CN211243761U

CN211243761U - Bow-string traction skin tearing system

Info

Publication number: CN211243761U
Application number: CN201821794952.5U
Authority: CN
Inventors: 邓宇
Original assignee: Bengbu Huaiyang Biomedical Technology Co ltd
Current assignee: Hu Xueqiao
Priority date: 2018-11-02
Filing date: 2018-11-02
Publication date: 2020-08-14
Anticipated expiration: 2028-11-02

Abstract

A bowstring traction skin-tearing system is characterized in that a half bow (2) with a cylinder (11) is inserted into a tube cavity (9) of the other half bow, a tube fixing hole (10) and a column fixing hole (12) are corrected and fixed by a fixing bolt (13), a double cable (1) penetrates through two bow feet (4) cable holes (5), the double cables at two ends of the bow feet are fixed by a transverse 8 buckle (3), and when traction force needs to be increased, the transverse 8 buckle is filled in the cable between the fixed transverse 8 buckle and the bow feet. The cable is made of metal, the diameter is 1-5mm, and the length is 5-50 cm; one end of the cable is provided with a guide pin (6), the near end of the guide pin is a cylinder with the diameter of 1-5mm and the length of 2-5 cm; the guide needle has elasticity and can be pre-bent, and the far end is provided with a double-angle single-peak needle (8). The half bow is half of the bow, and the radian is set to be 0-90 degrees; wherein, the proximal end of one half is provided with a hollow tube cavity (9), the inner diameter is 5-20mm, 1-3 tube fixing holes (10) are arranged on the hollow tube cavity, and the distance between the holes is 1-5 cm; the other half of the bow near end is a cylinder (11) provided with 4-10 column fixing holes (12) with the distance of 1-5 cm.

Description

Bow-string traction skin tearing system

Technical Field

The utility model relates to a traction skin-tearing system applied to clinical orthopedics department and used for skin defect, belonging to medical equipment. It is a special equipment for pulling skin by applying to human skin defect. The application of the device can not only achieve the purpose of pulling the skin at the skin defect position to pull the skin to close the incision, but also avoid the skin taking and grafting operation of the patient.

Background

At present, people are often injured in activities such as work, travel and the like. With the rapid development of mechanization of various industries in the society, the injury is more and more serious. Especially, four limbs are injured, which causes severe damage, and mild fracture, soft tissue and skin injury necrosis. Various internal and external fixation options exist for bone fractures. Soft tissue defects, particularly skin necrosis defects, often afflict medical personnel.

Prior to the advent of VSD technology, patients with skin defects were distressed. During treatment, infection of affected parts cannot be controlled, and soft tissues are necrotized to cause amputation. With the advent of VSD technology, treatment of patients with skin defects was significantly improved, but ultimately, skin grafts were still required to restore the wound.

According to the ductility of the skin, a traction skin tearing system special for skin defects is developed to reduce the pain of patients caused by the operation modes. And is a long-felt desire by the medical community and by patients.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a minimally invasive surgery technology. The bowstring traction skin tearing system can not only achieve the purpose of pulling skin at the skin defect position to close the incision, but also avoid the skin taking and grafting operation of a patient, and can be combined with VSD to nurse the wound surface, so that a new operation method is researched and designed.

In order to achieve the above object, the utility model adopts the following technical scheme:

a bow string traction skin-tearing system is characterized in that a half bow (2) with a cylinder (11) is inserted into a tube cavity (9) of the other half bow, a tube fixing hole (10) and a column fixing hole (12) are corrected and fixed by a fixing bolt (13), a double cable (1) penetrates through cable holes (5) of two bow feet (4), the double cables at two ends of the bow feet are fixed by a transverse 8 buckle (3), and when traction force needs to be increased, the transverse 8 buckle is filled in the cable between the fixed transverse 8 buckle and the bow feet; the half bow foot is provided with a cable hole; the two ends of the transverse 8 buckle are provided with buckle gaps (7). The cable is made of metal, the diameter of the cable is 1-5mm, and the length of the cable is 5-50 cm. One end of the cable is provided with a guide pin (6), the diameter of the near end of the guide pin is 1-5mm, and the length of the near end of the guide pin is 2-5 cm. The guide needle has elasticity and can be pre-bent, and the far end is provided with a double-angle single-peak needle (8). The half bow is half of the bow, and the radian is set to be 0-90 degrees. Wherein, the proximal end of one half is provided with a hollow tube cavity (9) with the inner diameter of 5-20mm, 1-3 tube fixing holes are arranged on the hollow tube cavity, and the distance between the holes is 1-5 cm. The other half of the bow near end is a cylinder, 4-10 column fixing holes are arranged on the cylinder, and the distance between the holes is 1-5 cm. The other end of the half bow is provided with a bow foot which is cylindrical or rectangular, the length is 5-20mm, and the diameter is 4-10 mm. The bow foot is provided with 2 cable holes with the diameter of 1-5mm and the distance of 3-10 mm. The horizontal 8-shaped buckle is in an 8-shaped shape. The inner diameter is 2-8mm, the length is 6-20mm, the height is 4-10mm, and the width is 2-10 mm. The height of the buckle notch is 1-6 mm.

