CN108836240A - A kind of sealing expansion joint and its mounting connection structure with endoscope - Google Patents
A kind of sealing expansion joint and its mounting connection structure with endoscope Download PDFInfo
- Publication number
- CN108836240A CN108836240A CN201810969573.3A CN201810969573A CN108836240A CN 108836240 A CN108836240 A CN 108836240A CN 201810969573 A CN201810969573 A CN 201810969573A CN 108836240 A CN108836240 A CN 108836240A
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- Prior art keywords
- connector
- sleeve
- expansion joint
- obturator
- endoscope
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- 238000007789 sealing Methods 0.000 title claims abstract description 87
- 238000005286 illumination Methods 0.000 claims abstract description 31
- 238000002647 laser therapy Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 244000144985 peep Species 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 208000006568 Urinary Bladder Calculi Diseases 0.000 abstract description 8
- 239000013307 optical fiber Substances 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001575 pathological effect Effects 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000003734 kidney Anatomy 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
- 230000009467 reduction Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 208000000913 Kidney Calculi Diseases 0.000 description 1
- 206010029148 Nephrolithiasis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002682 general surgery Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
Classifications
-
- 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
- A61B1/04—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 combined with photographic or television appliances
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00066—Proximal part of endoscope body, e.g. handles
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00105—Constructional details of the endoscope body characterised by modular construction
-
- 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
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
-
- 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
- A61B1/00131—Accessories for endoscopes
-
- 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
- A61B1/06—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 with illuminating arrangements
-
- 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
- A61B1/12—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 with cooling or rinsing arrangements
- A61B1/126—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 with cooling or rinsing arrangements provided with means for cleaning in-use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B18/26—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor for producing a shock wave, e.g. laser lithotripsy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/361—Image-producing devices, e.g. surgical cameras
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/36—Image-producing devices or illumination devices not otherwise provided for
- A61B90/37—Surgical systems with images on a monitor during operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00505—Urinary tract
- A61B2018/00511—Kidney
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Electromagnetism (AREA)
- Otolaryngology (AREA)
- Gynecology & Obstetrics (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a kind of sealing expansion joints, including mutually matched pin end and female connector, the axis hole passed through for the medical device of endoscope is had in pin end and in female connector, the outer end of female connector is equipped with channel connector that can be fixed with the channel connector of endoscope, abutment sleeve is fixed in female connector, inserted with pin end in abutment sleeve, adjusting sleeve is threaded on the outer surface of abutment sleeve, positioning ring is fixedly connected on the outer surface of pin end, adjust the locating slot for being equipped in sleeve and cooperating with positioning ring, one end of the remotely located sleeve of pin end is equipped with device connector that can be fixed with the medical device of endoscope.The depth that image illumination device is inserted into endoscope handle is adjusted by sealing expansion joint to adjust range of observation, Bladder stone optical fiber is inserted by instrument connector, and Bladder stone is adjusted by sealing expansion joint and is compensated.
Description
Technical field
The present invention relates to minimally invasive medical equipment technology field, in particular to a kind of sealing expansion joint and its with endoscope
Mounting connection structure.
Background technique
Minimally Invasive Surgery is because it is with reduction patient suffering, advantageous recovery, specious, shortening hospital stays, reduction at present
The advantages such as expense have been widely used and Urology Surgery, orthopaedics, gynaecology, department of general surgery, thoracic surgery, pathology, ophthalmology Ke Deng department.It is existing
Stage Urological Field treat kidney stone, it is common to use percutaneous nephrolithy takes stone to perform the operation, it is this operation have wound it is small, to kidney
Dirty and damaging surrounding tissue is small, it is painful it is light, treatment cycle is short, effect is got instant result, restores the advantages that fast.
When clinically the operation of traditional percutaneous nephrolithy enters kidney because puncturing, operator is by feel or super
Predetermined depth judges to be pierced into position under the guidance such as sound, CT, these methods compare blindly, it is time-consuming, when make mistakes and easily cause
Following problems：
1) it cannot be quick and precisely inserted into image illumination device in puncture process, and precisely adjusts image illumination device and is being pierced into
The position at position can not effectively observe diseased region in the course of surgery, increase operating difficulty；
2) when diseased region is needed using laser therapy, it cannot be quickly and accurately inserted into device for laser therapy, cause to swash
Light treatment is difficult, and due to can not precisely adjust device for laser therapy in the position of diseased region, and causing can not after laser loss
Compensation causes treatment to terminate.
