CN112263296A - Concentric circular skin stretching closer - Google Patents
Concentric circular skin stretching closer Download PDFInfo
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- CN112263296A CN112263296A CN202011313555.3A CN202011313555A CN112263296A CN 112263296 A CN112263296 A CN 112263296A CN 202011313555 A CN202011313555 A CN 202011313555A CN 112263296 A CN112263296 A CN 112263296A
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- pull rod
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- sliding
- clamping
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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
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Abstract
The invention discloses a concentric circular skin stretching closer which comprises a concentric circular pull rod and two sliding crochet hooks, wherein the concentric circular pull rod is of a semi-annular structure, the number of the sliding crochet hooks is two, the two sliding crochet hooks are arranged on the concentric circular pull rod in a sliding manner, each sliding crochet hook comprises a sliding frame and a plurality of crochet hooks, the crochet hooks are of a C-shaped structure, the sliding frames are sleeved on the concentric circular pull rod in a sliding manner, and the crochet hooks on the two sliding crochet hooks face to each other. This concentric circular skin draws and opens closer walks along concentric circles pull rod through two hook needles that slide and draws skin repeatedly for skin atress is even, protects skin tissue powerfully, can adapt to different limbs diameters simultaneously, can be used to the drawing of the big surface of a wound of four limbs arc, has improved the plane of present drawing and has opened the drawback.
Description
Technical Field
The invention relates to the technical field of skin stretching instruments, in particular to a concentric circular skin stretching closer.
Background
In recent years, in addition to the conventional techniques such as free skin grafting, flap technique, tissue engineering, skin dilatation, stem cell transplantation and the like, the skin stretching technique is increasingly applied to large-area skin soft tissue defects caused by trauma, and good curative effect is achieved. The principle of skin stretch application is to take advantage of the mechanical creep properties of the skin. However, the skin stretching also has more limitations, such as limited stretching degree, unclear limit value of stretching force of each part, dead skin margin after over-stretching, and the like. The reason why the wound surface is distributed on the cylindrical limb, is not on a horizontal plane and has an irregular shape is that the current stretching equipment only adopts plane stretching, which is one of the biggest obstacles for limiting the application of skin stretching operation on the wound surface of the limb.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a concentric circular skin stretching closer, which solves the problem that the existing skin stretching closer is difficult to be applied to stretching of a large arc wound surface.
In order to realize the technical effects, the technical scheme adopted by the invention is as follows:
a concentric circular skin stretching closure comprising:
the concentric circle pull rod is of a semi-annular structure; and
the sliding crochet hook comprises a sliding frame and a plurality of crochet hooks, the crochet hooks are of a C-shaped structure, the sliding frame is slidably sleeved on the concentric circle pull rod, and the crochet hooks on the two sliding crochet hooks face to face.
The concentric circular skin stretching closer repeatedly stretches skin by means of two sliding crochet needles walking along the concentric circular pull rod, so that the skin is stressed uniformly, skin tissues are protected powerfully, the concentric circular skin stretching closer can adapt to different limb diameters, can be used for stretching the arc-shaped large wound surface of four limbs, and overcomes the defect of plane stretching of the conventional stretching device.
Furthermore, a plurality of clamping grooves are uniformly arranged on the side surface of the concentric circle pull rod at intervals along the circumferential direction, the length extending direction of each clamping groove is parallel to the axial direction, the clamping grooves penetrate through the side surface of the concentric circle pull rod, and the sliding crochet hook is inserted into the clamping grooves through the clamping seat assemblies and fixedly arranged on the concentric circle pull rod. The sliding crochet hook is fixed on the concentric circle pull rod by inserting the clamping seat assembly into the clamping groove, so that the sliding of the sliding crochet hook is prevented.
Further, the clamping seat assembly comprises two clamping seats and two cross cap screws, threaded holes are formed in the clamping seats, a plurality of thread fixing holes are formed in the arc-shaped top surface of the concentric circle pull rod at even intervals along the circumferential direction, the thread fixing holes penetrate through the clamping grooves along the radial direction of the concentric circle pull rod and extend to the arc-shaped bottom surface of the concentric circle pull rod, the two clamping seats are respectively inserted into the clamping grooves adjacent to the two sides of the sliding frame, and the cross cap screws are sequentially inserted into the thread fixing holes and the threaded holes to fix the clamping seats on the concentric circle pull rod. The two clamping seats are respectively inserted into the adjacent clamping grooves at two sides of the sliding frame, so that the sliding frame arranged in the middle is fixed by the two clamping seats, and the sliding of the sliding frame on the concentric circle pull rod is prevented.
Further, the card seat assembly also comprises two clamping pieces, and the clamping pieces are used for being inserted into the gap between the card seat and the sliding frame. When the position of the sliding frame is positioned on the clamping grooves, after the two clamping seats are respectively inserted into the adjacent clamping grooves on the two sides of the sliding frame, gaps are still left between the clamping seats and the sliding frame, and the two clamping pieces are respectively inserted into the gaps left on the two sides of the sliding frame so as to fix the sliding frame.
