CN215023100U

CN215023100U - Oral-nasal conversion device for nasal bile duct

Info

Publication number: CN215023100U
Application number: CN202023256596.1U
Authority: CN
Inventors: 刘洪�; 甘雪梅; 张代忠; 孙建明; 胡兴莲; 张军
Original assignee: Dazhou Central Hospital
Current assignee: Dazhou Central Hospital
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-12-07
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a nose bile duct mouth-nose conversion device, which comprises a rod body, an operation unit arranged on the rod body in a sliding way, and a guide wire with one end fixedly connected with the rod body and the other end fixedly connected with the operation unit, wherein the guide wire is used for clamping a traction tube extending into a throat from a nasal cavity of a patient with the rod body along with the sliding of the operation unit; and the rod body is provided with an illuminating component for illuminating the oral cavity of the patient. The utility model discloses a nose bile duct oronasal conversion equipment conveniently operates, can improve the success rate of nose bile duct oronasal conversion to can reduce patient's uncomfortable sense.

Description

Oral-nasal conversion device for nasal bile duct

Technical Field

The utility model relates to the technical medical equipment field, in particular to nose bile duct oronasal conversion equipment.

Background

Endoscopic nasobiliary drainage is a clinical conventional endoscopic technique, and can be directly applied to treatment of obstructive jaundice, acute suppurative cholangitis, biliary leakage and other diseases. Bile is fully drained in the postoperation indwelling nasal bile duct, the biliary pressure is reduced, and the probability of postoperation pancreatitis and cholangitis is reduced; meanwhile, the bile character and the outflow condition can be observed, and the sensitive antibiotics or hemostatics can be injected through the nasal biliary drainage tube for acute suppurative cholangitis, delayed biliary hemorrhage and the like, so the clinical effect is obvious.

The existing nose bile duct oral-nasal exchange mode is that a traction tube inserted from a nasal cavity is clamped by fingers or a guide wire bent into a horseshoe shape is used for realizing the exchange of the nose bile duct, and a hand assists the traction tube; because the hand is relatively large and the position of the traction tube is close to the back, the stimulation to the pharyngeal posterior wall is large during operation, the stimulation response of a patient is large, the pain of the patient can be increased, and the patient can bite the hand of an operator easily when the mouth is closed; moreover, the traction tube is usually thin and difficult to observe when the traction tube is positioned at the back, and an operator needs to operate the illuminating device with one hand to illuminate the oral cavity of a patient, so that the operation difficulty is high, and the oral-nasal conversion of the nasal bile duct is low in power.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to a nose-bile duct oral-nasal switching device, which is convenient to operate and reduces the pain of the patient.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a nose bile duct mouth nose conversion device comprises a rod body, an operation unit arranged on the rod body in a sliding mode, and a guide wire, wherein one end of the guide wire is fixedly connected with the rod body, the other end of the guide wire is fixedly connected with the operation unit, and the guide wire is used for sliding along with the operation unit to clamp a traction tube extending into a throat from a nasal cavity of a patient; and the rod body is provided with an illuminating component for illuminating the oral cavity of the patient.

Furthermore, the lighting unit comprises a lamp bead arranged at one end of the rod body, which is used for extending into the oral cavity of a patient, and a power supply unit arranged in the rod body and capable of supplying power to the lamp bead.

Further, the body of rod, deviate from one of lamp pearl is served and is provided with the battery compartment, the power supply unit is including installing dry battery in the battery compartment.

Furthermore, one end of the rod body, which is used for extending into the oral cavity of a patient, is provided with a square blind hole, the side wall penetrating through the blind hole is provided with a first threaded hole, the blind hole is used for inserting the fixed end of the guide wire, and the first threaded hole is used for screwing in and pressing the guide wire by a first screw rod.

Furthermore, the body of rod is including the section of stretching into and the section of manipulating that concatenates mutually, the section of stretching into is used for stretching into patient's oral cavity, the guide way has been seted up on the periphery of the section of manipulating, the guide way is followed the length direction of the section of manipulating extends the setting, the unit of manipulating includes that the direction is gliding to be located the slider in the guide way.

Furthermore, the guide way adopts T type groove, the slider includes the piece body and with the piece body is solid and with the T type piece of T type groove adaptation.

Furthermore, the stretching section is in a bent shape, a groove is formed in the side wall of the stretching section, the groove extends along the length direction of the stretching section and is connected with the guide groove, the groove is used for allowing the free end of the guide wire to penetrate and be fixedly connected with the block body, and a baffle plate is arranged on the rod body, two ends of the baffle plate are fixedly connected with two sides of the groove respectively, and the baffle plate is used for limiting the guide wire to be separated from the groove.

