CN110960740B - Negative pressure drainage device capable of measuring bleeding volume - Google Patents
Negative pressure drainage device capable of measuring bleeding volume Download PDFInfo
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- CN110960740B CN110960740B CN201911400410.4A CN201911400410A CN110960740B CN 110960740 B CN110960740 B CN 110960740B CN 201911400410 A CN201911400410 A CN 201911400410A CN 110960740 B CN110960740 B CN 110960740B
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/02042—Determining blood loss or bleeding, e.g. during a surgical procedure
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Abstract
The invention relates to the field of medical equipment, and particularly discloses a negative pressure drainage device capable of measuring bleeding volume. Comprises a drainage bottle, a cover body and a clapboard; the partition plate is positioned in the drainage bottle, the partition plate divides the inner cavity of the drainage bottle into a negative pressure cavity and a drainage cavity, the cover body is fixed with a negative pressure catheter and a drainage catheter, and the negative pressure catheter and the drainage catheter vertically penetrate through the cover body; baffle upper portion is equipped with interface channel, and negative pressure pipe lower extreme is located the interface channel top, and the negative pressure intracavity is equipped with the baffle, and the baffle is articulated with the baffle, and baffle one end is kept away from to the baffle is fixed with the stay cord, and the negative pressure intracavity is fixed with flexible bag, and the one end that the baffle was kept away from to the stay cord is fixed with flexible bag lower part, is fixed with the stopper on the lateral wall that the negative pressure chamber is relative with the baffle, and the stopper is located flexible bag top, the stay cord run through the stopper and with stopper sliding connection. The negative pressure drainage device can prevent liquid from splashing into the negative pressure device.
Description
Technical Field
The invention relates to the field of medical equipment, in particular to a negative pressure drainage device capable of measuring bleeding volume.
Background
After the operation, the wound in the patient body cannot stop bleeding immediately, bleeding still continues for a period of time, and the bleeding blood needs to be discharged out of the body in time under the condition of large blood flow, so as to avoid excessive blood accumulation in the body to press the wound or cause infection of the patient. The drainage mode commonly used at present is the negative pressure drainage, and it is internal that need insert the patient with drainage tube one end during the drainage, and the other end and drainage bottle intercommunication, drainage bottle still communicate with external negative pressure device simultaneously, and negative pressure device makes and forms the negative pressure in the drainage bottle, makes internal blood flow to the drainage bottle from the drainage tube in to make blood be unlikely to in vivo a large amount of accumulations. Although the drainage bottle can be used for collecting blood, the blood in the drainage bottle is easy to splash when the blood falls into the drainage bottle from the drainage tube, and the splashed blood easily falls to a pipeline communicated with a negative pressure device to pollute the pipeline or the negative pressure device. The negative pressure device is high in cost and can be used repeatedly, and once the negative pressure device is polluted, the drainage bottle and the drainage tube used by the next patient can be polluted by the next patient when the negative pressure device is used, so that cross infection is caused.
Disclosure of Invention
The invention aims to provide a negative pressure drainage device capable of measuring bleeding amount, which prevents liquid from splashing into a negative pressure device.
In order to achieve the purpose, the technical scheme of the invention is as follows: a negative pressure drainage device capable of measuring bleeding amount comprises a drainage bottle, a cover body and a partition plate, wherein the cover body is detachably connected with the drainage bottle and used for sealing the drainage bottle; the baffle is positioned in the drainage bottle and fixed with the inner wall of the drainage bottle, the baffle divides the inner cavity of the drainage bottle into a negative pressure cavity and a drainage cavity, a negative pressure catheter and a drainage catheter are fixed on the cover body, the negative pressure catheter and the drainage catheter vertically penetrate through the cover body, and the negative pressure catheter and the drainage catheter are respectively communicated with the negative pressure cavity and the drainage cavity; baffle upper portion is equipped with the interface channel in intercommunication negative pressure chamber and drainage chamber, negative pressure pipe lower extreme is located the interface channel top, the negative pressure intracavity is equipped with the baffle that can seal negative pressure pipe lower extreme, the baffle is articulated with the baffle, and the one end that the baffle is close to the baffle is higher than the interface channel, the baffle is kept away from baffle one end and is fixed with the stay cord, the negative pressure intracavity is fixed with flexible bag, the one end that the baffle was kept away from to the stay cord is fixed with flexible bag lower part, be fixed with the stopper on the lateral wall that negative pressure chamber is relative with the baffle, the stopper is located flexible bag top, the stay cord runs through the stopper and with stopper sliding connection.
