CN113081120A - Noninvasive skin wound closing device and using method thereof - Google Patents
Noninvasive skin wound closing device and using method thereof Download PDFInfo
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- CN113081120A CN113081120A CN202110400795.5A CN202110400795A CN113081120A CN 113081120 A CN113081120 A CN 113081120A CN 202110400795 A CN202110400795 A CN 202110400795A CN 113081120 A CN113081120 A CN 113081120A
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- 206010052428 Wound Diseases 0.000 abstract description 84
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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
- A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
- A61B17/085—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound with adhesive layer
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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
- A61B17/08—Wound clamps or clips, i.e. not or only partly penetrating the tissue ; Devices for bringing together the edges of a wound
- A61B2017/081—Tissue approximator
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
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- General Health & Medical Sciences (AREA)
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- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides a noninvasive skin wound closing device and a using method thereof, belonging to the technical field of medical instruments. Wherein, the lower surfaces of the left base band and the right base band are respectively provided with an adhesive layer, the left base band is at least provided with a screw hole base, the screw hole base is provided with a screw hole, and the screw hole is internally provided with an internal thread structure; the right base band is at least provided with a lock catch base, and the lock catch base is provided with a lock hole and a lock tooth buckle; the one end of adjusting the pole is provided with the external screw thread, and the external screw thread cooperatees with the interior thread structure on the screw base, and the other end of adjusting the pole is provided with the handle, and the mid portion of adjusting the pole is provided with the lock tooth, and the lock tooth passes the lockhole on the hasp base and blocks through the lock tooth buckle. The secondary damage to the skin by using needles and threads or skin nails is avoided, the risk of wound infection is reduced, the pain of a patient is reduced, and the hyperplasia of scars can be reduced; the tightening degree of the closed wound can be adjusted without the help of external instruments, so that the accurate closing of the skin wound is achieved.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a noninvasive skin wound closing device and a using method thereof.
Background
Small wounds caused by human body injury can be closed by the aid of the band-aid, large wounds, particularly postoperative incisions, are basically treated by stitching with needles and threads or skin nails, so that new wounds are caused to the skin, problems of wound infection, foreign body residues, delayed wound healing and the like can be caused in the later period, and great pain is brought to patients. In addition, the skin treated by the needle thread or the skin nail suture is easy to form 'centipede foot' hyperplastic scars and even keloids in the process of wound healing, and the obvious scars cause great harm to the body and the mind of a patient, especially when the scars are on an exposed part (such as the face). At present, the requirement of patients on beauty is continuously improved, and the selection of a skin wound closing method with good effect and beauty becomes the trend of clinical operation.
Chinese patent publication CN 101229071B discloses a skin wound suturing device and a suturing method thereof, which is characterized in that the suturing device is composed of two substrates, each of which comprises a sticker, a reinforcing rib and a lock catch, the sticker is made of a breathable soft material, the reinforcing rib is arranged along one side of the length direction of the sticker, the sticker is composed of a sticker upper layer, a sticker lower layer and a protective layer, the reinforcing rib is arranged between the sticker upper layer and the sticker lower layer, the reinforcing rib is provided with air holes and a plurality of lock catches are arranged at equal intervals; the lock catch is L-shaped and comprises a lock bar and a lock seat, wherein the lock bar is provided with lock teeth and a gap area, and the lock seat is internally provided with a lock tooth buckle. When the suturing device is used, the base pieces of the suturing device are respectively pasted on the skins at two sides of a wound, the locking strips are respectively and correspondingly inserted into the opposite locking seats, and the two hands pull the corresponding locking strips at two sides to apply force, so that the wound is closed. The device avoids various defects caused by sewing of needles and threads or leather nails, but still has the following parts needing improvement: firstly, the matching of the locking strip and the locking seat belongs to a one-way locking structure, and due to the irreversible characteristic of the structure, even if one locking strip slightly pulls the head, only a new suture instrument can be replaced, otherwise, the expected closing effect cannot be achieved, and the risks of blister, ulceration and the like are brought to the wound of a patient; secondly, after the wound is closed for the first time, when postoperative edema occurs, the skin wound becomes tight (the closing force is increased), the suturing device cannot reversely replay the locking strip, at the moment, when the suturing device is replaced, the wound which is already healed can be torn in the disassembling process, secondary injury is caused, serious patients can be infected by the wound, and the economic burden can be increased for the patients by using a plurality of pairs of suturing devices, so that the resource waste is caused; furthermore, since the reinforcing ribs are located at the edges of the base sheet and extend through the entire base sheet, they are not flexible, thus limiting the range of applications, and such devices are not suitable for use in curved wound closures, such as those used in total knee arthroplasty.
US 9474529B 2 discloses a Surgical inclusion and clouure Apparatus which avoids the above disadvantages to some extent, but there is still a need for improvement: because the volume of the lock seat is very small, the lock tooth buckle in the lock seat is smaller, when the lock bar needs to be reversely adjusted, the lock tooth buckle in the lock seat is lifted by the help of an external sharp instrument, so that the reverse adjusting function of the lock bar can be realized, on one hand, the device is adhered to the skin, if the force for lifting the lock tooth buckle is too large, the device and the skin are possibly separated from each other, the skin has elasticity, the size of the lock seat is too small, unnecessary troubles are brought to medical workers when the lock bar is reversely adjusted, and the operation time for placing the device is prolonged; on the other hand, when the locking bar is reversely retracted with the help of an external sharp instrument, if the medical staff does not operate properly, the sharp instrument can contact the skin, so that the risk of puncturing the skin of the patient is brought; moreover, a certain distance is reserved between the two locking teeth, and accurate closing of the skin wound is difficult to achieve when the locking strip is tightened or retracted.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a noninvasive skin wound closing device and a using method thereof, and aims to solve the problems that in the prior art, a locking bar is difficult to adjust back reversely, the operation is inconvenient, the application range is narrow, the wound is easy to infect and scar, the wound is difficult to close accurately and the like; meanwhile, the device is convenient for the ventilation, drainage and dressing change of the wound and is also convenient for observing the healing condition of the wound at any time.
