CN109621200A - A kind of fixed device of medical instrument - Google Patents

A kind of fixed device of medical instrument Download PDF

Info

Publication number
CN109621200A
CN109621200A CN201811619006.1A CN201811619006A CN109621200A CN 109621200 A CN109621200 A CN 109621200A CN 201811619006 A CN201811619006 A CN 201811619006A CN 109621200 A CN109621200 A CN 109621200A
Authority
CN
China
Prior art keywords
bone hole
medical instrument
side wall
locking arm
latch
Prior art date
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.)
Pending
Application number
CN201811619006.1A
Other languages
Chinese (zh)
Inventor
张高龙
王航
田野
马伯志
郝红伟
李路明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Beijing Pins Medical Co Ltd
Original Assignee
Tsinghua University
Beijing Pins Medical Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tsinghua University, Beijing Pins Medical Co Ltd filed Critical Tsinghua University
Priority to CN201811619006.1A priority Critical patent/CN109621200A/en
Publication of CN109621200A publication Critical patent/CN109621200A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372Arrangements in connection with the implantation of stimulators
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372Arrangements in connection with the implantation of stimulators
    • A61N1/375Constructional arrangements, e.g. casings
    • A61N1/37514Brain implants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00Electrotherapy; Circuits therefor
    • A61N1/18Applying electric currents by contact electrodes
    • A61N1/32Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372Arrangements in connection with the implantation of stimulators
    • A61N1/375Constructional arrangements, e.g. casings
    • A61N1/37518Anchoring of the implants, e.g. fixation

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Surgical Instruments (AREA)

Abstract

The embodiment of the invention provides a kind of fixed devices of medical instrument.The fixed device of the medical instrument of the embodiment of the present invention, including bone hole pedestal, at least one fixed part that there is the side wall of tubular and extended outwardly from the sidewall upper;Locking assembly is located in the bone hole pedestal, for fixing the medical instrument;And bone hole cover board, for being connect with the upper end of the side wall of bone hole pedestal, to close the upper surface of the side wall of the bone hole pedestal.The size of the medical instrument of the embodiment of the present invention fixed device protrusion part is small, can reduce the risk of skin ulceration and more beautiful.

