CN108852439A - A kind of suture tissue fixation device - Google Patents
A kind of suture tissue fixation device Download PDFInfo
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- CN108852439A CN108852439A CN201810840105.6A CN201810840105A CN108852439A CN 108852439 A CN108852439 A CN 108852439A CN 201810840105 A CN201810840105 A CN 201810840105A CN 108852439 A CN108852439 A CN 108852439A
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- Prior art keywords
- suture
- fixation device
- anchor log
- tissue fixation
- fixing piece
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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
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0491—Sewing machines for surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0482—Needle or suture guides
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
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- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of suture tissue fixation devices, including the anchor log and at least one fixing piece being connected with the anchor log contacted with tissue, the fixing piece is equipped at least one by distally penetrating through to the suture channel of proximal end, the anchor log is equipped at least one suture entrance, the distal end of the fixing piece is connected between the suture channel and the suture entrance by being connected between the suture entrance and the anchor log.Suture tissue fixation device of the invention is fitted in tissue surface when in use, by anchor log, and the end of suture is successively sutured line entrance and suture channel is pierced by, and after the length for regulating suture, carries out knotting fixation.The knotting that the present invention can assist doctor quickly and easily to complete suture is fixed, shorten operating time, suture length can also be adjusted precisely in real time in the course of surgery, guarantee the effective length of the suture after knotting, improve the therapeutic effect and success rate of operation of operation.
Description
Technical field
The invention belongs to medical instruments field more particularly to a kind of suture tissue fixation devices.
Background technique
It is frequently necessary to the operating procedure for being knotted and being fixed to suture during surgery, the speed and quality of knotting is not only
It is related with the length of operating time, it also will affect entire surgical quality and the prognosis of patient, or even endanger the life security of patient.
Knot of low quality or incorrect knotting, can rambunctiously pull tissue, repair more particularly, to vascular surgery or mitral valve
When the delicate procedures such as multiple art, security and the reliability that even more will lead to ligation are poor, cause postoperative knot slippage or untwisting.
Traditional knot tying fashion usually manually or by instruments such as vessel forceps, needle holders is knotted by doctor manually, is operated numerous
It is trivial, time-consuming, more demanding to the operational capacity of doctor, and knot after suture be in tensioned state.In mitral valve
In film prosthetic, doctor is first implanted into one or more suture in leaflet, then the end of suture is fixed on apex of the heart tissue
On, need opening and closure for leaflet to reserve certain space in fixation procedure, therefore the suture after knotting cannot be located
In tensioned state, and the length in reserve of suture is very big to operation influential effect.In current operative process, doctor
It needs to prejudge and reserve the suitable length of suture, then is fixed by surgical instruments such as surgical clamps, is inserted into below surgical clamp
Leader's art clamps fixed suture, then could start the operation of suture knotting.This knotting fixed form has following lack
It falls into：(1) complicated for operation, doctor can not complete independently, it is sometimes desirable to assistant；(2) surgical clamp be easy to cause seam when alternately
Zygonema loosens, and can only restart to knot and fix, operation takes a long time；It (3) can not be precisely in real time in knotting fixation procedure
Adjust suture length；(4) if the suture length reserved after doctor's anticipation is improper, knotting operation can only be restarted.
Summary of the invention
Based on this, it is necessary to provide a kind of suture tissue fixation device, not only doctor can be assisted quickly and easily complete
It is fixed at the knotting of suture, shortens operating time, suture length can also be adjusted precisely in real time in the course of surgery,
The effective length for guaranteeing the suture after knotting, avoids operator's caused suture length in reserve when directly knotting to suture
Deviation, to improve the therapeutic effect and success rate of operation of operation.
Technical scheme is as follows：
A kind of suture tissue fixation device, including with tissue contact binding face, at least one suture entrance and with
The connected suture channel of the suture entrance, the suture channel is for accommodating and by suture, the suture
The length range by proximal end to distal end in channel is 3mm to 5mm, and the diameter range of the suture channel is that 0.1mm is
0.5mm。
Further, the suture tissue fixation device include with the anchor log that contacts of tissue, the anchor log it is remote
End face is contacted with tissue, and the outer wall of the anchor log is equipped at least one suture channel, the proximal end face of the anchor log to institute
Stating the distance between the distal face of anchor log range is 3mm to 5mm.
