CN109820593B - Cyst treatment device based on ablation - Google Patents
Cyst treatment device based on ablation Download PDFInfo
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- CN109820593B CN109820593B CN201910263115.2A CN201910263115A CN109820593B CN 109820593 B CN109820593 B CN 109820593B CN 201910263115 A CN201910263115 A CN 201910263115A CN 109820593 B CN109820593 B CN 109820593B
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- 208000031513 cyst Diseases 0.000 title claims abstract description 37
- 206010011732 Cyst Diseases 0.000 title claims abstract description 34
- 238000002679 ablation Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 17
- 239000007924 injection Substances 0.000 claims abstract description 17
- 239000004848 polyfunctional curative Substances 0.000 claims abstract description 17
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 230000005284 excitation Effects 0.000 claims description 46
- 239000002184 metal Substances 0.000 claims description 19
- 210000001503 joint Anatomy 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000001225 therapeutic effect Effects 0.000 abstract description 4
- 238000007674 radiofrequency ablation Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000028327 secretion Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000002726 cyst fluid Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 208000026292 Cystic Kidney disease Diseases 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
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- Surgical Instruments (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention provides a cyst therapeutic device based on ablation, which comprises a puncture tube, a radio frequency conductive tube, an outer protective tube and a central guide rod; the puncture tube is inserted into the outer protective tube; a sealing end head is arranged at the pipe orifice at the upper end of the puncture pipe, and a negative pressure pipe communicated with the puncture pipe is arranged on the sealing end head; the radio frequency conductive tube penetrates through the sealing end head and is vertically inserted into the puncture tube; the upper end of the radio frequency conductive tube is provided with a radio frequency signal access end, and the lower end of the radio frequency conductive tube is provided with a radio frequency end; the central guide rod is vertically inserted into the radio frequency conductive tube, and a hardening agent injection pore is formed in the central guide rod along the axial direction of the central guide rod in a penetrating manner. The cyst treatment device based on ablation utilizes a hardener injector to realize quantitative injection of hardener; the arrangement of the sealing end head and the negative pressure pipe can facilitate the discharge of liquid in the cyst; the radio frequency end head can be used for realizing radio frequency ablation of the spherical inner cavity.
Description
Technical Field
The invention relates to a cyst treatment device, in particular to a cyst treatment device based on ablation.
Background
At present, many substantial organ cysts such as liver cysts and kidney cyst have quite high incidence rate, are benign diseases, but develop rapidly, can generate a series of damage and complications on organisms, and are often subjected to treatment methods such as surgical excision, windowing, roof removal and the like, but have large surgical wounds and high cost. In recent years, the technology of puncturing and injecting absolute alcohol or hardening agent under the guidance of images has small trauma, low cost and quick recovery, but the secretion function of the cell of the capsule wall is difficult to thoroughly control, so the disease is easy to relapse, and great treatment pain and trouble are brought to the patient. Therefore, it is necessary to design a treatment method capable of achieving the operation effect and having little trauma to the organism, and the method can utilize image guided puncture to absorb the cyst fluid, utilize high temperature ablation to destroy the secretion function of the cyst wall cells, and inject the hardening agent after ablation to thoroughly eliminate the cyst, thereby effectively reducing the treatment pain of tumor patients, being beneficial to the recovery of the patients, reducing the recurrence rate and improving the curative effect.
Disclosure of Invention
The invention aims at: the cyst therapeutic device based on the ablation can conduct image guided puncture to absorb cyst fluid, destroy the secretion function of cyst wall cells by high-temperature ablation, thoroughly eliminate cysts by injecting a hardening agent after ablation, effectively reduce the treatment pain of tumor patients, facilitate the recovery of patients, reduce the recurrence rate and improve the curative effect.
