CN209187148U - Haemodialysis, which punctures, uses Novel nursing device - Google Patents

Abstract

The utility model discloses a kind of haemodialysis puncture Novel nursing devices, including pedestal, the first fixing piece and the second fixing piece；Pedestal includes bottom plate and left plate set on the bottom plate and right side plate, and plate upper surface offers the first groove for being suitable for accommodating arm, and lower surface is provided with a locking member；First fixing piece includes slide plate and the first restraining plate, and the left and right ends of slide plate are slidably connected with left plate and right side plate respectively, and the first restraining plate is set on slide plate, and can move up and down along slide plate, and the lower surface of the first restraining plate is equipped with the first restraint slot；Second fixing piece includes two guide rods and the second restraining plate, the opposite lower surface for being set to slide plate of two guide rods or so, second restraining plate is slidably arranged between two guide rods, and lower surface offers the second restraint slot, is provided with inflatable bladders on the cell wall of the second restraint slot.Effect: the utility model has preferable arm effect of contraction, and vdiverse in function, practical, has a large promotion value.

Description

Haemodialysis, which punctures, uses Novel nursing device

Technical field

It is punctured the utility model relates to medical instruments field more particularly to a kind of haemodialysis and uses Novel nursing device.

Background technique

Haemodialysis is a kind of one of most common renal replacement therapies method.Dialysis refers to that solute passes through semi-permeable membrane, from Highly concentrated solution is moved to low concentration direction.Haemodialysis includes the movement of solute and the movement of water, i.e. blood and dialyzate exists It borrows in dialyzer (artificial kidney) semi-permeable membrane contact and concentration gradient to carry out mass exchange, makes metabolic waste in blood and excessive Electrolyte is mobile to dialyzate, and calcium ion, the base etc. in dialyzate are moved into blood.If the mixed of albumin and urea It closes liquid to be put into dialyzer, pipe exterior-applied liquid medicine impregnates, and at this moment the urea in dialyzer pipe will be shifted to outside pipe by artificial kidney fenestra Water in, albumin molecule is larger, cannot pass through fenestra.This small-molecule substance can cannot pass through half by macromolecular substances The mobile phenomenon of the substance of permeable membrane is known as disperse.The side that blood makes up to purification purpose is clinically isolated and purified with diffusing phenomenon Method is the basic principle of haemodialysis.When patient dialyses, due to extracorporeal circulation of blood to be established, blood temperature is vulnerable to room temperature institute It influences, especially in winter, patient, in addition the dialysis treatment time is general also longer, needs 4-5 hour with greater need for keeping warm, so Patient generally can enter sleep state in this period, however patient unconscious limb activity or is being covered in dialysis procedure When bedding, all puncture needle or needle tubing may be touched because of arm movement or bedding landing, bring unnecessary meaning to patient (touching syringe needle or needle tubing are possible to patient's puncture needle is caused to fall off to cause big bleeding to occur suffering a shock so that death etc. is anticipated for outer risk Outer event), aiming at the problem that in the presence of current blood dialysis, devises a haemodialysis and fixed with internal fistula limb and worn Pierce protective device, with guarantee dialysis procedure go on smoothly very it is necessary to.

Utility model content

The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality It is to propose a kind of haemodialysis puncture Novel nursing device with novel purpose.

To achieve the above object, according to the haemodialysis puncture Novel nursing device of the utility model embodiment, comprising:

Pedestal, the pedestal include bottom plate and the opposite left plate and right side plate that are set on the bottom plate, the bottom Plate upper surface offers first groove for extending along the longitudinal direction and be suitable for accommodating arm, and lower surface is provided with a locking member；

First fixing piece, first fixing piece include slide plate and the first restraining plate, the left and right ends difference of the slide plate It is slidably connected with the left plate and right side plate, and glide direction is front-rear direction, first restraining plate is set to the cunning It on plate, and can be moved up and down along the slide plate, the lower surface of first restraining plate offers the first restraint slot；

Second fixing piece, second fixing piece include guide rod and the second restraining plate, and the guide rod is set as two, The opposite lower surface for being set to the slide plate of two guide rods or so, second restraining plate are slidably arranged on two Between a guide rod, and glide direction is front-rear direction, and the lower surface of second restraining plate offers the second restraint slot, Inflatable bladders are provided on the cell wall of second restraint slot.