Further, the outer wall of the anchor log is equipped with multiple suture channels, and the two neighboring suture is logical
The range of the difference of vertical range between road and the anchor log central axis is 0.5mm to 1.5mm.
Further, stating suture tissue fixation device includes the anchor log contacted with tissue, the distal end of the anchor log
Face contacts with tissue and is equipped at least one described suture entrance, and the suture channel is arranged in the anchor log, and
It penetrates through from the proximal end face of the anchor log to the distal face of the anchor log.
Further, the suture channel includes at least one groove.
Further, the suture channel includes multiple grooves, the two neighboring groove and the anchor log center
The range of the difference of vertical range between axis is 0.5mm to 1.5mm.
Further, the suture tissue fixation device include with the anchor log that contacts of tissue and at least one with it is described
The connected fixing piece of anchor log, the distal face of the anchor log contact with tissue and are equipped at least one described suture entrance,
The fixing piece is equipped at least one by distally penetrating through to the suture channel of proximal end, and the distal end of the fixing piece passes through the seam
It is connected between zygonema entrance and the anchor log.
Further, the length range by proximal end to distal end of the fixing piece is 3mm to 5mm.
Further, the quantity of the fixing piece is two, and the anchor log is set there are two suture entrance, and each institute
The distal end for stating fixing piece passes through respectively to be connected between the suture entrance and the anchor log.
Further, it is 5mm that the distance between two described fixing pieces range, which is 1mm,.
Further, at least one limiting slot is set on the outer wall of the fixing piece, and the limiting slot is from the fixing piece
Outer wall be through to the suture channel.
Further, multiple limiting slots are set on the outer wall of the fixing piece, and each limiting slot is in the fixation
Length in part axial direction is different.
Further, the range of the difference of length of the two neighboring limiting slot in the fixing piece axial direction is 0.5mm
To 1.5mm.
Further, the fixing piece further includes the pars contractilis being axially arranged along the fixing piece, the pars contractilis by
Flexible material or elastic material are made, axial elongation or contracting of the pars contractilis when by external force along the fixing piece
It is short.
It further, further include at least one friction enhancement on the outer wall of the fixing piece.
Further, the suture tissue fixation device is made of biocompatible materials, the biocompatibility material
Material is in stainless steel, pure titanium, NiTi, polyurethane, block polyetheramides elastomer, nylon or polyethylene terephthalate
It is at least one.
It further, include at least one friction enhancement on the binding face.
Further, coat active medicine on the binding face, the active medicine be selected from inhibit blood vessel hyperplasia drug,
At least one of anti-thrombotic drugs, anti-inflammatory response drug or Claritin.
Further, it is described inhibit blood vessel hyperplasia drug in taxol, rapamycin and its derivative at least
It is a kind of；The anti-thrombotic drugs are selected from heparin；The drug of the anti-inflammatory response is selected from dexamethasone；The antisensitizer object
At least one selected from calcium gluconate, chlorpheniramine or cortisone.
Suture tissue fixation device of the invention compared with prior art, at least has the advantages that：
(1) knotting that auxiliary operation person quickly and easily completes suture is fixed, and shortens operating time；
(2) it adjusts suture length precisely in real time in the course of surgery, guarantees effective length of the suture after knotting
Degree；
(3) operator's caused suture length in reserve deviation when directly knotting to suture is avoided, controlling for operation is improved
Therapeutic effect and success rate of operation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of main view for suture tissue fixation device that first embodiment of the invention provides.
Fig. 2 is the schematic perspective view of the suture tissue fixation device in Fig. 1.
Fig. 3 is a kind of main view for suture tissue fixation device that second embodiment of the invention provides.
Fig. 4 is the schematic perspective view of the suture tissue fixation device in Fig. 3.
Fig. 5 is a kind of schematic perspective view for suture tissue fixation device that third embodiment of the invention provides.
Fig. 6 is the top view of the suture tissue fixation device in Fig. 5.
Fig. 7 be Fig. 6 in suture tissue fixation device along the sectional view of A-A.
Fig. 8 is the schematic diagram that the suture tissue fixation device that third embodiment of the invention provides is used to fix suture.
Fig. 9 is a kind of schematic perspective view for suture tissue fixation device that fourth embodiment of the invention provides.
Figure 10 is the top view of the suture tissue fixation device in Fig. 9.
Figure 11 and Figure 12 is that the suture tissue fixation device that fourth embodiment of the invention provides is used to fix suture
Process schematic.
