CN218773933U - Integrated radio frequency sleeve assembly for cervical vertebra operation - Google Patents

Abstract

The utility model relates to an integrated type radio frequency sleeve pipe assembly is used in cervical vertebra operation belongs to the relevant equipment technical field of medical puncture, has solved current radio frequency trocar, often need carry on after the puncture is accomplished that the inner core takes out, sleeve pipe afterbody is annotated medicine and radio frequency needle and take out repeatedly and put into the operation such as, leads to the problem of the unpredicted damage of neck easily. An integrated radio frequency sleeve assembly for cervical vertebra surgery comprises a radio frequency outer sleeve with openings at two ends, a liquid injection pipeline communicated with the radio frequency outer sleeve and a radio frequency inner core; the radio frequency inner core is inserted into the radio frequency outer sleeve through one end of the radio frequency outer sleeve; after the radio frequency inner core is inserted in place, medicine is injected through the liquid injection pipeline, and medicine injection and radio frequency effects in the designated area are achieved. The utility model discloses integrated puncture, radio frequency and annotate the liquid operation in an organic whole, can show the operation that reduces the radio frequency inner core and come in and go out the radio frequency outer tube repeatedly in original art, improve whole work efficiency, reduce the damage risk of neck soft tissue, nerve plexus and great vessel.

Description

Integrated radio frequency sleeve assembly for cervical vertebra operation

Technical Field

The utility model relates to a medical puncture correlation equipment technical field especially relates to a cervical vertebra operation is with integrated type radio frequency sleeve subassembly.

Background

At present, the radio frequency trocar clinically used for cervical vertebra radio frequency operation is often replaced by a sleeve for lumbar vertebra operation, and a special radio frequency trocar for cervical vertebra operation is not available in the market. Because the lumbar nerve is deep, the sleeve for lumbar radio frequency is generally long, the neck subcutaneous tissue is weak, and the puncture is too deep when the same type of trocars are used for puncture, which causes the unforeseen damage to the neck soft tissue, the important nerve and the great vessel.

The radio frequency trocar commonly used in clinic mainly comprises a radio frequency outer cannula and a common inner core, and the operations of inner core taking out, medicament injection at the tail part of the cannula, repeated taking out and placing of the radio frequency trocar and the like are usually required after the puncture is finished. The risk of needle tip wobble in the tissue or around nerves caused by the trocar tail procedure is inherently reduced due to the abundant subcutaneous tissue in the back of the waist and the more robust dorsal and lumbar muscle constraint. However, due to the weak subcutaneous tissue in the neck, the puncture in the neck by using the same type of cannula may cause the needle body to be kept in place for a long time in vitro, and the subsequent operation may cause the needle point to swing widely in the tissue, thereby increasing the risk of injury to important nerve plexus and great vessels in the neck. Therefore, the radio frequency trocar for the cervical vertebra operation is provided, the operations of puncture, radio frequency, liquid injection and the like are integrated, and the radio frequency trocar has important significance for reducing the injury risk of soft tissues, nerve plexuses and great vessels of the neck.

SUMMERY OF THE UTILITY MODEL

In view of the above analysis, the present invention aims to solve the deficiencies in the prior art and provide an integrated radio frequency sleeve assembly for cervical vertebra surgery, which is simple, efficient and safe to operate, and integrates puncture, radio frequency and liquid injection operation.

The purpose of the utility model is mainly realized through the following technical scheme:

the utility model provides an integrated radio frequency sleeve assembly for cervical vertebra surgery, which comprises a radio frequency outer sleeve with openings at two ends, a liquid injection pipeline communicated with the radio frequency outer sleeve and a radio frequency inner core; the radio frequency inner core is inserted into the radio frequency outer sleeve through one end of the radio frequency outer sleeve; after the radio frequency inner core is inserted in place, medicine is injected through the liquid injection pipeline, and medicine injection and radio frequency effects in the designated area are achieved.

Further, the radio frequency outer sleeve comprises a front sleeve body and a tail connecting cap connected with the front sleeve body; the front end sleeve body comprises a needle point tip, an exposed end, a needle tube and a tube body tail hole which are connected in sequence; the tail connecting cap is connected with the tail hole of the front end sleeve body through a connecting and fixing cap.

Further, the tip end of the needle tip is a bevel needle tip opening; the outside of the needle tube is provided with scale marks.

Furthermore, the radio frequency inner core comprises a radio frequency electrode needle, an electrode tail cap, a lead and a lead interface which are connected in sequence; the length of the radio frequency inner core is matched with that of the radio frequency outer sleeve.

