CN208910414U - A kind of pneumothorax puncture needle shut-off valve - Google Patents
A kind of pneumothorax puncture needle shut-off valve Download PDFInfo
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- CN208910414U CN208910414U CN201820689968.3U CN201820689968U CN208910414U CN 208910414 U CN208910414 U CN 208910414U CN 201820689968 U CN201820689968 U CN 201820689968U CN 208910414 U CN208910414 U CN 208910414U
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- push rod
- vertical pipe
- pipe
- diversion pipe
- puncture needle
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Abstract
The utility model discloses a kind of pneumothorax puncture needle shut-off valves, including rigid valve body and the valve being arranged on the rigid valve body, the rigid valve body includes the first diversion pipe, the second diversion pipe and vertical pipe, first diversion pipe and second diversion pipe are integrally connected to the two sides of the vertical pipe respectively, and second diversion pipe is located at the upper end of first diversion pipe；The valve includes being fixed in the vertical pipe and fixed column that axis and the vertical pipe axis coincide, push rod is slidably connected in the fixed column, the upper end of the push rod is connected with pull rod, the upper end of the pull rod is pierced by the fixed column, the lower end of the push rod penetrates in the vertical pipe, and one end that the push rod penetrates in the vertical pipe is connected with the bumping post for sliding into highest point or minimum point in the push rod to open or close the rigid valve body.The utility model has the advantages that controlling the switch of gas and liquid convenient for medical staff, manpower is saved.
Description
Technical field
The utility model relates to medical puncturing needle technical field, in particular to a kind of pneumothorax puncture needle shut-off valve.
Background technique
Puncture needle shut-off valve is generally located between medical needle and syringe, for controlling the circulation of gas or liquid.
In the prior art, when doing thoracentesis operation, used puncture needle is large size conventional needle, and when operation connects after needle cap
Rubber hose connects syringe after rubber hose, and when treating to patient, a medical staff picks up puncture and is needled into patient
Thoracic cavity, another medical staff clamps rubber hose by vessel forceps, prevents air from carrying out in the thoracic cavity of patient, when due to treatment
Need repeatedly to replace syringe to carry out pumping or drawing liquid, when replacing needle tubing every time, to prevent air progress thoracic intracavitary
It requires to clamp rubber hose, therefore entire therapeutic process needs two medical staff to cooperate progress, more waste of manpower.Such as
Notification number is the Chinese patent of CN201227314Y, and it discloses a kind of pneumothorax puncture needles, including syringe needle and needle tubing and connection
Connecting tube between syringe needle and needle tubing, connecting tube are internally provided with the valve of control gas and liquid communication, in replacement needle tubing
When the switch of gas and liquid can be controlled by control valve, a medical staff can complete, and save manpower.
Utility model content
The purpose of the utility model is to provide a kind of pneumothorax puncture needle shut-off valves, its advantage is that controlling gas convenient for medical staff
The switch of body and liquid, saves manpower.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of pneumothorax puncture needle is cut
Only valve, including rigid valve body and the valve being arranged on the rigid valve body, the rigid valve body includes the first diversion pipe, the
Two diversion pipes and vertical pipe, the upper end closed of the vertical pipe, lower end are equipped with opening, and first diversion pipe and described second is led
Flow tube is separately positioned on the two sides of the vertical pipe and is located at different height, and one end of first diversion pipe is integrally connected to institute
The opening of vertical pipe is stated, one end of second diversion pipe, which is integrally connected in the vertical pipe, is higher than first diversion pipe
Position；
The valve includes being fixed in the vertical pipe and fixed column that axis and the vertical pipe axis coincide, institute
It states and slidably connects push rod in fixed column, the upper end of the push rod is connected with pull rod, and the upper end of the pull rod is pierced by the fixation
Column, the lower end of the push rod penetrate in the vertical pipe, and one end that the push rod penetrates in the vertical pipe is connected with described
The bumping post that push rod slides into highest point or minimum point to open or close the rigid valve body；
The push rod is opposite and is located at the two sides of sustained height and opens up respectively fluted, is respectively arranged in the groove pair
The limit assembly that the push rod is limited.
