CN218248161U - Head gamma tool rest installation marking device - Google Patents

Abstract

The utility model discloses a head gamma knife rest installation marking device, which comprises a base and four vertical rods uniformly arranged at the top of the base, wherein the cross section of each vertical rod is rectangular, a sliding sleeve is arranged on the outer peripheral surface of each vertical rod and is provided with a sliding block, and the sliding block and the corresponding vertical rods are in interference fit; still include the roof-rack, the roof-rack sets up the base top, just the roof-rack top corresponds the slip hole has been seted up to the position of montant, the montant slides and passes to correspond the slip hole, the montant is close to one side at roof-rack center has seted up the draw-in groove, the roof-rack is inside to be seted up and to place the chamber, it corresponds four to place the intracavity the position of montant all is provided with fixed subassembly, slider one side is provided with the marking component. This head gamma tool bit frame installation marking device makes operating personnel can adjust the distance between roof-rack and the base to it is fixed with the roof-rack, thereby improved marking device's fixed effect, improved mark precision and treatment.

Description

Head gamma tool rest installation marking device

Technical Field

The utility model relates to a medical science field specifically is a head gamma knife headstock installation mark device.

Background

In the treatment process of the head gamma knife, the installation of the stereotactic head frame on a patient is one of important links; when the head frame is installed, 4 positions of the fixing head nail are simulated and designed according to the size and the shape of the skull of a patient, the position of a focus, whether a craniotomy is performed or not, whether skull defect or bone flap is not cured after operation or the like.

The marking device for mounting the head gamma tool bit rack comprises a base, wherein a limiting column is fixedly welded on the upper surface of the base, an adjusting frame is placed on the inner wall of the limiting column, the lower end of the adjusting frame is embedded into the upper surface of the base, a connecting frame is fixedly welded on the upper end of the adjusting frame, a limiting barrel is fixedly bonded on the side surface of the connecting frame, a push rod penetrates through the connecting frame and the limiting barrel, and a pressure spring is placed in the limiting barrel; the push rod is additionally arranged at the upper end of the marking device, medical staff marks the forehead of a patient through the push rod, the scale marks on the outer wall of the push rod facilitate the medical staff to visually and accurately measure the length of the needed head nail, and the pressure spring at one end of the push rod enables the push rod to rebound and reset when the device is not used, so that the medical staff can use the device more conveniently.

However, the marking device introduced in the patent has poor fixing effect, and the base is easy to shake when the push rod is pushed, so that the marking range is large, the marking precision is low, and the treatment effect is reduced.

We therefore propose a head gamma head holder mounting marker device to address the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a head gamma tool bit frame installation marking device to the fixed effect of the marking device who solves above-mentioned background art and propose is not good, leads to the base to rock easily when promoting the push rod, thereby makes the scope of mark great, leads to the mark precision lower, thereby leads to the lower problem of treatment.

In order to achieve the above purpose, the utility model provides a following technical scheme: a head gamma knife head frame mounting and marking device comprises a base and four vertical rods uniformly arranged at the top of the base, wherein the cross sections of the vertical rods are arranged in a rectangular shape, sliding blocks are sleeved on the outer peripheral surfaces of the vertical rods in a sliding mode, and the sliding blocks are in interference fit with the corresponding vertical rods;

further comprising:

the roof-rack, the roof-rack sets up the base top, just the roof-rack top corresponds the slip hole has been seted up to the position of montant, the montant slides and passes to correspond the slip hole, the montant is close to one side at roof-rack center has seted up the draw-in groove, the inside chamber of placing of having seted up of roof-rack, it corresponds four to place the intracavity the position of montant all is provided with fixed subassembly, slider one side is provided with the mark subassembly.

Through adopting above-mentioned technical scheme, through roof-rack, montant, draw-in groove, place the chamber and fixed subassembly's cooperation for operating personnel can adjust the distance between roof-rack and the base, and fix the roof-rack, thereby improved marking device's fixed effect, improved mark precision and treatment.

