CN109223076A - Pre-knotted holdfast and its implanted device - Google Patents
Pre-knotted holdfast and its implanted device Download PDFInfo
- Publication number
- CN109223076A CN109223076A CN201811135730.7A CN201811135730A CN109223076A CN 109223076 A CN109223076 A CN 109223076A CN 201811135730 A CN201811135730 A CN 201811135730A CN 109223076 A CN109223076 A CN 109223076A
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- China
- Prior art keywords
- holdfast
- knotted
- threading
- anchor body
- ground anchor
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0408—Rivets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/044—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors with a threaded shaft, e.g. screws
Abstract
The present invention relates to medical instruments field, a kind of pre-knotted holdfast and its implanted device are disclosed.The pre-knotted holdfast includes: the threading portion of ground anchor body and the apical position positioned at ground anchor body, and the first external screw thread is formed on the periphery wall of ground anchor body, and threading is formed with threading hole in portion.The implanted device structure includes: rotating handle, and rotating handle includes implantation bar for being connected with pre-knotted holdfast and the implantation handle being coaxially connected with implantation bar；And support handle, support handle include supporting sleeve and the gripping handle that is coaxially connected with supporting sleeve.Pre-knotted holdfast of the invention can make the fixed effect of suture more preferable, so that soft tissue more stable can be effectively fixed on bone by pre-knotted holdfast, to promote the quick reparation of soft tissue and rebuild.
Description
Technical field
The present invention relates to medical instruments field more particularly to a kind of pre-knotted holdfasts and its implanted device.
Background technique
Pre-knotted holdfast is clinically common a kind of for soft tissue repair or the surgical implant of reconstruction operations.Work as people
When the soft tissue of body tears off from bone and needs to repair, it is soft to need to be attached again that surgeon generallys use suture
Tissue carries out suture fixation, is then fixed on bone the free end of suture by holdfast, is fixed soft tissue with reaching
The purpose for repairing soft tissue is realized on to bone.
The structure of common pre-knotted holdfast generally includes ground anchor body, and outer spiral shell is formed on the periphery wall of ground anchor body
Line, the inside of ground anchor body are formed with the implant holes for being used cooperatively with external implanting device.And common pre-knotted holdfast
Threading mode mainly includes two kinds, one is suture only the inside through ground anchor body implant holes threading, another kind be suture
Line is through the external screw thread kinking on the periphery wall of ground anchor body.For the former threading mode, suture passes through pre-knotted holdfast
While implant holes, the implantation bar of implanting device also needs to be inserted into the implantation realized in the implant holes to holdfast, and therefore, implantation bar exists
Certain abrasion can be generated to the suture in its implant holes in the implantation process of holdfast, to be unfavorable for the postoperative health of patient
It is multiple.And for the threading mode of the latter, suture mode is only wound on external screw thread on the one hand winds relatively time consuming, another party
Suture can not be also clamped securely on holdfast by face, make suture during the implantation of holdfast or postoperative easy to be de-
It falls, to increase the difficulty of operation, once suture falls off, the postoperative rehabilitation of patient will be unfavorable for.In addition, for above-mentioned two
Kind threading mode, since the implantation bar of implanting device is relatively thin longer, this can be easy to make the implant angle of holdfast during implantation
Nondirectional deflection occurs, operator needs to adjust the implant angle of holdfast repeatedly, or even needs to take out or be implanted into anchor repeatedly
Nail, could complete the implantation of holdfast, thus cause the implantation efficiency of holdfast lower, be unfavorable for going on smoothly for patients surgery.
In view of the deficiencies of the prior art, those skilled in the art wishes to seek a kind of fixed effect that can make suture
Better pre-knotted holdfast, so that soft tissue more stable can be effectively fixed on bone by pre-knotted holdfast, to promote
The quick reparation and reconstruction of soft tissue.
Summary of the invention
The fixed effect of suture can be made more preferable in order to seek one kind, effectively be fixed on soft tissue so as to more stable
On bone, the invention proposes a kind of pre-knotted holdfast and its implanted devices.
