CN103815954B - Gallbladder launches perforator - Google Patents
Gallbladder launches perforator Download PDFInfo
- Publication number
- CN103815954B CN103815954B CN201410110532.0A CN201410110532A CN103815954B CN 103815954 B CN103815954 B CN 103815954B CN 201410110532 A CN201410110532 A CN 201410110532A CN 103815954 B CN103815954 B CN 103815954B
- Authority
- CN
- China
- Prior art keywords
- base tube
- ejector base
- piston
- gallbladder
- ejector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- A61B17/3494—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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B2017/347—Locking means, e.g. for locking instrument in cannula
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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)
- Gastroenterology & Hepatology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
The invention discloses a kind of gallbladder and launch perforator, the problem solving cannot disposably insert thicker drainage tube during current gallbladder puncture and intubation the most clinically.The present invention includes ejector base tube, is arranged at the rear pressing cover of end, ejector base tube one end, and be arranged in ejector base tube can ejector base tube motion relatively, and to extend to ejector base tube outer and run through the piston of rear pressing cover in one end；Described piston is also socketed with the spring being positioned at ejector base tube on one end of rear pressing cover, and is additionally provided with on piston for compression spring common with rear pressing cover with for controlling the projection that piston is subjected to displacement relative to ejector base tube；Described piston is provided with, away from the end, one end of rear pressing cover, the puncture needle that needle point is positioned at outside ejector base tube；Described ejector substrate tube is additionally provided with the locking piece for preventing piston from moving under the elastic force of spring relative to ejector base tube.The present invention can realize disposably inserting thicker drainage tube, can realize the puncture of depthkeeping degree in piercing process simultaneously.
Description
Technical field
The present invention relates to a kind of gallbladder and launch perforator.
Background technology
Gallbladder puncture and intubation is clinical the next item up common technology, it is usually used in the treatment of acute cholecystitis companion's gallbladder hydrops, both the state of an illness rapid recovery of acute cholecystitis patient can have been made, inflammatory resolution, excision gallbladder for next step creates conditions, it is possible to cannot bear the definitiveness treatment means of the old patient of operation as part.It addition, the gallstone patients being suitable for for partial condition, the drainage tube insertion choledochoscope being built into also by gallbladder carries out taking stone, reaches to protect gallbladder and takes the therapeutic purposes of stone.Either puncture drainage or carry out choledochoscope by the drainage tube inserted and take stone, is required for inserting thicker drainage tube.From the point of view of simple drain purpose, during because of gallbladder inflammation hydrops, intracapsular bile of gallbladder very thickness, the curative effect that the thinnest drainage tube does not usually reach because of inadequate drainage；And such as stone to be taken, since it is desired that insert choledochoscope (its diameter about 0.5cm) from drainage tube, therefore with greater need for inserting thicker drainage tube.
Way the most clinically is typically to puncture under B ultrasonic guides with a thin puncture needle, then seal wire is inserted by puncture needle, again with gradually increasing thick dilator after stomach wall sinus tract is extended to corresponding bore by seal wire a step by a step after extracting puncture needle, then insert thick drainage tube.The drawback of the method has 3 points: be first when expanding with dilator, it is necessary to the most repeatedly expand, and easily makes seal wire deviate from gallbladder, causes operation failure；Second is that the time is longer, sometimes cannot tolerate because of patient, it is necessary to expansion by several times, is first expanded to a certain bore, and until after a while, row second time expansion again after (3-4 days), which not only adds the misery of patient, too increase the work of doctor；3rd is when carrying out gallbladder and puncturing, and owing to the gallbladder of patient is different, easily causes intimidating for acupuncture capsule.
Summary of the invention
It is an object of the invention to provide a kind of gallbladder and launch perforator, the problem solving cannot disposably insert thicker drainage tube during current gallbladder puncture and intubation the most clinically.
To achieve these goals, the technical solution used in the present invention is as follows:
Gallbladder launches perforator, including ejector base tube, is arranged at the rear pressing cover of end, ejector base tube one end, and be arranged in ejector base tube can ejector base tube motion relatively, and to extend to ejector base tube outer and run through the piston of rear pressing cover in one end；Described piston is also socketed with the spring being positioned at ejector base tube on one end of rear pressing cover, and is additionally provided with on piston for compression spring common with rear pressing cover with for controlling the projection that piston is subjected to displacement relative to ejector base tube；Described piston is provided with, away from the end, one end of rear pressing cover, the puncture needle that needle point is positioned at outside ejector base tube；Described ejector substrate tube is additionally provided with the locking piece for preventing piston from moving under the elastic force of spring relative to ejector base tube.
