CN208770074U - Skull repairing is with blocking multiple piece after a kind of basis cranii Minimally Invasive Surgery - Google Patents

Abstract

The utility model relates to skull repairings after a kind of basis cranii Minimally Invasive Surgery with multiple piece is blocked, and answer piece ontology including card and card is arranged in and answer clamping part on piece ontology, piece ontology is the arch Elliptic Thin Plates with physiology curvature to card again；Clamping part is arranged in card and answers at the center on piece ontology convex surface.Before provided by the utility model, the card of the dedicated reparation of mesocrany bottom small pieces bone defect answer piece, using PEEK high molecular material, formed by mechanical or injection molding；Using ultra-thin design, match with skull defeci shape, it is good with the surrounding structure goodness of fit, certain intensity had both been maintained, has prevented the increased intracranial pressure of postoperative burst from patch being caused to fall off, and maintain certain elasticity, has made to be easy to moulding operation when placing.The direct inlay card in its edge can be played fixed function by the design of thin layer between endocranium and skull, not have to other fixed device auxiliary.Avoid postoperative generation leakage of cerebrospinal, brain tissue hernia out and the generation for the complication such as eyeball is beaten.

Description

Skull repairing is with blocking multiple piece after a kind of basis cranii Minimally Invasive Surgery

Technical field

The utility model belongs to medical equipment technical field, and in particular to skull repairing after a kind of basis cranii Minimally Invasive Surgery Piece is answered with card.

Background technique

With the development of micro-operative technique, more and more neurosurgeries and it is otorhinolaryngologic be located at before, mesocrany bottom it is attached Close tumour and lesion, such as each portion's meningioma of preceding basis cranii, saddle area hypophysoma, craniopharyngioma, various tumours and leakage of cerebrospinal disease Become, under the auxiliary of microscope or nerve endoscope, by do not damage face, wound is lesser, approach is shorter, and pass through nature The oral of cavity, nose, sieve, butterfly or lockhole carry out removal of lesions through volume, in addition to shortening operating time, and substantially increase operation effect Fruit is just widely carried out.

It is common after the excision of the lesions such as the area butterfly approach Hang An hypophysoma, craniopharyngioma, the skull at Chang Liuyou saddle bottom lacks Damage；There are the skull defecis of sieve plate often for the excision of preceding skull base meningiomas or leakage of cerebrospinal repairing through sieving.Most surgeon's knots Be before beam this skull defeci is blocked with soft material, including use gelfoam, hemostatic gauze, fat, muscle, fascia, The materials such as mucosal flap, artificial meninx, biological or chemical glue, above-mentioned tissue have the possibility being absorbed by the body over time；Cause No strong bracket support is often rushed to open in certain unexpected increased intracranial pressure and cerebrospinal fluid is caused to leak outside or be complicated by infection. Minority operation with hard material blocks this bone defect before terminating, including bony septum of nose, titanium net, bone cement, ilium trim piece Equal materials.The postoperative easy cause bridge of the nose of bony septum of nose defect stays or perforation of nasal septum, titanium net are difficult to trim and easily stab group around It knits, bone cement moulding is poor and accounts for volume, takes ilium wound big.So in preceding, mesocrany bottom Minimally Invasive Surgery amount rapidly increased today, This key technology step is still without effective measures.

Chinese invention patent 201710153409.0 discloses a kind of Anatomical Reconstruction skull patch, by degradable biological hardness Material is made up of 3D printing, although degradation can be hydrolyzed in the skull patch, and is removed by natural way, and can be with It directly according to patient's defect molding making, but can be absorbed by the body, be easy to fall off after absorption over time；Because nothing has The bracket of power supports, poor flexibility, is often rushed to open in certain unexpected increased intracranial pressure and cerebrospinal fluid is caused to leak outside or concurrently feel Dye.

Currently, oral, nose, sieve, butterfly, volume carry out before, mesocrany bottom Minimally Invasive Surgery, for postoperative caused saddle bottom, sieve plate, socket of the eye The small area skull defeci at the positions such as frontal plate is without unified method for repairing and mending or patching material.