Through the above technical solutions, when medical staff needs to close rigid valve body, pushing drawing rod makes to be attached thereto
Push rod drives bumping post to move downward, and the valve port of the first diversion pipe and vertical pipe connectivity part is blocked, so that rigid valve body is closed,
Push rod is limited by limit assembly at this time；When medical staff needs to open rigid valve body, pull rod is pulled up, is made
Bumping post moves upwards, and the valve port of the first diversion pipe and vertical pipe connectivity part is opened and passes through limit assembly limits push rod
Position；Simultaneously according to the needs for the treatment of, bumping post can be constantly moved up, is gradually increased the degree of rigid valve body unlatching, to come
Control the size of flow；The setting of puncture needle shut-off valve controls the switch of gas and liquid convenient for medical staff, saves people
Power.
The utility model is further arranged to: the limit assembly includes the first bullet that one end is fixed in the groove slot bottom
Spring and the locating part affixed with the first spring other end, the two sides of the fixed column correspond to the push rod and slide into highest
The position of point and minimum point offers the limit hole for the locating part grafting.
Through the above technical solutions, the first diversion pipe is connected to vertical pipe when medical staff pulls push rod to highest point
It is turned at the valve port at place, locating part is connected in the limit hole of fixed column upper end and is limited；When rigid valve body needs to close
When, medical staff pins locating part, makes it in the first spring contraction to groove, bumping post is pushed to move downward, when bumping post moves
When to minimum point, bumping post blocks the valve port of the first diversion pipe and vertical pipe connectivity part, to rigid valve body be closed, this time limit
Position part, which is plugged in the limit hole of fixed column lower end, to be limited.
The utility model is further arranged to: the locating part is sphere.
Through the above technical solutions, keeping the surface of locating part smooth, convenient for being plugged in limit hole.
The utility model is further arranged to: the two sides on the push rod between the limit assembly have been respectively and fixedly connected with
Sliding block, the sliding block and the limit assembly are in same level, and the fixed column wall corresponds to the position point of the sliding block
The slideway slided up and down for the sliding block is not offered.
Through the above technical solutions, sliding block slides in slideway always, for being oriented to push rod, anti-throw-out lever is upper
It relatively rotates, locating part is caused to misplace in limit hole and can not be plugged in limit hole during lower movement.
The utility model is further arranged to: in the fixed column between the limit hole of highest point and the limit hole of minimum point
It has been placed equidistant with multipair limit hole.
Through the above technical solutions, the setting of multipair limit hole, opens medical staff according to the adjusting of the needs for the treatment of
The degree of rigid valve body is opened, thus to control the flow of drawing liquid or infusion.
The utility model is further arranged to: it is connected with second spring between the fixed column and the push rod, described
For two spring pockets on the outside of the pull rod, the stroke of the second spring is greater than the displacement of the push rod.
Through the above technical solutions, the stroke of second spring is greater than the setting of the displacement of push rod, there is second spring
Enough elastic force quickly pushes push rod to move downward, and is clamped locating part into limit hole, saves and adjusts the time used, together
When convenient for medical staff operate.
The utility model is further arranged to: the upper end of the bumping post is consistently higher than second diversion pipe and described vertical
The upper end of pipe connectivity part.
Through the above technical solutions, the liquid in pipe, which pours into, to be blocked for preventing medical staff in regulation pipe when flow
In pipeline between vertical pipe.
The utility model is further arranged to: one end that the pull rod is pierced by the fixed column is connected with handle.
Through the above technical solutions, pushing and pulling push rod convenient for medical staff, make it that bumping post be driven to move downward or upward.
The utility model is further arranged to: the affixed fixation with the vertical pipe axis perpendicular in the vertical pipe
Ring, between first diversion pipe and second diversion pipe, the upper surface of the fixed ring is connected with the fixed ring
Gasket.
Through the above technical solutions, bumping post is connected in fixed ring when closing to rigid valve body, gasket is extruded in
Between bumping post and fixed ring, to being sealed at abutting between the two, a possibility that reducing gas leakage or leakage.