Description

A kind of fixed device of medical instrument
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of fixed devices of medical instrument, are used for implant electrode Or fixation of other medical instruments on skull.
Background technique
It, can be in medical instruments implanted in human body, to reach treatment in some surgical procedures with the development of medical technology Or the purpose of detection.In deep brain stimulation (Deep Brain Stimulation, DBS), by implant electrode to brain Portion's target generates controllable electro photoluminescence, improves and restore function of human body.
The positioning and fixation of implant electrode are the key that guarantee implant surgery effect.Have to guarantee implant surgery for a long time Effect, the fixed precision of electrode and long-term reliability are particularly important.But current electrode fixing device size is larger, is formed on head Height of projection it is larger, it is big so as to cause skin surface tension, increase skin ulceration risk.Meanwhile excessive fixation device Make to be formed on head it is abnormal raised, very unsightly.Therefore, the fixed device of medical instrument still has in terms of size and operating characteristics Improved demand and space.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of fixed device of medical instrument, the protrusion for reducing fixed device is high Degree can reduce the risk of skin ulceration and more beautiful.
The embodiment of the present invention provides a kind of fixed device of medical instrument, and described device includes:
Bone hole pedestal, at least one fixed part that there is the side wall of tubular and extended outwardly from the sidewall upper;
Locking assembly is located in the bone hole pedestal, for fixing the medical instrument;And
Bone hole cover board, for being connect with the upper end of the side wall of bone hole pedestal, with close the bone hole pedestal side wall it is upper End face.
Further, the distance between the upper surface of locking assembly and bone hole cover board lower surface are less than or equal to described The outer diameter of medical instrument.
Further, the upper surface of the side wall of the bone hole pedestal is provided with flange, and the fixed part is symmetrically arranged It picks up the ears with what the flange was connect;
It is described to pick up the ears to be equipped with the through-hole for following closely across skull.
Further, described to pick up the ears to be additionally provided with groove with the interconnecting piece of flange, the groove is used for so that described pick up the ears It can be bent relative to the flange.
Further, the upper surface of the side wall of the bone hole pedestal is provided with flange, and the upper surface of the side wall is equipped with water Square to fixed medical instrument groove, the flange has opening corresponding with the groove.
Further, it is described after the depth of the groove is provided so that the fixed device of the medical instrument is mounted The bottom surface of groove is concordant with mounting surface or is lower than mounting surface.
Further, the locking assembly includes:
Locking assembly is fixed on the bone hole pedestal for the fit inside with the side wall by the stationary plane of periphery In;And
The clamping face that inside is oppositely arranged, the clamping face is for clamping the medical instrument.
Further, the locking assembly includes:
Locking arm and latch, locking arm are connect with latch by pin hole, form hinge arrangement, the locking arm can Around the hinge axis;The clamping face of the locking arm and the clamping face of latch form an opening, described for clamping Medical instrument;
Wherein, there is thrust structure on the locking arm, there is cantilever on latch;
The thrust structure is used in the clamping face of locking arm and the clamping face approach process of latch, pushes the lock Cantilever on tight plate moves up, and the cantilever is arranged to spring back after the locking arm reaches clip position, with locking arm Collision makes a sound;
Under clamp position, thrust structure is contacted with the side of the cantilever, for preventing locking revolution of arm;
Wherein, the locking arm is equipped with limit features, the limit features be used to making the clamping face of the locking arm with The clamping face of the latch is parallel to each other in clamp position.
Further, it is provided with inward flange on the inside of the side wall of the bone hole pedestal, for limiting to the locking assembly.
Further, buckle is equipped on the inside of the bone hole base side wall, the circumferential surface of the locking assembly, which is equipped with, to be uniformly distributed Card slot, it is described buckle with card slot cooperate, for limiting the circumferential movement of the locking assembly.
