CN220385194U - Anti-toppling skin stretching device - Google Patents
Anti-toppling skin stretching device Download PDFInfo
- Publication number
- CN220385194U CN220385194U CN202321565410.1U CN202321565410U CN220385194U CN 220385194 U CN220385194 U CN 220385194U CN 202321565410 U CN202321565410 U CN 202321565410U CN 220385194 U CN220385194 U CN 220385194U
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- hole
- winding shaft
- toppling
- traction
- outer cylinder
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- 238000004804 winding Methods 0.000 claims abstract description 102
- 230000000903 blocking effect Effects 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 9
- 239000012528 membrane Substances 0.000 claims description 3
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 1
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Surgical Instruments (AREA)
Abstract
The utility model discloses an anti-toppling skin stretching device, which comprises: wire winding mechanism, wire winding mechanism includes: the winding shaft outer cylinder and the winding shaft with the lower end arranged in the winding shaft outer cylinder are provided with a first hole and a second hole, and the winding shaft is provided with a third hole which penetrates through the first hole and the second hole; the traction wire is provided with a clamping part at one end, the outer diameter of the clamping part is smaller than that of the first hole, and the outer diameter of the clamping part is larger than that of the third hole; the first traction plate and the second traction plate are oppositely arranged, the winding shaft outer cylinder of the winding mechanism is detachably arranged on the first traction plate, the first traction plate is provided with a blocking part for blocking the winding mechanism, a fourth hole is formed in the blocking part, and the second traction plate is provided with a fixing part for fixing a traction wire. According to the utility model, the winding mechanism is arranged at one side and is blocked by the blocking part of the first traction plate, so that the winding mechanism is prevented from toppling over.
Description
Technical Field
The utility model relates to the technical field of skin retractors, in particular to an anti-toppling skin retractor.
Background
Soft tissue defects of the skin are clinically common surgical problems for a number of reasons including tumors, scars, trauma, inflammation, surgery, lesions in the skin itself, and the like. Under the condition that the tension of the wound edge of the skin is large and the skin can not be directly sutured, the skin is usually repaired by adopting a skin grafting or skin flap transferring mode. The skin stretching technology developed in recent years utilizes the looseness and extensibility of skin, and uses a stretching device to stretch the skin edges at two sides of a wound towards the center so as to achieve the purposes of gradually shrinking the wound and finally suturing and eliminating the wound surface.
CN113995524a discloses a skin stretching device capable of simultaneously using negative pressure suction, which comprises: a porous hose arranged in a first direction; at least a portion of the base dressing is in contact with the porous hose; the stretching wire is arranged along a second direction intersecting the first direction, one end of the stretching wire is connected with the traction plate, and the traction plate is connected with the skin; the winding mechanism includes: the winding shaft outer cylinder is arranged above the bottom dressing, the lower end of the winding shaft outer cylinder is arranged in the winding shaft, and the knob is matched with the upper end of the winding shaft, wherein the winding shaft outer cylinder is provided with a wire outlet, the other end of the tension wire is connected with the winding shaft through the wire outlet, and one end of the tension wire moves towards the winding shaft or one end of the tension wire is allowed to move away from the winding shaft through rotating the winding shaft.
However, because the winding mechanism is arranged in the middle part, the winding mechanism is subjected to the pulling force of the stretching wires at two sides, and in the pulling process, the pulling force of the two side wires is unequal, and the center of gravity of the winding mechanism is higher, so that the winding mechanism is easy to topple.
Disclosure of Invention
Accordingly, the present utility model is directed to a toppling prevention skin retractor.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an anti-toppling skin retractor, comprising:
the wire winding mechanism, wire winding mechanism includes: the winding shaft comprises a winding shaft outer cylinder and a winding shaft, wherein the lower end of the winding shaft is arranged in the winding shaft outer cylinder, a first hole and a second hole are formed in the winding shaft outer cylinder, and a third hole which penetrates through the winding shaft is formed in the winding shaft;
a clamping part is arranged at one end of the traction wire, the outer diameter of the clamping part is smaller than that of the first hole, and the outer diameter of the clamping part is larger than that of the third hole;
the first traction plate and the second traction plate are oppositely arranged, the winding shaft outer cylinder of the winding mechanism is detachably arranged on the first traction plate, the first traction plate is provided with a blocking part for blocking the winding mechanism, the blocking part is provided with a fourth hole, and the second traction plate is provided with a fixing part for fixing a traction wire.
The anti-toppling skin stretching device, wherein the other end of the traction wire sequentially penetrates through the first hole, the third hole, the second hole and the fourth hole and is fixedly connected with the fixing part;
the clamping part of the traction wire passes through the first hole and is clamped at the third hole.
The anti-toppling skin stretching device is characterized in that a sliding groove is formed in the first traction plate, a sliding block is arranged at the lower end of the winding shaft outer cylinder, and the sliding block is arranged in the sliding groove.
The anti-toppling skin retractor is characterized in that the sliding groove is connected with the blocking part.
The anti-toppling skin retractor is characterized in that the side surface of the winding shaft outer cylinder abuts against the blocking part.
The anti-toppling skin retractor, wherein the blocking portion is of an arc-shaped platy structure.
The anti-toppling skin stretching device is characterized in that a fifth hole is formed in the fixing portion, and the other end of the traction wire penetrates through the fifth hole.
The anti-toppling skin stretching device is characterized in that a plurality of fixing grooves are further formed in the side face of the fixing portion, and the other end of the traction wire penetrates through the fifth hole and is clamped in the fixing grooves.
The anti-toppling skin retractor further comprises: and the middle part of the traction wire is arranged on the backing plate.
The anti-toppling skin stretching device comprises a winding mechanism, wherein the winding mechanism further comprises a knob matched with the upper end of the winding shaft, and the traction wire is wound on the winding shaft by rotating the winding shaft;
wherein, the winding shaft is provided with a ratchet wheel; the winding shaft outer cylinder is provided with a pawl hole; the ratchet wheel is positioned at the pawl hole; a pawl is further arranged on the winding shaft outer cylinder; the pawl is connected with the winding shaft outer cylinder through an elastic piece or an elastic part, or one side wall of the pawl hole extends to the other side wall of the pawl hole to form the pawl; the pawl is located at the pawl hole and matches the ratchet wheel.
The anti-toppling skin retractor, wherein the winding mechanism further comprises:
and the sealing ring is arranged between the winding shaft outer cylinder and the winding shaft.
The anti-toppling skin retractor further comprises: a negative pressure suction system, the negative pressure suction system comprising:
a base dressing;
a porous hose disposed within the base dressing, wherein the first traction plate and the second traction plate are disposed on both sides of the porous hose, respectively;
a negative pressure source connected to the porous hose;
a semipermeable membrane covering the skin, the first traction plate and the second traction plate.
The utility model adopts the technology, so that compared with the prior art, the utility model has the positive effects that:
(1) According to the utility model, the winding mechanism is arranged at one side and is blocked by the blocking part of the first traction plate, so that the winding mechanism is prevented from toppling over.
(2) The winding mechanism only receives one side of traction force, and is not easy to turn over, twist and invade.
Drawings
Fig. 1 and 2 are schematic views of the anti-toppling skin retractor of the present utility model.
Fig. 3 is a schematic view of the spool of the anti-toppling skin retractor of the present utility model.
Fig. 4 is a schematic view of a second traction plate of the anti-toppling skin retractor of the present utility model.
Fig. 5 and 6 are schematic cross-sectional views of the anti-toppling skin retractor of the present utility model.
Fig. 7 is a schematic view of a first traction plate of the anti-toppling skin retractor of the present utility model.
Fig. 8 is a schematic view of the chute and slider of the anti-toppling skin retractor of the present utility model.
In the accompanying drawings: 1. a spool outer tube; 11. a slide block; 12. a pawl; 2. a spool; 21. a ratchet wheel; 3. a knob; 4. a traction wire; 41. a locking part; 5. a first traction plate; 51. a blocking portion; 52. a chute; 6. a second traction plate; 61. a fixing part; 611. a fixing groove; 7. a backing plate; 91. a first hole; 92. a second hole; 93. a third hole; 94. a fourth hole; 95. and a fifth hole.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "transverse," "vertical," and the like are used for convenience in describing the present utility model based on the orientation or positional relationship shown in the drawings, and do not denote or imply that the device or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, "horizontal" and "vertical" are used to describe a general positional relationship, and are not strictly "horizontal" or "vertical".
Referring to fig. 1-8, there is shown a toppling prevention skin retractor of a preferred embodiment, comprising: wire winding mechanism, wire winding mechanism includes: the spool outer cylinder 1 and spool 2 of the inside of spool outer cylinder 1 are located to the lower extreme, and spool 2 can rotate and fix for spool outer cylinder 1, wherein, has seted up first hole 91 and second hole 92 on the spool outer cylinder 1, has seted up the third hole 93 that runs through on the spool 2.
Further, as a preferred embodiment, the anti-toppling skin stretcher further comprises: the traction wire 4, one end of the traction wire 4 is provided with a locking part 41, the outer diameter of the locking part 41 is smaller than that of the first hole 91, and the outer diameter of the locking part is larger than that of the third hole 93, so that the locking part 41 can penetrate through the winding shaft outer cylinder 1 and be locked at the winding shaft 2.
Further, as a preferred embodiment, the anti-toppling skin stretcher further comprises: the first traction plate 5 and the second traction plate 6 are oppositely arranged, the winding shaft outer cylinder 1 of the winding mechanism is detachably arranged on the first traction plate 5, the first traction plate 5 is provided with a blocking part 51 for blocking the winding mechanism, the blocking part 51 is provided with a fourth hole 94, and the second traction plate 6 is provided with a fixing part 61 for fixing the traction wire 4.
Preferably, suture holes are formed in both the first traction plate 5 and the second traction plate 6.
Specifically, grooves are formed in the first traction plate 5 and the second traction plate 6, and suture holes penetrating up and down are further formed in the grooves.
More specifically, a negative pressure suction system may also be provided. The negative pressure suction system comprises a base dressing and a porous hose arranged in the base dressing, wherein the first traction plate 5 and the second traction plate 6 are respectively arranged on two sides of the porous hose.
More specifically, the negative pressure source is connected to a porous hose.
In particular, a semipermeable membrane may also be provided, which may cover the skin, the first traction plate 5 and the second traction plate 6.
Further, as a preferred embodiment, the other end of the traction wire 4 sequentially penetrates the first hole 91, the third hole 93, the second hole 92, and the fourth hole 94 and is fixedly connected to the fixing portion 61.
Further, as a preferred embodiment, the locking portion 41 of the traction wire 4 passes through the first hole 91 and is locked at the third hole 93.
Specifically, the outer diameter of the first hole 91 is larger than the outer diameter of the third hole 93, and the outer diameter of the locking portion 41 is between the outer diameter of the first hole 91 and the outer diameter of the third hole 93.
Further, as a preferred embodiment, the first traction plate 5 is provided with a sliding groove 52, the lower end of the spool outer cylinder 1 is provided with a sliding block 11, and the sliding block 11 is arranged in the sliding groove 52.
Specifically, the upper surface of the first traction plate 5 protrudes outwardly to form two oppositely arranged inverted L-shaped structures, which form the sliding grooves 52.
More specifically, the slider 11 has a positive L-shaped structure, and the shape of the slider 11 matches the shape of the chute 52.
Further, as a preferred embodiment, the chute 52 is connected to the blocking portion 51.
More specifically, the chute 52 and the stopper 51 are integrally connected.
Further, as a preferred embodiment, the side surface of the spool outer tube 1 abuts against the stopper 51.
Further, as a preferred embodiment, the blocking portion 51 has an arc-shaped plate-like structure.
Preferably, the spool outer tube 1 has a cylindrical shape, and the stopper 51 has a shape matching the spool outer tube 1.
Further, as a preferred embodiment, the fixing portion 61 is provided with a fifth hole 95, and the other end of the traction wire 4 penetrates the fifth hole 95.
Further, as a preferred embodiment, the side surface of the fixing portion 61 is further provided with a plurality of fixing grooves 611, and the other end of the traction wire 4 penetrates through the fifth hole 95 and is clamped in the fixing grooves 611.
Preferably, the fixing portion 61 has a vertically arranged plate-like structure, the fifth hole 95 is opened in a thickness direction of the fixing portion 61, and the fixing groove 611 is opened at an outer edge of the fixing portion 61.
More preferably, the fixing portion 61 has a fixing groove 611 formed on an upper surface thereof, and at least one fixing groove 611 is formed on each side of the fixing portion 61.
As a possible embodiment, the fixing portion 61 has a substantially triangular shape, and more specifically, the upper surface of the fixing portion 61 has a circular arc shape.
In the above embodiment, the fixing portion 61 is a plate-like structure protruding from the second traction plate 6, and is only one embodiment of the fixing portion 61. In other embodiments, the fixing portion 61 may be a hole formed directly on the second traction plate 6, or another structure extending from the second traction plate 6, or another structure detachably connected to the second traction plate 6, which is mainly for fixing the traction wire, and the structure thereof may be capable of fixing the traction wire.
Further, as a preferred embodiment, the method further comprises: one or more pad plates 7, and the middle part of the traction wire 4 is arranged on the pad plates 7.
Specifically, the pad 7 has an elongated shape, and more specifically, the pad 7 has an arc.
Preferably, a plurality of pads 7 are arranged in a stack to adjust the height of the traction wire 4.
More preferably, the backing plate 7 has a breaking groove thereon.
More preferably, the pad 7 has a first breaking groove extending in a first direction and a second breaking groove extending in a second direction.
Preferably, the pad 7 is arranged above the negative pressure suction system, in particular above the base dressing.
Further, as a preferred embodiment, the winding mechanism further includes a knob 3 matched with the upper end of the winding shaft 2, and the traction wire 4 is wound on the winding shaft 2 by rotating the winding shaft 2.
Wherein, the winding shaft 2 is provided with a ratchet wheel 21; a pawl hole is formed in the winding shaft outer cylinder 1; ratchet 21 is located at the pawl hole; a pawl 12 is also arranged on the winding shaft outer cylinder 1; the pawl 12 is connected with the spool outer cylinder 1 through an elastic piece or an elastic part, or one side wall of the pawl hole extends to the other side wall of the pawl hole to form the pawl 12; pawl 12 is located at the pawl bore and mates with ratchet 21.
By the cooperation of the ratchet 12 and the pawl 21, the rotation of the spool 2 with respect to the spool outer tube 1 is prevented, so that the spool 2 can be fixed after winding.
On the other hand, by lifting the pawl 21, the rotation of the spool 2 relative to the spool outer tube 1 is allowed so that the spool 2 can be released.
Further, as a preferred embodiment, the winding mechanism further includes: the sealing ring is arranged between the winding shafts 2 and the winding shaft outer cylinder 1.
Preferably, the first sealing groove is formed in the spool outer cylinder 1, the second sealing groove is formed in the spool 2, and the sealing ring is arranged in the sealing groove.
More preferably, the shape of the seal ring matches the shape of the seal groove.
More preferably, the longitudinal section of the sealing ring is round, C-shaped or U-shaped, etc.
The sealing ring is specifically used for forming a seal between the winding shaft outer cylinder 1 and the winding shaft 2, especially forming a seal between the lower part of the winding shaft outer cylinder 1 and the lower part of the winding shaft 2, so as to be matched with a negative pressure suction system, and avoid air leakage of the negative pressure suction system between the winding shaft outer cylinder 1 and the winding shaft 2.
More specifically, the seal ring is provided below the ratchet 12 and the pawl 21.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. An anti-toppling skin retractor comprising:
the wire winding mechanism, wire winding mechanism includes: the winding shaft comprises a winding shaft outer cylinder and a winding shaft, wherein the lower end of the winding shaft is arranged in the winding shaft outer cylinder, a first hole and a second hole are formed in the winding shaft outer cylinder, and a third hole which penetrates through the winding shaft is formed in the winding shaft;
a clamping part is arranged at one end of the traction wire, the outer diameter of the clamping part is smaller than that of the first hole, and the outer diameter of the clamping part is larger than that of the third hole;
the first traction plate and the second traction plate are oppositely arranged, the winding shaft outer cylinder of the winding mechanism is detachably arranged on the first traction plate, the first traction plate is provided with a blocking part for blocking the winding mechanism, the blocking part is provided with a fourth hole, and the second traction plate is provided with a fixing part for fixing a traction wire.
2. The anti-toppling skin retractor according to claim 1, wherein the other end of the traction wire penetrates through the first hole, the third hole, the second hole, the fourth hole in sequence and is fixedly connected with the fixing portion;
the clamping part of the traction wire passes through the first hole and is clamped at the third hole.
3. The anti-toppling skin stretching device according to claim 1, wherein a sliding groove is formed in the first traction plate, a sliding block is arranged at the lower end of the winding shaft outer cylinder, and the sliding block is arranged in the sliding groove.
4. The anti-toppling skin retractor according to claim 3, wherein the chute is connected to the barrier;
the side surface of the winding shaft outer cylinder is propped against the blocking part;
the blocking part is of an arc-shaped platy structure.
5. The anti-toppling skin retractor according to claim 1, wherein the fixing portion is provided with a fifth hole, and the other end of the traction wire penetrates through the fifth hole.
6. The anti-toppling skin stretching device according to claim 5, wherein a plurality of fixing grooves are further formed in the side face of the fixing portion, and the other end of the traction wire penetrates through the fifth hole and is clamped in the fixing grooves.
7. The anti-toppling skin retractor of claim 1, further comprising: and the middle part of the traction wire is arranged on the backing plate.
8. The anti-toppling skin retractor according to claim 1, wherein the winding mechanism further comprises a knob that mates with the upper end of the spool, the pull wire being wound onto the spool by rotating the spool;
wherein, the winding shaft is provided with a ratchet wheel; the winding shaft outer cylinder is provided with a pawl hole; the ratchet wheel is positioned at the pawl hole; a pawl is further arranged on the winding shaft outer cylinder; the pawl is connected with the winding shaft outer cylinder through an elastic piece or an elastic part, or one side wall of the pawl hole extends to the other side wall of the pawl hole to form the pawl; the pawl is located at the pawl hole and matches the ratchet wheel.
9. The anti-toppling skin retractor of claim 8, wherein the winding mechanism further comprises:
and the sealing ring is arranged between the winding shaft outer cylinder and the winding shaft.
10. The anti-toppling skin retractor of claim 1, further comprising: a negative pressure suction system, the negative pressure suction system comprising:
a base dressing;
a porous hose disposed within the base dressing, wherein the first traction plate and the second traction plate are disposed on both sides of the porous hose, respectively;
a negative pressure source connected to the porous hose;
a semipermeable membrane covering the skin, the first traction plate and the second traction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565410.1U CN220385194U (en) | 2023-06-19 | 2023-06-19 | Anti-toppling skin stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321565410.1U CN220385194U (en) | 2023-06-19 | 2023-06-19 | Anti-toppling skin stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220385194U true CN220385194U (en) | 2024-01-26 |
Family
ID=89604375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321565410.1U Active CN220385194U (en) | 2023-06-19 | 2023-06-19 | Anti-toppling skin stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220385194U (en) |
-
2023
- 2023-06-19 CN CN202321565410.1U patent/CN220385194U/en active Active
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