The invention is realized by the following technical scheme:
in a first aspect of the invention, a non-invasive skin wound closure device is provided, which comprises an adjusting rod, a screw hole base, a lock catch base, a left base band, a right base band and an adhesive layer;
the lower surfaces of the left base band and the right base band are respectively provided with an adhesive layer, the left base band is at least provided with a screw hole base, a screw hole is formed in the screw hole base, and an internal thread structure is arranged in the screw hole; the right base band is at least provided with a lock catch base, and the lock catch base is provided with a lock hole and a lock tooth buckle;
the adjusting rod is at least provided with one, the one end of the adjusting rod is provided with an external thread, the external thread is matched with an internal thread structure on the screw hole base, the other end of the adjusting rod is provided with a handle, the middle part of the adjusting rod is provided with a locking tooth, and the locking tooth penetrates through a lock hole on the lock catch base and is clamped through a locking tooth buckle.
Preferably, the screw hole bases correspond to the locking buckle bases one by one, one adjusting rod penetrates through one screw hole base and the locking buckle base corresponding to the screw hole base, and the adjusting rods are arranged in parallel.
Preferably, the locking tooth buckle is a one-way locking tooth buckle, and the locking tooth is a one-way locking tooth.
Preferably, the screw hole bases on the left base band are arranged in groups two by two, and the two screw hole bases in each group on the left base band are connected through a first connecting piece;
every two lock catch bases on the right base band are arranged in groups, two adjacent lock catch bases in two adjacent groups on the right base band are connected through a second connecting piece, and the first connecting piece and the second connecting piece are arranged in a staggered mode.
Preferably, a safety zone is arranged between the external thread on the adjusting rod and the locking tooth.
Preferably, the thread teeth of the external thread on the adjusting rod are provided with grooves, the tail end of the screw hole on the screw hole base is provided with clamping protrusions, and the grooves are matched with the clamping protrusions.
Preferably, the clamping protrusions are arranged in 1, and one or a plurality of uniformly distributed grooves can be formed in one circumference of the thread tooth.
Preferably, a clearance area is arranged between the handle and the locking tooth on the adjusting rod, and the diameter of the clearance area is smaller than the maximum width of the handle and the maximum outer diameter of the locking tooth.
Preferably, be provided with lockhole and through-hole on the hasp base, the aperture of through-hole is greater than the maximum width who adjusts the handle on the pole, be provided with first spacing arch between lockhole and the through-hole, the top of hasp base is provided with a square hole, be equipped with the lock tooth buckle on one of them side of square hole, the lock tooth buckle cooperatees with the lock tooth, the tip of lock tooth buckle is equipped with the spacing arch of second, the spacing arch of second is along the tip of lock tooth buckle outwards and downwardly extending simultaneously, the spacing arch of second is located first spacing arch directly over, the distance between first spacing arch and the spacing arch of second is greater than the diameter of spacing district on the regulation pole, and be less than the maximum external diameter of locking the tooth on the regulation pole.
In a second aspect of the invention, a method of using a non-invasive skin wound closure device is provided, specifically comprising:
the release protection paper on the sticking layer is slightly torn off, the left base band and the right base band are respectively stuck to two sides of the wound, the left base band and the right base band are lightly pressed by hands to be firmly stuck, one hand lightly presses the lock catch base, the other hand pulls the adjusting rod one by one, and the wound is driven to gather by adjusting the distance between the left base band and the right base band, so that the purpose of suturing the wound is achieved; if the wound tissue is gathered together too tightly, through the rotatory regulation pole, the external screw thread on the regulation pole will withdraw from in the screw on the screw base, adjusts wound tissue's tightening degree wantonly through helicitic texture's regulation effect to realize the accurate closure of wound or the regulation of wound closure degree.
In a third aspect of the invention, a noninvasive skin wound closing device is provided, which is a noninvasive skin wound two-way closing device and comprises an adjusting rod, a screw hole base, a lock catch base, a left base band, a right base band and an adhesive layer;
the lower surfaces of the left base band and the right base band are respectively provided with an adhesive layer, the left base band and the right base band are respectively provided with at least one screw hole base and at least one lock catch base, the screw hole bases and the lock catch bases are arranged at intervals, and the screw hole bases on the left base band and the right base band correspond to the lock catch bases one by one;
a screw hole is formed in the screw hole base, and an internal thread structure is arranged in the screw hole; the lock catch base is provided with a lock hole and a lock tooth buckle;
the one end of adjusting the pole is provided with the external screw thread, and the internal thread structure in the screw on external screw thread and the screw base cooperatees, and the other end of adjusting the pole is provided with the handle, and the mid portion of adjusting the pole is provided with the lock tooth, and the lock tooth passes the lockhole on the hasp base and blocks through the lock tooth buckle, and a regulation pole passes a screw base and the hasp base that corresponds with this screw base simultaneously, a plurality of regulation pole parallel arrangement, and two adjacent handles of adjusting the pole are located the left and right sides respectively.
Preferably, the locking tooth buckle is a one-way locking tooth buckle, and the locking tooth is a one-way locking tooth.