The beneficial effect of this scheme does:
1. when the negative pressure catheter is communicated with the negative pressure device, negative pressure is formed in the negative pressure cavity and the drainage cavity, the drainage tube is communicated with the drainage catheter, and after blood enters the drainage cavity from the drainage catheter, splashed blood is blocked by the partition plate and is difficult to splash into the negative pressure cavity, so that the blood is prevented from splashing into the negative pressure catheter and entering the negative pressure device through the negative pressure catheter, and cross infection is avoided.
2. Even a small amount of splashed blood passes through the connecting channel, the blood is blocked by the baffle plate and cannot splash to the negative pressure conduit, and cross infection is further avoided.
3. The sucked blood firstly enters the drainage cavity, and only when the blood stored in the drainage cavity is higher than the connecting channel, the blood starts to enter the negative pressure cavity, so that the blood falls into the flexible bag, the bottom of the flexible bag slides downwards, and finally the bottom of the flexible bag pulls the baffle to rotate by pulling the pull rope, so that the baffle seals the negative pressure catheter, on one hand, the negative pressure in the negative pressure cavity and the drainage cavity is not formed, and the excessive blood in the negative pressure cavity and the drainage cavity is prevented from entering the negative pressure cavity and the drainage cavity, so that the excessive blood in the negative pressure cavity and the drainage cavity overflows the lower end of the negative pressure catheter, and then enters the negative pressure device from the negative pressure catheter; on the other hand, the blood in the negative pressure cavity is less than the drainage cavity, and even if the drainage bottle is carelessly shaken to shake the blood in the negative pressure cavity, the blood can not enter the negative pressure device from the negative pressure catheter, so that cross infection is further avoided.
Furthermore, a filter screen is fixed in the connecting channel.
The beneficial effect of this scheme does: have a small amount of clot in the blood of suction, the filter screen can play the effect that blocks up to the clot, avoids the clot to block up connecting channel and is difficult to the clearance, leads to unable negative pressure formation in the drainage intracavity when the blood in the drainage bottle of discharging and again carrying out the drainage to patient.
Further, the side wall of the baffle plate facing the connecting channel is fixed with bristles.
The beneficial effect of this scheme does: when rinsing the drainage bottle, rotating baffle can make brush hair and filter screen contact, rinses the clot of the filtration pore department of attached to the filter screen, avoids the filtration pore to be blockked up.
Furthermore, the stay cord is an elastic cord, and the length of the stay cord is smaller than the height difference between the lower end of the baffle and the bottom of the negative pressure cavity.
The beneficial effect of this scheme does: when patient's the hemorrhage volume is more, the blood that gets into in the unit interval drainage intracavity is more, and after the blood in the drainage intracavity is higher than interface channel, it is also more to flow to the blood in the flexible bag from interface channel, makes the flexible bag bottom drop fast downwards, and the pull rope is stimulateeed fast, because the pull rope has elasticity, so the length of pull rope can be stretched, avoids the stay rope fracture or the junction of pull rope and flexible bag to be damaged.
Further, the flexible bag side wall is in a corrugated pipe shape.
The beneficial effect of this scheme does: when blood enters the flexible bag, the downward sliding distance of the bottom of the flexible bag is larger, the baffle can be pulled to rotate by a larger angle, and the baffle can be ensured to seal the lower end of the negative pressure conduit.
