CN203424998U - Fast cricothyroid membrane cutter - Google Patents
Fast cricothyroid membrane cutter Download PDFInfo
- Publication number
- CN203424998U CN203424998U CN201320545630.8U CN201320545630U CN203424998U CN 203424998 U CN203424998 U CN 203424998U CN 201320545630 U CN201320545630 U CN 201320545630U CN 203424998 U CN203424998 U CN 203424998U
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- knife
- handle
- adjustable plate
- blade
- tong arm
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Abstract
The utility model relates to a fast cricothyroid membrane cutter, comprising a clamp body which is formed by hinging two clamp arms, wherein the front end of each of the two clamping arms is a clamping part, the inner sides of the upper end surface of each clamping part are provided with grooves oppositely, the front end of each clamping part bends downwardly and extends to form a conical extending part, opposite walls of the two conical extending parts are symmetrically provided with positioning grooves, a knife handle is clamped between the two clamping parts of the two clamping arms, the lower end of the knife handle is provided with a connecting part, two sides of the connecting part are provided with positioning projections corresponding to the positioning grooves, a blade is detachably mounted on the connecting part, the lower end of the blade extends out of the conical extending parts, a support adjusting plate is arranged between rear parts of the clamping arms, a spring sheet is arranged behind the support adjusting plate, and two ends of the spring sheet is respectively fixed and connected with the two clamping arms. The fast cricothyroid membrane cutter is simple in operation, is safe and reliable in application, incises wounds consistent in size, causes less wound bleeding, is applicable to various rescue sites, and can quickly relieve the upper respiratory tract congestion caused by various reasons to maintain normal ventilation function.
Description
Technical field
This utility model relates to medical instruments field, particularly a kind of quick device for cricothyroid laryngotomy.
Background technology
Because the respiratory obstruction sick and wounded can be choked to death and die several minutes endogenous causes of ill, so Rapid Establishment airway to keep it unobstructed be the important means of rescuing the respiratory obstruction sick and wounded.At present, the method for respiratory obstruction first aid mainly contains thyrocricoid puncture or the incision of ring first film clinically, although wherein thyrocricoid puncture adopts medical puncture needle, because puncture needle caliber is little, often has hypoventilation, the inadequate shortcoming of oxygen supply.And existing ring first film cutter, if the patent No. is 03271152.2 disclosed " the quick cutter of ring first film ", this cutter is that two cutter head sheet other ends are that double tool rest with handle forms by adopting the hinged fixing one end of decussation hinge, two bits are that the knife back is overlapping in closure afterwards, two blades expose shape to both sides, closure along with double tool rest, separately, the corresponding overlapping closure of two bits of front end and separately, although this cutter can be realized the quick incision of ring first film, but due to when cutting, to utilize the blade of bit will encircle the incision of first film place, exist incision wound not of uniform size, wound is hemorrhage many, the deficiencies such as complicated operation.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, a kind of quick device for cricothyroid laryngotomy is provided, it is simple to operate, safe and reliable, incision wound is in the same size, and wound goes out insufficiency of blood, is applicable to various rescues on-the-spot, the upper respiratory tract that can remove rapidly due to a variety of causes stops up, and maintains normal ventilatory function.
The purpose of this utility model is achieved in that a kind of quick device for cricothyroid laryngotomy, comprise by two tong arms by the hinged caliper forming, the front end of two tong arms is clamping part, the inner side, upper surface of each clamping part is provided with in opposite directions for the groove of handle of a knife is installed, the front end of each clamping part is bent downwardly and extends to form taper extension, on two taper extensions wall in opposite directions, be arranged with the locating slot for position tool shanks, one handle of a knife is clamped between two clamping parts of two tong arms, the lower end of described handle of a knife is provided with for connecting the connecting portion of blade, the both sides of described connecting portion are provided with the positioning convex corresponding with locating slot, blade is dismountable to be arranged on the connecting portion of handle of a knife lower end, stretch out downwards outside taper extension the lower end of described blade, between the rear portion of two tong arms, arrange one for regulating the support adjustable plate of two tong arm opening and closing degree, the rear of described support adjustable plate arranges a spring leaf, the two ends of described spring leaf are fixedly connected with two tong arms respectively.
