CN210301157U - Puncture needle assembly and balloon catheter kit - Google Patents
Puncture needle assembly and balloon catheter kit Download PDFInfo
- Publication number
- CN210301157U CN210301157U CN201920401428.5U CN201920401428U CN210301157U CN 210301157 U CN210301157 U CN 210301157U CN 201920401428 U CN201920401428 U CN 201920401428U CN 210301157 U CN210301157 U CN 210301157U
- Authority
- CN
- China
- Prior art keywords
- seat
- catheter
- sheath
- balloon
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000005036 nerve Anatomy 0.000 abstract description 2
- 210000003128 head Anatomy 0.000 description 19
- 206010044652 trigeminal neuralgia Diseases 0.000 description 13
- 210000000427 trigeminal ganglion Anatomy 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 206010040007 Sense of oppression Diseases 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910000566 Platinum-iridium alloy Inorganic materials 0.000 description 2
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 210000004491 foramen ovale Anatomy 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical class [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UBXAKNTVXQMEAG-UHFFFAOYSA-L strontium sulfate Chemical compound [Sr+2].[O-]S([O-])(=O)=O UBXAKNTVXQMEAG-UHFFFAOYSA-L 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 210000003901 trigeminal nerve Anatomy 0.000 description 2
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 229920002614 Polyether block amide Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000002695 general anesthesia Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000036407 pain Effects 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 210000005077 saccule Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Images
Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The embodiment of the utility model discloses a puncture needle assembly and a balloon catheter kit, wherein the puncture needle assembly comprises a puncture needle and an outer sheath, the puncture needle comprises a needle core and a needle core seat, and one end of the needle core is fixedly connected with the needle core seat; the sheath comprises a sheath body and a sheath seat, one end of the sheath body is fixedly connected with the sheath seat, the stylet can be inserted into the sheath body, and the stylet seat is connected with the sheath seat in a buckling mode. The needle core seat is buckled with the outer sheath seat, so that the needle core can be prevented from retreating when the puncture needle assembly is used for puncture; and when the puncture is finished and the stylet is withdrawn, the stylet can be prevented from driving the sheath to displace in human tissues due to torsion, so that the damage of the puncture needle assembly to the human tissues and nerves when the puncture and the withdrawal of the stylet are carried out is reduced.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially relate to a pjncture needle subassembly and sacculus pipe external member.
Background
Trigeminal neuralgia is a very painful disease. It is mainly manifested as transient and recurrent lightning-like severe pain in the facial trigeminal region. The etiology of the trigeminal neuralgia is divided into primary trigeminal neuralgia and secondary trigeminal neuralgia.
Percutaneous trigeminal semilunar node balloon compression was used clinically in the treatment of trigeminal neuralgia since 1978 by Mulla and Lichtor and was published in 1983. The primary goal of this technology was to alleviate trigeminal neuralgia that cannot be controlled due to other technical failures. In recent years, this technique has been widely used for the treatment of various trigeminal neuralgia because of its easy operability and safety.
The puncture used for treating various trigeminal neuralgia by percutaneous trigeminal semilunar ganglion saccule compression at present aims at the overlarge damage caused by a human body.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves is how to reduce the damage that the puncture that is used for percutaneous trigeminal semilunar ganglion sacculus oppression art to treat various trigeminal neuralgia causes to the human body.
The utility model discloses a technical scheme be: the utility model provides a puncture needle subassembly that can be used for percutaneous trigeminal semilunar ganglion sacculus oppression to treat various trigeminal neuralgia, includes:
the puncture needle comprises a needle core and a needle core seat, wherein one end of the needle core is fixedly connected with the needle core seat;
the sheath comprises a sheath body and a sheath seat, one end of the sheath body is fixedly connected with the sheath seat, the stylet can be inserted into the sheath body, and the stylet seat is connected with the sheath seat in a buckling mode.
In some embodiments, the cartridge holder is provided with a snap; the outer sheath seat comprises a base part, a connecting part, a holding part and a clamping part, the holding part is fixedly connected with the base part through the connecting part, one end of the sheath body is fixedly connected with the base part, the clamping part is fixedly connected with one end of the holding part, and the clamping part are matched with each other, so that the needle core seat (212) and the outer sheath seat (222) are connected in a clamping mode.
In some embodiments, there are two of the buckling parts, and the two buckling parts are respectively located at two sides of the needle core seat; the gripping part and the clamping parts are two, and the two clamping parts are opposite to each other.
