CN106466194B - Scope puncture needle - Google Patents
Scope puncture needle Download PDFInfo
- Publication number
- CN106466194B CN106466194B CN201610779853.9A CN201610779853A CN106466194B CN 106466194 B CN106466194 B CN 106466194B CN 201610779853 A CN201610779853 A CN 201610779853A CN 106466194 B CN106466194 B CN 106466194B
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- Prior art keywords
- needle
- needle tubing
- end sleeve
- rear end
- display pipe
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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
- A61B10/04—Endoscopic instruments
-
- 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
-
- 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
- A61B17/3478—Endoscopic needles, e.g. for infusion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3494—Trocars; Puncturing needles with safety means for protection against accidental cutting or pricking, e.g. limiting insertion depth, pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B10/04—Endoscopic instruments
- A61B2010/045—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
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to a kind of scope puncture needles, include the needle core in the display pipe and insertion display pipe in needle tubing, insertion needle tubing；Wherein, display pipe has part to be exposed from the front end of needle tubing；The scope puncture needle also includes: being set on needle tubing for driving needle core in display pipe, the driving portion moved along the length direction of display pipe；Wherein, display pipe is detachably mounted in needle tubing, and needle core is removably fixedly connected with driving portion.Compared with the existing technology, since display pipe and needle core are removably to be installed with needle tubing and driving portion respectively, so that scope puncture needle is every time after use, medical staff can only be replaced display pipe and needle core, to ensure that other components of the entire scope puncture needle in addition to display pipe and needle core may be reused, to greatly reduce expense of the patient in treatment.
Description
Technical field
The present invention relates to a kind of medical instrument, in particular to a kind of scope puncture needle.
Background technique
Scope puncture needle is primarily adapted for use in kidney, liver, lung, mammary gland, thyroid gland, forefront as a kind of medical instrument
A variety of organs such as gland, pancreas, testis, uterus, ovary, body surface, can be used for cone tumour and unknown tumour etc. living tissue sampling,
Draw cell, and the treatment for some Minimally Invasive Surgeries.
Also, in order to avoid cross-infection occurs in patient, therefore scope puncture needles all on the market are all disposable at present
, after completing to the puncture of patient and the sampling of cell, which needs to abandon.But since current scope is worn
Pricker is typically all to be made of components such as needle core, display pipe, needle tubings, and needle core and display pipe are all to be linked as one with needle tubing respectively
Body, such as scope puncture needle is abandoned, it is necessary to abandon together with some components such as needle tubing, treated to increase patient together
When cost.
In addition, due to when using scope puncture needle, scope typically to be cooperated to carry out using needing to puncture scope
The shell tube portion of needle is inserted into mirror body pipeline from the pincers road junction of scope, but since the scope of different brands, different model is worn
The length of the display pipe of pricker is different, so will appear scope puncture needle display pipe often when being cooperated with scope
Length can not which thereby enhance medical staff with the length perfect matching of scope mirror body pipeline and be grasped to scope puncture needle
Difficulty when making.
Summary of the invention
The purpose of the present invention is to provide a kind of scope puncture needle, the needle core and display pipe in scope puncture needle that enable
It is replaced at any time, to reduce cost of the patient in treatment.
To achieve the goals above, the present invention devises a kind of scope puncture needle, comprising in needle tubing, the insertion needle tubing
Display pipe and the needle core being inserted into the display pipe；
Wherein, the display pipe has part to be exposed from the front end of the needle tubing；
The scope puncture needle also includes: it is arranged on the needle tubing for driving the needle core in the display pipe,
The driving portion moved along the length direction of the display pipe；
Wherein, the display pipe is detachably mounted in the needle tubing, and the needle core removably with the driving
Portion is fixedly connected.
Embodiments of the present invention in terms of existing technologies, since display pipe is detachably arranged in needle tubing
, and needle core is removably to be fixedly connected with the driving portion for driving needle core to be moved, so that scope puncture needle
Every time after use, medical staff can be only replaced display pipe and needle core, except ensuring entire scope puncture needle
Other components other than package and needle core may be reused, to greatly reduce expense of the patient in treatment.
Further, the length of the needle core is greater than the length of the display pipe, and has part needle core always from described outer
The rear end of package is exposed.
Further, the both ends of the needle tubing be it is not closed be respectively formed inlet pipe mouth and outlet spout, and the needle tubing
Both ends are respectively provided with the preceding nut cap and rear nut cap of the closing inlet pipe mouth and the outlet spout, offer in the preceding nut cap
The front through hole that can be inserted by the display pipe and it is fixed, and offering in the rear nut cap can be by the needle core
The rear through-hole passed through.It follows that since the both ends of needle tubing are closed by preceding nut cap and rear nut cap respectively, and in preceding nut cap
The front through hole that can be inserted by display pipe and it is fixed is offered, can be realized by the front through hole in preceding nut cap to shell
The installation and fixation of pipe then offer the rear through-hole that can be passed through by needle core in nut cap, by rear by can in rear nut cap
Realize movement of the needle core in needle tubing.
