CN1155339C - Postoperative fixator for skull - Google Patents
Postoperative fixator for skull Download PDFInfo
- Publication number
- CN1155339C CN1155339C CNB001002996A CN00100299A CN1155339C CN 1155339 C CN1155339 C CN 1155339C CN B001002996 A CNB001002996 A CN B001002996A CN 00100299 A CN00100299 A CN 00100299A CN 1155339 C CN1155339 C CN 1155339C
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- CN
- China
- Prior art keywords
- tie rod
- skull
- combining mechanism
- stator
- postoperative
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The present invention belongs to medical devices, particularly to a postoperative fixing device for a skull, which comprises an adjusting brace, a lower fixing sheet and an upper fixing sheet, wherein the bottom end of the adjusting brace is provided with a combining mechanism, and the lower fixing sheet is combined with the bottom end of the adjusting brace; the upper fixing sheet is provided with a through hole which is used for penetrating through the adjusting brace, and is combined with a combining mechanism through the combining mechanism which can be mutually matched with the adjusting brace on the through hole. The present invention is characterized in that the combining mechanism of the adjusting brace and the combining mechanism of the upper fixing sheet form an adjustable sliding combining mechanism which is apt to move forwards and is difficult to move backwards. The present invention can easily achieve the purpose of fixing the postoperative skull rapidly.
Description
The invention belongs to medical apparatus and instruments, particularly relevant a kind of postoperative fixator for skull.
Tradition craniotomy operation, usually fix skull with line (wire) or craniotomy operation with nail (craniotomy pin), for example No. 5549620 patent of the U.S. discloses a kind of by plate and clamping bar constituted up and down skull fixator, the skull fixator of this patent, must on skull, offer earlier circular hole in use, so that insert this skull fixator, cause operating time lengthening, shortcoming such as the postoperative healing is relatively poor.
One of purpose of the present invention is to provide a kind of postoperative fixator for skull.
Another object of the present invention is to provide a kind of adjustable postoperative fixator for skull that slides combining mechanism that has.
A further object of the present invention is to provide a kind of Yi Jinnan of having to move back the adjustable postoperative fixator for skull that slides combining mechanism.
Another purpose of the present invention is to provide a kind of postoperative fixator for skull that is made of adjustment tie rod, following stator and last stator.
Postoperative fixator for skull of the present invention, it comprises:
One adjusts tie rod, signs an undertaking and close mechanism in its bottom;
Stator once, it is and this adjustment tie rod bottom combination;
Stator on one, it has a through hole, in order to passing this adjustment tie rod, and with on the through hole can and the combining mechanism combination of working in coordination of the combining mechanism of this adjustment tie rod;
It is characterized in that: the combining mechanism of this adjustment tie rod constitutes one with the combining mechanism that should go up stator and easily advances the adjustable combining mechanism that slides that difficulty is moved back.
Above-mentioned adjustment tie rod, its tie rod minister degree there is no certain limitation, but is easy to operate, with about 3 to 10 centimeters be preferable, after all the other removed redundances, its length was about skull thickness and adds stator thickness.
The tie rod portion of above-mentioned adjustment tie rod, its shape there is no certain limitation, but is preferable with long column shape, with cylindrical, rectangle cylindricality or square column type for better, be the best with rectangle cylindricality or square column type.Said herein cylindrical, rectangle cylindricality, square column type mean its plane of structure essence and are circular, rectangle or square, also can have a little distortion certainly, the angle of rectangular column or square column for example, but arcization.
The tie rod portion of above-mentioned adjustment tie rod has combining mechanism near caudal end part at least, and this combining mechanism can be and easily enters arbitrarily the known adjustable knot mechanism of sliding that difficulty is moved back, buckle-type combining mechanism for example, the box-like combining mechanism of groove.
Above-mentioned following stator, it is the tail end combination with this adjustment tie rod, its combination can be one of the forming mode (for example shown in Figure 5) or allosome combination, if allosome combination, it can be any known combination, such as mode such as fastening, groove closes, for example with have can with the stator of the bonded combining mechanism of combining mechanism of adjusting tie rod as time stator; This allosome combination also can be for example simple fit mode (referring to Figure 10 A), and wherein this time stator also can adopt for example pad (washer) conduct to descend stator directly to be inserted in and adjust the tie rod tail end.
The above-mentioned through hole of going up stator, it can be positioned at any position of stator, but is preferable to be bordering on middle position in fact, the shape of this through hole, easily and this adjust tie rod portion profile cooperation of tie rod, but be the rectangle cylindricality as this tie rod portion, then this through hole in fact easily is a rectangular opening.
