CN110974330A - Nail anvil seat of folding tubular anastomat placed through oral cavity - Google Patents
Nail anvil seat of folding tubular anastomat placed through oral cavity Download PDFInfo
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- CN110974330A CN110974330A CN201911251699.8A CN201911251699A CN110974330A CN 110974330 A CN110974330 A CN 110974330A CN 201911251699 A CN201911251699 A CN 201911251699A CN 110974330 A CN110974330 A CN 110974330A
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- Prior art keywords
- nail anvil
- nail
- cap body
- anvil cap
- pair
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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
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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
- A61B17/1155—Circular staplers comprising a plurality of staples
Abstract
The invention discloses a folding tubular anastomat nail anvil block which is placed through an oral cavity, belonging to the field of anastomat nail anvil blocks, and comprising a shaft sleeve component, a foldable nail anvil cap body and a continuous rotation component which controls the nail anvil cap body to be automatically closed into a round shape and is vertical to the shaft sleeve component, wherein the shaft sleeve component comprises an upper solid shaft and a lower hollow shaft sleeve which are integrally formed, the outer end of the lower hollow shaft sleeve is provided with a positioning mechanism which is detachably connected with an anastomat, the upper end of the upper solid shaft is provided with a second mounting groove in a chiseling way, the transverse width of the nail anvil block can be reduced by arranging the continuous rotation component, so that the nail anvil block can easily pass through a narrow esophagus, the esophagus of a patient can be effectively protected, a butt-joint anastomat body can be easily unfolded to perform the anastomosis between the esophagus and the small intestine after the nail anvil block is in place, the operation difficulty is reduced, the operation efficiency is improved, the nail forming effect is not easily influenced.
Description
Technical Field
The invention relates to the field of stapler nail anvil bases, in particular to a folding tube-type stapler nail anvil base which is placed through an oral cavity.
Background
The tubular digestive tract anastomat is used for performing anastomosis by using double rows of titanium nails which are arranged in a crossed mode, redundant tissues are cut off from the inner cutting edges of the anastomosis nails by a cutter to form anastomosis openings during anastomosis, the sizes of the apertures are consistent, mucous membranes are in alignment, the fastness of the anastomosis openings is reliable, the hemostasis effect and blood circulation are good, the anastomosis cutting is completed at one time, and the operation is convenient.
However, with the current minimally invasive technique of the gastrointestinal surgery laparoscope, the stapler nail felt seat is difficult to be placed under the laparoscope, and particularly, the stapler nail felt seat needs to be placed at a higher position compared with the cardiac cancer at a higher position. The diameter of a nail anvil seat of the existing anastomat needs to be enough to prevent narrow anastomotic stoma, in the operation process, the nail anvil seat of the anastomat is usually required to be arranged on a PVC conveying pipe which is 90cm long and is fixed with the pipe through a fixing line, then the anastomat is placed in the anastomat from the oral cavity of a patient through an esophagus and is guided to reach an anastomotic end through the conveying pipe, but the nail anvil seat is placed obliquely in the prior art because the esophagus of the patient has three narrow positions and is easy to damage the esophagus of the patient, so that the injury to the patient is reduced by placing the nail anvil seat obliquely, but the nail anvil seat is circular, the diameter of the oblique nail anvil seat cannot be changed, the probability of damage to the esophagus of the patient is larger, and the smaller the better the transverse diameter of.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a folding type tubular anastomat nail anvil seat which is placed through an oral cavity, which can reduce the transverse width of the nail anvil seat by arranging a continuous rotation component, so that the nail anvil seat can easily pass through a narrow esophagus, thereby effectively protecting the esophagus of a patient, and after the nail anvil seat is in place, a butt-joint anastomat body can be easily unfolded to perform anastomosis between the esophagus and a small intestine, thereby reducing the operation difficulty and improving the operation efficiency.