CN103550859A - Fixing device for medical apparatuses and instruments - Google Patents
Fixing device for medical apparatuses and instruments Download PDFInfo
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- CN103550859A CN103550859A CN201310561653.2A CN201310561653A CN103550859A CN 103550859 A CN103550859 A CN 103550859A CN 201310561653 A CN201310561653 A CN 201310561653A CN 103550859 A CN103550859 A CN 103550859A
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- lock arm
- bone hole
- clamping limb
- locking
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Abstract
The invention discloses a fixing device for medical apparatuses and instruments, and belongs to the technical field of implantation-type medical systems, wherein the fixing device for the medical apparatuses and instruments is used for fixing electrode wires or other thin tubular articles on the skull. The fixing device can locate an electrode accurately, the electrode can be controlled to only generate tiny displacement no matter when it is in a surgery process or after the surgery, the fact that tiny influences are generated on the effect of the surgery by the fixing device is guaranteed, the success rate of a deep brain stimulation surgery is improved in an electrode fixing link, and the surgery effect is improved.
Description
Technical field
The device on skull for fixed electrode wire or other medical apparatus and instruments that the present invention relates to a kind of Implanted medical system, belongs to Implanted medical system technical field.
Background technology
It is a kind of that brain deep brain stimulation system belongs to implantable nerve stimulating system, wherein implantable nerve stimulating system also comprises that implanted cortex stimulates (CNS), implanted spinal cord stimulation trial (SCS), implanted vagus nerve electricity irritation (VNS) etc., the brain deep brain stimulation system of take is example, mainly comprises the pulse generator, electrode and the external control device that implant.Electrode is connected with pulse generator, and the pulse that pulse generator is produced passes to specific neural position and produces electricity irritation, thereby recovers the normal function of human body of corresponding site.Patient is in implant electrode operation process, first doctor determines the target position of patient's brain by 3 D stereo positioner, according to target position, at suitable skull position, output bone hole, electrode wires is inserted into corresponding target position by bone hole and tests, in situation satisfactory for result, will electrode be fixed on to this position by fixture.Along with the system development of brain deep brain stimulation, more and more higher to the positioning accuracy request of implantation brain electrode in operation, higher precision improves the stability of surgical effect and aftertreatment effect.
Larger for the position error of electrode in early stage brain implant electrode operation, electrode wires is bundled in bone hole base by stitching thread conventionally, or electrode wires is pressed between bone hole base and bone port lid in packing bone port lid process into, although this common way can play the effect of fixed electrode, but in fixation procedure, can cause the horizontal or vertical displacement that electrode is larger, affect surgical effect, or within postoperative a period of time, electrode still has space mobile in skull, causes the postoperative deleterious of passing in time.
Summary of the invention
For above-mentioned technical problem of the prior art, the object of the present invention is to provide a kind of accurately fixture of localizing electrode.The present invention realizes by the following technical solutions.
Medical apparatus and instruments is fixed on to the device on skull, comprises:
Bone hole base, it is suitable for being placed in the bone hole of described skull; On the base of described bone hole, be provided with a through hole;
Lock Part, comprises locking upper cover, locking lower cover and lock arm; Described locking upper cover, locking lower cover and lock arm form a V-arrangement opening, and described medical apparatus and instruments can be along its bearing of trend through described V-arrangement opening; Described lock arm can move between by primary importance and the second position, and wherein, when described primary importance, described lock arm allows described medical apparatus and instruments with freely movable in described V-arrangement opening; When the described second position, described lock arm is fixedly clamped described medical apparatus and instruments;
Place handle, it is connected to described bone hole base removedly; Described placement handle has along the main part of an Axis Extension, and in one end of described main part, is provided with the junction surface being connected with described bone hole base, and the side of described one end of described main part is provided with preset screw location division;
Bone port lid, it can cover on the base of described bone hole, so that described through hole is sealed.
Preferably, described locked component is placed in the described through hole of described bone hole base with adjustable angle.
Preferably, on the base of described bone hole, be provided with First Characteristic, the Second Characteristic that is provided with array axis covering in described locking, described Second Characteristic can coordinate with described First Characteristic formation buckle, thereby limit described Lock Part rotation, limit the vertical displacement of described Lock Part simultaneously, made described bone hole base and described Lock Part fixation.