Described tong arm, handle of a knife, blade, support adjustable plate, spring leaf are stainless steel material.
Angle α between described taper extension and tong arm is 70～90 °, and the length of this taper extension is 40～50mm.
The upper end of described locating slot is communicated with groove, lower end closed, and the width of this locating slot is 2～4mm, the degree of depth is 1～2mm.
The upper end of described handle of a knife is positioned at outside tong arm, and the upper end of handle of a knife is provided with the tiger's jaw plate vertical with handle of a knife.
Described tiger's jaw plate is stainless steel material.
The length that stretch out outside taper extension described blade lower end is 0.1～0.5mm.
Described support adjustable plate is rectangle, support adjustable plate and be provided with bar shaped adjustment hole, on one side opening wall of described bar shaped adjustment hole, be provided with side by side a plurality of serrated slot for locating, one end of described support adjustable plate is fixed on the first tong arm by the first screw, the second screw that the other end of support adjustable plate is provided with the second tong arm by bar shaped adjustment hole is flexibly connected, and the serrated slot that the second screw on the second tong arm falls into bar shaped adjustment hole forms location.
Described spring leaf is S shape.
Adopt technique scheme: because the front end of two tong arms is clamping part, the inner side, upper surface of each clamping part is provided with in opposite directions for the groove of handle of a knife is installed, the front end of each clamping part is bent downwardly and extends to form taper extension, on two taper extensions wall in opposite directions, be arranged with the locating slot for position tool shanks, one handle of a knife is clamped between two clamping parts of two tong arms, the lower end of described handle of a knife is provided with for connecting the connecting portion of blade, the both sides of described connecting portion are provided with the positioning convex corresponding with locating slot, blade is dismountable to be arranged on the connecting portion of handle of a knife lower end, stretch out downwards outside taper extension the lower end of described blade, and between the rear portion of two tong arms, arrange one for regulating the support adjustable plate of two tong arm opening and closing degree, the rear of described support adjustable plate arranges a spring leaf, the two ends of described spring leaf are fixedly connected with two tong arms respectively, like this when needs are during to patient's row cricothyroid laryngotomy, medical personnel first hold pressing tongs arm rear portion with one, the clamping part of tong arm front end is opened, then with another hands, the handle of a knife of installing blade is inserted between two clamping parts, after handle of a knife inserts, two clamping parts are closed, inner side, upper surface by each clamping part is provided with the locating slot for position tool shanks being provided with for the wall of the groove of handle of a knife and the taper extension of each clamping part is installed in opposite directions, handle of a knife is clamped between two clamping parts, and stretch out downwards outside taper extension the lower end of blade, now by the taper extension aligning sick and wounded's of clamping part ring first film place and perpendicular to skin, the blade that utilizes blade lower end to stretch out outside taper extension pierces through ring first film, after having the sense that falls through, stop thrusting, grip pressure tong arm rear portion struts clamping part on the other hand, another hands takes out after handle of a knife and the taper extension of clamping part and skin to be to 45 ° to push ahead, make 2/3 of taper extension enter trachea, the rear portion of grip pressure tong arm struts clamping part and supports with supporting adjustable plate, location, finally getting corresponding tracheal intubation or metal catheter inserts in trachea along between the clamping part strutting, extract this cutter out, tracheal intubation or metal catheter can be fixed on to patient's cervical region, fast, safety, complete reliably cricothyroid laryngotomy.Compare with existing ring first film cutter, this quick device for cricothyroid laryngotomy is simple to operate, safe and reliable, incision wound is in the same size, and wound goes out insufficiency of blood, is applicable to various rescues on-the-spot, the upper respiratory tract that can remove rapidly due to a variety of causes stops up, and maintains normal ventilatory function.
