CN109700571A - Conveyer and its transportation system - Google Patents
Conveyer and its transportation system Download PDFInfo
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- CN109700571A CN109700571A CN201811641345.XA CN201811641345A CN109700571A CN 109700571 A CN109700571 A CN 109700571A CN 201811641345 A CN201811641345 A CN 201811641345A CN 109700571 A CN109700571 A CN 109700571A
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- guide rod
- engaging structure
- engaging
- sliding handle
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Abstract
The invention discloses a kind of conveyers, including guide rod and the sliding handle being sheathed on guide rod, at least two first engaging structures are equipped with along the axially spaced-apart of guide rod on the outer wall of guide rod, the inner wall of sliding handle is equipped at least one second engaging structure, circumferential along guide rod rotates sliding handle towards first direction, until sliding handle is static relative to the axial direction of guide rod when at least two first engaging structures are engaged at least one second engaging structure；Circumferential along guide rod rotates sliding handle towards second direction, until sliding handle is axially movable relative to guide rod when at least two first engaging structures are engaged with the releasing of at least one second engaging structure；First direction is identical or opposite as second direction.The structure of the conveyer is simple, and it is convenient to operate, and can be realized the gradually release to bracket, can guarantee that bracket release is safe and reliable during the release of bracket, reduce operation risk, improve the safety of clinical operation.
Description
Technical field
The present invention relates to the field of medical instrument technology, and in particular to the conveying of insertion type medical instrument, more particularly to it is a kind of
Conveyer and its transportation system.
Background technique
In recent years, the important hand that treatment has become healing patient is carried out using interventional therapy mode for cardiovascular disease
Section.With the continuous development of interventional technique, the advantage day for treating aortic aneurysm and artery dissection disease using overlay film frame is aobvious prominent
Out, overlay film frame refers to the artificial blood vessel being adapted with vessel size, it is mainly made of the bracket of overlay film and support overlay film, covers
Film is usually to be made of terylene or e-PTFE film, and supporting support is mainly woven by stainless steel wire or nitinol alloy wire.Overlay film
Bracket use process is first to compress bracket into the sheath tube chamber of bracket conveyer, is typically chosen in femoral artery or common iliac artery position
Puncture vessel is set, establishes track using seal wire, by conveyer through common iliac artery-abdominal aorta-aorta pectoralis-arch of aorta-
Aorta ascendens establishes transport path, and then is transported to lesion designated position, then discharges bracket, and bracket release is close to dynamic after opening
The overlay film of arteries and veins tumor tube wall, bracket completely cuts off blood flow and diseased region, eliminates impact of the blood flow to diseased region aneurysm wall, establishes
Then seal wire and conveyer are withdrawn from the channel of blood normal circulation, realize the interventional therapy to aneurysm and artery dissection.
In the prior art, support system delivery mode is to first pass through conveyer overlay film frame is transported to angiomatous pre- finger
Positioning, which is set, to be positioned, and is then withdrawn sheath and is carried out overlay film frame release, overlay film frame discharges opening completely.But implantation is covered
In the clinic of membrane support system, overlay film frame system includes multiple overlay film frames, needs to be implanted into one by one, entire in order to guarantee
Overlay film frame system is in safely and effectively state, generally requires the overlay film frame being first implanted into carrying out part release, and right
The position of the overlay film frame of part release and state locking, then the implantation of other overlay film frames is carried out, it is planted to other overlay film frames
After the completion of entering, the overlay film frame being first implanted into is unlocked again, continues safely and effectively release.
But in the prior art, the structure of conveyer cannot achieve the gradually release to overlay film frame, and in overlay film branch
Positioning locking is carried out to overlay film frame during frame release, to can not effectively meet clinical use demand.
Summary of the invention
The object of the present invention is to provide a kind of conveyer and its transportation system, which can make the implants such as bracket exist
It realizes during release and gradually discharges, while ensuring entirely discharge process safety, effective, after holder part discharges, Ke Yishi
Positioning locking now is carried out to the release of bracket, and positioning security is reliable, after bracket discharges positioning locking unlock, bracket is not
Release part can safely and effectively continue to be released, thus convenience and reliability during improving clinical manipulation, into
And operation risk is reduced, the safety of clinical operation is improved, the purpose of the invention is achieved through the following technical solutions:
The present invention provides a kind of conveyer, including guide rod and the sliding handle that is sheathed on guide rod, edge on the outer wall of guide rod
The axially spaced-apart of guide rod is equipped at least two first engaging structures, and the inner wall of sliding handle is equipped at least one second engagement knot
Structure, circumferential along guide rod rotate sliding handle towards first direction, until at least two first engaging structures and at least one the
When two engaging structures engage, sliding handle is static relative to the axial direction of guide rod；It is slided along circumferential rotated towards second direction of guide rod
Fixed handle, until sliding handle is opposite when at least two first engaging structures are engaged with the releasing of at least one second engaging structure
It is axially movable in guide rod；Wherein, first direction is identical or opposite as second direction.
