阅读说明：本技术 一种简易的开胸手术用关胸扎带 (Simple chest closing bandage for thoracotomy ) 是由 胡仁民 谈健 于 2021-07-19 设计创作，主要内容包括：本发明涉及医疗器械技术领域,尤其是一种简易的开胸手术用关胸扎带,包括相互连接的扎带头和柔性带体,扎带头从远离柔性带体的一端向靠近柔性带体的一端依次设有锁紧槽、过渡槽和容置槽,锁紧槽包括构成凸字形的长槽和短槽,长槽靠近柔性带体；柔性带体的两侧对称设有若干均匀分布的锁紧齿；柔性带体先由长槽穿出,使两侧的锁紧齿分别卡紧在短槽的两个短边上,再穿入过渡槽,并穿出容置槽,使所述柔性带体的端部置于容置槽中。本发明的关胸扎带在柔性带体穿过长槽后,直接通过锁紧齿与短槽配合锁紧,极大地减小了扎带头的厚度,多余的柔性带体可置于容置槽中,整齐、稳定,该关胸扎带可显著降低患者的不适感；价格低廉,可减轻患者经济负担。(The invention relates to the technical field of medical instruments, in particular to a simple chest closing binding belt for a chest opening operation, which comprises a binding belt head and a flexible belt body which are connected with each other, wherein the binding belt head is sequentially provided with a locking groove, a transition groove and an accommodating groove from one end far away from the flexible belt body to one end close to the flexible belt body, the locking groove comprises a long groove and a short groove which form a convex shape, and the long groove is close to the flexible belt body; a plurality of locking teeth which are uniformly distributed are symmetrically arranged on two sides of the flexible belt body; the flexible belt body firstly penetrates out of the long groove, so that the locking teeth on the two sides are respectively clamped on the two short sides of the short groove, then penetrate into the transition groove and penetrate out of the accommodating groove, and the end part of the flexible belt body is arranged in the accommodating groove. According to the chest closing bandage, after the flexible band body penetrates through the long groove, the locking teeth are directly matched and locked with the short groove, the thickness of the bandage head is greatly reduced, the redundant flexible band body can be placed in the containing groove, tidiness and stability are realized, and the discomfort of a patient can be remarkably reduced; low cost and can reduce the economic burden of patients.)

1. The utility model provides a simple and easy open chest surgery is with closing chest ribbon, includes interconnect's ribbon head (1) and flexible area body (2), its characterized in that: the binding head (1) is sequentially provided with a locking groove, a transition groove (13) and an accommodating groove (14) from one end far away from the flexible belt body (2) to one end close to the flexible belt body (2), the locking groove comprises a long groove (11) and a short groove (12) which form a convex shape, and the long groove (11) is close to the flexible belt body (2); a plurality of locking teeth (21) which are uniformly distributed are symmetrically arranged on two sides of the flexible belt body (2);

the flexible belt body (2) penetrates out of the long groove (11), so that the locking teeth (21) on two sides are respectively clamped on two short sides of the short groove (12), penetrate into the transition groove (13) and penetrate out of the accommodating groove (14), and the end part of the flexible belt body (2) is placed in the accommodating groove (14).

2. The simple chest closing band for the thoracotomy operation as claimed in claim 1, wherein: and a blocking piece (15) extending to the short groove (12) is arranged on the long edge of the long groove (11) close to the flexible belt body (2).

3. The simple chest closing band for the thoracotomy operation as claimed in claim 2, wherein: the length of the baffle sheet (15) is smaller than that of the short groove (12), the width of the baffle sheet (15) is larger than half of the width of the long groove (11), and the distances from the two short sides of the baffle sheet (15) to the two short sides of the long groove (11) are equal.

4. The simple chest closing band for the thoracotomy operation as claimed in claim 2, wherein: one side of the blocking piece (15) is provided with a first inclined plane (151), so that the flexible belt body (2) can conveniently penetrate through the long groove (11) through the first inclined plane (151).

5. The simple chest closing band for the thoracotomy of claim 4, wherein: the long groove (11) is arranged on the same surface with the first inclined surface (151), and a second inclined surface (111) is arranged along the long edge close to the short groove (12) to one side of the short groove (12), so that the flexible belt body (2) can smoothly slide into the short groove (12), and the locking teeth (21) are clamped on the two short edges of the short groove (12).

6. The simple chest closing band for the thoracotomy of claim 4, wherein: transition groove (13) are in the one side the same with first inclined plane (151), are equipped with third inclined plane (131) to locking groove one side along the long limit that is close to the locking groove, are convenient for flexible area body (2) to penetrate.

7. The simple chest closing band for the thoracotomy of claim 4, wherein: the transition groove (13) is provided with a fourth inclined surface (132) along the long edge close to the containing groove (14) to one side of the containing groove (14) on the surface opposite to the first inclined surface (151), so that the flexible belt body (2) can conveniently penetrate out of the containing groove (14).

8. The simple chest closing band for the thoracotomy of claim 5, wherein: the locking teeth (21) are in a right trapezoid shape, and the right-angle waist of the right trapezoid shape is close to the strapping head (1).

9. The simple chest closing band for the thoracotomy operation as claimed in claim 1, wherein: the width of the upper bottom of the right trapezoid is w, and w is 0.5-1.5 mm.

10. The simple chest closing band for thoracotomy of claim 8, wherein: the locking tooth (21) is provided with a fifth inclined surface (211) along the right-angled waist on the surface opposite to the second inclined surface (111), and the fifth inclined surface (211) is matched with the second inclined surface (111) so that the flexible belt body (2) can smoothly slide into the short groove (12).

11. The simple chest closing band for the thoracotomy operation as claimed in claim 1, wherein: the one end of tie head (1) far away from flexible area body (2) is equipped with on one side at least and prevents skid (16).

12. The simple chest closing band for thoracotomy of claim 11, wherein: the anti-skid part (16) is provided with anti-skid teeth which can be matched with the surgical forceps.

13. The simple chest closing band for the thoracotomy operation as claimed in claim 1, wherein: the whole ribbon is made of PEEK materials.

14. The simple chest closing band for the thoracotomy operation as claimed in claim 1, wherein: the thickness of the tie head (1) is consistent with that of the flexible tie body (2); the length of the long groove (11) is consistent with the width of the flexible belt body (2).

15. The simple chest closing band for the thoracotomy operation as claimed in claim 1, wherein: the thickness of the ribbon is 0.3-1 mm.

16. The simple chest closing band for the thoracotomy operation as claimed in claim 1, wherein: the distance between the adjacent locking teeth (21) is 1-2 mm.

17. The simple chest closing band for the thoracotomy operation as claimed in claim 1, wherein: the width of the flexible belt body (2) is 5-8 mm.

18. The simple chest closing band for the thoracotomy operation as claimed in claim 1, wherein: one end of the flexible belt body (2) far away from the tie head (1) is gradually contracted inwards to form a pointed end (22), and the thickness of the pointed end (22) is smaller than that of the flexible belt body (2); the accommodating groove (14) is D-shaped, and the straight edge of the D-shaped accommodating groove (14) is close to the transition groove (13).

Technical Field

The invention relates to the technical field of medical instruments, in particular to a simple chest closing bandage for a chest opening operation.

Background

With the continuous improvement of the medical technology level, the median thoracotomy still accounts for a high proportion, and most of the heart, pericardium and partial mediastinum surgeries involve the median thoracotomy. In the early mid-thoracotomy, the sternum is bound by the metal wire mostly when closed, but the sternum is very easy to cut and damage due to the thin metal wire, so that severe complications such as poor sternum healing, mediastinal infection and the like are caused, and the postoperative mortality is increased. Moreover, a series of problems such as bleeding and fracture of the marrow cavity and tissues are easily caused. Although the later developed cable ties can effectively avoid many adverse effects caused by the thinner wires, there are still many problems.

Chinese patent document CN106798585A discloses a bandage for sternal median incision suture fixation, which comprises a flexible band and a hook-shaped suture needle, wherein the flexible band comprises a front part and a rear part which are connected, one end of the front part far away from the rear part is connected with the tail part of the hook-shaped suture needle, one end of the rear part far away from the front part is connected with a fastening device, the front part is a vertebral body with a gradually reduced section size along the direction far away from the rear part, and the inner side of the rear part is provided with a unidirectional tooth socket matched with the fastening device. As is clear from fig. 1 of the patent document, the thickness of the fastening device is twice or more of that of the flexible band, and the fastening device has a substantially square structure, and after the sternum is tied, the fastening device protrudes more from the sternum regardless of whether the left side (left side in fig. 1) or the upper side (upper side in fig. 1) is oriented forward, and rubs the surrounding tissues, which is likely to cause injury or infection, and further, the fat tissue in front of the sternum is very thin, which causes a large discomfort.

Besides the fact that the currently used straps cause great discomfort to patients, the currently used straps are expensive, one is up to five or six thousand yuan, at least 3 straps are generally needed for closing the chest, the operation cost is obviously increased, and the frosting on the snow is undoubtedly caused to the patients with family difficulties. In view of the above, there is a need for a low-cost chest closing strap that reduces patient discomfort.

Disclosure of Invention

In order to solve the problems, the invention provides a simple chest closing bandage for thoracotomy, after a flexible band body passes through an elongated slot, the flexible band body is directly locked with two short edges of a short slot through locking teeth on two sides of the flexible band body in a matching way, a locking hole is not required to be arranged like the traditional bandage, teeth matched with the locking teeth are arranged on the side wall of the locking hole, the thickness of a bandage head is greatly reduced, and the redundant flexible band body can pass through the elongated slot and then is arranged in a containing slot to be tidy and stable.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a simple chest closing binding belt for a chest opening operation comprises a binding belt head and a flexible belt body which are connected with each other, wherein the binding belt head is sequentially provided with a locking groove, a transition groove and an accommodating groove from one end far away from the flexible belt body to one end close to the flexible belt body, the locking groove comprises a long groove and a short groove which form a convex shape, and the long groove is close to the flexible belt body; a plurality of locking teeth which are uniformly distributed are symmetrically arranged on two sides of the flexible belt body;

the flexible belt body penetrates through the long groove, so that the locking teeth on two sides are clamped on two short sides of the short groove respectively, penetrate into the transition groove and penetrate out of the accommodating groove, and the end part of the flexible belt body is arranged in the accommodating groove.

Preferably, the long groove is provided with a stopper extending toward the short groove on a long side thereof close to the flexible tape body.

Preferably, the length of the blocking piece is smaller than that of the short slot, the width of the blocking piece is larger than half of the width of the long slot, and the distances from the two short edges of the blocking piece to the two short edges of the long slot are equal.

Preferably, one side of the blocking piece is provided with a first inclined surface, so that the flexible belt body can conveniently penetrate through the long groove through the first inclined surface.

Preferably, the long groove is arranged on the same side as the first inclined surface, and a second inclined surface is arranged from the long edge close to the short groove to one side of the short groove, so that the flexible belt body can conveniently slide into the short groove smoothly, and the locking teeth are clamped on the two short edges of the short groove.

Preferably, the transition groove is provided with a third inclined surface along the long edge close to the locking groove to one side of the locking groove on the same surface with the first inclined surface, so that the flexible belt body can penetrate conveniently.

Preferably, the transition groove is provided with a fourth inclined surface along a long edge close to the accommodating groove to one side of the accommodating groove on a surface opposite to the first inclined surface, so that the flexible belt body can conveniently penetrate out of the accommodating groove.

