CN112773479A - Visual hematoma removing device - Google Patents
Visual hematoma removing device Download PDFInfo
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- CN112773479A CN112773479A CN202110232445.2A CN202110232445A CN112773479A CN 112773479 A CN112773479 A CN 112773479A CN 202110232445 A CN202110232445 A CN 202110232445A CN 112773479 A CN112773479 A CN 112773479A
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- sleeve
- endoscope
- suction
- transition
- visual
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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
- A61B17/3415—Trocars; Puncturing needles for introducing tubes or catheters, e.g. gastrostomy tubes, drain catheters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/313—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for introducing through surgical openings, e.g. laparoscopes
Abstract
The invention discloses a visual hematoma removing device which comprises a supporting body, an endoscope assembly and an outer sleeve, wherein a suction cavity is formed in the supporting body, and the rear end of the outer sleeve is fixedly connected with the front end of the supporting body. The endoscope assembly comprises an endoscope and a rod body, wherein the rod body can penetrate through the rear part of the support body and extend into the outer sleeve through the suction cavity, and a lens of the endoscope is arranged at the front end of the rod body and extends to the front port of the outer sleeve. The side wall of the support body is provided with a suction pipe, one end of the suction pipe is communicated with the outer sleeve through the suction cavity, and the other end of the suction pipe is detachably connected with a suction device. The device for visually removing hematoma disclosed by the invention combines the endoscope technology, can realize 0-object-distance imaging, changes puncture tube placement, hematoma suction and the like which are originally operated blindly into visual operation, can suck the blood in brain tissue at the same time, avoids the influence on the lens imaging effect, improves the operation safety in a visual state, and also improves the hematoma removal accuracy and the operation efficiency.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a visual hematoma removing device.
Background
After cerebral hemorrhage, hematoma needs to be removed and discharged outside the cranium, and the hematoma is sucked out from one tube by using a hard channel and soft channel technology clinically at present, so that the technology has the advantages of small tube diameter, small wound, simple operation mode and the like. However, the position of the catheter can not be accurately known when the catheter is inserted, and whether hematoma is sucked by the suction port can not be known when the catheter is placed in a channel and the suction is performed by blindly touching the hand of a doctor, so that brain tissues are easily damaged, nerve injury and intraoperative hemorrhage are caused, the operative clearance rate is greatly influenced, and the due treatment effect is difficult to achieve. With the development of technology, endoscopes for 0-object distance imaging, such as those described in patent documents CN201821422091.8, CN201821421203.8, have emerged, offering new possibilities for the visual clearance of hematomas. In addition, hematoma inside the cranium and a certain amount of blood usually exist around brain tissues, and the blood can be attached to the outer wall of the lens, so that great interference is caused to lens imaging, and even imaging cannot be performed. Thus, further improvements and enhancements are needed in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a visual hematoma removal device, which solves the problems that in the hematoma removal and discharge process, the hematoma is sucked only by the blind operation of the hand feeling of a doctor, brain tissues are easily damaged, nerve damage and intraoperative hemorrhage are caused, and the operation removal rate is greatly influenced.
In order to achieve the purpose, the invention adopts the technical scheme that:
a visual hematoma removing device comprises a supporting body, an endoscope assembly and an outer sleeve, wherein a suction cavity is formed in the supporting body, and the rear end of the outer sleeve is fixedly connected with the front end of the supporting body.
The endoscope assembly comprises an endoscope and a rod body, wherein the rod body can penetrate through the rear part of the support body and extend into the outer sleeve through the suction cavity, and a lens of the endoscope is arranged at the front end of the rod body and extends to the front port of the outer sleeve.
The side wall of the support body is provided with a suction pipe, one end of the suction pipe is communicated with the outer sleeve through the suction cavity, and the other end of the suction pipe is detachably connected with a suction device.
Furthermore, the support body is formed by sequentially detachably, fixedly and hermetically matching a front sleeve, a first transition sleeve and an endoscope base end to end from front to back.
The rear end of the rod body penetrates out of the rear side of the endoscope base, and the outer wall of the rod body is fixedly matched with the endoscope base in a sealing mode.
The rear end of the outer sleeve is inserted with the front end of the first cavity of the front sleeve, and the outer wall of the outer sleeve is fixedly matched with the front sleeve in a sealing manner.
Furthermore, a first cavity is formed inside the front sleeve, a second cavity is formed inside the endoscope base, a third cavity is formed inside the first transition sleeve, and the first cavity, the second cavity and the third cavity are matched to form the suction cavity.
Furthermore, the device for visually clearing hematoma is provided with a second transition sleeve and an inner sleeve, wherein a fourth cavity is arranged inside the second transition sleeve, the rear end of the inner sleeve is fixedly and hermetically inserted into the front end of the second transition sleeve, and the inside of the inner sleeve is communicated with the fourth cavity.
The second transition sleeve replaces the first transition sleeve, the second transition sleeve is detachably, fixedly, hermetically matched with the endoscope base and the front sleeve to form the support body, and the fourth cavity is matched with the first cavity and the second cavity to form the suction cavity.
Furthermore, after the second transition sleeve is assembled with the endoscope base and the front sleeve, the rod body, the inner sleeve and the outer sleeve are sequentially sleeved from inside to outside, the front end of the inner sleeve penetrates out of the outer sleeve, and the front end of the rod body penetrates out of the inner sleeve.
The inner sleeve and the outer sleeve are matched to form a first annular cavity, and the inner sleeve and the rod body are matched to form a second annular cavity.
Further, the front sleeve, the first transition sleeve, the second transition sleeve and the endoscope base are all cylindrical structures, and the axial length of the second transition sleeve is smaller than that of the first transition sleeve.
The front end of the endoscope base is provided with a first clamping convex part, the rear end of the first transition sleeve is provided with a first concave part, and the first clamping convex part of the endoscope base can be inserted into the first concave part and is in threaded fit with the rear end of the first transition sleeve.
The front end of the first transition sleeve is provided with a second clamping convex part, the rear end of the front sleeve is provided with a second concave part, and the second clamping convex part of the first transition sleeve can be inserted into the second concave part and is in threaded fit with the rear end of the front sleeve.
The front end of the second transition sleeve is provided with a third clamping convex part, and the rear end of the second transition sleeve is provided with a third concave part.
When the second transition sleeve is assembled with the endoscope base and the front sleeve, the first clamping convex part of the endoscope base can be inserted into the third concave part and is in threaded fit with the rear end of the second transition sleeve, and the third clamping convex part of the second transition sleeve can be inserted into the second concave part and is in threaded fit with the rear end of the front sleeve.
Further, two first guide sliding blocks are symmetrically arranged on the side wall of the first clamping convex portion, a first spiral groove in clearance fit with the first guide sliding blocks is formed in the inner wall of the first concave portion, and a first sealing ring is arranged on the front side of the first spiral groove.
Two second guide sliding blocks are symmetrically arranged on the side wall of the second clamping convex part, a second spiral groove matched with the second guide sliding blocks is formed in the inner wall of the second concave part, and a second sealing ring is arranged on the front side of the second spiral groove.
And two third guide sliding blocks matched with the second spiral grooves are symmetrically arranged on the side wall of the third clamping convex part, a third spiral groove matched with the first guide sliding block is formed in the inner wall of the third concave part, and a third sealing ring is arranged on the front side of the third spiral groove.
Furthermore, the rod body is a rigid straight rod with a circular cross section, the lens of the endoscope is fixed at the front end of the rod body, the rod body and the endoscope base are coaxially arranged, and the outer wall of the rod body is fixedly matched with the endoscope base in a sealing mode.
Furthermore, the outer sleeve is a straight circular tube with a uniform cross section, and is coaxially and oppositely arranged with the inner sleeve and the rod body.
The front end faces of the inner sleeve and the outer sleeve are flush, the outer edges of the front ends of the inner sleeve and the outer sleeve are of chamfer structures, and the surface of the lens of the endoscope is matched with the front end faces of the inner sleeve and the outer sleeve to form a smooth round and blunt structure.
