CN104921772A - Manual type anorectal surgery magnetic ring anastomat - Google Patents
Manual type anorectal surgery magnetic ring anastomat Download PDFInfo
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- CN104921772A CN104921772A CN201510382849.4A CN201510382849A CN104921772A CN 104921772 A CN104921772 A CN 104921772A CN 201510382849 A CN201510382849 A CN 201510382849A CN 104921772 A CN104921772 A CN 104921772A
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- handle
- magnet ring
- magnetic ring
- upper magnetic
- ring shell
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00876—Material properties magnetic
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/1114—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus
- A61B2017/1117—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis of the digestive tract, e.g. bowels or oesophagus adapted for discharge after necrotisation, e.g. by evacuation, expulsion or excretion
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
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- Veterinary Medicine (AREA)
- Physiology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a manual type anorectal surgery magnetic ring anastomat which comprises an upper magnetic ring shell, an upper magnetic ring is embedded and fixed in a cavity of the upper magnetic ring shell, and a plurality of upper magnetic ring shell clamping grooves are formed in the ring wall of an inner hole of the upper magnetic ring shell. Each upper magnetic ring shell clamping groove can be connected with a correspondingly-arranged claw clamp in a clamped mode, and the claw clamps are commonly fixed to a clamping claw through claw petals. A notch is formed in the side wall of the lower end of the clamping claw, and a lower magnetic ring shell is oppositely arranged below the upper magnetic ring shell. A lower magnetic ring capable of being attracted to the upper magnetic ring is embedded and fixed in a cavity of the lower magnetic ring shell, and the lower magnetic ring shell is embedded in a groove in the upper end of a handle through transition fit. A push rod is arranged in the handle, an annular cutter is arranged at the upper end of the push rod, a driving shaft penetrates through a middle hole of the push rod, the top end of the driving shaft is fixedly connected with the bottom end of the clamping claw, the lower portion of the driving shaft is connected with a vertical driving mechanism, and the lower end of the push rod is connected with the handle. The manual type anorectal surgery magnetic ring anastomat is simple in structure and convenient to operate.
Description
Technical field
The present invention relates to a kind of manual type anorectal surgery anastomat, particularly a kind of surgical stapling utilizing magnet ring performance.
Background technology
Magnet ring coincide principle be utilize high magnetic material to make magnet ring between strong captivation, produce persistence, non-penetrative, magnetic force reduce and the mechanical pressure power strengthened gradually with two magnet ring spacing.Utilize two magnet rings of same shape to carry out precisely involutory in the characteristic that three dimensions is automatically involutory, cause the intestinal wall ischemic necrosis of pressurized between two magnet rings, outside magnet ring, adjacent intestinal wall heals gradually simultaneously.At present, magnetic Technology in Pressing is mainly used in the various traditional operations such as the treatment of postoperative biliary tract stenosis, coronary artery bypass grafting, society narrow treatment, vascular anastomosis, gastrointestinal anastomosis and endoscope-assistant surgery.Magnet ring anastomosis is for traditional titanium nail anastomat, not hemorrhage in its art, postoperative several days magnet ring self fallings, can excrete from anus, any object is not left in body, simultaneously wound healing is more desirable, postoperatively should not infect, thus becomes the ideal chose of the operations such as anorectal, gastrointestinal and foreskin.
At present, all research and development design is carried out to magnet ring anastomosis and magnet ring stapling apparatus both at home and abroad.Patent 201010200289.3 is launched mainly for gastrointestinal anastomosis device, and such dress that coincide is only suitable for the end to end anastomosis of intestinal, blood vessel, cannot operate for anal-surgeries such as hemorrhoid operations.Patent 201210000963.2, by improvement magnet ring, can facilitate magnet ring to excrete by magnet ring distortion.This magnet ring structure is complicated, does not have operating means, is difficult in the operations such as hemorrhoid from the built-in enforcement operation of anal orifice.The magnet ring anastomat of patent 20140699112.0 fixes two magnet rings by buckle, but this identical magnet ring does not have operating means, be difficult to go deep into carrying out hemorrhoid operation in body by anal orifice.Patent 201510028534.X is mainly for gastrointestinal anastomosis, and it utilizes the handle principle of current pressing anastomat to operate, but this patent structure is simple, realizes difficulty, also needs further to improve and could realize.