The present invention also provides a kind of transportation systems, including implant and above-mentioned conveyer.
Conveyer provided by the present invention compared with prior art, has the advantages that
The gradually release to bracket can be achieved in axial movement by control sliding handle with respect to guide rod, utilizes guide rod outer wall
On at least two first engaging structures and sliding handle at least one the second engaging structure for being arranged engage realization to cunning
The positioning of fixed handle position, so that the positioning locking discharged to bracket is realized, by releasing at least two first engaging structure
At least one the second engaging structure engages, it can be achieved that bracket continues to discharge, so that bracket releasing during release with this
Degree of lengthening is controllable.The structure of the conveyer is simple, and it is convenient to operate in use process, meanwhile, it is capable to realize gradually releasing to bracket
It puts, and can guarantee the safe and reliable of bracket release during the release of bracket, to reduce operation risk, improve clinical
The safety of operation.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the surface structure schematic diagram of conveyer provided by the present invention；
Fig. 2 is structural schematic diagram of the conveyer of first embodiment of the invention when bracket is completely in compressive state；
Fig. 3 is structural schematic diagram of the conveyer of first embodiment of the invention when bracket is in half release conditions；
Fig. 4 is structural schematic diagram of the conveyer of first embodiment of the invention when bracket is in release completely；
Fig. 5 is the structural schematic diagram of the sheath of the conveyer of first embodiment；
Fig. 6 is the partial structure diagram of the guide rod of the conveyer of first embodiment；
Fig. 7 is the partial structure diagram of the sliding handle of the conveyer of first embodiment；
Fig. 8 is structural representation when the first engaging structure of the conveyer of first embodiment does not engage with the second engaging structure
Scheme (portion intercepts)；
Fig. 9 is structural representation when the first engaging structure of the conveyer of first embodiment does not engage with the second engaging structure
Scheme (along guide rod radial cross-section)；
Figure 10 is structural representation when the first engaging structure of the conveyer of first embodiment is engaged with the second engaging structure
Scheme (portion intercepts)；
Figure 11 is structural representation when the first engaging structure of the conveyer of first embodiment is engaged with the second engaging structure
Scheme (along guide rod radial cross-section)；
Figure 12 is the partial structure diagram of the guide rod of the conveyer of second embodiment；
Figure 13 is the partial structure diagram of the sliding handle of the conveyer of second embodiment；
Figure 14 is that structure when the first engaging structure of the conveyer of second embodiment does not engage with the second engaging structure is shown
It is intended to (portion intercepts)；
Figure 15 is structural representation when the first engaging structure of the conveyer of second embodiment is engaged with the second engaging structure
Scheme (portion intercepts)；
Figure 16 is the partial structure diagram of the guide rod of the conveyer of 3rd embodiment；
Figure 17 is the partial structure diagram of the sliding handle of the conveyer of 3rd embodiment；
Figure 18 is that structure when the first engaging structure of the conveyer of 3rd embodiment does not engage with the second engaging structure is shown
It is intended to (portion intercepts)；
Figure 19 is structural representation when the first engaging structure of the conveyer of 3rd embodiment is engaged with the second engaging structure
Scheme (portion intercepts).
Appended drawing reference:
100 be conveyer, and 200 be bracket；
1 is sliding handle, and 10 be the second engaging structure, and 11 be tooth-shape structure, and 111 be the first limited block, and 112 be the second limit
Position slot, 12 be baffle, and 121 be first baffle, and 122 be second baffle；
2 be guide rod, and 21 be axial slide, and 22 be the first engaging structure, and 221 be the first limiting slot, and 222 be the second limit
Block, 23 be circumferential sliding slot, and 24 be the first locating part, and 25 be the second locating part；
3 be fixed handle；
4 be sheath, and 41 be tube body, and 42 be connector portions, and 43 be interconnecting piece；
5 be push rod；
6 be sheath core pipe；
7 be end.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened is fully disclosed to those skilled in the art.
It should be noted that in interventional medical device field, it will generally be implanted into human body or the intracorporal medical instrument of animal
It is known as " proximal end " apart from the closer one end of operator, " distal end " will be known as apart from the farther away one end of operator, and according to this principle
Define " proximal end " and " distal end " of the either component of medical instrument." axial direction " generally refers to length of the medical instrument when being conveyed
Direction, " radial direction " generally refers to the direction vertical with its " axial direction " of medical instrument, and defines medical instrument according to this principle
" axial direction " and " radial direction " of either component.
Conveyer of the invention can be used for but be not limited to the conveying of the Interventionals implantation material such as bracket, plugging device, herein will be with
The structure and function of conveyer of the present invention is discussed in detail for overlay film frame.Overlay film frame involved in the present invention refers to bare bracket
Surface is covered with the structure after film, and bare bracket refers to including not having film between multiple wavy annular objects and each wavy annular object
Structure.