Utility model content

It can be absorbed by the body, be easy after absorption de- in order to solve degradable biological hard material existing in the prior art Fall, and due to poor flexibility, caused by increased intracranial pressure when be rushed to open and cerebrospinal fluid caused to leak outside or be complicated by infection problem, this Skull repairing card answers piece after utility model provides a kind of basis cranii Minimally Invasive Surgery, not only not easily to fall off, can effectively reduce Before, cerebrospinal rhinorrhea concurrent after the Minimally Invasive Surgery of mesocrany bottom, elastic strength is big, alleviate intracranial pressure bring pressure effect.This Novel technical problems to be solved are achieved through the following technical solutions: skull repairing card is multiple after a kind of basis cranii Minimally Invasive Surgery Piece answers piece ontology including card and card is arranged in and answer clamping part on piece ontology, and the card answers piece ontology as with physiology curvature Arch Elliptic Thin Plates；The clamping part is arranged at the center for blocking multiple piece ontology convex surface；It is described to block multiple piece ontology and clamping Portion is all made of polyether-ether-ketone and is made into integration.

Further, the physiology curvature for blocking multiple piece ontology is 5 °~30 °.

Further, it is described block multiple piece ontology with a thickness of 0.3 mm~1.0mm.

Further, the clamping part is upward protrusion.

Further, the clamping part is downward recess.

Further, the clamping part is " I " fonts or " ten " font.

Further, the clamping part is " two " font or " ten " font.

The utility model has the beneficial effects that 1, it is provided by the utility model before, mesocrany bottom small pieces bone defect dedicated reparation Block multiple piece, is the actual demand according to clinical position and designs, deft design, it is easy to operate, before can effectively reduce, mesocrany bottom Concurrent cerebrospinal rhinorrhea after Minimally Invasive Surgery.

2, before provided by the utility model, small pieces repair of cranial defects Material card answers piece after middle skull base surgery, and use is medical PEEK(polyether-ether-ketone) high molecular material passes through machinery or injection molding manufactures, medical PEEK(polyether-ether-ketone) high molecular material, It is the material closest with skeleton, nontoxic, good biocompatibility, light, resistance to corrosion in body fluid, postoperative tissue compatible Property be better than titanium alloy material, postoperative image check do not influence the judgement of the postoperative state of an illness without artifact, has important clinical meaning.

3, the utility model uses ultra-thin design, matches with skull defeci shape, block multiple piece concave surface and saddle bottom and The configuration of surface of gyrus is close, good with the surrounding structure goodness of fit；Meanwhile certain intensity is both maintained, prevent postoperative burst Increased intracranial pressure causes patch to fall off, and maintains certain elasticity, makes to be easy to moulding operation when placing.The design of thin layer can incite somebody to action The direct inlay card in its edge plays fixed function between endocranium and skull, does not have to other fixed device auxiliary.

4, the clamping part of the protrusion of the utility model can facilitate instrument to clamp, and clamping part stress can be made equal It is even, place adjusting placed angle that can be stable during blocking multiple piece ontology.

5, the clamping part of the recess of the utility model can make the multiple piece ontology of card in placement process by the folder of instrument Holding force is more stable, and avoiding being in contact in placement process with position around causes to cause two to skull defeci portion or operative site Secondary injury.

The utility model is described in further details below with reference to accompanying drawings and embodiments.

Detailed description of the invention

Fig. 1 is that the card of basis cranii repair of cranial defects " I " fonts protrusion clamping part answers chip architecture schematic diagram；

Fig. 2 is that the card of basis cranii repair of cranial defects " ten " font protrusion clamping part answers chip architecture schematic diagram；

Fig. 3 is that basis cranii repair of cranial defects uses the card of " ten " font recess clamping part to answer chip architecture schematic diagram；

Fig. 4 is that basis cranii repair of cranial defects uses the card of " two " font recess clamping part to answer chip architecture schematic diagram.

Specific embodiment

Reach the technical means and efficacy that predetermined purpose is taken for the utility model is further described, below in conjunction with attached drawing And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.

In the description of the invention, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For the limitation to the invention.

In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result, It can explicitly or implicitly include one or more of the features.In the description of the invention, unless otherwise indicated, The meaning of " plurality " is two or more.

Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through Concrete condition understands concrete meaning of the above-mentioned term in the invention.