Further, described locking piece includes the locking spring being arranged on ejector base tube medial wall, and end, one end is connected with spring, and it is outer and can ejector base tube and the latch of piston independently moving relatively that other end end is positioned at ejector base tube；Described piston runs through latch, and described piston is provided with near the sidewall of locking spring and carves groove, and latch is provided with carving the sidewall that groove contacts and carves the buckle that groove matches.
Yet further, described piston removably connects with puncture needle；Described piston is provided with, with the ejector base tube of puncture needle connecting place, the through hole running through ejector base tube sidewall；And the outer of through hole concaves relative to ejector base tube outer wall；It is additionally provided with the locking nut for piston and both puncture needles being fixed in through hole simultaneously.
Further, described ejector base tube other end end is additionally provided with the pushnut being movably connected with ejector base tube；Described puncture needle runs through pushnut.
It addition, described piston extends to the one end outside ejector base tube is additionally provided with the pull-button for pulling piston to move relative to ejector base tube.
In order to preferably realize the present invention, described puncture needle outer wall is also socketed with epitheca.
Preferred as one, described pushnut is connected by screw thread with ejector base tube.
In order to recognize the needle point of the puncture needle position in human body more accurately, the needle point outer wall of described puncture needle is provided with fluorescence coating.
Fix epitheca, and convenient promotion epitheca for convenience, described pushnut is additionally provided with the groove for snapping in pushnut by epitheca.
It addition, the end, one end that described piston is connected with puncture needle is provided with the jack inserted for puncture needle, and being provided with external screw thread on this end outer wall, described locking nut is provided with the female thread matched with external screw thread；The sidewall of described jack can draw in when locking nut rotates or open.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention is cooperated by ejector base tube, piston, spring etc., thus realize fixed range launch puncture needle, mainly spring is pressed with rear pressing cover by piston, pinned by locking piece simultaneously, prevent owing to piston is promoted forward by spring force, only the present invention need to be directed at point of puncture subsequently, then control locking piece contact and piston is fixed, piston just travels forward due to the elastic force of spring, and drives puncture needle to travel forward；Simultaneously because the existence of male member, it is possible to the distance of tissue piston movement, it is ensured that puncture needle inserts the degree of depth of human body, thus effectively avoids the damage caused gallbladder in piercing process.
(2) locking piece of the present invention includes locking spring, latch, before puncture, need to pull back piston, buckle is stuck in and carves in groove, fix piston, when needing subsequently to puncture, only need to press latch, owing to being connected to locking spring on latch, locking spring is compressed, buckle just removes and carves groove, moves puncture needle with back piston at the elastic force pressure zone of spring and travels forward.
(3) present invention is provided with pushnut, and when carrying out gallbladder and puncturing, after puncture needle enters gallbladder, only need to rotate pushnut just can be by the feeding gallbladder slowly of the end of epitheca, it is ensured that the smooth entrance of epitheca.
(4) present invention is provided with pull-button, when pulling piston, only need to pull pull-button, and piston just moves along with pull-button, easy to operate, thus solves the problem that the less piston of hands direct pull diameter is inconvenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the generalized section of Fig. 2.
Fig. 4 is the enlarged drawing in Fig. 3 at locking piece.
Wherein, the parts that in accompanying drawing, labelling is corresponding are entitled: 1-ejector base tube, 2-rear pressing cover, 3-piston, 4-spring, and 5-is protruding, 6-puncture needle, 7-locking spring, 8-latch, 9-carves groove, 10-buckle, 11-locking nut, 12-pushnut, 13-pull-button, 14-epitheca, 15-through hole.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in figures 1-4, gallbladder launches perforator, including ejector base tube 1, is arranged at the rear pressing cover 2 of end, ejector base tube one end, and can relatively move by ejector base tube in being arranged at ejector base tube, and one end extends to outside ejector base tube and runs through the piston 3 of rear pressing cover；Described piston is also socketed with the spring 4 being positioned at ejector base tube on one end of rear pressing cover, and is additionally provided with on piston for compression spring common with rear pressing cover with for controlling the projection 5 that piston is subjected to displacement relative to ejector base tube；Described piston is provided with, away from the end, one end of rear pressing cover, the puncture needle 6 that needle point is positioned at outside ejector base tube；Described ejector substrate tube is additionally provided with the locking piece for preventing piston from moving under the elastic force of spring relative to ejector base tube.Wherein, described ejector base tube is cavity structure, and the cavity at its internal two ends is relatively big, and the cavity structure at middle part is only used as the passage of piston, wherein piston be provided with the position of projection cannot be by the cavity in ejector base tube.By above-mentioned setting, when using the present invention, only need first to be fixed on piston by puncture needle, then piston is pulled back, spring is compressed with rear pressing cover by projection, when being drawn to certain position, piston then can be fixed by locking piece, piston is made to move relative to ejector base tube again, subsequently puncture needle is directed at point of puncture, then locking piece is controlled, piston is enable to move relative to ejector base tube, now due to elastic force and the stop of rear pressing cover of spring, spring just promotes piston brought forward puncture needle to move, when moving to certain position, due to protruding existence, piston then can be stoped to move on, thus realize gallbladder and puncture.
Operating for convenience, the locking piece of the present embodiment includes the locking spring 7 being arranged on ejector base tube medial wall, and end, one end is connected with spring, and it is outer and can the latch 8 of ejector base tube and piston independently moving relatively that other end end is positioned at ejector base tube；Described piston runs through latch, and described piston is provided with more than one groove 9 of carving near the sidewall of locking spring, and latch is provided with carving the sidewall that groove contacts and carves the buckle 10 that groove matches.By above-mentioned setting, before puncturing, pull piston to make buckle be stuck in and carve in groove, just piston can be stoped to continue to be moved rearwards by, control pull distance, the most just control the degree of depth of puncture, in order to adapt to different patients, so the present embodiment is provided with two and carves groove, certainly also can arrange in real process more and several carve groove, what buckle only need to be stuck in before puncturing needs carves in groove, determine paracentesis depth, subsequently when puncturing, pressing latch makes it compress locking spring pressure, buckle just removes in carving groove, under the elastic force of spring, piston will move forward, puncture.
Carrying out disinfection puncture needle for convenience, described piston removably connects with puncture needle；Described piston is provided with, with the ejector base tube of puncture needle connecting place, the through hole 15 running through ejector base tube sidewall；And the outer of through hole concaves relative to ejector base tube outer wall；It is additionally provided with the locking nut 11 for piston and both puncture needles being fixed in through hole simultaneously.By above-mentioned setting, time actually used, piston is fixed by locking nut with puncture needle, after puncture completes, when needing to carry out disinfection puncture needle, only needs rotational lock nut, so that puncture needle separates with piston.Preferred as one, the end, one end that described piston is connected with puncture needle is provided with the jack inserted for puncture needle, and is provided with external screw thread on this end outer wall, and described locking nut is provided with the female thread matched with external screw thread；The sidewall of described jack can draw in when locking nut rotates or open.By above-mentioned setting, when needing the jack that puncture needle is inserted piston, it is necessary first to rotational lock nut, make jack open, then puncture needle is inserted in jack, subsequently reverse direction rotational lock nut, jack is made to draw in, thus clamping puncture needle only, it is fixed.
Inserting in gallbladder by drainage tube for convenience, described ejector base tube other end end is additionally provided with the pushnut 12 being movably connected with ejector base tube；Described puncture needle runs through pushnut.Use the present invention time, first draining-tube cover is connected on puncture needle, then punctures, subsequently pushnut slowly drainage tube is pushed in gallbladder, easy to operate.Preferred as one, described pushnut is connected by screw thread with ejector base tube；When operation, only need to rotate pushnut and can realize promoting drainage tube.
In order in use, it is possible to pull piston, described piston to extend to the one end outside ejector base tube very easily and be additionally provided with the pull-button 13 for pulling piston to move relative to ejector base tube.By above-mentioned setting, when needs pull piston, only need to pull pull-button.
In order to preferably determine whether puncture needle arrives appointment position, the needle point outer wall of described puncture needle is provided with fluorescence coating.Owing to fluorescence coating can be in ultrasonic lower display, so after the present invention penetrates into the human body, can determine concrete position by ultrasonic, operation is very simple, convenient, and the most accurate.
Preferred as one, described puncture needle outer wall is also socketed with epitheca 14.The groove for snapping in pushnut by epitheca it is additionally provided with on described pushnut.
According to above-described embodiment, the present invention just can be realized well.What deserves to be explained is; on the premise of designing based on said structure, for solving same technical problem, even if some made in the present invention are without substantial change or polishing; the essence of the technical scheme used is still as the present invention, therefore it should also be as within the scope of the present invention.
Claims (9)
1. gallbladder launches perforator, it is characterized in that, including ejector base tube (1), be arranged at the rear pressing cover (2) of end, ejector base tube one end, and can relatively move by ejector base tube in being arranged at ejector base tube, and one end extends to outside ejector base tube and runs through the piston (3) of rear pressing cover；Described piston is also socketed with the spring (4) being positioned at ejector base tube on one end of rear pressing cover, and is additionally provided with on piston for compression spring common with rear pressing cover with for controlling the projection (5) that piston is subjected to displacement relative to ejector base tube；Described piston is provided with, away from the end, one end of rear pressing cover, the puncture needle (6) that needle point is positioned at outside ejector base tube；Described ejector substrate tube is additionally provided with the locking piece for preventing piston from moving under the elastic force of spring relative to ejector base tube；
Wherein, described locking piece includes the locking spring (7) being arranged on ejector base tube medial wall, and end, one end is connected with spring, and it is outer and can the latch (8) of ejector base tube and piston independently moving relatively that other end end is positioned at ejector base tube；Described piston runs through latch, and described piston is provided with multiple groove (9) of carving near the sidewall of locking spring, and latch is provided with carving the sidewall that groove contacts and carves the buckle (10) that groove matches.
Gallbladder the most according to claim 1 launches perforator, it is characterised in that described piston removably connects with puncture needle；Described piston is provided with, with the ejector base tube of puncture needle connecting place, the through hole (15) running through ejector base tube sidewall；And the outer of through hole concaves relative to ejector base tube outer wall；It is additionally provided with the locking nut (11) for piston and both puncture needles being fixed in through hole simultaneously.
Gallbladder the most according to claim 2 launches perforator, it is characterised in that described ejector base tube other end end is additionally provided with the pushnut (12) being movably connected with ejector base tube；Described puncture needle runs through pushnut.
Gallbladder the most according to claim 3 launches perforator, it is characterised in that described piston extends to the one end outside ejector base tube and is additionally provided with the pull-button (13) for pulling piston to move relative to ejector base tube.
5. launch perforator according to the gallbladder described in claim 3 or 4, it is characterised in that described pushnut is connected by screw thread with ejector base tube.
Gallbladder the most according to claim 5 launches perforator, it is characterised in that the needle point outer wall of described puncture needle is provided with fluorescence coating.
Gallbladder the most according to claim 2 launches perforator, it is characterized in that, the end, one end that described piston is connected with puncture needle is provided with the jack inserted for puncture needle, and is provided with external screw thread on this end outer wall, and described locking nut is provided with the female thread matched with external screw thread；The sidewall of described jack can draw in when locking nut rotates or open.
Gallbladder the most according to claim 6 launches perforator, it is characterised in that be also socketed with epitheca (14) on described puncture needle outer wall.
Gallbladder the most according to claim 8 launches perforator, it is characterised in that be additionally provided with the groove for snapping in pushnut by epitheca on described pushnut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110532.0A CN103815954B (en) | 2014-03-24 | 2014-03-24 | Gallbladder launches perforator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110532.0A CN103815954B (en) | 2014-03-24 | 2014-03-24 | Gallbladder launches perforator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103815954A CN103815954A (en) | 2014-05-28 |
| CN103815954B true CN103815954B (en) | 2016-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410110532.0A Expired - Fee Related CN103815954B (en) | 2014-03-24 | 2014-03-24 | Gallbladder launches perforator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103815954B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105342673A (en) * | 2015-09-30 | 2016-02-24 | 镇江市中西医结合医院 | Ectopic pregnancy mass impact puncture device |
| CN105249979B (en) * | 2015-11-18 | 2018-06-29 | 唐昊 | A kind of noninvasive multiple spot guarding measuring device |
| CN106377304B (en) * | 2016-12-09 | 2023-05-26 | 成都五义医疗科技有限公司 | Button-driven automatic movement protection puncture needle |
| CN106510810B (en) * | 2016-12-09 | 2023-05-26 | 成都五义医疗科技有限公司 | Button-driven automatic rotation protection puncture needle |
| CN110693576B (en) * | 2019-10-17 | 2024-01-05 | 徐州市中心医院 | Electric planing device used under foramen mirror |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5242427A (en) * | 1990-11-06 | 1993-09-07 | Ethicon, Inc. | Surgical instrument forming a trocar |
| CN2301977Y (en) * | 1997-05-10 | 1998-12-30 | 吴晓明 | Ejection biopsy needle |
| CN2488473Y (en) * | 2001-05-22 | 2002-05-01 | 江朝光 | Medical ejector |
| CN1867297A (en) * | 2003-08-15 | 2006-11-22 | 斯达特医疗器械股份有限公司 | Adjustable lancet device and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995007053A1 (en) * | 1993-09-07 | 1995-03-16 | Invamed, Inc. | Safety shielded, reusable trocar |
-
2014
- 2014-03-24 CN CN201410110532.0A patent/CN103815954B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5242427A (en) * | 1990-11-06 | 1993-09-07 | Ethicon, Inc. | Surgical instrument forming a trocar |
| CN2301977Y (en) * | 1997-05-10 | 1998-12-30 | 吴晓明 | Ejection biopsy needle |
| CN2488473Y (en) * | 2001-05-22 | 2002-05-01 | 江朝光 | Medical ejector |
| CN1867297A (en) * | 2003-08-15 | 2006-11-22 | 斯达特医疗器械股份有限公司 | Adjustable lancet device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103815954A (en) | 2014-05-28 |
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Granted publication date: 20160817 Termination date: 20170324 |