Feeding device

Abstract

The utility model discloses a feeding device which comprises a cannula, a mouth pad and a clamping and fixing mechanism. The intubation tube comprises an insertion hose and a connection hard tube, and the connection hard tube is fixed on the insertion hose; the oral pad comprises a biting pipe, a limiting plate and a mounting seat, the biting pipe is arranged on one side of the limiting plate, and the mounting seat is arranged on the other side of the limiting plate; the clamping and fixing mechanism comprises a connecting base, a connecting rod, a clamping jaw, a spring, a connecting cap and a pull head, the connecting base is arranged on the side portion of the mounting base, the connecting rod comprises a first rod body and a second rod body, the first rod body is connected with the clamping jaw, a limiting ring is formed between the second rod body and the first rod body, the clamping jaw is located in the mounting base, and the second rod body is sleeved with the spring; one end of the spring abuts against the limiting ring, the connecting cap is arranged on the connecting base and abuts against the other end of the spring, a penetrating hole allowing the end of the second rod body to penetrate out is formed in the connecting cap, and the pull head is connected with the end of the second rod body. According to the utility model, the clamping and fixing mechanism is arranged, so that the intubation tube is more convenient to fix.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary appliances, in particular to a feeding device. Background Art

[0002] Dysphagia refers to a disorder in the process of food transport from the mouth to the stomach, which leads to the symptom of being unable to eat safely and obtain sufficient nutrition and water. Various clinical diseases and organ failures, including central nervous system diseases, cranial neuropathies, neuromuscular junction diseases, muscle diseases, organic lesions of the oropharynx, surgery and radiotherapy for oropharyngeal and nasopharyngeal tumors, digestive system diseases, postoperative gastroesophageal lesions, respiratory system diseases, etc., can cause dysphagia. The incidence of dysphagia is high and it is easy to cause complications such as aspiration, aspiration pneumonia and malnutrition, increase the risk of infection, affect clinical outcomes, and in severe cases lead to multiple organ failure and even endanger life.

[0003] For patients with swallowing disorders who cannot eat independently, feeding devices are usually used in the prior art. The feeding device usually includes a cannula and a mouth pad, wherein the cannula may include a nasogastric tube or an orogastric tube. When the feeding device is in use, the nasogastric tube or the orogastric tube is inserted into the esophagus from the patient's nasal cavity or oral cavity. After the orogastric tube is inserted into the esophagus, the mouth pad is placed in the patient's mouth to prevent the patient from biting the cannula, and then the nutrient solution is input into the esophagus from the cannula to complete the feeding. However, the cannula in the prior art is usually fixed with a rope. When fixing, the middle part of the rope needs to be wrapped around the cannula for multiple turns, and then the end of the rope is fixed to the patient's neck, which is more troublesome to operate. In view of this, the inventor conducted in-depth research on the above-mentioned defects in the prior art, and thus this case was created. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the above technology at least to a certain extent. To this end, the purpose of the utility model is to provide a feeding device, which makes it more convenient to fix the cannula by setting a clamping and fixing mechanism.

[0005] To achieve the above-mentioned purpose, the utility model provides a feeding device, including an insertion tube, a mouth pad and a clamping and fixing mechanism;

[0006] The cannula includes an insertion hose and a connecting hard tube, and the connecting hard tube is fixed on the insertion hose; the mouth pad includes a bite tube, a limit plate and a mounting seat, the bite tube is arranged on one side of the limit plate, and the mounting seat is arranged on the other side of the limit plate; the clamping and fixing mechanism includes a connecting seat, a connecting rod, a clamping claw, a spring, a connecting cap and a pulling head, the connecting seat is arranged on the side of the mounting seat, and a accommodating cavity is formed in the connecting seat, the connecting rod includes a first rod body and a second rod body, the first rod body passes through the mounting seat along the accommodating cavity and is connected with the clamping claw, a limit ring is formed between the second rod body and the first rod body, the clamping claw is located in the mounting seat, the spring is sleeved on the second rod body, one end of the spring abuts on the limit ring, the connecting cap is arranged on the connecting seat, the connecting cap abuts against the other end of the spring, a through hole is arranged on the connecting cap for the end of the second rod body to pass through, and the pulling head is connected to the end of the second rod body; the clamping and fixing mechanism includes a left clamping and fixing mechanism and a right clamping and fixing mechanism, the clamping claw of the left clamping and fixing mechanism abuts against one side of the connecting hard tube, and the clamping claw of the right clamping and fixing mechanism abuts against the other side of the connecting hard tube.

