CN208465959U - A kind of waist wears rack for test tube - Google Patents

Abstract

The application provides a kind of waist and wears rack for test tube, the waist, which is worn, is arranged multiple test tube brackets for holding test tubes on support frame of the rack for test tube by annular, test tube hanger is installed in the center of support frame as described above, and connecting rod is set between support frame as described above and test tube hanger, support frame as described above is enabled to surround the center axis rotation of the connecting rod, after the test tube hanger is placed on the lumbar puncture needle needle handle, support frame as described above can rotate below the lumbar puncture needle, to drive the test tube being placed in support frame as described above to be gone to below lumbar puncture needle liquid receiving port in an orderly manner, it avoids frequently diverting sb.'s attention in waist across journey traditional Chinese physician, and it is able to solve test tube placement order and is easy the problem of obscuring.

Description

A kind of waist wears rack for test tube

Technical field

The application belongs to medical instruments field, in particular to a kind of waist wears rack for test tube.

Background technique

Lumbar puncture art is one of common inspection method of Neurological Clinics, is usually used in checking the property of cerebrospinal fluid, to examining The diseases such as disconnected central nervous system infection, demyelinating disease of central nervous system and autoimmune encephalitis are significant, and It is also used for intrathecal injection drug.The requirement of waist dress operation is accurate, errorless, to reduce the damage and pain of patient.Waist wears detection suit It generally includes lumbar puncture needle, pressure-measuring pipe, test tube and sets pipe clamp.

Waist wears the general needle core that lumbar puncture needle is pierced into patient interspace of lumbar vertebrae first, takes out in lumbar puncture needle of detection, by pressure-measuring pipe It is installed on lumbar puncture needle, measures Cerebrospinal Fluid in Patients pressure, then remove pressure-measuring pipe, connect cerebrospinal fluid with sterile test tube.Brain is connect with test tube When spinal fluid, cerebrospinal fluid need to be collected in respectively in several sterile test tubes, wherein the first pipe makees Bacteria Culture or detection (is such as looked for thin Bacterium, tulase etc.), the second pipe is made immunologic test (antibody etc.), and third pipe and later pipe make biochemical (such as chlorine, sugar or albumen Content) and conventional (such as red, leucocyte and leukocyte differential count) check.The sequence of cerebrospinal fluid and the project of inspection are related, mainly It is in puncture procedure, puncture needle damages in a organized way when passing through tissue, and tissue, blood or the tissue fluid of damage pollute needle tip With neighbouring cerebrospinal fluid, and contain more injury tissue and blood in first pipe (sometimes even second pipe) cerebrospinal fluid, it may be right Biochemical and routine inspection result produces bigger effect, and smaller on bacteriology checking influence, and third pipe and later cerebrospinal fluid In without or with injury tissue and blood it is few, biochemical and routine inspection result is not influenced, thus with third pipe and Later pipe makees biochemical and routine inspection, and the first pipe makees bacteriology checking.Currently, the test tube for containing cerebrospinal fluid is not any Label, for holding the rack for test tube for picking up cerebrospinal fluid test tube also without any label, operating doctor often can be due to high-pressure And placement order has been overturned, reduce the accuracy of testing result.

Detection project was few in the past, only acquired 3 pipes, and every pipe collects 1-2 milliliters.Present detection project increases, and often 5-6 is needed to manage, Some projects need cerebrospinal fluid amount larger, such as look for tumour cell, autoimmunity correlation encephalitis antibody test etc..In addition different doctors The requirement in institute or laboratory is different, therefore needs the acquisition as few as possible under the premise of meeting the amount of cerebrospinal fluid of testing requirements Cerebrospinal fluid, avoid it is very few cause detection to fail, or excessively surgical procedure is caused to extend, increases patient suffering, or the chance infected, And the waste of cerebrospinal fluid, increase the risk of the complication such as low intracranial pressure headache after puncturing, and take more time and lie up Deng.

The test tube for being commonly used for picking up cerebrospinal fluid is placed on station, and doctor needs constantly to turn in operation It moves sight and picks and places test tube, moreover, because test tube and lumbar puncture needle have a certain distance, cerebrospinal fluid still can during picking and placing test tube Continue to overflow, therefore, not only results in the waste of cerebrospinal fluid, and then cause the headache of patient's low intracranial pressure, but also will cause medical treatment Pollution.