Further, the negative pressure cavity capacity is less than the drainage cavity capacity.
The beneficial effect of this scheme does: the blood that is drawn up stores the drainage intracavity earlier, and the capacity of drainage chamber is bigger, and then the blood volume that can store is more, under the same circumstances of blood flow volume, the interval needs medical staff to discharge the blood in the drainage intracavity for a longer time.
Furthermore, the lateral wall of the drainage cavity is provided with scale marks.
The beneficial effect of this scheme does: the bleeding volume of the patient can be conveniently observed through the scale marks, so that the patient can be timely treated under the condition of large bleeding volume.
Furthermore, the base can be dismantled and be connected to drainage bottle bottom, and the base bottom is equipped with the absorption chamber that the opening faces down, is equipped with in the base with the slip chamber that adsorbs the chamber intercommunication, and slip intracavity sliding seal has the piston, is fixed with the pull rod on the piston, the pull rod run through the base and with base screw-thread fit.
The beneficial effect of this scheme does: the piston can slide through the pull rod, so that negative pressure is formed in the adsorption cavity, the base is adsorbed on the table top, the drainage bottle is prevented from falling off from the table top carelessly in the using process, and on one hand, the drainage bottle is prevented from being broken, so that blood stored in the drainage cavity flows to the ground of a ward to pollute the ward; on the other hand, the drainage tube is prevented from being pulled when the drainage bottle drops, so that the drainage tube is pulled out accidentally, the patient is damaged, and the patient is suffered from the pain of inserting the tube again.
Furthermore, the top of the base is provided with a limit groove which can contain the drainage bottle.
The beneficial effect of this scheme does: the limiting groove has a limiting effect on the drainage bottle, and the limiting effect on the drainage bottle is better.
Furthermore, a lamp cap is fixed on the base, a battery is detachably mounted on the base, and a conductive block for connecting the lamp cap and the battery is connected on the base in a sliding manner; the bottom of the negative pressure cavity is vertically and slidably connected with a conducting rod which connects the lamp holder with the battery.
The beneficial effect of this scheme does: when blood stored in the drainage cavity is higher than the connecting channel, the blood in the drainage cavity enters the flexible bag, and the bottom of the flexible bag slides downwards, the bottom of the flexible bag pushes the conducting rod downwards, the lamp holder is communicated with the battery through the conducting rod, and a loop where the lamp holder and the battery are located is in a communicated state, so that the lamp holder is lightened, and medical staff is reminded to discharge the blood in the drainage bottle in time.
Drawings
FIG. 1 is a front longitudinal sectional view of example 1 of the present invention;
fig. 2 is a front longitudinal sectional view of embodiment 2 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the drainage bottle comprises a drainage bottle 1, a guide groove 11, a cover body 2, a negative pressure catheter 21, a drainage catheter 22, a partition plate 3, an elastic block 31, a connecting channel 32, a filter screen 33, a negative pressure cavity 4, a baffle plate 41, a limiting block 42, a pull rope 43, a flexible bag 44, a conductive rod 45, a drainage cavity 5, a drainage tube 6, a base 7, an adsorption cavity 71, a sliding cavity 72, a pull rod 73, a vertical channel 74, a guide block 75, a negative pressure channel 76, a conductive block 77, an elastic sheet 78, a battery 79 and a lamp holder 8.