Pre-knotted holdfast according to the present invention, the threading portion of the apical position including ground anchor body and positioned at ground anchor body,
The first external screw thread is formed on the periphery wall of ground anchor body, threading is formed with threading hole in portion.
Further, threading hole includes at least two sub- threading holes.
Further, at least one through-hole is also formed on the periphery wall of ground anchor body.
Further, threading portion includes plug component and the threading component being connected with plug component, and threading hole, which is formed in, to be worn
On line component.
Further, the end for threading the separate plug component of component is arc-shaped or cone cell.
Further, threading component includes the horizontal crimping arm being connected with plug component and hangs down with the horizontal both ends for crimping arm
Directly connected vertical threading arm, threading hole are formed on vertical threading arm.
Further, threading portion and ground anchor body are integrally formed or threading portion is detachably connected with ground anchor body or threading portion
It is independent two components respectively with ground anchor body.
A kind of implanted device according to the present invention, the implanted device is for being implanted into pre-knotted holdfast of the invention, structure
It include: rotating handle, rotating handle includes implantation bar for being connected with pre-knotted holdfast and the plant being coaxially connected with implantation bar
Enter handle；And support handle, support handle include supporting sleeve and the gripping handle that is coaxially connected with supporting sleeve.Wherein, it holds
The inside for holding handle is formed with first passage that is coaxial with the pipeline of supporting sleeve and being connected to setting, first passage and supporting sleeve
Pipeline be collectively formed for be implanted into bar insertion channel, implantation bar be inserted into insertion channel in and relative to support handle revolve
Turn, so that implantation bar is able to drive pre-knotted holdfast away from or towards support hand when rotating rotating handle forward or backwards
Motion of handle.
Further, implantation bar includes sequentially coaxially connected guide rod and connecting rod, and the outer surface of guide rod is formed with
Second external screw thread is formed with the second internal screw thread with the cooperation of the second external screw thread, the second externally threaded rotation on the inner wall of first passage
To be formed in ground anchor body periphery wall on it is first externally threaded oppositely oriented.
Further, the length of connecting rod is more than or equal to the axial length in insertion channel, and the length of guide rod is more than or equal to
The axial length of first passage.
Through the above scheme, when in use, user will be by that will suture for pre-knotted holdfast of the invention and its implanted device
Line passes through threading portion and fixes, so that pre-knotted holdfast in implantation process, avoids contact of the implanted device with suture, thus
Solving holdfast in the prior art, in multiple implantation or dismounting, implanting instrument can cause asking for abrasion to suture thereon
Topic, and then the attachment that avoids soft tissue and bone caused by the abrasion because of suture is undesirable happens, this is just helped
In the recovery of patient；In the implantation process of pre-knotted holdfast, the threading portion positioned at top can also make suture prior to holdfast sheet
Body enters in bone road, makes ground anchor body during screw-in, and the existing part of suture is present in bone road, this just strengthens seam
The zygonema fixed effect fixed by ground anchor body, reduces the risk that postoperative suture easily loosens, to be conducive to patient's art
Recovery afterwards；Implanted device of the invention is used cooperatively by support handle and rotating handle, also can avoid pre-knotted holdfast
Be axially displaced from during implantation, to improve the implantation efficiency of pre-knotted holdfast, ensure that operation it is smooth into
Row.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar element
Or part is generally identified by similar appended drawing reference.In attached drawing, each element or part might not be drawn according to actual ratio.
Fig. 1 is the structural representation for the first embodiment that pre-knotted holdfast according to the present invention and implanted device are used cooperatively
Figure；
Fig. 2 is the cross-sectional view shown in FIG. 1 along the direction A-A；
Fig. 3 is the structural schematic diagram of pre-knotted holdfast shown in FIG. 1；
Fig. 4 is the structural schematic diagram of the first embodiment of ground anchor body shown in Fig. 3；
Fig. 5 is the structural schematic diagram of the second embodiment of ground anchor body shown in Fig. 3；
Fig. 6 is the structural schematic diagram of the first embodiment of threading component shown in Fig. 3；
Fig. 7 is the structural schematic diagram of the second embodiment shown in Fig. 3 for wearing part component；
Fig. 8 is the structural schematic diagram of the 3rd embodiment shown in Fig. 3 for wearing part component；
Fig. 9 is the structural representation for the second embodiment that pre-knotted holdfast according to the present invention and implanted device are used cooperatively
Figure；
Figure 10 is the structural schematic diagram of implanted device shown in FIG. 1；
Figure 11 is the structural schematic diagram of rotating handle shown in Fig. 10；
Figure 12 is the structural schematic diagram of support handle shown in Fig. 10.
Specific embodiment
It is described in detail below in conjunction with embodiment of the attached drawing to technical solution of the present invention.Following embodiment is only used for
Clearly illustrate technical solution of the present invention, therefore be only used as example, and cannot be used as a limitation and limit protection model of the invention
It encloses.
Figures 1 and 2 show that the first embodiment that pre-knotted holdfast 1 according to the present invention is used cooperatively with implanted device 2
Structural schematic diagram, Fig. 3 shows the structural schematic diagram of pre-knotted holdfast 1 according to the present invention.As shown in figure 3, pre-knotted anchor
Nail 1 includes the threading portion 12 of ground anchor body 11 and the apical position positioned at ground anchor body 11, shape on the periphery wall of ground anchor body 11
At there is the first external screw thread 13, threading hole 14 is formed in threading portion 12.
In conjunction with shown in Fig. 1-3, when in use, user uses suture to needs to pre-knotted holdfast 1 of the invention first
Again the soft tissue being attached is sutured, and the free end of suture is then passed through the threading hole 14 in threading portion 12 again, will
The free end of suture is fixed in threading portion 12, and then pre-knotted holdfast 1 is implanted in advance in bone using implanted device
On in the bone road that is drilled, in this process, threading portion 12 drives suture to rotate synchronously in bone road with ground anchor body 11, makes to stitch
Zygonema can be wound on the first external screw thread 13 along the direction of rotation of ground anchor body 11, then pass through ground anchor body 11 and bone road
Suture extruding is fixed in bone road, to realize the purpose being fixed on soft tissue on bone by cooperation.
Preferably, the inside of ground anchor body 11 may also be formed with axially extending bore 16 (as shown in Figure 3), which uses
Cooperate in implanted device 2, pre-knotted holdfast 1 is screwed into bone road with realizing.Preferably, the axis and holdfast of threading hole 14
The axis of the axially extending bore 16 of ontology 11 is vertical.
Pre-knotted holdfast 1 of the invention has the advantages that following several respects when in use, on the one hand, by the way that threading portion is arranged
12, suture is fixed across threading portion 12, so that pre-knotted holdfast 1 in implantation process, avoids implanted device 2 and suture
Contact, to solve holdfast in the prior art, in multiple implantation or when removing, implanting instrument can make suture thereon
The problem of at abrasion, and then the bad situation of the attachment that avoids soft tissue and bone caused by the abrasion because of suture is sent out
Raw, this helps to the recovery of patient；On the other hand, in the course of surgery, if making on pre-knotted holdfast 1 because of misoperation
When suture surprisingly falls off, user can directly pass through threading portion 12 without removing pre-knotted holdfast 1 from implanted device 2
Suture is worn again and is connected on pre-knotted holdfast 1, thus reduce unnecessary trouble in surgical procedure, it is smooth convenient for operation
It carries out；In addition, the threading portion 12 positioned at top can also make suture prior to holdfast sheet in the implantation process of pre-knotted holdfast 1
Body 11 enters in bone road, makes ground anchor body 11 during screw-in, and the existing part of suture is present in bone road, this just reinforces
Suture passes through the fixed fixed effect of ground anchor body 11, reduces the risk that postoperative suture easily loosens, to be conducive to
The postoperative recovery of patient；In addition, the first external screw thread 13 formed on the periphery wall of ground anchor body 11, and ground anchor body 11 can be made
The intensity gone out in bone road with higher resistance to plucking, can not only make pre-knotted holdfast 1 be not easy to loosen after the implantation, additionally it is possible to add
Strong fixed effect of the suture in bone road, enables soft tissue to be preferably attached on bone, this is just further conducive to
The postoperative recovery of patient.