The utility model discloses a theory of operation does:

after the patient is successfully anesthetized, the wound is disinfected and paved by a conventional method. And (3) debridement of the wound, namely, inserting the cable with the guide pin into the needle from the longest diameter end of the oval wound, and sewing the whole layer of the cable with the guide pin at a position of 1cm outside the edge of the wound skin. The cables of the stitch inlet point and the stitch outlet point are crossed. The intersection is located intradermally. The outer skin of the two ends of the cable penetrates out of the cable hole of the semi-arch foot, the two semi-arch feet are inserted and connected with the fixing hole for fixing, and the arch diameter is selected according to the longest diameter of the wound. The traction cable is suitable for the gravity of the wound skin, and the transverse 8 buckles fix the cable. Dressing the wound, or installing VSD negative pressure suction on the wound. According to the gravity of the skin of the wound, another transverse 8 buckle is arranged between the original transverse 8 buckle and the semi-arch foot every day, and the buckle gap is clamped and closed. Until the wound is closed, the bowstring traction skin tearing system is removed, and the wound is sutured and bandaged.

The efficacy and effect are as follows:

the components such as a cable, a half arch, a transverse 8 buckle, an arch foot and the like in the arch-string traction skin-tearing system are combined together organically, and the traction force of an arch back consisting of the two half arches and the inward tension force of the double cable act on the skin defect part according to the perfect combination of the expressed characteristics of the physiology, the physics and the molecular biology of the skin, and the acting force is soft and continuous; human organs are different and mechanical, and can not be dragged by hard pulling, the prior art is that a metal bar of a medical appliance is implanted into musculoskeletal joint skin, a screw nut is used for screwing the metal bar into the musculoskeletal joint skin to be used as pulling force, the skin is stretched and thinned in the initial stage of screwing the nut, and cells, capillaries and biomolecules on the skin are extruded and dragged to different degrees to influence the growth of the skin; the skin is loosened at the later stage of screwing the nut, and the skin growth is also influenced; when the medical instrument metal rod is implanted into the musculoskeletal junction skin, so that not only can the body be damaged for many times, but also the treatment time is prolonged, the dosage is increased, and the side effect is increased due to the increase of the dosage; compared with the prior art, the utility model has the advantages that the carried technical effect is uniform and continuous, the skin can be adjusted to bear the best acting force, the skin growth can be promoted, the dosage is reduced, and the treatment time is shortened.

II, (I) safety: the newly designed bowstring traction skin-tearing system cable with the guide pin is sewn by 1cm outside the skin edge, the skin traction force is balanced, and the skin cannot be torn and the blood supply of the skin cannot be damaged. Secondly, make things convenient for wound nursing to can select VSD negative pressure to attract according to the wound condition, protect the surface of a wound. Convenient installation and no complications of various previous operations.

(II) effectiveness: the bow-string design of the utility model adopts the bow-string traction principle. The cable is a string, and generates pulling force under the support of the bow, so that the acting force of the skin edge is balanced. The horizontal 8-fastener design is beneficial to regularly tightening cables, slowly extending skin and closing wound surfaces. The bow-shaped spreading design is beneficial to wound surface nursing. The application of the device can not only achieve the purpose of pulling the skin at the skin defect position to pull the skin to close the incision, but also avoid the skin taking and grafting operation of the patient.

The utility model has the advantages that: compared with the prior operation method, the utility model has the following advantages.

1. The utility model is drawn continuously to close the wound surface through the skin margin of the wound surface according to the ductility of the skin. Avoids the related complications of skin taking and skin grafting of patients.

2. The design of the cable with the guide pin is convenient for the cable to be placed into the skin, the cable is placed along the skin edge of the wound surface by 1cm, the skin edge gravitation balance is facilitated, the skin stretches evenly through the edge of the wound surface, and when the water quantity of the wound surface is reduced like that of a lake, the water surface is reduced towards the middle in a balanced mode. The cable is adapted to the selection of different planes of the wound surface.

3. The half-bow design is beneficial to the selection of the longest diameters of different wound surfaces. The bow-shaped design is beneficial to the support to keep away from the wound surface, and is convenient for wound surface nursing.

4. The bow foot is provided with 2 cable holes, which is beneficial to the cross traction of the wound surface relative to the cable, and the longest diameter position of the wound surface defect is firstly close to healing.

5. The design of horizontal 8 buckles is favorable to regularly tightening up the cable, improves cable gravitation, slowly extends skin, closed surface of a wound. The buckle notch is favorable for the buckle to be installed and fixed.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a front view of the present invention with a hollow half-bow.

Figure 4 is a front view of the present invention with a cylindrical half bow.

Fig. 5 is a right side view of fig. 3.

Fig. 6 is a left side view of fig. 4.

Fig. 7 is a bottom view of fig. 3-4.

Fig. 8 is a top view of fig. 3 and 4.

Fig. 9 is a front view of the cross 8 catch.

Fig. 10 is a top view of the cross 8 clasp.

Figure 11 is a front view of a lead.

Fig. 12 is a bottom view of fig. 11.

Icon: (1) the device comprises a cable, (2) a half arch, (3) a transverse 8 buckle, (4) an arch foot, (5) a cable hole, (6) a guide pin, (7) a buckle notch, (8) a double-angle single-point needle, (9) a tube cavity, (10) a tube fixing hole, (11) a cylinder, (12) a column fixing hole and (13) a fixing bolt.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, a bowstring traction skin-tearing system is characterized in that a semi-bow (2) with a cylinder (11) is inserted into a tube cavity (9) of the other half of the bow, a tube fixing hole (10) and a column fixing hole (12) are fixed by a fixing bolt (13) for correction, a double cable (1) passes through cable holes (5) of two bow feet (4), the double cables at two ends of the bow feet are fixed by a transverse 8 buckle (3), and when the traction force needs to be increased, the transverse 8 buckle is filled in the cable between the fixed transverse 8 buckle and the bow feet; the half bow foot is provided with a cable hole; the two ends of the transverse 8 buckle are provided with buckle gaps (7). The cable is made of metal, the diameter of the cable is 1-5mm, and the length of the cable is 5-50 cm. One end of the cable is provided with a guide pin (6), the diameter of the near end of the guide pin is 1-5mm, and the length of the near end of the guide pin is 2-5 cm. The guide needle has elasticity and can be pre-bent, and the far end is provided with a double-angle single-peak needle (8). The half bow is half of the bow, and the radian is set to be 0-90 degrees. Wherein, the proximal end of one half is provided with a hollow tube cavity (9) with the inner diameter of 5-20mm, 1-3 tube fixing holes are arranged on the hollow tube cavity, and the distance between the holes is 1-5 cm. The other half of the bow near end is a cylinder, 4-10 column fixing holes are arranged on the cylinder, and the distance between the holes is 1-5 cm. The other end of the half bow is provided with a bow foot which is cylindrical or rectangular, the length is 5-20mm, and the diameter is 4-10 mm. The bow foot is provided with 2 cable holes with the diameter of 1-5mm and the distance of 3-10 mm. The horizontal 8-shaped buckle is in an 8-shaped shape. The inner diameter is 2-8mm, the length is 6-20mm, the height is 4-10mm, and the width is 2-10 mm. The height of the buckle notch is 1-6 mm. A cable in a bow-string traction skin-tearing system is made of metal, a welding point between a guide pin and the cable is preferably short, generally 1-3 mm is better, due to the fact that pre-bending is affected by overlong length, skin tissues are easy to damage when the cable passes through skin, and the welding point is too short and is easy to weld infirm. The semi-arch is made of metal or plastic with light material and good elasticity and toughness, and the pipe orifice of the pipe cavity of the semi-arch is suitable for being round or hexagonal, because the pipe cavity and the corresponding cylinder are both made into hexagonal shapes, the pipe cavity and the corresponding cylinder are easier to align the pipe fixing hole and the column fixing hole than the round shape. The fixing bolt can be made into a fixing bolt with threads or a nut for convenient use.

Claims

1. A bow string traction skin-tearing system is characterized in that a half bow (2) with a cylinder (11) is inserted into a tube cavity (9) of the other half bow, a tube fixing hole (10) and a column fixing hole (12) are fixed by a fixing bolt (13), a double cable (1) penetrates through cable holes (5) of two bow feet (4), the double cables at two ends of the bow feet are fixed by a transverse 8 buckle (3), and when traction force needs to be increased, the transverse 8 buckle is filled in the cable between the fixed transverse 8 buckle and the bow feet; the half bow is half of the bow, and the radian is set to be 0-90 degrees; wherein, the proximal end of one half is provided with a hollow tube cavity (9), the inner diameter is 5-20mm, 1-3 tube fixing holes (10) are arranged on the hollow tube cavity, and the distance between the holes is 1-5 cm; the other half of the bow near end is a cylinder (11), 4-10 column fixing holes (12) are arranged on the cylinder, and the distance between the holes is 1-5 cm; the transverse 8-shaped buckle is in an 8-shaped shape; the inner diameter is 2-8mm, the length is 6-20mm, the height is 4-10mm, and the width is 2-10 mm; the height of the buckle notch is 1-6 mm.

2. The bow-string skin pulling system of claim 1, wherein: the cable is made of metal, the diameter is 1-5mm, and the length is 5-50 cm; one end of the cable is provided with a guide pin (6), the near end of the guide pin is a cylinder with the diameter of 1-5mm and the length of 2-5 cm; the guide needle has elasticity and can be pre-bent, and the far end is provided with a double-angle single-peak needle (8).

3. The bow-string skin pulling system of claim 1, wherein: the other end of the half bow is provided with a bow foot which is a cylinder, the length of the bow foot is 5-20mm, and the diameter of the bow foot is 4-10 mm; the bow foot is provided with 2 cable holes with the diameter of 1-5mm and the distance of 3-10 mm.