CN218128609U - Medical negative pressure specimen bag - Google Patents
Medical negative pressure specimen bag Download PDFInfo
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- CN218128609U CN218128609U CN202123439740.XU CN202123439740U CN218128609U CN 218128609 U CN218128609 U CN 218128609U CN 202123439740 U CN202123439740 U CN 202123439740U CN 218128609 U CN218128609 U CN 218128609U
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- negative pressure
- specimen bag
- bag
- piston
- operating rod
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Abstract
The utility model discloses a medical negative pressure specimen bag, which comprises a guide inserting tube, wherein a wire guide hole and a catheter hole are formed in the guide inserting tube, one end of the guide inserting tube is connected with an open specimen bag, the opening edge of the specimen bag is folded outwards and connected with the outer wall of the specimen bag to form a sealing lantern ring, one end of the guide inserting tube, which is far away from the specimen bag, is provided with an operating rod which is connected with the wire guide hole in a sliding manner, the operating rod is connected with a steel wire, and the steel wire penetrates out of the wire guide hole and penetrates into the sealing lantern ring for a circle and then enters the wire guide hole to be connected with the operating rod; the catheter hole is internally provided with a negative pressure tube, one end of the negative pressure tube is communicated with the side wall of the specimen bag, the other end of the negative pressure tube is connected with an air inlet one-way valve, the air inlet one-way valve is communicated with a negative pressure barrel, the bottom of the negative pressure barrel is communicated with an air outlet one-way valve, a piston is connected in the negative pressure barrel in a sliding manner, and the piston is outwards connected with a piston rod. The utility model discloses when packing into the sample bag with the sample of excision and taking out, can take out the air in the sample bag through the negative pressure, the sample bag of being convenient for takes out through less incision.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to medical negative pressure specimen bag.
Background
When taking a specimen after an abdominal cavity or an extraabdominal approach tissue organ resection, the excised specimen is usually put into a specimen bag in a patient body, but because the air is remained in the specimen bag after the specimen is put into the existing specimen bag, the specimen bag can not pass through a small incision, sometimes the width of the incision is increased or the specimen is crushed, so that the process of taking the specimen becomes complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a medical negative pressure sample bag, when the sample bag of packing into the sample with the excision takes out, can take away the air in the sample bag through the negative pressure, the sample bag of being convenient for takes out through less incision.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a medical negative pressure specimen bag comprises a guide insertion tube, wherein a wire guide hole and a catheter hole are formed through the guide insertion tube, one end of the guide insertion tube is connected with an open specimen bag, the opening edge of the specimen bag is outwards folded and connected with the outer wall of the specimen bag to form a sealing lantern ring, one end, away from the specimen bag, of the guide insertion tube is provided with an operating rod in sliding connection with the wire guide hole, the operating rod is connected with a steel wire, and the steel wire penetrates out of the wire guide hole, penetrates into the sealing lantern ring for one circle and then enters the wire guide hole to be connected with the operating rod;
the utility model discloses a specimen bag, including the pipe hole, the pipe hole is provided with the negative pressure pipe, the one end of negative pressure pipe with the lateral wall intercommunication of specimen bag, the other end of negative pressure pipe is connected with the check valve that admits air, the check valve intercommunication that admits air has a negative pressure section of thick bamboo, the bottom intercommunication of negative pressure section of thick bamboo has the check valve that gives vent to anger, sliding connection has the piston in the negative pressure section of thick bamboo, the piston is connected with the piston rod outwards.
Through adopting above-mentioned technical scheme, when the sample of excision needs to be taken out, it is internal to get into the patient from the incision with the sample bag through the guide intubate, inwards push away the action bars, make the steel wire stretch out the wire guide, because one side and the guide intubate of sample bag are connected, prop open the opening that seals the lantern ring and open the sample bag gradually when the steel wire stretches out, alright put into the sample bag with the tissue sample, it is downthehole to draw the action bars outwards afterwards makes the steel wire retract gradually to the wire, the pulling seals the lantern ring shrink and seals the opening of sample bag, make a round trip push and pull piston rod, the air that makes the sample bag gets into a negative pressure section of thick bamboo through negative pressure pipe and the check valve that admits air, discharge a negative pressure section of thick bamboo from the check valve that gives vent to anger, air in the sample bag empties gradually, the sample bag of being convenient for is taken out through less incision.