In anorectal anastomosis operation, the use of anastomat greatly simplifies the operation of operation, reduces patient suffering, saves patient's recovery time.But the operating mechanism of anastomat in anorectal anastomosis operation, not only directly affects the surgical quality of patient, the operation simultaneously for doctor uses generation material impact.Therefore, for anorectal anastomosis operation, reduce operation difficulty of implementation, improving the basic method of operation comfort to be exactly the anastomat apparatus developing a set of handy practicality.Improving the operative effect of patient and increasing the operability of doctor, ensure that anorectal anastomosis is implemented smoothly.
Summary of the invention
The object of the invention is to the deficiency overcoming prior art, the manual type anorectal surgical magnet ring anastomat that a kind of structure is simple, operability is good is provided.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of manual type anorectal surgical magnet ring anastomat, it comprises upper magnetic ring shell, at the described embedded intrinsic upper magnetic ring of upper magnetic ring shell cavity, described upper magnetic ring shell endoporus ring wall is provided with multiple upper magnetic ring shell draw-in groove along same circumferencial direction is evenly spaced, each upper magnetic ring shell draw-in groove pawl of arranging corresponding to clamps and can clamping be connected, each pawl pincers are fixed on claw jointly respectively by pawl lobe, described claw lower end sidewall has gap, a lower magnet ring shell is oppositely arranged on the below of upper magnetic ring shell, described lower magnet ring shell cavity embedded intrinsic can the lower magnet ring of adhesive with upper magnetic ring, described lower magnet ring shell is embedded in handle upper recess by interference fits, a push rod is built-in with in described handle, be provided with an annular cutting knife in described push rod upper end or on the end face hoop of lower magnet ring girdle hole, be provided with an internal ring annular cutting knife, driving shaft is arranged through the interstitial hole of push rod, top and the claw bottom of described driving shaft are fixedly linked, described claw can move up and down under the drive of driving shaft make upper magnetic ring and lower magnet ring involutory be separated, the bottom of described driving shaft is connected with upper and lower driving mechanism driving shaft can be moved up and down under the drive moving up and down driving mechanism, described push rod lower end to be connected with handle tip by the first steady pin and handle can relatively rotate around described first steady pin, described handle is connected with handle and connecting rod one end by the second steady pin and handle capable of being rotates around described second steady pin, the described handle and connecting rod other end is connected with handle by the 4th steady pin and handle and connecting rod can rotate around described 4th steady pin, one end of extension spring is hooked in described handle near the first steady pin position, the described extension spring other end hangs over the position near the 4th steady pin place on described handle and connecting rod, when described handle turns to the inside, the interstitial hole of push rod can compress multiple pawl lobe makes multiple pawl lobe draw in axle center, spin off from upper magnetic ring draw-in groove to make described clamp.
Compared with prior art, a kind of manual type anorectal surgical magnet ring anastomat provided by the invention has following beneficial effect:
1. a kind of manual type anorectal surgical magnet ring anastomat of the present invention, has structure simple, easy to operate, can convenient mucosectomy on hemorrhoid patients, in low level knot, rectum resection anastomosis.
2. a kind of manual type anorectal surgical magnet ring anastomat of the present invention adopts the method for elastic clamping, can ensure that magnet ring is stabilized on support bar in operation, and guarantee simply, rapidly can remove support bar etc. after coincideing again simultaneously.
3. a kind of manual type anorectal surgical magnet ring anastomat of the present invention, adopts click on fashion to ensure the fixing of upper magnetic ring and lower magnet ring, avoids because External force interference causes two magnet rings to be thrown off.In turn ensure that pressure is provided by magnet ring simultaneously, instead of the pressure of artificial pretension, increase the surgical healing time.
4. a kind of manual type anorectal surgical magnet ring anastomat of the present invention is by rotary knob and clutch handle mode and carry out upper and lower magnet ring fastening ring cutting tissue, ensure that upper magnetic ring and lower magnet ring can carry out involutory with correct pose, ensure need tissue precisely to excise thus ensure the accurate anastomosis procedures of operation simultaneously.