The fixed device of the medical instrument of the embodiment of the present invention, including bone hole pedestal, side wall with tubular and from the side At least one outwardly extending fixed part of wall upper surface;Locking assembly is located in the bone hole pedestal, for fixing the medical treatment Instrument;And bone hole cover board, for being connect with the upper end of the side wall of bone hole pedestal, with close the bone hole pedestal side wall it is upper End face.The size of the medical instrument of the embodiment of the present invention fixed device protrusion part is small, can reduce the risk of skin ulceration simultaneously It is more beautiful.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, the above and other purposes of the present invention, feature and Advantage will be apparent from, in the accompanying drawings:
Fig. 1 is the explosive view of the fixed device of medical instrument of the embodiment of the present invention;
Fig. 2 and Fig. 3 is the scheme of installation of the bone hole pedestal of the embodiment of the present invention;
Fig. 4 is the structural schematic diagram of the bone hole pedestal of the embodiment of the present invention;
Fig. 5-Fig. 9 is the structural schematic diagram of the locking assembly of the embodiment of the present invention;
Figure 10-Figure 11 is the bone hole pedestal of the embodiment of the present invention and the assembling schematic diagram of locking assembly;
Figure 12-Figure 14 is the clamping process schematic diagram of the locking assembly of the embodiment of the present invention;
Figure 15 is the structural schematic diagram of the bone hole cover board of the embodiment of the present invention;
Figure 16 is the installation diagram of the fixed device of medical instrument of the embodiment of the present invention;
Figure 17 is cross-sectional view of the fixed device of medical instrument in working condition of the embodiment of the present invention.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under Text is detailed to describe some specific detail sections in datail description of the invention.Do not have for a person skilled in the art The present invention can also be understood completely in the description of these detail sections.In order to avoid obscuring essence of the invention, well known method, mistake There is no narrations in detail for journey, process, element and circuit.
In addition, it should be understood by one skilled in the art that provided herein attached drawing be provided to explanation purpose, and What attached drawing was not necessarily drawn to scale.
Unless the context clearly requires otherwise, "include", "comprise" otherwise throughout the specification and claims etc. are similar Word should be construed as the meaning for including rather than exclusive or exhaustive meaning;That is, be " including but not limited to " contains Justice.In the description of the present invention, unless otherwise indicated, " multilayer " is meant that two layers or two layers or more.
It should be understood that when element or layer be referred to " ... on ", " with ... it is adjacent ", " being connected to " or " being coupled to " it is other When element or layer, can directly on other elements or layer, it is adjacent thereto, be connected or coupled to other elements or layer, or There may be elements or layer between two parties by person.On the contrary, when element is referred to as " on directly existing ... ", " with ... direct neighbor ", " directly It is connected to " or " being directly coupled to " other elements or when layer, then there is no elements or layer between two parties.It for ease of description here can be with Using " ... under ", " ... below ", "lower", " ... on ", the spatial relation terms such as "upper" to be to describe such as attached drawing Shown in relationship between an elements or features and another (a little) elements or features.It should be appreciated that spatial relation term purport In the different orientation for summarizing the device of device in use or operation in addition to being orientated shown in attached drawing.For example, if in attached drawing Device turns, and the element for being described as " " other elements or feature " under " or " below " will be in other elements or spy " top " of sign.Therefore, exemplary term " ... below " can cover above and below two kinds orientation.Device can be adopted Other orientations (being rotated by 90 ° or in other orientations) are taken, are interpreted accordingly used herein of spatial relation description symbol.
" mounting surface " is skull surface.
Existing electrode fixed form includes: lesions located in deep brain equipment supplier offer for constant stimulus electrode Electrode fixing device also has part doctor to carry out electrode using various titanium sheet and fixes, these electrode fixing devices or method are one Determine to meet the fixed requirement of electrode in degree.But current electrode fixing device size is larger, high in the protrusion formed on head Spend larger, skin surface tension is big, increases ulceration risk;Furthermore the exception on head is raised also unsightly.Electrode fixing device exists Still there are improved demand and space in terms of size and operating characteristics.