In order to achieve the aim of the invention, the invention provides a cyst therapeutic device based on ablation, which comprises a puncture tube, a radio frequency conductive tube, an outer protective tube and a central guide rod; the puncture tube is inserted into the outer protective tube; the lower pipe orifice of the puncture pipe is arranged as a bevel puncture; a sealing end head is arranged at the pipe orifice at the upper end of the puncture pipe, and a negative pressure pipe communicated with the puncture pipe is arranged on the sealing end head; the radio frequency conductive tube penetrates through the sealing end head and is vertically inserted into the puncture tube; the upper end of the radio frequency conductive tube is provided with a radio frequency signal access end, and the lower end of the radio frequency conductive tube is provided with a radio frequency end; the central guide rod is vertically inserted into the radio frequency conductive tube, a sealing ring is arranged at the insertion position, and a hardening agent injection pore is formed in the central guide rod in a penetrating manner along the axial direction of the central guide rod.
Further, a hardener injector is included; the hardener injector is butt-mounted on the upper end of the center guide bar and communicates with the upper orifice of the hardener injection pore.
Further, the hardener injector comprises a transparent liquid storage cylinder, a piston head and a piston rod; a liquid outlet pipe is arranged at one end of the transparent liquid storage cylinder, butt-joint mounting external threads are arranged on the outer pipe wall of the liquid outlet pipe, and a sealing ring is arranged at the pipe orifice of the liquid outlet pipe; a pushing drive nut is arranged at the other end of the transparent liquid storage cylinder; a propulsion driving external thread is arranged on the piston rod; the piston rod is screwed on the propulsion drive nut through the propulsion drive external thread; the piston head is rotatably arranged on one end part of the piston rod, and a rotary driving handle is arranged on the other end part of the piston rod; the piston head is embedded in the transparent liquid storage cylinder and is clung to the inner cylinder wall of the transparent liquid storage cylinder; the outer wall of the transparent liquid storage cylinder is provided with liquid amount scale marks; the upper end part of the central guide rod is provided with a butt joint end head, and the butt joint end head is provided with a butt joint threaded hole which is in butt joint with the liquid outlet pipe.
Further, a depth scale line is provided on an upper end portion of the center guide bar.
Further, the radio frequency end head comprises a fixed disc, a tension spring, a round end head and six radio frequency metal strips; the fixed disc is fixedly arranged on the lower end part of the radio frequency conductive tube; the upper ends and the lower ends of the six radio frequency metal strips are respectively and fixedly arranged on the fixed disc and the round end, the upper ends of the six radio frequency metal strips are positioned at six equally-divided points of the circumferential edge of the lower side surface of the fixed disc, and the lower ends of the six radio frequency metal strips are positioned at six equally-divided points of the circumferential edge of the upper side surface of the round end; the upper end and the lower end of the tension spring are respectively and fixedly arranged at the centers of the fixed disc and the round end; the lower side of the round end is provided with an arc surface.
Further, the lower end part of the central guide rod sequentially penetrates through the fixed disc and the tension spring and is fixedly arranged at the center of the upper side surface of the round end head; the central guide rod is in clearance fit at the penetrating position of the fixed disc; a liquid outlet hole is arranged at the lower end part of the central guide rod and close to the round end head; the liquid outlet hole is communicated with the hardening agent injection pore.
Further, a puncture exciter is arranged on the puncture tube; the puncture exciter comprises an excitation pressure spring, a handle rod and a release mechanism; a supporting disc is fixedly arranged on the outer pipe wall of the puncture pipe; a sliding sleeve is arranged in the middle of the handle rod; the sliding sleeve is sleeved on the upper end part of the puncture tube, and the handle rod is positioned above the supporting disc; the excitation pressure spring is sleeved on the puncture tube, and the upper end and the lower end of the excitation pressure spring are elastically supported between the handle rod and the supporting disc; the release mechanism comprises a rebound pressure spring, a swinging rod and an excitation rod; one end of the swinging rod is hinged on the handle rod through a hinge seat in a swinging way; the other end of the swinging rod is provided with a clamping elbow clamped on the circumferential edge of the supporting disc; the excitation rod is vertically fixed in the middle of the swing rod; the rebound pressure spring is elastically supported between the handle rod and the excitation rod, and two ends of the rebound pressure spring are fixedly installed through limiting convex columns respectively; the rebound pressure spring pushes the excitation rod to enable the swing rod to swing towards the supporting disc.