5. a kind of manual type anorectal surgical magnet ring anastomat of the present invention promotes the contraction of push rod compression claw by clutching handle mode, can realize anastomat claw and magnet ring sharp separation, high efficient and reliable.
6. a kind of manual type anorectal surgical magnet ring anastomat of the present invention is towards anal-surgery, can meet the requirement of Different hospital condition, can to the potentiality that other operations (as gastrointestinal procedures) are expanded on basis.
Accompanying drawing explanation
Fig. 1 is a kind of manual type anorectal surgical of the present invention magnet ring anastomat overall structure front view;
Fig. 2 is a kind of manual type anorectal surgical of the present invention magnet ring anastomat overall structure left view;
Fig. 3-1 is a kind of manual type anorectal surgical of the present invention magnet ring anastomat detailed construction schematic diagram;
Fig. 3-2 is the H place partial enlarged drawing in Fig. 3-1;
Fig. 3-3 is another concrete embodiment signal of H place in Fig. 3-1;
Fig. 4,5,6,7,8 is the workflow states schematic diagram of a kind of manual type anorectal surgical of the present invention magnet ring anastomat;
Fig. 9 is indwelling body internal magnetic ring schematic diagram after a kind of manual type anorectal surgical of the present invention magnet ring Anastomat hemorrhoidal circumcision;
Figure 10 is a kind of manual type anorectal surgical of the present invention magnet ring anastomat detailed construction sectional view;
Figure 11 is a kind of manual type anorectal surgical of the present invention magnet ring anastomat claw structure schematic diagram;
Figure 12 is magnet ring shell schematic diagram under a kind of manual type anorectal surgical of the present invention magnet ring anastomat;
Figure 13 is that claw operating diagram after handle clutched by a kind of manual type anorectal surgical of the present invention magnet ring anastomat.
Figure 14 is magnet ring shell optional structure schematic diagram under a kind of manual type anorectal surgical of the present invention magnet ring anastomat;
Figure 15 is that under a kind of manual type anorectal surgical of the present invention magnet ring anastomat, magnet ring shell can select schematic diagram.
Detailed description of the invention
Describe the present invention below in conjunction with specific embodiments and the drawings.
A kind of manual type anorectal surgical magnet ring anastomat of the present invention as shown in drawings, it comprises upper magnetic ring shell 101, at the embedded intrinsic upper magnetic ring 102 of described upper magnetic ring shell cavity, described upper magnetic ring shell 101 endoporus ring wall is provided with multiple upper magnetic ring shell draw-in groove 101A along same circumferencial direction is evenly spaced, each upper magnetic ring shell draw-in groove 101A pawl of arranging corresponding to clamps 118B and can clamping be connected, each pawl pincers 118B is fixed on claw 118 respectively by pawl lobe 118A jointly, described claw 118 lower end sidewall has gap 118C, a lower magnet ring shell 120 is oppositely arranged on the below of upper magnetic ring shell 101, described lower magnet ring shell 120 cavity embedded intrinsic can the lower magnet ring 119 of adhesive with upper magnetic ring, described lower magnet ring shell 120 is embedded in handle 105 upper recess by interference fits, on described lower magnet ring shell 120 endoporus ring wall, symmetry is provided with at least two lower magnet ring shell buckle 120A, lower magnet ring shell buckle 120A can upper magnetic ring shell 101 and lower magnet ring shell 120 involutory time be stuck in the upper edge of described upper magnetic ring shell 101, upper magnetic ring shell 101 and lower magnet ring shell 120 is prevented to be separated from.Also together with can being knotted to by stitching thread after lower magnet ring shell 120 is involutory with upper magnetic ring shell 101 or other be mechanically connected as the mode such as screw, rivet prevents from departing from, a push rod 104 is built-in with in described handle 105, be provided with an annular cutting knife 103 in described push rod 104 upper end or on the end face hoop of lower magnet ring girdle hole, be provided with an internal ring annular cutting knife 120C, driving shaft 117 is arranged through the interstitial hole of push rod 104, top and the claw bottom of described driving shaft are fixedly linked, the structure that the top of described driving shaft and claw bottom are fixedly linked is: the top of described driving shaft 117 can make driving shaft 117 top be hooked in the hole of described claw 118 bottom through the hole of claw 118 bottom, or described driving shaft and claw can also be threaded connection, described driving shaft top is fixedly connected with by threaded engagement with claw bottom.Described claw 118 can slide up and down under the drive of driving shaft make upper magnetic ring 102 and lower magnet ring 119 involutory be separated, the bottom of described driving shaft 117 is connected with upper and lower driving mechanism driving shaft 117 can be moved up and down under the drive moving up and down driving mechanism.Described push rod 104 lower end to be connected with handle 109 top by the first steady pin 106 and handle can relatively rotate around described first steady pin 106, described handle 109 to be connected with handle and connecting rod 110 one end by the second steady pin 108 and handle capable of being rotates around described second steady pin 108, and described handle and connecting rod 110 other end to be connected with described handle 105 by the 4th steady pin 116 and handle and connecting rod 110 can rotate around described 4th steady pin 116.One end of extension spring 107 is hooked in described handle 109 near the first steady pin 106 position, the described extension spring other end hangs over the position near the 4th steady pin 116 place on described handle and connecting rod 110, when described handle 109 turns to the inside, the interstitial hole of push rod can compress multiple pawl lobe 118A makes multiple pawl lobe 118A draw in axle center, spins off from upper magnetic ring draw-in groove 101A to make described clamp 118B.
As one embodiment of the present invention, the described driving mechanism that moves up and down is: the bottom of described driving shaft 117 is threaded by the screwed hole of screw thread 111 with screw drive handle 113, knob 114 is fixed with bottom described screw drive handle 113, described screw drive handle 113 upper end to be arranged in the interstitial hole of handle 105 lower end and both matched in clearance, and screw drive handle 113 axially can be relatively rotated along handle 105.Preferably, annular slot 113A is had in the upper end of screw drive handle 113,3rd steady pin 112 from the screwed hole 115 of handle 105 lower end, be screwed into the annular slot of screw drive handle 113 and the 3rd fixed pin shaft 112 can slide in screw drive handle draw-in groove 113A, prevents screw drive handle 113 from deviating from from handle 105 lower end like this.
Described move up and down driving mechanism and also can be: described driving shaft 117 lower end and screw drive handle 113 by welding, the mode such as bonding or interference fit is fixedly connected with.Handle 105 lower end is connected by threaded engagement with screw drive handle 113 upper end.When rotating screw drive handle 113, screw drive handle 113 moves up and down along on handle 105 axis, drives driving shaft 113 to move up and down.
In conjunction with each width figure, the present invention is described in detail more below.
A kind of manual type anorectal surgical of the present invention magnet ring anastomat as shown in Figures 1 and 2, it comprises handle 105, handle 109, screw drive handle 113 and knob 114.Described screw drive handle 113 and knob 114 are fixedly connected on one by the mode such as bonding, welding, interference fit.In use, the hand-held described handle 105 of doctor, by driving described handle 109 and driving the described knob 114 of rotation to carry out operation technique for a kind of manual type anorectal surgical of the present invention magnet ring anastomat.
Fig. 3 is a kind of detailed structure view of manual type anorectal surgical magnet ring anastomat.In conjunction with Figure 10 schematic diagram, a lower magnet ring shell 120 is installed in described handle 105 upper end, and described lower magnet ring shell 120 is embedded in described handle upper end, can not radial motion.The embedded magnet ring once 119 of described lower magnet ring shell 120, makes described lower magnet ring shell 120 be fixed on one with described lower magnet ring 119 by modes such as interference fit.Described lower magnet ring shell 120 is embedded in handle 105 upper recess by interference fits, there is certain frictional force upper magnetic ring shell 102 and handle 105 upper end, prevent described lower magnet ring shell 120 from deviating from from handle 105 upper end easily, when described upper magnetic ring 102 and lower magnet ring 119 involutory, pull handle 105, described lower magnet ring shell 120 can very successfully be deviate from from handle 105 upper end due to the effect being subject to magnetic force.
A built-in push rod 104 in described handle 105, described push rod 104 can slide up and down in described handle 105, described push rod 104 upper end is an annular cutting knife 103, described annular cutting knife 103 can be one with described push rod 104, also can be independently, by various machinery, as welding, mechanical connection is fixed on described push rod 104.There is a claw 118 described push rod 104 upper end, and described claw has multiple pawl lobe 118A, the quantity of described pawl lobe is advisable to 4 with 2.Each described pawl lobe 118A there is a pawl pincers 118B, be stuck in upper magnetic ring shell draw-in groove 101A (as shown in Figure 9) on upper magnetic ring shell 101 by pawl pincers.Described upper magnetic ring shell 101 cavity is embedded is fixed with a upper magnetic ring 102.By described claw 118 sliding up and down on push rod 104, drive described upper magnetic ring 102 and the involutory of described lower magnet ring 119 and be separated.
The lower end of described claw 118 is connected with a driving shaft 117, and the diameter of described driving shaft 117 upper end is comparatively large, is stuck in described claw 118 times stomidiums, ensures that described driving shaft 117 can not from claw 118 slippage.There is screw thread 111 lower end of described driving shaft 117, in screw drive handle screwed hole 113B in screw thread 111 partial insertion screw drive handle 113 on described driving shaft 117 lower end, by rotary knob 114, described driving shaft 117 moves up and down in screw drive handle screwed hole 113B.Annular slot 113A is had in the upper end of screw drive handle 113, two the 3rd steady pins 112 from the screwed hole 115 of handle 105 lower end, be screwed into the annular slot of screw drive handle 113 and the 3rd fixed pin shaft 112 can slide in screw drive handle draw-in groove 113A, thus ensure that described screw drive handle 113 can rotate in described handle 105 lower end, but can not deviate from from described handle 105 lower end.
Fig. 3-3 is depicted as driving shaft and drives another concrete embodiment up and down, described driving shaft 117 lower end and screw drive handle 113 by welding, the mode such as bonding or interference fit is fixedly connected with.Handle 105 lower end is connected by threaded engagement with screw drive handle 113 upper end.When rotating screw drive handle 113, screw drive handle 113 moves up and down along on handle 105 axis, drives driving shaft 113 to move up and down.
Described push rod 104 lower end is rotationally connected by the first steady pin 106 with described handle 109 one end and can relatively rotates around described first steady pin 106, described handle 109 to be connected with handle and connecting rod 110 by the second steady pin 108 and can to rotate around described second steady pin 108, and described handle and connecting rod 110 other end to be connected with described handle 105 by the 4th steady pin 116 and also can to rotate around described 4th steady pin 116.Hang an extension spring 107 near described first steady pin 106 position in described handle 109, the extension spring other end hangs over the position near the 4th steady pin 116 place on described handle and connecting rod 110.When a kind of manual type anorectal surgical of the hand-held the present invention of operator magnet ring anastomat, when pressing described handle 109, described handle 109 promotes described push rod 104 and moves upward, when described push rod 104 moves upward, described lower magnet ring shell 120 upper surface released by described annular cutting knife 103, thus organizing ring cutting to fall, when described push rod 104 continues upwards, the pawl lobe 118A that described push rod 104 promotes on described claw 118 draws in center.
Fig. 4-8 is the workflow states schematic diagram of a kind of manual type anorectal surgical of the present invention magnet ring anastomat, for hemorrhoid operation, before surgery, described claw 118 is connected with upper magnetic ring shell 101, upper magnetic ring 102, be separated with the miscellaneous part of described a kind of manual type anorectal surgical magnet ring anastomat, be placed in body from anal in advance, keep the lower end of described claw 118 outside anus, perform the operation the same with existing pressing anastomat, carry out intestinal tissue purse string suture.Hold the described handle 105 of anastomat of the present invention, rotate described knob 114, make described driving shaft stretch out the upper surface of described lower magnet ring shell 120, gradually near claw 118.Because described claw 118 lower end has gap 118C (as shown in figure 11), therefore, when the hole of claw 118 bottom is aimed on the top of described driving shaft 117, because described gap 118C causes claw 118 bottom elastic deformation to open, described driving shaft 117 top is inserted into claw 118 bottom (as shown in Figure 10).Now the state of described anastomat as shown in Figure 5.Then rotate backward described knob 114, described upper magnetic ring shell 101 and upper magnetic ring 102 under the driving of described driving shaft 117 gradually near lower magnet ring shell 120 and lower magnet ring 119.