Furthermore, the bone grafting device also comprises two Morse needles, wherein a plurality of groups of Morse needle fixing holes are uniformly arranged on the arc top surface of the concentric circle pull rod along the circumferential direction at intervals, the Morse needle fixing holes penetrate through the concentric circle pull rod along the radial direction, each group of Morse needle fixing holes are arranged between adjacent thread fixing holes, and the Morse needles are used for penetrating through the Morse needle fixing holes and are nailed on the limb bones. Two morse needles are inserted into the morse needle fixing holes and are nailed on the limb skeleton, so that the whole skin stretching closer is fixed.
Furthermore, two fixing holes of each group of the Morse needles are arranged along the axis direction.
Further, the diameter of the concentric pull rod is 12cm, 14cm, 16cm or 20 cm. Aiming at the difference of the circumference of the wound surface of the patient, the concentric circle pull rods with different diameters are selected.
Furthermore, the quantity of the crochet hooks is 2-5, and the 2-5 crochet hooks are arranged on the sliding frame side by side. The skin is drawn by the plurality of crochet hooks simultaneously, the drawing area is increased, subcutaneous tissues are not damaged, and the whole skin layer drawing and stretching effect is better.
The invention has the beneficial effects that: the concentric circular skin stretching closer walks along the concentric circular pull rod through the sliding crochet needle to stretch the skin, so that the skin is stressed uniformly, subcutaneous tissues are not damaged, the skin tissues are cut less, and the skin tissues are protected powerfully; the shape of the concentric circle pull rod is similar to the shape of four limbs, can adapt to different limb diameters, conforms to the shape of the limbs, overcomes the plane stretching defect of the conventional stretching device, and can be used for stretching the arc-shaped large wound surfaces of the four limbs; if tension is not generated after the wound surface is stretched in the operation, the suture can be closed in time; if the wound surface is large, the device can be kept on the wound surface, and the wound surface can be stretched again and repeatedly after the operation until the wound surface is closed without tension, so that the operation times are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
reference numerals:
10-concentric circle pull rod, 11-clamping groove, 12-thread fixing hole, 13-Morse needle fixing hole, 20-sliding hook needle, 21-sliding frame, 22-hook needle, 30-clamping seat component, 31-clamping seat, 32-cross cap screw, 33-threaded hole, 34-clamping piece and 40-Morse needle.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate and imply that the positions or elements referred to must have particular orientations, be constructed and operated in particular ways, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1, the concentric circular skin stretching closer provided by the present invention comprises a concentric circular pull rod 10, two sliding crochet hooks 20, a holder assembly 30 and a sang needle 40, wherein the concentric circular pull rod 10 is in a semi-annular structure, the number of the sliding crochet hooks 20 is two, and the two sliding crochet hooks 20 are slidably disposed on the concentric circular pull rod 10, such that the two sliding crochet hooks 20 can move in opposite directions or in opposite directions on the concentric circular pull rod 10. The sliding crochet hook 20 can be fixed on the concentric pull rod 10 by the catch assembly 30. The sang needle 40 is used for penetrating the concentric circle pull rod 10 from the arc-shaped top surface of the concentric circle pull rod 10 along the radial direction and being inserted and fixed on the limb bone, so as to fix the whole skin stretching closer. Wherein, the concentric circle pull rod 10 is 1cm thick and 4cm wide.
Referring to fig. 2, the sliding crochet hook 20 includes a sliding frame 21 and a plurality of crochet hooks 22, the crochet hooks 22 are C-shaped, the sliding frame 21 is slidably sleeved on the concentric circle pull rod 10, and the crochet hooks 22 on the two sliding crochet hooks 20 are oppositely arranged. The quantity of crochet hook 22 is 2-5, and 2-5 crochet hooks 22 set up side by side on gliding frame 21 for a plurality of crochet hooks 22 tractive skin simultaneously, increase tractive area can not destroy subcutaneous tissue, and better to the skin full-thickness stretch effect, powerful protection skin tissue. Wherein, the thickness of the hollow structure in the slide frame 21 is 1.2cm, and the width is 4.2 cm. The diameter of the crochet hook 22 is 2 mm.
The side of the concentric circle pull rod 10 is provided with a plurality of clamping grooves 11 at intervals along the circumferential direction, the length extending direction of the clamping grooves 11 is parallel to the axial direction, the clamping grooves 11 penetrate through the side of the concentric circle pull rod 10, the thickness of each clamping groove 11 is 0.6cm, and the width of each clamping groove 11 is 4 cm. The arc top surface of the concentric circle pull rod 10 is provided with a plurality of thread fixing holes 12 at even intervals along the circumferential direction, the thread fixing holes 12 penetrate through the clamping groove 11 along the radial direction of the concentric circle pull rod 10 and extend to the arc bottom surface of the concentric circle pull rod 10, and the sliding crochet hook 20 is fixedly arranged on the concentric circle pull rod 10 in the clamping groove 11 through the clamping seat component 30 in an inserting mode.
