CN209172415U - A kind of sclerotin is back and forth ground instrument - Google Patents

A kind of sclerotin is back and forth ground instrument Download PDF

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Publication number
CN209172415U
CN209172415U CN201821502936.4U CN201821502936U CN209172415U CN 209172415 U CN209172415 U CN 209172415U CN 201821502936 U CN201821502936 U CN 201821502936U CN 209172415 U CN209172415 U CN 209172415U
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China
Prior art keywords
handle
upper cover
linear actuator
grinding
sclerotin
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Active
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CN201821502936.4U
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Chinese (zh)
Inventor
杜潇
齐继宗
宋勇
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China Medical Instruments (beijing) Co Ltd
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China Medical Instruments (beijing) Co Ltd
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Priority to CN201821502936.4U priority Critical patent/CN209172415U/en
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Abstract

The utility model relates to sclerotin to be ground the field of medical instrument technology, specifically a kind of sclerotin is back and forth ground instrument, it is characterized in that the grinding instrument is by handle, it is fixed on the driving mechanism in handle rear end portion, it is fixed on the drain mechanism at middle part and is fixed on the grinding mechanism composition of handle front end, the handle is made of handle upper cover and handle lower cover, pass through driving mechanism, drain mechanism and grinding mechanism cooperating realize the reciprocal grinding to sclerotin, it is simple with structure, structure is simple, it is easy to use, it is easy to operate, the sclerotin moved back and forth grinding can be achieved, protect soft tissue, safe and reliable the advantages that stablizing.

Description

A kind of sclerotin is back and forth ground instrument
Technical field
The present invention relates to sclerotin to be ground the field of medical instrument technology, and specifically a kind of structure is simple, structure is simple, makes With it is convenient, easy to operate, it can be achieved that move back and forth sclerotin grinding, protection soft tissue, securely and reliably stable sclerotin is toward regrinding Cut instrument.
Background technique
It is well known that having in backbone, joint, wound Orthopeadic Surgery clinical operation and largely needing to carry out sclerotin polishing, cutting Operation, at present mostly with manually or electrically bone saw, osteotome, bone file, rongeur and various shapes design the tools such as bistrique Processing, some tools are chiefly used in the open surgery of big wound, and can operate for the ease of follow-up clinical, such as the peace of prosthese Dress, the poor controllability of tool operation, excessive destruction, such as bone saw, osteotome, bone file are caused to sclerotin in addition.Some tools It is postoperative to bring pessimal stimulation to patient because it can not achieve regular, the smooth sclerotin surface of a wound, such as similar rongeur class Medical treatment device Tool.Although bistrique head sizes are smaller, efficient grinding can also be realized, because it can not achieve the protection to soft tissue, so The grinding being chiefly used under pure sclerotin environment, is chiefly used in gear division.In the field of spinal surgery of anatomical structure load, have largely due to vertebra Disk protrusion, stenosis of disc space etc. lead to the patient of neurothlipsis, use implantation Invasive lumbar fusion device in clinic more, restore intervertenral space Mode Deng implantation orthopaedics implant is operated, in clinic to need to destroy original sclerotin, such as inferior articular process more, is derived from ilium body bone Bone grafting is carried out, since its operating time is long, at high cost, wound is big, brings huge body and financial burden to patient, and have Literature research shows that the strong fixation that implantation material is formed will increase the activity burden in joint, will cause adjacent segment over time Acceleration failure.