Example 1
The utility model provides a negative pressure drainage ware of measurable quantity bleeding volume, as shown in figure 1, includes drainage bottle 1, lid 2 and baffle 3, and 2 lids of lid close at 1 tops of drainage bottle, seal the opening of drainage bottle 1, and is specific, lid 2 can with 1 threaded connection of drainage bottle, also can with 1 joint of drainage bottle. The vertical setting of baffle 3 is glued at 3 tops of baffle and has elasticity piece 31 in drainage bottle 1, and elasticity piece 31 top is higher than 1 tops of drainage bottle slightly, and 2 lids of lid extrude elasticity piece 31 downwards when closing on drainage bottle 1 to it is airtight between messenger's elasticity piece 31 and the lid 2. The baffle 3 separates the drainage bottle 1 into a left negative pressure cavity 4 and a right drainage cavity 5, and the capacity of the negative pressure cavity 4 is smaller than that of the drainage cavity 5. The lid 2 left and right sides splices respectively and has negative pressure pipe 21 and drainage catheter 22, and negative pressure pipe 21 and drainage catheter 22 are all vertical to run through lid 2, and when lid 2 lid closed on drainage bottle 1, negative pressure pipe 21 and drainage catheter 22 communicate with negative pressure chamber 4 and drainage chamber 5 respectively.
The upper portion of the partition board 3 is provided with a connecting channel 32, the connecting channel 32 is lower than the lower end of the negative pressure conduit 21, the right wall of the connecting channel 32 is glued with a filter screen 33, a baffle plate 41 is arranged in the negative pressure cavity 4, the right end of the baffle plate 41 is higher than the connecting channel 32 and is hinged with the left wall of the partition board 3, and when the baffle plate 41 rotates to the horizontal direction, the upper surface of the baffle plate 41 is abutted against the lower end of the negative pressure conduit 21, so that the negative pressure conduit 21 can be closed. A flexible bag 44 is provided in the negative pressure chamber 4, and an opening of the flexible bag 44 is bonded to each inner wall of the negative pressure chamber 4, so that the blood flowing from the connecting passage 32 to the negative pressure chamber 4 flows into the flexible bag 44. The side wall of the flexible bag 44 is in a corrugated pipe shape, the left end of the baffle plate 41 is glued with a pull rope 43, the pull rope 43 in the embodiment is an elastic rope, the length of the pull rope 43 is smaller than the height difference between the lower end of the baffle plate 41 and the bottom of the negative pressure cavity 4, and the pull rope 43 without elasticity can be used in actual operation. The left inner wall of the negative pressure cavity 4 is glued with a limiting block 42, the top of the limiting block 42 is higher than the right end of the baffle 41, the lower end of the pull rope 43 penetrates through the limiting block 42 and is in clearance fit with the limiting block 42, when the pull rope 43 is pulled downwards, the baffle 41 can rotate to the horizontal position, and the lower end of the pull rope 43 extends into the flexible bag 44 from the opening of the flexible bag 44 and is glued to the bottom of the flexible bag 44. The side wall of the baffle 41 facing the connecting channel 32 is glued with bristles which enable the filter screen 33 to be cleaned when the baffle 41 is rotated anticlockwise. The outer wall of the right side of the drainage cavity 5 is provided with a plurality of scale marks, and the zero scale of the scale marks is positioned at the bottommost part of the drainage cavity 5, so that the amount of blood entering the drainage cavity 5 can be conveniently measured, and the patient can be timely treated when the amount of the bleeding is large.
The specific use process of the negative pressure drainage device in this embodiment is as follows:
at the beginning, all there is no blood in negative pressure chamber 4 and the drainage chamber 5, and the lateral wall is the bellows form under the natural state for flexible bag 44, and the bottom of flexible bag 44 is close to the opening part. During the use, the intake pipe cover of negative pressure device is on negative pressure pipe 21 earlier artifically, overlaps drainage tube 6 tip on drainage catheter 22, then starts negative pressure device, and negative pressure device makes negative pressure chamber 4 form the negative pressure, makes baffle 41 clockwise rotation certain angle to make the gap appear between baffle 41 and the baffle 3, guarantee that the gas in the drainage chamber 5 can get into negative pressure chamber 4, make the drainage chamber 5 form the negative pressure. Blood in the patient body flows into the drainage cavity 5 through the drainage tube 6 and the drainage catheter 22 under the negative pressure action of the drainage cavity 5, the splashed part of the blood is blocked by the partition plate 3, and the blood passing through the filter screen 33 and the connecting channel 32 is blocked by the baffle plate 41 and cannot be contacted with the negative pressure catheter 21, so that the blood is prevented from entering the negative pressure device to cause cross infection.