The utility model is further arranged to: first diversion pipe connects far from one end of the vertical pipe equipped with syringe needle
Mouthful；Second diversion pipe is equipped with converting interface far from one end of the vertical pipe.
Through the above technical solutions, needle hub is for connecting medical needle；Converting interface is for connecting the note being adapted to therewith
Penetrate pipe.
In conclusion the utility model has the following beneficial effects:
1, the setting of puncture needle shut-off valve passes through medical staff only and pull rod driving bumping post is pulled to move up and down, can control
Rigid valve body processed opens or closes, and operates convenient for medical staff, saves manpower；
2, the stroke of second spring is greater than the setting of the displacement of push rod, and second spring is made to have enough elastic force quickly to push away
Dynamic push rod moves downward, and is clamped locating part into limit hole, saves and adjusts the time used, while grasping convenient for medical staff
Make；
3, the setting of gasket, for reducing gas leakage or leakage to being sealed at the abutting between bumping post and fixed ring
A possibility that.
Detailed description of the invention
Fig. 1 is the overall structure diagram of shut-off valve in the present embodiment；
Fig. 2 is the half-section diagram for embodying bumping post and closing rigid valve body；
Fig. 3 is the half-section diagram for embodying bumping post and opening rigid valve body；
Fig. 4 is valve mechanism schematic diagram；
Fig. 5 is the half-section diagram for embodying sliding block and slideway cooperation；
Fig. 6 is the enlarged diagram in Fig. 5 at A；
Fig. 7 is the structural schematic diagram for embodying sliding block and limit assembly and being generally aligned in the same plane；
Fig. 8 is the structural schematic diagram in the present embodiment in shut-off valve actual use.
In figure, 1, rigid valve body；11, the first diversion pipe；111, needle hub；12, the second diversion pipe；121, converting interface；
13, vertical pipe；2, valve；21, fixed column；211, limit hole；212, slideway；22, push rod；221, groove；23, pull rod；24, hand
Handle；25, bumping post；26, sliding block；27, second spring；3, medical needle；4, syringe；5, limit assembly；51, the first spring；
52, locating part；6, fixed ring；7, gasket.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper", "lower", " bottom
Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
Embodiment: a kind of pneumothorax puncture needle shut-off valve, as shown in Figure 1, including rigid valve body 1 and setting in rigid valve body
Valve 2 on 1, rigid valve body 1 include the first diversion pipe 11, the second diversion pipe 12 and vertical pipe 13, the upper end seal of vertical pipe 13
It closes, lower end is equipped with opening, and the first diversion pipe 11 and the second diversion pipe 12 are vertically disposed on the two sides of vertical pipe 13 and are located at
One end of different height, the first diversion pipe 11 is equipped with needle hub 111, for seeing Fig. 8 with medical needle 3() it connect, first leads
The other end of flow tube 11 is integrally connected to the opening of vertical pipe 13, and one end of the second diversion pipe 12 is equipped with converting interface 121, is used for
It is connect with the injection port of syringe 4, the other end of the second diversion pipe 12, which is integrally connected in vertical pipe 13, is higher than the first diversion pipe
11 position, valve 2 are arranged at the closing of 13 upper end of vertical pipe.
As shown in Fig. 2, valve 2 includes the fixed column 21 for being fixed in 13 upper end of vertical pipe, the inside of fixed column 21 is in hollow
Structure and its axis coincides with 13 axis of vertical pipe, vertical sliding has push rod 22 in fixed column 21, and the upper end of push rod 22 is affixed
There is pull rod 23, the upper end of pull rod 23 is pierced by fixed column 21 to outside, and pull rod 23 is pierced by fixed column 21 to external one end and is connected with
Handle 24, the lower end of push rod 22 pass through vertical pipe 13 to its inside, one end that push rod 22 penetrates in vertical pipe 13 is connected with bumping post
25, the cylinder of bumping post 25 and the inner wall of vertical pipe 13 seal sliding contact, as shown in figure 3, medical staff pulls push rod 22 to most
During high point, push rod 22 drives bumping post 25 to move upwards, and gradually opens rigid valve body 1；As shown in Fig. 2, medical care people
During member pushes push rod 22 to minimum point, push rod 22 drives bumping post 25 to move gradually downward, and rigid valve body 1 is closed.
Connect as shown in Fig. 2, the upper end of bumping post 25 is consistently higher than the second diversion pipe 12 during adjusting with vertical pipe 13
The upper end at logical place, for preventing medical staff in regulation pipe when flow, the liquid in pipe, which pours into, to be blocked between vertical pipe 13
Pipeline in.
As shown in figure 3, on push rod 22 with respect to and be located at the two sides of sustained height and open up fluted 221 respectively, in groove 221
It is respectively arranged with the limit assembly 5 limited to push rod 22, limit assembly 5 includes that one end is fixed in 221 slot bottom of groove
One spring 51 and the locating part 52 affixed with 51 other end of the first spring, locating part 52 are set as sphere, and the two of fixed column 21
Side, which corresponds to push rod 22 and slides into the positions of highs and lows, offers limit hole 211 for 52 grafting of locating part, limit
The surface of part 52 is smooth, is plugged in limit hole 211 convenient for it.
As shown in Figure 3 and Figure 4, when medical staff pulls push rod 22 to highest point, the first diversion pipe 11 and vertical pipe 13
It is turned at the valve port of connectivity part, locating part 52 is connected in the limit hole 211 of 21 upper end of fixed column and is limited；Such as Fig. 2 and
Shown in Fig. 4, when rigid valve body 1 needs to close, medical staff pins locating part 52, it is made to be contracted to groove with the first spring 51
In 221, bumping post 25 is pushed to move downward, when bumping post 25 moves to minimum point, bumping post 25 is by the first diversion pipe 11 and vertical pipe
The valve port of 13 connectivity parts blocks, so that rigid valve body 1 be closed, locating part 52 is plugged on the limit hole of 21 lower end of fixed column at this time
It is limited in 211.
As shown in Figure 5 and Figure 6, the position of the two sides on push rod 22 between limit assembly 5 has been respectively and fixedly connected with sliding block
26, as shown in fig. 7, sliding block 26 and limit assembly 5 are in same level, as shown in Figure 5 and Figure 6,21 inner wall of fixed column is corresponding
The position of sliding block 26 offers the slideway 212 slided up and down for sliding block 26 respectively, and sliding block 26 is slided always in slideway 212,
For being oriented to push rod 22, anti-throw-out lever 22 relatively rotates during moving up and down, and causes locating part 52 in limit
Hole 211 misplaces and can not be plugged in limit hole 211.
As shown in figure 4, it is further, in fixed column 21 between the limit hole 211 of highest point and the limit hole 211 of minimum point
Be placed equidistant with multipair limit hole 211 along fixed column 21 is axial, the setting of multipair limit hole 211, allow medical staff according to
The needs for the treatment of, which are adjusted, to be opened rigid valve body 1(and sees Fig. 3) degree, thus to control the flow of drawing liquid or infusion.
As shown in Fig. 2, between fixed column 21 and push rod 22 be equipped with second spring 27, the both ends of second spring 27 respectively with push away
The upper surface of bar 22 and the inner wall of fixed column 21 are affixed and cover in the outside of pull rod 23, and the stroke of second spring 27 is greater than push rod 22
Displacement, when medical staff pull push rod 22 to highest point when, 27 forced contraction of second spring, locating part 52 is connected to fixation
It is limited in the limit hole 211 of 21 upper end of column.
According to the needs for the treatment of, when the flow of rigid valve body 1 needs to adjust, medical staff pins locating part 52, make its with
First spring 51 is contracted in groove 221, at this time push rod 22 and bumping post 25 by second spring 27 elastic force and self gravity effect,
It moves downward rapidly, until locating part 52 to clamping is into lower a pair of of limit hole 211, bumping post 25 shelters from part second and leads at this time
The valve port of connectivity part between flow tube 12 and vertical pipe 13, to realize the adjusting to flow.