It should be noted that the first external screw thread 13 can be set to a plurality of types of helicitic textures, user can be according to trouble
The difference of person's injury selects the pre-knotted holdfast 1 with different helicitic textures.For example, in embodiment as shown in Figure 3
In, the first external screw thread 13 has the helicitic texture of two sections of different screw pitch, and two sections of helicitic textures with different screw pitch can be right respectively
Answer different sclerotin, such as cortex bone and cancellous bone.The setting makes suture that can be wrapped in the screw thread with two sections of different screw pitch
In structure, i.e., cabling mode outside suture anchor ontology 11 can there are two types of, enable suture with more appropriate side
Formula is fixed in corresponding cortex bone and cancellous bone, while the setting of two sections of helicitic textures also further increases pre-knotted anchor
The anti-pull-out strength of nail 1, fixed effect are more preferable；In another example in the embodiment as shown in fig.4, the first external screw thread 13 has cone
Pre-knotted holdfast 1 is implanted in bone road by helicitic texture, the setting user that is more convenient for；Further for example, in implementation as shown in Figure 5
In example, the first external screw thread 13 has height helicitic texture, which can be such that pre-knotted holdfast 1 drops during screwing in bone road
Low 1 torsional forces of pre-knotted holdfast, thus the operation for the person of being convenient to use, while the pain of patient is also reduced, it is effectively prevented from
Caused by patient secondary injury.
According to the present invention, as shown in figure 3, threading hole 14 may include at least two sub- threading holes.Pass through the setting, a side
Face can make suture be wound in two sub- threading holes repeatedly when needing to increase pretightning force of the suture after threading hole 14
Between, to strengthen fixing intensity of the suture in threading portion 12, keep suture not easily to fall off；On the other hand, threading hole
At least two sub- threading holes, are additionally beneficial to body fluid and are merged by sub- threading hole on 14, thus effectively shorten Bone Ingrowth when
Between, it may advantageously facilitate the recovery of postoperative patient.
It is further preferred that as shown in figure 3, may also be formed at least one through-hole 15 on the periphery wall of ground anchor body 11.Pass through
The setting, after pre-knotted holdfast 1 is fully implanted in bone road, body fluid can be entered in pre-knotted holdfast 1 by through-hole 15, this
So that body fluid is rapidly entered in pre-knotted holdfast 1, to facilitate the time of shortening Bone Ingrowth, further promotes postoperative
The recovery of patient.
In the embodiment shown in fig. 3, threading portion 12 may include plug component 121 and be connected with plug component 121
Threading component 122, threading hole 14 be formed in threading component 122 on.It is worth noting that, threading component 122 can also there are many
Structure.
For example, the end 123 for threading the separate plug component 121 of component 122 can be circular arc in conjunction with shown in Fig. 6 and Fig. 7
Shape or cone cell.By the setting, user can select to be more advantageous to the plant of pre-knotted holdfast 1 according to the difference at patient injury position
The shape of end 123 in the road Ru Daogu.For example, if end can be selected when the bone outer surface of injury is adhered to without soft tissue
Portion 123 is the pre-knotted holdfast 1 of arc-shaped, and the end 123 of arc-shaped is not only convenient for pre-knotted holdfast 1 and is implanted to bone road, may be used also
Make pre-knotted holdfast 1 will not because of damage caused by the torsional forces excessive road Er Duigu inside so as to avoid to patient when being implanted into
At secondary injury；For another example if when there is the soft tissue of attachment in the bone outer surface of injury, in order to more easily exempt to beat
Knot holdfast 1 is implanted in bone road, and the pre-knotted holdfast 1 that end 123 is cone cell can be selected in user, and the end 123 of cone cell can be just
It is implanted into pre-knotted holdfast 1.In conclusion end 123 of different shapes can make the more flexible side of use of pre-knotted holdfast 1
Just, reduce unnecessary trouble in surgical procedure, further ensure going on smoothly for operation.
Further for example, as shown in figure 8, threading component 12 may also include be connected with plug component 121 horizontal crimp arm 124 and
It is vertically connected with the both ends that level crimps arm 124, threading hole 14 is formed on vertical threading arm 125.By the setting, when disconnected
When the soft tissue that the soft tissue split can not be stitched together or part is injured can not be fixed on bone, user can pass through level
Injured soft tissue is pressed into bone road by crimping arm 124, and fixed by the implantation of ground anchor body 11 with reaching soft tissue
Purpose, can also be by the way that suture to be fixed to the threading hole 14 of vertical threading arm 125 to suture to soft tissue after, then pass through
Injured soft tissue is pressed into together and is fixed in bone road by level crimping arm 124, which further strengthens soft tissue
Fixed effect meet more so that the fixation of soft tissue can also be completed by making pre-knotted holdfast 1 in some special circumstances
Operation demand.
In the embodiment shown in fig. 3, threading portion 12 and ground anchor body 11 can be integrally formed or threading portion 12 and anchor
Nail ontology 11 is detachably connected or threading portion 12 and ground anchor body 11 may respectively be independent two components.
By the setting, the usage mode of pre-knotted holdfast 1 can distinguish three kinds, the first is can be directly by pre-knotted holdfast
1 is installed on implanted device 2 and uses, and keeps the installation of pre-knotted holdfast 1 more convenient；Second of ground anchor body 11 and threading portion
12 modes being detachably connected can make ground anchor body 11 and the combination in threading portion 12 of different shapes more flexible, for example,
When user needs to select threading portion 12 of different shapes according to the different injury of patient, threading portion 12 need to only be replaced
, it is simple to operate it is not necessary that entire holdfast is removed replacement；The third threading portion 12 and ground anchor body 11 are independent two
The connection type of a component can be detailed in the structure that pre-knotted holdfast 1 and implanted device as shown in Figure 9 are used cooperatively.Such as Fig. 9 institute
Show, threading portion 12 and ground anchor body 11 can be individually attached and use on implanted device 2, i.e., between threading portion 12 and ground anchor body 11
There are certain mounting distances, and during pre-knotted holdfast 1 is implanted into, threading portion 12 and ground anchor body 11 successively enter bone
In road, which facilitates increase pre-knotted holdfast 1 and enters the depth in long and narrow bone road, so that suture be made to be easier to implantation bone road
Bottom, and the part for being present in it in bone road is more, further enhances the fixing intensity of suture, effectively prevents
Suture loosens.
In addition, the material of pre-knotted holdfast 1 of the invention may include Biocomposite material, high-performance special engineering plastics,
Biodegradable plastic and titanium etc., user can be according to the differences, severity and economic situation at patient injury position
Come select suitable material for complete perform the operation, thus the more effectively postoperative recovery of promotion patient.
Figure 10 shows the structural schematic diagram of implanted device 2 according to the present invention, which can be used for shown in Fig. 3
Pre-knotted holdfast 1 of the invention implantation, as shown in figs. 10-12, which includes: rotating handle 21, rotation
Handle 21 may include implantation bar 211 for being connected with pre-knotted holdfast 1 and the implantation handle that is coaxially connected with implantation bar 211
212；Support handle 22, support handle 22 may include supporting sleeve 221 and the gripping handle that is coaxially connected with supporting sleeve 221
222.Wherein, the inside of gripping handle 222 can be formed with coaxial with the pipeline 223 of supporting sleeve 221 and being connected to setting first
The pipeline 223 of channel 224, first passage 224 and supporting sleeve 221 can be collectively formed to be implanted into the insertion channel 23 of bar 211, plant
Enter bar 211 to be inserted into insertion channel 23 and can rotate relative to support handle 22, so that ought rotate forward or backwards
When rotating handle 21, implantation bar 211 is able to drive pre-knotted holdfast 1 and moves away from or towards support handle 22.
In conjunction with shown in Figure 10-12, implanted device 2 of the invention when in use, first by 211 edge of implantation bar of rotating handle 21
One end of gripping handle 222 is inserted into insertion channel 23, is plugged on implantation bar 211 completely in insertion channel 23, and pass through
Pre-knotted holdfast 1 is installed on the connecting pin 216 of implantation bar 211 by axially extending bore 16 (as shown in Figure 3), the connecting pin 216
Inside is equipped with the fixation hole 217 cooperated with plug component 121.By holding gripping handle 222, make support handle 22 relative to bone
Bone rest is motionless, while rotating implantation handle 212, and rotating handle 21 is made to be able to drive implantation bar 211 in supporting sleeve 221
It is interior to be rotated relative to supporting sleeve 221, so that the pre-knotted holdfast 1 on connecting pin 216 is driven to rotate relative to support handle 22,
To realize the screw-in to pre-knotted holdfast 1.
Implanted device 2 of the invention when in use, by the way that supporting sleeve 221 is arranged, on the one hand enables support handle 22
It is enough to be preferably supported in bone surface, on the other hand also make pre-knotted holdfast 1 during screw-in, it can be to implantation bar 211
Play the role of guiding and support in axial direction, avoiding problems holdfasts in the prior art to be easy hair in implantation process
Raw the phenomenon that being axially displaced from, to improve the implantation efficiency of holdfast, is further conducive to patients surgery and goes on smoothly.
In as shown in the figures 11 and 12 embodiment, it is preferable that implantation bar 211 may include sequentially coaxially connected connecting rod
213 and guide rod 214, the outer surface of connecting rod 213 can be formed with the second external screw thread 215, can shape on the inner wall of first passage 224
The second internal screw thread 225 that the second external screw thread of Cheng Youyu 215 cooperates, the rotation direction of the second external screw thread 215 and is formed in ground anchor body 11
Periphery wall on the first external screw thread 112 it is oppositely oriented.Passed through during being implanted into pre-knotted holdfast 1 by the setting
Second internal screw thread 225 is threadedly engaged with the second external screw thread 215, rotating handle 21 can be made to rotate relative to support handle 22 same
When, it is ensured that the ground that rotating handle 21 and pre-knotted holdfast 1 can be more stable is moved along its axis direction, thus more effectively
Holdfast implant angle is avoided easily there is a phenomenon where axial deflection, while the rotation direction of the second external screw thread 215 and the first external screw thread 13
On the contrary, it can be ensured that pre-knotted holdfast 1 is effectively implanted into.
Preferably, as shown in figs. 10-12, the length of guide rod 214 can be more than or equal to the axial length in insertion channel 23, even
The length of extension bar 213 can be more than or equal to the axial length of first passage 224.By the setting, can make to be implanted into bar 211 and drive to exempt to beat
The stroke that knot holdfast 1 is moved away from or towards support handle 22 is longer, and longer stroke can be such that pre-knotted holdfast 1 is fully implanted in
Into bone road, avoid because 1 implantation depth of pre-knotted holdfast not enough due to lead to falling off for suture or pre-knotted holdfast 1, thus
It avoids and secondary injury is caused to patient.
In addition, the component of implanted device 2 of the invention is less, installation or removal are more convenient, are also easier to maintenance more
It changes, and the shape that its rotating handle 21 is grasped it can also be designed to meet human body, so that the gripping sense of user is more preferable, to make to plant
Enter device 2 be easier to using；And gripping handle needs the supporting point as rotation stress because of it, therefore can design it as cuboid
Structure, to increase the anti-rotation performance of gripping handle.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover within the scope of the claims and the description of the invention.Especially, as long as there is no knots
Structure conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The present invention does not limit to
In specific embodiment disclosed herein, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of pre-knotted holdfast, which is characterized in that the pre-knotted holdfast include ground anchor body and be located at the ground anchor body
Apical position threading portion, be formed with the first external screw thread on the periphery wall of the ground anchor body, be formed in the threading portion
Threading hole.
2. pre-knotted holdfast according to claim 1, which is characterized in that the threading hole includes at least two son threading
Hole.
3. pre-knotted holdfast according to claim 1 or 2, which is characterized in that go back shape on the periphery wall of the ground anchor body
At there is at least one through-hole.
4. pre-knotted holdfast according to claim 1 or 2, which is characterized in that the threading portion include plug component and with
The connected threading component of the plug component, the threading hole are formed on the threading component.
5. pre-knotted holdfast according to claim 4, which is characterized in that the separate plug component of the threading component
End be arc-shaped or cone cell.
6. pre-knotted holdfast according to claim 4, which is characterized in that the threading component includes and the plug component
Connected horizontal crimping arm and the vertical threading arm being vertically connected with the both ends that the level crimps arm, the threading hole are formed in
On the vertical threading arm.
7. pre-knotted holdfast according to claim 1 or 2, which is characterized in that the threading portion and the ground anchor body one
Body formed or described threading portion be detachably connected with the ground anchor body or the threading portion and the ground anchor body it is respectively only
Two vertical components.
8. a kind of for being implanted into the implanted device of pre-knotted holdfast according to claim 1, which is characterized in that the implantation
Device includes:
Rotating handle, the rotating handle include implantation bar for being connected with the pre-knotted holdfast and same with the implantation bar
The connected implantation handle of axis；With
Support handle, the support handle include supporting sleeve and the gripping handle that is coaxially connected with the supporting sleeve,
Wherein, it is logical to be formed with coaxial with the pipeline of the supporting sleeve and being connected to setting first for the inside of the gripping handle
The pipeline of road, the first passage and the supporting sleeve is collectively formed as the insertion channel of the implantation bar, the implantation bar
It is inserted into the insertion channel and is rotated relative to the support handle, so that the rotation ought be rotated forward or backwards
When changing hands handle, the implantation bar is able to drive the pre-knotted holdfast and moves away from or towards the support handle.
9. implanted device according to claim 8, which is characterized in that the implantation bar includes sequentially coaxially connected guiding
Bar and connecting rod, the outer surface of the guide rod are formed with the second external screw thread, are formed on the inner wall of the first passage and institute
State the second internal screw thread of the second external screw thread cooperation, the second externally threaded rotation direction and the periphery wall for being formed in the ground anchor body
On it is first externally threaded oppositely oriented.
10. implanted device according to claim 9, which is characterized in that the length of the connecting rod is more than or equal to described insert
Enter the axial length in channel, the length of the guide rod is more than or equal to the axial length of the first passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135730.7A CN109223076A (en) | 2018-09-28 | 2018-09-28 | Pre-knotted holdfast and its implanted device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811135730.7A CN109223076A (en) | 2018-09-28 | 2018-09-28 | Pre-knotted holdfast and its implanted device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109223076A true CN109223076A (en) | 2019-01-18 |
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| CN201811135730.7A Pending CN109223076A (en) | 2018-09-28 | 2018-09-28 | Pre-knotted holdfast and its implanted device |
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| CN109730734A (en) * | 2019-03-11 | 2019-05-10 | 浙江科惠医疗器械股份有限公司 | Suture anchor assemblies |
| CN113425350A (en) * | 2021-05-13 | 2021-09-24 | 花沐医疗科技(上海)有限公司 | Composite absorbable suture anchor and preparation method thereof |
| WO2021238036A1 (en) * | 2020-05-29 | 2021-12-02 | 迈特锐吉(北京)医疗科技有限公司 | Fastening nail, fastening nail implanting device and medical instrument |
| CN114081557A (en) * | 2021-10-25 | 2022-02-25 | 运医之星(上海)科技有限公司 | Self-threading inserter |
| CN116421242A (en) * | 2023-06-12 | 2023-07-14 | 杭州锐健马斯汀医疗器材有限公司 | Implant device and anchor system |
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| CN116421242B (en) * | 2023-06-12 | 2023-08-18 | 杭州锐健马斯汀医疗器材有限公司 | Implant device and anchor system |
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