CN207785236U - Instrument is followed closely in articular process - Google Patents
Instrument is followed closely in articular process Download PDFInfo
- Publication number
- CN207785236U CN207785236U CN201621424326.8U CN201621424326U CN207785236U CN 207785236 U CN207785236 U CN 207785236U CN 201621424326 U CN201621424326 U CN 201621424326U CN 207785236 U CN207785236 U CN 207785236U
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- Prior art keywords
- articular process
- screw
- instrument
- screwdriver rod
- guide channel
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Abstract
Instrument is followed closely in a kind of articular process of the utility model offer, instrument is followed closely in articular process, is used to interarticular screw being mounted on articular process, including：Access sheath, passage-opening awl, guide pin, drill bit, screw tap, screwdriver rod and binding circulator；Guide channel is provided in access sheath；Passage-opening awl includes：Tapered sleeve and awl, tapered sleeve are inserted into guide channel, and tapered sleeve is equipped with open circuit through hole；Drill bit is inserted into open circuit through hole；Screw tap is inserted into guide channel；Screw tap is equipped with tapering axially extending bore；Screwdriver rod is inserted into guide channel, and screwdriver rod is equipped with bar portion axially extending bore；One end of screwdriver rod is equipped with bar portion internal thread；The other end of screwdriver rod is equipped with rotation card slot；Interarticular screw is equipped with nail portion axially extending bore.The utility model precisely can effectively accomplish fluently screw way, protect proximity of muscle tissue, fast promptly install interarticular screw, shorten operating time, while easy to disassemble and cleaning and sterilizing.
Description
Technical field
The utility model is related to the field of medical instrument technology, more particularly to following closely instrument in a kind of articular process.
Background technology
Currently, same to the musculature for needing thorough protection neighbouring at articular process when processus articular superior screw during surgery
When, it is also necessary to carry out docile bone surface treatment, but the instrument on existing market, be frequently present of operative incision it is excessive, damage it is neighbouring
Muscle or tissue, bone surface treatment inconvenient even instrument and implantation material misfit the problems such as causing high incisura.
Utility model content
In view of the foregoing deficiencies of prior art, the utility model intends to solve the technical problem by providing a kind of joints
Prominent upper nail instrument.
In order to achieve the above objects and other related objects, instrument is followed closely in a kind of articular process of the utility model offer, being used for will
Interarticular screw is mounted in articular process, and instrument is followed closely in articular process and includes：Access sheath, guide pin, drill bit, screw tap, rises passage-opening awl
Sub bar and binding circulator；It is provided with guide channel in the access sheath；The passage-opening awl, including tapered sleeve and awl, it is described
Tapered sleeve is inserted into the guide channel, and the tapered sleeve is equipped with the open circuit through hole being inserted into for the awl；The brill
Head is inserted into the open circuit through hole；The screw tap is inserted into the guide channel；The screw tap is equipped with can
The tapering axially extending bore being inserted into for the guide pin；The screwdriver rod is inserted into the guide channel, is set on the screwdriver rod
There is the bar portion axially extending bore being inserted into for the guide pin；One end of the screwdriver rod is equipped with corresponding with the interarticular screw
Bar portion internal thread；The other end of the screwdriver rod is equipped with the rotation card slot with the head insertion for the binding circulator；
The interarticular screw is equipped with the nail portion axially extending bore being inserted into for the guide pin；It is additionally provided in the access sheath flexibly positioned
The positioning end of part, the flexible positioning piece stretches into the guide channel, the compressible insertion of positioning end of the flexible positioning piece
The tapered sleeve in the guide channel and the screw tap.
Preferably, the rotation card slot is ring-like card slot, and the inner ring surface of the rotation card slot is hexagon, the revotating card
The outer ring surface of slot is circle；The head of the binding circulator is equipped with mounting groove, and the inner wall of the mounting groove is and the rotation
The outer wall of the corresponding hexagon of inner ring surface of card slot, the mounting groove is corresponding round with the rotation outer ring surface of card slot.
Preferably, instrument is followed closely in the articular process further includes：Handle is installed, the installation handle is equipped with and is led for described
The handle portion axially extending bore that needle is inserted into；The installation handle can drive the screw tap and the screwdriver rod to rotate.