In embodiments of the present invention, the fixed device of the medical instrument is to be placed in skull hole, for fixing brain deep It is illustrated for stimulating electrode.On the basis of convenience, effectively and reliably fixing medical instrument, fixed dress is significantly reduced Set the height in skull surface protrusion.It should be understood that the fixed device of the medical instrument can also be used for fixing other medical instruments.
Fig. 1 is the explosive view of the fixed device of medical instrument of the embodiment of the present invention.As shown in Figure 1, described device includes: bone Hole pedestal 1, latch 2, locking arm 3, bone hole cover board 4 and skull bone nail 7.Latch 2 and locking arm 3 collectively form locking group Part 20, the bone hole pedestal 1 are placed in skull 6, for fixing medical instrument 5.
Fig. 2 and Fig. 3 is the scheme of installation of the bone hole pedestal of the embodiment of the present invention.Fig. 4 is the bone hole of the embodiment of the present invention The structural schematic diagram of pedestal.As in Figure 2-4, in use, bone hole pedestal 1 is first for the fixation device of the embodiment of the present invention It is placed in the hole of skull 6, the through-hole 1011 picked up the ears 101 on of the skull nail 7 through bone hole pedestal 1 is fixed on skull 6.
Bone hole pedestal 1 have tubular side wall 106 and from 106 upper surface of side wall it is outwardly extending at least one fix Portion.Axially extending bore is formed between the side wall 106.
Specifically, the upper surface of the side wall 106 of the bone hole pedestal 1 is provided with peripheral flange 102, and the fixed part is pair Claim setting connect with the flange 102 pick up the ears 101, it is described to pick up the ears 101 to be equipped with through-hole for following closely 7 across skull 1011.102 lower surface of flange and 6 surface engagement of skull.
Described to pick up the ears 101 to be additionally provided with groove 105 with the interconnecting piece of flange 102, the groove 105 is used for so that the side Ear 101 can be bent relative to the flange 102.So that can be generated at fixed 1 process further groove 105 of bone hole pedestal certain Deformation, to adapt to the curvature on 6 surface of skull.
The upper surface of the side wall 106 is equipped with the groove 103 of the fixed medical instrument 5 of horizontal direction, and the flange 102 has Opening corresponding with the groove 103.The circumferential upper surface for being evenly distributed on side wall 106 of groove 103, is consolidated in use Determine medical instrument 5 and is pierced by fixed device from groove 103.The depth of the groove 103 is provided so that the medical instrument 5 is solid Determine after device is mounted, the bottom surface of the groove 103 is concordant with mounting surface or lower than mounting surface, and the mounting surface is skull table Face.
The inside of the side wall 106 of the bone hole pedestal 1 is provided with inward flange 107, for limiting to the locking assembly 20. Locking assembly 20 to be placed in side wall 106 provides axial support.
Card slot 1021, the cooperation of buckle 4011 of card slot 1021 and bone hole cover board 4 are symmetrically arranged on flange 102.
The inside of side wall 106 is equipped with equally distributed buckle 104, for cooperating with locking assembly 20, limitation locking The circumferential movement and axial movement of component 20.
Fig. 5-Fig. 9 is the structural schematic diagram of the locking assembly 20 of the embodiment of the present invention.As shown in Fig. 5-Fig. 9, specifically, institute Stating locking assembly 20 includes: locking arm 3 and latch 2.
Fig. 7-Fig. 8 is the obverse and reverse of latch.As shown in Figs. 7-8, the latch 2 includes card slot 201, hole 202, face 204, clamping face 205, kidney slot 207, groove 208, pin 209 and cantilever 206.
The latch 2 is the intermediate disc-shape with opening.Face 204 and face 205 are located at the two sides of opening.It is locking 2 upper surface of plate is uniformly distributed circumferentially multiple card slots 201, and adjacent card slot angle is 15 °.The hole 202 is the locking group The interface of part 20 and locking assembly place tool (not shown in this example), 20 through hole 202 of locking assembly and locking assembly Place tool combines, and operates place tool, the locking assembly 20 is accurately placed in the side wall 106 of the bone hole pedestal.
Groove 208 is located at the side in face 204.Cantilever 206 is connect with the curvature portion in face 204, and thickness is smaller.Cantilever 206 With upper surface 2061 and end face 2062.Pin 209 is located in groove 208, the lower section of 205 intersection point of face 204 and face.Kidney slot 207a It is to take out the locking assembly 20 to provide channel with 207b, it is preferred to use surgical clamp is each passed through 207a and 207b, surgical clamp Clamping force latch 2 is deformed to middle shrinkage so that it is described buckle 104 and the card slot 201 be detached from, Jin Erqu Locking assembly out.
