CN114073561A - Balloon for closing blood vessel - Google Patents
Balloon for closing blood vessel Download PDFInfo
- Publication number
- CN114073561A CN114073561A CN202210063747.6A CN202210063747A CN114073561A CN 114073561 A CN114073561 A CN 114073561A CN 202210063747 A CN202210063747 A CN 202210063747A CN 114073561 A CN114073561 A CN 114073561A
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- Prior art keywords
- balloon
- blood vessel
- cutting
- needle tube
- closing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12027—Type of occlusion
- A61B17/1204—Type of occlusion temporary occlusion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12099—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder
- A61B17/12109—Occluding by internal devices, e.g. balloons or releasable wires characterised by the location of the occluder in a blood vessel
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B17/12022—Occluding by internal devices, e.g. balloons or releasable wires
- A61B17/12131—Occluding by internal devices, e.g. balloons or releasable wires characterised by the type of occluding device
- A61B17/12136—Balloons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/12—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord
- A61B2017/12004—Surgical instruments, devices or methods, e.g. tourniquets for ligaturing or otherwise compressing tubular parts of the body, e.g. blood vessels, umbilical cord for haemostasis, for prevention of bleeding
Abstract
The invention discloses a balloon for closing a blood vessel, and relates to the technical field of medical instruments. The saccule for closing the blood vessel comprises a needle tube and a saccule, wherein one end of the needle tube is provided with an annular cutting edge, the side surface of the needle tube is provided with at least one opening, the opening is close to the annular cutting edge, and the needle tube can be inserted into the outer side of the blood vessel through the annular cutting edge and enables the opening to face the blood vessel; the balloon can be advanced into the needle and out through the aperture to abut the outer sidewall of the blood vessel, and the balloon can be inflated to compress the blood vessel until the blood vessel is closed. The saccule for closing the blood vessel does not need to be inserted into the blood vessel, the blood vessel can be extruded from the outside only through saccule expansion to close the blood vessel, the blood vessel cannot be damaged, the risk of blood vessel damage is avoided, and medical accidents such as heavy bleeding and the like can be prevented when the liver is cut; meanwhile, the annular cutting edge is arranged, so that the needle tube can be conveniently inserted into tissues, and the operation time is shortened.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a balloon for closing a blood vessel.
Background
In the liver segment resection operation of hepatobiliary surgery, the boundary of the liver segment needs to be accurately positioned, and an ideal method is to dye or reversely dye the target liver segment, but the current technical system has complex operation, high cost, long time consumption and difficult implementation for carrying out the super-selection intubation dyeing on the blood vessel of the liver segment. In the case of a great number of blood vessels in the liver, such as the portal vein, if the important portal vein blood vessels are cut off during the operation, the medical accident of massive hemorrhage and even death of the patient can be caused, so that doctors need to close the portal vein blood vessels first to prevent the blood vessels from bleeding when the liver is cut off, and then can inject a staining agent through the peripheral vein to reversely stain the target liver segment and provide an indication for the boundary and the outline of the cut tissue. At present, most of balloons for closing blood vessels in the prior art need to be inserted into the blood vessels to block and close the blood vessels, which can damage the blood vessels and increase the risk of blood vessel damage.
Disclosure of Invention
The invention aims to provide a balloon for closing a blood vessel, which can be used for closing the blood vessel by squeezing the blood vessel from the outside of the blood vessel through the balloon, does not damage the blood vessel, avoids the risk of damaging the blood vessel, and can prevent medical accidents such as heavy bleeding and the like when the liver is cut off.
In order to achieve the purpose, the invention adopts the following technical scheme:
a balloon for closing a blood vessel, comprising:
the needle tube is provided with an annular cutting edge at one end, at least one opening hole is formed in the side face of the needle tube and is close to the annular cutting edge, and the needle tube can be inserted into the outer side of a blood vessel through the annular cutting edge and enables the opening hole to face the blood vessel;
a balloon that is capable of entering the needle and exiting the aperture to abut the outer sidewall of the blood vessel, the balloon being expandable to compress the blood vessel until the blood vessel is closed.
Optionally, the balloon is connected with a balloon catheter, the balloon catheter is communicated with the inside of the balloon, and the balloon catheter can drive the balloon to extend into the needle tube.
