CN107928766A - A kind of medical totally enclosed type sting device - Google Patents
A kind of medical totally enclosed type sting device Download PDFInfo
- Publication number
- CN107928766A CN107928766A CN201711321609.9A CN201711321609A CN107928766A CN 107928766 A CN107928766 A CN 107928766A CN 201711321609 A CN201711321609 A CN 201711321609A CN 107928766 A CN107928766 A CN 107928766A
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- casing
- leading portion
- back segment
- medial sleeve
- internal
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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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00796—Breast surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3419—Sealing means between cannula and body
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Gastroenterology & Hepatology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of medical totally enclosed type sting device, it is characterised in that：Including internal puncture needle（4）, leading portion casing（1）, medial sleeve（2）With back segment casing（3）；The leading portion casing（1）Front end be openend, medial sleeve（2）Through leading portion casing（1）Rear end face and with leading portion casing（1）Rear end face be slidably connected；The medial sleeve（2）Front end be openend, medial sleeve（2）Front end be arranged at leading portion casing（1）It is interior, medial sleeve（2）Back-end closure and be arranged at leading portion casing（1）It is exterior；The back segment casing（3）Front end be openend, back segment casing（3）Through medial sleeve（2）Rear end face and and medial sleeve（2）Rear section be slidably connected, back segment casing（3）Back-end closure；The internal puncture needle（4）Front end be puncture tip, internal puncture needle（4）Back-end closure, internal puncture needle（4）Leading portion be arranged at medial sleeve（2）It is interior.In the technical solution of the application, blood is blocked to obtain clearly surgical field of view by bloodstream blocking stent, and it is simple in structure, and barrier effect is good.
Description
Technical field
The present invention relates to a kind of medical totally enclosed type sting device, belong to medical instruments field.
Background technology
Hydropericardium, pleural effusion are clinical medicine common diseases.Pleural effusion is that the liquid of pleural surface interstitial is excessive
Leak out or ooze out and put aside the liquid in pleural cavity, be commonly called as hydrothorax.Pleural effusion is not a kind of disease, but systemic disease
A kind of or consequence of pleural diseases.Its symptom includes pleura pectoralgia and shortness of breath；Therefore the extraction of pleural effusion can mitigate liquid
Compressing of the body to lung tissue, answers lung tissue and opens, alleviate the symptoms such as the expiratory dyspnea of patient.When puncturing extraction hydrops, first
To carry out disinfection to site of puncture, to there is bacterium to be entered in vivo with puncture needle when preventing and puncturing, be worn again later in disinfection
Thorn operation.Thimerosal and Centesis instrument of the prior art are all that split designs, and it is larger that both are added volume, inconvenient to carry,
And thimerosal easily spills during traveling.After pneumothorax puncture needle is taken out from packing, when puncture needle has one section
Between in the air in field, the pollution of puncture needle is caused, and since wild environment is complex, in piercing process
Easily there is pollutant to enter patient's body tissue from puncture hole, be easy to cause puncture infection.
The content of the invention
" thimerosal and Centesis instrument are all that split designs, and it is larger that both are added volume, takes for existing in the prior art
Band inconvenience, and thimerosal easily spills during traveling.After pneumothorax puncture needle is taken out from packing, puncture needle has
A period of time in the air in field, causes the pollution of puncture needle " deficiency, the present invention provides a kind of medical full envelope
Enclosed sting device.