Summary of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, provide that a kind of structure is simple, structure is simple, user Just, easy to operate, it can be achieved that the sclerotin grinding that moves back and forth, protection soft tissue, securely and reliably stable sclerotin are back and forth ground instrument.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of sclerotin is back and forth ground instrument, it is characterised in that the grinding instrument by handle, be fixed on the driving machine in handle rear end portion Structure, the drain mechanism for being fixed on middle part and the grinding mechanism for being fixed on handle front end composition, the handle is by handle upper cover It is formed with handle lower cover, the medial surface in the middle part of the handle upper cover and handle lower cover is equipped with respectively in axial direction to be worn for driving mechanism That crosses passes through slot, and the intake chute flowed through for the liquid of drain mechanism, the handle upper cover and handle are equipped with across the side of slot The front end medial surface of lower cover is equipped with storing for grinding mechanism and stores with the grinding mechanism that slot and intake chute are connected is passed through The rear end medial surface of slot, handle upper cover and handle lower cover is equipped with storing for driving mechanism front end and is connected with across slot Driving mechanism accommodating groove, lid is equipped with the intercommunicating pore being connected with drain mechanism, institute on the handle of the intake chute upper end The driving mechanism stated is located in driving mechanism accommodating groove, and driving mechanism is made of linear actuator and drive rod, the driving The front end of linear actuator is put in driving mechanism accommodating groove and inconsistent with slot is passed through in mechanism, is passed through and is equipped with transmission in slot Bar, the rear end of the drive rod in slot is pierced into the output shaft of linear actuator to be connected with linear actuator, drive rod Front end is connected with grinding mechanism, and the grinding mechanism is located in grinding mechanism accommodating groove, and grinding mechanism is by file piece and connection Bar composition, the rear end of the connecting rod are connected with drive rod, and the front end of connecting rod is connected with file piece, and file piece stretches out handle The front end of upper cover and handle lower cover is in exposed shape, and the exposed file on piece is laid with grinding protrusion, passes through linear drives Device drives the straight reciprocating motion of drive rod, and then the reciprocating motion of file piece is driven to realize grinding, and the drain mechanism is by leading Liquid pipe and connector composition, the intercommunicating pore that the lower end of the catheter passes through on handle on lid are connected with intake chute, drain The upper end of pipe is connected with connector, and in tubular construction, the lower end of connector is connected the connector with catheter, connection The upper end of head is connected with the injection device of injecting fluid, and flushing liquid, flushing liquor are injected into connector by injection device Body, which is flowed out along catheter, intake chute from handle front end, realizes flushing, passes through driving mechanism, drain mechanism and grinding mechanism and cooperates The reciprocal grinding to sclerotin is realized in work.
The front end of handle lower cover of the present invention and handle upper cover is in flat, the rear end of handle upper cover and handle lower cover Section is in semicircle shape, and handle is facilitated to operate.
The arranged on left and right sides of the lower end surface of handle upper cover of the present invention is respectively equipped with connection boss, handle lower cover it is upper The arranged on left and right sides of end face be respectively equipped with the connecting groove that connect boss and match, handle upper cover and handle lower cover are convex through connecting Platform is connected with connecting groove, facilitates the installation and removal of handle.
The front end of handle lower cover of the present invention stretch out handle upper cover and be equipped with towards handle upper cover direction it is curved with Handle lower cover is in 10 degree ~ 60 degree of guiding arc plate, and the file piece and guiding arc plate are inconsistent, makes to file piece along guiding arc plate side To reciprocating movement, facilitate grinding sclerotin.
Stiffener plate is equipped in guiding arc plate of the present invention, the stiffener plate is equipped with file piece guide groove, adds The lower end of strengthening tendons plate is connected with guiding arc plate, and file piece is located in file piece guide groove and moves back and forth, and increases the stabilization of file piece Property.
The handle upper cover and handle lower cover medial surface covered on rear side of intercommunicating pore on handle of the present invention are equipped with seal groove, Sealing ring is equipped in seal groove, sealing ring is socketed in the closing on drive rod and realizing intake chute, prevents liquid from flowing into driving machine In the linear actuator of structure, linear actuator is damaged.
The leading exterior surface of handle upper cover of the present invention and handle lower cover is equipped with binding groove circumferentially, in binding groove Equipped with tight loop, pass through tight loop fixed handle upper cover and handle lower cover.
Intercommunicating pore on handle of the present invention on lid is set as facilitating liquid towards the inclined oblique hole in handle front lower place Input.