Optionally, the balloon closing the vessel further comprises a filler that is accessible from the balloon catheter to the balloon and expands the balloon to compress the vessel.
Optionally, the filler is a photosensitive resin.
Optionally, the balloon for closing the blood vessel further comprises a light source part, wherein the light source part can extend into the needle tube and irradiate the joint of the balloon and the balloon catheter so as to cure the photosensitive resin at the joint.
Optionally, the light source is an optical fiber conduit, the optical fiber conduit is provided with an ultraviolet light emitting end, and the optical fiber conduit can extend into the needle tube so that ultraviolet light irradiates the connection;
and/or the balloon catheter is made of light-permeable materials.
Optionally, the balloon for closing a blood vessel further comprises a cutting member capable of extending into the needle tube and severing the balloon catheter and the balloon.
Optionally, the cutting member is a cutting needle, the cutting needle includes a cutting portion and a connecting rod, the cutting portion is provided with a cutting edge, the connecting rod can drive the cutting portion to extend into the needle tube so that the cutting edge can cut off the balloon catheter and the balloon.
Optionally, one end of the cutting part away from the connecting rod is provided as a tip, and the cutting edge is provided at a side of the cutting part connected with the connecting rod, and when the cutting needle is withdrawn from the needle tube, the cutting edge can cut off the balloon catheter and the balloon.
Optionally, the cutting edge is annular and is disposed coaxially with the cutting portion;
and/or the cross section of the cutting part is circular, and the outer diameter of the cutting part is smaller than the inner diameter of the needle tube by 0.05 mm;
and/or the cross section of the cutting part is circular, and the diameter of the connecting rod is 1/3 of the outer diameter of the cutting part.
The invention has the beneficial effects that: the balloon for closing the blood vessel comprises a needle tube, wherein one end of the needle tube is provided with an annular cutting edge, the side face of the needle tube is provided with at least one opening, the opening is close to the annular cutting edge, the needle tube can be inserted into the outer side of the blood vessel through the annular cutting edge and enables the opening to face the blood vessel, the balloon can enter the needle tube and penetrate out of the opening to be placed on the outer side of the blood vessel, and the balloon can be expanded to extrude the blood vessel until the blood vessel is closed. The saccule for closing the blood vessel does not need to be inserted into the blood vessel, the blood vessel can be extruded from the outside only through saccule expansion to close the blood vessel, the blood vessel cannot be damaged, the risk of blood vessel damage is avoided, and medical accidents such as heavy bleeding and the like can be prevented when the liver is cut; meanwhile, the annular cutting edge is arranged, so that the needle tube can be conveniently inserted into tissues, and the operation time is shortened.
Drawings
FIG. 1 is a schematic diagram of a balloon for closing a blood vessel and a structure of the blood vessel matching provided by an embodiment of the invention;
FIG. 2 is a schematic structural view of a needle tube of a balloon for closing a blood vessel provided by an embodiment of the present invention;
FIG. 3 is a schematic structural view of a cutting needle of a balloon for closing a blood vessel provided by an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a balloon for closing a blood vessel, which is filled with photosensitive resin according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a balloon catheter cut by a cutting member of a balloon for closing a blood vessel according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a balloon for closing a blood vessel to close the blood vessel provided by the embodiment of the invention.
In the figure:
1-balloon catheters; 11-a balloon; 111-a photosensitive resin; 2-a cutting member; 21-a cutting edge; 22-tip; 23-a connecting rod; 3-a fiber optic catheter; 31-an ultraviolet light emitting end; 4-blood vessels; 41-a vessel closure segment; 5-needle tube; 51-open pore.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-6, the balloon for closing a blood vessel comprises a needle tube 5 and a balloon 11, wherein one end of the needle tube 5 is provided with an annular cutting edge (not shown), the side surface of the needle tube 5 is provided with at least one opening 51, the opening is close to the annular cutting edge, and the needle tube 5 can be inserted into the outer side of the blood vessel 4 through the annular cutting edge with the opening 51 facing the blood vessel 4; the balloon 11 can be advanced into the needle tube 5 and out through the aperture 51 to abut the outer sidewall of the blood vessel 4, and the balloon 11 can be inflated to compress the blood vessel 4 until the blood vessel 4 is closed. It can be understood that the balloon for closing the blood vessel is not required to be inserted into the blood vessel 4, the blood vessel 4 can be extruded from the outside only by expanding the balloon 11 to close the blood vessel 4, the blood vessel 4 is not damaged, the risk of damaging the blood vessel 4 is avoided, and medical accidents such as heavy bleeding and the like during liver resection can be prevented; meanwhile, the annular cutting edge is arranged, so that the needle tube 5 can be conveniently inserted into tissues, and the operation time is shortened.