The purpose of this utility model be for current neurosurgery and ear-nose-throat department increasingly increased oral, nose, sieve, butterfly, Volume carry out before, mesocrany bottom Minimally Invasive Surgery, for the small area skull defeci at the positions such as postoperative caused saddle bottom, sieve plate, socket of the eye frontal plate At present without unified method for repairing and mending or patching material, the card of the utility model, which answers sheet material, to carry out nearly standard for its method for repairing and mending The unification of change.

It can be absorbed by the body, be easy after absorption de- in order to solve degradable biological hard material existing in the prior art Fall, and due to poor flexibility, caused by increased intracranial pressure when be rushed to open and cerebrospinal fluid caused to leak outside or be complicated by infection problem, such as Shown in Fig. 1, the present embodiment provides skull repairings after a kind of basis cranii Minimally Invasive Surgery with multiple piece is blocked, and is suitable for neurosurgery and ear Before Bi Hou section is oral, nose, sieve, butterfly, volume carry out, mesocrany bottom Minimally Invasive Surgery, for postoperative caused saddle bottom, sieve plate, socket of the eye frontal plate etc. The small area skull repairing at position, to avoid postoperative generation leakage of cerebrospinal, brain tissue hernia go out and eyeball beating etc. complication. The multiple piece of card of the present embodiment includes the multiple piece ontology A of card and card is arranged in answer clamping part B on piece ontology A, blocks multiple piece ontology A to have There are the arch Elliptic Thin Plates of physiology curvature；Blocking multiple piece ontology A is thin elliptical plate, and bone lacks in oval shape and surgical procedure The shape at damage position matches, and the concave surface of the multiple piece ontology A of the card of arch plate is close with the configuration of surface at saddle bottom and gyrus, with week The closed structure goodness of fit is good.The physiology curvature for blocking multiple piece ontology A is 5 °~30 °, can be matched with skull physiology curvature, namely card The whole radian of multiple piece ontology A matches with skull surface radian, and arch plate has the elasticity of shape of certain physiology curvature big, Using ultra-thin design, certain intensity had both been maintained, has prevented the increased intracranial pressure of postoperative burst from card being caused to fall off, and maintain Certain elasticity makes to be easy to moulding operation when placing.The long axis for blocking multiple piece ontology A is 15 mm~35mm, short axle be 10 mm~ 30mm, with a thickness of 0.3 mm~1.0mm, card can be answered the direct inlay card in edge of piece ontology A in endocranium and cranium by the design of thin layer Fixed function, and bearing's uniform force are played between bone, do not have to other fixed device auxiliary.

Skull repairing is with blocking multiple piece after basis cranii Minimally Invasive Surgery provided in this embodiment, according to it is clinical (in commonly bore Hole tool specification) operation after there are different skull-base defects areas and be provided with Multiple Type, in the course of surgery according to bone The size of defect selects suitable model or carries out the trimming of appropriateness, the folder that the clamping for tweezers passes through tweezers through nasal passage It holds and is sent to field of operation, and adjusting and 360 degree of rotation that piece ontology A carries out each orientation can be answered card, it is optimal to reach Effect is blocked, avoids postoperative generation leakage of cerebrospinal, brain tissue hernia out and the generation for the complication such as eyeball is beaten to reach.

As depicted in figs. 1 and 2, clamping part B is arranged in card and answers at the center on the convex surface piece ontology A.Clamping part B is upwards convex The " I " fonts or " ten " font risen, " I " fonts protrusion are located at the convex surface center for blocking multiple piece ontology A, long 3.0 mm~8.0mm, The length direction of " I " fonts protrusion is consistent with the long axis direction that card answers piece ontology A, wide 1.0 mm~3.0mm, high 1.0mm 0 ~2.0mm." ten " font protrusion is located at the convex surface center for blocking multiple piece ontology A, and long 3.0 mm~8.0mm, wide 1.0 mm~ 3.0mm, high 1.0 mm -2.0mm.The clamping part of protrusion can facilitate instrument to clamp, and clamping part stress can be made equal It is even, adjusting placed angle that can be stable during blocking multiple piece ontology is placed, is quickly placed successfully with realizing.It is in the prior art Holding ring is loop design, after instrument clamping, after tweezers clamping, holding ring discontinuity, be easy to happen swing and Shake, can not fast and stable patch is placed into required position, operation is inconvenient.