Furthermore, the liquid injection pipeline comprises an inner liquid injection pipeline and an outer liquid injection pipeline, the inner liquid injection pipeline is an inclined pipeline, and the inner liquid injection pipeline comprises a pipeline inner hole, a hard pipe body and a pipeline outer hole; the inner liquid injection pipeline is arranged on one side of the connecting cap at the tail part of the radio frequency outer sleeve and is in the same direction with the inclined plane of the tip end of the needle point; the inner hole of the pipeline is an inclined hole and is arranged below the connecting and fixing cap, and the inner liquid injection pipeline is communicated with the tail connecting cap through the inner hole of the pipeline; the pipeline outer hole is formed in the outer side wall of the tail connecting cap.

Further, the outer liquid injection pipeline comprises a rubber pipe body and a liquid injection port; the external liquid injection pipeline is communicated with the internal liquid injection pipeline through the pipeline outer hole.

Furthermore, the liquid injection port is matched with the syringe, and the interface card is sleeved at the head end of the syringe.

Furthermore, the radio frequency sleeve assembly further comprises a built-in rubber ring, the built-in rubber ring is positioned on two sides of the inner hole of the inner liquid injection pipeline, and the radio frequency inner core is inserted into the radio frequency outer sleeve after passing through the central hole of the built-in rubber ring.

Further, the direction of the inclined plane of the tip end of the needle tip can rotate along with the tail end connecting cap.

Further, the outer diameter of the radio frequency inner core is smaller than the inner diameter of the radio frequency outer sleeve.

Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:

1. the utility model adopts the matched stack formula design, and the components and the length thereof are more suitable for the puncture and the operation in the process of the neck surgery.

2. The utility model discloses outer trocar of radio frequency and radio frequency inner core length all are shorted in used instrument in the lumbar vertebrae radio frequency art, can reduce the puncture too deeply to the important nerve of neck and the potential damage of great vessel.

3. The utility model discloses to puncture, radio frequency and annotate the operation integration an organic whole such as liquid, can reduce the loaded down with trivial details operation flow in original art, improve whole work efficiency.

4. The utility model discloses an integrated type design and functional optimization can show and reduce the radio frequency outer tube that comingles repeatedly of radio frequency inner core in original art to and radio frequency sleeve pipe afterbody direct operation leads to the unpredicted change and the potential swing of sleeve pipe needle point most advanced position in the tissue, have important practical value to the damage risk that reduces neck soft tissue, nerve plexus and great vessel.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the front casing body structure of the RF outer casing of the present invention;

FIG. 3 is a schematic view of the structure of the connection cap and the liquid injection pipe at the end of the RF outer sleeve of the present invention;

fig. 4 is a schematic diagram of the structure of the radio frequency inner core of the present invention.

Reference numerals:

100-radio frequency outer sleeve; 200-a radio frequency inner core; 300-tail connection cap; 110 a-tip; 110 b-bare end; 110 c-needle cannula; 110 d-connecting the locking cap; 200 a-radio frequency electrode needle; 200 b-electrode tail cap; 200 c-wire; 200 d-wire interface; 210 a-the inner bore of the tube; 210 b-a rigid tubular body; 210 c-outer bore of the pipe; 220 b-a rubber tube body; 220 c-a liquid injection port; 240-rubber ring with hole in center; 240 a-central passage of the rubber ring.

Detailed Description

The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.

The embodiment of the utility model is specifically described as follows with reference to the attached figures 1 to 4:

the utility model provides an integrated radio frequency sleeve assembly for cervical vertebra operation, which comprises a radio frequency outer sleeve with openings at two ends, a liquid injection pipeline communicated with the radio frequency outer sleeve and a radio frequency inner core; the radio frequency inner core is inserted into the radio frequency outer sleeve through one end of the radio frequency outer sleeve; after the radio frequency inner core is inserted in place, medicine is injected through the liquid injection pipeline, and medicine injection and radio frequency effects in the designated area are achieved.

The existing common radio frequency trocar mainly comprises a radio frequency outer sleeve and a common inner core, and operations such as inner core extraction, sleeve tail injection, repeated extraction and insertion of the radio frequency trocar and the like are frequently required after puncture is finished. Compared with the prior art, the utility model discloses during the operation, insert the radio frequency inner core and use that the radio frequency outer tube is supporting, can accomplish the puncture under the condition of not having other operations and put the integrated operation of pipe, liquid medicine injection and radio frequency treatment.