In some embodiments, the length of one end of the grip portion is less than the length of the other end of the grip portion.
The utility model also provides a sacculus pipe external member that can be used for percutaneous trigeminal semilunar ganglion sacculus oppression art to treat various trigeminal neuralgia, include: the puncture needle assembly and the balloon catheter are described above.
In some embodiments, the balloon catheter comprises a balloon disposed at one end of the catheter, a catheter tube disposed at the other end of the catheter tube, and a connection hub in communication with the balloon through the catheter tube.
In some embodiments, one end of the guide is semi-spherical or conical, and the other end is communicated with one end of the conduit; the lateral wall of the guide part is provided with an air outlet, and the balloon is sleeved on the outer lateral wall of the guide part and is communicated with the guide part through the air outlet.
In some embodiments, the balloon catheter further comprises a visualization press ring fixed to one end of the catheter and adjacent to the balloon.
In some embodiments, the balloon catheter further comprises a round head for guiding the catheter to be smoothly inserted into the puncture needle assembly, the round head is fixed on the end face of one end of the catheter, and the balloon is located between the round head and the developing compression ring.
In some embodiments, the maximum outer diameter of the rounded head is greater than the outer diameter of the developing pressure ring.
In some embodiments, the catheter tube is provided with indicia, and the depth of the catheter tube into the needle assembly is known by reading the indicia.
In some embodiments, the balloon catheter further comprises an inner core and a cap, the cap is mounted to the connecting seat through a threaded connection, and the inner core is fixed in the catheter through threads of the connecting seat and the cap.
The embodiment of the utility model provides a beneficial effect is: different from the situation of the prior art, the puncture needle assembly in the embodiment of the utility model comprises a puncture needle and an outer sheath, the puncture needle comprises a needle core and a needle core seat, and one end of the needle core is fixedly connected with the needle core seat; the sheath comprises a sheath body and a sheath seat, one end of the sheath body is fixedly connected with the sheath seat, the stylet can be inserted into the sheath body, and the stylet seat is connected with the sheath seat in a buckling mode. The needle core seat is buckled with the outer sheath seat, so that the needle core can be prevented from retreating when the puncture needle assembly is used for puncture; and when the puncture is finished and the stylet is withdrawn, the stylet can be prevented from driving the sheath to displace in human tissues due to torsion, so that the damage of the puncture needle assembly to the human tissues and nerves when the puncture and the withdrawal of the stylet are carried out is reduced.
Drawings
Fig. 1 is a schematic structural view of a balloon catheter set according to an embodiment of the present invention;
fig. 2 is a side view of a balloon catheter in a balloon catheter kit in accordance with an embodiment of the present invention;
FIG. 3 is a perspective view of a spike assembly in a balloon catheter kit in accordance with an embodiment of the present invention;
FIG. 4 is an exploded view of the needle assembly of the balloon catheter kit of an embodiment of the present invention;
FIG. 5 is a perspective view of the hub carrier of the spike assembly in accordance with an embodiment of the present invention;
FIG. 6 is a perspective view of the sheath seat in the needle assembly in accordance with the embodiment of the present invention;
fig. 7 is a cross-sectional view of an introducer needle assembly in accordance with an embodiment of the invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model provides a can be used for the sacculus pipe external member of percutaneous trigeminal nerve semilunar ganglion sacculus oppression art treatment various trigeminal neuralgia, please refer to fig. 1, the embodiment of the utility model provides a sacculus pipe external member 100 includes: the puncture needle assembly 20 is used for puncturing human tissues, guiding the balloon catheter 10 to enter a preset position in the human tissues and compressing the half-moon segment of the trigeminal nerve. The doctor can mutually match the balloon catheter 10 and the puncture needle assembly 20 for use, and the percutaneous trigeminal semilunar ganglion balloon compression operation is completed to treat various trigeminal neuralgia.
Fig. 2 is a side view of a balloon catheter in a balloon catheter kit in accordance with an embodiment of the present invention. As shown in fig. 2, the balloon catheter 10 according to the embodiment of the present invention includes a balloon 11, a catheter 12, a round head 13, a developing ring 14, a connecting seat 15, an inner core (not shown), and a cap 17. The balloon 11 is disposed at one end of the catheter 12 and is in communication with the catheter 12. The round head 13 is arranged on one end face of the conduit 12. The developing press ring 14 is arranged at one end of the catheter 12, and the balloon 11 is positioned between the round head 13 and the developing press ring 14. The connection holder 15 is provided at the other end of the guide tube 12 and communicates with the guide tube 12. The inner core is fixedly mounted within the catheter 12. The cap 17 is mounted to the connecting socket 15.
In particular, the balloon 11 is compliant or semi-compliant. Compliance refers to the ease with which an elastomer deforms under an external force. The balloon 11 may be made of thermoplastic elastomer plastic such as latex, nylon, silicone, TPU or TPE. The shape of the balloon 11 after expansion can be spherical, elliptical, pear-shaped, capsule-shaped or peanut-shaped.
The catheter 12 is a solid color tube with transparent color strips, which is beneficial for doctors to observe the state of liquid in the catheter 12 and adjust the operation mode. The developer (such as barium sulfate, strontium sulfate, magnesium carbonate and the like) is added to the solid color part of the catheter, so that the development in the human tissue can be realized, and a doctor can conveniently judge the specific position of the catheter 12 in the human tissue. The catheter 12 may be made of a tough and strong thermoplastic resin material such as PA, PVC, PE, FEP, Pebax polyether block elastomer, etc., so that it has certain toughness and rigidity and is not easily bent, facilitating insertion of the catheter 12 into the needle assembly 20. To facilitate the physician in knowing the depth of penetration of the catheter tube 12 into the needle assembly 20, the catheter tube 12 is provided with indicia relating to the overall length of the needle assembly 20, and the depth of penetration of the catheter tube 12 into the needle assembly 20 is known by reading the indicia.
In one embodiment, the catheter 12 is made of an elastic metal material at one end and a medical polymer material at the other end, and the two ends are connected by an adhesive or heat sealing process.
The round head 13 is fixed on the end face of one end of the catheter 12 and is made of stainless steel, tantalum, platinum-iridium alloy, platinum, gold, nickel-titanium, iron or other metal and alloy materials with certain rigidity and developing effect. The rounded head 13 serves to guide the catheter tube 12 for smooth insertion into the needle assembly 20. The round head 13 may be a half-round head, an elliptical head, or a conical head with a certain curvature, and its maximum outer diameter is slightly larger than the outer diameter of the developing pressure ring 14 to prevent the developing pressure ring 14 from coming off.
The developing press ring 14 is fixed at one end of the catheter 12, is close to the balloon 11, and is made of stainless steel, tantalum, platinum-iridium alloy, platinum, gold, nickel titanium, iron or other metal and alloy materials with certain rigidity and developing effect. The physician can locate a specific location of the imaging compression ring 14 within the body tissue by X-ray, thereby locating a specific location of the balloon catheter 10 within the body tissue.
The connection holder 15 is provided at the other end of the guide tube 12 and communicates with the guide tube 12. The connecting seat 15 is provided with luer taper and standard threads to facilitate connection with other medical devices.
The connecting seat 15 has an inner cavity which can be a single cavity, a Y-shaped double cavity, a T-shaped double cavity, a three cavity or a four cavity and is made of medical polymer materials such as PP, PE, PC, ABC, POM and the like. The connecting seat 15 can be connected with an injector, and the developing solution is injected into the connecting seat by the injector, enters the catheter 12 and further flows into the balloon 11, so that the balloon 11 is expanded; conversely, when the liquid is withdrawn, the balloon 11 is deflated.
The inner core extends through the catheter 12. The cap 17 is mounted to the coupling seat 15 by screw coupling. The inner core is fixed in the catheter 12 through the threads of the connecting seat 15 and the cap 17. The cap 17 is provided with luer taper and standard thread inside, and can be screwed tightly with the connecting seat 15, so as to keep the inner core from moving in the catheter 12. The cap 17 is provided with anti-slip lines on the outside to prevent slipping during gripping.
It is understood that in some other embodiments, in order to simplify the structure of the balloon catheter 10, the round head 13, the developing ring 14, the inner core 16 and the cap 17 of the balloon catheter 10 may be omitted, the balloon 11 is disposed at one end of the catheter 12, the connecting seat 15 is disposed at the other end of the catheter 12, and the connecting seat 15 is communicated with the balloon 11 through the catheter 12.
As shown in fig. 3 and 4, the needle assembly 20 of the present embodiment includes a needle 21 and an outer sheath 22, and the needle 21 is inserted into the outer sheath 22. The puncture needle 21 comprises a needle core 211 and a needle core seat 212, wherein one end of the needle core 211 is fixedly connected with the needle core seat 212. The outer sheath 22 includes a sheath body 221 and an outer sheath seat 222, and one end of the sheath body 221 is fixedly connected to the outer sheath seat 222. The stylet 211 can be inserted into the sheath 221, and the stylet holder 212 is snap-fit connected with the outer sheath holder 222.
Specifically, one end of the stylet 211 is a needle tail, which is fixedly connected to the stylet holder 212; the other end of the needle core 211 is a needle head which can be a round head, a pointed head, a semicircular head, an elliptical head or a conical head with a certain radian.
As shown in fig. 5, the needle cylinder holder 212 has a cylindrical shape, one end of which is closed and the other end of which is opened. A fixing part 2121 for fixedly connecting with the stylet 211 is arranged in the stylet holder 212. A buckling part 2122 is arranged outside the other end of the needle core seat 212. In this embodiment, there are two buckling parts 2122 respectively located on two opposite sides of the needle core seat 212.
The sheath 221 is made of thin and tough material, and may be made of stainless steel, alloy, or thermoplastic elastomer plastic such as PP, PEP, or TPU/TPE that is processed in advance to be tearable. The side wall thickness of the sheath 221 can be as low as 0.1 mm, so that its insertion diameter is greatly reduced. The fit clearance between the needle core 211 and the sheath body 221 is 0.05 mm to 0.2 mm, the fit degree is excellent, and the puncture resistance caused by capillary action in the puncture process can be effectively reduced and bleeding can be reduced.
As shown in fig. 6, the sheath seat 222 includes a base portion 2221, a connecting portion 2223, a holding portion 2224 and a clamping portion 2225, one end of the base portion 2221 is cylindrical, the other end is conical, a through hole 2222 is formed in the base portion 2221 along the axis thereof, and one end of the sheath body 221 passes through the through hole 2222 and is fixedly connected to the base portion 2221 through the through hole 2222. The grip portion 2224 has a long flat plate shape, the side surface of the grip portion 2224 is fixedly connected to the base portion 2221 through the connecting portion 2223, and the grip portion 2224 is disposed along the axis of the base portion 2221. The snapping portion 2225 is fixedly connected to one end of the holding portion 2224, and the snapping portion 2225 is located on a surface of the holding portion 2224 facing the base portion 2221. The two holding portions 2224 and the two engaging portions 2225 are provided, and the two engaging portions 2225 are opposite to each other.
As shown in fig. 7, the buckling portion 2122 and the fastening portion 2225 are matched with each other, in this embodiment, the buckling portion 2122 is a protrusion, and the fastening portion 2225 is also a protrusion. In another embodiment, the locking portion 2122 is a groove, and the locking portion 2225 is a protrusion. In another embodiment, the locking portion 2122 is a protrusion, and the locking portion 2225 is a groove.
In use of the needle assembly 20, the needle tip of the hub 211 is aligned with the sheath 221 and the hub 211 is gradually inserted into the sheath 221. While the stylet 211 is aligned with the sheath 221, the two locking portions 2122 on the stylet holder 212 are aligned with the two locking portions 2225 on the sheath holder 222, respectively. In the process of inserting the stylet 211 into the sheath 221, the locking portion 2225 and the locking portion 2122 are engaged with each other, so that the stylet holder 212 and the sheath holder 222 are locked together.
During use of the needle assembly 20, the core 211 and sheath 221 are inserted into the body tissue of a patient. The stylet holder 212 and the sheath holder 222 are connected by the above-mentioned snap connection, and when the stylet 211 is pulled out from the body tissue of the patient, the connection between the stylet holder 212 and the sheath holder 222 needs to be disconnected, and then the stylet holder 212 needs to be held to be pulled out. It is apparent that the snap-fit connection can allow the hub 212 and the sheath 222 to be separated more quickly than other connections (e.g., threaded connections) and prevent the hub 212 and the sheath 222 from rotating relative to each other during separation, thereby preventing the hub 211 from rotating relative to the sheath 221. If the stylet 211 and the sheath 221 rotate relative to each other, the stylet 211 rotates in the human tissue, and the damage to the human tissue is increased.