In this embodiment, blood vessel 4 is the portal vein blood vessel in the liver, and the annular blade forms for the edge of the circumferencial direction along needle tubing 5 at the one end of needle tubing 5 through mode processing such as cutting or grinding, can guarantee annular blade and needle tubing 5 integrated into one piece, has improved the intensity of annular blade to can improve the life of needle tubing 5. In other embodiments, the balloon for closing the blood vessel can also be used for other operations needing the blood vessel closing; the annular cutting edge can also be detachably connected with the needle tube 5, so that the replacement is convenient.
In this embodiment, the opening 51 is provided as one opening, and is provided at one end of the needle tube 5, and the distance from the annular cutting edge of the needle tube 5 is preferably 1mm to 20mm, and the inner diameter a of the needle tube 5 is preferably 1mm to 4 mm. In other embodiments, the number of the openings 51 and the position of the openings 51 can be adaptively increased according to different actual needs, and the diameter of the needle tube 5 can also be adjusted appropriately.
Optionally, the balloon 11 is connected with a balloon catheter 1, the balloon catheter 1 is communicated with the inside of the balloon 11, and the balloon catheter 1 can drive the balloon 11 to extend into the needle tube 5. It will be appreciated that since the opening 51 is provided at one end of the needle tube 5, and the end provided with the opening 51 needs to extend into the blood vessel 4, the balloon catheter 1 is required to bring the balloon 11 into the needle tube 5 and bring the balloon 11 to the opening 51. In this embodiment, for convenience of operation, the balloon catheter 1 has a length greater than that of the needle tube 5 so that the free end of the balloon catheter 1 is located outside the needle tube 5 when the balloon 11 is placed at the opening 51; and in order to facilitate the balloon catheter 1 to extend into the needle tube 5, the inner diameter of the needle tube 5 is set to be 0.1mm larger than the diameter of the balloon catheter 1. In other embodiments, the difference between the outer diameter of the balloon catheter 1 and the inner diameter of the needle tube 5 can be adjusted adaptively according to the needs of actual conditions.
Optionally, as shown in fig. 4, the balloon for closing the blood vessel further comprises a filler which can enter the balloon 11 from the balloon catheter 1 and inflate the balloon 11 to press the blood vessel 4. It will be appreciated that when the balloon 11 is placed at the opening 51, the diameter of the opening 51 is set larger than the uninflated diameter of the balloon 11 so that the balloon 11 can extend out of the needle tube 5 through the opening 51 and can be placed outside the blood vessel 4, and then the balloon 11 is filled with a filler through the free end of the balloon catheter 1 so that the balloon 11 is inflated to press the blood vessel 4 until the blood vessel 4 is closed.
Preferably, the filler is a photosensitive resin 111. The balloon for closing the blood vessel further comprises a light source part which can extend into the needle tube 5 and irradiate the joint of the balloon 11 and the balloon catheter 1 to cure the photosensitive resin 111 at the joint. It is understood that the photosensitive resin 111 is normally in a liquid state, and when light of a certain frequency is irradiated to the photosensitive liquid, the liquid is solidified. The light source piece extends into the needle tube 5 to irradiate the joint of the balloon 11 and the balloon catheter 1, the liquid surface of the uppermost layer of the liquid photosensitive resin 111 can be cured after being irradiated by the light source, the liquid in the balloon 11 can be blocked after the resin at the opening of the balloon 11 is cured, the balloon 11 keeps a spherical shape after being filled with the liquid, the liquid can not flow out, and the balloon 11 is shaped at the moment and can be used for sealing the blood vessel 4.
Specifically, as shown in fig. 1 and 4, the light source component is an optical fiber conduit 3, the optical fiber conduit 3 is provided with an ultraviolet light emitting end 31, and the optical fiber conduit 3 can extend into the needle tube 5 to irradiate the ultraviolet light on the connection. It can be understood that, after the balloon 11 is expanded to press the blood vessel 4 to close the blood vessel 4, the photosensitive resin 111 is stopped being filled into the balloon 11, the optical fiber catheter 3 is inserted into the needle tube 5, the ultraviolet light emitted by the ultraviolet light emitting end 31 irradiates the joint of the balloon 11 and the balloon catheter 1 to close the opening of the balloon 11, and then the optical fiber catheter 3 is taken out, so that the operation is simple and convenient. In this embodiment, the balloon catheter 1 is made of a light-permeable material, and may be a transparent or translucent material, so as to be capable of transmitting an ultraviolet light source; meanwhile, in order to facilitate insertion and removal of the optical fiber tube 3, the length of the optical fiber tube 3 is set to be greater than the length of the needle tube 5 so that when the optical fiber tube 3 is inserted into the needle tube 5, the end of the optical fiber tube 3 away from the ultraviolet light emitting end 31 is located outside the needle tube 5.
Alternatively, as shown in fig. 1 and 3, in order to separate the balloon 11 from the balloon catheter 1 after irradiation through the optical fiber catheter 3, the balloon for closing a blood vessel further includes a cutting member 2, and the cutting member 2 can extend into the needle tube 5 and cut off the balloon catheter 1 and the balloon 11. It is understood that after the optical fiber catheter 3 is taken out from the needle tube 5, the balloon 11 and the balloon catheter 1 are cut by the cutter 2, and then the cut balloon catheter 1 is taken out from the needle tube 5.
Specifically, as shown in fig. 3, the cutting member 2 is a cutting needle, the cutting needle includes a cutting portion and a connecting rod 23, the cutting portion is provided with a cutting edge 21, and the connecting rod 23 can drive the cutting portion to extend into the needle tube 5 so that the cutting edge 21 can cut off the balloon catheter 1 and the balloon 11. It can be understood that the connecting rod 23 is provided to facilitate driving the cutting portion to extend into the needle tube 5, and meanwhile, to ensure that the cutting member 2 is convenient to insert and take, the length of the connecting rod 23 is greater than that of the needle tube 5 so that when the cutting member 2 is inserted into the needle tube 5, one end of the connecting rod 23, which is far away from the cutting portion, is located outside the needle tube 5. When the balloon catheter 1 and the balloon 11 need to be cut, the connecting rod 23 is operated to enable the cutting blade 21 to cut off the balloon catheter 1 and the balloon 11, and the operation is simple and convenient.
Preferably, one end of the cutting part away from the connecting rod 23 is provided as a tip 22, and the cutting blade 21 is provided at a side of the cutting part connected to the connecting rod 23, so that the cutting blade 21 can cut the balloon catheter 1 and the balloon 11 when the cutting needle is withdrawn from the needle tube 5. In this embodiment, the tip 22 can be used as a forward puncture head, that is, when the balloon for closing a blood vessel is used, the cutting needle is firstly inserted into the needle tube 5 until the tip 22 passes out of the annular cutting edge of the needle tube 5 and the cutting edge 21 passes through the opening 51, the balloon catheter 1 is inserted into the needle tube 5, so that the head end of the balloon catheter 1 reaches the opening 51; then the needle tube 5 is arranged at the position of the blood vessel 4 to be closed through the tissue, in the process, the needle tube 5 is more convenient to insert due to the existence of the tip 22 and the matching of the annular cutting edge, next, the balloon catheter 1 is operated to enable the balloon 11 to extend out of the opening 51, namely, the balloon 11 is arranged at the outer side of the blood vessel closing section 41 of the blood vessel 4, and then, the other end of the balloon catheter 1 is filled with the photosensitive resin 111 of the liquid until the balloon 11 is expanded to press and close the blood vessel closing section 41; the optical fiber catheter 3 is inserted into the needle tube 5, ultraviolet light is irradiated to the joint of the balloon catheter 1 and the balloon 11 through the ultraviolet light emitting end 31 to cure the photosensitive resin 111 so as to seal the balloon 11, then the optical fiber catheter 3 is taken out, and the cutting needle is pulled back, so that the cutting blade 21 cuts off the balloon catheter 1 and the balloon 11 when the cutting needle is pulled back because the cutting blade 21 is arranged at the side where the cutting part is connected with the connecting rod 23.
Preferably, the cutting edge 21 is annular and is arranged coaxially with the cutting portion. It will be appreciated that the provision of the cutting edge 21 in the form of a ring ensures that when the cutting needle is withdrawn, there is no need to adjust the position of the cutting edge 21, simplifying the operation and reducing the cutting time. In this embodiment, the cross section of the cutting portion is circular, and the outer diameter of the cutting portion is smaller than the inner diameter of the needle tube 5 by 0.05mm, that is, the cutting portion is cylindrical, and the outer diameter of the cutting portion is slightly smaller than the inner diameter of the needle tube 5, so that the cutting needle can be inserted and pulled out conveniently, and simultaneously, the phenomenon that the needle tube 5 is blocked due to the fact that excessive tissues enter the needle tube 5 through a gap between the cutting needle and the needle tube 5 in the process of inserting the needle tube 5 can be avoided. Specifically, the diameter C of connecting rod 23 is 1/3 of the external diameter b of cutting portion, simultaneously, when processing the cutting portion, can be at first at the conical pointed end 22 of front end processing of cutting portion, then at the other end to the direction of pointed end 22 excision another cone until the bottom surface circle of cone coincide with the circular cross-section of the one end of cutting portion, can process annular cutting edge 21, then connect connecting rod 23 in the tip of conical recess can, above-mentioned operation can guarantee that the cutting portion is as an organic whole and set up, thereby the intensity of cutting portion has been improved can increase the life of cutting portion. In this embodiment, an angle e between one side of the cone and the outer edge of the cutting portion in the length direction is preferably 1 ° to 45 °. In other embodiments, the difference between the outer diameter of the cutting portion and the inner diameter of the needle tube 5 can be adaptively adjusted according to actual use requirements, the cutting portion can also be arranged in a split structure, and meanwhile, the central angle of the cut cone can also be adjusted to other degrees.
The application method of the balloon for closing the blood vessel comprises the following steps: outside the human body, the cutting needle is first inserted into the needle cannula 5 and then advanced forward so that the cutting edge 21 passes through the opening 51 and through the opening 51. The balloon catheter 1 is passed into the needle tube 5 so that the tip end of the balloon catheter 1 reaches the opening 51. Inserting the cutting needle and the needle tube 5 into the tissue to the side edge of the blood vessel 4 to be closed, and pushing the balloon catheter 1 forward to enable the balloon 11 at the head end of the balloon catheter 1 to completely penetrate out of the opening 51; as shown in fig. 4, a photosensitive resin 111 is injected into the balloon 11 from the trailing end of the balloon catheter 1, the balloon 11 is inflated, and the inflated balloon 11 seals the blood vessel 4. The optical fiber catheter 3 is inserted into the needle tube 5, so that the head end of the optical fiber catheter 3 is close to the opening 51, the light source part at the head end of the optical fiber catheter 3 is aligned with the liquid filling part at the front end of the balloon catheter 1, the ultraviolet light source is started to irradiate the position, close to the opening 51, of the balloon catheter 1, at the moment, the photosensitive resin 111, close to the opening 51, of the balloon 11 is cured, and the liquid in the balloon 11 is blocked and is partially or completely cured; withdrawing the optical fiber catheter 3 to the outside of the needle tube 5; as shown in fig. 5, the cutting needle is withdrawn, so that the cutting blade 21 cuts the balloon catheter 1, and the needle tube 5 can be pulled out of the body after the balloon catheter 1 is cut off; as shown in fig. 6, the balloon 11 outside the opening 51 is cut and left at the blood vessel 4 to close the blood vessel 4, and finally the needle tube 5 is retracted to complete the operation of closing the blood vessel 4 by the balloon 11.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A balloon for closing a blood vessel, comprising:
the needle tube is provided with an annular cutting edge at one end, at least one opening hole is formed in the side face of the needle tube and is close to the annular cutting edge, and the needle tube can be inserted into the outer side of a blood vessel through the annular cutting edge and enables the opening hole to face the blood vessel;
a balloon that is capable of entering the needle and exiting the aperture to abut the outer sidewall of the blood vessel, the balloon being expandable to compress the blood vessel until the blood vessel is closed.
2. The balloon for closing a blood vessel according to claim 1, wherein a balloon catheter is connected to the balloon, the balloon catheter is communicated with the inside of the balloon, and the balloon catheter can drive the balloon to extend into the needle tube.
3. The vessel closing balloon of claim 2, further comprising a filler that is accessible from the balloon catheter to the balloon and expands the balloon to compress the vessel.
4. The vessel closing balloon of claim 3, wherein the filler is a photosensitive resin.
5. The vessel closing balloon of claim 4, further comprising a light source member capable of extending into the needle tube and illuminating the junction of the balloon and the balloon catheter to cure the photosensitive resin at the junction.
6. The balloon for closing a blood vessel according to claim 5, wherein the light source member is a fiber optic catheter provided with an ultraviolet light emitting end, the fiber optic catheter being capable of extending into the needle tube to irradiate the junction with ultraviolet light;
and/or the balloon catheter is made of light-permeable materials.
7. The vessel closing balloon of claim 2, further comprising a cutting member adapted to extend into the needle tube and sever the balloon catheter and the balloon.
8. The balloon for closing a blood vessel according to claim 7, wherein the cutting member is a cutting needle, the cutting needle comprises a cutting portion and a connecting rod, the cutting portion is provided with a cutting edge, and the connecting rod can drive the cutting portion to extend into the needle tube so that the cutting edge can cut off the balloon catheter and the balloon.
9. The balloon for closing a blood vessel according to claim 8, wherein an end of the cutting portion remote from the connecting rod is provided as a tip, and the cutting edge is provided at a side of the cutting portion connected to the connecting rod, the cutting edge being capable of cutting the balloon catheter and the balloon when the cutting needle is withdrawn from the needle tube.
10. The balloon for closing a blood vessel according to claim 9, wherein the cutting edge is annular and is disposed coaxially with the cutting portion;
and/or the cross section of the cutting part is circular, and the outer diameter of the cutting part is smaller than the inner diameter of the needle tube by 0.05 mm;
and/or the cross section of the cutting part is circular, and the diameter of the connecting rod is 1/3 of the outer diameter of the cutting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210063747.6A CN114073561A (en) | 2022-01-20 | 2022-01-20 | Balloon for closing blood vessel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210063747.6A CN114073561A (en) | 2022-01-20 | 2022-01-20 | Balloon for closing blood vessel |
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| CN114073561A true CN114073561A (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210063747.6A Pending CN114073561A (en) | 2022-01-20 | 2022-01-20 | Balloon for closing blood vessel |
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2022
- 2022-01-20 CN CN202210063747.6A patent/CN114073561A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4346712A (en) * | 1979-04-06 | 1982-08-31 | Kuraray Company, Ltd. | Releasable balloon catheter |
| US20080039854A1 (en) * | 2006-04-26 | 2008-02-14 | Illuminoss Medical, Inc. | Apparatus and methods for delivery of reinforcing materials to bone |
| WO2014065622A1 (en) * | 2012-10-24 | 2014-05-01 | 포항공과대학교 산학협력단 | Uv-curing resin injection device for aneurism treatment |
| US20160074024A1 (en) * | 2013-05-06 | 2016-03-17 | CAVEMED GmbH | Vascular closure device and method of positioning vascular closure device |
| US20170333048A1 (en) * | 2016-05-17 | 2017-11-23 | Cook Medical Technologies Llc | Temporary occlusion of blood vessel using extra-luminal balloon |
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| US20210059654A1 (en) * | 2018-01-10 | 2021-03-04 | The Provost, Fellows, Scholars And Other Members Of Board Of Trinity College Dublin | System and Methods For Sealing a Channel In Tissue |
| CN212415815U (en) * | 2020-01-13 | 2021-01-29 | 中国人民解放军海军军医大学 | Emergency hemostasis kit for massive hemorrhage in abdominal cavity |
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