Fig. 9 is the structure chart of locking arm.As shown in figure 9, the locking arm 3 include limit features 301, thrust structure 302, Clamping face 303, groove 304, protrusion 305 and pin hole 306.
Limit features 301 are connected in one end of clamping face 303, there is protrusion, the protrusion in the other end of clamping face 303 It is upper that there is pin hole 306.There is protrusion 305 in the side of clamping face 303.In protrusion 305 close to one end of limit features 301, tool There is circular groove 304, a part of groove 304 is in protrusion 305.In the top of protrusion 305, there are thrust structure 302, thrust The height of structure 302 is less than raised 305 height, and the upper surface of thrust structure 302 is inclined-plane, has groove among inclined-plane 3021。
Fig. 5-Fig. 6 is the top and bottom perspective views of locking arm and latch installation diagram.As shown in Fig. 5-Fig. 9, the locking There is groove 208, locking arm 3 is placed in groove 208, is connected by the pin 209 on pin hole 306 and latch 2, shape on plate 2 At hinge arrangement, the locking arm 3 can be rotated around the hinge arrangement.The clamping face 303 and latch of the locking arm 3 2 clamping face 205 forms an opening, for clamping the medical instrument 5.In an optional implementation manner, rotational angle It can be 0~15 °.As shown in fig. 6,20 assembled in advance of locking assembly, and locking arm 3 is rotated counterclockwise into maximum angle, this It is 15 ° in embodiment.Under maximum angle state, the protrusion 305 of locking arm 3 is in contact with the face 204 of latch 2, for limiting The rotation angle of locking arm 3 processed.
Locking assembly 20 includes the stationary plane 211 and the internal clamping face being oppositely arranged of periphery.The stationary plane 211 is used for With the fit inside of the side wall 106, locking assembly 20 is fixed in the bone hole pedestal 1.The clamping face is for pressing from both sides Hold the medical instrument 5.
The circumferential surface of the locking assembly 20 is equipped with equally distributed card slot 201, the card slot 201 and 104 cooperation of buckle, uses In the circumferential movement for limiting the locking assembly 20.
In use, first rotate locking arm 3 using the groove 304 on operational instrument operation locking arm 3.Locking arm 3 one end along its length is equipped with limit features 301, prevents the excessively clamping medical instrument 5 of locking arm 3, reaches lock in locking arm 3 When tight position, the clamping face 303 of locking arm 3 and the clamping face 205 of latch 2 are parallel.The locking arm in 3 rotation process of locking arm Feature 2061 of the upper surface 3022 of thrust structure 302 on latch 2 is slided on 3, after locking arm 3 reaches clip position, Thrust structure 302 is skidded off from the feature 2061 of latch 2, the cantilever 206 in latch 2 downwards spring back so that face 2062 with 3023 cooperations, so that pivoted arm revolution is limited, so that locking arm 3 forms reliable retention to medical instrument 5.In the present embodiment, locking There is cantilever 206 on plate 2, collided in downward rebound with locking arm 3, generate audible sound, enable the surgeon to lead to It crosses voice recognition locking arm 3 and has reached locked position.
During taking out medical instrument 5, locking arm 3 is equipped with feature 3021, and operational instrument presses simultaneously at 3021 Push locking arm 3 that thrust feature 302 can be made to slide into the cantilever 206 of latch 2 counterclockwise, so that the clamping face 303 of locking arm 3 It is separated with the clamping face 205 of latch 2, and then cancels the clamping to medical instrument 5, realization is not destroying fixed device and medical treatment Facilitate the taking-up and replacement of medical instrument 5 under conditions of instrument 5.
Figure 10-Figure 11 is the bone hole pedestal of the embodiment of the present invention and the assembling schematic diagram of locking assembly.Such as Figure 10-Figure 11 institute Show, locking assembly 20 is integrally placed in the through-hole between the side wall 106 of bone hole pedestal 1, specifically, by it is shown in fig. 5 towards On, locking assembly 20 is placed in bone hole pedestal 1.The lower end surface of latch 2 and 1 inward flange 107 of bone hole pedestal cooperate, and prevent Locking assembly 20 moves downward.After the inward flange 107 of 2 lower end surface of latch and bone hole pedestal 1 cooperates, the side wall of bone hole pedestal 1 The card slot 201 of the buckle 104 and 2 upper surface of latch that are distributed on 106 cooperates, and 1 internal circumferential of bone hole pedestal is equal in the present embodiment Four buckles 104 of even distribution, as shown in figure 11, buckle 104 can limit circumferentially rotating for locking assembly 20 after cooperating with card slot 201 And axial movement.2 upper surface card slot 201 of latch is uniformly distributed circumferentially, and adjacent card slot angle is 15 °.In assembling process In, locking assembly 20 is that the opposite bone hole pedestal 1 of energy suitably adjusts, to adapt to the position of clamped medical instrument 5.
