CN110638497A - Tissue stitching instrument - Google Patents
Tissue stitching instrument Download PDFInfo
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- CN110638497A CN110638497A CN201910933437.3A CN201910933437A CN110638497A CN 110638497 A CN110638497 A CN 110638497A CN 201910933437 A CN201910933437 A CN 201910933437A CN 110638497 A CN110638497 A CN 110638497A
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- 230000007246 mechanism Effects 0.000 claims abstract description 106
- 238000009958 sewing Methods 0.000 claims abstract description 33
- 238000009966 trimming Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 208000019300 CLIPPERS Diseases 0.000 description 4
- 208000021930 chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
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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
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0467—Instruments for cutting sutures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0409—Instruments for applying suture anchors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
- A61B2017/0464—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors for soft tissue
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rheumatology (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a tissue stitching instrument, which comprises an upper clamp body and a lower clamp body; the upper clamp body and the lower clamp body are hinged, and an upper clamping part and a lower clamping part are respectively arranged at the same end of the hinged part; an upper clamping plate and a lower clamping plate are respectively arranged on the same side of the upper clamping part and the lower clamping part, and an upper wire slot and a lower wire slot are respectively arranged on the upper clamping plate and the lower clamping plate; go up clamping part along the cell extending direction slidable mounting that reaches the standard grade and have the sewing machine head, clamping part has the mechanism of colluding the line along cell extending direction slidable mounting down. The needle and the thread hooking mechanism are matched to suture the tissue fixed between the upper splint and the lower splint. The fixed tissue of centre gripping is passed through in this design, reduces sutural degree of difficulty, and the aircraft nose through sliding fit effectively sews up with colluding the line mechanism to the tissue, realizes sewing up the high efficiency of handling, shortens the operation time, reduces the risk that the patient infects, improves the security of operation.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a tissue stitching instrument.
Background
Tissue suturing, which is a basic operation technique for coaptating or reconstructing the passage of cut or fractured or planned tissue, is a basic condition for ensuring exact hemostasis and good healing, and is one of the most basic operation methods in surgical operations. During a surgical procedure, various tissues are often sutured together. Because the tissue is generally softer and not easy to fix, the suture is inconvenient, the suture treatment time is longer, the blood loss is relatively increased, and the wound is easy to infect; the prolonged operation time also leads to the corresponding increase of the usage amount of the anesthetic, which is not beneficial to the recovery of the patient after the operation.
Disclosure of Invention
The present invention aims to solve the above technical problem at least to some extent. Therefore, the invention provides a convenient and quick tissue stitching instrument.
The technical scheme adopted by the invention for solving the technical problems is as follows: a tissue stitching instrument comprises an upper clamp body and a lower clamp body; the upper clamp body and the lower clamp body are hinged and are respectively provided with an upper clamping part and a lower clamping part; the upper clamping part and the lower clamping part extend outwards from the same side of the upper clamping part and the lower clamping part respectively, the upper clamping plate and the lower clamping plate rotate around the hinged part and can be spliced and attached to clamp and fix the middle tissue, and the upper clamping plate and the lower clamping plate are respectively provided with an upper wire groove and a lower wire groove which can be aligned with each other and used for wiring; the upper clamping part is provided with a sewing machine head above the upper wire groove in a sliding manner, and the lower clamping part is provided with a wire hooking mechanism below the lower wire groove in a sliding manner; the sewing machine head and the thread hooking mechanism are respectively connected with a first sliding driving mechanism and a second sliding driving mechanism which can drive the sewing machine head and the thread hooking mechanism to slide; the suture handpiece comprises a needle aligned with the upper thread groove, and the needle and the thread hooking mechanism cooperate to suture the tissue fixed between the upper splint and the lower splint.
Furthermore, the hinged parts of the upper clamp body and the lower clamp body are provided with a first holding part and a second holding part respectively at one end back to the upper clamping part and the lower clamping part.
Further, the upper clamping part is connected with the first holding part through a first inclined plate; the lower clamping part is connected with the second holding part through a second inclined plate; the first inclined plate and the second inclined plate extend obliquely in opposite directions; the overlapped part of the first inclined plate and the second inclined plate is hinged through a hinge shaft.