Preferably, described lock arm can be around a fixedly axle center rotation, in rotation process, push the elasticity engaging arm in described locking lower cover open, after arrival appointment clip position, described elastic card and arm rebound, thereby stop described lock arm resilience, to guarantee that lock arm and the structural plane of locking upper cover, locking lower cover clamp electrode wires.
Preferably, described lock arm comprises cursor and clamping limb; Described cursor can be rotated around an axle, promotes described clamping limb produce horizontal straight-line displacement by a driving mechanism.
Preferably, described lock arm is provided with a projection, cover and be provided with an arcuate groove matching with described projection, thereby described projection can be slided and is impelled the motion of described lock arm in described arcuate groove in described locking; Described driving mechanism comprises the projection on the one end that is arranged at described cursor, and is arranged at the long and narrow groove on described clamping limb; Described projection can rotate and slide in described long and narrow groove; Described clamping limb can only be done lateral displacement by described locking upper cover restriction and move.
Preferably, described lock arm comprises angled-lift splits and clamping limb, described angled-lift splits can produce linear movement along first direction, and promotes described clamping limb and produce transverse movement in the second direction that is being different from described first direction, thereby described medical apparatus and instruments is formed to clamping.
Preferably, described clamping limb has a contact surface joining with described angled-lift splits, and described angled-lift splits by the described contact surface effect with described clamping limb, produces transverse movement thereby promote described clamping limb in oblique movement process.
By adopting device of the present invention, no matter be can only produce small displacement by control electrode in operation or after operation, assurance fixture produces very small impact to the effect of operation, in the fixing link of electrode, improves the success rate of brain deep brain stimulation operation and improves surgical effect.
Accompanying drawing explanation
Accompanying drawing 1 is one embodiment of the present invention structural representations
Accompanying drawing 2 is perspective view of the bone hole base of accompanying drawing 1.
Accompanying drawing 3 is generalized sections of the bone hole base of accompanying drawing 1.
Accompanying drawing 4 is detailed schematic in the stereochemical structure of accompanying drawing 1.
Accompanying drawing 5 is positive perspective view of the Lock Part unlocked state of accompanying drawing 1.
Accompanying drawing 6 is positive perspective view of the Lock Part lock-out state of accompanying drawing 1.
Accompanying drawing 7 is back side perspective view of the Lock Part lock-out state of accompanying drawing 1.
Stereo decomposing structural representation when accompanying drawing 8 is Lock Part lock-out states of accompanying drawing 1.
Accompanying drawing 9 be accompanying drawing 1 Lock Part cover bone port lid state time perspective view
Perspective view when accompanying drawing 10 is bone of the present invention hole base and the combination of placement handle
Accompanying drawing 11 be accompanying drawing 10 two cards of placement handle with together with perspective view
Accompanying drawing 12 be the placement handle of accompanying drawing 10 do not block with time perspective view
Accompanying drawing 13 is the placement handle of accompanying drawing 10 and bone hole base cross-sectional view while being used in conjunction with
Accompanying drawing 14 is that the placement handle of accompanying drawing 10 is overlooked structural representation under state
Positive perspective view when accompanying drawing 15 is another embodiment lock-out state of Lock Part of the present invention.
Back side perspective view when accompanying drawing 16 is Lock Part lock-out states of accompanying drawing 15.
Accompanying drawing 17 is Lock Part decomposing state perspective view of accompanying drawing 15.
Accompanying drawing 18 is another embodiment of the present invention Lock Part lock-out state Facad structure schematic diagrams.
Accompanying drawing 19 is Lock Part lock-out state structure schematic diagrams of accompanying drawing 18.
Accompanying drawing 20 is Lock Part decomposing state perspective view of accompanying drawing 18.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is elaborated:
Embodiment one:
If accompanying drawing 1 is to as shown in accompanying drawing 14, a kind of electrode wires fixture 10, comprising: bone hole base 20, Lock Part 30, bone port lid 40, placement handle 50.Wherein Lock Part 30 comprises again: locking upper cover 301, lock arm 302, locking lower cover 303.Place handle 50 in use by identical two cards and together with use.