Handle lower cover of the present invention is equipped with limit hole below the rear end of slot, is equipped in the limit hole Inserted sheet is limited, the limit inserted sheet is made of inserting handle, plug, and the upper end of the inserting handle sets that there are two plug, described two is slotting Head is injected in limit hole and is connected on the limiting slot that drive rod front and rear sides is equipped with, and realizes the limit of drive rod position, in turn The initial position of limit file piece.
Handle upper cover of the present invention and handle lower cover are through connector sleeve component and the linear actuator phase in driving mechanism It connects, is laid with clamping boss under the handle upper cover and handle on lid, the linear actuator of the stretching handle It is equipped with circumferentially raised annular convex platform, the clamping that the connector sleeve component is connected under handle upper cover and handle on lid is convex Being connected and fixed for handle and linear actuator, the connector sleeve component are realized between annular convex platform on platform and linear actuator It is made of connector sleeve, stop collar, check ring and wave spring, uniformly distributed L-type is equipped with inside the front end of the connector sleeve and is oriented to Boss, the rear end inner wall of connector sleeve are equipped with annular groove, stop collar are equipped in connector sleeve, and stop collar contradicts the guiding in connector sleeve At boss, the rear side of stop collar is equipped with wave spring, and the rear side of wave spring is equipped with check ring, and the circumference of check ring is equipped with annular even Consecutive, annular connected unit is connected to the fixation that check ring is realized inside the annular groove of connector sleeve, by connector sleeve along straight Line drive is socketed at handle upper cover and handle lower cover, and the clamping boss under handle upper cover and handle on lid slides into connector sleeve L-type guide ledges in and axially rotation connection set realize connector sleeve be socketed between handle and linear actuator, due to wave spring It is extruded, guarantees handle and linear actuator connection stability and reliability.
The present invention due to the grinding instrument by handle, the driving mechanism that is fixed on handle rear end portion, the drain for being fixed on middle part Mechanism and the grinding mechanism composition for being fixed on handle front end, pass through driving mechanism, drain mechanism and grinding mechanism cooperating It realizes reciprocal grinding to sclerotin, has that structure is simple, structure is simple, easy to use, easy to operate, it can be achieved that moving back and forth Sclerotin grinding, protection soft tissue, safe and reliable the advantages that stablizing.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the section view of Fig. 1.
Fig. 4 is the structural schematic diagram of the handle lower cover in Fig. 2.
Fig. 5 is the structural schematic diagram of the handle upper cover in Fig. 2.
Fig. 6 is the structural schematic diagram of grinding mechanism in Fig. 2.
Fig. 7 is the structural schematic diagram of stiffener plate in Fig. 2.
Fig. 8 is the structural schematic diagram of inserted sheet in Fig. 2.
Fig. 9 is the structural schematic diagram of connector sleeve in Fig. 2.
Figure 10 is the structural schematic diagram of check ring in Fig. 2.
Figure 11 is partial enlarged view in Fig. 3.