Figure 13 is a kind of schematic perspective view for suture tissue fixation device that fifth embodiment of the invention provides.
Figure 14 is the top view of the suture tissue fixation device in Figure 13.
Figure 15 is the cross-sectional view of the suture tissue fixation device in Figure 14.
Figure 16 is the cross-sectional view in another direction of the suture tissue fixation device in Figure 14.
Figure 17 is the schematic diagram that the suture tissue fixation device that fifth embodiment of the invention provides is used to fix suture.
Figure 18 is a kind of schematic perspective view for suture tissue fixation device that sixth embodiment of the invention provides.
Figure 19 is the main view of the suture tissue fixation device in Figure 18.
Figure 20 is the top view of the suture tissue fixation device in Figure 18.
Figure 21 is the cross-sectional view of the suture tissue fixation device in Figure 20.
Figure 22 a to Figure 22 d is that a kind of another kind for suture tissue fixation device that sixth embodiment of the invention provides is real
Apply the schematic diagram of mode, wherein Figure 22 a is schematic perspective view, and Figure 22 b is main view, and Figure 22 c is top view, and Figure 22 d is
The cross-sectional view of Figure 22 c.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The term " includes " and " having " and their any changes occurred in present specification, claims and attached drawing
Shape, it is intended that cover and non-exclusive include.Such as contain the process, method of a series of steps or units, system, product or
Equipment is not limited to listed step or unit, but optionally further comprising the step of not listing or unit or optional
Ground further includes the other step or units intrinsic for these process, methods, product or equipment.In addition, term " first ", " the
Two " and " third " etc. are and to be not intended to describe specific sequence for distinguishing different objects.
In order to describe clearly, the one end that will be close to operator below is referred to as proximal end, and the one end that will be far from operator is referred to as remote
End.
Embodiment one
A kind of suture tissue fixation device 1000 that embodiment one provides, for suture 200 to be fixed on patient's body
Interior tissue is especially fixed on the outside of such as heart organ.
Referring to Figure 1 and Fig. 2, suture tissue fixation device 1000 include the binding face 12 contacted with tissue, at least one
A suture entrance 11 and the suture channel 21 being connected with suture entrance 11.Suture channel 21 is for accommodating and passing through seam
Zygonema 200.The length range by proximal end to distal end of suture channel is 3mm to 5mm.The diameter range of suture channel is
0.1mm is 0.5mm.
Suture tissue fixation device 1000 includes the anchor log 10 contacted with tissue.The distal face 102 of anchor log 10 pastes
It closes in exterior heart surface, that is, binding face 12 of the distal face 102 of anchor log 10 as suture tissue fixation device 1000.Anchor
Determining part 10 can be that (thickness of anchor log 10 refers to proximal end face 101 by anchor log 10 to its distal face 102 with certain thickness
The distance between) fine and close sheet, forms, the shape such as netted, grid-like be not construed as limiting, can be rectangle, square, circle,
Star, ellipse etc., as long as guaranteeing its contact area between tissue.The thickness range of anchor log 10 be 3mm extremely
5mm.In order to guarantee that the engaging force between anchor log 10 and tissue, anchor log 10 should have certain effective contact area.It can be with
Understand, for ease of operation during knotting fixed, keeps suture tissue fixation device 1000 and tissue
Between relative position, enhance anchor log 10 and tissue between engaging force, the distal face 102 (that is, binding face 12) of anchor log 10
On further include at least one friction enhancement (not shown go out), to increase the frictional force between binding face 12 and tissue.Friction
Enhanced portion can be the protrusion knot of the fin being convexly equipped on binding face 12, double wedge, barb, boss or other irregular distributions
Structure can also be the rough surface at least partly covering binding face 12, be rubbed for example, can cover on binding face 12 by silica gel etc.
Gasket made of the higher biocompatible materials of coefficient is wiped, to improve the surface roughness coefficient of binding face 12.Friction enhancing
Portion can also be the magnetic substance being arranged on binding face 12, at this point, being also provided with corresponding magnetic substance on the other side of tissue, lead to
Mutual magnetic attraction between the two is crossed, achievees the purpose that enhance the engaging force between anchor log 10 and tissue.