Block multiple piece ontology A and clamping part B to be all made of polyether-ether-ketone and be integrated by machining or injection molding.

Embodiment 2:

As shown in Figure 3 and Figure 4, place unlike the embodiments above is that clamping part B is " two " word of downward recess Type or " ten " font.When the clamping end of instrument is clamped in clamping part B, clamping end clamps or supports the side wall of clamping part B, The side wall of clamping part B limits instrument, the clamping part B of recess can make the multiple piece ontology A of card in placement process by The chucking power of instrument is more stable, when adjusting the angle in placement process with position, avoids being in contact with surrounding position Cause to cause secondary injury to skull defeci portion or operative site.

Block multiple piece ontology A and clamping part B to be all made of polyether-ether-ketone and be integrated by machining or injection molding.It is medical PEEK polyether-ether-ketone high molecular material is by the manufacture of mechanical or injection molding, medical PEEK polyether-ether-ketone high molecular material, be with The closest material of skeleton, nontoxic, good biocompatibility, light, resistance to corrosion in body fluid, postoperative histocompatbility are excellent In titanium alloy material, postoperative image check does not influence the judgement of the postoperative state of an illness without artifact, has important clinical meaning.

It is below that the saddle bottom skull defeci left after sella region is performed the operation answers the operating process that piece is repaired with card, including Following steps:

1, thoroughly stop blooding through the sella region operation area Hou Shu, coated with hemostatic gauze, appear saddle bottom defect.

2, the multiple piece ontology A of card is trimmed in comparison repeatedly, is allowed to size and saddle bottom skull defeci is adapted, and keeps its periphery major out About 0.5mm~2.0mm.

3, the " I " fonts on the convex surface piece ontology A are answered with bipolar coagulation or gun-shaped forceps tip retaining wedge or " ten " font clamps Portion slightly rolls and is sent on the inside of the saddle of saddle bottom defect.

4, after all around adjusting direction or tweezer point rotation adjusting angle with tweezer point clamping protrusion, inlay card is allowed in saddle Between endocranium and skull defeci edge, and reach the optimal goodness of fit and stability.

5, after blocking multiple piece ontology A placement, one layer of hemostatic material, start-stop can be covered on the skull defeci surface at saddle bottom Blood, barrier and the effect for promoting mucous membrane of sphenoid sinus growth to repair.It, will as smeared one layer of chemical glue around saddle bottom bone window after repair Have the function that bone defect is thoroughly repaired.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the protection scope of the utility model.

Claims (7)

1. the skull repairing multiple piece of card after a kind of basis cranii Minimally Invasive Surgery, including block multiple piece ontology (A) and be arranged and answer piece in card Clamping part (B) on ontology (A), it is characterised in that: the card multiple piece ontology (A) is that the arch ellipse with physiology curvature is thin Plate；Clamping part (B) setting is at the center for blocking multiple convex surface piece ontology (A)；

Piece ontology (A) and the clamping part (B) again of blocking is all made of polyether-ether-ketone and is made into integration.

2. the skull repairing multiple piece of card after a kind of basis cranii Minimally Invasive Surgery according to claim 1, it is characterised in that: institute Stating card and answering the physiology curvature of piece ontology (A) is 5 °~30 °.

3. the skull repairing multiple piece of card after a kind of basis cranii Minimally Invasive Surgery according to claim 2, it is characterised in that: institute State card answer piece ontology (A) with a thickness of 0.3 mm~1.0mm.

4. the skull repairing multiple piece of card, feature after a kind of basis cranii Minimally Invasive Surgery according to claim 1 to 3 Be: the clamping part (B) is upward protrusion.

5. the skull repairing multiple piece of card, feature after a kind of basis cranii Minimally Invasive Surgery according to claim 1 to 3 Be: the clamping part (B) is downward recess.

6. the skull repairing multiple piece of card after a kind of basis cranii Minimally Invasive Surgery according to claim 4, it is characterised in that: institute Stating clamping part (B) is " I " fonts or " ten " font.

7. the skull repairing multiple piece of card after a kind of basis cranii Minimally Invasive Surgery according to claim 5, it is characterised in that: institute Stating clamping part (B) is " two " font or " ten " font.