Specific embodiment
The following further describes the present invention with reference to the drawings:
As shown in the picture, a kind of sclerotin is back and forth ground instrument, it is characterised in that the grinding instrument by handle, be fixed on handle rear end The driving mechanism in portion, the drain mechanism for being fixed on middle part and the grinding mechanism for being fixed on handle front end composition, the handle It is made of handle upper cover 1 and handle lower cover 2, the medial surface at 2 middle part of the handle upper cover 1 and handle lower cover is set respectively in axial direction Have and pass through slot 3 for what driving mechanism passed through, the intake chute 4 flowed through for the liquid of drain mechanism is equipped with across the side of slot 3, it is described Handle upper cover 1 and handle lower cover 2 front end medial surface be equipped with it is store for grinding mechanism and with across slot 3 and intake chute 4 The rear end medial surface of the grinding mechanism accommodating groove 5 being connected, handle upper cover 1 and handle lower cover 2 is equipped with for driving mechanism front end Driving mechanism accommodating groove 6 that is that portion is stored and being connected with across slot 3, the handle upper cover 1 of 4 upper end of intake chute are equipped with The intercommunicating pore 7 being connected with drain mechanism, the driving mechanism are located in driving mechanism accommodating groove 6, and driving mechanism is by straight line Driver 8 and drive rod 9 form, and the front end of linear actuator 8 is put in driving mechanism accommodating groove 6 in the driving mechanism And it is inconsistent with slot 4 is passed through, it passes through and is equipped with drive rod 9 in slot 4, linear actuator is pierced into the rear end of the drive rod 9 in slot 4 It is connected in 8 output shaft with linear actuator 8, the front end of drive rod 9 is connected with grinding mechanism, and the grinding mechanism is set In grinding mechanism accommodating groove 5, grinding mechanism is made of file piece 10 and connecting rod 11, the rear end of the connecting rod 11 and transmission Bar 9 is connected, and the front end of connecting rod 11 is connected with file piece 10, and file piece 10 stretches out handle upper cover 1 and the front end of handle lower cover 2 is in Exposed shape is laid with grinding protrusion 12 on the exposed file piece 10, passes through linear actuator 8 and drives the straight of drive rod 9 Line moves back and forth, and then the reciprocating motion of file piece 10 is driven to realize grinding, and the drain mechanism is by catheter 13 and connector 14 compositions, the intercommunicating pore 7 that the lower end of the catheter 13 passes through in handle upper cover 1 are connected with intake chute 4, catheter 12 Upper end is connected with connector 14, and in tubular construction, the lower end of connector 14 is connected the connector 14 with catheter 12, The upper end of connector 14 is connected with the injection device of injecting fluid, and flushing liquid is injected into connector by injection device, Flushing liquid, which is flowed out along catheter 12, intake chute 4 from handle front end, realizes flushing, passes through driving mechanism, drain mechanism and mill Cut mechanism cooperating and realize reciprocal grinding to sclerotin, the front end of the handle lower cover 1 and handle upper cover 2 in flat, Handle upper cover 1 and the rear end section of handle lower cover 2 are in semicircle shape, and handle is facilitated to operate, the lower end surface of the handle upper cover 1 Arranged on left and right sides is respectively equipped with connection boss 15, and the arranged on left and right sides of the upper surface of handle lower cover 2 is respectively equipped with and connect boss 15 The connecting groove 16 matched, handle upper cover 1 and handle lower cover 2 are connected through connection boss 15 with connecting groove 16, facilitate hand The installation and removal of handle, the front end of the handle lower cover 2, which is stretched out handle upper cover 1 and is equipped with towards 1 direction of handle upper cover, to be bent Be in 10 degree ~ 60 degree of guiding arc plate 17 with handle lower cover 2, the file piece 10 and to be oriented to arc plate 17 inconsistent makes file piece 10 It is moved back and forth along guiding 17 direction of arc plate, facilitates grinding sclerotin, stiffener plate 18 is equipped in the guiding arc plate 17, it is described Stiffener plate 18 be equipped with file piece guide groove 35, the lower end of stiffener plate 18 is connected with guiding arc plate 17, files piece 10 and is located at It is moved back and forth in file piece guide groove 35, increases the stability of file piece 10,7 rear side of intercommunicating pore in the handle upper cover 1 Handle upper cover 1 and 2 medial surface of handle lower cover are equipped with seal groove, are equipped with sealing ring 19 in seal groove, sealing ring 19 is socketed in transmission It on bar 9 and realizes the closing of intake chute 4, prevents liquid from flowing