[0007] Furthermore, a limiting step is provided at the end of the connecting hard pipe.

[0008] Furthermore, a through hole for the first rod to pass through is provided on the mounting seat.

[0009] Furthermore, a connecting groove is provided on the first rod body, and a first internal thread is provided in the connecting groove; a connecting column is provided on the clamping jaw, and a first external thread connected to the first internal thread is provided on the connecting column.

[0010] Furthermore, an anti-slip layer is provided on the inner side of the clamping jaw.

[0011] Furthermore, a second external thread is provided on the connection seat, and a second internal thread connected to the second external thread is provided in the connection cap.

[0012] Furthermore, a third external thread is arranged at the end of the second rod body, and a third internal thread connected to the third external thread is arranged in the pull head.

[0013] Furthermore, it also includes a plug, which includes a plug-in portion and a connecting plate. The plug-in portion is arranged at the upper end of the mounting seat, and the connecting plate is arranged on the plug-in portion. The connecting plate is arranged on the plug-in portion.

[0014] Furthermore, a first connecting hole is arranged on the connecting plate, a second connecting hole is arranged on the limiting plate, and a connecting rope is also included, wherein the connecting rope is connected to the first connecting hole and the second connecting hole.

[0015] After adopting the above structure, the feeding device of the utility model has at least the following beneficial effects:

[0016] First, when in use, the cannula is inserted into the esophagus from the patient's mouth, and then the mouth pad is placed in the patient's mouth, the pull head is pulled outward, and then the pull head is released. Under the action of the spring, the clamping claw of the left clamping and fixing mechanism abuts against one side of the connecting hard tube, and the clamping claw of the right clamping and fixing mechanism abuts against the other side of the connecting hard tube, thereby clamping and fixing the cannula, and the clamping and fixing process is relatively simple. By setting the insertion hose, the insertion hose is softer, so it is easy to insert into the patient's body, and the connecting hard tube is harder, so that the connecting hard tube is not easily deformed under the action of the clamping claw.

[0017] Second, by providing a connecting seat, a connecting rod, a clamping claw, a spring, a connecting cap and a pull head, when installing the clamping and fixing mechanism, the end of the first rod body is passed through the mounting seat from the accommodating cavity and connected to the clamping claw, and then the spring is sleeved on the second rod body, and then the connecting cap is connected to the connecting seat to limit the spring in the accommodating cavity, and finally the pull head is connected to the end of the second rod body, thereby completing the installation of the clamping and fixing mechanism, and the installation is relatively convenient. When the cannula needs to be clamped, the pull head is pulled, and the spring is compressed under the action of the limit ring, so that the clamping claw moves, and after being released, the clamping claw abuts against the side of the cannula under the action of the spring, thereby clamping the cannula.

[0018] Third, by setting a limiting step, after the clamping jaw of the left clamping and fixing mechanism abuts against one side of the connected hard pipe and the clamping jaw of the right clamping and fixing mechanism abuts against the other side of the connected hard pipe, the limiting step is located directly above the clamping jaw, and the limiting step can abut against the upper part of the clamping jaw, thereby further preventing the insertion tube from moving.

[0019] Compared with the prior art, the utility model provides a clamping and fixing mechanism. When the cannula needs to be fixed, the left clamping and fixing mechanism is operated so that the clamping claw of the left clamping and fixing mechanism abuts against one side of the connected hard pipe, and the clamping claw of the right clamping and fixing mechanism abuts against the other side of the connected hard pipe, thereby clamping and fixing the cannula, making it more convenient to fix the cannula. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a feeding device according to an embodiment of the utility model;

[0021] Figure 2 It is a schematic structural diagram of a feeding device according to another embodiment of the utility model from another angle;

[0022] Figure 3 It is a cross-sectional view of a feeding device according to an embodiment of the utility model.

[0023] Description of symbols

[0024] Intubation tube 1, insertion hose 11, connecting hard tube 12, limiting step 121, mouth pad 2, bite tube 21, limiting plate 22, second connecting hole 221, mounting seat 23, through hole 231, clamping and fixing mechanism 3, left clamping and fixing mechanism 3a, right clamping and fixing mechanism 3b, connecting seat 31, connecting rod 32, first rod body 321, connecting groove 3211, second rod body 322, limiting ring 323, clamping claw 33, connecting column 331, spring 34, connecting cap 35, pulling head 36, plug 4, insertion part 41, connecting plate 42, first connecting hole 421. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] like Figures 1 to 3 As shown, a feeding device of the utility model comprises an intubation tube 1, a mouth pad 2 and a clamping and fixing mechanism 3; the intubation tube 1 comprises an insertion hose 11 and a connecting hard tube 12, and the connecting hard tube 12 is fixed on the insertion hose 11; the mouth pad 2 comprises a bite tube 21, a limit plate 22 and a mounting seat 23, the bite tube 21 is arranged on one side of the limit plate 22, and the mounting seat 23 is arranged on the other side of the limit plate 22; the clamping and fixing mechanism 3 comprises a connecting seat 31, a connecting rod 32, a clamping claw 33, a spring 34, a connecting cap 35 and a pull head 36, the connecting seat 31 is arranged on the side of the mounting seat 23, and a receiving cavity is formed in the connecting seat 31, the connecting rod 32 comprises a first rod body 321 and a second rod body 322, and the first rod body 321 passes through the mounting seat 23 along the receiving cavity and then The second rod 322 is connected to the first rod 321 and a limiting ring 323 is formed between the second rod 322 and the first rod 321. The clamping jaw 33 is located in the mounting seat 23. The spring 34 is sleeved on the second rod 322. One end of the spring 34 abuts against the limiting ring 323. The connecting cap 35 is arranged on the connecting seat 31. The connecting cap 35 abuts against the other end of the spring 34. The connecting cap 35 is provided with a through hole for the end of the second rod 322 to pass through. The pull head 36 is connected to the end of the second rod 322. The clamping and fixing mechanism 3 includes a left clamping and fixing mechanism 3a and a right clamping and fixing mechanism 3b. The clamping jaw 33 of the left clamping and fixing mechanism 3a abuts against one side of the connecting hard pipe 12, and the clamping jaw 33 of the right clamping and fixing mechanism 3b abuts against the other side of the connecting hard pipe 12.

[0027] Thus, the feeding device of the utility model is used by inserting the cannula 1 from the patient's oral cavity into the esophagus, then placing the mouth pad 2 in the patient's mouth, pulling the pull head 36 outward, and then releasing the pull head 36. Under the action of the spring 34, the clamping claw 33 of the left clamping and fixing mechanism 3a abuts against one side of the connecting hard tube 12, and the clamping claw 33 of the right clamping and fixing mechanism 3b abuts against the other side of the connecting hard tube 12, thereby clamping and fixing the cannula 1, and the clamping and fixing process is relatively simple. By providing the insertion hose 11, the insertion hose 11 is relatively soft, so that it is easy to insert into the patient's body, and the connecting hard tube 12 is relatively hard, so that the connecting hard tube 12 is not easily deformed under the action of the clamping claw 33. By setting the connection seat 31, the connection rod 32, the clamping claw 33, the spring 34, the connection cap 35 and the pull head 36, when installing the clamping and fixing mechanism 3, the end of the first rod body 321 passes through the mounting seat 23 from the accommodating cavity and is connected to the clamping claw 33, then the spring 34 is sleeved on the second rod body 322, and then the connection cap 35 is connected to the connection seat 31, so that the spring 34 is restricted in the accommodating cavity, and finally the pull head 36 is connected to the end of the second rod body 322, so that the installation of the clamping and fixing mechanism 3 is completed, and the installation is relatively convenient. When the cannula 1 needs to be clamped, the pull head 36 is pulled, and the spring 34 is compressed under the action of the limit ring 323, so that the clamping claw 33 moves. After being released, the clamping claw 33 abuts against the side of the cannula 1 under the action of the spring 34, so that the cannula 1 is clamped.