In order to solve the above technical problems, the present invention adopts the technical scheme that, a kind of medical totally enclosed type sting device,
Including internal puncture needle, leading portion casing, medial sleeve and back segment casing；The front end of the leading portion casing is openend, and middle part covers
Pipe through leading portion casing rear end face and be slidably connected with the rear end face of leading portion casing；The front end of the medial sleeve is opening
End, the front end of medial sleeve are arranged in leading portion casing, and the back-end closure of medial sleeve is simultaneously arranged at leading portion jacket exterior；It is described
The front end of back segment casing is openend, and back segment casing passes through the rear end face of medial sleeve and slides company with the rear section of medial sleeve
Connect, the back-end closure of back segment casing；The front end of the internal puncture needle is puncture tip, and internal puncture needle back-end closure is internal
The leading portion of puncture needle is arranged in medial sleeve, and the back segment of internal puncture needle is socketed in back segment casing；The medial sleeve
Inner sealing piece, the side wall of inner sealing piece and the front inner wall fixing seal of medial sleeve are provided with front opening end；Institute
State and water conservancy diversion lancet and means are fixedly installed in the front opening end of leading portion casing, after medial sleeve slides in leading portion casing, lead
Stream lancet and means puncture inner sealing piece；Thimerosal is filled with the medial sleeve, being provided with drainage tube on back segment casing connects
Mouthful, it is socketed with sealing-plug in drainage tube interface；Puncture needle intake chute is provided with the rear end side wall of the internal puncture needle, is punctured
The internal puncture needle inside of pin intake chute connection and back segment inside pipe casing.
In the technical solution of the application, there is provided leading portion casing, medial sleeve and back segment casing, by medial sleeve with after
Internal puncture needle is socketed by the socket of section casing to be protected, and after outer packing is removed, internal puncture needle passes through medial sleeve, back segment set
The enclosure space protection that pipe, inner sealing piece surround, is not exposed in the air in field, prevents internal puncture needle to be subject to dirt
Dye.When in use, the front end alignment patient chest of leading portion casing is needed into the position punctured, makes medial sleeve first in leading portion set
Moved in pipe to leading portion cannula tip direction, during medial sleeve moves, water conservancy diversion lancet and means pierce inner sealing piece
After broken, the thimerosal of filling imported into cocurrent in leading portion casing front end by water conservancy diversion lancet and means in medial sleeve and back segment casing
To patient's epidermis site of puncture, carry out disinfection to patient's epidermis.Then mobile back segment casing is passed through so that back segment casing is at middle part
In-pipe is covered, in the moving process of back segment casing, back segment casing promotes internal puncture needle to be moved to extreme direction before medial sleeve
Dynamic, internal puncture needle punctures inner sealing piece and then patient is punctured first, and the hydrops after puncture in patient's body is in negative pressure
Under the action of be flowed into by the internal puncture needle intake chute for puncturing Aculeata in back segment casing, then drawn by drainage tube interface
Go out.In the technical solution of the application, the gap between the inner wall of internal puncture needle outer wall and back segment casing is minimum.
Optimize, above-mentioned totally enclosed type sting device, being provided with some inside being arranged in parallel in the medial sleeve leads
To piece, some through holes are provided with internal guide pin；The internal puncture needle is slided through internal guide pin and with internal guide pin
Dynamic connection.
The technical solution of the application is provided with internal guide pin in medial sleeve, passes through the guiding role of internal guide pin
Limitation prevents internal puncture needle from shifting in moving process.
Optimize, above-mentioned totally enclosed type sting device, medial sleeve slip is provided with the rear end face of the leading portion casing
Hole, medial sleeve pass through medial sleeve sliding eye, are provided between the outer wall of medial sleeve and the inner wall of medial sleeve sliding eye
Middle part seal washer, middle part seal washer are fixedly connected with medial sleeve sliding eye inner wall.
In the technical solution of the application, in order to increase the leakproofness between leading portion casing and medial sleeve, in medial sleeve
Outer wall and medial sleeve sliding eye inner wall between add middle part seal washer.
Optimize, above-mentioned totally enclosed type sting device, back segment cannula slide is provided with the rear end face of the medial sleeve
Hole, back segment casing pass through back segment cannula slide hole, and the outer wall of back segment casing is provided with external screw thread, the inner wall in back segment cannula slide hole
Internal thread is provided with, back segment casing is threadedly coupled with back segment cannula slide hole.