into the linear actuator of driving mechanism, linear actuator is caused The leading exterior surface of damage, the handle upper cover 1 and handle lower cover 2 is equipped with binding groove 21 circumferentially, sets in binding groove 21 There is tight loop 22, by 22 fixed handle upper cover 1 of tight loop and handle lower cover 2, the intercommunicating pore 7 in the handle upper cover 1 is set To facilitate the input of liquid, the rear end across slot 3 of the handle lower cover 2 towards the inclined oblique hole in handle front lower place Lower section is equipped with limit hole 22, limit inserted sheet is equipped in the limit hole 22, the limit inserted sheet is by 24 groups of inserting handle 23, plug At the upper end of the inserting handle 23 is set there are two plug 24, and two plugs 24 inject in limit hole 22 and are connected to transmission On the limiting slot 25 that 9 front and rear sides of bar is equipped with, the limit of 9 position of drive rod is realized, and then limit the initial position of file piece 10, The handle upper cover 1 and handle lower cover 2 is connected through connector sleeve component with the linear actuator 8 in driving mechanism, described Clamping boss 26 is laid in handle upper cover 1 and handle lower cover 2, the linear actuator 8 of the stretching handle is equipped with Circumferentially raised annular convex platform 27, the connector sleeve component are connected to the clamping boss in handle upper cover 1 and handle lower cover 2 26 and linear actuator 8 on annular convex platform 27 between realize being connected and fixed for handle and linear actuator 8, the connector sleeve Component is made of connector sleeve 28, stop collar 29, check ring 30 and wave spring 31, is equipped with inside the front end of the connector sleeve 28 Uniformly distributed L-type guide ledges 32, the rear end inner wall of connector sleeve 28 are equipped with annular groove 34, are equipped with stop collar 29 in connector sleeve 28, Stop collar 29 contradicts at the guide ledges 32 of connector sleeve 28, and the rear side of stop collar 29 is equipped with wave spring 32, and the rear side of wave spring 32 is set There is check ring 30, the circumference of check ring 30 is equipped with annular connected unit 33, and annular connected unit 33 is connected to connector sleeve 28 The fixation that check ring 30 is realized inside annular groove 34, is socketed in handle upper cover 1 along linear actuator 8 by connector sleeve 28 At handle lower cover 2, the clamping boss 26 in handle upper cover 1 and handle lower cover 2 slides into the L-type guide ledges 32 in connector sleeve 28 It is interior and axially rotation connection set realize connector sleeve 28 be socketed between handle and linear actuator 8, since wave spring 31 is extruded, protect Handle and 8 connection stability and reliability of linear actuator are demonstrate,proved, linear actuator 8 of the present invention is set as being reciprocally moveable Linear motor etc. other can drive the instrument of drive rod straight reciprocating, which is the prior art, this is not repeated.
In the use of the present invention, all parts that the sclerotin is back and forth ground instrument are carried out assembling installation, after being installed, beat Linear actuator 8 is opened, inserted sheet is extracted, then drive rod passing through in handle under the action of linear actuator 8 carries out in slot 3 It moving back and forth, drive rod 9 drives connecting rod 11, and it is final that file piece 10 is driven to move back and forth, and then realize the grinding to sclerotin, During grinding, the infusion device connected by connector 14 carries out input cleaning solution to the intake chute 4 in handle, cleaning Liquid is flowed along intake chute 4 and is finally flowed out by handle front end, realizes cleaning, and after the completion of work, inserted sheet injects handle lower cover On, two plugs 24 on inserted sheet are injected in limit hole 22 and are connected on the limiting slot 25 that 9 front and rear sides of drive rod is equipped with, real The limit of existing 9 position of drive rod, and then the initial position of file piece 10 is limited, facilitate the use of next time, the file piece 10 in the present invention It is equipped with convex curvature, convex curvature is equipped with grinding protrusion 12, facilitates the grinding of file piece 10, and filing can in piece 10 or connecting rod 11 Equipped with chuck, the limit in the course of work is realized, the rear end of drive rod 6 is equipped with the card slot being connected with linear actuator 5, the card Slot is connected with linear actuator 8, facilitates linear actuator 8 to drive the reciprocating movement of drive rod 9, under the connector 14 End is equipped with taper guide surface, the convenient connection with catheter 13, and the rear end of connector 14 is set as internal screw thread, convenient and injecting apparatus Be connected, the lower end of catheter 13 in the present invention is fixed on intercommunicating pore 7 by glue, check ring 30 and connector sleeve 28 it Between by glue adhesion, increase the stability of connection.

