CN210494173U

CN210494173U - Inflatable tourniquet capable of controlling deflation time

Info

Publication number: CN210494173U
Application number: CN201920981345.8U
Authority: CN
Inventors: 王子振彪; 郭礼清; 宋萍; 黎一页; 庄惠华; 欧阳云朗; 张宁; 陈婉怡
Original assignee: First Affiliated Hospital Of Hainan Medical College
Current assignee: First Affiliated Hospital Of Hainan Medical College
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-12
Anticipated expiration: 2029-06-27

Abstract

The utility model provides an inflatable tourniquet capable of controlling deflation time, which comprises a tourniquet main body, an inflation unit and an exhaust unit, wherein the tourniquet main body comprises an air bag layer, a fixing band, a base, a one-way valve air nozzle and an air outlet column, the fixing band is connected with two ends of the air bag layer, the base is arranged on the air bag layer, the one-way valve air nozzle and the air outlet column are arranged on the base and are respectively communicated with the air bag layer, and the inflation unit is connected with the one-way valve air nozzle; the exhaust unit comprises an exhaust pipe and a control box, the control box comprises a box body and a cover, a screw post is arranged in the box body, a through hole is formed in the cover, the cover is connected with the box body through a screw, a three-way pipe is arranged in the box body, one end of the exhaust pipe is connected with the exhaust post, the other end of the exhaust pipe is connected with one interface of the three-way pipe, and an exhaust valve and a pressure display unit are respectively connected with the other two interfaces of the three-way. The utility model discloses set up the regulation stopper in discharge valve for adjust carminative speed, solve the problem of the long control of time of exhausting.

Description

Inflatable tourniquet capable of controlling deflation time

Technical Field

The utility model relates to a tourniquet technical field, in particular to inflatable tourniquet of steerable gassing time.

Background

The inflatable compression tourniquet is widely applied to limb operations, can effectively control wound bleeding, ensures no bleeding of an incision, and has the characteristics of clear operative field, convenient operation of an operator and shortened operation time. Improper use of the inflatable tourniquet can cause various complications, such as muscle and nerve injury due to mechanical compression of the tourniquet, tourniquet shock, and the like.

The using time limit of the inflatable tourniquet is one of important factors for safe use, the safe time limit is determined according to the age, the body condition and the blood supply condition of the extremities of a patient, the maintaining time limit of the tourniquet applied to the upper limb is 1h, the maintaining time limit of the tourniquet applied to the lower limb is 1.5h, if the required time is long, the maintaining time limit needs to be reached, the air in the air bag is exhausted, the air is recharged to the original pressure height after 10 minutes, otherwise, the maintaining time limit of the tourniquet is too long, muscle and nerve injuries or skin ecchymosis and water blister can be caused, and the patient can be seriously injured. In addition, when a patient uses the tourniquet, the extremity is ischemic, the blood is re-infused after the gas in the air bag is released, if the gas is released too fast, local or whole-body inflammatory reaction is easily caused, and tourniquet shock can be seriously caused. At present, tourniquet on the market is not controlled to the gassing for a long time, and in the in-service use, the incessant folding blast pipe of nurse of needs during the gassing controls the length of time of gassing, has increased the manpower amount of labour, and the control precision is relatively poor, produces harmful effects to going on smoothly of operation.

Disclosure of Invention

In view of this, the utility model provides an inflatable tourniquet of steerable gassing time sets up the regulation stopper in discharge valve for adjust carminative speed, solve the problem of the long control of time of exhausting.

The technical scheme of the utility model is realized like this: an inflatable tourniquet capable of controlling deflation time comprises a tourniquet main body, an inflation unit and an exhaust unit, wherein the tourniquet main body comprises an air bag layer, a fixing band, a base, a one-way valve air nozzle and an air outlet column, the fixing band is connected with two ends of the air bag layer, the base is arranged on the air bag layer, the one-way valve air nozzle and the air outlet column are arranged on the base and are respectively communicated with the air bag layer, and the inflation unit is connected with the one-way valve air nozzle; the exhaust unit comprises an exhaust pipe and a control box, the control box comprises a box body and a cover, a screw post is arranged in the box body, a through hole is arranged on the cover, the cover is connected with the box body through a screw, a three-way pipe is arranged in the box body, one end of the exhaust pipe is connected with the exhaust post, the other end of the exhaust pipe is connected with one interface of the three-way pipe, the other two interfaces of the three-way pipe are respectively connected with an exhaust valve and a pressure display unit, the exhaust valve comprises a valve body, an adjusting plug is arranged in the valve body, the bottom of the adjusting plug is connected with the bottom of the valve body through a rotating shaft, an air inlet pipe is arranged at the bottom of the valve body, the air inlet pipe is connected with the interface of the three-way pipe, a plurality of exhaust holes with different apertures are arranged on the, with the one end of connecting axle is connected with the regulation carousel, be provided with the pilot mark on the regulation carousel, the position of pilot mark with exhaust hole position corresponds, with still be connected with a blast pipe on the lateral wall of valve body, still be provided with the engaging lug on the lateral wall of valve body, be provided with the through-hole on the engaging lug, discharge valve passes through the engaging lug with screw post screw connection.

Furthermore, the inflation unit comprises an air pipe and an air pump, one end of the air pipe is connected with the air pump, and the other end of the air pipe is connected with the one-way valve air nozzle.

Furthermore, a magic tape is arranged on the fixing belt.

Furthermore, the number of exhaust holes is 3, and the exhaust holes are uniformly distributed at 90 degrees.

Furthermore, a plurality of guide holes are uniformly distributed on the adjusting plug, a connecting column is correspondingly connected to the pressing plug and the guide holes, the connecting column is sleeved in the guide holes, a first connecting spring is sleeved outside the connecting column, one end of the first connecting spring is connected with the pressing plug, and the other end of the first connecting spring is connected with the adjusting plug.

Furthermore, the number of the guide holes is 4, and the guide holes are uniformly distributed on the adjusting plugs.

Furthermore, an exhaust whistle is connected with one end of the exhaust pipe.

Further, the pressure display unit includes the casing, the casing with the interface connection of three-way pipe, be provided with the pressure indication pole in the casing, pressure indication pole bottom is connected with sealed cushion, be provided with sealed edge on the sealed cushion, be provided with the seal groove in the casing, be provided with the connection pad on the pressure indication pole, with the connection pad is connected with second coupling spring, second coupling spring cover is established outside the pressure indication pole, the other end of second coupling spring with the casing is connected, be provided with the pressure indication scale on the pressure indication pole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up the regulation stopper in discharge valve, set up the different exhaust holes in aperture on the regulation stopper to rotate the regulation stopper through adjusting the carousel, make the exhaust hole in different apertures aim at the intake pipe, realize exhaust rate's control, reach the long purpose of control exhaust, the control precision is high, and saved the manpower, be favorable to going on smoothly of operation.

The utility model discloses a set up and press the stopper to be connected with the regulation stopper through first connecting spring on pressing the stopper, at the gassing in-process, if emergency appears and need suspend the gassing, then only need press and adjust the carousel, press the stopper then by pushing down with adjust the stopper contact, exhaust passage is blocked, realizes the function of suspending the gassing, is favorable to emergency's processing.

The utility model discloses a set up the pressure display unit, adopt mechanical type's pressure indication pole to show pressure, simple structure, it is reliable to show, and is convenient for observe.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a partial cross-sectional view of the exhaust unit of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a partial sectional view of the exhaust valve of the present invention.

In the figure, 1 is a tourniquet main body, 11 is an air bag layer, 12 is a fixing band, 13 is a base, 14 is a one-way valve nozzle, 15 is an air outlet column, 2 is an inflation unit, 21 is an air pipe, 22 is an air pump, 3 is an exhaust unit, 31 is an air outlet pipe, 32 is a control box, 321 is a box body, 322 is a cover, 323 is a screw column, 33 is a three-way pipe, 34 is an exhaust valve, 341 is a valve body and 342 is an air inlet pipe, 343 is an adjusting plug, 343-1 is an exhaust hole, 343-2 is a guide hole, 344 is a pressing plug, 344-1 is a connecting column, 345 is a first connecting spring, 346 is a connecting shaft, 347 is an adjusting turntable, 348 is an exhaust pipe, 349 is a connecting lug, 35 is an exhaust whistle, 36 is a pressure display unit, 361 is a shell, 362 is a pressure indicating rod, 363 is a sealing rubber gasket, 363-1 is a sealing edge, 364 is a sealing groove, 365 is a connecting disc and 366 is a second connecting spring.

Detailed Description

In order to better understand the technical content of the present invention, the following embodiments are provided, and the present invention is further described with reference to the accompanying drawings.

Example 1

Referring to fig. 1-5, a steerable time of deflating inflatable tourniquet, includes tourniquet main part 1, aerifys unit 2 and exhaust unit 3, tourniquet main part 1 includes gasbag layer 11, fixed band 12, base 13, check valve air cock 14 and air outlet column 15, fixed band 12 with the both ends of gasbag layer 11 are connected, and gasbag layer 11 is used for aerifing, and fixed band 12 is used for connecting, base 13 sets up on the gasbag layer 11, check valve air cock 14 and air outlet column 15 set up on the base 13, and respectively with gasbag layer 11 intercommunication, aerify unit 2 with check valve air cock 14 is connected, aerifys unit 2 and aerifys for gasbag layer 11 through check valve air cock 14.

Exhaust unit 3 includes outlet duct 31 and control box 32, control box 32 includes box body 321 and lid 322, be provided with screw post 323 in the box body 321, be provided with the through-hole on the lid 322, lid 322 pass through the screw with box body 321 is connected. A three-way pipe 33 is arranged in the box body 321, one end of the air outlet pipe 31 is connected with the air outlet column 15, and the other end of the air outlet pipe is connected with one interface of the three-way pipe 33. The other two interfaces of the three-way pipe 33 are respectively connected with a vent valve 34 and a pressure display unit 36, and the pressure display unit 36 is used for displaying the pressure in the air bag layer 11. Because the patient need the disinfection drape during operation, the patient basically covers under the aseptic list, and tourniquet main part 1 is also covered under the aseptic list, and the doctor who is responsible for the operation can not bump other places of aseptic list except the operation position, consequently, through setting up outlet duct 31, makes control box 32 keep away from tourniquet main part 1, is convenient for doctor's operation.

The exhaust valve 34 comprises a valve body 341, an adjusting plug 343 is arranged in the valve body 341, the bottom of the adjusting plug 343 is connected with the bottom of the valve body 341 through a rotating shaft, the adjusting plug 343 can rotate around the rotating shaft, an air inlet pipe 342 is arranged at the bottom of the valve body 341, the air inlet pipe 342 is connected with an interface of the three-way pipe 33, and air in the air bag layer 11 enters the exhaust valve 34 through the air inlet pipe 342. The adjusting plug 343 is provided with a plurality of vent holes 343-1 with different apertures, when the vent holes 343-1 rotate to a position corresponding to the air inlet pipe 342, the gas in the air bag layer 11 is discharged through the vent holes 343-1, a pressing plug 344 is connected with the adjusting plug 343, a connecting shaft 346 is connected with the pressing plug 344, an adjusting dial 347 is connected with one end of the connecting shaft 346, the adjusting dial 347 is provided with an indication mark, the position of the indication mark corresponds to the position of the vent holes 343-1, the adjusting dial 347 is rotated, and the adjusting dial 347 drives the adjusting plug 343 to rotate through the connecting shaft 346 and the pressing plug 344. An exhaust pipe 348 is connected to a side wall of the valve body 341, and the exhaust gas is exhausted through the exhaust pipe 348. The side wall of the valve body 341 is further provided with a connecting lug 349, the connecting lug 349 is provided with a through hole, and the exhaust valve 34 is in screw connection with the screw column 323 through the connecting lug 349.

The working principle is as follows:

during surgery, the tourniquet main body 1 is firstly bound on the corresponding position of a patient through the fixing band 12, the air bag layer 11 is inflated through the inflation unit 2, the pressure display unit 36 displays the pressure in the air bag layer 11, and after inflation is completed, surgery is performed. When the air needs to be discharged, the adjusting dial 347 of the air vent valve 34 on the control box 32 is rotated to the corresponding indication mark, the air vent hole 343-1 corresponding to the indication mark is communicated with the air inlet pipe 342, air is discharged from the air vent hole 343-1 through the air vent pipe 348, and the air vent holes 343-1 with different apertures correspond to different air discharge rates due to different areas, that is, correspond to different air discharge durations, so as to control the air discharge duration. After the exhaust is finished, the regulating dial 347 of the exhaust valve 34 is rotated to the closed position, and the tourniquet main body 1 is detached.

Preferably, the inflation unit 2 comprises an air pipe 21 and an air pump 22, one end of the air pipe 21 is connected with the air pump 22, and the other end of the air pipe 21 is connected with the one-way valve air tap 14. When inflation is required, the air pump 22 is pressed, and the air is used for inflating the air bag layer 11 through the one-way valve nozzle 14, so that the structure is simple, and the operation is quick.

Preferably, the fixing band 12 is provided with a hook and loop fastener. The magic tape is connected in a magic tape mode, so that the operation is convenient, and the installation and the disassembly are convenient.

Preferably, the number of the exhaust holes 343-1 is 3, and the exhaust holes are uniformly distributed at 90 degrees. 3 exhaust holes 343-1 with different apertures are arranged, 3 gears with different exhaust time lengths are set for selection, the gears are uniformly distributed at 90 degrees, no exhaust hole 343-1 exists in one direction, and the direction is a gear for closing exhaust.

The embodiment provides an inflatable tourniquet capable of controlling deflation time, through setting the adjusting plug 343 in the exhaust valve 34, the exhaust holes 343-1 with different apertures are arranged on the adjusting plug 343, and the adjusting plug 343 is rotated through the adjusting turntable 347, so that the exhaust holes 343-1 with different apertures are aligned with the air inlet pipe 342, the control of the exhaust rate is realized, the purpose of controlling the exhaust time is achieved, the control accuracy is high, the manpower is saved, and the smooth operation is facilitated.

Example 2

Preferably, a plurality of guide holes 343-2 are uniformly distributed in the adjusting plug 343, a connecting column 344-1 is connected to the pressing plug 344 in correspondence to the guide holes 343-2, the connecting column 344-1 is sleeved in the guide holes 343-2, a first connecting spring 345 is sleeved outside the connecting column 344-1, one end of the first connecting spring 345 is connected to the pressing plug 344, and the other end of the first connecting spring 345 is connected to the adjusting plug 343. By arranging the pressing plug 344 and connecting the pressing plug 344 with the adjusting plug 343 through the first connecting spring 345, in the air discharging process, if the air discharging needs to be suspended in an emergency, only the adjusting turntable 347 needs to be pressed, the pressing plug 344 is pressed down to be in contact with the adjusting plug 343, the air discharging channel is blocked, the air discharging suspension function is realized, and the emergency treatment is facilitated.

Further, the number of the guide holes 343-2 is 4, and the guide holes are uniformly distributed on the adjusting plug 343. The number of the guide holes 343-2 is 4, so that the stress is more uniform during pressing, and the blocking of an exhaust channel is facilitated.

Preferably, an exhaust whistle 35 is connected to one end of the exhaust pipe 348. By providing the exhaust whistle 35, a sound is produced during the air discharge process for alerting the doctor to the attention, and the pressure drop due to improper operation is also avoided.

Example 3

Preferably, the pressure display unit 36 includes a housing 361, the housing 361 is connected to an interface of the three-way pipe 33, a pressure indication rod 362 is disposed in the housing 361, a sealing rubber pad 363 is connected to a bottom end of the pressure indication rod 362, a sealing edge 363-1 is disposed on the sealing rubber pad 363, a sealing groove 364 is disposed in the housing 361, the sealing edge 363-1 is matched with the sealing groove 364 to prevent gas leakage, a connection plate 365 is disposed on the pressure indication rod 362, a second connection spring 366 is connected to the connection plate 365, the second connection spring 366 is sleeved outside the pressure indication rod 362, the other end of the second connection spring 366 is connected to the housing 361, and a pressure indication scale is disposed on the pressure indication rod 362. When the air bag layer 11 is filled with air, the pressure is continuously increased, under the action of the pressure, the sealing rubber pad 363 pushes the pressure indicating rod 362 to compress the second connecting spring 366, the pressure indicating rod 362 extends out of the housing 361, and the pressure indicating rod 362 corresponds to the pressure indicating scale and is used for displaying the pressure of the air bag layer 11.

In the embodiment, the pressure display unit 36 is arranged, and the mechanical pressure indicating rod 362 is adopted to display the pressure, so that the pressure display device is simple in structure, reliable in display and convenient to observe.

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. An inflatable tourniquet capable of controlling deflation time is characterized by comprising a tourniquet main body, an inflation unit and an exhaust unit, wherein the tourniquet main body comprises an air bag layer, a fixing band, a base, a one-way valve air nozzle and an air outlet column, the fixing band is connected with two ends of the air bag layer, the base is arranged on the air bag layer, the one-way valve air nozzle and the air outlet column are arranged on the base and are respectively communicated with the air bag layer, and the inflation unit is connected with the one-way valve air nozzle; the exhaust unit comprises an exhaust pipe and a control box, the control box comprises a box body and a cover, a screw post is arranged in the box body, a through hole is arranged on the cover, the cover is connected with the box body through a screw, a three-way pipe is arranged in the box body, one end of the exhaust pipe is connected with the exhaust post, the other end of the exhaust pipe is connected with one interface of the three-way pipe, the other two interfaces of the three-way pipe are respectively connected with an exhaust valve and a pressure display unit, the exhaust valve comprises a valve body, an adjusting plug is arranged in the valve body, the bottom of the adjusting plug is connected with the bottom of the valve body through a rotating shaft, an air inlet pipe is arranged at the bottom of the valve body, the air inlet pipe is connected with the interface of the three-way pipe, a plurality of exhaust holes with different apertures are arranged on the, with the one end of connecting axle is connected with the regulation carousel, be provided with the pilot mark on the regulation carousel, the position of pilot mark with exhaust hole position corresponds, with still be connected with a blast pipe on the lateral wall of valve body, still be provided with the engaging lug on the lateral wall of valve body, be provided with the through-hole on the engaging lug, discharge valve passes through the engaging lug with screw post screw connection.

2. The inflatable tourniquet according to claim 1, wherein the inflation unit comprises an air tube and an air pump, one end of the air tube is connected to the air pump, and the other end of the air tube is connected to the one-way valve nozzle.

3. The inflatable tourniquet of claim 1 wherein the strap is configured with velcro.

4. The inflatable tourniquet of claim 1 having a controlled deflation time wherein the number of said vents is 3, evenly distributed at 90 °.

5. The inflatable tourniquet according to claim 1, wherein a plurality of guide holes are uniformly distributed on the adjusting plug, a connecting post is correspondingly connected to the pressing plug and is sleeved in the guide hole, a first connecting spring is sleeved outside the connecting post, one end of the first connecting spring is connected to the pressing plug, and the other end of the first connecting spring is connected to the adjusting plug.

6. The inflatable tourniquet of claim 5 wherein the number of guide holes is 4, and the holes are evenly distributed on the adjustment plug.

7. The inflatable tourniquet of claim 1 having a vent whistle connected to an end of the vent tube.

8. The inflatable tourniquet according to claim 1, wherein the pressure display unit comprises a housing, the housing is connected to the interface of the three-way pipe, a pressure indicating rod is disposed inside the housing, a sealing rubber pad is connected to a bottom end of the pressure indicating rod, a sealing edge is disposed on the sealing rubber pad, a sealing groove is disposed inside the housing, a connecting disc is disposed on the pressure indicating rod, a second connecting spring is connected to the connecting disc, the second connecting spring is sleeved outside the pressure indicating rod, the other end of the second connecting spring is connected to the housing, and a pressure indicating scale is disposed on the pressure indicating rod.