When described knob 114 is rotated further, lower magnet ring shell buckle 120A (as shown in figure 12) on described lower magnet ring shell 120 is inserted in described upper magnetic ring shell 101 annular distance, and be finally stuck in described upper magnetic ring shell 101 upper edge (gripping orientation as shown in Figure 9), now intestinal tissue is compressed with described lower magnet ring shell 120 by described upper magnetic ring shell 101 under described upper magnetic ring 102 with the effect of described lower magnet ring 119 magnetic force, and now described anastomat state of the present invention as shown in Figure 6.
As shown in Figure 7, when described upper magnetic ring shell 101 and lower magnet ring 120 blocked by lower magnet ring buckle 101A fixing after, operator clutches described handle 109, now, the intestinal tissues such as hemorrhoid are cut off in described annular cutting knife 103 advance, described pawl lobe 118A draws in axle center simultaneously, and described clamp 118B spins off (as shown in figure 13) from described upper magnetic ring draw-in groove 101A.Now hold described handle 105 to extract toward external, described pawl lobe 118A and upper magnetic ring exact separation, take out together with described handle 105 grade.And described upper magnetic ring shell 101, described upper magnetic ring 102, described lower magnet ring 119 and described lower magnet ring 120 are stranded in anorectal together, until intestinal tissue healing.
Another detailed description of the invention of described lower magnet ring shell 120 as shown in Figure 14, preferred some clampings of giving prominence on described lower magnet ring shell 120 follow closely 120B, upper magnetic ring shell 101 follow closely on the involutory position of 120B have corresponding hole to clamping, guarantees firm grip tissue, makes tissue should not slippage.
As shown in figure 15, described lower magnet ring shell 120 also can be provided with an internal ring annular cutting knife 120C to another detailed description of the invention of described lower magnet ring shell on the end face inwall of lower magnet ring girdle hole, replaces described annular cutting knife 103, cuts and organizes.When described upper magnetic ring 102 sucks with lower magnet ring 119 is involutory, internal ring annular cutting knife 120C cuts away with the hemorrhoidal tissue inside upper magnetic ring shell 101 annular distance being squeezed in lower magnet ring shell 120.
Schematically above be described the present invention and embodiment thereof, this description does not have restricted, and just one of the embodiments of the present invention shown in accompanying drawing, actual structure is also not limited thereto.If those skilled in the art enlightens by it; when not departing from the invention aim; adopt the transmission of other form, driving device and connected mode without the creationary design frame mode similar to this technical scheme and embodiment, all should protection scope of the present invention be belonged to.
Claims (8)
1. a manual type anorectal surgical magnet ring anastomat, it comprises upper magnetic ring shell, at the described embedded intrinsic upper magnetic ring of upper magnetic ring shell cavity, it is characterized in that: on described upper magnetic ring shell endoporus ring wall, be provided with multiple upper magnetic ring shell draw-in groove along same circumferencial direction is evenly spaced, each upper magnetic ring shell draw-in groove pawl of arranging corresponding to clamps and can clamping be connected, each pawl pincers are fixed on claw jointly respectively by pawl lobe, described claw lower end sidewall has gap, a lower magnet ring shell is oppositely arranged on the below of upper magnetic ring shell, described lower magnet ring shell cavity embedded intrinsic can the lower magnet ring of adhesive with upper magnetic ring, described lower magnet ring shell is embedded in handle upper recess by interference fits, a push rod is built-in with in described handle, be provided with an annular cutting knife in described push rod upper end or on the end face hoop of lower magnet ring girdle hole, be provided with an internal ring annular cutting knife, driving shaft is arranged through the interstitial hole of push rod, top and the claw bottom of described driving shaft are fixedly linked, described claw can move up and down under the drive of driving shaft slip make upper magnetic ring and lower magnet ring involutory be separated, the bottom of described driving shaft is connected with upper and lower driving mechanism driving shaft can be moved up and down under the drive moving up and down driving mechanism, described push rod lower end to be connected with handle tip by the first steady pin and handle can relatively rotate around described first steady pin, described handle is connected with handle and connecting rod one end by the second steady pin and handle capable of being rotates around described second steady pin, the described handle and connecting rod other end is connected with handle by the 4th steady pin and handle and connecting rod can rotate around described 4th steady pin, one end of extension spring is hooked in described handle near the first steady pin position, the described extension spring other end hangs over the position near the 4th steady pin place on described handle and connecting rod, when described handle turns to the inside, the interstitial hole of push rod can compress multiple pawl lobe makes multiple pawl lobe draw in axle center, spin off from upper magnetic ring draw-in groove to make described clamp.