[0028] In this embodiment, the cannula 1 can be a "gastric lavage tube" with a diameter of 9.33 cm and a model of 28FR, and can be used to feed semi-fluids with particles. As an embodiment, for an adult of about 170 cm, the cannula 1 can be about 30 cm long, with 10 cm exposed outside the oral cavity and 20 cm located inside the body, so that the lower end of the cannula 1 is only 3-5 cm below the esophageal opening, maintaining the original peristaltic physiological function of the esophagus from top to bottom, effectively and significantly reducing esophageal reflux, and can feed semi-fluids with particles. The outer side of the cannula 1 is designed with a scale, which includes a plurality of evenly arranged scale bars, and the distance between two adjacent scale bars is 1 cm-5 cm.

[0029] Optionally, a limiting step 121 is provided at the end of the connecting rigid tube 12. By providing the limiting step 121, after the clamping jaw 33 of the left clamping and fixing mechanism 3a abuts against one side of the connecting rigid tube 12, and the clamping jaw 33 of the right clamping and fixing mechanism 3b abuts against the other side of the connecting rigid tube 12, the limiting step 121 is located directly above the clamping jaw 33, and the limiting step 121 can abut against the upper side of the clamping jaw 33, thereby further preventing the cannula 1 from moving.

[0030] In this embodiment, a through hole 231 for the first rod 321 to pass through is provided on the mounting seat 23 . By providing the through hole 231 , the first rod 321 passes through the through hole 231 during installation, thereby facilitating the connection between the first rod 321 and the clamping jaw 33 .

[0031] Furthermore, a connecting groove 3211 is provided on the first rod body 321, and a first internal thread is formed in the connecting groove 3211; a connecting column 331 is provided on the clamping jaw 33, and a first external thread connected to the first internal thread is provided on the connecting column 331. After the first rod body 321 passes through the through hole 231, the first rod body 321 is rotated to realize the connection between the first internal thread of the first rod body 321 and the first external thread on the connecting column 331, so that the connection process between the first rod body 321 and the clamping jaw 33 is more convenient.

[0032] In order to further fix the cannula 1 , an anti-slip layer is provided inside the clamping jaws 33 , so that after the clamping jaws 33 contact the side of the cannula 1 , the friction force is increased, and the effect of fixing the cannula 1 is better.

[0033] In this embodiment, a second external thread is provided on the connection seat 31, and a second internal thread connected to the second external thread is provided in the connection cap 35. When the connection cap 35 is connected to the connection seat 31, the connection cap 35 is rotated so that the second external thread is connected to the second internal thread, so that the connection process of the connection cap 35 and the connection seat 31 is more convenient.

[0034] Furthermore, a third external thread is provided at the end of the second rod body 322, and a third internal thread connected to the third external thread is provided in the pull head 36. When the pull head 36 is connected to the second rod body 322, the pull head 36 is rotated so that the third external thread is connected to the third internal thread, making the connection process of the pull head 36 and the second rod body 322 more convenient.