Furthermore, an air suction channel is formed in the second transition sleeve and located on the outer side of the inner sleeve, and the first annular cavity is communicated with the suction cavity through the air suction channel.
Furthermore, the outer walls of the front sleeve, the first transition sleeve, the second transition sleeve and the endoscope base are provided with indication marks along the axial direction.
Further, the surface of the outer sleeve is provided with scale marks along the axial direction thereof.
Furthermore, the outer wall of the support body is provided with a mounting hole, and one end of the suction pipe is inserted into the mounting hole and is fixedly and hermetically connected with the inner wall of the suction pipe.
By adopting the technical scheme, the invention has the beneficial technical effects that:
the device for visually removing hematoma disclosed by the invention combines the endoscope technology, can realize 0-object-distance imaging, realizes visualization in the brain tissue, changes puncture catheterization, hematoma suction and the like which are originally blindly operated into visualization operation, can suck the blood in the brain tissue at the same time, avoids the influence on the lens imaging effect, improves the operation safety in a visible state, and also improves the accuracy rate of removing hematoma and the operation efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a first implementation of a visual hematoma removal device of the present invention.
Fig. 2 is a cross-sectional view of a first embodiment of a visual hematoma removal device of the present invention.
Fig. 3 is a schematic structural diagram of a second implementation of a visual hematoma removal device of the present invention.
Fig. 4 is a cross-sectional view of a second embodiment of a visual hematoma removal device of the present invention.
Fig. 5 is an exploded view of a second embodiment of a visual hematoma removal device of the present invention.
Fig. 6 is a schematic structural diagram of a third implementation of a visual hematoma removal device of the present invention.
Fig. 7 is a cross-sectional view of a third embodiment of a visual hematoma removal device of the present invention.
Fig. 8 is an exploded view of a third embodiment of a visual hematoma removal device of the present invention.
FIG. 9 is a front side view schematic illustration of the second transition sleeve shown in FIG. 6.
FIG. 10 is a rear-side view structural schematic illustration of the second transition sleeve shown in FIG. 6.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings:
The endoscope assembly comprises an endoscope 3 and a rod body 4, wherein the rod body 4 can pass through the rear part of the support body 1 and extend into the outer sleeve 2 through the suction cavity, and a lens of the endoscope 3 is arranged at the front end of the rod body 4 and extends to the front port of the outer sleeve 2.
Further, the rod body 4 is a rigid straight rod with a circular cross section, and the outer wall of the rod body 4 is fixedly connected with the rear part of the support body 1 in a sealing manner. The inner diameter of the outer sleeve 2 is larger than the outer diameter of the rod body 4, and after the outer sleeve 2 and the rod body 4 are assembled, an annular cavity capable of sucking and removing hematoma is formed between the outer sleeve 2 and the rod body 4 and is communicated with the suction cavity.
The side wall of the support body 1 is provided with a suction pipe 5, one end of the suction pipe 5 is communicated with the outer sleeve 2 through a suction cavity, and the other end is detachably connected with a suction device 6. Preferably, the outer wall of the rear part of the support body 1 is provided with a mounting hole communicated with the suction cavity, and one end of the suction pipe 5 is inserted into the mounting hole and is fixedly and hermetically connected with the rear part of the support body 1.
The operation of a visual hematoma removal device as described in example 1 is as follows: the tube opening of the outer sleeve 2 is placed in the hematoma of the cranium, negative pressure suction is carried out through the aspirator 6, blood clots are sucked into the annular cavity between the outer sleeve 2 and the rod body 4 and flow backwards to enter the suction cavity, and then the blood clots enter the aspirator 6 through the suction tube 5, so that the hematoma inside the cranium is cleared. In the operation process, the endoscope 3 is used for observing and ensuring that the sucked tissue is only a blood clot, so that the injury of the outer cannula 2 or the suction of brain tissue is avoided, and the safety of the operation is ensured.
The endoscope assembly comprises an endoscope 3 and a rod body 4, wherein the rod body 4 can pass through the rear part of the support body 1 and extend into the outer sleeve 2 through the suction cavity, and a lens of the endoscope 3 is arranged at the front end of the rod body 4 and extends to the front port of the outer sleeve 2. One end of the suction tube 5 is fixedly inserted with the side wall of the endoscope base 13, one end of the suction tube 5 is communicated with the outer sleeve 2 through the suction cavity, and the other end is detachably connected with the suction device 6.
The front sleeve 11, the first transition sleeve 12 and the endoscope base 13 are all of cylindrical structures, a first cavity is formed inside the front sleeve 11, a second cavity is formed inside the endoscope base 13, a third cavity which is communicated with the front and the back is formed inside the first transition sleeve 12, and the first cavity, the second cavity and the third cavity are matched to form the suction cavity.
The rear end of the rod body 4 penetrates through the rear side of the endoscope base 13, and the outer wall of the rod body is fixedly matched with the endoscope base 13 in a sealing mode. The rear end of the outer sleeve 2 is inserted with the front end of the first cavity of the front sleeve 11, and the outer wall of the outer sleeve is fixedly matched with the front sleeve 11 in a sealing way.
The front end of the endoscope base 13 is provided with a first clamping convex part 131, the rear end of the first transition sleeve 12 is provided with a first concave part, and the first clamping convex part 131 of the endoscope base 13 can be inserted into the first concave part and is in threaded fit with the rear end of the first transition sleeve 12. The front end of the first transition sleeve 12 has a second convex clamping part 121, the rear end of the front sleeve 11 has a second concave part, and the second convex clamping part 121 of the first transition sleeve 12 can be inserted into the second concave part and is in threaded fit with the rear end of the front sleeve 11.
Further, two first guide sliding blocks 132 are symmetrically arranged on the side wall of the first clamping convex portion 131, a first spiral groove matched with the first guide sliding block 132 is formed in the inner wall of the first concave portion, the first guide sliding block 132 is in clearance fit with the first spiral groove at the rear end of the first transition sleeve 12, and a first sealing ring 123 is arranged on the front side of the first spiral groove. Two second guide sliding blocks 122 are symmetrically arranged on the side wall of the second clamping convex part 121, a second spiral groove matched with the second guide sliding blocks 122 is formed in the inner wall of the second concave part, and a second sealing ring 111 is arranged on the front side of the second spiral groove.
The rod body 4 is a rigid straight rod with a circular cross section, a lens of the endoscope 3 is fixed at the front end of the rod body 4, the rod body 4 and the endoscope base 13 are coaxially arranged, and the outer wall of the rod body is fixedly matched with the endoscope base 13 in a sealing mode.
The outer sleeve 2 is a straight circular steel pipe with a uniform cross section, and the front end face of the outer sleeve 2 is flush. The outer sleeve 2 is a thin-wall structure, scale marks are arranged on the surface of the outer sleeve along the axial direction of the outer sleeve, and the depth of the outer sleeve placed into the cranium can be marked through the scale marks. The outer sleeve 2 and the rod body 4 are coaxially and oppositely arranged, the inner diameter of the outer sleeve 2 is larger than the outer diameter of the rod body 4, an annular cavity capable of sucking and removing hematoma is formed between the outer sleeve 2 and the rod body 4 after the assembly of the outer sleeve 2 and the rod body 4 is completed, and the annular cavity is communicated with the suction cavity.
The operation of the visual hematoma removal device described in example 2 is the same as that of example 1, and will not be described herein.
The interior of the front sleeve 11 is provided with a first cavity, the interior of the endoscope base 13 is provided with a second cavity, the interior of the first transition sleeve 12 is provided with a third cavity, and the first, second and third cavities are matched to form the suction cavity. The outer wall of the endoscope base 13 is provided with a mounting hole communicated with the suction cavity, and one end of the suction pipe 5 is inserted into the mounting hole and is fixedly and hermetically connected with the inner wall of the suction pipe.
The rear end of the rod body 4 penetrates through the rear side of the endoscope base 13, and the outer wall of the rod body is fixedly matched with the endoscope base 13 in a sealing mode. The rear end of the outer sleeve 2 is inserted with the front end of the first cavity of the front sleeve 11, and the outer wall of the outer sleeve is fixedly matched with the front sleeve 11 in a sealing way.
The endoscope assembly comprises an endoscope 3 and a rod body 4, wherein the rod body 4 can pass through the rear part of the support body 1 and extend into the outer sleeve 2 through the suction cavity, and a lens of the endoscope 3 is arranged at the front end of the rod body 4 and extends to the front port of the outer sleeve 2. The side wall of the endoscope base 13 is provided with a suction tube 5, one end of the suction tube 5 is communicated with the outer sleeve 2 through a suction cavity, and the other end is detachably connected with a suction device 6.
The front sleeve 11, the first transition sleeve 12 and the endoscope base 13 are all cylindrical structures, the front end of the endoscope base 13 is provided with a first clamping convex part 131, the rear end of the first transition sleeve 12 is provided with a first concave part, and the first clamping convex part 131 of the endoscope base 13 can be inserted into the first concave part and is in threaded fit with the rear end of the first transition sleeve 12.
The front end of the first transition sleeve 12 has a second convex clamping part 121, the rear end of the front sleeve 11 has a second concave part, and the second convex clamping part 121 of the first transition sleeve 12 can be inserted into the second concave part and is in threaded fit with the rear end of the front sleeve 11.
Further, two first guide sliding blocks 132 are symmetrically arranged on the side wall of the first clamping convex portion 131, a first spiral groove matched with the first guide sliding block 132 is formed in the inner wall of the first concave portion, and a first sealing ring 123 is arranged on the front side of the first spiral groove. Two second guide sliding blocks 122 are symmetrically arranged on the side wall of the second clamping convex part 121, a second spiral groove matched with the second guide sliding blocks 122 is formed in the inner wall of the second concave part, and a second sealing ring 111 is arranged on the front side of the second spiral groove.
The utility model provides a device of visual hematoma of cleaing away disposes second transition sleeve 7 and interior sleeve pipe 8, and the inside fourth cavity that is of second transition sleeve 7, the rear end of interior sleeve pipe 8 and the front end fixed sealed grafting of second transition sleeve 7, its inside communicates with each other with the fourth cavity.
The second transition sleeve 7 replaces the first transition sleeve 12, and is detachably, fixedly, hermetically matched with the endoscope base 13 and the front sleeve 11 to form the support body 1, and the fourth chamber is matched with the first chamber and the second chamber to form the suction cavity. The second transition sleeve 7 is also of a cylindrical structure, and the axial length of the second transition sleeve 7 is smaller than that of the first transition sleeve 12. The axial length of the first transition sleeve 12 and the second transition sleeve 7 is different, and when the second transition sleeve 7 is assembled, the front end of the rod body 4 protrudes to facilitate puncture; when the first transition sleeve 12 is assembled, the front end of the rod body 4 is closer to the opening end face of the outer sleeve 21 so as to be beneficial to observing and removing hematoma.
The rear end of the inner sleeve 8 is inserted into the front end of the second transition sleeve 7 and is coaxially and fixedly connected with the second transition sleeve 7, the front end of the second transition sleeve 7 is provided with a third clamping convex part 71, and the rear end of the second transition sleeve is provided with a third concave part.
The outer walls of the front sleeve 11, the first transition sleeve 12, the second transition sleeve 7 and the endoscope base 13 are provided with indicators 14 along the axial direction. After the front sleeve 11, the endoscope base 13 and the first transition sleeve 12 are assembled, or after the front sleeve 11, the endoscope base 13 and the second transition sleeve 7 are assembled, the indication marks are all on the same straight line and are used for indicating correct assembly and facilitating the determination of the direction of the lens of the endoscope 3 during operation.