Furthermore, run through T type piece and seted up the through-hole, the through-hole is used for supplying the free end of seal wire to penetrate, runs through the lateral wall of through-hole and has seted up the second screw hole, set firmly the second screw rod on the piece body, the second screw rod can in second screw hole spiro union compresses tightly the seal wire.

Furthermore, the cross-section of the manipulation section and the cross-section of the stretching section are both circular, the diameter of the stretching section is smaller than that of the manipulation section, and the stretching section is sleeved with a soft spacer.

Furthermore, the soft spacer sleeve is made of silica gel.

Compared with the prior art, the utility model discloses following advantage has:

(1) the nose bile duct mouth-nose conversion device of the utility model is provided with a rod body, an operation unit arranged on the rod body in a sliding way, and a guide wire with one end fixedly connected with the rod body and the other end fixedly connected with the operation unit; an operator can hold the rod body through a palm, the operating unit is pushed by a thumb to control the opening and the contraction of the guide wire, the traction tube is sleeved when the guide wire is opened, and the traction tube is clamped when the guide wire is contracted, so that the traction tube can be conveniently pulled out of the oral cavity to be connected with the nasal bile duct; and through set up the lighting assembly who is used for carrying out the illumination to patient's oral cavity on the body of rod, the operator need not to operate lighting device in addition, and the operation of being convenient for can improve the success rate of nose bile duct oronasal conversion to reduce patient's misery.

(2) A square blind hole is formed in the rod body, and a first threaded hole is formed in the rod body and penetrates through the side wall of the square blind hole; the seal wire can be inserted into the square blind hole, the first screw rod can be screwed into the first threaded hole and tightly press the seal wire, so that the seal wire is fixedly connected with the rod body, the structure is simple, and the seal wire is convenient to replace.

(3) Through set up square through hole on T type piece, the lateral wall that runs through this square through hole sets up the second screw hole to set up the second screw rod with second screw hole spiro union on the slider body, can not only constitute the seal wire by the spiro union of second screw rod and second screw hole and should control the unit between fixed, can also constitute the piece body and T type piece between fixed, simple structure, it is convenient to manipulate.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an isometric view of a nasobiliary tube oronasal adapter according to a first embodiment of the present invention;

fig. 2 is a cross-sectional view of a rod body according to a first embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a front view of a nasobiliary tube oronasal conversion device according to a first embodiment of the present invention;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 4;

FIG. 6 is a cross-sectional view taken at C-C of FIG. 4;

fig. 7 is a schematic structural view of a rod body according to a second embodiment of the present invention.

Description of reference numerals:

1-rod body, 11-extension section, 12-operation section, 13-baffle, 101-blind hole, 102-first threaded hole, 103-groove, 104-guide groove, 105-battery compartment, 2-operation unit, 21-body, 211-second screw rod, 22-T-shaped block, 201-through hole, 202-second threaded hole, 3-guide wire, 4-first screw rod and 5-lamp bead.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

The embodiment relates to a nose-bile duct mouth-nose conversion device, which is shown in fig. 1 to 3 and comprises a rod body 1, an operation unit 2 arranged on the rod body 1 in a sliding manner, and a guide wire 3, one end of which is fixedly connected with the rod body 1, and the other end of which is fixedly connected with the operation unit 2, wherein the guide wire 3 is used for clamping a traction tube extending into a throat from a nasal cavity of a patient with the rod body 1 along with the sliding of the operation unit 2; and the rod body 1 is provided with an illuminating component for illuminating the oral cavity of a patient.

Referring to fig. 1 and 2, the rod body 1 of the present embodiment is generally cylindrical, and the length thereof is greater than the depth of the oral cavity of a patient, so that when one end of the interior of the rod body 1 extends into the oral cavity of the patient, an operator can hold the end of the rod body 1 and operate the rod body outside the oral cavity of the patient; for convenience of description, a section of the rod 1 extending into the mouth of the patient is referred to as an extending section 11, and a section of the rod 1 located outside the mouth of the patient is referred to as an operating section 12. It should be noted that the length between the extending section 11 and the manipulating section 12 can be changed according to the size of the patient's mouth.

In this embodiment, referring to fig. 2 to 5, a square blind hole 101 is formed at one end of the inside of the extending section 11, and the blind hole 101 is eccentrically disposed. A threaded hole is formed in the side wall penetrating through the outer side of the square hole; for the convenience of distinguishing, the threaded hole is called as a first threaded hole 102 in the following description, one end of the guide wire 3 can be arranged in the square hole in a penetrating manner, a first screw rod 4 is screwed in the first threaded hole 102, and when the first screw rod 4 is screwed, the guide wire 3 can be tightly pressed on the inner wall of the square hole by the first screw rod 4, so that the guide wire 3 is fixedly connected with the rod body 1; when the first screw rod 4 is unscrewed, the guide wire 3 can be drawn out, so that the guide wire 3 can be conveniently replaced when the fatigue life is reached.

A groove 103 is formed on the other opposite side of the extending section 11 relative to the side provided with the first threaded hole 102, and the groove 103 extends from one end inside the extending section 11 to be connected with a guide groove 104 described below; the other end of the guide wire 3 can pass through the groove 103 and then be connected with a slide block described below.

In order to make the guide wire 3 slide in the groove 103 to prevent the guide wire 3 from coming out of the groove 103, referring to fig. 1, in this embodiment, a plurality of baffles 13 are fixedly disposed on the rod body 1, two ends of each baffle 13 are respectively connected with two side walls of the groove 103, and the baffles 13 are arranged at intervals along the length direction of the groove 103.

In this embodiment, a guide groove 104 is formed on the outer periphery of the operating section 12, and the guide groove 104 extends along the length direction of the operating section 12; the aforementioned operating unit 2 includes a slider slidably guided in the guide groove 104. Referring to fig. 1 and 6, the guide groove 104 of this embodiment is preferably a T-shaped groove, and the slider includes a block body 21 located outside the rod body 1, and a T-shaped block 22 fixed to the block body 21 and adapted to the T-shaped groove. The operator can move the guide wire 3 by pushing the block body 21.

In this embodiment, referring to fig. 6, a square through hole 201 is formed through the T-shaped block 22 along the length direction of the guide groove 104, and the other end of the guide wire 3 can penetrate into the through hole 201; a second threaded hole 202 is formed through the outer side wall of the through hole 201, a second screw 211 is fixedly arranged on the block body 21, and the second screw 211 can be screwed into the second threaded hole 202 to press the guide wire 3 tightly and form a fixed connection between the T-shaped block 22 and the block body 21.

Referring to fig. 2, the lighting assembly of this embodiment includes a lamp bead 5 fixedly disposed at one end inside the extending section 11, and a power supply unit disposed in the rod body 1 and capable of supplying power to the lamp bead 5. The lamp beads 5 are preferably LED lamp beads 5; a battery compartment 105 is formed at the end of the operating section 12, and the power supply unit described above employs dry batteries mounted in the battery compartment 105. It should be noted that the power supply unit is not limited thereto, and for example, a rechargeable lithium battery, a button battery, or the like may be used as the power supply unit. The circuit structure for supplying power to the lamp bead 5 by the power supply unit can refer to the existing mature technology, and is not detailed here.

The using process of the nose-bile duct oronasal conversion device of the embodiment is as follows: an operator firstly turns on the switch to light the lamp bead 5 and pushes the control unit 2 inwards to make the guide wire 3 in an open state; the operator stretches the traction tube into the throat of a patient from the nasal cavity of the patient, stretches the rod body 1 into the oral cavity of the patient, sleeves the traction tube with the guide wire 3, pushes the operation unit 2 outwards to enable the guide wire 3 and the rod body 1 to clamp the traction tube, drives the traction tube to stretch out of the oral cavity through the rod body 1, connects the traction tube with the bile duct, and pulls out the bile duct from the nasal cavity of the patient through the traction tube.

In summary, the nasobiliary tube oronasal switching device according to the present embodiment includes a rod body 1, an operation unit 2 slidably disposed on the rod body 1, and a guide wire 3 having one end fixedly connected to the rod body 1 and the other end fixedly connected to the operation unit 2; an operator can hold the rod body 1 through a palm, the operating unit 2 is pushed by a thumb to control the opening and the contraction of the guide wire 3, the traction tube is sleeved when the guide wire 3 is opened, and the traction tube is clamped when the guide wire 3 is contracted, so that the traction tube can be conveniently pulled out of the oral cavity to be connected with the nasal bile duct; and through set up the lighting assembly who is used for carrying out the illumination to patient's oral cavity on the body of rod 1, the operator need not to operate lighting device in addition, and the operation of being convenient for can improve the success rate of nose bile duct oronasal conversion to reduce patient's misery.

Example two

The present embodiment relates to a nasal-biliary tube oronasal conversion device, which has substantially the same structure as the nasal-biliary tube oronasal conversion device described in the first embodiment, and the difference lies in: referring to fig. 7, the manipulation section 12 of the present embodiment is cylindrical and the insertion section 11 is curved to better match the shape of the patient's mouth.

When the body of rod 1 of this embodiment stretched into patient's oral cavity, the position of the traction tube can better be arrived to seal wire 3, can reduce patient's uncomfortable and feel to have higher success rate.

EXAMPLE III

The present embodiment relates to a nasal-biliary tube oronasal conversion device, which has substantially the same structure as the nasal-biliary tube oronasal conversion device described in the first embodiment or the second embodiment, except that: in this embodiment, the diameter of the extending section 11 is set to be smaller than that of the operating section 12, and a soft spacer is sleeved on the extending section 11, for example, the soft spacer is made of a silicone material, and the soft spacer is not shown in the drawings of this embodiment since it does not affect understanding.

Because the mouth of the patient may be unconsciously closed to bite the rod body 1, the hard rod body 1 may hurt the teeth of the patient, and in the embodiment, by arranging the soft spacer sleeve, the soft spacer sleeve can buffer the teeth of the patient when the patient bites the rod body 1, so that the injury to the teeth of the patient is reduced.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a nose bile duct oronasal conversion equipment which characterized in that: the nose bile duct mouth-nose conversion device comprises a rod body, an operation unit arranged on the rod body in a sliding manner, and a guide wire, wherein one end of the guide wire is fixedly connected with the rod body, and the other end of the guide wire is fixedly connected with the operation unit; and the rod body is provided with an illuminating component for illuminating the oral cavity of the patient.

2. The nasobiliary oronasal transition device of claim 1, wherein: the lighting unit comprises a lamp bead arranged at one end of the rod body, which is used for extending into the oral cavity of a patient, and a power supply unit arranged in the rod body and capable of supplying power to the lamp bead.

3. The nasobiliary oronasal conversion device of claim 2, wherein: the body of rod, deviate from one of lamp pearl is served and is provided with the battery compartment, the power supply unit is including installing dry battery in the battery compartment.

4. The nasobiliary oronasal transition device of claim 1, wherein: the novel guide wire is characterized in that one end of the rod body, which is used for extending into the oral cavity of a patient, is provided with a square blind hole, a first threaded hole is formed in the side wall penetrating through the blind hole, the blind hole is used for inserting the fixed end of the guide wire, and the first threaded hole is used for screwing in and pressing the guide wire by a first screw rod.

5. The nasobiliary oronasal transition device of claim 1, wherein: the body of rod is including stretching into section and the control section of concatenating mutually, stretch into the section and be used for stretching into patient's oral cavity, the guide way has been seted up on the periphery of control section, the guide way is followed the length direction of control section extends the setting, the control unit includes that the direction is gliding to be located slider in the guide way.

6. The nasobiliary oronasal conversion device of claim 5, wherein: the guide groove adopts T type groove, the slider include the piece body with the piece body rigid coupling and with the T type piece of T type groove adaptation.

7. The nasobiliary oronasal conversion device of claim 6, wherein: the stretching section is in a bent shape, a groove is formed in the side wall of the stretching section, the groove extends along the length direction of the stretching section and is connected with the guide groove, the groove is used for allowing the free end of the guide wire to penetrate and is fixedly connected with the block body, and a baffle plate is arranged on the rod body, two ends of the baffle plate are fixedly connected with two sides of the groove respectively, and is used for limiting the guide wire to be separated from the groove.

8. The nasobiliary oronasal transition device of claim 7, wherein: run through T type piece and seted up the through-hole, the through-hole is used for supplying the free end of seal wire to penetrate, runs through the lateral wall of through-hole and seted up the second screw hole, set firmly the second screw rod on the piece body, the second screw rod can in second screw hole spiro union compresses tightly the seal wire.

9. The nasobiliary oronasal conversion device of claim 5, wherein: the cross-section of the manipulation section and the cross-section of the stretching section are both circular, the diameter of the stretching section is smaller than that of the manipulation section, and a soft spacer sleeve is sleeved on the stretching section.

10. The nasobiliary oronasal transition device of claim 9, wherein: the soft spacer sleeve is made of silica gel.