CN109199546A - Puncture core assembly and its puncture outfit with suture function - Google Patents
Puncture core assembly and its puncture outfit with suture function Download PDFInfo
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- CN109199546A CN109199546A CN201710531507.3A CN201710531507A CN109199546A CN 109199546 A CN109199546 A CN 109199546A CN 201710531507 A CN201710531507 A CN 201710531507A CN 109199546 A CN109199546 A CN 109199546A
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- puncture
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- puncture core
- core assembly
- puncturing
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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
- A61B17/34—Trocars; Puncturing needles
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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
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06066—Needles, e.g. needle tip configurations
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Abstract
The invention discloses a kind of puncture core assemblies, including piercing assembly and suturing assembly；The piercing assembly includes cutting tip and puncture core bar；The suturing assembly includes first element and movable second element；The second element has first position and the second position, the cutting tip drives the proximal end to skin layer of suture or less, the second element moves to the second position by the first position and struts the suture, the first element penetrates the tissue for driving the suture to be pierced by puncturing hole opposite side after tissue, to realize the suture to the puncturing hole using suture.Puncture core assembly according to the present invention and the puncture outfit with it, be not only able to achieve the effect of puncture, but also be able to achieve the suture to puncturing hole, and be able to achieve the suture to entire skin layer, sewing effect is good；Puncturing hole hernia caused by capable of effectively avoiding because of Minimally Invasive Surgery puncturing hole, effectively reduces patient suffering, conducive to the postoperative rehabilitation of patient.
Description
Technical field
The present invention relates to a kind of surgical instruments, in particular to a kind of puncture core assembly with suture function and its
Puncture outfit belongs to area of medical devices.
Background technique
Check, in abdominal operation and other minimally invasive or surgical operations that puncture outfit is essential surgical instrument in abdominal cavity.
Puncture outfit can be established in the stomach wall of human body enters channel, so that for stapler or other surgical instruments, (such as endoscope is cut
Knife, seal wire, conduit, filter, bracket etc.) enter it is intraperitoneal, and provide gas disengaging channel, with control operation needed for gas
Abdomen, to carry out inspection or surgical procedure.
In the operation of minimally invasive laparoscopic medical, find that lesion needs to perform the operation or cut off such as in body, then surgical procedure
In need to be to carrying out pneumoperitoneum in human abdominal cavity.The important operation process that pneumoperitoneum is laparoscopic surgery is established, in the situation of pneumoperitoneum abundance
Under, the distance between abdominal cavity and internal organs have not only been strutted, the distance between internal organs and internal organs have also been strutted, is provided relatively for patient
The broad visual field and easily operated surgical environments.After completing pneumoperitoneum, doctor is general first to scratch one small cut in patient abdomen
Mouthful, then by small notch that the alignment of the cutting tip of puncture outfit is scratched or so reciprocating rotation while move down puncture outfit, make to puncture
Core assembly guiding puncture casing passes through patient abdomen cortex；Then it extracts and punctures core assembly, stapler or other surgical instruments are
Abdominal cavity of patients can be passed in and out by puncture cannula to be operated.The existing effect for puncturing core assembly and only serving puncture, is drawing
It leads after the puncture cannula enters patient's body from the notch of human abdomen, that is, is dropped.
After lesion is removed, puncture cannula component is taken out, operation terminates.The wound of puncture does not suture generally, only by suffering from
Person heals automatically；Because the puncturing hole of Minimally Invasive Surgery is small and deep, the stomach wall of especially obese patient is thicker, and the visual field of suture is small, only
After surgery by the skin closure of patient surface, it is difficult to by the peritoneal stitches on the inside of stomach wall.Patient is easy to produce wears after surgery in this way
The serious complication such as acanthopore hernia needs further to treat.When that must be sutured to the puncturing hole of patient, especially obese patient
Puncturing hole, the stitching unstrument of special suture puncturing hole can only be used, but need in this way it is additional increase surgical instrument, suture cost
It is higher, and surgical instrument is various, inconvenient.Also, structure is complicated for the stitching unstrument of special suture puncturing hole, inconvenient for use.
Existing puncture outfit is only able to achieve puncture function, the function without suture puncturing hole, it would therefore be highly desirable to set existing
Improvement is made on the basis of meter, to obtain ideal effect.
Summary of the invention
In view of the deficiencies of the prior art, the present invention is intended to provide a kind of not only have the function of to puncture, but also puncturing hole can be sutured
Core assembly and the puncture outfit with it are punctured, the present invention is achieved by the following technical solutions:
A kind of puncture core assembly, including piercing assembly and suturing assembly；The piercing assembly includes cutting tip and puncture core
Bar；The suturing assembly includes first element and movable second element；The second element has first position and second
Position；The cutting tip drives the proximal end of suture to skin layer hereinafter, the second element is moved to by the first position
The second position and strut the suture, the first element penetrate after tissue along with the contrary direction that penetrates tissue
Movement is to drive the suture to be pierced by the tissue of puncturing hole opposite side, to be realized using suture to the puncturing hole
Suture.
Further, the suturing assembly further includes pressing plate, and the first element is fixedly connected on the pressing plate, and institute
First element is stated perpendicular to the pressing plate.
Further, the pressing plate is equipped with centre bore, and the internal diameter of the centre bore is equal to or more than the puncture core bar
Outer diameter, to allow the puncture core bar to pass through.
Preferably, the first element includes tip and guiding groove.
Further, the first element is sewing needle, and the tip is needle point；The guiding groove of the sewing needle is for holding
It sets and guides the suture.
Further, the second element is blade, and the blade is movably coupled on the puncture core bar, described
Blade can move between the first position and the second position, and the first position is closed position, the second
It is set to open position.
Further, the blade includes wire casing and fin, and the fin is used to form the wire casing, and the wire casing is used for
It accommodates and fixes the suture.
Further, when the blade is located at the second position, the slot bottom of the wire casing and the puncture core bar
Horizontal distance is greater than the first element and the horizontal distance for puncturing core bar.
Further, the puncture core assembly further includes key, for controlling the blade in the open position and institute
It states and is moved between closed position.
Further, the suturing assembly further comprises interior bar, and the interior bar is located in the puncture core bar and can be
The proximal end of movement in the puncture core bar, the interior bar is equipped with guide part, and the guide part is matched with the second element, and
The second element is driven to move.
A kind of puncture outfits including aforementioned described in any item puncture core assemblies, the puncture outfit includes puncture cannula group
Part, the puncture core assembly can protrude into the puncture cannula component.
Puncture core assembly according to the present invention and the puncture outfit with it does not need to expand puncturing hole, do not need to increase yet
Additional surgical instrument had been able to achieve the effect of puncture both to establish channel, and had entered trouble for stapler or other surgical operating instruments
In person's body；Be able to achieve the suture to puncturing hole again, and suture can successively penetrate the subcutaneous tissues of puncturing hole two sides, skin corium,
Epidermis realizes the suture to entire skin layer；Puncturing hole hernia caused by capable of effectively avoiding because of Minimally Invasive Surgery puncturing hole.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to an embodiment of the present invention for puncturing core assembly original state；
Fig. 2 is the schematic diagram when blade according to an embodiment of the present invention for puncturing core assembly is located at open position；
Fig. 3 is the structural schematic diagram that sewing needle according to an embodiment of the present invention tangles suture
Fig. 4 is the structural schematic diagram according to an embodiment of the present invention taken out during puncturing core assembly；
Fig. 5 is the structural schematic diagram of the interior bar according to an embodiment of the present invention for puncturing core assembly；
Fig. 6 is the structural schematic diagram of the blade according to an embodiment of the present invention for puncturing core assembly；
Fig. 7 is the schematic diagram of the suturing assembly according to an embodiment of the present invention for puncturing core assembly；
Fig. 8 is the structural schematic diagram of the sewing needle according to an embodiment of the present invention for puncturing core assembly；
Fig. 9 a-9b is after puncture core assembly according to an embodiment of the present invention exits, and suture penetrates showing for tissue suture
It is intended to；
Figure 10 is the structural schematic diagram of puncture outfit according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.It is retouched in of the invention
In stating, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower",
"front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to be used to explain the present invention, and cannot understand
For limitation of the present invention.
The puncture core bar of the puncture core assembly of existing puncture outfit is hollow circular-tube, and cutting tip is in cone, after cutting tip
End is connected on the front end for puncturing core bar.The puncture core assembly of the prior art only plays the role of puncture, can not carry out to puncturing hole
Suture, after guiding puncture casing enters patient's body from the notch of human abdomen, that is, is dropped；It, must if you need to suture puncturing hole
Special suture instruments must be reused.
The puncture core assembly 100 of the embodiment of the present invention includes piercing assembly and suturing assembly.As shown in Figure 1, the puncture
Component includes cutting tip 1, punctures core bar 2 and handle 3.As shown in Fig. 2, the suturing assembly includes blade 4, pressing plate 6, sewing needle
7 and suture 9.For the convenience of describing the present invention and simplifying the description, in embodiments of the present invention, it is based on attached orientation shown in FIG. 1
Or positional relationship, each component is known as " close " end close to one end of cutting tip 1 or "lower" side, the one end that will be close to handle 3 are known as
The axial direction for puncturing core bar is known as " height " direction by " remote " end or "upper" side, the radial direction for puncturing core bar is known as " wide
Degree " direction.
As shown in Figure 1, the distal end of cutting tip 1 is integrally formed or is connected with the proximal end for puncturing core bar 2, core bar 2 is punctured
Distal end is integrally formed or is connected with handle 3, and blade 4 is rotatably connected to the proximal end for puncturing core bar 2.Cutting tip 1 is substantially in
Inverted cone substantially refers to cutting tip 1 in cone or similar cone in cone.Core bar 2 is punctured proximally to arrive far
The diameter at end is all the same, and the maximum gauge of cutting tip 1 is substantially equal to the diameter for puncturing core bar 2.Preferably, the distal end of cutting tip 1
It is connected with the proximal end for puncturing core bar 2.
It punctures core bar 2 and is equipped with groove 23, groove 23 is axially arranged on puncturing core bar 2, for accommodating blade 4；Work as leaf
When piece 4 is in the close position, blade 4 is located in groove 23, and the outer surface of blade 4 is without departing from the outer surface for puncturing core bar 2.Ginseng
Fig. 1 to Fig. 3 is examined, the distal end for puncturing core bar 2 is connected or is integrally formed with handle 3.Suturing assembly further comprises interior bar 5,
Structure is as shown in Figure 5.Interior bar 5 can be moved puncturing in core bar 2, that is to say, that interior bar 5 can be on the inside for puncturing core bar 2
Lower movement.Specifically, puncturing core bar 2 is hollow circular-tube, and interior bar 5 is placed in the hollow circular-tube.Puncture the inside of core bar 2
It is additionally provided with spring, the proximal end of the spring is abutted with the proximal end for puncturing core bar 2, and the distal end of the spring and the proximal end of interior bar 5 are supported
It connects.In one embodiment of the invention, the distal end of core bar 2 and the distal end of interior bar 5 are punctured and is equipped with corresponding position limiting structure, it is described
Position limiting structure defines the stroke that interior bar 5 moves up and down, and then defines that interior bar 5 is puncturing the stroke to move up and down in core bar 2,
So that it is guaranteed that not continuing to rotate after blade 4 reaches open position.Interior bar 5 can transport in a certain range for puncturing core bar 2
It is dynamic, it is moved between open and closed positions to control blade 4.Position limiting structure is common mode in the art, such as
The protrusion being set on 5 outer wall of interior bar abuts each other limit etc. with the protrusion punctured on 2 inner wall of core bar is set to, herein no longer in detail
It states.
With reference to Fig. 5, the proximal end of interior bar 5 is equipped with guide part 52, and guide part 52 is inverted truncated cone shape, the bus of guide part 52
Length be equal to 43 motion profile of guide surface length, again ensure that blade 4 reach open position after, do not continue to rotate.
The lower section of guide part 52 is additionally provided with step 53, and the lower section of step 53 is additionally provided with a bit of cylindrical body 54, and the distal end of spring is covered in circle
It is abutted after on cylinder 54 with step 53, the diameter of step 53 is greater than the diameter of spring, in order to the positioning and assembly of spring.
As shown in fig. 6, blade 4 includes shaft 42 and guide surface 43.Blade 4 is connect by shaft 42 with core bar 2 is punctured, and
It part of the blade 4 in addition to shaft 42 can 42 rotation around the shaft.When blade 4 is located at closed position, outer surface, which is no more than, to be punctured
Sheath assembly is protruded into favor of puncturing core bar component 100 when puncturing in the outer surface of core bar 2；It is smooth, flat and in suture
Puncturing hole is passed in and out slidingly.During 42 rotation around the shaft of blade 4, guide surface 43 is always along the outer peripheral surface of the guide part 52
Movement, guide surface 43 are arcwall face, it is preferable that guide surface 43 is arc-shaped surface；Further, guide surface 43 is a quarter
A arc surface.Blade 4 includes two fins 44, and wire casing 41 is formed between described two fins 44, and wire casing 41 is open slot, substantially
In U-typed, when opening in this way convenient for blade 4, suture 9 enters this programme in wire casing 41 from opening and does not need to be bonded.
As shown in fig. 7, suture needle assemblies include pressing plate 6 and sewing needle 7, sewing needle 7 is connected on pressing plate 6, and sewing needle 7 hangs down
Directly in pressing plate 6, needle point 71 downwards, and is parallel to each other with core bar 2 is punctured.In an embodiment of the present invention, sewing needle 7 is close to pressing plate
6 outside setting, it is preferable that pressing plate 6 is circular ring shape, and the ring width of the annulus is 2-15mm；To ensure in limited range,
Sewing needle 7 is farthest at a distance from the central axis for puncturing core bar 2, and then guarantees under the premise of not expanding puncture wound, sutures
Space is maximum, and it is too close apart from puncture wound to effectively prevent suture, and leads to puncture wound quilt during tension suture 9
The risk that suture 9 is torn.Preferably, the circular ring shape proximal end face of pressing plate 6 is uniformly provided with 4 sewing needles 7, and pressing plate 6 is equipped with center
Hole 63, the internal diameter of centre bore 63 are passed through, pressing plate 6 can be along puncture core slightly larger than the outer diameter for puncturing core bar 2 with allowing to puncture core bar 2
The periphery of bar 2 moves up and down.Pressing plate 6 is integrally formed or is connected by least two ring blocks and is formed.Pressing plate 6 can also be length
It is rectangular, it is equipped with 63,4 sewing needles 7 of centre bore at center and is located at rectangular four apexes.Sewing needle 7 and suture 9
Quantity can also be varied as desired, be able to satisfy pierce through puncturing hole two sides skin and drive suture wear 9 go out puncturing hole phase
The tissue of opposite side, herein without illustrating one by one.The central hole of pressing plate 6 is equipped at least one locating piece 64, wears
Pierce core bar 2 outer wall be equipped with at least one locating slot matched one by one of locating piece 64, with guarantee suture needle assemblies downward
When movement, pressing plate 6 is not rotated, i.e., sewing needle 7 is remained is located along the same line with wire casing 41.
When original state, integrally formed pressing plate 6 is located at the distal end for puncturing core bar 2.Pressing plate 6 includes two ring blocks, the
One ring block 61 and the second ring block 62 are collectively formed pressing plate 6, and first annular piece 61 and the second ring block 62 are symmetrical arranged, in
The heart is equipped with semicircular indentations, and the centre bore 63 of pressing plate 6 is collectively formed.When pressing plate 6 is connected and is formed by two ring blocks,
When original state, pressing plate 6 is separated with core bar 2 is punctured, and when needing to suture, then pressing plate 6 is installed to and is punctured on core bar 2；Specifically
Ground, will first puncture core bar 2 and is put into first annular piece 61 of semicircular indentations, and adjustment suture needle assemblies make sewing needle 7 and blade
4 correspond, and sewing needle 7 is located along the same line with wire casing 41, then are put into the semicircular indentations the second ring block 62
It punctures core bar 2 and is connected with first annular piece 61.
As shown in figure 8, sewing needle 7 includes needle point 71, needle point 71 is sharp keen tip, need to be sutured convenient for puncture when suture
Tissue.Sewing needle 7 further includes guiding groove 72, the tissue that need to be sutured for accommodating and guiding suture 9 to pass through.The width of guiding groove 72
Degree is greater than the diameter of suture 9, and the slot bottom 721 of guiding groove 72 is close to needle point 71, and notch deviates from needle point 71, in this way in sewing needle 7
After penetrating patient tissue, suture 9 is caught on convenient for sewing needle 7, specifically, after sewing needle 7 penetrates patient tissue, sewing needle 7
After the notch contact suture 9 of guiding groove 72, suture 9 enters the slot bottom 721 of guiding groove 72 from the notch of guiding groove 72, holds
Pressing plate 6 moves up sewing needle 7, and sewing needle 7 guides suture 9 to be pierced by patient tissue.
When operation, after completing pneumoperitoneum, doctor first scratches a small notch in patient abdomen, then by puncture outfit of the present invention
Puncture outfit is moved down while the small notch that 300 cutting tip alignment is scratched or so reciprocating rotation, makes the proximal end of puncture cannula
Across patient abdomen cortex；Then it extracts and punctures core assembly 100, stapler or other surgical instruments can pass through puncture cannula group
Part disengaging abdominal cavity of patients is operated.
After lesion removal, extracting puncture cannula component, the side of the puncture core assembly 100 of the embodiment of the present invention is first adjusted
To, it is ensured that after the both ends of every suture 9 are located at the opposite side of puncturing hole, as illustrated in fig. 9, core assembly 100 will be punctured from puncture
Inserted into the patient at the C of hole, blade 4 is in closed state, with reference to Fig. 1.In an embodiment of the present invention, the outer of core bar 2 is punctured
Side is equipped with two sutures 9, and the proximal end 92 of two sutures 9 is after intersection at the tip of cutting tip 1 respectively along puncture core bar 2
Outer wall upwardly extends, and the proximal end 92 of two sutures 9 is mutually perpendicular at the tip of cutting tip 1, and two of every suture 9
Line tail 91 forms slip-knot in the distal end for puncturing core bar 2；The proximal end 92 of suture 9 be removably mounted in on cutting tip 1, relatively
The center line of the wire casing 41 of two blades 4 of side is by the plane where corresponding suture 9.The quantity of suture 9 can be with root
According to needing to change, it is able to satisfy the requirement of suture puncturing hole, herein without illustrating one by one.
Blade 4 is beaten after the proximal end face of puncture core bar 2 enters patient's hypodermis along the even circumferential distribution for puncturing core bar 2
Zygonema of cracking 9 presses down on key 8,5 stress of interior bar moves downward, so that blade 4 is around it in the slip-knot for puncturing 2 distal end of core bar
Shaft 42 rotates, and suture 9 is fallen into one by one respectively in the wire casing 41 of corresponding blade 4, and the guide part 52 of interior bar 5 passes through guide surface
43 band movable vane pieces 4 move to open position, i.e. blade 4 and puncture core bar 2 is generally perpendicular to each other state, as shown in Fig. 2, blade 4
Under abdominal cavity of patients's endothelium skin layers, suture 9 is softened.For ease of description, the slot bottom of the wire casing 41 of blade 4 is defined
For A point, as shown in Figures 2 and 6, A point and the horizontal distance for puncturing core bar 2 be greater than sewing needle 7 and puncture core bar 2 it is horizontal away from
From.The intersection point of the proximal end face of pressing plate 6 and suture 9 is defined as B point, B point is dynamic point, can be as suturing assembly is to downslide
It is dynamic.6 slide downward of pressing plate of 2 distal end of core bar will be punctured, or first annular piece 61 and the second ring block 62 are installed to puncture core
After pressing plate 6 is collectively formed on bar 2, slide downward makes the pre-stitching tissue of the opposite side puncturing hole C of the puncture patient of sewing needle 7, after
Continuous slide downward pressing plate 6, until sewing needle 7 contacts the suture 9 between A, B two o'clock, as shown in figure 3, because of wire casing 41 and puncturing
The horizontal distance of core bar 2 is greater than sewing needle 7 and punctures the horizontal distance of core bar 2, and the suture between A, B two o'clock is from guiding groove 72
Notch enter the slot bottom 721 of guiding groove 72 after, hold pressing plate 6 by sewing needle 7 along puncture core bar 2 outer wall move up, stitch
Closing needle 7 guides suture 9 to be pierced by patient tissue.Key 8 is unclamped, spring is released and extends, and the elasticity tension of spring pushes
Interior bar 5 moves upwards, and the side action of the guide part 52 of 5 proximal end of interior bar is in the guide surface 43 of blade 4, and guide blades 4 are around its turn
Axis 42 turns to closed position.It moves up and punctures core assembly 100, until cutting tip 1 is detached from the internal of patient.Sewing needle 7 can
To be detached from patient's body together with puncture core assembly 100；It can also be as shown in figure 4, will first puncture core assembly 100 be detached from patient's body
It is interior, then pressing plate 6 is moved upwards so that sewing needle 7 is separated with patient.
As illustrated in fig. 9, after puncturing core assembly 100 and sewing needle 7 and being detached from patient's body, because suture 9 proximal end 92
The tissue of patient abdomen is had penetrated positioned at the both ends of patient's body, and suture 9, is exposed from the abdomen cortex of patient, and tension is worn
Two line tails 91 of the suture 9 of the opposite side acanthopore C, until the proximal end 92 of suture 9 is adjacent to abdominal cavity of patients's endothelium skin layers, such as Fig. 9 b
It is shown, the 9 line tail of any suture of the line tail of one of suture 9 and puncturing hole opposite side is knotted to the skin table of patient
Layer, other two line tail knot to the skin surface of patient, subtract extra suture 9, that is, complete the suture of puncturing hole C；
Preferably, two line tails of every suture 9 are mutually knotted.Preferably, suture 9 is the absorbable suture of human body,
After puncturing hole healing, it can be degraded and absorb by human body, without taking out stitches, avoid taking out stitches and give patient's bring pain.
Core assembly 100 is punctured based on as described above, the present invention also provides a kind of puncture outfits 300, with reference to Figure 10, puncture outfit
300 further include puncture cannula component 200, when puncture, punctures core assembly 100 and is inserted into the puncture cannula component 200, and guide
Puncture cannula component 200 enters in abdominal cavity of patients, is operated so that other surgical operating instruments enter patient's body,
After operation, puncture cannula component 200 is extracted, puncture core assembly 100 of the invention can also suture puncturing hole.
In conclusion puncture core assembly according to the present invention and the puncture outfit with it, do not need to expand puncturing hole, not yet
It needs to increase additional surgical instrument, has both been able to achieve the effect of puncture to establish channel, for stapler or other surgical operation devices
Tool enters patient's body；Be able to achieve the suture to puncturing hole again, and suture can successively penetrate puncturing hole two sides subcutaneous tissue,
Skin corium, epidermis, realize the suture to entire skin layer, and sewing effect is good；It can effectively avoid making because of Minimally Invasive Surgery puncturing hole
At puncturing hole hernia, patient suffering is effectively reduced, conducive to the postoperative rehabilitation of patient.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (11)
1. a kind of puncture core assembly, including piercing assembly and suturing assembly；It is characterized in that,
The piercing assembly includes cutting tip and puncture core bar；The suturing assembly includes first element and movable second yuan
Part；The second element has first position and the second position；The cutting tip drive the proximal end of suture to skin layer hereinafter,
The second element moves to the second position by the first position and struts the suture, and the first element penetrates group
It knits rear edge and moves the tissue for driving the suture to be pierced by puncturing hole opposite side with the contrary direction for penetrating tissue,
To realize the suture to the puncturing hole using suture.
2. puncture core assembly according to claim 1, which is characterized in that the suturing assembly further includes pressing plate, and described
One element is fixedly connected on the pressing plate, and the first element is perpendicular to the pressing plate.
3. puncture core assembly according to claim 2, which is characterized in that the pressing plate is equipped with centre bore, the centre bore
Internal diameter be equal to or more than it is described puncture core bar outer diameter, to allow the puncture core bar to pass through.
4. -2 described in any item puncture core assemblies according to claim 1, which is characterized in that the first element include tip and
Guiding groove.
5. puncture core assembly according to claim 4, which is characterized in that the first element is sewing needle, the tip
For needle point；The guiding groove of the sewing needle is for accommodating and guiding the suture.
6. puncture core assembly according to claim 1, which is characterized in that the second element is blade, and the blade can
It is connected on the puncture core bar to movement, the blade can move between the first position and the second position, institute
Stating first position is closed position, and the second position is open position.
7. puncture core assembly according to claim 6, which is characterized in that the blade includes wire casing and fin, the wing
Piece is used to form the wire casing, and the wire casing is for accommodating and fixing the suture.
8. puncture core assembly according to claim 7, which is characterized in that when the blade is located at the second position,
The slot bottom of the wire casing and the horizontal distance for puncturing core bar be greater than the first element and it is described puncture core bar it is horizontal away from
From.
9. puncture core assembly according to claim 6, which is characterized in that the puncture core assembly further includes key, is used for
It controls the blade and is moved between the open position and the closed position.
10. puncture core assembly according to claim 1, which is characterized in that the suturing assembly further comprises interior bar, institute
It states interior bar to be located in the puncture core bar and can move in the puncture core bar, the proximal end of the interior bar is equipped with guide part, institute
It states guide part to match with the second element, and the second element is driven to move.
11. a kind of including the puncture outfit as described in any one of claim 1 to 10 for puncturing core assembly, which is characterized in that described
Puncture outfit further includes puncture cannula component, and the puncture core assembly can protrude into the puncture cannula component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531507.3A CN109199546B (en) | 2017-07-03 | 2017-07-03 | Puncture core assembly with sewing function and puncture device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710531507.3A CN109199546B (en) | 2017-07-03 | 2017-07-03 | Puncture core assembly with sewing function and puncture device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109199546A true CN109199546A (en) | 2019-01-15 |
| CN109199546B CN109199546B (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710531507.3A Active CN109199546B (en) | 2017-07-03 | 2017-07-03 | Puncture core assembly with sewing function and puncture device thereof |
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| Country | Link |
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| CN (1) | CN109199546B (en) |
Cited By (1)
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| CN109199546B (en) | 2020-11-10 |
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