CN108433757B - Visible puncture sampler with combined inner sheath and outer sheath - Google Patents
Visible puncture sampler with combined inner sheath and outer sheath Download PDFInfo
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- CN108433757B CN108433757B CN201810489886.9A CN201810489886A CN108433757B CN 108433757 B CN108433757 B CN 108433757B CN 201810489886 A CN201810489886 A CN 201810489886A CN 108433757 B CN108433757 B CN 108433757B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 230000000007 visual effect Effects 0.000 claims abstract description 21
- 238000005286 illumination Methods 0.000 claims abstract description 9
- 239000011148 porous material Substances 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 14
- 230000035515 penetration Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000011282 treatment Methods 0.000 abstract description 10
- 238000003745 diagnosis Methods 0.000 abstract description 5
- 230000036285 pathological change Effects 0.000 abstract description 5
- 231100000915 pathological change Toxicity 0.000 abstract description 5
- 210000004706 scrotum Anatomy 0.000 abstract description 3
- 238000001356 surgical procedure Methods 0.000 abstract description 2
- 210000001519 tissue Anatomy 0.000 description 25
- 239000013307 optical fiber Substances 0.000 description 13
- 230000001575 pathological effect Effects 0.000 description 12
- 229910052689 Holmium Inorganic materials 0.000 description 4
- 238000001574 biopsy Methods 0.000 description 4
- KJZYNXUDTRRSPN-UHFFFAOYSA-N holmium atom Chemical compound [Ho] KJZYNXUDTRRSPN-UHFFFAOYSA-N 0.000 description 4
- 230000003902 lesion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 206010052428 Wound Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011298 ablation treatment Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 238000010827 pathological analysis Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002207 retinal effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/0233—Pointed or sharp biopsy instruments
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses an inner and outer sheath combined visual puncture sampler, which comprises a puncture outfit handle, a puncture needle tube which can be inserted into the puncture outfit handle and moves back and forth relative to the puncture outfit handle, and an image lighting device which can be inserted into the puncture needle tube and moves back and forth relative to the puncture needle tube; a puncture image channel matched with the puncture needle tube is arranged in the puncture outfit handle, the rear end of the puncture outfit handle is connected with a puncture illumination joint coaxially communicated with the puncture image channel, the puncture outfit handle is also connected with an instrument joint and a water injection joint, an instrument channel communicated with the puncture image channel is arranged in the instrument joint, and a water injection channel communicated with the puncture image channel is arranged in the water injection joint; the outer wall of the rear end of the puncture needle tube is provided with a puncture needle tube water inlet hole corresponding to the water injection channel. The puncture outfit can realize accurate puncture, and can complete diagnosis, excision treatment and minimally invasive surgical treatment of tissue taking of pathological change tissues in the scrotum cavity by establishing a wound.
Description
Technical Field
The invention relates to the technical field of minimally invasive medical instruments, in particular to an inner and outer sheath combined visual puncture sampler.
Background
The current operation treatment of pathological tissues in a body cavity of a human body is changed from the traditional open operation treatment to the minimally invasive operation treatment, and the operation instrument has single function in the process of carrying out the minimally invasive operation treatment such as diagnosis of pathological tissues in the scrotum cavity of men, excision treatment and pathological analysis of tissue sampling, and can be completed only by a plurality of instruments and a plurality of wounds, so that the pain of a patient is increased, the operation difficulty is increased, and the postoperative recovery time of the patient is also increased. Therefore, the design of the minimally invasive surgical instrument which is integrated with accurate puncture and can complete diagnosis, excision and tissue extraction of pathological tissues is very significant.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide the inner and outer sheath combined type visual puncture sampler (VPBIO for short in English) which has simple structure and convenient use and can finish the treatment of various instruments through one wound.
In order to achieve the purpose, the invention provides an inner and outer sheath combined visual puncture sampler, which comprises a puncture outfit handle, a puncture needle tube which can be inserted into the puncture outfit handle and moves back and forth relative to the puncture outfit handle, and an image lighting device which can be inserted into the puncture needle tube and moves back and forth relative to the puncture needle tube; a puncture image channel matched with the puncture needle tube is formed in the puncture outfit handle along the axial direction of the puncture outfit handle, the rear end of the puncture outfit handle is connected with a puncture illumination joint coaxially communicated with the puncture image channel, the puncture outfit handle is also connected with an instrument joint and a water injection joint, the instrument joint is provided with an instrument channel communicated with the puncture image channel along the axial direction of the instrument joint, and the water injection joint is internally provided with a water injection channel communicated with the puncture image channel along the axial direction of the water injection joint; the outer wall of the rear end of the puncture needle tube is provided with a water inlet corresponding to the water injection channel.