Preferably, the screw hole base and the lock catch base on the left base band are arranged in groups two by two, and the screw hole base and the lock catch base in each group on the left base band are connected through a connecting piece;
the screw hole bases and the lock catch bases on the right base band are arranged in groups two by two, the screw hole bases and the lock catch bases adjacent to each other in the two adjacent groups on the right base band are connected through connecting pieces, and the connecting pieces on the left base band and the connecting pieces on the right base band are arranged in a staggered mode.
Preferably, a safety zone is arranged between the external thread on the adjusting rod and the locking tooth.
Preferably, the thread teeth of the external thread on the adjusting rod are provided with grooves, the tail end of the screw hole on the screw hole base is provided with clamping protrusions, and the grooves are matched with the clamping protrusions.
Preferably, the clamping protrusions are arranged in 1, and one or a plurality of uniformly distributed grooves can be formed in one circumference of the thread tooth.
Preferably, a clearance area is arranged between the handle and the locking tooth on the adjusting rod, and the diameter of the clearance area is smaller than the maximum width of the handle and the maximum outer diameter of the locking tooth.
Preferably, be provided with lockhole and through-hole on the hasp base, the aperture of through-hole is greater than the maximum width who adjusts the handle on the pole, be provided with first spacing arch between lockhole and the through-hole, the top of hasp base is provided with a square hole, be equipped with the lock tooth buckle on one of them side of square hole, the lock tooth buckle cooperatees with the lock tooth, the tip of lock tooth buckle is equipped with the spacing arch of second, the spacing arch of second is along the tip of lock tooth buckle outwards and downwardly extending simultaneously, the spacing arch of second is located first spacing arch directly over, the distance between first spacing arch and the spacing arch of second is greater than the diameter of spacing district on the regulation pole, and be less than the maximum external diameter of locking the tooth on the regulation pole.
In a fourth aspect of the invention, a method for using a non-invasive skin wound closure device is provided, which specifically comprises:
the release protection paper on the sticking layer is slightly torn off, the left base band and the right base band are respectively stuck to two sides of the wound, the left base band and the right base band are lightly pressed by hands to be firmly stuck, one hand lightly presses the lock catch base, the other hand pulls the adjusting rod to operate in sequence, and the wound is driven to gather by adjusting the distance between the left base band and the right base band, so that the purpose of suturing the wound is achieved; if the wound tissue is gathered together too tightly, through the rotatory regulation pole, the external screw thread on the regulation pole will withdraw from in the screw on the screw base, adjusts wound tissue's tightening degree wantonly through helicitic texture's regulation effect to realize the accurate closure of wound or the regulation of wound closure degree.
Compared with the prior art, the invention has the beneficial effects that:
the non-invasive skin wound closing device and the using method thereof disclosed by the invention avoid secondary damage to the skin by using needles and threads or skin nails, reduce the risk of wound infection, reduce the pain of a patient and reduce the hyperplasia of scars; the visualization of the wound is beneficial to the ventilation, drainage and dressing change of the wound and the dressing and healing condition observation of the wound skin margin; the application range is wider, and the device can be suitable for closing skin wounds with radian; the operation is simple and convenient, and the tightening degree of the closed wound can be adjusted without the help of external instruments, so that the accurate closing of the skin wound is achieved.
Drawings
FIG. 1 is a schematic diagram of a first non-invasive skin wound closure device of the present invention;
FIG. 2 is a diagram illustrating the operation of a first non-invasive skin wound closure device of the present invention;
FIG. 3 is a cross-sectional view taken at A-A of FIGS. 1 and 11;
FIG. 4 is a schematic view of the structure of the adjustment lever;
FIG. 5 is a schematic view of the external threads on the adjustment stem;
FIG. 6 is a cross-sectional view of a screw base;
FIG. 7 is an assembly view of the adjustment rod and the threaded hole base;
FIG. 8 is a schematic view of the latch base;
FIG. 9 is a partial enlarged view of the second stopper protrusion and the latch tooth snap;
FIG. 10 is an assembly view of the adjustment lever and the latch base;
FIG. 11 is a schematic view of a second non-invasive skin wound closure device of the present invention;
fig. 12 is a view showing a state of use of a second non-invasive skin wound closure device according to the present invention.
In the figure, 1, an adjusting rod, 11, an external thread, 111, a groove, 12, a locking tooth, 13, a handle, 14, a gap area, 15, a safety area, 2, a screw hole base, 21, a screw hole, 211, a clamping process, 22, a thread structure, 3, a locking base, 31, a locking hole, 32, a locking tooth buckle, 33, a through hole, 34, a first limiting protrusion, 35, a second limiting protrusion, 4, a left base band, 5, a right base band, 6, release protection paper, 7, a wound, 8, a first connecting piece, 9 and a second connecting piece.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
example 1
A non-invasive skin wound closure device of this embodiment 1, as shown in fig. 1 to 10, includes an adjusting lever 1, a screw base 2, a latch base 3, a left base band 4, a right base band 5, and an adhesive layer.
The flexible but non-expandable material (the wound is closed, no significant contraction occurs, and therefore no upward bending or downward bending occurs) is used for the adjustment rod 1, and the flexible but non-expandable material is made from a rigid material, and the adjustment rod 1 cannot be bent for a wound on a cambered surface (such as a wound at a knee joint), so that the left and right base tapes and the adhesive layer are easy to lift, and the wound is easy to prick), so that the adjustment rod 1 can be bent along with the deformation of the tissue near the wound, but cannot be stretched along the length of the wound, and the materials include, but are not limited to, nylon, polypropylene, polyethylene, polycarbonate or other thermosetting polymers.
The screw hole base 2 and the lock catch base 3 are made of high polymer materials, and preferably, the screw hole base 2 and the lock catch base 3 are made of medical grade high polymer materials.
The left base band 4 and the right base band 5 are made of a soft medical polymer material, and preferably, a medical polymer material having air-permeable and antibacterial effects can be used, and more preferably, include, but are not limited to, an elastomer film or sheet (e.g., a polyurethane sheet, a silicone sheet, or a thermoplastic elastomer sheet), a woven fabric (containing at least a part of elastomer filaments, threads, or fibers), a fiber film, and the like.
The adhesive layer is a medical adhesive layer, preferably, the adhesive layer is a breathable and hypoallergenic pressure-sensitive adhesive or a hydrocolloid pressure-sensitive adhesive, the lower layer is protected by release protective paper, and bacteriostatic components and antioxidants are added into the pressure-sensitive adhesive.
The lower surfaces of the left base band 4 and the right base band 5 are respectively provided with a sticking layer for sticking skin, the lower surfaces of the two sticking layers are respectively provided with release protective paper 6, and during use, the release protective paper 6 is torn off, and the two sticking layers are respectively stuck on the two sides of a wound. At least one screw hole base 2 is arranged on the left base band 4, a screw hole 21 is arranged on the screw hole base 2, and an internal thread structure 22 is arranged in the screw hole 21; the right base band 5 is at least provided with a lock catch base 3, the lock catch base 3 is provided with a lock hole 31 and a lock tooth buckle 32, and the lock tooth buckle 32 is a one-way locking lock tooth buckle.
One end of the adjusting rod 1 is provided with an external thread 11 which can be matched with an internal thread structure 22 in a screw hole 21 on the screw hole base 2; the other end of the adjusting rod 1 is provided with a handle 13 which is convenient to operate and can be designed into a cylindrical shape, a spindle shape, a disc shape or a circular ring shape without limitation; the middle part of the adjusting rod 1 is provided with a locking tooth 12, the locking tooth 12 is a one-way locking tooth, the locking tooth 12 penetrates through a lock hole 31 on the lock catch base 3 and clamps the locking tooth 12 through a locking tooth buckle 32 in the lock hole 31, and the adjusting rod 1 can be pulled or rotated, so that the distance between the left base belt 4 and the right base belt 5 is adjusted. Screw base 2 and hasp base 3 one-to-one, and an regulation pole 1 passes a screw base 2 and the hasp base 3 that corresponds with this screw base 2 simultaneously, and after having installed, a plurality of regulation poles 1 parallel arrangement.
Referring to the attached figure 2, when the invention is used, the release protection paper 6 of the adhesive layer is slightly torn off, the left base belt 4 and the right base belt 5 are respectively adhered to two sides of a wound 7, the left base belt 4 and the right base belt 5 are lightly pressed by hands to be firmly adhered, one hand slightly presses the lock catch base 3, the other hand pulls the adjusting rod 1 one by one, and the distance between the left base belt 4 and the right base belt 5 is adjusted to drive the wound to gather together, so that the purpose of suturing the wound 7 is achieved, the gathering of wound tissues enables the skin edges of the wound to be outwards turned and the tissues to be wrinkled, and the formation of scars can be reduced. If the wound tissue gathers together too tightly, can adjust pole 1 through the rotation, then adjust the screw 21 that external screw thread 11 on the pole 1 will follow on the screw base 2 and withdraw from, can adjust the degree of tightening up of wound tissue wantonly through helicitic texture's regulatory effect to realize the accurate closure of wound 7 or the regulation of wound closure degree.
In order to realize uniform force distribution of the left base belt 4 and the right base belt 5 along the long edge direction, the screw hole bases 2 and the lock catch bases 3 can be respectively arranged in groups in pairs, specifically, a plurality of groups of screw hole bases are arranged on the left base belt 4, each group of screw hole bases comprises two screw hole bases 2, a plurality of groups of lock catch bases are arranged on the right base belt 5, and each group of lock catch bases comprises two lock catch bases 3; two screw bases 2 in every group are connected through first connecting piece 8 on the left baseband 4, connect through second connecting piece 9 between two adjacent hasp bases 3 in two adjacent groups on the right baseband 5, and first connecting piece 8 and the crisscross setting of second connecting piece 9, thereby make left baseband 4, right baseband 5 along long limit both realized the continuous even transmission of power, certain bendability has again, thereby be applicable to some nonlinear type's wounds more.
The staggered arrangement of the first and second connectors 8, 9 is intended to achieve a dynamic compression design, i.e. the first and second connectors 8, 9 are staggered to provide dynamic compression of the wound during longitudinal stretching of the incision along its length as the patient moves. Therefore, the noninvasive skin wound closing device can dynamically press the incision in the longitudinal stretching process of the incision, and the safe closing state is always kept in the wound healing process.
As shown in fig. 4, set up to safe district 15 between external screw thread 11 and the lock tooth 12 on the regulation pole 1, safe district 15 does not set up lock tooth or screw thread, so can leave safe distance for between left baseband 4 and the right baseband 5, prevents that left baseband 4 and right baseband 5 from drawing close together completely to for medical personnel leave the space of handling the wound, the observation and the dressing change of the wound healing condition of being convenient for.
The function of this embodiment can also be realized by providing a limit catch (not shown) on the adjustment lever 1 or the latch base 3.
As shown in fig. 5, a groove 111 is formed on the thread teeth of the external thread 11 on the adjustment lever 1, and a clamping protrusion 211 is formed at the end of the screw hole 21 on the screw hole base 2, as shown in fig. 6 and 7, the diameter of the screw hole section where the clamping protrusion 211 is located is increased, and the groove 111 and the clamping protrusion 211 are matched with each other, so that the purpose of preventing the adjustment lever 1 from loosening is achieved.
Wherein, the setting of card suddenly 211 is 1, can set up one or equipartition a plurality of recesses 111 in the last circumference of screw thread tooth, and arbitrary recess 111 is gone into card suddenly 211 back and all can be realized the fixed action. The number of grooves 111 in one circumference determines the ability of the adjustment rod 1 to be finely adjusted, for example: two recesses 111 are provided in one circumference, the minimum fine adjustment capacity of the adjustment rod 1 being half a thread circumference.
When the adjusting rod 1 is manually rotated, the tail end of the external thread 11 can be tilted and rotated (after the groove 111 on the thread tooth rotates over the clamping protrusion 211, the thread tooth rotates from the clamping protrusion 211, the material has flexibility, and the material slightly tilts, so that the diameter of the round hole at the clamping protrusion 211 is increased, the round hole can be tilted, then the clamping protrusion 211 is clamped into the next groove 111 to realize fixation, and so on. In this way, a reduction in wound closure force due to loosening of the threads is prevented, while also allowing for gradual fine adjustment between the left and right base straps 4, 5.
A clearance area 14 is arranged between the handle 13 and the locking tooth 12 on the adjusting rod 1, and the diameter of the clearance area 14 is smaller than the maximum width of the handle 13 and the maximum outer diameter of the locking tooth 12. As shown in fig. 8 and 9, the locking base 3 is configured as a double through hole structure, the locking base is provided with a locking hole 31 and a through hole 33, the aperture of the through hole 33 is slightly larger than the maximum width of the handle 13 on the adjustment rod 1, a first limit protrusion 34 is arranged between the locking hole 31 and the through hole 33, the top of the locking base 3 is provided with a square hole, one side of the square hole is provided with a locking tooth buckle 32, the locking tooth buckle 32 is matched with the locking tooth 12, the end of the locking tooth buckle 32 is provided with a second limit protrusion 35, the second limit protrusion 35 extends outwards and downwards along the end of the locking tooth buckle 32, thereby playing the role of limiting, the second limiting protrusion 35 is positioned right above the first limiting protrusion 34, and the distance between the first limiting protrusion 34 and the second limiting protrusion 35 is slightly larger than the diameter of the clearance area 14 on the adjusting rod 1 and smaller than the maximum outer diameter of the locking tooth 12 on the adjusting rod 1. The purpose of this design is for the assembly process is simple and convenient, makes things convenient for workman's assembly, and the distance between two spacing juts is slightly greater than the diameter of interstitial area 14, and is less than the external diameter of handle 13 and lock tooth 12, therefore, can only put regulation pole 1 in lockhole 31 through interstitial area 14.
As shown in fig. 10, during assembly, the handle 13 on the adjustment lever 1 passes through the through hole 33, then the clearance area 14 on the adjustment lever 1 is moved into the lock hole 31 through the gap between the first limit protrusion 34 and the second limit protrusion 35, the handle 13 on the adjustment lever 1 is pulled, and then the lock teeth 12 on the adjustment lever 1 are clamped by the lock teeth buckle 32 on the lock catch base 3, so that the purpose of simple and efficient assembly of the product is achieved.
When the noninvasive skin wound closing device of embodiment 1 is assembled, first, the handle 13 of the adjusting rod 1 is held, the adjusting rod 1 is assembled into the screw hole 21 of the screw hole base 2 through the external thread 12 at one end, then the handle 13 of the adjusting rod 1 passes through the through hole 33 of the lock catch base 3, the clearance area 14 on the adjusting rod 1 is moved into the lock hole 31 through the clearance between the first limit protrusion 34 and the second limit protrusion 35, the handle 13 on the adjusting rod 1 is pulled, the lock teeth 12 on the adjusting rod 1 are clamped by the lock teeth buckle 32 on the lock catch base 3, then the screw hole base 2 and the lock catch base 3 are respectively adhered to the left base belt 4 and the right base belt 5, the base belts themselves can be medical adhesive tapes with adhesive coated on one side, a gluing process can also be added on the non-adhesive base belts, an adhesive layer is coated, and finally, the release protective paper 6 is adhered, so as to complete the assembly.
The non-invasive skin wound closing device avoids secondary damage to the skin by using needles and threads or skin nails, reduces the risk of wound infection, reduces the pain of a patient, and can reduce the hyperplasia of scars; the visualization of the wound is beneficial to the ventilation, drainage and dressing change of the wound and the dressing and healing condition observation of the wound skin margin; the application range is wider, and the device can be suitable for closing skin wounds with radian; the operation is simple and convenient, and the tightening degree of the closed wound can be adjusted without the help of external instruments, so that the accurate closing of the skin wound is achieved.
Example 2
A non-invasive skin wound closure device of this embodiment 2 is a non-invasive skin wound bidirectional closure device, as shown in fig. 3 to 12, and includes an adjustment lever 1, a screw base 2, a latch base 3, a left base tape 4, a right base tape 5, and an adhesive layer.
The flexible but non-expandable material (the wound is closed, no significant contraction occurs, and therefore there is no upward bending or downward bending) is used for the adjustment rod 1, and the flexible but non-expandable material is used for the adjustment rod 1, which is made of rigid material, and the adjustment rod 1 is not able to bend for the wound on the cambered surface (such as the wound at the knee joint), which is easy to cause the left and right base tapes and the adhesive layer to tilt and is easy to prick the wound), so that the adjustment rod 1 can bend along with the deformation of the tissue near the wound, but does not extend along the length thereof, and such materials include but are not limited to nylon, polypropylene, polyethylene, polycarbonate or other thermosetting polymers.
The screw hole base 2 and the lock catch base 3 are made of high polymer materials, and preferably, the screw hole base 2 and the lock catch base 3 are made of medical grade high polymer materials.