Its combining mechanism of working in coordination of combining mechanism on above-mentioned this through hole for the combining mechanism on energy and this adjustment tie rod, the combining mechanism of for example adjusting tie rod is a parallel slotted hole, then the combining mechanism of through hole is the intermeshing double wedge of energy, or the combining mechanism of adjusting tie rod is parallel double wedge, and the combining mechanism of through hole be can and the slotted eye that meshes of parallel double wedge.When the adjustment tie rod was rectangle cylindricality or square cylindricality, its combining mechanism was preferable to be located at wherein relative two planes at least, and the combining mechanism on the through hole is located at its relative position certainly.
The shape of above-mentioned this time stator can be the upper convex surface that cooperates the skull shape, and electricity can be plane or following concave curved surface.No matter it is epirelief or concave curved surface down, all is curved surfaces of bent arc a little.
The above-mentioned shape that should go up stator can be down concave curved surface, and plane or upper convex surface are preferable with upper convex surface.No matter it is recessed or upper convex surface, all is curved surfaces of bent arc a little.
The said D score of the present invention or " tail end ", when meaning the patient and standing towards the direction on ground, its rightabout be " on " or " top ".
In case of necessity, above-mentioned upward stator and/or following stator can have reinforced structure, for example add reinforcing ring and/or strengthen raised line; Also can add other necessary structures, for example on the plane or curved surface that contact with skull, add its contact site of projection or alligatoring (for example adding the alligatoring striped), to strengthen the combination of itself and skull.
The material of postoperative fixator for skull of the present invention can adopt the orthopaedics material of any biocompatible, is preferable to use biological absorbable material especially.
The tie rod device that the present invention utilizes Yi Jinnan to move back can be simply and reach fixedly purpose of post-surgery skull apace.
Below in conjunction with accompanying drawing and preferred embodiment technical scheme of the present invention is further described.
Fig. 1 is the last stator top perspective sketch map of postoperative fixator for skull of the present invention.
Fig. 2 looks up schematic perspective view for the last stator of postoperative fixator for skull of the present invention.
Fig. 3 is the last stator horizontal section sketch map of postoperative fixator for skull of the present invention.
Fig. 4 is the last stator longitudinal profile sketch map of postoperative fixator for skull of the present invention.
Fig. 5 is the adjustment tie rod and the following stator schematic perspective view of postoperative fixator for skull of the present invention.
Fig. 6 A and 6B are postoperative fixator for skull combination sketch map of the present invention.
Fig. 7 is the schematic perspective view after adjustment tie rod redundance is finished and removed in postoperative fixator for skull combination of the present invention.
Fig. 8 A to 8D is the cranium head fixed routine sketch map of postoperative fixator for skull of the present invention.
Fig. 9 is the sketch map after program is finished shown in Fig. 8 A to 8D.
Figure 10 A and 10B are the combination sketch map of another preferred embodiment of the present invention.
The number in the figure explanation
100. adjust tie rod 110. tie rod portions 120. parallel slotted holes, 130. tail ends
200. stator 310. through holes on following stator 210. projections 300.
320. double wedge 330. is strengthened 340. and is strengthened raised line
350. outer rim contact surface 500,550. skulls 520. skull operation holes 510,560. breach
Among Fig. 1,300 is last stator, and 310,320,330 are respectively through hole, double wedge, the reinforcing ring on it, and it becomes upper convex surface.
Figure 2 shows that the lower surface camber of stator 300, wherein 310,320,330 define same Fig. 1,340,350 are respectively it strengthens raised line and outer rim contact surface.
Fig. 3, the same Fig. 1 of each label definition, Fig. 2 among Fig. 4.
Among Fig. 5,100 for adjusting tie rod, and 110,120,130 are respectively tie rod portion, parallel slotted hole, the tail end on it, and 200 are following stator, and 210 is the projection on it.It is integrally formed wherein adjusting tie rod 100 and following stator 200.
Fig. 6 A, each label definition is with aforementioned each figure among 6B and Fig. 7.
Among Fig. 6 A, the through hole 310 of above stator 300 is inserted in the tie rod portion 110 that adjusts tie rod 100, and to pressing down, when the double wedge 320 of last stator 300 meshes with the parallel slotted hole of adjusting tie rod, because the lower plane of double wedge 320 is inclined-plane (referring to Fig. 1 and Fig. 4), cooperating the lower plane of parallel slotted hole 120 also is inclined-plane (referring to Fig. 5), forms " easily advancing " (upward stator 300 presses down and enters easily) combination; And since the last plane of double wedge 320 in fact with the last stator vertical plane of direction of advancing and retreat, cooperate on the parallel slotted hole plane also in fact with the vertical plane of last stator advance and retreat direction, therefore form " difficulty goes out " (go up pressure withdraws from difficulty on the stator) combination.