[0035] In a preferred embodiment of the utility model, a plug 4 is also included, and the plug 4 includes a plugging portion 41 and a connecting plate 42. The plugging portion 41 is arranged at the upper end of the mounting seat 23, and the connecting plate 42 is arranged on the plugging portion 41. For patients who cannot feed themselves, frequent replacement of the cannula 1 is easy to damage the patient's esophagus. Therefore, for patients who cannot feed themselves, the cannula 1 can stay in the patient's body for several days, such as three or four days. In this example, by providing the plug 4, after feeding is completed, the plugging portion 41 of the plug 4 is plugged into the upper end of the mounting seat 23, so that the cannula 1 is not easily contaminated, and when feeding is needed, the plug 4 can be opened.

[0036] The connecting plate 42 is provided with a first connecting hole 421, the limiting plate 22 is provided with a second connecting hole 221, and further includes a connecting rope, which is connected to the first connecting hole 421 and the second connecting hole 221. By providing the first connecting hole 421 and the second connecting hole 221, after the connecting rope is connected to the first connecting hole 421 and the second connecting hole 221, the connection between the plug 4 and the mouth pad 2 is achieved, and the loss of the plug 4 is prevented.

[0037] The above embodiments and drawings do not limit the product form and style of the present utility model. Any appropriate changes or modifications made by ordinary technicians in the relevant technical field should be deemed to be within the patent scope of the present utility model.

Claims

1. A feeding device, characterized in that: It includes a cannula, a mouth pad and a clamping and fixing mechanism; The cannula includes an insertion hose and a connecting hard tube, and the connecting hard tube is fixed on the insertion hose; the mouth pad includes a bite tube, a limit plate and a mounting seat, the bite tube is arranged on one side of the limit plate, and the mounting seat is arranged on the other side of the limit plate; the clamping and fixing mechanism includes a connecting seat, a connecting rod, a clamping claw, a spring, a connecting cap and a pulling head, the connecting seat is arranged on the side of the mounting seat, and a accommodating cavity is formed in the connecting seat, the connecting rod includes a first rod body and a second rod body, the first rod body passes through the mounting seat along the accommodating cavity and is connected with the clamping claw, a limit ring is formed between the second rod body and the first rod body, the clamping claw is located in the mounting seat, the spring is sleeved on the second rod body, one end of the spring abuts on the limit ring, the connecting cap is arranged on the connecting seat, the connecting cap abuts against the other end of the spring, a through hole is arranged on the connecting cap for the end of the second rod body to pass through, and the pulling head is connected to the end of the second rod body; the clamping and fixing mechanism includes a left clamping and fixing mechanism and a right clamping and fixing mechanism, the clamping claw of the left clamping and fixing mechanism abuts against one side of the connecting hard tube, and the clamping claw of the right clamping and fixing mechanism abuts against the other side of the connecting hard tube.

2. The feeding device according to claim 1, characterized in that: The mounting seat is provided with a through hole for the first rod body to pass through.

3. The feeding device according to claim 1, characterized in that: A connecting groove is arranged on the first rod body, and a first internal thread is arranged in the connecting groove; a connecting column is arranged on the clamping jaw, and a first external thread connected with the first internal thread is arranged on the connecting column.

4. The feeding device according to claim 1, characterized in that: An anti-slip layer is provided on the inner side of the clamping jaw.

5. The feeding device according to claim 1, characterized in that: A second external thread is arranged on the connection seat, and a second internal thread connected with the second external thread is arranged in the connection cap.

6. The feeding device according to claim 1, characterized in that: The end of the second rod body is provided with a third external thread, and the pull head is provided with a third internal thread connected with the third external thread.

7. The feeding device according to claim 1, characterized in that: It also includes a plug, which includes a plug-in portion and a connecting plate. The plug-in portion is arranged at the upper end of the mounting seat, and the connecting plate is arranged on the plug-in portion.

8. The feeding device according to claim 7, characterized in that: A first connecting hole is arranged on the connecting plate, and a second connecting hole is arranged on the limiting plate; and a connecting rope is also included, and the connecting rope is connected with the first connecting hole and the second connecting hole.

Images