The left base band 4 and the right base band 5 are made of a soft medical polymer material, and preferably, a medical polymer material having air-permeable and antibacterial effects can be used, and more preferably, include, but are not limited to, an elastomer film or sheet (e.g., a polyurethane sheet, a silicone sheet, or a thermoplastic elastomer sheet), a woven fabric (containing at least a part of elastomer filaments, threads, or fibers), a fiber film, and the like.
The adhesive layer is a medical adhesive layer, preferably, the adhesive layer is a breathable and hypoallergenic pressure-sensitive adhesive or a hydrocolloid pressure-sensitive adhesive, the lower layer is protected by release protective paper, and bacteriostatic components and antioxidants are added into the pressure-sensitive adhesive.
The screw hole base 2 is provided with a screw hole 21, and an internal thread structure 22 is arranged in the screw hole 21; the lock catch base 3 is provided with a lock hole 31 and a lock tooth buckle 32, and the lock tooth buckle 32 is a one-way upward-moving lock tooth buckle.
One end of the adjusting rod 1 is provided with an external thread 11 which can be matched with an internal thread structure 22 in a screw hole 21 on the screw hole base 2; the other end of the adjusting rod 1 is provided with a handle 13 which is convenient to operate and can be designed into a cylindrical shape, a spindle shape, a disc shape or a circular ring shape without limitation; the middle part of the adjusting rod is provided with a locking tooth 12, the locking tooth 12 is a one-way locking tooth, the locking tooth 12 penetrates through a lock hole 31 on the lock catch base 3 and clamps the locking tooth 12 through a locking tooth buckle 32 in the lock hole 31, and the adjusting rod 1 can be pulled or rotated, so that the distance between the left base band 4 and the right base band 5 can be adjusted.
One is adjusted pole 1 and is passed a screw base 2 and the hasp base 3 that corresponds with this screw base 2 simultaneously, and after having installed, a plurality of regulation poles 1 parallel arrangement, and two adjacent regulation poles 1 opposite direction, two adjacent handle 13 of adjusting pole 1 are located the left and right sides respectively promptly.
Referring to the attached drawing 12, when the invention is used, the release protection paper 6 of the adhesive layer is slightly torn off, the left base belt 4 and the right base belt 5 are respectively adhered to two sides of the wound 7, the left base belt 4 and the right base belt 5 are lightly pressed by hands to be firmly adhered, one hand slightly presses the lock catch base 3, the other hand pulls the adjusting rod 1 to operate in sequence, the distance between the left base belt 4 and the right base belt 5 is adjusted to drive the wound to gather, the purpose of suturing the wound 7 is achieved, the gathering of wound tissues enables the skin edges of the wound to be outwards turned and tissues to be wrinkled, and the formation of scars can be reduced. If the wound tissue gathers together too tightly, can adjust pole 1 through the rotation, then adjust the screw 21 that external screw thread 11 on the pole 1 will follow on the screw base 2 and withdraw from, can adjust the degree of tightening up of wound tissue wantonly through helicitic texture's regulatory effect to realize the accurate closure of wound 7 or the regulation of wound closure degree.
In order to realize the left base band 4, the force distribution of the right base band 5 along the long edge direction is even, can be with screw base 2 and hasp base 3 two liang of grouping settings respectively, it is concrete, be provided with the multiunit mounting on left base band 4, right base band 5 respectively, every group mounting includes a screw base 2 and a hasp base 3, connect through the union piece between screw base 2 and the hasp base 3 in every group on left base band 4, connect through the union piece between screw base 2 and the hasp base 3 adjacent in two sets of adjacent on right base band 5, and the crisscross setting of connecting piece on the left base band 4 and the connecting piece on the right base band 5, thereby make left base band 4, right base band 5 not only realized the continuous even transmission of force along long edge, have certain flexibility again, thereby be applicable to some nonlinear type wounds more.
The staggered arrangement of the connectors on the left base band 4 and the connectors on the right base band 5 aims to realize a dynamic pressurization design, namely, during the process that the incision is longitudinally stretched along the length of the incision when a patient moves, the connectors on the left base band 4 and the connectors on the right base band 5 are staggered to provide dynamic pressurization for the wound. Therefore, the noninvasive skin wound closing device can dynamically press the incision in the longitudinal stretching process of the incision, and the safe closing state is always kept in the wound healing process.
As shown in fig. 4, set up to safe district 15 between external screw thread 11 and the lock tooth 12 on the regulation pole 1, safe district 15 does not set up lock tooth or screw thread, so can leave safe distance for between left baseband 4 and the right baseband 5, prevents that left baseband 4 and right baseband 5 from drawing close together completely to for medical personnel leave the space of handling the wound, the observation and the dressing change of the wound healing condition of being convenient for.
The function of this embodiment can also be realized by providing a limit catch (not shown) on the adjustment lever 1 or the latch base 3.
As shown in fig. 5, a groove 111 is formed on the thread teeth of the external thread 11 on the adjusting lever 1, and a clamping protrusion 211 is formed at the end of the screw hole 21 on the screw hole base 2, as shown in fig. 6 and 7, the diameter of the screw hole section where the clamping protrusion 211 is located is increased, and the groove 111 and the clamping protrusion 211 are matched with each other, so that the purpose of preventing the adjusting lever 1 from loosening is achieved.
Wherein, the setting of card suddenly 211 is 1, can set up one or equipartition a plurality of recesses 111 in the last circumference of screw thread tooth, and arbitrary recess 111 is gone into card suddenly 211 back and all can be realized the fixed action. The number of grooves 111 in one circumference determines the ability of the adjustment rod 1 to be finely adjusted, for example: two recesses 111 are provided in one circumference, the minimum fine adjustment capacity of the adjustment rod 1 being half a thread circumference.