Further, the front end of the puncture outfit handle is fixedly connected with an inner sheath tube, and an inner sheath tube coaxially communicated with the puncture image channel is arranged in the inner sheath tube along the axial direction of the inner sheath tube.
Still further, the front end of puncture ware handle still fixedly connected with sheath pipe device, sheath pipe device includes one end coaxial detachable be fixed in sheath pipe joint on the front end surface of puncture ware handle and with the coaxial fixed connection's of the other end of sheath pipe joint outer sheath pipe, be equipped with the sheath pipeline along its axial in the outer sheath pipe, joint pore has been seted up along its axial in the sheath pipe joint, interior sheath pipe's middle part and rear portion set up respectively in outer sheath pipeline with in the joint pore, the pipe wall of sheath pipeline with all there is the clearance between the pore wall of joint pore with the outer wall of interior sheath pipe.
Further, the front end fixedly connected with of puncture ware handle with the coaxial intercommunication of puncture image passageway cassette joint, be equipped with cassette elastic boss on the front end circumference surface of cassette joint, be located offer cassette positioning groove on the circumference external surface of cassette joint at cassette elastic boss rear, open on the rear end internal surface of sheath coupling with cassette elastic boss complex sheath coupling positioning groove and with cassette positioning groove complex sheath coupling elastic boss.
Furthermore, the front end of the outer sheath tube is a conical tube, a plurality of outer sheath tube water inlet holes communicated with the outer sheath tube are formed in the tube wall of the conical tube, and an outer sheath tube joint water outlet hole communicated with the joint pore canal is formed in the outer sheath tube joint.
Specifically, open there is the barb sampling hole on the front end outer wall of puncture needle tubing, puncture illumination joint includes that the front end is fixed in puncture needle tubing locating support in the puncture image passageway and connect in puncture needle tubing locating support is last, can follow puncture needle tubing locating support back-and-forth movement's puncture needle tubing movable support, be fixed with on the outer wall of puncture needle tubing can with puncture needle tubing movable support cooperation fixed puncture needle tubing fixed support.
Specifically, the through hole coaxial with the puncture image channel is arranged in the puncture needle tube positioning support, the puncture needle tube moving support comprises a needle tube moving cylinder which is positioned at the front end of the puncture needle tube moving support and arranged in the through hole of the puncture needle tube positioning support, the outer surface of the needle tube moving cylinder is attached to the hole wall of the through hole of the puncture needle tube positioning support, and the through hole coaxial with the puncture image channel is arranged in the puncture needle tube moving support.
More specifically, the puncture needle tube moving support further comprises a needle tube locating ring positioned at the rear end of the puncture needle tube moving support, the puncture needle tube fixing support comprises a needle tube fixing ring seat positioned at the front end of the puncture needle tube fixing support and capable of being sleeved and fixed on the needle tube locating ring, a through hole coaxial with the puncture needle tube is formed in the puncture needle tube fixing support, and the outer surface of the puncture needle tube is fixedly connected with the inner surface of the puncture needle tube fixing support.
Further, the outer wall of the puncture needle tube is connected with an image lighting device moving support capable of moving back and forth along the puncture needle tube.
Still further, puncture needle tube fixed bolster still includes and is located its rear end, is fixed in image lighting device location drum on the puncture needle tube surface, image lighting device removes the support including the cover and locates image lighting device removes the drum on the image lighting device location drum, image lighting device removes the interior surface of drum with the laminating of the surface of image lighting device location drum, image lighting device removes the support still including being located its rear end, can cooperate the obturator fixed ring of fixed with obturator, image lighting device removes and offered in the support with puncture needle tube coaxial through-hole.
The beneficial effects of the invention are as follows:
1. the puncture outfit simple structure, convenient to use, the puncture needle tube is equipped with puncture point and sample barb, image lighting device inserts in as the puncture needle tube, and it is clear to dash out the field of vision through puncture needle tube entering human body intracavity from the water injection joint water injection, can survey intracavity pathological change tissue, diagnose pathological change tissue, take a sample accurately under the visual state simultaneously, take the biopsy to pathological change position under the visual condition and carry out case analysis, avoid puncture many times and repetition operation, puncture needle tube's puncture point is pushed into interior sheath intraductal through puncture needle tube removal support and stab human body intracavity tissue at the puncture point that surveys and diagnostic in-process sharp.