Summary of the invention
The purpose of the present invention is to solve the deficiency of the above background technology, provide a kind of structure it is simple, can medical assistance
Instrument carries out the sealing expansion joint of accurate observation and treatment to puncture and treatment position and its connect knot with the installation of endoscope
Structure.
In order to achieve this, sealing expansion joint designed by the present invention, including the pin end and female connector axially engaged,
The axis hole passed through for the medical device of endoscope, the mother are provided with along respective axial direction respectively in the pin end and in female connector
The outer end of connector is equipped with the channel connector that can be docked with the channel connector of endoscope, and inner end is equipped with abutment sleeve；The public access
Head is set in the abutment sleeve, and being connected between the inner surface of the abutment sleeve and the outer surface of the pin end can limit
The circumferential position limiting structure to produce relative rotation between the pin end and the abutment sleeve is made, the outer end of the pin end passes through
The abutment sleeve is fixedly connected with the device connector that can be connect with the medical device of endoscope, the appearance of the abutment sleeve
Face is equipped with external screw thread, is arranged with adjusting sleeve on the abutment sleeve, the inner surface for adjusting sleeve be equipped with it is described
The internal screw thread of the external screw thread cooperation of abutment sleeve, by the way that the pin end can be limited between the adjusting sleeve and the pin end
The axial limit structure that relative axial movement is generated between the adjusting sleeve is connected.
Further, it is fixed to be additionally provided with the female connector in the channel connector that can be inserted into the endoscope for one end of the female connector
Position column, the female connector positioning column is interior to be provided with the axis hole passed through for the medical device of endoscope, the female connector along its axial direction
Positioning column is coaxially disposed in the channel connector.
Further, the circumferential position limiting structure is the sealing ring for being fixed on the inner end of the pin end, described
Sealing ring is bonded with the inner surface of the abutment sleeve.
Further, it is provided with stepped groove on the outer surface of the inner end of the pin end, is fixed in the stepped groove close
Big envelope is provided with annular groove in the circumferential exterior surface of the sealing shroud, and the sealing ring is fixed in the annular groove.
Further, the axial limit structure includes being fixedly and coaxially connected on the outer end outer surface of the pin end
Positioning ring and the locating slot being opened on the inner surface for adjusting sleeve, the positioning ring are set in the locating slot.
Further, the adjusting sleeve includes the inner screw sheath being threadedly coupled with the abutment sleeve and is fixed on described
Inner screw sheath is far from the limited cover on one end outer surface of the abutment sleeve, the inner surface of the limited cover and the internal screw thread
It covers the end face far from described abutment sleeve one end and surrounds the locating slot, be provided on the limited cover and for described device connector
The via hole passed through.
Further, ladder is provided in the circumferential exterior surface of the one end of the inner screw sheath far from the abutment sleeve
Slot, the limited cover include the limit sleeve being fixed in the stepped groove and are fixedly and coaxially connected in the limit sleeve far from described
The limit film being structure as a whole on the inner surface of inner screw sheath one end, with the limit sleeve is provided with described in confession in the limit film
The via hole that device connector passes through, the limit film are located at a side surface in the limit sleeve, the inner screw sheath far from institute
The inner surface for stating the one end of end face and the limit sleeve far from the abutment sleeve of abutment sleeve one end surrounds the locating slot.
The mounting connection structure of described above sealing expansion joint and endoscope, including endoscope handle, it is set to institute
State image illumination device fitting, image illumination device and the sealing expansion joint in endoscope handle；Described image illumination
Device fitting and the channel connector of the sealing expansion joint are fixed, fixed on the device connector of the sealing expansion joint
There is obturator, described image lighting device is set to described across obturator, sealing expansion joint and image illumination device fitting
In endoscope handle.
Further, the outer surface of described image lighting device connector be equipped with external screw thread, the channel connector it is interior
Surface is equipped with the internal screw thread cooperated with the external screw thread of described image lighting device connector.
