CN203122501U - Straight line cutting stiching instrument capable of adjusting closing space - Google Patents
Straight line cutting stiching instrument capable of adjusting closing space Download PDFInfo
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- CN203122501U CN203122501U CN 201220720531 CN201220720531U CN203122501U CN 203122501 U CN203122501 U CN 203122501U CN 201220720531 CN201220720531 CN 201220720531 CN 201220720531 U CN201220720531 U CN 201220720531U CN 203122501 U CN203122501 U CN 203122501U
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- nail
- nail bin
- straight line
- stiching instrument
- bearing pin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
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- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Portable Nailing Machines And Staplers (AREA)
Abstract
The utility model relates to a straight line cutting stiching instrument capable of adjusting closing space and belongs to a medical equipment technology. The straight line cutting stiching instrument is composed of a nail bin assembly and a nail anvil assembly. A groove body inner cavity of the nail bin assembly is provided with parts such as a nail bin, a nail pushing inclined knife, a cutter knife and a sliding block. The nail anvil assembly mainly comprises parts such as a nail anvil and a plastic handle. The straight line cutting stiching instrument is characterized in that design of a step-transition-shaped locking plate is adopted, a locking crank rotates by 180 degrees around a hinge pin to achieve that three locking sections are carried out when the nail bin assembly and the nail anvil assembly are locked, and the three locking sections can respectively adapt to three kinds of nail bins with different space specifications. Regarding an existing straight line cutting stiching instrument, nail bins with different closing spaces must be matched with straight line cutting stiching instruments with corresponding heights. The straight line cutting stiching instrument which is commonly used by nail bins is achieved, production quantity of the straight line cutting stiching instruments with multiple specifications is reduced, the commonly-used straight line cutting stiching instrument can be used by tissue with different thicknesses of a patient when the patient is in an operation, medical resources are saved, and burden of the patient is lightened.
Description
Technical field:
This utility model relates to a kind of medical apparatus and instruments, relates in particular to be applied to gastrointestinal surgery, lung section, gynecology and once to finish and sew up and the straight cuts stiching instrument of cutting operation, belongs to medical device technology.
Background technology:
The straight cuts stiching instrument appears at the eighties of last century late nineteen seventies, the straight cuts stiching instrument that occurs in the existing market, comprise the gap after straight cuts stiching instrument in the CN201216622Y patent all can not be regulated closure, the nail bin of different size height need be joined the stiching instrument of differing heights specification and be used, and can not use mutual unmatched straight cuts stiching instrument.In the market existing nail bin clearance height have 1.0,1.3,1.5 3 kind, if it is motionless to use unmatched nail bin the stiching instrument percussion can occur, or suturing nail is shaped imperfect.Use two to three times and needs can occur when clinical use, because the position difference of using, thickness of tissue is also different.So then need to use the straight cuts stiching instrument of two to three kinds of differing heights, increased the cost that operation is used.This situation takes place through regular meeting in intestinal surgery.
Summary of the invention:
In order to overcome the deficiency that existing straight cuts stiching instrument exists, solve the problems of the technologies described above, this utility model provides a kind of straight cuts stiching instrument, be step transition shape with a pair of latch inclined design of retaining mechanism, when being convenient to stiching instrument and packing the nail bin of differing heights specification into, the gap uniformity after a corresponding step dimension makes the straight cuts stiching instrument closed and locked is arranged.When the clinical use of operation, realize the same nail bin that can repeatedly use stiching instrument the differing heights specification.Avoid the waste of apparatus, saved medical resource, alleviated the financial burden of sufferer.
Straight cuts stiching instrument provided by the utility model adopts the retaining mechanism of crank-linkage type, is arranged on the afterbody of nail bin groupware, is hidden in the inside of nail bin groupware housing, and the part that is equivalent to connecting rod is the latch of a pair of prolate step transition shape.Described step latch is close in the cell body sidewall, and the locking crank is very short, and respectively there is scalable thing the crank both sides, connect a fixture respectively.In the fixture sidewall outside three corresponding locating grooves are arranged, three different steps of the corresponding latch head of these three locating grooves.Locking crank one end hinge is the fixed pivot of locking crank at the groove tail, and an other end of locking crank and the afterbody of prolate step latch are hinged, and this pin joint can be done 180 ° gyration of radius R around fixed pivot.When locking crank when doing 180 ° of gyrations, the step head of latch is the rectilinear motion of 2R as stroke.In doing the gyration process, the effect that the fixture of locking crank inboard is subjected to scalable thing can enter three locating grooves stage by stage.When whenever advancing a locating groove, represent the fixed position that step of latch head is positioned at respectively.Three different step fixed positions of latch head are in three different closed gaps after making straight cuts stiching instrument closure again, are respectively 1.0,1.3,1.5 millimeters.Use that the gap is 1.0,1.3, during the nail bin of 1.5 3 kind of different size, the locking crank can be rotated to corresponding three locating grooves, fixture enter locating groove just expression gone into gear.Just finished the closed and locked effect of straight line stiching instrument then, promoted the percussion button and just can do the cutting and stitching operation.
The beneficial effects of the utility model are: when changing the nail bin of differing heights specification, no longer change different straight cuts stiching instrument.By the control of locking crank position of rotation, but fixture enters the gear of three different locating grooves, respectively the nail bin of corresponding differing heights specification.In the process of operation, can realize samely as the straight cuts stiching instrument, cooperate the nail bin of differing heights.Use to different-thickness tissue site in the same patient.
Description of drawings:
Fig. 1 is the front view of straight cuts stiching instrument described in the utility model;
Fig. 2 is the vertical view of described straight cuts stiching instrument;
Fig. 3 is the left view of described straight cuts stiching instrument;
Fig. 4 is described straight cuts stiching instrument nail bin groupware front view;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the attached view of described straight cuts stiching instrument nail bin groupware;
Fig. 7 is Fig. 6 B-B partial sectional view;
Fig. 8 is the retaining mechanism front view that is in original position in the nail bin groupware of described straight cuts stiching instrument;
Fig. 9 is that the C of Fig. 8 is to partial sectional view;
Figure 10 is the retaining mechanism front view that is in locked position in the described straight cuts stiching instrument nail bin groupware;
Figure 11 is the E-E partial sectional view of Figure 10;
Figure 12 is that the D of Figure 10 is to view;
Figure 13 is described straight cuts stiching instrument nail-anvil assembly front view;
Figure 14 is described straight cuts stiching instrument nail-anvil assembly upward view;
Figure 15 is nail bin groupware and the sealed preceding network for location of nail-anvil assembly of described straight cuts stiching instrument;
Figure 16 is the nail bin groupware of described straight cuts stiching instrument and the nail-anvil assembly front view of mechanism after sealed that be locked;
Figure 17 is the partial enlarged drawing of Figure 16, is illustrated in pushing slice of nail and stitches the principle of following closely into the B font down with the effect of nail hole;
Figure 18 is the expression operator carries out locking operation with the retaining mechanism of described straight cuts stiching instrument sketch map.
Among the figure: 1. nail bin groupware, 2. nail-anvil assembly, 3. shoulder, 4 nail bin groupware housings, 5 cell bodies, the 6. dowel hole on the nail bin groupware housing, 7. slide block positioning reed, 8. slide block, 9. nail pushing plate, 10. push broach head, 11. push broach plates, 12. cutter, 13. nail bin, 14. centres joint, 15. slide block positioning reed gudgeons, 16. slide block positioning reed sleeve pipe, 17. bearing pins, 18. percussion buttons, 19. bearing pin, 20. locking cranks, 21. step transition latch, 22 grooves are carried turnup structure, 23. vertical openings slotted holes, 24. bearing pins, 25 ejector pin swash plate passages, 26. nail bin housing convex slide units, 27. nail anvils, 28. the nail-anvil assembly housing, the short pin in the sealed location on the 29. nail-anvil assembly housings, 30. shoulders, 31. the nail hole, 32. double fastening caves, 33 pushing slice of nail, 34. the seam nail, 35. sector structures, the seam road on the 36. cell body sidewalls, 37. scalable thing, 38. fixtures, 39. locating grooves.
The specific embodiment:
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1～Figure 18 has expressed the embodiment of straight cuts stiching instrument described in the utility model.Fig. 1～Fig. 3 be the integral body 3 of described straight cuts stiching instrument to view, expression nail bin groupware and these two big parts of nail-anvil assembly are locked together in the duty of a time-out.The composition structure of described nail bin groupware and nail-anvil assembly, operation principle and course of action are referring to Fig. 4～Fig. 8.Nail bin groupware 1 is the carrier (see figure 6) with cell body 5, head is equipped with a dismountable type nail bin 13, be provided with pushing slice of nail 33 and seam nail 34 (seeing Figure 17) in the nail bin 13, the afterbody of cell body 5 is equipped with slide block 8, the head of slide block 8 connects a pair of nail pushing plate 9, be push broach plate 11 between the nail pushing plate, push broach 10 a middle push broach plate 11 that connect, the both sides sky is enclosed within on the nail pushing plate 9; Percussion button 18 passes seam road 36 on cell body 5 sidewalls and is connected with slide block 8 and (sees Fig. 5,) described dismountable type nail bin 13 surfaces have the centre joint 14 one, the guiding that is used for cutter 12, there are symmetrical two ejector pin swash plate passage 25 (see figure 9)s at nail bin 13 backs, its both sides are double fastening caves 32, dress pushing slice of nail 33 and seam nail 34 in the nail cave 32, when travelling forward along the seam road 36 on the cell wall with hand propelled percussion button 18, promote slide block 8 in cell body 5 slides forwards, the slip of slide block promotes ejector pin swash plate 9 forward, then promote push broach 10 a drive push broach plate 11 together forward, cutter 12 on push pedal cutter 11 other ends are motion forward in the centre joint 14 of nail bin, nail pushing plate 9 is motion forward in the nail pushing plate passage 25 at nail bin 13 backs, the inclined-plane of nail pushing plate head promotes pushing slice of nail 33, and then promoting seam nail 34 vertically upward, lower limb bending forming motion (seeing Figure 17) is done to follow closely in corresponding nail hole 31 on the aligning nail anvil 27.Described nail-anvil assembly 2 is mainly formed (seeing Figure 13) by parts such as nail anvil 27, nail-anvil assembly housing 28 and bearing pins 24, and 2 liang of big parts of nail bin groupware 1 and nail-anvil assembly can arbitrarily close up locking by means of the bearing pin 24 on retaining mechanism and the nail anvil or separate.
Can not regulate the gap in order to overcome existing straight cuts stiching instrument locking when closing, retaining mechanism is designed to the crank-linkage type mechanism of three kinds of different shut heights of scalable.Described retaining mechanism is by locking crank 20, a pair of step transition latch 21, bearing pin 17, bearing pin 19, scalable thing 37, fixture 38, locating groove 39, and the dependency structure of cell body 5 and nail bin groupware housing 4 is formed, a pair of step transition latch 21 is arranged in outside cell body 5 two sides, in the sidewall of nail bin groupware housing 4, the outer wall of being close to cell body 5, its afterbody is hinged on the locking crank 20 by bearing pin 19, locking crank 20 then is bearing in the afterbody of cell body 5 by bearing pin 17, when locking crank 20 turns over 180 ° around bearing pin 17, the afterbody that drives a pair of step transition latch 21 by bearing pin 19 turns over 180 ° as circular motion, and the head moving linearly of step transition latch 21, the radius of gyration of supposing bearing pin 19 is R, when then locking 180 ° of crank 20 revolutions, the distance that the head of a pair of step transition latch advances is 2R, when the head of step transition latch 21 advances, bearing pin 24 on its head inclined-plane compressing nail-anvil assembly 2 makes it move downward along a pair of vertical openings slotted hole 23 on the cell body 5, reach nail bin nail anvil two big parts are closed up the purpose that is locked together, turn in 180 ° of processes at locking crank 20, after the fixture 38 of crank inside is subjected to acting on of scalable thing 37 and turns over 90 °, can enter three locating grooves 39 one by one, each locating groove is representing a level altitude, the head of step transition latch 21 also should have a position to compress bearing pin 24 mutually at this moment, make nail bin nail anvil two big parts close up locking, be in a fixing gap.The locating groove 39 of three diverse locations is corresponding 1.0,1.3,1.5 millimeters closed gaps respectively, realize the function (see figure 1) in the closed gap of scalable.
The concrete operations step of this utility model straight cuts stiching instrument: in the time of need sewing up cutting operation to organ with the straight cuts stiching instrument, at first locking crank 20 is pulled original position (see figure 8) on the nail bin groupware, nail bin groupware 1 and nail-anvil assembly 2 are separated, the nail bin groupware head is inserted the bottom of the organ-tissue that need operate, again nail-anvil assembly 2 is combined on the organ-tissue, move the lug 37 on the locking crank 20, the center that makes it center on bearing pin 17 turns over 120 °, fixture 38 enters locating groove 39, check whether be the height that needs adjusting, not right as shut height, continue rotational lock crank 20, make the gear that fixture 38 enters to be needed, this moment, nail bin nail anvil two big parts were locked together the sketch map of locking operation (seeing Figure 18).Then, promote percussion button 18 forward, under the effect of percussion button, promote nail pushing plate 9, push broach 10, push broach plate 11 travel forward together, the inclined-plane of nail pushing plate 9 front ends moves horizontally forward in passage 25, seam nail 34 in the double fastening cave 32 is upwards moved both vertically, the brake forming under 31 effects of the hole of the nail on the nail anvil of the nail foot of seam nail 34, seam nail 34 finally becomes " B " font, finish the double suture operation as the stapler action principle, almost the cutter 12 in the middle of the simultaneously double seam are finished and are organized cutting operation.The percussion button is pushed forward to terminal point, has namely finished the stitching cutting operation of whole tissue, subsequently, the percussion button is returned backward, drives slide block 8, nail pushing plate 9, push broach 10, cutter 12 reset.At this moment, can with locking crank 20 from locating groove 39 under pulled 120 ° to 180 °, get back to the position of unclamping, take out stapler, before doing operation next time, need to change dismountable type nail bin 13, cleaning nail anvil 27.
This utility model changes the sphenocephaly latch of reason into step transition shape latch 21, and original head inclined-plane changes transition shoulder into, and this effect can make the inclined-plane that compresses press three kinds of different height.The scalable thing 37 that be equipped with locking crank 20 inside makes it spring into locating groove 39 easily when fixture 38 enters locating groove 39, and significantly fixing sensation is arranged.This gear position operation method can easily be switched the gap of differing heights in use, and operation is very easy.
Claims (1)
1. a straight cuts stiching instrument comprises nail bin groupware (1) and nail-anvil assembly (2) two big parts; Described nail bin groupware (1) is carrier with cell body (5), its inner chamber head is provided with dismountable type nail bin (13), afterbody is provided with slide block (8), slider head connects a pair of nail pushing plate (9), be push broach plate (11) in the middle of the nail pushing plate, one end of push broach plate connects push broach head (10), and the other end has cutter (12), and the seam road (36) that percussion button (18) passes on cell body (5) sidewall is connected with slide block (8); The percussion button can reciprocatingly slide along seam road (36), cutter (12) can reciprocatingly slide in the centre joint (14) on nail bin (13) surface, a pair of nail pushing plate (9) can reciprocatingly slide in two nail pushing plate passages (25) at nail bin (13) back, the both sides of nail pushing plate passage (25) are double fastening cave (32), and dress pushing slice of nail (33) and seam nail (34) can slide in the nail cave in the nail cave; Described nail-anvil assembly (2) mainly is made up of nail anvil (27), nail-anvil assembly housing (28) and each part of bearing pin (24), it is the nail hole (31) of guide slit nail molding that nail anvil (27) is gone up on the position in nail cave (32) of corresponding nail bin (13), and nail bin groupware (1) and nail-anvil assembly (2) two big parts can arbitrarily close up by means of the bearing pin 3 (24) on retaining mechanism and the nail anvil locks or separate; It is characterized in that: be located at the retaining mechanism of nail bin groupware inside by locking crank (20), a pair of step transition shape latch (21), bearing pin (17), bearing pin (19), and cell body (5), the dependency structure structure that nail bin groupware is moulded on the handle (4) forms, the afterbody that scalable thing (37) and fixture (38) are located at cell body (5) is equipped with in locking crank (20) inboard, cell body (5) both sides are close to outer wall and are provided with a pair of step transition latch (21) symmetrically, described step transition latch afterbody is hinged on locking crank (20) by bearing pin 2 (19), locking crank (20) is bearing on the cell body (5) by bearing pin 1 (17), when locking crank (20) turns over 180 ° around bearing pin (17), drive a pair of step transition shape latch (21) head moving linearly, the bearing pin (24) on its step head compressing nail-anvil assembly (2) makes it move downward with sealed nail bin groupware and nail-anvil assembly two big parts along a pair of vertical openings slotted hole (23) on the cell body (5); The inboard that nail bin groupware is moulded handle (4) has a pair of nail bin to mould handle convex slide unit (26), constitutes the track that step transition shape latch head does reciprocating linear motion; Cell body (5) is provided with a pair of turnup structure (22), bears when locking bearing pin (24) to the counteracting force of step head, and the afterbody of cell body (5) is provided with a pair of sector structure (35), in order to reserve space when doing 180 ° of gyrations for bearing pin (19); Nail bin groupware housing (4) afterbody has three locating grooves (39), the fixture (38) of locking crank (20) inboard when doing 180 ° of gyrations can enter three locating grooves (39) of nail bin groupware housing (4) afterbody respectively, controls the position that step transition shape latch (21) advances with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220720531 CN203122501U (en) | 2012-12-22 | 2012-12-22 | Straight line cutting stiching instrument capable of adjusting closing space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220720531 CN203122501U (en) | 2012-12-22 | 2012-12-22 | Straight line cutting stiching instrument capable of adjusting closing space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203122501U true CN203122501U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220720531 Expired - Fee Related CN203122501U (en) | 2012-12-22 | 2012-12-22 | Straight line cutting stiching instrument capable of adjusting closing space |
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| CN (1) | CN203122501U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105832372A (en) * | 2016-05-23 | 2016-08-10 | 上海逸思医疗科技有限公司 | Surgical stapler |
| CN108348648A (en) * | 2015-10-29 | 2018-07-31 | 伊西康有限责任公司 | Extensible supporter component for surgical stapling device |
| CN108348651A (en) * | 2015-08-17 | 2018-07-31 | 伊西康有限责任公司 | Implanted layer for surgical instruments |
| WO2019029307A1 (en) * | 2017-08-11 | 2019-02-14 | 上海逸思医疗科技有限公司 | Linear stapler with adjustment mechanism |
| CN114619221A (en) * | 2022-03-30 | 2022-06-14 | 重庆犇沃机电有限公司 | Scissor assembly method and hybrid scissor assembly machine |
-
2012
- 2012-12-22 CN CN 201220720531 patent/CN203122501U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108348651A (en) * | 2015-08-17 | 2018-07-31 | 伊西康有限责任公司 | Implanted layer for surgical instruments |
| CN108348651B (en) * | 2015-08-17 | 2021-09-24 | 伊西康有限责任公司 | Implantable layers for surgical instruments |
| CN108348648A (en) * | 2015-10-29 | 2018-07-31 | 伊西康有限责任公司 | Extensible supporter component for surgical stapling device |
| CN108348648B (en) * | 2015-10-29 | 2021-09-07 | 伊西康有限责任公司 | Extendable buttress assembly for a surgical stapler |
| CN105832372A (en) * | 2016-05-23 | 2016-08-10 | 上海逸思医疗科技有限公司 | Surgical stapler |
| WO2017202392A1 (en) * | 2016-05-23 | 2017-11-30 | 上海逸思医疗科技有限公司 | Surgical stapler |
| CN105832372B (en) * | 2016-05-23 | 2018-06-15 | 上海逸思医疗科技有限公司 | A kind of surgical stapling |
| WO2019029307A1 (en) * | 2017-08-11 | 2019-02-14 | 上海逸思医疗科技有限公司 | Linear stapler with adjustment mechanism |
| US11369369B2 (en) | 2017-08-11 | 2022-06-28 | Ezisurg Medical Co., Ltd. | Linear stapler with adjustment mechanism |
| CN114619221A (en) * | 2022-03-30 | 2022-06-14 | 重庆犇沃机电有限公司 | Scissor assembly method and hybrid scissor assembly machine |
| CN114619221B (en) * | 2022-03-30 | 2023-04-14 | 重庆犇沃机电有限公司 | Scissor assembly method and hybrid scissor assembly machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20131222 |