2. manual type anorectal surgical magnet ring anastomat according to claim 1, it is characterized in that: symmetrically on described lower magnet ring shell endoporus ring wall be provided with at least two lower magnet ring shell buckles, described lower magnet ring shell buckle can upper magnetic ring shell and lower magnet ring shell involutory time be stuck in the upper edge of described upper magnetic ring shell.
3. manual type anorectal surgical magnet ring anastomat according to claim 1 and 2, is characterized in that: more outstanding clamping nails above described lower magnet ring shell, upper magnetic ring shell is followed closely on involutory position to clamping and had corresponding hole.
4. manual type anorectal surgical magnet ring anastomat according to claim 3, is characterized in that: the structure that the top of described driving shaft and claw bottom are fixedly linked is: the top of described driving shaft can make driving shaft top be hooked in the hole of described claw bottom through the hole of claw bottom.
5. manual type anorectal surgical magnet ring anastomat according to claim 4, is characterized in that: the structure that top and the claw bottom of described driving shaft are fixedly linked is: described driving shaft top is fixedly connected with by threaded engagement with claw bottom.
6. manual type anorectal surgical magnet ring anastomat according to claim 4, it is characterized in that: the described driving mechanism that moves up and down is: the bottom of described driving shaft is threaded by the screwed hole of screw thread with screw drive handle, knob is fixed with bottom described screw drive handle, described screw drive handle upper end to be arranged in the interstitial hole of handle lower end and both matched in clearance, and screw drive handle axially can be relatively rotated along handle.
7. manual type anorectal surgical magnet ring anastomat according to claim 6, it is characterized in that: have annular slot in the upper end of described screw drive handle, the 3rd steady pin from the screwed hole of handle lower end, be screwed into the annular slot of screw drive handle and the 3rd fixed pin shaft can slide in screw drive handle draw-in groove.
8. manual type anorectal surgical magnet ring anastomat according to claim 4, is characterized in that: the described driving mechanism that moves up and down is: described driving shaft lower end is fixedly connected with screw drive handle, and described handle lower end is connected with screw drive handle threaded upper ends.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510382849.4A CN104921772A (en) | 2015-07-02 | 2015-07-02 | Manual type anorectal surgery magnetic ring anastomat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510382849.4A CN104921772A (en) | 2015-07-02 | 2015-07-02 | Manual type anorectal surgery magnetic ring anastomat |
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| CN107874802A (en) * | 2017-12-13 | 2018-04-06 | 山东省医学科学院附属医院 | A kind of magnetic force stapler and its application method |
| CN107928736A (en) * | 2017-12-13 | 2018-04-20 | 山东省医学科学院附属医院 | A kind of upper pushing-type assembly tool of magnetic force stapler |
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| CN108392240A (en) * | 2018-04-25 | 2018-08-14 | 青岛市肿瘤医院 | A kind of rectal neoplasm operation magnet ring stapler |
| CN108392241A (en) * | 2018-04-25 | 2018-08-14 | 青岛思拓新源知识产权服务有限公司 | A kind of magnet ring anastomosis operation instrument |
| CN113171185A (en) * | 2021-04-26 | 2021-07-27 | 吉林大学 | Magnetic force guided minimally invasive detection tracking and position locking device for intestinal lesion markers |
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| CN113171185A (en) * | 2021-04-26 | 2021-07-27 | 吉林大学 | Magnetic force guided minimally invasive detection tracking and position locking device for intestinal lesion markers |
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