Below with reference to the specific embodiment technical solution that present invention be described in more detail.
First embodiment:
Please refer to Fig. 1, Fig. 6 and Fig. 7, first embodiment provides a kind of conveyer 100, including guide rod 2 and being sheathed on is led
Sliding handle 1 on bar 2 is equipped at least two first engaging structures 22 along the axially spaced-apart of guide rod 2 on the outer wall of guide rod 2, sliding
The inner wall of fixed handle 1 is equipped at least one second engaging structure 10, and circumferential along guide rod 2 rotates sliding hand towards first direction
Handle 1, until at least two first engaging structures 22 are at least one second engaging structure 10 when engaging, sliding handle 1 relative to
The axial direction of guide rod 2 is static；Circumferential along guide rod 2 rotates sliding handle 1 towards second direction, until at least two first engagement knots
When structure 22 is engaged with the releasing of at least one second engaging structure 10, sliding handle 1 is axially movable relative to guide rod 2.
Specifically, the quantity of the first engaging structure 22 is multiple in the present embodiment, and each first engaging structure 22 is along leading
The axial direction of bar 2 is arranged at equal intervals, and two adjacent the first engaging structures are enclosed one along the axial direction of guide rod 2 and circumferentially slide
Slot 23, the quantity of the second engaging structure 10 are two, the multiple baffles 12 being arranged on the inner wall of sliding handle 1 (such as first gear
Plate 121 and second baffle 122) interval setting, the second engaging structure 10 includes first baffle 121 and tooth-shape structure 11, first gear
Plate 121 and second baffle 122 are semi-circular sheet plate, and are arranged on the inner wall of sliding handle 1, and tooth-shape structure 11 is arranged
Near the side of the central axes of sliding handle 1, one end and the first baffle 121 of tooth-shape structure 11 on first baffle 121
One end is concordant, and the length of tooth-shape structure 11 is less than the length of first baffle 121, the width and first baffle 121 of tooth-shape structure 11
Width it is equal or close.
Transportation system includes bracket and conveyer 100, when needing to determine by releasing position of the sliding handle 1 to bracket
When the locking of position, by sliding handle 1, to first direction, (first direction refers to the second engaging structure 10 along circumferential close the of guide rod 2
Each direction of one engaging structure 22, such as the clockwise direction relative to guide rod 2) rotation, the second engaging structure 10 is along guide rod 2
Circumferential sliding slot 23 is circumferentially slid into, and tooth-shape structure 11 is contained in circumferential sliding slot 23, as a result, the second engaging structure 10 and the circumferential direction
Two neighboring first engaging structure 22 engagement where sliding slot 23, sliding handle 1 can not be with respect to the axial movement of guide rod 2, at this time
Sliding handle 1 is in the state for being locked up positioning.When needing to release the state to the positioning locking of sliding handle 1, hand will be slided
To second direction, (second direction refers to direction of second engaging structure 10 far from each first engaging structure 22 to handle 1, such as with first
Contrary direction) rotation, two neighboring first engaging structure 22 is located remotely from each other with the second engaging structure 10, when the second engagement knot
When any a part of structure 10 is not in circumferential sliding slot 23, which second engages with this
Structure 10 releases engagement, at this point, sliding handle 1 can be along the axial movement of guide rod 2.
The release to bracket 200 can be achieved in axial movement by sliding handle 1 with respect to guide rod 2, is tied using the first engagement
Structure 22 engages the positioning locking realized to sliding handle 1 with two neighboring second engaging structure 10, to realize to bracket 200
The positioning locking of release；By releasing the engaging, it can be achieved that propping up of the first engaging structure 22 and two neighboring second engaging structure 10
Frame 200 continues to discharge, and the structure of the conveyer 100 is simple, and it is convenient to operate in use process, meanwhile, it is capable to realize to bracket
200 gradually release, and can guarantee that bracket 200 discharges safe and reliable during the release of bracket 200, to reduce
Operation risk improves the safety of clinical operation.
Above-mentioned each first engaging structure 22 is tooth-shape structure, and the length direction and guide rod of each first engaging structure 22
2 central axes are vertical or the angle with one less than 90 °；The length of the length direction of tooth-shape structure 11 and the first engaging structure 22
Direction is consistent.
In other embodiments, the quantity of the second engaging structure 10 may be one or more than two, for example, being more than
A tooth-shape structure 11 is respectively set on two second baffles 122, to obtain multiple second engaging structures 10, and all
Two engaging structures 10 are arranged along the axially spaced-apart of sliding handle 1, when second engaging structure 10 is engaged with two neighboring first
When the engagement of structure 22 or releasing engagement, other second engaging structures 10 distinguish its corresponding two neighboring first engaging structure
22 engagements release engagement, thus can enhance the positioning locking effect of sliding handle 1.