It is understood that in some other embodiments, in order to facilitate the alignment of the two locking portions 2122 on the needle core holder 212 with the two locking portions 2225 on the sheath holder 222, the needle core holder 212 is provided with a first guiding portion, and the sheath holder 222 is provided with a second guiding portion, and the first guiding portion and the second guiding portion cooperate with each other to guide the two locking portions 2122 on the needle core holder 212 to be aligned with the two locking portions 2225 on the sheath holder 222. The first guide portion may be a guide groove, and the guide groove may be opened in an inner sidewall of the needle core holder 212. The second guide portion may be a guide block disposed on an outer side surface of the base portion 2221. The opening has been seted up towards the one end of guiding groove the syringe needle of nook closing member 211, the opening is the loudspeaker form or is the V type.
After the puncturing operation is completed using the puncturing assembly 20, the puncturing needle 21 needs to be withdrawn from the outer sheath 22. Since the structure of the holding portion 2224 and the engaging portion 2225 is similar to a seesaw, when the other end of the holding portion 2224 is pressed down, one end of the holding portion 224 tilts up, so that the engaging portion 2225 and the engaging portion 2122 are staggered, the core holder 212 and the sheath holder 222 are separated from each other, and the puncture needle 21 is pulled out from the sheath 22. In order to facilitate the user to easily press down the other end of the holding portion 2224, the length of one end of the holding portion 2224 is smaller than the length of the other end of the holding portion 2224.
The embodiment of the utility model provides a specific application method of sacculus pipe external member 100: the patient is placed in the supine position after general anesthesia, and the cloth roll is wrapped at a proper height under the shoulder pad to ensure that the neck is slightly stretched. Under X-ray conditions, the needle assembly 20 is used to puncture the patient from the side, preferably about 2.5 cm, from the corner of the patient's side mouth. The needle assembly 20 is guided into the foramen ovale by X-ray positioning and indexing on the sheath 221 without piercing the superior margin of the foramen ovale. The hub holder 212 and the sheath holder 222 are unlocked, the puncture needle 21 is pulled out, and the sheath 22 is left in the body tissue. Insertion of the balloon catheter 10 along the outer sheath 22 is determined by X-ray positioning and graduation markings on the catheter 12. After the positioning of the semilunar node of the trigeminal nerve of which the balloon 11 enters the Meckle's cavity is completed, the diluent developer is injected through the connecting seat 15, so that the balloon 11 is inflated, and the inflation condition of the balloon 11 is monitored through X-ray images. The dilute contrast agent is injected continuously until the balloon 11 just fills the Meckle's lumen and the inflated shape of the balloon 11 is monitored by X-ray images as an ideal pear-shaped appearance. The balloon 11 is kept to be expanded to press the trigeminal semilunar node for 1 minute, then the developer is drawn out, the balloon catheter 10 and the outer sheath 22 are withdrawn, the puncture point is pressed for a plurality of minutes to stop bleeding, and the operation is completed.
It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (11)
1. A needle assembly (20), comprising:
the puncture needle (21) comprises a needle core (211) and a needle core seat (212), wherein one end of the needle core (211) is fixedly connected with the needle core seat (212);
the sheath (22) comprises a sheath body (221) and a sheath seat (222), one end of the sheath body (221) is fixedly connected to the sheath seat (222), the stylet (211) can be inserted into the sheath body (221), and the stylet seat (212) is connected with the sheath seat (222) in a buckling mode.
2. The needle assembly (20) of claim 1,
the needle core seat (212) is provided with a buckling part (2122);
the sheath seat (222) comprises a base portion (2221), a connecting portion (2223), a holding portion (2224) and a clamping portion (2225), the holding portion (2224) is fixedly connected with the base portion (2221) through the connecting portion (2223), one end of the sheath body (221) is fixedly connected with the base portion (2221), the clamping portion (2225) is fixedly connected with one end of the holding portion (2224), and the clamping portion (2122) and the clamping portion (2225) are matched with each other, so that the needle core seat (212) and the sheath seat (222) are in clamping connection.
3. The needle assembly (20) of claim 2,
the number of the buckling parts (2122) is two, and the two buckling parts (2122) are respectively positioned on two sides of the needle core seat (212);
the number of the holding portions (2224) and the number of the clamping portions (2225) are two, and the two clamping portions (2225) are opposite to each other.