2. When the pathological tissue is detected and diagnosed in the human body cavity, if the water injection quantity is required to be large, the puncture needle tube in the inner sheath tube can be directly withdrawn without secondary puncture, and the image lighting device is taken down from the needle tube and penetrates into the inner sheath tube.
3. After the pathological tissue is probed and diagnosed in the human body cavity, when the pathological tissue is required to be resected or treated, the outer sheath tube is pushed to the puncture opening along the inner sheath tube, the conical tube at the front end of the outer sheath tube is used for expanding the puncture opening, the outer sheath tube enters the human body cavity, the holmium laser optical fiber is inserted from the instrument connector on the handle of the puncture device and enters the human body cavity through the inner sheath tube, and heat generated by holmium laser work is taken away through water injected into the human body cavity and flows out through the water outlet of the outer sheath tube connector.
Drawings
FIG. 1 is a perspective view of the attachment of the spike handle to the inner sheath of the present invention;
FIG. 2 is a perspective view of the connection of the sheath tube and the sheath tube joint in the present invention;
FIG. 3 is a perspective view of a piercing needle according to the present invention;
FIG. 4 is a front view of a fiber optic mirror of the present invention;
FIG. 5 is a perspective view of the obturator of the present invention;
FIG. 6 is a top view of the attachment of the spike handle to the inner sheath of the present invention;
FIG. 7 is a cross-sectional view A-A of FIG. 6;
FIG. 8 is a front view of the visual lancing sampling state of the lancing device according to the present invention;
FIG. 9 is a top view of the visual penetration sampling state of the penetrator of the present invention;
FIG. 10 is a cross-sectional view B-B of FIG. 9;
FIG. 11 is a front view showing a visual excision treatment state of the puncture outfit according to the present invention;
FIG. 12 is a top view of the visual ablation treatment of the spike of the present invention;
FIG. 13 is a cross-sectional view of C-C of FIG. 12;
FIG. 14 is an enlarged view of FIG. 13 at D;
the device comprises a 1-puncture device handle, a 2-puncture needle tube, a 3-puncture image channel, a 4-puncture illumination joint (4.1-puncture needle tube positioning support, 4.2-puncture needle tube moving support), a 5-instrument joint, a 6-water injection joint, a 7-instrument channel, an 8-water injection channel, a 9-barb sampling hole, a 10-puncture needle tube water inlet, a 11-inner sheath tube, a 12-inner sheath tube, a 13-outer sheath tube joint, a 14-outer sheath tube, a 15-outer sheath tube, a 16-joint pore canal, a 17-clamping seat joint, a 18-clamping seat elastic boss, a 19-clamping seat positioning groove, a 20-outer sheath tube joint positioning groove, a 21-outer sheath tube joint elastic boss, a 22-outer sheath tube water inlet hole, a 23-outer sheath tube joint water outlet hole, a 24-puncture needle tube fixing support (24.1-fixing ring seat, a 24.2-image illumination device positioning cylinder), a 25-positioning cylinder, a 26-positioning ring, a 27-image illumination device moving support (27.1-image illumination device moving cylinder, a 27.2-device fixing ring, a 27.3-positioning ring, a 27-positioning ring, a 28-optical fiber mirror, a 29-optical fiber positioning ring, a position-limiting support, a 32-optical fiber positioning ring needle tube, a 32-optical fiber positioning ring support, a 32-optical fiber positioning ring needle tube positioning seat, a position-closing ring guide mirror, a position-limiting ring support, a 32.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
The combined inner and outer sheath visual puncture sampler shown in fig. 8 to 10 includes a puncture outfit handle 1 shown in fig. 1 and 6 to 7, a puncture needle tube 2 which is insertable into the puncture outfit handle 1 and moves forward and backward with respect to the puncture outfit handle 1 shown in fig. 3, and a fiberscope 29 (image lighting device) which is insertable into the puncture needle tube 2 and moves forward and backward with respect to the puncture needle tube 2 shown in fig. 4.
