claim 1 or 2, wherein: the film is distributed with a length scale, and the upper and lower edges of the square film are relatively curled into a sleeve, and the length scale is the depth scale.

4. The disposable multi-purpose dilator for measuring brain tissue in sheet form according to claim 2, wherein: the two sides of the round hole of the limiting seat are respectively provided with a holding handle.

5. The disposable multi-purpose dilator for measuring brain tissue in sheet form according to claim 4, wherein: the lower edge of the round hole is provided with a protruding ring with the same aperture as the round hole, and the upper edge and the lower edge of the square film are relatively curled to form the head end of the sleeve to be positioned in the protruding ring.

6. The disposable multi-purpose dilator for measuring brain tissue in sheet form according to claim 5, wherein: the limiting seat, the holding handle and the protruding ring are integrally formed by rubber.

7. the disposable multi-purpose dilator for measuring brain tissue according to claim 1, 2, 4, 5 or 6, wherein: the upper and lower edges of the square film are marked with corresponding trimming alignment mark lines.