CN115337094B - Retronasal nerve ablation device and retronasal nerve ablation device thereof - Google Patents

Retronasal nerve ablation device and retronasal nerve ablation device thereof Download PDF

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CN115337094B
CN115337094B CN202211283080.7A CN202211283080A CN115337094B CN 115337094 B CN115337094 B CN 115337094B CN 202211283080 A CN202211283080 A CN 202211283080A CN 115337094 B CN115337094 B CN 115337094B
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ablation
shaped
anesthesia
retronasal
nerve
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CN115337094A (en
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薛辰
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Beijing Chenxi Medical Technology Co ltd
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Beijing Chenxi Medical Technology Co ltd
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/149—Probes or electrodes therefor bow shaped or with rotatable body at cantilever end, e.g. for resectoscopes, or coagulating rollers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M19/00—Local anaesthesia; Hypothermia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
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    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00273—Anchoring means for temporary attachment of a device to tissue
    • A61B2018/00279—Anchoring means for temporary attachment of a device to tissue deployable
    • A61B2018/00285—Balloons
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    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00321—Head or parts thereof
    • A61B2018/00327—Ear, nose or throat
    • A—HUMAN NECESSITIES
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    • A—HUMAN NECESSITIES
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    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—Ablation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577—Ablation
    • A61B2018/00583—Coblation, i.e. ablation using a cold plasma
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00589—Coagulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B2018/1467—Probes or electrodes therefor using more than two electrodes on a single probe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00—Special media to be introduced, removed or treated
    • A61M2202/04—Liquids
    • A61M2202/0468—Liquids non-physiological
    • A61M2202/048—Anaesthetics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/06—Head
    • A61M2210/0618—Nose

Abstract

The invention relates to a retronasal nerve ablation device, which comprises an anesthesia component and a retronasal nerve ablation device, wherein the anesthesia component comprises an anesthesia probe rod and a U-shaped anesthesia probe, an injection needle is arranged on the U-shaped working surface of the U-shaped anesthesia probe, the retronasal nerve ablation device comprises an ablation cutter bar, a U-shaped ablation cutter disc, a host and a switch, a plurality of ablation cutter heads are arranged on the surface of the U-shaped ablation cutter disc, and a plurality of ablation elements are arranged on each ablation cutter head and used for ablating the retronasal nerve branches; the U-shaped ablation cutter head is connected with one end of the ablation cutter rod, the other end of the ablation cutter rod is provided with a control handle, the switch is arranged on the control handle, and the switch is respectively connected with the host and the ablation element. The invention is convenient to be clamped at the root of the middle turbinate for positioning, melts the retronasal plexus by near 360 degrees along the periphery of the root of the middle turbinate after local anesthesia, provides a convenient operation device for the branch ablation of the retronasal nerve, and has good operation effect and small wound.

Description

Retronasal nerve ablation device and retronasal nerve ablation device thereof
Technical Field
The invention relates to the technical field of medical instruments, in particular to a retronasal nerve ablation device and a retronasal nerve ablation device thereof.
Background
The global incidence rate of allergic rhinitis is 10-30%, moderate-severe allergic rhinitis accounts for about half of the allergic rhinitis, and the treatment by using drugs for treating symptoms is not good, so that the surgical treatment is a more ideal treatment mode. At present, the mainstream operation modes include nasal cavity dilatation and nasal cavity parasympathetic nerve ablation. The nasal parasympathetic nerve ablation also comprises winged canal nerve ablation, retronasal nerve trunk ablation and retronasal nerve branch ablation. Among them, the side effect of the nasal nerve branch ablation is minimal, and the postoperative complication is minimal. The posterior nasal nerve trunk passes through the sphenopalatine foramen and is divided into a plurality of branches: the superior turbinate branch, the middle turbinate branch, the inferior turbinate branch, the fontanel branch, the retronasal septum branch and the like are distributed in a manner of dispersing towards the periphery by taking the sphenopalatine foramen as the center. The position of the trunk of the retronasal nerve and the root of the middle turbinate is relatively constant, but the position of the branch is not constant, so that the difficulty of the branch ablation of the retronasal nerve is increased, and the operation cannot be popularized.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a retronasal nerve ablation device which comprises an anesthesia component and a retronasal nerve ablation device, wherein the heads of the anesthesia component and the retronasal nerve ablation device are both of U-shaped structures, the opening part of each U-shaped structure is conveniently clamped at the root of a middle turbinate and is positioned and ablated at an angle of nearly 360 degrees along the periphery of the root of the middle turbinate (a retronasal nerve trunk), and the opening part of each U-shaped structure is used for maintaining blood supply of a mucous membrane, accelerating wound recovery of the mucous membrane and providing a convenient operation device for the retronasal nerve branch ablation.