As shown in fig. 1, 6-7 and 8-10, a puncture image channel 3 is arranged in the puncture outfit handle 1 along the axial direction, and the rear end of the puncture outfit handle 1 is connected with a puncture illumination joint 4 coaxially communicated with the puncture image channel 3.
As shown in fig. 10, the puncture lighting joint 4 comprises a puncture needle tube positioning support 4.1 with the front end fixed in the puncture image channel 3 and a puncture needle tube moving support 4.2 connected to the puncture needle tube positioning support 4.1 and capable of moving back and forth along the puncture needle tube positioning support 4.1, and a puncture needle tube fixing support 24 capable of being matched and fixed with the puncture needle tube moving support 4.2 is fixed on the outer wall of the puncture needle tube 2.
The puncture needle tube positioning support 4.1 comprises a needle tube positioning support fixing ring 31 fixed in the puncture image channel 3, a needle tube positioning support limiting ring 32 coaxial with the needle tube positioning support fixing ring 31 is fixedly connected to the rear end surface of the needle tube positioning support fixing ring 31, and a needle tube positioning support guide ring 33 coaxial with the needle tube positioning support limiting ring is fixedly connected to the rear end surface of the needle tube positioning support limiting ring 32; the external diameter of needle tube positioning support spacing ring 32 is greater than the aperture of puncture image passageway 3, the internal diameter of needle tube positioning support fixed ring 31 is less than the internal diameter of needle tube positioning support guide ring 33, the annular orifice of needle tube positioning support spacing ring 32 is the shoulder hole, the shoulder hole includes the first connecting hole of being connected with the annular orifice of needle tube positioning support fixed ring 31 and the second connecting hole of being connected with the annular orifice of needle tube positioning support guide ring 33, the aperture of first connecting hole is the same with the aperture of needle tube positioning support fixed ring 31, the aperture of second connecting hole is the same with the aperture of needle tube positioning support guide ring 33.
The puncture needle tube moving support 4.2 comprises a needle tube moving cylinder 25 arranged in the puncture needle tube positioning support 4.1, a needle tube moving support limiting ring 34 coaxial with the needle tube moving cylinder 25 is fixedly connected to the rear end surface of the needle tube moving cylinder 25, and a needle tube positioning ring 26 coaxial with the needle tube moving support limiting ring 34 is fixedly connected to the rear end surface of the needle tube moving support limiting ring 34. The outer surface of the needle tube moving cylinder 25 is attached to the inner surface of the needle tube positioning support guide ring 33, the aperture of the needle tube moving cylinder 25 and the aperture of the needle tube moving support limit ring 34 are the same as the aperture of the needle tube positioning support fixing ring 31, the outer diameter of the needle tube moving support limit ring 34 is larger than the outer diameter of the needle tube positioning support guide ring 33, and the aperture of the needle tube positioning ring 26 is larger than the aperture of the needle tube moving support limit ring 34.
The puncture needle tube fixing support 24 comprises a needle tube fixing ring seat 24.1 which is positioned at the front end of the puncture needle tube fixing support and can be sleeved and fixed on a needle tube locating ring 26, the rear end face of the needle tube fixing ring seat 24.1 is coaxially connected with an image lighting device locating cylinder 24.2, a through hole which is coaxial with the puncture needle tube 2 is formed in the puncture needle tube fixing support 24, and the outer surface of the puncture needle tube 2 is fixedly connected with the inner surface of the puncture needle tube fixing support 24. The needle cannula retaining ring mount 24.1 is secured to the needle cannula retaining ring 26.
As shown in fig. 10, an image illuminator movable support 27 movable forward and backward along the puncture needle tube 2 is connected to the outer wall of the puncture needle tube 2. The image lighting device moving support 27 comprises an image lighting device moving cylinder 27.1 sleeved on the image lighting device positioning cylinder 24.2, the inner surface of the image lighting device moving cylinder 27.1 is attached to the outer surface of the image lighting device positioning cylinder 24.1, the rear end surface of the image lighting device moving cylinder 27.1 is coaxially connected with an image lighting device limiting seat 27.3, the rear end surface of the image lighting device limiting seat 27.3 is coaxially connected with a hole closing device fixing ring 27.2, and a through hole coaxial with the puncture needle tube 2 is formed in the image lighting device moving support 27. The fiberscope 29 passes through the obturator 28, and the obturator 28 is fixedly connected with the needle tube positioning ring 26.