Utility model content

The purpose of this utility model is to provide a kind of waists to wear rack for test tube, needs frequently to turn to solve waist across journey traditional Chinese physician It moves sight and test tube placement order is easy the problem of obscuring.

The utility model is by being arranged multiple test tube brackets for holding test tubes on the support frame of annular, in the branch Test tube hanger is installed in the center of support, and connecting rod is arranged between support frame as described above and test tube hanger, so that Support frame as described above can surround the center axis rotation of the connecting rod, when the test tube hanger is placed in the lumbar puncture needle needle handle After upper, support frame as described above can rotate below the lumbar puncture needle, to drive the test tube being placed in support frame as described above orderly Ground is gone to below lumbar puncture needle liquid receiving port, avoids frequently diverting sb.'s attention in waist across journey traditional Chinese physician, and is able to solve test tube placement Sequence is easy the problem of obscuring.

Waist provided by the present application wears the support frame 1 that rack for test tube includes: rigid annular shaped, support frame as described above be internally provided with to The spoke 2 of few two intersections, the spoke 2 intersects at the center of support frame as described above 1, in the position of the spoke 2 intersection The connecting rod 3 vertical with 1 anchor ring of support frame as described above is installed, is provided in 3 upper end of connecting rod for the waist to be worn examination Pipe support hangs on the test tube hanger on lumbar puncture needle, and support frame as described above 1 can surround the center axis rotation of the connecting rod 3, in institute It states and is fixedly installed multiple test tube brackets 5 for holding test tubes on support frame 1, the test tube bracket 5 is the rotary table of micro-elasticity The upper port of shape cylinder, the test tube bracket 5 is parallel with 1 anchor ring of support frame as described above or less parallel, the test tube bracket 5 it is upper The internal diameter of port is greater than the internal diameter of the lower port of the test tube bracket 5, and the internal diameter of the lower port of the test tube bracket 5 is slightly larger than examination The outer diameter of pipe.

In a kind of achievable mode, in 3 bottom end of connecting rod, the diametrical direction along connection rod end surface is from the company The end face of extension bar offers dilatation joint 31 to the inside of connecting rod, in the corresponding region of the dilatation joint 31, in the connecting rod 3 The boss 32 for block support frame as described above 1 is provided on the outer wall of bottom end, also, along described on the outer wall of the boss 32 The circumferential direction of connecting rod 3 is provided with multiple limiting cards 33 outwardly protruded, and the limiting card 33 is uniformly distributed in outside the connecting rod 3 Wall bottom end, multiple limiting cards 33 form helical form.

In a kind of achievable mode, offer in the position of the spoke 2 intersection for passing through the connecting rod 3 Centre bore 21 is provided with the limiting slot 22 to match with the limiting card 33 on the hole wall of the centre bore 21.

In a kind of achievable mode, it is fixedly installed and 1 anchor ring of support frame as described above in the position of the spoke 2 intersection Vertical connection handle 6, the connection handle 6 are integrally formed with the spoke 2, offer along the central axis of the connection handle 6 hollow Chamber is provided with the limiting slot 22 to match with the limiting card 33 on the inner wall of the hollow cavity

In a kind of achievable mode, the quantity of the limiting card 33 is equal with the quantity of the test tube bracket 5；It is described The position of limiting card 33 is corresponding with the position of the test tube bracket 5, when support frame as described above is rotated to corresponding detent, with the limit It is just opposite with the anchor ring in cavity portion 71 to block 33 corresponding test tube brackets 5.

In a kind of achievable mode, the test tube hanger includes the elastic ring 7 for being sheathed on lumbar puncture needle, institute State the sticking part 72 in cavity portion 71 and elasticity that elastic ring includes elasticity, the cavity portion 71 and 72 one of sticking part at Type, the sticking part 72 are fixedly connected on the top of the connecting rod 3, and the inner cavity in the cavity portion 71 has preset shape, institute The internal diameter for stating cavity portion 71 is slightly less than the outer diameter of lumbar puncture needle needle handle, and two elastic pieces of the sticking part 72 are bonded to each other, and works as institute When stating elastic ring by pressure to 3 direction of connecting rod, two elastic pieces separation of the sticking part 72, with the cavity portion 71 Form closed elastic ring.

In a kind of achievable mode, it is provided with damping layer on the inner wall in the cavity portion 71, in the damping layer Surface on be provided with salient point for increasing frictional force.

In a kind of achievable mode, the diameter of support frame as described above 1 is 3cm~5cm, the upper end of the test tube bracket 5 Mouth is higher than the anchor ring of support frame as described above 1.

In a kind of achievable mode, resilient sleeve 8, the resilient sleeve 8 are fixedly installed in 5 lower end of test tube bracket Internal diameter be less than test tube outer diameter.

In a kind of achievable mode, the test tube bracket 5 is uniformly distributed on support frame as described above 1；According to the examination The sequence of pipe holder 5 is labeled with serial number on each test tube bracket 5.

Compared with prior art, it can be pre-placed for picking up the test tube of cerebrospinal fluid and wear test tube in waist provided by the present application On frame, test tube in journey is passed through in waist and is placed in the rack for test tube always without removing from the rack for test tube, rotation is only passed through The support frame for turning the rack for test tube, which can be changed quickly, connects liquid test tube, avoids doctor from continually diverting sb.'s attention, further, passes through The specific dimensions buckled between support frame and connecting rod make the every rotation of support frame once can accurately move a test tube, make Empty test tube is located just at below the lumbar puncture needle liquid receiving port, thus avoid doctor's careless manipulation and caused by test tube position inaccuracy The problems such as, the sequence for connecing liquid can also be recorded using rack for test tube provided by the present application, provide basis to improve the accuracy checked.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is that the configuration schematic diagram for exemplifying a kind of waist and wearing rack for test tube is preferably implemented according to one；

Fig. 2 shows the bottom views that waist shown in Fig. 1 wears the connecting rod of rack for test tube；

Fig. 3 shows the top view that waist shown in Fig. 1 wears rack for test tube.

Description of symbols

1- support frame, 2- spoke, 21- centre bore, 22- limiting slot, 3- connecting rod, 31- dilatation joint, 32- boss, 33- limit Position card, 5- test tube bracket, 6- connection handle, 7- elastic ring, 71- cavity portion, 72- sticking part, 8- resilient sleeve.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clear, complete description, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1

Fig. 1 is that the structural schematic diagram that a kind of waist exemplified wears rack for test tube is preferably implemented according to one.As shown in Figure 1, institute It states waist and wears the support frame 1 that rack for test tube includes: rigid annular shaped, the test tube bracket 5 being set on support frame as described above 1 is set to described Spoke 2 inside support frame 1, the connecting rod 3 being set on the spoke 2 and the test tube hanger for being set to 3 top of connecting rod.

In the present embodiment, the diameter of support frame as described above 1 is 3cm~5cm.Applicants have discovered that in general, the length of lumbar puncture needle Degree is 10cm or so, and the part for being pierced into patient's body is 5cm or so, and therefore, also there are 5cm or so outside the patient's body for lumbar puncture needle Length, therefore, the diameter that the application provides support frame as described above is 3cm~5cm, and sufficient rotation can be reserved for support frame 1 Space, so that the test tube for picking up cerebrospinal fluid be avoided to touch the pollutions article such as skin of patient.

In the present embodiment, the test tube bracket 5 is the truncated cone-shaped cylinder of micro-elasticity, the upper port of the test tube bracket 5 Internal diameter is greater than the internal diameter of the lower port of the test tube bracket 5, and the internal diameter of the lower port of the test tube bracket 5 is outer slightly larger than test tube Diameter so that test tube to be placed in the test tube bracket 5, and takes out from the test tube bracket 5.

In the present embodiment, the upper port of the test tube bracket 5 and lower end product it is parallel with 1 anchor ring of support frame as described above or Person's less parallel, so that after test tube is placed in the test tube bracket 5, when test tube is rotated below lumbar puncture needle liquid receiving port, test tube mouth Can just be with lumbar puncture needle liquid receiving port to just, the cerebrospinal fluid oozed by lumbar puncture needle can drip just in test tube bottom rather than test tube wall On, to reduce the amount of picking up of cerebrospinal fluid.

In the present embodiment, the upper port of the test tube bracket 5 is higher than the anchor ring of support frame as described above 1, in order to which test tube exists Pick-and-place in the test tube bracket 5.

Optionally, it is fixedly installed with resilient sleeve 8 in 5 lower end of test tube bracket, the internal diameter of the resilient sleeve 8 is less than test tube Outer diameter.After test tube is placed in the test tube bracket 5, the resilient sleeve 8 is coated on outside test tube, is increased test tube and is being tried Stability in pipe holder 5.