When the second transition sleeve 7 is assembled with the endoscope base 13 and the front sleeve 11, the first bayonet part 131 of the endoscope base 13 can be inserted into the third recessed part to be in threaded fit with the rear end of the second transition sleeve 7, and the third bayonet part 71 of the second transition sleeve 7 can be inserted into the second recessed part to be in threaded fit with the rear end of the front sleeve 11.
Specifically, two third guide sliders 72 matched with the second spiral grooves are symmetrically arranged on the side wall of the third clamping convex portion 71, a third spiral groove 75 matched with the first guide slider 132 is formed in the inner wall of the third concave portion, and a third sealing ring 73 is arranged on the front side of the third spiral groove 75.
Further, the first guide sliding block 132 is in clearance fit with the first spiral groove at the rear end of the first transition sleeve 12, when the endoscope base 13 is pulled to one side by hand, the front end of the first clamping convex part 131 of the endoscope base 13 unevenly extrudes the first sealing ring 123, and when sealing is effectively ensured, the rod body 4 provided with the endoscope 3 can properly swing in the outer sleeve 21, so that the endoscope 3 can be more favorably observed comprehensively, and the safety and the convenience in operation of sucking blood clots can be more favorably realized.
The rod body 4 is a rigid straight rod with a circular cross section, the lens of the endoscope 3 is fixed at the front end of the rod body 4, the rod body 4 and the endoscope base 13 are coaxially arranged, and the outer wall of the rod body is fixedly matched with the endoscope base 13 in a sealing mode. The outer sleeve 2 is a straight circular steel pipe with a uniform cross section, and is coaxially and oppositely arranged with the inner sleeve 8 and the rod body 4, so that transition is formed between the thin rod body 4 and the thick outer sleeve 2. The outer sleeve 2 is a thin-wall structure, scale marks are arranged on the surface of the outer sleeve along the axial direction of the outer sleeve, and the depth of the outer sleeve placed into the cranium can be marked through the scale marks.
After the second transition sleeve 7 is assembled with the endoscope base 13 and the front sleeve 11, the rod body 4, the inner sleeve 8 and the outer sleeve 2 are sequentially sleeved from inside to outside, the front end of the inner sleeve 8 penetrates out of the outer sleeve 2, and the front end of the rod body 4 penetrates out of the inner sleeve 8. The inner sleeve 8 and the outer sleeve 2 are matched to form a first annular cavity 81, and the inner sleeve 8 and the rod body 4 are matched to form a second annular cavity 82.
The preceding terminal surface of interior sleeve pipe 8 and outer tube 2 all flushes, and the front end outward edge of interior sleeve pipe 8 and outer tube 2 all adopts the chamfer structure, and the lens surface of endoscope 3 forms smooth blunt structure with the preceding terminal surface cooperation of interior sleeve pipe 8 and outer tube 2. When the outer sleeve 2 is punctured into the cranium, the scratch of the brain tissue by the front end surface of the outer sleeve 2 inserted into the cranium can be effectively avoided.
Further, the second transition sleeve 7 is provided with an air suction channel 74, the air suction channel 74 is located at the outer side of the inner sleeve 8, and the first annular cavity is communicated with the suction cavity through the air suction channel. In fact, first annular chamber and second annular chamber are formed by the annular chamber body that interior sleeve pipe 8 inserted between the body of rod 4 and outer tube 2, and the cross section of first annular chamber and second annular chamber all is less than the cross section of annular chamber, when sucking through aspirator 6, can suck and remove the bloody water and suck immobility hematoma or brain tissue, suck and remove the bloody water, make camera lens contact tissue or hematoma, guarantee that the endoscope formation of image is clear.
The operation of a visual hematoma removal device as described in example 3 is as follows: before use, the front sleeve 11, the second transition sleeve 7 and the endoscope base 13 are assembled, the aspirator 6 is fixedly connected with the end part of the suction pipe 5 in a sealing way, the front end of the working part of the formed assembly is provided with a smooth blunt structure, the working part is inserted into the cranium, and the condition of the inserted brain tissue and hematoma is observed through endoscopic imaging. In the process that the front end of the working part of the assembly reaches the hematoma position, if the imaging of the endoscope is influenced by the blood, the suction device 6 sucks air to the suction cavity, and the blood is sucked into the suction device 6 through the suction cavity.