Further, the other end of the tail portion of the screw tap and the screwdriver rod is equipped with jointing, the installation hand
The head of handle is equipped with the link slot being inserted into for the jointing.
Preferably, the flexible positioning piece includes being set to the spring and hoodle in the access sheath and being connected, institute
The one end far from the spring for stating hoodle is stretched into the guide channel.
Preferably, the tapered sleeve is equipped with dentation protrusion.
Preferably, it is equipped with scale on the tapered sleeve, the drill bit and the screw tap.
Preferably, instrument is followed closely in the articular process further includes：Bone reamer, the bone reamer can be inserted into the guide channel
In；The bone reamer is equipped with the knife portion axially extending bore being inserted into for the guide pin.
As described above, following closely instrument in the articular process of the utility model, have the advantages that：The utility model being capable of essence
Standard effectively accomplishes fluently screw way, protects proximity of muscle tissue, fast promptly installs interarticular screw, shortens operating time,
Easy to disassemble and cleaning and sterilizing simultaneously.
Description of the drawings
Fig. 1 is shown as being inserted into the internal structure signal of passage-opening awl in the access sheath for following closely instrument in the articular process of the present embodiment
Figure.
Fig. 2 is shown as following closely the internal structure schematic diagram of the access sheath of instrument in the articular process of the present embodiment.
Fig. 3 is shown as following closely the external structure schematic diagram of the passage-opening awl of instrument in the articular process of the present embodiment.
Fig. 4 is shown as following closely the internal structure schematic diagram of the passage-opening awl of instrument in the articular process of the present embodiment.
Fig. 5 is shown as following closely the structural schematic diagram of the guide pin of instrument in the articular process of the present embodiment.
Fig. 6 is shown as following closely the structural schematic diagram of the drill bit of instrument in the articular process of the present embodiment.
Fig. 7 is shown as following closely the side structure schematic diagram of the screw tap of instrument in the articular process of the present embodiment.
Fig. 8 is shown as following closely the dimensional structure diagram of the screw tap of instrument in the articular process of the present embodiment.
Fig. 9 is shown as following closely the side structure schematic diagram of the screwdriver rod of instrument in the articular process of the present embodiment.
Figure 10 is shown as following closely the dimensional structure diagram of the screwdriver rod of instrument in the articular process of the present embodiment.
Figure 11 is shown as following closely the structural schematic diagram of the binding circulator of instrument in the articular process of the present embodiment.
Figure 12 is shown as following closely the structural schematic diagram of the tail portion of the bone reamer of instrument in the articular process of the present embodiment.
Figure 13 is shown as following closely the structural schematic diagram on the head of the bone reamer of instrument in the articular process of the present embodiment.
Figure 14 is shown as following closely the structural schematic diagram of the installation handle of instrument in the articular process of the present embodiment.
Figure 15 is shown as following closely the structural schematic diagram of the interarticular screw of instrument in the articular process of the present embodiment.
The passage-opening awl that Figure 16 is shown as following closely instrument in the articular process of the present embodiment is inserted into access sheath to articular process progress
The schematic diagram of trepanning.
Figure 17 is shown as following closely the schematic diagram that the awl of the passage-opening awl of instrument takes out from tapered sleeve in the articular process of the present embodiment.
Figure 18 is shown as being inserted into the schematic diagram of drill bit in the tapered sleeve for following closely the passage-opening awl of instrument in the articular process of the present embodiment.
Figure 19 is shown as being inserted into the schematic diagram of guide pin in the tapered sleeve for following closely the passage-opening awl of instrument in the articular process of the present embodiment.
Figure 20 is shown as following closely the schematic diagram that the passage-opening awl of instrument takes out from access sheath in the articular process of the present embodiment.
Figure 21 is shown as following closely the schematic diagram using tap tapping of instrument in the articular process of the present embodiment.
Figure 22 is shown as following closely the signal of instrument being mounted on interarticular screw on screwdriver rod in the articular process of the present embodiment
Figure.
Figure 23 is shown as following closely the signal of instrument being mounted on interarticular screw in articular process in the articular process of the present embodiment
Figure.
Figure 24 is shown as following closely the schematic diagram for detaching screwdriver rod with interarticular screw of instrument in the articular process of the present embodiment.
Drawing reference numeral explanation
1 articular process
100 access sheaths
110 guide channels
120 flexible positioning pieces
121 springs
122 hoodles
200 passage-opening awls
210 tapered sleeves
211 open circuit through holes
212 dentation protrusions
220 awls
300 guide pins
400 drill bits
500 screw taps
510 tapering axially extending bores
600 screwdriver rods
610 bar portion axially extending bores
630 rotation card slots
631 inner ring surfaces
632 outer ring surfaces
700 binding circulators
710 mounting grooves
711 inner walls
712 outer walls
800 installation handles
810 handle portion axially extending bores
900 bone reamers
910 knife portion axially extending bores
920 polished rod portions
930 reamer portions
10 interarticular screws
11 nail portion axially extending bores
12 posts
13 heads of a nail
20 jointings
Specific implementation mode
Illustrate that the embodiment of the utility model, those skilled in the art can be by these by particular specific embodiment below
Content disclosed by specification understands other advantages and effect of the utility model easily.
Please refer to attached drawing.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only coordinating
The revealed content of specification, so that those skilled in the art understands and reads, being not limited to the utility model can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of the utility model can be generated and the purpose that can reach, should all still fall in the utility model institute
The technology contents of announcement obtain in the range of capable of covering.Meanwhile in this specification it is cited as "upper", "lower", "left", "right",
The term of " centre " and " one " etc. is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model,
Its relativeness is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the utility model.
As shown in Fig. 1 to Figure 24, instrument is followed closely in the articular process of the present embodiment：For interarticular screw 10 to be mounted on joint
Following closely instrument on prominent 1, in articular process includes：
Access sheath 100, passage-opening awl 200, guide pin 300, drill bit 400, screw tap 500, screwdriver rod 600 and binding circulator
700；
Guide channel 110 is provided in access sheath 100；
Passage-opening awl 200, including tapered sleeve 210 and awl 220, tapered sleeve 210 are inserted into guide channel 110, on tapered sleeve 210
Equipped with the open circuit through hole 211 being inserted into for awl 220；
Drill bit 400 is inserted into open circuit through hole 211；
Screw tap 500 is inserted into guide channel 110；It is axial that screw tap 500 is equipped with the tapering being inserted into for guide pin 300
Through-hole 510；
Screwdriver rod 600 is inserted into guide channel 110, and screwdriver rod 600 is equipped with the bar portion being inserted into for guide pin 300
Axially extending bore 610；One end of screwdriver rod 600 is equipped with bar portion internal thread corresponding with interarticular screw 10；Screwdriver rod 600 it is another
One end is equipped with the rotation card slot 630 with the head insertion for binding circulator 700；
Interarticular screw 10 is equipped with the nail portion axially extending bore 11 being inserted into for guide pin 300；It is additionally provided with bullet in access sheath 100
Property locating piece 120, the positioning end of flexible positioning piece 120 stretch into guide channel 110, and the positioning end of flexible positioning piece 120 can press
The tight tapered sleeve 210 being inserted into guide channel 110 and screw tap 500.
The passage-opening awl 200 of the utility model is inserted into the guide channel 110 of access sheath 100, for enterprising in articular process 1
Row tap operation；Since passage-opening awl 200 includes tapered sleeve 210 and awl 220, in trepanning, awl 220 is inserted in tapered sleeve 210；
After trepanning, awl 220 takes out from tapered sleeve 210, and the protection to proximity of muscle tissue may be implemented in tapered sleeve 210.Guide pin 300
One end is inserted into the hole that awl 220 is opened, and the other end of guide pin 300 is inserted into screw tap 500,600 and of screwdriver rod
In interarticular screw 10, to play guiding to the screw tap 500, screwdriver rod 600 and the interarticular screw 10 that are inserted into access sheath 100
Effect.For drilling, the head of screw tap 500 is used for tapping on the head of drill bit 400.The prominent spiral shell of one end connecting joint of screwdriver rod 600
Nail 10, binding circulator 700 are inserted into the rotation card slot 630 of the other end of screwdriver rod 600, and binding circulator 700 can drive
Sub bar 600 is moved to the direction far from interarticular screw 10, and interarticular screw 10 is made to be detached with screwdriver rod 600.
The setting of flexible positioning piece 120 can make in insertion guide channel 110 central axes of tapered sleeve 210 and screw tap 500 with
The central axes of guide channel 110 are conllinear.
Instrument is followed closely in the articular process of the present embodiment, precisely can effectively accomplish fluently screw way, due to passage-opening awl 200, drill bit
400, screw tap 500, screwdriver rod 600 are inserted in guide channel 110, so can protect proximity of muscle group during nailing
It knits.
Instrument is followed closely in articular process further includes：Bone reamer 900, bone reamer 900 can be inserted into guide channel 110；Bone reamer 900
It is equipped with the knife portion axially extending bore 910 being inserted into for guide pin 300.Bone reamer 900 can be in the hole in the hole of the tapping of articular process 1
Mouth grinds that the structure of junction with the post of interarticular screw 10 12 and the head of a nail 13 is corresponding to be recessed, which can effectively drop
Incisura after low upper nail.
In the present embodiment, the screw thread in the post 12 of interarticular screw 10 is varying pitch, the separate head of a nail 13 of post 12
One end be post 12 front end, post 12 connection the head of a nail 13 one end be post 12 rear end, from the front end of post 12 to
The rear end of post 12, screw pitch become smaller successively；When such structure makes the post 12 of interarticular screw 10 into nail, interarticular screw 10
Post 12 front end enter the hole in articular process 1 speed it is fast, the rear end of the post 12 of interarticular screw 10 enters articular process 1
On hole speed it is slow, form the function of a pressurization, be more advantageous to interarticular screw 10 and articular process 1 is coupled fusion.
The front end of bone reamer 900 is exactly that bone reamer 900 needs to stretch into one end in the hole that drill bit 400 is bored, bone reamer 900
Front end include the polished rod portion 920 set gradually and reamer portion 930, the outer diameter in polished rod portion 920 is identical as the diameter of drill bit 400,
The internal diameter in polished rod portion 920 is identical as the diameter of guide pin 300, can play guiding role；The reamer portion 930 at 920 rear of polished rod portion
Shape it is identical as the post 12 of interarticular screw 10 and the structure of junction of the head of a nail 13, to the hole opened in articular process 1
Aperture carries out after scraping hinge processing, can bury the head of a nail 13 of interarticular screw 10 to 1 bone plane of articular process hereinafter, reaching zero incisura
Effect.
In order to keep binding circulator 700 and the connection of screwdriver rod 600 more stable, rotation card slot 630 is ring-like card slot, rotation
The inner ring surface 631 of card slot 630 is hexagon, and the outer ring surface 632 of rotation card slot 630 is circle；The head of binding circulator 700 is set
There is mounting groove 710, the inner wall 711 of mounting groove 710 is hexagon corresponding with the rotation inner ring surface 631 of card slot 630, mounting groove
710 outer wall 712 is corresponding with the rotation outer ring surface 632 of card slot 630 round.
The peripheral surface of screwdriver rod 600 is equipped with indication wire, and indication wire is black, when indication wire is close to channel barrel end
When, indicate that interarticular screw 10 is squeezed into screw way completely, in order to avoid doctor's overexertion, protection patient will not be by secondary wound
Wound.
It is rotated for the ease of driving screw tap 500 or screwdriver rod 600, nail instrument further includes in articular process：Handle is installed
800, installation handle 800 is equipped with the handle portion axially extending bore 810 being inserted into for guide pin 300；Installation handle 800 can drive drill bit
400, screw tap 500 or screwdriver rod 600 rotate.
Since the other end of the tail portion of screw tap 500, the tail portion of bone reamer 900 and screwdriver rod 600 is equipped with jointing 20,
The head of installation handle 800 is equipped with the link slot being inserted into for jointing 20.When the tail portion of screw tap 500, bone reamer 900
When jointing 20 on the other end of tail portion or screwdriver rod 600 is inserted into link slot, installation handle 800 is achieved that and screw tap
The grafting of the other end of 500 tail portion, the tail portion of bone reamer 900 or screwdriver rod 600.
