CN208926473U - Dynamic pressing suture anchor - Google Patents
Dynamic pressing suture anchor Download PDFInfo
- Publication number
- CN208926473U CN208926473U CN201820502259.XU CN201820502259U CN208926473U CN 208926473 U CN208926473 U CN 208926473U CN 201820502259 U CN201820502259 U CN 201820502259U CN 208926473 U CN208926473 U CN 208926473U
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- China
- Prior art keywords
- holdfast
- main body
- dynamic
- height
- dynamic pressurization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 241000826860 Trapezium Species 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 210000000746 body region Anatomy 0.000 claims 1
- 230000001186 cumulative effect Effects 0.000 claims 1
- 210000000988 bone and bone Anatomy 0.000 abstract description 25
- 210000002435 tendon Anatomy 0.000 abstract description 15
- 208000001132 Osteoporosis Diseases 0.000 abstract description 3
- 208000021945 Tendon injury Diseases 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 abstract 1
- 238000005056 compaction Methods 0.000 abstract 1
- 230000035876 healing Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000003041 ligament Anatomy 0.000 description 2
- 241000587161 Gomphocarpus Species 0.000 description 1
- 206010061223 Ligament injury Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002745 epiphysis Anatomy 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000399 orthopedic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 108010048734 sclerotin Proteins 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses a kind of dynamic pressing suture anchors, including two parts of holdfast main body and dynamic pressurization bolt.Holdfast main part includes holdfast head, body portion, tail portion, dynamic pressurization slot and threaded portion；Dynamic pressurization bolt, including dynamic pressurization bolt main body and suture fixation hole.The dynamic pressurization holdfast of the utility model is when tendon suture is fixed by dynamic pressurization bolt by distally proximally sliding, make holdfast main body to Lateral Compaction, strengthen fixing intensity of the holdfast in bone, and in joint motion, holdfast is converted to the compression of bone tissue by the tensile stress of tendon, can effectively prevent occurring the adverse events such as loosening, transfer to when holdfast is fixed.The dynamic pressurization holdfast of the utility model is suitble to the bone tissue of all tendon injuries to suture fixation, and the tendon suture for being particularly suitable for sufferers of osteoporosis face is fixed.
Description
Technical field
The utility model belongs to orthopedic medical device technical field, and in particular to a kind of minimally invasive suture of tendon injury reparation
Holdfast, the tendon repair for being particularly suitable for bone amount reduction or sufferers of osteoporosis face are fixed.
Background technique
Periarticular tendon, ligament injury are common sick and wounded of orthopaedics, clinically commonly use suture anchor for the tendon of damage
Stump is fixed to bone tissue, to restore the normal configuration and function of joint of tendon, reaches finally fixed mesh by tendon-bone healing
's.
The process of tendon-bone healing needs tendon to have certain contact area with the rough surface of epiphysis and has firm contact surely
It is qualitative.Therefore, fixing intensity of the holdfast in bone is the key that successful surgery and basis.
The existing suture anchor majority of existing market is the main body in holdfast equipped with helicitic texture, passes through one diameter of preboring
It is slightly less than the channel of holdfast diameter, then is screwed into or directly squeezes into bone by rotation, achievees the purpose that fixed.However holdfast is mostly
Diameter 3.5mm micro arc bone anchor below, the pressure stability generated by screw thread and bone tissue are limited.After clinically holdfast is fixed
There is the phenomenon that holdfast loosens, transfers to, lead to solid failure, operative failure to often occur, is especially reduced in bone amount or sclerotin is dredged
The case of pine, and be easier to occur in joint parts such as big, the tendon strong shoulder elbows of range of motion.
Utility model content
For there is no reliable, stable technology to prevent suture anchor from loosening, transfering in bone at present, cause solid failure.
The main purpose of the utility model is: a kind of dynamic pressing suture anchor of completely new fixed form is provided, in fixed just steps
Section when tightening suture, reaches incipient stability of the holdfast in bone by the sliding pressurization of dynamic pressurization bolt.In joint motion,
The tensile stress that tendon, ligament are shunk is converted into holdfast main body to the extrusion stress of surrounding bone, further enhances holdfast in bone
Interior stability promotes tendon-bone healing.