Referring again to Fig. 1, the conveyer 100 in the present embodiment further includes end 7, sheath core pipe 6, push rod 5,4 and of sheath
Fixed handle 3, wherein end 7, sheath core pipe 6, push rod 5, sheath 4 and fixed handle 3 are the hollow structure of both ends open, sheath
The proximal end coaxial communication of the distal end of core pipe 6 and end 7, push rod 5 are sleeved in sheath core pipe 6, and the distal end of sheath core pipe 6 is compared with push rod 5
Distal end closer to distal end, sheath 4 is set in the outside of push rod 5, and fixed handle 3 is sleeved on the outside of sheath 4, guide rod 2 it is remote
Hold it is coaxially affixed with the proximal end of fixed handle 3,1 sliding sleeve of sliding handle be mounted in guide rod 2 outside, and the proximal end of sheath 4 and
The inner wall of sliding handle 1 is by a connector connection, and sliding handle 1 is along guide rod 2 axially towards close or separate fixed
When the direction of handle 3 is mobile, direction from the distal end of sheath 4 to 7 proximal end of end close to or far from.
The diameter of 7 proximal end of end is greater than the outer diameter of sheath core pipe 6, and the outer diameter of push rod 5 is greater than the outer diameter of sheath core pipe 6, end 7
The distal end of proximal end, the outer circumference surface of sheath core pipe 6 and push rod 5 forms accommodating chamber, which is used to accommodate the branch under contraction state
Frame 200.Length of the sheath core pipe 6 between end 7 and push rod 5 is greater than or equal to length when bracket 200 is in contraction state.
As shown in Fig. 2, accommodating chamber is closed when the distal end of sheath 4 and the proximal end of end 7 lean, bracket 200 is received
In accommodating chamber.As shown in figure 3, accommodating chamber is beaten by part when moving when the distal end of sheath 4 to the direction far from 7 proximal end of end
It opens, bracket 200 is partially released.As shown in figure 4, when the distal end of sheath 4 is at least concordant with the distal end of push rod 5, accommodating chamber quilt
It fully opens, at this point, bracket 200 is completely released.
Further, the second engaging structure 10 includes first baffle 121 and tooth-shape structure 11, the edge of the first engaging structure 22
At least one end along its length of the tooth-shape structure 11 of at least one end of its length direction and/or the second engaging structure 10 is certainly
The end at the end starts the width of the length direction of the tooth-shape structure 11 along the first engaging structure 22 and/or the second engaging structure 10
It is gradually increased.Specifically, as shown in Figure 6 to 8, wherein Fig. 6 is the partial structure diagram of 2 top half of guide rod, guide rod 2
Lower half portion structure and the structure of its top half be centrosymmetric；Fig. 7 is the structure of a wherein half part for sliding handle 1
Schematic diagram, the structure of another half part is identical as the half portion separation structure, and the tooth-shape structure on the two parts is in center pair
Claim.The end of the second engaging structure 10 of direction of first engaging structure 22 is contraction structure, and the direction first of tooth-shape structure 11 is nibbled
The end for closing structure 22 is also contraction structure, and the outer surface of these contraction structures is arc surface, is easy to this configuration
It engages the second engaging structure 10 with two neighboring first engaging structure 22, avoids the occurrence of generation end during engagement and touch
The case where hitting and can not engaging, to guarantee that sliding handle 1 positions going on smoothly for locking.
When at least part of at least one the second engaging structure 10 is contained in by two adjacent the first engaging structures 22
When in the circumferential sliding slot 23 surrounded, at least two first engaging structures 22 are engaged at least one second engaging structure 10；When extremely
When any a part of few second engaging structure 10 is not in circumferential sliding slot 23, at least two first engaging structures 22
It is engaged with the releasing of at least one second engaging structure 10.Specifically, as shown in Figure 10 and Figure 11, the first engagement knot in the present embodiment
The quantity of structure 22 be it is multiple, the quantity of the second engaging structure 10 is two, and the outer wall of guide rod 2 is arranged in the first engaging structure 22
On, and the first engaging structure 22 protrudes from the outer wall of guide rod 2, and each first engaging structure 22 is between length direction of guide rod 2 etc.
Every setting, space folded by two neighboring first engaging structure 22 forms circumferential sliding slot 23, when sliding handle 1 turns to first direction
When dynamic, the tooth-shape structure 11 of the second engaging structure 10 on sliding handle 1 enters the inside of circumferential sliding slot 23, and adjacent two
The opposite two side walls of a first engaging structure 22 limit the second engaging structure 10 in the axial direction along guide rod 2, from
And realize the positioning locking to sliding handle 1 in 2 axial direction of guide rod.As shown in Figure 8 and Figure 9, when the second engaging structure 10 is from week
When fully sliding out into sliding slot 23, positioning locking of the sliding handle 1 in 2 axial direction of guide rod is released from, and sliding handle 1 can continue edge
The axial direction of guide rod 2 is moved, and continues to discharge to bracket 200 to realize.