Preferably, the locking teeth are in a right trapezoid, and the right waist of the right trapezoid is close to the strapping head.

Preferably, the upper base of the right trapezoid has a width w of 0.5 to 1.5 mm.

Preferably, the locking tooth is provided with a fifth inclined surface along the right-angled waist on the surface opposite to the second inclined surface, and the fifth inclined surface is matched with the second inclined surface, so that the flexible belt body can smoothly slide into the short groove.

Preferably, the one end of the tie head away from the flexible tie body is provided with a non-slip part on at least one surface.

Preferably, the anti-slip part is provided with anti-slip teeth which can be matched with the surgical forceps.

Preferably, the cable tie is integrally made of PEEK material.

Preferably, the thickness of the tie head is consistent with that of the flexible tie body; the length of the long groove is consistent with the width of the flexible belt body.

Preferably, the thickness of the band is 0.3-1 mm.

Preferably, the distance between adjacent locking teeth is 1-2 mm.

Preferably, the width of the flexible belt body is 5-8 mm.

Preferably, two sides of one end of the flexible band body, which is far away from the binding head, gradually contract inwards to form a pointed end, and the thickness of the pointed end is smaller than that of the flexible band body; the accommodating groove is D-shaped, and the straight edge of the D-shaped accommodating groove is close to the transition groove.

The invention has the beneficial effects that:

(1) according to the chest closing bandage, after the flexible belt body penetrates through the long groove, the flexible belt body is directly locked with the two short sides of the short groove in a matched mode through the locking teeth on the two sides of the flexible belt body, the locking hole does not need to be arranged like a traditional bandage, the teeth matched with the locking teeth are arranged on the side wall of the locking hole, the thickness of the head of the bandage is greatly reduced, the redundant flexible belt body can penetrate through the transition groove and then is placed in the containing groove to be tidy and stable, after the chest closing bandage is used for sternum closure and fixation, no obvious bulge exists, no foreign body sensation exists, discomfort of a patient can be remarkably reduced, the price is low, and the economic burden of the patient can be greatly relieved;

(2) the long edge of the long groove close to the flexible belt body is provided with the blocking piece extending to the short groove, the blocking piece can push the flexible belt body to the short groove, the flexible belt body can smoothly slide into the short groove after penetrating through the long groove in place, and the locking teeth are matched and locked with the two short edges of the short groove, so that the possibility of locking failure caused by the fact that the flexible belt body slides into the long groove is avoided;

(3) according to the invention, the first inclined plane is arranged on one surface of the baffle plate, so that the flexible belt body can smoothly pass through the long groove along the first inclined plane; the second inclined plane is arranged on the same surface as the first inclined plane along the long edge of the long groove close to the short groove to the direction of the short groove, so that the flexible belt body can smoothly slide into the short groove, and the locking teeth are clamped on the two short edges of the short groove;

(4) according to the invention, the third inclined plane is arranged on the same surface as the first inclined plane along the long edge of the transition groove close to the locking groove to one side of the locking groove, so that the end part of the flexible belt body can smoothly penetrate into the transition groove, and the fourth inclined plane is arranged on the opposite side of the first inclined plane along the long edge of the transition groove close to the accommodating groove to one side of the accommodating groove, so that the end part of the flexible belt body can smoothly pass through the transition groove and penetrate out of the accommodating groove;

(5) the locking teeth are in right trapezoid shapes, a triangular structure is not directly adopted, the thickness of the binding belt is very small, and teeth matched with the locking teeth are not arranged in the locking groove of the binding head, so that the strength of the locking teeth can be effectively improved by setting the locking teeth to be in the right trapezoid shapes, and slipping failure is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a perspective view of another angle of the present invention;

in the figure: a strapping head; 11. a long groove; 111. a second inclined plane; 12. a short slot; 13. a transition groove; 131. a third inclined plane; 132. a fourth slope; 14. a containing groove; 15. a baffle plate; 151. a first inclined plane; 16. an anti-slip portion; 2. a flexible belt body; 21. a locking tooth; 211. a fifth bevel; 22. a pointed tip.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

The direction of arrow E in fig. 2 is the path of the flexible strip 2 according to the invention.

A simple chest closing bandage for a chest opening operation is shown in figure 1 and comprises a bandage head 1 and a flexible belt body 2 which are connected with each other, wherein the bandage head 1 is sequentially provided with a locking groove, a transition groove 13 and an accommodating groove 14 from one end far away from the flexible belt body 2 to one end close to the flexible belt body 2, the locking groove comprises a long groove 11 and a short groove 12 which form a convex shape, and the long groove 11 is close to the flexible belt body 2; a plurality of locking teeth 21 which are uniformly distributed are symmetrically arranged on two sides of the flexible belt body 2; the flexible belt body 2 firstly penetrates out of the long groove 11, so that the locking teeth 21 on the two sides are respectively clamped on the two short sides of the short groove 12, then penetrate into the transition groove 13 and penetrate out of the accommodating groove 14, and the end part of the flexible belt body 2 is arranged in the accommodating groove 14.

This close chest ribbon is direct to be locked through the locking tooth 21 of the flexible area body 2 both sides and two minor face cooperations of short groove 12, need not to set up the locking hole like traditional ribbon, and set up on the lateral wall in locking hole with locking tooth complex tooth, the thickness of ribbon head 1 has greatly been reduced, and unnecessary flexible area body 2 can pass and arrange in storage tank 14 behind aqueduct 13, and is neat, stable, carry out the breastbone with this close chest ribbon and fold fixed back, there is not obvious arch, the free from foreign object sensation, can show the uncomfortable sense that reduces the patient, and the low price, can greatly reduce patient's economic burden.

In a specific embodiment, if the remaining flexible tape body 2 is longer, the remaining flexible tape body may be directly cut to a suitable length and then placed in the receiving groove 14. The original end of the product is smooth and has no sharp parts such as burrs, the end cut on site is limited by conditions and can easily scratch muscle tissues, and the like, and the cut end is placed in the accommodating groove 14 to just avoid the situation.

In one particular embodiment, as shown in fig. 1, the elongated slot 11 is provided with a flap 15 extending towards the short slot 12 on the long side adjacent to the flexible strip 2. The blocking piece 15 can push the flexible belt body 2 to the short groove 12, so that the flexible belt body 2 can smoothly slide into the short groove 12 after penetrating through the long groove 11 in place, and the locking teeth 21 are matched and locked with the two short sides of the short groove 12, so that the possibility of locking failure caused by the fact that the flexible belt body 2 slides into the long groove 11 is avoided.

In a specific embodiment, as shown in fig. 1, the length of the blocking sheet 15 is smaller than that of the short slot 12, the width of the blocking sheet 15 is larger than half of the width of the long slot 11, and the distances from the two short sides of the blocking sheet 15 to the two short sides of the long slot 11 are equal. This design does not affect the ability of the flexible strap 2 to pass through the elongated slot 11, while still functioning effectively.

In one embodiment, as shown in fig. 2, one side of the blocking plate 15 is provided with a first inclined surface 151 to facilitate the flexible belt body 2 to pass through the long slot 11 via the first inclined surface 151.

In a specific embodiment, as shown in fig. 2, the long slot 11 is provided with a second inclined surface 111 on the same side as the first inclined surface 151 along the long side close to the short slot 12 toward the short slot 12 side, so that the flexible band 2 can slide into the short slot 12 smoothly, and the locking teeth 21 can be clamped on the two short sides of the short slot 12.

In a specific embodiment, as shown in fig. 2, the transition groove 13 is provided with a third inclined surface 131 on the same side as the first inclined surface 151 along the long side near the locking groove toward the locking groove side, so as to facilitate the penetration of the flexible band body 2.

In a specific embodiment, as shown in fig. 3, the transition groove 13 is provided with a fourth inclined surface 132 along a long side close to the accommodating groove 14 toward one side of the accommodating groove 14 on a side opposite to the first inclined surface 151, so as to facilitate the flexible tape body 2 to pass through the accommodating groove 14.

In a particular embodiment, as shown in fig. 1, the locking tooth 21 has the shape of a right trapezoid, the right waist of which is located close to the strapping head 1.

Locking tooth 21 is right trapezoid, and does not directly adopt the triangle-shaped structure, because the thickness of ribbon is very little, does not have the tooth that matches with locking tooth 21 in the locking groove of ribbon head 1 moreover, consequently, sets up locking tooth 21 into right trapezoid and can effectively improve the intensity of locking tooth, avoids the slippage inefficacy. During locking, the locking is realized by matching the right-angle waist of the right-angle trapezoid with the two short sides of the short groove 12.

In one specific embodiment, as shown in FIG. 1, the upper base of the right trapezoid has a width w, where w is 0.5-1.5 mm.

In a specific embodiment, as shown in fig. 3, the locking tooth 21 has a fifth inclined surface 211 along the right-angled waist on the opposite side of the second inclined surface 111, and the fifth inclined surface 211 is matched with the second inclined surface 111 to smoothly slide the flexible belt body 2 into the short slot 12.

In a particular embodiment, as shown in fig. 3, the tie head 1 is provided with a non-slip 16 on at least one side at the end remote from the flexible strap 2. The bandage is tightened with a very high force during the closing of the chest, and the slipping-off is effectively avoided by clamping the anti-slip part 16 with the surgical clip during the operation.

In one embodiment, as shown in FIG. 2, the non-slip portion 16 is provided with non-slip teeth that can engage with forceps.

In a particular embodiment, the cable tie is made entirely of PEEK material. The PEEK material has high strength and high toughness, can completely meet the strength requirement of the sternum closure bandage, and has high biocompatibility, and the sternum can be taken out without an operation after being healed.

In particular embodiments, it may be injection molded or die cut directly from a PEEK sheet.

In one particular embodiment, as shown in fig. 2-3, the tie head 1 is of the same thickness as the flexible strap body 2; the length of the elongated slot 11 corresponds to the width of the flexible strip 2. The width of the flexible belt body 2 is consistent with the length of the long groove 11, so that the flexible belt body 2 can just penetrate through the long groove 11, and the flexible belt body 2 can be prevented from deflecting in the process of penetrating through the long groove 11.

In a particular embodiment, the thickness of the band is 0.3 to 1 mm. The thickness of the whole bandage is very small, the thickest part after locking is only 0.6-2mm, and can not obviously protrude out of the sternum, so that the injury, infection and the like caused by the friction of surrounding tissues can be effectively avoided.

In a particular embodiment, the distance between adjacent locking teeth 21 is 1-2 mm. Due to the tooth pitch, the sternum can be pulled through when the binding tape is used for binding the sternum, so that the two sternums can still be kept in a fit state after the binding tape is loosened.

In a particular embodiment, the width of the flexible strip 2 is between 5 and 8 mm. The width of the flexible belt body 2 can be designed to be 8mm to the maximum extent, so that the contact area of the flexible belt body 2 and the sternum is increased, and the tightening feeling of the flexible belt body 2 to the sternum is reduced.

In one particular embodiment, as shown in figures 1-3, the flexible strap body 2 is spaced from the end of the tie head 1 and tapers inwardly to form a tip 22, the tip 22 being of a lesser thickness than the flexible strap body 2; the accommodating groove 14 is D-shaped, and the straight edge of the D-shaped accommodating groove 14 is close to the transition groove 13. The end of the flexible band body 2 far away from the binding head 1 is provided with a sharp head 22, and the thickness is small, which is beneficial to penetration.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.