When more blood is stored in the drainage cavity 5 and the blood in the drainage cavity 5 is higher than the connecting channel 32, the blood in the drainage cavity 5 flows into the negative pressure cavity 4 from the connecting channel 32 and then flows downwards into the flexible bag 44, the filter screen 33 filters the blood, and the blood clot is prevented from being attached to the inner wall of the flexible bag 44 and is difficult to clean. The bottom of the flexible bag 44 is made to fall downwards by the blood in the flexible bag 44, the lower end of the pulling rope 43 is driven to move downwards, the pulling rope 43 is lengthened, after more blood is accumulated in the flexible bag 44, the bottom of the flexible bag 44 is located at the lower end of the negative pressure cavity 4, the pulling rope 43 is longer in length, the lower end of the baffle 41 moves upwards under the action of the pulling force of the pulling rope 43, so that the baffle 41 rotates clockwise, when the blood in the flexible bag 44 continues to increase, the pulling force applied to the pulling rope 43 is larger, the baffle 41 rotates to the horizontal direction, the upper surface of the baffle 41 abuts against the lower end of the negative pressure catheter 21, so that the negative pressure cavity 4 does not form negative pressure any more, and therefore the situation that more blood in the drainage cavity 5 and the negative pressure cavity 4 is caused when new blood continues to enter the drainage cavity 5 again, and even enters the negative pressure device from the negative pressure catheter 21, and cross infection is caused is avoided.
Then the negative pressure device is manually closed, the cover body 2 is opened, blood in the negative pressure cavity 4 and the drainage cavity 5 is poured out, then the cover body 2 is covered again, the negative pressure device is opened, and drainage can be carried out again. During drainage, medical staff can count the amount of bleeding of a patient in unit time through the scale marks, and timely treatment is carried out when the amount of bleeding is large.
Example 2
On the basis of embodiment 1, as shown in fig. 2, the base 7 is arranged below the drainage bottle 1 in the embodiment, the diameter of the base 7 is larger than that of the drainage bottle 1, the top of the base 7 is provided with a limiting groove with the diameter equal to that of the drainage bottle 1, the guide groove 11 is vertically arranged on the left outer wall of the drainage bottle 1, the side wall of the limiting groove is glued with a guide block 75 with the width smaller than that of the guide groove 11, and the guide block 75 is positioned in the guide groove 11. Base 7 bottom is equipped with the opening absorption chamber 71 down, still be equipped with sliding chamber 72 in the base 7, sliding chamber 72 left end and absorption chamber 71 intercommunication, sliding seal has the piston in sliding chamber 72, it has pull rod 73 to connect on the piston, pull rod 73 right-hand member runs through base 7 and with base 7 screw-thread fit, it can make the piston slide to the right side to rotate pull rod 73, make and adsorb the intracavity 71 and form the negative pressure, when relaxing pull rod 73, because the screw thread has self-locking performance, pull rod 73 can not slide base 7 relatively, the piston can not reset left, thereby make and adsorb and keep the negative pressure in the chamber 71, make base 7 can continuously adsorb on the desktop, avoid base 7 relative desktop to slide, thereby avoid drainage bottle 1 slope or fall down from the desktop.
