CN115281762A - Split suture structure, blood vessel crevasse suture piece and blood vessel suture device - Google Patents

Split suture structure, blood vessel crevasse suture piece and blood vessel suture device Download PDF

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Publication number
CN115281762A
CN115281762A CN202210960919.XA CN202210960919A CN115281762A CN 115281762 A CN115281762 A CN 115281762A CN 202210960919 A CN202210960919 A CN 202210960919A CN 115281762 A CN115281762 A CN 115281762A
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suture
blood vessel
guide
guide pin
penetrator
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陈秀敏
李清
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Shanghai Aoliu Medical Technology Co ltd
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Shanghai Aoliu Medical Technology Co ltd
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Priority to CN202210960919.XA priority Critical patent/CN115281762A/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0466Suture bridges
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0482Needle or suture guides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0483Hand-held instruments for holding sutures
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/04Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/06Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
    • A61B17/06166Sutures
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/0057Implements for plugging an opening in the wall of a hollow or tubular organ, e.g. for sealing a vessel puncture or closing a cardiac septal defect
    • A61B2017/00646Type of implements
    • A61B2017/00663Type of implements the implement being a suture

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  • Life Sciences & Earth Sciences (AREA)
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  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
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Abstract

The application discloses a split suture structure, a blood vessel crevasse suture piece and a blood vessel suture device, wherein the split suture structure comprises a suture pair and a bridging connecting strip preset in the blood vessel crevasse, and the suture pair comprises a first penetrator and a second penetrator which are used for respectively forming first penetration and second penetration from the outside to the blood vessel; the suture thread is used for penetrating out from the second penetration after penetrating into the blood vessel from the first penetration and retracting the first penetration and the second penetration, one end of the suture thread is a quick connector I connected with one end of the bridging connecting strip, and the other end of the bridging connecting strip is a quick connector II connected with the second penetrator; at least two sets of sewing pairs are provided, and the bridge connecting strips corresponding to different sewing pairs are mutually crossed and overlapped. The suture forms a suture loop; the different suture loops form a cross inside the vascular laceration. The blood vessel crevasse suturing piece and the blood vessel suturing device both adopt a split-row suturing structure, can be suitable for large-caliber blood vessel crevasses, and can replace a plurality of suturing devices to realize a suturing function by using one blood vessel suturing device.

Description

Split suture structure, blood vessel crevasse suture piece and blood vessel suture device
Technical Field
The application relates to a split suture structure, a blood vessel crevasse suture piece and a blood vessel suture device, and belongs to the technical field of medical instruments.
Background
Aiming at suturing of a broken blood vessel, a commonly used blood vessel suturing device is Proglide of Yapei company at present, the blood vessel suturing device adopts the principle that a suture line loop is formed at a blood vessel wound through a puncture needle with a thread and is knotted and fixed, although the broken blood vessel can be sutured effectively, the broken blood vessel can be sutured at one position only through a single suture line loop, for the broken blood vessel with larger size, more than 2 suturing devices are generally needed to be used, the operation is repeated, and the operation process is complicated and difficult. Further, the patent application of chinese publication No. CN101897606A discloses another blood vessel suturing device (Angioseal) commonly used in clinic, which is used for hemostasis from the intravascular and extravascular clamping wounds by forming a sandwich structure using a small spacer, but this device can be applied only to the interventional operation of small blood vessel lacerations (below 8F) and has poor applicability to larger-caliber blood vessel lacerations.
Disclosure of Invention
The technical problem that this application will be solved is how to carry out disposable sewing to great bore blood vessel breach, reduces the operation degree of difficulty.
In order to solve the technical problem, the technical scheme of the application is to provide a split suture structure, which comprises a suture pair and a bridging connecting strip preset in a blood vessel opening, wherein the suture pair comprises a first penetrator and a second penetrator which are used for respectively forming first penetration and second penetration from the outside to the blood vessel, and further comprises a suture line which is used for penetrating out from the second penetration after the first penetration enters the blood vessel and realizing the first penetration and the second penetration, one end of the suture line is provided with a quick connector I used for connecting one end of the bridging connecting strip, and the other end of the bridging connecting strip is provided with a quick connector II used for connecting the second penetrator; at least two sets of sewing pairs are provided, and the bridge connecting strips corresponding to different sewing pairs are mutually crossed and superposed.
The solid structure of the quick connector I is arranged on the gap bridge connecting strip or the suture, and the solid structure of the quick connector II is arranged on the gap bridge connecting strip or the second penetrator. The structure form of mutual crossing and overlapping among the gap bridge connecting strips is that the middle part of the gap bridge connecting strip on one side bypasses the gap bridge connecting strip on the other side in an angle; furthermore, the mutually crossed and overlapped structural form between the bridging connecting strips is that the bridging connecting strip on one side is wound when bypassing the bridging connecting strip on the other side.
Preferably, a pre-tying knot for enabling the suture to penetrate into the grip to enable the suture to form a ring shape is arranged behind the suture. When the blood vessel puncture outfit is used, the first penetrator and the second penetrator are positioned at two sides outside the blood vessel puncture, and the gap bridge connecting strip is positioned in the blood vessel puncture; the first penetrator forms a first penetration on one side of the laceration, the second penetrator forms a second penetration on the other side of the laceration, a suture passes through the first penetration and is connected to one end of the bridging connecting strip, the other end of the bridging connecting strip is withdrawn from the second penetration and passes through the pre-tying, the bridging connecting strip passes through the pre-tying to drive the suture to pass through the pre-tying to form a suture loop, and different suture loops form a cross inside the vascular laceration.
Preferably, both ends of each bridging connecting strip are provided with developing sections for positioning in blood vessels. When the operation is performed and the suture is performed, the current position of the gap bridge connecting strip can be observed through the developing section, so that the suture state is observed at present, the operation difficulty is reduced, and the operation of an operator is facilitated.
The possible realization structural forms of the split stitching structure are as follows: the first penetrator comprises a first guide pin, a first connector and a pull line which are arranged at the front end of the first guide pin and can be pulled and inserted, the second penetrator comprises a second guide pin and a second connector which is arranged at the front end of the second guide pin and can be pulled and inserted, two ends of the gap bridge connecting strip are arranged into a socket for connecting the first connector or the second connector, the second connector is connected with a suture line, the first connector is connected with the pull line, and a pre-tying sleeve at the rear part of the suture line is sleeved on the pull line. The first guide pin and the second guide pin penetrate through the blood vessel and are inserted into the insertion ports at two ends of the gap bridge connecting strip; the second guide pin is withdrawn outwards, and the second joint drives the suture to fall off from the second guide pin; the first guide pin withdraws outwards, the first connector drives the drawing line to fall off from the first guide pin, the drawing line withdraws outwards, the drawing line drives the gap bridge connecting strip so as to drive the suture line to pass through the pre-tying system to form a suture line loop, and the two suture line loops are crossed by the two gap bridge connecting strips which are distributed in a crossed manner.
The preferable realization structural style of the split sewing structure is as follows: the first penetrator comprises a wireless guide pin and a first joint arranged at the front end of the wireless guide pin, the second penetrator comprises a strip line guide pin and a pluggable second joint arranged at the front end of the strip line guide pin, the two ends of the gap bridge connecting strip are provided with insertion ports connected with the first joint or the second joint, the second joint is connected with a suture line, and a pre-tying sleeve at the rear of the suture line is sleeved on the wireless guide pin. The wireless guide pin and the guide pin with the wire penetrate through the blood vessel and are inserted into the insertion ports at the two ends of the gap bridge connecting strip; the guide pin with the thread is withdrawn outwards, and the second joint drives the suture to fall off from the guide pin with the thread; the wireless guide pin withdraws outwards, and the wireless guide pin drives the gap bridge connecting strip, thereby drives the stylolite to pass and ties in advance and form the stylolite return circuit, and two cross distribution's gap bridge connecting strip make two stylolite return circuits form alternately.
Based on the implementation structure with the optimized split suture structure, the application also provides a blood vessel crevasse suture piece, which also comprises a guide base which is corresponding to the number of suture pairs and is preset in the blood vessel crevasse, wherein the guide base is connected with a guide column extending out of the blood vessel crevasse, a first penetrator and a second penetrator of the suture pairs are respectively arranged at two sides of the guide column, the first penetrator and the second penetrator are used for moving towards the guide base to penetrate through the blood vessel, and a guide groove for guiding the first penetrator and the second penetrator is arranged on the guide base; two ends of the gap bridge connecting strip are detachably hung on the connecting and leading groove of the connecting and leading base.