When the adjusting rod 1 is manually rotated, the tail end of the external thread 11 can be tilted and rotated (after the groove 111 on the thread tooth rotates over the clamping protrusion 211, the thread tooth rotates from the clamping protrusion 211, the material has flexibility, and the material slightly tilts, so that the diameter of the round hole at the clamping protrusion 211 is increased, the round hole can be tilted, then the clamping protrusion 211 is clamped into the next groove 111 to realize fixation, and so on. In this way, a reduction in wound closure force due to loosening of the threads is prevented, while also allowing for gradual fine adjustment between the left and right base straps 4, 5.
A clearance area 14 is arranged between the handle 13 and the locking tooth 12 on the adjusting rod 1, and the diameter of the clearance area 14 is smaller than the maximum width of the handle 13 and the maximum outer diameter of the locking tooth 12. As shown in fig. 8 and 9, the latch base 3 is configured as a double through hole structure, the latch base is provided with a lock hole 31 and a through hole 33, the aperture of the through hole 33 is slightly larger than the maximum width of the handle 13 on the adjustment lever 1, a first limit protrusion 34 is arranged between the lock hole 31 and the through hole 33, the top of the latch base 3 is provided with a square hole, one side of the square hole is provided with a lock tooth buckle 32, the lock tooth buckle 32 is matched with the lock tooth, the end of the lock tooth buckle 32 is provided with a second limit protrusion 35, the second limit protrusion 35 extends outwards and downwards along the end of the lock tooth buckle 32, the second limit protrusion 35 is positioned right above the first limit protrusion 34, and the distance between the first limit protrusion 34 and the second limit protrusion 35 is slightly larger than the diameter of the gap area 14 on the adjustment lever 1 and is smaller than the maximum outer diameter of the lock tooth 12 on the adjustment. The purpose of this design is for the assembly process is simple and convenient, makes things convenient for workman's assembly, and the distance between two spacing juts is slightly greater than the diameter of interstitial area 14, and is less than the external diameter of handle 13 and lock tooth 12, therefore, can only put regulation pole 1 in lockhole 31 through interstitial area 14.
As shown in fig. 10, during assembly, the handle 13 on the adjustment lever 1 passes through the through hole 33, then the clearance area 14 on the adjustment lever 1 is moved into the lock hole 31 through the gap between the first limit protrusion 34 and the second limit protrusion 35, the handle 13 on the adjustment lever 1 is pulled, and then the lock teeth 12 on the adjustment lever 1 are clamped by the lock teeth buckle 32 on the lock catch base 3, so that the purpose of simple and efficient assembly of the product is achieved.
When the noninvasive skin wound closing device of embodiment 2 is assembled, first, the handle 13 of the adjusting rod 1 is held, the adjusting rod 1 is assembled into the screw hole 21 of the screw hole base 2 through the external thread 12 at one end, then the handle 13 of the adjusting rod 1 passes through the through hole 33 of the lock catch base, the clearance area 14 on the adjusting rod 1 is moved into the lock hole 31 through the clearance between the first limit protrusion 34 and the second limit protrusion 35, the handle 13 on the adjusting rod 1 is pulled, the lock teeth 12 on the adjusting rod 1 are clamped by the lock teeth buckle 32 on the lock catch base 3, then the screw hole base 2 and the lock catch base 3 are respectively adhered to the left base band 4 and the right base band 5, the handles 13 of two adjacent adjusting rods 1 are respectively positioned at the left side and the right side, the base bands themselves can be medical adhesive tapes with adhesive coated on one side, or an adhesive coating process can be added on the adhesive-free base bands to coat adhesive layers, finally, the release type protection paper 6 is pasted to finish the assembly.
The two-way wound closing device for the non-invasive skin wound can realize balanced force application in the parallel direction of the skin on two sides of the wound, and the stress distribution of the skin is uniform in the wound closing and pulling process; meanwhile, the secondary damage to the skin by using needles and threads or skin nails is avoided, the risk of wound infection is reduced, the pain of a patient is reduced, and the hyperplasia of scars can be reduced; the visualization of the wound is beneficial to the ventilation, drainage and dressing change of the wound and the dressing and healing condition observation of the wound skin margin; the application range is wider, and the device can be suitable for closing skin wounds with radian; the operation is simple and convenient, and the tightening degree of the closed wound can be adjusted without the help of external instruments, so that the accurate closing of the skin wound is achieved.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that the above-mentioned technical solution is only one embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be easily made based on the application method and principle of the present invention disclosed, and the method is not limited to the above-mentioned specific embodiment of the present invention, so that the above-mentioned embodiment is only preferred, and not restrictive.
Claims (10)
1. A noninvasive skin wound closing device is characterized by comprising an adjusting rod, a screw hole base, a lock catch base, a left base band, a right base band and an adhesive layer;
the lower surfaces of the left base band and the right base band are respectively provided with the adhesive layers, at least one screw hole base is arranged on the left base band, a screw hole is formed in the screw hole base, and an internal thread structure is arranged in the screw hole; the right base band is provided with at least one lock catch base, and the lock catch base is provided with a lock hole and a lock tooth buckle;
the adjusting rod is at least provided with one, one end of the adjusting rod is provided with an external thread, the external thread is matched with an internal thread structure on the screw hole base, the other end of the adjusting rod is provided with a handle, the middle part of the adjusting rod is provided with a locking tooth, and the locking tooth penetrates through a lock hole in the lock catch base and passes through the locking tooth buckle to be clamped.