As shown in fig. 1, 6-7 and 8-10, the puncture outfit handle 1 is further connected with an instrument connector 5 and a water injection connector 6, the instrument connector 5 is provided with an instrument channel 7 communicated with the puncture image channel 3 along the axial direction thereof, the water injection connector 6 is internally provided with a water injection channel 8 communicated with the puncture image channel 3 along the axial direction thereof, the front end of the puncture outfit handle 1 is fixedly connected with an inner sheath tube 11, and the inner sheath tube 11 is internally provided with an inner sheath tube 12 coaxially communicated with the puncture image channel 3 along the axial direction thereof. The front end of the puncture outfit handle 1 is fixedly connected with a sheath tube device, the sheath tube device comprises a sheath tube joint 13 (as shown in fig. 14, the front end of the puncture outfit handle 1 is fixedly connected with a clamping seat joint 17 which is coaxially communicated with the puncture image channel 3, the circumferential surface of the front end of the clamping seat joint 17 is provided with a clamping seat elastic boss 18, the circumferential outer surface of the clamping seat joint 17 positioned behind the clamping seat elastic boss 18 is provided with a clamping seat positioning groove 19, the inner surface of the rear end of the sheath tube joint 13 is provided with a sheath tube joint positioning groove 20 and a sheath tube joint elastic boss 21, the sheath tube joint positioning groove 20 is matched with the clamping seat elastic boss 18, the sheath tube joint elastic boss 21 is matched with the clamping seat positioning groove 19) and a sheath tube 14 which is coaxially and fixedly connected with the other end of the sheath tube joint 13, the sheath tube 14 is internally provided with a sheath tube 15 along the axial direction thereof, the inner side of the sheath tube joint 13 is internally provided with a joint pore 16 along the axial direction thereof, the middle part and the rear part of the inner sheath tube 11 are respectively arranged between the sheath tube 15 and the inner wall 16 of the sheath tube 16 and the pore wall of the sheath tube 16, and the pore wall of the sheath tube 11 is in the gap between the inner wall of the sheath tube and the joint 16. As shown in fig. 2, the front end of the outer sheath 14 is a conical tube, the tube wall of the conical tube is provided with a plurality of outer sheath water inlet holes 22 communicated with the outer sheath 15, and the outer sheath tube joint 13 is provided with an outer sheath tube joint water outlet hole 23 communicated with the joint pore canal 16.
As shown in fig. 3, the outer wall of the front end of the puncture needle tube 2 is provided with a barb sampling hole 9, and the outer wall of the rear end of the puncture needle tube 2 is provided with a puncture needle tube water inlet hole 10 corresponding to the water injection channel 8.
In the invention, the visual puncture is provided; the functions of inner cavity pathological tissue examination and diagnosis, biopsy sampling and inner cavity pathological tissue excision treatment.
1. Visual puncture: as shown in fig. 8-10, the puncture needle tube 2 penetrates from the puncture needle tube moving support 4.2, the obturator 28 is connected with the obturator fixing ring 27.2, the optical fiber mirror 29 is locked, the optical fiber mirror 29 penetrates from the inside of the obturator 28 until the front end of the puncture needle tube 2 is adjusted to a proper position through the image lighting device moving support 27, the water injection joint 6 is connected with a water valve and a water source, and epidermis puncture is carried out until the inner sheath enters the tunica vaginalis cavity (water injection is carried out according to requirements).
2. Diagnosis and biopsy sampling of inner cavity pathological changes: after the puncture needle tube 2 and the inner sheath tube 11 enter the inner sheath tube cavity, the tip of the puncture needle tube 2 is retracted into the inner sheath tube 11 through the puncture needle tube moving support 4.2 (the puncture tip is prevented from damaging tissues), the inner sheath tube 11 is moved in the sheath cavity after the water valve is opened for water injection and the visual field is clear, the lesion tissues are probed, after the lesion tissue sampling point is determined in the sheath cavity through the optical fiber mirror 29, the tip of the puncture needle tube 2 is punctured into the lesion tissues, the optical fiber mirror 29 is adjusted to the rear of the barb sampling hole 9 through the image lighting device moving support 27, the puncture is continued until the barb sampling hole 9 enters the lesion tissues, the tissue is determined to be counted into the barb sampling hole 9 through the optical fiber mirror 29, the puncture needle tube 2 is retracted through the puncture needle tube moving support 4.2 until the tissues of the barb sampling hole 9 are cut off by the cutting edge, the joint is released, the puncture needle tube 2 is withdrawn, and the sampled tissues are sent for case analysis. As shown in fig. 11-13, if the water flow rate is not large enough in the process of probing the pathological tissue, the puncture needle tube 2 can be withdrawn, the obturator 28 can be taken down to penetrate the optical fiber mirror 29 into the inner sheath tube 12 from the rear end of the handle, the obturator 29 is connected with the needle tube positioning ring 26, the water valve is opened to fill water, and the pathological tissue is probed in the sheath cavity.