It is solid according to haemodialysis puncture Novel nursing device provided by the embodiment of the utility model, including pedestal, first Determine part and the second fixing piece, pedestal includes bottom plate, left plate and right side plate, and base upper surface is equipped with the first groove, and lower surface is set It is equipped with locking member, left plate and right side plate is opposite is set on bottom plate；First fixing piece includes slide plate and the first restraining plate, and One restraining plate is slidably set between left plate and right side plate, and the first restraining plate can move up and down, and lower surface is equipped with the first constraint Slot, the second fixing piece include guide rod and the second restraining plate, and guide rod is set to slide plate bottom, and the second restraining plate and guide rod slide Second restraint slot of cooperation, the second restraining plate is equipped with inflatable bladders.In this way, when patient is when carrying out haemodialysis, it can be by this It is fixed on hospital bed using novel, then arm to be punctured is placed in the first groove, after the completion of puncture, utilize the first restraining plate pair One end of arm is fixed, and is fixed using the other end of second restraining plate to arm, the arm can be constrained in bottom On seat, on the one hand, can play the role of that bedding is isolated, prevent bedding from touching puncture needle head position and bringing unexpected wind Danger；On the other hand, unconscious adjustment arm posture and position when patient's rest are prevented and leads to that piercing needle falls off and brings Unexpected risk.

In addition, according to the haemodialysis puncture Novel nursing device of the utility model above-described embodiment can also have as Under additional technical characteristic:

It further include guiding puncture component in one embodiment according to the present utility model, the guiding puncture component includes Directing plate and pivot block；

The pivot block is set as two, two described pivot blocks or so it is opposite be set to table on second restraining plate The both ends in face；

The rear end of the directing plate is rotatablely connected with two pivot blocks, is offered along the longitudinal direction in the middle part of upper surface The guide pin slot for biopsy needle guide extended.

It further include angle measure component in one embodiment according to the present utility model, the angle measure component includes Mounting rod, protractor and aid measuring pole；

The mounting rod is installed on the upper surface of second restraining plate, and is located therein the rear of a pivot block, The protractor is slidably arranged on the rear wall of the mounting rod, and glide direction is up and down direction, the protractor Measurement range be 90 °, the aid measuring pole is set to the rear end of the directing plate, and is arranged in parallel with the directing plate；

When the directing plate turns to horizontal position around the pivot block, zero quarter of the directing plate and the protractor Degree line is parallel to each other.

In one embodiment according to the present utility model, slidably connected on the opposite inner wall of two guide rods There is a reference scale, the glide direction of the reference scale is front-rear direction, and the reference scale is made of clear material, and is arranged thereon There are multiple reference bores；

The front interval of the upper surface of two guide rods is evenly provided with a plurality of first graduation mark.

In one embodiment according to the present utility model, the directing plate upper surface is provided in the two sides of the guide pin slot Second graduation mark.

In one embodiment according to the present utility model, the upper surface of the slide plate offers a through-hole, opens on front side wall Equipped with the locking hole for being connected to the through-hole；

First restraining plate is arranged in the through-hole, on front side wall in the vertical direction it is evenly spaced offer it is multiple Locking slot, first restraining plate are removably lock onto described by check lock lever compatible with the locking hole and locking slot In through-hole.

In one embodiment according to the present utility model, one is offered in the opposing sidewalls of the left plate and right side plate The guide groove extended along the longitudinal direction；

The left and right ends of the slide plate each extend over out a sliding part, and two sliding parts and two guide grooves are sliding Dynamic cooperation.

In one embodiment according to the present utility model, opened on the left side wall of the left plate and the right side wall of right side plate The fixing groove extended along the longitudinal direction equipped with one offers the connection guide groove on the cell wall of the fixing groove and along front and back To the jack of extension；

The second groove is offered on the end face of the one end of the sliding part far from the slide plate, is equipped with one in the jack Be locked bar, and the part that is locked is slidably matched with the jack, and is adapted with second groove, solid for locking The fixed slide plate.

It further include hood for protecting rider in one embodiment according to the present utility model, the hood for protecting rider includes cover and fixed part, The arc-shaped structure in the section of the cover, and be made of clear material, the fixed part is set to the both ends of the cover；

The upper surface of the left plate and right side plate offers the slot extended along the longitudinal direction, and the slot extends to On the wall of front and rear sides；

Two fixed parts can insert respectively under be installed in two slots, the cover is installed on described On pedestal.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model embodiment；

Fig. 2 is that the utility model embodiment part-structure is intended to；

Fig. 3 is the partial enlargement diagram in Fig. 2 at A；

Fig. 4 is the structural schematic diagram of the utility model embodiment hood for protecting rider.

Appended drawing reference:

Pedestal 10；

Bottom plate 11；

First groove 111；

Locking member 112；

Left plate 12；

Fixing groove 121；

Jack 1211；

Right side plate 13；

Guide groove 131；

Slot 132；

First fixing piece 20；

Slide plate 21；

Sliding part 211；

Second groove 2111；

First restraining plate 22；

First restraint slot 221；

Second fixing piece 30；

Guide rod 31；

First graduation mark 311；

Second restraining plate 32；

Second restraint slot 321；

Inflatable bladders 3211；

Guiding puncture component 40；

Directing plate 41；

Guide pin slot 411；

Second graduation mark 412；

Pivot block 42

Angle measure component 50；

Mounting rod 51；

Protractor 52；

Aid measuring pole 53；

Reference scale 60；

Hood for protecting rider 70；

Cover 71；

Fixed part 72.

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.

Referring to figs. 1 to 4, the utility model embodiment provides a kind of haemodialysis puncture and is filled with Novel nursing It sets, including pedestal 10, the first fixing piece 20 and the second fixing piece 30.

Specifically, pedestal 10 includes bottom plate 11 and the opposite left plate 12 being set on bottom plate 11 and right side plate 13, bottom 11 upper surface of plate offers first groove 111 for extending along the longitudinal direction and be suitable for accommodating arm, and the first groove 111 is arc-shaped Structure is provided with the first flexible pad on cell wall, and to improve comfort, 11 lower surface of bottom plate is provided with a locking member 112, locking member 112 can use horizontal U-shaped part, other structures can also be used, for pedestal 10 to be fixed on fixture, such as nursing bed Edge of bed position etc..

First fixing piece 20 include slide plate 21 and the first restraining plate 22, the left and right ends of slide plate 21 respectively with left plate 12 and Right side plate 13 is slidably connected, and glide direction is front-rear direction, and the first restraining plate 22 is set on slide plate 21, and can be along slide plate 21 Move up and down, it is preferable that offered in the opposing sidewalls of left plate 12 and right side plate 13 one extend along the longitudinal direction lead To slot 131, the left and right ends of slide plate 21 each extend over out a sliding part 211, and two sliding parts 211 and two guide grooves 131 are sliding Dynamic cooperation.The lower surface of first restraining plate 22 offers the first restraint slot 221, the arc-shaped structure of the first restraint slot 221, on cell wall It is provided with the second flexible pad, to improve comfort.

Second fixing piece 30 includes guide rod 31 and the second restraining plate 32, and guide rod 31 is set as two, two guide rods 31 or so the opposite lower surfaces for being set to slide plate 21, the second restraining plate 32 are slidably arranged between two guide rods 31, And glide direction is front-rear direction, the lower surface of the second restraining plate 32 offers the second restraint slot 321, the second restraint slot 321 Inflatable bladders 3211, substantially arc-shaped structure after 3211 inflation of inflatable bladders are provided on cell wall.

When in use, pedestal 10 is locked on nursing bed using the locking member 112 of 10 lower surface of pedestal, it then, will be to It punctures arm to be placed in the first groove 111, after medical staff chooses puncture position, punctures and wrap up for patient, complete Afterwards, the slide plate 21 on the first fixing piece 20 can be moved along the longitudinal direction, after being moved to suitable position, by the first slide plate 21 into Row is fixed, and the first restraining plate 22 is adjusted up and down, so that the first restraining plate 22 generates certain pressing force to arm, thus by arm One end constrain in the first groove 111；Further, it is moved forward and backward the second restraining plate 32 along guide rod 31, it is mobile suitable It is fixed behind position, and is inflated for inflatable bladders 3211, after 3211 inflation of inflatable bladders, arm is generated certain Pressing force, to the other end of arm be constrained in the first groove 111, as a result, since arm both ends are by certain Pressing force, thus be constrained in the first groove 111, and since pedestal 10 is fixed on nursing bed, so that arm is not It is easily mobile, and the left plate 12 of pedestal 10 and right side plate 13 are above the upper surface of arm and avoid so that bedding can also be supported Bedding touches site of puncture.

According to haemodialysis puncture Novel nursing device provided by the embodiment of the utility model, including pedestal 10, first Fixing piece 20 and the second fixing piece 30, pedestal 10 include bottom plate 11, left plate 12 and right side plate 13, and 10 upper surface of pedestal is equipped with the One groove 111, lower surface are provided with locking member 112, left plate 12 and right side plate 13 is opposite is set on bottom plate 11；First is solid Determining part 20 includes slide plate 21 and the first restraining plate 22, and the first restraining plate 22 is slidably set between left plate 12 and right side plate 13, First restraining plate 22 can move up and down, and lower surface is equipped with the first restraint slot 221, and the second fixing piece 30 includes guide rod 31 and second Restraining plate 32, guide rod 31 are set to 21 bottom of slide plate, and the second restraining plate 32 is slidably matched with guide rod 31, the second restraining plate 32 Second restraint slot 321 is equipped with inflatable bladders 3211.In this way, the use of the new type can be consolidated when patient is when carrying out haemodialysis It is placed in the first groove 111 due on hospital bed, then by arm to be punctured, after the completion of puncture, using the first restraining plate 22 to arm One end be fixed, the other end of arm is fixed using the second restraining plate 32, which can be constrained in pedestal On 10, on the one hand, can play the role of that bedding is isolated, prevent bedding from touching puncture needle head position and bringing unexpected wind Danger；On the other hand, unconscious adjustment arm posture and position when patient's rest are prevented and leads to that piercing needle falls off and brings Unexpected risk.

It advantageously, further include guiding puncture component 40 in an example of the utility model, guiding puncture component 40 wraps Include directing plate 41 and pivot block 42；

Pivot block 42 is set as two, opposite be set to 32 upper surface of the second restraining plate two of two pivot blocks 42 or so End；

The rear end of directing plate 41 is rotatablely connected with two pivot blocks 42, is offered in the middle part of upper surface and is extended along the longitudinal direction The guide pin slot 411 for biopsy needle guide.

When carrying out haemodialysis, first have to carry out internal fistula puncture, there are many ways to puncture, due to puncture time compared with It is more, for the through-hole for mitigating patient, it will usually buttonhole formula puncture method is used, with this method when puncturing, it is only necessary in arm On establish a puncture channel, this requires each puncture paths of medical staff to be consistent, to medical staff's Professional skill requirement is higher, while operation difficulty is larger.In the present invention, by the way that guiding puncture component 40 is arranged, can Venipuncture difficulty can be greatly reduced.Specifically, after having marked puncture position, the second restraining plate 32 is adjusted when first puncture To the position to be punctured marked is closed on, then, directing plate 41 is pivoted around pivot block 42, so that the puncture position and guide pin slot 411 front end is opposite, is fixed by directing plate 41, and then the syringe needle of puncture needle advances along the path of guide pin slot 411 And punctured, after the completion of puncture, the angle between directing plate 41 and the second restraining plate 32, the angle are then puncture to record at this time It with reference to angle, in subsequent punctured, is punctured with the angle, in this way, can guarantee subsequent puncture angle with before Secondary puncture angle is identical, is conducive to the pain for mitigating patient.

After the completion of guiding puncture, continue the position for adjusting the second restraining plate 32, adjust to behind suitable position, then cooperates the The both ends of arm are fixed in one restraining plate 22, can constrain arm, so that using effect is good.

It advantageously, further include angle measure component 50 in an example of the utility model, angle measure component 50 wraps Include mounting rod 51, protractor 52 and aid measuring pole 53；

Mounting rod 51 is installed on the upper surface of the second restraining plate 32, and is located therein the rear of a pivot block 42, protractor 52 are slidably arranged on the rear wall of mounting rod 51, and glide direction is up and down direction, and the measurement range of protractor 52 is 90 °, aid measuring pole 53 is set to the rear end of directing plate 41, and is arranged in parallel with directing plate 41；

When directing plate 41 turns to horizontal position around pivot block 42, directing plate 41 and the zero graduation line of protractor 52 are mutual In parallel.

That is, can be measured to puncture angle by angle measure component 50, in order to which medical staff is intuitive Observation puncture angle, it is ensured that the accuracy rate of puncture.In use, directing plate 41 is turned to suitable position around pivot block 42 Afterwards, protractor 52 is moved upwards up to suitable position along mounting rod 51, to aid measuring pole 53 and the second restraining plate 32 Between angle measure, since aid measuring pole 53 is parallel with 41 upper surface of directing plate, the auxiliary measured is surveyed Angle between gauge rod 53 and the second restraining plate 32 is the angle between directing plate 41 and the second restraining plate 32, so that confirmation should Whether angle is accurate, if accurately, can be punctured, if inaccurate, is adjusted to accurate angle.

Advantageously, slidable on the opposite inner wall of two guide rods 31 in another example of the utility model It is connected with a reference scale 60, the glide direction of reference scale 60 is front-rear direction, and reference scale 60 is made of clear material, and is set thereon It is equipped with multiple reference bores；

The upper surface of two guide rods 31 is evenly spaced to be provided with a plurality of first graduation mark 311.

When being punctured using buttonhole formula puncture method, it is also necessary to guarantee that the position punctured every time is all the same, that is to say, medical care The position punctured after personnel time needs and the position of previous puncture is consistent, and existing way is after having found point of puncture, It fully relies on medical staff and descends pin puncture by rule of thumb, once misoperation, then can increase puncture orifice again, increase the pain of patient It is bitter.And utilize the utility model, then it can be to avoid the generation of the above problem.The specifically used process of the utility model are as follows: utilizing After the completion of guiding puncture component 40 punctures for the first time, reference scale 60 is moved to the position of puncture orifice along guide rod 31, is then found And reference bore corresponding with puncture orifice on reference scale 60 is recorded, while reading according to the first graduation mark 311 and recording puncture orifice The distance between to the distance between slide plate 21 and puncture orifice to directing plate 41, using the reference bore of the record and data as wearing Tattoo is quasi-, when subsequent each puncture, is punctured with the standard, then, in subsequent each puncture, it is only necessary to adjust hand Arm, then the point of puncture on arm is adjusted to position corresponding with the reference bore of record will slide according to the data of record Plate 21 and directing plate 41 are moved to corresponding position, can be punctured, and during puncture, syringe needle passes sequentially through directing plate 41 Upper guide pin slot 411, reference bore, finally enter puncture orifice, thus using guide pin slot 411 and the reference guiding role of reference bore, it is right Point of puncture carries out localised puncture, all the same without deviating with the point of puncture, the puncture angle that ensure to puncture every time, to avoid Newly-increased puncture orifice and the pain for increasing patient.

It should be noted that 60 thickness of reference scale should not be too big, in order to avoid influence to puncture.

Advantageously, in another example of the utility model, 41 upper surface of directing plate is arranged in the two sides of guide pin slot 411 There is the second graduation mark 412.

In this way, can measure the paracentesis depth of puncture needle, so that subsequent paracentesis depth by the second graduation mark 412 It is identical as previous paracentesis depth.

Advantageously, in some examples of the utility model, the upper surface of slide plate 21 offers a through-hole, opens on front side wall Locking hole equipped with connection through-hole；

First restraining plate 22 is arranged in through-hole, evenly spaced in the vertical direction on front side wall to offer multiple lockings Slot, the first restraining plate 22 are removably lock onto through-hole by check lock lever compatible with locking hole and locking slot.

In this way, at one end using the first restraining plate 22 to fix arm, it is only necessary to move down arm restraining plate To after suitable position, check lock lever is successively arranged in the locking slot of locking hole and corresponding position, and locked, is tied Structure is simple, easy to operate, be conducive to using.

Advantageously, in other examples of the utility model, the left side wall of left plate 12 and the right side wall of right side plate 13 On offer a fixing groove 121 extended along the longitudinal direction, offered on the cell wall of fixing groove 121 connection guide groove 131 and The jack 1211 extended along the longitudinal direction；

The second groove 2111 is offered on the end face of the one end of sliding part 211 far from slide plate 21, is equipped in jack 1211 One is locked bar, and the part that is locked is slidably matched with jack 1211, and is adapted with the second groove 2111, for being locked Slide plate 21.

In this way, need to only operate the bar that is locked at the position of adjusting slider 21 and be slided along jack 1211, sliding It is locked, slide plate 21 can be locked in the position after to suitable position, structure is simple, and it is easy to operate, be conducive to Medical staff uses.

Advantageously, in the other example of the utility model, hood for protecting rider 70 includes cover 71 and fixed part 72, cover 71 The arc-shaped structure in section, and be made of clear material, fixed part 72 is set to the both ends of cover 71；

The upper surface of left plate 12 and right side plate 13 offers the slot 132 extended along the longitudinal direction, and slot 132 extends To the wall of front and rear sides；

Two fixed parts 72 can insert respectively under be installed in two slots 132, cover 71 is installed on pedestal 10.

By the way that hood for protecting rider 70 is arranged, the support effect to bedding can be improved, avoid bedding from touching puncture position, and block Cover 70 is detachably connected with pedestal 10, consequently facilitating carrying out installation and removal as needed.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and Modification.

Claims (9)

1. a kind of haemodialysis, which punctures, uses Novel nursing device characterized by comprising

Pedestal, the pedestal include bottom plate and the opposite left plate and right side plate that are set on the bottom plate, on the bottom plate Surface offers first groove for extending along the longitudinal direction and be suitable for accommodating arm, and lower surface is provided with a locking member；

First fixing piece, first fixing piece include slide plate and the first restraining plate, the left and right ends of the slide plate respectively with institute It states left plate and right side plate is slidably connected, and glide direction is front-rear direction, first restraining plate is set on the slide plate, And can be moved up and down along the slide plate, the lower surface of first restraining plate offers the first restraint slot；

Second fixing piece, second fixing piece include guide rod and the second restraining plate, and the guide rod is set as two, two The opposite lower surface for being set to the slide plate of the guide rod or so, second restraining plate are slidably arranged on two institutes It states between guide rod, and glide direction is front-rear direction, the lower surface of second restraining plate offers the second restraint slot, described Inflatable bladders are provided on the cell wall of second restraint slot.

2. haemodialysis according to claim 1, which punctures, uses Novel nursing device, which is characterized in that further include guiding puncture Component, the guiding puncture component include directing plate and pivot block；

The pivot block is set as two, two described pivot blocks or so it is opposite be set to second restraining plate upper surface Both ends；

The rear end of the directing plate is rotatablely connected with two pivot blocks, is offered in the middle part of upper surface and is extended along the longitudinal direction The guide pin slot for biopsy needle guide.

3. haemodialysis according to claim 2, which punctures, uses Novel nursing device, which is characterized in that further include angle measurement Component, the angle measure component include mounting rod, protractor and aid measuring pole；

The mounting rod is installed on the upper surface of second restraining plate, and is located therein the rear of a pivot block, described Protractor is slidably arranged on the rear wall of the mounting rod, and glide direction is up and down direction, the survey of the protractor Measuring range is 90 °, and the aid measuring pole is set to the rear end of the directing plate, and is arranged in parallel with the directing plate；

When the directing plate turns to horizontal position around the pivot block, the zero graduation line of the directing plate and the protractor It is parallel to each other.

4. haemodialysis according to claim 3, which punctures, uses Novel nursing device, which is characterized in that two guide rods Opposite inner wall on be slidably connected with a reference scale, the glide direction of the reference scale is front-rear direction, the reference Ruler is made of clear material, and is provided with multiple reference bores；

The front interval of the upper surface of two guide rods is evenly provided with a plurality of first graduation mark.

5. haemodialysis according to claim 4, which punctures, uses Novel nursing device, which is characterized in that table on the directing plate Face is provided with the second graduation mark in the two sides of the guide pin slot.

6. haemodialysis according to claim 1, which punctures, uses Novel nursing device, which is characterized in that the upper table of the slide plate Face offers a through-hole, and the locking hole for being connected to the through-hole is offered on front side wall；

First restraining plate is arranged in the through-hole, evenly spaced in the vertical direction on front side wall to offer multiple lockings Slot, first restraining plate removably lock onto the through-hole by check lock lever compatible with the locking hole and locking slot It is interior.

7. haemodialysis according to claim 6, which punctures, uses Novel nursing device, which is characterized in that the left plate and the right side A guide groove extended along the longitudinal direction is offered in the opposing sidewalls of side plate；

The left and right ends of the slide plate each extend over out a sliding part, and two sliding parts are matched with two guide groove slidings It closes.

8. haemodialysis according to claim 7, which punctures, uses Novel nursing device, which is characterized in that a left side for the left plate A fixing groove extended along the longitudinal direction is offered on the right side wall of side wall and right side plate, is opened up on the cell wall of the fixing groove There is the jack for being connected to the guide groove and extending along the longitudinal direction；

The second groove is offered on the end face of the one end of the sliding part far from the slide plate, and a locking is equipped in the jack Fixed link, the part that is locked is slidably matched with the jack, and is adapted with second groove, for being locked State slide plate.

9. haemodialysis according to claim 1, which punctures, uses Novel nursing device, which is characterized in that it further include hood for protecting rider, The hood for protecting rider includes cover and fixed part, the arc-shaped structure in the section of the cover, and is made of clear material, the fixation Portion is set to the both ends of the cover；

The upper surface of the left plate and right side plate offers the slot extended along the longitudinal direction, and the slot extends to front and back On two sidewalls；

Two fixed parts can insert respectively under be installed in two slots, the cover is installed on the pedestal On.