The application also provides a blood vessel stitching instrument which comprises a catheter, the blood vessel crevasse stitching piece and an operating handle which are connected in sequence, wherein a guide wire is used for being penetrated in the catheter; the blood vessel crevasse suturing piece also comprises a connecting and leading base groove for accommodating the connecting and leading base, and the connecting and leading base is accommodated in the connecting and leading base groove; the operating handle comprises a guide pin pushing handle and a guide base release knob; the connecting and leading base release knob is connected with a control wire, and the control wire is connected to the connecting and leading base to drive the gap bridge connecting strip to move to a proper position; the rear ends of the wireless guide pin \ first guide pin and the wired guide pin \ second guide pin are connected to the guide pin pushing handle.
Preferably, each guiding base moves independently, and each guiding base is connected with an independently operated guiding base release knob; the wireless guide pin in each sewing pair and the guide pin push handle connected with the rear end of the guide pin with the thread are independently operated guide pin push handles. Each suture pair can be independently operated, a plurality of suture loops can be formed in sequence, and the positions of individual suture loops can be adjusted in the forming process, so that the suture pair is suitable for larger vascular lacerations.
Preferably, the connecting and leading base groove is of a hollow frame structure, the connecting and leading base is arranged in the connecting and leading base groove, and the middle part of the connecting and leading base is provided with a rotating shaft hinged with the connecting and leading base groove. The volume of the leading base is small when the leading base is stored in the leading base groove, the leading base can conveniently stretch into a blood vessel from the blood vessel laceration, and the leading base can be upwards lifted and pulled to abut against the wall of the blood vessel laceration after being rotationally released from the leading base groove. Specifically, the control line winding is located and is connect and draw on base release knob, and the control line both ends are connected respectively and are being connected in the both sides that connect and draw the base rotation axis, connect and draw base release knob forward rotation to drive and connect and draw the base rotation release, and reverse rotation will connect and draw the base to accomodate the tieback and draw the base groove.
The application has the advantages that the device is suitable for large-caliber blood vessel lacerations, and one blood vessel stitching instrument can replace a plurality of stitching instruments to realize the stitching function; the suture at different angles can be realized by adjusting the angle, so that the clinical selection of doctors is increased; secondly, independent suture control structures can be adopted among different sutures, so that the flexibility of suture operation is improved, and the suture range is enlarged, so that the suture control structure is suitable for suturing large-size blood vessel lacerations; finally, the blood vessel stitching instrument can realize crossed stitching loops, cross and lock the lacerated opening of the blood vessel, and improve the stitching success rate of large wounds.
Drawings
FIG. 1 is a schematic structural view of a blood vessel suturing device provided in an embodiment;
FIG. 2 is a schematic view of a vascular breach suture provided in an embodiment;
FIG. 3 is a schematic view of a state of use of a vascular breach suture provided in the embodiments;
FIG. 4 is a schematic view showing the cross-lapping of the bridge connecting strips provided in the embodiment;
FIG. 5 is a schematic view of an operating handle of the blood vessel suturing device provided in the embodiment;
fig. 6 is a schematic view of a suture loop forming a cross provided in an embodiment.
Detailed Description
In order to make the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
The present embodiments provide a split-row suturing structure for a vascular laceration; the split suture structure comprises at least two suture pairs arranged in parallel, a suture line corresponding to each suture pair and flexible bridging connecting strips corresponding to the number of the suture pairs, wherein one suture pair forms a suture line loop, the two suture pairs arranged in parallel form two suture line loops, and specifically, each suture pair comprises a first penetrator and a second penetrator which are arranged outside a cut, the bridging connecting strips are preset in the cut of a blood vessel, the first penetrator and the second penetrator are arranged on two sides outside the cut of the blood vessel, the first penetrator is used for forming first penetration on one side of the cut, the second penetrator is used for forming second penetration on the other side of the cut, the second penetrator sends a suture line from the second penetration position to enable the suture line to be connected to one end of the bridging connecting strips, a pre-tying system is arranged behind the suture line on the first penetrator, the first penetrator passes through the first penetration position to be connected to the other end of the bridging connecting strips, the first penetrator takes the other end of the bridging connecting strips out from the first penetration position to enable the bridging connecting strips to pass through the pre-tying system and then withdraws the suture lines to form the bridging connecting strips; at least two suture pairs form at least two suture loops, for example, two suture pairs, the two suture loops are crossed and overlapped between the bridging connecting strips corresponding to the two suture pairs respectively, and the formed two suture loops are crossed inside the vascular lacerations.