The base 7 is glued with the lamp holder 8 and is provided with a battery 79, the lamp holder 8 and the battery 79 are both connected with two conducting wires, a negative pressure channel 76 is transversely arranged between the lamp holder 8 and the battery 79, and the right end of the negative pressure channel 76 is communicated with the sliding cavity 72. An elastic sheet 78 is glued in the negative pressure channel 76, a conductive block 77 is glued on the elastic sheet 78, and when the conductive block 77 slides rightwards, the conductive block 77 is simultaneously communicated with the lamp holder 8 and one lead of the battery 79. The negative pressure chamber 4 is internally provided with a conductive rod 45, the conductive rod 45 in the embodiment comprises a block body and a T-shaped push rod, the push rod vertically penetrates through the bottom of the drainage bottle 1, and the push rod is in clearance fit with the bottom of the drainage bottle 1, so that the push rod can slide relative to the bottom of the drainage bottle 1. Vertical passageway 74 is vertically equipped with in the holding tank, and vertical passageway 74 external diameter is greater than the push rod external diameter and coaxial with the push rod. The push rod bottom is equipped with the opening fixed slot down, and in the block embedding fixed slot, when concrete implementation, the push rod can adopt the plastics material, and the block adopts electrically conductive material, block and push rod interference fit, so conducting rod 45's weight is less, can not slide for drainage bottle 1 under self action of gravity. When the push rod is slid to the bottom of the vertical channel 74, the block is simultaneously in communication with the lamp head 8 and the other wire of the battery 79.
When the drainage device in this embodiment is used, place base 7 on the horizontally desktop earlier, then rotate pull rod 73, make pull rod 73 roll-off base 7 to make the piston slide right, adsorb the gaseous entering in the chamber 71 and slide the chamber 72 left end, adsorb and form the negative pressure in the chamber 71, base 7 adsorbs on the desktop, avoids base 7 and drainage bottle 1 to drop from the desktop in the use. At the same time, the right end of the negative pressure channel 76 forms a negative pressure synchronously, so that the elastic sheet 78 is deformed rightward, and the conductive block 77 slides rightward and is communicated with one lead of the lamp head 8 and the battery 79.
In the drainage process, after a large amount of blood in the drainage cavity 5 enters the flexible bag 44, the bottom of the flexible bag 44 slides downwards for a large distance to push the conducting rod 45 downwards, so that the bottom of the conducting rod 45 is simultaneously communicated with the lamp holder 8 and the other conducting wire of the battery 79, a loop where the lamp holder 8 and the battery 79 are located is in a communicated state, the lamp holder 8 is electrified to emit light, the warning effect is played for patients and medical staff, and the medical staff is reminded to pour out the blood in the negative pressure cavity 4 and the drainage cavity 5 in time.
Before the drainage is carried out again after the blood in negative pressure chamber 4 and drainage chamber 5 pours out, because the push rod lower extreme runs through drainage bottle 1 bottom, so can upwards promote conducting rod 45 through the manual work, equal height in conducting rod 45 lower extreme and drainage bottle 1 bottom, when drainage bottle 1 is placed again on base 7, because the weight of the conducting rod 45 of plastics material is less, in conducting rod 45 can not be under self gravity automatic sliding vertical passageway 74. Otherwise, the other operations in this embodiment are the same as those in embodiment 1, and in practical use, the base 7 can be reused to reduce the use cost.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various changes and modifications without departing from the concept of the present invention, and these should be construed as the scope of protection of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent. The techniques, shapes, and structural parts, which are omitted from the description of the present invention, are all known techniques.
Claims (10)
1. The utility model provides a negative pressure drainage ware of measurable quantity bleeding which characterized in that: the drainage bottle comprises a drainage bottle, a cover body and a partition plate, wherein the cover body is detachably connected with the drainage bottle and used for sealing the drainage bottle; the baffle is positioned in the drainage bottle and fixed with the inner wall of the drainage bottle, the baffle divides the inner cavity of the drainage bottle into a negative pressure cavity and a drainage cavity, a negative pressure catheter and a drainage catheter are fixed on the cover body, the negative pressure catheter and the drainage catheter vertically penetrate through the cover body, and the negative pressure catheter and the drainage catheter are respectively communicated with the negative pressure cavity and the drainage cavity; the utility model discloses a negative pressure pipe, including baffle, baffle upper portion, baffle lower extreme, baffle and baffle are connected, baffle upper portion is equipped with the interface channel of intercommunication negative pressure chamber and drainage chamber, negative pressure pipe lower extreme is located the interface channel top, the negative pressure intracavity is equipped with the baffle that can seal negative pressure pipe lower extreme, the baffle is articulated with the baffle, and the one end that the baffle is close to the baffle is higher than the interface channel, baffle one end is kept away from to the baffle is fixed with the stay cord, and the length of stay cord is less than the difference in height between baffle lower extreme and the negative pressure chamber bottom, the negative pressure intracavity is fixed with flexible bag, the one end that the baffle was kept away from to the stay cord is fixed with flexible bag lower part, be fixed with the stopper on the lateral wall that negative pressure chamber is relative with the baffle, the stopper is higher than the articulated position of baffle and baffle, the stay cord run through the stopper and with stopper sliding connection.
2. The negative pressure drainage device capable of measuring bleeding volume according to claim 1, wherein: and a filter screen is fixed in the connecting channel.
3. The negative pressure drainage device capable of measuring bleeding volume according to claim 2, wherein: the side wall of the baffle facing the connecting channel is fixed with bristles.
4. The negative pressure drainage device capable of measuring bleeding volume according to claim 3, wherein: the stay cord is an elastic cord, and the length of the stay cord is smaller than the height difference between the lower end of the baffle and the bottom of the negative pressure cavity.
5. The negative pressure drainage device capable of measuring bleeding volume according to claim 4, wherein: the side wall of the flexible bag is in a corrugated pipe shape.
6. The negative pressure drainage device capable of measuring bleeding volume according to claim 1, wherein: the negative pressure cavity capacity is less than the drainage cavity capacity.
7. The negative pressure drainage device capable of measuring bleeding volume of claim 6, wherein: the lateral wall of the drainage cavity is provided with scale marks.
8. The negative pressure drainage device capable of measuring bleeding volume according to claim 1, wherein: the drainage bottle bottom can be dismantled and be connected with the base, the base bottom is equipped with the absorption chamber that the opening is down, be equipped with the slip chamber with absorption chamber intercommunication in the base, slip intracavity sliding seal has the piston, be fixed with the pull rod on the piston, the pull rod run through the base and with base screw-thread fit.
9. The negative pressure drainage device capable of measuring bleeding volume according to claim 8, wherein: the top of the base is provided with a limit groove capable of containing the drainage bottle.
10. The negative pressure drainage device capable of measuring bleeding volume of claim 9, wherein: the lamp holder is fixed on the base, the battery is detachably mounted on the base, and the base is connected with a conductive block which is used for connecting the lamp holder with the battery in a sliding mode; and the bottom of the negative pressure cavity is vertically and slidably connected with a conducting rod which connects the lamp holder with the battery.
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| CN201911400410.4A CN110960740B (en) | 2019-12-30 | 2019-12-30 | Negative pressure drainage device capable of measuring bleeding volume |
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| CN201911400410.4A CN110960740B (en) | 2019-12-30 | 2019-12-30 | Negative pressure drainage device capable of measuring bleeding volume |
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| CN110960740B true CN110960740B (en) | 2022-05-20 |
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| CN112220465B (en) * | 2020-11-06 | 2023-12-26 | 中国人民解放军陆军军医大学第一附属医院 | Blood loss estimation equipment |
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| CN207679764U (en) * | 2017-02-23 | 2018-08-03 | 盐城卫生职业技术学院 | A kind of pleural cavity closed drainage device |
| CN108837189A (en) * | 2018-04-28 | 2018-11-20 | 毛新梅 | A kind of surgery puncture drainage automatic draining device |
| CN209713758U (en) * | 2018-10-15 | 2019-12-03 | 王艳春 | A kind of Urology Surgery drainage device |
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