Owing to supporting adjustable plate, it is rectangle, support adjustable plate and be provided with bar shaped adjustment hole, on one side opening wall of described bar shaped adjustment hole, be provided with side by side a plurality of serrated slot for locating, one end of described support adjustable plate is fixed on the first tong arm by the first screw, the second screw that the other end of support adjustable plate is provided with the second tong arm by bar shaped adjustment hole is flexibly connected, the serrated slot that the second screw on the second tong arm falls into bar shaped adjustment hole forms location, makes the opening and closing degree between two tong arms regulate and to locate by supporting adjustable plate.
Accompanying drawing explanation
Fig. 1 is the structural representation of caliper of the present utility model;
Fig. 2 is the structural representation of handle of a knife of the present utility model;
Fig. 3 is the partial sectional view of taper extension of the present utility model;
Fig. 4 is using state schematic diagram of the present utility model.
In accompanying drawing, 1 is the first tong arm, and 2 is the second tong arm, 11,21 is clamping part, and 111,211 is groove, and 112,212 is taper extension, 112a, 212a are locating slot, and 3 is handle of a knife, and 31 is connecting portion, 31a is positioning convex, and 4 for supporting adjustable plate, and 41 is bar shaped adjustment hole, 41a is serrated slot, and 5 is spring leaf, and 6 is blade, 7 is tiger's jaw plate, and 81 is the first screw, and 82 is the second screw.
The specific embodiment
Referring to Fig. 1 to Fig. 4, a kind of embodiment of quick device for cricothyroid laryngotomy, this cutter comprises by two tong arms 1,2 by the hinged caliper forming.The front end of two tong arms 1,2 is clamping part 11,21, the inner side, upper surface of each clamping part is provided with in opposite directions for the groove 111,211 of handle of a knife 3 is installed, the front end of each clamping part is bent downwardly and extends to form taper extension 112,212, angle α between described taper extension and tong arm is 70～90 °, and the length of this taper extension is 40～50mm.On two taper extensions wall in opposite directions, be arranged with locating slot 112a, the 212a for position tool shanks 3, the upper end of described locating slot is communicated with groove, lower end closed, and the width of this locating slot is 2～4mm, the degree of depth is 1～2mm.One handle of a knife 3 is clamped between two clamping parts 11,21 of two tong arms, the lower end of described handle of a knife 3 is provided with for connecting the connecting portion 31 of blade 6, the both sides of described connecting portion 31 are provided with the positioning convex 31a corresponding with locating slot, blade 6 is dismountable to be arranged on the connecting portion 31 of handle of a knife lower end, stretch out downwards outside taper extension the lower end of described blade 6, and the length that stretch out outside taper extension described blade lower end is 0.1～0.5mm; The upper end of described handle of a knife 3 is positioned at outside tong arm, and the upper end of handle of a knife 3 is provided with the tiger's jaw plate 7 vertical with handle of a knife 3, and this tiger's jaw plate 7 is stainless steel material, and tiger's jaw plate 7 is stressed for supporting, and is convenient to carry out otomy.Two tong arms 1, between 2 rear portion, arrange one for regulating the support adjustable plate 4 of two tong arm opening and closing degree, described support adjustable plate 4 is rectangle, support adjustable plate 4 and be provided with bar shaped adjustment hole 41, on one side opening wall of described bar shaped adjustment hole 41, be provided with side by side a plurality of serrated slot 41a for locating, one end of described support adjustable plate 4 is fixed on the first tong arm 1 by the first screw 81, the second screw 82 that the other end of support adjustable plate 4 is provided with the second tong arm 2 by bar shaped adjustment hole 41 is flexibly connected, the serrated slot 41a that the second screw 82 on the second tong arm 2 falls into bar shaped adjustment hole forms location, make two tong arms 1, opening and closing degree between 2 can regulate and locate by supporting adjustable plate 4.The rear of described support adjustable plate 4 arranges a spring leaf 5, and the two ends of described spring leaf 5 are fixedly connected with two tong arms respectively, and described spring leaf 5 is S shape, for supporting opening and closing and the reset of tong arm.Described tong arm, handle of a knife 3, blade 6, support adjustable plate 4, spring leaf 5 are stainless steel material, convenient making, and cost is low.