Specifically, the structural form of the cross connection strips in the cross overlapping mode is that the middle of the cross connection strip on one side bypasses the middle of the cross connection strip on the other side at an angle, further, the cross connection strip on one side is wound when bypassing the cross connection strip on the other side, and the structural form of the cross suture line loop is finally formed according to the arrangement mode of the cross connection strips in the cross overlapping mode.
Specifically, the two ends of the gap bridge connecting strip are provided with developing sections used for positioning in blood vessels, so that an operator can better observe the operation state.
Specifically, in a possible implementation manner, as shown in fig. 3, two parallel suture pairs are provided, the first penetrator includes a wireless guide pin 2-4 and a first connector arranged at the front end of the wireless guide pin 2-4, the second penetrator includes a strip guide pin 2-5 and a pluggable second connector arranged at the front end of the strip guide pin 2-5, two bridging connection strips 2-1 positioned inside the blood vessel laceration intersect, two ends of the bridging connection strip 2-1 are provided with insertion ports for connecting the first connector or the second connector, the second connector is connected with suture threads 2-6, a pre-tied system behind the suture threads 2-6 is sleeved on the wireless guide pin 2-4 in the same column, and the wireless guide pin 2-4 and the strip guide pin 2-5 penetrate the blood vessel and are inserted into the insertion ports at two ends of the bridging connection strip 2-1; the guide pin 2-5 with the thread is withdrawn outwards, and the second joint drives the suture thread 2-6 to fall off from the guide pin 2-5 with the thread; the wireless guide pin 2-4 is withdrawn outwards, the wireless guide pin 2-4 drives the gap bridge connecting strip 2-1 and thus the suture thread 2-6 to pass through the pre-tied knot to form a suture thread loop, and the two suture thread loops are crossed by the two gap bridge connecting strips 2-1 which are distributed in a crossed manner, as shown in fig. 6.
Different from the above implementation manner, this embodiment further provides another possible implementation manner of the split-row suture structure, where the first penetrator includes a first guide pin, a pluggable first connector and a pull-out wire provided at a front end of the first guide pin, the second penetrator includes a second guide pin and a pluggable second connector provided at a front end of the second guide pin, two bridging connection strips located inside the blood vessel laceration intersect, two ends of the bridging connection strip are provided with insertion ports for connecting the first connector or the second connector, the second connector is connected with the suture wire, the first connector is connected with the pull-out wire, a pre-tied system behind the suture wire is sleeved on the pull-out wire in the same row, and the first guide pin and the second guide pin penetrate through the blood vessel and are inserted into the insertion ports at two ends of the bridging connection strip; the second guide pin is withdrawn outwards, and the second joint drives the suture line to fall off from the second guide pin; the first guide pin is withdrawn outwards, the first connector drives the drawing and pulling wire to fall off from the first guide pin, the drawing and pulling wire is withdrawn outwards, the drawing and pulling wire drives the gap bridge connecting strip so as to drive the suture to pass through the pre-tied knot to form a suture loop, and the two suture loops are crossed by the two gap bridge connecting strips which are distributed in a crossed manner.