Claims (10)

1. a kind of sclerotin is back and forth ground instrument, it is characterised in that the grinding instrument by handle, the driving mechanism that is fixed on handle rear end portion, It is fixed on the drain mechanism at middle part and is fixed on the grinding mechanism composition of handle front end, the handle is by handle upper cover and hand Handle lower cover composition, the medial surface in the middle part of the handle upper cover and handle lower cover is equipped with respectively in axial direction to be passed through for driving mechanism Across slot, the intake chute flowed through for the liquid of drain mechanism, the handle upper cover and handle lower cover are equipped with across the side of slot Front end medial surface be equipped with grinding mechanism accommodating groove that is store for grinding mechanism and being connected with across slot and intake chute, hand The rear end medial surface of handle upper cover and handle lower cover is equipped with drive that is storing for driving mechanism front end and being connected with across slot Motivation structure accommodating groove, lid is equipped with the intercommunicating pore being connected with drain mechanism on the handle of the intake chute upper end, described Driving mechanism is located in driving mechanism accommodating groove, and driving mechanism is made of linear actuator and drive rod, the driving mechanism The front end of middle linear actuator puts in driving mechanism accommodating groove and inconsistent with slot is passed through, and passes through and is equipped with drive rod in slot, The rear end of drive rod in slot is pierced into the output shaft of linear actuator to be connected with linear actuator, the front end of drive rod It is connected with grinding mechanism, the grinding mechanism is located in grinding mechanism accommodating groove, and grinding mechanism is by file piece and connecting rod group At the rear end of the connecting rod is connected with drive rod, and the front end of connecting rod is connected with file piece, and file piece stretches out handle upper cover Front end with handle lower cover is in exposed shape, and the exposed file on piece is laid with grinding protrusion, passes through linear actuator band The straight reciprocating motion of dynamic drive rod, and then the reciprocating motion of file piece is driven to realize grinding, the drain mechanism is by catheter It is formed with connector, the intercommunicating pore that the lower end of the catheter passes through on handle on lid is connected with intake chute, catheter Upper end is connected with connector, and in tubular construction, the lower end of connector is connected the connector with catheter, connector Upper end is connected with the injection device of injecting fluid, and flushing liquid, flushing liquid edge are injected into connector by injection device Catheter, intake chute from handle front end flow out realize rinse, pass through driving mechanism, drain mechanism and grinding mechanism cooperating Realize the reciprocal grinding to sclerotin.
2. a kind of sclerotin according to claim 1 is back and forth ground instrument, it is characterised in that on the handle lower cover and handle In flat, the rear end section of handle upper cover and handle lower cover is in semicircle shape for the front end of lid.
3. a kind of sclerotin according to claim 1 is back and forth ground instrument, it is characterised in that the lower end surface of the handle upper cover Arranged on left and right sides be respectively equipped with connection boss, the arranged on left and right sides of the upper surface of handle lower cover is respectively equipped with and connect boss matching The connecting groove of conjunction, handle upper cover and handle lower cover are connected through connection boss with connecting groove.
4. a kind of sclerotin according to claim 1 is back and forth ground instrument, it is characterised in that stretch the front end of the handle lower cover Handle upper cover and to be equipped with curved towards handle upper cover direction be in 10 degree ~ 60 degree of guiding arc plate with handle lower cover out, it is described It files piece and guiding arc plate is inconsistent, make to file piece along the reciprocating movement of guiding arc plate direction, facilitate grinding sclerotin.
5. a kind of sclerotin according to claim 4 is back and forth ground instrument, it is characterised in that be equipped with and add in the guiding arc plate Strengthening tendons plate, the stiffener plate are equipped with file piece guide groove, and the lower end of stiffener plate is connected with guiding arc plate, and file piece is located at It is moved back and forth in file piece guide groove, increases the stability of file piece.