The utility model discloses a further set up to: and a return spring is arranged between the bottom of the negative pressure cylinder and the piston.
By adopting the technical scheme, after the piston rod is pushed inwards at every time, the piston rod can be pushed outwards by the reset spring without being pulled back to the original position manually, so that air can be pumped repeatedly.
The utility model discloses a further set up to: the two opposite sides of the opening end of the negative pressure cylinder are both provided with lugs outwards.
The utility model discloses a further set up to: the air inlet one-way valve and the air outlet one-way valve both comprise a connecting pipe and a plurality of valve vanes circumferentially arranged in the connecting pipe.
The utility model discloses a further set up to: the free end of the operating rod is connected with a limiting head end.
The utility model discloses a further set up to: the guide cannula is a flexible tube.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model is suitable for an operation of taking a sample after an abdominal cavity or an extraabdominal approach tissue organ resection, the gas in the sample bag is sucked out by negative pressure, and the sample is taken out quickly and conveniently through a smaller incision, thereby improving the time efficiency of taking the sample after the operation, ensuring the integrity of the sample after the operation and solving the problem that the sample is too big and difficult to take;
secondly, the utility model discloses a control steel wire stretch out and contract back and control opening and sealing of sample bag, externally just can simple quick operation, effectively promote operation efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a view mainly showing the internal structure of the negative pressure cylinder and the inlet check valve and the outlet check valve;
figure 3 is a cross-sectional view of a guide cannula.
In the figure: 1. guiding the cannula; 11. a wire guide hole; 12. a conduit hole; 2. a specimen bag; 21. a sealing lantern ring; 3. an operating lever; 31. limiting the head end; 4. a steel wire; 5. a negative pressure tube; 61. an air inlet check valve; 62. an air outlet one-way valve; 7. a negative pressure cylinder; 71. an ear; 8. a piston; 81. a piston rod; 9. a return spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment, refer to fig. 1-3, a medical negative pressure sample bag 2, including guide intubate 1, guide intubate 1 is the hose, run through guide intubate 1 and seted up a wire guide 11 and a pipe hole 12, the one end of guide intubate 1 is connected with an open-ended sample bag 2, the opening limit of sample bag 2 is outwards turned over and is formed the round rather than outer wall connection and seal the lantern ring 21, the one end that sample bag 2 was kept away from to guide intubate 1 is provided with one and 11 sliding connection's of wire guide action bars 3, action bars 3 is connected with a steel wire 4, steel wire 4 wears out wire guide 11 and penetrates and seals behind the lantern ring 21 a week and get into wire guide 11 and be connected with action bars 3, the free end of action bars 3 is connected with a spacing head end 31.
Be provided with a negative pressure pipe 5 in the pipe hole 12, the one end of negative pressure pipe 5 and the lateral wall intercommunication of sample bag 2, the other end of negative pressure pipe 5 is connected with an air inlet check valve 61, air inlet check valve 61 intercommunication has a negative pressure section of thick bamboo 7, the bottom intercommunication of a negative pressure section of thick bamboo 7 has an one check valve 62 of giving vent to anger, air inlet check valve 61 can only open in the negative pressure section of thick bamboo 7, the check valve 62 of giving vent to anger can only open outward to the negative pressure section of thick bamboo 7, air inlet check valve 61 and the check valve 62 of giving vent to anger all include a connecting pipe, four are the circumference and set up the valve leaf in the connecting pipe. Two opposite sides of the opening end of the negative pressure cylinder 7 are respectively provided with a lug 71 outwards, the negative pressure cylinder 7 is connected with a piston 8 in a sliding mode, the piston 8 is connected with a piston rod 81 outwards, a return spring 9 is arranged between the bottom of the negative pressure cylinder 7 and the piston 8, after the piston rod 81 is pushed inwards each time, the return spring 9 pushes the piston rod 81 outwards, the piston rod 81 does not need to be pulled back to the original position manually, and air suction is convenient to repeatedly carry out.