As shown in fig. 6, above-mentioned each first engaging structure 22 forms multiple circumferential sliding slots 23, each circumferential direction sliding slot 23 is along guide rod 2
Length direction be arranged at equal intervals, by this kind of structure can for sliding handle 1 be provided on the length direction along guide rod 2 it is multiple
The position of locking is positioned, so as to realize the positioning locking for carrying out axially different position to sliding handle 1, and then is met clinical
The demand used.
Further, one end of the same side in the circumferential direction of guide rod 2 of at least two first engaging structures 22, and is set to
At least one first locating part 24 connection on 2 outer wall of guide rod.In the present embodiment, the quantity of the first engaging structure 22 be it is multiple,
First locating part 24 is arranged along the length direction of guide rod 2, and the first locating part 24 is respectively by two adjacent the first engaging structures 22
One end connect so that two neighboring first engaging structure 22 formed circumferential sliding slot 23 far from second engagement knot
One end of structure 10 is enclosed construction.The second engaging structure 10 and the first engaging structure 22 are rotated in a first direction in sliding handle 1
When being engaged, the second engaging structure 10 is inserted into the circumferential sliding slot 23 that two neighboring first engaging structure 22 is formed, until tooth
One end close to the first locating part 24 of shape structure 11 is resisted against on the first locating part 24, and the positioning locking of sliding handle 1 is completed,
When the second engaging structure 10 and the first engaging structure 22 can effectively be avoided to be engaged, led since sliding handle 1 rotates transition
The case where causing the second engaging structure 10 to separate with the first engaging structure 22, thus guarantee sliding handle 1 control precision and
Position the effect of locking.In another embodiment, if not set first locating part 24, second direction can also be and first party
To identical direction, for example, the second engaging structure 10 along guide rod 2 it is circumferential with slide into clockwise in circumferential sliding slot 23 with it is adjacent
The engagement of two the first engaging structures 22, later, the second engaging structure 10 along the circumferential to continue to slide clockwise of guide rod 2, with
It is skidded off out of circumferential sliding slot 23, so that it be made to engage with adjacent two the first engaging structures 22 releasing.
With continued reference to Fig. 6, at least one axial slide 21 is axially arranged with along guide rod 2, first engaging structure on guide rod 2
At least one second locating part 25 is equipped between 22 and axial slide 21, specifically, axial slide 21 is set along the axial direction of guide rod 2
It sets, and axial slide 21 is connected to the inside of guide rod 2, sheath 4 is connect through axial slide 21 with sliding handle 1, the second limit
The length direction of part 25 is consistent with the axial direction of guide rod 2, and the edge of the second locating part 25 and each first engaging structure 22 is led
The circumferential minimum range of bar 2 is greater than the length of tooth-shape structure 11.When sliding handle 1 is rotated in a second direction, so that the second engagement
Structure 10 is separated with circumferential sliding slot 23, until one end far from the first locating part 24 of tooth-shape structure 11 is resisted against the second locating part
On 25, at this point, the second engaging structure 10 is detached from out of circumferential sliding slot 23 completely, it can be realized by the way that the second locating part 25 is arranged
The sliding distance of the second engaging structure 10 is limited in second direction, to shorten the operating time, improve the accuracy controlled,
And then improve the control precision of sliding handle 1.
As shown in figure 5, sheath 4 include tube body 41, connector portions 42 and interconnecting piece 43, wherein the proximal end of tube body 41 with
The distal end of connector portions 42 is coaxially connected, and the distal end of tube body 41 is sleeved on the outside of push rod 5, and interconnecting piece 43 is plate structure, even
Socket part 43 and the proximal end of connector portions 42 are affixed, and interconnecting piece 43 is vertical with the outer surface of connector portions 42, and connector portions 42 are with removable
The inside of guide rod 2 is arranged in dynamic mode, and interconnecting piece 43 is stretched out by axial slide 21, and axially can carry out axis by sliding slot 21
To movement.The spaced first baffle 121 in the inside of sliding handle 1 and multiple second baffles 122, the distance being spaced apart from each other
More than or equal to the width of interconnecting piece 43, thus, interconnecting piece 43 can be fastened between two neighboring baffle 12.First baffle
121 center-hole diameter is greater than the diameter of guide rod 2, and is less than the length of interconnecting piece 43, the center-hole diameter of second baffle 122
Greater than the diameter of guide rod 2, and it is less than the length of interconnecting piece 43, one end of guide rod 2 sequentially passes through the centre bore of first baffle 121
With the centre bore of multiple second baffles 122, and the interconnecting piece 43 stretched out through axial slide 21 is limited in adjacent two second
Between baffle 122.When sliding handle 1 is moved axially along guide rod 2, sliding handle 1 is with rotation connection 43 along axial slide
21 is mobile, to realize the driving to sheath 4, and then realizes the gradually release to bracket 200 and positioning locking.Work as sliding handle
1 along guide rod 2 when circumferentially rotating, and first baffle 121 and multiple second baffles 122 are with 1 opposing connections of sliding handle
43 rotations, interconnecting piece 43 are remain stationary with respect to guide rod 2.