Further, the obturator includes obturator first sleeve, obturator second sleeve and obturator sealing ring, institute
It states obturator first sleeve and is provided with vertical thread groove along its circumferential bottom surface, set on the outer surface of cupular part of the obturator second sleeve
There is the screw thread with the vertical thread groove cooperation, is fixedly connected on the inner wall of the obturator first sleeve coaxial close
Seal compress column, the obturator second sleeve from top to bottom along its axial direction offer obturator sealing circle hole and with it is described
The fixed obturator connecting hole of device connector, the obturator sealing ring are set to the obturator sealing ring positioning hole.
Further, it is fixedly connected with and described device connector on the inner wall of the obturator sealing circle hole
The axis of the obturator positioning column of shaft hole matching, the axis of the obturator positioning column and the obturator second sleeve is located at same
On one straight line, the obturator positioning column is provided with the axis hole passed through for described image lighting device along its axial direction.
Also further, the hole wall of the obturator connecting hole is equipped with screw thread, on the outer surface of described device connector
Equipped with the external screw thread being threadedly engaged with the obturator connecting hole.
The mounting connection structure of sealing expansion joint and endoscope described above, further includes being set to the endoscope hand
Instrument connector, device for laser therapy and the sealing expansion joint on handle；The instrument connector and the sealing expansion joint
Channel connector fix, the device for laser therapy pass through sealing expansion joint and instrument connector be set to the endoscope hand
In handle, being fixed on the outer surface of the device for laser therapy can cooperate with described device connector, limit the laser therapy
The connector position limiting structure of relative axial movement is generated between device and instrument connector.
Further, the outer surface of the instrument connector is equipped with external screw thread, sets on the inner surface of the channel connector
There is the internal screw thread with the cooperation of the external screw thread of the instrument connector.
Further, the connector position limiting structure is the device being coaxially fixed on the outer surface of the device for laser therapy
Tool locating cover, the instrument locating cover, which is arranged, to be fixed on described device connector.
The beneficial effects of the invention are as follows：
1, sealing expansion joint structure of the present invention is simple, easy to use.According to operation demand, expansion joint is sealed
It can be applied in combination with image illumination device or device for laser therapy.When sealing expansion joint is applied in combination with image illumination device
When, image illumination device is inserted into endoscope handle, is adjusted by sealing expansion joint quick insertion image illumination device and precisely
Depth in whole image illumination device insertion endoscope handle fills the water to adjust range of observation from water filling connector, and water flow passes through
It is intracavitary and wash the shelter before camera lens open that needle tubing enters human body, guarantees unobscured, image clearly.
2, broken to pathological tissues when removing, treating after the intracavitary progress pathological tissues of human body are detected and diagnosed, doctor will be multistage
Expansion pipe is pushed into puncture orifice, and using expansion enlargement of pipe puncture orifice, it is intracavitary that expansion pipe enters human body, is observed by image illumination device
Expansion pipe enters the endoceliac position of people, after determining good position, adjusts puncture needle and lesion by the observation of image illumination device
The relative position of tissue.Laser therapy is carried out to pathological tissues by instrument connector quick insertion Bladder stone optical fiber, broken except disease
It is lossy to become Bladder stone in organizational process, can be adjusted in the insertion that Bladder stone adjusts Bladder stone into standard and be peeped by sealing expansion joint
Depth in mirror handle compensates the Bladder stone of diseased region.
