CN212699538U

CN212699538U - Lung puncture body position fixing device

Info

Publication number: CN212699538U
Application number: CN202020513432.3U
Authority: CN
Inventors: 吴文晓
Original assignee: Ningbo Huamei Hospital University of CAS
Current assignee: Ningbo Huamei Hospital University of CAS
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-03-16
Anticipated expiration: 2030-04-09

Abstract

The utility model provides a lung puncture position fixing device belongs to medical instrument technical field. It has solved the current urgent need for a fixing device scheduling problem that can assist the fixed position of patient. The below of well core plate and backup pad is provided with the bottom plate, backup pad one side and center plate are articulated, the backup pad can rotate around articulated department, the backup pad is provided with the angle adjusting device who is used for adjusting the angle between backup pad and the center plate, angle adjusting device includes first telescopic link and the flexible crank of first telescopic link of drive, first telescopic link includes ball screw and cover establishes the connecting rod outside ball screw, the one end of connecting rod and the bottom sliding connection of backup pad, connect through screw-nut between the other end of connecting rod and the ball screw, screw-nut is provided with first antifriction bearing outward, first antifriction bearing's the outside and connecting rod fixed connection, the backup pad still is provided with the telescopic bracing piece that is used for supporting the backup pad. The utility model discloses have the effect of helping the fixed position of patient.

Description

Lung puncture body position fixing device

Technical Field

The utility model belongs to the technical field of medical instrument, in particular to lung's puncture position fixing device.

Background

The lung puncture art under percutaneous CT guide, because of patient's lung pathological change position is different, the position of putting during the puncture also is different, keeps the fixed of different angle clinostatism for a long time, to some old and weak patients, changes the position easily and leads to the removal of puncture position, influences the accuracy of operation.

Therefore, there is a need for a fixation device that can assist a patient in fixing the position.

Disclosure of Invention

The utility model aims at providing a lung's puncture position fixing device who assists the fixed position of patient to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a lung puncture body position fixing device, which comprises a central plate and support plates arranged at the two sides of the central plate, a bottom plate is arranged below the central plate and the supporting plate, one side of the supporting plate is hinged with the central plate, the supporting plate can rotate around the hinge joint, the supporting plate is provided with an angle adjusting device for adjusting the angle between the supporting plate and the central plate, the angle adjusting device comprises a first telescopic rod and a hand crank for driving the first telescopic rod to stretch, the first telescopic rod comprises a ball screw and a connecting rod sleeved outside the ball screw, one end of the connecting rod is connected with the bottom of the supporting plate in a sliding way, the other end of the connecting rod is connected with the ball screw through a screw nut, a first rolling bearing is arranged outside the screw nut, the outer side of the first rolling bearing is fixedly connected with the connecting rod, and the supporting plate is further provided with a telescopic supporting rod for supporting the supporting plate.

The utility model discloses a theory of operation: when doctors carry out lung puncture operations, the lying positions of different patients are different in angle when puncturing. The lung puncture body position fixing device is placed on a sickbed, the bottom plate faces downwards, and the central plate and the supporting plate face upwards. The patient lies in well core plate, puts out the required position of lying when puncturing, adjusts the angle between backup pad and the core plate through angle adjusting device for the backup pad plays the supporting role to the patient, because the supporting role of backup pad makes the patient can keep the fixed of position of lying for a long time. Because the supporting plate provides the supporting force for the patient, and the patient need not to rely on the muscle of self to maintain the position of lying completely for the patient is more laborsaving, thereby can keep the fixed of long-time position of lying. Plays a role in assisting the patient in fixing the body position.

The specific adjusting mode of the angle adjusting device is as follows: the angle adjusting device comprises a first telescopic rod and a hand crank, the hand crank is used for a user to rotate, the hand crank is rotated by the user, so that the ball screw is rotated, the screw nut rotates along with the ball screw, the ball screw moves along the length direction of the ball screw, the ball screw and the connecting rod are connected through a first rolling bearing, the outer side of the first rolling bearing is fixedly connected with the connecting rod, the connecting rod can move along with the ball screw, the connecting rod cannot rotate along with the ball screw, and therefore the telescopic adjustment of the first telescopic rod is achieved. Because the tip of connecting rod and the bottom sliding connection of backup pad, one side and the center of backup pad are handled articulatedly, consequently, at the flexible in-process of first telescopic link, the backup pad can rotate around articulated department to play the effect of the angle between regulation backup pad and the center plate, after the angle modulation finishes, with the telescopic bracing piece support backup pad can.