Further, the driving portion includes the rear end sleeve being slidably set on the needle tubing and is arranged described
The connector being attached on the sleeve of rear end with the needle core part being exposed to outside the display pipe.Wherein, the connector is to set
The lock-on connection of inner hole is set in rear end sleeve tail portion and has, the tail end of the needle core is inserted into the inner hole of the lock-on connection
In, the installation between needle core and driving portion is realized with this.
Further, the rear end sleeve mutual not phase of formation empty set the needle tubing between after set is set on the needle tubing
Even, and the brim of a hat of the rear nut cap expands outwardly, until resisting the inner edge surface of the rear end sleeve, carries out to the rear end sleeve
Support.Due to forming empty set between rear end sleeve and needle tubing, so that rear end sleeve will not directly be contacted in sliding with needle tubing,
To not only reduce rear end sleeve resistance suffered in sliding, so that rear end sleeve is easier to slide, but also avoid
Rear end sleeve in sliding to needle tubing caused by abrasion.
Further, the driving portion also includes slidably to be set on the needle tubing to the rear end sleeve described
The locating piece that sliding distance on needle tubing is defined；Wherein, the locating piece can be carried out along the length direction of the needle tubing
Sliding, and the stop pin for being locked at the locating piece on the needle tubing is additionally provided on the locating piece.In practical application
When, medical staff can adjust position of the locating piece on needle tubing according to the specific illness of actual use demand and patient
Section, to determine sliding distance of the rear end sleeve on needle tubing, so that medical staff is driving needle core to wear by rear end sleeve
When thorn, the length that display pipe can be pierced by needle core is controlled, so as to further avoid the damage caused by patient.
Further, the driving portion also includes to be set on the needle tubing and the rear guiding with the rear end sleeve connection
Set；Wherein, the rear guide sleeve has the sky of rear end sleeve and the needle tubing described in partial insertion after set is set on the needle tubing
The rear guide sleeve in set region and being fixedly connected, and being not inserted into the rear end sleeve with the inner edge surface of the rear end sleeve it is outer
Edge surface outwardly protrudes the protrusion to be formed and resist the rear end sleeve end face, and the protrusion is away from the rear end sleeve
Side is a flat surface, for sliding into the preset stop bit of the needle tubing from the initial position of the needle tubing in the rear end sleeve
The locating piece is resisted when setting.It follows that can be played a supporting role to the front end of rear end sleeve by rear guide sleeve, so as to
Avoid the cylinder arm of rear end sleeve due to long-time stress caused by deformation phenomenon, to guarantee to locate always between rear end sleeve and needle tubing
In the state of empty set.
Further, the scope puncture needle also includes slidably to be set on the needle tubing for from the needle tubing
The adjustment portion that the length for the shell tube portion that front end exposes is adjusted；Wherein, the adjustment portion and the driving portion are in institute
It states and is oppositely arranged on needle tubing.
And the adjustment portion include the front end sleeve being slidably set on the needle tubing, be slidably set in it is described
The preceding guide sleeve that position of the front end sleeve on the needle tubing is positioned on needle tubing；Wherein, the front end sleeve with
The preceding guide sleeve is fixedly connected, and described leading is additionally provided with for leading being locked at the needle tubing to set for described to putting on
Stop pin；When the front end sleeve is slided towards the front end of the needle tubing, the shell that is exposed from the needle tubing front end
Tube portion progresses into the front end sleeve, and when the front end sleeve is slided towards the rear end of the needle tubing, from described
The shell tube portion that needle tubing front end is exposed gradually is detached from from the front end sleeve.It follows that by by front end sleeve
The adjustment portion constituted with preceding guide sleeve, can be adjusted the entire length for the shell tube portion being exposed to outside needle tubing, can
There is the scope of different mirror body duct lengths to carry out using to expand the application of entire scope puncture needle for enough perfect matchings
Scene.
Also, the outer fringe surface of the needle tubing has part to outwardly protrude to be formed and separate the driving portion and the adjustment portion
Retaining ring.It can ensure that medical staff's end cap cylinder or when the sleeve of rear end before operation by retaining ring, it will not be to causing shadow each other
It rings, to further avoid the generation of maloperation.
Further, the front end sleeve mutual not phase of formation empty set the needle tubing between after set is set on the needle tubing
Even, and the brim of a hat of the preceding nut cap expands outwardly, until resisting the inner edge surface of the front end sleeve, carries out to the front end sleeve
Support.Due to forming empty set between front end sleeve and needle tubing, so that front end sleeve will not directly be contacted in sliding with needle tubing,
To not only reduce front end sleeve resistance suffered in sliding, so that front end sleeve is easier to slide, but also avoid
Front end sleeve in sliding to needle tubing caused by abrasion.