Detailed description of the invention
Fig. 1 is the perspective view that expansion joint is sealed in the present invention；
Fig. 2 is the connection structure main view that expansion joint and endoscope are sealed in the present invention；
Fig. 3 is the connection structure left view that expansion joint and endoscope are sealed in the present invention；
Fig. 4 is A-A cross-sectional view in Fig. 3；
Fig. 5 is the longitudinal sectional view that expansion joint is sealed in Fig. 4；
Fig. 6 is the perspective view of obturator；
Fig. 7 is the main view of obturator；
Fig. 8 is B-B cross-sectional view in Fig. 7；
Fig. 9 is the longitudinal sectional view of obturator first sleeve in Fig. 8；
Figure 10 is the longitudinal sectional view of obturator sealing ring in Fig. 8；
Figure 11 is the longitudinal sectional view of obturator second sleeve in Fig. 8；
Wherein, 1-pin end (1.1-positioning rings, 1.2-device connectors), (2.1-channels connection of 2-female connectors
Head, 2.2-abutment sleeves, 2.3-female connector positioning columns), 3-adjust sleeve (3.1-inner screw sheaths, 3.2-limited covers),
4-expansion sheaths, 5-locating slots, 6-sealing rings, 7-sealing shrouds, 8-limit sleeves, 9-limit films, 10-endoscope handles,
11-image illumination devices, 12-image illumination device fittings, 13-obturators (13.1-obturator first sleeves, 13.2-
Obturator second sleeve, 13.3-obturator sealing rings), 14-vertical thread grooves, 15-sealing rings compress column, 16-obturators
Sealing circle hole, 17-obturator connecting holes, 18-obturator positioning columns, 19-device for laser therapy, 20-instrument connectors,
21-instrument locating covers, 22-negative pressure connecting tubes, 23-vacuum suctions adjust connector, and 24-puncture sampling needle tubing landing nipple,
25-puncture sampling needle tubing, 26-water filling connectors, 27-expansion sheath handles.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Expansion joint, including pin end 1 and female connector 2 are sealed as shown in Fig. 1-11, are opened in pin end 1 along its axial direction
There is the axis hole that can cooperate with the medical device of endoscope, is provided with via hole corresponding with the axis hole of pin end 1 in female connector 2, mother connects
First 2 one end is equipped with the channel connector of channel connector 2.1 and pluggable endoscope that can be fixed with the channel connector of endoscope
Interior female connector positioning column 2.3, female connector positioning column 2.3 is interior to be provided with the axis passed through for the medical device of endoscope along its axial direction
Hole, female connector positioning column 2.3 are coaxially disposed in channel connector 2.1.The other end of female connector 2 is fixed with abutment sleeve 2.2,
It is inserted into pin end 1 in abutment sleeve 2.2, is threaded on the outer surface of abutment sleeve 2.2 and adjusts sleeve 3, outside pin end 1
Positioning ring 1.1 is fixedly connected on surface, one end of the remotely located sleeve 2.2 of pin end 1, which is equipped with, to be filled with the medical treatment of endoscope
Set fixed device connector 1.2.Pin end 1, which is located on the outer surface of one end in abutment sleeve 2.2, is fixed with sealing shroud 7,
It is provided with annular groove on the outer surface of sealing shroud 7, sealing ring 6 is fixed in annular groove.The inner surface of sealing ring 6 and abutment sleeve 2.2 pastes
It closes.
Sleeve 3 is adjusted to include the inner screw sheath 3.1 being threadedly coupled with abutment sleeve 2.2 and be fixed on inner screw sheath 3.1 far
From the limited cover 3.2 on 2.2 one end outer surface of abutment sleeve, ladder is provided in the circumferential exterior surface of one end of inner screw sheath 3.1
Slot, limited cover 3.2 include the limit sleeve 8 being fixed in stepped groove and are fixedly and coaxially connected in limit sleeve 8 far from inner screw sheath 3.1
The limit film 9 being structure as a whole on the inner surface of one end, with limit sleeve 8 is provided in limit film 9 and passes through for device connector 1.2
Via hole, limit film 9 be located at a side surface in limit sleeve 8, remotely located 2.2 one end of sleeve of inner screw sheath 3.1 end face and
The inner surface of limit sleeve 8, which is surrounded, cooperates locating slot 5 with positioning ring 1.1.
Due to being equipped with sealing ring 6 between the inner end and abutment sleeve 2.2 of pin end 1, sealing ring 6 and abutment sleeve 2.2 it
Between friction power limit pin end 1 rotated relative to abutment sleeve 2.2, while positioning ring 1.1 and the fit structure of locating slot 5 make
Axial relative movement is not generated between pin end 1 and adjusting sleeve 3, to realize axis of the pin end 1 in abutment sleeve 2.2
It moves forwards, backwards.