The embodiment also provides a blood vessel laceration suturing part 2 comprising a split suturing structure, wherein the blood vessel laceration suturing part 2 comprises the split suturing structure and guide bases 2-3 which correspond to the number of suturing pairs and are preset in a blood vessel laceration, a plurality of guide bases 2-3 can be set to be in split independent operation or fixed to be in integral unified operation, the guide bases 2-3 are hinged with guide columns extending out of the blood vessel laceration, a first penetrator and a second penetrator of a suturing pair are respectively arranged on two sides of each guide column, the first penetrator and the second penetrator are used for moving towards the guide bases to penetrate blood vessels, the guide columns play a guiding role in the penetrating process of the first penetrator and the second penetrator, and the guide bases 2-3 are provided with guide grooves for guiding the first penetrator and the second penetrator; see in particular fig. 2 and 3; two wireless guide pins 2-4 are positioned at one side of a guide post, two strip line guide pins 2-5 are positioned at the other side of the guide post, two gap bridge connecting strips 2-1 of a split suture structure are overlapped in a crossed way and then hung on a connecting guide groove of a connecting guide base 2-3 in a releasable connection way, four plug sockets of the two gap bridge connecting strips 2-1 respectively face the wireless guide pins 2-4 or the strip line guide pins 2-5, when the wireless guide pin is used, the guide post carries the connecting guide base 2-3 to be plugged obliquely from a broken blood vessel, the guide post is rotated to lift the connecting guide base 2-3 upwards to enable the connecting guide base 2-3 to be attached to the inner wall of a blood vessel, the wireless guide pins 2-4 and the strip line guide pins 2-5 are positioned at two sides of the broken blood vessel, the plug sockets at two ends of the gap bridge connecting strips 2-1 are also positioned at two sides of the broken blood vessel, the wireless guide pins 2-4 and the strip line guide pins 2-5 are pushed downwards along a guide rod, a first connector of the wireless guide pin 2-4 and a second connector of the strip line guide pin 2-5 are inserted into the connecting strips 2-1 to be pushed to fall from the connecting base 2-3 along the connecting strip grooves 2-1 and the connecting strip-2-3.
In the process of forming the crossed suture line loop, the connecting base 2-3 and the guide column have the function of relatively limiting the position of the bridging connecting strip 2-1 and the direction of the plug socket, and the wireless guide needle 2-4 and the strip guide needle 2-5 are inserted into the plug socket along the guide column penetrating through the blood vessel wall.
The embodiment further provides a blood vessel suturing device comprising a blood vessel crevasse suturing part 2, as shown in fig. 1, the blood vessel crevasse suturing device specifically comprises a catheter 1, a blood vessel crevasse suturing part 2, a discharge pipe 3 and an operating handle 4 which are connected in sequence, wherein a guide wire hole is arranged inside the catheter 1, a guide wire hole inlet is arranged at the front end, a guide wire hole outlet is arranged at the rear end, a guide wire penetrates through the guide wire hole, the guide catheter 1 extends into a blood vessel through the blood vessel crevasse, the blood vessel crevasse suturing part 2 is used for suturing the blood vessel crevasse, the discharge pipe 3 provides a routing channel, a needle walking channel or a moving channel for a suture thread 2-6, a suture needle for suturing and each control line, and the operating handle 4 is provided with a plurality of operating structures for controlling and operating the guide needle, the suture thread 2-6, the guide bases 2-3 and the like.
As shown in fig. 4 and 5, the blood vessel laceration suturing member 2 further comprises a connecting and guiding base groove 2-2 for accommodating the connecting and guiding base 2-3, the connecting and guiding base groove 2-2 is of a hollow frame structure, the connecting and guiding base 2-3 is positioned in the connecting and guiding base groove 2-2, and a rotating shaft is arranged in the middle of the connecting and guiding base 2-3 and is hinged with the connecting and guiding base groove 2-2; initially, a guide base 2-3 is accommodated in a guide base groove 2-2, a catheter 1 is sent into a blood vessel from a crevasse through a guide wire preset in the blood vessel until the guide base 2-3 of a blood vessel crevasse suturing piece 2 completely extends into the blood vessel, two sides of the guide base 2-3 are connected with control wires, the control wires are wound on a guide base release knob 4-2 of an operating handle 4, two ends of the control wires are respectively connected to two sides of a rotating shaft in the middle of the guide base 2-3, the guide base release knob 4-2 is rotated forward to drive the guide base 2-3 to rotate so as to release the guide base from the guide base groove 2-2, the guide base 2-3 is pulled upwards to be attached to the inner wall of the blood vessel, a wireless guide needle 2-4 and a strip guide needle 2-5 are positioned on two sides of the blood vessel crevasse, the rear ends of the wireless guide needle 2-4 and the strip guide needle 2-5 are connected to a guide handle 4-1 of the operating handle 4, the wireless guide needle 4-1 is pushed downwards to push the wireless guide needle 2-4 and the strip guide needle 2-5 to be connected with the strip guide needle 2-5 in a cross suture loop, and the blood vessel wall to form a loop, and withdraw from the strip guide 2-5; after a loop is formed, the connecting and guiding base release knob 4-2 is rotated reversely to collect the connecting and guiding base 2-3 into the connecting and guiding base groove 2-2, then the blood vessel crevasse suturing piece 2 and the catheter 1 are withdrawn from the blood vessel crevasse, the suture line 2-6 is tensioned, the crevasse is locked, and the blood vessel suturing is realized. Two groups of suture lines can be simultaneously sent into the blood vessel by pushing the guide pin pushing handle 4-1 once, the two groups of suture lines form intersection in the blood vessel, and after all the guide pins are withdrawn, two intersected suture line loops realize intersection suture on the broken blood vessel.
In some possible implementations, the two wireless guide pins 2-4 and the two guide pins with wire 2-5 have their ends connected to the independent push handles 4-1, and during operation, one set of suture can be formed into a suture loop, then the position of the vascular laceration suture 2 at the vascular laceration can be adjusted slightly, and then the other set of suture can be formed into a suture loop, and this independent structure can be used to suture a relatively large vascular laceration, and the penetration position can be conveniently adjusted to make the crossed suture loop fixed at a longer distance, for example, when the aperture of the vascular laceration is 1.5-2 times of the diameter of the vascular laceration suture 2, the vascular laceration suture 2 can be inserted from one end near the wound first, then the guide bases 2-3 at the side can be unfolded, and the corresponding guide pins can be used to puncture the blood vessel, so as to realize the suture of the first set of suture 2-6; the device is then moved to the other side of the wound and the above operation is repeated to effect another set of sutures, the two sets of suture loops crossing inside the vessel, tightening and sealing the vessel lacerations from both sides. The suture of the lacerated opening of the blood vessel with larger size is realized by widening the positions of the two groups of suture line loops on the blood vessel.
In summary, the blood vessel suturing device provided by the embodiment can be suitable for large-caliber blood vessel lacerations, and one blood vessel suturing device can replace the functions of a plurality of suturing devices; the suture at different angles can be realized by adjusting the angle, so that the clinical selection of doctors is increased; secondly, independent suture control structures can be adopted among different sutures, so that the flexibility of suture operation is improved, and the suture range is enlarged, so that the suture control structure is suitable for suturing large-size blood vessel lacerations; finally, the blood vessel stitching instrument can realize crossed stitching loops, lock blood vessel lacerations in a crossed mode, and improve the stitching success rate of large wounds.

Claims (12)

1. The split suture structure is characterized by comprising a suture pair and a crossing bridge connecting strip (2-1) preset in a vascular puncture, wherein the suture pair comprises a first penetrator and a second penetrator which are used for respectively forming a first penetration and a second penetration from the outside to the blood vessel, and further comprises a suture (2-6) which is used for penetrating out from the second penetration after the first penetration enters the blood vessel and realizing the retraction and pulling of the first penetration and the second penetration, one end of the suture (2-6) is provided with a quick joint I used for connecting one end of the crossing bridge connecting strip (2-1), and the other end of the crossing bridge connecting strip (2-1) is provided with a quick joint II used for connecting the second penetrator; at least two sets of sewing pairs are provided, and the bridge connecting strips (2-1) corresponding to different sewing pairs are mutually crossed and overlapped.
2. The split sewing structure of claim 1, wherein the bridging links (2-1) are stacked in a crossing manner such that the middle of one bridging link (2-1) is angled to pass around the middle of the other bridging link (2-1).
3. The split stitching structure according to claim 2, wherein the bridge connecting strips (2-1) are mutually overlapped in a cross manner, and the bridge connecting strips (2-1) on one side are wound when bypassing the bridge connecting strips (2-1) on the other side.
4. Split suturing structure according to claim 1, wherein behind the suturing thread (2-6) there is a pre-tied knot for threading the suturing thread (2-6) into the grip for looping the suturing thread (2-6).
5. The split suture structure according to claim 1, wherein each of the bridging links (2-1) is provided at both ends thereof with visualization sections for positioning within the blood vessel.
6. The split suture structure of claim 1, wherein the first penetrator comprises a first guide pin, a first joint capable of being inserted and pulled and arranged at the front end of the first guide pin, and a pull line, the second penetrator comprises a second guide pin and a second joint capable of being inserted and pulled and arranged at the front end of the second guide pin, two ends of the bridging connecting strip (2-1) are provided with inserting ports for connecting the first joint or the second joint, the second joint is connected with the suture line (2-6), the first joint is connected with the pull line, and a pre-tied knot behind the suture line (2-6) is sleeved on the pull line.
7. The split suture structure according to claim 1, wherein the first penetrator comprises a wireless guide pin (2-4) and a first connector arranged at the front end of the wireless guide pin (2-4), the second penetrator comprises a strip guide pin (2-5) and a pluggable second connector arranged at the front end of the strip guide pin (2-5), two ends of the bridging connecting strip (2-1) are provided with insertion ports for connecting the first connector or the second connector, the second connector is connected with the suture line (2-6), and a pre-tied knot behind the suture line (2-6) is sleeved on the wireless guide pin (2-4).
8. A vascular breach suture assembly, comprising the split suture structure of claim 6 or 7 and a plurality of guide bases (2-3) preset in the vascular breach corresponding to the number of suture pairs, wherein the guide bases (2-3) are connected with a guide post extending out of the vascular breach, a first penetrator and a second penetrator of the suture pairs are respectively arranged at two sides of the guide post and are used for moving towards the guide bases (2-3) to penetrate through the blood vessel, and the guide bases (2-3) are provided with guide grooves for guiding the first penetrator and the second penetrator; two ends of the gap bridge connecting strip are detachably hung on the connecting and leading groove of the connecting and leading base.
9. A vascular stapler, characterized by comprising a catheter (1), a vascular laceration suturing member (2) according to claim 8 and an operating handle (4) which are connected in sequence; the catheter (1) is used for a guide wire to penetrate through; the vascular crevasse suturing piece (2) further comprises a leading base groove (2-2) for accommodating a leading base (2-3); the operating handle (4) comprises a guide pin pushing handle (4-1) and a guide base release knob (4-2); the connecting and leading base release knob (4-2) is connected with a control wire, and the control wire is connected to the connecting and leading base (2-3) to drive the gap bridge connecting strip to move to a proper position; the rear ends of the wireless guide pin (2-4) \ first guide pin and the wired guide pin (2-5) \ second guide pin are connected to a guide pin push handle (4-1).
10. The vascular stapler of claim 9, wherein the docking stations move independently of each other, each docking station being connected to an independently operable docking station release knob; the wireless guide pins (2-4) in each sewing pair and the guide pin push handles (4-1) connected with the rear ends of the guide pins (2-5) with threads are independently operated guide pin push handles.
11. The vascular suturing device according to claim 9, wherein the connecting and guiding base groove (2-2) is a hollow frame structure, the connecting and guiding base (2-3) is arranged in the connecting and guiding base groove (2-2), and the middle part of the connecting and guiding base (2-3) is provided with a rotary shaft hinged with the connecting and guiding base groove (2-2).
12. Vessel suturing device according to claim 11, wherein the control wire is wound around the release knob (4-2) of the guide base, and the two ends of the control wire are respectively connected to the two sides of the rotation axis in the middle of the guide base (2-3).
CN202210960919.XA 2022-08-11 2022-08-11 Split suture structure, blood vessel crevasse suture piece and blood vessel suture device Pending CN115281762A (en)

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CN202210960919.XA CN115281762A (en) 2022-08-11 2022-08-11 Split suture structure, blood vessel crevasse suture piece and blood vessel suture device

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CN202210960919.XA CN115281762A (en) 2022-08-11 2022-08-11 Split suture structure, blood vessel crevasse suture piece and blood vessel suture device

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040097978A1 (en) * 1999-03-04 2004-05-20 Modesitt D. Bruce Articulating suturing device and method
CN111493953A (en) * 2020-04-24 2020-08-07 杭州医蜂转化智能科技有限公司 Tissue stitching instrument
CN112971883A (en) * 2021-03-08 2021-06-18 复旦大学附属中山医院 Large wound blood vessel suturing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040097978A1 (en) * 1999-03-04 2004-05-20 Modesitt D. Bruce Articulating suturing device and method
CN111493953A (en) * 2020-04-24 2020-08-07 杭州医蜂转化智能科技有限公司 Tissue stitching instrument
CN112971883A (en) * 2021-03-08 2021-06-18 复旦大学附属中山医院 Large wound blood vessel suturing device

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