In foretell lung puncture position fixing device, backup pad bottom be provided with the groove of accomodating that is used for accomodating the bracing piece, the bracing piece include the outer pole of interior pole of screw thread and screw thread through screw thread swivelling joint, the outer pole cover of screw thread establish outside the interior pole of screw thread, the outer pole of screw thread be provided with and be used for supplying the interior pole male first chamber of inserting of screw thread, the outer pole of screw thread can remove along the length direction of screw thread interior pole, the first end of bracing piece articulates at accomodating the inslot, accomodating the inslot and be provided with the butt piece that is used for supplying bracing piece second end butt, but the second end butt of bracing piece on the bottom plate. The support rod is accommodated in the accommodating groove when the support plate and the central plate are in a horizontal state or in the rotating process of the support plate; after the backup pad angle modulation finishes, can follow and accomodate the inslot and take out the bracing piece, through the length of adjusting the bracing piece for the second end butt of bracing piece plays the effect of backup pad on the bottom plate.

In foretell lung puncture position fixing device, bottom plate both sides be provided with the connecting plate, first telescopic link wear to establish to the bottom of connecting in the backup pad from connecting plate, bottom plate, the connecting plate be located the below of bottom plate, the bottom plate be provided with and be used for supplying the trompil that the connecting rod wore to establish, ball screw and connecting plate between connect through second antifriction bearing, crank and ball screw connect, the crank be located the outside of connecting plate, first telescopic link and connecting plate perpendicular, first telescopic link and bottom plate are 45, connecting plate and bottom plate be 45. Medical personnel wave the crank, and ball screw is rotatory, and first telescopic link is flexible. The connecting plate plays a supporting role for the first telescopic rod.

In the lung puncture position fixing device, the bottom of the supporting plate is provided with a sliding rail, a sliding block is arranged in the sliding rail, and the bottom of the sliding block is hinged to the top end of the connecting rod. Slider and slide rail sliding fit, the top of slider bottom and connecting rod is articulated for the angle between slider and the connecting rod can be adjusted, and the angle of connecting rod and backup pad can be adjusted promptly. And the top end of the connecting rod can slide at the bottom of the supporting plate.

In foretell a lung puncture position fixing device, the connecting plate be provided with and be used for with the fixed dead lever of sick bed, the connecting plate be provided with the mounting groove, the one end of dead lever be provided with the jack catch, the other end of dead lever is located the mounting groove, and passes through first spring coupling with the bottom of mounting groove. Medical personnel can follow the dead lever of pulling out in the mounting groove, then fix the jack catch on the sick bed, thereby make the utility model discloses it is fixed with the sick bed.

In the lung puncture position fixing device, the support plate comprises an outer plate and an inner plate, the outer plate is provided with a second insertion cavity for the inner plate to be inserted into, the inner plate can move along the length direction of the second insertion cavity, and the support plate is provided with a locking device for fixing the outer plate and the inner plate. This setting has realized the altitude mixture control of backup pad.

In foretell a lung puncture body position fixing device, locking device include a plurality of fixed orificess and be arranged in inserting the bolt in the fixed orificess, the bolt be located the side of inner panel, the fixed orificess be located the side of planking, the inner panel be provided with the holding tank, bolt one end be used for inserting the fixed orificess, the other end of bolt is located the holding tank, and the bottom through second spring and holding tank is connected. The fixing between the inner plate and the outer plate is realized by the arrangement.

In the above fixing device for the position of the lung puncture, the support rod is connected to the top end of the outer plate, and the accommodating groove is located at the bottom of the outer plate. The setting of bracing piece and the removal of inner panel are mutually noninterfere.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses an angle between angle adjusting device regulation backup pad and the bottom plate for the backup pad plays the supporting role to the patient, because the supporting role of backup pad, makes the patient can keep the fixed of clinostatism for a long time, thereby has played the effect of helping the fixed position of patient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is an enlarged schematic view of the utility model at a;

fig. 3 is a schematic sectional structure view of the first telescopic rod of the present invention;

fig. 4 is a schematic sectional view of the support plate of the present invention;

fig. 5 is a schematic sectional view of the support rod of the present invention;

fig. 6 is a schematic sectional view of the fixing rod of the present invention.