The mounting connection structure of above-mentioned sealing expansion joint and endoscope, including endoscope handle 10, medical device packet
Image illumination device 11 and device for laser therapy 19 are included, channel connector includes the image illumination dress being set in endoscope handle 10
The instrument connector 20 setting connector 12 and being set in endoscope handle 10.
Image illumination device fitting 12 is fixed with a sealing expansion joint, and image illumination device 11 (such as fibre scope) is passed through and closed
Hole device 13, the sealing expansion joint and image illumination device fitting 12 fixed with image illumination device fitting 12, obturator 13 with
Device connector 1.2 is fixed.Obturator 13 includes that obturator first sleeve 13.1, obturator second sleeve 13.2 and obturator are close
Seal 13.3, obturator first sleeve 13.1 are provided with vertical thread groove 14 along its circumferential bottom surface, obturator second sleeve 13.2
Outer surface of cupular part is equipped with the screw thread cooperated with vertical thread groove 14, is fixedly connected on the inner wall of obturator first sleeve 13.1
Coaxial sealing ring compresses column 15, and obturator second sleeve 13.2 offers obturator sealing ring along its axial direction from top to bottom
Location hole 16 and the obturator connecting hole 17 cooperated with device connector 1.2, it is close that obturator sealing ring 13.3 is set to obturator
In seal location hole 16, it is fixedly connected with and the shaft hole matching of device connector on the inner wall of obturator sealing circle hole 16
Obturator positioning column 18, the axis of obturator positioning column 18 and the axis of obturator second sleeve 13.2 are located along the same line,
Obturator positioning column 18 is provided with the axis hole passed through for image illumination device 11 along its axial direction.
Instrument connector 20 is fixed with another sealing expansion joint, and device for laser therapy 19 (such as Bladder stone) is passed through and connect with instrument
First 20 fixed sealing expansion joints and instrument connector 20 are fixed with instrument locating cover on the outer surface of device for laser therapy 19
21, instrument locating cover 21, which is arranged, to be fixed on device connector 1.2.
In the present invention, device for laser therapy and image illumination device are adjusted in endoscope by sealing expansion joint
Front-rear position, concrete operations are as follows：
Adjust image illumination device：People holds female connector 2 on the other hand, rotates obturator first sleeve 13.1, obturator sealing
Circle 13.3 is fitted close the outer surface of obturator sealing ring 13.3 and image illumination device 11, rotates inner screw sheath 3.1 at this time
The relative rotation between inner screw sheath 3.1 and abutment sleeve 2.2, device connector 1.2 and obturator positioning column 18 can be passed through
Fixed, image illumination device 11 is just moved with pin end 1 simultaneously at this time, realizes moving forward and backward in endoscope handle 10.
Adjust device for laser therapy：Instrument locating cover 21 and device connector 1.2 are fixed, and people holds female connector 2 on the other hand, turn
Dynamic inner screw sheath 3.1 can realize the front and back of pin end 1 by the relative rotation between inner screw sheath 3.1 and abutment sleeve 2.2
Mobile, since instrument locating cover 21 and device connector 1.2 are fixed, device for laser therapy 11 is just with the same luck of pin end 1 at this time
It is dynamic, the back-and-forth motion in endoscope handle 10 is realized, it, can be by adjusting device for laser therapy 11 when laser loss
Front-rear position realizes compensation.
The above described is only a preferred embodiment of the present invention, not being done in any form to structure of the invention
Limitation.Any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
In the range of still falling within technical solution of the present invention.
Claims (15)
1. a kind of sealing expansion joint, it is characterised in that：Including the pin end (1) and female connector (2) axially engaged, the public access
It is provided with the axis hole passed through for the medical device of endoscope along respective axial direction respectively in head (1) and in female connector (2), the mother connects
The outer end of head (2) is equipped with the channel connector (2.1) that can be docked with the channel connector of endoscope, and inner end is equipped with abutment sleeve
(2.2)；The pin end (1) is set in the abutment sleeve (2.2), the inner surface of the abutment sleeve (2.2) with it is described
It is connected with to limit between the outer surface of pin end (1) and be generated relatively between the pin end (1) and the abutment sleeve (2.2)
The circumferential position limiting structure of rotation, the outer end of the pin end (1) pass through the abutment sleeve (2.2) and are fixedly connected with and can peep with interior
The device connector (1.2) of the medical device connection of mirror, the outer surface of the abutment sleeve (2.2) is equipped with external screw thread, described
It is arranged on abutment sleeve (2.2) and adjusts sleeve (3), the inner surface for adjusting sleeve (3) is equipped with and the abutment sleeve
(2.2) internal screw thread of external screw thread cooperation, by the way that the public affairs can be limited between the adjusting sleeve (3) and the pin end (1)
The axial limit structure that relative axial movement is generated between connector (1) and adjusting sleeve (3) is connected.