Fig. 7 is the sketch map after fixedly finishing, and wherein unnecessary tie rod portion part is excised.
Among Fig. 8 A to 8D, 500 is skull, and 550 is the skull that temporarily cuts off in the operation, and 510,560 is otch, constitutes an aperture.Fig. 8 A is that the skull 550 that cuts off is not removed preceding sketch map.Fig. 8 B is that the skull 550 that cuts off is removed the back sketch map, and wherein 520 are the operative incision of skull 550 after removing.Fig. 8 C for the skull postoperative fixing before, adjustment tie rod shown in Figure 5 and following stator are partly placed this breach 510 places.Fig. 8 D is that the skull 550 that will temporarily remove is put back to original position, and will go up stator 300 and be inserted in the sketch map that presses to behind the location.
Each label definition is the same among Fig. 9, and wherein unnecessary tie rod portion 110 parts are cut.Generally speaking, the skull postoperative is fixing can install for example three fixtures, Fig. 8 A, and 8B, 8C, 8D and Fig. 9 only indicate one of them, and the rest may be inferred by analogy.Moreover generally speaking, skull 500 shown in Fig. 8 A and 550 s' otch has been enough to hold adjustment tie rod of the present invention, therefore, even without breach 510,560, also can install postoperative fixator for skull of the present invention.
Each label definition is with Fig. 6 A, 6B among Figure 10 A, the 10B, but among Figure 10 A, the 10B, it is not integrally formed adjusting tie rod 100 and following stator 200, but simple fit.Wherein Figure 10 A represents to adjust the fit mode of tie rod 100 and following stator 200, and Figure 10 B represents the aspect after stator 300 is enclosed within tie rod portion 110.As for the combination of adjusting tie rod and last stator with aforementioned.
Claims (3)
1. postoperative fixator for skull, it comprises:
One adjusts tie rod, signs an undertaking and close mechanism in its bottom;
Stator once, it is and this adjustment tie rod bottom combination;
Stator on one, it has a through hole, in order to passing this adjustment tie rod, and with on the through hole can and the combining mechanism combination of working in coordination of the combining mechanism of this adjustment tie rod;
It is characterized in that: the combining mechanism of this adjustment tie rod constitutes one with the combining mechanism that should go up stator and easily advances the adjustable combining mechanism that slides that difficulty is moved back;
The combining mechanism of described adjustment tie rod is a parallel slotted hole, and combining mechanism of stator is a double wedge on this.
2. postoperative fixator for skull as claimed in claim 1, wherein this adjustment tie rod and following stator are one-body molded.
3. postoperative fixator for skull as claimed in claim 1 or 2, wherein the tie rod of this adjustment tie rod partly becomes cylindrical, rectangle cylindricality or square column type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001002996A CN1155339C (en) | 2000-01-14 | 2000-01-14 | Postoperative fixator for skull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001002996A CN1155339C (en) | 2000-01-14 | 2000-01-14 | Postoperative fixator for skull |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1305781A CN1305781A (en) | 2001-08-01 |
| CN1155339C true CN1155339C (en) | 2004-06-30 |
Family
ID=4575371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001002996A Expired - Fee Related CN1155339C (en) | 2000-01-14 | 2000-01-14 | Postoperative fixator for skull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1155339C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10310004B3 (en) * | 2003-02-27 | 2004-10-21 | Aesculap Ag & Co. Kg | Surgical instrument |
| CN101229077B (en) * | 2008-02-27 | 2010-09-01 | 郭毅军 | Withdrawable fixing device for postoperative skull and other osseous tissue |
| CN102293679A (en) * | 2010-06-24 | 2011-12-28 | 苏州希普生物科技有限公司 | Skull lock |
| KR102205052B1 (en) * | 2012-11-15 | 2021-01-22 | 신세스 게엠바하 | Locking member for a bone fixation device |
| CN103417285B (en) * | 2013-09-14 | 2015-01-21 | 陈浩 | Fractured bone fixator |
| CN105055011B (en) * | 2015-07-29 | 2018-12-28 | 胡晓予 | A kind of Cranial-bone-flap replacement and fixation folder |
-
2000
- 2000-01-14 CN CNB001002996A patent/CN1155339C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1305781A (en) | 2001-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040630 Termination date: 20110114 |