Preferably, fixed subassembly includes the dead lever, the dead lever top articulate in place the intracavity roof, the dead lever is close to and corresponds one side of draw-in groove is provided with the fixture block, it corresponds to place the intracavity wall the first through-hole has been seted up to the position of draw-in groove, first through-hole with correspond the sliding hole communicates with each other, the fixture block part passes and corresponds first through-hole and insert and correspond in the draw-in groove, the thread groove has been seted up at the roof-rack top, thread groove female connection has the screw rod, the screw rod top extends to the roof-rack top, the screw rod bottom is provided with the driven lever, the driven lever with be provided with coupling assembling between the dead lever.

Through adopting above-mentioned technical scheme, through dead lever, fixture block, thread groove, screw rod, driven lever and coupling assembling's cooperation for rotate the screw rod and can adjust the distance between roof-rack and the base, made things convenient for operating personnel's use.

Preferably, coupling assembling includes the annular, the annular is seted up the driven lever outer peripheral face, the thread groove inner wall corresponds the annular mouth has been seted up to the position in annular groove, the annular mouth with it communicates with each other to place the chamber, the annular internal rotation is connected with the sliding block, sliding block one side articulates there is the connecting rod, the connecting rod is kept away from and is corresponded the one end of sliding block with correspond the dead lever is articulated mutually, correspond four in the annular the position of sliding block all is provided with spacing subassembly.

Through adopting above-mentioned technical scheme, through the cooperation of annular, sliding block, connecting rod and spacing subassembly for rotate the screw rod and can adjust the distance between roof-rack and the base, made things convenient for operating personnel's use.

Preferably, spacing subassembly includes two stoppers, two the stopper sets up respectively and is corresponding sliding block top and bottom, annular inner wall and inner bottom wall correspond the spacing groove has all been seted up to the position of stopper, the stopper inserts and corresponds the spacing inslot.

Through adopting above-mentioned technical scheme, through the cooperation of stopper and spacing groove for the sliding block can not break away from the annular, thereby has guaranteed to rotate the screw rod and can drive the sliding block and go up and down, thereby has driven the dead lever and rotate.

Preferably, the marking assembly comprises a sliding rod, the sliding rod slides to penetrate and correspond to the sliding block, a pull plate is arranged at one end, far away from the base, of the sliding rod, a first spring is arranged between the pull plate and the sliding block, the sliding rod penetrates and corresponds to the first spring, a placing groove and an adjusting groove are sequentially formed in one end, far away from the pull plate, of the sliding rod from inside to outside, a marking portion is arranged in the placing groove, a sleeve is connected in the adjusting groove in a sliding mode, the sleeve is far away from and corresponds to one side of the sliding rod, corresponding to the marking portion, a second through hole is formed in the position of the marking portion, the placing groove and the corresponding sleeve are internally and jointly provided with a second spring, and the marking portion penetrates and corresponds to the second spring.

Through adopting above-mentioned technical scheme, through slide bar, first spring, second spring, mark portion and telescopic cooperation for pressing arm-tie to sleeve and head contact back, mark portion spills from the second through-hole, mark the head, no longer need be stained with red liquid medicine again when using at every turn, operating personnel's intensity of labour has been reduced, and the sleeve shelters from mark portion under natural condition, reduces the contact of dust and mark portion, thereby has improved the life of mark portion.

Preferably, the bottom of the top frame is provided with an arc-shaped groove, and a soft cushion is arranged in the arc-shaped groove.

Through adopting above-mentioned technical scheme, through the setting of arc wall and soft pad, patient's comfort when having improved this device of installation.

Compared with the prior art, the beneficial effects of the utility model are that: the fixing effect of the marking device is improved, so that the marking precision and the treatment effect are improved, and the specific content is as follows;

1. the device is provided with an upper frame, a clamping block, a clamping groove, a threaded groove, a screw rod and a driven rod, the device is sleeved on the head of a patient through the matching of the upper frame, a vertical rod, the clamping groove, a placing cavity, a fixed rod, the clamping block, the threaded groove, the screw rod, the driven rod, a ring groove, a sliding block and the connecting rod, the upper frame is pressed until the upper frame and a base are respectively contacted with the top of the head and the chin, and then the upper frame can be fixed by rotating the screw rod, so that the device cannot shake when the head is marked, and the marking precision and the treatment effect are improved;

2. be provided with the slide bar, first spring, the second spring, mark portion and sleeve, through the slide bar, first spring, the second spring, mark portion and telescopic cooperation, make pressing arm-tie to sleeve and head contact back, mark portion spills from the second through-hole, mark the head, no longer need be stained with red liquid medicine again during at every turn use, operating personnel's intensity of labour has been reduced, and the sleeve can shelter from mark portion under natural state, reduce the contact of dust and mark portion, thereby the life of mark portion has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the present invention at B in FIG. 1;

FIG. 4 is an enlarged view of the present invention at C of FIG. 1;

fig. 5 is a three-dimensional view of the present invention.

In the figure: 1. a base; 2. a vertical rod; 3. a slider; 4. a top frame; 5. a slide hole; 6. a card slot; 7. a placement chamber; 8. a fixing component; 81. a fixing rod; 82. a clamping block; 83. a first through hole; 84. a thread groove; 85. a screw; 86. a driven lever; 87. a connection assembly; 871. a ring groove; 872. an annular mouth; 873. a slider; 874. a connecting rod; 88. a limiting component; 881. a limiting block; 882. a limiting groove; 9. a marking component; 91. a slide bar; 92. pulling a plate; 93. a first spring; 94. a placement groove; 95. an adjustment groove; 96. a marking section; 97. a sleeve; 98. a second through hole; 99. a second spring; 10. an arc-shaped slot; 11. a soft pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 5, the present invention provides a technical solution: a gamma head holder mounting and marking device for a head comprises a base 1 and four vertical rods 2 uniformly arranged on the top of the base 1, wherein the base 1 is provided with a central opening. The cross section of the vertical rod 2 is rectangular. The peripheral surface of the vertical rod 2 is slidably sleeved with a sliding block 3, and the sliding block 3 is in interference fit with the corresponding vertical rod 2. The slider 3 can slide on the peripheral surface of the vertical rod 2, and the slider 3 can not rotate.

Referring to fig. 4, a marking assembly 9 is disposed at one side of the slider 3. The marking assembly 9 comprises a sliding rod 91, the sliding rod 91 sliding through the corresponding slider 3. One end of the sliding rod 91, which is far away from the base 1, is provided with a pulling plate 92, a first spring 93 is arranged between the pulling plate 92 and the corresponding slider 3, and the sliding rod 91 penetrates through the corresponding first spring 93.

Referring to fig. 4, a placing groove 94 and an adjusting groove 95 are sequentially formed in one end of the sliding rod 91, which is far away from the pulling plate 92, from inside to outside, and the placing groove 94 is not communicated with the adjusting groove 95. The placement groove 94 is provided with a marking portion 96 for marking the head skin. Sliding connection has sleeve 97 in adjustment tank 95, and one side that sleeve 97 is close to base 1 center sets up for elastic material, causes the injury to the patient when preventing sleeve 97 and head contact. A second through hole 98 is formed in the sleeve 97 at a position corresponding to the marking portion 96 on a side thereof remote from the corresponding slide lever 91. The placement groove 94 and the corresponding sleeve 97 are provided with a second spring 99 therein, and the marking portion 96 passes through the corresponding second spring 99.

The pulling plate 92 is pressed to drive the sliding rod 91 to slide until the sleeve 97 contacts with the head, the pulling plate 92 is continuously pressed to drive the second spring 99 to compress, the marking part 96 gradually passes through the second through hole 98 to contact with the head, marks are left on the head, then the pulling plate 92 is sent, and the marking part 96 and the sliding rod 91 are restored under the restoring force action of the first spring 93.

Referring to fig. 1 and 2, the method further includes: the top frame 4, the top frame 4 sets up above base 1. Arc wall 10 has been seted up to roof-rack 4 bottom, is provided with soft pad 11 in the arc wall 10, has improved patient's comfort when installing this device. The top of the top frame 4 is provided with a sliding hole 5 corresponding to the position of the vertical rod 2, and the vertical rod 2 slides through the corresponding sliding hole 5. One side that montant 2 is close to the top frame 4 center has seted up draw-in groove 6, and top frame 4 is inside to be seted up and to be placed chamber 7, places the position that corresponds four montants 2 in the chamber 7 and all is provided with fixed subassembly 8.

Referring to fig. 1 and 2, the fixing assembly 8 includes a fixing rod 81, and a top end of the fixing rod 81 is hinged to an inner top wall of the placing cavity 7. A clamping block 82 is arranged on one side of the fixed rod 81 close to the corresponding clamping groove 6. The inner wall of the placing cavity 7 is provided with a first through hole 83 at a position corresponding to the clamping groove 6, the first through hole 83 is communicated with the corresponding sliding hole 5, and the clamping block 82 partially penetrates through the corresponding first through hole 83 and is inserted into the corresponding clamping groove 6. The latch 82 does not contact the inner wall of the corresponding first through hole 83 during movement. The fixing rod 81 is rotated to insert and separate the latch 82 into and from the latch slot 6.

Referring to fig. 3, a thread groove 84 is formed in the top of the top frame 4, a screw 85 is connected to the thread groove 84 in a threaded manner, and the top of the screw 85 extends to the upper side of the top frame 4. The bottom end of the screw rod 85 is provided with a driven rod 86, and a connecting assembly 87 is arranged between the driven rod 86 and the fixing rod 81.

Referring to fig. 3, the connecting member 87 includes a groove 871, and the groove 871 is opened in the outer circumferential surface of the driven rod 86. The inner wall of the thread groove 84 is provided with an annular opening 872 at the position corresponding to the ring groove 871, and the annular opening 872 is communicated with the placing cavity 7. The sliding block 873 is rotatably connected in the ring groove 871, one side of the sliding block 873 is hinged with a connecting rod 874, and one end of the connecting rod 874 far away from the corresponding sliding block 873 is hinged with the corresponding fixing rod 81. The connecting rod 874 will not contact the inner wall of the corresponding annular opening 872 when rotating. The connecting rod 874 is attached to the inner wall of the placing cavity 7, so that the connecting rod 874 cannot rotate around the central line of the screw 85 as a rotating shaft. Limiting assemblies 88 are arranged in the positions, corresponding to the four sliding blocks 873, in the ring groove 871.

Referring to fig. 3, the position limiting assembly 88 includes two position limiting blocks 881, and the two position limiting blocks 881 are respectively disposed at the top and the bottom of the corresponding sliding block 873. Spacing groove 882 has all been seted up to the position that roof and interior diapire correspond stopper 881 in the annular 871, and spacing groove 882 is the annular setting. The stopper 881 is inserted into the corresponding stopper groove 882. The limiting block 881 slides in the limiting groove 882, so that the sliding block 873 cannot horizontally move to be separated from the ring groove 871.

Referring to fig. 2 and 3, the screw 85 is rotated to drive the screw 85 to move up and down, so as to drive the driven rod 86 to rotate and move up and down, the driven rod 86 drives the sliding block 873 to move up and down, the sliding block 873 drives the connecting rod 874 to move, so as to drive the fixing rod 81 to rotate, so that the latch 82 is inserted into the slot 6 to fix the top frame 4.

The working principle is as follows:

when the device is installed, the opening of the base 1 is aligned with the head to be inserted until the top frame 4 is contacted with the top of the head, then the base 1 and the top frame 4 are pressed to enable the base 1 and the top frame 4 to be contacted with the top of the head and the chin respectively, then the screw rod 85 is rotated to drive the screw rod 85 to ascend and descend, so that the driven rod 86 is driven to rotate and ascend, the driven rod 86 drives the sliding block 873 to ascend and descend, the sliding block 873 drives the connecting rod 874 to move, so that the fixing rod 81 is driven to rotate, the clamping block 82 is inserted into the clamping groove 6, and the top frame 4 is fixed. Then, the pulling plate 92 is pressed to drive the sliding rod 91 to slide until the sleeve 97 contacts with the head, the pulling plate 92 is continuously pressed to drive the second spring 99 to compress, the marking part 96 gradually passes through the second through hole 98 to contact with the head, a mark is left on the head, then the pulling plate 92 is sent, and the marking part 96 and the sliding rod 91 are restored under the restoring force of the first spring 93. And marking other positions, then reversing the screw 85 to separate the fixture block 82 from the clamping groove 6, and finally taking down the device until marking is finished.

Those not described in detail in this specification are well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. A head gamma knife rest mounting and marking device comprises a base (1) and four vertical rods (2) uniformly arranged at the top of the base (1), wherein the cross sections of the vertical rods (2) are arranged in a rectangular shape, sliding blocks (3) are sleeved on the outer peripheral surfaces of the vertical rods (2) in a sliding mode, and the sliding blocks (3) are in interference fit with the corresponding vertical rods (2);

it is characterized by also comprising:

roof-rack (4), roof-rack (4) set up base (1) top, just roof-rack (4) top corresponds sliding hole (5) have been seted up to the position of montant (2), montant (2) slide and pass and correspond sliding hole (5), montant (2) are close to draw-in groove (6) have been seted up to one side at roof-rack (4) center, roof-rack (4) inside has been seted up and has been placed chamber (7), place and correspond four in chamber (7) the position of montant (2) all is provided with fixed subassembly (8), slider (3) one side is provided with mark subassembly (9).

2. The apparatus of claim 1, wherein the marking device comprises: the fixing assembly (8) comprises a fixing rod (81), the top end of the fixing rod (81) is hinged to the inner top wall of the placing cavity (7), a clamping block (82) is arranged on one side, close to the clamping groove (6), of the fixing rod (81), a first through hole (83) is formed in the position, corresponding to the clamping groove (6), of the inner wall of the placing cavity (7), the first through hole (83) is communicated with the corresponding sliding hole (5), the clamping block (82) partially penetrates through the corresponding first through hole (83) and is inserted into the corresponding clamping groove (6), a thread groove (84) is formed in the top of the top frame (4), a screw rod (85) is connected to the thread groove (84) in an internal thread mode, the top of the screw rod (85) extends to the upper portion of the top frame (4), a driven rod (86) is arranged at the bottom end of the screw rod (85), and a connecting assembly (87) is arranged between the driven rod (86) and the fixing rod (81).

3. A head gamma head holder mounting and marking device as claimed in claim 2, wherein: coupling assembling (87) include annular groove (871), annular groove (871) are seted up driven lever (86) outer peripheral face, thread groove (84) inner wall corresponds annular mouth (872) have been seted up to the position of annular groove (871), annular mouth (872) with it communicates with each other to place chamber (7), annular groove (871) internal rotation is connected with sliding block (873), sliding block (873) one side articulates there is connecting rod (874), connecting rod (874) are kept away from correspondingly the one end of sliding block (873) with correspond dead lever (81) are articulated mutually, correspond four in annular groove (871) the position of sliding block (873) all is provided with spacing subassembly (88).

4. The gamma head holder mounting and marking device of claim 3, wherein: spacing subassembly (88) include two stopper (881), two stopper (881) set up respectively and are corresponding sliding block (873) top and bottom, roof and interior diapire correspond in annular (871) the position of stopper (881) has all seted up spacing groove (882), stopper (881) insert and correspond in spacing groove (882).

5. The gamma head holder mounting and marking device of claim 1, wherein: the marking assembly (9) comprises a sliding rod (91), the sliding rod (91) penetrates through the corresponding sliding block (3) in a sliding mode, a pulling plate (92) is arranged at one end, far away from the base (1), of the sliding rod (91), a first spring (93) is arranged between the pulling plate (92) and the corresponding sliding block (3), the sliding rod (91) penetrates through the corresponding first spring (93), a placing groove (94) and an adjusting groove (95) are sequentially formed in one end, far away from the pulling plate (92), of the sliding rod (91), a marking portion (96) is arranged in the placing groove (94), a sleeve (97) is connected in the adjusting groove (95) in a sliding mode, a second through hole (98) is formed in the position, far away from the side corresponding to the sliding rod (91), of the sleeve (97), corresponding to the marking portion (96), a second spring (99) is jointly arranged in the placing groove (94) and the corresponding sleeve (97), and the marking portion (96) penetrates through the corresponding second spring (99).

6. The apparatus of claim 1, wherein the marking device comprises: an arc-shaped groove (10) is formed in the bottom of the top frame (4), and a soft cushion (11) is arranged in the arc-shaped groove (10).

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