2. sealing expansion joint as described in claim 1, it is characterised in that：One end of the female connector (2) is additionally provided with and can insert
Enter the female connector positioning column (2.3) in the channel connector of the endoscope, is opened in the female connector positioning column (2.3) along its axial direction
There is the axis hole that the medical device for endoscope passes through, female connector positioning column (2.3) coaxial arrangement is connected in the channel
In head (2.1).
3. sealing expansion joint as described in claim 1, it is characterised in that：The circumferential direction position limiting structure is to be fixed on
The sealing ring (6) of the inner end of the pin end (1), the sealing ring (6) are bonded with the inner surface of the abutment sleeve (2.2).
4. sealing expansion joint as claimed in claim 3, it is characterised in that：On the outer surface of the inner end of the pin end (1)
It is provided with stepped groove, is fixed in the stepped groove sealing shroud (7), is provided with annular groove in the circumferential exterior surface of the sealing shroud (7), institute
Sealing ring (6) is stated to be fixed in the annular groove.
5. sealing expansion joint as described in claim 1, it is characterised in that：The axial limit structure includes coaxial fixed company
It the positioning ring (1.1) that is connected on the outer end outer surface of the pin end (1) and is opened on the inner surface for adjusting sleeve (3)
Locating slot (5), the positioning ring (1.1) is set in the locating slot (5).
6. sealing expansion joint as claimed in claim 5, it is characterised in that：The adjusting sleeve (3) includes and the positioning
The inner screw sheath (3.1) and be fixed on the inner screw sheath (3.1) far from the abutment sleeve that sleeve (2.2) is threadedly coupled
(2.2) limited cover (3.2) on one end outer surface, the inner surface of the limited cover (3.2) and the inner screw sheath (3.1) are remote
End face from the abutment sleeve (2.2) one end surrounds the locating slot (5), is provided on the limited cover (3.2) and for described
The via hole that device connector (1.2) passes through.
7. sealing expansion joint as claimed in claim 6, it is characterised in that：The inner screw sheath (3.1) is far from the positioning
Stepped groove is provided in the circumferential exterior surface of one end of sleeve (2.2), the limited cover (3.2) includes being fixed in the stepped groove
Limit sleeve (8) and be fixedly and coaxially connected in the limit sleeve (8) far from the inner screw sheath (3.1) one end inner surface on,
The limit film (9) being structure as a whole with the limit sleeve (8), the limit film (9) is interior to be provided with for described device connector (1.2)
The via hole passed through, the limit film (9) are located at a side surface in the limit sleeve (8), the inner screw sheath (3.1) far from institute
The inner surface for stating the one end of end face and the limit sleeve (8) far from the abutment sleeve (2.2) of abutment sleeve (2.2) one end encloses
At the locating slot (5).
8. one kind has the mounting connection structure of sealing expansion joint and endoscope described in any one of claim 1-7,
Including endoscope handle (10), the image illumination device fitting (12) being set on the endoscope handle (10), image illumination
Device (11) and the sealing expansion joint；The channel of described image lighting device connector (12) and the sealing expansion joint connects
Connector (2.1) is fixed, is fixed with obturator (13) on the device connector (1.2) of the sealing expansion joint, described image is shone
Bright device (11) passes through obturator (13), sealing expansion joint and image illumination device fitting (12) and is set to the endoscope hand
In handle (10).
9. the mounting connection structure of sealing expansion joint and endoscope as claimed in claim 8, it is characterised in that：Described image
The outer surface of lighting device connector (12) is equipped with external screw thread, the inner surface of the channel connector (2.1) be equipped with it is described
The internal screw thread of the external screw thread cooperation of image illumination device fitting (12).
10. the mounting connection structure of sealing expansion joint and endoscope as claimed in claim 8, it is characterised in that：It is described to close
Hole device (13) includes obturator first sleeve (13.1), obturator second sleeve (13.2) and obturator sealing ring (13.3), institute
It states obturator first sleeve (13.1) to be provided with vertical thread groove (14) along its circumferential bottom surface, the obturator second sleeve (13.2)
Outer surface of cupular part be equipped with the screw thread with vertical thread groove (14) cooperation, the obturator first sleeve (13.1) it is interior
Coaxial sealing ring compression column (15) is fixedly connected on wall, the obturator second sleeve (13.2) is from top to bottom along it
Axially offer obturator sealing circle hole (16) and the obturator connecting hole fixed with described device connector (1.2)
(17), the obturator sealing ring (13.3) is set in obturator sealing circle hole (16).
11. the mounting connection structure of sealing expansion joint and endoscope as claimed in claim 10, it is characterised in that：It is described to close
The obturator with the shaft hole matching of described device connector (1.2) is fixedly connected on the inner wall of hole device sealing circle hole (16)
The axis of positioning column (18), the axis of the obturator positioning column (18) and the obturator second sleeve (13.2) is located at same
On straight line, the obturator positioning column (18) is provided with the axis hole passed through for described image lighting device (11) along its axial direction.
12. the mounting connection structure of sealing expansion joint and endoscope as claimed in claim 10, it is characterised in that：It is described to close
The hole wall of hole device connecting hole (17) is equipped with screw thread, and the outer surface of described device connector (1.2) is equipped with and the obturator
The external screw thread of connecting hole (17) being threadedly engaged.
13. there is one kind sealing expansion joint described in any one of claim 1-7 and the installation of endoscope connection to tie
Structure, including endoscope handle (10), the instrument connector (20), the device for laser therapy that are set on the endoscope handle (10)
(19) and the sealing expansion joint；The channel connector (2.1) of the instrument connector (20) and the sealing expansion joint is solid
Fixed, the device for laser therapy (19) passes through sealing expansion joint and instrument connector (20) is set to the endoscope handle (10)
It is interior, be fixed on the outer surface of the device for laser therapy (19) can with described device connector (1.2) cooperate, limit it is described swash
The connector position limiting structure of relative axial movement is generated between Phototherapeutic device (19) and instrument connector (20).
14. the mounting connection structure of sealing expansion joint and endoscope as claimed in claim 13, it is characterised in that：The device
The outer surface of tool connector (20) is equipped with external screw thread, and the inner surface of the channel connector (2.1) is equipped with to be connect with the instrument
The internal screw thread of the external screw thread cooperation of head (20).
15. the mounting connection structure of sealing expansion joint and endoscope as claimed in claim 13, it is characterised in that：It is described to connect
Head position limiting structure is the instrument locating cover (21) being coaxially fixed on the outer surface of the device for laser therapy, the instrument positioning
Lid (21), which is arranged, to be fixed on described device connector (1.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969573.3A CN108836240B (en) | 2018-08-23 | 2018-08-23 | Sealed expansion joint and mounting connection structure thereof with endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969573.3A CN108836240B (en) | 2018-08-23 | 2018-08-23 | Sealed expansion joint and mounting connection structure thereof with endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108836240A true CN108836240A (en) | 2018-11-20 |
| CN108836240B CN108836240B (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810969573.3A Active CN108836240B (en) | 2018-08-23 | 2018-08-23 | Sealed expansion joint and mounting connection structure thereof with endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108836240B (en) |
Cited By (3)
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| CN111297313A (en) * | 2020-03-02 | 2020-06-19 | 陈鹏 | Human body insertion assembly and nasal endoscope |
| 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 |
| CN116831499A (en) * | 2023-07-10 | 2023-10-03 | 湖南中聚内窥镜有限公司 | Electronic endoscope |
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| Publication number | Publication date |
|---|---|
| CN108836240B (en) | 2024-01-19 |
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