In use procedure of the present invention, bone hole base 20 is fixed on skull hole site by feature screw hole 201 and skull screw, in screw fixation procedure, bone hole base 20 has the feature 205 that adapts to stationary plane distortion, concrete fixation procedure has mainly been coordinated with placement handle 50 by bone hole base 20 in the present invention, places handle 50 and by snap feature 504, card and feature 505, two is combined as shown in accompanying drawing 11, accompanying drawing 12.After placing handle combination, form feature 501, by feature 501, the skull screw of needs can be placed on wherein in advance, as shown in part section part in accompanying drawing 10.In accompanying drawing 12 feature 501 detail display put in advance the stereochemical structure of screw.The advantage of placing in advance screw is to avoid picking and placeing in operation process the step of screw, due to screw and screw hole small-sized, pick and place difficulty large, and the risk that exists screw to drop in fetching process.Place handle 50 and be fastened togather by feature 502 and bone hole base 20, cylindrical coaxial placement is as shown in accompanying drawing 13, accompanying drawing 10, and while feature 503 is avoided placing handle 50 and relatively rotated as shown in Figure 10 with bone hole base 20.In operation process, finger is held to pick and place and is put handle 50 parts and bone hole base is placed in the bone hole of holding successfully in advance, getting screwdriver screws in by feature 501 the skull screw of placing in advance in skull, in screw-in process, screwdriver forces the feature 501 of placing handle 50 that deformation occurs to pressing down skull screw, to both sides, open that (placing handle 50 is comprised of two engagings, snap feature is 504 and 505, therefore screw is applied to downward pressure at 501 places, can make screw pass through smoothly) as shown in Figure 14.In screw-in process, hand-held placement handle portion prevents that bone hole base 20 from rotating.Screw screws in reservation Hou Gu hole, position base 20 and is fixed on place, bone hole, and placement handle 50 is upwards pulled out and makes feature 502 elastic walls distortion can take off smoothly placement handle 50 parts.Complete bone fixation hole base, open wide bone hole operation.
Fixedly rear electrode line enters pre-set target position by the centre bore shown in accompanying drawing 2, get Lock Part 30 (unlocked states, as shown in Figure 5) put into bone hole base 20, electrode wires is passed in the v-shaped openings place of Lock Part 30, in view of electrode wires may be positioned at the optional position of bone hole base 20 centre bores, Lock Part 30 is rotatable putting into structural design, can adjust arbitrarily proper angle according to electrode wires position and put into, guarantee that putting into process electrode wires can not be subjected to displacement.
In order to guarantee can not occur after Lock Part 30 is put into bone hole base 20 and arrived precalculated position significantly, swing offset is ad hoc has counted anti-rotation displacement structure, comprise: the feature 203 (as shown in Figure 2) on bone hole base 20 and the array axis feature 3011 locking on upper casing 301, two features coordinate as shown in details A in accompanying drawing 4, feature 203 adopts Elastic buckle form, coordinate with feature 3011 and both guarantee that Lock Part 30 can not significantly rotate, limit the vertical displacement of Lock Part 20 simultaneously, made bone hole base 20 and Lock Part 30 fixations.
Lock Part can further lock electrode wires operation after entering precalculated position, stir lock arm 302 around turning cylinder 3023 rotations, position toggles it to the position shown in accompanying drawing 6 by the position shown in accompanying drawing 5, between locking position arm 302 shown in accompanying drawing 6 and locking upper casing 301, locking lower casing 303, form narrower crack, the distance of crack is less than electrode wires diameter, thereby plays the effect of firm grip electrode wires.For preventing that lock arm 302 from returning under electrode wires elastic reaction, the feature 3022 having designed in accompanying drawing 7 coordinates with feature 3032.Concrete mechanism is that feature 3022 is rotated with lock arm in stirring lock arm 302 processes, promote elastic wall feature 3032 outside strains, after lock arm 302 arrival assigned addresses, the projection of feature 3022 has been avoided the elastic wall projection of feature 3032, feature elastic wall 3032 recovers origin-location, between feature 3022 projections and feature 3032 projections, form buckle structure simultaneously, prevent lock arm 302 resilience under electrode wires elastic reaction, guaranteed that lock arm is to electrode wires fixation.
Embodiment two:
If accompanying drawing 15 is to as shown in accompanying drawing 17, different from embodiment one is the manner of execution of Lock Part 30, and in present embodiment, lock arm 322 consists of two parts, is respectively cursor 3221 and clamping limb 3222.Cursor 3221 is done arcuate movement along track characteristic 3231, cursor 3221 is connected with projection 32222 by groove 32211 with clamping limb 3222, the two ends up and down of clamping limb 3222 are limited in locking in upper cover 321 and can only do lateral displacement motion simultaneously, the movement in a curve of cursor 3221 promotes clamping limb 3222 and produces lateral displacement motion thus, and structure is if accompanying drawing 15 is with as shown in accompanying drawing 17.
After lock arm arrives assigned address, elastic arm feature 3232 engages mutually with cursor feature 32212, as shown in Figure 16, Figure 17, completes the fixing of lock arm, and realizes lock function.
Embodiment three:
If accompanying drawing 18 is to as shown in accompanying drawing 20, different from embodiment one is the manner of execution of Lock Part 30, and in present embodiment, lock arm 302 consists of two parts, is respectively angled-lift splits 3321 and clamping limb 3322, as shown in accompanying drawing 18, accompanying drawing 20.Specific implementation process is feature angled-lift splits 3321 oblique movements, clamping limb 3322 by bound built in locking upper casing in, after completing assembling, determine that clamping limb can only produce transverse movement under degree of freedom instantly, angled-lift splits 3321 promotes clamping limb by the contact surface with clamping limb 3322 and produces transverse movement in oblique movement process, thereby forms holding electrode line structure.After lock arm arrival assigned address, the stroke of angled-lift splits 3321 rollbacks is engaged, completes locking.
Claims (8)
1. medical apparatus and instruments is fixed on to the device on skull, comprises:
Bone hole base, it is suitable for being placed in the bone hole of described skull; On the base of described bone hole, be provided with a through hole;
Lock Part, comprises locking upper cover, locking lower cover and lock arm; Described locking upper cover, locking lower cover and lock arm form an opening, and described medical apparatus and instruments can be along its bearing of trend through described opening; Described lock arm can move between by primary importance and the second position, and wherein, when described primary importance, described lock arm allows described medical apparatus and instruments with freely movable in described opening; When the described second position, described lock arm is fixedly clamped described medical apparatus and instruments;
Place handle, it is connected to described bone hole base removedly; Described placement handle has along the main part of an Axis Extension, and in one end of described main part, is provided with the junction surface being connected with described bone hole base, and the side of described one end of described main part is provided with preset screw location division;
Bone port lid, it can cover on the base of described bone hole, so that described through hole is sealed.
2. device according to claim 1, is characterized in that, described Lock Part is placed in the described through hole of described bone hole base with adjustable angle.
3. device according to claim 2, it is characterized in that, on the base of described bone hole, be provided with First Characteristic, the Second Characteristic that is provided with array axis covering in described locking, described Second Characteristic can coordinate with described First Characteristic formation buckle, thereby limit described Lock Part rotation, limited the vertical displacement of described Lock Part simultaneously, make described bone hole base and described Lock Part fixation.
4. according to the device one of claim 1-3 Suo Shu, it is characterized in that, described lock arm can be around a fixedly axle center rotation, in rotation process, push the elasticity engaging arm in described locking lower cover open, after arrival appointment clip position, described elastic card and arm rebound, thereby stop described lock arm resilience, to guarantee that lock arm and the structural plane of locking upper cover, locking lower cover clamp electrode wires.
5. according to the device one of claim 1-3 Suo Shu, it is characterized in that, described lock arm comprises cursor and clamping limb; Described cursor can be rotated around an axle, promotes described clamping limb produce horizontal straight-line displacement by a driving mechanism.
6. device according to claim 5, is characterized in that, described lock arm is provided with a projection, cover and be provided with an arcuate groove matching with described projection, thereby described projection can be slided and is impelled the motion of described lock arm in described arcuate groove in described locking; Described driving mechanism comprises the projection on the one end that is arranged at described cursor, and is arranged at the long and narrow groove on described clamping limb; Described projection can rotate and slide in described long and narrow groove; Described clamping limb can only be done lateral displacement by described locking upper cover restriction and move.
7. according to the device one of claim 1-3 Suo Shu, it is characterized in that, described lock arm comprises angled-lift splits and clamping limb, described angled-lift splits can produce linear movement along first direction, and promote described clamping limb and produce transverse movement in the second direction that is being different from described first direction, thereby described medical apparatus and instruments is formed to clamping.
8. device according to claim 7, it is characterized in that, described clamping limb has a contact surface joining with described angled-lift splits, and described angled-lift splits by the described contact surface effect with described clamping limb, produces transverse movement thereby promote described clamping limb in oblique movement process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310561653.2A CN103550859B (en) | 2013-11-07 | 2013-11-07 | Fixing device for medical apparatuses and instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310561653.2A CN103550859B (en) | 2013-11-07 | 2013-11-07 | Fixing device for medical apparatuses and instruments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103550859A true CN103550859A (en) | 2014-02-05 |
| CN103550859B CN103550859B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310561653.2A Active CN103550859B (en) | 2013-11-07 | 2013-11-07 | Fixing device for medical apparatuses and instruments |
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| CN (1) | CN103550859B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105381537A (en) * | 2015-11-02 | 2016-03-09 | 北京品驰医疗设备有限公司 | Easy-to-disengage placement tool for placing electrode fixing device |
| CN107029346A (en) * | 2017-04-25 | 2017-08-11 | 北京品驰医疗设备有限公司 | A kind of electrode fixes anchor |
| CN108325070A (en) * | 2018-04-20 | 2018-07-27 | 北京品驰医疗设备有限公司 | A kind of medical instrument fixing device |
| CN108325074A (en) * | 2018-04-20 | 2018-07-27 | 北京品驰医疗设备有限公司 | A kind of medical instrument fixing device |
| CN108325075A (en) * | 2018-04-20 | 2018-07-27 | 北京品驰医疗设备有限公司 | A kind of medical instrument fixing device |
| CN108325071A (en) * | 2018-04-20 | 2018-07-27 | 北京品驰医疗设备有限公司 | A kind of medical instrument fixing device |
| CN108325072A (en) * | 2018-04-20 | 2018-07-27 | 北京品驰医疗设备有限公司 | A kind of medical instrument fixing device |
| CN109621200A (en) * | 2018-12-28 | 2019-04-16 | 清华大学 | A kind of fixed device of medical instrument |
| CN112156357A (en) * | 2020-09-30 | 2021-01-01 | 北京品驰医疗设备有限公司 | Skull screw |
| WO2021102780A1 (en) * | 2019-11-28 | 2021-06-03 | 苏州景昱医疗器械有限公司 | Auxiliary tool for surgery |
| CN113871958A (en) * | 2021-09-30 | 2021-12-31 | 苏州景昱医疗器械有限公司 | Connecting component, connecting device and nerve electrical stimulation system |
| CN116603168A (en) * | 2023-04-23 | 2023-08-18 | 北京品驰医疗设备有限公司 | Base and medical instrument fixing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105381537A (en) * | 2015-11-02 | 2016-03-09 | 北京品驰医疗设备有限公司 | Easy-to-disengage placement tool for placing electrode fixing device |
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| CN108325072A (en) * | 2018-04-20 | 2018-07-27 | 北京品驰医疗设备有限公司 | A kind of medical instrument fixing device |
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| CN108325075A (en) * | 2018-04-20 | 2018-07-27 | 北京品驰医疗设备有限公司 | A kind of medical instrument fixing device |
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| CN109621200A (en) * | 2018-12-28 | 2019-04-16 | 清华大学 | A kind of fixed device of medical instrument |
| WO2021102780A1 (en) * | 2019-11-28 | 2021-06-03 | 苏州景昱医疗器械有限公司 | Auxiliary tool for surgery |
| CN112156357A (en) * | 2020-09-30 | 2021-01-01 | 北京品驰医疗设备有限公司 | Skull screw |
| CN112156357B (en) * | 2020-09-30 | 2023-08-04 | 北京品驰医疗设备有限公司 | Self-tapping and self-drilling skull screw |
| CN113871958A (en) * | 2021-09-30 | 2021-12-31 | 苏州景昱医疗器械有限公司 | Connecting component, connecting device and nerve electrical stimulation system |
| CN113871958B (en) * | 2021-09-30 | 2024-02-02 | 景昱医疗科技（苏州）股份有限公司 | Connecting assembly, connecting device and nerve electrical stimulation system |
| CN116603168A (en) * | 2023-04-23 | 2023-08-18 | 北京品驰医疗设备有限公司 | Base and medical instrument fixing device |
| CN116603168B (en) * | 2023-04-23 | 2023-10-31 | 北京品驰医疗设备有限公司 | Base and medical instrument fixing device |
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