After the front end of the working part of the assembly reaches the ideal position of hematoma, the outer sleeve component 2 is kept still, the second transition sleeve 7 and the inner sleeve 8 are detached and replaced by the first transition sleeve 12, the first transition sleeve 12 and the endoscope base 13 are assembled and then inserted into the front sleeve 11, the front sleeve is screwed and sealed in sequence, the endoscope base 13 is pushed by a hand and the hematoma is observed through an endoscope, the aspirator 6 sucks air to the suction cavity, and the hematoma is sucked into the aspirator 6 through the annular cavity between the outer sleeve 2 and the rod body 4.
Parts which are not described in the invention can be realized by adopting or referring to the prior art.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (13)
1. A visual hematoma removing device comprises a support body, an endoscope assembly and an outer sleeve, and is characterized in that a suction cavity is arranged in the support body, and the rear end of the outer sleeve is fixedly connected with the front end of the support body;
the endoscope assembly comprises an endoscope and a rod body, wherein the rod body can penetrate through the rear part of the support body and extend into the outer sleeve through the suction cavity, and a lens of the endoscope is arranged at the front end of the rod body and extends to the front port of the outer sleeve;
the side wall of the support body is provided with a suction pipe, one end of the suction pipe is communicated with the outer sleeve through the suction cavity, and the other end of the suction pipe is detachably connected with a suction device.
2. The visual hematoma removal device of claim 1, wherein the support body is formed by sequentially detachably, fixedly and hermetically fitting a front sleeve, a first transition sleeve and an endoscope base end to end from front to back;
the rear end of the rod body penetrates out of the rear side of the endoscope base, and the outer wall of the rod body is fixedly matched with the endoscope base in a sealing manner;
the rear end of the outer sleeve is inserted with the front end of the first cavity of the front sleeve, and the outer wall of the outer sleeve is fixedly matched with the front sleeve in a sealing manner.
3. A visual hematoma removal device as claimed in claim 2, wherein the interior of the front sleeve has a first lumen, the interior of the endoscope base has a second lumen, the interior of the first transition sleeve has a third lumen, and the first, second and third lumens cooperate to form said suction lumen.
4. The visual hematoma removal device as claimed in claim 3, wherein a second transition sleeve and an inner sleeve are provided, a fourth chamber is formed inside the second transition sleeve, the rear end of the inner sleeve is fixedly and hermetically inserted into the front end of the second transition sleeve, and the inside of the inner sleeve is communicated with the fourth chamber;
the second transition sleeve replaces the first transition sleeve, the second transition sleeve is detachably, fixedly, hermetically matched with the endoscope base and the front sleeve to form the support body, and the fourth cavity is matched with the first cavity and the second cavity to form the suction cavity.
5. The visual hematoma removal device according to claim 4, wherein after the second transition sleeve is assembled with the endoscope base and the front sleeve, the rod body, the inner sleeve and the outer sleeve are sequentially sleeved from inside to outside, the front end of the inner sleeve penetrates out of the outer sleeve, and the front end of the rod body penetrates out of the inner sleeve;
the inner sleeve and the outer sleeve are matched to form a first annular cavity, and the inner sleeve and the rod body are matched to form a second annular cavity.
6. A visual hematoma removal device as claimed in claim 4, wherein the axial length of said second transition sleeve is less than the axial length of the first transition sleeve;
the front end of the endoscope base is provided with a first clamping convex part, the rear end of the first transition sleeve is provided with a first concave part, and the first clamping convex part of the endoscope base can be inserted into the first concave part and is in threaded fit with the rear end of the first transition sleeve;
the front end of the first transition sleeve is provided with a second clamping convex part, the rear end of the front sleeve is provided with a second concave part, and the second clamping convex part of the first transition sleeve can be inserted into the second concave part and is in threaded fit with the rear end of the front sleeve;
the front end of the second transition sleeve is provided with a third clamping convex part, and the rear end of the second transition sleeve is provided with a third concave part;
when the second transition sleeve is assembled with the endoscope base and the front sleeve, the first clamping convex part of the endoscope base can be inserted into the third concave part and is in threaded fit with the rear end of the second transition sleeve, and the third clamping convex part of the second transition sleeve can be inserted into the second concave part and is in threaded fit with the rear end of the front sleeve.