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A nail anvil seat of a foldable tubular anastomat put in through an oral cavity comprises a shaft sleeve, a foldable split nail anvil cap body and a continuous rotation assembly controlling the nail anvil cap body to be automatically closed into a round shape and perpendicular to the shaft sleeve, wherein the shaft sleeve comprises an upper solid shaft and a lower hollow shaft sleeve which are integrally formed, the outer end of the lower hollow shaft sleeve is provided with a positioning mechanism detachably connected to the anastomat, the upper end of the upper solid shaft is provided with a second mounting groove in a chiseled mode, the continuous rotation assembly is connected between the second mounting groove and the nail anvil cap body and comprises a split component, an intermediate block and a rotating component which are sequentially connected, the split component controls the nail anvil cap body to be automatically closed to enable the nail anvil cap body to form a round structure, the rotating component controls the nail anvil cap body to rotate to be perpendicular to the shaft sleeve, and a cuttable rope is connected in the continuous rotation assembly, when the nail anvil cap is not cut, the rope body controls the continuous rotating assembly to enable the nail anvil cap body to be always in a state of being unfolded and perpendicular to the shaft sleeve piece, after cutting, the separating and combining assembly and the rotating assembly respectively and automatically control the nail anvil cap body to return to a state of the transverse maximum diameter, the continuous rotating assembly can be arranged, the transverse width of the nail anvil block is reduced, the nail anvil block can be more easily passed through a narrow esophagus, the esophagus of a patient can be effectively protected, the butt-joint anastomat body can be easily unfolded to be inosculated between the esophagus and the small intestine after the nail anvil is in place, the operation difficulty is reduced, the operation efficiency is improved, meanwhile, the folding line just passes through the center line of.
Furthermore, the outer end of the upper solid shaft is provided with a plurality of reducing grooves in a chiseled mode, and the two parts of the nail anvil cap body are correspondingly arranged in the reducing grooves after being unfolded, so that the interval between the two parts of the nail anvil cap body which are unfolded outwards and then rotate to be parallel to the shaft sleeve piece is smaller, and the nail anvil cap body is more favorable for moving in a narrow esophagus.
Furthermore, the positioning mechanism comprises a plurality of through holes drilled at the outer end of the lower hollow shaft sleeve, and the inner ends of the through holes are fixedly connected with elastic sheets used for elastically abutting against the anastomosis end of the anastomat, so that the anvil block and the anastomat can be quickly jointed and separated conveniently.
Furthermore, the nail anvil cap body comprises a pair of auxiliary nail anvil caps, one end, close to the shaft sleeve, of each auxiliary nail anvil cap is provided with a plurality of B-shaped nail grooves which are uniformly distributed, a folding line is arranged at the joint of the pair of auxiliary nail anvil caps and is positioned in the middle between the two adjacent nail forming grooves, and therefore the folding line is not prone to cutting off the complete nail forming grooves, subsequent nail forming operation is facilitated, and the nail forming effect and the closing integrity of the nail forming grooves are effectively guaranteed.
Furthermore, the edges of one ends, close to each other, of the pair of auxiliary nail anvil caps are provided with round corners, so that the front ends of the auxiliary nail anvil caps are not easy to leave tip parts in the process of moving in the esophagus, and the inner wall of the esophagus is not easy to be injured.
Furthermore, the opening and closing component comprises a first mounting groove formed at the side end of the middle block, the inner end of the first mounting groove is fixedly connected with a first rotating shaft, a pair of rotating plate bodies which respectively correspond to the two parts of the nail anvil cap body after being unfolded are movably sleeved at the outer end of the first rotating shaft, the inner end of the first mounting groove is fixedly connected with an elastic abutting sheet for elastically pressing a pair of rotating plate bodies, the elastic abutting piece is arranged at the rear side of the first rotating shaft, the middle part of the side end of the middle block is fixedly connected with the rotation limiting block, a pair of rotating plate bodies are respectively and correspondingly arranged at the two sides of the rotation limiting block, the rotating plate body is kept in an unfolded state through the pulling force of the rope body, the rotating plate body presses the elastic abutting piece at the moment, after the pulling force disappears, the rotating plate bodies can be restored to be attached to the rotation limiting blocks by the aid of elastic force of the elastic abutting pieces, the rotation limiting blocks are used for limiting a pair of rotating plate bodies, and the situation that the position of the rotating plate bodies after being restored deflects to influence the verticality of the follow-up nail anvil cap bodies and the shaft sleeve member is prevented.