3. Scrotum inner cavity pathological tissue excision, treatment: as shown in fig. 11-13, after entering the tunica vaginalis cavity through the inner sheath 11, the puncture needle tube 2 is withdrawn, the optical fiber mirror 29 is penetrated into the inner sheath tube 12 from the rear end of the handle, the position is adjusted, the outer sheath tube 14 is pushed out to expand until reaching the tunica vaginalis cavity through the front conical end, the holmium laser cable 35 is penetrated into the instrument channel 7 of the instrument joint 5, the water valve is opened to inject water, holmium laser ablation is started until reaching pathological tissues, and water in the cavity continuously flows into a gap between the inner sheath tube 11 and the outer sheath tube 14 and the outer sheath tube joint 13 through the outer sheath tube water inlet hole 22 at the front end of the outer sheath tube 14 and flows out from the outer sheath tube joint water outlet hole 23.
The above description is only of the preferred embodiment of the present invention and includes the surgical biopsy, urological percutaneous surgery, and ophthalmic retinal prosthesis. The structure of the present invention is not limited in any way. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (7)
1. An inside and outside sheath combination formula visual puncture sampler, its characterized in that: comprises a puncture needle handle (1), a puncture needle tube (2) which can be inserted into the puncture needle handle (1) and moves back and forth relative to the puncture needle handle (1), and an image lighting device which can be inserted into the puncture needle tube (2) and moves back and forth relative to the puncture needle tube (2); the puncture needle comprises a puncture needle tube (2), a puncture illuminator handle (1), a puncture illuminator joint (4) and an instrument joint (5) and a water injection joint (6), wherein a puncture image channel (3) matched with the puncture needle tube (2) is formed in the puncture illuminator handle (1) along the axial direction of the puncture illuminator handle, the puncture illuminator handle (1) is connected with the puncture illuminator joint (4) which is coaxially communicated with the puncture image channel (3), the instrument joint (5) is further connected with the instrument joint (5) along the axial direction of the puncture illuminator handle, an instrument channel (7) communicated with the puncture image channel (3) is formed in the instrument joint (5), and a water injection channel (8) communicated with the puncture image channel (3) is formed in the water injection joint (6) along the axial direction of the puncture illuminator joint; a puncture needle tube water inlet hole (10) corresponding to the water injection channel (8) is formed in the outer wall of the rear end of the puncture needle tube (2);
the front end of the puncture outfit handle (1) is fixedly connected with an inner sheath tube (11), and an inner sheath tube (12) which is coaxially communicated with the puncture image channel (3) is arranged in the inner sheath tube (11) along the axial direction of the inner sheath tube;
the front end of the puncture outfit handle (1) is fixedly connected with an outer sheath pipe device, the outer sheath pipe device comprises an outer sheath pipe joint (13) with one end coaxially and detachably fixed on the outer surface of the front end of the puncture outfit handle (1) and an outer sheath pipe (14) coaxially and fixedly connected with the other end of the outer sheath pipe joint (13), an outer sheath pipe (15) is arranged in the outer sheath pipe (14) along the axial direction of the outer sheath pipe joint, a joint pore canal (16) is formed in the outer sheath pipe joint (13) along the axial direction of the outer sheath pipe joint, the middle part and the rear part of the inner sheath pipe (11) are respectively arranged in the outer sheath pipe (15) and the joint pore canal (16), and gaps exist between the pipe wall of the outer sheath pipe (15) and the pore wall of the joint pore canal (16) and the outer wall of the inner sheath pipe (11);
the puncture needle tube comprises a puncture needle tube positioning support (4.1) and a puncture needle tube movable support (4.2), wherein a barb sampling hole (9) is formed in the outer wall of the front end of the puncture needle tube (2), the puncture illumination connector (4) comprises a puncture needle tube positioning support (4.1) with the front end fixed in a puncture image channel (3) and a puncture needle tube fixed support (24) connected to the puncture needle tube positioning support (4.1) and capable of moving back and forth along the puncture needle tube positioning support (4.1), and the outer wall of the puncture needle tube (2) is fixed with the puncture needle tube movable support (4.2) in a matched and fixed mode.