As shown in figure 3, the stroke of second spring 27 is greater than the setting of the displacement of push rod 22, second spring 27 is made to have foot
Enough elastic force quickly pushes push rod 22 to move downward, and makes the clamping of locating part 52 into limit hole 211, when saving used in adjusting
Between, while being operated convenient for medical staff.
As shown in Fig. 2, the position in vertical pipe 13 between the first diversion pipe 11 and the second diversion pipe 12 is equipped with and fixes
Ring 6, the peripheral edge of fixed ring 6 with 13 inner wall of vertical pipe along being fixedly connected, and the upper surface of fixed ring 6 is connected with gasket 7, to rigid
When property valve body 1 is closed, bumping post 25 is connected in fixed ring 6, and gasket 7 is extruded between bumping post 25 and fixed ring 6, to two
A possibility that being sealed at abutting between person, reducing gas leakage or leakage.
As shown in Figure 2 and Figure 8, before being treated to patient, medical needle 3 and syringe 4 is connected to first and led
At 4 converting interface 121 of syringe at needle hub 111 in flow tube 11 and on the second diversion pipe 12, medical needle 3 is pierced into disease
In the thoracic cavity of people, while the air in pipe enters in the thoracic cavity of patient in order to prevent, driving handle 24, and push rod 22 is made to drive bumping post
25 move downward, until being connected on the elastic cushion of 6 upper surface of fixed ring, by 13 connectivity part of the first diversion pipe 11 and vertical pipe
Valve port blocks, so that rigid valve body 1 be closed；When treating to patient, handle 24 is pulled up, transports bumping post 25 upwards
It is dynamic, the valve port of 13 connectivity part of the first diversion pipe 11 and vertical pipe is opened and carries out drawing liquid or pumping.
According to the needs for the treatment of, bumping post 25 can be constantly moved up, is gradually increased the degree of the unlatching of rigid valve body 1, from
And to control the size of flow；When needing replacing needle tubing, aforesaid operations are repeated, rigid valve body 1 is closed, puncture needle shut-off valve
Setting controls the switch of gas and liquid convenient for medical staff, saves manpower.
The course of work: when medical staff needs to close rigid valve body 1, driving handle 24 makes push rod 22 drive bumping post
25 move downward, until being connected on the elastic cushion of 6 upper surface of fixed ring, by 13 connectivity part of the first diversion pipe 11 and vertical pipe
Valve port blocks, so that rigid valve body 1 be closed；When medical staff needs to open rigid valve body 1, handle 24 is pulled up,
Bumping post 25 is moved upwards, the valve port of 13 connectivity part of the first diversion pipe 11 and vertical pipe is opened, while according to the needs for the treatment of,
Bumping post 25 can be constantly moved up, the degree of the unlatching of rigid valve body 1 is gradually increased, thus to control the size of flow.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of pneumothorax puncture needle shut-off valve, it is characterized in that: including rigid valve body (1) and setting in the rigid valve body (1)
On valve (2), the rigid valve body (1) includes the first diversion pipe (11), the second diversion pipe (12) and vertical pipe (13), described
The upper end closed of vertical pipe (13), lower end are equipped with opening, and first diversion pipe (11) and second diversion pipe (12) are respectively
Two sides in the vertical pipe (13) are set and are located at different height, one end of first diversion pipe (11) is integrally connected to institute
The opening of vertical pipe (13) is stated, one end of second diversion pipe (12), which is integrally connected on the vertical pipe (13), is higher than institute
State the position of the first diversion pipe (11)；
The valve (2) includes being fixed on the vertical pipe (13) and axis is consolidated with what the vertical pipe (13) axis coincided
Fixed column (21), the fixed column (21) is interior to be slidably connected push rod (22), and the upper end of the push rod (22) is connected with pull rod (23),
The upper end of the pull rod (23) is pierced by the fixed column (21), and the lower end of the push rod (22) penetrates in the vertical pipe (13),
One end that the push rod (22) penetrates in the vertical pipe (13), which is connected with, slides into highest point or minimum in the push rod (22)
Bumping post (25) of the point to open or close the rigid valve body (1)；
The opposite and two sides positioned at sustained height of the push rod (22) open up fluted (221) respectively, divide in the groove (221)
It is not provided with the limit assembly (5) limited to the push rod (22).
