CN113679531A

CN113679531A - Chest closing bandage for thoracotomy

Info

Publication number: CN113679531A
Application number: CN202110810899.3A
Authority: CN
Inventors: 胡仁民; 谈健
Original assignee: Changzhou Waston Medical Appliance Co Ltd
Current assignee: Changzhou Waston Medical Appliance Co Ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-11-23

Abstract

The invention relates to the technical field of medical instruments, in particular to a chest closing bandage for a chest opening operation, which comprises a bandage head and a flexible bandage body which are mutually connected, and a locking hoop which is fixed on the bandage head in a sliding way; the tie head is of a U-shaped structure and comprises a bottom plate and two side plates I, wherein at least one pair of locking teeth I is symmetrically arranged on the inner walls of the two side plates I, and a plurality of locking teeth II matched with the locking teeth I are symmetrically arranged on two sides of the flexible tie body. According to the chest closing bandage for thoracotomy, the flexible band body penetrates through the U-shaped bandage head to enable the locking teeth I to be matched with the locking teeth II, then the locking hoop slides to the position where the locking teeth I are matched with the locking teeth II, and the locking teeth I and the locking teeth II are locked.

Description

Chest closing bandage for thoracotomy

Technical Field

The invention relates to the technical field of medical instruments, in particular to a 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 high strength chest closing strap that reduces patient discomfort and is inexpensive.

Disclosure of Invention

In order to solve the problems, the invention provides a chest closing bandage for thoracotomy, wherein a flexible band body of the chest closing bandage penetrates through a U-shaped bandage head to enable a first locking tooth to be matched with a second locking tooth, then a locking hoop is slid to the position where the first locking tooth is matched with the second locking tooth, and the first locking tooth is locked with the second locking tooth.

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

the utility model provides a chest closing bandage for open chest operation, includes interconnect's bandage head and flexible area body, its characterized in that: the locking hoop can be fixed on the binding head in a sliding way; the tie head is of a U-shaped structure and comprises a bottom plate and two side plates I, wherein the inner walls of the two side plates I are symmetrically provided with at least one pair of locking teeth I, and the two sides of the flexible tie body are symmetrically provided with a plurality of locking teeth II matched with the locking teeth I; when the flexible band body passes through the band binding head, the locking hoop slides to a position avoiding the first locking tooth, and after the flexible band body is locked in place, the locking hoop slides to a position where the first locking tooth is matched with the second locking tooth.

Specifically, the bottom plate of the tie head is provided with elastic grooves at positions corresponding to the first locking teeth at the two sides.

Specifically, the locking hoop is of an inverted U-shaped structure and comprises a top plate and two side plates II, wherein clamping legs protruding inwards are arranged at the bottoms of the two side plates II;

the bottoms of the outer sides of the two side plates I of the tie head are provided with clamping grooves matched with the clamping pins;

the locking hoop is slidably fixed on the binding head through the matching of the clamping legs and the clamping grooves.

Specifically, be equipped with fixed muscle on at least one above-mentioned draw-in groove, be equipped with the fixed slot that matches with fixed muscle on the card foot, the locking hoop slides to locking tooth one and locking tooth two complex positions, makes fixed muscle slide in the fixed slot.

Specifically, the upper surface of the top plate is of a sawtooth structure.

Specifically, above-mentioned fixed muscle is along the outside protrusion setting of the one side of draw-in groove towards both sides, the cross-section of fixed muscle is triangle-shaped.

Specifically, above-mentioned flexible area body includes linkage segment, canned paragraph and inserts the section, the linkage segment is used for being connected with the ribbon head, two settings of locking tooth are in the both sides of canned paragraph, insert the section to keeping away from the one end tapering of canned paragraph.

Specifically, the inner side wall of each side plate I is provided with three locking teeth I.

Specifically, the pitch of the second locking tooth is 0.3-1.3mm, preferably 0.5-1 mm.

Specifically, the thickness of the flexible tape body is 0.3 to 1.5mm, preferably 0.5 to 1 mm.

Specifically, the width of the flexible belt body is 3-8mm, preferably 3-5 mm.

Specifically, the chest closing bandage is made of PEEK materials.

The invention has the beneficial effects that:

(1) according to the chest closing bandage for the thoracotomy, the flexible band body penetrates through the U-shaped bandage head to enable the locking teeth I to be matched with the locking teeth II, then the locking hoop slides to the position where the locking teeth I are matched with the locking teeth II, and the locking teeth I and the locking teeth II are locked, so that the chest closing bandage can improve the bundling strength on the premise of reducing the thickness of the bandage head as much as possible, and after a sternum is folded and fixed, no obvious bulge exists, the discomfort of a patient can be obviously reduced, the price is low, and the economic burden of the patient can be greatly reduced;

(2) elastic grooves are formed in the bottom plate of the binding head at positions corresponding to the locking teeth I on the two sides, the positions of the two side plates I, where the locking teeth I are arranged, have certain elasticity, and the flexible belt body can slightly stretch outwards in the process of penetrating through the binding head, so that the flexible belt body can smoothly penetrate through the binding head until the flexible belt body reaches a proper position;

(3) according to the invention, the fixing rib is arranged on the clamping groove of the first side plate, the fixing groove matched with the fixing rib is arranged on the clamping leg of the locking hoop, and the fixing rib can slide into the fixing groove in the process of sliding the locking hoop to the position where the first locking tooth is matched with the second locking tooth, so that the locking hoop is fixed at the position, and the sternum is bound more stably.