It is understood that in other embodiments, active medicine can also be coated on binding face 12, to improve fitting
The biocompatibility in face 12 avoids hyperplasia, tissue inflammation, allergy or local thrombus caused by anchor log 10 and tissue Long Term Contact
Equal adverse events, and histocyte climbing on binding face 12 is promoted to cover and grow.Active medicine, which is selected from, inhibits blood vessel hyperplasia
At least one of drug, anti-thrombotic drugs, anti-inflammatory response drug or Claritin.Inhibit the drug of blood vessel hyperplasia
Selected from least one of taxol, rapamycin and its derivative；Anti-thrombotic drugs are selected from heparin；The medicine of anti-inflammatory response
Object is selected from dexamethasone；Antisensitizer object is selected from at least one of calcium gluconate, chlorpheniramine or cortisone.In the present embodiment,
Coating dexamethasone drug on the distal face 102 (that is, with binding face 12 for contact of tissue) of anchor log 10, the mode of coating can be with
It is drop coating, spraying or impregnating technological means commonly used in the art, details are not described herein.
It will also be appreciated that especially applying in order to avoid the offset between anchor log 10 and tissue in such as heart
When the wet and slippery positions such as outer surface, anchor log 10 can also be fixed organizationally by modes such as suture, stitchings.For example, operator
Can use sewing needle directly by anchor log 10 suture organizationally, can also on anchor log 10 pre-production through-hole, be conducive to
Sewing needle passes through.
The outer wall of anchor log 10 is equipped with multiple suture channels 21, since the outer of anchor log 10 is arranged in suture channel 21
On wall, therefore, the distal end of suture channel 21 is as suture entrance 11.Two neighboring suture channel 21 and anchor log 10
The range of the difference d1 of vertical range between central axis is 0.5mm to 1.5mm.Suture 200 can be from different suture channels
It passes through to knot on the distal face 102 of anchor log 10 again in 21 and fix, due to two neighboring suture channel 21 and anchor log 10
Central axis between vertical range it is different, therefore, when suture 200 passes through different suture channels 21, be equivalent to pre-
Length after different knottings has been stayed to adjust suture 200 precisely in real time to reach during surgery according to therapeutic effect and grow
The purpose of degree.
Suture tissue fixation device 1000 should be made of biocompatible materials, such as can be by stainless steel, pure titanium, nickel
The metal material processings such as titanium form, can also be by polyurethane (referred to as：PU), block polyetheramides elastomer (abbreviation：Pebax),
Nylon, polyethylene terephthalate are (referred to as：) etc. PET high molecular materials are process.
Embodiment two
The structure of suture tissue fixation device 1000a that embodiment two provides is fixed with the suture tissue of embodiment one
The structure of device 1000 is essentially identical, and difference place is that in the present embodiment, suture channel 21 is located at the interior of anchor log 10
Portion.
Specifically, Fig. 3 and Fig. 4 is referred to, at least one suture channel 21 is set in anchor log 10, in the present embodiment,
Two suture channels 21 parallel to each other are symmetrically arranged in anchor log 10.The size shape of two suture channels 21 can be with
Identical to can also be different, in the present embodiment, the shape and size of two suture channels 21 are essentially identical.Each suture is logical
Distal face 102 of the road 21 from the perforation of proximal end face 101 of anchor log 10 to anchor log 10, the distal face 102 and group of anchor log 10
It knits and contacts and be equipped at least one suture entrance 11, each suture entrance 11 phase between a suture channel 21 respectively
Connection.
At least one axially disposed groove 211 in suture channel 21.In the present embodiment, in each suture channel 21
Three grooves 211 are set, and two neighboring groove 211 is different from the vertical range between the central axis of anchor log 10, this is apart from it
The range of poor d2 is 0.5mm to 1.5mm.As a result, when suture 200 passes through suture channel 21, it can be installed on different
In groove 211, then knots and fix on the distal face 102 of anchor log 10.Due in two neighboring groove 211 and anchor log 10
Vertical range between mandrel is different, therefore, when suture 200 passes through different grooves 211, be equivalent to reserved it is different
Length after knotting.