Further, an excitation limiting external thread is arranged on the outer wall of the upper end of the puncture tube; an excitation limiting nut is screwed on the excitation limiting external thread; the excitation limit nut is positioned above the upper pipe orifice of the sliding sleeve.
Further, a protective mounting seat is fixedly arranged on the handle rod, and a T-shaped mounting groove is formed in the protective mounting seat; a T-shaped protection block is inserted into the T-shaped mounting groove; the T-shaped protection block is provided with a protection jack; the end part of the excitation rod is inserted into the protection jack; two insulating limiting rings are arranged on the inner side pipe wall of the puncture pipe; a conical non-return cover which is shrink-wrapped to the outer wall of the radio frequency conductive tube is arranged on the upper annular surface of the insulating limiting ring; the conical non-return cover is of an elastic rubber structure and is used for preventing liquid from flowing downwards along a gap between the puncture tube and the radio frequency conductive tube.
Further, a limit support is arranged on the outer protective tube; the limit support consists of two clamping assemblies and clamping springs; the clamping assembly consists of a semicircular supporting plate, a clamping handle and a clamping arc plate; a semicircular notch is arranged at the center of the semicircular supporting plate, and the diameter of the semicircular notch is larger than or equal to the outer diameter of the outer protection pipe; the clamping handle is arranged on the semicircular supporting plate and is tilted upwards from the upper side surface of the semicircular supporting plate; the clamping handles are provided with hinged mounting blocks, and the two clamping handles are mounted together through the hinged mounting blocks; the clamping arc plate is vertically arranged on the upper side surface of the semicircular supporting plate and is positioned at the semicircular notch; a rubber anti-slip pad is arranged on the inner cambered surface of the clamping cambered plate; positioning convex columns are arranged on the opposite inner sides of the two clamping handles, and two ends of the clamping spring are arranged on the two positioning convex columns; the tail ends of the two clamping handles are pushed by the clamping springs to be separated, the two semicircular supporting plates are combined into a circular supporting plate, the two clamping arc plates are combined into a circular tube shape, and the outer wall of the outer protection tube is clamped and fixed by the rubber anti-skid pad.
The beneficial effects of the invention are as follows: the quantitative injection of the hardening agent is realized by using a hardening agent injector; the puncture exciter can be used for puncture excitation, and the puncture depth is adjusted by using the excitation limit nut; the arrangement of the sealing end head and the negative pressure pipe can facilitate the discharge of liquid in the cyst; the radio frequency end head can be used for realizing radio frequency ablation of the spherical inner cavity.
Drawings
FIG. 1 is a schematic view of a partially sectioned structure of the present invention;
FIG. 2 is a schematic view of a spacing supporter according to the present invention;
fig. 3 is a schematic view of the structure of the hardener injector of the present invention.
Detailed Description
As shown in fig. 1 to 3, the cyst treatment device based on ablation provided by the invention comprises: a puncture tube 1, a radio frequency conductive tube 2, an outer protective tube 44 and a central guide rod 5; the puncture tube 1 is inserted in the outer protective tube 44; the lower pipe orifice of the puncture pipe 1 is arranged as a bevel puncture 9; a sealing end head 25 is arranged at the pipe orifice at the upper end of the puncture pipe 1, and a negative pressure pipe 26 communicated with the puncture pipe 1 is arranged on the sealing end head 25; the radio frequency conductive tube 2 is vertically inserted into the puncture tube 1 after penetrating through the sealing end head 25; a radio frequency signal access end is arranged at the upper end of the radio frequency conductive tube 2, and a radio frequency end is arranged at the lower end of the radio frequency conductive tube 2; the central guide rod 5 is vertically inserted into the radio frequency conductive tube 2, a sealing ring is arranged at the insertion position, and a hardening agent injection pore is arranged on the central guide rod 5 along the axial direction of the central guide rod. The puncture treatment can be realized by utilizing the beveling puncture 9 without performing operation treatment, so that the treatment pain of a tumor patient can be effectively reduced, the recovery of the patient is facilitated, the recurrence rate is reduced, and the curative effect is improved; the arrangement of the sealing end head 25 and the negative pressure tube 26 can suck out the liquid in the cyst after puncture, so that the subsequent ablation is facilitated; the use of the hardener injection holes on the central guide rod 5 can facilitate the injection of hardener after ablation; the radio frequency conductive tube 2 can be used for transmitting radio frequency signals to the radio frequency end.
Further, a hardener injector is included; the hardener injector is butt-mounted on the upper end of the center guide bar 5 and communicates with the upper orifice of the hardener injection pore.
Further, the hardener injector includes a transparent liquid cylinder 30, a piston head 33, and a piston rod 34; a liquid outlet pipe 31 is arranged at one end of the transparent liquid storage cylinder 30, butt-joint mounting external threads are arranged on the outer pipe wall of the liquid outlet pipe 31, and a sealing ring 32 is arranged at the pipe orifice of the liquid outlet pipe 31; a push drive nut 35 is arranged at the other end of the transparent liquid storage cylinder 30; a push drive external thread 36 is provided on piston rod 34; piston rod 34 is mounted on propulsion drive nut 35 by propulsion drive external thread 36; the piston head 33 is rotatably mounted on one end portion of the piston rod 34, and a rotation driving knob 37 is provided on the other end portion of the piston rod 34; the piston head 33 is embedded in the transparent liquid storage cylinder 30 and is tightly attached to the inner cylinder wall of the transparent liquid storage cylinder 30; liquid amount graduation marks 38 are arranged on the outer wall of the transparent liquid storage cylinder 30; a butt joint end 29 is provided at the upper end of the center guide rod 5, and a butt joint screw hole for butt joint with the liquid outlet pipe 31 is provided at the butt joint end 29. By the cooperation of the driving male screw 36 and the driving nut 35, the expansion and contraction amount of the piston rod 34 can be accurately controlled, thereby effectively controlling the injection amount of the hardening agent.
Further, a depth scale 28 is provided on the upper end of the center guide bar 5. The size of the cyst cavity after ablation and shrinkage can be measured by using the depth scale marks 28, and the insertion depth of the center guide rod 5 directly reflects the size of the ellipsoid supported by the six radio frequency metal strips 4, and the inner wall of the cyst after ablation is shrunk to be close to the six radio frequency metal strips 4, so that a doctor can conveniently judge the amount of the injected hardening agent.
Further, the radio frequency end head comprises a fixed disc 3, a tension spring 6, a round end head 7 and six radio frequency metal strips 4; the fixed disc 3 is fixedly arranged on the lower end part of the radio frequency conductive tube 2; the upper ends and the lower ends of the six radio frequency metal strips 4 are respectively and fixedly arranged on the fixed disc 3 and the round end head 7, the upper ends of the six radio frequency metal strips 4 are positioned at 1 six equally-divided points of the circumferential edge of the lower side surface of the fixed disc 3, and the lower ends of the six radio frequency metal strips 4 are positioned at six equally-divided points of the circumferential edge of the upper side surface of the round end head 7; the upper end and the lower end of the tension spring 6 are respectively and fixedly arranged at the centers of the fixed disc 3 and the round end 7; the lower side of the round end head 7 is provided with an arc surface. The fixed disc 3 can be used for uniformly dispersing radio frequency signals to six radio frequency metal strips 4; by pulling the tension spring 6, six radio frequency metal strips 4 can form an ellipsoidal support between the fixed disc 3 and the round end 7, so that the inner cavity of the cyst is propped up and the inner wall is close to the six radio frequency metal strips 4, and a good ablation effect is achieved; the lower side surface of the round end head 7 is provided with an arc surface, so that the over sharp end surface can be prevented from puncturing the inner wall of the cyst.
Further, the lower end part of the central guide rod 5 sequentially penetrates through the fixed disc 3 and the tension spring 6 and is fixedly arranged at the center of the upper side surface of the round end head 7; the central guide rod 5 is in clearance fit at the penetrating position of the fixed disc 3; a liquid outlet hole 8 is arranged at the lower end part of the central guide rod 5 and near the round end head 7; the liquid outlet hole 8 is communicated with the hardening agent injection pore. The hardening agent can be injected from the bottom of the inner cavity of the cyst by utilizing the liquid outlet hole 8 arranged at the end part; the central guide rod penetrates through the tension spring 6 to play a role in telescopic guide on the tension spring 6, so that the ellipsoidal cavity supported by the six radio frequency metal strips 4 cannot be inclined.
Further, a puncture exciter is arranged on the puncture tube 1; the puncture exciter comprises an excitation pressure spring 14, a handle rod 12 and a release mechanism; a supporting disc 13 is fixedly arranged on the outer tube wall of the puncture tube 1; a sliding sleeve 24 is arranged in the middle of the handle bar 12; the sliding sleeve 24 is sleeved on the upper end part of the puncture tube 1, and the handle rod 12 is positioned above the supporting disc 13; the excitation pressure spring 14 is sleeved on the puncture tube 1, and the upper end and the lower end of the excitation pressure spring are elastically supported between the handle rod 12 and the supporting disc 13; the release mechanism comprises a rebound pressure spring 21, a swinging rod 15 and an excitation rod 17; one end of the swinging rod 15 is hinged on the handle rod 12 in a swinging way through a hinging seat 27; a clamping elbow 16 which is clamped on the circumferential edge of the supporting disc 13 is arranged at the other end of the swinging rod 15; the excitation rod 17 is vertically fixed in the middle of the swinging rod 15; the rebound pressure spring 21 is elastically supported between the handle rod 12 and the excitation rod 17, and two ends of the rebound pressure spring are fixedly installed through limiting convex columns 20 respectively; the rebound compression spring 21 pushes the excitation rod 17 to enable the swinging rod 15 to swing towards the supporting disc 13. The structure of the supporting disc 13, the swinging rod 15 and the buckling elbow 16 can be utilized to realize locking before excitation, and buckling can be carried out during rotation; the excitation rod 17 can be pushed all the time by the rebound compression spring 21, so that the swinging rod 15 has swinging force to the supporting disc 13; the sliding sleeve 24 can facilitate the axial puncture sliding of the puncture tube 1.
Further, an excitation limiting external thread 23 is arranged on the outer wall of the upper end of the puncture tube 1; an excitation limiting nut 22 is screwed on the excitation limiting external thread 23; the firing limit nut 22 is located above the upper nozzle of the slip sleeve 24. The stroke amount of puncture excitation can be limited by utilizing the cooperation of the excitation limiting external thread 23 and the excitation limiting nut 22, so that the excitation puncture is effectively prevented from being uncontrollable, and the use safety is ensured.
Further, a protective mounting seat 19 is fixedly arranged on the handle rod 12, and a T-shaped mounting groove is formed in the protective mounting seat 19; a T-shaped protection block 18 is inserted into the T-shaped mounting groove; a protection jack is arranged on the T-shaped protection block 18; the end part of the excitation rod 17 is inserted into the protection jack; two insulating limiting rings 10 are arranged on the inner side pipe wall of the puncture pipe 1; a conical non-return cover 11 which is shrink-wrapped towards the outer wall of the radio frequency conductive tube 2 is arranged on the upper annular surface of the insulating limiting ring 10; the conical non-return cover 11 is of an elastic rubber structure and is used for preventing liquid from flowing downwards along the gap between the puncture tube 1 and the radio frequency conductive tube 2. The excitation rod 17 can be positioned when puncture is not excited by utilizing the functions of the protection mounting seat 19 and the T-shaped protection block 18, false triggering is prevented, and the use safety is ensured; the liquid can be prevented from flowing back downwards along the gap between the puncture tube 1 and the radio frequency conductive tube 2 by utilizing the functions of the insulating limiting ring 10 and the conical non-return cover 11.
Further, a limit supporter is installed on the outer sheath 44; the limit support consists of two clamping assemblies and a clamping spring 43; the clamping assembly consists of a semicircular supporting plate 39, a clamping handle 40 and a clamping arc plate 41; a semicircular notch is arranged at the center of the semicircular supporting plate 39, and the diameter of the semicircular notch is larger than or equal to the outer diameter of the outer protective tube 44; the clamping handle 40 is arranged on the semicircular supporting plate 39, and the clamping handle 40 is tilted upwards from the upper side surface of the semicircular supporting plate 39; a hinged mounting block 45 is arranged on the clamping handles 40, and the two clamping handles 40 are mounted together through the hinged mounting block 45; the clamping arc plate 41 is vertically arranged on the upper side surface of the semicircular supporting plate 39 and is positioned at the semicircular notch; a rubber anti-slip pad 42 is arranged on the inner cambered surface of the clamping cambered plate 41; positioning convex columns 46 are arranged on the opposite inner sides of the two clamping handles 40, and two ends of the clamping spring 43 are arranged on the two positioning convex columns 46; the clamping springs 43 push the tail ends of the two clamping handles 40 to be separated, so that the two semicircular support plates 39 are combined into a circular support plate, the two clamping arc plates 41 are combined into a circular tube shape, and the outer wall of the outer protection tube 44 is clamped and fixed by the rubber anti-skid pad 42. The circular support plate formed by the limit support device can be supported on the skin of the surface of a human body to effectively control the insertion depth; the support fixing position can be adjusted up and down conveniently by the action of the two clamping handles 40.
When the cyst therapeutic device based on ablation is used, the insertion depth of the outer protective tube 44 is adjusted by the limit support, and the limit support is carried out, so that the subsequent ablation and the stability of the injected hardening agent are facilitated; the quantitative injection of the hardening agent is realized by using the hardening agent injector, and the injection quantity is indicated according to the liquid quantity scale mark 38; the puncture exciter can be used for puncture excitation, and the excitation limit nut 22 is used for adjusting the puncture depth, so that the use safety is ensured; the arrangement of the sealing end head 25 and the negative pressure pipe 26 can facilitate the discharge of liquid in the cyst; the radio frequency end head can be used for realizing radio frequency ablation of the spherical inner cavity, is clung to the inner wall of the cyst, and has a good ablation effect; the size of the cyst cavity after ablation and shrinkage can be measured by using the depth scale marks 28, and the insertion depth of the center guide rod 5 directly reflects the size of the ellipsoid supported by the six radio frequency metal strips 4, so that a doctor can conveniently judge the amount of the injected hardening agent.
Claims (10)
1. Cyst treatment device based on ablation, its characterized in that: comprises a puncture tube (1), a radio frequency conductive tube (2), an outer protective tube (44) and a central guide rod (5); the puncture tube (1) is inserted in the outer protective tube (44); the lower pipe orifice of the puncture pipe (1) is arranged as a bevel puncture (9); a sealing end head (25) is arranged at the pipe orifice at the upper end of the puncture pipe (1), and a negative pressure pipe (26) communicated with the puncture pipe (1) is arranged on the sealing end head (25); the radio frequency conductive tube (2) is vertically inserted into the puncture tube (1) after penetrating through the sealing end head (25); a radio frequency signal access end is arranged at the upper end of the radio frequency conductive tube (2), and a radio frequency end is arranged at the lower end of the radio frequency conductive tube (2); the central guide rod (5) is vertically inserted into the radio frequency conductive tube (2), a sealing ring is arranged at the insertion position, and a hardening agent injection pore is formed in the central guide rod (5) along the axial direction of the central guide rod in a penetrating manner.
2. The ablative-based cyst treatment device of claim 1, wherein: also comprises a hardener injector; the hardener injector is butt-mounted on the upper end of the central guide rod (5) and communicates with the upper orifice of the hardener injection pore.
3. The ablative-based cyst treatment device of claim 2, wherein: the hardener injector comprises a transparent liquid storage cylinder (30), a piston head (33) and a piston rod (34); a liquid outlet pipe (31) is arranged at one end of the transparent liquid storage cylinder (30), butt joint mounting external threads are arranged on the outer pipe wall of the liquid outlet pipe (31), and a sealing ring (32) is arranged at the pipe orifice of the liquid outlet pipe (31); a pushing drive nut (35) is arranged at the other end of the transparent liquid storage cylinder (30); a push driving external thread (36) is arranged on the piston rod (34); the piston rod (34) is screwed on the pushing drive nut (35) through the pushing drive external thread (36); the piston head (33) is rotatably mounted on one end of the piston rod (34), and a rotary driving handle (37) is arranged on the other end of the piston rod (34); the piston head (33) is embedded in the transparent liquid storage cylinder (30) and is tightly attached to the inner cylinder wall of the transparent liquid storage cylinder (30); liquid amount graduation marks (38) are arranged on the outer cylinder wall of the transparent liquid storage cylinder (30); a butt joint end (29) is arranged at the upper end part of the central guide rod (5), and a butt joint threaded hole which is in butt joint with the liquid outlet pipe (31) is arranged on the butt joint end (29).
4. The ablative-based cyst treatment device of claim 2, wherein: a depth scale mark (28) is arranged on the upper end part of the central guide rod (5).
5. The ablative-based cyst treatment device of claim 1, wherein: the radio frequency end head comprises a fixed disc (3), a tension spring (6), a round end head (7) and six radio frequency metal strips (4); the fixed disc (3) is fixedly arranged on the lower end part of the radio frequency conductive tube (2); the upper ends and the lower ends of the six radio frequency metal strips (4) are respectively and fixedly arranged on the fixed disc (3) and the round end head (7), the upper ends of the six radio frequency metal strips (4) are positioned at 1 six equal dividing points of the circumferential edge of the lower side surface of the fixed disc (3), and the lower ends of the six radio frequency metal strips (4) are positioned at six equal dividing points of the circumferential edge of the upper side surface of the round end head (7); the upper end and the lower end of the tension spring (6) are respectively and fixedly arranged at the centers of the fixed disc (3) and the round end (7); the lower side surface of the round end head (7) is provided with an arc surface.
6. The ablative-based cyst treatment device of claim 5, wherein: the lower end part of the central guide rod (5) sequentially penetrates through the fixed disc (3) and the tension spring (6) and is fixedly arranged at the center of the upper side surface of the round end head (7); the central guide rod (5) is in clearance fit at the penetrating position of the fixed disc (3); a liquid outlet hole (8) is arranged at the lower end part of the central guide rod (5) and close to the round end head (7); the liquid outlet hole (8) is communicated with the hardening agent injection pore.
7. The ablative-based cyst treatment device of claim 1, wherein: a puncture exciter is arranged on the puncture tube (1); the puncture exciter comprises an excitation pressure spring (14), a handle rod (12) and a release mechanism; a supporting disc (13) is fixedly arranged on the outer tube wall of the puncture tube (1); a sliding sleeve (24) is arranged in the middle of the handle rod (12); the sliding sleeve (24) is sleeved on the upper end part of the puncture tube (1), and the handle rod (12) is positioned above the supporting disc (13); the excitation pressure spring (14) is sleeved on the puncture tube (1), and the upper end and the lower end of the excitation pressure spring are elastically supported between the handle rod (12) and the supporting disc (13); the release mechanism comprises a rebound pressure spring (21), a swinging rod (15) and an excitation rod (17); one end of the swinging rod (15) is hinged on the handle rod (12) in a swinging way through a hinging seat (27); a clamping elbow (16) clamped on the circumferential edge of the supporting disc (13) is arranged at the other end of the swinging rod (15); the excitation rod (17) is vertically fixed in the middle of the swinging rod (15); the rebound pressure spring (21) is elastically supported between the handle rod (12) and the excitation rod (17), and two ends of the rebound pressure spring are fixedly installed through limiting convex columns (20) respectively; the rebound compression spring (21) pushes the excitation rod (17) to enable the swinging rod (15) to swing towards the supporting disc (13).
8. The ablative-based cyst treatment device of claim 7, wherein: an excitation limiting external thread (23) is arranged on the outer wall of the upper end of the puncture tube (1); an excitation limiting nut (22) is screwed on the excitation limiting external thread (23); the excitation limit nut (22) is positioned above the upper pipe orifice of the sliding sleeve (24).
9. The ablative-based cyst treatment device of claim 7, wherein: a protective mounting seat (19) is fixedly arranged on the handle rod (12), and a T-shaped mounting groove is formed in the protective mounting seat (19); t-shaped protective blocks (18) are inserted into the T-shaped mounting grooves; a protection jack is arranged on the T-shaped protection block (18); the end part of the excitation rod (17) is inserted into the protection jack; two insulating limiting rings (10) are arranged on the inner side pipe wall of the puncture pipe (1); a conical non-return cover (11) which is shrunk and wrapped towards the outer wall of the radio frequency conductive tube (2) is arranged on the upper annular surface of the insulating limiting ring (10); the conical non-return cover (11) is of an elastic rubber structure and is used for preventing liquid from flowing downwards along a gap between the puncture tube (1) and the radio frequency conductive tube (2).
10. The ablative-based cyst treatment device of claim 1, wherein: a limit support is arranged on the outer protective tube (44); the limit support consists of two clamping assemblies and a clamping spring (43); the clamping assembly consists of a semicircular supporting plate (39), a clamping handle (40) and a clamping arc plate (41); a semicircular notch is arranged at the center of the semicircular supporting plate (39), and the diameter of the semicircular notch is larger than or equal to the outer diameter of the outer protection tube (44); the clamping handle (40) is arranged on the semicircular supporting plate (39), and the clamping handle (40) is tilted upwards from the upper side surface of the semicircular supporting plate (39); a hinged mounting block (45) is arranged on the clamping handles (40), and the two clamping handles (40) are mounted together through the hinged mounting block (45); the clamping arc plate (41) is vertically arranged on the upper side surface of the semicircular supporting plate (39) and is positioned at the semicircular notch; a rubber anti-slip pad (42) is arranged on the inner cambered surface of the clamping cambered plate (41); positioning convex columns (46) are arranged on the opposite inner sides of the two clamping handles (40), and two ends of the clamping springs (43) are arranged on the two positioning convex columns (46); the tail ends of the two clamping handles (40) are pushed to be separated by the clamping springs (43), the two semicircular supporting plates (39) are combined into a circular supporting plate, the two clamping arc plates (41) are combined into a circular tube shape, and the outer wall of the outer protection tube (44) is clamped and fixed by the rubber anti-skid pad (42).
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| CN201910263115.2A CN109820593B (en) | 2019-04-02 | 2019-04-02 | Cyst treatment device based on ablation |
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|---|---|---|---|
| CN201910263115.2A CN109820593B (en) | 2019-04-02 | 2019-04-02 | Cyst treatment device based on ablation |
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| CN109820593B true CN109820593B (en) | 2024-03-29 |
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| CN104027168A (en) * | 2014-06-20 | 2014-09-10 | 章建全 | Microwave ablation needle antenna with infusion structure for curing cyst |
| CN204910250U (en) * | 2015-09-18 | 2015-12-30 | 刘锦峰 | Pseudocyst of auricle negative pressure drainage device |
| CN208389156U (en) * | 2017-12-11 | 2019-01-18 | 任洪 | A kind of tumour one-step method puncture drainage hardening external member |
| CN209826960U (en) * | 2019-04-02 | 2019-12-24 | 江苏省肿瘤医院 | Cyst treatment device based on ablation |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104027168A (en) * | 2014-06-20 | 2014-09-10 | 章建全 | Microwave ablation needle antenna with infusion structure for curing cyst |
| CN204910250U (en) * | 2015-09-18 | 2015-12-30 | 刘锦峰 | Pseudocyst of auricle negative pressure drainage device |
| CN208389156U (en) * | 2017-12-11 | 2019-01-18 | 任洪 | A kind of tumour one-step method puncture drainage hardening external member |
| CN209826960U (en) * | 2019-04-02 | 2019-12-24 | 江苏省肿瘤医院 | Cyst treatment device based on ablation |
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