2. a kind of pneumothorax puncture needle shut-off valve according to claim 1, it is characterized in that: the limit assembly (5) includes one
Hold the first spring (51) for being fixed in the groove (221) slot bottom and the limit affixed with the first spring (51) other end
Part (52), the two sides of the fixed column (21), which correspond to the push rod (22) and slide into the positions of highs and lows, to be offered
For the limit hole (211) of the locating part (52) grafting.
3. a kind of pneumothorax puncture needle shut-off valve according to claim 2, it is characterized in that: the locating part (52) is sphere.
4. a kind of pneumothorax puncture needle shut-off valve according to claim 2, it is characterized in that: being located on the push rod (22) described
Two sides between limit assembly (5) have been respectively and fixedly connected with sliding block (26), and the sliding block (26) is in same with the limit assembly (5)
Horizontal plane, the position that fixed column (21) inner wall corresponds to the sliding block (26) are offered respectively for gliding on the sliding block (26)
Dynamic slideway (212).
5. a kind of pneumothorax puncture needle shut-off valve according to claim 1, it is characterized in that: highest point in the fixed column (21)
Limit hole (211) and minimum point limit hole (211) between be placed equidistant with multipair limit hole (211).
6. a kind of pneumothorax puncture needle shut-off valve according to claim 1, it is characterized in that: the fixed column (21) and described pushing away
It is connected between bar (22) second spring (27), the second spring (27) covers on the outside of the pull rod (23), second bullet
The stroke of spring (27) is greater than the displacement of the push rod (22).
7. a kind of pneumothorax puncture needle shut-off valve according to claim 1, it is characterized in that: the upper end of the bumping post (25) is always
Higher than the upper end of second diversion pipe (12) and the vertical pipe (13) connectivity part.
8. a kind of pneumothorax puncture needle shut-off valve according to claim 1, it is characterized in that: the pull rod (23) be pierced by it is described solid
One end of fixed column (21) is connected with handle (24).
9. a kind of pneumothorax puncture needle shut-off valve according to claim 1, it is characterized in that: in the vertical pipe (13) it is affixed with
The fixed ring (6) of vertical pipe (13) axis perpendicular, the fixed ring (6) are located at first diversion pipe (11) and described
Between second diversion pipe (12), the upper surface of the fixed ring (6) is connected with gasket (7).
10. a kind of pneumothorax puncture needle shut-off valve according to claim 1, it is characterized in that: first diversion pipe (11) is remote
One end from the vertical pipe (13) is equipped with needle hub (111)；Second diversion pipe (12) is far from the vertical pipe (13)
One end be equipped with converting interface (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820689968.3U CN208910414U (en) | 2018-05-09 | 2018-05-09 | A kind of pneumothorax puncture needle shut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820689968.3U CN208910414U (en) | 2018-05-09 | 2018-05-09 | A kind of pneumothorax puncture needle shut-off valve |
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| Publication Number | Publication Date |
|---|---|
| CN208910414U true CN208910414U (en) | 2019-05-31 |
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ID=66692162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820689968.3U Active CN208910414U (en) | 2018-05-09 | 2018-05-09 | A kind of pneumothorax puncture needle shut-off valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839646A (en) * | 2020-07-30 | 2020-10-30 | 中国人民解放军陆军军医大学第一附属医院 | Hemostasis compression device |
-
2018
- 2018-05-09 CN CN201820689968.3U patent/CN208910414U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839646A (en) * | 2020-07-30 | 2020-10-30 | 中国人民解放军陆军军医大学第一附属医院 | Hemostasis compression device |
| CN111839646B (en) * | 2020-07-30 | 2021-08-03 | 中国人民解放军陆军军医大学第一附属医院 | Hemostasis compression device |
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