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 an enlarged view of the tie head and locking band of the present invention;

in the figure: a strapping head; 11. a base plate; 12. a first side plate; 13. a first locking tooth; 14. an elastic groove; 15. a card slot; 16. fixing the ribs; 2. a flexible belt body; 21. a second locking tooth; 22. a connecting section; 23. a fixed section; 24. an insertion section; 3. a locking band; 31. a top plate; 32. a second side plate; 33. clamping a pin; 34. and fixing the grooves.

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.

A chest closing bandage for open chest surgery, as shown in figure 1, comprises a bandage head 1 and a flexible band body 2 which are connected with each other, and also comprises a locking hoop 3 which is fixed on the bandage head 1 in a sliding way; the tie head 1 is of a U-shaped structure and comprises a bottom plate 11 and two side plates I12, wherein the inner walls of the two side plates I12 are symmetrically provided with at least one pair of locking teeth I13, and the two sides of the flexible tie body 2 are symmetrically provided with a plurality of locking teeth II 21 matched with the locking teeth I13; when the flexible band body 2 passes through the band binding head 1, the locking hoop 3 slides to the position avoiding the first locking teeth 13, and after the flexible band body 2 is locked in place, the locking hoop 3 slides to the position where the first locking teeth 13 are matched with the second locking teeth 21.

The locking hoop 3 is made to slide to a position avoiding the first locking teeth 13, then the flexible band body 2 penetrates through the U-shaped tying head 1 to enable the first locking teeth 13 to be matched with the second locking teeth 21, then the locking hoop 3 is made to slide to a position where the first locking teeth 13 are matched with the second locking teeth 21, and the first locking teeth 13 are locked with the second locking teeth 21.

In a specific embodiment, as shown in fig. 1, the bottom plate 11 of the banding head 1 is provided with an elastic groove 14 at the position corresponding to the locking teeth 13 at the two sides. The elastic groove 14 is arranged to enable the position of the locking teeth 13 arranged on the two side plates I12 to have certain elasticity, and the position can be slightly opened outwards in the process that the flexible band body 2 passes through the band binding head 1, so that the flexible band body 2 can pass through smoothly until the proper position is reached.

In a specific embodiment, as shown in fig. 1-2, the locking band 3 is an inverted u-shaped structure, which comprises a top plate 31 and two side plates 32, wherein the bottoms of the two side plates 32 are provided with inward protruding clamping legs 33; the bottoms of the outer sides of the two side plates I12 of the binding head 1 are provided with clamping grooves 15 matched with the clamping pins 33; the locking hoop 3 is slidably fixed on the banding head 1 through the matching of the clamping leg 33 and the clamping groove 15.

The two clamping legs 33 of the locking band 3 are respectively clamped in the two clamping grooves 15, so that the locking band 3 can be sleeved on the banding head 1 without falling off on the premise of ensuring that the locking band 3 can slide back and forth. Because the whole chest closing bandage is made of plastics and has certain flexibility, the two clamping feet 33 of the locking hoop 3 can be forcedly pressed into the two clamping grooves 15 during assembly.

In a specific embodiment, as shown in fig. 2, a fixing rib 16 is disposed on at least one of the locking grooves 15, a fixing groove 34 matched with the fixing rib 16 is disposed on the locking leg 33, and the locking clip 3 slides to a position where the first locking tooth 13 is matched with the second locking tooth 21, so that the fixing rib 16 slides into the fixing groove 34. During the process of sliding the locking band 3 to the position where the first locking tooth 13 is matched with the second locking tooth 21, the fixing rib 16 will slide into the fixing groove 34, so as to fix the locking band 3 in this position, and the binding of the sternum is more stable.

In a specific embodiment, as shown in fig. 1, the upper surface of the top plate 31 has a saw-tooth structure. The saw-tooth structure can increase the friction force on the upper surface of the top plate 31, and is beneficial to pushing the locking clamp 3 to a proper position in practical operation. In a particular embodiment, the saw-tooth structure may also be a pattern structure with a certain friction-increasing effect.

In a specific embodiment, as shown in fig. 2, the fixing rib 16 is protruded outwardly along one of the sides of the slot 15, and the cross section of the fixing rib 16 is triangular.