In the present embodiment, the quantity of axial slide 21 is two and along the axially symmetric setting of guide rod 2, interconnecting piece 43
Quantity is two, and two interconnecting pieces 43 are connected to each other head 42 and are symmetrical arranged, and an interconnecting piece 43 is axially slided from one of
It is stretched out in slot 21, another interconnecting piece 43 is stretched out from another axial slide 21, and it is two that the first all engaging structures 22, which is divided to,
A engagement group, two engagement groups respectively correspond an axial slide 21 and are arranged.The quantity of second engaging structure 10 is two, and
Two the second engaging structures 10 respectively correspond an engagement group setting.The quantity of second locating part 25 is two, two second limits
Position part 25 is arranged respectively close to an axial slide 21.When sliding handle 1 carries out positioning locking, sliding handle 1 is to first party
To rotation, two neighboring first engaging structure 22 that two the second engaging structures 10 engage respectively with two in group is engaged,
When needing to release the positioning locking of sliding handle 1, sliding handle 1 is rotated to second direction, and two the second engaging structures 10 divide
It is not separated with two neighboring first engaging structure 22 engagement in two engagement groups, until separate the first of two tooth-shape structures 11
One end of locating part 24 is born against on corresponding second locating part 25, to further increase 1 positioning lock of sliding handle
Accuracy when only ensure that and mention to the stability and security reliability that bracket 200 releases the control to reduce operation risk
The safety of high clinical operation.
Further, as shown in Figure 6 and Figure 8, at least one second locating part 25 is located at axial slide 21 set on guide rod 2
Axial edge outer wall on.In the present embodiment, the quantity of the second locating part 25 is two, two the second locating parts 25 respectively with
One axial slide 21 is correspondingly arranged, wherein the second locating part 25 is plate structure, length of second locating part 25 along guide rod 2
Direction setting, closer one end of the second locating part of distance 25 of any one the first engaging structure 22 in each engagement group to
The shortest distance of its corresponding second locating part 25 is greater than or equal to circumferential length of the corresponding tooth-shape structure 14 along sliding handle 1
Degree.Specifically, when sliding handle 1 is in non-lockup state, single tooth-shape structure 11 is located at the first engagement in single engagement group
On the outer wall of guide rod 2 between structure 22 and the second locating part 25, at this point, when axial movement of the sliding handle 1 along guide rod 2,
Tooth-shape structure 11 can be moved axially with sliding handle 1.Later, when along a first direction rotate sliding handle 1, tooth form knot
Structure 11 enters in the circumferential sliding slot 23 between two neighboring first engaging structure 22, two neighboring first engaging structure 22
Opposite two side walls are engaged with tooth-shape structure 11, thus realize limit of the sliding handle 1 in 2 axial direction of guide rod, so as to
Positioning locking is carried out to the release of bracket.Limit by the second locating part 25 to tooth-shape structure 11 in a second direction, can
Make sliding handle 1 that there is fixed stroke to second direction rotation, to improve the precision of sliding handle 1 in operation.
As shown in figures 7 and 9, the first engaging structure 22 and its corresponding tooth-shape structure 11 all in each engagement group
It is arcwall face, the shape, length of the first all engaging structures 22 in each engagement group, width and height etc. are all the same.Tool
Body, the side of the separate guide rod 2 of each first engaging structure 22 is arcwall face, and the radian of the arcwall face is engaged with each first
The radian of 2 position outer wall of guide rod locating for structure 22 is consistent, when sliding handle 1 is sleeved on 2 outside of guide rod, 11 direction of tooth-shape structure
The side of guide rod 2 is arcwall face, and the bending degree of the arcwall face is consistent with the bending degree of the outer wall of guide rod 2, is convenient for tooth
Corresponding two neighboring first engaging structure 22 of shape structure 11 is engaged along the outer wall of guide rod 2, guarantees that sliding handle 1 is fixed
The smooth implementation of position locking.
Second embodiment:
The difference of second embodiment and first embodiment explained below, for second embodiment and first embodiment
Details are not described herein for same or similar place.
In the present embodiment, as shown in Figure 12 and Figure 13, the side wall along its length of the first all engaging structures 22
On open up there are two the first limiting slot 221, set that there are two first on the side wall along its length of all tooth-shape structures 11
Limited block 111, and in circumferential towards first direction rotation of the sliding handle 1 along guide rod 2, each first limited block 111 with it is corresponding
First limiting slot 221 clamping.