The use method comprises the following steps: when the excised specimen needs to be taken out, the specimen bag 2 enters the patient body from the incision through the guide cannula 1, the operating rod 3 is pushed inwards, the steel wire 4 is made to stretch out the wire guide hole 11, because one side of the specimen bag 2 is connected with the guide cannula 1, the opening of the specimen bag 2 is gradually opened by the sealing lantern ring 21 when the steel wire 4 stretches out, the tissue specimen can be put into the specimen bag 2, then the operating rod 3 is pulled outwards to make the steel wire 4 gradually retract into the wire guide hole 11, the opening of the specimen bag 2 is closed by the shrinkage of the sealing lantern ring 21 through pulling, the piston rod 81 is pushed and pulled back and forth, the air of the specimen bag 2 enters the negative pressure cylinder 7 through the negative pressure pipe 5 and the air inlet one-way valve 61, the negative pressure cylinder 7 is discharged from the air outlet one-way valve 62, the air in the specimen bag 2 is gradually emptied, and the specimen bag 2 is convenient to be taken out through a smaller incision.
The specific embodiments are only for explaining the present invention, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. A medical negative pressure specimen bag (2) comprises a guide cannula (1), and is characterized in that: the guide cannula (1) is penetrated to be provided with a wire guide hole (11) and a catheter hole (12), one end of the guide cannula (1) is connected with an open specimen bag (2), the open edge of the specimen bag (2) is outwards folded and connected with the outer wall of the specimen bag to form a sealing lantern ring (21), one end, far away from the specimen bag (2), of the guide cannula (1) is provided with an operating rod (3) in sliding connection with the wire guide hole (11), the operating rod (3) is connected with a steel wire (4), and the steel wire (4) penetrates out of the wire guide hole (11) and penetrates into the sealing lantern ring (21) for a circle and then enters the wire guide hole (11) to be connected with the operating rod (3);
be provided with negative pressure pipe (5) in pipe hole (12), the one end of negative pressure pipe (5) with the lateral wall intercommunication of sample bag (2), the other end of negative pressure pipe (5) is connected with air inlet check valve (61), air inlet check valve (61) intercommunication has a negative pressure section of thick bamboo (7), the bottom intercommunication of a negative pressure section of thick bamboo (7) has air outlet check valve (62), sliding connection has piston (8) in a negative pressure section of thick bamboo (7), piston (8) outwards is connected with piston rod (81).
2. The medical negative pressure specimen bag (2) according to claim 1, wherein: and a return spring (9) is arranged between the bottom of the negative pressure cylinder (7) and the piston (8).
3. The medical negative pressure specimen bag (2) according to claim 1 or 2, characterized in that: the two opposite sides of the opening end of the negative pressure cylinder (7) are provided with lugs (71) outwards.
4. The medical negative pressure specimen bag (2) according to claim 1, wherein: the air inlet one-way valve (61) and the air outlet one-way valve (62) both comprise a connecting pipe and a plurality of valve vanes circumferentially arranged in the connecting pipe.
5. The medical negative pressure specimen bag (2) according to claim 1, wherein: the free end of the operating rod (3) is connected with a limiting head end (31).
6. The medical negative pressure specimen bag (2) according to claim 1, wherein: the guide cannula (1) is a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439740.XU CN218128609U (en) | 2021-12-31 | 2021-12-31 | Medical negative pressure specimen bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439740.XU CN218128609U (en) | 2021-12-31 | 2021-12-31 | Medical negative pressure specimen bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218128609U true CN218128609U (en) | 2022-12-27 |
Family
ID=84549052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123439740.XU Active CN218128609U (en) | 2021-12-31 | 2021-12-31 | Medical negative pressure specimen bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218128609U (en) |
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2021
- 2021-12-31 CN CN202123439740.XU patent/CN218128609U/en active Active
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