7. The visual hematoma removal device as claimed in claim 6, wherein the two first guide sliders are symmetrically arranged on the side wall of the first clamping convex portion, a first spiral groove in clearance fit with the first guide slider is formed in the inner wall of the first concave portion, and a first sealing ring is arranged on the front side of the first spiral groove;
two second guide sliding blocks are symmetrically arranged on the side wall of the second clamping convex part, a second spiral groove matched with the second guide sliding blocks is formed in the inner wall of the second concave part, and a second sealing ring is arranged on the front side of the second spiral groove;
and two third guide sliding blocks matched with the second spiral grooves are symmetrically arranged on the side wall of the third clamping convex part, a third spiral groove matched with the first guide sliding block is formed in the inner wall of the third concave part, and a third sealing ring is arranged on the front side of the third spiral groove.
8. A visual hematoma removal device as claimed in claim 1, wherein the shaft is a rigid rod of circular cross-section, the lens of the endoscope is fixed to the front end of the shaft, the shaft is coaxially disposed with the endoscope base, and the outer wall of the shaft is fixedly and sealingly engaged with the endoscope base.
9. The visual hematoma removal device of claim 4, wherein the outer sleeve is a straight circular tube of metal with a uniform cross section and is coaxially arranged opposite to the inner sleeve and the rod body;
the front end faces of the inner sleeve and the outer sleeve are flush, the outer edges of the front ends of the inner sleeve and the outer sleeve are of chamfer structures, and the surface of the lens of the endoscope is matched with the front end faces of the inner sleeve and the outer sleeve to form a smooth round and blunt structure.
10. The visual hematoma removal device of claim 4, wherein the second transition sleeve is provided with a suction channel, the suction channel is located outside the inner sleeve, and the first annular cavity is communicated with the suction cavity through the suction channel.
11. A visual hematoma removal device according to claim 4, wherein the front sleeve, the first transition sleeve, the second transition sleeve and the outer wall of the endoscope base are provided with indicators along the axial direction thereof.
12. A visual hematoma removal device as claimed in claim 1, wherein the surface of the outer cannula is provided with graduations along its axial direction.
13. The visual hematoma removal device of claim 1, wherein the outer wall of the support body is provided with a mounting hole, and one end of the suction tube is inserted into the mounting hole and is fixedly and hermetically connected with the inner wall of the suction tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232445.2A CN112773479A (en) | 2021-03-03 | 2021-03-03 | Visual hematoma removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110232445.2A CN112773479A (en) | 2021-03-03 | 2021-03-03 | Visual hematoma removing device |
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| Publication Number | Publication Date |
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| CN112773479A true CN112773479A (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110232445.2A Pending CN112773479A (en) | 2021-03-03 | 2021-03-03 | Visual hematoma removing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022183944A1 (en) * | 2021-03-03 | 2022-09-09 | 李广成 | Hematoma removal apparatus enabling observation |
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2021
- 2021-03-03 CN CN202110232445.2A patent/CN112773479A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022183944A1 (en) * | 2021-03-03 | 2022-09-09 | 李广成 | Hematoma removal apparatus enabling observation |
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Effective date of registration: 20210924 Address after: 266555 household 1204, unit 1, building 4, No. 167 Wuyishan Road, Huangdao District, Qingdao, Shandong Province Applicant after: Li Guangcheng Address before: 215168 No. 1368, Wuzhong Avenue, Wuzhong District, Suzhou City, Jiangsu Province Applicant before: Suzhou meidehou Medical Co., Ltd |