Specifically, the first limiting slot 221 is arranged on the side wall of the first engaging structure 22, and the setting of the first limited block 111 exists
On the side wall of tooth-shape structure 11, when tooth-shape structure 11 is engaged with two adjacent the first engaging structures 22, the first limited block 111
It is connected in its corresponding first limiting slot 221.
As shown in figure 12, the quantity of the first limiting slot 221 on each first engaging structure 22 is two, two first limits
Position slot 221 is symmetrically separately positioned on the two sides of the first engaging structure 22.As shown in figure 13, first on each tooth-shape structure 11
The quantity of limited block 111 is two, and two the first limited blocks 111 are symmetrically separately positioned on the two sides of tooth-shape structure 11.
As shown in figure 15, when needing to carry out positioning locking, sliding handle 1 is rotated to first direction, tooth-shape structure 11
It enters in the circumferential sliding slot 23 between two neighboring first engaging structure 22, two the first limited blocks on tooth-shape structure 11
111 are respectively clamped into the inside of the first limiting slot 221 on the two 22 side walls of the first engaging structure；As shown in figure 14, work as needs
When releasing positioning locking, sliding handle 1 is rotated to second direction, tooth-shape structure 11 is skidded off out of corresponding circumferential sliding slot 23,
And the first limited block 111 is extracted out out of corresponding first limiting slot 221, thus by tooth-shape structure 11 and corresponding two first
The engagement separation of engaging structure 22, and then the positioning locking to bracket is released, it can be improved sliding handle 1 and position the effective of locking
Property, avoid sliding handle 1 when positioning locking, and tooth-shape structure 11 is easy to happen with two neighboring first engaging structure 22 to be separated
Situation improves safety during bracket 200 discharges.
It should be pointed out that the depth capacity of the first limiting slot 221 is 0.1-1mm, so that the first limited block 111 can be suitable
Corresponding first limiting slot 221 is slid in or out sharply, guarantees going on smoothly for operating process.
3rd embodiment:
The difference of 3rd embodiment and first embodiment explained below, for 3rd embodiment and first embodiment
Details are not described herein for same or similar place.
As shown in Figure 16 and Figure 17, set that there are two the on the side wall along its length of the first all engaging structures 22
Two limited blocks 222, set that there are two the second limiting slots 112 on the side wall along its length of all tooth-shape structures 11, and
When sliding handle 1 is along the circumferential rotation towards first direction of guide rod 2, each second limited block 222 is limited with corresponding one second
Slot 112 is clamped.
Specifically, the second limited block 222 is arranged on the side wall of the first engaging structure 22 and towards protruding to the outside, the second limit
Position slot 112 is provided on the side wall of tooth-shape structure 11, when tooth-shape structure 11 is engaged with two neighboring first engaging structure 22, often
A second limited block 222 is respectively protruding into clamping in corresponding second limiting slot 112.
The quantity of the second limited block 222 on each first engaging structure 22 is two, two the second limited block 222 difference
It is symmetrically disposed in the two sides of first engaging structure 22.The quantity of the second limiting slot 112 on each tooth-shape structure 11 is
Two, the two sides of a tooth-shape structure 11 respectively symmetrically are arranged in two the second limiting slots 112.
As shown in figure 19, when needing to carry out positioning locking, sliding handle 1 is rotated to first direction, tooth-shape structure 11
It slides into the circumferential sliding slot 23 between two neighboring first engaging structure 22, and the second limited block 222 is connected to corresponding second
In limiting slot 112.As shown in figure 18, when needing to release positioning locking, sliding handle 1 is rotated to second direction, tooth form knot
Structure 11 is skidded off out of corresponding circumferential sliding slot 23, and the second limited block 222 is taken out out of corresponding second limiting slot 112
Out, so that tooth-shape structure 11 is separated with the engagement of corresponding two the first engaging structures 22, to release the positioning locking to bracket.
The clamping engagement of second limited block 222 and the second limiting slot 112 can be improved the validity that sliding handle 1 positions locking, avoid
When positioning locking, 11 its corresponding two the first engaging structures 22 of tooth-shape structure mention sliding handle 1 there is a situation where separating
High safety during bracket 200 discharges.
It should be pointed out that the depth capacity of the second limiting slot 112 is 0.1-1mm, to guarantee that the second limited block 222 can
The second limiting slot 112 is successfully slid in or out, guarantees going on smoothly for operating process.
It should be understood that term used herein merely for description particular example embodiment purpose, and have no intention into
Row limitation.Unless the context clearly indicates otherwise, otherwise singular " one " as used in the text, "one" and " described "
Can also indicate to include plural form.The terms "include", "comprise", " containing " and " having " are inclusives, and therefore
It indicates the presence of stated feature, step, operations, elements, and/or components, but presence or addition one or more is not precluded
A other feature, step, operation, component, assembly unit, and/or their combination.Method and step, process, the Yi Jicao of described in the text
It is not interpreted as that them is necessarily required to execute with described or explanation particular order, executes sequence unless explicitly stated otherwise.Also answer
The step of working as understanding, can be used additionally or alternatively.
