CN117100347A - wound closure device - Google Patents
wound closure device Download PDFInfo
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- CN117100347A CN117100347A CN202311377957.3A CN202311377957A CN117100347A CN 117100347 A CN117100347 A CN 117100347A CN 202311377957 A CN202311377957 A CN 202311377957A CN 117100347 A CN117100347 A CN 117100347A
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- stop
- energy storage
- wound
- winding
- piece
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- 208000027418 Wounds and injury Diseases 0.000 claims abstract description 114
- 206010052428 Wound Diseases 0.000 claims abstract description 113
- 238000004146 energy storage Methods 0.000 claims abstract description 91
- 238000004804 winding Methods 0.000 claims abstract description 90
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- 230000029663 wound healing Effects 0.000 claims abstract description 5
- 230000000670 limiting effect Effects 0.000 claims description 51
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000750 progressive effect Effects 0.000 description 4
- 241000463219 Epitheca Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000035876 healing Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 239000003356 suture material Substances 0.000 description 3
- 230000001684 chronic effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000037368 penetrate the skin Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000005491 wire drawing Methods 0.000 description 2
- 206010056340 Diabetic ulcer Diseases 0.000 description 1
- 208000004044 Hypesthesia Diseases 0.000 description 1
- 206010062575 Muscle contracture Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010072170 Skin wound Diseases 0.000 description 1
- 206010052779 Transplant rejections Diseases 0.000 description 1
- 208000006111 contracture Diseases 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 208000034783 hypoesthesia Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 230000037311 normal skin Effects 0.000 description 1
- 231100000862 numbness Toxicity 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/02—Devices for expanding tissue, e.g. skin tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/08—Accessories or related features not otherwise provided for
- A61B2090/0807—Indication means
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Pathology (AREA)
- Dermatology (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
Abstract
The invention relates to the technical field of medical equipment, and discloses a wound closure device. The winding piece can selectively compress the reset elastic piece, so that an operator can conveniently hold the winding piece to rotate; the winding shaft is pressed down, the reset elastic piece is compressed, the energy storage shaft is in transmission connection with the first positioning part, an operator rotates the winding piece to wind the stay wire to adjust the tension, the edge of the traction wound is closed inwards, and the energy storage shaft is connected to rotate; the reset elastic piece is released and reset, the energy storage elastic piece is restored to deform, the energy storage shaft is reversely rotated and is in transmission connection with the second positioning part, so that the winding piece continuously rotates to take up, more durable closing tension is provided for a wound, the adjustment times are reduced, wound healing is facilitated, and the area range suitable for the wound is wide.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a wound closure device.
Background
Surgical operations such as tumor excision or fasciotomy can cause large-area skin wounds, or chronic wounds such as diabetic ulcers and the like can not normally heal spontaneously, medical techniques such as closure by skin grafting and flap closure which promote closure of large-area skin defects and chronic wounds have been developed at present, both methods cannot achieve optimal cosmetic effects and the quality of skin coverage is low; it can also lead to donor site pain, new lesions, complications associated with incomplete graft rejection.
There is also a technique for achieving gradual or progressive closure of a wound using tissue dilation that may require threading sutures to the wound edges and drawing the sutures together in a fashion similar to tying laces. In addition, the wound edges can be secured with sterile paper and gradually pulled up with tape. The technique has the advantages of no need of additionally obtaining the graft sheet from the donor part, capability of keeping limb activity, reaching satisfactory beautifying effect, and the like, and can better protect skin and realize normal skin sense.
However, there are a number of disadvantages associated with the current devices for achieving progressive closure of wounds. At present, the device needs to use static or elastic surgical suture materials and the surgical suture materials must be adjusted repeatedly so as to pull the wound edges together; but even with constant readjustment, it is difficult to keep the wound edge under constant dynamic tension over time. At present, relatively inelastic surgical suture materials such as sutures and medical tapes are used in the technology, so that the progression of the wound edge is better controlled, and therefore, in order to obtain necessary closing force during periodical adjustment, the materials can apply huge pulling force to the wound edge, and the excessive pulling force has the problems of skin incising or necrosis caused by overlarge stress of tissues.
Disclosure of Invention
The invention aims to provide a wound closure device, which can be conveniently adjusted by operators according to actual demands and provides different closure pulling forces for wound closure; within the bearable limit of the wound edge, the wound closure device can provide longer closure tension for wound closure, reduce the adjustment times and be beneficial to wound healing.