Further, it is a pair of the one end that the commentaries on classics board body is close to each other is connected with the locking mechanism, the locking mechanism include with commentaries on classics board body lateral wall fixed connection's afterbody, and the crisscross distribution of a pair of afterbody, the one end fixedly connected with tapered end of commentaries on classics board body is kept away from to the afterbody, the constant head tank that has corresponded with the tapered end is dug on the restriction commentaries on classics piece, the tapered end is close to the one end chisel of afterbody and has a plurality of interval grooves of evenly distributed, the maximum diameter of tapered end is greater than the internal diameter of constant head tank, and a pair of commentaries on classics board body is to the direction removal back that is close to the restriction commentaries.
Further, one of them the commentaries on classics board body comprises the plate body of an integrated into one piece's a lantern ring and shape structure, another the commentaries on classics board body comprises two lantern rings of integrated into one piece and the plate body of shape structure, and the lantern ring cup joints in first pivot outer end, two the rotation board body distributes in a staggered way, is favorable to two rotations between the board body.
Further, the runner assembly is including being fixed in the second pivot between two inner walls of second mounting groove, a pair of rotor plate has been cup jointed to second pivot outer end, and rotor plate and middle piece fixed connection, and is a pair of the inboard middle part of rotor plate is equipped with and is used for turning round the torsional spring to vertical state with the runner assembly from the horizontality, and the torsional spring cup joints in second pivot outer end, utilizes the torsional force resilience of torsional spring, and utilizes the second mounting groove to restrict, effectively guarantees that the runner assembly is located a straight line with the axle sleeve spare after kick-backing.
Furthermore, the rope body comprises branch ropes which are fixed on the outer sides of the pair of rotating plate bodies and pulled to expand towards the direction close to the middle block, the branch ropes pass through the middle block and converge into a strand from the rear ends of the branch ropes to extend outwards, and the nail anvil cap body is conveniently kept in an expanded state perpendicular to the nail anvil cap body by the rope body.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
one, this scheme can realize linking the commentaries on classics subassembly through setting up, reduces the transverse width of nail anvil block, makes it change through constrictive esophagus to effectively protect patient's esophagus, can easily expand the butt joint anastomat body after targetting in place and carry out the identical between esophagus and intestines, reduce the operation degree of difficulty, improve operation efficiency, the folding line is just in time through a pair of B type one-tenth nail groove central line simultaneously, is difficult for influencing into the nail effect.
And the outer end of the upper solid shaft is provided with a plurality of reducing grooves, and the two parts of the nail anvil cap body are correspondingly arranged in the reducing grooves after being unfolded, so that the interval between the two parts of the nail anvil cap body which are unfolded outwards and then rotate to be parallel to the shaft sleeve piece is smaller, and the nail anvil cap body is more favorable for moving in a narrow esophagus.
And the positioning mechanism comprises a plurality of through holes cut at the outer end of the lower hollow shaft sleeve, and the inner ends of the through holes are fixedly connected with elastic sheets used for elastically abutting against the anastomosis end of the anastomat, so that the anvil block and the anastomat can be quickly jointed and separated conveniently.
Fourthly, nail anvil cap body includes a pair of vice nail anvil cap, and the one end that vice nail anvil cap is close to the axle external member is dug and is had a plurality of B of evenly distributed and form the nail groove, and a pair of vice nail anvil cap laminating department is equipped with the folding line, and the folding line is located middle part position between two adjacent one-tenth nail grooves, makes the folding line be difficult for cutting the complete one-tenth nail groove open to be convenient for subsequent one-tenth nail operation, effectively guarantee one-tenth nail effect and the closed integrality in one-tenth nail groove.
And the edges of one ends, close to each other, of the pair of auxiliary nail anvil caps are provided with round corners, so that the front ends of the auxiliary nail anvil caps are not easy to leave tip parts in the process of moving in the esophagus, and the inner wall of the esophagus is not easy to be injured.
Sixthly, the separating and combining component comprises a first mounting groove formed at the side end of the middle block, the inner end of the first mounting groove is fixedly connected with a first rotating shaft, the outer end of the first rotating shaft is movably sleeved with a pair of rotating plate bodies respectively corresponding to the two parts of the unfolded nail anvil cap body, the inner end of the first mounting groove is fixedly connected with an elastic abutting piece used for elastically pressing the pair of rotating plate bodies, the elastic abutting piece is arranged at the rear side of the first rotating shaft, the middle part of the side end of the middle block is fixedly connected with the rotation limiting block, the pair of rotating plate bodies are respectively and correspondingly arranged at the two sides of the rotation limiting block, the rotating plate body is kept in an unfolded state through the pulling force of the rope body, the rotating plate body presses the elastic abutting piece at the moment, after the pulling force disappears, the rotating plate bodies can be restored to be attached to the rotation limiting blocks by the aid of elastic force of the elastic abutting pieces, the rotation limiting blocks are used for limiting a pair of rotating plate bodies, and the situation that the position of the rotating plate bodies after being restored deflects to influence the verticality of the follow-up nail anvil cap bodies and the shaft sleeve member is prevented.
Seventhly, the one end that a pair of commentaries on classics board body is close to each other is connected with the locking mechanism, the locking mechanism includes the afterbody with commentaries on classics board body lateral wall fixed connection, and the crisscross distribution of a pair of afterbody, the one end fixedly connected with tapered end of commentaries on classics board body is kept away from to the afterbody, the constant head tank that has corresponding with the tapered end is dug to the limit commentaries on classics piece, the tapered end is close to the one end chisel of afterbody and has a plurality of spacing grooves of evenly distributed, the maximum diameter of tapered end is greater than the internal diameter of constant head tank, a pair of commentaries on classics board body is to the direction removal back that is close.
Eighthly, one of them changes the board body and comprises the plate body of an integrated into one piece's a lantern ring and shape structure, and another changes the board body and comprises two lantern rings of integrated into one piece and shape structure's plate body, and the lantern ring cup joints in first pivot outer end, and two change the crisscross distribution of board body, are favorable to two to change the rotation between the board body.
Ninthly, the runner assembly is including being fixed in the second pivot between two inner walls of second mounting groove, a pair of rotor plate has been cup jointed to second pivot outer end, and rotor plate and midblock fixed connection, a pair of rotor plate inboard middle part is equipped with and is used for revolving the torsional spring to vertical state with the runner assembly from the horizontality, and the torsional spring cup joints in second pivot outer end, utilize the torsional force of torsional spring to kick-back, and utilize the second mounting groove to restrict, effectively guarantee that the back runner assembly that kick-backs is located a straight line with the axle sleeve spare.
The rope body comprises branch ropes which are fixed on the outer sides of the pair of rotating plate bodies and pulled to expand towards the direction close to the middle block, the pair of branch ropes pass through the middle block and converge into a strand from the rear ends of the branch ropes to extend outwards, and the nail anvil cap body is conveniently kept in an expanded state and is perpendicular to the nail anvil cap body by the rope body.
Drawings
FIG. 1 is a perspective view of the structure of the present invention in an upright position;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a perspective view of the structure of the nail anvil cap body of the present invention with the rotating assembly perpendicular to the shaft sleeve and the nail anvil cap body not deployed;
FIG. 4 is a schematic structural view of the anvil cap body of the present invention;
FIG. 5 is a perspective view of the continuous rotation assembly of the present invention perpendicular to the shaft sleeve and with the anvil cap body not deployed;
FIG. 6 is a perspective view of the back structure of the nail anvil cap body when the continuous rotation assembly of the present invention is perpendicular to the shaft sleeve member and the nail anvil cap body is unfolded and folded;
FIG. 7 is a schematic view of the structure at B in FIG. 6;
FIG. 8 is a perspective view of the locking mechanism of the present invention;
FIG. 9 is a perspective view of the structure at the rotating plate body of the present invention;
FIG. 10 is a perspective view of the side structure of the anvil cap body when the continuous rotation assembly of the present invention is perpendicular to the shaft sleeve and the anvil cap body is unfolded and folded.
The reference numbers in the figures illustrate:
the nail anvil comprises a shaft set 1, an upper solid shaft 11, a reducing groove 111, a second mounting groove 112, a lower hollow shaft sleeve 12, a through hole 121, a spring 122, an anvil cap body 2, an anvil cap 21, a nail forming groove 22, a folding line 23, a middle block 3, a split-combination component 31, a first mounting groove 311, a rotation limiting block 312, a first rotating shaft 313, a rotating plate body 314, a lantern ring 314a, a plate body 314b, an elastic resisting sheet 315, a 316 locking mechanism, a locking head 3161, a tail 3162, a spacing groove 3163, a rotating component 32, a rotating plate 321, a second rotating shaft 322, a torsion spring 323, a rope body 4 and a rope 41.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-10, a nail anvil seat of a foldable tubular anastomat placed through a mouth cavity comprises a shaft sleeve member 1, a nail anvil cap body 2 capable of being folded and separated, and a continuous rotation component for controlling the nail anvil cap body 2 to be automatically closed into a round shape and perpendicular to the shaft sleeve member 1, wherein the shaft sleeve member 1 comprises an upper solid shaft 11 and a lower hollow shaft sleeve 12 which are integrally formed, a positioning mechanism detachably connected to the anastomat is arranged at the outer end of the lower hollow shaft sleeve 12, a second mounting groove 112 is formed in the upper end of the upper solid shaft 11, the continuous rotation component is connected between the second mounting groove 112 and the nail anvil cap body 2, the continuous rotation component comprises a separation and separation component 31, a middle block 3 and a rotation component 32 which are sequentially connected, the separation and separation component 31 controls the nail anvil cap body 2 to be automatically closed so that the nail anvil cap body 2 forms a round structure, the rotation component 32 controls the nail anvil, the rope body 4 capable of being sheared is connected in the linkage assembly, when the rope body 4 is not sheared, the linkage assembly is controlled by the rope body 4 to enable the nail anvil cap body 2 to be always in a state of being unfolded and perpendicular to the shaft sleeve member 1, and after the rope body is sheared, the separation and combination assembly 31 and the rotating assembly 32 respectively and automatically control the nail anvil cap body 2 to return to a horizontal maximum diameter state.
Referring to fig. 1, a plurality of reducing grooves 111 are cut at the outer end of the upper solid shaft 11, two parts of the nail anvil cap body 2 are correspondingly arranged in the reducing grooves 111 after being unfolded, so that the interval between the two parts of the nail anvil cap body 2 which are unfolded outwards and then rotate to be parallel to the shaft sleeve member 1 is smaller, and the nail anvil cap is more favorable for moving in a narrow esophagus.
Referring to fig. 3-4, the anvil cap body 2 includes a pair of secondary anvil caps 21, one end of the secondary anvil cap 21 near the shaft set 1 is cut with a plurality of B-shaped staple slots 22 which are uniformly distributed, the B-shaped staple slots 22 are provided with a plurality of circles, and adjacent circles are distributed in a staggered manner, so that the connection is firmer, a folding line 23 is provided at the joint of the pair of secondary anvil caps 21, the folding line 23 is located at the middle position between two adjacent staple forming slots 22, namely the folding line 23 just passes through the middle of the B-shaped staple forming slot 22, and a hole is formed between two legs of the adjacent B-shaped staple forming slot 22, so that the folding line 23 is not easy to cut off the complete staple forming slot 22, thereby facilitating the subsequent staple forming operation, effectively ensuring the staple forming effect and the closure integrity of the staple forming slot 22, because the anvil seat of the stapler is very precise, the folded and unfolded base cannot influence the staple forming effect, therefore the folding line 23 of the anvil seat just passes through the center line of the, the nail forming effect is not influenced, the safety is ensured, the edge of one end, close to each other, of the pair of auxiliary nail anvil caps 21 is provided with a round angle, so that the front end of the auxiliary nail anvil caps 21 in the process of moving in the esophagus is not easy to leave a tip part, and the inner wall of the esophagus is not easy to be injured.
Referring to fig. 5-8, the opening and closing assembly 31 includes a first mounting groove 311 cut on the side end of the middle block 3, the inner end of the first mounting groove 311 is fixedly connected with a first rotating shaft 313, the outer end of the first rotating shaft 313 is movably sleeved with a pair of rotating plate bodies 314 respectively corresponding to the two unfolded parts of the anvil cap body 2, the inner end of the first mounting groove 311 is fixedly connected with an elastic abutting piece 315 for elastically pressing the pair of rotating plate bodies 314, the elastic abutting piece 315 is disposed at the rear side of the first rotating shaft 313, the middle part of the side end of the middle block 3 is fixedly connected with a limited rotating block 312, the pair of rotating plate bodies 314 are respectively and correspondingly disposed at the two sides of the limited rotating block 312, the rotating plate bodies 314 are kept in the unfolded state by the pulling force of the rope 4, at this time, the rotating plate bodies 314 abut against the elastic abutting piece 315, after the pulling force disappears, the rotating block 312 can restore the rotating plate bodies 314 to be attached to the limited rotating plate bodies 314, the return position of the rotating plate body 314 is prevented from deflecting to influence the perpendicularity of the subsequent anvil cap body 2 and the shaft sleeve 1.
One end of the pair of rotating plate bodies 314 close to each other is connected with a locking mechanism 316, the locking mechanism 316 comprises a tail portion 3162 fixedly connected with the side wall of the rotating plate body 314, the pair of tail portions 3162 are distributed in a staggered manner, one end of the tail portion 3162 far away from the rotating plate body 314 is fixedly connected with a locking head 3161, a positioning groove corresponding to the locking head 3161 is formed in the rotation limiting block 312 in a chiseled manner, a plurality of spaced grooves 3163 are uniformly distributed in one end of the locking head 3161 close to the tail portion 3162, the maximum diameter of the locking head 3161 is larger than the inner diameter of the positioning groove, and after the pair of rotating plate bodies 314 move towards the direction close to the rotation limiting block 312, the locking mechanism 316 is clamped into the positioning groove for locking, so that the anvil cap body.
Referring to fig. 9, one of the rotating plate bodies 314 is composed of a collar 314a and a plate 314b with a T-shaped structure, and the other rotating plate body 314 is composed of two collars 314a and a plate 314b with a U-shaped structure, which are integrally formed, the collar 314a is sleeved on the outer end of the first rotating shaft 313, and the two rotating plate bodies 314 are distributed in a staggered manner, which is beneficial for the rotation between the two rotating plate bodies 314.
Referring to fig. 2, the rotating assembly 32 includes a second rotating shaft 322 fixed between two inner walls of the second mounting groove 112, a pair of rotating plates 321 is sleeved at an outer end of the second rotating shaft 322, and the rotating plates 321 are fixedly connected to the middle block 3, a torsion spring 323 for rotating the rotating assembly 32 from a horizontal state to a vertical state is disposed in the middle of the inner sides of the pair of rotating plates 321, and the torsion spring 323 is sleeved at an outer end of the second rotating shaft 322, and rebounds by using the torsion force of the torsion spring 323 and is limited by the second mounting groove 112, thereby effectively ensuring that the rotating assembly 32 and the axle set 1 are located on the same straight line after rebounding.
Referring to fig. 3, the rope 4 includes a branch rope 41 fixed outside the pair of rotating plate bodies 314 and pulling the same to expand toward the direction close to the middle block 3, and the pair of branch ropes 41 pass through the middle block 3 and converge into a strand from the rear end thereof to extend outward, so that the anvil cap body 2 is maintained in an expanded state perpendicular to the anvil cap body 2 by the rope 4.
The shaft sleeve member 1 is connected with the anastomat through a positioning mechanism, the specific mode is that the anastomosis end of the anastomat is inserted into the lower hollow shaft sleeve 12, the elasticity of a spring plate 122 is utilized to clamp the anastomosis end to enable the anastomosis end not to be separated easily, a rope body 4 is utilized to pull a separation and combination assembly 31 to separate the nail anvil cap body 2 towards two sides so as to reduce the whole width of the nail anvil cap body 2, meanwhile, the nail anvil cap body 2 can be rotated to be parallel to the shaft sleeve member 1 through a rotating assembly 32 and is fixed through the rope body 4, so that the whole minimum width of the nail anvil cap body 2 is perpendicular to the shaft sleeve member 1, please refer to figure 10, namely, the cross section of the nail anvil cap body 2 passing through an esophagus is reduced, so that the nail anvil cap body 2 can move in the esophagus, the distance between the nail anvil cap body 2 and the inner wall of the esophagus is increased, thereby reducing the injury of the nail anvil cap body 2, when the nail anvil cap body 2 needs to be unfolded, only the rope body 4 needs to be cut off, after the cutting, the elastic abutting piece 315 in the split-combination component 31 abuts against the rotating plate body 314 to enable the rotating plate body to be attached to the rotation limiting block 312, at the moment, the pair of auxiliary nail anvil caps 21 are attached to be circular, the torsion spring 323 in the rotating component 32 enables the rotating component 32 to rotate to be vertical, namely, the nail anvil cap body 2 rotates to be vertical to the shaft sleeve component 1, so that the nail anvil cap body 2 is matched with the anastomat to enable intestinal tracts to be anastomosed, one end, far away from the middle block 3, of the shaft sleeve component 1 and the rope body 4 is connected with a PVC conveying conduit during actual use, the PVC conveying conduit moves in the esophagus together, the PVC conveying conduit is detached before being connected with the anastomotic end of the anastomat after being in.
Can realize linking the commentaries on classics subassembly through setting up, this nail seat initial state is nail anvil cap body 2 in fold condition, axle sleeve spare 1 is in the vertical state with linking the commentaries on classics subassembly, greatly reduced inserts the transverse width when passing through the esophagus through the oral cavity, it changes through constrictive esophagus to make it, thereby effectively protect patient's esophagus, can easily expand the butt joint anastomat body after targetting in place and carry out the identical between esophagus and intestines, reduce the operation degree of difficulty, improve operation efficiency, the folding line is just in time become nail groove central line through a pair of B type, the nail effect is become to difficult influence.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a foldable cast anastomat nail anvil seat of putting into through oral cavity, includes axle external member (1), collapsible deciliter nail anvil cap body (2) and control nail anvil cap body (2) automatic closure become circular and with axle external member (1) vertically even commentaries on classics subassembly, its characterized in that: the utility model discloses a nail anvil cap, including solid axle (11) in integrated into one piece's upper portion and the hollow axle sleeve (12) in lower part, the outer end of the hollow axle sleeve (12) in lower part is equipped with can dismantle the positioning mechanism who connects in the anastomat, the upper end of the solid axle in upper portion (11) is opened and is chiseled there is second mounting groove (112), it connects between second mounting groove (112) and nail anvil cap body (2) to link the subassembly, link the subassembly including deciliter subassembly (31), intermediate block (3) and runner assembly (32) that connect gradually, deciliter subassembly (31) control nail anvil cap body (2) self-closing makes nail anvil cap body (2) form circular structure, runner assembly (32) control nail anvil cap body (2) rotation to perpendicular with axle external member (1), link the subassembly in-connection that the commentaries on classics and be connected with rope body (4) that can cut, when not cutting, rope body (4) control link the subassembly and make cap body (2) be in all the time and expand and with axle external And in a vertical state, after the nail anvil cap is cut off, the split-combination component (31) and the rotating component (32) respectively and automatically control the nail anvil cap body (2) to return to a transverse maximum diameter state.
2. The transorally implanted collapsible tube-type stapler anvil of claim 1, wherein: the outer end of the upper solid shaft (11) is provided with a plurality of reducing grooves (111), and the two parts of the anvil cap body (2) are correspondingly arranged in the reducing grooves (111) after being unfolded.
3. The transorally implanted collapsible tube-type stapler anvil of claim 1, wherein: the positioning mechanism comprises a plurality of through holes (121) formed in the outer end of the lower hollow shaft sleeve (12), and the inner ends of the through holes (121) are fixedly connected with elastic sheets (122) used for elastically abutting against the anastomosis end of the anastomat.
4. The transorally implanted collapsible tube-type stapler anvil of claim 1, wherein: the nail anvil cap body (2) comprises a pair of auxiliary nail anvil caps (21), one end, close to the shaft sleeve member (1), of each auxiliary nail anvil cap (21) is provided with a plurality of B-shaped nail grooves (22) which are uniformly distributed in a chiseled mode, a folding line (23) is arranged at the joint of the auxiliary nail anvil caps (21), and the folding line (23) is located in the middle position between every two adjacent nail forming grooves (22).
5. The transorally implanted collapsible tube-type stapler anvil of claim 4, wherein: the edges of one ends of the pair of auxiliary nail anvil caps (21) close to each other are provided with round corners.
6. The transorally implanted collapsible tube-type stapler anvil of claim 1, wherein: divide and shut subassembly (31) including cutting first mounting groove (311) at middle piece (3) side, first mounting groove (311) inner fixedly connected with first pivot (313), a pair of commentaries on classics board body (314) that correspond with nail anvil cap body (2) two parts back deployment respectively are cup jointed in the activity of first pivot (313) outer end, the elastic support piece (315) that first mounting groove (311) inner fixedly connected with was used for elasticity internal pressure to a pair of commentaries on classics board body (314), and the rear side of first pivot (313) is arranged in to elastic support piece (315), the limited commentaries on classics piece (312) of side middle part fixed connection of middle piece (3), it is a pair of commentaries on classics board body (314) correspond respectively and set up in limited commentaries on classics piece (312) both sides.
7. The transorally implanted collapsible tube-type stapler anvil of claim 6, wherein: one end that a pair of commentaries on classics board body (314) are close to each other is connected with locking mechanism (316), locking mechanism (316) include with commentaries on classics board body (314) lateral wall fixed connection's afterbody (3162), and a pair of afterbody (3162) staggered distribution, one end fixedly connected with tapered end (3161) of commentaries on classics board body (314) are kept away from to afterbody (3162), it has the constant head tank that corresponds with tapered end (3161) to open the chisel on limit commentaries on classics piece (312), a plurality of interval grooves (3163) that evenly distributed are opened the chisel to tapered end (3161) one end that is close to afterbody (3162), the maximum diameter of tapered end (3161) is greater than the internal diameter of constant head tank.
8. The transorally implanted collapsible tube-type stapler anvil of claim 6, wherein: one of the rotating plate bodies (314) is composed of an integrally formed lantern ring (314 a) and a T-shaped plate body (314 b), the other rotating plate body (314) is composed of two integrally formed lantern rings (314 a) and a U-shaped plate body (314 b), the lantern rings (314 a) are sleeved at the outer end of the first rotating shaft (313), and the two rotating plate bodies (314) are distributed in a staggered mode.
9. The transorally implanted collapsible tube-type stapler anvil of claim 1, wherein: the rotating assembly (32) comprises a second rotating shaft (322) fixed between two inner walls of the second mounting groove (112), a pair of rotating plates (321) is sleeved at the outer end of the second rotating shaft (322), the rotating plates (321) are fixedly connected with the middle block (3), a torsion spring (323) used for enabling the rotating assembly (32) to rotate to a vertical state from a horizontal state is arranged in the middle of the inner side of each rotating plate (321), and the torsion spring (323) is sleeved at the outer end of the second rotating shaft (322).
10. The transorally implanted collapsible tube-type stapler anvil of claim 6, wherein: the rope body (4) comprises branch ropes (41) which are fixed on the outer sides of a pair of rotating plate bodies (314) and pulled to be unfolded towards the direction close to the middle block (3), and the branch ropes (41) penetrate through the middle block (3) and converge into a strand from the rear end to extend outwards.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911251699.8A CN110974330B (en) | 2019-12-09 | 2019-12-09 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
| CN202011154267.8A CN112089465B (en) | 2019-12-09 | 2019-12-09 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911251699.8A CN110974330B (en) | 2019-12-09 | 2019-12-09 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011154267.8A Division CN112089465B (en) | 2019-12-09 | 2019-12-09 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110974330A true CN110974330A (en) | 2020-04-10 |
| CN110974330B CN110974330B (en) | 2020-10-30 |
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| CN202011154267.8A Active CN112089465B (en) | 2019-12-09 | 2019-12-09 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
| CN201911251699.8A Active CN110974330B (en) | 2019-12-09 | 2019-12-09 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011154267.8A Active CN112089465B (en) | 2019-12-09 | 2019-12-09 | Nail anvil seat of folding tubular anastomat placed through oral cavity |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112089465B (en) | 2022-01-04 |
| CN110974330B (en) | 2020-10-30 |
| CN112089465A (en) | 2020-12-18 |
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