In order to achieve the purpose, the invention adopts the following technical scheme:
a retronasal nerve ablator, which comprises an ablation cutter bar, a U-shaped ablation cutter head, a host and a switch,
the surface of the U-shaped ablation cutter head is provided with a plurality of ablation cutter heads, and each ablation cutter head is provided with a plurality of ablation elements for ablating the retronasal nerve branches;
the U-shaped ablation cutter head is connected with one end of the ablation cutter rod, the other end of the ablation cutter rod is provided with an operation handle, the switch is arranged on the operation handle, and the switch is respectively connected with the host and the ablation element.
Further, still include the air pump, the U-shaped melts the blade disc and still includes the gasbag, the air pump is connected with the gasbag in order to be used for aerifing the gasbag, the gasbag aerify back orientation the U-shaped melts the blade disc with be equipped with the opposite side in surface of melting the tool bit swells.
Furthermore, a plurality of ablation cutter heads are arranged in at least two rows and are longitudinally arranged on the surface of the U-shaped ablation cutter head, the ablation cutter heads are sequentially arranged in the circumferential direction at intervals, and the extending direction of each ablation cutter head is basically parallel to the U-shaped contour line of the U-shaped ablation cutter head.
Furthermore, the blade body of the ablation cutter head is perpendicular to the surface of the U-shaped ablation cutter head.
Furthermore, an included angle between the cutter body of the ablation cutter head and the U-shaped ablation cutter head is 60-120 degrees.
Further, the ablation element is one of a radio frequency electrode, a plasma electrode, an ultrasound element, a cryo-element, a microwave element, a laser element or a chemical ablation element.
Further, the ablation element is a radio frequency electrode or a plasma electrode and is used for ablating the retronasal nerve branches and forming a bipolar electrocoagulation loop to stop bleeding of the ablation part after ablation is completed.
A retronasal nerve ablation device, which comprises an anesthesia component and the retronasal nerve ablator;
the anesthesia assembly comprises an anesthesia probe rod and a U-shaped anesthesia probe, the middle of the U-shaped anesthesia probe is connected with one end of the anesthesia probe rod, an injection needle is arranged on the U-shaped working face of the U-shaped anesthesia probe, a medicament injection pipeline is arranged inside the anesthesia probe rod, and the medicament injection pipeline is connected with the injection needle.
Furthermore, an anesthetic sponge is further arranged on the U-shaped working surface of the U-shaped anesthetic probe, and the thickness of the anesthetic sponge is larger than or equal to the height of the injection needle exposed out of the U-shaped working surface of the U-shaped anesthetic probe.
Furthermore, the other end of the anesthesia probe rod is provided with a grab handle, and a conical transition section is arranged between the grab handle and the anesthesia probe rod.
Compared with the prior art, the invention has the following advantages:
1. the head parts of the anesthesia component and the retronasal nerve ablator are both of U-shaped structures, the opening parts of the U-shaped structures are convenient to clamp at the root part of the middle turbinate for positioning and to ablate at an angle of nearly 360 degrees along the periphery of the root part (the retronasal nerve trunk) of the middle turbinate on one hand, and on the other hand, the blood supply of mucous membranes is kept, the recovery of mucous membrane wounds is accelerated, and a convenient operation device is provided for the retronasal nerve branch ablation.
2. The U-shaped anesthesia probe of the anesthesia component is provided with the anesthesia sponge, the anesthesia sponge fully absorbs the anesthesia medicine to carry out local full infiltration anesthesia, the anesthesia effect is better, and the anesthesia time is shorter. The height of the exposed surface of the injection needle is slightly lower than or equal to the thickness of the anesthetic sponge, so that the injection needle can be hidden under the anesthetic sponge, the U-shaped anesthetic probe can be prevented from scratching the inner wall of the nasal cavity by the injection needle in the advancing process, the injection needle can be inserted into the mucous membrane to inject anesthetic by pressing with a little force after the anesthetic probe is in place, and the use is simple and convenient.
3. The air bag is arranged on the back of the U-shaped ablation cutter of the retronasal nerve ablation device, is inflated with sufficient air and then swells towards the back side of the U-shaped ablation cutter (namely the other side opposite to the side provided with the ablation cutter), and pushes the ablation cutter to the mucous membrane through the extrusion of the wall of the surrounding nasal cavity, so that an operator can be helped to more accurately position the ablation device at the root of the middle turbinate, meanwhile, the ablation cutter can be fully contacted with the mucous membrane and exert certain pressure, and the ablation element continuously moves towards the direction below the mucous membrane and the bone surface along with the ablation process, so that the ablation effect is further improved.
4. According to the invention, the plurality of ablation cutter heads are longitudinally arranged on the surface of the U-shaped ablation cutter head and are sequentially arranged at intervals along the circumferential direction of the U-shaped ablation cutter head, so that the full coverage of the periphery of the middle turbinate root (the trunk of the retronasal nerve) within a range of nearly 360 degrees is realized, and the ablation effect is improved.
5. The invention preferably adopts the radio frequency electrode or the plasma electrode as an ablation element for ablating the nerve branches behind the nose, and a bipolar electrocoagulation loop can be formed to stop bleeding of an ablation part after ablation is finished, so that the safety of the operation is further improved, and the pain of a patient is reduced.
Drawings
The invention is further explained with reference to the drawings and the embodiments.
FIG. 1 is a schematic view of the construction of the retronasal nerve ablator of the present invention;
FIG. 2 is a schematic view of the anesthetic assembly of the present invention;
FIG. 3 is a schematic view of a U-shaped anesthesia probe of the present invention;
FIG. 4 is a schematic structural view of a U-shaped ablation blade in accordance with the present invention;
fig. 5 is a schematic view of the surface of a U-shaped ablation disk of the present invention.
Reference numerals: 1-an anesthetic component; 2-a retronasal nerve ablator; 3, a host; 4-a switch; 5-conducting wires; 6, an air pump; 11-anesthetic probe; a 12-U-shaped anesthesia probe; 13-a grab handle; 14-a tapered transition section; 21-an ablation knife bar; 22-a U-shaped ablation blade; 23-a control handle; 121-an injection needle; 122-anesthetic sponge; 221-an ablation tool bit; 222-a balloon; 2211-ablation element.
Detailed Description
The first embodiment is as follows:
referring to fig. 1, the present embodiment provides a retronasal nerve ablator, which includes an ablation knife bar 21, a U-shaped ablation knife disc 22, a host 3 and a switch 4, wherein a plurality of ablation knife heads 221 are disposed on the surface of the U-shaped ablation knife disc 22, and each ablation knife head 221 is provided with at least two ablation elements 2211 for ablating a retronasal nerve branch; the two ablation elements are respectively connected with the anode and the cathode of the host, and the switch is used for controlling the electrification and the outage of the ablation elements; the middle part of the U-shaped ablation cutter head 22 is connected with one end of an ablation cutter rod, the other end of the ablation cutter rod is provided with a control handle 23, a switch 4 is arranged on the control handle 23, and the switch 4 is respectively connected with the host machine 3 and the ablation element 2211 through a lead 5. A plurality of control knobs and display screens may be included on the host 3.
Referring to fig. 1 and 4, in the present embodiment, a plurality of ablation cutter heads are provided, the plurality of ablation cutter heads 221 are arranged in at least two rows and longitudinally arranged on the surface of the U-shaped ablation cutter head 22, and are sequentially arranged at intervals along the circumferential direction of the U-shaped ablation cutter head 22, and the extending direction of each ablation cutter head 221 is substantially parallel to the U-shaped contour line of the U-shaped ablation cutter head 22, so that the full coverage of the middle turbinate root (the trunk of the retronasal nerve) within a range of nearly 360 ° is realized, and the ablation effect is improved.
In this embodiment, the head of the retronasal nerve ablator is a U-shaped structure, the opening part of the U-shaped structure is convenient to clamp at the root of the middle turbinate for positioning, and the ablation is performed by nearly 360 degrees along the periphery of the root of the middle turbinate (the retronasal nerve trunk), and on the other hand, the blood supply of the mucous membrane is kept, the recovery of the mucous membrane wound is accelerated, and a convenient operation device is provided for the retronasal nerve branch ablation.
Referring to fig. 5, in one embodiment, the blade of the ablation blade 221 is disposed perpendicular to the surface of the U-shaped ablation blade disc 22. Preferably, in another embodiment, an included angle between the blade body of the ablation blade head 221 and the U-shaped ablation blade disc 22 is set to be 60 ° to 120 °, and in actual use, the included angle between the blade body of the ablation blade head 221 and the U-shaped ablation blade disc 22 can be selectively adjusted within a range of 60 ° to 120 ° according to the surface shape of the ablation part, so that the ablation blade head is perpendicular to the surface of the ablation part, and the ablation element is in full contact with the nasal mucosa, thereby improving the ablation effect.
In this embodiment, the ablation element 2211 may employ one of a radio frequency electrode, a plasma electrode, an ultrasound element, a cryosurgical element, a microwave element, a laser element, or a chemical ablation element.
Preferably, the ablation element 2211 is a radio frequency electrode or a plasma electrode, and is used for ablating the nerve branch behind the nose and forming a bipolar coagulation loop to stop bleeding at the ablation part after the ablation is completed.
When the technical scheme is used for implementing the retronasal nerve ablation, the patient adopts a sitting position, and the tetracaine and ephedrine mixed solution is sprayed into the nasal cavity of the patient to play the roles of surface anesthesia of the nasal cavity and contraction of the nasal cavity so as to widen the operation space; then, not less than 1ml of local anesthetic (0.5% lidocaine) is injected under the mucosa near the root of the turbinate of the patient to enable the mucosa to be completely swelled, the injection operation can be implemented through an injection needle tube, and the injection operation has the effects of (1) anesthesia, (2) separation of the mucosa from the submucosal tissues, and (3) enough moisture is provided under the mucosa to enable the ablation cutter head to work; after the local anesthesia is completed, the U-shaped ablation cutter head of the retronasal nerve ablation device is stretched into the nasal cavity, the U-shaped opening part of the U-shaped ablation cutter head is clamped at the root of the middle turbinate, the ablation cutter head is pressed slightly and forcefully to fully contact the surface of the mucous membrane, the switch on the control handle is turned on to electrify the ablation element on the ablation cutter head, and the multiple ablation cutter heads work together to automatically ablate the surface mucous membrane together with the retronasal nerve plexus under the mucous membrane.
In the embodiment that the ablation element is a radio frequency electrode or a plasma electrode, after ablation is completed, the switch can be further switched to a hemostasis gear, so that the ablation element of the ablation knife head forms a bipolar electrocoagulation loop to stop bleeding of the ablation part.
Referring to fig. 1 and 4, in a preferred embodiment, the retronasal nerve ablator further includes an air pump 6, the U-shaped ablation cutter 22 further includes an air bag 222, the air bag 222 is disposed on the back side of the U-shaped ablation cutter 22 (i.e., the other side opposite to the side on which the ablation cutter 221 is disposed), and can be attached to the U-shaped inner side wall of the U-shaped ablation cutter 22 or the back side of the U-shaped ablation cutter 22, the air pump 6 is connected to the air bag 222 for inflating the air bag 222, and the inflation pipeline is disposed inside the ablation cutter bar and the control handle. An inflation switch (not shown) is provided on the air pump 6. When the retronasal nerve ablation is performed, when the U-shaped ablation cutter 22 extends into the nasal cavity of a patient and the U-shaped opening is clamped at the root of the nasal concha of the patient, the inflation switch is turned on, the air pump 6 is enabled to inflate sufficient air, preferably 1-3 ml, into the air bag 222, the air bag 222 is inflated and then swells towards the back side (the other side opposite to the side provided with the ablation cutter 221) of the U-shaped ablation cutter 22, the ablation cutter 221 is pushed towards the mucous membrane through extrusion of the wall of the peripheral nasal cavity, on one hand, an operator can be helped to more accurately position the ablator, on the other hand, the inflated air bag can enable the ablation cutter to be fully contacted and apply certain pressure to the mucous membrane, and along with the ablation process, the ablation element 2211 continuously moves towards the direction of the mucous membrane and the bone surface, and the ablation effect is further improved. The air bag 222 can be approximately rectangular matched with the U-shaped cavity of the U-shaped ablation cutter head in shape and size, so that the pressure of the air bag in the nasal cavity is relieved, and the discomfort of a patient can be relieved.
Referring to fig. 1, in the present embodiment, a tapered transition section is provided between the control handle 23 and the ablation knife bar 21, the control handle is convenient for hand-held operation, and the tapered transition section can improve the overall rigidity of the retronasal nerve ablator.
Example two:
referring to fig. 2, the present embodiment provides a retronasal nerve ablation device, including an anesthetic assembly 1 and a retronasal nerve ablator 2 disclosed in the first embodiment; the anesthesia component 1 comprises an anesthesia probe rod 11 and a U-shaped anesthesia probe 12, the middle part of the U-shaped anesthesia probe 12 is connected with one end of the anesthesia probe rod 11, an injection needle 121 is arranged on the U-shaped working surface of the U-shaped anesthesia probe 12, a medicament injection pipeline (not shown in the figure) is arranged inside the anesthesia probe rod 11, and the medicament injection pipeline is connected with the injection needle 121.
The technical content of the retronasal nerve ablator is understood by referring to the content disclosed in the first embodiment, and the repeated description is not provided herein; the disclosure in the first embodiment should also be regarded as the disclosure in the present embodiment.
When the technical scheme is used for implementing the retronasal nerve ablation, the patient adopts a sitting position, and the tetracaine and ephedrine mixed solution is sprayed into the nasal cavity of the patient to play the roles of surface anesthesia of the nasal cavity and contraction of the nasal cavity so as to widen the operation space; then, a U-shaped anesthesia probe of the anesthesia assembly is inserted into the nasal cavity of a patient, the opening part of the U-shaped anesthesia probe is clamped at the root part of a middle turbinate, and a small force is exerted to ensure that an injection needle head penetrates into the mucosa, so that not less than 1ml of local anesthetic (0.5% lidocaine) is injected, the mucosa is completely bulged, and the anesthetic can be pushed into a medicament injection pipeline through an injection needle tube, so that the effects of (1) anesthesia, (2) separation of the mucosa from tissues under the mucosa, and (3) sufficient moisture is arranged under the mucosa to ensure that an ablation cutter head works; after anesthesia is completed, the anesthesia assembly is taken out, the U-shaped ablation cutter head of the retronasal nerve ablation device is stretched into the nasal cavity, the opening part of the U-shaped ablation cutter head is clamped at the root of the middle turbinate, the ablation cutter head is pressed slightly and forcefully to make the ablation cutter head fully contact with the surface of the mucous membrane, the switch on the control handle is turned on to electrify the ablation element on the ablation cutter head, and the ablation cutter heads work together to automatically ablate the surface mucous membrane together with the retronasal nerve plexus under the mucous membrane.
In the embodiment that the ablation element is a radio frequency electrode or a plasma electrode, after ablation is completed, the switch can be further switched to a hemostasis gear, so that the ablation element of the ablation knife head forms a bipolar electrocoagulation loop to stop bleeding of the ablation part.
In a preferred embodiment, referring to fig. 3, the U-shaped working surface of the U-shaped anesthesia probe 12 is further provided with an anesthesia sponge 122, the anesthesia sponge is U-shaped and attached to the surface of the U-shaped anesthesia probe 12, and the thickness of the anesthesia sponge 122 is greater than or equal to the height of the injection needle 121 exposed on the U-shaped working surface of the U-shaped anesthesia probe 12. During anesthesia, the U-shaped anesthesia probe of the anesthesia component is firstly soaked in tetracaine and epinephrine liquid, so that the anesthesia sponge fully absorbs the medicine, then the U-shaped anesthesia probe of the anesthesia component extends into the nasal cavity of a patient and is placed at the root of the middle turbinate, the U-shaped anesthesia probe is clamped in a U shape and stays for 1-3 minutes, and therefore the local part is fully infiltrated and anesthetized. Compared with the nasal cavity spraying mode, the mode of infiltration anesthesia has better anesthesia effect and shorter anesthesia time. When infiltration anesthesia is carried out, the injection needle is hidden under the anesthesia sponge, so that the U-shaped anesthesia probe is prevented from scratching the inner wall of the nasal cavity in the advancing process, and secondary injury is avoided. After the infiltration anesthesia is finished, the U-shaped anesthesia probe is pressed slightly and forcefully, so that the injection needle extends out and penetrates into the submucosa, and the local anesthesia medicine is injected, as shown in figure 2.
Referring to fig. 2, in the present embodiment, the other end of the anesthetic probe 11 is provided with a handle 13, and a tapered transition section 14 is provided between the handle 13 and the anesthetic probe 11. The grab handle is convenient for handheld operation, and the conical transition section can improve the overall rigidity of the anesthesia component.
In addition, in terms of size selection, the width of the U-shaped anesthesia probe and the width of the U-shaped ablation cutter head can be set to be 10 mm-15 mm, and the thickness can be set to be 0.5mm.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (10)

1. A retronasal nerve ablator, comprising: comprises an ablation cutter bar (21), a U-shaped ablation cutter head (22), a main machine (3) and a switch (4),
the surface of the U-shaped ablation cutter head (22) is provided with a plurality of ablation cutter heads (221), the ablation cutter heads (221) are longitudinally arranged on the surface of the U-shaped ablation cutter head (22) and are sequentially arranged at intervals along the circumferential direction of the U-shaped ablation cutter head (22), and each ablation cutter head (221) is provided with a plurality of ablation elements (2211) for ablating the branches of the nerves behind the nose;
u-shaped ablation blade disc (22) with the one end of ablating the cutter arbor is connected, the other end of ablating the cutter arbor is equipped with control handle (23), switch (4) set up control handle (23) are last, switch (4) respectively with host computer (3) with it connects to ablate component (2211).
2. The retronasal nerve ablator of claim 1, wherein: still include air pump (6), U-shaped ablation blade disc (22) still includes gasbag (222), air pump (6) are connected in order to be used for aerifing gasbag (222) with gasbag (222), gasbag (222) aerify the back orientation U-shaped ablation blade disc (22) with be equipped with the opposite side in surface of ablating tool bit (221) is bloated.
3. The retronasal nerve ablator of claim 1, wherein: the plurality of ablation cutter heads (221) are arranged in at least two rows in the longitudinal direction and are arranged on the surface of the U-shaped ablation cutter head (22), the U-shaped ablation cutter head (22) is arranged in the circumferential direction at intervals in sequence, and the extending direction of each ablation cutter head (221) is parallel to the U-shaped contour line of the U-shaped ablation cutter head (22).
4. The retronasal nerve ablator of claim 1, wherein: the cutter body of the ablation cutter head (221) is perpendicular to the surface of the U-shaped ablation cutter head (22).
5. The retronasal nerve ablator of claim 1, wherein: the included angle between the cutter body of the ablation cutter head (221) and the U-shaped ablation cutter head (22) is 60-120 degrees.
6. The retronasal nerve ablator of claim 1, wherein: the ablation element (2211) is one of a radio frequency electrode, a plasma electrode, an ultrasound element, a cryotherapy element, a microwave element, a laser element, or a chemical ablation element.
7. The retronasal nerve ablator of claim 6, wherein: the ablation element (2211) is a radio frequency electrode or a plasma electrode and is used for ablating the retronasal nerve branches and forming a bipolar electrocoagulation loop to stop bleeding of the ablation part after ablation is completed.
8. A retronasal nerve ablation device characterized by: comprising an anaesthetic assembly (1) and a retronasal nerve ablator (2) according to any one of claims 1 to 6;
the anesthesia subassembly (1) includes anesthesia probe rod (11) and U-shaped anesthesia probe (12), the middle part of U-shaped anesthesia probe (12) with the one end of anesthesia probe rod (11) is connected, be equipped with injection needle (121) on the U-shaped working face of U-shaped anesthesia probe (12), anesthesia probe rod (11) inside is equipped with medicament injection pipeline, medicament injection pipeline with injection needle (121) are connected.
9. The retronasal nerve ablation device of claim 8, wherein: an anesthesia sponge (122) is further arranged on the U-shaped working surface of the U-shaped anesthesia probe (12), and the thickness of the anesthesia sponge (122) is larger than or equal to the height of the injection needle (121) exposed out of the U-shaped working surface of the U-shaped anesthesia probe (12).
10. The retronasal nerve ablation device of claim 8, wherein: the other end of the anesthesia probe rod is provided with a grab handle (13), and a conical transition section (14) is arranged between the grab handle (13) and the anesthesia probe rod (11).
CN202211283080.7A 2022-10-20 2022-10-20 Retronasal nerve ablation device and retronasal nerve ablation device thereof Active CN115337094B (en)

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