CN115317057A - Blood vessel closure glue conveying device - Google Patents

Abstract

The invention discloses a blood vessel closure glue conveying device which comprises a handle assembly, a syringe, a light source assembly, a glue injection assembly and a conveying assembly, wherein the syringe is detachably connected to the handle assembly, and the handle assembly is configured to controllably push out a blood vessel closure substance in the syringe; the outlet of syringe is connected to the injecting glue subassembly, the one end of injecting glue subassembly is connected the conveyor components, the light source subassembly sets up the syringe one side of export, the linear part of light source subassembly along the inside of injecting glue subassembly and along stretch to the end of conveyor components to conveyor components's end forms the luminous point. The invention can enable an operator to visually observe the position of the tail end of the catheter without external equipment, thereby improving the convenience of operation.

Description

Blood vessel closure glue conveying device

Technical Field

The invention relates to the field of medical equipment, in particular to a blood vessel closing glue conveying device.

Background

Varicose vein is a clinical symptom, the venous system relates to all tissues and organs of the whole body, the upper limb varicose vein can appear when the upper limb venous return is blocked, the abdominal wall varicose vein can be caused by ascites due to cirrhosis, the hemorrhoid is actually extravasated blood varicose of external hemorrhoid venous plexus, the clinical symptoms relate to different specialties, and the treatment modes are different. Varicose vein of lower limb is a common disease in vascular surgery, and because the varicose vein is painless and not itchy at the early stage of lesion and has no obvious symptoms, even if the varicose vein is just ugly, many patients are not aware of the varicose vein. However, with the progress of the disease, the earthworm is more and more strongly existed, which causes symptoms of leg soreness, leg sinking, leg swelling, itching, pain, cramp, even skin ulcer, rupture, bleeding and the like. In extreme cases, even thrombus can be formed in veins, fatal pulmonary embolism can be caused in severe cases, and the diseased part of the veins can be ruptured to cause massive hemorrhage, thus threatening the life safety of patients.

The varicose vein of the lower limb is typically shown by earthworm-like blood vessels or spider veins on the legs, the early symptoms of the varicose vein are tingling and cramping in the lower legs in the middle of the night, the leg is easy to feel tired and heavy, the earthworm-like blood vessels on the legs can protrude out of the skin and even form tumor-like expansion along with the increase of the symptoms, and the symptoms of skin itch, eczema dermatitis, pigmentation and even skin ulcer are also carried out, and the vascular surgical treatment is selected first.

Current treatments for varicose veins include: conservative treatment and surgical treatment, the conservative treatment includes: stretch sock therapy and vein active drug therapy; the surgical treatment comprises: high ligation and stripping of the great saphenous vein, laser treatment of the great saphenous vein, and radio-frequency closure of the great saphenous vein. There are also sclerotherapy between the two. The latest minimally invasive therapy for treating varicose vein operation by radio frequency ablation is to utilize the heat effect of a radio frequency catheter to rapidly fibrosis varicose veins so as to block a lumen and eliminate varicose veins. Compared with the traditional operation, the wound is smaller, almost no incision is generated, bleeding is less, minor side injury is caused, the operation is completed under local anesthesia, the operation can be immediately performed in a walking mode in the ground after the operation, and the day operation mode is adopted.

However, the above-mentioned surgical therapies, such as laser ablation, radio frequency ablation, thermal ablation techniques including microwave ablation, etc., require injection of swelling agents around veins for swelling anesthesia before surgery, and the swelling anesthesia performed along the treatment area within several days after surgery may cause bruising and pain. Both radiofrequency and laser ablation may cause side effects of burns or injuries to nerves surrounding the venous vessels, even rendering the procedure irreparable, while thermal ablation procedures require expensive heat generating devices in addition to expensive disposable consumables, such as radiofrequency, laser and microwave sources. Also, since the blood vessels are not externally tied after anesthetic removal of the tumescent agent, the closed veins have the potential to recur, and such thermal ablation, including foam sclerosant injection therapy, typically requires the patient to wear compression socks for a period of about 1 to about 4 weeks after surgery for adjunctive therapy. More importantly, the varicose veins are tortuous in the traffic veins, have short lengths ranging from about 2 cm to about 7 cm, so that the operation of the thermal ablation treatment is difficult, on one hand, because the head end of the laser or radio-frequency catheter is thick and hard; the inability to successfully access the transit vein, on the other hand, the positioning of laser or radio frequency catheters in the location of the transit branch and the injection of tumescent anesthetics, present significant technical difficulties, and although foam sclerotherapy is relatively non-invasive, it is known that foam sclerotherapy has a high recurrence rate and potential undesirable side effects. All of the above methods typically require the patient to wear compression socks for a period of about 1 to about 4 weeks after surgery.

Also, for those treatments involving placement of a catheter within a specific venous lumen, it is desirable that the position of the catheter within the vessel be intraoperatively displayed in real time, such as in balloon dilatation or stent implantation procedures, where the catheter is typically treated to be X-ray opaque so that the catheter is visible under DSA X-ray radiation, and where ultrasound is a common method used to visualize the device. Ultrasound works by emitting sound waves, analyzing the sound waves that are reflected and returned to the ultrasound sensing device. Despite the popularity of ultrasound visualization, ultrasound visualization provides insufficient resolution when placing a catheter intravenously for the treatment of venous reflux disease, and there is also a need for improved echogenic catheters and methods of use.

In recent years, a technology for injecting a closing substance to close a blood vessel has appeared, the technology uses a glue injection device to inject the closing substance into the blood vessel to be closed through a guide pipe, compared with the prior art, the technology has the advantages of small harm to a patient, simpler operation and better appearance after operation, but the technology still needs ultrasonic positioning and can not visually display the position of the guide pipe.

Therefore, those skilled in the art are dedicated to develop a blood vessel occlusion glue delivery device, which enables a doctor to visually observe the position of the catheter tip without the help of ultrasound when performing blood vessel occlusion, and meanwhile, can avoid the occlusion substance from being pushed out of the delivery device, and improve the service life of the delivery device and facilitate the operation.

Disclosure of Invention

To achieve the above objects, the present invention provides a blood vessel closing glue delivery device, comprising a handle assembly, a syringe, a light source assembly, a glue injection assembly and a delivery assembly, wherein the syringe is detachably connected to the handle assembly, and the handle assembly is configured to controllably push out a blood vessel closing substance in the syringe; the outlet of syringe is connected to the injecting glue subassembly, the one end of injecting glue subassembly is connected the conveyor components, the light source subassembly sets up the syringe one side of export, the linear part of light source subassembly along the inside of injecting glue subassembly and along stretch to the end of conveyor components to conveyor components's end forms the luminous point.

Further, the glue injection assembly comprises a first cavity and a second cavity, and the first cavity is communicated with the injector and used for conveying the vascular closure substance; the second cavity is used for accommodating the linear part of the light source assembly.

Further, the light source assembly comprises a housing, a power supply and a switch arranged in the housing; the glue injection assembly is arranged in the shell; the glue injection assembly forms a first joint on one side, close to the injector, of the shell, and forms a second joint on one side, close to the conveying assembly, of the shell.

Further, the light source assembly further comprises a laser module and an optical fiber connected with the laser module, and the optical fiber penetrates through the second cavity of the glue injection assembly and extends to the tail end of the conveying assembly.

Further, the light source assembly further comprises an LED lamp and a wire, the LED lamp is located at the tail end of the conveying assembly, one end of the wire is connected with the power supply and the switch, and the other end of the wire penetrates through the second cavity of the glue injection assembly and is connected to the LED lamp.

Further, the handle assembly includes a transverse portion, a vertical portion, and a trigger;

a clamping groove, a connecting section and a rack are sequentially arranged in the transverse part, the clamping groove is detachably connected with the shell of the injector, and the first end of the rack is detachably and fixedly connected with a push-pull rod of the injector; a second end of the rack, which is opposite to the first end, extends outside the transverse part, and an anti-skidding limiting device is arranged on the second end; the anti-skid limiting device is configured to prevent the rack from continuously moving after reaching a limit;

the rack is provided with a button, a boss, a spring, a driving tooth and a non-return block, the button comprises a pressing end and a connecting rod connected with the pressing end, the pressing end is positioned outside the transverse part, the connecting rod is inserted into the transverse part in a mode of being vertical to the transverse part, the spring is sleeved on the connecting rod, the boss is arranged between the spring and the pressing end, and the driving tooth is detachably meshed with the rack; the check block is arranged on the rack and is configured to fix the rack after the rack is moved forwards;

the button is configured to: pressing the pressing end to enable the cam to press downwards to drive the driving tooth and release the fixing of the driving tooth to the rack, and releasing the pressing end to enable the cam to reset under the action of the spring to enable the driving tooth to fix the rack;

one end of the trigger is connected with the driving tooth at the transverse part, and one side of the trigger is positioned in the longitudinal part;

a reset device is arranged in the longitudinal part and is configured to drive the trigger to reset.

Further, an opening/visual window is arranged on the transverse part, so that the connection part of the syringe and the transverse part is exposed at the opening/visual window.

Further, the draw-in groove is the slot-like structure of narrow shape under wide in the last width that has the tapering, perhaps the draw-in groove is the slot-like structure of aequilate, be provided with a plurality of archs on the relative inner wall of slot-like structure.

Further, the reset device is a spring piece arranged in the vertical part or a spring arranged in the vertical part.

Furthermore, the anti-skid limiting device comprises a groove arranged above the second end, a boss arranged below the second end, and stripes arranged on the boss; or

The anti-skid limiting device comprises a ring arranged at the second end; or

The anti-skid limiting device comprises a double-hook shape arranged at the second end and a boss arranged above/below the second end.

The invention has the following technical effects:

1. when the blood vessel closing glue conveying device is used, the tail end of the conveying assembly is provided with the light emitting point and the light source assembly, light rays emitted by the light emitting point can penetrate through the skin of a human body and can be directly observed by a doctor, so that the doctor can visually observe the position of the head end of the catheter without other ultrasonic equipment, the operation of the doctor is facilitated, and the convenience is improved;

2. by arranging the open structure (such as an opening or a visual window) at the joint of the injector and the handle assembly, a doctor can directly observe the connection condition of the injector and the handle, can timely find whether the push-pull rod of the injector is dislocated or not, and avoid that the closed substance in the injector is pushed out due to operation errors;

3. two positioning points are formed at the connecting position of the injector and the handle assembly, so that the connecting stability of the injector is improved;

4. through the limiting device at the tail end of the rack, when the rack moves to a limiting position, the rack cannot move forwards continuously, so that the damage caused by continuous movement due to misoperation after the substances in the injector are completely pushed out is avoided.

5. The anti-skid device is arranged at the tail end of the rack, so that friction force is increased when a doctor operates the rack, and the rack is conveniently pulled.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

Drawings

FIG. 1 is a schematic view of a blood vessel occlusive gel delivery device in accordance with a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a preferred embodiment of a light source module;

FIG. 3 is a schematic view of another preferred embodiment of a light source module;

FIG. 4 is a cross-sectional schematic view of the glue injection assembly;

FIG. 5 is a schematic structural view of the handle assembly;

FIG. 6 is a perspective view of FIG. 5;

FIG. 7 is an enlarged partial view of area A of FIG. 6, showing the structure of the button;

FIG. 8 is a schematic view of the handle assembly after attachment to a syringe;

FIG. 9 is a schematic view of a card slot of a preferred embodiment;

FIG. 10 is a schematic view of another preferred embodiment card slot;

FIG. 11 is a structural schematic view of a preferred embodiment rack;

FIG. 12 is a schematic structural view of another preferred embodiment rack;

FIG. 13 is a schematic view of a preferred embodiment of the anti-slip retainer device;

FIG. 14 is a schematic view of another preferred embodiment of the anti-slip retainer device;

FIG. 15 is a schematic view of another preferred embodiment of the anti-slip retainer device;

FIG. 16 is a schematic view of the structure of the opening;

FIG. 17 is a schematic view of a viewing window;

FIG. 18 is a schematic view of the structure of the resetting device

FIG. 19 is a schematic structural view of another embodiment of a reset device;

FIG. 20 is an exploded schematic view of the transport assembly;

FIG. 21 is an enlarged partial view of the dilator of FIG. 20;

FIG. 22 is an enlarged partial view of the long sheath of FIG. 20;

FIG. 23 is a schematic view of the connection of the light source assembly to the delivery assembly;

fig. 24 is a schematic structural view of the transport assembly.

Wherein 100-handle assembly, 101-transverse portion, 102-longitudinal portion, 110-clamping groove, 111-protrusion, 120-connecting section, 130-rack, 131-first end, 132-second end, 133-groove, 134-stripe, 135-ring, 136-double hook, 137-boss, 138-claw, 140-button, 141-pressing end, 142-connecting rod, 143-spring, 144-cam, 150-driving tooth, 160-non-return block, 170-reset device, 171-spring plate, 172-spring, 180-trigger, 190-opening, 191-visual window, 200-injector, 210-housing, 220-push-pull rod, 300-light source assembly, 310-housing, 320-power supply, 330-switch, 340-laser module, 341-optical fiber, 350-LED lamp, 351-lead wire, 400-glue injection assembly, 410-first cavity, 420-second cavity, 430-first joint, 440-second joint, 500-delivery assembly, 501-luer joint, 510-long sheath-511-dilator.

Detailed Description

The technical contents of the preferred embodiments of the present invention will be made clear and easily understood by referring to the drawings attached to the specification. The present invention may be embodied in many different forms of embodiments and the scope of the invention is not limited to the embodiments set forth herein.

In the drawings, elements that are structurally identical are represented by like reference numerals, and elements that are structurally or functionally similar in each instance are represented by like reference numerals. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components has been exaggerated in some places in the drawings where appropriate for clarity of illustration.

As shown in fig. 1, the present invention provides a blood vessel closing adhesive delivery device, which comprises a handle assembly 100, an injector 200, a light source assembly 300, an adhesive injection assembly 400 and a delivery assembly 500. The syringe 200 is removably coupled to the handle assembly 100, and manipulation of the handle assembly 100 controllably forces the closure material within the syringe 200. The outlet of the syringe 200 is connected to the glue injection assembly 400 by an interface. Light source subassembly 300 sets up the exit side at syringe 200, and injecting glue subassembly 400 is located light source subassembly 300, and the other end of injecting glue subassembly 400 passes through interface connection transport assembly 500. The linear member of the light source assembly 300 for conducting light or electric energy extends along the inside of the glue injection assembly 400 and forms a light emitting point at the end of the feeding assembly 500 (the end far from the injector 200). With the compound liner assembly 400, the closure material within the syringe 200, upon being compressed, passes through the compound liner assembly 400 and the delivery assembly 500 in sequence for delivery to the target site. When the blood vessel closing glue conveying device is used, a blood vessel needing to be closed is generally close to the surface of a human body, the conveying component 500 penetrates into the blood vessel, light emitted by the light emitting point at the tail end of the conveying component can directly penetrate through the surface of the human body and is observed by an operator, therefore, the operator can directly observe the position of the tail end of the conveying component 500, the tail end does not need to be positioned by the ultrasonic technology in the prior art, and the operation is simplified.

The glue injection assembly 400 includes two cavities therein, namely a first cavity 410 and a second cavity 420. The first chamber 410 is connected to the outlet of the syringe 200 by a tube, one end of which is extended, for delivering the occlusive gel. The second chamber 420 is connected to a linear member of the light source assembly 300 to form a light emitting point at the end of the feeding assembly 500. The cross-sections of the first and second cavities 410 and 420 may be arranged in a circle. In some embodiments, light source assembly 300 includes a housing 310, and a power source 320 and a switch 330 are disposed within housing 310. The power source 320 may be button cell batteries (e.g., button cell lithium fluorocarbon cell) or other cylindrical batteries. Meanwhile, the glue injection assembly 400 is also disposed in the housing 310, wherein one end of the glue injection assembly 400 extends to a side close to the injector 200 in the housing 310 to form a first connector 430, the first connector 430 is connected to an outlet of the injector 200, and the first connector 430 is only communicated with the first cavity 410; the other end of the glue injection assembly 400 extends outside the housing 210 to form a second joint 440 for connecting the conveying assembly 500. The first connector 430 and the second connector 440 may each employ a luer connector.

In some embodiments, the light source module 300 emits light using the laser module 340. The laser module 340 is installed in the housing 310, and the optical fiber 341 connected to the laser module 340 extends into the second cavity 420 of the glue injection assembly 400 and extends to the end of the transport assembly 500. The light generated by the laser module 340 is transmitted along the optical fiber 341 and irradiated out of the end of the conveying assembly 500, thereby forming a light emitting point. In some embodiments, an LED lamp 350 is disposed at the end of the conveying assembly 500, one end of a wire 351 is connected to the power source 320 and the switch 330, and the other end enters the second cavity 420 of the glue injection assembly 400 and extends to the LED lamp 350, and the LED lamp 350 can emit light by controlling the switch 330, so as to form a light emitting point. It should be understood that other techniques for forming light-emitting points at the end of the conveying assembly 500 can be used, and are not limited to the above two embodiments.

The handle assembly 100 is used to control the ejection of the closure gel within the syringe 200. The handle assembly 100 may be provided in the general shape of a gun, including a transverse portion 101 and a vertical portion 102. The transverse portion 101 is provided with a slot 110, a connecting segment 120 and a rack 130 in sequence. The slot 110 is located at the end of the transverse portion 101 connected to the injector 200, and the housing 210 of the injector 200 is snapped into the slot 110, with the push-pull rod 220 of the injector 200 located at the connecting segment 120 and one end of the push-pull rod 220 being detachably and fixedly connected to the first end 131 of the rack 130. When syringe 200 is attached to lateral portion 101, two anchor points are formed on lateral portion 101 for positioning syringe 200, thereby making syringe 200 more stable and free from shifting during handling. The first location point is the connection between the housing 210 of the injector 200 and the slot 110, and the second location point is the fixed connection between the push-pull rod 220 and the rack 130.

In some embodiments, the slot 110 is a tapered slot-like structure with a wide top and a narrow bottom, and the flange of the housing 210 of the syringe 200 is placed into the slot 110 to form a stable connection. In some embodiments, the slot 110 has a groove-like structure with an equal width, and a plurality of stripe-shaped protrusions 111 are disposed on two opposite inner walls of the slot, so that the housing 210 of the syringe 200 can be stably coupled in the slot 110 by the protrusions 111.

In some embodiments, the first end 131 of the rack 130 is configured as a groove that mates with the end of the push-pull rod 220 of the injector 200, thereby forming a stable connection with the push-pull rod 220. The shape of the groove includes, but is not limited to, circular. In some embodiments, the first end 131 of the rack 130 is configured as a recess with a plurality of jaws 138, i.e., the jaws 138 protrude from the sidewall of the recess toward the syringe 200, and the jaws 138 can grip the push-pull rod 220 to form a stable connection.

A first end 131 of rack 130 is coupled to push-pull rod 220 of injector 200, and a second end 132 opposite first end 131 extends along transverse portion 101 to the exterior of transverse portion 101. In operation, the operator generally pulls the rack 130 by pinching the second end 132 of the rack 130. To facilitate operation of the rack 130, a non-slip portion is provided at the second end 132 to increase frictional force of the contact. In prior art, the rack tail end does not have anti-skidding design, and operating personnel probably takes gloves to operate during the operation, and at this moment, if be stained with liquid on the gloves, can take off the hand when the pull rack. The invention is more convenient to operate by adding the anti-skid design. In addition, in the prior art, the tail end of the rack is not provided with a limiting device, and when the delivery device is continuously used after the vascular closing substances in the syringe are completely pushed out during operation, the syringe can be damaged. In order to limit the movement of rack 130 and thereby prevent damage to syringe 200 due to excessive handling, the present invention may further include a limiting device at second end 132, such that when rack 130 is moved to the limit, it will not move further forward, thereby protecting syringe 200. In some embodiments, a groove 133 matching with a finger is provided above the second end 132 of the rack 130, a boss is provided below, the boss can form a limit for the rack 130, and a stripe 134 is provided on the boss to increase friction force; in some embodiments, the second end 132 may be configured as a ring 135 passing through a finger, and the diameter of the ring 135 is greater than the width of the rack 130, so as to limit the rack 130, and meanwhile, the ring 135 facilitates an operator to pull the rack 130 to prevent sliding; in some embodiments, the second end 132 is provided with a double hook 136 at both sides, a boss 137 is arranged above or below the double hook 136, the boss 137 forms a limit position, and the double hook 136 forms a non-slip part for convenient operation.

In the prior art, the syringe is directly plugged into the handle assembly, and the specific situation of the joint of the syringe and the handle assembly cannot be directly observed. At this point, in some cases, it may cause the vascular occlusive material to be pushed out during the assembly of the syringe and handle after the fluid has been aspirated. In addition, the push-pull rod of the injector is always in a closed space and cannot be directly observed, and when the handle pushes the injector, the inside of the injector can be dislocated but cannot be immediately found by an operator. In the present invention, the connection between the syringe 200 and the handle assembly 100 is opened, so that the operator can directly observe the connection between the syringe 200 and the handle assembly 100 and the occurrence of misalignment between the push-pull rod 220 and the handle assembly 100. In some embodiments, an opening 190 is provided at the connection between the slot 110, the connecting section 120, and the rack 130 of the handle assembly 100 and the push-pull rod 220, through which opening 190 the connection between the syringe 200 and the handle assembly 100 can be directly observed. In some embodiments, a viewing window 191 is provided at the connection between the slot 110, the connecting section 120, and the rack 130 of the handle assembly 100 and the push-pull rod 220, i.e., a transparent material through which the interior can be viewed. It should be understood that other configurations that facilitate operator observation of the internal connections may be suitable for use in the present invention.

Also disposed within the transverse portion 101 are a button 140, a cam 144, a spring 143, and a drive tooth 150. The button 140 includes a pressing end 141 and a link 142 connected to the pressing end 141, wherein the pressing end 141 protrudes outside the lateral portion 101, the link 142 is inserted into the lateral portion 101 at a position perpendicular to the lateral portion 101, the spring 143 is fitted over the link 142, and the cam 144 is provided on the link 142 between the spring 143 and the pressing end 141. The drive teeth 150 are detachably engaged with the rack gear 130. Specifically, the engagement of the drive teeth 150 with the teeth on the rack 130 may be controlled by a combination of the button 140, cam 144, and spring 143. Releasing the drive teeth 150 from the rack 130 by pressing the button 140 so that the cam 144 depresses the drive teeth 150; when button 140 is released, cam 143 springs 143 back to its original position, and drive teeth 150 secure rack 130.

The handle assembly 100 further includes a trigger 180, a portion of the trigger 180 protruding outside the transverse portion 101 and the longitudinal portion 102, one end of the trigger 180 being connected to the drive tooth 150 in the transverse portion 101, one side of the trigger 180 being located in the longitudinal portion 102. Through operation trigger 180, that is, trigger 180 rotates towards longitudinal portion 102 to make drive tooth 150 move, because the meshing of drive tooth 150 and rack 130, drive rack 130 and move forward, thereby can realize the extrusion operation to syringe 200, extrusion of accurate control closure glue.

Handle assembly 100 further includes a backstop 160 and a reset device 170, the backstop 160 being disposed on the rack 130, and by the backstop 160 and the drive teeth 150, upon actuation of the trigger 180, the drive teeth 150 coact with the backstop 160 to advance the rack 130 by 2mm to 4mm and to secure the rack 130 after advancement is complete, thereby driving the heavy occlusive material of the syringe 200 into the blood vessel. The reset device 170 is capable of rebounding the depressed trigger 180 to the home position. In some embodiments, the reset device 170 is a spring plate 171 disposed in the vertical portion, one end of the spring plate 171 is connected in the housing 210 of the vertical portion, and the other end is connected to the trigger 180, and applies an elastic force to reset the trigger 180 after being deformed. In some embodiments, the return device 170 is a spring 172 disposed within the vertical section, specifically, with one end of the spring 172 abutting against an inner wall or stop of the vertical section and the other end abutting against the trigger 180. Upon depression of trigger 180, spring 172 is compressed, thereby exerting a spring force on trigger 180 that urges it to return.

The delivery assembly 500 is used to establish a pathway on a human body. In some embodiments, the delivery assembly 500 includes a long sheath 510 and a dilator 520, the long sheath 510 having a scale 511 on its surface to allow clear knowledge of the distance traveled during operation; the front section of the expander 520 is conical, so that the expander can better have a guiding function. Both the dilator 520 and the long sheath 510 have luer connectors 501.

In the present invention, the blood vessel-closing substance may be selected from blood vessel-closing gels containing cyanoacrylate as a component.

The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection determined by the claims.

Claims (10)

1. A blood vessel closure glue delivery device, comprising a handle assembly, a syringe, a light source assembly, a glue injection assembly, and a delivery assembly, wherein the syringe is detachably connected to the handle assembly, and the handle assembly is configured to controllably push a blood vessel closure substance out of the syringe; the outlet of syringe is connected to the injecting glue subassembly, the one end of injecting glue subassembly is connected the conveyor assembly, the light source subassembly sets up the syringe one side of export, the linear part of light source subassembly is along the inside of injecting glue subassembly and along stretching to the end of conveyor assembly, thereby the conveyor assembly the end forms luminous point.

2. The vascular occlusion gel delivery device of claim 1, wherein the gel injection assembly comprises a first cavity and a second cavity, the first cavity being in communication with the syringe for delivery of the vascular occlusion substance; the second cavity is used for accommodating the linear part of the light source assembly.

3. The vasoocclusive adhesive delivery device of claim 2, wherein the light source assembly comprises a housing, a power source and a switch disposed within the housing; the glue injection assembly is arranged in the shell; the glue injection assembly forms a first joint on one side, close to the injector, of the shell, and forms a second joint on one side, close to the conveying assembly, of the shell.

4. The blood vessel occlusive gel delivery device of claim 3, wherein the light source assembly further comprises a laser module and an optical fiber connected to the laser module, the optical fiber passing through the second cavity of the gel injection assembly and extending to the distal end of the delivery assembly.

5. The vasoocclusive adhesive delivery device of claim 3, wherein the light source assembly further comprises an LED light and a wire, the LED light is located at the distal end of the delivery assembly, one end of the wire is connected to the power source and the switch, and the other end of the wire passes through the second cavity of the gel injection assembly and is connected to the LED light.

6. The vasoocclusive adhesive delivery device of claim 1, wherein the handle assembly includes a transverse portion, a vertical portion, and a trigger;

a clamping groove, a connecting section and a rack are sequentially arranged in the transverse part, the clamping groove is detachably connected with the shell of the injector, and the first end of the rack is detachably and fixedly connected with a push-pull rod of the injector; a second end of the rack, which is opposite to the first end, extends outside the transverse part, and an anti-skidding limiting device is arranged on the second end; the anti-skid limiting device is configured to prevent the rack from continuing to move after reaching a limit;

the rack is provided with a button, a boss, a spring, a driving tooth and a check block, the button comprises a pressing end and a connecting rod connected with the pressing end, the pressing end is positioned outside the transverse part, the connecting rod is inserted into the transverse part in a mode of being vertical to the transverse part, the spring is sleeved on the connecting rod, the boss is arranged between the spring and the pressing end, and the driving tooth is detachably meshed with the rack; the check block is arranged on the rack and is configured to fix the rack after the rack is moved forwards;

the button is configured to: pressing the pressing end to enable the cam to press downwards to drive the driving tooth and release the fixing of the driving tooth to the rack, and releasing the pressing end to enable the cam to reset under the action of the spring to enable the driving tooth to fix the rack;

one end of the trigger is connected with the driving tooth at the transverse part, and one side of the trigger is positioned in the longitudinal part;

a reset device is arranged in the longitudinal part and is configured to drive the trigger to reset.

7. The vasoocclusive glue delivery device of claim 6, wherein an opening/visualization window is provided on the lateral portion such that the connection of the syringe to the lateral portion is exposed at the opening/visualization window.

8. The blood vessel occlusive glue delivery device of claim 6, wherein the slot is a tapered slot-like structure with a wide top and a narrow bottom, or an equal width slot-like structure, and a plurality of protrusions are arranged on opposite inner walls of the slot-like structure.

9. The blood vessel occlusive gel delivery device of claim 6, wherein the return means is a spring leaf disposed within the vertical portion or a spring disposed within the vertical portion.

10. The vasoocclusive glue delivery device of claim 6, wherein the non-slip stop comprises a groove disposed above the second end, a boss disposed below the second end, and a striation disposed on the boss; or

The anti-skid limiting device comprises a ring arranged at the second end; or

The anti-skid limiting device comprises a double-hook shape arranged at the second end and a boss arranged above/below the second end.

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