Although can be described in the text using term first, second, third, etc. multiple element, component, region, layer and/
Or section, still, these component, assembly units, region, layer and/or section should not be limited by these terms.These terms can be only
For a component, assembly unit, region, layer or section are distinguished with another component, assembly unit, region, layer or section.Unless up and down
Text is it is manifestly intended that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text not
Imply sequence or order.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (10)
1. a kind of conveyer, including guide rod and the sliding handle being sheathed on the guide rod, which is characterized in that outside the guide rod
At least two first engaging structures are equipped with along the axially spaced-apart of the guide rod on wall, the inner wall of the sliding handle is equipped at least
One the second engaging structure, circumferential along the guide rod rotate the sliding handle towards first direction, until described at least two
When a first engaging structure is engaged at least one described second engaging structure, axis of the sliding handle relative to the guide rod
To static；Circumferential along the guide rod rotates the sliding handle towards second direction, until at least two first engagement
When structure is engaged with the releasing of at least one described second engaging structure, the sliding handle can be moved axially relative to the guide rod
It is dynamic；Wherein, the first direction is identical or opposite as the second direction.
2. conveyer according to claim 1, which is characterized in that second engaging structure includes baffle and tooth form knot
At least one end of structure, at least one end of first engaging structure and/or the tooth-shape structure is since the end at the end along institute
The width for stating the length direction of the first engaging structure and/or the tooth-shape structure is gradually increased.
3. conveyer according to claim 1, which is characterized in that when at least the one of at least one second engaging structure
When being partially housed in the circumferential sliding slot surrounded by two adjacent first engaging structures, at least two first engagement
Structure is engaged at least one described second engaging structure；
When any a part of at least one second engaging structure is not in the circumferential sliding slot, described at least two
A first engaging structure is engaged with the releasing of at least one described second engaging structure.
4. conveyer according to claim 3, which is characterized in that one end of at least two first engaging structure with
At least one first locating part connection on the guide rod outer wall.
5. conveyer according to claim 1, which is characterized in that at least one axial direction that is axially arranged with along the guide rod is slided
Slot is equipped at least one second locating part between at least two first engaging structure and the axial slide.
6. conveyer according to claim 5, which is characterized in that at least one described second locating part is set to the guide rod
The axial edge positioned at the axial slide outer wall on.
7. conveyer according to claim 5, which is characterized in that second engaging structure includes baffle and tooth form knot
Structure, at least two first engaging structure closer one end of the second locating part described in distance to second locating part most
Short distance is greater than or equal to circumferential length of the tooth-shape structure along the sliding handle.
8. conveyer according to claim 1, which is characterized in that second engaging structure includes baffle and tooth form knot
Structure offers at least one first limiting slot, institute on the side wall along its length of at least two first engaging structure
The side wall along its length for stating the tooth-shape structure of at least one the second engaging structure is equipped at least one first limited block,
And in circumferential towards first direction rotation of the sliding handle along the guide rod, at least one described first limited block with it is described
The clamping of at least one first limiting slot.
9. conveyer according to claim 1, which is characterized in that second engaging structure includes baffle and tooth form knot
Structure offers at least one second limited block, institute on the side wall along its length of at least two first engaging structure
The side wall along its length for stating the tooth-shape structure of at least one the second engaging structure is equipped at least one second limiting slot,
And in circumferential towards first direction rotation of the sliding handle along the guide rod, at least one described second limited block with it is described
The clamping of at least one second limiting slot.
10. a kind of transportation system, which is characterized in that including implant and according to claim 1-9 described in any item conveyers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641345.XA CN109700571B (en) | 2018-12-29 | 2018-12-29 | Conveyor and conveying system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811641345.XA CN109700571B (en) | 2018-12-29 | 2018-12-29 | Conveyor and conveying system thereof |
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| Publication Number | Publication Date |
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| CN109700571A true CN109700571A (en) | 2019-05-03 |
| CN109700571B CN109700571B (en) | 2021-05-25 |
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| CN201811641345.XA Active CN109700571B (en) | 2018-12-29 | 2018-12-29 | Conveyor and conveying system thereof |
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| CN112998919A (en) * | 2019-12-19 | 2021-06-22 | 先健科技(深圳)有限公司 | Conveyor |
| WO2023125010A1 (en) * | 2021-12-31 | 2023-07-06 | 先健科技(深圳)有限公司 | Conveying system |
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| WO2023125010A1 (en) * | 2021-12-31 | 2023-07-06 | 先健科技(深圳)有限公司 | Conveying system |
Also Published As
| Publication number | Publication date |
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| CN109700571B (en) | 2021-05-25 |
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