Due to being filled with thimerosal in medial sleeve, in order to increase the leakproofness between medial sleeve and back segment casing, this
It will be arranged to be threadedly coupled between the outer wall of back segment casing and back segment cannula slide hole in the technical solution of application, prevent thimerosal
Leakage.
Optimization, above-mentioned totally enclosed type sting device, the water conservancy diversion lancet and means include puncturing fixinig plate, puncture fixinig plate
It is arranged in the front opening end of leading portion casing, it is vertical with the axis of leading portion casing punctures fixinig plate；In the puncture fixinig plate
Portion is provided with puncture needle via, and puncture needle via is equipped with internal puncture needle；It is provided with the puncture fixinig plate some
Internal diversion puncture tube, internal diversion puncture tube are equipped with inner sealing piece, internal diversion puncture tube and inner sealing piece
Tip towards inner sealing piece.
In the technical solution of the application, inner sealing piece is punctured by internal diversion puncture tube and exports thimerosal,
After internal spike pierces inner sealing piece, internal puncture needle is through puncture needle via and by puncturing fixinig plate.
Optimize, above-mentioned totally enclosed type sting device, some spacing closure plugs be provided with the side wall of the leading portion casing,
Spacing closure plug protrudes leading portion internal surface of sleeve pipe through leading portion sleeve side walls and end, and spacing closure plug is in leading portion casing
One end is contacted with medial sleeve end.
Spacing closure plug can limit movement of the medial sleeve in leading portion casing, prevent in transportational process, because of malfunction
Work causes water conservancy diversion lancet and means to puncture inner sealing piece.Spacing closure plug is gone out when in use.
Optimization, above-mentioned totally enclosed type sting device, the front end of the leading portion casing is connected with an anterior hose, anterior
The step that one end of hose is provided with annular is raised, and the other end of anterior hose is internally provided with hemispheric built-in arc-like sheet；
The stepped recesses of annular are provided with the front inner wall of the leading portion casing, step protrusion is plugged in stepped recesses and and step
Groove thread fitting.
Anterior hose and built-in arc-like sheet are covered on site of puncture such as sucker when in use, in piercing process, are prevented
Outside air is entered in the space between anterior hose, built-in arc-like sheet and patient's epidermis, can so be prevented when puncturing
Internal puncture needle is polluted after stretching out be subject to large quantity of air.
Optimize, above-mentioned totally enclosed type sting device, be provided with some disinfection fluid through-holes on the built-in arc-like sheet, sterilize
Fluid through-hole is conical through hole, sterilizes the anterior inside hose of conical tip direction of fluid through-hole.
Thimerosal is sprayed onto patient's epidermis by sterilizing fluid through-hole, and disinfection fluid through-hole, which is arranged to cone, can increase disinfection
The distribution degree of liquid.
Optimization, above-mentioned totally enclosed type sting device, the medial sleeve is located at outside the end of one end in leading portion casing
Middle part slip ring, middle part slip ring and leading portion internal surface of sleeve pipe sliding contact are provided with surface.
Middle part slip ring prevents medial sleeve in the slip that leading portion casing shakes and can be smooth.
Optimization, above-mentioned totally enclosed type sting device, the back segment casing is located at outside the end of one end in medial sleeve
Back segment slip ring, back segment slip ring and medial sleeve inner wall sliding contact are provided with surface.
Back segment slip ring prevents back segment casing in the slip that medial sleeve shakes and can be smooth.
The advantage of the invention is that：In the technical solution of the application, there is provided leading portion casing, medial sleeve and back segment set
Internal puncture needle, is socketed and protected by pipe by the socket of medial sleeve and back segment casing, after outer packing is removed, internal puncture needle
The enclosure space surrounded by medial sleeve, back segment casing, inner sealing piece is protected, and is not exposed in the air in field, is prevented
Only internal puncture needle is contaminated.When in use, the front end alignment patient chest of leading portion casing is needed into the position punctured, first
Medial sleeve is set to be moved in leading portion casing to leading portion cannula tip direction, during medial sleeve moves, water conservancy diversion punctures
After component punctures inner sealing piece, the thimerosal of filling is imported into by water conservancy diversion lancet and means in medial sleeve and back segment casing
In leading portion casing front end and patient's epidermis site of puncture is flowed to, is carried out disinfection to patient's epidermis.Then by moving back segment casing,
So that back segment casing moves in medial sleeve, in the moving process of back segment casing, back segment casing promote internal puncture needle to
Extreme direction moves before medial sleeve, and internal puncture needle punctures inner sealing piece and then patient is punctured first, punctures future trouble
Hydrops in person's body is flowed into back segment casing under the action of negative pressure by the internal puncture needle intake chute for puncturing Aculeata, so
Drawn afterwards by drainage tube interface.In the technical solution of the application, between the inner wall of internal puncture needle outer wall and back segment casing
Gap is minimum.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the internal structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings with the specific embodiment technical characterstic that the present invention is further explained.
The present invention is a kind of medical totally enclosed type sting device, including internal puncture needle 4, leading portion casing 1, medial sleeve
2 and back segment casing 3；The front end of the leading portion casing 1 is openend, medial sleeve 2 through leading portion casing 1 rear end face and with it is preceding
The rear end face of section casing 1 is slidably connected；The front end of the medial sleeve 2 is openend, and the front end of medial sleeve 2 is arranged at leading portion
In casing 1, the back-end closure of medial sleeve 2 is simultaneously arranged at outside leading portion casing 1；The front end of the back segment casing 3 is openend,
Back segment casing 3 passes through the rear end face of medial sleeve 2 and is slidably connected with the rear section of medial sleeve 2, the rear end seal of back segment casing 3
Close；The front end of the internal puncture needle 4 is puncture tip, and internal 4 back-end closure of puncture needle, the leading portion of internal puncture needle 4 is set
In in medial sleeve 2, the back segment of internal puncture needle 4 is socketed in back segment casing 3；In the front opening end of the medial sleeve 2
It is provided with inner sealing piece 5, the side wall of inner sealing piece 5 and the front inner wall fixing seal of medial sleeve 2；The leading portion casing
Water conservancy diversion lancet and means are fixedly installed in 1 front opening end, after medial sleeve 2 slides in leading portion casing 1, water conservancy diversion puncture portion
Part punctures inner sealing piece 5；Thimerosal is filled with the medial sleeve 2, drainage tube interface 6 is provided with back segment casing 3, draws
Sealing-plug 7 is socketed with flow tube interface 6；Puncture needle intake chute 8 is provided with the rear end side wall of the internal puncture needle 4, is punctured
Pin intake chute 8 is connected inside the internal inside of puncture needle 4 and back segment casing 3.
In the technical solution of the application, there is provided leading portion casing 1, medial sleeve 2 and back segment casing 3, pass through medial sleeve 2
Internal puncture needle 4 is socketed protection by the socket with back segment casing 3, and after outer packing is removed, internal puncture needle 4 passes through medial sleeve
2nd, the enclosure space protection that back segment casing 3, inner sealing piece 5 surround, is not exposed in the air in field, prevents internal puncture
Pin 4 is contaminated.When in use, the front end alignment patient chest of leading portion casing 1 is needed into the position punctured, first covers middle part
Pipe 2 moves in leading portion casing 1 to 1 top orientation of leading portion casing, during medial sleeve 2 moves, water conservancy diversion lancet and means
After inner sealing piece 5 is punctured, the thimerosal of filling is imported into by water conservancy diversion lancet and means in medial sleeve 2 and back segment casing 3
In 1 front end of leading portion casing and patient's epidermis site of puncture is flowed to, is carried out disinfection to patient's epidermis.Then mobile back segment casing is passed through
3 so that back segment casing 3 moves in medial sleeve 2, and in the moving process of back segment casing 3, back segment casing 3 promotes inside to wear
Pricker 4 is moved to extreme direction before medial sleeve 2, and internal puncture needle 4 punctures inner sealing piece 5 and then patient is worn first
Thorn, the hydrops after puncture in patient's body are flowed under the action of negative pressure by the puncture needle intake chute 8 of internal 4 afterbody of puncture needle
In back segment casing 3, then drawn by drainage tube interface 6.In the technical solution of the application, internal 4 outer wall of puncture needle and back segment
Gap between the inner wall of casing 3 is minimum.
Some inside guide pins 9 being arranged in parallel are provided with the medial sleeve 2, if being provided with internal guide pin 9
Dry through hole；The internal puncture needle 4 is slidably connected through internal guide pin 9 and with internal guide pin 9.
The technical solution of the application is provided with internal guide pin 9 in medial sleeve 2, passes through the guiding of internal guide pin 9
Effect limitation prevents internal puncture needle 4 from shifting in moving process.
Medial sleeve sliding eye 11 is provided with the rear end face of the leading portion casing 1, medial sleeve 2 is slided through medial sleeve
Dynamic hole 11, is provided with middle part seal washer 12, middle part is close between the outer wall of medial sleeve 2 and the inner wall of medial sleeve sliding eye 11
Seal washer 12 is fixedly connected with 11 inner wall of medial sleeve sliding eye.
In the technical solution of the application, in order to increase the leakproofness between leading portion casing 1 and medial sleeve 2, covered at middle part
Middle part seal washer 12 is added between the outer wall of pipe 2 and the inner wall of medial sleeve sliding eye 11.
Back segment cannula slide hole 13 is provided with the rear end face of the medial sleeve 2, back segment casing 3 is slided through back segment casing
Dynamic hole 13, the outer wall of back segment casing 3 are provided with external screw thread, and the inner wall in back segment cannula slide hole 13 is provided with internal thread, back segment set
Pipe 3 is threadedly coupled with back segment cannula slide hole 13.
Due to being filled with thimerosal in medial sleeve 2, in order to increase the leakproofness between medial sleeve 2 and back segment casing 3,
It will be arranged to be threadedly coupled between the outer wall of back segment casing 3 and back segment cannula slide hole 13 in the technical solution of the application, prevent
Thimerosal is revealed.
The water conservancy diversion lancet and means include puncturing fixinig plate 14, and the front end that puncture fixinig plate 14 is arranged at leading portion casing 1 is opened
In mouth end, it is vertical with the axis of leading portion casing 1 to puncture fixinig plate 14；14 middle part of puncture fixinig plate is provided with puncture needle via
15, puncture needle via 15 is equipped with internal puncture needle 4；Some internal diversions are provided with the puncture fixinig plate 14 to puncture
Pipe 16, internal diversion puncture tube 16 are equipped with inner sealing piece 5, the point of internal diversion puncture tube 16 and inner sealing piece 5
Hold towards inner sealing piece 5.
In the technical solution of the application, inner sealing piece 5 is punctured by internal diversion puncture tube 16 and leads thimerosal
Go out, after internal puncture needle 4 punctures inner sealing piece 5, internal puncture needle 4 is through puncture needle via 15 and by puncturing fixinig plate
14。
Some spacing closure plugs 17 are provided with the side wall of the leading portion casing 1, spacing closure plug 17 passes through leading portion casing 1
Side wall and end protrude 1 inner wall of leading portion casing, spacing 17 one end in leading portion casing 1 of closure plug and 2 end of medial sleeve
Portion contacts.
Spacing closure plug 17 can limit movement of the medial sleeve 2 in leading portion casing 1, prevent in transportational process, because
Malfunction causes water conservancy diversion lancet and means to puncture inner sealing piece 5.Spacing closure is filled in 17 when in use to extract.
The front end of the leading portion casing 1 is connected with an anterior hose 18, and one end of anterior hose 18 is provided with annular
Step protrusion 19, the other end of anterior hose 18 are internally provided with hemispheric built-in arc-like sheet 21；Before the leading portion casing 1
Be provided with the stepped recesses 20 of annular on the inner wall of end, step protrusion 19 be plugged in stepped recesses 20 and with 20 screw thread of stepped recesses
Coordinate.
Anterior hose 18 and built-in arc-like sheet 21 are covered on site of puncture such as sucker when in use, in piercing process,
Prevent outside air from entering in the space between anterior hose 18, built-in arc-like sheet 21 and patient's epidermis, can so prevent
Polluted after puncture needle 4 stretches out inside when puncturing be subject to large quantity of air.
Some disinfection fluid through-holes 22 are provided with the built-in arc-like sheet 21, disinfection fluid through-hole 22 is conical through hole,
Sterilize inside the anterior hose 18 of conical tip direction of fluid through-hole 22.
Thimerosal is sprayed onto patient's epidermis by sterilizing fluid through-hole 22, and disinfection fluid through-hole 22, which is arranged to cone, to be increased
The distribution degree of thimerosal.
The medial sleeve 2, which is located in the end outer surface of one end in leading portion casing 1, is provided with middle part slip ring 23, in
Portion's slip ring 23 and the 1 inner wall sliding contact of leading portion casing.
Middle part slip ring 23 prevents medial sleeve 2 in the slip that leading portion casing 1 shakes and can be smooth.
The back segment casing 3, which is located in the end outer surface of one end in medial sleeve 2, is provided with back segment slip ring 24, after
Section slip ring 24 and 2 inner wall sliding contact of medial sleeve.
Back segment slip ring 24 prevents back segment casing 3 in the slip that medial sleeve 2 shakes and can be smooth.
Certainly, it is limitation of the present invention that described above, which is not, and the present invention is also not limited to the example above, the art
Those of ordinary skill, in the essential scope of the present invention, the variations, modifications, additions or substitutions made, should all belong to the present invention
Protection domain.
Claims (10)
- A kind of 1. medical totally enclosed type sting device, it is characterised in that：Including internal puncture needle（4）, leading portion casing（1）, in Parts casing pipe（2）With back segment casing（3）；The leading portion casing（1）Front end be openend, medial sleeve（2）Through leading portion casing （1）Rear end face and with leading portion casing（1）Rear end face be slidably connected；The medial sleeve（2）Front end be openend, middle part Casing（2）Front end be arranged at leading portion casing（1）It is interior, medial sleeve（2）Back-end closure and be arranged at leading portion casing（1）Outside Portion；The back segment casing（3）Front end be openend, back segment casing（3）Through medial sleeve（2）Rear end face and with middle part cover Pipe（2）Rear section be slidably connected, back segment casing（3）Back-end closure；The internal puncture needle（4）Front end be puncture tip End, internal puncture needle（4）Back-end closure, internal puncture needle（4）Leading portion be arranged at medial sleeve（2）It is interior, internal puncture needle（4） Back segment be socketed on back segment casing（3）It is interior；The medial sleeve（2）Front opening end in be provided with inner sealing piece（5）, it is interior Portion's diaphragm seal（5）Side wall and medial sleeve（2）Front inner wall fixing seal；The leading portion casing（1）Front opening end Inside it is fixedly installed water conservancy diversion lancet and means, medial sleeve（2）In leading portion casing（1）After interior slip, water conservancy diversion lancet and means puncture interior Portion's diaphragm seal（5）；The medial sleeve（2）It is interior to be filled with thimerosal, back segment casing（3）On be provided with drainage tube interface（6）, draw Flow tube interface（6）On be socketed with sealing-plug（7）；The internal puncture needle（4）Rear end side wall on be provided with puncture needle intake chute （8）, puncture needle intake chute（8）The internal puncture needle of connection（4）Internal and back segment casing（3）It is internal.
- 2. totally enclosed type sting device according to claim 1, it is characterised in that：The medial sleeve（2）Inside it is provided with Some inside guide pins being arranged in parallel（9）, internal guide pin（9）On be provided with some through holes；The internal puncture needle（4）Wear Cross internal guide pin（9）And with internal guide pin（9）It is slidably connected.
- 3. totally enclosed type sting device according to claim 1, it is characterised in that：The leading portion casing（1）Rear end face On be provided with medial sleeve sliding eye（11）, medial sleeve（2）Through medial sleeve sliding eye（11）, medial sleeve（2）It is outer Wall and medial sleeve sliding eye（11）Inner wall between be provided with middle part seal washer（12）, middle part seal washer（12）With middle part Cannula slide hole（11）Inner wall is fixedly connected.
- 4. totally enclosed type sting device according to claim 1, it is characterised in that：The medial sleeve（2）Rear end face On be provided with back segment cannula slide hole（13）, back segment casing（3）Through back segment cannula slide hole（13）, back segment casing（3）It is outer Wall is provided with external screw thread, back segment cannula slide hole（13）Inner wall be provided with internal thread, back segment casing（3）With back segment cannula slide Hole（13）It is threadedly coupled.
- 5. totally enclosed type sting device according to claim 1, it is characterised in that：The water conservancy diversion lancet and means include puncturing Fixinig plate（14）, puncture fixinig plate（14）It is arranged at leading portion casing（1）Front opening end in, puncture fixinig plate（14）With leading portion Casing（1）Axis it is vertical；The puncture fixinig plate（14）Middle part is provided with puncture needle via（15）, puncture needle via（15）With Internal puncture needle（4）It is equipped with；The puncture fixinig plate（14）On be provided with some internal diversion puncture tubes（16）, inside is led Flow puncture tube（16）With inner sealing piece（5）It is equipped with, internal diversion puncture tube（16）With inner sealing piece（5）Tip court Internally diaphragm seal（5）.
- 6. totally enclosed type sting device according to claim 1, it is characterised in that：The leading portion casing（1）Side wall on It is provided with some spacing closure plugs（17）, spacing closure plug（17）Through leading portion casing（1）Side wall and end protrusion leading portion set Pipe（1）Inner wall, spacing closure plug（17）Positioned at leading portion casing（1）Interior one end and medial sleeve（2）End contacts.
- 7. totally enclosed type sting device according to claim 1, it is characterised in that：The leading portion casing（1）Front end connect It is connected to an anterior hose（18）, anterior hose（18）One end be provided with annular step it is raised（19）, anterior hose（18） The other end be internally provided with hemispheric built-in arc-like sheet（21）；The leading portion casing（1）Front inner wall on be provided with ring The stepped recesses of shape（20）, step protrusion（19）It is plugged in stepped recesses（20）Interior and and stepped recesses（20）Thread fitting.
- 8. totally enclosed type sting device according to claim 7, it is characterised in that：The built-in arc-like sheet（21）Upper setting There are some disinfection fluid through-holes（22）, sterilize fluid through-hole（22）For the through hole of cone, fluid through-hole is sterilized（22）Conical tip Towards anterior hose（18）It is internal.
- 9. totally enclosed type sting device according to claim 1, it is characterised in that：The medial sleeve（2）Positioned at leading portion Casing（1）Middle part slip ring is provided with the end outer surface of interior one end（23）, middle part slip ring（23）With leading portion casing（1） Inner wall sliding contact.
- 10. totally enclosed type sting device according to claim 1, it is characterised in that：The back segment casing（3）Positioned at middle part Casing（2）Back segment slip ring is provided with the end outer surface of interior one end（24）, back segment slip ring（24）With medial sleeve（2） Inner wall sliding contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321609.9A CN107928766B (en) | 2017-12-12 | 2017-12-12 | Medical treatment is with totally enclosed piercing depth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548183A (en) * | 2019-10-15 | 2019-12-10 | 河南科技大学第一附属医院 | ascites continuous aspirator with puncture needle hiding and disinfecting functions |
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| CN110548183B (en) * | 2019-10-15 | 2024-01-26 | 深圳大学附属华南医院 | Ascites continuous aspirator with puncture needle hiding and sterilizing function |
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| CN107928766B (en) | 2020-07-03 |
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