Furthermore, the side of the upper clamping part corresponding to the sewing machine head is provided with a first sliding groove parallel to the thread feeding groove, and the sewing machine head is provided with a first guide rail matched with the first sliding groove.
Further, the first sliding driving mechanism comprises a first driving motor and a first screw rod, the first driving motor is connected with the first screw rod to transmit power, and the first screw rod is in spiral transmission connection with the sewing machine head to drive the sewing machine head to slide along the first sliding groove.
Further, a first limiting screw is arranged on the side surface of the upper clamping part at the tail end of the sliding path of the sewing machine head so as to prevent the sewing machine head from sliding out of the first sliding groove.
Furthermore, the side of the lower clamping part corresponding to the thread hooking mechanism is provided with a second sliding groove parallel to the lower sliding groove, and the thread hooking mechanism is provided with a second guide rail matched with the second sliding groove.
Furthermore, the second sliding driving mechanism comprises a second driving motor and a second screw rod, the second driving motor is connected with the second screw rod to transmit power, and the second screw rod is in spiral transmission connection with the thread hooking mechanism to drive the thread hooking mechanism to slide along the second sliding groove.
Furthermore, a first thread roller capable of freely rotating is installed in the sewing machine head, and the needle is connected with a threading driving mechanism for driving the needle to reciprocate up and down; collude the line mechanism and be provided with the through wires hole corresponding to the eedle, collude line mechanism and be provided with the second line roller that colludes the wire loop and can freely rotate corresponding to through wires hole below, collude the line loop and be connected with the drive its around the rotatory line actuating mechanism that colludes of its self center, collude the wire loop and have a breach and breach one of them end and have the line groove of colluding, collude the line loop and surround in second line roller periphery.
Further, still include trimming mechanism, trimming mechanism is including pasting the last blade of establishing at the punch holder upper surface and pasting the bottom knife of establishing at the bottom plate lower surface, it is connected with its first trimming actuating mechanism who cuts off the stylolite that passes the last wire casing to drive it to go up the blade, the bottom knife is connected with its second trimming actuating mechanism who cuts off the stylolite that passes the bottom wire casing of drive.
The invention has the beneficial effects that: the tissue is clamped and fixed through the upper clamping plate and the lower clamping plate, a needle on the machine head penetrates through the upper wire groove and the lower wire groove to be matched with the wire hooking mechanism to suture the tissue, and the quick linear suture of the tissue is realized through the sliding of the machine head and the wire hooking mechanism; the fixed tissue of centre gripping is passed through in this design, reduces sutural degree of difficulty, and the aircraft nose through sliding fit effectively sews up with colluding the line mechanism to the tissue, realizes sewing up the high efficiency of handling, shortens the operation time, reduces the risk that the patient infects, improves the security of operation.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a mounting structure according to one embodiment;
FIG. 2 is an exploded view of an installation according to one embodiment;
FIG. 3 is a schematic structural view of an upper jaw body and a lower jaw body according to one embodiment in an exploded state;
FIG. 4 is a schematic diagram of a handpiece in accordance with one embodiment;
FIG. 5 is a schematic structural view of a thread hooking mechanism according to one embodiment;
FIG. 6 is a schematic diagram of the working principle of a handpiece and thread hooking mechanism according to one embodiment;
FIG. 7 is a schematic structural view illustrating a thread trimming mechanism, an upper clipper body and a lower clipper body in an exploded state according to another embodiment;
FIG. 8 is a schematic view of a connection structure of the thread trimming mechanism, the upper clipper body and the lower clipper body according to another embodiment;
fig. 9 is a schematic structural view of an upper blade according to another embodiment.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Referring to fig. 1 to 6, a tissue stapler of the present invention includes an upper jaw 110 and a lower jaw 120.
The upper caliper body 110 and the lower caliper body 120 are hinged and are respectively provided with an upper clamping portion 112 and a lower clamping portion 122, and the upper clamping portion 112 and the lower clamping portion 122 are correspondingly arranged at the same end of the hinged position. For convenience of holding, the upper forceps body 110 and the lower forceps body 120 are respectively provided with a first holding part 111 and a second holding part 121 at one end of the hinged part, which faces away from the upper holding part 112 and the lower holding part 122, so that the forceps can be used for holding without holding, and the forceps can be used for holding, thereby facilitating the operation, preferably, the upper holding part 112 is connected with the first holding part 111 through a first inclined plate 113; the lower clamping portion 122 is connected with the second holding portion 121 through a second sloping plate 123; the first inclined plate 113 and the second inclined plate 123 extend obliquely in opposite directions, the overlapped part of the first inclined plate 113 and the second inclined plate 123 is hinged through a hinge shaft, as shown in fig. 2, the first inclined plate 113 and the second inclined plate 123 are respectively provided with a first hinge hole 119 and a second hinge hole 129, and the first hinge hole 119 and the second hinge hole 129 are aligned to each other and penetrate through the hinge shaft to complete hinge installation.
