CN118058790B - Delivery device, vascular sealing hemostat and vascular sealing hemostasis system - Google Patents
Delivery device, vascular sealing hemostat and vascular sealing hemostasis system Download PDFInfo
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- CN118058790B CN118058790B CN202410458726.3A CN202410458726A CN118058790B CN 118058790 B CN118058790 B CN 118058790B CN 202410458726 A CN202410458726 A CN 202410458726A CN 118058790 B CN118058790 B CN 118058790B
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- 238000007789 sealing Methods 0.000 title claims abstract description 128
- 230000002792 vascular Effects 0.000 title claims abstract description 111
- 239000002874 hemostatic agent Substances 0.000 title claims abstract description 40
- 230000023597 hemostasis Effects 0.000 title claims abstract description 27
- 229920001436 collagen Polymers 0.000 claims abstract description 38
- 102000008186 Collagen Human genes 0.000 claims abstract description 37
- 108010035532 Collagen Proteins 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 69
- 230000017531 blood circulation Effects 0.000 claims description 57
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- 230000002439 hemostatic effect Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 239000008280 blood Substances 0.000 claims description 5
- 210000004369 blood Anatomy 0.000 claims description 3
- 230000036770 blood supply Effects 0.000 claims description 3
- 206010053648 Vascular occlusion Diseases 0.000 claims 1
- 208000021331 vascular occlusion disease Diseases 0.000 claims 1
- 206010052428 Wound Diseases 0.000 abstract description 50
- 208000027418 Wounds and injury Diseases 0.000 abstract description 50
- 125000006850 spacer group Chemical group 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000003550 marker Substances 0.000 description 12
- 230000000916 dilatatory effect Effects 0.000 description 9
- 230000000740 bleeding effect Effects 0.000 description 7
- 230000010339 dilation Effects 0.000 description 4
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Abstract
The embodiment of the invention provides a conveying device, a vascular sealing hemostat and a vascular sealing hemostasis system, and relates to the field of medical appliances. Aims to solve the problems of inconvenient operation of vascular sealing and hemostasis and large difficulty in sealing and blocking of vascular wounds. The wire guide tube, the gasket pushing tube, the conveying inner tube and the conveying outer tube are sleeved in sequence from inside to outside, and the conveying outer tube is movably arranged in the handle; the proximal end of the inner conveying pipe is fixed with the handle; the distal end of the inner conveying pipe is used for extending out relative to the distal end of the outer conveying pipe so as to release the sealing gasket; the distal end of the spacer pushing tube is adapted to extend relative to the distal end of the delivery tube with movement of the handle away from the vascular wound to withdraw the locking spacer and collagen. The vascular sealing hemostat and the vascular sealing hemostasis system comprise the conveying device. The multi-cavity device is characterized in that the whole process only needs to convey the outer tube to move, then the whole handle is moved away from the vascular wound, and then wound sealing can be completed, so that the operation is simple, quick and convenient.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a conveying device, a vascular sealing hemostat and a vascular sealing hemostasis system.
Background
During surgery, trauma or disease, the blood vessel may be damaged, resulting in bleeding. To control bleeding, a hemostatic procedure is required. The current common hemostasis methods comprise compression hemostasis, ligation hemostasis, electrocoagulation hemostasis and the like. These methods have advantages and disadvantages, such as simple and easy compression hemostasis, but require continuous application of pressure; the ligation hemostasis is reliable, but the operation is complicated, and the surrounding tissues are easy to damage.
In order to solve the above problems, a vascular sealing technique has been developed. The technology seals the broken ends of the blood vessels by using sealing materials or devices, thereby achieving the purpose of hemostasis. Common vascular sealing materials include absorbable materials and non-absorbable materials such as collagen, polymers, and the like. To simplify the procedure and enhance the hemostatic effect, researchers have developed a variety of vascular sealing hemostatic devices. These devices typically include a clip, splint, spring ring, or the like, which tightly closes the vessel's open end by applying a clamping force or spring force, or the like. However, the existing vascular sealing hemostatic device is complex in operation, high in technical requirement and capable of affecting the operation efficiency.
Disclosure of Invention
The invention aims to provide a conveying device, a vascular sealing hemostat and a vascular sealing hemostasis system, which can solve the problems that the vascular sealing hemostasis operation is inconvenient and the plugging difficulty of a large vascular wound is large.
Embodiments of the invention may be implemented as follows:
The embodiment of the invention provides a conveying device, which comprises a handle, an outer conveying pipe, an inner conveying pipe, a gasket pushing pipe and a wire guide pipe, wherein the outer conveying pipe is movably arranged in the handle along the direction from the distal end to the proximal end of the handle; the conveying inner tube penetrates through the conveying outer tube, and the proximal end of the conveying inner tube is fixed with the handle; a space for placing a sealing gasket is formed between the distal end of the inner conveying pipe and the distal end of the outer conveying pipe, and the distal end of the inner conveying pipe is used for extending out relative to the distal end of the outer conveying pipe under the condition that the outer conveying pipe moves relative to the handle so as to release the sealing gasket; the gasket pushing tube is provided with a thread guide hole and a suture hole for passing a suture, and the suture hole is used for passing the suture for connecting the sealing gasket, the locking gasket and the collagen; the gasket pushing tube is movably penetrated in the inner conveying tube, the distal end of the gasket pushing tube is retracted relative to the distal end of the inner conveying tube and used for placing the locking gasket, and the distal end of the gasket pushing tube is used for extending relative to the distal end of the inner conveying tube under the condition that the handle moves away from a vascular wound so as to pull out the locking gasket and collagen; the guide wire tube movably penetrates through the guide wire hole, and the guide wire tube is used for penetrating through the guide wire.
In addition, the conveying device provided by the embodiment of the invention can also have the following additional technical characteristics:
Optionally, the conveying device comprises a transmission knob and a transmission bolt; the transmission knob is rotationally connected to the proximal end of the handle, the transmission bolt is movably arranged in the handle along the direction from the distal end to the proximal end of the handle, the transmission bolt is in threaded connection with the transmission knob, the proximal end of the conveying outer tube is fixed with the transmission bolt, and the transmission knob is used for driving the transmission bolt and the conveying outer tube to reciprocate along the direction from the distal end to the proximal end of the handle in the rotating process.
Optionally, the conveying device further comprises a knob feedback sheet and a transmission pipeline, wherein the knob feedback sheet is fixed in the handle and is provided with a feedback hole; the transmission pipeline is connected and fixed the conveying outer pipe and the transmission bolt, the transmission pipeline penetrates through the feedback hole, a feedback protrusion is arranged on the outer wall of the transmission pipeline and used for being clamped with the feedback hole in the process that the transmission pipeline moves along the direction from the far end to the near end relative to the handle, so that the knob feedback piece sounds.
Optionally, a knob limiting block is further fixed on the outer wall of the transmission pipeline, and the knob limiting block is close to the far end of the transmission pipeline relative to the feedback protrusion; the knob limiting block is used for being propped against the knob feedback sheet under the condition that the feedback protrusion is clamped through the feedback hole so as to prevent the transmission pipeline from moving.
Optionally, the handle further comprises a feedback housing, a feedback support tube and a feedback spring; the feedback shell is fixed in the handle, the feedback support tube is arranged in the feedback shell in a sliding way, the feedback support tube is used for connecting a suture, and the feedback support tube is used for having a movement trend of moving along the direction from the proximal end to the distal end of the handle under the condition that the handle moves away from a vascular wound so as to provide a acting force for pushing the gasket pushing tube; the feedback spring is connected between the feedback support tube and the feedback housing, the feedback spring being configured to cause the feedback support tube to have a movement tendency to move along the distal end to the proximal end of the handle.
Optionally, a display window is formed on the handle; the delivery device further includes a feedback display; the feedback display piece is fixed with the feedback support tube, the feedback display piece is provided with a plurality of display parts along the direction from the far end to the near end of the handle, and the display parts are used for being exposed from the display window in sequence under the condition that the handle moves away from a vascular wound.
Optionally, the delivery device further comprises a pull feedback tab; the pulling feedback piece is fixed at the front end of the handle, and is positioned at the far end of the feedback display piece, and the pulling feedback piece is used for propping against the feedback display piece so as to prevent the handle from moving away from the vascular wound.
The embodiment of the invention also provides a vascular sealing hemostat, which further comprises a clamping block, a suture and a conveying device; the proximal end of the suture is elastically connected with the handle, the clamping block is fixed on the suture, the gasket pushing tube is sleeved on the suture, the gasket pushing tube is located at the distal end of the clamping block, and the clamping block is used for pushing the distal end of the gasket pushing tube to extend out of the distal end of the inner conveying tube under the condition that the handle moves away from a vascular wound.
Optionally, the vascular sealing hemostat further comprises a sealing gasket, collagen and a locking gasket; the distal end of the suture thread sequentially passes through the locking gasket, the collagen and the sealing gasket, and then passes back through the sealing gasket and the collagen, and is movably connected to the suture thread between the collagen and the locking gasket; the sealing gasket is elliptical, and the cross section of the distal end of the sealing gasket is smaller than the cross section of the proximal end of the sealing gasket.
The embodiment of the invention also provides a vascular sealing hemostasis system, which comprises an introducer sheath, an expansion tube and a vascular sealing hemostasis device, wherein the proximal end of the introducer sheath is clamped with or separated from the distal end of the handle, and the introducer sheath is sleeved outside the conveying outer tube under the condition of being clamped with the handle; the distal end of the expansion tube is conical, and the expansion tube is used for penetrating the guide sheath tube so as to guide the distal end of the guide sheath tube into a vascular wound.
Optionally, the vascular sealing hemostasis system further comprises a blood flow marking tube, wherein the outer wall of the distal end of the blood flow marking tube is provided with scales and a blood flow inlet, the blood flow marking tube is used for penetrating a guide wire, the distal end of the blood flow marking tube is used for being inserted into a blood vessel under the guidance of the guide wire, so that blood flow in a blood vessel wound flows out of the proximal end of the blood flow marking tube through the blood flow inlet.
Optionally, the dilating tube is provided with a first lumen and a second lumen, the first lumen is used for passing through the guide wire, the distal end of the dilating tube is provided with a blood flow hole communicated with the second lumen, and the blood flow hole is used for flowing out blood in the blood supply tube wound.
The conveying device, the vascular sealing hemostat and the vascular sealing hemostasis system provided by the embodiment of the invention have the beneficial effects that:
the conveying device comprises a handle, a conveying outer tube, a conveying inner tube, a gasket pushing tube and a wire guide tube, wherein the conveying outer tube is movably arranged in the handle along the direction from the distal end to the proximal end of the handle; the conveying inner pipe penetrates through the conveying outer pipe, and the proximal end of the conveying inner pipe is fixed with the handle; a space for placing the sealing gasket is formed between the distal end of the conveying inner tube and the distal end of the conveying outer tube, and the distal end of the conveying inner tube is used for extending out relative to the distal end of the conveying outer tube under the condition that the conveying outer tube moves relative to the handle so as to release the sealing gasket; the gasket pushing tube is provided with a wire guide hole and a suture hole for penetrating a suture, the gasket pushing tube is movably penetrated in the inner conveying tube, the distal end of the gasket pushing tube is retracted relative to the distal end of the inner conveying tube for placing the locking gasket, and the distal end of the gasket pushing tube is extended relative to the distal end of the inner conveying tube under the condition that the handle moves away from a vascular wound so as to pull out the locking gasket and collagen; the guide wire tube movably penetrates through the guide wire hole, and the guide wire tube is used for penetrating through the guide wire. The design of multiple tube cavities of the wire guide tube, the gasket pushing tube, the conveying inner tube and the conveying outer tube is provided with the wire guide tube, so that the wire guide can be kept in the operation, and the operation safety is ensured; the multiple pipelines are nested and matched, so that the sealing device is convenient and quick to operate and is used for conveying and stopping bleeding on a vascular wound.
The vascular sealing hemostat and the vascular sealing hemostasis system comprise the conveying device, and can solve the problems that the vascular sealing hemostasis operation is inconvenient and the plugging difficulty of a large vascular wound is high.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the whole structure of a vascular sealing hemostat according to the present embodiment;
Fig. 2 is a schematic view of a first partial structure of a vascular sealing hemostat according to the present embodiment;
FIG. 3 is a schematic view of the first portion of FIG. 2;
FIG. 4 is a schematic view of the second portion of FIG. 2;
Fig. 5 is a schematic view of a second partial structure of the vascular sealing hemostat according to the present embodiment;
FIG. 6 is a cross-sectional view of K-K of FIG. 5;
FIG. 7 is a schematic view of a portion of the structure of FIG. 6;
FIG. 8 is a schematic view of a portion of the structure of FIG. 7;
fig. 9 is a schematic view of a third partial structure of the vascular sealing hemostat according to the present embodiment;
FIG. 10 is a schematic view of a portion of the structure of FIG. 9;
Fig. 11 is a schematic view of a fourth partial structure of the vascular sealing hemostat according to the present embodiment;
FIG. 12 is a schematic view of a portion of the structure of FIG. 11;
Fig. 13 is a schematic view showing a fifth partial structure of the vascular sealing hemostat according to the present embodiment;
Fig. 14 is a schematic view of a transmission pipeline of the vascular sealing hemostat provided in the present embodiment;
fig. 15 is a schematic structural view of a spacer pushing tube of the vascular sealing hemostat according to the present embodiment;
Fig. 16 is a schematic view of the structure of an introducer sheath of the vascular sealing hemostat according to the present embodiment;
fig. 17 is a schematic structural view of an expansion tube of the vascular sealing hemostat according to the present embodiment;
fig. 18 is a schematic view of the structure of a catheter sealing hemostat guiding sheath and a dilating tube provided in this embodiment;
fig. 19 is a schematic view of a blood flow marking tube of the blood vessel sealing hemostat according to the present embodiment.
Icon: 10-vascular sealing hemostat; 20-conveying device; 100-handle; 110-displaying a window; 120-delivering the outer tube; 130-conveying an inner tube; 140-a gasket pushing tube; 141-a guidewire hole; 142-suture holes; 150-a guidewire tube; 200-driving a knob; 210-a drive bolt; 300-knob feedback sheet; 301-a feedback hole; 320-transmission pipeline; 321-feedback bump; 330-a knob stopper; 400-a feedback housing; 410-feedback support tube; 420-a feedback spring; 430-a feedback display; 431—a display; 500-sealing the gasket; 510-collagen; 520-locking shims; 530-a fixture block; 540-suture; 600-guiding sheath tube; 700-dilating tube; 800-blood flow marker tube; 810-blood flow inlet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present invention and simplifying the description, and it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus it should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
The conveying device 20 provided in this embodiment is described in detail below with reference to fig. 1 to 19.
Referring to fig. 1,2,3, 4, 5, 6, 7, 8 and 15, an embodiment of the present invention provides a delivery device 20, including a handle 100, an outer delivery tube 120, an inner delivery tube 130, a spacer pushing tube 140 and a guidewire tube 150, wherein the outer delivery tube 120 is movably disposed in the handle 100 along a distal-to-proximal direction of the handle 100; the inner conveying pipe 130 is penetrated in the outer conveying pipe 120, and the proximal end of the inner conveying pipe 130 is fixed with the handle 100; the distal end of the inner delivery tube 130 is used for placing collagen 510, a space for placing the sealing gasket 500 is formed between the distal end of the inner delivery tube 130 and the distal end of the outer delivery tube 120, and the distal end of the inner delivery tube 130 is used for extending relative to the distal end of the outer delivery tube 120 under the condition that the outer delivery tube 120 moves relative to the handle 100 so as to release the sealing gasket 500; the spacer pushing tube 140 is provided with a guide wire hole 141 and a suture hole 142 for passing a suture 540, the suture hole 142 being for passing a suture connecting the sealing spacer 500, the locking spacer 520 and the collagen 510; the gasket pushing tube 140 is movably penetrated in the inner conveying tube 130, the distal end of the gasket pushing tube 140 is retracted relative to the distal end of the inner conveying tube 130 for placing the locking gasket 520, and the distal end of the gasket pushing tube 140 is used for extending relative to the distal end of the inner conveying tube 130 under the condition that the handle 100 moves away from the vascular wound so as to pull out the locking gasket 520 and the collagen 510; the guide wire tube 150 is movably threaded in the guide wire hole 141, and the guide wire tube 150 is used for threading the guide wire.
It should be noted that: those skilled in the art will appreciate that throughout this document, the front end of the vascular sealing hemostat 10 is adapted to extend into a vascular wound and deliver the sealing pad 500 into the vascular wound, and the rear end of the vascular sealing hemostat 10 is manipulated by the physician. Thus, relatively, the portion of each component near the front end of the vascular sealing hemostat 10 is referred to as the distal end of the component, and the portion of each component near the rear end of the vascular sealing hemostat 10 is referred to as the proximal end of the component. The front end of the vascular sealing hemostat 10 is the distal end of the vascular sealing hemostat 10, and the rear end of the vascular sealing hemostat 10 is the rear end of the vascular sealing hemostat 10.
The guide wire tube 150, the gasket pushing tube 140, the inner conveying tube 130 and the outer conveying tube 120 are sleeved in sequence from inside to outside, and the suture holes 142 of the gasket pushing tube 140 penetrate through the sutures 540. In an initial state, the collagen 510 is positioned within the distal end of the delivery inner tube 130, the sealing gasket 500 is positioned between the distal end of the delivery inner tube 130 and the distal end of the delivery outer tube 120, the locking gasket 520 is positioned at the distal end of the gasket push tube 140, and the sealing gasket 500, the collagen 510 and the locking gasket 520 are all connected to the suture 540.
In operation, the distal ends of the guide wire tube 150, the delivery inner tube 130 and the delivery outer tube 120 are inserted into a vascular wound under guidance, then the delivery outer tube 120 is operated to move toward the proximal end of the handle 100, the distal end of the delivery outer tube 120 extends toward the distal end of the delivery inner tube 130, the sealing gasket 500 is pushed out, then the handle 100 is pulled outwards in a direction away from the vascular wound, the sealing gasket 500 seals the inside of the vascular wound, the collagen 510 is pulled out to seal the outside of the vascular wound, the gasket push tube 140 extends toward the distal end of the delivery inner tube 130 and continues to move away from the vascular wound to the handle 100, the distal ends of the gasket push tube 140, the delivery inner tube 130 and the delivery outer tube 120 are pulled out of the skin, at this time, the guide wire tube 150 is pulled away, then the distal end of the gasket push tube 140 is manually pushed to continue to move toward the vascular wound until the locking gasket 520 is pushed to lock the collagen 510, then the guide wire is pulled out, and the suture 540 is cut off from the outside of the skin.
The whole process only needs to operate and convey after the outer tube 120 moves relative to the handle 100, then move the whole handle 100 outwards, can finish the release of the sealing gasket 500, the locking of the collagen 510 and the locking gasket 520, and the operation is simple, quick and convenient.
Referring to fig. 2,4, 5, 6, 7 and 8, in the present embodiment, the conveying device 20 includes a transmission knob 200 and a transmission bolt 210; the transmission knob 200 is rotatably connected to the proximal end of the handle 100, the transmission bolt 210 is movably disposed in the handle 100 along the direction from the distal end to the proximal end of the handle 100, the transmission bolt 210 is in threaded connection with the transmission knob 200, the proximal end of the delivery outer tube 120 is fixed to the transmission bolt 210, and the transmission knob 200 is used for driving the transmission bolt 210 and the delivery outer tube 120 to reciprocate along the direction from the distal end to the proximal end of the handle 100 during rotation.
When the transmission knob 200 is manually rotated, the transmission bolt 210 can reciprocate along the direction from the proximal end to the distal end of the handle 100, and in operation, the transmission knob 200 is rotated to drive the transmission bolt 210 to move towards the proximal end of the handle 100, the transmission bolt 210 synchronously drives the conveying outer tube 120 to move towards the proximal end of the handle 100, and after moving in place, the rotation of the transmission knob 200 is stopped. The delivery outer tube 120 is moved back proximally by rotation, and is simple in structure and operation.
Referring to fig. 2,4, 5, 6, 7 and 8, in the present embodiment, the conveying device 20 further includes a knob feedback sheet 300 and a transmission pipeline 320, the knob feedback sheet 300 is fixed in the handle 100, and the knob feedback sheet 300 is provided with a feedback hole 301; the transmission pipeline 320 is connected with the fixed conveying outer tube 120 and the transmission bolt 210, the transmission pipeline 320 passes through the feedback hole 301, the outer wall of the transmission pipeline 320 is provided with a feedback protrusion 321, and the feedback protrusion 321 is used for being clamped with the feedback hole 301 in the process that the transmission pipeline 320 moves along the distal end to proximal end direction relative to the handle 100, so that the knob feedback piece 300 can make a sound.
In the case of rotating the transmission knob 200, the transmission tube 320 and the delivery outer tube 120 move toward the proximal end of the handle 100 synchronously, the delivery inner tube 130 extends toward the distal end of the delivery outer tube 120 until the feedback protrusion 321 is engaged with the feedback hole 301, and the sound occurs, which indicates that the distal extension of the delivery inner tube 130 with respect to the delivery outer tube 120 is in place, and the sealing gasket 500 is released.
Referring to fig. 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14, in this embodiment, a knob stopper 330 is further fixed on the outer wall of the transmission tube 320, and the knob stopper 330 is close to the distal end of the transmission tube 320 relative to the feedback protrusion 321; the knob stopper 330 is used for abutting against the knob feedback sheet 300 in the condition that the feedback protrusion 321 is blocked by the feedback hole 301, so as to prevent the transmission pipeline 320 from moving.
The knob stopper 330 and the feedback protrusion 321 are arranged at intervals on the outer wall of the transmission pipeline 320, the knob stopper 330 is close to the distal end of the transmission pipeline 320, the knob stopper 330 butts against the knob feedback piece 300 under the condition that the feedback protrusion 321 passes through the feedback hole 301 towards the proximal end of the handle 100, the transmission pipeline 320 and the conveying outer pipe 120 cannot move continuously, and the conveying outer pipe 120 is prevented from moving beyond the limit.
The feedback protrusion 321 is in interference contact with the feedback hole 301, and extrudes to generate feedback sound, so that the knob stopper 330 limits the maximum rotation angle and the maximum movement distance, and has a unidirectional rotation protection structure. When the transmission knob 200 is rotated 180 °, the feedback hole 301 is located between the feedback protrusion 321 and the knob stopper 330, and limits the rotation of the transmission knob 200.
Referring to fig. 2, 4,5, 6, 7,8,9, 10, 11, 12 and 13, in this embodiment, the handle 100 further includes a feedback housing 400, a feedback support tube 410 and a feedback spring 420; the feedback housing 400 is fixed in the handle 100, the feedback support tube 410 is slidably arranged in the feedback housing 400, the feedback support tube 410 is used for connecting the suture 540, and the feedback support tube 410 is used for having a movement trend moving along the direction from the proximal end to the distal end of the handle 100 when the handle 100 moves away from the vascular wound so as to provide a force for pushing the gasket pushing tube 140; a feedback spring 420 is connected between the feedback support tube 410 and the feedback housing 400, the feedback spring 420 being configured to cause the feedback support tube 410 to have a tendency to move along the distal end to the proximal end of the handle 100.
One end of the suture 540 is positioned in the vascular wound, the other end of the suture 540 is fixed with the feedback support tube 410, under the condition that the handle 100 moves outside the vascular wound, the feedback support tube 410 moves towards the direction close to the vascular wound relative to the feedback housing 400 under the pulling of the suture 540, the feedback spring 420 is compressed, the more the whole handle 100 moves outside the vascular wound, the more the feedback support tube 410 moves towards the distal end, the more the feedback spring 420 is compressed, the power for pushing the gasket pushing tube 140 to move towards the distal end of the inner conveying tube 130 is provided in the process that the feedback support tube 410 moves towards the distal end of the inner conveying tube 130, and therefore, the distal end of the gasket pushing tube 140 is pushed out in the process that the whole handle 100 moves away from the vascular wound, and the distal end of the gasket pushing tube 140 is pushed out of the locking gasket 520.
Referring to fig. 4, 5, 6, 7, 8 and 9, in the present embodiment, the handle 100 is provided with a display window 110; the delivery device 20 also includes a feedback display 430; the feedback display 430 is fixed to the feedback support tube 410, and the feedback display 430 is provided with a plurality of display portions 431 in a direction from the distal end to the proximal end of the handle 100, and the plurality of display portions 431 are sequentially exposed from the display window 110 when the handle 100 is moved away from the vascular wound.
The feedback display member 430 is fixed to the feedback support tube 410, and the feedback support tube 410 drives the feedback display member 430 to move synchronously in the process of moving toward the distal end of the delivery inner tube 130, the moving distance is different, different display portions 431 on the feedback display member 430 can be exposed in the display window 110, and the amount of outward movement of the whole delivery device 20 can be known by observing the display portions 431 of the display window 110, so as to control the moving distance.
The plurality of display parts 431 are different in color, and capable of reflecting the pulling force by setting different colors, so that damage to blood vessels caused by overlarge pulling force is prevented; and setting the maximum tension, and if the maximum tension is reached in the sealing process, releasing the tension in a mode of increasing the wire length so as to ensure the safety of the operation.
Specifically, the feedback display 430 is provided with three colors of green, yellow and red, and when the feedback display 430 is red during operation, the pulling is stopped.
In this embodiment, the delivery device 20 further includes a pull feedback tab; the pull feedback tab is secured to the front end of the handle 100 and is located at the distal end of the feedback display 430, the pull feedback tab being adapted to bear against the feedback display 430 to inhibit movement of the handle 100 away from the vascular wound.
When the feedback support tube 410 moves distally to abut against the pull feedback tab, the feedback support tube 410 can no longer move distally, and the handle 100 can no longer move proximally, and the pull feedback tab abuts against the feedback display 430, which is the limit position of the outward movement of the handle 100, preventing the sealing gasket 500 from being pulled out of the vascular wound.
Referring to fig. 7, 8, 9, 10, 11, 12 and 13, embodiments of the present invention also provide a vascular sealing hemostat 10, the vascular sealing hemostat 10 further comprising a clip 530, a suture 540 and a delivery device 20; the proximal end of the suture 540 is elastically connected with the handle 100, the clamping block 530 is fixed on the suture 540, the gasket pushing tube 140 is sleeved on the suture 540, the gasket pushing tube 140 is positioned at the distal end of the clamping block 530, and the clamping block 530 is used for pushing the distal end of the gasket pushing tube 140 to extend out of the distal end of the conveying inner tube 130 under the condition that the handle 100 moves away from a vascular wound.
In the process of moving the feedback support tube 410 distally, the clamping block 530 moves distally, and the clamping block 530 pushes the gasket pushing tube 140 to move distally until the distal end of the gasket pushing tube 140 extends out from the distal end of the inner delivery tube 130, and the pushing continues to push the locking gasket 520 located at the distal end of the gasket pushing tube 140 until the locking collagen 510 is compressed.
Referring to fig. 1, 2, 3,4, 5 and 6, in the present embodiment, the vascular sealing hemostat further comprises a sealing gasket 500, a collagen 510 and a locking gasket 520; the distal end of the suture 540 is movably passed through the locking spacer 520, the collagen 510 and the sealing spacer 500 in sequence, and is movably connected to the suture 540 between the collagen 510 and the locking spacer 520 after being movably passed back through the sealing spacer 500 and the collagen 510; the sealing gasket 500 has an oval shape, and the cross-section of the distal end of the sealing gasket 500 is smaller than the cross-section of the proximal end of the sealing gasket 500.
The collagen 510 is blocked by the support of the sealing gasket 500, and the locking gasket is locked to achieve hemostasis of vascular wounds. The sealing gasket 500 and the suture 540 are made of degradable polymer materials, and the collagen 510 is made of degradable collagen 510 materials. The locking spacer may use a degradable metallic material. Such as magnesium alloys, iron-based degradable metals; also can adopt PLA, PGA, PLGA and other degradable high polymer materials. The sealing gasket 500, the collagen 510, the locking gasket and the suture 540 are made of degradable materials, so that no implantation is realized. The locking gasket of the sealing device can adopt a non-degradable scheme, so that a long-time developing effect is realized, and position guidance is provided for subsequent operations.
The sealing gasket 500 is elliptical, the front end is small, and the rear end is large, so that the resistance blood vessel sealing hemostat 10 can be reduced, the sealing gasket 500, the collagen 510 and the locking gasket 520 can be switched, the sealing of blood vessel wounds with different sizes can be realized, the planning can be performed before operation, and the customized sealing hemostasis can be realized.
Referring to fig. 13, 14, 15, 16, 17, 18 and 19, the embodiment of the present invention further provides a vascular sealing hemostasis system including an introducer sheath 600, an expansion tube 700 and a vascular sealing hemostat 10, wherein a proximal end of the introducer sheath 600 is clamped with or disconnected from a distal end of a handle 100, and the introducer sheath 600 is configured to be sleeved outside the delivery outer tube 120 in a condition of being clamped with the handle 100; the distal end of the dilation tube 700 is conically shaped, and the dilation tube 700 is adapted to be threaded within the introducer sheath 600 to introduce the distal end of the introducer sheath 600 into a vascular wound.
The dilating catheter 700 is engaged with the introducer sheath 600 to introduce the introducer sheath 600 into the vascular wound, then the dilating catheter 700 is disengaged from the introducer sheath 600, the delivery outer tube 120 of the delivery device 20 is inserted into the introducer sheath 600, the introducer sheath 600 is assembled with the distal end of the handle 100, and then the sealing pad 500 and the collagen 510 are operatively released.
The distal end of the expansion tube 700 is conical, and the expansion operation handle 100 is fixed at the distal end of the expansion tube 700, the expansion operation handle 100 is used for holding and facilitating operation, and the expansion operation handle 100 is used for being clamped with or separated from the guiding sheath 600. The expansion tube 700 is used for penetrating into the guiding sheath 600, the expansion operating handle 100 is clamped with the guiding sheath 600, the expansion tube 700 penetrates into a guide wire after being clamped into the guiding sheath 600, the expansion tube 700 is inserted into a blood vessel together with the guiding sheath 600 under the guidance of the guide wire, and then the expansion tube 700 is disconnected with the guiding sheath 600 and is separated from the guiding sheath 600; the sheathed guide wire tube 150, the delivery outer tube 120 and the delivery outer tube 120 are penetrated into the guide wire and extend into the guide sheath tube 600, and then the handle 100 is clamped with the guide sheath tube 600.
In this embodiment, the vascular sealing hemostatic system further comprises a blood flow marker tube 800, wherein the outer wall of the distal end of the blood flow marker tube 800 is provided with graduations and a blood flow inlet 810, the blood flow marker tube 800 is used for passing through a guide wire, and the distal end of the blood flow marker tube 800 is used for being inserted into a blood vessel under the guidance of the guide wire so that the blood flow in the vascular wound flows out from the proximal end of the blood flow marker tube 800 through the blood flow inlet 810.
The blood flow marker tube 800 is used to determine the distance of a vascular wound from the skin; the blood flow marker tube 800 is capable of passing through a guidewire, the distal outer wall of the blood flow marker tube 800 being provided with graduations and a blood flow inlet 810; the blood flow marking tube 800 is guided by a guide wire, the distal end of the blood flow marking tube 800 is inserted into a blood vessel, when the blood flow inlet 810 enters a blood vessel wound, blood flow in the blood vessel flows out of the proximal end of the blood flow marking tube 800 through the blood flow inlet 810, the blood flow inlet 810 moves out of the blood vessel wound, the proximal end of the blood flow marking tube 800 stops, the blood flow marking tube 800 is repeatedly moved along the guide wire direction, the junction between the proximal end of the blood flow marking tube 800 and non-bleeding is found, at this time, the blood flow inlet 810 corresponds to the blood vessel wound, the scale mark of the blood flow marking tube 800 corresponding to the skin surface is a marking position, the position can represent the distance between the blood vessel wound and the skin, and meanwhile, the marking position is used as a position for releasing the sealing component after the outer tube of the subsequent sheath tube is inserted into the blood vessel.
The scales of the blood flow marking tube 800 have a corresponding relationship with the scales of the sheath tube outer tube, and after marking positions on the blood flow marking tube 800 are marked, the sheath tube outer tube is inserted into a vascular wound, and the sheath tube outer tube and the skin surface synchronously correspond to the same scale positions, so that the sealing component can be released. The delivery device 20 is ensured to be released at the correct position within the vessel.
A marking operation handle 100 is fixed to the proximal end of the blood flow marking tube 800, and the marking operation handle 100 is used for holding and facilitating the operation.
In this embodiment, the dilating catheter 700 is provided with a first lumen for passing through the guidewire and a second lumen, and the distal end of the dilating catheter 700 is provided with a blood flow hole in communication with the second lumen for blood outflow from the blood supply wound. The operation of the blood flow marker tube 800 is accomplished using the dilation tube 700 and the components of the blood flow marker tube 800 may be omitted.
According to the vascular sealing hemostatic system provided in this embodiment, the working principle of the vascular sealing hemostatic system includes:
The blood flow marking tube 800 enters the blood vessel through the guide wire, the position of the blood vessel wound is determined according to the bleeding condition of the bleeding port of the blood vessel marking tube, the scale of the skin of the blood flow marking tube 800 is recorded, and the blood flow marking tube 800 is taken down. The dilating catheter 700 is inserted into the introducer sheath 600, the introducer sheath 600 is inserted along the guide wire until the scale at the skin of the introducer sheath 600 is consistent with the scale at the skin of the blood flow marking tube 800, and the dilating catheter 700 is withdrawn.
The delivery device 20 is inserted into the introducer sheath 600, and after hearing the audible feedback, the engagement is verified. After the transmission knob 200 of the conveying device 20 is rotated 180 degrees and the knob feedback sheet 300 is heard to feed back the sound, the marks on the conveying device 20 are aligned at this time, and the sealing gasket 500 is released.
When the delivery device 20 is pulled upwards and the collagen 510 and the locking gaskets are released from the delivery inner tube 130 and the delivery outer tube 120, and the feedback display piece 430 is red, the gasket pushing tube 140 is pushed downwards to tighten and compress the sealing device, so that the vascular wound is blocked and stopped, the suture 540 is cut off, and the delivery device 20 is taken out, so that the vascular sealing is completed.
The action sequence is as follows: the sealing gasket 500 seals the inner wall of the blood vessel, the collagen 510 is used for sealing the outer side of the blood vessel, the locking gasket is pre-tightened above, and the suture 540 connects the components into a whole, so that the effect of sealing the blood vessel is realized.
The conveying device 20 provided in this embodiment has at least the following advantages:
The design of multiple tube cavities of the wire guide tube 150, the gasket pushing tube 140, the conveying inner tube 130 and the conveying outer tube 120 is provided with the wire guide tube 150, so that the wire guide can be kept in the operation, and the operation safety is ensured; the multiple pipelines are nested and matched, so that the sealing device is convenient and quick to operate and is used for conveying and stopping bleeding on a vascular wound.
And a plurality of feedback structures of tension, color and sound are arranged, and the operation process is fed back to a doctor in a plurality of modes, so that the operation precision is ensured.
The dilation tube 700 may be passed through the second lumen, eliminating the blood flow marker tube 800; the instrument exchange is reduced, and the operation process is convenient.
The spacer pushing tube 140 is provided with a feedback display 430 and pulls the feedback sheet to clarify the pushing position in the operation.
The blood flow marking tube 800 and the guiding sheath tube 600 are marked with uniform scale positions, so that errors caused by instrument exchange are avoided, and the release position of the sealing device is ensured.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. A conveying apparatus, comprising:
a handle (100);
-a delivery outer tube (120), the delivery outer tube (120) being movably arranged within the handle (100) in a distal to proximal direction of the handle (100);
A delivery inner tube (130), the delivery inner tube (130) being threaded within the delivery outer tube (120), a proximal end of the delivery inner tube (130) being fixed to the handle (100); a space for placing a sealing gasket (500) is formed between the distal end of the inner conveying pipe (130) and the distal end of the outer conveying pipe (120) and is used for placing collagen (510) in the distal end of the inner conveying pipe (130), and the distal end of the inner conveying pipe (130) is used for extending out relative to the distal end of the outer conveying pipe (120) under the condition that the outer conveying pipe (120) moves relative to the handle (100) so as to release the sealing gasket (500);
A gasket push tube (140), the gasket push tube (140) being provided with a wire hole (141) and a suture hole (142) for passing a suture (540), the suture hole (142) being for passing a suture connecting the sealing gasket (500), the locking gasket (520) and the collagen (510); the pad pushing tube (140) is movably penetrated in the inner conveying tube (130), the distal end of the pad pushing tube (140) is retracted relative to the distal end of the inner conveying tube (130) for placing a locking pad (520), and the distal end of the pad pushing tube (140) is used for extending relative to the distal end of the inner conveying tube (130) under the condition that the handle (100) moves away from a vascular wound so as to pull out the locking pad (520) and collagen (510);
and a guide wire tube (150), wherein the guide wire tube (150) movably penetrates through the guide wire hole (141), and the guide wire tube (150) is used for penetrating through a guide wire.
2. The delivery device of claim 1, wherein:
The conveying device comprises a transmission knob (200) and a transmission bolt (210); the transmission knob (200) is rotationally connected to the proximal end of the handle (100), the transmission bolt (210) is movably arranged in the handle (100) along the direction from the distal end to the proximal end of the handle (100), the transmission bolt (210) is in threaded connection with the transmission knob (200), the proximal end of the conveying outer tube (120) is fixed with the transmission bolt (210), and the transmission knob (200) is used for driving the transmission bolt (210) and the conveying outer tube (120) to reciprocate along the direction from the distal end to the proximal end of the handle (100) in the rotation process.
3. A delivery device according to claim 2, wherein:
The conveying device further comprises a knob feedback sheet (300) and a transmission pipeline (320), wherein the knob feedback sheet (300) is fixed in the handle (100), and a feedback hole (301) is formed in the knob feedback sheet (300); the transmission pipeline (320) is connected and fixed the outer conveying pipe (120) and the transmission bolt (210), the transmission pipeline (320) passes through the feedback hole (301), the outer wall of the transmission pipeline (320) is provided with a feedback protrusion (321), and the feedback protrusion (321) is used for being clamped with the feedback hole (301) in the process that the transmission pipeline (320) moves along the direction from the far end to the near end relative to the handle (100), so that the knob feedback piece (300) sounds.
4.A delivery device according to claim 3, wherein:
A knob limiting block (330) is further fixed on the outer wall of the transmission pipeline (320), and the knob limiting block (330) is close to the far end of the transmission pipeline (320) relative to the feedback protrusion (321); the knob limiting block (330) is used for abutting against the knob feedback sheet (300) under the condition that the feedback protrusion (321) is clamped through the feedback hole (301) so as to prevent the transmission pipeline (320) from moving.
5. The delivery device of claim 1, wherein:
The handle (100) further comprises a feedback housing (400), a feedback support tube (410) and a feedback spring (420); the feedback housing (400) is fixed in the handle (100), the feedback support tube (410) is arranged in the feedback housing (400) in a sliding manner, the feedback support tube (410) is used for being connected with a suture (540), and the feedback support tube (410) is used for having a movement trend moving along the direction from the proximal end to the distal end of the handle (100) under the condition that the handle (100) moves away from a vascular wound so as to provide a force for pushing the gasket pushing tube (140); the feedback spring (420) is connected between the feedback support tube (410) and the feedback housing (400), the feedback spring (420) being adapted to cause the feedback support tube (410) to have a movement tendency to move along the distal end to the proximal end of the handle (100).
6. The delivery device of claim 5, wherein:
The handle (100) is provided with a display window (110); the delivery device further comprises a feedback display (430); the feedback display piece (430) is fixed with the feedback support tube (410), the feedback display piece (430) is provided with a plurality of display parts (431) along the direction from the far end to the near end of the handle (100), and the display parts (431) are used for being exposed from the display window (110) in sequence under the condition that the handle (100) moves away from a vascular wound.
7. The delivery device of claim 6, wherein:
The delivery device further comprises a pull feedback tab; the pulling feedback piece is fixed at the front end of the handle (100), and is positioned at the far end of the feedback display piece (430), and the pulling feedback piece is used for propping against the feedback display piece (430) so as to prevent the handle (100) from moving away from a vascular wound.
8. A vascular sealing hemostat, characterized in that:
The vascular sealing hemostat further comprising a clip (530), a suture (540) and the delivery device of any one of claims 1-7; the proximal end of the suture (540) is elastically connected with the handle (100), the clamping block (530) is fixed on the suture (540), the gasket pushing tube (140) is sleeved on the suture (540), the gasket pushing tube (140) is located at the distal end of the clamping block (530), and the clamping block (530) is used for pushing the distal end of the gasket pushing tube (140) to extend out of the distal end of the conveying inner tube (130) under the condition that the handle (100) moves away from a vascular wound.
9. The vascular sealing hemostat of claim 8, wherein:
the vascular sealing hemostat further comprises a sealing gasket (500), collagen (510) and a locking gasket (520); the distal end of the suture (540) sequentially passes through the locking gasket (520), the collagen (510) and the sealing gasket (500) in a movable way, and then passes back through the sealing gasket (500) and the collagen (510) in a movable way and is then movably connected to the suture (540) between the collagen (510) and the locking gasket (520); the sealing gasket (500) is elliptical, and the cross section of the distal end of the sealing gasket (500) is smaller than the cross section of the proximal end of the sealing gasket (500).
10. A vascular occlusion hemostatic system, characterized by:
The vascular sealing hemostasis system comprises an introducer sheath (600), an expansion tube (700) and the vascular sealing hemostasis device according to claim 8 or 9, wherein the proximal end of the introducer sheath (600) is clamped with or separated from the distal end of the handle (100), and the introducer sheath (600) is used for being sleeved outside the outer conveying tube (120) under the condition of being clamped with the handle (100); the distal end of the expansion tube (700) is conical, and the expansion tube (700) is used for penetrating the guide sheath tube (600) so as to guide the distal end of the guide sheath tube (600) into a vascular wound.
11. The vascular sealing hemostatic system of claim 10, wherein:
The vascular sealing hemostasis system further comprises a blood flow marking tube (800), a scale and a blood flow inlet (810) are arranged on the outer wall of the distal end of the blood flow marking tube (800), the blood flow marking tube (800) is used for penetrating through a guide wire, the distal end of the blood flow marking tube (800) is used for being inserted into a blood vessel under the guidance of the guide wire, and blood flow in a vascular wound flows out of the proximal end of the blood flow marking tube (800) through the blood flow inlet (810).
12. The vascular sealing hemostatic system of claim 10, wherein:
The expansion tube (700) is provided with a first cavity and a second cavity, the first cavity is used for penetrating through a guide wire, the distal end of the expansion tube (700) is provided with a blood flow hole communicated with the second cavity, and the blood flow hole is used for flowing out blood in a blood supply tube wound.
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| CN115517725A (en) * | 2022-11-25 | 2022-12-27 | 苏州美创医疗科技有限公司 | Vascular wound sealing device and method |
| CN115568898A (en) * | 2022-08-08 | 2023-01-06 | 苏州心锐医疗科技有限公司 | Blood vessel closer |
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| AU2002326451B2 (en) * | 2001-07-26 | 2008-04-17 | Cook Biotech Incorporated | Vessel closure member and delivery apparatus |
| CN206080629U (en) * | 2016-06-08 | 2017-04-12 | 深圳市科奕顿生物医疗科技有限公司 | Intervene medical instrument conveying system |
| US20230346385A1 (en) * | 2020-07-09 | 2023-11-02 | Amsel Medicsl Corporation | Apparatus and method for temporary occlusion of blood vessels |
| CN117694940A (en) * | 2022-09-06 | 2024-03-15 | 深圳市先健纬康科技有限公司 | Vascular closure device and vascular closure system |
| CN117643486A (en) * | 2023-12-04 | 2024-03-05 | 上海恩盛医疗科技有限公司 | Vascular closer conveying system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115568898A (en) * | 2022-08-08 | 2023-01-06 | 苏州心锐医疗科技有限公司 | Blood vessel closer |
| CN115517725A (en) * | 2022-11-25 | 2022-12-27 | 苏州美创医疗科技有限公司 | Vascular wound sealing device and method |
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