In a specific embodiment, as shown in fig. 1, the flexible band body 2 comprises a connecting section 22, a fixing section 23 and an inserting section 24, wherein the connecting section 22 is used for connecting with the binding head 1, the locking teeth two 21 are arranged at two sides of the fixing section 23, and the inserting section 24 is tapered towards one end far away from the fixing section 23. The end of the insertion section 24 is thin to facilitate smooth passage between the ribs.

In one embodiment, as shown in fig. 1-2, each side plate 12 has three locking teeth 13 on its inner side wall.

In a particular embodiment, the pitch of the second locking tooth 21 is 0.3 to 1.3mm, preferably 0.5 to 1 mm. The tooth pitch of 0.5-1mm can ensure that the binding belt keeps the state that the sternums on the two sides are attached.

In a particular embodiment, the thickness of the flexible strip 2 is between 0.3 and 1.5mm, preferably between 0.5 and 1 mm. The thickness of the whole bandage is very small, the thickest part after locking is only 2.0-3.0mm, and can not obviously protrude out of the sternum, thereby effectively avoiding rubbing the surrounding tissues and easily causing injury, infection and the like.

In a particular embodiment, the width of the flexible strip 2 is 3-8mm, preferably 3-5 mm. The width of the flexible band body 2 is designed to be 3-5mm to achieve the strength required by the band for closing the chest, and even the gap between the two lowest ribs can be easily penetrated.

In a specific embodiment, the chest closing strap is made 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 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.

Claims

1. The utility model provides a chest closing bandage for open chest operation, includes interconnect's bandage head (1) and flexible area body (2), its characterized in that: the locking device also comprises a locking hoop (3) which can be fixed on the binding head (1) in a sliding way; the tie head (1) is of a U-shaped structure and comprises a bottom plate (11) and two side plates I (12), at least one pair of locking teeth I (13) is symmetrically arranged on the inner walls of the two side plates I (12), and a plurality of locking teeth II (21) matched with the locking teeth I (13) are symmetrically arranged on two sides of the flexible tie body (2); when the flexible band body (2) passes through the binding head (1), the locking hoop (3) slides to the position of avoiding the first locking tooth (13), after the flexible band body (2) is locked in place, the locking hoop (3) slides to the position of matching the first locking tooth (13) with the second locking tooth (21).

2. The chest closing band for the open chest surgery of claim 1, wherein: elastic grooves (14) are formed in the positions, corresponding to the locking teeth I (13) on the two sides, of the bottom plate (11) of the binding head (1).

3. The chest closing band for the open chest surgery of claim 1, wherein: the locking hoop (3) is of an inverted U-shaped structure and comprises a top plate (31) and two second side plates (32), and clamping legs (33) protruding inwards are arranged at the bottoms of the two second side plates (32);

clamping grooves (15) matched with the clamping pins (33) are formed in the bottoms of the outer sides of the first side plates (12) of the binding head (1);

the locking hoop (3) is slidably fixed on the binding head (1) through the matching of the clamping leg (33) and the clamping groove (15).

4. The chest closing band for the open chest surgery of claim 3, wherein: at least one be equipped with fixed muscle (16) on draw-in groove (15), be equipped with fixed slot (34) that match with fixed muscle (16) on card foot (33), locking hoop (3) slide to locking tooth one (13) and locking tooth two (21) complex position, make fixed muscle (16) slide in fixed slot (34).

5. The chest closing band for the open chest surgery of claim 3, wherein: the upper surface of the top plate (31) is of a sawtooth structure.

6. The chest closing band for the open chest surgery of claim 4, wherein: the fixed rib (16) is arranged along the clamping groove (15) towards the outward protrusion of one side of the two sides, and the cross section of the fixed rib (16) is triangular.

7. The chest closing band for the open chest surgery of claim 1, wherein: the flexible area body (2) includes linkage segment (22), canned paragraph (23) and inserts section (24), linkage segment (22) are used for being connected with tie head (1), two (21) settings of locking tooth are in the both sides of canned paragraph (23), insert section (24) to keeping away from the one end tapering of canned paragraph (23).

8. The chest closing band for the open chest surgery of claim 1, wherein: and the inner side wall of each side plate I (12) is provided with three locking teeth I (13).

9. The chest closing band for the open chest surgery of claim 1, wherein: the pitch of the second locking tooth (21) is 0.3-1.3mm, preferably 0.5-1 mm.

10. The chest closing band for the open chest surgery of claim 1, wherein: the thickness of the flexible belt body (2) is 0.3-1.5mm, preferably 0.5-1 mm.

11. The chest closing band for the open chest surgery of claim 1, wherein: the width of the flexible belt body (2) is 3-8mm, preferably 3-5 mm.

12. The chest closing band for the open chest surgery of claim 1, wherein: the chest closing bandage is made of PEEK materials.