4. The lancet assembly (20) of claim 3,
the length of one end of the holding part (2224) is smaller than that of the other end of the holding part (2224).
5. A balloon catheter kit (100) comprising the puncture needle assembly (20) according to any one of claims 1 to 4 and a balloon catheter (10).
6. The balloon catheter kit (100) according to claim 5,
the balloon catheter (10) comprises a balloon (11), a catheter (12) and a connecting seat (15), the balloon (11) is arranged at one end of the catheter (12), the connecting seat (15) is arranged at the other end of the catheter (12), and the connecting seat (15) is communicated with the balloon (11) through the catheter (12).
7. The balloon catheter kit (100) according to claim 6,
the balloon catheter (10) further comprises a developing pressing ring (14), wherein the developing pressing ring (14) is fixed at one end of the catheter (12) and close to the balloon (11).
8. The balloon catheter kit (100) according to claim 7,
the balloon catheter (10) further comprises a round head (13) used for guiding a catheter (12) to be smoothly inserted into the puncture needle assembly (20), the round head (13) is fixed on the end face of one end of the catheter (12), and the balloon (11) is located between the round head (13) and the developing press ring (14).
9. The balloon catheter kit (100) according to claim 8,
the maximum outer diameter of the round head (13) is larger than the outer diameter of the developing pressure ring (14).
10. The balloon catheter kit (100) according to claim 6,
the catheter (12) is provided with a scale, and the depth of the catheter (12) entering the puncture needle assembly (20) is known by reading the scale.
11. The balloon catheter kit (100) according to claim 6,
the balloon catheter (10) further comprises an inner core (16) and a cap (17), the cap (17) is installed on the connecting seat (15) through threaded connection, and the inner core (16) is fixed in the catheter (12) through threads of the connecting seat (15) and the cap (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401428.5U CN210301157U (en) | 2019-03-27 | 2019-03-27 | Puncture needle assembly and balloon catheter kit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401428.5U CN210301157U (en) | 2019-03-27 | 2019-03-27 | Puncture needle assembly and balloon catheter kit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210301157U true CN210301157U (en) | 2020-04-14 |
Family
ID=70135174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920401428.5U Active CN210301157U (en) | 2019-03-27 | 2019-03-27 | Puncture needle assembly and balloon catheter kit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210301157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938810A (en) * | 2019-03-27 | 2019-06-28 | 深圳市擎源医疗器械有限公司 | Needle Assembly and Balloon Catheter Kit |
-
2019
- 2019-03-27 CN CN201920401428.5U patent/CN210301157U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938810A (en) * | 2019-03-27 | 2019-06-28 | 深圳市擎源医疗器械有限公司 | Needle Assembly and Balloon Catheter Kit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0486498B1 (en) | A catheter introduction syringe | |
| US4813938A (en) | Catheter introduction syringe | |
| US6719726B2 (en) | Catheter having a low drag septum | |
| JP5890011B2 (en) | Catheter assembly | |
| US5290244A (en) | Syringe and needle with guide wire for cannulation of central veins | |
| CN108338825B (en) | Integrated safe lumbar puncture outfit | |
| US11969559B2 (en) | Catheter hub with sealed access port | |
| CN210301157U (en) | Puncture needle assembly and balloon catheter kit | |
| CN109938810A (en) | Needle Assembly and Balloon Catheter Kit | |
| JP2025510575A (en) | Needle holder | |
| CN219539204U (en) | Balloon dilation catheter | |
| CN214805202U (en) | Trigeminal semilunar junction compression system | |
| CN115068741A (en) | Anti-reflux anti-needling retention needle | |
| JP6070369B2 (en) | Y connector adapter | |
| CN107582146A (en) | A kind of puncture awl needle assemblies | |
| CN215461275U (en) | Adjustable trigeminal balloon compression catheter | |
| CN112754621A (en) | Trigeminal semilunar junction compression system | |
| CN219847810U (en) | Implantable infusion device | |
| CN215129688U (en) | Laparoscope puncture outfit | |
| CN214259479U (en) | Trigeminal semilunar junction compression device | |
| CN113181474B (en) | Safe type nondestructive puncture needle for infusion port | |
| CN116687531B (en) | Subcutaneous tunneling tool | |
| CN217014950U (en) | Blunt syringe needle | |
| CN222708821U (en) | Internal jugular vein catheter delivery device | |
| CN219306866U (en) | Thoracic cavity puncture outfit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |