CN108852475B - Disposable visual brain puncture guiding device - Google Patents
Disposable visual brain puncture guiding device Download PDFInfo
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- CN108852475B CN108852475B CN201810824686.4A CN201810824686A CN108852475B CN 108852475 B CN108852475 B CN 108852475B CN 201810824686 A CN201810824686 A CN 201810824686A CN 108852475 B CN108852475 B CN 108852475B
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- 210000004556 brain Anatomy 0.000 title claims abstract description 21
- 230000000007 visual effect Effects 0.000 title claims abstract description 11
- 238000011010 flushing procedure Methods 0.000 claims abstract description 43
- 238000012800 visualization Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000003814 drug Substances 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 230000035515 penetration Effects 0.000 claims description 8
- 210000005036 nerve Anatomy 0.000 claims description 6
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 210000005013 brain tissue Anatomy 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 208000000386 Hypertensive Intracranial Hemorrhage Diseases 0.000 abstract description 3
- 206010061213 Iatrogenic injury Diseases 0.000 abstract description 3
- 206010053942 Cerebral haematoma Diseases 0.000 abstract description 2
- 208000037816 tissue injury Diseases 0.000 abstract description 2
- 239000012780 transparent material Substances 0.000 abstract 1
- 206010018852 Haematoma Diseases 0.000 description 10
- 239000000306 component Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 238000005406 washing Methods 0.000 description 4
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007428 craniotomy Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007917 intracranial administration Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 208000028399 Critical Illness Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 208000035965 Postoperative Complications Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012277 endoscopic treatment Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- 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
- A61M3/00—Medical syringes, e.g. enemata; Irrigators
- A61M3/02—Enemata; Irrigators
- A61M3/0279—Cannula; Nozzles; Tips; their connection means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B2017/3437—Cannulas with means for removing or absorbing fluid, e.g. wicks or absorbent pads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
- A61B2017/3456—Details of tips blunt
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a disposable visual brain puncture guiding device used for an intracerebral hematoma removal operation in treating hypertensive cerebral hemorrhage, which comprises a puncture inner core assembly, a limit sleeve assembly and a holding flushing sleeve assembly, wherein the puncture inner core assembly is sleeved in the limit sleeve assembly, the limit sleeve assembly is sleeved with the limit sleeve assembly through an inclined opening at the outer end of the holding flushing sleeve assembly, the puncture inner core assembly, the limit sleeve assembly and the holding flushing sleeve assembly are made of transparent materials, surrounding tissues can be clearly observed in the puncture and operation process, the puncture success rate is improved, and iatrogenic injury is reduced; the direction and depth of the sheath tube in the cranium can be adjusted by supporting the second adjusting arm; the second adjusting arm can be externally connected with a medical snake-shaped retractor for fixation; can expand for the second time, and avoid the damage caused by the overlarge primary expansion. The invention has the advantages of visualization, good flexibility and stability, strong practicality, simple operation, low cost and the like, and can reduce brain tissue injury.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a disposable visual brain puncture guiding device used for an intracerebral hematoma removal operation in treating hypertensive cerebral hemorrhage.
Background
The hypertensive cerebral hemorrhage is a common critical illness in the internal and external nerves, and has the characteristics of high death rate, high disability rate and the like. Craniotomy hematoma removal is one of the important means for treating cerebral hemorrhage, but traditional craniotomy has large surgical trauma, difficult removal of the hematoma on the edge and many postoperative complications. With the progress of endoscopic equipment and the gradual maturation of the cerebral hemorrhage endoscopic treatment technology, the endoscopic minimally invasive treatment of cerebral hemorrhage is receiving more and more attention, and has the advantages of short operation time, small wound, quick postoperative recovery and the like.
At present, the neuroendoscopic technology is widely developed in developed countries and gradually popularized in China, but the existing endoscopic sheath tube in the market has a plurality of defects, such as blindness in hematoma puncture process, positioning software such as navigation and the like are used for assisting in puncture, but peripheral tissue structures cannot be observed in the puncture process, and iatrogenic injury and puncture failure are still easy to cause; the inner diameter of the puncture sheath tube is bigger (both are above 2 cm), so that the brain tissue is damaged more in the operation; the direction of the sheath tube is difficult to adjust in the operation process, and the operation is complex; the operation area is difficult to wash in the operation process, and the operation visual field is easy to influence; and the whole set of device has low price, and cannot be widely used and popularized in clinic.
Disclosure of Invention
The invention aims to solve the problem of providing a brain puncture guiding device which has the advantages of visualization, good flexibility and stability, capability of reducing brain tissue injury and strong practicability.
In order to solve the problems, the invention provides a disposable visual brain puncture guiding device, which comprises a puncture inner core assembly, a limit sleeve assembly and a holding and flushing sleeve assembly, wherein the puncture inner core assembly is sleeved in the limit sleeve assembly, the limit sleeve assembly is sleeved with the holding and flushing sleeve assembly through an inclined opening at the outer end of the holding and flushing sleeve assembly, the holding and flushing sleeve assembly comprises a limit tube sheath, an inclined sheath head, a first-stage adjusting arm, a second-stage adjusting arm and a water and medicine integrated flushing pipeline, one end of the limit tube sheath is provided with the inclined sheath head and is in arc transitional connection with the inclined sheath head, the inclined sheath head is of an inclined opening structure, the other end of the limit tube sheath is provided with a first sheath seat, the bottom end of the first sheath seat is provided with a first adjusting arm and is in inclined connection with the first sheath seat, the bottom end of the first adjusting arm is provided with a second adjusting arm and is in inclined connection with the second adjusting arm, the water and medicine integrated flushing pipeline is arranged on the inner end wall of the limit tube sheath, the side end of the water and medicine integrated flushing pipeline is provided with a water injection port, the water injection port penetrates through the inner end wall of the limit tube sheath and extends outwards, and the medicine integrated flushing pipeline is provided with a water outlet.
As a further improvement of the invention, the included angle between the primary sheath seat and the primary regulating arm is 115 degrees to 140 degrees, and the included angle between the primary regulating arm and the secondary regulating arm is 115 degrees to 140 degrees.
As a further improvement of the invention, the puncture inner core assembly comprises an end cover, a thin hollow pipe body and a thick hollow pipe body, wherein one side of the thin hollow pipe body is provided with the thick hollow pipe body and is in smooth transition connection with the thick hollow pipe body, one side of the thick hollow pipe body is provided with the end cover and is in arc transition connection with the end cover, the end cover is in an arc closed structure, and one side of the thin hollow pipe body is provided with a sheath pipe seat.
As a further improvement of the invention, the limit sleeve component consists of a primary sheath head, a fixed sheath, a secondary sheath head, a first connecting piece and a second connecting piece, wherein the primary sheath head is arranged at one end of the fixed sheath, the secondary sheath head is arranged at the other end of the fixed sheath, the first connecting piece and the second connecting piece are arranged at one side of the primary sheath head or the secondary sheath head in a mirror image manner, the sheath head is obliquely connected with the connecting piece, and the puncture inner core component is fixedly connected with the limit sleeve component through the first connecting piece and the second connecting piece.
As a further improvement of the invention, the puncture inner core assembly, the limit sleeve assembly and the pipe body of the holding flushing sleeve assembly are marked with length graduation gauges.
As a further improvement of the invention, the inner diameter of the hollow part of the thin hollow tube body is consistent with the outer diameter of the outer tube of the nerve endoscope; the inner diameter of the hollow part of the thick hollow tube body is slightly smaller than the outer diameter.
As a further improvement of the invention, after the puncture inner core assembly is sleeved with the neuroendoscope, the distance between the neuroendoscope lens and the end cover is 1cm.
As a further improvement of the invention, the second adjusting arm is provided with anti-skid sand grains.
As a further improvement of the invention, the puncture inner core assembly, the limit sleeve assembly and the holding flushing sleeve assembly are all of an integrated structure by injection molding of medical polyurethane.
Due to the adoption of the structure, the invention has the following beneficial effects:
1. the damage is small: during operation, the limit sleeve assembly with smaller outer diameter is matched with the puncture inner core assembly for puncture, and then the holding flushing sleeve assembly is used for secondary expansion, so that damage caused by overlarge primary expansion is avoided; the end cover, the inclined sheath head and the tube body are in arc transition, the end cover is in an arc closed structure, and the brain tissue is separated only by pushing, but not by cutting in the puncturing process, so that the damage is reduced to the greatest extent;
2. the flexibility is good: medical staff can conveniently adjust and hold and wash the intracranial direction and the degree of depth of cup joint the subassembly through holding the second adjustment arm, is equipped with anti-skidding frosted line on the second adjustment arm and can play skid-proof effect, guarantees medical staff's stability of holding, accords with human mechanics.
3. The operation space is large: the endoscope channel secondarily expanded by the holding, flushing and sleeving assembly is large enough, the outer end of the inclined sheath head adopts an inclined opening which is larger than the area of a straight opening under the same condition, so that the sheath space is fully utilized, and the operation under the endoscope is convenient; the design of the oblique incision is beneficial to placing the neurosurgical drainage tube in different directions and sucking hematoma in different directions (only by rotating the sheath); the first sheath seat is connected with the first adjusting arm at an angle of 115 degrees to 140 degrees, so that a doctor is not easy to be blocked by the first adjusting arm when using the neuroendoscope and the aspirator to perform operation in the sheath tube.
4. The visual effect is excellent: the puncture inner core assembly, the limit sleeve assembly and the holding, flushing and sleeving assembly are all of an integrated structure formed by injection molding of medical polyurethane, the medical polyurethane has high strength and excellent visualization performance, surrounding tissues can be clearly observed in the process of puncture and operation hematoma removal, the puncture success rate is improved, and iatrogenic injury is reduced;
5. stability is good, and the practicality is strong, and the cost is very low: the second adjusting arm can be externally connected with a medical snake-shaped retractor, and the second adjusting arm can be fixed by the snake-shaped retractor when the holding, flushing and sleeving assembly is in the intracranial direction and depth without changing, so that the operation is simple;
6. the washing machine can be used for washing: be provided with integrative washing pipeline of water medicine on the spacing pipe sheath pipe wall to form the washing pipeline jointly with water filling port, delivery port, the size of water filling port can connect medical syringe, makes things convenient for the art to wash the operation field in the art.
Drawings
Fig. 1 is a schematic structural view of a piercing core assembly of a single-use visualization brain penetration guide device of the present invention.
Fig. 2 is a schematic structural view of a stop collar assembly of a single-use visualization brain penetration guide device of the present invention.
Fig. 3 is a schematic structural view of a holding, flushing and sleeving assembly of a disposable visual brain puncture guiding device.
FIG. 4 is a schematic diagram showing the overall structure of a single-use visualized brain puncture guiding device of the present invention, wherein the puncture inner core assembly is sleeved with the limit sleeve assembly;
fig. 5 is a schematic diagram showing the overall structure combination of the disposable visualized brain puncture guiding device of the invention, wherein the disposable visualized brain puncture guiding device is used for holding and sleeving the flushing sleeve assembly and the limiting sleeve assembly for secondary expansion.
In the figure: 1. the puncture inner core assembly, 101, an end cover, 102, a thin hollow tube body, 103, a thick hollow tube body, 104, a sheath tube seat, 2, a limit sleeve assembly, 201, a primary sheath head, 202, a fixed sheath, 203, a secondary sheath head, 204, a first connecting sheet, 205, a second connecting sheet, 3, a holding and flushing sleeve assembly, 301, a first sheath seat, 302, a limit sheath, 303, an inclined sheath head, 304, a first regulating arm, 305, a second regulating arm, 306, a water filling port, 307, a water and medicine integrated flushing pipeline, 308, a water outlet, 309 and an anti-skid sand line.
Detailed Description
The invention is further illustrated by the following figures and examples.
Embodiment one: the utility model provides a disposable visual brain puncture guiding device, includes puncture inner core assembly 1, spacing sleeve subassembly 2, puncture inner core assembly 1 cover is located in the spacing sleeve subassembly 2, puncture inner core assembly 1 includes end cover 101, thin hollow body 102 and thick hollow body 103, thin hollow body 102 one side is equipped with thick hollow body 103 and rather than smooth transitional coupling, thick hollow body 103 one side be equipped with end cover 101 and rather than circular arc transitional coupling, end cover 101 is circular arc enclosed construction, thin hollow body 102 one side is equipped with sheath tube seat 104, puncture inner core assembly 1 cup joints the back with the neuroendoscope, neuroendoscope camera lens is 1cm with end cover 101 interval, spacing sleeve subassembly 2 comprises one-level sheath head 201, fixed tube sheath 202, second level sheath head 203, first connecting piece 204, second connecting piece 205, fixed tube sheath 202 one end is equipped with one-level sheath head 201, its other end is equipped with second level sheath head 203, one side of one-level sheath head 201 or second level sheath head 203 is provided with first connecting piece 204 and second connecting piece 205, be connected with first connecting piece 2, the slant sleeve subassembly passes through 1, and is fixed connection between spacing sleeve subassembly 2.
Embodiment two: the disposable visual brain puncture guiding device comprises a limit sleeve component 2 and a holding and flushing sleeve component 3, wherein the limit sleeve component 2 is sleeved with the limit sleeve component 2 through an inclined opening at the outer end of the holding and flushing sleeve component 3, the limit sleeve component 2 is composed of a primary sheath head 201, a fixed sheath 202, a secondary sheath head 203, a first connecting sheet 204 and a second connecting sheet 205, one end of the fixed sheath 202 is provided with the primary sheath head 201, the other end of the fixed sheath head is provided with the secondary sheath head 203, one side mirror image of the primary sheath head 201 or the secondary sheath head 203 is provided with the first connecting sheet 204 and the second connecting sheet 205, the sheath head is connected with the connecting sheet in an inclined way, the holding and flushing sleeve component 3 comprises a limit sheath 302, an inclined sheath head 303, a primary adjusting arm 304, a secondary adjusting arm 305 and a water-medicine integrated flushing pipeline 307, one end of the limit sheath 302 is provided with the inclined sheath head 303 and is in arc transitional connection with the inclined sheath head, the inclined sheath head 303 is of an inclined opening structure, the other end of the limiting sheath 302 is provided with a first sheath seat 301, the bottom end of the first sheath seat 301 is provided with a first adjusting arm 304 and is connected with the first sheath seat in an inclined way, an included angle between the first sheath seat 301 and the first adjusting arm 304 is 115 degrees to 140 degrees, the bottom end of the first adjusting arm 304 is provided with a second adjusting arm 305 and is connected with the first adjusting arm in an inclined way, an included angle between the first adjusting arm 304 and the second adjusting arm 305 is 115 degrees to 140 degrees, the second adjusting arm 305 is provided with an anti-skid sand grain 309, the water-medicine integrated flushing pipeline 307 is arranged on the inner end wall of the limiting sheath 302, the side end of the water-medicine integrated flushing pipeline 307 is provided with a water filling port 306, the water filling port 306 penetrates through the inner end wall of the limiting sheath 302 and extends outwards, one end of the water-medicine integrated flushing pipeline 307 is provided with a water outlet 308, the rest of the technical proposal is the same as the first embodiment.
Embodiment III: the puncture inner core assembly 1, the limit sleeve assembly 2 and the holding and flushing sleeve assembly 3 are respectively marked with a length scale, and the other technical schemes are the same as those of the first to second embodiments.
Embodiment four: the inner diameter of the hollow part of the thin hollow tube body 102 is consistent with the outer diameter of the outer tube of the nerve endoscope; the inner diameter of the hollow part of the thick hollow tube 103 is slightly smaller than the outer diameter, and other technical schemes are the same as those of the first to third embodiments.
Fifth embodiment: the puncture inner core assembly 1, the limit sleeve assembly 2 and the holding, flushing and sleeving assembly 3 are all of an integrated structure formed by injection molding of medical polyurethane, and the rest technical schemes are the same as those of the first to fourth embodiments.
In order to facilitate understanding of the above technical solutions of the present invention, the following describes the above technical solutions of the present invention in detail through a specific usage manner.
The specific working process is as follows: before puncture, the puncture inner core assembly 1 is sleeved with the limit sleeve assembly 2, and is fixedly connected through the first connecting sheet 204 and the second connecting sheet 205, the outer tube of the nerve endoscope passes through the sheath tube seat 104 and passes through the thin hollow tube body 102 and the thick hollow tube body 103 until the distance between the lens and the end cover 101 is 1cm, so that the outer tube of the nerve endoscope is sleeved with the puncture inner core assembly 1; under the direct view of an endoscope, the puncture needle enters brain tissue according to the required depth and angle, if a thicker blood vessel is seen, the puncture needle should be avoided in the puncture process, and after reaching the bottom of a hematoma cavity, the puncture needle inner core assembly 1 is taken out, and at the moment, partial hematoma can be discharged and sucked out, and the primary decompression is carried out (or the operation is finished after a drainage tube is directly placed); then the holding, flushing and sleeving assembly 3 is sleeved outside the limit sleeve assembly 2 through the inclined opening at the outer end of the inclined sheath head 303 and the first-stage sheath head 201, secondary expansion is carried out, the limit sleeve assembly 2 is taken out, the endoscope channel space is enabled to reach the operation requirement, the transparent holding, flushing and sleeving assembly 3 can observe the conditions of an operation area and surrounding tissues, and hematoma is sucked under an endoscope by using a suction device; the second adjusting arm 305 can be supported, so that the direction and depth of the flushing sleeve assembly 3 in the cranium can be conveniently adjusted and held, the second adjusting arm 305 can be externally connected with a medical snake-shaped retractor, and the second adjusting arm 305 can be fixed by the snake-shaped retractor when the direction and depth are not required to be changed; the operation area is flushed by the medical injector connected with the water filling port 306, which is beneficial to removing hematoma and stopping bleeding thoroughly.
The external shape and the size of the invention can be adjusted according to hematoma parts and depths, but the internal structure and the principle are unchanged, and the endoscope can be a neuroendoscope, a nasosinusitis mirror, an arthroscope and the like when the invention is specifically used.
The foregoing is illustrative and explanatory of the invention, and is not meant to limit the advantages that can be achieved, and any simple modifications in structure, and/or any one or more of the advantages that may be realized in some embodiments of the invention, are within the scope of the present application.
Claims (7)
1. A disposable visual brain puncture guiding device, which is characterized in that: the puncture device comprises a puncture inner core assembly (1), a limit sleeve assembly (2) and a holding flushing sleeve assembly (3), wherein the puncture inner core assembly (1) is sleeved in the limit sleeve assembly (2), and the limit sleeve assembly (2) is sleeved with the holding flushing sleeve assembly (3) through an inclined opening at the outer end of the holding flushing sleeve assembly;
the holding, flushing and sleeving component (3) comprises a limiting tube sheath (302), an oblique sheath head (303), a first regulating arm (304), a second regulating arm (305) and a water and medicine integrated flushing pipeline (307), wherein one end of the limiting tube sheath (302) is provided with the oblique sheath head (303) and is in arc transitional connection with the oblique sheath head, the oblique sheath head (303) is of an oblique opening type structure, the other end of the limiting tube sheath (302) is provided with a first sheath seat (301), the bottom end of the first sheath seat (301) is provided with a first regulating arm (304) and is in oblique connection with the first regulating arm, the bottom end of the first regulating arm (304) is provided with a second regulating arm (305) and is in oblique connection with the second regulating arm, the water and medicine integrated flushing pipeline (307) is arranged on the inner end pipe wall of the limiting tube sheath (302), the side end of the water and medicine integrated flushing pipeline (307) is provided with a water injection port (306), the water injection port (306) penetrates through the inner end pipe wall of the limiting tube sheath (302) and extends outwards, and one end of the water and medicine integrated flushing pipeline (307) is provided with a water outlet (308);
the puncture inner core assembly (1) comprises an end cover (101), a thin hollow pipe body (102) and a thick hollow pipe body (103), wherein one side of the thin hollow pipe body (102) is provided with the thick hollow pipe body (103) and is in smooth transition connection with the thick hollow pipe body, one side of the thick hollow pipe body (103) is provided with the end cover (101) and is in circular arc transition connection with the end cover, the end cover (101) is in a circular arc closed structure, and one side of the thin hollow pipe body (102) is provided with a sheath pipe seat (104);
limiting sleeve subassembly (2) comprises one-level sheath head (201), fixed pipe sheath (202), second grade sheath head (203), first connecting piece (204), second connecting piece (205), fixed pipe sheath (202) one end is equipped with one-level sheath head (201), and its other end is equipped with second grade sheath head (203), one-level sheath head (201) or second grade sheath head (203) one side mirror image is provided with first connecting piece (204) and second connecting piece (205), the sheath head is the slant with the connecting piece and is connected, puncture inner core subassembly (1) are connected fixedly through first connecting piece (204), second connecting piece (205) between limiting sleeve subassembly (2).
2. A single use visualization brain penetration guide device as in claim 1, wherein: the included angle between the first sheath seat (301) and the first adjusting arm (304) is 115-140 degrees, and the included angle between the first adjusting arm (304) and the second adjusting arm (305) is 115-140 degrees.
3. A single use visualization brain penetration guide device as in claim 1, wherein: the puncture inner core assembly (1), the limit sleeve assembly (2) and the pipe body of the holding flushing sleeve assembly (3) are marked with length graduation gauges.
4. A single use visualization brain penetration guide device as in claim 1, wherein: the inner diameter of the hollow part of the thin hollow tube body (102) is consistent with the outer diameter of the outer tube of the nerve endoscope; the inner diameter of the hollow part of the thick hollow tube body (103) is slightly smaller than the outer diameter.
5. A single use visualization brain penetration guide device as in claim 1, wherein: after the puncture inner core assembly (1) is sleeved with the neuroendoscope, the distance between the neuroendoscope lens and the end cover (101) is 1cm.
6. A single use visualization brain penetration guide device as in claim 1, wherein: and the second adjusting arm (305) is provided with an anti-slip sand grain (309).
7. A single use visualization brain penetration guide device as in claim 1, wherein: the puncture inner core assembly (1), the limit sleeve assembly (2) and the holding, flushing and sleeving assembly (3) are all of an integral structure by injection molding of medical polyurethane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824686.4A CN108852475B (en) | 2018-07-25 | 2018-07-25 | Disposable visual brain puncture guiding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810824686.4A CN108852475B (en) | 2018-07-25 | 2018-07-25 | Disposable visual brain puncture guiding device |
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| Publication Number | Publication Date |
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| CN108852475A CN108852475A (en) | 2018-11-23 |
| CN108852475B true CN108852475B (en) | 2024-02-20 |
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| CN201810824686.4A Active CN108852475B (en) | 2018-07-25 | 2018-07-25 | Disposable visual brain puncture guiding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110575237A (en) * | 2019-09-12 | 2019-12-17 | 济南科众医疗科技有限公司 | Visual brain puncture needle |
| CN110801193A (en) * | 2019-09-27 | 2020-02-18 | 重庆市人民医院 | Endoscope guiding device |
| CN111888047A (en) * | 2020-07-15 | 2020-11-06 | 温州医科大学附属第一医院 | Direct-in visual lower injury-preventing urinary incontinence hanging strip guiding device |
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|---|---|---|---|---|
| CN205729474U (en) * | 2016-04-22 | 2016-11-30 | 鑫海合星科技（大连）有限公司 | A kind of visual puncturing device |
| CN107361824A (en) * | 2017-07-26 | 2017-11-21 | 韦二平 | A kind of sheath and its processing method for endoscope |
| CN207590655U (en) * | 2017-04-07 | 2018-07-10 | 新疆医科大学附属中医医院 | Nerve endoscope sheath |
| CN210185660U (en) * | 2018-07-25 | 2020-03-27 | 张焱 | Disposable visual brain puncture guiding device |
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| US10004533B2 (en) * | 2014-09-30 | 2018-06-26 | Fateh Entabi | Surgical tools and system for safely accessing body cavities and methods of using the same |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205729474U (en) * | 2016-04-22 | 2016-11-30 | 鑫海合星科技（大连）有限公司 | A kind of visual puncturing device |
| CN207590655U (en) * | 2017-04-07 | 2018-07-10 | 新疆医科大学附属中医医院 | Nerve endoscope sheath |
| CN107361824A (en) * | 2017-07-26 | 2017-11-21 | 韦二平 | A kind of sheath and its processing method for endoscope |
| CN210185660U (en) * | 2018-07-25 | 2020-03-27 | 张焱 | Disposable visual brain puncture guiding device |
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