Specifically, the radio frequency outer cannula 100 may be made of a nickel titanium alloy material for skin and soft tissue penetration. The radio frequency outer sleeve 100 comprises a front sleeve body and a tail connecting cap 300 connected with the front sleeve body, wherein the front sleeve body comprises a needle tip 110a, an exposed end 110b, a needle tube 110c and a tube body tail hole; the shape of the tail end connection cap 300 can be designed to be a square column structure, the middle part of the tail end connection cap 300 is designed to be hollow and has the same diameter with the radio frequency outer sleeve 100, and the tail end connection cap 300 is connected with the tail hole of the tube body through the connection fixing cap 110 d. In order to guide the puncture depth during operation, the needle tube 110c is provided with scale marks on the outside. In order to guide the inflow direction of the medical solution by the direction of the bevel opening of the needle tip 110a, the needle tip 110a is designed as a bevel-like opening, and the bevel direction is rotatable with the rear connection cap 300. Preferably, the diameter of the radio frequency outer sleeve 100 is set to be 1.2mm, the length of the radio frequency outer sleeve 100 is set to be 5cm, scales are marked on the tube body of the needle tube 110c at intervals of 1cm, and the exposed end 110b is 2mm.

In order to realize the injection of the liquid medicine, the liquid injection pipeline comprises an inner liquid injection pipeline and an outer liquid injection pipeline. The inner liquid injection pipeline is in an inclined cylinder shape and comprises a pipeline inner hole 210a, a hard pipe body 210b and a pipeline outer hole 210c. The inner liquid injection pipeline is arranged on one side of the radio frequency outer sleeve tail connecting cap 300 and is in the same direction with the inclined plane of the needlepoint tip 110a, and the design enables the direction of the needlepoint tip 110a in the tissue to be identified through the direction of the outer hole 210c of the inner liquid injection pipeline. The inner bore 210a of the pipe is an inclined bore, and forms an included angle with the axial direction of the rf outer sleeve 100, preferably, the included angle is 60 °. Is arranged below the connecting and fixing cap 110d, opens into the hollow part of the tail connecting cap 300, and the tail connecting cap 300 is communicated with the inner liquid injection pipeline through the pipeline inner hole 210 a. The duct outer hole 210c is provided at an outer sidewall of the rear connection cap 300. Outer liquid injection pipeline includes rubber shaft 220b and notes liquid mouth 220c, and outer liquid injection pipeline passes through outer hole 210c of pipeline and interior liquid injection pipeline through connection, and the outer hole 210c of pipeline is connected with interior liquid injection pipeline through setting up fixed connection cap 110d and realizing in the outer hole 210c both sides of pipeline. The outer liquid pipeline of annotating can be the rubber material, and the soft flexible of texture is folding, annotates liquid mouth and syringe adaptation, and the interface can be cut in the syringe head end by the cutting ferrule.

Specifically, the rf core 200 is an rf electrode that can be sterilized at high temperature and high pressure, and includes an rf electrode needle 200a, an electrode tail cap 200b, a lead wire 200c, and a lead wire interface 200d. The tail end of the radio-frequency electrode needle 200a is connected with one end of an electrode tail cap 200b, the other end of the electrode tail cap 200b is connected with a lead 200c, and the tail end of the lead 200c is connected with a lead interface 200d. The length of the radio frequency inner core 200 is matched with that of the radio frequency outer sleeve 100, when the radio frequency inner core 200 is operated, the radio frequency inner core 200 is inserted into the radio frequency outer sleeve 100 to be used in a matched mode, in order to avoid the radio frequency inner core 200 sliding out of the radio frequency outer sleeve 100 in the operation process, one end of an electrode tail cap 200b of the radio frequency inner core 200 and a tail connecting cap 300 of the radio frequency outer sleeve 100 are fixedly designed in a clamping groove mode, the end is integrally of a convex, concave plane, triangular convex, concave plane and convex structure which are sequentially connected in a sequential mode, and the middle of the other end of the electrode tail cap is of a trapezoidal convex structure with a hole in the center. The radio frequency core wire interface 200d is a card slot-like interface which can be matched with a conventional interface of a radio frequency host connecting wire, and is tightly connected with the radio frequency host in a socket-like manner, so that the radio frequency core 200 can be used repeatedly. The diameter of the rf inner core 200 is smaller than the diameter of the rf outer sheath 100, so that after the rf inner core 200 is inserted into the rf outer sheath 100, there is sufficient fluid flow gap between the inner core and the inner diameter of the outer sheath, preferably, the fluid flow gap is 0.5mm.

Under the circumstances of guaranteeing that radio frequency inner core 200 inserts smoothly, in order to prevent liquid medicine injection in-process through connecting the palirrhea of cap cavity pipeline, cavity portion is close to interior syringe pipe way hole below and embeds a rubber circle 240 in the radio frequency outer tube afterbody connects the cap cavity, the rubber circle is cylindrical or the infundibulate that open at the center has the through-hole, is cylindrical rubber circle as shown in fig. 3, and the center is rubber circle central pore 240a, designs for cylindric hollow pipeline. During operation, the radio frequency electrode needle passes through the hollow pore channel of the radio frequency outer sleeve tail end connecting cap 300, and is placed into the radio frequency outer sleeve through the central pore channel 240a of the rubber ring with the central hole and the tail hole of the radio frequency outer sleeve body.

Use the utility model discloses a when cervical vertebra is operated with integrated type radio frequency sleeve subassembly and is operated the patient, application method as follows:

during operation, an operator inserts the radio-frequency inner core 200 into the radio-frequency outer sleeve 100 through the central hole 240a of the rubber ring with the central hole and the tube tail hole of the radio-frequency outer sleeve 100 until the radio-frequency inner core electrode tail cap 200b is fixed with the clamping groove of the radio-frequency outer sleeve tail connecting cap 300; the tip 110a of the needle point of the radio frequency outer sleeve penetrates into skin and soft tissue, an outer liquid injection pipeline is connected with an injector, and medicines are injected into a designated area by adjusting the position of the radio frequency outer sleeve 100 and rotating a connecting cap 300 at the tail end of the radio frequency outer sleeve so as to realize local anesthesia and nerve medicine treatment; placing the needle tip 110a at the target nerve part according to the image guidance and the needle tube scale mark indication, and recording the puncture depth; the tail end of the radio frequency inner core lead 200c is fixedly connected with a radio frequency host machine connecting lead interface through a clamping groove, so that nerve sensation, motor stimulation and radio frequency treatment operations are completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (10)

1. An integrated radio frequency sleeve assembly for cervical vertebra surgery is characterized by comprising a radio frequency outer sleeve with openings at two ends, a liquid injection pipeline communicated with the inside of the radio frequency outer sleeve and a radio frequency inner core;

the radio frequency inner core is inserted into the radio frequency outer sleeve through one end of the radio frequency outer sleeve;

after the radio frequency inner core is inserted in place, medicine is injected through the liquid injection pipeline, and medicine injection and radio frequency effects in the designated area are achieved.

2. The radio frequency sleeve assembly as set forth in claim 1, wherein said radio frequency outer sleeve includes a forward sleeve body and a tail connection cap connected thereto;

the front casing body comprises a needle point tip, an exposed end, a needle tube and a tube body tail hole which are connected in sequence;

the tail connecting cap is connected with the tail hole of the pipe body of the front casing body through a connecting and fixing cap.

3. The radio frequency cannula assembly of claim 2, wherein the needle tip is a beveled needle-like opening; the outside of the needle tube is provided with scale marks.

4. The radio frequency sleeve assembly according to claim 1, wherein said radio frequency core includes a radio frequency electrode pin, an electrode tail cap, a lead wire and a lead wire interface connected in sequence; the length of the radio frequency inner core is matched with that of the radio frequency outer sleeve.

5. The radio frequency sleeve assembly according to claim 2, wherein the injection conduit comprises an inner injection conduit and an outer injection conduit, the inner injection conduit is a tapered conduit, the inner injection conduit comprises a conduit inner bore, a rigid tube body and a conduit outer bore;

the inner liquid injection pipeline is arranged on one side of the connecting cap at the tail part of the radio frequency outer sleeve and is in the same direction with the inclined plane of the tip end of the needle point;

the inner hole of the pipeline is an inclined hole and is arranged below the connecting and fixing cap, and the inner liquid injection pipeline is communicated with the tail connecting cap through the inner hole of the pipeline;

the pipeline outer hole is formed in the outer side wall of the tail connecting cap.

6. The radio frequency sleeve assembly according to claim 5, wherein the outer fluid injection conduit includes a rubber tube body and an injection port;

the outer liquid injection pipeline is communicated with the inner liquid injection pipeline through the pipeline outer hole.

7. A radio frequency sleeve assembly as set forth in claim 6, wherein said injection port is adapted to receive a syringe, and an interface card is fitted to a tip of the syringe.

8. The radio frequency sleeve assembly according to claim 6, further comprising an internal rubber ring, wherein the internal rubber ring is positioned at two sides of the inner pipe hole of the internal injection pipe, and the radio frequency inner core is inserted into the radio frequency outer sleeve through a central hole of the internal rubber ring.

9. A radio frequency cannula assembly as in claim 2, wherein the bevel of the needle tip is oriented to rotate with the tail connector cap.

10. The radio frequency sleeve assembly of claim 1 wherein said radio frequency inner core outer diameter is smaller than a radio frequency outer sleeve inner diameter.

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