In the figure, 1, a center plate; 2. a support plate; 201. a slide rail; 202. a slider; 204. an inner plate; 205. an outer plate; 215. a second insertion cavity; 3. a base plate; 301. opening a hole; 4. an angle adjusting device; 401. a first telescopic rod; 411. a ball screw; 421. a connecting rod; 431. a feed screw nut; 432. a first rolling bearing; 402. a hand crank; 5. a support bar; 501. a threaded inner rod; 502. a threaded outer rod; 503. a first insertion cavity; 6. a receiving groove; 601. a butting block; 7. a connecting plate; 701. a second rolling bearing; 702. fixing the rod; 712. a claw; 703. mounting grooves; 704. a first spring; 8. a locking device; 801. a fixing hole; 802. a bolt; 803. accommodating grooves; 804. a second spring; 9. a third insertion cavity; 10. a limiting groove; 11. an arc-shaped clamping piece; 12. and a through hole.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, a posture fixing device for lung puncture comprises a central plate 1 and support plates 2, wherein the number of the support plates 2 is 2, the support plates are respectively arranged at two sides of the central plate 1, and the support plates 2 support a patient. A bottom plate 3 is arranged below the central plate 1 and the supporting plate 2.

Backup pad 2 one side and center plate 1 are articulated, and backup pad 2 can rotate around articulated department, and backup pad 2 is provided with angle adjusting device 4, and angle adjusting device 4 is used for adjusting the angle between backup pad 2 and the center plate 1, and backup pad 2 still is provided with the telescopic bracing piece 5 that is used for supporting backup pad 2. After the angle modulation finishes, support plate 2 is supported with bracing piece 5, prevents that support plate 2 from being in the in-process of supporting the patient, under the effect of patient's gravity, leading to the angle change between support plate 2 and the central panel 1. The support bar 5 thus functions to support the support plate 2, and the angle adjusting means 4 functions to adjust the angle between the support plate 2 and the center plate 1.

When doctors carry out lung puncture operations, the lying positions of different patients are different in angle when puncturing. The lung puncture body position fixing device is placed on a sickbed, the bottom plate 3 faces downwards, and the central plate 1 and the supporting plate 2 face upwards. The patient lies in well core plate 1, puts out the required clinostatism when puncturing, adjusts the angle between backup pad 2 and the core plate 1 through angle adjusting device 4, reuse bracing piece 5 fixed stay backup pad 2 for backup pad 2 plays the supporting role to the patient, because the supporting role of backup pad 2, makes the patient can keep the fixed of clinostatism for a long time. Because the supporting plate 2 provides supporting force for the patient, the patient does not need to completely rely on the muscle of the patient to maintain the lying position, so that the patient is more labor-saving, and the fixation of the lying position for a long time can be kept. Plays a role in assisting the patient in fixing the body position.

In this embodiment, the angle adjusting device 4 adjusts the angle between the supporting plate 2 and the central plate 1 as follows: angle adjusting device 4 includes first telescopic link 401 and crank 402, and medical personnel rotate crank 402 to make first telescopic link 401 flexible, first telescopic link 401 includes ball 411 and connecting rod 421, and the ball 411 overcoat is equipped with screw-nut 431, and ball 411 and crank 402 are connected, and medical personnel rotate crank 402, and ball 411 is rotatory. A lead screw nut 431 is externally fitted to the ball screw 411, the lead screw nut 431 moves in the longitudinal direction of the ball screw 411 while rotating in accordance with the rotation of the ball screw 411, and a first rolling bearing 432 is externally fitted to the lead screw nut 431. An inner ring of the first rolling bearing 432 is fixedly connected with the lead screw nut 431, an outer ring of the first rolling bearing 432 is fixedly connected with the connecting rod 421, and a plurality of balls are arranged between the inner ring of the first rolling bearing 432 and the outer ring of the first rolling bearing 432. The connecting rod 421 is internally provided with a third insertion cavity 9 into which the ball screw 411 is inserted. When the ball screw 411 rotates and moves, due to the existence of the first rolling bearing 432 and the third insertion cavity 9, the connecting rod 421 can move along with the screw nut 431 but cannot rotate along with the screw nut 431, and in the moving process of the connecting rod 421, the ball screw 411 is inserted into or moved out of the third insertion cavity 9, so that the expansion and contraction of the first telescopic rod 401 are realized.

The bottom of the supporting plate 2 is provided with a sliding rail 201, a sliding block 202 is arranged in the sliding rail 201, the sliding block 202 is used for moving in the sliding rail 201, the bottom of the sliding block 202 is hinged to the top end of the connecting rod 421, and the first telescopic rod 401 and the bottom plate 3 are 45 degrees. In the rotating process of the supporting plate 2, the bottom plate 3 and the first telescopic rod 401 are triangular. Contained angle between first telescopic link 401 and the bottom plate 3 is unchangeable, is 45, the flexible in-process of first telescopic link 401, in order to make backup pad 2 rotate, then 5 one sides of bracing piece and central slab 1 are articulated, the bottom of backup pad 2 need be through slide rail 201, slider 202 and first telescopic link 401 sliding connection, and slider 202 bottom and connecting rod 421 top are articulated, just can realize backup pad 2 through the extension and retraction of first telescopic link 401 and rotate.

In order to fix the first telescopic rod 401, the included angle between the first telescopic rod 401 and the bottom plate 3 is 45 degrees, and therefore the connecting plates 7 are arranged on the two sides of the bottom plate 3, the ball screw 411 is connected with the connecting rod 421 through the second rolling bearing 701, and the purpose of arranging the second rolling bearing 701 is to enable the connecting plates 7 to enable the included angle between the first telescopic rod 401 and the bottom plate 3 to be 45 degrees, and the rotation of the ball screw 411 cannot be influenced. The connecting plate 7 is located below the bottom plate 3, and is 45 degrees with the bottom plate 3, and the first ball screw 411 is perpendicular to the connecting plate 7. Hand crank 402 is located the outside of connecting plate 7, makes things convenient for medical personnel to wave hand crank 402, because if be located the inboard of connecting plate 7, then medical personnel are inconvenient for wave hand crank 402, need the hand to reach the inboard of connecting plate 7 and wave hand crank 402. The bottom plate 3 is provided with an opening 301 for the connection rod 421 to pass through, and the connection rod 421 extends out of the opening 301 to be connected with the support plate 2.

The support rod 5 comprises a threaded inner rod 501 and a threaded outer rod 502, the threaded inner rod 501 and the threaded outer rod 502 are connected in a threaded rotating mode, the threaded outer rod 502 is sleeved outside the threaded inner rod 501, the threaded outer rod 502 is provided with a first insertion cavity 503, and the first insertion cavity 503 is used for inserting the threaded inner rod 501. In this embodiment, the threaded outer rod 502 may be rotated to extend or shorten the support rod 5. Since the support plate 2 is rotated, the vertical distance between the support plate 2 and the bottom plate 3 is changed. Therefore, the length of the support rod 5 needs to be adjustable, and the purpose of adjusting the length of the support rod 5 is achieved by rotating the threaded outer rod 502. The threaded rotary connection can also achieve the purpose of adjusting the length of the support rod 5, and the threaded outer rod 502 can not be inserted into the first insertion cavity 503 under the condition of not receiving a rotating force. I.e. the support bar 5 can play a role of supporting the support plate 2 and the length can be adjusted again. When the support is not needed, the support rod 5 is accommodated in the accommodating groove 6, and the second end of the support rod 5 abuts against the abutting block 601 in the accommodating groove 6; when needs bracing piece 5 to support, medical personnel take out bracing piece 5 from accomodating groove 6, and bracing piece 5 rotates around first end, and the first end of bracing piece 5 articulates in accomodating groove 6, then through rotatory screw thread outer pole 502 for the second end butt of bracing piece 5 is on bottom plate 3, and bracing piece 5 is perpendicular with bottom plate 3, plays the effect of backup pad 2. In this embodiment, the bottom of the threaded outer rod 502 is rough, the friction between the threaded outer rod and the bottom plate 3 is large, and the threaded outer rod can play a good supporting role in a vertical state; when the included angle between the supporting plate 2 and the central plate 1 is larger than 90 degrees, namely the included angle between the supporting plate 2 and the bottom plate 3 is smaller than 90 degrees, the supporting rod 5 is vertical to the bottom plate 3, and the supporting rod 5 plays a role in supporting the supporting plate 2; when the supporting plate 2 and the central plate 1 are at 90 degrees, the bottom plate 3 is correspondingly provided with a limiting groove 10, the second end of the supporting rod 5 is inserted into the limiting groove 10, the supporting rod 5 and the bottom plate 3 are not perpendicular, and the supporting rod 5 can obliquely support the supporting plate 2.

The utility model discloses need be fixed with the sick bed, and the purpose is in order to prevent that in the use, lung's puncture position fixing device removes for the sick bed is random. Thus, a fixing lever 702 is provided, the connecting plate 7 is provided with a mounting groove 703, one end of the fixing lever 702 is provided with a claw 712, and the other end of the fixing lever 702 is located in the mounting groove 703 and connected to the mounting groove 703 through a first spring 704. When in use, the medical staff pulls out the fixing rod 702 from the mounting groove 703, and then the claw 712 blocks the railings at both sides of the hospital bed (both sides of the hospital bed are usually railings), thereby fixing the utility model together with the hospital bed. When the binding is unbound, the jaws 712 are opened, and the fixing rod 702 is automatically retracted into the mounting groove 703 by the elastic force of the first spring 704. The lung puncture body position fixing device and the sickbed can be conveniently detached or fixed by medical staff.

In this embodiment, the clamping jaw 712 includes two arc-shaped clamping pieces 11 arranged oppositely, one end of each arc-shaped clamping piece 11 is hinged to each other, the other end of each arc-shaped clamping piece is provided with a through hole 12 for the bolt to pass through, the bolt passes through the through holes 12 of the two arc-shaped clamping pieces 11, so that the other end of each arc-shaped clamping piece 11 is connected in an arc shape, and the clamping jaw is fixed by the nut, and the arc-shaped clamping pieces 11 are folded inwards to clamp the.

Because the specific puncture position of different patients can be different when the patient frequently performs lung puncture surgery, the specific puncture height of different patients can be different even if the different patients are lying at the same angle, and the support plate 2 is also arranged to be telescopic in order to prevent the support plate 2 from blocking the part to be punctured of the patient. The support plate 2 comprises an outer plate 205 and an inner plate 204, the outer plate 205 is provided with a second insertion cavity 215, the second insertion cavity 215 is used for the inner plate 204 to be inserted, the inner plate 204 can move along the length direction of the second insertion cavity 215, the inner plate 204 and the outer plate 205 are fixed through a locking device 8, the locking device 8 comprises a plurality of fixing holes 801 and a plug pin 802, the plug pin 802 is located on the side edge of the inner plate 204, the fixing holes 801 are located on the side edge of the outer plate 205, the inner plate 204 is provided with an accommodating groove 803, one end of the plug pin 802 is used for being inserted into the fixing holes 801, the other end of the plug pin 802 is located in the accommodating groove 803. One end of the plug pin 802 is inserted into the fixing hole 801, so that the inner plate 204 and the outer plate 205 are fixed; the medical staff presses the latch 802, the second spring 804 is compressed, the latch 802 is moved out of the fixing hole 801, the inner rod can freely move along the length direction of the second insertion cavity 215, and the height of the support plate 2 is adjusted. The pins 802 are then inserted into the corresponding holes 801 and fixed.