Figure 12-Figure 14 is the clamping process schematic diagram of the locking assembly of the embodiment of the present invention.As shown in figure 12, in locking group After part 20 is placed, the locking assembly 20 is entirely located in skull 6, is fixed the clamping that medical instrument 5 is located at locking arm 3 Between face 303 and the clamping face 205 of latch 2, preferably medical instrument 5 is close to clamping face 205.
Then rotate locking arm 3 using the groove 304 on operational instrument operation locking arm 3, so that 3 pairs of medical treatment of locking arm Instrument 5 forms reliable retention.Figure 13 illustrates locking arm 3 to the state for being fixed medical instrument and effectively clamping.
As shown in figure 14, after to medical instrument 5 effectively clamping, medical instrument 5 is bent, according to the position of medical instrument 5, It passes through it along one of groove 103 of bone hole pedestal 1, adjusts medical instrument 5, eliminate winding.
Figure 15 is the structural schematic diagram of the bone hole cover board 4 of the embodiment of the present invention.Figure 16 is the Medical treatment device of the embodiment of the present invention The installation diagram of the fixed device of tool.As shown in Figure 15 and Figure 16, respectively there are two buckle 401, the buckles of two sides for 4 two sides of bone hole cover board 401 are symmetrical arranged.There is groove 402 between two buckles 401 of every side.The buckle 401 and bone hole pedestal 1 of bone hole cover board 4 On card slot 102 cooperate, realize closing to the through-hole between the side wall 106 of bone hole pedestal 1.Face on the buckle 401 4011 cooperate with the inside upper surface of the card slot 102 of bone hole pedestal 1.The groove 402 provides operational instrument and enters the fixation The bone hole cover board 4 is conveniently pried open in channel inside device.
Specifically, bone hole cover board 4 with the upper end of the side wall 106 of bone hole pedestal 1 for connecting, to close the bone hole pedestal The upper surface of 1 side wall 106.The distance between the upper surface of locking assembly 20 and 4 lower surface of bone hole cover board are less than or wait In the outer diameter of the medical instrument 5.
Figure 17 is cross-sectional view of the embodiment of the present invention in working condition, is fixed medical instrument 5 in arm 3 and the locking of being locked Plate 2 clamps, and bone hole cover board 4 and the spacing of 2 upper surface of latch are gradually reduced from shaft core position to edge, bone hole cover board 4 and lock Tight 2 upper surface of plate, which further compresses, is fixed medical instrument 5, forms being reliably fixed to medical instrument 5.Medical instrument 5 is from bone The groove 103 of hole pedestal 1 is pierced by, and the bottom surface of groove 103 is parallel with skull surface, after medical instrument 5 is pierced by bone hole pedestal 1, edge 6 surface extension of skull.In the present embodiment, the fixed device of medical instrument 5 is predominantly located in the inside of skull 6, exposed portion Height is substantially equal to the height of medical instrument 5.Make full use of space in skull so that the height of the protrusion of bone hole cover board 4 relative to Traditional scheme greatly declines, and the present embodiment is able to achieve height of projection decline 50%, and the height for protruding skull is only about 2mm.
The fixed device of the medical instrument of the embodiment of the present invention, clamps Medical treatment device using the clamping face of locking arm and latch Tool, and medical instrument realization is further compressed with latch upper surface by bone hole cover board and is reliably fixed.Bone hole base side wall portion It is placed in the hole of skull with dividing sunk type, the locking assembly for clamping medical instrument is placed in through-hole.Under the present invention passes through Heavy formula design, the component for clamping medical instrument is placed in skull hole, the space in skull hole is taken full advantage of, and reduces fixed device In the height of skull surface protrusion, it not only ensure that and medical instrument conveniently, reliably fixed, but also can reduce skin ulceration risk And increase aesthetics.
The fixed device of the medical instrument of the embodiment of the present invention, including bone hole pedestal, side wall with tubular and from the side At least one outwardly extending fixed part of wall upper surface;Locking assembly is located in the bone hole pedestal, for fixing the medical treatment Instrument;And bone hole cover board, for being connect with the upper end of the side wall of bone hole pedestal, with close the bone hole pedestal side wall it is upper End face.The size of the medical instrument of the embodiment of the present invention fixed device protrusion part is small, can reduce the risk of skin ulceration simultaneously It is more beautiful.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art For, the invention can have various changes and changes.All any modifications made within the spirit and principles of the present invention are equal Replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of fixed device of medical instrument, which is characterized in that described device includes:
Bone hole pedestal (1), with tubular side wall (106) and from the side wall (106) upper surface it is outwardly extending at least one Fixed part;
Locking assembly (20) is located in the bone hole pedestal (1), for fixing the medical instrument (5);And
Bone hole cover board (4), for being connect with the upper end of the side wall (106) of bone hole pedestal (1), to close the bone hole pedestal (1) Side wall (106) upper surface.
2. the apparatus according to claim 1, which is characterized in that the upper surface of locking assembly (20) and the bone hole cover board (4) the distance between lower surface is less than or equal to the outer diameter of the medical instrument (5).
3. the apparatus according to claim 1, which is characterized in that the upper surface of the side wall (106) of the bone hole pedestal (1) is set Be equipped with flange (102), the fixed part be it is symmetrically arranged connect with the flange (102) pick up the ears (101);
Described pick up the ears (101) are equipped with the through-hole for following closely across skull.
4. the apparatus according to claim 1, which is characterized in that described to pick up the ears (101) and the interconnecting piece of flange (102) is also set It is equipped with groove (105), the groove (105) is used for so that pick up the ears (101) can be bent relative to the flange (102).
5. the apparatus according to claim 1, which is characterized in that the upper surface of the side wall (106) of the bone hole pedestal (1) is set It is equipped with flange (102), the upper surface of the side wall (106) is equipped with the groove (103) of horizontal direction fixed medical instrument (5), institute Flange (102) are stated with opening corresponding with the groove (103).
6. the apparatus according to claim 1, which is characterized in that the depth of the groove (103) is provided so that described After the fixed device of medical instrument (5) is mounted, the bottom surface of the groove (103) is concordant with mounting surface or is lower than mounting surface.
7. the apparatus according to claim 1, which is characterized in that the locking assembly (20) includes:
Locking assembly (20) is fixed on institute for the fit inside with the side wall (106) by the stationary plane (211) of periphery It states in bone hole pedestal (1);And
The clamping face that inside is oppositely arranged, the clamping face is for clamping the medical instrument (5).
8. the apparatus according to claim 1, which is characterized in that the locking assembly (20) includes:
Locking arm (3) and latch (2), locking arm (3) are connect with latch (2) by pin hole (306), and hinge arrangement is formed, The locking arm (3) can surround the hinge axis;The clamping face (303) of the locking arm (3) and the folder of latch (2) It holds face (205) and forms an opening, for clamping the medical instrument (5);
Wherein, there are thrust structure (302) on the locking arm (3), there are cantilever (206) on latch (2);
The thrust structure (302) is used for close in the clamping face (303) of locking arm (3) and the clamping face (205) of latch (2) In the process, the cantilever (206) on the latch (2) is pushed to move up, the cantilever (206) is arranged in the locking Arm (3) is sprung back after reaching clip position, is made a sound with locking arm (3) collision;
Under clamp position, thrust structure (302) is contacted with the side of the cantilever (206), for preventing locking arm (3) from returning Turn;
Wherein, the locking arm (3) is equipped with limit features (301), and the limit features (301) are for making the locking arm (3) clamping face (205) of clamping face (303) and the latch (2) is parallel to each other in clamp position.
9. the apparatus according to claim 1, which is characterized in that the inside of the side wall (106) of the bone hole pedestal (1) is arranged There are inward flange (107), for limiting to the locking assembly (20).
10. the apparatus according to claim 1, which is characterized in that be equipped with card on the inside of bone hole pedestal (1) side wall (106) It detains (104), the circumferential surface of the locking assembly (20) is equipped with equally distributed card slot (201), buckle (104) and the card slot (201) cooperate, for limiting the circumferential movement of the locking assembly (20).
CN201811619006.1A 2018-12-28 2018-12-28 A kind of fixed device of medical instrument Pending CN109621200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811619006.1A CN109621200A (en) 2018-12-28 2018-12-28 A kind of fixed device of medical instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811619006.1A CN109621200A (en) 2018-12-28 2018-12-28 A kind of fixed device of medical instrument