Specifically, the clamping seat assembly 30 includes two clamping seats 31 and two cross-cap screws 32, and the number of the clamping seats 31 and the number of the cross-cap screws 32 are two. Threaded holes 33 are formed in the clamping seats 31, the two clamping seats 31 can be respectively inserted into the clamping grooves 11 adjacent to two sides of the sliding frame 21, after the clamping seats 31 are inserted into the clamping grooves 11, the threaded holes 33 in the clamping seats 31 correspond to the threaded fixing holes 12 in the positions of the clamping grooves 11, and the cross-shaped cap screws 32 are sequentially inserted into the threaded fixing holes 12 and the threaded holes 33 to fix the clamping seats 31 on the concentric circle pull rod 10. The width of the clamping seat 31 is 5cm, and the width of each side of the clamping seat 31 after penetrating through the clamping groove 11 is wider than 100.5cm of the concentric round pull rod. When the position of the sliding frame 21 is between two adjacent slots 11, the two card holders 31 are respectively inserted into the two adjacent slots 11 on two sides of the sliding frame 21, so that the sliding frame 21 arranged in the middle is fixed by the two card holders 31, and the sliding frame 21 is prevented from sliding on the concentric pull rod 10.
In this embodiment, the card seat assembly 30 further includes two cards 34, and the cards 34 are used for being inserted into the gap between the card seat 31 and the sliding frame 21. When the position of the sliding frame 21 is on the card slot 11, after the two card holders 31 are respectively inserted into the adjacent card slots 11 on both sides of the sliding frame 21, a gap is still left between the card holders 31 and the sliding frame 21, and the two cards 34 are respectively inserted into the gap left on both sides of the sliding frame 21, so as to fix the sliding frame 21.
In this embodiment, the number of the morse needles 40 is two, a plurality of sets of morse needle fixing holes 13 are uniformly arranged on the arc-shaped top surface of the concentric circle pull rod 10 at intervals along the circumferential direction, the morse needle fixing holes 13 penetrate through the concentric circle pull rod 10 along the radial direction, each set of morse needle fixing holes 13 is arranged between adjacent thread fixing holes 12, two morse needle fixing holes 13 are arranged along the axial direction, and the morse needles 40 are used for being nailed on the limb skeleton after penetrating through the morse needle fixing holes 13. The two morse needles 40 are inserted into the limb bones through the morse needle fixing holes 13 to fix the whole skin stretching closer by selecting the morse needle fixing holes 13 at proper positions. Two sang's needles 40 are inserted into the sang's needle fixing holes 13 from different directions and matched with the concentric round pull rod 10 to play a role in triangle stabilization, the traction closer is retained on a wound surface, and the wound surface can be subjected to traction again and repeatedly during dressing change after operation until the wound surface is closed without tension, so that the operation times are reduced.
In this embodiment, because this skin draws and opens closer has concentric circles line structure, not only be used for four limbs wound, for example human trunk both sides skin soft tissue defect back, according to the particular case, can use the device to draw and open, can be effectively less in earlier stage to this dissection position repair difficult inconvenient problem.
In this embodiment, in order to match the size of the circumference of the thigh, the calf, the upper arm and the forearm of the patient, the diameter of the concentric circle pull rod 10 is 12cm, 14cm, 16cm or 20cm respectively, so that the concentric circle pull rod is more fit when in use.
The working principle of the invention is as follows: when in use, the wound surface size of four limbs is firstly determined, and if the wound surface is larger, the skin stretching closer is applied. And selecting the concentric circular skin stretching closer corresponding to the circumference according to the circumference condition of the limb. After the pull rod 10 with the concentric circle with the corresponding diameter is selected, the sliding crochet hook 20 is vertically penetrated into the whole layer of the skin at the position 0.5-1cm away from the outer side of the edge of the wound surface, the sliding crochet hook 20 slides towards the middle of the wound surface, the skin is continuously stretched for 4min, the stretching device is loosened for 1min, the operation period is 1, the magnitude of the traction force is judged according to the color of the flap in the operation, and the operation is repeatedly circulated for 30min-60 min.