Flexible positioning piece 120 includes being set to the spring 121 in access sheath 100 and being connected and hoodle 122, hoodle
One end of 122 separate spring 121 is stretched into guide channel 110.One end of the separate spring 121 of hoodle 122 is exactly that elasticity is fixed
The positioning end of position part 120.One end of the separate spring 121 of hoodle 122, which can limit, to be inserted into tapered sleeve 210 in guide channel 110, bores
First 400 and screw tap 500 shift position, the structure of spring 121 and hoodle 122 convenient for tapered sleeve 210, drill bit 400 and screw tap 500 from
It is taken out in guide channel 110；Flexible positioning piece 120 in the present embodiment is at least two, at least two flexible positioning pieces, 120 edge
The circumferential direction for access sheath 100 is uniformly distributed.Hoodle 122 can resist be inserted into guide channel 110 in tapered sleeve 210, drill bit 400,
Screw tap 500 and bone reamer 900 simultaneously give its certain pressure, play the role of positioning temporarily.
Tapered sleeve 210 is equipped with dentation protrusion 212.The dentation protrusion 212 on 210 head of tapered sleeve can be embedded in awl 220 and be opened
Hole arrival end in, with stabilising direction and reaming.
Tapered sleeve 210 is equipped with scale, and the scale on tapered sleeve 210 can allow doctor's understanding instrument to enter the relatively deep of skin
Degree, avoids causing excessive wound to patient.In the present embodiment, the tail end of tapered sleeve 210 is equipped with set shank, the tail end of awl 220
It is equipped with needle handle portion, after awl 220 is inserted to depth capacity, set shank and needle handle portion can be contacted, cover shank and the overlapping of needle handle portion,
Tapered sleeve 210 and awl 220 are to form an entirety starting perforation stage in this way, simplify operation.
Drill bit 400 is equipped with scale.Scale on drill bit 400 is shown drill bit 400 and enters in the trepanning in articular process
Depth, i.e., drill bit 400 stretch out tapered sleeve 210 length.
The tail portion of screw tap 500 is equipped with scale.The scale of 500 tail portion of screw tap is shown screw tap 500 and enters in articular process 1
Trepanning in depth, i.e., screw tap 500 stretch out access sheath 100 length；The internal diameter of screw tap 500 is divided into two sections, screw tap 500
Leading portion internal diameter is identical as the diameter of guide pin 300, for being oriented to；The back segment internal diameter of screw tap 500 is more than the leading portion internal diameter of screw tap 500.
Method is followed closely in the articular process of the present embodiment, is followed closely instrument in the articular process of use, is included the following steps：
1) passage-opening awl 200 is inserted into the guide channel 110 of access sheath 100, the head of the awl 220 of passage-opening awl 200
It is pierced into the position for needing trepanning in articular process 1, carries out trepanning；
2) after the completion of tap operation, awl 220 is taken out from tapered sleeve 210；
3) drill bit 400 is inserted into tapered sleeve 210, the head of drill bit 400 is supported to articular process 1, and drill bit 400 is in 1 institute of articular process
It drills on the hole opened；After the completion of drill bit 400 drills, drill bit 400 is taken out from tapered sleeve 210；
4) one end of guide pin 300 is penetrated into the Kong Zhonghou that drill bit 400 is bored by tapered sleeve 210, by tapered sleeve 210 from guide pin
It is taken out on 300；
5) other end of guide pin 300 is penetrated in the tapering axially extending bore 510 of screw tap 500, makes screw tap 500 along guide pin
300 direction is inserted into guide channel 110, and the head of screw tap 500 is supported to articular process, and screw tap 500 is on the hole that articular process 1 is bored
Tapping is carried out, after the completion of tapping, screw tap 500 is taken out from guide channel 110, and by the other end of guide pin 300 from screw tap 500
Tapering axially extending bore 510 in take out；
6) interarticular screw being installed in articular process 1 10 will be needed to be connect with the bar portion internal thread of screwdriver rod 600；
7) other end of guide pin 300 is penetrated to the nail portion axially extending bore 11 and screwdriver rod 600 of interarticular screw 10 successively
In bar portion axially extending bore 610, interarticular screw 10 and screwdriver rod 600 is made to be inserted into guide channel 110 along the direction of guide pin 300
In, interarticular screw 10 is supported to articular process, Rotating opener bar 600, makes screwdriver rod 600 that interarticular screw 10 be driven to be packed into articular process
In hole on 1；
8) binding circulator 700 is inserted into the rotation card slot 630 of screwdriver rod 600, is driven by binding circulator 700
Sub bar 600 rotates, and screwdriver rod 600 is made to be detached with interarticular screw 10, and by screwdriver rod 600, access sheath 100 and guide pin 300
After removing, sutured.