Embodiment three
Fig. 5 to Fig. 8 is referred to, suture tissue fixation device 100 provided in this embodiment includes the anchor contacted with tissue
Determine part 10 and at least one fixing piece being connected with anchor log 10 20, fixing piece 20 is equipped at least one by distally penetrating through to proximal end
Suture channel 21, anchor log 10 is equipped at least one suture entrance 11, and the distal end of fixing piece 20 passes through suture entrance
It is connected between 11 and anchor log 10, and is connected between suture channel 21 and suture entrance 11.Seam provided in this embodiment
Anchor log 10 when in use, is first fitted in tissue surface by zygonema tissue fixation device 100, and the end of suture 200 successively passes through
Suture entrance 11 and suture channel 21 are pierced by, and are fixed on fixing piece 20, so that suture 200 is fixed on tissue
On.In the present embodiment, anchor log 10 is set there are two suture entrance 11, and the end of two sutures 200 is each passed through wherein one
A suture entrance 11.
Anchor log 10 and fixing piece 20 can be made of identical material, can also be made from a variety of materials.Anchor log
It can be integrally formed by modes such as injection molding, 3D printings between 10 and fixing piece 20, be fixedly connected again after can also making respectively,
Connection type can be the non-dismountable connection such as bonding, welding, interference fit, or threaded connection etc. and be detachably connected.This reality
It applies in example, anchor log 10 and fixing piece 20 are made of PU, and are integrally formed by way of injection molding therebetween, that is, entire
Suture tissue fixation device 100 is made of PU injection molding.
Fig. 5 and Fig. 6 is referred to, fixing piece 20 can use the structures such as cylindrical, prismatic, preferably cylindrical.It is fixed
The quantity of part 20 is two, and each fixing piece 20 is equipped with one by distally penetrating through to the suture channel 21 of proximal end, that is, Gu
Determining part 20 is hollow structure.The distal end of each fixing piece 20 passes through suture entrance 11 and anchoring on an anchor log 10 respectively
It is connected between part 10, and each suture channel 21 is connected with a suture entrance 11 respectively, as a result, suture 200
End is successively pierced by via a suture entrance 11 and a suture channel 21.
In order to avoid cutting or injury suture line, the suture entrance 11 of anchor log 10 and the suture channel of fixing piece 20
21 inner surface should all Glabrous thorn.Between the proximal end face and suture channel 21 of fixing piece 20, the distal end of fixing piece 20
It should all smoothly transit between surface and suture entrance 11.
It further include at least one friction enhancement (not shown go out) on the outer wall 22 of fixing piece 20.As a result, in operator's hand
Fixing piece 20 is held, or during gripping part 20 using instruments such as surgery forceps, tweezers, can avoid fixing piece 20 from operating
It is slipped in person's hand or in the instruments such as pincers, tweezer, convenient for operator by the suture channel 21 of the end self-retaining part 20 of suture 200
Middle extraction.Friction enhancement can be the fin being convexly equipped on the outer wall 22 of fixing piece 20, double wedge, barb, boss or other
The bulge-structure of irregular distribution can also be the rough surface at least partly covering the outer wall 22 of fixing piece 20, for example, can be with
The gasket made of coefficient of friction higher biocompatible materials is covered on the outer wall 22 of fixing piece 20, to improve outer wall
22 surface roughness coefficient.
Referring to Fig. 7, the size of anchor log 10 and the size of fixing piece 20 should be adjusted according to different using position, multiple
The length of fixing piece 20 may be different or the same, preferably identical.The quantity and size of fixing piece 20 will affect operation just
Victory and surgical effect, for example, being repaired when suture tissue fixation device 100 provided in this embodiment is used for mitral valve
When multiple art, operator needs suture tissue fixation device 100 being placed on the apex of the heart, and the end of suture 200 is passed through ventricle
Wall, the fixing piece 20 for being then passed through suture tissue fixation device 100 knot and fix later, when knotting, need for bicuspid valve
Leaflet closure and contraction reserve certain space, therefore, certain length is reserved to suture 200, therefore, each fixation
The length H range by proximal end to distal end of part 20 is 3mm to 5mm, and the diameter ID range of suture channel 21 is that 0.1mm is
0.5mm.It is 5mm that the distance between two fixing pieces 20 L range, which is 1mm,.In the present embodiment, the length of two fixing pieces 20 is
4mm, the diameter of the suture channel 21 in each fixing piece 20 are 0.3mm, and the distance between two fixing pieces 20 are 3mm.