To achieve the purpose, the invention adopts the following technical scheme:
a wound closure device comprising:
the wound healing device comprises a shell, a wound protecting device and a protective cover, wherein the shell is detachably arranged on the skin, is arranged at a preset distance from a wound and is provided with a mounting groove;
one end of the energy storage shaft is provided with a first transmission part;
the energy storage elastic piece is sleeved on the energy storage shaft, one end of the energy storage elastic piece is fixedly connected with the energy storage shaft, and the other end of the energy storage elastic piece is fixedly connected with the shell;
one end of the reset elastic piece is connected or abutted with the bottom of the mounting groove;
the winding piece is rotatably arranged relative to the shell and is in abutting connection or connection with the other end of the reset elastic piece; the winding piece comprises a winding shaft, a first positioning part and a second positioning part, and the first positioning part and the second positioning part are arranged at intervals along the axial direction of the winding shaft;
the wire coiling piece is configured to selectively compress the reset elastic piece, when the reset elastic piece is in a compressed state, the first transmission part is in transmission connection with the first positioning part, and the wire coiling piece can rotate along a first direction and drive the energy storage elastic piece to deform and store energy; when the reset elastic piece is in a release state, the first transmission part is in transmission connection with the second positioning part, and the energy storage elastic piece can recover deformation and drive the winding piece to continuously rotate along the first direction;
and one end of the stay wire is connected with the winding shaft, the other end of the stay wire is fixed around the wound, and when the winding piece rotates along the first direction, the stay wire can pull the edge of the wound to be closed into the wound.
As a preferable technical scheme of the wound closure device, the first positioning part and the second positioning part are bevel gears with opposite transmission directions respectively, and the first transmission part is arranged as a bevel gear and can be alternatively meshed with the first positioning part and the second positioning part for rotation.
As a preferred solution of the wound closure device, the wound closure device further comprises a stop assembly, the stop assembly comprises a stop member, the stop member is provided with a stop portion and an operation portion, the stop portion is connected with the operation portion, the operation portion is movably arranged through the shell, and the stop portion is configured to be selectively spliced with the energy storage shaft.
As a preferred embodiment of the wound closure device, the stop assembly includes a stop spring and a positioning member; the stop elastic piece is sleeved on the operation part, the stop elastic piece is provided with a limiting part, the limiting part is convexly arranged around one end, close to the stop part, of the operation part, one end of the stop elastic piece is abutted against the shell, and the other end of the stop elastic piece is abutted against the limiting part;
the operation part is provided with a limiting through hole, and when the stop elastic piece is in a release state, the stop part is spliced with the energy storage shaft; when the stop elastic piece is in a compressed state, the limiting through hole is arranged outside the shell, and the positioning piece can be selectively arranged in the limiting through hole in a penetrating mode.
As a preferred solution of the wound closure device, the stop part is provided with a stop surface and an inclined pushing surface, the stop surface is parallel to the extending direction of the stop piece, and the inclined pushing surface and the stop surface are arranged at a preset angle;
the energy storage shaft is provided with a plurality of clamping parts along the circumferential direction, any one of the clamping parts can be abutted with the stop surface, and any one of the clamping parts can push the inclined pushing surface.
As the preferred technical scheme of wound closing device, the wire winding piece is provided with a first limiting piece and a second limiting piece, the first limiting piece and the second limiting piece are arranged at intervals and are respectively convexly arranged on the periphery of the wire winding shaft, and the stay wire is arranged between the first limiting piece and the second limiting piece.
As the preferable technical scheme of the wound closing device, the winding piece is fixedly provided with a knob, and part of the knob is convexly arranged on the shell.
As the preferred technical scheme of wound closure device, the casing includes epitheca and inferior valve, the epitheca with inferior valve lock forms the mounting groove, the notch setting of mounting groove is in the epitheca, the wire winding piece wears to locate the notch of mounting groove.
As a preferred technical scheme of the wound closing device, the winding part is provided with a third limiting part and a fourth limiting part, and when the third limiting part is in butt joint with the upper shell, the first transmission part is in transmission connection with the second positioning part; when the fourth limiting piece is abutted with the lower shell, the first transmission part is in transmission connection with the first positioning part.
The invention has the beneficial effects that:
the invention provides a wound closure device, wherein a shell of the wound closure device is detachably arranged on skin close to a wound, and a mounting groove is formed in the shell for placing other parts for assembling the wound closure device. One end of the energy storage elastic piece sleeved on the energy storage shaft is fixedly connected with the energy storage shaft, the other end of the energy storage elastic piece is fixedly connected with the shell, and when the energy storage shaft and the shell rotate relatively, the energy storage elastic piece deforms, so that certain elastic potential energy is accumulated. The winding piece is rotatably arranged in the mounting groove, and the reset elastic piece can be selectively compressed, so that an operator can conveniently contact the winding piece to operate in a handheld manner; the first positioning part and the second positioning part of the winding piece are arranged at intervals along the axial direction of the winding shaft; when the elastic member is in a compressed state, a first transmission part arranged at one end of the energy storage shaft is in transmission connection with a first positioning part, the elastic member rotates the winding member in a first direction, the energy storage shaft rotates, the energy storage elastic member deforms and stores force, one end of a stay wire arranged around a wound is connected with the winding shaft and is wound, the stay wire can pull the edge of the wound to be closed into the wound, and the size of the closed tension can be conveniently adjusted by the operator according to actual conditions; when the elastic member resets after releasing, the energy storage elastic member restores to deform, the first transmission part reversely rotates and can be in transmission connection with the second positioning part, so that the winding part continuously rotates in the first direction, the stay wire is continuously wound on the winding shaft, more durable closing tension can be provided for wound closure within the limit of affordable wound edge, the wound is continuously closed gradually, the adjustment frequency is reduced, the wound healing is facilitated, and the area range suitable for the wound is wide.
Drawings
FIG. 1 is an exploded view of a wound closure device provided in accordance with an embodiment of the present invention;
FIG. 2 is a block diagram of a lower housing of a wound closure device provided in accordance with an embodiment of the present invention;
FIG. 3 is a block diagram of an upper shell of a wound closure device according to an embodiment of the present invention;
FIG. 4 is a block diagram of a cord reel without a knob of a wound closure device according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a cord reel with knob of a wound closure device according to an embodiment of the present invention;
FIG. 6 is a block diagram of a stop member of a wound closure device according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a wound closure device provided in accordance with an embodiment of the present invention;
fig. 8 is a schematic view of the operation of a wound closure device provided in accordance with an embodiment of the present invention.
In the figure:
1. a lower case; 101. a first mounting groove; 102. a second mounting groove;
2. a return elastic member;
3. a winding member; 31. a first positioning portion; 32. a second positioning portion; 33. a knob; 34. a wire reel; 35. a first limiting member; 36. a second limiting piece;
4. an energy storage shaft; 41. a first transmission part; 42. a second transmission part; 43. a first fixing through hole;
5. an energy storage elastic member; 6. a pull wire;
7. an upper case; 71. mounting through holes; 72. a stop through hole; 73. displaying the through hole; 74. a threading through hole; 75. a second fixing through hole;
8. a stopper; 81. a stopper; 811. a stop surface; 812. pushing the surface obliquely; 82. an operation unit; 83. a limit part; 84. limiting through holes;
9. a stopper elastic member; 10. a positioning piece;
11. displaying a code disc; 111. a third transmission part;
12. a skin fixation fitting.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1 to 8, the present invention discloses a wound closure device that can achieve the effect of applying continuous dynamic tension to wound closure using an elastic member such as a torsion spring. The wound closure device comprises a shell, an energy storage shaft 4, an energy storage elastic piece 5, a reset elastic piece 2, a winding piece 3 and a stay wire 6, wherein a mounting groove is formed in the shell of the wound closure device and is used for placing other parts for assembling the wound closure device so as to realize a wound progressive closure function; the casing detachably sets up on skin, and casing and wound interval preset distance can be according to wound position again specific determination preset distance, conveniently carries fixedly in the patient, need not to fix other limbs too much, avoids causing various risks such as local numbness, ischemia, contracture. The reset elastic piece 2 is arranged at the bottom of the mounting groove, the winding piece 3 is rotatably arranged at the bottom of the mounting groove and is in butt joint or connection with one end of the reset elastic piece 2 away from the bottom of the mounting groove, and meanwhile, part of the winding piece 3 can be exposed out of the shell, so that an operator can conveniently hold the winding piece 3 for operation, and the winding piece 3 can selectively compress the reset elastic piece 2; the winding member 3 comprises a winding shaft 34, and when an operator rotates the winding member 3, the winding shaft 34 can wind the stay wire 6 which is arranged around the wound and can pull the edge of the wound to be closed into the wound. The winding piece 3 is also provided with a first positioning part 31 and a second positioning part 32, and the first positioning part 31 and the second positioning part 32 are arranged at intervals along the axial direction of the winding shaft 34; simultaneously, the wound closing device also comprises an energy storage shaft 4 and an energy storage elastic piece 5 sleeved on the energy storage shaft 4, one end of the energy storage elastic piece 5 is fixedly connected with the energy storage shaft 4, and the other end is fixedly connected with the shell; a first transmission part 41 is arranged at one end of the energy storage shaft 4 and is used for being in transmission connection with the wire coiling member 3; the energy storage shaft 4 is rotatably connected with the shell, and when the energy storage shaft 4 and the shell rotate relatively, the energy storage elastic piece 5 is elastically deformed, so that certain elastic potential energy can be accumulated.