In the present embodiment, the test tube bracket 5 is at least 5, for example, 6.Applicants have discovered that with check item Purpose increases, and the quantity for usually requiring acquisition cerebrospinal fluid at present is 6 pipes or so, and therefore, the present embodiment is with 6 test tube brackets 5 Example is illustrated.With the continuous development of medical level, to may being changed with sample amount for cerebrospinal fluid, for being set to support The quantity on test tube bracket 5 on frame 1 can also change therewith.

Optionally, the test tube bracket 5 is uniformly distributed on support frame as described above 1, so that support frame as described above 1 keeps balancing, Increase supporting role of the support frame as described above 1 to the test tube bracket 5.

Further, according to the sequence of the test tube bracket 5, it is labeled with serial number on each test tube bracket 5, so as to Each test tube connects liquid sequence in record test tube bracket 5, or is labeled with mark on some rack for test tube, is connect with record start Liquid test tube to infer each test tube connect liquid sequence.

Since test tube is placed in the rack for test tube and remains stationary during picking up cerebrospinal fluid, moreover, the support Frame 1 is successively rotated according to specific direction, without the situation of reversion, therefore, can only record direct liquid test tube, and Other test tubes connect liquid sequence i.e. deducibility and know.

By indicating serial number on the test tube bracket 5, the sequence of the cerebrospinal fluid picked up in each test tube can be clearly known, Liquid sequence is connect without operate that doctor particularly records each test tube, will not obscure each test tube connects liquid sequence, this can be with Make to operate the more wholwe-hearted carry out waist dress operation of doctor.

In the present embodiment, the spoke 2 is at least two, and the spoke 2 intersects at the centre bit of support frame as described above 1 It sets, for example, as is shown in fig. 1, the spoke can be three, and three spokes intersect at the center of support frame as described above 1, every spoke One end of item 2 is corresponding with a test tube bracket 5, to increase the firmness of test tube bracket 5.

In the present embodiment, the company vertical with 1 anchor ring of support frame as described above is installed in the position that a plurality of spoke 2 intersects Extension bar 3, support frame as described above 1 can surround the center axis rotation of the connecting rod 3.

Optionally, in 3 lower part of connecting rod, the diametrical direction along connection rod end surface is from the end face of the connecting rod to even The inside of extension bar offers dilatation joint 31.

In another achievable mode, as shown in Fig. 2, in the corresponding region of the dilatation joint 31, in the connection The boss 32 for block support frame as described above 1, also, the edge on the outer wall of the boss 32 are provided on the outer wall of 3 bottom end of bar The circumferential direction of the connecting rod 3 is provided with multiple limiting cards 33 outwardly protruded, and the limiting card 33 is uniformly distributed in the connection 3 outer wall bottom of bar, multiple limiting cards 33 form helical form, after the connecting rod is installed on the spoke, the branch Support can surround the central axis single direction rotation of the connecting rod.

Correspondingly, as shown in figure 3, being fixedly installed in the position of the spoke 2 intersection vertical with 1 anchor ring of support frame as described above Connection handle 6, the connection handle 6 is integrally formed with the spoke 2, and the central axis along the connection handle 6 offers centre bore 21, The limiting slot 22 to match with institute limiting card 33 is offered on the inner wall of the centre bore 21.

Optionally, the position of the boss 32 is corresponding with the position of the test tube bracket 5, the every rotation of support frame as described above 1 Once, next test tube bracket can be moved to below lumbar puncture needle liquid receiving port just.

In this implementation, the quantity of the limiting card 33 is equal with the quantity of the test tube bracket 5；The limiting card 33 position is corresponding with the position of the test tube bracket 5, right with the limiting card 33 when support frame as described above is rotated to corresponding detent The test tube bracket 5 answered is just opposite with the anchor ring in cavity portion 71.

In another achievable mode, in the corresponding region of the dilatation joint 31, in the outer of 3 bottom end of connecting rod One is provided on wall for correspondingly offering in 6 hollow cavity of connection handle more to the positioning card of support frame as described above 1 A locating slot, each locating slot is corresponding with a test tube bracket respectively, so that the every rotation of support frame as described above 1 is primary, under lucky One test tube bracket can be moved to below lumbar puncture needle liquid receiving port.

In the present embodiment, it is provided in 3 upper end of connecting rod and hangs on lumbar puncture needle for the waist to be worn rack for test tube On test tube hanger.