If the wound surface can be closed without tension after traction, the concentric circular skin traction closer is dismantled, and the suture line discontinuously closes the wound surface; if the wound surface is large, the skin stretching closer can be kept above the wound surface. Two clamping seats 31 are respectively inserted into two adjacent clamping grooves 11 at two sides of the sliding crochet hook 20, then cross cap screws 32 are sequentially inserted into the thread fixing holes 12 and the fixing holes to fix the clamping seats 31 on the concentric circle pull rod 10, if the position of the sliding crochet hook 20 is on the position of the clamping groove 11, a clamping piece 34 is required to be inserted between the sliding frame 21 and the clamping seats 31; after the sliding crochet hook 20 is fixed on the concentric circle pull rod 10, the two sang needle fixing holes 13 at the proper positions are selected to respectively fix two sang needles 40 on the limb bones so as to fix the whole traction and expansion closer. After operation, the skin is stretched at any time by the bedside according to the skin tension condition until the wound surface is closed without tension.
The invention has the beneficial effects that: the concentric circular skin stretching closer walks along the concentric circular pull rod 10 through the sliding crochet hook 20 to stretch the skin, does not damage subcutaneous tissues, is uniformly stressed, cuts less skin tissues and powerfully protects the skin tissues; the shape of the concentric circle pull rod 10 is similar to the shape of four limbs, can adapt to different limb diameters, conforms to the shape of the limbs, overcomes the plane tension defect of the existing tension device, and can be used for tension of arc-shaped large wound surfaces of the four limbs; if tension is not generated after the wound surface is stretched in the operation, the suture can be closed in time; if the wound surface is large, the device can be kept on the wound surface, and the wound surface can be stretched again and repeatedly after the operation until the wound surface is closed without tension, so that the operation times are reduced.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. A concentric circular skin stretching closure, comprising:
the concentric circle pull rod is of a semi-annular structure; and
the quantity of crochet hook slides is two, and two crochet hook slidable settings are on the concentric circles pull rod, the crochet hook that slides includes gliding frame and a plurality of crochet hook, the shape of crochet hook is C shape structure, gliding frame slidable cover is established on the concentric circles pull rod, and the orientation of the crochet hook on two gliding crochet hooks sets up in opposite directions.
2. The concentric circular skin stretching closure device according to claim 1, wherein: the side of the concentric circle pull rod is provided with a plurality of clamping grooves at intervals along the circumferential direction, the length extending direction of the clamping grooves is parallel to the axial direction, the clamping grooves penetrate through the side of the concentric circle pull rod, and the sliding crochet hook is inserted into the clamping grooves through the clamping seat assembly and fixedly arranged on the concentric circle pull rod.
3. The concentric circular skin stretching closure device according to claim 2, wherein: the clamping seat assembly comprises two clamping seats and cross cap screws, the quantity of the clamping seats and the quantity of the cross cap screws are two, threaded holes are formed in the clamping seats, a plurality of thread fixing holes are formed in the arc top surface of the concentric circle pull rod at uniform intervals along the circumferential direction, the thread fixing holes penetrate through the clamping grooves along the radial direction of the concentric circle pull rod and extend to the arc bottom surface of the concentric circle pull rod, the two clamping seats are respectively inserted into the clamping grooves adjacent to the two sides of the sliding frame, and the cross cap screws are sequentially inserted into the thread fixing holes and the threaded holes to fix the clamping seats on the concentric circle pull rod.
4. The concentric circular skin stretching closure device according to claim 3, wherein: the clamping seat assembly further comprises two clamping pieces, and the clamping pieces are used for being inserted into a gap between the clamping seat and the sliding frame.
5. The concentric circular skin stretching closure device according to claim 4, wherein: the bone-knitting machine is characterized by further comprising two Morse needles, a plurality of groups of Morse needle fixing holes are uniformly formed in the arc-shaped top surface of the concentric circle pull rod along the circumferential direction in a spaced mode, the Morse needle fixing holes penetrate through the concentric circle pull rod along the radial direction, each group of Morse needle fixing holes are formed between adjacent thread fixing holes, and the Morse needles are used for penetrating through the Morse needle fixing holes and are nailed on limb bones.
6. The concentric circular skin stretching closure device according to claim 5, wherein: two fixing holes of each group of the Morse needles are arranged along the axis direction.
7. The concentric circular skin stretching closer according to any one of claims 1-6, wherein: the diameter of the concentric pull rod is 12cm, 14cm, 16cm or 20 cm.
8. The concentric circular skin stretching closure device according to claim 1, wherein: the quantity of crochet hook is 2-5, and 2-5 crochet hooks are arranged on the sliding frame side by side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313555.3A CN112263296B (en) | 2020-11-20 | 2020-11-20 | Concentric circular skin stretching closer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011313555.3A CN112263296B (en) | 2020-11-20 | 2020-11-20 | Concentric circular skin stretching closer |
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| CN112263296A true CN112263296A (en) | 2021-01-26 |
| CN112263296B CN112263296B (en) | 2022-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113796909A (en) * | 2021-10-21 | 2021-12-17 | 青丽康医疗科技(苏州)有限公司 | Hook needle pull strip type skin stretching closer |
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