The operator presses down the wire coiling member 3 and simultaneously compresses the reset elastic member 2, at the moment, the first transmission part 41 of the energy storage shaft 4 is just in transmission connection with the first positioning part 31 of the wire coiling member 3, then, the operator rotates the wire coiling member 3 towards the winding direction of the pull wire 6, so that the pull wire 6 is not only tightened, the edge of a traction wound is gradually closed, but also the energy storage shaft 4 is driven to rotate, so that the energy storage elastic member 5 deforms and stores force, and the operator can conveniently adjust the closing tension according to actual conditions; after the proper closing tension is adjusted, an operator releases the winding part 3, the reset elastic part 2 restores the deformation caused by compression and enables the winding part 3 to reset, at the moment, the first transmission part 41 of the energy storage shaft 4 is in transmission connection with the second positioning part 32 of the winding part 3, the energy storage elastic part 5 restores the deformation under the condition that the energy storage shaft 4 is not stressed to rotate any more, the energy storage shaft 4 is provided with reverse rotation force, at the moment, the transmission with the winding shaft 34 continues to rotate towards the winding direction of the pull wire 6, and within the limit of ensuring the balance bearable at the edge of the wound, more durable closing tension can be provided for wound closure, and the wound is promoted to continue progressive closure. The healing efficiency is improved, the times of adjustment of operators are reduced, the healing effect of the wound is facilitated, and the area range of the wound can be wide. It will be appreciated that in this embodiment, the winding direction is the first direction identified in fig. 8, which means a direction that enables the pull wire 6 to be gradually wound around the wire winding member 3 and tightens the wound to close inward. The coordinates in the drawings are merely examples, and in other embodiments, the winding direction may be different, so long as the stay wire 6 around the wound is gradually drawn in to achieve the purpose of pulling the wound to close toward the center.
In this embodiment, the first positioning portion 31 and the second positioning portion 32 may be two bevel gears with the same structure but installed at intervals in the turning direction, and the first transmission portion 41 is also a bevel gear, and can alternatively mesh with and rotate with the first positioning portion 31 and the second positioning portion 32, so that the first transmission portion 41 is in transmission connection with the first positioning portion 31 when the reset elastic member 2 is in the compressed state, or the first transmission portion 41 is in transmission connection with the second positioning portion 32 when the reset elastic member 2 is in the released state, so that the winding member 3 can rotate in the winding direction.
Illustratively, the transmission connection between the first transmission portion 41 and the winding member 3 may be realized by adopting a worm-gear structure, and the first positioning portion 31 and the second positioning portion 32 may be two sections of worms with opposite spiral directions, which are arranged at intervals, and the first transmission portion 41 is a worm gear, and the structure has the characteristics of stable transmission and low noise.
As shown in fig. 1 to 3, the shell comprises an upper shell 7 and a lower shell 1, and is of a split structure, so that the wound closure device is convenient to disassemble, assemble and overhaul; the upper shell 7 and the lower shell 1 are buckled to form a mounting groove, a mounting through hole 71 is formed in the upper shell 7, the winding piece 3 is penetrated through the mounting through hole 71, and one end of the winding piece can be exposed out of the upper shell 7; the lower shell 1 is provided with a first mounting groove 101 and a second mounting groove 102 which are respectively used for placing the reset elastic piece 2 and the winding piece 3, the other end of the winding piece 3 is rotatably inserted into the second mounting groove 102, and meanwhile, the second positioning part 32 is abutted or fixedly connected to one end of the reset elastic piece 2 far away from the first mounting groove 101; the upper shell 7 is also provided with a second fixing through hole 75, one end of the energy storage elastic piece 5 is inserted into the second fixing through hole 75, and the other end is inserted into a first fixing through hole 43 arranged on the energy storage shaft 4, so that the energy storage elastic piece 5 is respectively and stably connected with the energy storage shaft 4 and the upper shell 7; the upper shell 7 is also provided with a threading through hole 74 for collecting the overlong stay wire 6 which is not arranged around the wound in the shell through the stay wire 6, so as to avoid knotting of the winding or damage of external force.
As shown in fig. 4, the wire winding member 3 is provided with a first limiting member 35 and a second limiting member 36, the first limiting member 35 and the second limiting member 36 are arranged at intervals and respectively protrude from the periphery of the wire winding shaft 34, the wire drawing 6 is wound between the first limiting member 35 and the second limiting member 36, the wire winding shaft 34 is positioned between the first limiting member 35 and the second limiting member 36 and is flush with the wire through hole 74, the wire drawing 6 directly passes through the upper shell 7, the winding path is more convenient, and the wire winding part on the wire winding shaft 34 is limited, so that the wire winding is tidier and the efficiency is higher.
Optionally, the winding part 3 is fixedly provided with a knob 33, and a part of the knob 33 is convexly arranged on the shell, so that the upper shell 7 can be exposed, and an operator can conveniently hold the knob 33 by hand. As shown in fig. 5, the knob 33 and the part of the wire winding shaft 34 not used for winding the pull wire 6 are connected and fixed with each other in an interference fit manner, or the knob 33 is stably arranged on the wire winding shaft 34 by adopting an adhesion method, so that an operator can control the knob 33 to achieve the purpose of adjusting the closing pulling force.
In this embodiment, be provided with anti-skidding line at the lateral wall of knob 33, more make things convenient for operating personnel control and rotate spiral piece 3, can also imprint rotation direction at knob 33 upper surface for clearly mark the rolling direction of acting as go-between 6, it is clear at a glance, can effectively remind operating personnel, avoid operating personnel to appear the error of reversal.
Further, the winding part 3 is provided with a third limiting part and a fourth limiting part, when the third limiting part is in abutting connection with the upper shell 7, the reset elastic part 2 is in a release shape, and the first transmission part 41 is in transmission connection with the second positioning part 32; when the fourth limiting piece is abutted with the lower shell 1, the reset elastic piece 2 is in a compressed state, the first transmission part 41 is in transmission connection with the first positioning part 31, the upper and lower floating of the wire winding piece 3 can be conveniently controlled and limited, the operation is simpler and more convenient in place, the unpredictability of the deformation of the reset elastic piece 2 is reasonably avoided, the transmission connection is more stable, the interference of other external forces is avoided, and the service life of the transmission connection structure can be prolonged. Illustratively, the third limiting member is protruding around the knob 33 and can selectively abut against the inner side wall of the upper casing 7 around the mounting through hole 71, so that the winding member 3 can be stably mounted on the casing, and is prevented from falling off from the mounting through hole 71.
Preferably, the wound closure device further comprises a stop assembly, see fig. 6 and 7, comprising a stop member 8, the stop member 8 being provided with a stop portion 81 and an operating portion 82, the stop portion 81 being configured to be selectively insertable with the energy storage shaft 4, the energy storage shaft 4 being non-rotatable when the stop portion 81 and the energy storage shaft 4 are inserted; the stop part 81 is connected with the operation part 82, and the operation part 82 movably penetrates through the shell, so that an operator can conveniently control the stop piece 8 and further control whether the energy storage shaft 4 rotates or not.
In the present embodiment, the stopper assembly includes a stopper elastic member 9 and a positioning member 10; the stop elastic member 9 is sleeved on the operation part 82, specifically as shown in fig. 1 and 6, the stop member 8 is provided with a limit part 83, the limit part 83 is convexly arranged around one end of the operation part 82, which is close to the stop part 81, the upper shell 7 is further provided with a stop through hole 72 for movably penetrating the operation part 82, one end of the stop elastic member 9 is abutted against the inner side wall of the upper shell 7 around the stop through hole 72, and the other end is abutted against the limit part 83; when the stop elastic piece 9 is in a release state, the stop part 81 is spliced with the energy storage shaft 4; the operation portion 82 is further provided with a limiting through hole 84, and an operator pulls out part of the operation portion 82 to expose the limiting through hole 84, at this time, the stop elastic member 9 is compressed, and the positioning member 10 is inserted into the limiting through hole 84 to stop the operation portion 82 from recovering deformation, and the stop portion 81 is kept away from the energy storage shaft 4. Illustratively, the stop elastic member 9 may be a spring, and a hand button may be provided at an end of the operating portion 82 remote from the stop portion 81, so that it is more convenient for a worker to pull out the operating portion 82.
When the first transmission part 41 is in transmission connection with the first positioning part 31 of the winding member 3 and twists the energy storage elastic member 5 to a preset state for closing the wound, as the reset elastic member 2 is restored to deform until the first transmission part 41 is connected with the second positioning part 32 of the winding member 3, a certain time is required for the reset elastic member 2 to restore the deformation, the operator firstly fixes the control knob 33 to be still, then pulls out the positioning member 10 to plug in the stop part 81 with the energy storage shaft 4 to prevent the energy storage shaft 4 from continuing to rotate, the operator releases the control of the knob 33 until the reset elastic member 2 is restored to deform, the third limiting member is in contact with the upper shell 7, the operator re-pulls out part of the operation part 82, compresses the stop elastic member 9 and uses the positioning member 10 to fix the stop member 8, and the stop part 81 does not stop the rotation of the energy storage shaft 4, and the first transmission part 41 can be in transmission connection with the second positioning part 32 of the winding member 3.
Further, the energy storage shaft 4 is provided with a plurality of clamping parts along the circumferential direction, the stop part 81 is provided with a stop surface 811 and an inclined pushing surface 812, the stop surface 811 is parallel to the extending direction of the stop member 8, the inclined pushing surface 812 and the stop surface 811 are arranged at a preset angle, and when any one clamping part collides with the inclined pushing surface 812, the inclined pushing surface 812 can be pushed to enable the stop member 8 to be far away from the energy storage shaft 4, and the rotation of the energy storage shaft 4 can not be blocked; when the energy storage shaft 4 is about to reversely rotate, any one of the clamping parts can be abutted against the stop surface 811, so that tangential resistance is generated, and the energy storage shaft 4 can be prevented from reversely rotating.
The arrangement can simplify the working flow of operators, the stop piece 8 is not required to be fixed in advance, the energy storage shaft 4 is prevented from being blocked from rotating, when the operators rotate the knob 33 in the winding direction, the whole winding piece 3 rotates in the winding direction as well, the whole winding piece rotates clockwise along with the energy storage shaft 4, the inclined pushing surface 812 is in continuous contact with the clamping part of the energy storage shaft 4, the clamping part pushes away the compression stop elastic piece 9 continuously, deformation is recovered continuously, and the stop part 81 is ensured to be always connected with the energy storage shaft 4, but the rotation of the energy storage shaft 4 cannot be blocked; when an operator rotates the winding part 3 to the preset state of the energy storage elastic part 5 to enable the wound to be closed, the operator can immediately release hands, the energy storage shaft 4 loses the transmission force of clockwise rotation, the energy storage shaft 4 has a tendency of rotating anticlockwise due to the elastic potential energy accumulated by the energy storage elastic part 5, but the clamping part is propped against the stop surface 811 along the tangential direction, the reverse rotation of the energy storage shaft 4 is blocked, the first transmission part 41 is connected with the second positioning part 32 of the winding part 3, at the moment, part of the operation part 82 can be pulled out, the stop part 8 is fixed, the energy storage shaft 4 is continuously reversed, and the wound closing device can be ensured to provide closing tension for the wound gradually more continuously. For example, the detent can be provided as a gear wheel and a greater tooth density, as little as possible of the free-wheeling of the energy storage shaft 4.
In this embodiment, the wound closure device includes a display code disc 11, see fig. 1, the display code disc 11 is placed in the installation groove and is rotatably connected with the lower shell 1, the upper shell 7 is provided with a display through hole 73, and a portion right above the display code disc 11 can expose the display through hole 73; the display code wheel 11 is configured to display the rotation number of the energy storage shaft 4 so as to more intuitively display the closing pulling force born by the wound edge to an operator, the display code wheel 11 is provided with a third transmission part 111, the energy storage shaft 4 is provided with a second transmission part 42, the second transmission part 42 is in transmission connection with the third transmission part 111, when the energy storage shaft 4 rotates, the display code wheel 11 can be driven to rotate, and the operator can judge when to stop twisting the knob 33 by observing the display code wheel 11; when the energy storage shaft 4 is reversed, the display code disc 11 is driven to be reversed, an operator can observe at any time, and the knob 33 is adjusted in time when needed, so that the wound is closed faster and better. Illustratively, the display code wheel 11 can be marked with a digital scale and a datum line, which is more convenient to read and is beneficial for an operator to control the closing pulling force more accurately. For example, the second transmission portion 42 and the third transmission portion 111 may be configured as gears capable of being matched with each other, where the second transmission portion 42 and the clamping portion may be the same gear, so as to not only drive the display code wheel 11, but also be matched with the stopper 8, and optimize the structure of the wound closure device.
As shown in fig. 8, the wound closure device comprises a plurality of skin fixing accessories 12, wherein the skin fixing accessories 12 are firstly arranged around a wound, the plurality of skin fixing accessories 12 are wound one by using the stay wires 6, when the stay wires 6 are tightened, the skin fixing accessories 12 are gradually gathered from the wound edge into the wound, the skin fixing accessories 12 do not need to penetrate the skin at the wound edge to cause secondary injury to a human body, and can be fixed with the skin at the wound edge more stably; the pull wire 6 can be a stronger wire because it does not need to penetrate the skin of the human body.
In this embodiment, the skin fixing accessory 12 is provided with a hook for hanging the stay wire 6, and a plurality of skin fixing accessories 12 are arranged to be uniformly fixed around the wound according to the actual situation of the wound, and the stay wire 6 is wound around the hook of the skin fixing accessory 12 in a shoelace-like manner, so that the stay wire 6 can be prevented from falling off, the wound is further uniformly stressed, and a better healing effect is sought.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (9)
1. A wound closure device, comprising:
the wound healing device comprises a shell, a wound protecting device and a protective cover, wherein the shell is detachably arranged on the skin, is arranged at a preset distance from a wound and is provided with a mounting groove;
an energy storage shaft (4), one end of which is provided with a first transmission part (41);
the energy storage elastic piece (5) is sleeved on the energy storage shaft (4), one end of the energy storage elastic piece (5) is fixedly connected with the energy storage shaft (4), and the other end of the energy storage elastic piece is fixedly connected with the shell;
one end of the reset elastic piece (2) is connected or abutted with the bottom of the mounting groove;
the winding piece (3) is rotatably arranged relative to the shell, and the winding piece (3) is abutted or connected with the other end of the reset elastic piece (2); the winding piece (3) comprises a winding shaft (34), a first positioning part (31) and a second positioning part (32), wherein the first positioning part (31) and the second positioning part (32) are arranged at intervals along the axial direction of the winding shaft (34);
the wire coiling piece (3) is configured to selectively compress the reset elastic piece (2), when the reset elastic piece (2) is in a compressed state, the first transmission part (41) is in transmission connection with the first positioning part (31), and the wire coiling piece (3) can rotate along a first direction and drive the energy storage elastic piece (5) to deform and store energy; when the reset elastic piece (2) is in a release state, the first transmission part (41) is in transmission connection with the second positioning part (32), and the energy storage elastic piece (5) can restore deformation and drive the winding piece (3) to continue rotating along the first direction;
and one end of the stay wire (6) is connected with the winding shaft (34), the other end of the stay wire is fixed on the periphery of the wound, and when the winding piece (3) rotates along the first direction, the stay wire (6) can pull the edge of the wound to be closed into the wound.
2. The wound closure device according to claim 1, wherein the first positioning portion (31) and the second positioning portion (32) are respectively two bevel gears with opposite transmission directions, and the first transmission portion (41) is configured as a bevel gear and can be alternatively meshed with the first positioning portion (31) and the second positioning portion (32) for rotation.
3. The wound closure device according to claim 1, further comprising a stop assembly, the stop assembly comprising a stop (8), the stop (8) being provided with a stop portion (81) and an operating portion (82), the stop portion (81) and the operating portion (82) being connected, the operating portion (82) being movably threaded through the housing, the stop portion (81) being configured to be selectively insertable with the energy storage shaft (4).
4. A wound closure device according to claim 3, wherein the stop assembly comprises a stop spring (9) and a positioning member (10); the stop elastic piece (9) is sleeved on the operation part (82), the stop piece (8) is provided with a limiting part (83), the limiting part (83) is convexly arranged around one end, close to the stop part (81), of the operation part (82), one end of the stop elastic piece (9) is abutted against the shell, and the other end of the stop elastic piece is abutted against the limiting part (83);
the operation part (82) is provided with a limit through hole (84), and when the stop elastic piece (9) is in a release state, the stop part (81) is spliced with the energy storage shaft (4); the limiting through hole (84) is outside the housing when the stop elastic member (9) is in a compressed state, and the positioning member (10) is configured to be selectively penetratable in the limiting through hole (84).
5. The wound closure device according to claim 4, characterized in that the stop (81) is provided with a stop surface (811) and a ramp surface (812), the stop surface (811) being parallel to the extension direction of the stop (8), the ramp surface (812) being arranged at a predetermined angle to the stop surface (811);
the energy storage shaft (4) is provided with a plurality of clamping parts along the circumferential direction, any one of the clamping parts can be abutted with the stop surface (811), and any one of the clamping parts can push the inclined pushing surface (812).
6. The wound closure device according to claim 1, wherein the winding member (3) is provided with a first limiting member (35) and a second limiting member (36), the first limiting member (35) and the second limiting member (36) are arranged at intervals and respectively protrude around the winding shaft (34), and the pull wire (6) is arranged between the first limiting member (35) and the second limiting member (36).
7. Wound closure device according to claim 1, characterized in that the winding member (3) is fixedly provided with a knob (33), part of the knob (33) protruding from the housing.
8. The wound closure device according to claim 1, wherein the housing comprises an upper shell (7) and a lower shell (1), the upper shell (7) and the lower shell (1) are buckled to form the mounting groove, a notch of the mounting groove is formed in the upper shell (7), and the winding piece (3) penetrates through the notch of the mounting groove.
9. The wound closure device according to claim 8, wherein the winding member (3) is provided with a third limit member and a fourth limit member, and wherein the first transmission portion (41) is in transmission connection with the second positioning portion (32) when the third limit member abuts against the upper case (7); when the fourth limiting piece is abutted with the lower shell (1), the first transmission part (41) is in transmission connection with the first positioning part (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311377957.3A CN117100347B (en) | 2023-10-24 | 2023-10-24 | Wound closure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311377957.3A CN117100347B (en) | 2023-10-24 | 2023-10-24 | Wound closure device |
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| Publication Number | Publication Date |
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| CN117100347A true CN117100347A (en) | 2023-11-24 |
| CN117100347B CN117100347B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311377957.3A Active CN117100347B (en) | 2023-10-24 | 2023-10-24 | Wound closure device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118415705A (en) * | 2024-07-05 | 2024-08-02 | 泓欣科创生物科技(北京)有限公司 | Wound closure device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060058842A1 (en) * | 2004-09-13 | 2006-03-16 | Wilke Robert C | Wound closure product |
| US20060095076A1 (en) * | 2004-11-04 | 2006-05-04 | Elliott Daniel M | Wound closure product |
| CN210301103U (en) * | 2019-02-21 | 2020-04-14 | 惠水县中医院 | Skin wound healing device |
| CN211131213U (en) * | 2019-09-27 | 2020-07-31 | 卢德玮 | Tissue stretching and closing device |
| US20200375588A1 (en) * | 2017-11-24 | 2020-12-03 | Mediclose Solutions B.V. | Suture device |
| CN217186262U (en) * | 2021-11-11 | 2022-08-16 | 浙江大学 | Tension accurate regulation and control knob formula wound closing device |
| CN115192108A (en) * | 2022-04-18 | 2022-10-18 | 华融科创生物科技（天津）有限公司 | Wound closure system and method |
-
2023
- 2023-10-24 CN CN202311377957.3A patent/CN117100347B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060058842A1 (en) * | 2004-09-13 | 2006-03-16 | Wilke Robert C | Wound closure product |
| US20060095076A1 (en) * | 2004-11-04 | 2006-05-04 | Elliott Daniel M | Wound closure product |
| US20200375588A1 (en) * | 2017-11-24 | 2020-12-03 | Mediclose Solutions B.V. | Suture device |
| CN210301103U (en) * | 2019-02-21 | 2020-04-14 | 惠水县中医院 | Skin wound healing device |
| CN211131213U (en) * | 2019-09-27 | 2020-07-31 | 卢德玮 | Tissue stretching and closing device |
| CN217186262U (en) * | 2021-11-11 | 2022-08-16 | 浙江大学 | Tension accurate regulation and control knob formula wound closing device |
| CN115192108A (en) * | 2022-04-18 | 2022-10-18 | 华融科创生物科技（天津）有限公司 | Wound closure system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118415705A (en) * | 2024-07-05 | 2024-08-02 | 泓欣科创生物科技(北京)有限公司 | Wound closure device |
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| CN117100347B (en) | 2024-03-01 |
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