The support rod 5 is connected to the top end of the outer plate 205, and the receiving groove 6 is located at the bottom of the outer plate 205. The arrangement of the support rod 5 and the movement of the inner plate 204 do not interfere with each other.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a position fixing device for lung puncture, which is characterized in that, including well core plate (1) and backup pad (2) that set up in well core plate (1) both sides, the below of well core plate (1) and backup pad (2) be provided with bottom plate (3), backup pad (2) one side and well core plate (1) articulated, backup pad (2) can rotate around articulated department, backup pad (2) be provided with angle adjusting device (4) that are used for adjusting the angle between backup pad (2) and well core plate (1), angle adjusting device (4) including first telescopic link (401) and drive the flexible crank (402) of first telescopic link (401), first telescopic link (401) include ball screw (411) and cover and establish connecting rod (421) outside ball screw (411), the bottom sliding connection of one end and backup pad (2) of connecting rod (421), the other end of the connecting rod (421) is connected with the ball screw (411) through a screw nut (431), a first rolling bearing (432) is arranged outside the screw nut (431), the outer side of the first rolling bearing (432) is fixedly connected with the connecting rod (421), and the supporting plate (2) is further provided with a telescopic supporting rod (5) used for supporting the supporting plate (2).

2. The pulmonary puncture body positioning device of claim 1, the bottom of the supporting plate (2) is provided with a containing groove (6) for containing the supporting rod (5), the supporting rod (5) comprises a threaded inner rod (501) and a threaded outer rod (502) which are connected in a rotating way through threads, the threaded outer rod (502) is sleeved outside the threaded inner rod (501), the threaded outer rod (502) is provided with a first insertion cavity (503) for inserting the threaded inner rod (501), the threaded outer rod (502) can move along the length direction of the threaded inner rod (501), the first end of the supporting rod (5) is hinged in the accommodating groove (6), an abutting block (601) for abutting against the second end of the supporting rod (5) is arranged in the accommodating groove (6), the second end of the supporting rod (5) can be abutted against the bottom plate (3).

3. The pulmonary puncture body positioning device of claim 1, the two sides of the bottom plate (3) are provided with connecting plates (7), the first telescopic rod (401) penetrates through the connecting plates (7) and the bottom plate (3) to be connected with the bottom of the supporting plate (2), the connecting plate (7) is positioned below the bottom plate (3), the bottom plate (3) is provided with an opening (301) for the connecting rod (421) to penetrate through, the ball screw (411) is connected with the connecting plate (7) through a second rolling bearing (701), the hand crank (402) is connected with the ball screw (411), the hand crank (402) is positioned at the outer side of the connecting plate (7), first telescopic link (401) and connecting plate (7) perpendicular, first telescopic link (401) and bottom plate (3) are 45, connecting plate (7) and bottom plate (3) be 45.

4. The lung puncture body position fixing device according to claim 1, wherein a slide rail (201) is arranged at the bottom of the supporting plate (2), a slide block (202) is arranged in the slide rail (201), and the bottom of the slide block (202) is hinged with the top end of the connecting rod (421).

5. The lung puncture body position fixing device according to claim 3, wherein the connecting plate (7) is provided with a fixing rod (702) for fixing with a hospital bed, the connecting plate (7) is provided with a mounting groove (703), one end of the fixing rod (702) is provided with a claw (712), the other end of the fixing rod (702) is positioned in the mounting groove (703), and is connected with the bottom of the mounting groove (703) through a first spring (704).

6. A lung puncture body position fixing device according to claim 2, wherein the support plate (2) includes an outer plate (205) and an inner plate (204), the outer plate (205) is provided with a second insertion cavity (215) for inserting the inner plate (204), the inner plate (204) is movable along the length direction of the second insertion cavity (215), and the support plate (2) is provided with a locking device (8) for fixing the outer plate (205) and the inner plate (204).

7. A lung puncture body position fixing device according to claim 6, wherein the locking device (8) comprises a plurality of fixing holes (801) and a plug pin (802) for inserting into the fixing holes (801), the plug pin (802) is located at the side of the inner plate (204), the fixing holes (801) are located at the side of the outer plate (205), the inner plate (204) is provided with a receiving groove (803), one end of the plug pin (802) is used for inserting into the fixing holes (801), the other end of the plug pin (802) is located in the receiving groove (803), and is connected with the bottom of the receiving groove (803) through a second spring (804).

8. The device for fixing the posture of pulmonary puncture according to claim 7, wherein the support rod (5) is connected to the top end of the outer plate (205), and the receiving groove (6) is formed at the bottom of the outer plate (205).