The upper clamping part 112 and the lower clamping part 122 are respectively provided with an upper clamping plate 114 and a lower clamping plate 124 which extend outwards from the same side, the upper clamping plate 114 and the lower clamping plate 124 are arranged on the edge of the upper clamping part 112 and the lower clamping part 122 which are close to each other, the upper clamping plate 114 and the lower clamping plate 124 can rotate around a hinge joint to be spliced and attached to clamp and fix the middle tissue, and the upper clamping plate 114 and the lower clamping plate 124 are parallel to the axis of the hinge shaft. That is, the upper clamping portion 112 and the lower clamping portion 122 are closed until the upper clamping plate 114 and the lower clamping plate 124 are attached to each other, and the upper clamping plate 114 and the lower clamping plate 124 are attached to clamp the tissue 180 to be sutured.
The upper clamp plate 114 is provided with an upper wire slot 115, the lower clamp plate 124 is provided with a lower wire slot 125, the upper wire slot 115 and the lower wire slot 125 can be aligned with each other, and the upper wire slot 115 and the lower wire slot 125 respectively penetrate through the upper clamp plate 114 and the lower clamp plate 124 for wiring. The upper and lower wire slots 115 and 125 extend in a direction parallel to the hinge shaft axis. When the upper clamp plate 114 and the lower clamp plate 124 are attached, the upper and lower slots 115 and 125 are aligned to pass the needle lead.
The upper clamping portion 112 is provided with a suture head 130 above the upper thread groove 115 in a sliding manner, the suture head 130 and the thread hooking mechanism 140 are arranged at the same side of the upper clamp plate 114 and the lower clamp plate 124, the suture head 130 is connected with a first sliding driving mechanism capable of driving the suture head 130 to slide, and the sliding direction of the suture head 130 is parallel to the extending direction of the upper thread groove 115. Preferably, the upper clamping portion 112 is provided with a first sliding groove 117 parallel to the upper line groove 115 on the side corresponding to the suture handpiece 130, the suture handpiece 130 is provided with a first guide rail 132 matched with the first sliding groove 117, the suture handpiece 130 is embedded into the first sliding groove 117 through the first guide rail 132 to realize directional sliding, the section of the first guide rail 132 is preferably a trapezoid gradually expanding from inside to outside, so as to prevent the suture handpiece 130 from overturning, and in other embodiments, a dovetail-shaped section can be adopted, and the same purpose can be achieved. In other embodiments, the sliding mechanism of the suturing head 130 can be varied, such as a guide pin and a hole, which cooperate to achieve a sliding motion, similar to the first guide rail 132 and the first sliding slot 117. The first sliding driving mechanism comprises a first driving motor 150 and a first screw rod 151, the first driving motor 150 is connected with the first screw rod 151 to transmit power, the first screw rod 151 is in screw transmission connection with the sewing machine head 130 to drive the sewing machine head to slide along the first sliding groove 117, as shown in fig. 2 and 4, the sewing machine head 130 is provided with a first screw hole 133 matched with the first screw rod 151, the first screw rod 151 is arranged in the first screw hole 133 in a penetrating manner and is in screw (threaded) connection with the first screw rod 151, and the axis of the first screw rod 151 is parallel to the extending direction of the first sliding groove 117. Of course, in other embodiments, the first sliding driving mechanism may also be a telescopic motor or other telescopic driving mechanism. The first sliding groove 117 is formed by extending inward from the outer end of the upper clamping portion 112, in order that the suture handpiece 130 does not fall off the first sliding groove 117, a first limit screw 170 is installed at the end of the sliding path of the suture handpiece 130 on the side of the upper clamping portion 112 to prevent the suture handpiece 130 from sliding out of the first sliding groove 117, as shown in fig. 1 and 2, a first threaded hole 118 is provided at the end of the side of the upper clamping portion 112 where the suture handpiece 130 is installed, a first limit screw 170 adapted to the first threaded hole 118 is installed, and the first limit screw 170 protrudes out of the side surface of the upper clamping portion 112 to prevent the suture handpiece 130 from sliding out of the upper clamping portion 112. Of course, in other embodiments, other stop structures may be provided to limit the travel of the stapler head 130, such as a stop plate secured to the side of the upper clamp 112 to achieve the same effect.
The lower clamping portion 122 is slidably mounted with a thread hooking mechanism 140 below the lower thread groove 125. The thread hooking mechanism 140 is connected to a second sliding driving mechanism capable of driving the thread hooking mechanism to slide, and the sliding direction of the thread hooking mechanism 140 is parallel to the extending direction of the lower chute 125. Preferably, a second sliding groove 127 parallel to the lower sliding groove 125 is disposed on a side surface of the lower clamping portion 122 corresponding to the thread hooking mechanism 140, the thread hooking mechanism 140 is provided with a second guide rail 142 matched with the second sliding groove 127, and the thread hooking mechanism 140 realizes directional sliding through the matching of the second guide rail 142 and the second sliding groove 127. The second rail 142 preferably has a trapezoidal cross section that gradually opens from the inside to the outside, so as to prevent the wire hooking mechanism 140 from overturning, but in other embodiments, a dovetail cross section may be adopted, and the same purpose can be achieved. In other embodiments, the hooking mechanism 140 may slide in a plurality of ways, for example, a guide pillar and a hole cooperate to realize a sliding limiting and guiding function, which is the same as the function of the second guide rail 142 and the second sliding chute 127. Specifically, the second sliding driving mechanism includes a second driving motor 160 and a second lead screw 161, the second driving motor 160 is connected to the second lead screw 161 to transmit power, and the second lead screw 161 is in screw transmission connection with the thread hooking mechanism 140 to drive the thread hooking mechanism to slide along the second sliding groove 127. As shown in fig. 2 and 6, the thread hooking mechanism 140 is provided with a second screw hole matched with the second screw 161, the second screw 161 is inserted into the second screw hole 143 and is connected with the second screw hole in a screw (thread) manner, and the axis of the second screw 161 is parallel to the extending direction of the second sliding chute 127. Of course, in other embodiments, the second sliding driving mechanism may also be a telescopic motor or other telescopic driving mechanism.
The second sliding slot 127 is formed by extending inward from the outer end of the lower clamping portion 122, in order that the thread hooking mechanism 140 does not fall off the second sliding slot 127, a second limit screw 190 is installed at the end of the sliding path of the thread hooking mechanism 140 on the side surface of the lower clamping portion 122 to prevent the thread hooking mechanism 140 from sliding out of the second sliding slot 127, as shown in fig. 1 and 2, a second threaded hole 128 is provided at the end of the side surface of the lower clamping portion 122 where the thread hooking mechanism 140 is installed, a second limit screw 190 adapted to the second threaded hole 128 is installed on the second threaded hole 128, and the second limit screw 190 protrudes out of the side surface of the lower clamping portion 122 to prevent the thread hooking mechanism 140 from sliding out of the lower clamping portion 122. Of course, in other embodiments, other blocking structures may be provided to limit the stroke of the thread hooking mechanism 140, for example, a limiting plate may be fixed on the side of the upper clamping portion 112 to achieve the same effect.
The stapler head 130 includes a needle 131 aligned with the upper thread groove 115, and the needle 131 and the thread hooking mechanism 140 cooperate to suture the tissue held between the upper jaw 114 and the lower jaw 124. The sewing machine head 130, the needle 131 and the thread hooking mechanism 140 are designed by adopting the principle of a sewing machine, the sewing machine belongs to the conventional technology, and the commonly used thread hooking mechanisms are various, such as a rotating shuttle thread hooking mechanism, a rotating shuttle hook thread hooking mechanism, a swinging shuttle thread hooking mechanism, a curved needle thread hooking mechanism, a thread hook thread hooking mechanism, a fork needle thread hooking mechanism and the like. Specifically, the suturing technique adopted in this embodiment is preferably that the exterior of the suturing machine head 130 is a housing, the first guide rail and the first spiral hole are both disposed on the housing, the suturing machine head 130 is internally provided with a first thread roller 134 capable of freely rotating, the first thread roller 134 is wound with a suture thread, the suture thread is threaded through the threading hole of the needle 131, the needle 131 is connected with a threading driving mechanism for driving the needle to reciprocate up and down, the threading driving mechanism can be a telescopic motor, or the motor drives a lead screw, the lead screw is fixedly connected with the needle 131, or other telescopic reciprocating driving mechanisms are all available, and the driving mechanism of the needle 131 belongs to the conventional technology in the field, and is not limited too much here. The thread hooking mechanism 140 is provided with a thread hole 141 corresponding to the needle 131, a thread hooking ring 145 and a second thread roller 144 capable of rotating freely are arranged inside the thread hooking mechanism 140 corresponding to the lower part of the thread hole 141, the second thread roller 144 is wound with a suture thread, the thread hooking ring 145 is connected with a thread hooking driving mechanism for driving the thread hooking driving mechanism to rotate around the center of the thread hooking ring, and the thread hooking driving mechanism is preferably a rotating motor. The hook ring 145 has a notch having a hook groove 1451 at one end thereof, and the hook ring 145 is wound around the second thread roller 144. As shown in FIG. 6, in operation, the needle 131 drives the thread to move downwards to penetrate through the tissue 180 to be sutured and extend into the thread hooking mechanism 140, when the thread hooking mechanism descends to the lowest end, the thread hooking ring 145 rotates anticlockwise, the thread hooking groove 1451 hooks the thread on the needle 131 towards the left, then the needle 131 ascends to reset, the thread hooking ring 145 rotates anticlockwise until the thread hooking groove 1451 rotates to the lowest part, then the thread on the thread hooking groove 1451 is separated and wound with the thread on the second thread roller 144 to form a suture section, and then the thread hooking mechanism 140 and the suture head 130 move synchronously and at the same speed to repeat the above actions to complete the suturing.
When the suturing device works, firstly, the tissue is clamped between the upper clamping plate and the lower clamping plate, the length of the tissue is not necessarily matched with the length of the upper line groove 115 and the lower line groove 125, and only part of the upper line groove 115 and the lower line groove 125 can be occupied, firstly, the suturing machine head 130 and the line hooking mechanism 140 are moved to one end of the tissue, and then the suturing work is started. In addition, in order to prevent the structures of the suture machine head 130, the first driving motor 150, the first screw rod 151, the thread hooking mechanism 140, the second driving motor 160, and the second screw rod 161 from being exposed, a cover (not shown) may be installed on the side surfaces of the upper clamping portion 112 and the lower clamping portion 122.
According to the structure of the above technical solution, it is inconvenient to cut the thread manually after sewing, and for this reason, in another embodiment of the present application, as shown in fig. 7 to 9, a thread cutting mechanism 200 is further provided to achieve automatic thread cutting, where the thread cutting mechanism 200 includes an upper blade 201 attached to the upper surface of the upper clamp plate 114 and a lower blade 202 attached to the lower surface of the lower clamp plate 124, and the inward sides of the upper blade 201 and the lower blade 202 are blades. The upper blade 201 is connected to a first thread cutting driving mechanism for driving the upper blade to cut the suture thread passing through the upper thread groove 115, and the lower blade 202 is connected to a second thread cutting driving mechanism for driving the lower blade to cut the suture thread passing through the lower thread groove 125. Specifically, the upper blade 201 is provided with upper guide blocks 211 at left and right sides of the upper wire casing 115, the upper clamping portion 112 is provided with upper guide holes 210 corresponding to the upper guide blocks 211, the upper guide blocks 211 are provided with upper guide posts 221 inserted into the upper guide holes 210, and a telescopic motor connected with the upper guide posts 221 is provided at a back side of the upper clamping portion 112 to drive the upper blade 201 to move towards the upper clamping portion 112 and cut off a suture thread passing through the upper wire casing 115. The lower blade 202 is provided with lower guide blocks 212 at left and right sides of the lower thread groove 125, the lower clamping portion 122 is provided with lower guide holes 220 corresponding to the lower guide blocks 212, the lower guide blocks 212 are provided with lower guide posts 222 inserted into the lower guide holes 220, and the back side of the lower clamping portion 122 is provided with a telescopic motor connected with the lower guide posts 222 to drive the lower blade 202 to move toward the lower clamping portion 122 and cut off the suture thread passing through the lower thread groove 125. The lower guide block 212 and the upper guide block 211 are respectively located at both sides of the moving path of the stapler head 130 and the thread hooking mechanism 140 to avoid interference with their operations. In other embodiments, a plurality of motors can drive the screw rods to respectively penetrate through the corresponding upper guide holes 210 and the corresponding lower guide holes 220 to be in spiral transmission connection with the upper guide blocks 211 and the lower guide blocks 212, so that the same technical effect can be achieved. When the sewing operation is finished, the upper blade 201 and the lower blade 202 are driven to move towards the upper clamping part 112 and the lower clamping part 122 to cut off the sewing thread, and the whole sewing operation is finished.
The above embodiments are only for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement without departing from the spirit and scope of the present invention should be covered within the technical solutions of the present invention.
Claims (10)
1. A tissue stapler, characterized in that: comprises an upper clamp body (110) and a lower clamp body (120); the upper clamp body (110) and the lower clamp body (120) are hinged and are respectively provided with an upper clamping part (112) and a lower clamping part (122);
the upper clamping part (112) and the lower clamping part (122) are respectively provided with an upper clamping plate (114) and a lower clamping plate (124) at the same side in an outward extending manner, the upper clamping plate (114) and the lower clamping plate (124) can rotate around the hinged position and can be spliced and attached to clamp and fix tissues in the middle, and the upper clamping plate (114) and the lower clamping plate (124) are respectively provided with an upper wire groove (115) and a lower wire groove (125) which can be aligned with each other and used for routing;
the upper clamping part (112) is provided with a sewing machine head (130) above the upper wire groove (115) in a sliding way, and the lower clamping part (122) is provided with a wire hooking mechanism (140) below the lower wire groove (125) in a sliding way; the sewing machine head (130) and the thread hooking mechanism (140) are respectively connected with a first sliding driving mechanism and a second sliding driving mechanism which can drive the sewing machine head and the thread hooking mechanism to slide;
the suture handpiece (130) comprises a needle (131) aligned with the upper thread groove (115), and the needle (131) and the thread hooking mechanism (140) are matched to suture the tissue fixed between the upper splint (114) and the lower splint (124).
2. The tissue stapler of claim 1, wherein: one end of the upper clamp body (110) and one end of the lower clamp body (120) back to the upper clamping part (112) and one end of the lower clamping part (122) at the hinged position are respectively provided with a first holding part (111) and a second holding part (121).
3. The tissue stapler of claim 2, wherein: the upper clamping part (112) is connected with the first holding part (111) through a first inclined plate (113); the lower clamping part (122) is connected with the second holding part (121) through a second inclined plate (123); the first inclined plate (113) and the second inclined plate (123) extend obliquely towards each other; the overlapped part of the first inclined plate (113) and the second inclined plate (123) is hinged through a hinge shaft.
4. The tissue stapler of claim 1, wherein: the side surface of the upper clamping part (112) corresponding to the sewing machine head (130) is provided with a first sliding groove (117) parallel to the upper line groove (115), and the sewing machine head (130) is provided with a first guide rail (132) matched with the first sliding groove (117).
5. The tissue stapler of claim 4, wherein: the first sliding driving mechanism comprises a first driving motor (150) and a first screw rod (151), the first driving motor (150) is connected with the first screw rod (151) to transmit power, and the first screw rod (151) is in spiral transmission connection with the sewing machine head (130) to drive the sewing machine head to slide along a first sliding groove (117).
6. The tissue stapler of claim 5, wherein: the side surface of the upper clamping part (112) is provided with a first limit screw (170) at the tail end of the sliding path of the sewing machine head (130) so as to prevent the sewing machine head (130) from sliding out of the first sliding chute (117).
7. The tissue stapler of claim 1, wherein: the side face, corresponding to the line hooking mechanism (140), of the lower clamping portion (122) is provided with a second sliding groove (127) parallel to the lower line groove (125), and the line hooking mechanism (140) is provided with a second guide rail (142) matched with the second sliding groove (127).
8. The tissue stapler of claim 7, wherein: the second sliding driving mechanism comprises a second driving motor (160) and a second screw rod (161), the second driving motor (160) is connected with the second screw rod (161) to transmit power, and the second screw rod (161) is in spiral transmission connection with the thread hooking mechanism (140) to drive the thread hooking mechanism to slide along the second sliding groove (127).
9. The tissue stapler of claim 1, wherein: a first thread roller (134) capable of freely rotating is installed in the sewing machine head (130), and the needle (131) is connected with a threading driving mechanism for driving the needle to reciprocate up and down; collude line mechanism (140) and be provided with through wires hole (141) corresponding eedle (131), collude line mechanism (140) and be provided with below through wires hole (141) and collude line ring (145) and second line roller (144) that can freely rotate, collude line ring (145) and be connected with the drive its around the rotatory drive mechanism that colludes in its self center, collude line ring (145) have a breach and breach wherein one end has collude line groove (1451), collude line ring (145) around second line roller (144) periphery.
10. The tissue stapler of claim 1, wherein: still include trimming mechanism (200), trimming mechanism (200) are including pasting last blade (201) of establishing at punch holder (114) upper surface and pasting lower blade (202) of establishing at lower plate (124) lower surface, it cuts off the first trimming actuating mechanism who passes the stylolite of last wire casing (115) to go up blade (201) and be connected with its drive, lower blade (202) are connected with its second trimming actuating mechanism who cuts off the stylolite that passes wire casing (125) down of drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933437.3A CN110638497B (en) | 2019-09-29 | 2019-09-29 | Tissue stitching instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933437.3A CN110638497B (en) | 2019-09-29 | 2019-09-29 | Tissue stitching instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274201A (en) * | 2020-10-15 | 2021-01-29 | 苏州贝诺医疗器械有限公司 | Suture auxiliary instrument for laparoscopic surgery |
| CN113081113A (en) * | 2021-04-12 | 2021-07-09 | 上海交通大学医学院附属仁济医院 | Continuous suturing device for dura mater |
| CN113180758A (en) * | 2021-04-30 | 2021-07-30 | 湖州市妇幼保健院 | Endoscope minimal access surgery sewing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150054345A (en) * | 2013-11-12 | 2015-05-20 | 육상수 | suturing device |
| CN104739472A (en) * | 2015-03-13 | 2015-07-01 | 天津万和医疗器械有限公司 | Surgical cutting and suturing instrument provided with clearance control device |
| CN209136725U (en) * | 2017-10-10 | 2019-07-23 | 史惠忠 | A kind of stitching unstrument |
| CN211325268U (en) * | 2019-09-29 | 2020-08-25 | 中南大学湘雅医院 | Tissue stitching instrument |
-
2019
- 2019-09-29 CN CN201910933437.3A patent/CN110638497B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150054345A (en) * | 2013-11-12 | 2015-05-20 | 육상수 | suturing device |
| CN104739472A (en) * | 2015-03-13 | 2015-07-01 | 天津万和医疗器械有限公司 | Surgical cutting and suturing instrument provided with clearance control device |
| CN209136725U (en) * | 2017-10-10 | 2019-07-23 | 史惠忠 | A kind of stitching unstrument |
| CN211325268U (en) * | 2019-09-29 | 2020-08-25 | 中南大学湘雅医院 | Tissue stitching instrument |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112274201A (en) * | 2020-10-15 | 2021-01-29 | 苏州贝诺医疗器械有限公司 | Suture auxiliary instrument for laparoscopic surgery |
| CN112274201B (en) * | 2020-10-15 | 2021-07-23 | 苏州贝诺医疗器械有限公司 | Suture auxiliary instrument for laparoscopic surgery |
| CN113081113A (en) * | 2021-04-12 | 2021-07-09 | 上海交通大学医学院附属仁济医院 | Continuous suturing device for dura mater |
| CN113081113B (en) * | 2021-04-12 | 2022-06-17 | 上海交通大学医学院附属仁济医院 | Continuous suturing device for dura mater |
| CN113180758A (en) * | 2021-04-30 | 2021-07-30 | 湖州市妇幼保健院 | Endoscope minimal access surgery sewing machine |
| CN113180758B (en) * | 2021-04-30 | 2022-06-10 | 湖州市妇幼保健院 | Endoscope minimal access surgery sewing machine |
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| CN110638497B (en) | 2024-05-10 |
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