The method of the present embodiment fast can promptly install interarticular screw 10, shorten operating time, be convenient for simultaneously
Dismounting and cleaning and sterilizing.
Articular process on nail instrument further include：Bone reamer 900, bone reamer 900 can be inserted into guide channel 110；Bone reamer
900 are equipped with the knife portion axially extending bore 910 being inserted into for guide pin 300；In articular process follow closely method step 5) and step 6) it
Between, the other end of guide pin 300 is penetrated in the knife portion axially extending bore 910 of bone reamer 900, makes bone reamer 900 along guide pin 300
Direction is inserted into guide channel 110, the head of bone reamer 900 is supported to articular process 1, tapping of the bone reamer 900 in articular process 1
The aperture in hole grinds recess, the structure phase of the structure of the recess and the junction of post 12 and the head of a nail 13 with interarticular screw 10
It answers；After recess is ground, bone reamer 900 is taken out from guide channel 110, and by the other end of guide pin 300 from bone reamer 900
It is taken out in knife portion axially extending bore 910.The tail portion of bone reamer 900 can be inserted into installation handle 800, in order to install 800 band of handle
Dynamic bone reamer 900 rotates.
In step 5), before 500 tapping of screw tap, guide pin 300 is penetrated to the handle portion axially extending bore 810 of installation handle 800
In, the tail portion of screw tap 500 is inserted into installation handle 800, drives screw tap 500 to rotate in order to install handle 800.
In step 6), when interarticular screw 10 is installed on screwdriver rod 600, binding circulator 700 is inserted into screwdriver rod
In the rotation card slot 630 of 600 other end, binding circulator 700 drives screwdriver rod 600 to rotate, in order to interarticular screw 10
It is installed on screwdriver rod 600.
In step 6) and 7) between, i.e., after interarticular screw 10 is installed on screwdriver rod 600, the other end of screwdriver rod 600
It is inserted into installation handle 800, saves screw of dashing forward, screwdriver rod 600 and installation handle 800 and form an entirety, guide pin 300 sequentially passes through
Interarticular screw 10, screwdriver rod 600 and installation handle 800, installation handle 800 drive bottle opener rotation, and screwdriver rod 600 is with movable joint
Prominent screw 10 is installed in the hole of articular process；It is installed to the Kong Zhonghou of articular process 1 in interarticular screw 10, removes installation handle
800。
As above, instrument is followed closely in the articular process of the utility model, had the advantages that：The utility model can precisely have
Screw way is accomplished fluently to effect, protects proximity of muscle tissue, interarticular screw 10 is fast promptly installed, shortens operating time, together
When easy to disassemble and cleaning and sterilizing.
To sum up, the utility model effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (8)
1. instrument is followed closely in a kind of articular process, for interarticular screw (10) to be mounted on articular process (1), which is characterized in that packet
It includes：Access sheath (100), passage-opening awl (200), guide pin (300), drill bit (400), screw tap (500), screwdriver rod (600) and binding
Circulator (700)；
It is provided with guide channel (110) on the access sheath (100)；
The passage-opening awl (200), including tapered sleeve (210) and awl (220), the tapered sleeve (210) are inserted into described be oriented to and lead to
In road (110), the tapered sleeve (210) is equipped with the open circuit through hole (211) being inserted into for the awl (220)；
The drill bit (400) is inserted into the open circuit through hole (211)；
The screw tap (500), is inserted into the guide channel (110)；The screw tap (500) is equipped with for the guide pin
(300) the tapering axially extending bore (510) being inserted into；
The screwdriver rod (600), is inserted into the guide channel (110), and the screwdriver rod (600) is equipped with for described
The bar portion axially extending bore (610) that guide pin (300) is inserted into；One end of the screwdriver rod (600) is equipped with and the interarticular screw
(10) corresponding bar portion internal thread；The other end of the screwdriver rod (600) be equipped with for the binding circulator (700)
The rotation card slot (630) that head is inserted into；
The interarticular screw (10) is equipped with the nail portion axially extending bore (11) being inserted into for the guide pin (300)；
Flexible positioning piece (120) is additionally provided on the access sheath (100), the positioning end of the flexible positioning piece (120) stretches into
In the guide channel (110), the positioning end of the flexible positioning piece (120) is compressible to be inserted into the guide channel (110)
The tapered sleeve (210) and the screw tap (500).
2. following closely instrument in articular process according to claim 1, it is characterised in that：The rotation card slot (630) is ring-like card
The inner ring surface (631) of slot, the rotation card slot (630) is hexagon, and the outer ring surface (632) of the rotation card slot (630) is circle
Shape；The head of the binding circulator (700) is equipped with mounting groove (710), the inner wall (711) of the mounting groove (710) for institute
Inner ring surface (631) corresponding hexagon of rotation card slot (630) is stated, the outer wall (712) of the mounting groove (710) is and the rotation
The outer ring surface (632) for turning card slot (630) is corresponding round.
3. following closely instrument in articular process according to claim 1, it is characterised in that：Further include：Handle (800) is installed, it is described
Installation handle (800) is equipped with the handle portion axially extending bore being inserted into for the guide pin (300)；The installation handle (800) can
The screw tap (500) and the screwdriver rod (600) is driven to rotate.
4. following closely instrument in articular process according to claim 3, it is characterised in that：The tail portion of the screw tap (500) and described
The other end of screwdriver rod (600) is equipped with jointing (20), and the head of the installation handle (800) is equipped with for the company
The link slot (810) that connector (20) is inserted into.
5. following closely instrument in articular process according to claim 1, it is characterised in that：The flexible positioning piece (120) includes setting
The spring (121) and hoodle (122) for being placed in the access sheath (100) and being connected, the hoodle (122) far from described
One end of spring (121) is stretched into the guide channel (110).
6. following closely instrument in articular process according to claim 1, it is characterised in that：It is convex that the tapered sleeve (210) is equipped with dentation
Portion (212).
7. following closely instrument in articular process according to claim 1, it is characterised in that：The tapered sleeve (210), the drill bit
(400) and on the screw tap (500) it is equipped with scale.
8. following closely instrument in articular process according to claim 1, it is characterised in that：Further include：Bone reamer (900), the bone
Reamer (900) can be inserted into the guide channel (110)；The bone reamer (900) is equipped with is inserted into for the guide pin (300)
Knife portion axially extending bore (910).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424326.8U CN207785236U (en) | 2016-12-23 | 2016-12-23 | Instrument is followed closely in articular process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424326.8U CN207785236U (en) | 2016-12-23 | 2016-12-23 | Instrument is followed closely in articular process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207785236U true CN207785236U (en) | 2018-08-31 |
Family
ID=63273609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621424326.8U Withdrawn - After Issue CN207785236U (en) | 2016-12-23 | 2016-12-23 | Instrument is followed closely in articular process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207785236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725712A (en) * | 2016-12-23 | 2017-05-31 | 上海三友医疗器械股份有限公司 | Followed closely in articular process in apparatus and articular process and follow closely method |
-
2016
- 2016-12-23 CN CN201621424326.8U patent/CN207785236U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106725712A (en) * | 2016-12-23 | 2017-05-31 | 上海三友医疗器械股份有限公司 | Followed closely in articular process in apparatus and articular process and follow closely method |
| CN106725712B (en) * | 2016-12-23 | 2023-07-14 | 上海三友医疗器械股份有限公司 | Articular process nailing device and articular process nailing method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tuoteng (Suzhou) Medical Technology Co.,Ltd. Assignor: SHANGHAI SANYOU MEDICAL Co.,Ltd. Contract record no.: X2021310000036 Denomination of utility model: Supraarticular nail instrument Granted publication date: 20180831 License type: Common License Record date: 20210930 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180831 Effective date of abandoning: 20230714 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180831 Effective date of abandoning: 20230714 |