Further, the scope puncture needle also includes for carrying out the pincers road junction of the front end sleeve and the scope
The locking member being fixedly connected.Also, the locking member includes the gasket being arranged in the front end sleeve, connect with the gasket
And Rule pin shaft stretched out from the front end sleeve；Wherein, the inner peripheral surface of the front end sleeve head inwardly collapses to be formed
The support division of the gasket is resisted, and the root of Rule pin shaft forms the external thread section being attached with the gasket, and
The head of Rule pin shaft forms the vertebral body structure for being inserted into the endoscopic forceps road junction.In practical application, can be by Rule
In the pincers road junction of the head insertion scope of pin shaft, the connection with endoscopic forceps road junction is realized, and since the head of Rule pin shaft is
One vertebral body structure so that the head of Rule pin shaft insertion scope pincers road junction after, can be real by the conical surface on Rule pin shaft head
Now to the sealing at pincers road junction, enter in pincers road junction to can avoid foreign matter, and causes the influence to scope internal component.
In addition, the locking member also includes to be set on Rule pin shaft for driving Rule pin shaft to be rotated
Forward End Cap；Wherein, the side on the inner edge surface of the Forward End Cap towards Rule pin shaft head have part not with described Rule
Pin shaft contacts and has internal screw thread, and the outer surface at the endoscopic forceps road junction has the external screw thread for screwing the internal screw thread.Thus
When the pincers road junction of scope puncture needle and scope is fixedly connected, medical staff only need to drive Rule by pivot head cap
Pin shaft is rotated, and is screwed the internal screw thread of Forward End Cap and the external screw thread at endoscopic forceps road junction mutually, is passed through the mutual of internal and external screw thread
It screws to pull Rule pin shaft to move to the side at endoscopic forceps road junction, and the head of Rule pin shaft is made to step into the pincers road of scope
In mouthful, the connection and sealing with pincers road junction are completed.Also, since Rule pin shaft and pincers road junction are by the internal screw thread on Forward End Cap
And the external screw thread at pincers road junction is locked, to can avoid Rule pin shaft because external forces occur to take off from pincers road junction
The phenomenon that falling, to further improve the sealing performance to pincers road junction.And when medical staff passes through the completion pair of scope puncture needle
After the puncture of patient, when dismantling puncture needle, also only it need to make internal screw thread and pincers road on Forward End Cap by reversely rotating Forward End Cap
External screw thread on mouth progressively disengages, and can loosen sealing of Rule pin shaft to endoscopic forceps road junction, in order to by scope puncture needle from
It is removed at the pincers road junction of scope, facilitates the disassembly of scope puncture needle, and avoid the generation of maloperation, to further decrease
Risk in Minimally Invasive Surgery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the scope puncture needle of first embodiment of the invention；
Fig. 2 is the partial enlarged view in the portion A in Fig. 1；
Fig. 3 is the structural schematic diagram of the scope puncture needle of second embodiment of the invention；
Fig. 4 is the usage state diagram of scope puncture needle in second embodiment of the invention；
Fig. 5 is the partial enlarged view in the portion B in Fig. 3；
Fig. 6 cooperates structural schematic diagram when Rule pin shaft for the scope puncture needle of second embodiment of the invention；
Fig. 7 is the structural schematic diagram that the scope puncture needle of second embodiment of the invention is connect with endoscopic forceps road junction；
Fig. 8 is the structural schematic diagram of the scope puncture needle of third embodiment of the invention；
Fig. 9 is the structural schematic diagram that the scope puncture needle of third embodiment of the invention is connect with endoscopic forceps road junction.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, each claim of the application technical side claimed also may be implemented
Case.
The first embodiment of the present invention is related to a kind of scope puncture needles, as shown in Figure 1, including needle tubing 1, insertion needle tubing 1
Needle core 3 in interior display pipe 2 and insertion display pipe 2.
Wherein, display pipe 2 has part to be exposed from the front end of needle tubing 1, and the length of needle core 3 is greater than the length of display pipe 2
Degree, and there is part needle core 3 to be exposed from the rear end of display pipe 2 always.
The scope puncture needle of present embodiment also includes: being set on needle tubing 1 for driving needle core 3 in display pipe 2, edge
The driving portion that the length direction of display pipe 2 is moved.
Wherein, display pipe 2 is detachably mounted in needle tubing, and needle core 3 is removably fixedly connected with driving portion.
Through the above it is not difficult to find that due to display pipe 2 be mounted in needle tubing 1 using dismountable mode, and
Needle core 3 is to be fixedly connected using dismountable mode with the driving portion for driving needle core 3 to be moved, so that this implementation
The scope puncture needle of mode is every time after use, and medical staff can only be replaced display pipe 2 and needle core 3, to ensure
Entire other components of the scope puncture needle in addition to display pipe 2 and needle core 3 can be reused, to be greatly saved doctor
Institute's cost input when buying scope puncture needle, and expense of the patient in treatment is reduced simultaneously.
Specifically, in the present embodiment, as shown in Figure 1, the both ends of needle tubing 1 are respectively formed inlet pipe mouth to be not closed
It (is not indicated in figure) with outlet spout, and the both ends of needle tubing 1 are respectively equipped with preceding nut cap 5-1 and rear nut cap 5-2 to the inlet pipe mouth of needle tubing 1
It is closed with outlet spout, and offers the front through hole that can be inserted by display pipe 2 and it is fixed on preceding nut cap 5-1
(not indicating in figure) then offers the rear through-hole (not indicating in figure) that can be passed through by needle core on nut cap 5-2.
In practical set, bourdon tube is can be used in display pipe 2, and in the front through hole by being inserted into preceding nut cap 5-1, real
Now to the installation of display pipe 2.And when display pipe 2 is fixed, it can be adopted between display pipe 2 and the front through hole of preceding nut cap 5-1
It is threadedly coupled, or can also be before the surface coating glue of display pipe 2 is directly bonded in the front through hole of nut cap 5-1.
And when needing to replace display pipe 2, display pipe 2 can be disassembled progress together with preceding nut cap 5-1 from needle tubing 1 together
Replacement, or when the front through hole of display pipe 2 and drive end bearing bracket 5-1 are using being threadedly coupled, can also be by display pipe 2 from preceding nut cap 5-
It is disassembled on 1, medical staff can be according to the connection type between display pipe 2 and preceding nut cap 5-1, to the replacement side of display pipe 2
Formula is selected.
It should be noted that fixed form of the display pipe 2 in preceding nut cap 5-1, is only connected in the present embodiment with screw thread
It connects and is illustrated with for the fixed form of glue bonding, and in actual application process, others also can be used in display pipe 2
Mode is fixed with preceding nut cap 5-1, and in the present embodiment, not to the fixed form between display pipe 2 and preceding nut cap 5-1
Make specific limit.
In addition, the driving portion being previously mentioned in present embodiment, as shown in Figure 1, being actually by being slidably set in needle
Rear end sleeve 4-1 on pipe 1 and it is arranged on the sleeve 4-1 of rear end company is fixed with the needle core part being exposed to outside display pipe 2
The connector composition connect.
Specifically, as shown in Figure 1, the connector, which is one, is arranged in the rear end tail portion sleeve 4-1 and the lock with inner hole
Tight coupling 4-3, and the inner hole of lock-on connection 4-3 can be inserted by the tail end of needle core 3, and the tail end of needle core 3 is fixed, and
And when fixed, lock-on connection 4-3 can be used with the tail end of needle core 3 and be threadedly coupled, or is adhesively fixed using glue, with this
Realize the installation between needle core 3 and driving portion.Also, the replacement of needle core 3 for convenience, lock-on connection 4-3 can be with rear end cap
Using being threadedly coupled between cylinder 4-1, thus when needing to replace needle core 3, lock-on connection 4-3 need to be only screwed off, and by needle
Core 3 is detached out of display pipe 2 and needle tubing 1, and the replacement to needle core 3 can be completed.
In addition, will not be bent in order to guarantee needle core 3 during the motion, it can also be in the rear logical of rear end sleeve 5-2
A fixed internal lining pipe (not indicating in figure) in hole, needle core 3 can be inserted into needle tubing 1 after internal lining pipe, can be right by internal lining pipe
Needle core 3 plays guiding and protective effect during the motion, occurs being bent over or being broken off during the motion to avoid needle core 3
The phenomenon that, so that the reliability of entire scope puncture needle in operation further increases.
In addition, it is noted that in order to guarantee that rear end sleeve 4-1 will not be with needle tubing 1 when sliding rear end sleeve 4-1
Between generate hard friction.As shown in connection with fig. 2, the internal diameter of rear end sleeve 4-1 can be expanded as far as possible or reduce the outer diameter of needle tubing 1, from
And make rear end sleeve 4-1 that can form empty set between needle tubing 1 after set is set on needle tubing 1.Also, in order to ensure rear end cap
Linearity of the cylinder 4-1 in sliding, the diameter of nut cap visor portion after can expanding enable the brim of a hat of rear nut cap 5-2 direct
Resist the inner edge surface of rear end sleeve 4-1, it is ensured that when sliding rear end sleeve 4-1, rear end sleeve 4-1 will not touch needle tubing 3
Outer fringe surface, so that rear end sleeve 4-1 resistance suffered in sliding is not only reduced, so that rear end sleeve 4-1 is easier
Sliding, and rear end cap cylinder 4-1 is also avoided in sliding to abrasion caused by needle tubing 1.
In addition, in the present embodiment, which can also slidably be set on needle tubing 1 to rear end comprising one
The locating piece 6 that sliding distance of the sleeve 4-1 on needle tubing 1 is defined.In practical application, the locating piece 6 can be along needle tubing 1
Length direction slided, and the stop pin 7 for being locked at locating piece 6 on needle tubing 1 is additionally provided on the locating piece 6.
Thus it is not difficult to find that medical staff in operation, can according to actual use demand and the specific illness of patient,
Position of the locating piece 6 on needle tubing 1 is adjusted, to determine sliding distance of the rear end sleeve 4-1 on needle tubing 1, so that doctor
Shield personnel when driving needle core 3 to puncture by rear end sleeve 4-1, control by the length that can be pierced by display pipe 2 to needle core 3
System reduces risk when puncturing so as to further avoid the damage caused by patient when puncturing.
Also, in order to further facilitate the sliding of rear end sleeve 4-1, in the present embodiment, driving portion also includes
One rear guide sleeve 4-4 for being set on needle tubing 1 and being connect with rear end sleeve 4-1.Wherein, rear guide sleeve 4-4 is set to needle in set
After on pipe 1, has in the empty set region of partial insertion rear end sleeve 4-1 and needle tubing 1 and fix company with the inner edge surface of rear end sleeve 4-1
The outer fringe surface for the rear guide sleeve 4-4 for connecing, and being not inserted into the sleeve 4-1 of rear end, which outwardly protrudes to be formed, resists rear end sleeve end face
Protrusion 4-5, and protrusion 4-5 is a flat surface away from the side of rear end sleeve 4-1, in rear end sleeve 4-1 from needle tubing 1
Initial position resists locating piece 6 when sliding into 1 preset final position of needle tubing.
It follows that can be played a supporting role to the front end of rear end sleeve 4-1 by rear guide sleeve 4-4, to can avoid
Rear end sleeve 4-1 sliding when, due to the cylinder brachium time stress of rear end sleeve 4-1 caused by deformation phenomenon, to guarantee rear end
Sleeve 4-1 can be in always the state of empty set between needle tubing 1, not only facilitate the sliding of rear end sleeve 4-1, but also can
Further increase the service life of entire puncture needle.Also, since rear guide sleeve 4-4 is one away from the side of rear end sleeve 4-1
Plane, so that when rear end sleeve 4-1 slides into 1 preset final position of needle tubing locating piece can be resisted by rear guide sleeve 4-4
6, the contact area between locating piece 6 is increased, so that the positioning accuracy of rear end sleeve 4-1 is not only further improved, and
And the cylinder arm of rear end sleeve 4-1 is also avoided because long-time is contacted with locating piece 6, and the phenomenon that cause barrel to deform.
In addition, in order to further increase the accuracy that locating piece 6 positions rear end sleeve 4-1 in sliding, it can be in needle tubing 1
More graduation marks of upper distribution, so that medical staff when setting locating piece 6, can accurately find locating piece 6 on needle tubing 1
Position.It also, when end cap cylinder slides medical staff after the activation, can also be read, be come according to the graduation mark on needle tubing 1
Accurately the length that needle core 3 is pierced by display pipe 2 is inferred to, to further reduced risk when puncturing to patient.
Second embodiment of the present invention is related to a kind of scope puncture needle, and second embodiment is in first embodiment
On the basis of be further improved, mainly improve and be: the scope puncture needle of present embodiment, as shown in figure 3, also comprising can
The adjusting of sliding being set on needle tubing 1 for the length of 2 part of display pipe exposed from 1 front end of needle tubing to be adjusted
Portion.Also, the adjustment portion and driving portion are oppositely arranged on needle tubing 1.
Specifically, the adjustment portion includes the front end sleeve 8-1 being slidably set on needle tubing 1, is slidably arranged
The preceding guide sleeve 8-2 that position of the front end sleeve 8-1 on needle tubing 1 is positioned on needle tubing 1.
Wherein, sleeve 8-1 in front end is fixedly connected with preceding guide sleeve 8-2, and is additionally provided on preceding guide sleeve 8-2 for will be leading
The stop pin 8-3 on needle tubing 1 is locked to set 8-2.
In the actual operation process, when medical staff slides front end sleeve 8-1 towards the front end of needle tubing 1, from needle
2 part of display pipe that 1 front end of pipe is exposed progresses into the sleeve 8-1 of front end, and works as medical staff for front end sleeve 8-1 court
When being slided to the rear end of needle tubing 1, can gradually it be taken off from front end sleeve cylinder 8-1 again from 2 part of display pipe that 1 front end of needle tubing is exposed
From.
Through the above it is not difficult to find that due to the length of the mirror body pipeline of scope and the display pipe 2 of scope puncture needle
Length not fully matches.So medical staff is in operation, can by adjusting position of the sleeve 8-1 in front end on needle tubing 1,
The length for 2 part of display pipe being exposed to outside needle tubing 1 is adjusted with realizing, can perfectly be matched with different mirrors
The scope of body duct length is carried out using to expand the application scenarios of entire scope puncture needle.
Also, in order to make medical staff when adjusting front end sleeve 8-1, or push rear end sleeve 4-1 to patient into
When row punctures, avoid impacting each other.As shown in connection with fig. 4, the outer fringe surface of needle tubing 1 can be fabricated with to part outward
Protrusion, forms it into the retaining ring 9 that can separate driving portion and adjustment portion, and the retaining ring 9 is located substantially at the centre bit of needle tubing 1
It sets, so that front end sleeve 8-1 and rear end sleeve 4-1 can obtain longer sliding distance.
In addition, it is noted that in order to guarantee to generate between needle tubing 1 and rub firmly when sliding front end sleeve 8-1
It wipes.In conjunction with as shown in figure 5, the internal diameter of front end sleeve 8-1 can be expanded as far as possible or reduce the outer diameter of needle tubing 1, so that front end
Sleeve 8-1 can form empty set between needle tubing 1 after set is set on needle tubing 1.Also, in order to ensure front end sleeve 8-1 is in cunning
Linearity when dynamic, the diameter of nut cap cap 5-1 eaves portion point before can expanding, before the brim of a hat of preceding nut cap 5-1 is lain directly against
The inner edge surface of end cap cylinder 8-1, it is ensured that when sliding front end sleeve 8-1, front end sleeve 8-1 will not touch the outer rim table of needle tubing 3
Face, so that front end sleeve 8-1 resistance suffered in sliding is not only reduced, so that front end sleeve 8-1 is easier to slide, and
And front end sleeve 8-1 is avoided in sliding to abrasion caused by needle tubing 1.
In addition, in order to be further accurately adjusted to the length for the display pipe 2 being exposed to outside needle tubing 1, it can be in needle tubing 1
More graduation marks of cloth are punished in the position of corresponding front end sleeve 8-1, so that medical staff is when sliding front end sleeve 8-1, it can
Accurately the length for the shell tube portion being exposed to outside needle tubing 1 is adjusted.
It is used in addition, the scope puncture needle of present embodiment also includes one by the pincers road junction of front end sleeve 8-1 and scope
The locking member being fixedly connected.
Specifically, as shown in fig. 6, in the present embodiment, which includes the pad being arranged in the sleeve 8-1 of front end
Piece 10-1, Rule pin shaft 10-2 for connecting with gasket 10-1 and being stretched out from front end sleeve cylinder 8-1.
Wherein, the inner peripheral surface on the head front end sleeve 8-1 inwardly collapses the support division for being formed and resisting gasket 10-1, and Rule
The root of pin shaft 10-2 forms the external thread section 10-2-1 being attached with gasket 10-1, and the head of Rule pin shaft 10-2 is formed
For being inserted into the vertebral body structure at endoscopic forceps road junction.
When medical staff needs to carry out puncture needle combination scope in use, as shown in fig. 7, can be by Rule pin shaft 10-2's
Head is inserted into the pincers road junction 11 of scope, realizes the connection with endoscopic forceps road junction 11, and due to the head of Rule pin shaft 10-2
For a vertebral body structure, so that the head of Rule pin shaft 10-2 passes through Rule pin shaft 10- behind the pincers road junction 11 of insertion scope
The conical surface on 2 heads can be realized to the sealing at pincers road junction, so that foreign matter be avoided to enter in the pincers road junction 11 of scope, and be caused to scope
The influence of internal component.
It should be noted that the scope puncture needle of present embodiment is applicable in the use of various scopes, such as ultrasound
Mirror, fiber endoscope etc., medical staff can according to actual use demand by the scope puncture needle of present embodiment from it is different in
Mirror is combined assembly.
Third embodiment of the present invention is related to a kind of scope puncture needle, and third embodiment is in second embodiment
On the basis of be further improved, mainly improve be: as shown in figure 8, in the present embodiment, locking member also includes one
It is set on Rule pin shaft 10-2, and the Forward End Cap 12 for driving Rule pin shaft 10-2 to be rotated.
Specifically, as shown in connection with fig. 9, there is portion in the side on inner edge surface towards the head Rule pin shaft 10-2 of the Forward End Cap 12
Divide and internal screw thread 12-1 is not contacted and had with Rule pin shaft 10-2, and the outer surface at endoscopic forceps road junction 11 has and Forward End Cap 12
The external screw thread 11-1 that internal screw thread mutually screws.
When the pincers road junction 11 of the puncture needle of present embodiment and scope is fixedly connected, before medical staff need to only pass through
End cap 12 drives Rule pin shaft 10-2 to be rotated, and makes the internal screw thread 12-1 of Forward End Cap 12 and the external screw thread at endoscopic forceps road junction 11
11-1 is mutually screwed, by internal and external screw thread mutually screw pull side from Rule pin shaft 10-2 to endoscopic forceps road junction 11 into
Row movement, and steps into the head of Rule pin shaft 10-2 in the pincers road junction 11 of scope, complete with the connection at pincers road junction 11 and
Sealing.
Through the above it is not difficult to find that since Rule pin shaft 10-2 and pincers road junction 11 are by the interior spiral shell on Forward End Cap 12
Line 12-1 and the external screw thread 11-1 for clamping road junction 11 are locked, to can avoid Rule pin shaft 10-2 because of external forces
Phenomenon is fallen off from pincers road junction, to further improve the sealing performance to pincers road junction 11.And when medical staff passes through
After scope puncture needle is completed to the puncture of patient, when dismantling puncture needle, also only it need to make front end by reversely rotating Forward End Cap 12
Internal screw thread on cap 12 is progressively disengaged with the external screw thread on pincers road junction 11, can loosen Rule pin shaft 12 to endoscopic forceps road junction 11
Sealing, in order to remove scope puncture needle from the pincers road junction 11 of scope, facilitates the disassembly of scope puncture needle, and also keep away
The generation of maloperation is exempted from, to further reduced the risk of Minimally Invasive Surgery.
In addition, it is necessary to explanation, in order to make medical staff in pivot head cap 12, front end nut cap 12 and needle tubing
1 the phenomenon that transfer will not occurs with the rotation of Forward End Cap 12, as shown in figure 8, because guaranteeing driving Shandong by Forward End Cap 12
When your pin shaft is rotated, gasket 10-1 will not firmly note extremely on the support division of front end sleeve 8-1.So in design front end
When sleeve 8-1, because ensure gasket 10-1 can the carry out activity between preceding nut cap 5-1 and the support division of front end sleeve 8-1 so that
Thickness of the preceding nut cap 5-1 to the gap between the sleeve 8-1 support division of front end because being greater than gasket 10-1, thus when medical staff is being revolved
When turning Forward End Cap 12, gasket 10-1 can be always in the sleeve 8-1 of front end in the state to dally, front end sleeve 8-1 and needle tubing 1
Will not Yin Luer pin shaft 10-2 rotation and there is transfer phenomenon, carried out to further improve medical staff to puncture needle
Operability when installation and removal.
In order to enable it will be understood by those skilled in the art that the respective embodiments described above be realize it is of the invention specific
Embodiment, and in practical applications, can to it, various changes can be made in the form and details, without departing from spirit of the invention
And range.
Claims (7)
1. a kind of scope puncture needle, it is characterised in that: include the display pipe and the insertion shell in needle tubing, the insertion needle tubing
Needle core in pipe；
Wherein, the display pipe has part to be exposed from the front end of the needle tubing；
The scope puncture needle also includes: being arranged on the needle tubing for driving the needle core in the display pipe, along institute
State the driving portion that the length direction of display pipe is moved；
Wherein, the display pipe is detachably mounted in the needle tubing, and the needle core is removably solid with the driving portion
Fixed connection；
The both ends of the needle tubing are respectively formed inlet pipe mouth and outlet spout to be not closed, and the both ends of the needle tubing are respectively equipped with use
In the preceding nut cap and rear nut cap of the closing inlet pipe mouth and the outlet spout；
Wherein, the front through hole that can be inserted by the display pipe and it is fixed is offered in the preceding nut cap, and it is described
The rear through-hole that can be passed through by the needle core is offered in nut cap afterwards；It can between the display pipe and the front through hole of the preceding nut cap
Before being bonded in using threaded connection or the display pipe in the front through hole of nut cap；
The driving portion include the rear end sleeve that is slidably set on the needle tubing and be arranged on the rear end sleeve and
The connector that the needle core part being exposed to outside the display pipe is attached；
The scope puncture needle also includes slidably to be set on the needle tubing for being exposed to from the needle tubing front end
Shell tube portion the adjustment portion that is adjusted of length；Wherein, the adjustment portion with the driving portion phase on the needle tubing
To setting；
The adjustment portion includes the front end sleeve being slidably set on the needle tubing, is slidably set on the needle tubing
The preceding guide sleeve that position of the front end sleeve on the needle tubing is positioned；Wherein, the front end sleeve and it is described before
Guide sleeve is fixedly connected, and the front end sleeve can form empty set, and the front cover after set is set on needle tubing between needle tubing
The brim of a hat of cap expands outwardly, until resisting the inner edge surface of the front end sleeve, is supported to the front end sleeve；
The scope puncture needle also includes the lock for the pincers road junction of the front end sleeve and the scope to be fixedly connected
Tight part, locking member include the gasket being arranged in the front end sleeve, connect with the gasket and stretch from the front end sleeve
Rule pin shaft out, the head of Rule pin shaft are a vertebral body structure.
2. scope puncture needle according to claim 1, it is characterised in that: the length of the needle core is greater than the display pipe
Length, and there is part needle core to be exposed from the rear end of the display pipe always.
3. scope puncture needle according to claim 1, it is characterised in that: the connector is to be arranged in the rear end sleeve
Tail portion and the lock-on connection for having inner hole, the tail end of the needle core are inserted into the inner hole of the lock-on connection.
4. scope puncture needle according to claim 1, it is characterised in that: the rear end sleeve is set on the needle tubing in set
It forms empty set between the needle tubing afterwards to be mutually not attached to, and the brim of a hat of the rear nut cap expands outwardly, until resisting the rear end
The inner edge surface of sleeve is supported the rear end sleeve.
5. scope puncture needle according to claim 1, it is characterised in that: the driving portion also includes slidably to be set in
The locating piece that sliding distance of the rear end sleeve on the needle tubing is defined on the needle tubing；
Wherein, the locating piece can be slided along the length direction of the needle tubing, and be additionally provided with and be used on the locating piece
The locating piece is locked at the stop pin on the needle tubing.
6. scope puncture needle according to claim 5, it is characterised in that: the driving portion also includes to be set in the needle tubing
The upper and rear guide sleeve with the rear end sleeve connection；
Wherein, the rear guide sleeve has rear end sleeve described in partial insertion and the needle tubing after set is set on the needle tubing
The rear guide sleeve for being fixedly connected in empty set region and with the inner edge surface of the rear end sleeve, and being not inserted into the rear end sleeve
Outer fringe surface outwardly protrudes the protrusion to be formed and resist the rear end sleeve end face, and the protrusion deviates from the rear end sleeve
Side be a flat surface, for sliding into the preset termination of the needle tubing from the initial position of the needle tubing in the rear end sleeve
The locating piece is resisted when position.
7. scope puncture needle according to claim 1, it is characterised in that: the outer fringe surface of the needle tubing has part convex
The retaining ring for separating the driving portion and the adjustment portion is formed out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779853.9A CN106466194B (en) | 2016-08-30 | 2016-08-30 | Scope puncture needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610779853.9A CN106466194B (en) | 2016-08-30 | 2016-08-30 | Scope puncture needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106466194A CN106466194A (en) | 2017-03-01 |
| CN106466194B true CN106466194B (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610779853.9A Active CN106466194B (en) | 2016-08-30 | 2016-08-30 | Scope puncture needle |
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| CN (1) | CN106466194B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107260228A (en) * | 2017-06-01 | 2017-10-20 | 施康培医疗科技（武汉）有限公司 | A kind of biopsy needle device of band damping protection |
| CN110141326A (en) * | 2019-06-04 | 2019-08-20 | 上海市肺科医院 | A kind of intelligent sting device and its piercing method for Lung neoplasm positioning accuracy |
| CN110314256A (en) * | 2019-07-04 | 2019-10-11 | 黄毅 | Vacuum suction rotary-cut aspiration needle |
| CN112641493B (en) * | 2020-12-25 | 2022-05-03 | 山西白求恩医院(山西医学科学院) | Puncture needle device for oncology department |
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|---|---|---|---|---|
| CN2636822Y (en) * | 2003-05-07 | 2004-09-01 | 张小芬 | Multifunctional puncture injector |
| CN101011270A (en) * | 2006-02-01 | 2007-08-08 | 伊西康内外科公司 | Biopsy device with replaceable probe |
| CN104027157A (en) * | 2014-02-28 | 2014-09-10 | 陈裕生 | Fixed structure of ultrasonic puncture needle and ultrasonic puncture needle |
| CN204336970U (en) * | 2011-11-16 | 2015-05-20 | 柯惠有限合伙公司 | For the device of aspiration biopsy |
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2016
- 2016-08-30 CN CN201610779853.9A patent/CN106466194B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2636822Y (en) * | 2003-05-07 | 2004-09-01 | 张小芬 | Multifunctional puncture injector |
| CN101011270A (en) * | 2006-02-01 | 2007-08-08 | 伊西康内外科公司 | Biopsy device with replaceable probe |
| CN204336970U (en) * | 2011-11-16 | 2015-05-20 | 柯惠有限合伙公司 | For the device of aspiration biopsy |
| CN104027157A (en) * | 2014-02-28 | 2014-09-10 | 陈裕生 | Fixed structure of ultrasonic puncture needle and ultrasonic puncture needle |
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| Publication number | Publication date |
|---|---|
| CN106466194A (en) | 2017-03-01 |
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Effective date of registration: 20200814 Address after: 201702 first floor and second floor, building 5, No. 258, shuangbang Road, Xujing Town, Qingpu District, Shanghai Patentee after: WILSON INSTRUMENTS (SHANGHAI) Co.,Ltd. Address before: 200060 room 393, No. 912, Putuo District, Shanghai, Changshou Road Patentee before: SHANGHAI FUTANG BIOTECHNOLOGY Co.,Ltd. |