CN108078609A - For the clamping device of caecum operation - Google Patents
For the clamping device of caecum operation Download PDFInfo
- Publication number
- CN108078609A CN108078609A CN201611020712.5A CN201611020712A CN108078609A CN 108078609 A CN108078609 A CN 108078609A CN 201611020712 A CN201611020712 A CN 201611020712A CN 108078609 A CN108078609 A CN 108078609A
- Authority
- CN
- China
- Prior art keywords
- moving
- chamber
- head
- keeping
- spool
- Prior art date
Links
- 241000252983 Caecum Species 0.000 title claims abstract description 39
- 210000004534 Cecum Anatomy 0.000 title claims abstract description 39
- 239000007788 liquids Substances 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injections Substances 0.000 claims 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 239000003570 air Substances 0.000 description 2
- 230000000903 blocking Effects 0.000 description 2
- 238000010586 diagrams Methods 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reactions Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000006467 substitution reactions Methods 0.000 description 2
- 280000048357 Bar Group companies 0.000 description 1
- 210000001035 Gastrointestinal Tract Anatomy 0.000 description 1
- 210000000936 Intestines Anatomy 0.000 description 1
- 241000222712 Kinetoplastida Species 0.000 description 1
- 241001646071 Prioneris Species 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essences Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000001960 triggered Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
-
- 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
- A61B2017/00818—Treatment of the gastro-intestinal system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B2017/2808—Clamp, e.g. towel clamp
Abstract
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of clamping devices for caecum operation.
Background technology
When carrying out caecum surgical operation, clamping device of the prior art is in stepless clamping shape when clamping caecum State, i.e. gripper clamp always need human hand to go to hold, and otherwise caliper cannot keep in clamp position, and the opening performed the operation cannot be really people Hand provides enough spaces, so as to add the difficulty of operation.
In view of drawbacks described above, it is necessary to which a kind of clamping device that caliper can be made to automatically keep clamp position is provided.
The content of the invention
For the above-mentioned technical problems in the prior art, the present invention provides a kind of clamping dresses for caecum operation It puts.
In order to solve the above technical problems, the technical solution adopted by the present invention is:
A kind of clamping device for caecum operation, for clamping caecum, including:
Keeping body, with head end and tail end;
Two calipers are articulated in the head end of the keeping body in a manner of being oppositely arranged;
Mobile group, including the first moving body and the second moving body, first moving body and second moving body are equal It can move linearly towards the head end of the keeping body and tail end direction, to work as first moving body towards the head end of the keeping body When being moved to the first precalculated position, first moving body causes two calipers to be maintained at clamp position, and when described second When the head end of moving body towards the keeping body is moved to the second precalculated position, two calipers are at the relaxation being pivoted relative to each other State.
Preferably, first chamber is offered in the keeping body, first moving body wears the first chamber, and institute It states the first move body posture and the part in the first chamber is provided with first piston, the first piston is by the first chamber Left chamber and the right chamber of closing are divided into, is formed in the keeping body and connects the first of the left chamber and the right chamber Passage;Wherein:
When the head end of the first moving body towards the keeping body is moved to the first precalculated position, first moving body The head end for forcing two calipers is mutually close, while first moving body causes the first passage to separate.
Preferably, first moving body offers second chamber, and the head end of second moving body stretches into described second In chamber, offer second channel in second moving body, the both ends of the second channel respectively with the left chamber and the right side Chamber, wherein:
When the head end of the second moving body towards the keeping body is moved to the second precalculated position, second moving body So that second channel turns on.
Preferably, first moving body controls the break-make of the first passage by first control assembly;It is described First control assembly includes linking with first moving body and is used to push against the telescopic rod group of the tail end of the caliper, sets relatively Two electromagnets, push rod, the first valve rod, the first spool and the skewback put;Wherein:
The keeping body offers the first directed cavity on the direction moved perpendicular to first moving body and flat Row on the first moving body moving direction in offering the second directed cavity and the first valve chamber;First valve chamber is formed in described On first passage, the push rod is arranged in first directed cavity, and the skewback is arranged in second directed cavity, described First spool is arranged in first valve chamber, and first spool is connected by first valve rod with the skewback, and institute When stating the first spool and being located at one end of tail end of first valve chamber close to the keeping body, first spool blocks described the One passage, when first spool is located at one end of head end of first valve chamber close to the keeping body, first spool Connect the first passage, the upper end of the push rod is abutted with the inclined-plane of the skewback, the lower end of the push rod and the pincers The tail end of body sets two electromagnets respectively;Make a reservation for when the tail end of the first moving body towards the keeping body is moved to first During position, first moving body forces the telescopic rod group elongation, and to promote the tail end of the caliper, the caliper passes through two The repulsion of the electromagnet pushes against the push rod and moves up, and the upper end of the push rod with inclined-plane cooperation by pushing against the skewback towards institute The tail end movement of keeping body is stated to drive first spool mobile so that the first passage blocks.
Preferably, second moving body controls the break-make of the second channel by the second control assembly;Described second Control assembly includes the second valve rod and the second spool;The movement with second moving body is offered in second moving body The second vertical valve chamber of direction, second valve chamber are formed on the second channel, and second spool is arranged on described the In two valve chambers, and when second spool is moved to the upper end of second valve chamber, the second channel conducting is moved to down During end, the second channel blocks, and the second valve rod upper end is connected with second spool, wherein:
Protrusion is provided on second moving body, when the head end of the second moving body towards the keeping body is moved to During two precalculated positions, the protrusion pushes against second valve rod so that second valve rod push against second spool move up with Turn on the second channel.
Preferably, the head end of second moving body is provided with second piston, and the second chamber extends to described first The head end of moving body simultaneously forms one for spraying the necking of liquid in the head end, to work as second moving body towards the guarantor When holding the tail end movement of body, the head end of first moving body is drawn liquid into the second chamber, and to work as described second When the head end of moving body towards the keeping body moves, liquid is sprayed from the head end of first moving body.
Preferably, first valve chamber is provided with the first spring, and first spring is used for the head end towards the keeping body Push against first spool;It is provided with second spring in second valve chamber, the second spring is for pushing down on to described the Two spools.
Compared with prior art, the advantageous effect of the clamping device for caecum operation of the invention is:When needing to make two When caliper clamps caecum, move the head end of the first moving body towards keeping body, when being moved to the first precalculated position, two calipers pair Caecum clamps, and will not self-relaxation;When needing to unclamp caecum, mobile second moving body makes the second moving body be moved to the Two precalculated positions, two calipers because that can pivot so that two calipers are in relaxed state to unclamp caecum automatically.
Description of the drawings
Fig. 1 is that the caliper of the clamping device for caecum operation of the present invention is in the structure diagram of clamp position;
Fig. 2 is the close-up schematic view of Fig. 1;
Fig. 3 is the structural representation in the conduction state of the second channel of the clamping device for caecum operation of the present invention Figure;
Fig. 4 is that the caliper of the clamping device for caecum operation of the present invention is in the structure diagram of relaxed state.
In figure:
10- keeping bodies;The first moving bodys of 20-;21- first pistons;22- left chamber;23- right chambers;24- first passages; The second moving bodys of 30-;31- second pistons;32- second chambers;33- second channels;34- neckings;35- protrusions;40- calipers;50- Telescopic rod group;51- stretches mandril;61- electromagnets;The first valve rods of 62-;63- push rods;64- skewbacks;The second spools of 65-;66- One spring;The second spools of 71-;The second valve rods of 72-.
Specific embodiment
For those skilled in the art is made to be better understood from technical scheme, below in conjunction with the accompanying drawings and specific embodiment party Formula elaborates to the present invention.
As shown in Figs 1-4, the invention discloses it is a kind of for caecum operation clamping device, for clamping caecum, including: Keeping body 10, with head end and tail end;Two calipers 40 are articulated in the head end of keeping body 10 in a manner of being oppositely arranged;It moves Dynamic group, including the first moving body 20 and the second moving body 30, the first moving body 20 and the second moving body 30 can be towards holdings The head end of body 10 and the linear movement of tail end direction, the first pre-determined bit is moved to the head end when the first moving body 20 towards keeping body 10 When putting, the first moving body 20 is so that two calipers 40 are maintained at clamp position, and work as the second moving body 30 towards the head end of keeping body 10 When being moved to the second precalculated position, two calipers 40 are at the relaxed state being pivoted relative to each other.In this way, as shown in Figure 1, when needs When so that two calipers 40 is clamped caecum, move the head end of the first moving body 20 towards keeping body 10, when being moved to the first precalculated position When, two calipers 40 clamp caecum, and will not self-relaxation;When needing to unclamp caecum, mobile second moving body 30 makes second Moving body 30 is moved to the second precalculated position, and two calipers 40 because that can pivot so that two calipers 40 are in relaxed state with pine automatically Open-blind intestines.
It should be noted that:First precalculated position of the first above-mentioned moving body 20 and the second of the second moving body 30 makes a reservation for Position specifically refers to:By calculating default position, that is to say, that precalculated position be default so that caliper 40 realize clamping with Loose trigger position.
Can realize 40 above-mentioned action of caliper structure and mode can there are many, in a preferred embodiment of the present invention In, as shown in Figure 1, offering first chamber in keeping body 10, the first moving body 20 wears first chamber, and the first moving body 20 Part in first chamber is provided with first piston 21, and first chamber is divided into the left chamber 22 of closing by first piston 21 With right chamber 23, the first passage 24 of connection left chamber 22 and right chamber 23 is formed in keeping body 10;Wherein:When the first movement When the head end of body 20 towards keeping body 10 is moved to the first precalculated position, the first moving body 20 forces the head end of two calipers 40 mutually to lean on Closely, while the first moving body 20 is so that first passage 24 separates.First moving body 20 offers second chamber 32, the second moving body 30 head end is stretched into second chamber 32, and second channel 33, the both ends difference of second channel 33 are offered in the second moving body 30 It is connected with left chamber 22 and right chamber 23, wherein:When the head end of the second moving body 30 towards keeping body 10 is moved to the second pre-determined bit When putting, the second moving body 30 is so that second channel 33 turns on.
In this way, when the movement by the first moving body 20 connects 24 quilt of first passage of left chamber 22 and right chamber 23 During blocking, flowing can not be realized between the air in left chamber 22 and right chamber 23, so that 20 remains stationary of the first moving body, So that caliper 40 keeps clamp position;When the movement connection left chamber 22 by the second moving body 30 and right chamber 23 First passage 24 when being switched on, flowing is realized between the air in left chamber 22 and right chamber 23, so that the first moving body 20 can move freely, so that caliper 40 is opened up into relaxed state.Here, the first precalculated position is the first moving body 20 The position that first passage 24 blocks is triggered, the second precalculated position is the position that the second moving body 30 triggering second channel 33 turns on.
Specifically, as shown in Figure 1, the first moving body 20 controls the break-make of first passage 24 by the first control assembly;The One control assembly includes linking with the first moving body 20 and for pushing against the telescopic rod group 50 of the tail end of caliper 40, being oppositely arranged Two electromagnets 61, push rod 63, the first valve rod 62, the first spool 65 and skewback 64;Wherein:Keeping body 10 is moved perpendicular to first The first directed cavity is offered on the direction that kinetoplast 20 moves and offers the on parallel to 20 moving direction of the first moving body Two directed cavities and the first valve chamber;First valve chamber is formed on first passage 24, and push rod 63 is arranged in the first directed cavity, skewback 64 It is arranged in the second directed cavity, the first spool 65 is arranged in the first valve chamber, and the first spool 65 passes through the first valve rod 62 and skewback 64 connections, and when the first spool 65 is located at the first valve chamber close to one end of the tail end of keeping body 10, the first spool 65 blocking first Passage 24, when the first spool 65 is located at the first valve chamber close to one end of the head end of keeping body 10, the first spool 65 makes first passage 24 connections, the upper end of push rod 63 are abutted with the inclined-plane of skewback 64, and the lower end of push rod 63 sets two electricity respectively with the tail end of caliper 40 Magnet 61;When the tail end of the first moving body 20 towards keeping body 10 is moved to the first precalculated position, the first moving body 20, which forces, to be stretched Contracting bar group 50 extends to promote the tail end of caliper 40, and caliper 40 pushes against push rod 63 by the repulsion of two electromagnets 61 and moves up, push rod 63 upper end by with inclined-plane coordinate pushing and pressing skewback 64 towards the tail end movement of keeping body 10 the first spool 65 to be driven to move so that First passage 24 blocks.As shown in Figures 2 and 3, the second moving body 30 controls the logical of second channel 33 by the second control assembly It is disconnected;Second control assembly includes the second valve rod 72 and the second spool 71;It is offered in second moving body 30 and the second moving body The second vertical valve chamber of 30 moving direction, the second valve chamber are formed on second channel 33, and the second spool 71 is arranged on the second valve In chamber, and when the second spool 71 is moved to the upper end of the second valve chamber, second channel 33 turns on, and when being moved to lower end, second is logical Road 33 blocks, and 72 upper end of the second valve rod is connected with the second spool 71, wherein:Protrusion 35 is provided on second moving body 30, when the When the head end of two moving body 30 towards keeping bodies 10 is moved to the second precalculated position, protrusion 35 pushes against the second valve rod 72, so that second Valve rod 72 pushes against the second spool 71 and moves up so that second channel 33 turns on.In this way, the first moving body 20 passes through the first control assembly Caliper 40 is enable to keep clamp position, the second moving body 30 realizes the pine after clamping by the second control assembly caliper 40 Relaxation state.
In a preferred embodiment of the invention, the head end of the second moving body 30 is provided with second piston 31, the second chamber Room 32 extends to the head end of the first moving body 20 and forms one in head end for spraying the necking 34 of liquid, with when the second movement Body 30 towards keeping body 10 tail end movement when, the head end of the first moving body 20 is drawn liquid into second chamber 32, and with when the When the head end of two moving bodys 30 towards keeping body 10 moves, liquid is sprayed from the head end of the first moving body 20.Being used for for the present invention is blind The clamping device of gut surgery enables to caliper 40 first to clamp caecum and keeps clamp position by the first moving body 20, then will inhale Caecum will be sprayed to by pushing against the second moving body 30 by entering liquid in second chamber 32, to be cleaned to caecum, when by second When the head end of second chamber 32 is arrived in the pushing and pressing of piston 31, protrusion 35 pushes against the second spool 71 just so that and second channel 33 turns on, from And can move freely the first moving body 20, caliper 40 realizes relaxation, completes the function of gripper clamp.
Preferably, the first valve chamber is provided with the first spring 66, and the first spring 66 is used for the head end pushing and pressing the towards keeping body 10 One spool 65;Second spring is provided in second valve chamber, second spring is used to push down on to the second spool 71.First spring, 66 He Second spring provides reset for the first spool 65 and the second spool 71.
It should be noted that:The structure of telescopic rod group 50 can there are many, it may for example comprise a cylinder is set on the cylinder Sawtooth is equipped with, the upper and lower ends of cylinder are equipped with flexible mandril 51, the flexible mandril 51 and engagement, cylinder body outer wall and the One moving body 20 engages.In this way, when the first moving body 20 moves, cylinder, which opens up, to be rotated and makes the saw of cylinder and flexible mandril 51 Tooth misplaces, so that 51 extension elongation of flexible mandril increases, so as to increase the entire length of telescopic rod group 50.
Above example is only exemplary embodiment of the present invention, is not used in the limitation present invention, protection scope of the present invention It is defined by the claims.Those skilled in the art can make the present invention respectively in the essence and protection domain of the present invention Kind modification or equivalent substitution, this modification or equivalent substitution also should be regarded as being within the scope of the present invention.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611020712.5A CN108078609B (en) | 2016-11-21 | 2016-11-21 | Clamping device for cecum surgery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611020712.5A CN108078609B (en) | 2016-11-21 | 2016-11-21 | Clamping device for cecum surgery |
Publications (2)
Publication Number | Publication Date |
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CN108078609A true CN108078609A (en) | 2018-05-29 |
CN108078609B CN108078609B (en) | 2020-09-11 |
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CN201611020712.5A CN108078609B (en) | 2016-11-21 | 2016-11-21 | Clamping device for cecum surgery |
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Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5571129A (en) * | 1995-05-15 | 1996-11-05 | Portlyn Corporation | Surgical cutting instrument with improved cleaning capability and ease of use |
DE19908593C2 (en) * | 1999-02-27 | 2001-10-31 | Winter & Ibe Olympus | Surgical instrument |
US20010041893A1 (en) * | 2000-05-04 | 2001-11-15 | Volker Bartel | Surgical instrument for minimally invasive surgery |
EP2392270A1 (en) * | 2010-06-02 | 2011-12-07 | Tyco Healthcare Group, LP | Apparatus for performing an electrosurgical procedure |
CN103603975A (en) * | 2013-11-26 | 2014-02-26 | 湖南特力液压有限公司 | Check valve with push rod and multi-stage hydraulic cylinder |
CN104042255A (en) * | 2013-03-13 | 2014-09-17 | 柯惠Lp公司 | Saber Tooth Harvester |
WO2014155743A1 (en) * | 2013-03-29 | 2014-10-02 | 国立大学法人 東京工業大学 | Forceps |
CN204016443U (en) * | 2014-08-04 | 2014-12-17 | 李峰 | A kind of foreign body in trachea clamp device |
CN204016448U (en) * | 2014-08-04 | 2014-12-17 | 李峰 | A kind of trachea foreign body forceps caliper |
CN204133545U (en) * | 2014-09-16 | 2015-02-04 | 蒋志强 | Percutaneous kidney pus and blood forceps |
US20150173787A1 (en) * | 2013-12-19 | 2015-06-25 | Karl Storz Gmbh & Co. Kg | Medical Instrument With A Flexible Toothed Belt |
CN204542268U (en) * | 2015-04-20 | 2015-08-12 | 马国荣 | A kind of air pressure drives Blood calldack formula mosquito forceps |
US20160235426A1 (en) * | 2013-10-29 | 2016-08-18 | Olympus Corporation | Endoscopic treatment instrument and endoscope system |
-
2016
- 2016-11-21 CN CN201611020712.5A patent/CN108078609B/en active IP Right Grant
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5571129A (en) * | 1995-05-15 | 1996-11-05 | Portlyn Corporation | Surgical cutting instrument with improved cleaning capability and ease of use |
DE19908593C2 (en) * | 1999-02-27 | 2001-10-31 | Winter & Ibe Olympus | Surgical instrument |
US20010041893A1 (en) * | 2000-05-04 | 2001-11-15 | Volker Bartel | Surgical instrument for minimally invasive surgery |
EP2392270A1 (en) * | 2010-06-02 | 2011-12-07 | Tyco Healthcare Group, LP | Apparatus for performing an electrosurgical procedure |
CN104042255A (en) * | 2013-03-13 | 2014-09-17 | 柯惠Lp公司 | Saber Tooth Harvester |
WO2014155743A1 (en) * | 2013-03-29 | 2014-10-02 | 国立大学法人 東京工業大学 | Forceps |
US20160235426A1 (en) * | 2013-10-29 | 2016-08-18 | Olympus Corporation | Endoscopic treatment instrument and endoscope system |
CN103603975A (en) * | 2013-11-26 | 2014-02-26 | 湖南特力液压有限公司 | Check valve with push rod and multi-stage hydraulic cylinder |
CN103603975B (en) * | 2013-11-26 | 2015-10-28 | 湖南特力液压有限公司 | Multistage hydraulic cylinder |
US20150173787A1 (en) * | 2013-12-19 | 2015-06-25 | Karl Storz Gmbh & Co. Kg | Medical Instrument With A Flexible Toothed Belt |
CN204016448U (en) * | 2014-08-04 | 2014-12-17 | 李峰 | A kind of trachea foreign body forceps caliper |
CN204016443U (en) * | 2014-08-04 | 2014-12-17 | 李峰 | A kind of foreign body in trachea clamp device |
CN204133545U (en) * | 2014-09-16 | 2015-02-04 | 蒋志强 | Percutaneous kidney pus and blood forceps |
CN204542268U (en) * | 2015-04-20 | 2015-08-12 | 马国荣 | A kind of air pressure drives Blood calldack formula mosquito forceps |
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CN108078609B (en) | 2020-09-11 |
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