Referring to Fig. 8, below by taking mitral valve reparation art as an example, illustrate that suture tissue provided in this embodiment is fixed
The use process of device 100：First one group of suture 200 is implanted into respectively in mitral frontal lobe and rear leaf, every group of suture 200
Quantity is one or more.Then by the end of two groups of sutures 200 respectively from the suture channel 21 of two fixing pieces 20
Draw, the binding face 12 of anchor log 10 be placed on apex of the heart outer surface, and keep suture tissue fixation device 100 and heart it
Between relative position it is constant.Then suture 200 is pulled, two groups of sutures 200 can be pulled simultaneously, can also individually pull one
Group suture 200 is finely adjusted, while observing mitral reflux events by medical images such as ultrasounds.It backflows most when observing
When slight state, illustrates that suture 200 has been adjusted to suitable length, the instruments such as surgical clamp, tweezer can be used at this time and grip
The outer wall 22 of part 20, then knot according to surgery knot tying fashion by 200 end of suture is fixed on two fixing pieces 20
Between distal end.Therefore, suture tissue fixation device 100 provided in this embodiment can quickly and easily be completed with auxiliary operation person
The knotting of suture 200 is fixed, and operating time is shortened；And operator can adjust seam precisely in real time in the course of surgery
200 length of zygonema guarantees the effective length of the suture 200 after knotting；It also can avoid operator directly to knot to suture 200
When caused 200 length in reserve deviation of suture, improve the therapeutic effect and success rate of operation of operation.Therefore it is particularly suitable for two
Suture 200 is fixed on to the operating process of the apex of the heart when valve reparation art of cusp.
It is understood that in other embodiments, when needing that multiple groups suture 200 more than two is fixed together
When, multiple fixing pieces 20 can be set on anchor log 10, every group of suture 200 is then passed through into one of fixing piece respectively
20 draw, then the knotting of multiple groups suture 200 is fixed together.
Example IV
The structure of the suture tissue fixation device 100a of example IV and the suture tissue fixation device of embodiment three
100 structure is essentially identical, and difference place is, in the suture tissue fixation device 100a of example IV, fixing piece 20
At least one limiting slot 23 is set on outer wall 22, the outer wall 22 of 23 self-retaining part 20 of limiting slot is through to suture channel 21, by
This, the end of suture 200 can pass through the limiting slot 23.
Specifically, Fig. 9 and Figure 10 is referred to, multiple limiting slots 23 are set on the outer wall 22 of fixing piece 20, limiting slot 23
Size is greater than or equal to the diameter of suture 200, and the inner and outer surfaces of limiting slot 23 are round and smooth sideline, do not have seamed edge corner angle
Burr etc., to avoid injury suture line.In the present embodiment, the quantity of limiting slot 23 is three, and the axial direction along fixing piece 20 is set
It sets, that is, parallel to each other between three limiting slots 23.Length of each limiting slot 23 in 20 axial direction of fixing piece is different, to reach
Adjust the purpose of 200 length of suture.Preferably, the model of the difference of length of the two neighboring limiting slot 23 in 20 axial direction of fixing piece
It encloses for 0.5mm to 1.5mm, is 1mm in the present embodiment.
It is understood that in other embodiments, the direction of limiting slot 23 and the axial direction of fixing piece 20 can not be identical,
That is, having certain angle between limiting slot 23 and the axial direction of fixing piece 20.
It will also be appreciated that in other embodiments, it can also be not parallel between multiple limiting slots 23, as long as limiting slot
Suture 20 can be passed through limiting slot 23 and fixed by 23 perforations to suture channel 11.
It will also be appreciated that in other embodiments, at least one double wedge can be set in limiting slot 23, further keep away
Exempt from suture 200 to slip from limiting slot 23.
Please referring also to Figure 11 and Figure 12, suture tissue fixation device 100a provided in this embodiment are when in use, first
The end of suture 200 is drawn from two fixing pieces 20 respectively, is then snapped into different limiting slots 23, while observing hand
Art effect judges the suitable length of suture 200 according to surgical effect, can at any time adjust suture 200 to different limits
In slot 23, after suture 200 is of convenient length, then the end of suture 200 is knotted and is fixed on fixing piece 20.
Embodiment five
The structure of the suture tissue fixation device 100b of embodiment five and the suture tissue fixation device of example IV
The structure of 100a is essentially identical, and difference place is, in the suture tissue fixation device 100b of the present embodiment, only one solid
Determine part 20 to be connected with anchor log 10, at least two limiting slots 23 are set on the outer wall 22 of fixing piece 20.