Publications (1)

Publication Number Publication Date
CN109621200A true CN109621200A (en) 2019-04-16

Family

ID=66078573

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811619006.1A Pending CN109621200A (en) 2018-12-28 2018-12-28 A kind of fixed device of medical instrument

Country Status (1)

Country Link
CN (1) CN109621200A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116421888A (en) * 2023-04-23 2023-07-14 北京品驰医疗设备有限公司 Clamping assembly and medical instrument fixing device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020156372A1 (en) * 2000-04-07 2002-10-24 Image-Guided Neurologics, Inc. Deep organ access device and method
US20090112327A1 (en) * 2007-10-26 2009-04-30 Courtney Lane Burr hole plug designs
US20110034981A1 (en) * 2004-02-13 2011-02-10 Medtronic, Inc. Apparatus for Securing a Therapy Delivery Device Within a Burr Hole and Method for Making Same
CN103550859A (en) * 2013-11-07 2014-02-05 北京品驰医疗设备有限公司 Fixing device for medical apparatuses and instruments
CN103917270A (en) * 2011-09-13 2014-07-09 波士顿科学神经调制公司 Burr hole plug designs
CN106362280A (en) * 2016-10-08 2017-02-01 佛山市兴兴智能科技有限公司 Brain implanted electrode fixing device
CN108325073A (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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020156372A1 (en) * 2000-04-07 2002-10-24 Image-Guided Neurologics, Inc. Deep organ access device and method
US20110034981A1 (en) * 2004-02-13 2011-02-10 Medtronic, Inc. Apparatus for Securing a Therapy Delivery Device Within a Burr Hole and Method for Making Same
US20090112327A1 (en) * 2007-10-26 2009-04-30 Courtney Lane Burr hole plug designs
CN103917270A (en) * 2011-09-13 2014-07-09 波士顿科学神经调制公司 Burr hole plug designs
CN103550859A (en) * 2013-11-07 2014-02-05 北京品驰医疗设备有限公司 Fixing device for medical apparatuses and instruments
CN106362280A (en) * 2016-10-08 2017-02-01 佛山市兴兴智能科技有限公司 Brain implanted electrode fixing device
CN108325073A (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116421888A (en) * 2023-04-23 2023-07-14 北京品驰医疗设备有限公司 Clamping assembly and medical instrument fixing device
CN116421888B (en) * 2023-04-23 2023-12-29 北京品驰医疗设备有限公司 Clamping assembly and medical instrument fixing device

Similar Documents

Publication Publication Date Title
CN106456204B (en) It is implanted into insertion and the removing tool of magnet
JP5980190B2 (en) Burr hole plug structure
US9468751B2 (en) Medical device anchoring apparatus
AU2008310852B2 (en) Implant magnet insertion and removal tools
US7766922B1 (en) Burr hole caps and methods of use
US8137362B2 (en) Cranial burr hold plug and insertion tool
TWI507168B (en) Receiving part for receiving a rod for coupling the rod to a bone anchoring element and a bone anchoring device with such a receiving part
US8315714B2 (en) Burr hole caps and methods of use
JP6012084B2 (en) Plug design for barhole
US8425534B2 (en) Cam lock burr hole plug for securing stimulation lead
US20080091224A1 (en) Apparatus and method for securing ocular tissue
US8043304B2 (en) Cam lock burr hole plug for securing retainer/plug base
US6705985B2 (en) Apparatus and method for ossicular fixation of implantable hearing aid actuator
CN109621200A (en) A kind of fixed device of medical instrument
US9457180B2 (en) Electrode clamp
CN108325072A (en) A kind of medical instrument fixing device
CN102294057A (en) Left ventricle auxiliary blood pump
CN212037832U (en) Unlockable mitral valve clip and delivery system
CN108325073A (en) A kind of medical instrument fixing device
WO2014138149A1 (en) Implant fixation and impact displacement protection systems
US11504525B2 (en) Methods and apparatus for a lead fixation device
CN209333018U (en) A kind of fixed device of medical instrument
US20070055092A1 (en) Apparatus and method for ossicular fixation of implantable hearing aid actuator
EP3511050A1 (en) Lead anchor and suture device
RU2410056C2 (en) Bone flap retainer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190416

RJ01 Rejection of invention patent application after publication