6. a kind of sclerotin according to claim 1 is back and forth ground instrument, it is characterised in that cover intercommunicating pore on the handle The handle upper cover and handle lower cover medial surface of rear side are equipped with seal groove, are equipped with sealing ring in seal groove, sealing ring is socketed in transmission It on bar and realizes the closing of intake chute, prevents liquid from flowing into the linear actuator of driving mechanism, linear actuator is caused to damage It is bad.
7. a kind of sclerotin according to claim 1 is back and forth ground instrument, it is characterised in that under the handle upper cover and handle The leading exterior surface of lid is equipped with binding groove circumferentially, is equipped with tight loop in binding groove, by tight loop fixed handle upper cover and Handle lower cover.
8. a kind of sclerotin according to claim 1 is back and forth ground instrument, it is characterised in that the connection on the handle on lid Hole is set as facilitating the input of liquid towards the inclined oblique hole in handle front lower place.
9. a kind of sclerotin according to claim 1 is back and forth ground instrument, it is characterised in that the handle lower cover passes through slot Rear end below be equipped with limit hole, limit inserted sheet is equipped in the limit hole, the limit inserted sheet is by inserting handle, plug group At the upper end of the inserting handle is set there are two plug, and two plugs inject in limit hole and are connected to drive rod forward and backward two On the limiting slot that side is equipped with, the limit of drive rod position is realized, and then limit the initial position of file piece.
10. a kind of sclerotin according to claim 1 is back and forth ground instrument, it is characterised in that under the handle upper cover and handle Lid is connected through connector sleeve component with the linear actuator in driving mechanism, uniformly sets on lid under the handle upper cover and handle There is clamping boss, the linear actuator of the stretching handle is equipped with circumferentially raised annular convex platform, the connection Set component is connected between the annular convex platform on the clamping boss and linear actuator under handle upper cover and handle on lid and realizes hand Handle and linear actuator are connected and fixed, and the connector sleeve component is made of connector sleeve, stop collar, check ring and wave spring, Uniformly distributed L-type guide ledges are equipped with inside the front end of the connector sleeve, the rear end inner wall of connector sleeve is equipped with annular groove, even Stop collar is equipped in female connector, stop collar contradicts at the guide ledges of connector sleeve, and the rear side of stop collar is equipped with wave spring, after wave spring Side is equipped with check ring, and the circumference of check ring is equipped with annular connected unit, and the annular that annular connected unit is connected to connector sleeve is recessed The fixation that check ring is realized inside slot, is socketed at handle upper cover and handle lower cover by connector sleeve along linear actuator, Clamping boss under handle upper cover and handle on lid slides into the L-type guide ledges in connector sleeve and is axially rotatablely connected set and realizes Connector sleeve is socketed between handle and linear actuator, and since wave spring is extruded, it is steady to guarantee that handle is connect with linear actuator Qualitative and reliability.
CN201821502936.4U 2018-09-14 2018-09-14 A kind of sclerotin is back and forth ground instrument Active CN209172415U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821502936.4U CN209172415U (en) 2018-09-14 2018-09-14 A kind of sclerotin is back and forth ground instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821502936.4U CN209172415U (en) 2018-09-14 2018-09-14 A kind of sclerotin is back and forth ground instrument

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111012436A (en) * 2020-01-09 2020-04-17 博能华医疗器械(北京)有限公司 Intervertebral foramen mirror down variable angle flat file grinding device
CN112451038A (en) * 2020-11-30 2021-03-09 上海千健医药科技有限公司 Bionic biological bone spur grinding method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111012436A (en) * 2020-01-09 2020-04-17 博能华医疗器械(北京)有限公司 Intervertebral foramen mirror down variable angle flat file grinding device
CN112451038A (en) * 2020-11-30 2021-03-09 上海千健医药科技有限公司 Bionic biological bone spur grinding method

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