During use, first blade is arranged on to the lower end of handle of a knife, then about 10mm is opened by the clamping part of two tong arm front ends in left hand grip pressure two tong arm rear portions, the right hand inserts handle of a knife between two clamping parts, after handle of a knife inserts, two clamping parts are closed, inner side, upper surface by each clamping part is provided with the locating slot for position tool shanks being provided with for the wall of the groove of handle of a knife and the taper extension of each clamping part is installed in opposite directions, handle of a knife is clamped between two clamping parts, and stretch out outside taper extension the lower end of blade, thereby complete the assembling of quick device for cricothyroid laryngotomy downwards.During to patient's row cricothyroid laryngotomy, by the padded 120～150mm of patient's shoulder, make its head layback, after the ring first of fining out about film location, by left hand thumb and forefinger taught skin, fix trunnion, the thumb of the right hand and forefinger clamp the middle part of the clamping part of tong arm, large fish flesh is close to the tiger's jaw plate of handle of a knife upper end, the taper extension of clamping part is perpendicular to skin, walk crosswise and thrust ring first film, after having the sense that falls through, stop thrusting, now, left hand grip pressure tong arm afterbody struts clamping part, the right hand takes out after handle of a knife and the taper extension of clamping part and skin to be to 45 ° to push ahead, make 2/3 of taper extension enter trachea, the rear portion of grip pressure tong arm struts clamping part and supports with supporting adjustable plate, location, getting corresponding tracheal intubation or metal catheter inserts in trachea along between the clamping part strutting, extract this cutter out, tracheal intubation or metal catheter can be fixed on to patient's cervical region, thereby fast, safety, complete reliably cricothyroid laryngotomy.This utility model is simple to operate, and rapidly, practician can complete for 20 seconds, is applicable to various rescue on-the-spot, can remove rapidly the upper respiratory tract obstruction due to a variety of causes, maintains normal ventilatory function.
Above embodiment is preferred embodiment described this utility model; not scope of the present utility model is limited; relate under the prerequisite of spirit not departing from this utility model, various distortion that those of ordinary skill in the art makes the technical solution of the utility model and improving all fall in the definite protection domain of claim of the present utility model.
Claims (9)
1. a quick device for cricothyroid laryngotomy, comprise by two tong arms (1, 2) by the caliper of hinged formation, it is characterized in that: two tong arms (1, 2) front end is clamping part (11, 21), the inner side, upper surface of each clamping part is provided with in opposite directions for the groove (111 of handle of a knife (3) is installed, 211), the front end of each clamping part is bent downwardly and extends to form taper extension (112, 212), on two taper extensions wall in opposite directions, be arranged with the locating slot (112a for position tool shanks (3), 212a), one handle of a knife (3) is clamped to two clamping parts (11 of two tong arms, 21) between, the lower end of described handle of a knife (3) is provided with the connecting portion (31) for connecting blade (6), the both sides of described connecting portion (31) are provided with the positioning convex corresponding with locating slot (31a), blade (6) is dismountable to be arranged on the connecting portion (31) of handle of a knife lower end, stretch out downwards outside taper extension the lower end of described blade (6), two tong arms (1, 2) between rear portion, arrange one for regulating the support adjustable plate (4) of two tong arm opening and closing degree, the rear of described support adjustable plate (4) arranges a spring leaf (5), the two ends of described spring leaf (5) are fixedly connected with two tong arms respectively.
2. quick device for cricothyroid laryngotomy according to claim 1, is characterized in that: described tong arm, handle of a knife (3), blade (6), support adjustable plate (4), spring leaf (5) are stainless steel material.
3. quick device for cricothyroid laryngotomy according to claim 1, is characterized in that: the angle α between described taper extension and tong arm is 70～90 °, and the length of this taper extension is 40～50mm.
4. quick device for cricothyroid laryngotomy according to claim 1, is characterized in that: the upper end of described locating slot is communicated with groove, lower end closed, and the width of this locating slot is 2～4mm, the degree of depth is 1～2mm.
5. quick device for cricothyroid laryngotomy according to claim 1, is characterized in that: the upper end of described handle of a knife (3) is positioned at outside tong arm, and the upper end of handle of a knife (3) is provided with the tiger's jaw plate (7) vertical with handle of a knife (3).
6. quick device for cricothyroid laryngotomy according to claim 5, is characterized in that: described tiger's jaw plate (7) is stainless steel material.
7. quick device for cricothyroid laryngotomy according to claim 1, is characterized in that: the length that stretch out outside taper extension described blade lower end is 0.1～0.5mm.
8. quick device for cricothyroid laryngotomy according to claim 1, it is characterized in that: described support adjustable plate (4) is rectangle, support adjustable plate (4) and be provided with bar shaped adjustment hole (41), on one side opening wall of described bar shaped adjustment hole (41), be provided with side by side a plurality of serrated slot (41a) for locating, one end of described support adjustable plate (4) is fixed on the first tong arm (1) by the first screw (81), the second screw (82) that the other end of support adjustable plate (4) is provided with the second tong arm (2) by bar shaped adjustment hole (41) is flexibly connected, the serrated slot (41a) that the second screw (82) on the second tong arm (2) falls into bar shaped adjustment hole forms location.
9. quick device for cricothyroid laryngotomy according to claim 1, is characterized in that: described spring leaf (5) is S shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545630.8U CN203424998U (en) | 2013-09-04 | 2013-09-04 | Fast cricothyroid membrane cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320545630.8U CN203424998U (en) | 2013-09-04 | 2013-09-04 | Fast cricothyroid membrane cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203424998U true CN203424998U (en) | 2014-02-12 |
Family
ID=50054063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320545630.8U Expired - Lifetime CN203424998U (en) | 2013-09-04 | 2013-09-04 | Fast cricothyroid membrane cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203424998U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771194A (en) * | 2015-04-21 | 2015-07-15 | 江汉大学 | Clamp type pathological sampling knife handle |
| CN105476673A (en) * | 2016-01-20 | 2016-04-13 | 徐景鹏 | Urologic surgical operation protector |
| CN111407365A (en) * | 2020-03-31 | 2020-07-14 | 中国人民解放军总医院 | Gasbag pressure indication type cricothyroid membrane cuts suit |
| CN112190313A (en) * | 2020-09-30 | 2021-01-08 | 中国人民解放军总医院第一医学中心 | Olecranon type tracheotomy and distraction integrated forceps |
-
2013
- 2013-09-04 CN CN201320545630.8U patent/CN203424998U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771194A (en) * | 2015-04-21 | 2015-07-15 | 江汉大学 | Clamp type pathological sampling knife handle |
| CN105476673A (en) * | 2016-01-20 | 2016-04-13 | 徐景鹏 | Urologic surgical operation protector |
| CN111407365A (en) * | 2020-03-31 | 2020-07-14 | 中国人民解放军总医院 | Gasbag pressure indication type cricothyroid membrane cuts suit |
| CN112190313A (en) * | 2020-09-30 | 2021-01-08 | 中国人民解放军总医院第一医学中心 | Olecranon type tracheotomy and distraction integrated forceps |
| CN112190313B (en) * | 2020-09-30 | 2024-04-12 | 中国人民解放军总医院第一医学中心 | Olecranon type tracheotomy and propping open integrated pliers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
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| CX01 | Expiry of patent term |