In a kind of achievable mode, the test tube hanger includes the elastic ring 7 for being sheathed on lumbar puncture needle, institute State the sticking part 72 in cavity portion 71 and elasticity that elastic ring includes elasticity, the cavity portion 71 and 72 one of sticking part at Type, the sticking part 72 are fixedly connected on the top of the connecting rod 3, and the inner cavity in the cavity portion 71 has preset shape, institute The internal diameter for stating cavity portion 71 is slightly less than the outer diameter of lumbar puncture needle needle handle, and two elastic pieces of the sticking part 72 are bonded to each other, and works as institute When stating elastic ring by pressure to 3 direction of connecting rod, two elastic pieces separation of the sticking part 72, with the cavity portion 71 Form closed elastic ring.

In a kind of achievable mode, the shape of the inner cavity in the cavity portion 71 and the form fit of lumbar puncture needle needle handle, For example, if the needle handle of lumbar puncture needle be it is rectangular, the inner cavity in the cavity portion 71 is rectangular, if the needle handle of lumbar puncture needle is circle Shape, then the inner cavity in the cavity portion 71 is circle.

Optionally, it is fixedly installed damping layer on the inner wall in the cavity portion 71, is set on the surface of the damping layer It is equipped with the salient point for increasing frictional force.

In the present embodiment, the waist, which wears rack for test tube, can be used the material manufacture of lightweight, such as light plastic, with maximum Reduce to limit the waist and wears influence of the rack for test tube to waist dress operation.

Embodiment 2

The present embodiment the difference from embodiment 1 is that, be provided with diameter slightly larger than the company in the bottom end of the connecting rod The chuck of extension bar outer diameter, after the connecting rod 3 is installed on the spoke 2, the chuck limits the connecting rod 3 Position, prevents support frame 1 by falling off in the connecting rod 3, offers in the position of the spoke 2 intersection for across the connection The centre bore 21 of bar 3.

Hollow cavity, after the connecting rod 3 is installed on the spoke, support frame as described above 1 can be around the connecting rod Central axis rotates freely.

If the boss 32 for block support frame as described above 1 is provided on the outer wall of 3 bottom end of connecting rod, in institute State the limiting slot 22 for being provided on the hole wall of centre bore 21 and matching with the limiting card 33.

If being provided with the positioning card being used for support frame as described above 1 on the outer wall of 3 bottom end of connecting rod, Multiple locating slots are offered on the hole wall of the centre bore 21, each locating slot is corresponding with a test tube bracket respectively, so that The every rotation of support frame as described above 1 is primary, and lucky next test tube bracket can be moved to below lumbar puncture needle liquid receiving port.

Illustrate that waist provided by the present application wears the usage mode of rack for test tube below with reference to embodiment 1: first putting test tube respectively It is placed in test tube bracket, then presses the elastic ring 7, separate 72 phase of sticking part, and form an entirety with cavity portion 71 Elastic ring, the elastic ring is sheathed on the lumbar puncture needle needle handle, picks up cerebrospinal fluid since being marked with No. 1 test tube, After No. 1 test tube picks up enough cerebrospinal fluid, rotary support frame successively picks up cerebrospinal fluid in each test tube, after picking up It removes waist and wears rack for test tube, extract lumbar puncture needle.

Since to avoid the cerebrospinal fluid picked up in test tube from being contaminated, the amount of the cerebrospinal fluid picked up in each test tube is less, It hardly makes patient have apparent weight bearing sense, and the cerebrospinal fluid picked up will not make lumbar puncture needle that apparent deformation occur, Therefore, waist provided by the present application, which wears rack for test tube, can easily pick up cerebrospinal fluid, on the one hand reduce operation doctor and continually shift On the other hand sight can reduce the waste of cerebrospinal fluid caused by during replacing test tube, reduce medical treatment pollution, it can also The sequence for the cerebrospinal fluid that enough accurate recordings pick up, avoids sequence from obscuring, and provides the foundation for the raising of inspection result accuracy.

Combine detailed description and exemplary example that the application is described in detail above, but these explanations are simultaneously It should not be understood as the limitation to the application.It will be appreciated by those skilled in the art that without departing from the application spirit and scope, A variety of equivalent substitution, modification or improvements can be carried out to technical scheme and embodiments thereof, these each fall within the application In the range of.The protection scope of the application is determined by the appended claims.

Claims (10)

1. a kind of waist wears rack for test tube, which is characterized in that the rack for test tube includes: the support frame (1) of rigid annular shaped, in the support Frame is internally provided with the spoke (2) of at least two intersections, and the spoke (2) intersects at the center of support frame as described above (1),

The connecting rod vertical with support frame as described above (1) anchor ring (3) are installed in the position of the spoke (2) intersection, in the company Extension bar (3) upper end is provided with for the waist to be worn the test tube hanger that rack for test tube is hung on lumbar puncture needle, support frame as described above (1) The center axis rotation of the connecting rod (3) can be surrounded,

Multiple test tube brackets (5) for holding test tubes, the test tube bracket (5) are fixedly installed on support frame as described above (1) Upper port for the truncated cone-shaped cylinder of micro-elasticity, the test tube bracket (5) is parallel or approximate flat with support frame as described above (1) anchor ring Row, the internal diameter of the upper port of the test tube bracket (5) are greater than the internal diameter of the lower port of the test tube bracket (5), the test tube branch The internal diameter of the lower port of frame (5) is slightly larger than the outer diameter of test tube.

2. rack for test tube according to claim 1, which is characterized in that

In the connecting rod (3) bottom end, the diametrical direction of edge connection rod end surface is from the end face of the connecting rod into connecting rod Portion offers dilatation joint (31), in the corresponding region of the dilatation joint (31), is arranged on the outer wall of the connecting rod (3) bottom end There is the boss (32) for block support frame as described above (1), also,

Circumferential direction on the outer wall of the boss (32) along the connecting rod (3) is provided with multiple limiting cards outwardly protruded (33), the limiting card (33) is uniformly distributed in the connecting rod (3) outer wall bottom end, and multiple limiting cards (33) form spiral Shape.

3. rack for test tube according to claim 2, which is characterized in that offer and be used in the position of the spoke (2) intersection Centre bore (21) across the connecting rod (3) is provided with and the limiting card (33) on the hole wall of the centre bore (21) The limiting slot (22) to match.

4. rack for test tube according to claim 2, which is characterized in that be fixedly installed in the position of the spoke (2) intersection The connection handle (6) vertical with support frame as described above (1) anchor ring, the connection handle (6) and the spoke (2) are integrally formed, along described The central axis of connection handle (6) offers hollow cavity, is provided on the inner wall of the hollow cavity and the limiting card (33) phase The limiting slot (22) matched.

5. rack for test tube according to claim 2, which is characterized in that the quantity of the limiting card (33) and the test tube bracket (5) quantity is equal；

The position of the limiting card (33) is corresponding with the position of the test tube bracket (5), when support frame as described above is rotated to corresponding card When position, test tube bracket (5) corresponding with limiting card (33) is just opposite with the anchor ring of cavity portion (71).

6. rack for test tube according to claim 1, which is characterized in that the test tube hanger includes for being sheathed on lumbar puncture needle On elastic ring (7), the elastic ring include elasticity cavity portion (71) and elastic sticking part (72), the cavity portion (71) It is integrally formed with the sticking part (72), the sticking part (72) is fixedly connected on the top of the connecting rod (3), the cavity The inner cavity in portion (71) has preset shape, and the internal diameter of the cavity portion (71) is slightly less than the outer diameter of lumbar puncture needle needle handle, the fitting Two elastic pieces in portion (72) are bonded to each other, when the elastic ring is by pressure to connecting rod (3) direction, the sticking part (72) two elastic pieces separation, forms closed elastic ring with the cavity portion (71).

7. rack for test tube according to claim 6, which is characterized in that be provided with damping on the inner wall of the cavity portion (71) Layer, is provided with the salient point for increasing frictional force on the surface of the damping layer.

8. rack for test tube according to claim 1, which is characterized in that the diameter of support frame as described above (1) is 3cm~5cm, described The upper port of test tube bracket (5) is higher than the anchor ring of support frame as described above (1).

9. rack for test tube according to claim 1, which is characterized in that be fixedly installed with bullet in test tube bracket (5) lower end Property set (8), the internal diameter of the resilient sleeve (8) is less than the outer diameter of test tube.

10. rack for test tube according to claim 1, which is characterized in that the test tube bracket (5) is uniformly distributed in the support On frame (1)；According to the sequence of the test tube bracket (5), serial number is labeled on each test tube bracket (5).