Specifically, referring to Figure 13 to Figure 16, anchor log 10 is equipped with a suture entrance 11, and a fixing piece 20 passes through
Suture entrance 11 is connected with anchor log 10, and fixing piece 20 is along being axially arranged with suture channel 21, and the outer wall 22 of fixing piece 20
Three limiting slots 23 of upper setting, the outer wall 22 of the equal self-retaining part 20 of each limiting slot 23 are through to suture channel 21.
Referring to Figure 17, in use, two suture tissue fixation device 100b can be used cooperatively, first by two sutures
Tissue fixation device 100b is individually positioned in tissue outer surface, then by the end of every (or every group) suture 200 respectively from
It is drawn in the fixing piece 20 of one of suture tissue fixation device 100b, then is each passed through different limiting slots 23, then
200 length of suture is adjusted, then the end of two (or two groups) sutures 200 is knotted and is fixed together.
It is understood that in use, the fixed 100b of a suture tissue can also be used only, by more (or multiple groups)
The end of suture 200 is drawn from the fixing piece 20 of suture tissue fixation device 100b, then is each passed through different limits
Position slot 23, then the end of more (or multiple groups) sutures 200 is knotted be fixed together.
Embodiment six
The structure of the suture tissue fixation device 100c of embodiment six and the suture tissue fixation device of embodiment three
100 structure is essentially identical, and difference place is, in the suture tissue fixation device 100c of the present embodiment, fixing piece 20 is also
Including the pars contractilis 24 being axially arranged along fixing piece 20.
Specifically, referring to Figure 18 to Figure 21, each fixing piece 20 is equipped with pars contractilis 24 along axial direction, and pars contractilis 24 is by gathering
Propylene is (referred to as：PP), polyethylene (abbreviation：) etc. PE flexible materials or elastic material are made, and in the present embodiment, pars contractilis 24 is by PE
It is made.Therefore, pars contractilis 24 can axial elongation along fixing piece 20 or shortening when by external force.Pars contractilis 24 is fold
Structure, the axial shortening when being compressed by external force, that is, the length of fixing piece 20 reduces；When by force-extension, pars contractilis 24
Axial elongation, that is, after the length of fixing piece 20 increases, therefore operator can first knot more sutures 200, then by adjusting
Stretching for pars contractilis 24, achievees the purpose that adjust accordingly 200 length of suture.
2a to Figure 22 d referring to fig. 2, it is to be understood that in other embodiments, can only be set on a fixing piece 20
Pars contractilis 24 is set, another fixing piece 20 is not provided with pars contractilis 24, also can reach the purpose for adjusting 200 length of suture.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is all differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
Only several embodiments of the present invention are expressed for embodiment described above, and the description thereof is more specific and detailed,
But it cannot be understood as limitations on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the present invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (19)
1. a kind of suture tissue fixation device, which is characterized in that including binding face, at least one suture contacted with tissue
Entrance and the suture channel being connected with the suture entrance, the suture channel is for accommodating and by suture, institute
The length range by proximal end to distal end for stating suture channel is 3mm to 5mm, and the diameter range of the suture channel is
0.1mm is 0.5mm.
2. suture tissue fixation device according to claim 1, which is characterized in that the suture tissue fixation device
Including the anchor log contacted with tissue, the distal face of the anchor log is contacted with tissue, and the outer wall of the anchor log is equipped at least
One suture channel, the proximal end face of the anchor log to the distance between the distal face of anchor log range be 3mm extremely
5mm。
3. suture tissue fixation device according to claim 2, which is characterized in that the outer wall of the anchor log is equipped with more
A suture channel, the difference of the vertical range between the two neighboring suture channel and the anchor log central axis
Range is 0.5mm to 1.5mm.
4. suture tissue fixation device according to claim 1, which is characterized in that the suture tissue fixation device
Including the anchor log contacted with tissue, the distal face of the anchor log contacts and is equipped at least one described suture to enter with tissue
Mouthful, the suture channel setting penetrates through in the anchor log, and from the proximal end face of the anchor log to the anchor log
Distal face.
5. suture tissue fixation device according to claim 4, which is characterized in that the suture channel includes at least
One groove.