To achieve the above object, the utility model the following technical schemes are provided:
A kind of dynamic pressing suture anchor, including holdfast main body and holdfast dynamic pressurization bolt two parts, the holdfast master
Body is structure as a whole, including holdfast head, holdfast body portion, holdfast tail portion, holdfast dynamic pressurization slot and threaded portion；The holdfast body
Between holdfast head and holdfast tail portion, the bottom edge on the holdfast head is rounded structure in portion, and the holdfast tail portion is polygon
Body structure offers the holdfast power for stretching to holdfast head from the center of holdfast tail portion upper surface along the radial direction of holdfast main body
The area of pressurized tank, the holdfast dynamic pressurization slot cross section is gradually increased from holdfast tail portion to holdfast head；
The holdfast dynamic pressurization bolt is structure as a whole, and the holdfast dynamic pressurization bolt includes dynamic pressurization bolt main body and seam
Line fixation hole, the structure of the holdfast dynamic pressurization bolt and the structure of the holdfast dynamic pressurization slot match, and the holdfast is dynamic
The height of power pressurization bolt, which is less than the height of holdfast dynamic pressurization slot and is contained in holdfast dynamic pressurization slot, to be slided, the seam
Line fixation hole is the circular through hole for being positioned close to the dynamic pressurization bolt main body one end on holdfast head, with the suture fixation hole phase
Pair the outer surface of holdfast main body radially offer a pair of notch being connected with holdfast dynamic pressurization slot, a pair notch
Form it is consistent with the form of the dynamic pressurization bolt and expose the suture fixation hole, a pair of notch and the seam
Line fixation hole, which is connected to, to be formed suture and penetrates channel；The threaded portion is symmetricly set on the plane to be connected to a pair of notches as the plane of symmetry
The holdfast main body lateral surface on.
Further, the height on the holdfast head accounts for the 1/5-1/3 of holdfast body height, the holdfast head it is cross-section
The major diameter in face is less than the cross section major diameter of the holdfast main body comprising threaded portion；The height in holdfast body portion accounts for holdfast body height
1/3-3/5；The height of the holdfast tail portion accounts for the 1/5-1/3 of holdfast body height, the holdfast tail portion be the side 4-6 body etc.
Side gengon structure.
Preferably, the height on the holdfast head accounts for the 1/4 of holdfast body height, and the height in holdfast body portion accounts for holdfast
The 1/2 of body height, the height of the holdfast tail portion account for the 1/4 of holdfast body height, and the holdfast tail portion is to wait 6 Bian Tijie
Structure.
A kind of technical solution: rectangle dynamic pressing suture anchor
The holdfast main body and holdfast body portion are rectangular configuration, and the holdfast dynamic pressurization slot is from holdfast tail portion to anchor
The trapezium structure that nail head cross sectional area is gradually increased, trapezoidal holdfast dynamic pressurization slot open up at holdfast tail portion upper surface center
Slot be rectangular configuration；The holdfast dynamic pressurization bolt is the trapezium structure to match with trapezoidal holdfast dynamic pressurization slot, one
It is the trapezium structure consistent with the form of trapezoidal holdfast dynamic pressurization bolt to notch, the single screw thread of the threaded portion is triangle
Body structure simultaneously extends along rectangle holdfast body portion outward.
Further, the height of the rectangle holdfast main body is greater than the maximum major diameter in rectangle holdfast main body cross section, described
The height of rectangle holdfast main body is 8-12mm, and the cross section maximum major diameter of the rectangle holdfast main body is 1.8-3.5mm；The square
The major diameter in the cross section of shape holdfast main body is greater than the minor axis in cross section, and the minor axis length in the cross section of the rectangle holdfast main body is
1.2-2.5mm。
Preferably, the height of the rectangle holdfast main body is 10mm, the cross section maximum major diameter of the rectangle holdfast main body
For 2.5mm, the minor axis length in the cross section of the rectangle holdfast main body is 2.0mm.
Another technical solution: cylindrical dynamic pressing suture anchor
The holdfast main body and holdfast body portion are cylindrical structure, the holdfast dynamic pressurization slot be from holdfast tail portion to
The cylindrical structure that holdfast head cross sectional area is gradually increased, cylindrical holdfast dynamic pressurization slot is in the upper surface of holdfast tail portion
The slot that the heart opens up is circular configuration；The holdfast dynamic pressurization bolt is the circle to match with cylindrical holdfast dynamic pressurization slot
Column construction, a pair of notches are the cylindrical structure consistent with the form of cylindrical holdfast dynamic pressurization bolt, the threaded portion
For the external thread structure to extend outside from cylindrical holdfast body portion.
Further, the diameter of the cylindrical holdfast main body is 1.8-3.5mm, the height of the cylinder holdfast main body
For 8-12mm.
Preferably, the diameter of the cylindrical holdfast main body is 2.5mm, and the height of the cylinder holdfast main body is
10mm。
The utility model has the advantages that the utility model provides a kind of fixed form of completely new tendon suture holdfast, in tightening suture
When, being pressurizeed by sliding enhances the contact stress of holdfast main body and bone tissue, can effectively prevent the loosening and slippage of holdfast.It is closing
When section activity, by dynamic pressurization bolt and holdfast main body, the tensile stress that tendon is shunk is converted into holdfast to the pressure of bone tissue
Stress further enhances stability of the holdfast in bone, is conducive to tendon-bone healing by dynamic pressurization.The utility model structure
Simply, can effectively prevent the appearance in holdfast fixation procedure holdfast loosen and transfer to phenomenon, be particularly suitable for bone amount reduce or
The tendon suture of sufferers of osteoporosis face is fixed, and clinical promotion and application are worth.
Detailed description of the invention
Fig. 1 is the axis side view of the utility model rectangle dynamic pressing suture anchor.
Fig. 2 is the main view of the utility model rectangle dynamic pressing suture anchor.
Fig. 3 is the top view of the utility model rectangle dynamic pressing suture anchor.
Fig. 4 is the axis side view of the utility model cylinder dynamic pressing suture anchor.
Fig. 5 is the main view of the utility model cylinder dynamic pressing suture anchor.
Fig. 6 is the top view of the utility model cylinder dynamic pressing suture anchor.
In figure: 1, rectangle holdfast main body；11, rectangle holdfast tail portion；12, rectangle holdfast body portion；13, rectangle holdfast head；
14, rectangle holdfast threaded portion；15, rectangle dynamic pressurization slot；2, rectangle dynamic pressurization bolt；21, rectangle dynamic pressurization bolt main body；
22, rectangle dynamic pressurization bolt suture fixation hole；3, cylindrical holdfast main body；31, cylindrical holdfast head；32, cylindrical holdfast
Body portion；33, cylindrical holdfast tail portion；34, cylindrical dynamic pressurization slot；35, cylindrical holdfast threaded portion；4, cylindrical power adds
Press bolt；41, cylindrical dynamic pressurization bolt main body；42 cylindrical dynamic pressurization bolt suture fixation holes.
Specific embodiment
Further describe the utility model combined with specific embodiments below, but examples are merely exemplary, it is not right
The scope of the utility model constitutes any restrictions.It will be understood by those skilled in the art that without departing from the utility model
Under spirit and scope can details to technical solutions of the utility model and form modify or replace, but these modifications and replace
It changes and each falls in the protection scope of the utility model.
Material used in the rivet nut and dynamic pressurization bolt of the dynamic pressing suture anchor of the utility model can be medical gold
Belong to material, can also be resorbable polymeric materials, such as PLA such as titanium and titanium-base alloy.According to dynamic pressurization fixation principle, originally
Utility model provides the embodiment of the dynamic pressurization suture anchor of two kinds of forms.
1 rectangle dynamic pressing suture anchor of embodiment
As shown in Figure 1, rectangle dynamic pressing suture anchor includes 2 liang of rectangle holdfast main body 1 and rectangle dynamic pressurization bolt
Part.The rectangle holdfast main body 1 is structure as a whole, and main view and top view are rectangular configuration.As shown in Fig. 2, rectangle anchor
Body height a > rectangle holdfast main body cross section major diameter b is followed closely, rectangle holdfast body height is 8-12mm, preferably 10mm；Square
The cross section major diameter of shape holdfast main body is 1.8-3.5mm, preferably 2.5mm.As shown in figure 3, rectangle holdfast main body in top view
Cross section major diameter b > cross section minor axis c, minor axis the length 1.2-2.5mm, preferably 2.0mm in cross section.Cross section
Rectangle form, on the one hand convenient for holdfast merging bone in, be on the one hand conducive to suture when suture can in bone it is free to slide without
It is cut by bone tissue and generates fractureing for suture.
The rectangle holdfast main body 1 includes: rectangle holdfast head 13, rectangle holdfast body portion 12, rectangle holdfast tail portion 11, square
Shape holdfast threaded portion 14 and rectangle dynamic pressurization slot 15.Shown in Fig. 1, rectangle holdfast head 13 is located at rectangle holdfast main body 1
Lower section, highly account for the 1/5-1/3 of 1 height of rectangle holdfast main body, preferably 1/4, the major diameter in cross section, which is less than, includes rectangle anchor
The major diameter in the rectangle holdfast main body cross section including threaded portion 14 is followed closely, end rounded structure is conducive to the merging and fixation of holdfast.
Rectangle holdfast body portion 12 is located at the middle part of rectangle holdfast main body 1, highly accounts for the 1/3-3/5 of 1 height of rectangle holdfast main body, preferably
1/2.Rectangle holdfast tail portion 11 is located at the top of rectangle holdfast main body 1, highly accounts for the 1/5-1/ of 1 height of rectangle holdfast main body
3, preferably 1/4, rectangle holdfast tail portion 11 is the equilateral side 4-6 body structure, and preferably 6 side bodies can be placed in external holdfast
Handle is connected, and holdfast is facilitated to be placed in.Rectangle holdfast threaded portion 14 is multiple triangle body structures, from rectangle holdfast body portion 12 to side
Fang Yanshen, distal end angle (angle d) are acute angle, are smoothly placed in convenient for holdfast.Proximal end angle (angle e), be greater than or equal to 90 °, triangle body to
The distance that side extends is 0.2-0.5mm, preferably 0.4mm.The rectangle dynamic pressurization slot 15, first with rectangle holdfast tail portion
Rectangular channel, width 0.5-1mm are opened centered on the central point of 11 upper surface, then are with 1 cross section central point of rectangle holdfast main body
Dovetail groove is opened along 1 radial direction of rectangle holdfast main body in center, and the top area of dovetail groove is less than lower part area, this dovetail groove and rectangle
The form of dynamic pressurization bolt 2 is consistent, and accommodates rectangle dynamic pressurization bolt 2.
The rectangle dynamic pressurization bolt 2 is an integral structure, including rectangle dynamic pressurization bolt main body 21 and rectangle power add
Press bolt suture fixation hole 22.The rectangle dynamic pressurization bolt main body 21 is the trapezoidal knot that upper bottom edge area is less than bottom area
Structure, form are consistent with rectangle dynamic pressurization 15 forms of slot.The rectangle dynamic pressurization bolt suture fixation hole 22 is arranged in rectangle
The lower part of dynamic pressurization bolt main body 21 opens up a pair of and rectangle along the radial direction of rectangle holdfast main body 1 with the center of cross section major diameter
The form of the notch that dynamic pressurization slot 15 is connected, a pair of notch is consistent with the form of the dynamic pressurization bolt and exposes
The rectangle dynamic pressurization bolt suture fixation hole 22 out, a pair of notch and the rectangle dynamic pressurization bolt suture fixation hole 22
Connection forms suture and penetrates channel, for the entrance of the fixed suture of holdfast.
The cylindrical dynamic pressing suture anchor of embodiment 2
As shown in figure 4, cylindrical dynamic pressing suture anchor includes: that cylindrical holdfast main body 3 and cylindrical power add
Press 4 two parts of bolt.
The cylinder holdfast main body 3 is an integral structure, including cylindrical holdfast head 31, cylindrical holdfast body portion
32, cylindrical holdfast tail portion 33, cylindrical dynamic pressurization slot 34, cylindrical holdfast threaded portion 35.The cylinder holdfast main body 3
Shaft diameter be 1.8-3.5mm, preferably 2.5mm, be highly 8-12mm, preferably 10mm.
As shown in figure 4, the cylinder holdfast head 31 is located at the lower section of cylindrical holdfast main body 3, cylindrical power is accounted for
The 1/5-1/3 for suture anchor body height of pressurizeing, preferably 1/4.The cylinder holdfast body portion 32 is located at cylindrical holdfast head
Between portion and tail portion, the 1/3-3/5 of cylindrical 3 height of holdfast main body is highly accounted for, preferably 1/2.The cylinder holdfast tail portion
33 are located at the top of cylindrical holdfast main body 3, highly account for the 1/3-1/5 of cylindrical 3 height of holdfast main body, and preferably 1/4, for etc.
The gengon structure on side can be the side 4-6 body, preferably 6 side bodies.
The cylinder dynamic pressurization slot 34 is located at the center of cylindrical holdfast main body 3, from cylindrical holdfast tail portion
The 33 cylindrical dynamic pressurization slots opened up to cylindrical holdfast head 31, the top area of cylindrical dynamic pressurization slot 34 are less than
Lower part area.The form of cylindrical dynamic pressurization slot 34 is consistent with the form of the cylindrical dynamic pressurization bolt 4.
The cylinder holdfast threaded portion 35 is the external thread structure to extend outside from cylindrical holdfast body portion 32, outer spiral shell
Line diameter is 1.8-3.5mm, and screw pitch is not done specifically limited.
The cylinder dynamic pressurization bolt 4 is an integral structure, including cylindrical dynamic pressurization bolt main body 41 and cylinder
Dynamic pressurization bolt suture fixation hole 42.The cylinder dynamic pressurization bolt main body 41 is that upper bottom edge area is less than bottom area
Cylindrical structure, consistent with cylindrical 34 form of dynamic pressurization slot, cylindrical dynamic pressurization bolt 4 is located at cylindrical dynamic pressurization slot
In 34.The cylinder dynamic pressurization bolt suture fixation hole 42 is located at the lower part of cylindrical dynamic pressurization bolt 4, passes through from center
The channel worn, for the channel of fixed suture, diameter 0.5-1mm, preferably 0.8mm.After holdfast is placed in bone, when tightening suture
When, dynamic pressurization bolt is slided along dynamic pressurization slot to nail tail portion, and holdfast main body is pressurizeed to bone tissue, is increased holdfast and is fixed
Incipient stability.When joint motion, tendon, ligament can be shunk the tensile stress generated and be converted into holdfast main body to bone tissue
Compression, further enhance the kinetic stability of bone and tendon tissue, promote tendon-bone healing.
Claims (9)
1. a kind of dynamic pressing suture anchor, which is characterized in that including holdfast main body and holdfast dynamic pressurization bolt two parts, institute
It states holdfast main body to be structure as a whole, including holdfast head, holdfast body portion, holdfast tail portion, holdfast dynamic pressurization slot and threaded portion；Institute
Holdfast body region is stated between holdfast head and holdfast tail portion, the bottom edge on the holdfast head is rounded structure, the holdfast tail
Portion is gengon structure, offers from the center of holdfast tail portion upper surface along the radial direction of holdfast main body and stretches to holdfast head
The area of holdfast dynamic pressurization slot, the holdfast dynamic pressurization slot cross section is gradually increased from holdfast tail portion to holdfast head；
The holdfast dynamic pressurization bolt is structure as a whole, and the holdfast dynamic pressurization bolt includes that dynamic pressurization bolt main body and suture are solid
Determine hole, the structure of the holdfast dynamic pressurization bolt and the structure of the holdfast dynamic pressurization slot match, and the holdfast power adds
The height of pressure bolt, which is less than the height of holdfast dynamic pressurization slot and is contained in holdfast dynamic pressurization slot, to be slided, and the suture is solid
Determining hole is the circular through hole for being positioned close to the dynamic pressurization bolt main body one end on holdfast head, opposite with the suture fixation hole
The outer surface of holdfast main body radially offers a pair of notch being connected with holdfast dynamic pressurization slot, the shape of a pair of notch
State is consistent with the form of the dynamic pressurization bolt and exposes the suture fixation hole, and a pair of notch and the suture are solid
Determine hole and is connected to form suture and penetrate channel；The threaded portion is symmetricly set on the plane to be connected to a pair of notches as the institute of the plane of symmetry
On the lateral surface for stating holdfast main body.
2. a kind of dynamic pressing suture anchor according to claim 1, which is characterized in that the height on the holdfast head
The 1/5-1/3 of holdfast body height is accounted for, the major diameter in the cross section on the holdfast head is less than the holdfast main body comprising threaded portion
Cross section major diameter；The height in holdfast body portion accounts for the 1/3-3/5 of holdfast body height；The height of the holdfast tail portion accounts for holdfast
The 1/5-1/3 of body height, the holdfast tail portion are the equilateral gengon structure of the side 4-6 body.
3. a kind of dynamic pressing suture anchor according to claim 2, which is characterized in that the height on the holdfast head
The 1/4 of holdfast body height is accounted for, the height in holdfast body portion accounts for the 1/2 of holdfast body height, the height of the holdfast tail portion
The 1/4 of holdfast body height is accounted for, the holdfast tail portion is to wait 6 side body structures.
4. a kind of dynamic pressing suture anchor according to claim 1,2 or 3, which is characterized in that the holdfast main body
Be rectangular configuration with holdfast body portion, the holdfast dynamic pressurization slot be from holdfast tail portion to holdfast head cross sectional area gradually
The trapezium structure of increase, trapezoidal holdfast dynamic pressurization slot are rectangular configuration in the slot that holdfast tail portion upper surface center opens up；Institute
Stating holdfast dynamic pressurization bolt is the trapezium structure to match with trapezoidal holdfast dynamic pressurization slot, and a pair of notches is dynamic with trapezoidal holdfast
The consistent trapezium structure of the form of power pressurization bolt, the single screw thread of the threaded portion is for triangle body structure and along rectangle holdfast body
Portion extends outward.
5. a kind of dynamic pressing suture anchor according to claim 1,2 or 3, which is characterized in that the holdfast main body
Be cylindrical structure with holdfast body portion, the holdfast dynamic pressurization slot be from holdfast tail portion to holdfast head cross sectional area by
Cumulative big cylindrical structure, cylindrical holdfast dynamic pressurization slot are round in the slot that holdfast tail portion upper surface center opens up
Structure；The holdfast dynamic pressurization bolt is the cylindrical structure to match with cylindrical holdfast dynamic pressurization slot, and a pair of notches is
The cylindrical structure consistent with the form of cylindrical holdfast dynamic pressurization bolt, the threaded portion be from cylindrical holdfast body portion to
The external thread structure that periphery extends.
6. a kind of dynamic pressing suture anchor according to claim 4, which is characterized in that the rectangle holdfast main body
Height is greater than the maximum major diameter in rectangle holdfast main body cross section, and the height of the rectangle holdfast main body is 8-12mm, the rectangle
The cross section maximum major diameter of holdfast main body is 1.8-3.5mm；The major diameter in the cross section of the rectangle holdfast main body is greater than cross section
Minor axis, the minor axis length in the cross section of the rectangle holdfast main body is 1.2-2.5mm.
7. a kind of dynamic pressing suture anchor according to claim 6, which is characterized in that the rectangle holdfast main body
Height is 10mm, and the cross section maximum major diameter of the rectangle holdfast main body is 2.5mm, the cross section of the rectangle holdfast main body
Minor axis length is 2.0mm.
8. a kind of dynamic pressing suture anchor according to claim 5, which is characterized in that the cylinder holdfast main body
Diameter be 1.8-3.5mm, the height of the cylinder holdfast main body is 8-12mm.
9. a kind of dynamic pressing suture anchor according to claim 8, which is characterized in that the cylinder holdfast main body
Diameter be 2.5mm, the height of the cylinder holdfast main body is 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820502259.XU CN208926473U (en) | 2018-04-10 | 2018-04-10 | Dynamic pressing suture anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820502259.XU CN208926473U (en) | 2018-04-10 | 2018-04-10 | Dynamic pressing suture anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208926473U true CN208926473U (en) | 2019-06-04 |
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ID=66713965
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820502259.XU Expired - Fee Related CN208926473U (en) | 2018-04-10 | 2018-04-10 | Dynamic pressing suture anchor |
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| CN (1) | CN208926473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784764A (en) * | 2018-04-10 | 2018-11-13 | 上海市第六人民医院 | Dynamic pressing suture anchor |
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2018
- 2018-04-10 CN CN201820502259.XU patent/CN208926473U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784764A (en) * | 2018-04-10 | 2018-11-13 | 上海市第六人民医院 | Dynamic pressing suture anchor |
| CN108784764B (en) * | 2018-04-10 | 2024-06-28 | 上海市第六人民医院 | Power pressurizing type suture anchor |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |