CN109674517A - A kind of height adjustment device - Google Patents
A kind of height adjustment device Download PDFInfo
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- CN109674517A CN109674517A CN201710976290.7A CN201710976290A CN109674517A CN 109674517 A CN109674517 A CN 109674517A CN 201710976290 A CN201710976290 A CN 201710976290A CN 109674517 A CN109674517 A CN 109674517A
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- Prior art keywords
- height
- blocking element
- adjustment device
- height adjustment
- component
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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
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
-
- 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
- A61B17/06004—Means for attaching suture to needle
-
- 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
-
- 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
- A61B17/06166—Sutures
-
- 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
- A61B17/06004—Means for attaching suture to needle
- A61B2017/06009—Means for attaching suture to needle having additional means for releasably clamping the suture to the needle, e.g. actuating rod slideable within the needle
-
- 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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a kind of height adjustment device, and for adjusting and fixing the height of the accommodating space between the first component and second component, the height adjustment device includes the first blocking element and the second blocking element；First blocking element can second component movement relatively, second blocking element is fixedly connected or is integrally formed with the first component；The second component can be moved relative to the first component to form accommodating space, first blocking element can be moved relative to second blocking element, to drive the second component to move relative to the first component, the height for adjusting the accommodating space is realized；It can be mutually locked between first blocking element and second blocking element, thus the height of the fixed accommodating space.Height adjustment device according to the present invention can adjust required suture height and the fixed height, according to the individual difference of destination organization effectively to suture destination organization.
Description
Technical field
The present invention relates to a kind of surgical instruments to belong to medical equipment neck in particular to a kind of height adjustment device
Domain.
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.Existing puncture outfit generally only has the function of to puncture, in the abdomen of human body
Wall establishes the channel of instrument disengaging, can not suture to puncturing hole；And have suture function puncture outfit, Oversewing space it is big
Small is fixed value, and the size of Oversewing space can not be adjusted according to individual difference, be unfavorable for the postoperative rehabilitation of patient.
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 invention is realized by the following technical scheme:
A kind of height adjustment device, for adjusting and fixing the height of the accommodating space between the first component and second component
Degree, the height adjustment device include the first blocking element and the second blocking element；First blocking element can be relatively described
Second component movement, second blocking element are fixedly connected or are integrally formed with the first component；The second component can
It moves relative to the first component to form accommodating space, first blocking element can be relative to second blocking element
Movement realizes the height for adjusting the accommodating space so that the second component be driven to move relative to the first component；Institute
Stating can be mutually locked between the first blocking element and second blocking element, thus the height of the fixed accommodating space.
Preferably, first blocking element includes adjustment portion and locking part, and the locking part and the adjustment portion are integrated
Molding, second blocking element includes the rectangular teeth and rectangular channel that several are arranged alternately.
Preferably, the width of the locking part is greater than the width of the adjustment portion.
Preferably, the adjustment portion can be slided along second blocking element, and the locking part can be limited in the square
In shape slot.
Preferably, the rectangular teeth of second blocking element is symmetrical arranged, and the rectangular channel is symmetrical arranged, the lock
The width of stop is greater than the distance between sustained height, symmetrically arranged two rectangular teeths, and less than sustained height, symmetrical
The distance between two rectangular channels being arranged；The width of the adjustment portion is less than sustained height, symmetrically arranged two rectangles
The distance between slot.
Preferably, the height of the locking part is equal to the height of the adjustment portion, is the first height；The rectangular teeth and institute
The height for stating rectangular channel is equal, is the second height.
Preferably, first height is less than second height.
Preferably, first blocking element includes adjusting rod, and along one end of the adjusting rod, axially extending formation is several
A blade, the blade are circumferentially uniformly distributed along one end of the adjusting rod.
Preferably, the height adjustment device further includes bar body in second, first blocking element and described second
The interior movable connection of bar body, the proximal end of bar body is equipped with adjusting rod channel in described second, and the adjusting rod channel is described
Adjusting rod provides the channel of operation.
Preferably, the height adjustment device further includes baffle, the baffle and the adjusting rod channel be integrally formed and
Vertical with the adjusting rod channel, the baffle is equipped with through-hole, and the through-hole is connected to the adjusting rod channel.
Preferably, the adjusting rod channel is externally provided with spring, and one end of the spring is abutted with the baffle, the other end with
The locking part abuts.
Preferably, the outer surface of the blade is equipped with protrusion.
Preferably, the locking part to be formed with the adjustment portion along radially extending for the adjusting rod.
Preferably, second blocking element is identified equipped with stroke, less than the stroke of the mark for adjusting the appearance
Height between emptying drives the second component to continue movement greater than the stroke of the mark for first blocking element
Travel distance.
Preferably, the height adjustment device includes first stroke and second stroke, and the first stroke is described in adjusting
The stroke of the height of accommodating space, the second stroke are after reaching first stroke, described in the first blocking element drive
Second component continues the stroke of movement.
Height adjustment device according to the present invention realizes the suture of puncturing hole in narrow puncturing hole, can be according to target
The individual difference of tissue adjusts suture height, effectively to suture destination organization, avoids wearing caused by because of Minimally Invasive Surgery puncturing hole
Acanthopore hernia, and height adjustment device of the invention makes gapless between cutting tip and puncturing lever when puncturing, and is formed after piercing
Oversewing space avoids the wound that the Oversewing space when puncturing scratches patient, patient suffering is effectively reduced, conducive to the postoperative of patient
Rehabilitation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to an embodiment of the present invention for puncturing core assembly；
Fig. 2 is the cross-sectional view according to an embodiment of the present invention for puncturing core assembly；
Fig. 3 is the partially exploded diagram according to an embodiment of the present invention for puncturing core assembly；
Fig. 4 is the structural schematic diagram of the first interior bar according to an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the second interior bar according to an embodiment of the present invention；
Fig. 6 is the suture needle structural schematic diagram according to an embodiment of the present invention for puncturing core assembly；
Fig. 7 is the suture fixed-block-architecture (FBA) schematic diagram according to an embodiment of the present invention for puncturing core assembly；
Fig. 8 is the structural schematic diagram of handle according to an embodiment of the present invention；
Fig. 9 is the partial enlarged view at the A in Fig. 8；
Figure 10 is the structural schematic diagram of the first blocking element according to an embodiment of the present invention；
Figure 11 is the schematic diagram of the first blocking element and the second blocking element cooperation according to an embodiment of the present invention；
Figure 12 is the structural schematic diagram according to an embodiment of the present invention for puncturing core assembly original state；
Figure 13 is that puncture core assembly according to an embodiment of the present invention forms the structural schematic diagram after Oversewing space；
Structural schematic diagram when Figure 14 is the suture according to an embodiment of the present invention for puncturing core assembly；
Figure 15 is the schematic diagram of the first blocking element and the second blocking element cooperation in accordance with another embodiment of the present invention；
Figure 16 is the structural schematic diagram after destination organization according to an embodiment of the present invention is sewn.
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, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
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.As shown in Figure 1, the puncture core assembly 200 of the embodiment of the present invention include piercing assembly, suturing assembly and
Adjust unit.Piercing assembly includes cutting tip 1 and puncturing lever 2.It punctures core assembly 200 from the inside to the outside, is followed successively by and adjusts unit, seam
Seaming element and puncturing lever 2.Suturing assembly is located in puncturing lever 2, refers to the positional relationship of the two, not all groups of suturing assembly
At being partially respectively positioned in puncturing lever 2.For the convenience of describing the present invention and simplifying the description, in embodiments of the present invention, it sets close
One end of clinician is " proximal end " or " top ", and it is " remote that one end far from clinician, which is close to one end of patient body,
End " or " lower section ".Based on attached orientation or positional relationship shown in FIG. 1, will be close to handle 6 one end be considered as " proximal end " or " on
Side ", the one end that will be close to cutting tip 1 is considered as " distal end " or " lower section "；The axial direction for puncturing core assembly 200 is known as " high
The radial direction for puncturing core assembly 200 is known as " width " direction by degree " direction；It will be considered as towards the direction of 6 central axis of handle
" inside ", the direction that will be far from 6 central axis of handle are considered as " outside ", as shown in Figure 1, puncturing core assembly 200 includes core bar group
Part, the cutting tip 1 that the core bar component remote is set and the handle 6 that core bar component proximal end is set.In original state
Under, it punctures core assembly 200 and is inserted in sheath assembly 300.
Fig. 2 to Fig. 3 depicts the composition and assembly relation of core bar component.The core bar component includes in puncturing lever 2, first
Bar assembly 4 in bar 3 and second.Bar assembly 4 is at least partially disposed in the first interior bar 3 in second, and the first interior bar 3 is located at puncturing lever
In 2；And the central axis of puncturing lever 2 and the central axis of the first interior bar 3 are overlapped.The main part of puncturing lever 2 is hollow circular-tube,
The hollow circular-tube forms the channel for the movement of the first interior bar 3, and the first interior bar 3 can move up and down in puncturing lever 2, and when first
When interior bar 3 moves downward, puncturing lever 2 can be stretched out from the distal end in the channel.The distal end of puncturing lever 2 is symmetrically arranged with U-lag
22, the lower end of U-lag 22 extends to the lower end of puncturing lever 2, and the length of U-lag 22 is equal or slightly larger than the length of sewing needle 7.It wears
The proximal end of thorn stick 2 is fixedly connected with handle 6.In the central axis of first interior bar 3, the central axis of handle 6 and puncturing lever 2
Mandrel line is overlapped.
With reference to Fig. 4, the proximal end of the first interior bar 3 is equipped with suture key 31, for controlling the movement of the first interior bar 3.In first
The inside of bar 3 forms chamber 32, and bar body 40 is located in the chamber 32 of the first interior bar 3 in second, and bar body 40 can be in chamber in second
It moves up and down in 32.The distal end of first interior bar 3 be symmetrically arranged with mutually matched first mounting portion 33 of sewing needle 7, in first
After bar 3 protrudes into the distal end of puncturing lever 2, the first interior bar 3 of adjustment is directed at it with mutually matched first mounting portion 33 of sewing needle 7 to wear
The U-lag 22 of thorn stick 2, in order to match first mounting portion 33 interference of the sewing needle 7 from U-lag 22 with 3 distal end of the first interior bar
Conjunction or transition fit, after sewing needle 7 is fixedly connected with the first interior bar 3, are incorporated in U shape slot 22.The distal end of third spring 47
It is abutted with the distal end 23 of puncturing lever 2, proximal end is abutted with the distal end of the first interior bar 3.As shown in figure 3, bar assembly 4 includes in second
Bar body 40 and connecting rod 45 in second, the distal end of bar body 40 and the proximal end of connecting rod 45 are integrally formed or fixed connect in second
It connects, the distal end of connecting rod 45 is fixedly connected with the proximal end of cutting tip 1.The stage portion 46 of evagination, step are additionally provided in connecting rod 45
The diameter in portion 46 is greater than diameter of the connecting rod 45 in addition to stage portion 46, and the internal perisporium of 2 distal end of puncturing lever is equipped with limited block 23, even
Extension bar 45 can move up and down from the inner cavity of limited block 23, when connecting rod 45, which moves to stage portion 46, to abut with limited block 23, because
The internal diameter of limited block 23 is less than the diameter of stage portion 46, and limited block 23 prevents stage portion 46 from continuing to move downward.Positioned at cutting tip
Connecting rod 45 between 1 and stage portion 46 is cylindrical body or cuboid, and when it is cylindrical body, diameter is less than puncturing lever 2
Diameter, cross-sectional area are less than the cross-sectional area of puncturing lever 2, to form space between cutting tip 1 and puncturing lever 2.When it is length
When cube, width and length are respectively less than the diameter of puncturing lever 2；Under the premise of the intensity needed for meeting, it is located at cutting tip 1 and platform
The cross-sectional area of connecting rod 45 between rank portion 46 is the smaller the better, in this way, between the proximal end of cutting tip 1 and the distal end of puncturing lever 2
The space of formation is larger, and further, the central axis of connecting rod 45 is overlapped with the central axis of puncturing lever 2.Cutting tip 1 can phase
It is more than or equal to the thickness of patient's hypodermis for the distance of the distal movement of puncturing lever 2.Preferably, 45 distal end of connecting rod
It is fixedly connected with cutting tip 1.Cutting tip 1 substantially refers to cutting tip 1 in cone or similar circle substantially in cone in cone
Taper, the i.e. bus of cutting tip 1 can be linear, can also be in convex outer curve or the curve in indent.Puncturing lever 2 is hollow
Round tube, the diameter for proximally arriving distal end is all the same, and the maximum gauge of cutting tip 1 is substantially equal to the diameter of puncturing lever 2.
As shown in Fig. 3 or Fig. 5, in second the proximal end of bar body 40 be equipped with adjusting rod channel 41, the one of adjusting rod channel 41
End cooperates with baffle 48, is equipped with the through-hole for the operation of the first blocking element 5 inside adjusting rod channel 41, and the through-hole is from adjusting rod
The one end in channel 41 extends to the side of baffle 48.The proximal end of second interior bar 4 is equipped with boss 42, and boss 42 is located at adjusting rod channel
Under 41；One end of second spring 43 is abutted with boss 42, and the other end is abutted with the bottom of handle 6.Bar body 40 is gone back in second
Including limited post 44, for the cooperation of limiting slot 21 with puncturing lever 2, the diameter of limited post 44 is slightly less than the width of limiting slot 21,
Limited post 44 can only move up and down in limiting slot 21 and can not circumferentially rotate in this way, to guarantee that bar assembly 4 is only being worn in second
It moves up and down in thorn stick 2；The stroke that limited post 44 moves up and down is defined by the flute length of limiting slot 21, and then defines second
The stroke that interior bar assembly 4 moves in puncturing lever 2.
The suturing assembly is located in the puncturing lever 2, and at least part of the suturing assembly can be in the puncture
It is moved in bar 2；The suturing assembly includes sewing needle 7 and suture fixed block 8, and sewing needle 7 and suture fixed block 8 can take off
Liftoff to be connected, sewing needle 7 and suture fixed block 8 after connection pass through the accommodating by mobile one end by suture 9
Tissue in space.
As shown in fig. 6, sewing needle 7 includes the second mounting portion 71 and needle point 72.Sewing needle 7 passes through the second mounting portion 71 and the
First mounting portion 33 of one interior bar 3 is interference fitted or transition fit achieves a fixed connection, and the distance between two sewing needles 7 are equal to
Or it is slightly less than the diameter of puncturing lever 2.With reference to Fig. 7, suture fixed block 8 includes the suture needle passageway 82 being arranged up and down, is used
It is connect in sewing needle 7, needle point 72 passes through needle point suture needle passageway 82 and exposes from needle point suture needle passageway 82, needle point 72 and seam
The connection type for closing needle passageway 82 is clearance fit；The side wall of suture fixed block 8 is equipped with winding slot 81, the line of suture 9
Tail 91 be wrapped on winding slot 81 and at winding slot 81 formed knot, two line tails 91 of suture 9 respectively with a suture
Fixed block 8 cooperates, and the proximal end 92 of suture 9 is along the limited post 44 that the outer wall of puncturing lever 2 hangs over the second interior bar 4；If any extra
Suture 9 can take up rear slip-knot formed here, to prevent suture 9 to be scattered between puncturing lever 2 and interior bar 5,
Referring again to Fig. 3 or Fig. 5, accommodation groove 11 is provided on cutting tip 1, for cooperating with suture fixed block 8；Suture fixed block
8 with the fit system of accommodation groove 11 be interference fit；Accommodation groove 11 is the mounting groove being adapted to 8 profiling of suture fixed block, this
Sample, after suture fixed block 8 enters accommodation groove 11, the outer surface of suture fixed block 8 is bonded completely with accommodation groove 11, connection
It is stronger.Further, size of the accommodation groove 11 at 1 periphery of cutting tip is minimum, and this avoid work as suture fixed block 8
After being installed into accommodation groove 11, the risk that radially falls off out of accommodation groove 11.
The line tail 91 of suture 9 is wrapped on winding slot 81 and forms knot, two line tails of suture 9 at wire casing 81
After 91 respectively cooperate with a suture fixed block 8, suture fixed block 8 is mounted on the needle point 72 of sewing needle 7, and make needle point
72 expose from suture fixed block 8, and sewing needle 7 and suture fixed block 8 are set in U-lag 22, and the length of U-lag 22 is equal to
Or the length slightly larger than sewing needle 7；And the outer surface of sewing needle 7 and suture fixed block 8 is without departing from the outer surface of puncturing lever 2,
In this way sewing needle 7 in suture apart from puncturing hole farther out, the distance between two sewing needles 7 are equal to or slightly less than puncturing lever 2
Diameter provides maximum suture size to guarantee under the premise of not expanding puncturing hole.
It is the structural schematic diagram of the handle 6 of one embodiment of the invention with reference to Fig. 8 to Fig. 9, Fig. 8.The side of handle 6 is ring
Shape wall, internal includes suture key channel 62, to provide the moving conduit of suture key 31；Perforation, which is equipped with, in its annular wall lacks
Mouthful, the notch is symmetrical arranged along the central axis of handle 6, is formed and the mutually matched second locking structure of the first blocking element 5
Part 61.Fig. 9 is the partial enlarged view at the A in Fig. 8, and the second blocking element 61 includes several rectangular teeths 612, each rectangular teeth
612 height is H2, the distance between two neighboring rectangular teeth 612 in the same side is H2, the two neighboring rectangular teeth 612 in the same side it
Between formed rectangular channel 611, that is to say, that the height of rectangular channel 611 is also H2.The rectangular teeth 612 ' of rectangular teeth 612 and opposite side,
The second blocking element 61 is collectively formed in rectangular channel 611 and the rectangular channel 611 ' of opposite side, passes through or locks for the first blocking element 5
Only.
The adjusting unit includes the first blocking element 5 and the second blocking element 6, and the first blocking element 5 can be relative to the
Two blocking elements 6 are mobile；The adjusting unit further comprises connecting rod 45, and one end of connecting rod 45 is connect with cutting tip 1, and
And the cross-sectional area of connecting rod 45 be less than cutting tip 1 cross-sectional area, connecting rod 45 can be moved in puncturing lever 2 and its extremely
Few a part stretches out puncturing lever 2, the accommodating space is collectively formed with cutting tip 1, puncturing lever 2.The adjusting unit also wraps
Bar body 40 in second are included, bar body 40 is connected or is integrally formed with the other end of connecting rod 45 in second.
Figure 10 is the structural schematic diagram of the first blocking element 5 of one embodiment of the invention.First blocking element 5 includes adjusting
Key 56 and adjusting rod 53 are saved, the two is generally perpendicular to each other.One end of adjusting rod 53 is circumferentially uniformly distributed several blades 54, leaf
For piece 54 along the axially extending formation of outer wall of adjusting rod 53, the end of blade 54 is equipped with protrusion 541；Preferably, the first blocking element 5
It is integrally formed.First 55 sets of spring is on the outer wall in adjusting rod channel 41, the regulating key of one end and the first blocking element 5
56 abut, and the other end is abutted with baffle 48.The adjusting rod 53 of first blocking element 5 protrudes into logical from the one end in adjusting rod channel 41
Hole is until the protrusion 541 of its blade 54 is stretched out from baffle 48；Blade 54 is released after the stretching of baffle 48 and is unfolded, protrusion
541 block the another side of baffle 48, to prevent bar assembly 4 in the first blocking element 5 from second to be detached from, realize the first locking structure
Part 5 can be moved relative to bar assembly 4 in second.Adjusting rod 53 further comprises the locking part 51 and adjustment portion radially extended
52；Preferably, locking part 51 is equal with the height of adjustment portion 52 is denoted as H1, H1Less than H2.The width of locking part 51 is W1, relatively
The distance between side, sustained height two rectangular channels 611 are D1, the width W of adjustment portion 522Equal to or less than opposite side
, the distance between two rectangular teeths 612 of sustained height D2, and D1> D2.The width W of locking part 511Equal to D1Or locking
The width W in portion 511Less than D1, and it is greater than D2, i.e. D1> W1> D2。
When operation, after completing pneumoperitoneum, doctor first scratches a small notch in patient abdomen, then by puncture outfit of the present invention
1000 cutting tip 1 moves down puncture outfit 1000 while being directed at the small notch scratched or so reciprocating rotation, until casing group
Part 300 passes through patient abdomen cortex；Then it extracts and punctures core assembly 200, stapler or other surgical instruments can pass through puncture
Sheath assembly 300 passes in and out abdominal cavity of patients and is operated.When original state, the first blocking element 5 is located at the second blocking element
61 proximal end, further, locking part 51 are located at 61 sustained height of the second blocking element, opposite two rectangular channels 611
It is interior；The proximal end of cutting tip 1 is abutted with the distal end of puncturing lever 2, gapless between such cutting tip 1 and puncturing lever 2, and when puncture will not
Clip to the tissue of patient.The skin ecto-entad of human body is followed successively by epidermis, skin corium, subcutaneous tissue, as long as patient is punctured
Subcutaneous tissue suture at hole, can effectively prevent the generation of puncturing hole hernia.Because the subcutaneous tissue of patient has sutured, puncturing hole is just
It will not open, be easy to epidermis and skin corium heals automatically.
After intraperitoneal operation, the puncture core assembly 200 of the embodiment of the present invention is inserted into patient from sheath assembly 300
In vivo.With reference to Figure 12, when original state, locking part 51 is located at 61 sustained height of the second blocking element, opposite two rectangles
It in slot 611, is limited by upper and lower rectangular teeth 612, locking part 51 can not move up and down, the first blocking element 5 and the second locking structure
Part 61 is opposing stationary.It is moved down while holding 6 or so reciprocating rotation of handle, makes the distal end of puncturing lever 2 from sheath assembly 300
Distal end stretch out.After cutting tip 1 reaches suitable position, because 55 one end of second spring and locking part 51 against and the other end and gear
Plate 48 is against when pressing inward against regulating key 56, regulating key 56, adjusting rod 53 are transported along adjusting rod channel 41 to 48 direction of baffle
Dynamic, 55 stress of second spring is compressed, after being detached from locking part 51 out of two rectangular channels 611 of opposite side, sustained height,
Adjustment portion 52 slide into the second blocking element 61 in, because adjustment portion 52 width less than the second blocking element 61 minimum spacing D2,
Adjustment portion 52 can move back and forth between 61 proximal end of the second blocking element and distal end.As shown in figure 11, when needs adjust suture
When the height in space, pressing inward against slide downward regulating key 56 after regulating key 56 can be increased the height of Oversewing space, to
Slidable adjustment key 56 can reduce the height of Oversewing space upwards after interior pressing regulating key 56.As shown in figure 13, when reaching
When required Oversewing space, unclamp regulating key 56, second spring 55 is released, elastic restoring force drive locking part 51 to
Outer movement, adjustment portion 52 are detached from the second blocking element 61, and above and below behind the position of fine tuning regulating key 56, locking part 51 is moved to
In opposite side, sustained height two rectangular channels 611, so that the first blocking element 5 be driven to move out；At this point, blade 54
End bosses 541 block baffle 48, to prevent the first blocking element 5 to be detached from from the second interior bar 4；First blocking element 5 is opposite
Locking, so that required Oversewing space height is fixed, because the cross-sectional area of connecting rod 45 is less than the cross-sectional area of puncturing lever 2,
Space is formed between the distal end of connecting rod 45, the proximal end of cutting tip 1 and puncturing lever 2.Hold handle 6 will puncture core assembly 200 to
Upper movement, until the clamping face of 1 proximal end of cutting tip and the subcutaneous tissue lower layer contacts of patient.Due to the elasticity of tissue, suffer from
Tissue at person's puncturing hole can be full of the Oversewing space, i.e. tissue encapsulation at patient's puncturing hole lives connecting rod 45, fills up and wear
Space between the proximal end of barbed end 1 and the distal end of puncturing lever 2.When reaching maximum suture height, the first blocking element 5 is slid into
The distal end of second blocking element 61, while connecting rod 45 moves to stage portion 46 and abuts with limited block 23, because in limited block 23
Diameter is less than the diameter of stage portion 46, and limited block 23 prevents stage portion 46 from continuing to move downward.
Then, as shown in Fig. 3, Figure 14, downwards by suture key 31, suture key 31 successively pushes the first interior bar 3, suture
Needle 7 and suture fixed block 8 move downward, and two respective needle points 72 of sewing needle 7 guide suture fixed block 8, in turn respectively
Two end line tails 91 of suture 9 are driven to move downward.
Figure 16 illustrates the process that the destination organization of the embodiment of the present invention is sewn.As long as by most lower at patient's puncturing hole
F layers of subcutaneous tissue suture of layer, can effectively prevent the generation of puncturing hole hernia；Preferably, in the epidermis E of patient's puncturing hole or
Skin corium knots, in this way, knot is located in puncturing hole, not from the exposing of the skin of patient, with prevent it is postoperative encounter knot, because of patient
Subcutaneous tissue sutured, puncturing hole just will not open, and be easy to epidermis or skin corium heals automatically.Preferably, suture 9
For the absorbable suture of human body.Unlock the slip-knot that the proximal end 92 of suture 9 is formed at limited post 44, the proximal end of suture 9
92 be in free state.Two respective needle points 72 of sewing needle 7 guide suture fixed block 8 respectively and then drive the two of suture 9
End line tail 91 is respectively out of, A, B two o'clock of subcutaneous tissue F comes into contact with and pierce that cutting tip 1 and puncturing lever 2 are formed space
Patient tissue, and in the accommodation groove 11 for guiding suture fixed block 8 to be installed on cutting tip 1, two end line tails 91 of suture 9
Subcutaneous tissue F is penetrated from D, C two o'clock respectively.Because the line tail 91 of suture 9 forms knot at winding slot 81 in advance, suture is solid
Determine block 8 to introduce the line tail 91 of suture 9 below the subcutaneous tissue of patient.
The outer surface of second blocking element 61 is equipped with mark, and as shown in figure 15, the second blocking element 61 arrives the vertical height of N point
Degree is the maximum value of the thickness of subcutaneous tissue F, and the vertical height of the second blocking element 61 to M point is the thickness of subcutaneous tissue F
Average value.Less than the stroke of mark shown in N point, i.e. regulating key 56 moves to the stroke of N point for adjusting institute from initial position
State the height of accommodating space.Greater than the stroke of mark shown in N point, i.e. regulating key 56 moves to the second blocking element 61 from N point
The stroke of distal end is used to increase the travel distance of suture 9, convenient for pulling out suture；For being less than the thickness of subcutaneous tissue F
Maximum value destination organization, the stroke of M point to N point is also used for increasing the travel distance of suture 9, further convenient for will suture
Line pulls out.Specifically, it after two end line tails 91 of suture 9 penetrate subcutaneous tissue F from D, C two o'clock respectively, presses inward against again
Slide downward regulating key 56 after regulating key 56, because suture fixed block 8 has been inserted into the accommodation groove 11 of cutting tip 1,
And line tail 91 is wrapped on the winding slot 81 of suture fixed block 8 and forms knot at winding slot 81, and then single by adjusting
Member continues the line tail 91 of suture 9 to intraperitoneal movement a trip；Then, regulating key 56 is unclamped, second spring 55 obtains
To release, elastic restoring force drives locking part 51 to move out, and adjustment portion 52 is detached from the second blocking element 61, upper and lower to finely tune
Behind the position of regulating key 56, locking part 51 is moved in opposite side, sustained height two rectangular channels 611, the first locking
Component 5 is with respect to locking, to continuing line tail 91 to intraperitoneal movement a trip, the distance of the stroke is greater than subcutaneous tissue
The thickness of F, can compensate for subcutaneous tissue F even include skin corium and epidermis thickness, continue movement stroke make line tail 91
It is being diverted and while moving upwards can be drawn out from subcutaneous tissue F and even be drawn out out of abdominal wall, while making suture 9
Distal end progresses into patient's body.(show to stitch when in the accommodation groove 11 that suture fixed block 8 has been fixed on cutting tip 1
Close the subcutaneous tissue that needle 7 has pierced patient completely), suture key 31 is unclamped, because the distal end of third spring 47 is remote with puncturing lever 2
End abuts, and proximal end is abutted with the distal end of the first interior bar 3, and third spring 47 is released and extends, the elasticity of third spring 47
Tension pushes the first interior bar 3 to move upwards, and the first interior bar 3 drives sewing needle 7 to move upwards, due to the clamping of 1 proximal end of cutting tip
Face is located at below the subcutaneous tissue of patient, and the tissue of patient prevents the clamping face of 1 proximal end of cutting tip from moving up, and then prevents to wear
Barbed end 1 moves up；Because the fit system of suture fixed block 8 and the accommodation groove 11 of cutting tip 1 is interference fit, stitched after cooperation
Zygonema fixed block 8 is difficult to separate with accommodation groove 11, and sewing needle 7 and 8 clearance fit of suture fixed block；So unclamping suture
After key 31, the first interior bar 3 drives sewing needle 7 gradually to separate with suture fixed block 8, and sewing needle 7 is retracted to the close of puncturing lever 2
In the U-lag 22 at end, suture fixed block 8 is located in the accommodation groove 11 of cutting tip 1.
It holds handle 6 and is moved up core assembly 200 is punctured, puncturing lever 2, connecting rod 45, cutting tip 1 are detached from the body of patient
Interior, suture fixed block 8 is fixedly connected with the accommodation groove 11 of cutting tip 1, and cutting tip 1 is detached from trouble with suture fixed block 8 together
Person's is internal, and because the line tail 91 of suture 9 is connect with suture fixed block 8, the line tail 91 of suture 9 is located at patient's hypodermis
Lower section, during cutting tip 1 leaves patient's body, two line tails 91 of suture 9 move up from puncturing hole, band
The proximal end 92 of dynamic suture 9 progresses into patient's body and contacts with subcutaneous tissue F, consequently facilitating passing through cutting tip 1 for line tail 91
Pull out abdominal cavity.Cutting tip 1 be detached from patient it is internal after, tense suture 9 two line tails 91 and knot after, it is extra to remove
Suture 9 completes the suture of puncturing hole.As long as can effectively prevent wearing because suturing the subcutaneous tissue at patient's puncturing hole
The generation of acanthopore hernia；Preferably, it knots in the epidermis of patient or skin corium, in this way, knot is located in puncturing hole, does not leak out trouble
The skin of person, with prevent it is postoperative encounter knot, because the subcutaneous tissue of patient has sutured, puncturing hole just will not open, and be easy to epidermis
Layer or skin corium heal automatically.Preferably, suture 9 is the absorbable suture of human body.
Core assembly 200 is punctured based on as described above, the present invention also provides a kind of puncture outfits 1000 to puncture with reference to Figure 16
Device 1000 further includes sheath assembly 300, when puncture, punctures core assembly 200 and is inserted into puncture cannula component 300, and guiding sleeve
Component 300 enters in abdominal cavity of patients, is operated so that other surgical operating instruments enter patient's body, sutures in cutting
After operation, puncture outfit 1000 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；The suture of puncturing hole can be realized in narrow puncturing hole again, and can be according to the individual difference of destination organization
It is different, suture height is adjusted, sewing effect is good；Puncturing hole hernia caused by capable of effectively avoiding because of Minimally Invasive Surgery puncturing hole, and the present invention
Puncture core assembly and with its puncture outfit can puncture when cutting tip and puncturing lever between gapless, after piercing formed seam
Space is closed, the wound of patient will not be scratched when puncturing, patient suffering is effectively reduced, conducive to the postoperative rehabilitation of patient.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
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 (15)
1. a kind of height adjustment device, for adjusting and fixing the height of the accommodating space between the first component and second component,
It is characterized in that, the height adjustment device includes the first blocking element and the second blocking element；First blocking element can
The relatively described second component movement, second blocking element are fixedly connected or are integrally formed with the first component；
The second component can be moved relative to the first component to form accommodating space, and first blocking element can be opposite
It is moved in second blocking element, so that the second component be driven to move relative to the first component, realizes and adjust institute
State the height of accommodating space；It can be mutually locked between first blocking element and second blocking element, thus fixed institute
State the height of accommodating space.
2. height adjustment device according to claim 1, which is characterized in that first blocking element include adjustment portion and
Locking part, the locking part and the adjustment portion are integrally formed, and second blocking element includes the square that several are arranged alternately
Shape tooth and rectangular channel.
3. height adjustment device according to claim 2, which is characterized in that the width of the locking part is greater than the adjusting
The width in portion.
4. height adjustment device according to claim 2, which is characterized in that the adjustment portion can be along the second locking structure
Part sliding, the locking part can be limited in the rectangular channel.
5. height adjustment device according to claim 2, which is characterized in that the rectangular teeth of second blocking element
It is symmetrical arranged, the rectangular channel is symmetrical arranged, and the width of the locking part is greater than sustained height, symmetrically arranged two rectangles
The distance between tooth, and less than the distance between sustained height, symmetrically arranged two rectangular channels；The width of the adjustment portion
Less than the distance between sustained height, symmetrically arranged two rectangular channels.
6. height adjustment device according to claim 2, which is characterized in that the height of the locking part is equal to the adjusting
The height in portion is the first height；The height of the rectangular teeth and the rectangular channel is equal, is the second height.
7. height adjustment device according to claim 6, which is characterized in that it is high that first height is less than described second
Degree.
8. height adjustment device according to claim 2, which is characterized in that first blocking element includes adjusting rod,
It axially extends to form several blades in one end of the adjusting rod, the blade is circumferentially uniform along one end of the adjusting rod
Distribution.
9. height adjustment device according to claim 8, which is characterized in that the height adjustment device further includes interior bar sheet
The proximal end of body, first blocking element and the interior movable connection of bar body, the interior bar body is equipped with adjusting rod channel,
The adjusting rod channel provides the channel of operation for the adjusting rod.
10. height adjustment device according to claim 9, which is characterized in that the height adjustment device further includes baffle,
The baffle is integrally formed and vertical with the adjusting rod channel with the adjusting rod channel, and the baffle is equipped with through-hole, institute
Through-hole is stated to be connected to the adjusting rod channel.
11. height adjustment device according to claim 10, which is characterized in that the adjusting rod channel is externally provided with spring,
One end of the spring is abutted with the baffle, and the other end is abutted with the locking part.
12. height adjustment device according to claim 8, which is characterized in that the outer surface of the blade is equipped with protrusion.
13. height adjustment device according to claim 8, which is characterized in that the locking part and the adjustment portion are along institute
Adjusting rod is stated to radially extend to be formed.
14. height adjustment device according to claim 1, which is characterized in that second blocking element is equipped with stroke mark
Know, the stroke less than the mark is used to adjust the height of the accommodating space, greater than the stroke of the mark for described the
One blocking element drives the second component to continue the travel distance moved.
15. height adjustment device according to claim 1, which is characterized in that the height adjustment device includes the first row
Journey and second stroke, the first stroke are the stroke for adjusting the height of the accommodating space, and the second stroke is to reach
After first stroke, first blocking element drives the second component to continue the stroke moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976290.7A CN109674517B (en) | 2017-10-18 | 2017-10-18 | Height adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710976290.7A CN109674517B (en) | 2017-10-18 | 2017-10-18 | Height adjusting device |
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| CN109674517A true CN109674517A (en) | 2019-04-26 |
| CN109674517B CN109674517B (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710976290.7A Active CN109674517B (en) | 2017-10-18 | 2017-10-18 | Height adjusting device |
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| JP2022531431A (en) * | 2019-05-02 | 2022-07-06 | 江蘇風和医療器材股▲ふん▼有限公司 | Suture release mechanism, puncture core component, puncture device and how to use it |
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|---|---|
| CN109674517B (en) | 2020-09-11 |
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