2. The combined inner and outer sheath visual penetration sampler of claim 1, wherein: the front end fixedly connected with of puncture ware handle (1) with the coaxial intercommunication of puncture image channel (3) cassette joint (17), be equipped with cassette elastic boss (18) on the front end circumference surface of cassette joint (17), be located offer cassette positioning groove (19) on the circumference external surface of cassette joint (17) at cassette elastic boss (18) rear, open on the rear end internal surface of sheath coupling (13) with cassette elastic boss (18) complex sheath coupling positioning groove (20) and with cassette positioning groove (19) complex sheath coupling elastic boss (21).
3. The combined inner and outer sheath visual penetration sampler of claim 1, wherein: the front end of the outer sheath tube (14) is a conical tube, a plurality of outer sheath tube water inlet holes (22) communicated with the outer sheath tube (15) are formed in the tube wall of the conical tube, and an outer sheath tube joint water outlet hole (23) communicated with the joint pore channel (16) is formed in the outer sheath tube joint (13).
4. The combined inner and outer sheath visual penetration sampler of claim 1, wherein: the puncture needle tube positioning support (4.1) is internally provided with a through hole coaxial with the puncture image channel (3), the puncture needle tube moving support (4.2) comprises a needle tube moving cylinder (25) which is positioned at the front end of the puncture needle tube moving cylinder and arranged in the through hole of the puncture needle tube positioning support (4.1), the outer surface of the needle tube moving cylinder (25) is attached to the hole wall of the through hole of the puncture needle tube positioning support (4.1), and the puncture needle tube moving support (4.2) is internally provided with a through hole coaxial with the puncture image channel (3).
5. The combined inner and outer sheath visual penetration sampler of claim 4, wherein: the puncture needle tube moving support (4.2) further comprises a needle tube locating ring (26) positioned at the rear end of the puncture needle tube moving support, the puncture needle tube fixing support (24) comprises a needle tube fixing ring seat (24.1) positioned at the front end of the puncture needle tube fixing support and capable of being sleeved and fixed on the needle tube locating ring (26), a through hole coaxial with the puncture needle tube (2) is formed in the puncture needle tube fixing support (24), and the outer surface of the puncture needle tube (2) is fixedly connected with the inner surface of the puncture needle tube fixing support (24).
6. The combined inner and outer sheath visual penetration sampler of claim 5, wherein: the outer wall of the puncture needle tube (2) is connected with an image lighting device movable support (27) which can move back and forth along the puncture needle tube (2).
7. The combined inner and outer sheath visual penetration sampler of claim 6, wherein: the puncture needle tube fixing support (24) further comprises an image lighting device locating cylinder (24.2) which is positioned at the rear end and fixed on the outer surface of the puncture needle tube (2), the image lighting device moving support (27) comprises an image lighting device moving cylinder (27.1) which is sleeved on the image lighting device locating cylinder (24.2), the inner surface of the image lighting device moving cylinder (27.1) is attached to the outer surface of the image lighting device locating cylinder (24.2), the image lighting device moving support (27) further comprises a obturator fixing ring (27.2) which is positioned at the rear end and can be matched and fixed with a obturator (28), and a through hole coaxial with the puncture needle tube (2) is formed in the image lighting device moving support (27).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810489886.9A CN108433757B (en) | 2018-05-21 | 2018-05-21 | Visible puncture sampler with combined inner sheath and outer sheath |
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CN109106430A (en) * | 2018-09-07 | 2019-01-01 | 施爱德(厦门)医疗器材有限公司 | Telescopic puncture outfit |
CN110680408A (en) * | 2019-10-17 | 2020-01-14 | 常州朗合医疗器械有限公司 | Bronchus puncture wall breaking device |
CN112438693A (en) * | 2020-12-09 | 2021-03-05 | 武汉佑康科技有限公司 | Combined endoscope with visual expansion function and head end capable of being accurately positioned |
CN116763409B (en) * | 2023-08-25 | 2023-11-03 | 中国人民解放军总医院第三医学中心 | Ultrasonic guiding therapeutic device |
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