6. suture tissue fixation device according to claim 5, which is characterized in that the suture channel includes multiple
Groove, the range of the difference of the vertical range between the two neighboring groove and the anchor log central axis be 0.5mm extremely
1.5mm。
7. suture tissue fixation device according to claim 1, which is characterized in that the suture tissue fixation device
Including with the tissue anchor log and at least one fixing piece being connected with the anchor log that contacts, the distal face of the anchor log and
Tissue contacts and is equipped at least one described suture entrance, at least one is equipped in the fixing piece by distally penetrating through to proximal end
Suture channel, the distal end of the fixing piece between the suture entrance and the anchor log by being connected.
8. suture tissue fixation device according to claim 7, which is characterized in that the fixing piece by proximal end to remote
The length range at end is 3mm to 5mm.
9. suture tissue fixation device according to claim 8, which is characterized in that the quantity of the fixing piece is two
A, the anchor log is set there are two suture entrance, and the distal end of each fixing piece passes through the suture respectively
It is connected between entrance and the anchor log.
10. suture tissue fixation device according to claim 9, which is characterized in that between two fixing pieces
Distance range is that 1mm is 5mm.
11. suture tissue fixation device according to claim 8, which is characterized in that set on the outer wall of the fixing piece
At least one limiting slot is set, the outer wall of the limiting slot from the fixing piece is through to the suture channel.
12. suture tissue fixation device according to claim 11, which is characterized in that set on the outer wall of the fixing piece
Multiple limiting slots are set, and length of each limiting slot in the fixing piece axial direction is different.
13. suture tissue fixation device according to claim 12, which is characterized in that the two neighboring limiting slot exists
The range of the difference of length in the fixing piece axial direction is 0.5mm to 1.5mm.
14. suture tissue fixation device according to claim 7, which is characterized in that the fixing piece further includes along institute
State the pars contractilis of fixing piece being axially arranged, the pars contractilis is made of flexible material or elastic material, the pars contractilis by
Axial elongation or shortening when to external force along the fixing piece.
15. suture tissue fixation device according to claim 7, which is characterized in that on the outer wall of the fixing piece also
Including at least one friction enhancement.
16. according to claim 1 to suture tissue fixation device described in any one of 15, which is characterized in that the suture
Line tissue fixation device is made of biocompatible materials, and the biocompatible materials are selected from stainless steel, pure titanium, NiTi, gather
At least one of urethane, block polyetheramides elastomer, nylon or polyethylene terephthalate.
17. according to claim 1 to suture tissue fixation device described in any one of 15, which is characterized in that the fitting
It include at least one friction enhancement on face.
18. according to claim 1 to suture tissue fixation device described in any one of 15, which is characterized in that the fitting
Active medicine is coated on face, the active medicine is selected from drug, anti-thrombotic drugs, the anti-inflammatory response medicine for inhibiting blood vessel hyperplasia
At least one of object or Claritin.
19. suture tissue fixation device according to claim 18, which is characterized in that the medicine for inhibiting blood vessel hyperplasia
Object is selected from least one of taxol, rapamycin and its derivative；The anti-thrombotic drugs are selected from heparin；It is described anti-inflammatory
The drug of disease reaction is selected from dexamethasone；The antisensitizer object is selected from least the one of calcium gluconate, chlorpheniramine or cortisone
Kind.
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| CN201810840105.6A CN108852439B (en) | 2018-07-27 | 2018-07-27 | Suture line tissue fixing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658035A (en) * | 2020-03-06 | 2020-09-15 | 倪一鸣 | Double-ended needle suture |
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| CN104434237A (en) * | 2014-10-08 | 2015-03-25 | 彭博 | Purse string suture tail-end tension fixing device for cardiac surgery department |
| CN105877796A (en) * | 2014-12-23 | 2016-08-24 | 吴有军 | Tension-reducing suture incision skin protecting pad |
| CN107427297A (en) * | 2015-02-06 | 2017-12-01 | 医疗创新开发公司 | Skin expansion system |
| CN106333719A (en) * | 2015-07-07 | 2017-01-18 | 莫尔研究应用有限公司 | Device and method for suturing |
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| CN107007314A (en) * | 2017-05-26 | 2017-08-04 | 上海利格泰生物科技有限公司 | The full suture holdfast fixing device of bidirectional self-locking |
| CN209315948U (en) * | 2018-07-27 | 2019-08-30 | 谭雄进 | A kind of suture tissue fixation device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111658035A (en) * | 2020-03-06 | 2020-09-15 | 倪一鸣 | Double-ended needle suture |
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| CN108852439B (en) | 2024-09-13 |
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