2. A noninvasive skin wound closing device is characterized in that the wound closing device is a noninvasive skin wound two-way closing device and comprises an adjusting rod, a screw hole base, a lock catch base, a left base band, a right base band and an adhesive layer;
the lower surfaces of the left base band and the right base band are respectively provided with the adhesive layers, the left base band and the right base band are respectively provided with at least one screw hole base and at least one lock catch base, the screw hole bases and the lock catch bases are arranged at intervals, and the screw hole bases and the lock catch bases on the left base band and the right base band correspond to each other one by one;
the screw hole base is provided with a screw hole, and an internal thread structure is arranged in the screw hole; the lock catch base is provided with a lock hole and a lock tooth buckle;
the one end of adjusting the pole is provided with the external screw thread, the external screw thread with interior helicitic texture in the screw on the screw base cooperatees, the other end of adjusting the pole is provided with the handle, the mid portion of adjusting the pole is provided with the lock tooth, the lock tooth passes lockhole on the hasp base and pass through lock tooth buckle blocks, one it passes one simultaneously to adjust the pole screw base and correspond with this screw base the hasp base, it is a plurality of adjust pole parallel arrangement, and adjacent two the handle of adjusting the pole is located the left and right sides respectively.
3. The non-invasive skin wound closure device according to claim 1 or 2, wherein the screw hole bases correspond to the locking bases one to one, one of the adjustment levers simultaneously passes through one of the screw hole bases and the locking base corresponding to the screw hole base, and a plurality of the adjustment levers are arranged in parallel.
4. The non-invasive skin wound closure device according to claim 1 or 2, wherein the locking tooth catch is a one-way locking tooth catch, and the locking tooth is a one-way locking tooth.
5. The non-invasive skin wound closure device according to claim 1, wherein the screw hole bases on the left base band are arranged in groups of two by two, and the two screw hole bases in each group on the left base band are connected by a first connecting member;
the lock catch bases on the right base band are arranged in groups two by two, adjacent two lock catch bases in two adjacent groups on the right base band are connected through a second connecting piece, and the first connecting piece and the second connecting piece are arranged in a staggered mode.
6. The non-invasive skin wound closure device according to claim 2, wherein the screw hole bases and the locking bases on the left base band are grouped two by two, and the screw hole bases and the locking bases in each group on the left base band are connected by a connecting piece;
the screw hole base and the lock catch base on the right base band are arranged in groups two by two, the screw hole base and the lock catch base which are adjacent in two groups on the right base band are connected through a connecting piece, and the connecting piece on the left base band and the connecting piece on the right base band are arranged in a staggered mode.
7. The non-invasive skin wound closure device according to claim 1 or 2, wherein a safety zone is provided between the external thread and the locking teeth on the adjustment lever.
8. The noninvasive skin wound closing device according to claim 1 or 2, wherein a groove is provided on the thread tooth of the external thread on the adjusting rod, a clamping protrusion is provided at the end of the screw hole on the screw hole base, and the groove and the clamping protrusion are mutually matched;
the number of the clamping protrusions is 1, and one or a plurality of uniformly distributed grooves can be formed in one circumference of the thread tooth.
9. The non-invasive skin wound closure device according to claim 1 or 2, wherein a clearance area is provided between the handle and the locking tooth on the adjustment lever, and the diameter of the clearance area is smaller than the maximum width of the handle and the maximum outer diameter of the locking tooth;
be provided with on the hasp base lockhole and through-hole, the aperture of through-hole is greater than adjust the maximum width of the handle on the pole, the lockhole with be provided with first spacing arch between the through-hole, the top of hasp base is provided with a square hole, wherein one side of square hole is equipped with the lock tooth buckle, the lock tooth buckle with the lock tooth cooperatees, the tip of lock tooth buckle is equipped with the spacing arch of second, the spacing arch of second is along the tip of lock tooth buckle is outside and downwardly extending simultaneously, the spacing arch of second is located directly over the first spacing arch, first spacing arch with distance between the spacing arch of second is greater than adjust the diameter in space district on the pole, and is less than adjust the maximum external diameter of lock tooth on the pole.
10. A method of using the non-invasive skin wound closure device of claim 1 or 2, comprising in particular:
the left base band and the right base band are respectively stuck to two sides of a wound, the left base band and the right base band are lightly pressed by hands to be firmly stuck, one hand lightly presses the lock catch base, the other hand pulls the adjusting rod to operate in sequence, and the wound is driven to gather by adjusting the distance between the left base band and the right base band, so that the purpose of suturing the wound is achieved; if the wound tissue is gathered together too tightly, through the rotatory regulation pole, the external screw thread on the regulation pole will withdraw from in the screw on the screw base, adjusts wound tissue's tightening degree wantonly through helicitic texture's regulation effect to realize the accurate closure of wound or the regulation of wound closure degree.
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| CN202110400795.5A CN113081120A (en) | 2021-04-14 | 2021-04-14 | Noninvasive skin wound closing device and using method thereof |
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| CN202110400795.5A CN113081120A (en) | 2021-04-14 | 2021-04-14 | Noninvasive skin wound closing device and using method thereof |
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| CN113812995A (en) * | 2021-10-19 | 2021-12-21 | 青丽康医疗科技(苏州)有限公司 | Bearded needle pull rod type skin stretching closer |
| CN113812994A (en) * | 2021-10-19 | 2021-12-21 | 青丽康医疗科技(苏州)有限公司 | Flexible skin stretching closer |
| CN113907978A (en) * | 2021-10-08 | 2022-01-11 | 蒋永胜 | Head prone type support for postoperative recovery of ophthalmic retina |
| CN115089249A (en) * | 2022-08-24 | 2022-09-23 | 上海执中医疗技术有限公司 | Skin incision closing device |
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