CN115281762B - A split suture structure, a vascular rupture suture piece, and a vascular suture device - Google Patents
A split suture structure, a vascular rupture suture piece, and a vascular suture device Download PDFInfo
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- CN115281762B CN115281762B CN202210960919.XA CN202210960919A CN115281762B CN 115281762 B CN115281762 B CN 115281762B CN 202210960919 A CN202210960919 A CN 202210960919A CN 115281762 B CN115281762 B CN 115281762B
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- 230000002792 vascular Effects 0.000 title claims abstract description 84
- 206010053649 Vascular rupture Diseases 0.000 title description 3
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 42
- 230000035515 penetration Effects 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 208000034693 Laceration Diseases 0.000 claims description 11
- 208000027418 Wounds and injury Diseases 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000012800 visualization Methods 0.000 claims 1
- 206010052428 Wound Diseases 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/0057—Implements 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0466—Suture bridges
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0482—Needle or suture guides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0483—Hand-held instruments for holding sutures
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
- A61B17/06—Needles ; Sutures; Needle-suture combinations; Holders or packages for needles or suture materials
- A61B17/06166—Sutures
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/0057—Implements 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
- A61B2017/00646—Type of implements
- A61B2017/00663—Type of implements the implement being a suture
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- Heart & Thoracic Surgery (AREA)
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Abstract
The application discloses a split suture structure, a vascular breach suture piece and a vascular suture device, wherein the split suture structure comprises suture pairs and a bridging connecting strip preset in a vascular breach, the suture pairs comprise a first penetrator and a second penetrator which are used for forming first penetration and second penetration of a blood vessel from outside, the split suture structure also comprises suture lines which are used for penetrating out the first penetration and the second penetration from the second penetration after the first penetration enters the blood vessel, one end of each suture line is a quick connector I connected with one end of the bridging connecting strip, the other end of the bridging connecting strip is a quick connector II connected with the second penetrator, the suture pairs are at least two sets, and the bridging connecting strips corresponding to different suture pairs are mutually overlapped in a crossing manner. The suture lines form suture line loops, and the different suture line loops form a cross inside the vascular breach. The vascular opening stitching member and the vascular stitching device are both in a split stitching structure, so that the vascular opening stitching member and the vascular stitching device can be suitable for large-caliber vascular openings, and one vascular stitching device can replace a plurality of stitching devices to realize the stitching function.
Description
Technical Field
The application relates to a split suture structure, a vascular breach suture piece and a vascular suture device, and belongs to the technical field of medical appliances.
Background
Aiming at the suturing of a vascular breach, the current common vascular suturing device is Proglide of the yaban company, the vascular suturing device principle is that a suture loop is formed on a vascular wound through a puncture needle with a thread and is knotted and fixed, and although the vascular breach can be sutured more effectively, as a single suture loop can only fix the breach at one position, more than 2 suturing devices are usually needed for the breach with larger size, repeated operation is carried out, and the operation process is complicated and difficult. In addition, the patent application of chinese publication No. CN101897606a discloses another blood vessel suturing device (Angioseal) commonly used in clinic, which clamps a wound from inside and outside a blood vessel to stop bleeding by using a small pad to form a sandwich structure, but the device can only be applied to an interventional operation of small blood vessel lacerations (below 8F), and has poor applicability to larger caliber blood vessel lacerations.
Disclosure of Invention
The application aims to solve the technical problem of one-time suturing of a larger caliber vascular breach, thereby reducing the operation difficulty.
In order to solve the technical problems, the technical scheme of the application provides a split suture structure, which comprises suture pairs and a bridge connecting strip preset in a vascular breach, wherein the suture pairs comprise a first penetrator and a second penetrator which are used for forming a first penetration and a second penetration of a blood vessel from outside respectively, and further comprise suture lines which are used for penetrating out from the second penetration and realizing retraction of the first penetration and the second penetration after entering the blood vessel from the first penetration, one end of each suture line is provided with a quick connector I used for connecting one end of the bridge connecting strip, the other end of each bridge connecting strip is provided with a quick connector II used for connecting the second penetrator, and at least two suture pairs are mutually crossed between the bridge connecting strips corresponding to different suture pairs.
The solid structure of the quick connector I is arranged on the bridging connecting strip or the stitching line, and the solid structure of the quick connector II is arranged on the bridging connecting strip or the second penetrator. The middle part of the bridge connecting strips on one side is arranged to bypass the bridge connecting strips on the other side in an angle mode, and further, the bridge connecting strips on one side are arranged to bypass the bridge connecting strips on the other side in an intersecting and overlapping mode.
Preferably, a pre-tie is provided behind the suture for threading the suture into the grip to form the suture into a loop. When the blood vessel puncture device is used, the first penetrator and the second penetrator are positioned at two sides outside the blood vessel puncture, the bridge connecting strip is positioned in the blood vessel puncture, the first penetrator forms a first penetration at one side of the puncture, the second penetrator forms a second penetration at the other side of the puncture, a suture thread passes through the first penetration to be connected with one end of the bridge connecting strip, the other end of the bridge connecting strip withdraws from the second penetration to pass through the pre-tying knot, the bridge connecting strip passes through the pre-tying knot to drive the suture thread to pass through the pre-tying knot to form a suture thread loop, and different suture thread loops form a cross inside the blood vessel puncture.
Preferably, two ends of each bridge connecting strip are provided with developing sections for positioning in blood vessels. When the operation is performed, the current position of the bridge connecting strip can be observed through the developing section, so that the suture state is observed currently, the operation difficulty is reduced, and the operation is convenient for operators.
The possible implementation structure of the split suture structure is that the first penetrator comprises a first guide pin, a pluggable first connector and a pull wire, wherein the pluggable first connector and the pull wire are arranged at the front end of the first guide pin, the second penetrator comprises a second guide pin and a pluggable second connector arranged at the front end of the second guide pin, two ends of a gap bridge connecting strip are arranged to be connected with the first connector or the plug connector of the second connector, the second connector is connected with a suture line, the first connector is connected with the pull wire, and a pre-tied knot at the rear of the suture line is sleeved on the pull wire. The first guide needle and the second guide needle penetrate through blood vessels and are inserted into insertion ports at two ends of the bridging connecting strip, the second guide needle is withdrawn outwards, the second connector drives the suture to drop from the second guide needle, the first guide needle is withdrawn outwards, the first connector drives the pull wire to drop from the first guide needle, the pull wire is withdrawn outwards, the pull wire drives the bridging connecting strip, and therefore the suture is driven to pass through the pre-tied knot to form a suture loop, and the two crossed bridging connecting strips enable the two suture loops to form a cross.
The preferable realization structure form of the split stitching structure is that 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 wire guide pin and a pluggable second joint arranged at the front end of the strip wire guide pin, two ends of a gap bridge connecting strip are provided with plug interfaces connected with the first joint or the second joint, the second joint is connected with a stitching line, and a pre-tying joint behind the stitching line is sleeved on the wireless guide pin. The wireless guide needle and the strip line guide needle penetrate through blood vessels and are inserted into the insertion ports at two ends of the bridging connecting strip, the strip line guide needle withdraws outwards, the second joint drives the suture line to drop off from the strip line guide needle, the wireless guide needle withdraws outwards, the wireless guide needle drives the bridging connecting strip, so that the suture line is driven to pass through the pre-tying joint to form a suture line loop, and the two crossed bridging connecting strips enable the two suture line loops to form a cross.
Based on the preferred realization structure of the split suture structure, the application further provides a vascular breach suture, the vascular breach suture further comprises a guide base which corresponds to the number of the suture pairs and is preset in the vascular breach, the guide base is connected with a guide post which extends out of the vascular breach, the first penetrator and the second penetrator of the suture pair are respectively arranged at two sides of the guide post, the first penetrator and the second penetrator are used for moving towards the guide base to penetrate a blood vessel, the guide base is provided with a guide groove for guiding the first penetrator and the second penetrator, and two ends of the bridge connecting strip can be detachably hung on the guide groove of the guide base.
The application also provides a vascular suture device, which comprises a catheter, the vascular breach suture piece and an operating handle which are sequentially connected, wherein a guide wire is arranged in the catheter in a penetrating way, the vascular breach suture piece further comprises a guide base groove for accommodating a guide base, the guide base is accommodated in the guide base groove, the operating handle comprises a guide needle pushing handle and a guide base releasing knob, the guide base releasing knob is connected with a control wire, the control wire is connected to the guide base to drive a bridging connecting strip to move to a proper position, and the rear ends of the wireless guide needle, the first guide needle and the strip guide needle, and the second guide needle are connected to the guide needle pushing handle.
Preferably, each guide base moves independently, each guide base is connected with an independently operated guide base release knob, and the guide needle pushing handles connected with the rear ends of the wireless guide needles and the strip guide needles in each sewing pair are independently operated guide needle pushing handles. Each suture pair can be independently operated, a plurality of suture loops can be formed in sequence, and the positions of the individual suture loops can be adjusted in the forming process, so that the suture pair is applicable to larger vascular lacerations.
Preferably, the guide receiving base groove is of a hollow frame structure, the guide receiving base is arranged in the guide receiving base groove, and the middle part of the guide receiving base is provided with a rotary shaft hinged guide receiving base groove. The volume is smaller when the receiving base is contained in the receiving base groove, so that the receiving base can conveniently extend into a blood vessel from the blood vessel breach, and the receiving base can be lifted upwards to be propped against the wall of the blood vessel breach after being released from the receiving base groove in a rotating way. Specifically, the control wire is wound on the release knob of the guide receiving base, two ends of the control wire are respectively connected to two sides of the rotating shaft of the guide receiving base, the release knob of the guide receiving base rotates forward to drive the guide receiving base to rotate for release, and the reverse rotation stores the guide receiving base back to the guide receiving base groove.
The application has the advantages that the application can be suitable for large-caliber vascular lacerations, can replace a plurality of vascular suture devices to realize the suture function, can realize the suture of different angles of suture lines by adjusting angles, increases the clinical selection of doctors, can adopt an independent suture control structure among different suture lines, increases the flexibility of suture operation, increases the suture range so as to be suitable for the suture of large-size vascular lacerations, and finally can realize crossed suture loops, cross-lock the vascular lacerations and improve the suture success rate of large wounds.
Drawings
FIG. 1 is a schematic view of a vascular stapler according to an embodiment;
FIG. 2 is a schematic view of a vascular access suture provided in an embodiment;
FIG. 3 is a schematic view showing the state of use of the vascular access suture provided in the embodiment;
FIG. 4 is a schematic illustration of the cross-over stacking of bridging links provided in an embodiment;
FIG. 5 is a schematic view of an operating handle of a vascular stapler provided in an embodiment;
Fig. 6 is a schematic view of a suture loop forming a crossover as provided in the examples.
Detailed Description
In order to make the application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
The embodiment provides a split-line suture structure for a vascular opening, which comprises at least two suture pairs arranged in parallel, a suture corresponding to each suture pair and a flexible bridging connecting strip corresponding to the suture pair number, wherein one suture pair forms a suture loop, the two suture pairs arranged in parallel form two suture loops, the suture pair comprises a first penetrator and a second penetrator arranged outside the opening, the bridging connecting strip is preset in the vascular opening, the first penetrator and the second penetrator are arranged at two sides outside the vascular opening, the first penetrator is used for forming a first penetration at one side of the opening, the second penetrator is used for forming a second penetration at the other side of the opening, the second penetrator is fed from the second penetration position to enable the suture to be connected to one end of the bridging connecting strip, a pre-tying knot is arranged at the rear of the suture, the first penetrator passes through the other end of the bridging connecting strip, the first penetrator withdraws from the first penetrator to the other end of the bridging connecting strip when the first penetrator is arranged outside the opening, the first penetrator passes through the first penetration position to enable the bridging connecting strip to form a pre-tying knot, the suture pair passes through the two suture loops to form at least two suture loops, and the two suture pairs are mutually crossed and form a suture loop, and at least two suture loops are formed to be mutually crossed and mutually corresponding to the two suture loops.
Specifically, the structural style of the mutually crossed and overlapped bridge connecting strips is that the middle part of the bridge connecting strip at one side is angled to bypass the middle part of the bridge connecting strip at the other side, and further, the bridge connecting strip at one side is wound when bypassing the bridge connecting strip at the other side, and the structural style of the finally formed crossed suture loop is determined by the mutually crossed and overlapped structural style of the bridge connecting strips.
Specifically, the two ends of the bridge connecting strip are provided with developing sections for positioning in blood vessels, so that an operator can observe the operation state better.
Specifically, in a possible implementation manner, as shown in fig. 3, two parallel suture pairs are provided, a first penetrator comprises a wireless guide needle 2-4 and a first connector arranged at the front end of the wireless guide needle 2-4, a second penetrator comprises a strip wire guide needle 2-5 and a pluggable second connector arranged at the front end of the strip wire guide needle 2-5, two bridge connecting strips 2-1 positioned in a vascular access are crossed, two ends of the bridge connecting strips 2-1 are provided with plug connectors for connecting the first connector or the second connector, the second connector is connected with a suture thread 2-6, a pre-tying knot behind the suture thread 2-6 is sleeved on the wireless guide needle 2-4 in the same row, the wireless guide needle 2-4 and the strip wire guide needle 2-5 penetrate through blood vessels and are plugged on plug connectors at two ends of the bridge connecting strips 2-1, the second connector drives the suture thread 2-6 to fall off from the strip wire guide needle 2-5, the wireless guide needle 2-4 is withdrawn outwards, and the two pre-tying knots behind the suture thread 2-6 drive the two suture threads 2-6 to penetrate through the bridge connecting strips 2-1 to form a loop, and the two suture threads are distributed in a cross-shaped loop as shown in fig. 2-6.
In addition, the first penetrator comprises a first guide needle, a first pluggable connector and a pull wire, wherein the first pluggable connector is arranged at the front end of the first guide needle, the second penetrator comprises a second guide needle and a second pluggable connector which is arranged at the front end of the second guide needle, two bridge connecting strips positioned in a vascular access are crossed, two ends of the bridge connecting strips are arranged to be connected with the first connector or the plug connector of the second connector, the second connector is connected with a suture, the first connector is connected with the pull wire, a pre-tied knot behind the suture is sleeved on the pull wire in the same row, the first guide needle and the second guide needle penetrate through a blood vessel and are plugged on the plug connectors at two ends of the bridge connecting strips, the second guide needle is outwards arranged to drive the suture to drop off from the second guide needle, the first guide needle is outwards arranged to drive the pull wire to drop from the first guide needle, the pull wire and the second pull wire to drive the bridge connecting strips to be connected with the suture to form a loop, and the two suture loops are formed by the two suture loops which are crossed and distributed.
The embodiment also provides a vascular access suture member 2 comprising a split suture structure, wherein the vascular access suture member 2 comprises a split suture structure and a plurality of guiding bases 2-3 which correspond to the suture number and are preset in a vascular access, the guiding bases 2-3 can be independently operated or can be fixed into a whole for unified operation, the guiding bases 2-3 are hinged with guide posts which extend out of the vascular access, a first penetrator and a second penetrator of the suture pair are respectively arranged at two sides of the guide posts, the first penetrator and the second penetrator are used for moving towards the guiding bases to penetrate the blood vessel, the guiding posts play a guiding role in the penetrating process, and the guiding bases 2-3 are provided with guiding grooves for guiding the first penetrator and the second penetrator; referring to fig. 2 and 3, two wireless guide pins 2-4 are positioned at one side of a guide post, two wire guide pins 2-5 are positioned at the other side of the guide post, two bridge connecting strips 2-1 of a split stitching structure are overlapped in a crossing manner and then are hung on a connecting groove of a connecting base 2-3 in a releasable connection manner, four connecting sockets of the two bridge connecting strips 2-1 face the wireless guide pins 2-4 or the wire guide pins 2-5 respectively, when the guide post is used, the guide post carries the connecting base 2-3 to be obliquely plugged in from a vascular opening, the guide post is rotated to lift and pull the connecting base 2-3 upwards to be attached to the inner wall of a blood vessel, at the moment, the wireless guide pins 2-4 and the wire guide pins 2-5 are positioned at two sides of the vascular opening, the connecting sockets at two ends of the bridge connecting strip 2-1 are also positioned at two sides of the vascular opening, the wireless guide needle 2-4 and the strip wire guide needle 2-5 are pushed downwards along the guide rod, the first joint of the wireless guide needle 2-4 and the second joint of the strip wire guide needle 2-5 are inserted into the connecting sockets at two ends of the bridging connecting strip 2-1 along the connecting guide groove, and the bridging connecting strip 2-1 is pushed to drop from the connecting guide base 2-3.
In the process of forming the crossed suture loop, the guiding base 2-3 and the guiding column have the functions of relatively limiting the position of the bridging connecting strip 2-1 and the direction of the inserting port, and assisting in realizing that the wireless guiding needle 2-4 and the strip guiding needle 2-5 penetrate through the vessel wall along the guiding column and are inserted into the inserting port.
The embodiment also provides a vascular stapler comprising a vascular breach suture member 2, as shown in fig. 1, specifically comprising a catheter 1, the vascular breach suture member 2, a calandria 3 and an operation handle 4 which are sequentially connected, wherein a wire guide hole is arranged in the catheter 1, a wire guide hole inlet is arranged at the front end, a wire guide hole outlet is arranged at the rear end, a guide wire penetrates through the wire guide hole, the guide catheter 1 stretches into a blood vessel through the vascular breach, the vascular breach suture member 2 is used for suturing the vascular breach, the calandria 3 provides a path for running, needle running or moving for the suture thread 2-6, the guide needle for suturing and each control thread, the operation handle 4 is provided with a plurality of operation structures for controlling and operating the guide needle, the suture thread 2-6, the connection base 2-3 and the like.
As shown in fig. 4 and5, the vascular access suture member 2 further comprises a guide base groove 2-2 for accommodating a guide base 2-3, wherein the guide base groove 2-2 is of a hollow frame structure, the guide base 2-3 is positioned in the guide base groove 2-2, and a rotary shaft is arranged in the middle of the guide base 2-3 and hinged with the guide base groove 2-2; the catheter 1 is sent into the blood vessel from the rupture place through a guide wire preset in the blood vessel at the beginning, the catheter 2-3 is accommodated in the groove 2-2 of the catheter base, until the catheter base 2-3 of the suture piece 2 of the vascular rupture is completely extended into the blood vessel, the two sides of the catheter base 2-3 are connected with control wires, the control wires are wound on the release knob 4-2 of the catheter base of the operating handle 4, the two ends of the control wires are respectively connected on the two sides of the middle rotating shaft of the catheter base 2-3, the forward rotating catheter base release knob 4-2 drives the catheter base 2-3 to rotate so as to release the catheter base 2-3 from the groove 2-2, the catheter base 2-3 is pulled upwards to be attached to the inner wall of the blood vessel until the catheter base 2-3 and the catheter needle 2-4 and the catheter needle 2-5 with the wire are positioned on the two sides of the vascular rupture, the catheter push handle 4-1 is connected with the rear ends of the catheter needle 2-4 with the catheter needle 2-5, the catheter push handle 4-1 is pushed downwards, the catheter needle 2-4 is pushed downwards, the catheter needle is pushed and the catheter needle 2-5 is penetrated through the wall 2-5, the catheter needle 2-5 is inserted into the catheter bridge 2-5, a loop is formed after the catheter 2-5 is inserted into the catheter bridge 2-5, reverse rotation of the guiding base release knob 4-2 allows the guiding base 2-3 to be received in the guiding base groove 2-2, and then the vascular access suture member 2 and the catheter 1 are withdrawn from the vascular access, and then the suture thread 2-6 is tensioned and the access is locked, so that vascular suturing is realized. Two groups of sutures can be simultaneously sent into the blood vessel by pushing the guide needle push handle 4-1 once, the two groups of sutures form a cross in the blood vessel, and after all guide needles are withdrawn, two crossed suture loops realize cross suturing on the vascular breach.
In some possible implementations, the two wireless guide pins 2-4 and the two wired guide pins 2-5 are connected with independent guide pin pushing handles 4-1, when in operation, one group of sutures can be firstly formed into a suture loop, then the position of the vascular access suture 2 at the vascular access is slightly adjusted, the other group of sutures can be formed into a suture loop, when in use for suturing relatively large vascular access, the penetrating position can be conveniently adjusted so that the crossed suture loops can be fixed for a longer distance, for example, when the aperture of the vascular access is 1.5-2 times the diameter of the vascular access suture 2, the vascular access suture 2 can be firstly inserted from one end close to a wound, then the guiding base 2-3 at the side is unfolded, the blood vessel is punctured by the corresponding guide pin to realize the suturing of the first group 2-6, then the device is moved to the other side of the wound, the operation is repeated, the other group of sutures is realized, and the two groups of sutures form a cross inside the blood vessel from two sides and close the vascular access. By widening the positions of the two groups of suture loops on the blood vessel, the suture of the vascular lacerations with larger size is realized.
In summary, the vascular suture device provided by the embodiment can be suitable for large-caliber vascular lacerations, can replace the functions of a plurality of suture devices by one vascular suture device, can realize the suturing of different angles of a suture line by adjusting the angle, increases the clinical selection of doctors, can adopt an independent suturing control structure among different suture lines, increases the flexibility of suturing operation, increases the suturing range so as to be suitable for suturing large-size vascular lacerations, and finally can realize crossed suturing loops, cross-lock the vascular lacerations and improve the suturing success rate of large wounds.
Claims (11)
1. The split suture structure is characterized by comprising suture pairs and bridge connecting strips (2-1) preset in vascular lacerations, wherein the suture pairs comprise a first penetrator and a second penetrator which are used for forming a first penetration and a second penetration of blood vessels from outside respectively, and further comprise suture lines (2-6) which are used for penetrating out of the second penetration and realizing retraction of the first penetration and the second penetration after entering the blood vessels from the first penetration, one end of each suture line (2-6) is provided with a quick connector I used for connecting one end of each bridge connecting strip (2-1), the other end of each bridge connecting strip (2-1) is provided with a quick connector II used for connecting the second penetrator, and at least two suture pairs are mutually overlapped;
The back of the suture line (2-6) is provided with a pre-tying knot for the suture line (2-6) to penetrate and grip so as to form a ring shape of the suture line (2-6);
When the blood vessel puncture device is used, the first penetrator and the second penetrator are positioned at two sides outside the blood vessel puncture, the bridge connecting strip is positioned in the blood vessel puncture, the first penetrator forms a first penetration at one side of the puncture, the second penetrator forms a second penetration at the other side of the puncture, a suture thread passes through the first penetration to be connected with one end of the bridge connecting strip, the other end of the bridge connecting strip withdraws from the second penetration to pass through the pre-tying knot, the bridge connecting strip passes through the pre-tying knot to drive the suture thread to pass through the pre-tying knot to form a suture thread loop, and different suture thread loops form a cross inside the blood vessel puncture.
2. The split-row stitching structure as claimed in claim 1, wherein the cross-over stacking of the bridging strips (2-1) is configured such that the middle of one bridging strip (2-1) is angled around the middle of the other bridging strip (2-1).
3. The split-seam structure according to claim 2, wherein the bridging strips (2-1) are arranged in a mutually crossing and overlapping manner, wherein the bridging strips (2-1) on one side are wound while bypassing the bridging strips (2-1) on the other side.
4. The split-line suturing structure according to claim 1, wherein the two ends of each bridging strip (2-1) are provided with visualization sections for positioning within the blood vessel.
5. The split-row suture structure according to claim 1, wherein the first penetrator comprises a first guide needle, a pluggable first connector and a pull wire, wherein the pluggable first connector and the pull wire are arranged at the front end of the first guide needle, the second penetrator comprises a second guide needle and a pluggable second connector which is arranged at the front end of the second guide needle, two ends of the gap bridge connecting strip (2-1) are provided with insertion interfaces for connecting the first connector or the second connector, the second connector is connected with a suture (2-6), the first connector is connected with the pull wire, and a pre-tying knot behind the suture (2-6) is sleeved on the pull wire.
6. The split-row 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 wire guide pin (2-5) and a pluggable second connector arranged at the front end of the strip wire guide pin (2-5), two ends of a gap bridge connecting strip (2-1) are arranged to be connected with the first connector or the second connector, the second connector is connected with a suture (2-6), and a pre-tying knot behind the suture (2-6) is sleeved on the wireless guide pin (2-4).
7. The vascular access suture member is characterized by comprising the split suture structure and an access base (2-3) which corresponds to the number of suture pairs and is preset in a vascular access, wherein the access base (2-3) is connected with a guide column which extends out of the vascular access, a first penetrator and a second penetrator of the suture pair are respectively arranged at two sides of the guide column, the first penetrator and the second penetrator are used for moving towards the access base (2-3) to penetrate a blood vessel, the access base (2-3) is provided with an access slot for accessing the first penetrator and the second penetrator, and two ends of the bridge connection strip are detachably hung on the access slot of the access base.
8. A vascular suturing device is characterized by comprising a catheter (1), a vascular access suturing member (2) and an operating handle (4) which are sequentially connected, wherein a guide wire is used for penetrating the catheter (1), the vascular access suturing member (2) further comprises a guide base groove (2-2) for accommodating a guide base (2-3), the operating handle (4) comprises a guide needle pushing handle (4-1) and a guide base releasing knob (4-2), the guide base releasing knob (4-2) is connected with a control wire, the control wire is connected to the guide base (2-3) to drive a bridge connecting strip to move to a proper position, and the rear ends of the wireless guide needle (2-4) \a first guide needle and a wire guide needle (2-5) \a second guide needle are connected to the guide needle pushing handle (4-1).
9. The vascular stapler according to claim 8, wherein the respective guide bases are independently movable with each other, each guide base is connected to an independently operated guide base release knob, and the wireless guide needle (2-4) and the guide needle push handle (4-1) connected to the rear end of the wired guide needle (2-5) in the respective pair of suturing are independently operated guide needle push handles.
10. The vascular stapler according to claim 8, wherein the guiding base groove (2-2) is provided with a hollow frame structure, the guiding base (2-3) is arranged in the guiding base groove (2-2), and a rotating shaft is arranged in the middle of the guiding base (2-3) to be hinged with the guiding base groove (2-2).
11. The vascular stapler according to claim 10, wherein the control wire is wound around the guide base release knob (4-2), and both ends of the control wire are respectively connected to both sides of the central rotation shaft of the guide base (2-3).
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| CN202210960919.XA CN115281762B (en) | 2022-08-11 | 2022-08-11 | A split suture structure, a vascular rupture suture piece, and a vascular suture device |
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| CN202210960919.XA CN115281762B (en) | 2022-08-11 | 2022-08-11 | A split suture structure, a vascular rupture suture piece, and a vascular suture device |
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| CN115281762B true CN115281762B (en) | 2025-02-21 |
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| 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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| CN111493953B (en) * | 2020-04-24 | 2024-08-16 | 杭州医蜂转化智能科技有限公司 | Tissue stitching instrument |
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| 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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